зеркало из https://github.com/mozilla/gecko-dev.git
3457 строки
115 KiB
C++
3457 строки
115 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Logging.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/DebugOnly.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/MiscEvents.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/WindowsVersion.h"
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#include "nsAlgorithm.h"
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#ifdef MOZ_CRASHREPORTER
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#include "nsExceptionHandler.h"
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#endif
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#include "nsGkAtoms.h"
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#include "nsIDOMKeyEvent.h"
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#include "nsIIdleServiceInternal.h"
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#include "nsMemory.h"
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#include "nsPrintfCString.h"
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#include "nsQuickSort.h"
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#include "nsServiceManagerUtils.h"
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#include "nsToolkit.h"
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#include "nsUnicharUtils.h"
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#include "nsWindowDbg.h"
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#include "KeyboardLayout.h"
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#include "WidgetUtils.h"
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#include "WinUtils.h"
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#include "npapi.h"
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#include <windows.h>
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#include <winuser.h>
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#include <algorithm>
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#ifndef WINABLEAPI
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#include <winable.h>
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#endif
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// In WinUser.h, MAPVK_VK_TO_VSC_EX is defined only when WINVER >= 0x0600
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#ifndef MAPVK_VK_TO_VSC_EX
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#define MAPVK_VK_TO_VSC_EX (4)
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#endif
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namespace mozilla {
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namespace widget {
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static const char* kVirtualKeyName[] = {
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"NULL", "VK_LBUTTON", "VK_RBUTTON", "VK_CANCEL",
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"VK_MBUTTON", "VK_XBUTTON1", "VK_XBUTTON2", "0x07",
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"VK_BACK", "VK_TAB", "0x0A", "0x0B",
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"VK_CLEAR", "VK_RETURN", "0x0E", "0x0F",
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"VK_SHIFT", "VK_CONTROL", "VK_MENU", "VK_PAUSE",
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"VK_CAPITAL", "VK_KANA, VK_HANGUL", "0x16", "VK_JUNJA",
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"VK_FINAL", "VK_HANJA, VK_KANJI", "0x1A", "VK_ESCAPE",
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"VK_CONVERT", "VK_NONCONVERT", "VK_ACCEPT", "VK_MODECHANGE",
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"VK_SPACE", "VK_PRIOR", "VK_NEXT", "VK_END",
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"VK_HOME", "VK_LEFT", "VK_UP", "VK_RIGHT",
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"VK_DOWN", "VK_SELECT", "VK_PRINT", "VK_EXECUTE",
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"VK_SNAPSHOT", "VK_INSERT", "VK_DELETE", "VK_HELP",
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"VK_0", "VK_1", "VK_2", "VK_3",
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"VK_4", "VK_5", "VK_6", "VK_7",
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"VK_8", "VK_9", "0x3A", "0x3B",
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"0x3C", "0x3D", "0x3E", "0x3F",
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"0x40", "VK_A", "VK_B", "VK_C",
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"VK_D", "VK_E", "VK_F", "VK_G",
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"VK_H", "VK_I", "VK_J", "VK_K",
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"VK_L", "VK_M", "VK_N", "VK_O",
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"VK_P", "VK_Q", "VK_R", "VK_S",
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"VK_T", "VK_U", "VK_V", "VK_W",
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"VK_X", "VK_Y", "VK_Z", "VK_LWIN",
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"VK_RWIN", "VK_APPS", "0x5E", "VK_SLEEP",
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"VK_NUMPAD0", "VK_NUMPAD1", "VK_NUMPAD2", "VK_NUMPAD3",
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"VK_NUMPAD4", "VK_NUMPAD5", "VK_NUMPAD6", "VK_NUMPAD7",
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"VK_NUMPAD8", "VK_NUMPAD9", "VK_MULTIPLY", "VK_ADD",
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"VK_SEPARATOR", "VK_SUBTRACT", "VK_DECIMAL", "VK_DIVIDE",
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"VK_F1", "VK_F2", "VK_F3", "VK_F4",
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"VK_F5", "VK_F6", "VK_F7", "VK_F8",
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"VK_F9", "VK_F10", "VK_F11", "VK_F12",
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"VK_F13", "VK_F14", "VK_F15", "VK_F16",
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"VK_F17", "VK_F18", "VK_F19", "VK_F20",
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"VK_F21", "VK_F22", "VK_F23", "VK_F24",
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"0x88", "0x89", "0x8A", "0x8B",
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"0x8C", "0x8D", "0x8E", "0x8F",
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"VK_NUMLOCK", "VK_SCROLL", "VK_OEM_NEC_EQUAL, VK_OEM_FJ_JISHO",
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"VK_OEM_FJ_MASSHOU",
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"VK_OEM_FJ_TOUROKU", "VK_OEM_FJ_LOYA", "VK_OEM_FJ_ROYA", "0x97",
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"0x98", "0x99", "0x9A", "0x9B",
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"0x9C", "0x9D", "0x9E", "0x9F",
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"VK_LSHIFT", "VK_RSHIFT", "VK_LCONTROL", "VK_RCONTROL",
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"VK_LMENU", "VK_RMENU", "VK_BROWSER_BACK", "VK_BROWSER_FORWARD",
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"VK_BROWSER_REFRESH", "VK_BROWSER_STOP", "VK_BROWSER_SEARCH",
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"VK_BROWSER_FAVORITES",
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"VK_BROWSER_HOME", "VK_VOLUME_MUTE", "VK_VOLUME_DOWN", "VK_VOLUME_UP",
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"VK_MEDIA_NEXT_TRACK", "VK_MEDIA_PREV_TRACK", "VK_MEDIA_STOP",
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"VK_MEDIA_PLAY_PAUSE",
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"VK_LAUNCH_MAIL", "VK_LAUNCH_MEDIA_SELECT", "VK_LAUNCH_APP1",
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"VK_LAUNCH_APP2",
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"0xB8", "0xB9", "VK_OEM_1", "VK_OEM_PLUS",
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"VK_OEM_COMMA", "VK_OEM_MINUS", "VK_OEM_PERIOD", "VK_OEM_2",
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"VK_OEM_3", "VK_ABNT_C1", "VK_ABNT_C2", "0xC3",
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"0xC4", "0xC5", "0xC6", "0xC7",
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"0xC8", "0xC9", "0xCA", "0xCB",
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"0xCC", "0xCD", "0xCE", "0xCF",
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"0xD0", "0xD1", "0xD2", "0xD3",
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"0xD4", "0xD5", "0xD6", "0xD7",
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"0xD8", "0xD9", "0xDA", "VK_OEM_4",
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"VK_OEM_5", "VK_OEM_6", "VK_OEM_7", "VK_OEM_8",
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"0xE0", "VK_OEM_AX", "VK_OEM_102", "VK_ICO_HELP",
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"VK_ICO_00", "VK_PROCESSKEY", "VK_ICO_CLEAR", "VK_PACKET",
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"0xE8", "VK_OEM_RESET", "VK_OEM_JUMP", "VK_OEM_PA1",
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"VK_OEM_PA2", "VK_OEM_PA3", "VK_OEM_WSCTRL", "VK_OEM_CUSEL",
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"VK_OEM_ATTN", "VK_OEM_FINISH", "VK_OEM_COPY", "VK_OEM_AUTO",
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"VK_OEM_ENLW", "VK_OEM_BACKTAB", "VK_ATTN", "VK_CRSEL",
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"VK_EXSEL", "VK_EREOF", "VK_PLAY", "VK_ZOOM",
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"VK_NONAME", "VK_PA1", "VK_OEM_CLEAR", "0xFF"
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};
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static_assert(sizeof(kVirtualKeyName) / sizeof(const char*) == 0x100,
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"The virtual key name must be defined just 256 keys");
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// Unique id counter associated with a keydown / keypress events. Used in
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// identifing keypress events for removal from async event dispatch queue
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// in metrofx after preventDefault is called on keydown events.
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static uint32_t sUniqueKeyEventId = 0;
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struct DeadKeyEntry
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{
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char16_t BaseChar;
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char16_t CompositeChar;
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};
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class DeadKeyTable
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{
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friend class KeyboardLayout;
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uint16_t mEntries;
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// KeyboardLayout::AddDeadKeyTable() will allocate as many entries as
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// required. It is the only way to create new DeadKeyTable instances.
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DeadKeyEntry mTable[1];
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void Init(const DeadKeyEntry* aDeadKeyArray, uint32_t aEntries)
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{
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mEntries = aEntries;
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memcpy(mTable, aDeadKeyArray, aEntries * sizeof(DeadKeyEntry));
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}
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static uint32_t SizeInBytes(uint32_t aEntries)
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{
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return offsetof(DeadKeyTable, mTable) + aEntries * sizeof(DeadKeyEntry);
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}
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public:
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uint32_t Entries() const
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{
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return mEntries;
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}
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bool IsEqual(const DeadKeyEntry* aDeadKeyArray, uint32_t aEntries) const
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{
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return (mEntries == aEntries &&
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!memcmp(mTable, aDeadKeyArray,
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aEntries * sizeof(DeadKeyEntry)));
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}
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char16_t GetCompositeChar(char16_t aBaseChar) const;
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};
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/*****************************************************************************
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* mozilla::widget::ModifierKeyState
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*****************************************************************************/
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ModifierKeyState::ModifierKeyState()
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{
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Update();
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}
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ModifierKeyState::ModifierKeyState(bool aIsShiftDown,
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bool aIsControlDown,
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bool aIsAltDown)
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{
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Update();
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Unset(MODIFIER_SHIFT | MODIFIER_CONTROL | MODIFIER_ALT | MODIFIER_ALTGRAPH);
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Modifiers modifiers = 0;
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if (aIsShiftDown) {
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modifiers |= MODIFIER_SHIFT;
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}
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if (aIsControlDown) {
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modifiers |= MODIFIER_CONTROL;
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}
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if (aIsAltDown) {
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modifiers |= MODIFIER_ALT;
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}
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if (modifiers) {
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Set(modifiers);
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}
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}
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ModifierKeyState::ModifierKeyState(Modifiers aModifiers) :
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mModifiers(aModifiers)
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{
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EnsureAltGr();
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}
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void
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ModifierKeyState::Update()
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{
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mModifiers = 0;
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if (IS_VK_DOWN(VK_SHIFT)) {
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mModifiers |= MODIFIER_SHIFT;
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}
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if (IS_VK_DOWN(VK_CONTROL)) {
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mModifiers |= MODIFIER_CONTROL;
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}
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if (IS_VK_DOWN(VK_MENU)) {
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mModifiers |= MODIFIER_ALT;
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}
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if (IS_VK_DOWN(VK_LWIN) || IS_VK_DOWN(VK_RWIN)) {
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mModifiers |= MODIFIER_OS;
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}
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if (::GetKeyState(VK_CAPITAL) & 1) {
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mModifiers |= MODIFIER_CAPSLOCK;
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}
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if (::GetKeyState(VK_NUMLOCK) & 1) {
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mModifiers |= MODIFIER_NUMLOCK;
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}
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if (::GetKeyState(VK_SCROLL) & 1) {
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mModifiers |= MODIFIER_SCROLLLOCK;
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}
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EnsureAltGr();
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}
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void
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ModifierKeyState::Unset(Modifiers aRemovingModifiers)
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{
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mModifiers &= ~aRemovingModifiers;
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// Note that we don't need to unset AltGr flag here automatically.
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// For nsEditor, we need to remove Alt and Control flags but AltGr isn't
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// checked in nsEditor, so, it can be kept.
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}
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void
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ModifierKeyState::Set(Modifiers aAddingModifiers)
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{
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mModifiers |= aAddingModifiers;
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EnsureAltGr();
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}
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void
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ModifierKeyState::InitInputEvent(WidgetInputEvent& aInputEvent) const
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{
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aInputEvent.modifiers = mModifiers;
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switch(aInputEvent.mClass) {
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case eMouseEventClass:
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case eMouseScrollEventClass:
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case eWheelEventClass:
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case eDragEventClass:
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case eSimpleGestureEventClass:
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InitMouseEvent(aInputEvent);
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break;
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default:
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break;
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}
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}
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void
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ModifierKeyState::InitMouseEvent(WidgetInputEvent& aMouseEvent) const
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{
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NS_ASSERTION(aMouseEvent.mClass == eMouseEventClass ||
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aMouseEvent.mClass == eWheelEventClass ||
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aMouseEvent.mClass == eDragEventClass ||
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aMouseEvent.mClass == eSimpleGestureEventClass,
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"called with non-mouse event");
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WidgetMouseEventBase& mouseEvent = *aMouseEvent.AsMouseEventBase();
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mouseEvent.buttons = 0;
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if (::GetKeyState(VK_LBUTTON) < 0) {
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mouseEvent.buttons |= WidgetMouseEvent::eLeftButtonFlag;
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}
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if (::GetKeyState(VK_RBUTTON) < 0) {
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mouseEvent.buttons |= WidgetMouseEvent::eRightButtonFlag;
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}
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if (::GetKeyState(VK_MBUTTON) < 0) {
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mouseEvent.buttons |= WidgetMouseEvent::eMiddleButtonFlag;
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}
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if (::GetKeyState(VK_XBUTTON1) < 0) {
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mouseEvent.buttons |= WidgetMouseEvent::e4thButtonFlag;
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}
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if (::GetKeyState(VK_XBUTTON2) < 0) {
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mouseEvent.buttons |= WidgetMouseEvent::e5thButtonFlag;
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}
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}
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bool
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ModifierKeyState::IsShift() const
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{
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return (mModifiers & MODIFIER_SHIFT) != 0;
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}
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bool
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ModifierKeyState::IsControl() const
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{
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return (mModifiers & MODIFIER_CONTROL) != 0;
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}
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bool
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ModifierKeyState::IsAlt() const
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{
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return (mModifiers & MODIFIER_ALT) != 0;
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}
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bool
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ModifierKeyState::IsAltGr() const
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{
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return IsControl() && IsAlt();
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}
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bool
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ModifierKeyState::IsWin() const
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{
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return (mModifiers & MODIFIER_OS) != 0;
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}
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bool
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ModifierKeyState::IsCapsLocked() const
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{
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return (mModifiers & MODIFIER_CAPSLOCK) != 0;
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}
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bool
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ModifierKeyState::IsNumLocked() const
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{
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return (mModifiers & MODIFIER_NUMLOCK) != 0;
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}
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bool
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ModifierKeyState::IsScrollLocked() const
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{
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return (mModifiers & MODIFIER_SCROLLLOCK) != 0;
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}
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void
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ModifierKeyState::EnsureAltGr()
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{
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// If both Control key and Alt key are pressed, it means AltGr is pressed.
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// Ideally, we should check whether the current keyboard layout has AltGr
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// or not. However, setting AltGr flags for keyboard which doesn't have
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// AltGr must not be serious bug. So, it should be OK for now.
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if (IsAltGr()) {
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mModifiers |= MODIFIER_ALTGRAPH;
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}
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}
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/*****************************************************************************
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* mozilla::widget::UniCharsAndModifiers
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*****************************************************************************/
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void
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UniCharsAndModifiers::Append(char16_t aUniChar, Modifiers aModifiers)
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{
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MOZ_ASSERT(mLength < 5);
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mChars[mLength] = aUniChar;
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mModifiers[mLength] = aModifiers;
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mLength++;
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}
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void
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UniCharsAndModifiers::FillModifiers(Modifiers aModifiers)
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{
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for (uint32_t i = 0; i < mLength; i++) {
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mModifiers[i] = aModifiers;
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}
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}
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bool
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UniCharsAndModifiers::UniCharsEqual(const UniCharsAndModifiers& aOther) const
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{
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if (mLength != aOther.mLength) {
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return false;
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}
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return !memcmp(mChars, aOther.mChars, mLength * sizeof(char16_t));
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}
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bool
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UniCharsAndModifiers::UniCharsCaseInsensitiveEqual(
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const UniCharsAndModifiers& aOther) const
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{
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if (mLength != aOther.mLength) {
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return false;
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}
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nsCaseInsensitiveStringComparator comp;
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return !comp(mChars, aOther.mChars, mLength, aOther.mLength);
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}
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UniCharsAndModifiers&
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UniCharsAndModifiers::operator+=(const UniCharsAndModifiers& aOther)
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{
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uint32_t copyCount = std::min(aOther.mLength, 5 - mLength);
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NS_ENSURE_TRUE(copyCount > 0, *this);
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memcpy(&mChars[mLength], aOther.mChars, copyCount * sizeof(char16_t));
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memcpy(&mModifiers[mLength], aOther.mModifiers,
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copyCount * sizeof(Modifiers));
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mLength += copyCount;
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return *this;
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}
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UniCharsAndModifiers
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UniCharsAndModifiers::operator+(const UniCharsAndModifiers& aOther) const
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{
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UniCharsAndModifiers result(*this);
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result += aOther;
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return result;
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}
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/*****************************************************************************
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* mozilla::widget::VirtualKey
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*****************************************************************************/
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// static
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VirtualKey::ShiftState
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VirtualKey::ModifiersToShiftState(Modifiers aModifiers)
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{
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ShiftState state = 0;
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if (aModifiers & MODIFIER_SHIFT) {
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state |= STATE_SHIFT;
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}
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if (aModifiers & MODIFIER_CONTROL) {
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state |= STATE_CONTROL;
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}
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if (aModifiers & MODIFIER_ALT) {
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state |= STATE_ALT;
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}
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if (aModifiers & MODIFIER_CAPSLOCK) {
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state |= STATE_CAPSLOCK;
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}
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return state;
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}
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// static
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Modifiers
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VirtualKey::ShiftStateToModifiers(ShiftState aShiftState)
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{
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Modifiers modifiers = 0;
|
|
if (aShiftState & STATE_SHIFT) {
|
|
modifiers |= MODIFIER_SHIFT;
|
|
}
|
|
if (aShiftState & STATE_CONTROL) {
|
|
modifiers |= MODIFIER_CONTROL;
|
|
}
|
|
if (aShiftState & STATE_ALT) {
|
|
modifiers |= MODIFIER_ALT;
|
|
}
|
|
if (aShiftState & STATE_CAPSLOCK) {
|
|
modifiers |= MODIFIER_CAPSLOCK;
|
|
}
|
|
if ((modifiers & (MODIFIER_ALT | MODIFIER_CONTROL)) ==
|
|
(MODIFIER_ALT | MODIFIER_CONTROL)) {
|
|
modifiers |= MODIFIER_ALTGRAPH;
|
|
}
|
|
return modifiers;
|
|
}
|
|
|
|
inline char16_t
|
|
VirtualKey::GetCompositeChar(ShiftState aShiftState, char16_t aBaseChar) const
|
|
{
|
|
return mShiftStates[aShiftState].DeadKey.Table->GetCompositeChar(aBaseChar);
|
|
}
|
|
|
|
const DeadKeyTable*
|
|
VirtualKey::MatchingDeadKeyTable(const DeadKeyEntry* aDeadKeyArray,
|
|
uint32_t aEntries) const
|
|
{
|
|
if (!mIsDeadKey) {
|
|
return nullptr;
|
|
}
|
|
|
|
for (ShiftState shiftState = 0; shiftState < 16; shiftState++) {
|
|
if (!IsDeadKey(shiftState)) {
|
|
continue;
|
|
}
|
|
const DeadKeyTable* dkt = mShiftStates[shiftState].DeadKey.Table;
|
|
if (dkt && dkt->IsEqual(aDeadKeyArray, aEntries)) {
|
|
return dkt;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
void
|
|
VirtualKey::SetNormalChars(ShiftState aShiftState,
|
|
const char16_t* aChars,
|
|
uint32_t aNumOfChars)
|
|
{
|
|
NS_ASSERTION(aShiftState < ArrayLength(mShiftStates), "invalid index");
|
|
|
|
SetDeadKey(aShiftState, false);
|
|
|
|
for (uint32_t index = 0; index < aNumOfChars; index++) {
|
|
// Ignore legacy non-printable control characters
|
|
mShiftStates[aShiftState].Normal.Chars[index] =
|
|
(aChars[index] >= 0x20) ? aChars[index] : 0;
|
|
}
|
|
|
|
uint32_t len = ArrayLength(mShiftStates[aShiftState].Normal.Chars);
|
|
for (uint32_t index = aNumOfChars; index < len; index++) {
|
|
mShiftStates[aShiftState].Normal.Chars[index] = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
VirtualKey::SetDeadChar(ShiftState aShiftState, char16_t aDeadChar)
|
|
{
|
|
NS_ASSERTION(aShiftState < ArrayLength(mShiftStates), "invalid index");
|
|
|
|
SetDeadKey(aShiftState, true);
|
|
|
|
mShiftStates[aShiftState].DeadKey.DeadChar = aDeadChar;
|
|
mShiftStates[aShiftState].DeadKey.Table = nullptr;
|
|
}
|
|
|
|
UniCharsAndModifiers
|
|
VirtualKey::GetUniChars(ShiftState aShiftState) const
|
|
{
|
|
UniCharsAndModifiers result = GetNativeUniChars(aShiftState);
|
|
|
|
const ShiftState STATE_ALT_CONTROL = (STATE_ALT | STATE_CONTROL);
|
|
if (!(aShiftState & STATE_ALT_CONTROL)) {
|
|
return result;
|
|
}
|
|
|
|
if (!result.mLength) {
|
|
result = GetNativeUniChars(aShiftState & ~STATE_ALT_CONTROL);
|
|
result.FillModifiers(ShiftStateToModifiers(aShiftState));
|
|
return result;
|
|
}
|
|
|
|
if ((aShiftState & STATE_ALT_CONTROL) == STATE_ALT_CONTROL) {
|
|
// Even if the shifted chars and the unshifted chars are same, we
|
|
// should consume the Alt key state and the Ctrl key state when
|
|
// AltGr key is pressed. Because if we don't consume them, the input
|
|
// events are ignored on nsEditor. (I.e., Users cannot input the
|
|
// characters with this key combination.)
