зеркало из https://github.com/mozilla/gecko-dev.git
406 строки
12 KiB
C++
406 строки
12 KiB
C++
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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/ArrayUtils.h"
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#include "mozilla/WindowsVersion.h"
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#include "nsUXThemeData.h"
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#include "nsDebug.h"
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#include "nsToolkit.h"
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#include "nsUXThemeConstants.h"
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using namespace mozilla;
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using namespace mozilla::widget;
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const wchar_t
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nsUXThemeData::kThemeLibraryName[] = L"uxtheme.dll";
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HANDLE
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nsUXThemeData::sThemes[eUXNumClasses];
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HMODULE
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nsUXThemeData::sThemeDLL = nullptr;
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bool
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nsUXThemeData::sFlatMenus = false;
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bool nsUXThemeData::sTitlebarInfoPopulatedAero = false;
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bool nsUXThemeData::sTitlebarInfoPopulatedThemed = false;
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const int NUM_COMMAND_BUTTONS = 4;
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SIZE nsUXThemeData::sCommandButtons[NUM_COMMAND_BUTTONS];
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void
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nsUXThemeData::Teardown() {
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Invalidate();
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if(sThemeDLL)
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FreeLibrary(sThemeDLL);
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}
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void
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nsUXThemeData::Initialize()
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{
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::ZeroMemory(sThemes, sizeof(sThemes));
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NS_ASSERTION(!sThemeDLL, "nsUXThemeData being initialized twice!");
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CheckForCompositor(true);
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Invalidate();
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}
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void
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nsUXThemeData::Invalidate() {
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for(int i = 0; i < eUXNumClasses; i++) {
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if(sThemes[i]) {
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CloseThemeData(sThemes[i]);
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sThemes[i] = nullptr;
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}
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}
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BOOL useFlat = FALSE;
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sFlatMenus = ::SystemParametersInfo(SPI_GETFLATMENU, 0, &useFlat, 0) ?
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useFlat : false;
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}
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HANDLE
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nsUXThemeData::GetTheme(nsUXThemeClass cls) {
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NS_ASSERTION(cls < eUXNumClasses, "Invalid theme class!");
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if(!sThemes[cls])
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{
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sThemes[cls] = OpenThemeData(nullptr, GetClassName(cls));
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}
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return sThemes[cls];
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}
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HMODULE
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nsUXThemeData::GetThemeDLL() {
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if (!sThemeDLL)
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sThemeDLL = ::LoadLibraryW(kThemeLibraryName);
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return sThemeDLL;
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}
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const wchar_t *nsUXThemeData::GetClassName(nsUXThemeClass cls) {
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switch(cls) {
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case eUXButton:
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return L"Button";
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case eUXEdit:
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return L"Edit";
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case eUXTooltip:
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return L"Tooltip";
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case eUXRebar:
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return L"Rebar";
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case eUXMediaRebar:
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return L"Media::Rebar";
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case eUXCommunicationsRebar:
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return L"Communications::Rebar";
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case eUXBrowserTabBarRebar:
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return L"BrowserTabBar::Rebar";
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case eUXToolbar:
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return L"Toolbar";
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case eUXMediaToolbar:
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return L"Media::Toolbar";
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case eUXCommunicationsToolbar:
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return L"Communications::Toolbar";
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case eUXProgress:
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return L"Progress";
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case eUXTab:
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return L"Tab";
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case eUXScrollbar:
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return L"Scrollbar";
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case eUXTrackbar:
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return L"Trackbar";
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case eUXSpin:
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return L"Spin";
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case eUXStatus:
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return L"Status";
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case eUXCombobox:
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return L"Combobox";
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case eUXHeader:
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return L"Header";
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case eUXListview:
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return L"Listview";
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case eUXMenu:
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return L"Menu";
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case eUXWindowFrame:
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return L"Window";
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default:
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NS_NOTREACHED("unknown uxtheme class");
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return L"";
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}
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}
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// static
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void
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nsUXThemeData::InitTitlebarInfo()
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{
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// Pre-populate with generic metrics. These likley will not match
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// the current theme, but they insure the buttons at least show up.
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sCommandButtons[0].cx = GetSystemMetrics(SM_CXSIZE);
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sCommandButtons[0].cy = GetSystemMetrics(SM_CYSIZE);
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sCommandButtons[1].cx = sCommandButtons[2].cx = sCommandButtons[0].cx;
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sCommandButtons[1].cy = sCommandButtons[2].cy = sCommandButtons[0].cy;
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sCommandButtons[3].cx = sCommandButtons[0].cx * 3;
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sCommandButtons[3].cy = sCommandButtons[0].cy;
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// Use system metrics for pre-vista, otherwise trigger a
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// refresh on the next layout.
