зеркало из https://github.com/electron/electron.git
209 строки
7.0 KiB
C++
209 строки
7.0 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include <string>
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#include "atom/common/keyboard_util.h"
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#include "base/strings/string_number_conversions.h"
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#include "base/strings/string_util.h"
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#include "third_party/WebKit/public/platform/WebInputEvent.h"
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#include "ui/events/event_constants.h"
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namespace atom {
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namespace {
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// Return key code of the char, and also determine whether the SHIFT key is
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// pressed.
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ui::KeyboardCode KeyboardCodeFromCharCode(base::char16 c, bool* shifted) {
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c = base::ToLowerASCII(c);
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*shifted = false;
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switch (c) {
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case 0x08: return ui::VKEY_BACK;
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case 0x7F: return ui::VKEY_DELETE;
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case 0x09: return ui::VKEY_TAB;
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case 0x0D: return ui::VKEY_RETURN;
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case 0x1B: return ui::VKEY_ESCAPE;
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case ' ': return ui::VKEY_SPACE;
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case 'a': return ui::VKEY_A;
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case 'b': return ui::VKEY_B;
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case 'c': return ui::VKEY_C;
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case 'd': return ui::VKEY_D;
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case 'e': return ui::VKEY_E;
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case 'f': return ui::VKEY_F;
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case 'g': return ui::VKEY_G;
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case 'h': return ui::VKEY_H;
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case 'i': return ui::VKEY_I;
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case 'j': return ui::VKEY_J;
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case 'k': return ui::VKEY_K;
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case 'l': return ui::VKEY_L;
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case 'm': return ui::VKEY_M;
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case 'n': return ui::VKEY_N;
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case 'o': return ui::VKEY_O;
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case 'p': return ui::VKEY_P;
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case 'q': return ui::VKEY_Q;
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case 'r': return ui::VKEY_R;
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case 's': return ui::VKEY_S;
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case 't': return ui::VKEY_T;
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case 'u': return ui::VKEY_U;
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case 'v': return ui::VKEY_V;
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case 'w': return ui::VKEY_W;
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case 'x': return ui::VKEY_X;
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case 'y': return ui::VKEY_Y;
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case 'z': return ui::VKEY_Z;
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case ')': *shifted = true; case '0': return ui::VKEY_0;
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case '!': *shifted = true; case '1': return ui::VKEY_1;
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case '@': *shifted = true; case '2': return ui::VKEY_2;
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case '#': *shifted = true; case '3': return ui::VKEY_3;
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case '$': *shifted = true; case '4': return ui::VKEY_4;
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case '%': *shifted = true; case '5': return ui::VKEY_5;
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case '^': *shifted = true; case '6': return ui::VKEY_6;
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case '&': *shifted = true; case '7': return ui::VKEY_7;
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case '*': *shifted = true; case '8': return ui::VKEY_8;
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case '(': *shifted = true; case '9': return ui::VKEY_9;
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case ':': *shifted = true; case ';': return ui::VKEY_OEM_1;
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case '+': *shifted = true; case '=': return ui::VKEY_OEM_PLUS;
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case '<': *shifted = true; case ',': return ui::VKEY_OEM_COMMA;
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case '_': *shifted = true; case '-': return ui::VKEY_OEM_MINUS;
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case '>': *shifted = true; case '.': return ui::VKEY_OEM_PERIOD;
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case '?': *shifted = true; case '/': return ui::VKEY_OEM_2;
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case '~': *shifted = true; case '`': return ui::VKEY_OEM_3;
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case '{': *shifted = true; case '[': return ui::VKEY_OEM_4;
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case '|': *shifted = true; case '\\': return ui::VKEY_OEM_5;
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case '}': *shifted = true; case ']': return ui::VKEY_OEM_6;
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case '"': *shifted = true; case '\'': return ui::VKEY_OEM_7;
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default: return ui::VKEY_UNKNOWN;
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}
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}
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// Return key code represented by |str|.