|
|
Modifiers finalModifiers = ShiftStateToModifiers(aShiftState);
|
|
finalModifiers &= ~(MODIFIER_ALT | MODIFIER_CONTROL);
|
|
result.FillModifiers(finalModifiers);
|
|
return result;
|
|
}
|
|
|
|
UniCharsAndModifiers unmodifiedReslt =
|
|
GetNativeUniChars(aShiftState & ~STATE_ALT_CONTROL);
|
|
if (!result.UniCharsEqual(unmodifiedReslt)) {
|
|
// Otherwise, we should consume the Alt key state and the Ctrl key state
|
|
// only when the shifted chars and unshifted chars are different.
|
|
Modifiers finalModifiers = ShiftStateToModifiers(aShiftState);
|
|
finalModifiers &= ~(MODIFIER_ALT | MODIFIER_CONTROL);
|
|
result.FillModifiers(finalModifiers);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
UniCharsAndModifiers
|
|
VirtualKey::GetNativeUniChars(ShiftState aShiftState) const
|
|
{
|
|
#ifdef DEBUG
|
|
if (aShiftState >= ArrayLength(mShiftStates)) {
|
|
nsPrintfCString warning("Shift state is out of range: "
|
|
"aShiftState=%d, ArrayLength(mShiftState)=%d",
|
|
aShiftState, ArrayLength(mShiftStates));
|
|
NS_WARNING(warning.get());
|
|
}
|
|
#endif
|
|
|
|
UniCharsAndModifiers result;
|
|
Modifiers modifiers = ShiftStateToModifiers(aShiftState);
|
|
if (IsDeadKey(aShiftState)) {
|
|
result.Append(mShiftStates[aShiftState].DeadKey.DeadChar, modifiers);
|
|
return result;
|
|
}
|
|
|
|
uint32_t index;
|
|
uint32_t len = ArrayLength(mShiftStates[aShiftState].Normal.Chars);
|
|
for (index = 0;
|
|
index < len && mShiftStates[aShiftState].Normal.Chars[index]; index++) {
|
|
result.Append(mShiftStates[aShiftState].Normal.Chars[index], modifiers);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// static
|
|
void
|
|
VirtualKey::FillKbdState(PBYTE aKbdState,
|
|
const ShiftState aShiftState)
|
|
{
|
|
NS_ASSERTION(aShiftState < 16, "aShiftState out of range");
|
|
|
|
if (aShiftState & STATE_SHIFT) {
|
|
aKbdState[VK_SHIFT] |= 0x80;
|
|
} else {
|
|
aKbdState[VK_SHIFT] &= ~0x80;
|
|
aKbdState[VK_LSHIFT] &= ~0x80;
|
|
aKbdState[VK_RSHIFT] &= ~0x80;
|
|
}
|
|
|
|
if (aShiftState & STATE_CONTROL) {
|
|
aKbdState[VK_CONTROL] |= 0x80;
|
|
} else {
|
|
aKbdState[VK_CONTROL] &= ~0x80;
|
|
aKbdState[VK_LCONTROL] &= ~0x80;
|
|
aKbdState[VK_RCONTROL] &= ~0x80;
|
|
}
|
|
|
|
if (aShiftState & STATE_ALT) {
|
|
aKbdState[VK_MENU] |= 0x80;
|
|
} else {
|
|
aKbdState[VK_MENU] &= ~0x80;
|
|
aKbdState[VK_LMENU] &= ~0x80;
|
|
aKbdState[VK_RMENU] &= ~0x80;
|
|
}
|
|
|
|
if (aShiftState & STATE_CAPSLOCK) {
|
|
aKbdState[VK_CAPITAL] |= 0x01;
|
|
} else {
|
|
aKbdState[VK_CAPITAL] &= ~0x01;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* mozilla::widget::NativeKey
|
|
*****************************************************************************/
|
|
|
|
uint8_t NativeKey::sDispatchedKeyOfAppCommand = 0;
|
|
|
|
NativeKey::NativeKey(nsWindowBase* aWidget,
|
|
const MSG& aMessage,
|
|
const ModifierKeyState& aModKeyState,
|
|
nsTArray<FakeCharMsg>* aFakeCharMsgs)
|
|
: mWidget(aWidget)
|
|
, mDispatcher(aWidget->GetTextEventDispatcher())
|
|
, mMsg(aMessage)
|
|
, mDOMKeyCode(0)
|
|
, mKeyNameIndex(KEY_NAME_INDEX_Unidentified)
|
|
, mCodeNameIndex(CODE_NAME_INDEX_UNKNOWN)
|
|
, mModKeyState(aModKeyState)
|
|
, mVirtualKeyCode(0)
|
|
, mOriginalVirtualKeyCode(0)
|
|
, mShiftedLatinChar(0)
|
|
, mUnshiftedLatinChar(0)
|
|
, mScanCode(0)
|
|
, mIsExtended(false)
|
|
, mIsDeadKey(false)
|
|
, mFakeCharMsgs(aFakeCharMsgs && aFakeCharMsgs->Length() ?
|
|
aFakeCharMsgs : nullptr)
|
|
{
|
|
MOZ_ASSERT(aWidget);
|
|
MOZ_ASSERT(mDispatcher);
|
|
KeyboardLayout* keyboardLayout = KeyboardLayout::GetInstance();
|
|
mKeyboardLayout = keyboardLayout->GetLayout();
|
|
|
|
if (mMsg.message == WM_APPCOMMAND) {
|
|
InitWithAppCommand();
|
|
return;
|
|
}
|
|
|
|
mScanCode = WinUtils::GetScanCode(mMsg.lParam);
|
|
mIsExtended = WinUtils::IsExtendedScanCode(mMsg.lParam);
|
|
switch (mMsg.message) {
|
|
case WM_KEYDOWN:
|
|
case WM_SYSKEYDOWN:
|
|
case WM_KEYUP:
|
|
case WM_SYSKEYUP: {
|
|
// If the key message is sent from other application like a11y tools, the
|
|
// scancode value might not be set proper value. Then, probably the value
|
|
// is 0.
|
|
// NOTE: If the virtual keycode can be caused by both non-extended key
|
|
// and extended key, the API returns the non-extended key's
|
|
// scancode. E.g., VK_LEFT causes "4" key on numpad.
|
|
if (!mScanCode) {
|
|
uint16_t scanCodeEx = ComputeScanCodeExFromVirtualKeyCode(mMsg.wParam);
|
|
if (scanCodeEx) {
|
|
mScanCode = static_cast<uint8_t>(scanCodeEx & 0xFF);
|
|
uint8_t extended = static_cast<uint8_t>((scanCodeEx & 0xFF00) >> 8);
|
|
mIsExtended = (extended == 0xE0) || (extended == 0xE1);
|
|
}
|
|
}
|
|
// First, resolve the IME converted virtual keycode to its original
|
|
// keycode.
|
|
if (mMsg.wParam == VK_PROCESSKEY) {
|
|
mOriginalVirtualKeyCode =
|
|
static_cast<uint8_t>(::ImmGetVirtualKey(mMsg.hwnd));
|
|
} else {
|
|
mOriginalVirtualKeyCode = static_cast<uint8_t>(mMsg.wParam);
|
|
}
|
|
|
|
// Most keys are not distinguished as left or right keys.
|
|
bool isLeftRightDistinguishedKey = false;
|
|
|
|
// mOriginalVirtualKeyCode must not distinguish left or right of
|
|
// Shift, Control or Alt.
|
|
switch (mOriginalVirtualKeyCode) {
|
|
case VK_SHIFT:
|
|
case VK_CONTROL:
|
|
case VK_MENU:
|
|
isLeftRightDistinguishedKey = true;
|
|
break;
|
|
case VK_LSHIFT:
|
|
case VK_RSHIFT:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode;
|
|
mOriginalVirtualKeyCode = VK_SHIFT;
|
|
isLeftRightDistinguishedKey = true;
|
|
break;
|
|
case VK_LCONTROL:
|
|
case VK_RCONTROL:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode;
|
|
mOriginalVirtualKeyCode = VK_CONTROL;
|
|
isLeftRightDistinguishedKey = true;
|
|
break;
|
|
case VK_LMENU:
|
|
case VK_RMENU:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode;
|
|
mOriginalVirtualKeyCode = VK_MENU;
|
|
isLeftRightDistinguishedKey = true;
|
|
break;
|
|
}
|
|
|
|
// If virtual keycode (left-right distinguished keycode) is already
|
|
// computed, we don't need to do anymore.
|
|
if (mVirtualKeyCode) {
|
|
break;
|
|
}
|
|
|
|
// If the keycode doesn't have LR distinguished keycode, we just set
|
|
// mOriginalVirtualKeyCode to mVirtualKeyCode. Note that don't compute
|
|
// it from MapVirtualKeyEx() because the scan code might be wrong if
|
|
// the message is sent/posted by other application. Then, we will compute
|
|
// unexpected keycode from the scan code.
|
|
if (!isLeftRightDistinguishedKey) {
|
|
break;
|
|
}
|
|
|
|
if (!CanComputeVirtualKeyCodeFromScanCode()) {
|
|
// The right control key and the right alt key are extended keys.
|
|
// Therefore, we never get VK_RCONTRL and VK_RMENU for the result of
|
|
// MapVirtualKeyEx() on WinXP or WinServer2003.
|
|
//
|
|
// If VK_CONTROL or VK_MENU key message is caused by an extended key,
|
|
// we should assume that the right key of them is pressed.
|
|
switch (mOriginalVirtualKeyCode) {
|
|
case VK_CONTROL:
|
|
mVirtualKeyCode = VK_RCONTROL;
|
|
break;
|
|
case VK_MENU:
|
|
mVirtualKeyCode = VK_RMENU;
|
|
break;
|
|
case VK_SHIFT:
|
|
// Neither left shift nor right shift is not an extended key,
|
|
// let's use VK_LSHIFT for invalid scan code.
|
|
mVirtualKeyCode = VK_LSHIFT;
|
|
break;
|
|
default:
|
|
MOZ_CRASH("Unsupported mOriginalVirtualKeyCode");
|
|
}
|
|
break;
|
|
}
|
|
|
|
NS_ASSERTION(!mVirtualKeyCode,
|
|
"mVirtualKeyCode has been computed already");
|
|
|
|
// Otherwise, compute the virtual keycode with MapVirtualKeyEx().
|
|
mVirtualKeyCode = ComputeVirtualKeyCodeFromScanCodeEx();
|
|
|
|
// Following code shouldn't be used now because we compute scancode value
|
|
// if we detect that the sender doesn't set proper scancode.
|
|
// However, the detection might fail. Therefore, let's keep using this.
|
|
switch (mOriginalVirtualKeyCode) {
|
|
case VK_CONTROL:
|
|
if (mVirtualKeyCode != VK_LCONTROL &&
|
|
mVirtualKeyCode != VK_RCONTROL) {
|
|
mVirtualKeyCode = mIsExtended ? VK_RCONTROL : VK_LCONTROL;
|
|
}
|
|
break;
|
|
case VK_MENU:
|
|
if (mVirtualKeyCode != VK_LMENU && mVirtualKeyCode != VK_RMENU) {
|
|
mVirtualKeyCode = mIsExtended ? VK_RMENU : VK_LMENU;
|
|
}
|
|
break;
|
|
case VK_SHIFT:
|
|
if (mVirtualKeyCode != VK_LSHIFT && mVirtualKeyCode != VK_RSHIFT) {
|
|
// Neither left shift nor right shift is not an extended key,
|
|
// let's use VK_LSHIFT for invalid scan code.
|
|
mVirtualKeyCode = VK_LSHIFT;
|
|
}
|
|
break;
|
|
default:
|
|
MOZ_CRASH("Unsupported mOriginalVirtualKeyCode");
|
|
}
|
|
break;
|
|
}
|
|
case WM_CHAR:
|
|
case WM_UNICHAR:
|
|
case WM_SYSCHAR:
|
|
// NOTE: If other applications like a11y tools sends WM_*CHAR without
|
|
// scancode, we cannot compute virtual keycode. I.e., with such
|
|
// applications, we cannot generate proper KeyboardEvent.code value.
|
|
|
|
// We cannot compute the virtual key code from WM_CHAR message on WinXP
|
|
// if it's caused by an extended key.
|
|
if (!CanComputeVirtualKeyCodeFromScanCode()) {
|
|
break;
|
|
}
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode =
|
|
ComputeVirtualKeyCodeFromScanCodeEx();
|
|
NS_ASSERTION(mVirtualKeyCode, "Failed to compute virtual keycode");
|
|
break;
|
|
default:
|
|
MOZ_CRASH("Unsupported message");
|
|
}
|
|
|
|
if (!mVirtualKeyCode) {
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode;
|
|
}
|
|
|
|
mDOMKeyCode =
|
|
keyboardLayout->ConvertNativeKeyCodeToDOMKeyCode(mOriginalVirtualKeyCode);
|
|
mKeyNameIndex =
|
|
keyboardLayout->ConvertNativeKeyCodeToKeyNameIndex(mOriginalVirtualKeyCode);
|
|
mCodeNameIndex =
|
|
KeyboardLayout::ConvertScanCodeToCodeNameIndex(
|
|
GetScanCodeWithExtendedFlag());
|
|
|
|
keyboardLayout->InitNativeKey(*this, mModKeyState);
|
|
|
|
mIsDeadKey =
|
|
(IsFollowedByDeadCharMessage() ||
|
|
keyboardLayout->IsDeadKey(mOriginalVirtualKeyCode, mModKeyState));
|
|
mIsPrintableKey = KeyboardLayout::IsPrintableCharKey(mOriginalVirtualKeyCode);
|
|
|
|
// Compute some strings which may be inputted by the key with various
|
|
// modifier state if this key event won't cause text input actually.
|
|
// They will be used for setting alternativeCharCodes in the callback
|
|
// method which will be called by TextEventDispatcher.
|
|
if (IsKeyDownMessage() && NeedsToHandleWithoutFollowingCharMessages()) {
|
|
ComputeInputtingStringWithKeyboardLayout();
|
|
}
|
|
}
|
|
|
|
void
|
|
NativeKey::InitWithAppCommand()
|
|
{
|
|
if (GET_DEVICE_LPARAM(mMsg.lParam) != FAPPCOMMAND_KEY) {
|
|
return;
|
|
}
|
|
|
|
uint32_t appCommand = GET_APPCOMMAND_LPARAM(mMsg.lParam);
|
|
switch (GET_APPCOMMAND_LPARAM(mMsg.lParam)) {
|
|
|
|
#undef NS_APPCOMMAND_TO_DOM_KEY_NAME_INDEX
|
|
#define NS_APPCOMMAND_TO_DOM_KEY_NAME_INDEX(aAppCommand, aKeyNameIndex) \
|
|
case aAppCommand: \
|
|
mKeyNameIndex = aKeyNameIndex; \
|
|
break;
|
|
|
|
#include "NativeKeyToDOMKeyName.h"
|
|
|
|
#undef NS_APPCOMMAND_TO_DOM_KEY_NAME_INDEX
|
|
|
|
default:
|
|
mKeyNameIndex = KEY_NAME_INDEX_Unidentified;
|
|
}
|
|
|
|
// Guess the virtual keycode which caused this message.