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sTitlebarInfoPopulatedAero = sTitlebarInfoPopulatedThemed =
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!IsVistaOrLater();
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}
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// static
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void
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nsUXThemeData::UpdateTitlebarInfo(HWND aWnd)
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{
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if (!aWnd)
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return;
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if (!sTitlebarInfoPopulatedAero && nsUXThemeData::CheckForCompositor()) {
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RECT captionButtons;
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if (SUCCEEDED(WinUtils::dwmGetWindowAttributePtr(aWnd,
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DWMWA_CAPTION_BUTTON_BOUNDS,
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&captionButtons,
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sizeof(captionButtons)))) {
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sCommandButtons[CMDBUTTONIDX_BUTTONBOX].cx = captionButtons.right - captionButtons.left - 3;
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sCommandButtons[CMDBUTTONIDX_BUTTONBOX].cy = (captionButtons.bottom - captionButtons.top) - 1;
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sTitlebarInfoPopulatedAero = true;
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}
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}
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// NB: sTitlebarInfoPopulatedThemed is always true pre-vista.
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if (sTitlebarInfoPopulatedThemed || IsWin8OrLater())
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return;
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// Query a temporary, visible window with command buttons to get
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// the right metrics.
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WNDCLASSW wc;
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wc.style = 0;
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wc.lpfnWndProc = ::DefWindowProcW;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = nsToolkit::mDllInstance;
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wc.hIcon = nullptr;
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wc.hCursor = nullptr;
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wc.hbrBackground = nullptr;
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wc.lpszMenuName = nullptr;
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wc.lpszClassName = kClassNameTemp;
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::RegisterClassW(&wc);
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// Create a transparent descendant of the window passed in. This
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// keeps the window from showing up on the desktop or the taskbar.
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// Note the parent (browser) window is usually still hidden, we
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// don't want to display it, so we can't query it directly.
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HWND hWnd = CreateWindowExW(WS_EX_LAYERED,
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kClassNameTemp, L"",
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WS_OVERLAPPEDWINDOW,
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0, 0, 0, 0, aWnd, nullptr,
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nsToolkit::mDllInstance, nullptr);
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NS_ASSERTION(hWnd, "UpdateTitlebarInfo window creation failed.");
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int showType = SW_SHOWNA;
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// We try to avoid activating this window, but on Aero basic (aero without
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// compositor) and aero lite (special theme for win server 2012/2013) we may
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// get the wrong information if the window isn't activated, so we have to:
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if (sThemeId == LookAndFeel::eWindowsTheme_AeroLite ||
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(sThemeId == LookAndFeel::eWindowsTheme_Aero && !nsUXThemeData::CheckForCompositor())) {
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showType = SW_SHOW;
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}
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ShowWindow(hWnd, showType);
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TITLEBARINFOEX info = {0};
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info.cbSize = sizeof(TITLEBARINFOEX);
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SendMessage(hWnd, WM_GETTITLEBARINFOEX, 0, (LPARAM)&info);
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DestroyWindow(hWnd);
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// Only set if we have valid data for all three buttons we use.
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if ((info.rgrect[2].right - info.rgrect[2].left) == 0 ||
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(info.rgrect[3].right - info.rgrect[3].left) == 0 ||
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(info.rgrect[5].right - info.rgrect[5].left) == 0) {
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NS_WARNING("WM_GETTITLEBARINFOEX query failed to find usable metrics.");
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return;
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}
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// minimize
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sCommandButtons[0].cx = info.rgrect[2].right - info.rgrect[2].left;
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sCommandButtons[0].cy = info.rgrect[2].bottom - info.rgrect[2].top;
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// maximize/restore
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sCommandButtons[1].cx = info.rgrect[3].right - info.rgrect[3].left;
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sCommandButtons[1].cy = info.rgrect[3].bottom - info.rgrect[3].top;
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// close
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sCommandButtons[2].cx = info.rgrect[5].right - info.rgrect[5].left;
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sCommandButtons[2].cy = info.rgrect[5].bottom - info.rgrect[5].top;
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#ifdef DEBUG
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// Verify that all values for the command buttons are positive values
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// otherwise we have cached bad values for the caption buttons
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for (int i = 0; i < NUM_COMMAND_BUTTONS; i++) {
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MOZ_ASSERT(sCommandButtons[i].cx > 0);
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MOZ_ASSERT(sCommandButtons[i].cy > 0);
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}
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#endif
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sTitlebarInfoPopulatedThemed = true;
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}
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// visual style (aero glass, aero basic)
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// theme (aero, luna, zune)
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// theme color (silver, olive, blue)
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// system colors
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struct THEMELIST {
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LPCWSTR name;
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int type;
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};
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const THEMELIST knownThemes[] = {
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{ L"aero.msstyles", WINTHEME_AERO },
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{ L"aerolite.msstyles", WINTHEME_AERO_LITE },
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{ L"luna.msstyles", WINTHEME_LUNA },
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{ L"zune.msstyles", WINTHEME_ZUNE },
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{ L"royale.msstyles", WINTHEME_ROYALE }
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};
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const THEMELIST knownColors[] = {
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{ L"normalcolor", WINTHEMECOLOR_NORMAL },
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{ L"homestead", WINTHEMECOLOR_HOMESTEAD },
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{ L"metallic", WINTHEMECOLOR_METALLIC }
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};
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LookAndFeel::WindowsTheme
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nsUXThemeData::sThemeId = LookAndFeel::eWindowsTheme_Generic;
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bool