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ui::KeyboardCode KeyboardCodeFromKeyIdentifier(const std::string& s,
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bool* shifted) {
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std::string str = base::ToLowerASCII(s);
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if (str == "ctrl" || str == "control") {
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return ui::VKEY_CONTROL;
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} else if (str == "super" || str == "cmd" || str == "command" ||
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str == "meta") {
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return ui::VKEY_COMMAND;
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} else if (str == "commandorcontrol" || str == "cmdorctrl") {
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#if defined(OS_MACOSX)
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return ui::VKEY_COMMAND;
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#else
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return ui::VKEY_CONTROL;
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#endif
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} else if (str == "alt" || str == "option") {
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return ui::VKEY_MENU;
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} else if (str == "shift") {
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return ui::VKEY_SHIFT;
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} else if (str == "altgr") {
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return ui::VKEY_ALTGR;
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} else if (str == "plus") {
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*shifted = true;
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return ui::VKEY_OEM_PLUS;
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} else if (str == "tab") {
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return ui::VKEY_TAB;
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} else if (str == "space") {
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return ui::VKEY_SPACE;
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} else if (str == "backspace") {
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return ui::VKEY_BACK;
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} else if (str == "delete") {
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return ui::VKEY_DELETE;
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} else if (str == "insert") {
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return ui::VKEY_INSERT;
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} else if (str == "enter" || str == "return") {
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return ui::VKEY_RETURN;
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} else if (str == "up") {
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return ui::VKEY_UP;
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} else if (str == "down") {
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return ui::VKEY_DOWN;
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} else if (str == "left") {
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return ui::VKEY_LEFT;
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} else if (str == "right") {
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return ui::VKEY_RIGHT;
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} else if (str == "home") {
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return ui::VKEY_HOME;
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} else if (str == "end") {
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return ui::VKEY_END;
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} else if (str == "pageup") {
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return ui::VKEY_PRIOR;
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} else if (str == "pagedown") {
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return ui::VKEY_NEXT;
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} else if (str == "esc" || str == "escape") {
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return ui::VKEY_ESCAPE;
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} else if (str == "volumemute") {
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return ui::VKEY_VOLUME_MUTE;
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} else if (str == "volumeup") {
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return ui::VKEY_VOLUME_UP;
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} else if (str == "volumedown") {
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return ui::VKEY_VOLUME_DOWN;
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} else if (str == "medianexttrack") {
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return ui::VKEY_MEDIA_NEXT_TRACK;
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} else if (str == "mediaprevioustrack") {
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return ui::VKEY_MEDIA_PREV_TRACK;
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} else if (str == "mediastop") {
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return ui::VKEY_MEDIA_STOP;
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} else if (str == "mediaplaypause") {
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return ui::VKEY_MEDIA_PLAY_PAUSE;
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} else if (str == "printscreen") {
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return ui::VKEY_SNAPSHOT;
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} else if (str.size() > 1 && str[0] == 'f') {
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// F1 - F24.
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int n;
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if (base::StringToInt(str.c_str() + 1, &n) && n > 0 && n < 25) {
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return static_cast<ui::KeyboardCode>(ui::VKEY_F1 + n - 1);
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} else {
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LOG(WARNING) << str << "is not available on keyboard";
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return ui::VKEY_UNKNOWN;
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}
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} else {
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if (str.size() > 2)
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LOG(WARNING) << "Invalid accelerator token: " << str;
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return ui::VKEY_UNKNOWN;
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}
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}
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} // namespace
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ui::KeyboardCode KeyboardCodeFromStr(const std::string& str, bool* shifted) {
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if (str.size() == 1)
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return KeyboardCodeFromCharCode(str[0], shifted);
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else
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return KeyboardCodeFromKeyIdentifier(str, shifted);
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}
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int WebEventModifiersToEventFlags(int modifiers) {
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int flags = 0;
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if (modifiers & blink::WebInputEvent::ShiftKey)
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flags |= ui::EF_SHIFT_DOWN;
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if (modifiers & blink::WebInputEvent::ControlKey)
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flags |= ui::EF_CONTROL_DOWN;
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if (modifiers & blink::WebInputEvent::AltKey)
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flags |= ui::EF_ALT_DOWN;
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if (modifiers & blink::WebInputEvent::MetaKey)
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flags |= ui::EF_COMMAND_DOWN;
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if (modifiers & blink::WebInputEvent::CapsLockOn)
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flags |= ui::EF_CAPS_LOCK_ON;
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if (modifiers & blink::WebInputEvent::NumLockOn)
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flags |= ui::EF_NUM_LOCK_ON;
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if (modifiers & blink::WebInputEvent::ScrollLockOn)
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flags |= ui::EF_SCROLL_LOCK_ON;
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if (modifiers & blink::WebInputEvent::LeftButtonDown)
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flags |= ui::EF_LEFT_MOUSE_BUTTON;
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if (modifiers & blink::WebInputEvent::MiddleButtonDown)
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flags |= ui::EF_MIDDLE_MOUSE_BUTTON;
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if (modifiers & blink::WebInputEvent::RightButtonDown)
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flags |= ui::EF_RIGHT_MOUSE_BUTTON;
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if (modifiers & blink::WebInputEvent::IsAutoRepeat)
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flags |= ui::EF_IS_REPEAT;
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return flags;
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}
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} // namespace atom
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