|
|
switch (appCommand) {
|
|
case APPCOMMAND_BROWSER_BACKWARD:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_BACK;
|
|
break;
|
|
case APPCOMMAND_BROWSER_FORWARD:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_FORWARD;
|
|
break;
|
|
case APPCOMMAND_BROWSER_REFRESH:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_REFRESH;
|
|
break;
|
|
case APPCOMMAND_BROWSER_STOP:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_STOP;
|
|
break;
|
|
case APPCOMMAND_BROWSER_SEARCH:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_SEARCH;
|
|
break;
|
|
case APPCOMMAND_BROWSER_FAVORITES:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_FAVORITES;
|
|
break;
|
|
case APPCOMMAND_BROWSER_HOME:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_BROWSER_HOME;
|
|
break;
|
|
case APPCOMMAND_VOLUME_MUTE:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_VOLUME_MUTE;
|
|
break;
|
|
case APPCOMMAND_VOLUME_DOWN:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_VOLUME_DOWN;
|
|
break;
|
|
case APPCOMMAND_VOLUME_UP:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_VOLUME_UP;
|
|
break;
|
|
case APPCOMMAND_MEDIA_NEXTTRACK:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_MEDIA_NEXT_TRACK;
|
|
break;
|
|
case APPCOMMAND_MEDIA_PREVIOUSTRACK:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_MEDIA_PREV_TRACK;
|
|
break;
|
|
case APPCOMMAND_MEDIA_STOP:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_MEDIA_STOP;
|
|
break;
|
|
case APPCOMMAND_MEDIA_PLAY_PAUSE:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_MEDIA_PLAY_PAUSE;
|
|
break;
|
|
case APPCOMMAND_LAUNCH_MAIL:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_LAUNCH_MAIL;
|
|
break;
|
|
case APPCOMMAND_LAUNCH_MEDIA_SELECT:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_LAUNCH_MEDIA_SELECT;
|
|
break;
|
|
case APPCOMMAND_LAUNCH_APP1:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_LAUNCH_APP1;
|
|
break;
|
|
case APPCOMMAND_LAUNCH_APP2:
|
|
mVirtualKeyCode = mOriginalVirtualKeyCode = VK_LAUNCH_APP2;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
uint16_t scanCodeEx = ComputeScanCodeExFromVirtualKeyCode(mVirtualKeyCode);
|
|
mScanCode = static_cast<uint8_t>(scanCodeEx & 0xFF);
|
|
uint8_t extended = static_cast<uint8_t>((scanCodeEx & 0xFF00) >> 8);
|
|
mIsExtended = (extended == 0xE0) || (extended == 0xE1);
|
|
mDOMKeyCode =
|
|
KeyboardLayout::GetInstance()->
|
|
ConvertNativeKeyCodeToDOMKeyCode(mOriginalVirtualKeyCode);
|
|
mCodeNameIndex =
|
|
KeyboardLayout::ConvertScanCodeToCodeNameIndex(
|
|
GetScanCodeWithExtendedFlag());
|
|
}
|
|
|
|
bool
|
|
NativeKey::IsFollowedByDeadCharMessage() const
|
|
{
|
|
MSG nextMsg;
|
|
if (mFakeCharMsgs) {
|
|
nextMsg = mFakeCharMsgs->ElementAt(0).GetCharMsg(mMsg.hwnd);
|
|
} else {
|
|
if (!WinUtils::PeekMessage(&nextMsg, mMsg.hwnd, WM_KEYFIRST, WM_KEYLAST,
|
|
PM_NOREMOVE | PM_NOYIELD)) {
|
|
return false;
|
|
}
|
|
}
|
|
return IsDeadCharMessage(nextMsg);
|
|
}
|
|
|
|
bool
|
|
NativeKey::IsIMEDoingKakuteiUndo() const
|
|
{
|
|
// Following message pattern is caused by "Kakutei-Undo" of ATOK or WXG:
|
|
// ---------------------------------------------------------------------------
|
|
// WM_KEYDOWN * n (wParam = VK_BACK, lParam = 0x1)
|
|
// WM_KEYUP * 1 (wParam = VK_BACK, lParam = 0xC0000001) # ATOK
|
|
// WM_IME_STARTCOMPOSITION * 1 (wParam = 0x0, lParam = 0x0)
|
|
// WM_IME_COMPOSITION * 1 (wParam = 0x0, lParam = 0x1BF)
|
|
// WM_CHAR * n (wParam = VK_BACK, lParam = 0x1)
|
|
// WM_KEYUP * 1 (wParam = VK_BACK, lParam = 0xC00E0001)
|
|
// ---------------------------------------------------------------------------
|
|
// This doesn't match usual key message pattern such as:
|
|
// WM_KEYDOWN -> WM_CHAR -> WM_KEYDOWN -> WM_CHAR -> ... -> WM_KEYUP
|
|
// See following bugs for the detail.
|
|
// https://bugzilla.mozilla.gr.jp/show_bug.cgi?id=2885 (written in Japanese)
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=194559 (written in English)
|
|
MSG startCompositionMsg, compositionMsg, charMsg;
|
|
return WinUtils::PeekMessage(&startCompositionMsg, mMsg.hwnd,
|
|
WM_IME_STARTCOMPOSITION, WM_IME_STARTCOMPOSITION,
|
|
PM_NOREMOVE | PM_NOYIELD) &&
|
|
WinUtils::PeekMessage(&compositionMsg, mMsg.hwnd, WM_IME_COMPOSITION,
|
|
WM_IME_COMPOSITION, PM_NOREMOVE | PM_NOYIELD) &&
|
|
WinUtils::PeekMessage(&charMsg, mMsg.hwnd, WM_CHAR, WM_CHAR,
|
|
PM_NOREMOVE | PM_NOYIELD) &&
|
|
startCompositionMsg.wParam == 0x0 &&
|
|
startCompositionMsg.lParam == 0x0 &&
|
|
compositionMsg.wParam == 0x0 &&
|
|
compositionMsg.lParam == 0x1BF &&
|
|
charMsg.wParam == VK_BACK && charMsg.lParam == 0x1 &&
|
|
startCompositionMsg.time <= compositionMsg.time &&
|
|
compositionMsg.time <= charMsg.time;
|
|
}
|
|
|
|
UINT
|
|
NativeKey::GetScanCodeWithExtendedFlag() const
|
|
{
|
|
// MapVirtualKeyEx() has been improved for supporting extended keys since
|
|
// Vista. When we call it for mapping a scancode of an extended key and
|
|
// a virtual keycode, we need to add 0xE000 to the scancode.
|
|
// On Win XP and Win Server 2003, this doesn't support. On them, we have
|
|
// no way to get virtual keycodes from scancode of extended keys.
|
|
if (!mIsExtended || !IsVistaOrLater()) {
|
|
return mScanCode;
|
|
}
|
|
return (0xE000 | mScanCode);
|
|
}
|
|
|
|
uint32_t
|
|
NativeKey::GetKeyLocation() const
|
|
{
|
|
switch (mVirtualKeyCode) {
|
|
case VK_LSHIFT:
|
|
case VK_LCONTROL:
|
|
case VK_LMENU:
|
|
case VK_LWIN:
|
|
return nsIDOMKeyEvent::DOM_KEY_LOCATION_LEFT;
|
|
|
|
case VK_RSHIFT:
|
|
case VK_RCONTROL:
|
|
case VK_RMENU:
|
|
case VK_RWIN:
|
|
return nsIDOMKeyEvent::DOM_KEY_LOCATION_RIGHT;
|
|
|
|
case VK_RETURN:
|
|
// XXX This code assumes that all keyboard drivers use same mapping.
|
|
return !mIsExtended ? nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD :
|
|
nsIDOMKeyEvent::DOM_KEY_LOCATION_NUMPAD;
|
|
|
|
case VK_INSERT:
|
|
case VK_DELETE:
|
|
case VK_END:
|
|
case VK_DOWN:
|
|
case VK_NEXT:
|
|
case VK_LEFT:
|
|
case VK_CLEAR:
|
|
case VK_RIGHT:
|
|
case VK_HOME:
|
|
case VK_UP:
|
|
case VK_PRIOR:
|
|
// XXX This code assumes that all keyboard drivers use same mapping.
|
|
return mIsExtended ? nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD :
|
|
nsIDOMKeyEvent::DOM_KEY_LOCATION_NUMPAD;
|
|
|
|
// NumLock key isn't included due to IE9's behavior.
|
|
case VK_NUMPAD0:
|
|
case VK_NUMPAD1:
|
|
case VK_NUMPAD2:
|
|
case VK_NUMPAD3:
|
|
case VK_NUMPAD4:
|
|
case VK_NUMPAD5:
|
|
case VK_NUMPAD6:
|
|
case VK_NUMPAD7:
|
|
case VK_NUMPAD8:
|
|
case VK_NUMPAD9:
|
|
case VK_DECIMAL:
|
|
case VK_DIVIDE:
|
|
case VK_MULTIPLY:
|
|
case VK_SUBTRACT:
|
|
case VK_ADD:
|
|
// Separator key of Brazilian keyboard or JIS keyboard for Mac
|
|
case VK_ABNT_C2:
|
|
return nsIDOMKeyEvent::DOM_KEY_LOCATION_NUMPAD;
|
|
|
|
case VK_SHIFT:
|
|
case VK_CONTROL:
|
|
case VK_MENU:
|
|
NS_WARNING("Failed to decide the key location?");
|
|
|
|
default:
|
|
return nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD;
|
|
}
|
|
}
|
|
|
|
bool
|
|
NativeKey::CanComputeVirtualKeyCodeFromScanCode() const
|
|
{
|
|
// Vista or later supports ScanCodeEx.
|
|
if (IsVistaOrLater()) {
|
|
return true;
|
|
}
|
|
// Otherwise, MapVirtualKeyEx() can compute virtual keycode only with
|
|
// non-extended key.
|
|
return !mIsExtended;
|
|
}
|
|
|
|
uint8_t
|
|
NativeKey::ComputeVirtualKeyCodeFromScanCode() const
|
|
{
|
|
return static_cast<uint8_t>(
|
|
::MapVirtualKeyEx(mScanCode, MAPVK_VSC_TO_VK, mKeyboardLayout));
|
|
}
|
|
|
|
uint8_t
|
|
NativeKey::ComputeVirtualKeyCodeFromScanCodeEx() const
|
|
{
|
|
if (NS_WARN_IF(!CanComputeVirtualKeyCodeFromScanCode())) {
|
|
return 0;
|
|
}
|
|
return static_cast<uint8_t>(
|
|
::MapVirtualKeyEx(GetScanCodeWithExtendedFlag(), MAPVK_VSC_TO_VK_EX,
|
|
mKeyboardLayout));
|
|
}
|
|
|
|
uint16_t
|
|
NativeKey::ComputeScanCodeExFromVirtualKeyCode(UINT aVirtualKeyCode) const
|
|
{
|
|
return static_cast<uint16_t>(
|
|
::MapVirtualKeyEx(aVirtualKeyCode,
|
|
IsVistaOrLater() ? MAPVK_VK_TO_VSC_EX :
|
|
MAPVK_VK_TO_VSC,
|
|
mKeyboardLayout));
|
|
}
|
|
|
|
char16_t
|
|
NativeKey::ComputeUnicharFromScanCode() const
|
|
{
|
|
return static_cast<char16_t>(
|
|
::MapVirtualKeyEx(ComputeVirtualKeyCodeFromScanCode(),
|
|
MAPVK_VK_TO_CHAR, mKeyboardLayout));
|
|
}
|
|
|
|
nsEventStatus
|
|
NativeKey::InitKeyEvent(WidgetKeyboardEvent& aKeyEvent,
|
|
const MSG* aMsgSentToPlugin) const
|
|
{
|
|
return InitKeyEvent(aKeyEvent, mModKeyState, aMsgSentToPlugin);
|
|
}
|
|
|
|
nsEventStatus
|
|
NativeKey::InitKeyEvent(WidgetKeyboardEvent& aKeyEvent,
|
|
const ModifierKeyState& aModKeyState,
|
|
const MSG* aMsgSentToPlugin) const
|
|
{
|
|
if (mWidget->Destroyed()) {
|
|
MOZ_CRASH("NativeKey tries to dispatch a key event on destroyed widget");
|
|
}
|
|
|
|
LayoutDeviceIntPoint point(0, 0);
|
|
mWidget->InitEvent(aKeyEvent, &point);
|
|
|
|
switch (aKeyEvent.mMessage) {
|
|
case eKeyDown:
|
|
aKeyEvent.keyCode = mDOMKeyCode;
|
|
// Unique id for this keydown event and its associated keypress.
|
|
sUniqueKeyEventId++;
|
|
aKeyEvent.mUniqueId = sUniqueKeyEventId;
|
|
break;
|
|
case eKeyUp:
|
|
aKeyEvent.keyCode = mDOMKeyCode;
|
|
// Set defaultPrevented of the key event if the VK_MENU is not a system
|
|
// key release, so that the menu bar does not trigger. This helps avoid
|
|
// triggering the menu bar for ALT key accelerators used in assistive
|
|
// technologies such as Window-Eyes and ZoomText or for switching open
|
|
// state of IME.
|
|
aKeyEvent.mFlags.mDefaultPrevented =
|
|
(mOriginalVirtualKeyCode == VK_MENU && mMsg.message != WM_SYSKEYUP);
|
|
break;
|
|
case eKeyPress:
|
|
aKeyEvent.mUniqueId = sUniqueKeyEventId;
|
|
break;
|
|
default:
|
|
MOZ_CRASH("Invalid event message");
|
|
}
|
|
|
|
aKeyEvent.mIsRepeat = IsRepeat();
|
|
aKeyEvent.mKeyNameIndex = mKeyNameIndex;
|
|
if (mKeyNameIndex == KEY_NAME_INDEX_USE_STRING) {
|
|
aKeyEvent.mKeyValue = mCommittedCharsAndModifiers.ToString();
|
|
}
|
|
aKeyEvent.mCodeNameIndex = mCodeNameIndex;
|
|
MOZ_ASSERT(mCodeNameIndex != CODE_NAME_INDEX_USE_STRING);
|
|
aKeyEvent.location = GetKeyLocation();
|
|
aModKeyState.InitInputEvent(aKeyEvent);
|
|
|
|
NPEvent pluginEvent;
|
|
if (aMsgSentToPlugin &&
|
|
mWidget->GetInputContext().mIMEState.mEnabled == IMEState::PLUGIN) {
|
|
pluginEvent.event = aMsgSentToPlugin->message;
|
|
pluginEvent.wParam = aMsgSentToPlugin->wParam;
|
|
pluginEvent.lParam = aMsgSentToPlugin->lParam;
|
|
aKeyEvent.mPluginEvent.Copy(pluginEvent);
|
|
}
|
|
|
|
KeyboardLayout::NotifyIdleServiceOfUserActivity();
|
|
|
|
return aKeyEvent.mFlags.mDefaultPrevented ? nsEventStatus_eConsumeNoDefault :
|
|
nsEventStatus_eIgnore;
|
|
}
|
|
|
|
bool
|
|
NativeKey::DispatchCommandEvent(uint32_t aEventCommand) const
|
|
{
|
|
nsCOMPtr<nsIAtom> command;
|
|
switch (aEventCommand) {
|
|
case APPCOMMAND_BROWSER_BACKWARD:
|
|
command = nsGkAtoms::Back;
|
|
break;
|
|
case APPCOMMAND_BROWSER_FORWARD:
|
|
command = nsGkAtoms::Forward;
|
|
break;
|
|
case APPCOMMAND_BROWSER_REFRESH:
|
|
command = nsGkAtoms::Reload;
|
|
break;
|
|
case APPCOMMAND_BROWSER_STOP:
|
|
command = nsGkAtoms::Stop;
|
|
break;
|
|
case APPCOMMAND_BROWSER_SEARCH:
|
|
command = nsGkAtoms::Search;
|
|
break;
|
|
case APPCOMMAND_BROWSER_FAVORITES:
|
|
command = nsGkAtoms::Bookmarks;
|
|
break;
|
|
case APPCOMMAND_BROWSER_HOME:
|
|
command = nsGkAtoms::Home;
|
|
break;
|
|
case APPCOMMAND_CLOSE:
|
|
command = nsGkAtoms::Close;
|
|
break;
|
|
case APPCOMMAND_FIND:
|
|
command = nsGkAtoms::Find;
|
|
break;
|
|
case APPCOMMAND_HELP:
|
|
command = nsGkAtoms::Help;
|
|
break;
|
|
case APPCOMMAND_NEW:
|
|
command = nsGkAtoms::New;
|
|
break;
|
|
case APPCOMMAND_OPEN:
|
|
command = nsGkAtoms::Open;
|
|
break;
|
|
case APPCOMMAND_PRINT:
|
|
command = nsGkAtoms::Print;
|
|
break;
|
|
case APPCOMMAND_SAVE:
|
|
command = nsGkAtoms::Save;
|
|
break;
|
|
case APPCOMMAND_FORWARD_MAIL:
|
|
command = nsGkAtoms::ForwardMail;
|
|
break;
|
|
case APPCOMMAND_REPLY_TO_MAIL:
|
|
command = nsGkAtoms::ReplyToMail;
|
|
break;
|
|
case APPCOMMAND_SEND_MAIL:
|
|
command = nsGkAtoms::SendMail;
|
|
break;
|
|
case APPCOMMAND_MEDIA_NEXTTRACK:
|
|
command = nsGkAtoms::NextTrack;
|
|
break;
|
|
case APPCOMMAND_MEDIA_PREVIOUSTRACK:
|
|
command = nsGkAtoms::PreviousTrack;
|
|
break;
|
|
case APPCOMMAND_MEDIA_STOP:
|
|
command = nsGkAtoms::MediaStop;
|
|
break;
|
|
case APPCOMMAND_MEDIA_PLAY_PAUSE:
|
|
command = nsGkAtoms::PlayPause;
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
WidgetCommandEvent commandEvent(true, nsGkAtoms::onAppCommand,
|
|
command, mWidget);
|
|
|
|
mWidget->InitEvent(commandEvent);
|
|
return (mWidget->DispatchWindowEvent(&commandEvent) || mWidget->Destroyed());
|
|
}
|
|
|
|
bool
|
|
NativeKey::HandleAppCommandMessage() const
|
|
{
|
|
// NOTE: Typical behavior of WM_APPCOMMAND caused by key is, WM_APPCOMMAND
|
|
// message is _sent_ first. Then, the DefaultWndProc will _post_
|
|
// WM_KEYDOWN message and WM_KEYUP message if the keycode for the
|
|
// command is available (i.e., mVirtualKeyCode is not 0).
|
|
|
|
// NOTE: IntelliType (Microsoft's keyboard utility software) always consumes
|
|
// WM_KEYDOWN and WM_KEYUP.
|
|
|
|
// Let's dispatch keydown message before our chrome handles the command
|
|
// when the message is caused by a keypress. This behavior makes handling
|
|
// WM_APPCOMMAND be a default action of the keydown event. This means that
|
|
// web applications can handle multimedia keys and prevent our default action.
|
|
// This allow web applications to provide better UX for multimedia keyboard
|
|
// users.
|
|
bool dispatchKeyEvent = (GET_DEVICE_LPARAM(mMsg.lParam) == FAPPCOMMAND_KEY);
|
|
if (dispatchKeyEvent) {
|
|
// If a plug-in window has focus but it didn't consume the message, our
|
|
// window receive WM_APPCOMMAND message. In this case, we shouldn't
|
|
// dispatch KeyboardEvents because an event handler may access the
|
|
// plug-in process synchronously.
|
|
dispatchKeyEvent =
|
|
WinUtils::IsOurProcessWindow(reinterpret_cast<HWND>(mMsg.wParam));
|
|
}
|
|
|
|
bool consumed = false;
|
|
|
|
if (dispatchKeyEvent) {
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
WidgetKeyboardEvent keydownEvent(true, eKeyDown, mWidget);
|
|
nsEventStatus status = InitKeyEvent(keydownEvent, mModKeyState, &mMsg);
|
|
// NOTE: If the keydown event is consumed by web contents, we shouldn't
|
|
// continue to handle the command.
|
|
if (!mDispatcher->DispatchKeyboardEvent(eKeyDown, keydownEvent, status,
|
|
const_cast<NativeKey*>(this))) {
|
|
// If keyboard event wasn't fired, there must be composition.
|
|
// So, we don't need to dispatch a command event.
|
|
return true;
|
|
}
|
|
consumed = status == nsEventStatus_eConsumeNoDefault;
|
|
sDispatchedKeyOfAppCommand = mVirtualKeyCode;
|
|
if (mWidget->Destroyed()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Dispatch a command event or a content command event if the command is
|
|
// supported.