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nsUXThemeData::sIsDefaultWindowsTheme = false;
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bool
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nsUXThemeData::sIsHighContrastOn = false;
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// static
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LookAndFeel::WindowsTheme
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nsUXThemeData::GetNativeThemeId()
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{
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return sThemeId;
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}
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// static
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bool nsUXThemeData::IsDefaultWindowTheme()
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{
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return sIsDefaultWindowsTheme;
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}
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bool nsUXThemeData::IsHighContrastOn()
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{
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return sIsHighContrastOn;
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}
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// static
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bool nsUXThemeData::CheckForCompositor(bool aUpdateCache)
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{
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static BOOL sCachedValue = FALSE;
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if (aUpdateCache && WinUtils::dwmIsCompositionEnabledPtr) {
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WinUtils::dwmIsCompositionEnabledPtr(&sCachedValue);
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}
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return sCachedValue;
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}
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// static
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void
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nsUXThemeData::UpdateNativeThemeInfo()
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{
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// Trigger a refresh of themed button metrics if needed
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sTitlebarInfoPopulatedThemed = !IsVistaOrLater();
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sIsDefaultWindowsTheme = false;
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sThemeId = LookAndFeel::eWindowsTheme_Generic;
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HIGHCONTRAST highContrastInfo;
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highContrastInfo.cbSize = sizeof(HIGHCONTRAST);
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if (SystemParametersInfo(SPI_GETHIGHCONTRAST, 0, &highContrastInfo, 0)) {
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sIsHighContrastOn = ((highContrastInfo.dwFlags & HCF_HIGHCONTRASTON) != 0);
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} else {
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sIsHighContrastOn = false;
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}
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if (!IsAppThemed()) {
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sThemeId = LookAndFeel::eWindowsTheme_Classic;
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return;
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}
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WCHAR themeFileName[MAX_PATH + 1];
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WCHAR themeColor[MAX_PATH + 1];
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if (FAILED(GetCurrentThemeName(themeFileName,
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MAX_PATH,
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themeColor,
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MAX_PATH,
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nullptr, 0))) {
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sThemeId = LookAndFeel::eWindowsTheme_Classic;
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return;
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}
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LPCWSTR themeName = wcsrchr(themeFileName, L'\\');
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themeName = themeName ? themeName + 1 : themeFileName;
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WindowsTheme theme = WINTHEME_UNRECOGNIZED;
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for (size_t i = 0; i < ArrayLength(knownThemes); ++i) {
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if (!lstrcmpiW(themeName, knownThemes[i].name)) {
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theme = (WindowsTheme)knownThemes[i].type;
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break;
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}
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}
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if (theme == WINTHEME_UNRECOGNIZED)
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return;
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// We're using the default theme if we're using any of Aero, Aero Lite, or
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// luna. However, on Win8, GetCurrentThemeName (see above) returns
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// AeroLite.msstyles for the 4 builtin highcontrast themes as well. Those
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// themes "don't count" as default themes, so we specifically check for high
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// contrast mode in that situation.
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if (!(IsWin8OrLater() && sIsHighContrastOn) &&
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(theme == WINTHEME_AERO || theme == WINTHEME_AERO_LITE || theme == WINTHEME_LUNA)) {
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sIsDefaultWindowsTheme = true;
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}
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if (theme != WINTHEME_LUNA) {
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switch(theme) {
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case WINTHEME_AERO:
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sThemeId = LookAndFeel::eWindowsTheme_Aero;
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return;
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case WINTHEME_AERO_LITE:
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sThemeId = LookAndFeel::eWindowsTheme_AeroLite;
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return;
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case WINTHEME_ZUNE:
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sThemeId = LookAndFeel::eWindowsTheme_Zune;
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return;
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case WINTHEME_ROYALE:
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sThemeId = LookAndFeel::eWindowsTheme_Royale;
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return;
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default:
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NS_WARNING("unhandled theme type.");
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return;
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}
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}
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// calculate the luna color scheme
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WindowsThemeColor color = WINTHEMECOLOR_UNRECOGNIZED;
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for (size_t i = 0; i < ArrayLength(knownColors); ++i) {
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if (!lstrcmpiW(themeColor, knownColors[i].name)) {
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color = (WindowsThemeColor)knownColors[i].type;
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break;
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}
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}
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switch(color) {
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case WINTHEMECOLOR_NORMAL:
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sThemeId = LookAndFeel::eWindowsTheme_LunaBlue;
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return;
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case WINTHEMECOLOR_HOMESTEAD:
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sThemeId = LookAndFeel::eWindowsTheme_LunaOlive;
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return;
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case WINTHEMECOLOR_METALLIC:
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sThemeId = LookAndFeel::eWindowsTheme_LunaSilver;
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return;
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default:
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NS_WARNING("unhandled theme color.");
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return;
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}
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}
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