|
|
if (!consumed) {
|
|
uint32_t appCommand = GET_APPCOMMAND_LPARAM(mMsg.lParam);
|
|
EventMessage contentCommandMessage = eVoidEvent;
|
|
switch (appCommand) {
|
|
case APPCOMMAND_BROWSER_BACKWARD:
|
|
case APPCOMMAND_BROWSER_FORWARD:
|
|
case APPCOMMAND_BROWSER_REFRESH:
|
|
case APPCOMMAND_BROWSER_STOP:
|
|
case APPCOMMAND_BROWSER_SEARCH:
|
|
case APPCOMMAND_BROWSER_FAVORITES:
|
|
case APPCOMMAND_BROWSER_HOME:
|
|
case APPCOMMAND_CLOSE:
|
|
case APPCOMMAND_FIND:
|
|
case APPCOMMAND_HELP:
|
|
case APPCOMMAND_NEW:
|
|
case APPCOMMAND_OPEN:
|
|
case APPCOMMAND_PRINT:
|
|
case APPCOMMAND_SAVE:
|
|
case APPCOMMAND_FORWARD_MAIL:
|
|
case APPCOMMAND_REPLY_TO_MAIL:
|
|
case APPCOMMAND_SEND_MAIL:
|
|
case APPCOMMAND_MEDIA_NEXTTRACK:
|
|
case APPCOMMAND_MEDIA_PREVIOUSTRACK:
|
|
case APPCOMMAND_MEDIA_STOP:
|
|
case APPCOMMAND_MEDIA_PLAY_PAUSE:
|
|
// We shouldn't consume the message always because if we don't handle
|
|
// the message, the sender (typically, utility of keyboard or mouse)
|
|
// may send other key messages which indicate well known shortcut key.
|
|
consumed = DispatchCommandEvent(appCommand);
|
|
break;
|
|
|
|
// Use content command for following commands:
|
|
case APPCOMMAND_COPY:
|
|
contentCommandMessage = eContentCommandCopy;
|
|
break;
|
|
case APPCOMMAND_CUT:
|
|
contentCommandMessage = eContentCommandCut;
|
|
break;
|
|
case APPCOMMAND_PASTE:
|
|
contentCommandMessage = eContentCommandPaste;
|
|
break;
|
|
case APPCOMMAND_REDO:
|
|
contentCommandMessage = eContentCommandRedo;
|
|
break;
|
|
case APPCOMMAND_UNDO:
|
|
contentCommandMessage = eContentCommandUndo;
|
|
break;
|
|
}
|
|
|
|
if (contentCommandMessage) {
|
|
WidgetContentCommandEvent contentCommandEvent(true, contentCommandMessage,
|
|
mWidget);
|
|
mWidget->DispatchWindowEvent(&contentCommandEvent);
|
|
consumed = true;
|
|
}
|
|
|
|
if (mWidget->Destroyed()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Dispatch a keyup event if the command is caused by pressing a key and
|
|
// the key isn't mapped to a virtual keycode.
|
|
if (dispatchKeyEvent && !mVirtualKeyCode) {
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
WidgetKeyboardEvent keyupEvent(true, eKeyUp, mWidget);
|
|
nsEventStatus status = InitKeyEvent(keyupEvent, mModKeyState, &mMsg);
|
|
// NOTE: Ignore if the keyup event is consumed because keyup event
|
|
// represents just a physical key event state change.
|
|
mDispatcher->DispatchKeyboardEvent(eKeyUp, keyupEvent, status,
|
|
const_cast<NativeKey*>(this));
|
|
if (mWidget->Destroyed()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return consumed;
|
|
}
|
|
|
|
bool
|
|
NativeKey::HandleKeyDownMessage(bool* aEventDispatched) const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage());
|
|
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = false;
|
|
}
|
|
|
|
if (sDispatchedKeyOfAppCommand &&
|
|
sDispatchedKeyOfAppCommand == mOriginalVirtualKeyCode) {
|
|
// The multimedia key event has already been dispatch from
|
|
// HandleAppCommandMessage().
|
|
sDispatchedKeyOfAppCommand = 0;
|
|
return true;
|
|
}
|
|
|
|
bool defaultPrevented = false;
|
|
if (mFakeCharMsgs ||
|
|
!RedirectedKeyDownMessageManager::IsRedirectedMessage(mMsg)) {
|
|
// Ignore [shift+]alt+space so the OS can handle it.
|
|
if (mModKeyState.IsAlt() && !mModKeyState.IsControl() &&
|
|
mVirtualKeyCode == VK_SPACE) {
|
|
return false;
|
|
}
|
|
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
|
|
bool isIMEEnabled = WinUtils::IsIMEEnabled(mWidget->GetInputContext());
|
|
WidgetKeyboardEvent keydownEvent(true, eKeyDown, mWidget);
|
|
nsEventStatus status = InitKeyEvent(keydownEvent, mModKeyState, &mMsg);
|
|
bool dispatched =
|
|
mDispatcher->DispatchKeyboardEvent(eKeyDown, keydownEvent, status,
|
|
const_cast<NativeKey*>(this));
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = dispatched;
|
|
}
|
|
if (!dispatched) {
|
|
// If the keydown event wasn't fired, there must be composition.
|
|
// we don't need to do anything anymore.
|
|
return false;
|
|
}
|
|
defaultPrevented = status == nsEventStatus_eConsumeNoDefault;
|
|
|
|
if (mWidget->Destroyed()) {
|
|
return true;
|
|
}
|
|
|
|
// If IMC wasn't associated to the window but is associated it now (i.e.,
|
|
// focus is moved from a non-editable editor to an editor by keydown
|
|
// event handler), WM_CHAR and WM_SYSCHAR shouldn't cause first character
|
|
// inputting if IME is opened. But then, we should redirect the native
|
|
// keydown message to IME.
|
|
// However, note that if focus has been already moved to another
|
|
// application, we shouldn't redirect the message to it because the keydown
|
|
// message is processed by us, so, nobody shouldn't process it.
|
|
HWND focusedWnd = ::GetFocus();
|
|
if (!defaultPrevented && !mFakeCharMsgs && focusedWnd &&
|
|
!mWidget->PluginHasFocus() && !isIMEEnabled &&
|
|
WinUtils::IsIMEEnabled(mWidget->GetInputContext())) {
|
|
RedirectedKeyDownMessageManager::RemoveNextCharMessage(focusedWnd);
|
|
|
|
INPUT keyinput;
|
|
keyinput.type = INPUT_KEYBOARD;
|
|
keyinput.ki.wVk = mOriginalVirtualKeyCode;
|
|
keyinput.ki.wScan = mScanCode;
|
|
keyinput.ki.dwFlags = KEYEVENTF_SCANCODE;
|
|
if (mIsExtended) {
|
|
keyinput.ki.dwFlags |= KEYEVENTF_EXTENDEDKEY;
|
|
}
|
|
keyinput.ki.time = 0;
|
|
keyinput.ki.dwExtraInfo = 0;
|
|
|
|
RedirectedKeyDownMessageManager::WillRedirect(mMsg, defaultPrevented);
|
|
|
|
::SendInput(1, &keyinput, sizeof(keyinput));
|
|
|
|
// Return here. We shouldn't dispatch keypress event for this WM_KEYDOWN.
|
|
// If it's needed, it will be dispatched after next (redirected)
|
|
// WM_KEYDOWN.
|
|
return true;
|
|
}
|
|
} else {
|
|
defaultPrevented = RedirectedKeyDownMessageManager::DefaultPrevented();
|
|
// If this is redirected keydown message, we have dispatched the keydown
|
|
// event already.
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = true;
|
|
}
|
|
}
|
|
|
|
RedirectedKeyDownMessageManager::Forget();
|
|
|
|
// If the key was processed by IME, we shouldn't dispatch keypress event.
|
|
if (mOriginalVirtualKeyCode == VK_PROCESSKEY) {
|
|
return defaultPrevented;
|
|
}
|
|
|
|
if (defaultPrevented) {
|
|
DispatchPluginEventsAndDiscardsCharMessages();
|
|
return true;
|
|
}
|
|
|
|
// If we won't be getting a WM_CHAR, WM_SYSCHAR or WM_DEADCHAR, synthesize a
|
|
// keypress for almost all keys
|
|
if (NeedsToHandleWithoutFollowingCharMessages()) {
|
|
return (DispatchPluginEventsAndDiscardsCharMessages() ||
|
|
DispatchKeyPressEventsWithoutCharMessage());
|
|
}
|
|
|
|
MSG followingCharMsg;
|
|
if (GetFollowingCharMessage(followingCharMsg)) {
|
|
// Even if there was char message, it might be redirected by different
|
|
// window (perhaps, focus move?). Then, we shouldn't continue to handle
|
|
// the message since no input should occur on the window.
|
|
if (followingCharMsg.message == WM_NULL ||
|
|
followingCharMsg.hwnd != mMsg.hwnd) {
|
|
return false;
|
|
}
|
|
return DispatchKeyPressEventForFollowingCharMessage(followingCharMsg);
|
|
}
|
|
|
|
if (!mModKeyState.IsControl() && !mModKeyState.IsAlt() &&
|
|
!mModKeyState.IsWin() && mIsPrintableKey) {
|
|
// If this is simple KeyDown event but next message is not WM_CHAR,
|
|
// this event may not input text, so we should ignore this event.
|
|
// See bug 314130.
|
|
return false;
|
|
}
|
|
|
|
if (mIsDeadKey) {
|
|
return false;
|
|
}
|
|
|
|
return DispatchKeyPressEventsWithoutCharMessage();
|
|
}
|
|
|
|
bool
|
|
NativeKey::HandleCharMessage(const MSG& aCharMsg,
|
|
bool* aEventDispatched) const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage() || IsPrintableCharMessage(mMsg));
|
|
MOZ_ASSERT(IsPrintableCharMessage(aCharMsg.message));
|
|
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = false;
|
|
}
|
|
|
|
// Alt+Space key is handled by OS, we shouldn't touch it.
|
|
if (mModKeyState.IsAlt() && !mModKeyState.IsControl() &&
|
|
mVirtualKeyCode == VK_SPACE) {
|
|
return false;
|
|
}
|
|
|
|
// Bug 818235: Ignore Ctrl+Enter.
|
|
if (!mModKeyState.IsAlt() && mModKeyState.IsControl() &&
|
|
mVirtualKeyCode == VK_RETURN) {
|
|
return false;
|
|
}
|
|
|
|
// XXXmnakao I think that if aNativeKeyDown is null, such lonely WM_CHAR
|
|
// should cause composition events because they are not caused
|
|
// by actual keyboard operation.
|
|
|
|
static const char16_t U_SPACE = 0x20;
|
|
static const char16_t U_EQUAL = 0x3D;
|
|
|
|
// First, handle normal text input or non-printable key case here.
|
|
if ((!mModKeyState.IsAlt() && !mModKeyState.IsControl()) ||
|
|
mModKeyState.IsAltGr() ||
|
|
(mOriginalVirtualKeyCode &&
|
|
!KeyboardLayout::IsPrintableCharKey(mOriginalVirtualKeyCode))) {
|
|
WidgetKeyboardEvent keypressEvent(true, eKeyPress, mWidget);
|
|
if (aCharMsg.wParam >= U_SPACE) {
|
|
keypressEvent.charCode = static_cast<uint32_t>(aCharMsg.wParam);
|
|
} else {
|
|
keypressEvent.keyCode = mDOMKeyCode;
|
|
}
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
|
|
// When AltGr (Alt+Ctrl) is pressed, that causes normal text input.
|
|
// At this time, if either alt or ctrl flag is set, nsEditor ignores the
|
|
// keypress event. For avoiding this issue, we should remove ctrl and alt
|
|
// flags.
|
|
ModifierKeyState modKeyState(mModKeyState);
|
|
modKeyState.Unset(MODIFIER_ALT | MODIFIER_CONTROL);
|
|
nsEventStatus status = InitKeyEvent(keypressEvent, modKeyState, &aCharMsg);
|
|
bool dispatched =
|
|
mDispatcher->MaybeDispatchKeypressEvents(keypressEvent, status,
|
|
const_cast<NativeKey*>(this));
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = dispatched;
|
|
}
|
|
return status == nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
// XXX It seems that following code was implemented for shortcut key
|
|
// handling. However, it's now handled in WM_KEYDOWN message handler.
|
|
// So, this actually runs only when WM_CHAR is sent/posted without
|
|
// WM_KEYDOWN. I think that we don't need to keypress event in such
|
|
// case especially for shortcut keys.
|
|
|
|
char16_t uniChar;
|
|
// Ctrl+A Ctrl+Z, see Programming Windows 3.1 page 110 for details
|
|
if (mModKeyState.IsControl() && aCharMsg.wParam <= 0x1A) {
|
|
// Bug 16486: Need to account for shift here.
|
|
uniChar = aCharMsg.wParam - 1 + (mModKeyState.IsShift() ? 'A' : 'a');
|
|
} else if (mModKeyState.IsControl() && aCharMsg.wParam <= 0x1F) {
|
|
// Bug 50255: <ctrl><[> and <ctrl><]> are not being processed.
|
|
// also fixes ctrl+\ (x1c), ctrl+^ (x1e) and ctrl+_ (x1f)
|
|
// for some reason the keypress handler need to have the uniChar code set
|
|
// with the addition of a upper case A not the lower case.
|
|
uniChar = aCharMsg.wParam - 1 + 'A';
|
|
} else if (aCharMsg.wParam < U_SPACE ||
|
|
(aCharMsg.wParam == U_EQUAL && mModKeyState.IsControl())) {
|
|
uniChar = 0;
|
|
} else {
|
|
uniChar = aCharMsg.wParam;
|
|
}
|
|
|
|
// Bug 50255 and Bug 351310: Keep the characters unshifted for shortcuts and
|
|
// accesskeys and make sure that numbers are always passed as such.
|
|
if (uniChar && (mModKeyState.IsControl() || mModKeyState.IsAlt())) {
|
|
char16_t unshiftedCharCode =
|
|
(mVirtualKeyCode >= '0' && mVirtualKeyCode <= '9') ?
|
|
mVirtualKeyCode : mModKeyState.IsShift() ?
|
|
ComputeUnicharFromScanCode() : 0;
|
|
// Ignore diacritics (top bit set) and key mapping errors (char code 0)
|
|
if (static_cast<int32_t>(unshiftedCharCode) > 0) {
|
|
uniChar = unshiftedCharCode;
|
|
}
|
|
}
|
|
|
|
// Bug 285161 and Bug 295095: They were caused by the initial fix for
|
|
// bug 178110. When pressing (alt|ctrl)+char, the char must be lowercase
|
|
// unless shift is pressed too.
|
|
if (!mModKeyState.IsShift() &&
|
|
(mModKeyState.IsAlt() || mModKeyState.IsControl())) {
|
|
uniChar = towlower(uniChar);
|
|
}
|
|
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
|
|
WidgetKeyboardEvent keypressEvent(true, eKeyPress, mWidget);
|
|
keypressEvent.charCode = uniChar;
|
|
if (!keypressEvent.charCode) {
|
|
keypressEvent.keyCode = mDOMKeyCode;
|
|
}
|
|
nsEventStatus status = InitKeyEvent(keypressEvent, mModKeyState, &aCharMsg);
|
|
bool dispatched =
|
|
mDispatcher->MaybeDispatchKeypressEvents(keypressEvent, status,
|
|
const_cast<NativeKey*>(this));
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = dispatched;
|
|
}
|
|
return status == nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
bool
|
|
NativeKey::HandleKeyUpMessage(bool* aEventDispatched) const
|
|
{
|
|
MOZ_ASSERT(IsKeyUpMessage());
|
|
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = false;
|
|
}
|
|
|
|
// Ignore [shift+]alt+space so the OS can handle it.
|
|
if (mModKeyState.IsAlt() && !mModKeyState.IsControl() &&
|
|
mVirtualKeyCode == VK_SPACE) {
|
|
return false;
|
|
}
|
|
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
|
|
WidgetKeyboardEvent keyupEvent(true, eKeyUp, mWidget);
|
|
nsEventStatus status = InitKeyEvent(keyupEvent, mModKeyState, &mMsg);
|
|
bool dispatched =
|
|
mDispatcher->DispatchKeyboardEvent(eKeyUp, keyupEvent, status,
|
|
const_cast<NativeKey*>(this));
|
|
if (aEventDispatched) {
|
|
*aEventDispatched = dispatched;
|
|
}
|
|
return status == nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
bool
|
|
NativeKey::NeedsToHandleWithoutFollowingCharMessages() const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage());
|
|
|
|
// Enter and backspace are always handled here to avoid for example the
|
|
// confusion between ctrl-enter and ctrl-J.
|
|
if (mDOMKeyCode == NS_VK_RETURN || mDOMKeyCode == NS_VK_BACK) {
|
|
return true;
|
|
}
|
|
|
|
// If inputting two or more characters, should be dispatched after removing
|
|
// whole following char messages.
|
|
if (mCommittedCharsAndModifiers.mLength > 1) {
|
|
return true;
|
|
}
|
|
|
|
// If any modifier keys which may cause printable keys becoming non-printable
|
|
// are not pressed, we don't need special handling for the key.
|
|
if (!mModKeyState.IsControl() && !mModKeyState.IsAlt() &&
|
|
!mModKeyState.IsWin()) {
|
|
return false;
|
|
}
|
|
|
|
// If the key event causes dead key event, we don't need to dispatch keypress
|
|
// event.
|
|
if (mIsDeadKey && mCommittedCharsAndModifiers.IsEmpty()) {
|
|
return false;
|
|
}
|
|
|
|
// Even if the key is a printable key, it might cause non-printable character
|
|
// input with modifier key(s).
|
|
return mIsPrintableKey;
|
|
}
|
|
|
|
#ifdef MOZ_CRASHREPORTER
|
|
|
|
static nsCString
|
|
GetResultOfInSendMessageEx()
|
|
{
|
|
DWORD ret = ::InSendMessageEx(nullptr);
|
|
if (!ret) {
|
|
return NS_LITERAL_CSTRING("ISMEX_NOSEND");
|
|
}
|
|
nsAutoCString result;
|
|
if (ret & ISMEX_CALLBACK) {
|
|
result = "ISMEX_CALLBACK";
|
|
}
|
|
if (ret & ISMEX_NOTIFY) {
|
|
if (!result.IsEmpty()) {
|
|
result += " | ";
|
|
}
|
|
result += "ISMEX_NOTIFY";
|
|
}
|
|
if (ret & ISMEX_REPLIED) {
|
|
if (!result.IsEmpty()) {
|
|
result += " | ";
|
|
}
|
|
result += "ISMEX_REPLIED";
|
|
}
|
|
if (ret & ISMEX_SEND) {
|
|
if (!result.IsEmpty()) {
|
|
result += " | ";
|
|
}
|
|
result += "ISMEX_SEND";
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static const char*
|
|
GetMessageName(UINT aMessage)
|
|
{
|
|
switch (aMessage) {
|
|
case WM_KEYDOWN: return "WM_KEYDOWN";
|
|
case WM_SYSKEYDOWN: return "WM_SYSKEYDOWN";
|
|
case WM_KEYUP: return "WM_KEYUP";
|
|
case WM_SYSKEYUP: return "WM_SYSKEYUP";
|
|
case WM_CHAR: return "WM_CHAR";
|
|
case WM_DEADCHAR: return "WM_DEADCHAR";
|
|
case WM_SYSCHAR: return "WM_SYSCHAR";
|
|
case WM_SYSDEADCHAR: return "WM_SYSDEADCHAR";
|
|
case WM_UNICHAR: return "WM_UNICHAR";
|
|
case WM_QUIT: return "WM_QUIT";
|
|
case WM_NULL: return "WM_NULL";
|
|
default: return "Unknown";
|
|
}
|
|
}
|
|
|
|
#endif // #ifdef MOZ_CRASHREPORTER
|
|
|
|
bool
|
|
NativeKey::MayBeSameCharMessage(const MSG& aCharMsg1,
|
|
const MSG& aCharMsg2) const
|
|
{
|
|
// NOTE: Although, we don't know when this case occurs, the scan code value
|
|
// in lParam may be changed from 0 to something. The changed value
|
|
// is different from the scan code of handling keydown message.
|
|
static const LPARAM kScanCodeMask = 0x00FF0000;
|
|
return
|
|
aCharMsg1.message == aCharMsg2.message &&
|
|
aCharMsg1.wParam == aCharMsg2.wParam &&
|
|
(aCharMsg1.lParam & ~kScanCodeMask) == (aCharMsg2.lParam & ~kScanCodeMask);
|
|
}
|
|
|
|
bool
|
|
NativeKey::GetFollowingCharMessage(MSG& aCharMsg) const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage());
|
|
|
|
aCharMsg.message = WM_NULL;
|
|
|
|
if (mFakeCharMsgs) {
|
|
for (size_t i = 0; i < mFakeCharMsgs->Length(); i++) {
|
|
FakeCharMsg& fakeCharMsg = mFakeCharMsgs->ElementAt(i);
|
|
if (fakeCharMsg.mConsumed) {
|
|
continue;
|
|
}
|
|
MSG charMsg = fakeCharMsg.GetCharMsg(mMsg.hwnd);
|
|
fakeCharMsg.mConsumed = true;
|
|
if (!IsCharMessage(charMsg)) {
|
|
return false;
|
|
}
|
|
aCharMsg = charMsg;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// If next key message is not char message, we should give up to find a
|
|
// related char message for the handling keydown event for now.
|
|
// Note that it's possible other applications may send other key message
|
|
// after we call TranslateMessage(). That may cause PeekMessage() failing
|
|
// to get char message for the handling keydown message.
|
|
MSG nextKeyMsg;
|
|
if (!WinUtils::PeekMessage(&nextKeyMsg, mMsg.hwnd, WM_KEYFIRST, WM_KEYLAST,
|
|
PM_NOREMOVE | PM_NOYIELD) ||
|
|
!IsCharMessage(nextKeyMsg)) {
|
|
return false;
|
|
}
|
|
|
|
// On Metrofox, PeekMessage() sometimes returns WM_NULL even if we specify
|
|
// the message range. So, if it returns WM_NULL, we should retry to get
|
|
// the following char message it was found above.
|
|
for (uint32_t i = 0; i < 5; i++) {
|
|
MSG removedMsg, nextKeyMsgInAllWindows;
|
|
bool doCrash = false;
|
|
if (!WinUtils::PeekMessage(&removedMsg, mMsg.hwnd,
|
|
nextKeyMsg.message, nextKeyMsg.message,
|
|
PM_REMOVE | PM_NOYIELD)) {
|
|
// We meets unexpected case. We should collect the message queue state
|
|
// and crash for reporting the bug.
|
|
doCrash = true;
|
|
// The char message is redirected to different thread's window by focus
|
|
// move or something or just cancelled by external application.
|
|
if (!WinUtils::PeekMessage(&nextKeyMsgInAllWindows, 0,
|
|
WM_KEYFIRST, WM_KEYLAST,
|
|
PM_NOREMOVE | PM_NOYIELD)) {
|
|
return true;
|
|
}
|
|
if (MayBeSameCharMessage(nextKeyMsgInAllWindows, nextKeyMsg)) {
|
|
// The char message is redirected to different window created by our
|
|
// thread.
|
|
if (nextKeyMsgInAllWindows.hwnd != mMsg.hwnd) {
|
|
aCharMsg = nextKeyMsgInAllWindows;
|
|
return true;
|
|
}
|
|
// The found char message still in the queue, but PeekMessage() failed
|
|
// to remove it only with PM_REMOVE. Although, we don't know why this
|
|
// occurs. However, this occurs acctually.
|
|
// Try to remove the char message with GetMessage() again.
|
|
if (WinUtils::GetMessage(&removedMsg, mMsg.hwnd,
|
|
nextKeyMsg.message, nextKeyMsg.message)) {
|
|
// Cancel to crash, but we need to check the removed message value.
|
|
doCrash = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (doCrash) {
|
|
#ifdef MOZ_CRASHREPORTER
|
|
nsPrintfCString info("\nPeekMessage() failed to remove char message! "
|
|
"\nHandling message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, hwnd=0x%p, InSendMessageEx()=%s, \n"
|
|
"Found message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, hwnd=0x%p, "
|
|
"\nWM_NULL has been removed: %d, "
|
|
"\nNext key message in all windows: %s (0x%08X), "
|
|
"wParam: 0x%08X, lParam: 0x%08X, hwnd=0x%p, "
|
|
"time=%d, ",
|
|
GetMessageName(mMsg.message),
|
|
mMsg.message, mMsg.wParam, mMsg.lParam,
|
|
nextKeyMsg.hwnd,
|
|
GetResultOfInSendMessageEx().get(),
|
|
GetMessageName(nextKeyMsg.message),
|
|
nextKeyMsg.message, nextKeyMsg.wParam,
|
|
nextKeyMsg.lParam, nextKeyMsg.hwnd, i,
|
|
GetMessageName(nextKeyMsgInAllWindows.message),
|
|
nextKeyMsgInAllWindows.message,
|
|
nextKeyMsgInAllWindows.wParam,
|
|
nextKeyMsgInAllWindows.lParam,
|
|
nextKeyMsgInAllWindows.hwnd,
|
|
nextKeyMsgInAllWindows.time);
|
|
CrashReporter::AppendAppNotesToCrashReport(info);
|
|
MSG nextMsg;
|
|
if (WinUtils::PeekMessage(&nextMsg, 0, 0, 0,
|
|
PM_NOREMOVE | PM_NOYIELD)) {
|
|
nsPrintfCString info("\nNext message in all windows: %s (0x%08X), "
|
|
"wParam: 0x%08X, lParam: 0x%08X, hwnd=0x%p, "
|
|
"time=%d",
|
|
GetMessageName(nextMsg.message),
|
|
nextMsg.message, nextMsg.wParam, nextMsg.lParam,
|
|
nextMsg.hwnd, nextMsg.time);
|
|
CrashReporter::AppendAppNotesToCrashReport(info);
|
|
} else {
|
|
CrashReporter::AppendAppNotesToCrashReport(
|
|
NS_LITERAL_CSTRING("\nThere is no message in any window"));
|
|
}
|
|
#endif // #ifdef MOZ_CRASHREPORTER
|
|
MOZ_CRASH("We lost the following char message");
|
|
}
|
|
|
|
// Retry for the strange case.
|
|
if (removedMsg.message == WM_NULL) {
|
|
continue;
|
|
}
|
|
|
|
// Typically, this case occurs with WM_DEADCHAR. If the removed message's
|
|
// wParam becomes 0, that means that the key event shouldn't cause text
|
|
// input. So, let's ignore the strange char message.
|
|
if (removedMsg.message == nextKeyMsg.message && !removedMsg.wParam) {
|
|
return false;
|
|
}
|
|
|
|
// NOTE: Although, we don't know when this case occurs, the scan code value
|
|
// in lParam may be changed from 0 to something. The changed value
|
|
// is different from the scan code of handling keydown message.
|
|
if (!MayBeSameCharMessage(removedMsg, nextKeyMsg)) {
|
|
#ifdef MOZ_CRASHREPORTER
|
|
nsPrintfCString info("\nPeekMessage() removed unexpcted char message! "
|
|
"\nHandling message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, hwnd=0x%p, InSendMessageEx()=%s, "
|
|
"\nFound message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, hwnd=0x%p, "
|
|
"\nRemoved message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, hwnd=0x%p, ",
|
|
GetMessageName(mMsg.message),
|
|
mMsg.message, mMsg.wParam, mMsg.lParam, mMsg.hwnd,
|
|
GetResultOfInSendMessageEx().get(),
|
|
GetMessageName(nextKeyMsg.message),
|
|
nextKeyMsg.message, nextKeyMsg.wParam,
|
|
nextKeyMsg.lParam, nextKeyMsg.hwnd,
|
|
GetMessageName(removedMsg.message),
|
|
removedMsg.message, removedMsg.wParam,
|
|
removedMsg.lParam, removedMsg.hwnd);
|
|
CrashReporter::AppendAppNotesToCrashReport(info);
|
|
// What's the next key message?
|
|
MSG nextKeyMsgAfter;
|
|
if (WinUtils::PeekMessage(&nextKeyMsgAfter, mMsg.hwnd,
|
|
WM_KEYFIRST, WM_KEYLAST,
|
|
PM_NOREMOVE | PM_NOYIELD)) {
|
|
nsPrintfCString info("\nNext key message after unexpected char message "
|
|
"removed: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, hwnd=0x%p, ",
|
|
GetMessageName(nextKeyMsgAfter.message),
|
|
nextKeyMsgAfter.message, nextKeyMsgAfter.wParam,
|
|
nextKeyMsgAfter.lParam, nextKeyMsgAfter.hwnd);
|
|
CrashReporter::AppendAppNotesToCrashReport(info);
|
|
} else {
|
|
CrashReporter::AppendAppNotesToCrashReport(
|
|
NS_LITERAL_CSTRING("\nThere is no key message after unexpected char "
|
|
"message removed, "));
|
|
}
|
|
// Another window has a key message?
|
|
MSG nextKeyMsgInAllWindows;
|
|
if (WinUtils::PeekMessage(&nextKeyMsgInAllWindows, 0,
|
|
WM_KEYFIRST, WM_KEYLAST,
|
|
PM_NOREMOVE | PM_NOYIELD)) {
|
|
nsPrintfCString info("\nNext key message in all windows: %s (0x%08X), "
|
|
"wParam: 0x%08X, lParam: 0x%08X, hwnd=0x%p.",
|
|
GetMessageName(nextKeyMsgInAllWindows.message),
|
|
nextKeyMsgInAllWindows.message,
|
|
nextKeyMsgInAllWindows.wParam,
|
|
nextKeyMsgInAllWindows.lParam,
|
|
nextKeyMsgInAllWindows.hwnd);
|
|
CrashReporter::AppendAppNotesToCrashReport(info);
|
|
} else {
|
|
CrashReporter::AppendAppNotesToCrashReport(
|
|
NS_LITERAL_CSTRING("\nThere is no key message in any windows."));
|
|
}
|
|
#endif // #ifdef MOZ_CRASHREPORTER
|
|
MOZ_CRASH("PeekMessage() removed unexpected message");
|
|
}
|
|
|
|
aCharMsg = removedMsg;
|
|
return true;
|
|
}
|
|
#ifdef MOZ_CRASHREPORTER
|
|
nsPrintfCString info("\nWe lost following char message! "
|
|
"\nHandling message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, InSendMessageEx()=%s, \n"
|
|
"Found message: %s (0x%08X), wParam: 0x%08X, "
|
|
"lParam: 0x%08X, removed a lot of WM_NULL",
|
|
GetMessageName(mMsg.message),
|
|
mMsg.message, mMsg.wParam, mMsg.lParam,
|
|
GetResultOfInSendMessageEx().get(),
|
|
GetMessageName(nextKeyMsg.message),
|
|
nextKeyMsg.message, nextKeyMsg.wParam,
|
|
nextKeyMsg.lParam);
|
|
CrashReporter::AppendAppNotesToCrashReport(info);
|
|
#endif // #ifdef MOZ_CRASHREPORTER
|
|
MOZ_CRASH("We lost the following char message");
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
NativeKey::DispatchPluginEventsAndDiscardsCharMessages() const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage());
|
|
|
|
// Remove a possible WM_CHAR or WM_SYSCHAR messages from the message queue.
|
|
// They can be more than one because of:
|
|
// * Dead-keys not pairing with base character
|
|
// * Some keyboard layouts may map up to 4 characters to the single key
|
|
bool anyCharMessagesRemoved = false;
|
|
MSG msg;
|
|
while (GetFollowingCharMessage(msg)) {
|
|
if (msg.message == WM_NULL) {
|
|
continue;
|
|
}
|
|
anyCharMessagesRemoved = true;
|
|
// If the window handle is changed, focused window must be changed.
|
|
// So, plugin shouldn't handle it anymore.
|
|
if (msg.hwnd != mMsg.hwnd) {
|
|
break;
|
|
}
|
|
MOZ_RELEASE_ASSERT(!mWidget->Destroyed(),
|
|
"NativeKey tries to dispatch a plugin event on destroyed widget");
|
|
mWidget->DispatchPluginEvent(msg);
|
|
if (mWidget->Destroyed()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (!mFakeCharMsgs && !anyCharMessagesRemoved &&
|
|
mDOMKeyCode == NS_VK_BACK && IsIMEDoingKakuteiUndo()) {
|
|
// This is for a hack for ATOK and WXG. So, PeekMessage() must scceed!
|
|
while (WinUtils::PeekMessage(&msg, mMsg.hwnd, WM_CHAR, WM_CHAR,
|
|
PM_REMOVE | PM_NOYIELD)) {
|
|
if (msg.message != WM_CHAR) {
|
|
MOZ_RELEASE_ASSERT(msg.message == WM_NULL,
|
|
"Unexpected message was removed");
|
|
continue;
|
|
}
|
|
MOZ_RELEASE_ASSERT(!mWidget->Destroyed(),
|
|
"NativeKey tries to dispatch a plugin event on destroyed widget");
|
|
mWidget->DispatchPluginEvent(msg);
|
|
return mWidget->Destroyed();
|
|
}
|
|
MOZ_CRASH("NativeKey failed to get WM_CHAR for ATOK or WXG");
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
NativeKey::ComputeInputtingStringWithKeyboardLayout()
|
|
{
|
|
KeyboardLayout* keyboardLayout = KeyboardLayout::GetInstance();
|
|
|
|
if (KeyboardLayout::IsPrintableCharKey(mVirtualKeyCode)) {
|
|
mInputtingStringAndModifiers = mCommittedCharsAndModifiers;
|
|
} else {
|
|
mInputtingStringAndModifiers.Clear();
|
|
}
|
|
mShiftedString.Clear();
|
|
mUnshiftedString.Clear();
|
|
mShiftedLatinChar = mUnshiftedLatinChar = 0;
|
|
|
|
// XXX How about when Win key is pressed?
|
|
if (mModKeyState.IsControl() == mModKeyState.IsAlt()) {
|
|
return;
|
|
}
|
|
|
|
ModifierKeyState capsLockState(
|
|
mModKeyState.GetModifiers() & MODIFIER_CAPSLOCK);
|
|
|
|
mUnshiftedString =
|
|
keyboardLayout->GetUniCharsAndModifiers(mVirtualKeyCode, capsLockState);
|
|
capsLockState.Set(MODIFIER_SHIFT);
|
|
mShiftedString =
|
|
keyboardLayout->GetUniCharsAndModifiers(mVirtualKeyCode, capsLockState);
|
|
|
|
// The current keyboard cannot input alphabets or numerics,
|
|
// we should append them for Shortcut/Access keys.
|
|
// E.g., for Cyrillic keyboard layout.
|
|
capsLockState.Unset(MODIFIER_SHIFT);
|
|
WidgetUtils::GetLatinCharCodeForKeyCode(mDOMKeyCode,
|
|
capsLockState.GetModifiers(),
|
|
&mUnshiftedLatinChar,
|
|
&mShiftedLatinChar);
|
|
|
|
// If the mShiftedLatinChar isn't 0, the key code is NS_VK_[A-Z].
|
|
if (mShiftedLatinChar) {
|
|
// If the produced characters of the key on current keyboard layout
|
|
// are same as computed Latin characters, we shouldn't append the
|
|
// Latin characters to alternativeCharCode.
|
|
if (mUnshiftedLatinChar == mUnshiftedString.mChars[0] &&
|
|
mShiftedLatinChar == mShiftedString.mChars[0]) {
|
|
mShiftedLatinChar = mUnshiftedLatinChar = 0;
|
|
}
|
|
} else if (mUnshiftedLatinChar) {
|
|
// If the mShiftedLatinChar is 0, the keyCode doesn't produce
|
|
// alphabet character. At that time, the character may be produced
|
|
// with Shift key. E.g., on French keyboard layout, NS_VK_PERCENT
|
|
// key produces LATIN SMALL LETTER U WITH GRAVE (U+00F9) without
|
|
// Shift key but with Shift key, it produces '%'.
|
|
// If the mUnshiftedLatinChar is produced by the key on current
|
|
// keyboard layout, we shouldn't append it to alternativeCharCode.
|
|
if (mUnshiftedLatinChar == mUnshiftedString.mChars[0] ||
|
|
mUnshiftedLatinChar == mShiftedString.mChars[0]) {
|
|
mUnshiftedLatinChar = 0;
|
|
}
|
|
}
|
|
|
|
if (!mModKeyState.IsControl()) {
|
|
return;
|
|
}
|
|
|
|
// If the charCode is not ASCII character, we should replace the
|
|
// charCode with ASCII character only when Ctrl is pressed.
|
|
// But don't replace the charCode when the charCode is not same as
|
|
// unmodified characters. In such case, Ctrl is sometimes used for a
|
|
// part of character inputting key combination like Shift.
|
|
uint32_t ch =
|
|
mModKeyState.IsShift() ? mShiftedLatinChar : mUnshiftedLatinChar;
|
|
if (!ch) {
|
|
return;
|
|
}
|
|
if (mInputtingStringAndModifiers.IsEmpty() ||
|
|
mInputtingStringAndModifiers.UniCharsCaseInsensitiveEqual(
|
|
mModKeyState.IsShift() ? mShiftedString : mUnshiftedString)) {
|
|
mInputtingStringAndModifiers.Clear();
|
|
mInputtingStringAndModifiers.Append(ch, mModKeyState.GetModifiers());
|
|
}
|
|
}
|
|
|
|
bool
|
|
NativeKey::DispatchKeyPressEventsWithoutCharMessage() const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage());
|
|
MOZ_ASSERT(!mIsDeadKey || !mCommittedCharsAndModifiers.IsEmpty());
|
|
|
|
nsresult rv = mDispatcher->BeginNativeInputTransaction();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return true;
|
|
}
|
|
|
|
WidgetKeyboardEvent keypressEvent(true, eKeyPress, mWidget);
|
|
if (mInputtingStringAndModifiers.IsEmpty() &&
|
|
mShiftedString.IsEmpty() && mUnshiftedString.IsEmpty()) {
|
|
keypressEvent.keyCode = mDOMKeyCode;
|
|
}
|
|
nsEventStatus status = InitKeyEvent(keypressEvent, mModKeyState);
|
|
mDispatcher->MaybeDispatchKeypressEvents(keypressEvent, status,
|
|
const_cast<NativeKey*>(this));
|
|
return status == nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
void
|
|
NativeKey::WillDispatchKeyboardEvent(WidgetKeyboardEvent& aKeyboardEvent,
|
|
uint32_t aIndex)
|
|
{
|
|
uint32_t longestLength =
|
|
std::max(mInputtingStringAndModifiers.mLength,
|
|
std::max(mShiftedString.mLength, mUnshiftedString.mLength));
|
|
uint32_t skipUniChars = longestLength - mInputtingStringAndModifiers.mLength;
|
|
uint32_t skipShiftedChars = longestLength - mShiftedString.mLength;
|
|
uint32_t skipUnshiftedChars = longestLength - mUnshiftedString.mLength;
|
|
if (aIndex >= longestLength) {
|
|
return;
|
|
}
|
|
|
|
nsTArray<AlternativeCharCode>& altArray = aKeyboardEvent.alternativeCharCodes;
|
|
|
|
uint16_t shiftedChar = 0, unshiftedChar = 0;
|
|
if (skipUniChars <= aIndex) {
|
|
// XXX Modifying modifier state of aKeyboardEvent is illegal, but no way
|
|
// to set different modifier state per keypress event except this
|
|
// hack. Note that ideally, dead key should cause composition events
|
|
// instead of keypress events, though.
|
|
if (aIndex - skipUniChars < mInputtingStringAndModifiers.mLength) {
|
|
ModifierKeyState modKeyState(mModKeyState);
|
|
// If key in combination with Alt and/or Ctrl produces a different
|
|
// character than without them then do not report these flags
|
|
// because it is separate keyboard layout shift state. If dead-key
|
|
// and base character does not produce a valid composite character
|
|
// then both produced dead-key character and following base
|
|
// character may have different modifier flags, too.
|
|
modKeyState.Unset(MODIFIER_SHIFT | MODIFIER_CONTROL | MODIFIER_ALT |
|
|
MODIFIER_ALTGRAPH | MODIFIER_CAPSLOCK);
|
|
modKeyState.Set(
|
|
mInputtingStringAndModifiers.mModifiers[aIndex - skipUniChars]);
|
|
modKeyState.InitInputEvent(aKeyboardEvent);
|
|
}
|
|
uint16_t uniChar =
|
|
mInputtingStringAndModifiers.mChars[aIndex - skipUniChars];
|
|
if (aKeyboardEvent.mMessage == eKeyPress) {
|
|
// charCode is set from mKeyValue but e.g., when Ctrl key is pressed,
|
|
// the value should indicate an ASCII character for backward
|
|
// compatibility instead of inputting character without the modifiers.
|
|
aKeyboardEvent.charCode = uniChar;
|
|
MOZ_ASSERT(!aKeyboardEvent.keyCode);
|
|
} else if (uniChar) {
|
|
// If the event is not keypress event, we should set charCode as
|
|
// first alternative char code since the char code value is necessary
|
|
// for shortcut key handlers at looking for a proper handler.
|
|
AlternativeCharCode chars(0, 0);
|
|
if (!aKeyboardEvent.IsShift()) {
|
|
chars.mUnshiftedCharCode = uniChar;
|
|
} else {
|
|
chars.mShiftedCharCode = uniChar;
|
|
}
|
|
altArray.AppendElement(chars);
|
|
}
|
|
}
|
|
|
|
if (skipShiftedChars <= aIndex) {
|
|
shiftedChar = mShiftedString.mChars[aIndex - skipShiftedChars];
|
|
}
|
|
if (skipUnshiftedChars <= aIndex) {
|
|
unshiftedChar = mUnshiftedString.mChars[aIndex - skipUnshiftedChars];
|
|
}
|
|
|
|
if (shiftedChar || unshiftedChar) {
|
|
AlternativeCharCode chars(unshiftedChar, shiftedChar);
|
|
altArray.AppendElement(chars);
|
|
}
|
|
|
|
if (aIndex == longestLength - 1) {
|
|
if (mUnshiftedLatinChar || mShiftedLatinChar) {
|
|
AlternativeCharCode chars(mUnshiftedLatinChar, mShiftedLatinChar);
|
|
altArray.AppendElement(chars);
|
|
}
|
|
|
|
// Typically, following virtual keycodes are used for a key which can
|
|
// input the character. However, these keycodes are also used for
|
|
// other keys on some keyboard layout. E.g., in spite of Shift+'1'
|
|
// inputs '+' on Thai keyboard layout, a key which is at '=/+'
|
|
// key on ANSI keyboard layout is VK_OEM_PLUS. Native applications
|
|
// handle it as '+' key if Ctrl key is pressed.
|
|
char16_t charForOEMKeyCode = 0;
|
|
switch (mVirtualKeyCode) {
|
|
case VK_OEM_PLUS: charForOEMKeyCode = '+'; break;
|
|
case VK_OEM_COMMA: charForOEMKeyCode = ','; break;
|
|
case VK_OEM_MINUS: charForOEMKeyCode = '-'; break;
|
|
case VK_OEM_PERIOD: charForOEMKeyCode = '.'; break;
|
|
}
|
|
if (charForOEMKeyCode &&
|
|
charForOEMKeyCode != mUnshiftedString.mChars[0] &&
|
|
charForOEMKeyCode != mShiftedString.mChars[0] &&
|
|
charForOEMKeyCode != mUnshiftedLatinChar &&
|
|
charForOEMKeyCode != mShiftedLatinChar) {
|
|
AlternativeCharCode OEMChars(charForOEMKeyCode, charForOEMKeyCode);
|
|
altArray.AppendElement(OEMChars);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
NativeKey::DispatchKeyPressEventForFollowingCharMessage(
|
|
const MSG& aCharMsg) const
|
|
{
|
|
MOZ_ASSERT(IsKeyDownMessage());
|
|
|
|
if (mFakeCharMsgs) {
|
|
if (IsDeadCharMessage(aCharMsg)) {
|
|
return false;
|
|
}
|
|
#ifdef DEBUG
|
|
if (mIsPrintableKey) {
|
|
nsPrintfCString log(
|
|
"mOriginalVirtualKeyCode=0x%02X, mCommittedCharsAndModifiers={ "
|
|
"mChars=[ 0x%04X, 0x%04X, 0x%04X, 0x%04X, 0x%04X ], mLength=%d }, "
|
|
"wParam=0x%04X",
|
|
mOriginalVirtualKeyCode, mCommittedCharsAndModifiers.mChars[0],
|
|
mCommittedCharsAndModifiers.mChars[1],
|
|
mCommittedCharsAndModifiers.mChars[2],
|
|
mCommittedCharsAndModifiers.mChars[3],
|
|
mCommittedCharsAndModifiers.mChars[4],
|
|
mCommittedCharsAndModifiers.mLength, aCharMsg.wParam);
|
|
if (mCommittedCharsAndModifiers.IsEmpty()) {
|
|
log.Insert("length is zero: ", 0);
|
|
NS_ERROR(log.get());
|
|
NS_ABORT();
|
|
} else if (mCommittedCharsAndModifiers.mChars[0] != aCharMsg.wParam) {
|
|
log.Insert("character mismatch: ", 0);
|
|
NS_ERROR(log.get());
|
|
NS_ABORT();
|
|
}
|
|
}
|
|
#endif // #ifdef DEBUG
|
|
return HandleCharMessage(aCharMsg);
|
|
}
|
|
|
|
if (IsDeadCharMessage(aCharMsg)) {
|
|
if (!mWidget->PluginHasFocus()) {
|
|
return false;
|
|
}
|
|
return (mWidget->DispatchPluginEvent(aCharMsg) || mWidget->Destroyed());
|
|
}
|
|
|
|
bool defaultPrevented = HandleCharMessage(aCharMsg);
|
|
// If a syschar keypress wasn't processed, Windows may want to
|
|
// handle it to activate a native menu.
|
|
if (!defaultPrevented && IsSysCharMessage(aCharMsg)) {
|
|
::DefWindowProcW(aCharMsg.hwnd, aCharMsg.message,
|
|
aCharMsg.wParam, aCharMsg.lParam);
|
|
}
|
|
return defaultPrevented;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* mozilla::widget::KeyboardLayout
|
|
*****************************************************************************/
|
|
|
|
KeyboardLayout* KeyboardLayout::sInstance = nullptr;
|
|
nsIIdleServiceInternal* KeyboardLayout::sIdleService = nullptr;
|
|
|
|
PRLogModuleInfo* sKeyboardLayoutLogger = nullptr;
|
|
|
|
// static
|
|
KeyboardLayout*
|
|
KeyboardLayout::GetInstance()
|
|
{
|
|
if (!sInstance) {
|
|
if (!sKeyboardLayoutLogger) {
|
|
sKeyboardLayoutLogger = PR_NewLogModule("KeyboardLayoutWidgets");
|
|
}
|
|
sInstance = new KeyboardLayout();
|
|
nsCOMPtr<nsIIdleServiceInternal> idleService =
|
|
do_GetService("@mozilla.org/widget/idleservice;1");
|
|
// The refcount will be decreased at shut down.
|
|
sIdleService = idleService.forget().take();
|
|
}
|
|
return sInstance;
|
|
}
|
|
|
|
// static
|
|
void
|
|
KeyboardLayout::Shutdown()
|
|
{
|
|
delete sInstance;
|
|
sInstance = nullptr;
|
|
NS_IF_RELEASE(sIdleService);
|
|
}
|
|
|
|
// static
|
|
void
|
|
KeyboardLayout::NotifyIdleServiceOfUserActivity()
|
|
{
|
|
sIdleService->ResetIdleTimeOut(0);
|
|
}
|
|
|
|
KeyboardLayout::KeyboardLayout() :
|
|
mKeyboardLayout(0), mIsOverridden(false),
|
|
mIsPendingToRestoreKeyboardLayout(false)
|
|
{
|
|
mDeadKeyTableListHead = nullptr;
|
|
|
|
// NOTE: LoadLayout() should be called via OnLayoutChange().
|
|
}
|
|
|
|
KeyboardLayout::~KeyboardLayout()
|
|
{
|
|
ReleaseDeadKeyTables();
|
|
}
|
|
|
|
bool
|
|
KeyboardLayout::IsPrintableCharKey(uint8_t aVirtualKey)
|
|
{
|
|
return GetKeyIndex(aVirtualKey) >= 0;
|
|
}
|
|
|
|
WORD
|
|
KeyboardLayout::ComputeScanCodeForVirtualKeyCode(uint8_t aVirtualKeyCode) const
|
|
{
|
|
return static_cast<WORD>(
|
|
::MapVirtualKeyEx(aVirtualKeyCode, MAPVK_VK_TO_VSC, GetLayout()));
|
|
}
|
|
|
|
bool
|
|
KeyboardLayout::IsDeadKey(uint8_t aVirtualKey,
|
|
const ModifierKeyState& aModKeyState) const
|
|
{
|
|
int32_t virtualKeyIndex = GetKeyIndex(aVirtualKey);
|
|
if (virtualKeyIndex < 0) {
|
|
return false;
|
|
}
|
|
|
|
return mVirtualKeys[virtualKeyIndex].IsDeadKey(
|
|
VirtualKey::ModifiersToShiftState(aModKeyState.GetModifiers()));
|
|
}
|
|
|
|
void
|
|
KeyboardLayout::InitNativeKey(NativeKey& aNativeKey,
|
|
const ModifierKeyState& aModKeyState)
|
|
{
|
|
if (mIsPendingToRestoreKeyboardLayout) {
|
|
LoadLayout(::GetKeyboardLayout(0));
|
|
}
|
|
|
|
uint8_t virtualKey = aNativeKey.mOriginalVirtualKeyCode;
|
|
int32_t virtualKeyIndex = GetKeyIndex(virtualKey);
|
|
|
|
if (virtualKeyIndex < 0) {
|
|
// Does not produce any printable characters, but still preserves the
|
|
// dead-key state.
|
|
return;
|
|
}
|
|
|
|
MOZ_ASSERT(aNativeKey.mKeyNameIndex == KEY_NAME_INDEX_USE_STRING,
|
|
"Printable key's key name index must be KEY_NAME_INDEX_USE_STRING");
|
|
|
|
bool isKeyDown = aNativeKey.IsKeyDownMessage();
|
|
uint8_t shiftState =
|
|
VirtualKey::ModifiersToShiftState(aModKeyState.GetModifiers());
|
|
|
|
if (mVirtualKeys[virtualKeyIndex].IsDeadKey(shiftState)) {
|
|
if ((isKeyDown && mActiveDeadKey < 0) ||
|
|
(!isKeyDown && mActiveDeadKey == virtualKey)) {
|
|
// First dead key event doesn't generate characters.
|
|
if (isKeyDown) {
|
|
// Dead-key state activated at keydown.
|
|
mActiveDeadKey = virtualKey;
|
|
mDeadKeyShiftState = shiftState;
|
|
}
|
|
UniCharsAndModifiers deadChars =
|
|
mVirtualKeys[virtualKeyIndex].GetNativeUniChars(shiftState);
|
|
NS_ASSERTION(deadChars.mLength == 1,
|
|
"dead key must generate only one character");
|
|
aNativeKey.mKeyNameIndex = KEY_NAME_INDEX_Dead;
|
|
return;
|
|
}
|
|
|
|
// Dead key followed by another dead key causes inputting both character.
|
|
// However, at keydown message handling, we need to forget the first
|
|
// dead key because there is no guarantee coming WM_KEYUP for the second
|
|
// dead key before next WM_KEYDOWN. E.g., due to auto key repeat or
|
|
// pressing another dead key before releasing current key. Therefore,
|
|
// we can set only a character for current key for keyup event.
|
|
if (mActiveDeadKey < 0) {
|
|
aNativeKey.mCommittedCharsAndModifiers =
|
|
mVirtualKeys[virtualKeyIndex].GetUniChars(shiftState);
|
|
return;
|
|
}
|
|
|
|
int32_t activeDeadKeyIndex = GetKeyIndex(mActiveDeadKey);
|
|
if (activeDeadKeyIndex < 0 || activeDeadKeyIndex >= NS_NUM_OF_KEYS) {
|
|
#if defined(DEBUG) || defined(MOZ_CRASHREPORTER)
|
|
nsPrintfCString warning("The virtual key index (%d) of mActiveDeadKey "
|
|
"(0x%02X) is not a printable key (virtualKey="
|
|
"0x%02X)",
|
|
activeDeadKeyIndex, mActiveDeadKey, virtualKey);
|
|
NS_WARNING(warning.get());
|
|
#ifdef MOZ_CRASHREPORTER
|
|
CrashReporter::AppendAppNotesToCrashReport(
|
|
NS_LITERAL_CSTRING("\n") + warning);
|
|
#endif // #ifdef MOZ_CRASHREPORTER
|
|
#endif // #if defined(DEBUG) || defined(MOZ_CRASHREPORTER)
|
|
MOZ_CRASH("Trying to reference out of range of mVirtualKeys");
|
|
}
|
|
UniCharsAndModifiers prevDeadChars =
|
|
mVirtualKeys[activeDeadKeyIndex].GetUniChars(mDeadKeyShiftState);
|
|
UniCharsAndModifiers newChars =
|
|
mVirtualKeys[virtualKeyIndex].GetUniChars(shiftState);
|
|
// But keypress events should be fired for each committed character.
|
|
aNativeKey.mCommittedCharsAndModifiers = prevDeadChars + newChars;
|
|
if (isKeyDown) {
|
|
DeactivateDeadKeyState();
|
|
}
|
|
return;
|
|
}
|
|
|
|
UniCharsAndModifiers baseChars =
|
|
mVirtualKeys[virtualKeyIndex].GetUniChars(shiftState);
|
|
if (mActiveDeadKey < 0) {
|
|
// No dead-keys are active. Just return the produced characters.
|
|
aNativeKey.mCommittedCharsAndModifiers = baseChars;
|
|
return;
|
|
}
|
|
|
|
// Dead-key was active. See if pressed base character does produce
|
|
// valid composite character.
|
|
int32_t activeDeadKeyIndex = GetKeyIndex(mActiveDeadKey);
|
|
char16_t compositeChar = (baseChars.mLength == 1 && baseChars.mChars[0]) ?
|
|
mVirtualKeys[activeDeadKeyIndex].GetCompositeChar(mDeadKeyShiftState,
|
|
baseChars.mChars[0]) : 0;
|
|
if (compositeChar) {
|
|
// Active dead-key and base character does produce exactly one
|
|
// composite character.
|
|
aNativeKey.mCommittedCharsAndModifiers.Append(compositeChar,
|
|
baseChars.mModifiers[0]);
|
|
if (isKeyDown) {
|
|
DeactivateDeadKeyState();
|
|
}
|
|
return;
|
|
}
|
|
|
|
// There is no valid dead-key and base character combination.
|
|
// Return dead-key character followed by base character.
|
|
UniCharsAndModifiers deadChars =
|
|
mVirtualKeys[activeDeadKeyIndex].GetUniChars(mDeadKeyShiftState);
|
|
// But keypress events should be fired for each committed character.
|
|
aNativeKey.mCommittedCharsAndModifiers = deadChars + baseChars;
|
|
if (isKeyDown) {
|
|
DeactivateDeadKeyState();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
UniCharsAndModifiers
|
|
KeyboardLayout::GetUniCharsAndModifiers(
|
|
uint8_t aVirtualKey,
|
|
const ModifierKeyState& aModKeyState) const
|
|
{
|
|
UniCharsAndModifiers result;
|
|
int32_t key = GetKeyIndex(aVirtualKey);
|
|
if (key < 0) {
|
|
return result;
|
|
}
|
|
return mVirtualKeys[key].
|
|
GetUniChars(VirtualKey::ModifiersToShiftState(aModKeyState.GetModifiers()));
|
|
}
|
|
|
|
void
|
|
KeyboardLayout::LoadLayout(HKL aLayout)
|
|
{
|
|
mIsPendingToRestoreKeyboardLayout = false;
|
|
|
|
if (mKeyboardLayout == aLayout) {
|
|
return;
|
|
}
|
|
|
|
mKeyboardLayout = aLayout;
|
|
|
|
BYTE kbdState[256];
|
|
memset(kbdState, 0, sizeof(kbdState));
|
|
|
|
BYTE originalKbdState[256];
|
|
// Bitfield with all shift states that have at least one dead-key.
|
|
uint16_t shiftStatesWithDeadKeys = 0;
|
|
// Bitfield with all shift states that produce any possible dead-key base
|
|
// characters.
|
|
uint16_t shiftStatesWithBaseChars = 0;
|
|
|
|
mActiveDeadKey = -1;
|
|
|
|
ReleaseDeadKeyTables();
|
|
|
|
::GetKeyboardState(originalKbdState);
|
|
|
|
// For each shift state gather all printable characters that are produced
|
|
// for normal case when no any dead-key is active.
|
|
|
|
for (VirtualKey::ShiftState shiftState = 0; shiftState < 16; shiftState++) {
|
|
VirtualKey::FillKbdState(kbdState, shiftState);
|
|
for (uint32_t virtualKey = 0; virtualKey < 256; virtualKey++) {
|
|
int32_t vki = GetKeyIndex(virtualKey);
|
|
if (vki < 0) {
|
|
continue;
|
|
}
|
|
NS_ASSERTION(uint32_t(vki) < ArrayLength(mVirtualKeys), "invalid index");
|
|
char16_t uniChars[5];
|
|
int32_t ret =
|
|
::ToUnicodeEx(virtualKey, 0, kbdState, (LPWSTR)uniChars,
|
|
ArrayLength(uniChars), 0, mKeyboardLayout);
|
|
// dead-key
|
|
if (ret < 0) {
|
|
shiftStatesWithDeadKeys |= (1 << shiftState);
|
|
// Repeat dead-key to deactivate it and get its character
|
|
// representation.
|
|
char16_t deadChar[2];
|
|
ret = ::ToUnicodeEx(virtualKey, 0, kbdState, (LPWSTR)deadChar,
|
|
ArrayLength(deadChar), 0, mKeyboardLayout);
|
|
NS_ASSERTION(ret == 2, "Expecting twice repeated dead-key character");
|
|
mVirtualKeys[vki].SetDeadChar(shiftState, deadChar[0]);
|
|
} else {
|
|
if (ret == 1) {
|
|
// dead-key can pair only with exactly one base character.
|
|
shiftStatesWithBaseChars |= (1 << shiftState);
|
|
}
|
|
mVirtualKeys[vki].SetNormalChars(shiftState, uniChars, ret);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now process each dead-key to find all its base characters and resulting
|
|
// composite characters.
|
|
for (VirtualKey::ShiftState shiftState = 0; shiftState < 16; shiftState++) {
|
|
if (!(shiftStatesWithDeadKeys & (1 << shiftState))) {
|
|
continue;
|
|
}
|
|
|
|
VirtualKey::FillKbdState(kbdState, shiftState);
|
|
|
|
for (uint32_t virtualKey = 0; virtualKey < 256; virtualKey++) {
|
|
int32_t vki = GetKeyIndex(virtualKey);
|
|
if (vki >= 0 && mVirtualKeys[vki].IsDeadKey(shiftState)) {
|
|
DeadKeyEntry deadKeyArray[256];
|
|
int32_t n = GetDeadKeyCombinations(virtualKey, kbdState,
|
|
shiftStatesWithBaseChars,
|
|
deadKeyArray,
|
|
ArrayLength(deadKeyArray));
|
|
const DeadKeyTable* dkt =
|
|
mVirtualKeys[vki].MatchingDeadKeyTable(deadKeyArray, n);
|
|
if (!dkt) {
|
|
dkt = AddDeadKeyTable(deadKeyArray, n);
|
|
}
|
|
mVirtualKeys[vki].AttachDeadKeyTable(shiftState, dkt);
|
|
}
|
|
}
|
|
}
|
|
|
|
::SetKeyboardState(originalKbdState);
|
|
|
|
if (MOZ_LOG_TEST(sKeyboardLayoutLogger, LogLevel::Debug)) {
|
|
static const UINT kExtendedScanCode[] = { 0x0000, 0xE000 };
|
|
static const UINT kMapType =
|
|
IsVistaOrLater() ? MAPVK_VSC_TO_VK_EX : MAPVK_VSC_TO_VK;
|
|
MOZ_LOG(sKeyboardLayoutLogger, LogLevel::Debug,
|
|
("Logging virtual keycode values for scancode (0x%p)...",
|
|
mKeyboardLayout));
|
|
for (uint32_t i = 0; i < ArrayLength(kExtendedScanCode); i++) {
|
|
for (uint32_t j = 1; j <= 0xFF; j++) {
|
|
UINT scanCode = kExtendedScanCode[i] + j;
|
|
UINT virtualKeyCode =
|
|
::MapVirtualKeyEx(scanCode, kMapType, mKeyboardLayout);
|
|
MOZ_LOG(sKeyboardLayoutLogger, LogLevel::Debug,
|
|
("0x%04X, %s", scanCode, kVirtualKeyName[virtualKeyCode]));
|
|
}
|
|
// XP and Server 2003 don't support 0xE0 prefix of the scancode.
|
|
// Therefore, we don't need to continue on them.
|
|
if (!IsVistaOrLater()) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
inline int32_t
|
|
KeyboardLayout::GetKeyIndex(uint8_t aVirtualKey)
|
|
{
|
|
// Currently these 68 (NS_NUM_OF_KEYS) virtual keys are assumed
|
|
// to produce visible representation:
|
|
// 0x20 - VK_SPACE ' '
|
|
// 0x30..0x39 '0'..'9'
|
|
// 0x41..0x5A 'A'..'Z'
|
|
// 0x60..0x69 '0'..'9' on numpad
|
|
// 0x6A - VK_MULTIPLY '*' on numpad
|
|
// 0x6B - VK_ADD '+' on numpad
|
|
// 0x6D - VK_SUBTRACT '-' on numpad
|
|
// 0x6E - VK_DECIMAL '.' on numpad
|
|
// 0x6F - VK_DIVIDE '/' on numpad
|
|
// 0x6E - VK_DECIMAL '.'
|
|
// 0xBA - VK_OEM_1 ';:' for US
|
|
// 0xBB - VK_OEM_PLUS '+' any country
|
|
// 0xBC - VK_OEM_COMMA ',' any country
|
|
// 0xBD - VK_OEM_MINUS '-' any country
|
|
// 0xBE - VK_OEM_PERIOD '.' any country
|
|
// 0xBF - VK_OEM_2 '/?' for US
|
|
// 0xC0 - VK_OEM_3 '`~' for US
|
|
// 0xC1 - VK_ABNT_C1 '/?' for Brazilian
|
|
// 0xC2 - VK_ABNT_C2 separator key on numpad (Brazilian or JIS for Mac)
|
|
// 0xDB - VK_OEM_4 '[{' for US
|
|
// 0xDC - VK_OEM_5 '\|' for US
|
|
// 0xDD - VK_OEM_6 ']}' for US
|
|
// 0xDE - VK_OEM_7 ''"' for US
|
|
// 0xDF - VK_OEM_8
|
|
// 0xE1 - no name
|
|
// 0xE2 - VK_OEM_102 '\_' for JIS
|
|
// 0xE3 - no name
|
|
// 0xE4 - no name
|
|
|
|
static const int8_t xlat[256] =
|
|
{
|
|
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
|
|
//-----------------------------------------------------------------------
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 00
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 10
|
|
0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 20
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, -1, -1, -1, -1, -1, -1, // 30
|
|
-1, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, // 40
|
|
26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, -1, -1, -1, -1, -1, // 50
|
|
37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, -1, 49, 50, 51, // 60
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 70
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 80
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // 90
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // A0
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 52, 53, 54, 55, 56, 57, // B0
|
|
58, 59, 60, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // C0
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 61, 62, 63, 64, 65, // D0
|
|
-1, 66, 67, 68, 69, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // E0
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // F0
|
|
};
|
|
|
|
return xlat[aVirtualKey];
|
|
}
|
|
|
|
int
|
|
KeyboardLayout::CompareDeadKeyEntries(const void* aArg1,
|
|
const void* aArg2,
|
|
void*)
|
|
{
|
|
const DeadKeyEntry* arg1 = static_cast<const DeadKeyEntry*>(aArg1);
|
|
const DeadKeyEntry* arg2 = static_cast<const DeadKeyEntry*>(aArg2);
|
|
|
|
return arg1->BaseChar - arg2->BaseChar;
|
|
}
|
|
|
|
const DeadKeyTable*
|
|
KeyboardLayout::AddDeadKeyTable(const DeadKeyEntry* aDeadKeyArray,
|
|
uint32_t aEntries)
|
|
{
|
|
DeadKeyTableListEntry* next = mDeadKeyTableListHead;
|
|
|
|
const size_t bytes = offsetof(DeadKeyTableListEntry, data) +
|
|
DeadKeyTable::SizeInBytes(aEntries);
|
|
uint8_t* p = new uint8_t[bytes];
|
|
|
|
mDeadKeyTableListHead = reinterpret_cast<DeadKeyTableListEntry*>(p);
|
|
mDeadKeyTableListHead->next = next;
|
|
|
|
DeadKeyTable* dkt =
|
|
reinterpret_cast<DeadKeyTable*>(mDeadKeyTableListHead->data);
|
|
|
|
dkt->Init(aDeadKeyArray, aEntries);
|
|
|
|
return dkt;
|
|
}
|
|
|
|
void
|
|
KeyboardLayout::ReleaseDeadKeyTables()
|
|
{
|
|
while (mDeadKeyTableListHead) {
|
|
uint8_t* p = reinterpret_cast<uint8_t*>(mDeadKeyTableListHead);
|
|
mDeadKeyTableListHead = mDeadKeyTableListHead->next;
|
|
|
|
delete [] p;
|
|
}
|
|
}
|
|
|
|
bool
|
|
KeyboardLayout::EnsureDeadKeyActive(bool aIsActive,
|
|
uint8_t aDeadKey,
|
|
const PBYTE aDeadKeyKbdState)
|
|
{
|
|
int32_t ret;
|
|
do {
|
|
char16_t dummyChars[5];
|
|
ret = ::ToUnicodeEx(aDeadKey, 0, (PBYTE)aDeadKeyKbdState,
|
|
(LPWSTR)dummyChars, ArrayLength(dummyChars), 0,
|
|
mKeyboardLayout);
|
|
// returned values:
|
|
// <0 - Dead key state is active. The keyboard driver will wait for next
|
|
// character.
|
|
// 1 - Previous pressed key was a valid base character that produced
|
|
// exactly one composite character.
|
|
// >1 - Previous pressed key does not produce any composite characters.
|
|
// Return dead-key character followed by base character(s).
|
|
} while ((ret < 0) != aIsActive);
|
|
|
|
return (ret < 0);
|
|
}
|
|
|
|
void
|
|
KeyboardLayout::DeactivateDeadKeyState()
|
|
{
|
|
if (mActiveDeadKey < 0) {
|
|
return;
|
|
}
|
|
|
|
BYTE kbdState[256];
|
|
memset(kbdState, 0, sizeof(kbdState));
|
|
|
|
VirtualKey::FillKbdState(kbdState, mDeadKeyShiftState);
|
|
|
|
EnsureDeadKeyActive(false, mActiveDeadKey, kbdState);
|
|
mActiveDeadKey = -1;
|
|
}
|
|
|
|
bool
|
|
KeyboardLayout::AddDeadKeyEntry(char16_t aBaseChar,
|
|
char16_t aCompositeChar,
|
|
DeadKeyEntry* aDeadKeyArray,
|
|
uint32_t aEntries)
|
|
{
|
|
for (uint32_t index = 0; index < aEntries; index++) {
|
|
if (aDeadKeyArray[index].BaseChar == aBaseChar) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
aDeadKeyArray[aEntries].BaseChar = aBaseChar;
|
|
aDeadKeyArray[aEntries].CompositeChar = aCompositeChar;
|
|
|
|
return true;
|
|
}
|
|
|
|
uint32_t
|
|
KeyboardLayout::GetDeadKeyCombinations(uint8_t aDeadKey,
|
|
const PBYTE aDeadKeyKbdState,
|
|
uint16_t aShiftStatesWithBaseChars,
|
|
DeadKeyEntry* aDeadKeyArray,
|
|
uint32_t aMaxEntries)
|
|
{
|
|
bool deadKeyActive = false;
|
|
uint32_t entries = 0;
|
|
BYTE kbdState[256];
|
|
memset(kbdState, 0, sizeof(kbdState));
|
|
|
|
for (uint32_t shiftState = 0; shiftState < 16; shiftState++) {
|
|
if (!(aShiftStatesWithBaseChars & (1 << shiftState))) {
|
|
continue;
|
|
}
|
|
|
|
VirtualKey::FillKbdState(kbdState, shiftState);
|
|
|
|
for (uint32_t virtualKey = 0; virtualKey < 256; virtualKey++) {
|
|
int32_t vki = GetKeyIndex(virtualKey);
|
|
// Dead-key can pair only with such key that produces exactly one base
|
|
// character.
|
|
if (vki >= 0 &&
|
|
mVirtualKeys[vki].GetNativeUniChars(shiftState).mLength == 1) {
|
|
// Ensure dead-key is in active state, when it swallows entered
|
|
// character and waits for the next pressed key.
|
|
if (!deadKeyActive) {
|
|
deadKeyActive = EnsureDeadKeyActive(true, aDeadKey,
|
|
aDeadKeyKbdState);
|
|
}
|
|
|
|
// Depending on the character the followed the dead-key, the keyboard
|
|
// driver can produce one composite character, or a dead-key character
|
|
// followed by a second character.
|
|
char16_t compositeChars[5];
|
|
int32_t ret =
|
|
::ToUnicodeEx(virtualKey, 0, kbdState, (LPWSTR)compositeChars,
|
|
ArrayLength(compositeChars), 0, mKeyboardLayout);
|
|
switch (ret) {
|
|
case 0:
|
|
// This key combination does not produce any characters. The
|
|
// dead-key is still in active state.
|
|
break;
|
|
case 1: {
|
|
// Exactly one composite character produced. Now, when dead-key
|
|
// is not active, repeat the last character one more time to
|
|
// determine the base character.
|
|
char16_t baseChars[5];
|
|
ret = ::ToUnicodeEx(virtualKey, 0, kbdState, (LPWSTR)baseChars,
|
|
ArrayLength(baseChars), 0, mKeyboardLayout);
|
|
NS_ASSERTION(ret == 1, "One base character expected");
|
|
if (ret == 1 && entries < aMaxEntries &&
|
|
AddDeadKeyEntry(baseChars[0], compositeChars[0],
|
|
aDeadKeyArray, entries)) {
|
|
entries++;
|
|
}
|
|
deadKeyActive = false;
|
|
break;
|
|
}
|
|
default:
|
|
// 1. Unexpected dead-key. Dead-key chaining is not supported.
|
|
// 2. More than one character generated. This is not a valid
|
|
// dead-key and base character combination.
|
|
deadKeyActive = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (deadKeyActive) {
|
|
deadKeyActive = EnsureDeadKeyActive(false, aDeadKey, aDeadKeyKbdState);
|
|
}
|
|
|
|
NS_QuickSort(aDeadKeyArray, entries, sizeof(DeadKeyEntry),
|
|
CompareDeadKeyEntries, nullptr);
|
|
return entries;
|
|
}
|
|
|
|
uint32_t
|
|
KeyboardLayout::ConvertNativeKeyCodeToDOMKeyCode(UINT aNativeKeyCode) const
|
|
{
|
|
// Alphabet or Numeric or Numpad or Function keys
|
|
if ((aNativeKeyCode >= 0x30 && aNativeKeyCode <= 0x39) ||
|
|
(aNativeKeyCode >= 0x41 && aNativeKeyCode <= 0x5A) ||
|
|
(aNativeKeyCode >= 0x60 && aNativeKeyCode <= 0x87)) {
|
|
return static_cast<uint32_t>(aNativeKeyCode);
|
|
}
|
|
switch (aNativeKeyCode) {
|
|
// Following keycodes are same as our DOM keycodes
|
|
case VK_CANCEL:
|
|
case VK_BACK:
|
|
case VK_TAB:
|
|
case VK_CLEAR:
|
|
case VK_RETURN:
|
|
case VK_SHIFT:
|
|
case VK_CONTROL:
|
|
case VK_MENU: // Alt
|
|
case VK_PAUSE:
|
|
case VK_CAPITAL: // CAPS LOCK
|
|
case VK_KANA: // same as VK_HANGUL
|
|
case VK_JUNJA:
|
|
case VK_FINAL:
|
|
case VK_HANJA: // same as VK_KANJI
|
|
case VK_ESCAPE:
|
|
case VK_CONVERT:
|
|
case VK_NONCONVERT:
|
|
case VK_ACCEPT:
|
|
case VK_MODECHANGE:
|
|
case VK_SPACE:
|
|
case VK_PRIOR: // PAGE UP
|
|
case VK_NEXT: // PAGE DOWN
|
|
case VK_END:
|
|
case VK_HOME:
|
|
case VK_LEFT:
|
|
case VK_UP:
|
|
case VK_RIGHT:
|
|
case VK_DOWN:
|
|
case VK_SELECT:
|
|
case VK_PRINT:
|
|
case VK_EXECUTE:
|
|
case VK_SNAPSHOT:
|
|
case VK_INSERT:
|
|
case VK_DELETE:
|
|
case VK_APPS: // Context Menu
|
|
case VK_SLEEP:
|
|
case VK_NUMLOCK:
|
|
case VK_SCROLL: // SCROLL LOCK
|
|
case VK_ATTN: // Attension key of IBM midrange computers, e.g., AS/400
|
|
case VK_CRSEL: // Cursor Selection
|
|
case VK_EXSEL: // Extend Selection
|
|
case VK_EREOF: // Erase EOF key of IBM 3270 keyboard layout
|
|
case VK_PLAY:
|
|
case VK_ZOOM:
|
|
case VK_PA1: // PA1 key of IBM 3270 keyboard layout
|
|
return uint32_t(aNativeKeyCode);
|
|
|
|
case VK_HELP:
|
|
return NS_VK_HELP;
|
|
|
|
// Windows key should be mapped to a Win keycode
|
|
// They should be able to be distinguished by DOM3 KeyboardEvent.location
|
|
case VK_LWIN:
|
|
case VK_RWIN:
|
|
return NS_VK_WIN;
|
|
|
|
case VK_VOLUME_MUTE:
|
|
return NS_VK_VOLUME_MUTE;
|
|
case VK_VOLUME_DOWN:
|
|
return NS_VK_VOLUME_DOWN;
|
|
case VK_VOLUME_UP:
|
|
return NS_VK_VOLUME_UP;
|
|
|
|
// Following keycodes are not defined in our DOM keycodes.
|
|
case VK_BROWSER_BACK:
|
|
case VK_BROWSER_FORWARD:
|
|
case VK_BROWSER_REFRESH:
|
|
case VK_BROWSER_STOP:
|
|
case VK_BROWSER_SEARCH:
|
|
case VK_BROWSER_FAVORITES:
|
|
case VK_BROWSER_HOME:
|
|
case VK_MEDIA_NEXT_TRACK:
|
|
case VK_MEDIA_PREV_TRACK:
|
|
case VK_MEDIA_STOP:
|
|
case VK_MEDIA_PLAY_PAUSE:
|
|
case VK_LAUNCH_MAIL:
|
|
case VK_LAUNCH_MEDIA_SELECT:
|
|
case VK_LAUNCH_APP1:
|
|
case VK_LAUNCH_APP2:
|
|
return 0;
|
|
|
|
// Following OEM specific virtual keycodes should pass through DOM keyCode
|
|
// for compatibility with the other browsers on Windows.
|
|
|
|
// Following OEM specific virtual keycodes are defined for Fujitsu/OASYS.
|
|
case VK_OEM_FJ_JISHO:
|
|
case VK_OEM_FJ_MASSHOU:
|
|
case VK_OEM_FJ_TOUROKU:
|
|
case VK_OEM_FJ_LOYA:
|
|
case VK_OEM_FJ_ROYA:
|
|
// Not sure what means "ICO".
|
|
case VK_ICO_HELP:
|
|
case VK_ICO_00:
|
|
case VK_ICO_CLEAR:
|
|
// Following OEM specific virtual keycodes are defined for Nokia/Ericsson.
|
|
case VK_OEM_RESET:
|
|
case VK_OEM_JUMP:
|
|
case VK_OEM_PA1:
|
|
case VK_OEM_PA2:
|
|
case VK_OEM_PA3:
|
|
case VK_OEM_WSCTRL:
|
|
case VK_OEM_CUSEL:
|
|
case VK_OEM_ATTN:
|
|
case VK_OEM_FINISH:
|
|
case VK_OEM_COPY:
|
|
case VK_OEM_AUTO:
|
|
case VK_OEM_ENLW:
|
|
case VK_OEM_BACKTAB:
|
|
// VK_OEM_CLEAR is defined as not OEM specific, but let's pass though
|
|
// DOM keyCode like other OEM specific virtual keycodes.
|
|
case VK_OEM_CLEAR:
|
|
return uint32_t(aNativeKeyCode);
|
|
|
|
// 0xE1 is an OEM specific virtual keycode. However, the value is already
|
|
// used in our DOM keyCode for AltGr on Linux. So, this virtual keycode
|
|
// cannot pass through DOM keyCode.
|
|
case 0xE1:
|
|
return 0;
|
|
|
|
// Following keycodes are OEM keys which are keycodes for non-alphabet and
|
|
// non-numeric keys, we should compute each keycode of them from unshifted
|
|
// character which is inputted by each key. But if the unshifted character
|
|
// is not an ASCII character but shifted character is an ASCII character,
|
|
// we should refer it.
|
|
case VK_OEM_1:
|
|
case VK_OEM_PLUS:
|
|
case VK_OEM_COMMA:
|
|
case VK_OEM_MINUS:
|
|
case VK_OEM_PERIOD:
|
|
case VK_OEM_2:
|
|
case VK_OEM_3:
|
|
case VK_OEM_4:
|
|
case VK_OEM_5:
|
|
case VK_OEM_6:
|
|
case VK_OEM_7:
|
|
case VK_OEM_8:
|
|
case VK_OEM_102:
|
|
case VK_ABNT_C1:
|
|
{
|
|
NS_ASSERTION(IsPrintableCharKey(aNativeKeyCode),
|
|
"The key must be printable");
|
|
ModifierKeyState modKeyState(0);
|
|
UniCharsAndModifiers uniChars =
|
|
GetUniCharsAndModifiers(aNativeKeyCode, modKeyState);
|
|
if (uniChars.mLength != 1 ||
|
|
uniChars.mChars[0] < ' ' || uniChars.mChars[0] > 0x7F) {
|
|
modKeyState.Set(MODIFIER_SHIFT);
|
|
uniChars = GetUniCharsAndModifiers(aNativeKeyCode, modKeyState);
|
|
if (uniChars.mLength != 1 ||
|
|
uniChars.mChars[0] < ' ' || uniChars.mChars[0] > 0x7F) {
|
|
return 0;
|
|
}
|
|
}
|
|
return WidgetUtils::ComputeKeyCodeFromChar(uniChars.mChars[0]);
|
|
}
|
|
|
|
// IE sets 0xC2 to the DOM keyCode for VK_ABNT_C2. However, we're already
|
|
// using NS_VK_SEPARATOR for the separator key on Mac and Linux. Therefore,
|
|
// We should keep consistency between Gecko on all platforms rather than
|
|
// with other browsers since a lot of keyCode values are already different
|
|
// between browsers.
|
|
case VK_ABNT_C2:
|
|
return NS_VK_SEPARATOR;
|
|
|
|
// VK_PROCESSKEY means IME already consumed the key event.
|
|
case VK_PROCESSKEY:
|
|
return 0;
|
|
// VK_PACKET is generated by SendInput() API, we don't need to
|
|
// care this message as key event.
|
|
case VK_PACKET:
|
|
return 0;
|
|
// If a key is not mapped to a virtual keycode, 0xFF is used.
|
|
case 0xFF:
|
|
NS_WARNING("The key is failed to be converted to a virtual keycode");
|
|
return 0;
|
|
}
|
|
#ifdef DEBUG
|
|
nsPrintfCString warning("Unknown virtual keycode (0x%08X), please check the "
|
|
"latest MSDN document, there may be some new "
|
|
"keycodes we've never known.",
|
|
aNativeKeyCode);
|
|
NS_WARNING(warning.get());
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
KeyNameIndex
|
|
KeyboardLayout::ConvertNativeKeyCodeToKeyNameIndex(uint8_t aVirtualKey) const
|
|
{
|
|
if (IsPrintableCharKey(aVirtualKey)) {
|
|
return KEY_NAME_INDEX_USE_STRING;
|
|
}
|
|
|
|
switch (aVirtualKey) {
|
|
|
|
#undef NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
#define NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex) \
|
|
case aNativeKey: return aKeyNameIndex;
|
|
|
|
#include "NativeKeyToDOMKeyName.h"
|
|
|
|
#undef NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
HKL layout = GetLayout();
|
|
WORD langID = LOWORD(static_cast<HKL>(layout));
|
|
WORD primaryLangID = PRIMARYLANGID(langID);
|
|
|
|
if (primaryLangID == LANG_JAPANESE) {
|
|
switch (aVirtualKey) {
|
|
|
|
#undef NS_JAPANESE_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
#define NS_JAPANESE_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex)\
|
|
case aNativeKey: return aKeyNameIndex;
|
|
|
|
#include "NativeKeyToDOMKeyName.h"
|
|
|
|
#undef NS_JAPANESE_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
|
|
default:
|
|
break;
|
|
}
|
|
} else if (primaryLangID == LANG_KOREAN) {
|
|
switch (aVirtualKey) {
|
|
|
|
#undef NS_KOREAN_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
#define NS_KOREAN_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex)\
|
|
case aNativeKey: return aKeyNameIndex;
|
|
|
|
#include "NativeKeyToDOMKeyName.h"
|
|
|
|
#undef NS_KOREAN_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
|
|
default:
|
|
return KEY_NAME_INDEX_Unidentified;
|
|
}
|
|
}
|
|
|
|
switch (aVirtualKey) {
|
|
|
|
#undef NS_OTHER_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
#define NS_OTHER_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex)\
|
|
case aNativeKey: return aKeyNameIndex;
|
|
|
|
#include "NativeKeyToDOMKeyName.h"
|
|
|
|
#undef NS_OTHER_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
|
|
default:
|
|
return KEY_NAME_INDEX_Unidentified;
|
|
}
|
|
}
|
|
|
|
// static
|
|
CodeNameIndex
|
|
KeyboardLayout::ConvertScanCodeToCodeNameIndex(UINT aScanCode)
|
|
{
|
|
switch (aScanCode) {
|
|
|
|
#define NS_NATIVE_KEY_TO_DOM_CODE_NAME_INDEX(aNativeKey, aCodeNameIndex) \
|
|
case aNativeKey: return aCodeNameIndex;
|
|
|
|
#include "NativeKeyToDOMCodeName.h"
|
|
|
|
#undef NS_NATIVE_KEY_TO_DOM_CODE_NAME_INDEX
|
|
|
|
default:
|
|
return CODE_NAME_INDEX_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
KeyboardLayout::SynthesizeNativeKeyEvent(nsWindowBase* aWidget,
|
|
int32_t aNativeKeyboardLayout,
|
|
int32_t aNativeKeyCode,
|
|
uint32_t aModifierFlags,
|
|
const nsAString& aCharacters,
|
|
const nsAString& aUnmodifiedCharacters)
|
|
{
|
|
UINT keyboardLayoutListCount = ::GetKeyboardLayoutList(0, nullptr);
|
|
NS_ASSERTION(keyboardLayoutListCount > 0,
|
|
"One keyboard layout must be installed at least");
|
|
HKL keyboardLayoutListBuff[50];
|
|
HKL* keyboardLayoutList =
|
|
keyboardLayoutListCount < 50 ? keyboardLayoutListBuff :
|
|
new HKL[keyboardLayoutListCount];
|
|
keyboardLayoutListCount =
|
|
::GetKeyboardLayoutList(keyboardLayoutListCount, keyboardLayoutList);
|
|
NS_ASSERTION(keyboardLayoutListCount > 0,
|
|
"Failed to get all keyboard layouts installed on the system");
|
|
|
|
nsPrintfCString layoutName("%08x", aNativeKeyboardLayout);
|
|
HKL loadedLayout = LoadKeyboardLayoutA(layoutName.get(), KLF_NOTELLSHELL);
|
|
if (loadedLayout == nullptr) {
|
|
if (keyboardLayoutListBuff != keyboardLayoutList) {
|
|
delete [] keyboardLayoutList;
|
|
}
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
// Setup clean key state and load desired layout
|
|
BYTE originalKbdState[256];
|
|
::GetKeyboardState(originalKbdState);
|
|
BYTE kbdState[256];
|
|
memset(kbdState, 0, sizeof(kbdState));
|
|
// This changes the state of the keyboard for the current thread only,
|
|
// and we'll restore it soon, so this should be OK.
|
|
::SetKeyboardState(kbdState);
|
|
|
|
OverrideLayout(loadedLayout);
|
|
|
|
uint8_t argumentKeySpecific = 0;
|
|
switch (aNativeKeyCode) {
|
|
case VK_SHIFT:
|
|
aModifierFlags &= ~(nsIWidget::SHIFT_L | nsIWidget::SHIFT_R);
|
|
argumentKeySpecific = VK_LSHIFT;
|
|
break;
|
|
case VK_LSHIFT:
|
|
aModifierFlags &= ~nsIWidget::SHIFT_L;
|
|
argumentKeySpecific = aNativeKeyCode;
|
|
aNativeKeyCode = VK_SHIFT;
|
|
break;
|
|
case VK_RSHIFT:
|
|
aModifierFlags &= ~nsIWidget::SHIFT_R;
|
|
argumentKeySpecific = aNativeKeyCode;
|
|
aNativeKeyCode = VK_SHIFT;
|
|
break;
|
|
case VK_CONTROL:
|
|
aModifierFlags &= ~(nsIWidget::CTRL_L | nsIWidget::CTRL_R);
|
|
argumentKeySpecific = VK_LCONTROL;
|
|
break;
|
|
case VK_LCONTROL:
|
|
aModifierFlags &= ~nsIWidget::CTRL_L;
|
|
argumentKeySpecific = aNativeKeyCode;
|
|
aNativeKeyCode = VK_CONTROL;
|
|
break;
|
|
case VK_RCONTROL:
|
|
aModifierFlags &= ~nsIWidget::CTRL_R;
|
|
argumentKeySpecific = aNativeKeyCode;
|
|
aNativeKeyCode = VK_CONTROL;
|
|
break;
|
|
case VK_MENU:
|
|
aModifierFlags &= ~(nsIWidget::ALT_L | nsIWidget::ALT_R);
|
|
argumentKeySpecific = VK_LMENU;
|
|
break;
|
|
case VK_LMENU:
|
|
aModifierFlags &= ~nsIWidget::ALT_L;
|
|
argumentKeySpecific = aNativeKeyCode;
|
|
aNativeKeyCode = VK_MENU;
|
|
break;
|
|
case VK_RMENU:
|
|
aModifierFlags &= ~nsIWidget::ALT_R;
|
|
argumentKeySpecific = aNativeKeyCode;
|
|
aNativeKeyCode = VK_MENU;
|
|
break;
|
|
case VK_CAPITAL:
|
|
aModifierFlags &= ~nsIWidget::CAPS_LOCK;
|
|
argumentKeySpecific = VK_CAPITAL;
|
|
break;
|
|
case VK_NUMLOCK:
|
|
aModifierFlags &= ~nsIWidget::NUM_LOCK;
|
|
argumentKeySpecific = VK_NUMLOCK;
|
|
break;
|
|
}
|
|
|
|
AutoTArray<KeyPair,10> keySequence;
|
|
WinUtils::SetupKeyModifiersSequence(&keySequence, aModifierFlags);
|
|
NS_ASSERTION(aNativeKeyCode >= 0 && aNativeKeyCode < 256,
|
|
"Native VK key code out of range");
|
|
keySequence.AppendElement(KeyPair(aNativeKeyCode, argumentKeySpecific));
|
|
|
|
// Simulate the pressing of each modifier key and then the real key
|
|
for (uint32_t i = 0; i < keySequence.Length(); ++i) {
|
|
uint8_t key = keySequence[i].mGeneral;
|
|
uint8_t keySpecific = keySequence[i].mSpecific;
|
|
kbdState[key] = 0x81; // key is down and toggled on if appropriate
|
|
if (keySpecific) {
|
|
kbdState[keySpecific] = 0x81;
|
|
}
|
|
::SetKeyboardState(kbdState);
|
|
ModifierKeyState modKeyState;
|
|
UINT scanCode =
|
|
ComputeScanCodeForVirtualKeyCode(keySpecific ? keySpecific : key);
|
|
LPARAM lParam = static_cast<LPARAM>(scanCode << 16);
|
|
// Add extended key flag to the lParam for right control key and right alt
|
|
// key.
|
|
if (keySpecific == VK_RCONTROL || keySpecific == VK_RMENU) {
|
|
lParam |= 0x1000000;
|
|
}
|
|
MSG keyDownMsg = WinUtils::InitMSG(WM_KEYDOWN, key, lParam,
|
|
aWidget->GetWindowHandle());
|
|
if (i == keySequence.Length() - 1) {
|
|
bool makeDeadCharMsg =
|
|
(IsDeadKey(key, modKeyState) && aCharacters.IsEmpty());
|
|
nsAutoString chars(aCharacters);
|
|
if (makeDeadCharMsg) {
|
|
UniCharsAndModifiers deadChars =
|
|
GetUniCharsAndModifiers(key, modKeyState);
|
|
chars = deadChars.ToString();
|
|
NS_ASSERTION(chars.Length() == 1,
|
|
"Dead char must be only one character");
|
|
}
|
|
if (chars.IsEmpty()) {
|
|
NativeKey nativeKey(aWidget, keyDownMsg, modKeyState);
|
|
nativeKey.HandleKeyDownMessage();
|
|
} else {
|
|
AutoTArray<NativeKey::FakeCharMsg, 10> fakeCharMsgs;
|
|
for (uint32_t j = 0; j < chars.Length(); j++) {
|
|
NativeKey::FakeCharMsg* fakeCharMsg = fakeCharMsgs.AppendElement();
|
|
fakeCharMsg->mCharCode = chars.CharAt(j);
|
|
fakeCharMsg->mScanCode = scanCode;
|
|
fakeCharMsg->mIsDeadKey = makeDeadCharMsg;
|
|
}
|
|
NativeKey nativeKey(aWidget, keyDownMsg, modKeyState, &fakeCharMsgs);
|
|
bool dispatched;
|
|
nativeKey.HandleKeyDownMessage(&dispatched);
|
|
// If some char messages are not consumed, let's emulate the widget
|
|
// receiving the message directly.
|
|
for (uint32_t j = 1; j < fakeCharMsgs.Length(); j++) {
|
|
if (fakeCharMsgs[j].mConsumed) {
|
|
continue;
|
|
}
|
|
MSG charMsg = fakeCharMsgs[j].GetCharMsg(aWidget->GetWindowHandle());
|
|
NativeKey nativeKey(aWidget, charMsg, modKeyState);
|
|
nativeKey.HandleCharMessage(charMsg);
|
|
}
|
|
}
|
|
} else {
|
|
NativeKey nativeKey(aWidget, keyDownMsg, modKeyState);
|
|
nativeKey.HandleKeyDownMessage();
|
|
}
|
|
}
|
|
for (uint32_t i = keySequence.Length(); i > 0; --i) {
|
|
uint8_t key = keySequence[i - 1].mGeneral;
|
|
uint8_t keySpecific = keySequence[i - 1].mSpecific;
|
|
kbdState[key] = 0; // key is up and toggled off if appropriate
|
|
if (keySpecific) {
|
|
kbdState[keySpecific] = 0;
|
|
}
|
|
::SetKeyboardState(kbdState);
|
|
ModifierKeyState modKeyState;
|
|
UINT scanCode =
|
|
ComputeScanCodeForVirtualKeyCode(keySpecific ? keySpecific : key);
|
|
LPARAM lParam = static_cast<LPARAM>(scanCode << 16);
|
|
// Add extended key flag to the lParam for right control key and right alt
|
|
// key.
|
|
if (keySpecific == VK_RCONTROL || keySpecific == VK_RMENU) {
|
|
lParam |= 0x1000000;
|
|
}
|
|
MSG keyUpMsg = WinUtils::InitMSG(WM_KEYUP, key, lParam,
|
|
aWidget->GetWindowHandle());
|
|
NativeKey nativeKey(aWidget, keyUpMsg, modKeyState);
|
|
nativeKey.HandleKeyUpMessage();
|
|
}
|
|
|
|
// Restore old key state and layout
|
|
::SetKeyboardState(originalKbdState);
|
|
RestoreLayout();
|
|
|
|
// Don't unload the layout if it's installed actually.
|
|
for (uint32_t i = 0; i < keyboardLayoutListCount; i++) {
|
|
if (keyboardLayoutList[i] == loadedLayout) {
|
|
loadedLayout = 0;
|
|
break;
|
|
}
|
|
}
|
|
if (keyboardLayoutListBuff != keyboardLayoutList) {
|
|
delete [] keyboardLayoutList;
|
|
}
|
|
if (loadedLayout) {
|
|
::UnloadKeyboardLayout(loadedLayout);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* mozilla::widget::DeadKeyTable
|
|
*****************************************************************************/
|
|
|
|
char16_t
|
|
DeadKeyTable::GetCompositeChar(char16_t aBaseChar) const
|
|
{
|
|
// Dead-key table is sorted by BaseChar in ascending order.
|
|
// Usually they are too small to use binary search.
|
|
|
|
for (uint32_t index = 0; index < mEntries; index++) {
|
|
if (mTable[index].BaseChar == aBaseChar) {
|
|
return mTable[index].CompositeChar;
|
|
}
|
|
if (mTable[index].BaseChar > aBaseChar) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* mozilla::widget::RedirectedKeyDownMessage
|
|
*****************************************************************************/
|
|
|
|
MSG RedirectedKeyDownMessageManager::sRedirectedKeyDownMsg;
|
|
bool RedirectedKeyDownMessageManager::sDefaultPreventedOfRedirectedMsg = false;
|
|
|
|
// static
|
|
bool
|
|
RedirectedKeyDownMessageManager::IsRedirectedMessage(const MSG& aMsg)
|
|
{
|
|
return (aMsg.message == WM_KEYDOWN || aMsg.message == WM_SYSKEYDOWN) &&
|
|
(sRedirectedKeyDownMsg.message == aMsg.message &&
|
|
WinUtils::GetScanCode(sRedirectedKeyDownMsg.lParam) ==
|
|
WinUtils::GetScanCode(aMsg.lParam));
|
|
}
|
|
|
|
// static
|
|
void
|
|
RedirectedKeyDownMessageManager::RemoveNextCharMessage(HWND aWnd)
|
|
{
|
|
MSG msg;
|
|
if (WinUtils::PeekMessage(&msg, aWnd, WM_KEYFIRST, WM_KEYLAST,
|
|
PM_NOREMOVE | PM_NOYIELD) &&
|
|
(msg.message == WM_CHAR || msg.message == WM_SYSCHAR)) {
|
|
WinUtils::PeekMessage(&msg, aWnd, msg.message, msg.message,
|
|
PM_REMOVE | PM_NOYIELD);
|
|
}
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|
|
|