gecko-dev/widget/windows/nsLookAndFeel.cpp

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C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsLookAndFeel.h"
#include <windows.h>
#include <shellapi.h>
#include "nsStyleConsts.h"
#include "nsUXThemeData.h"
#include "nsUXThemeConstants.h"
#include "gfxFont.h"
#include "gfxWindowsPlatform.h"
#include "WinUtils.h"
#include "mozilla/Telemetry.h"
using namespace mozilla::widget;
using mozilla::LookAndFeel;
static nsresult GetColorFromTheme(nsUXThemeClass cls,
int32_t aPart,
int32_t aState,
int32_t aPropId,
nscolor &aColor)
{
COLORREF color;
HRESULT hr = GetThemeColor(nsUXThemeData::GetTheme(cls), aPart, aState, aPropId, &color);
if (hr == S_OK)
{
aColor = COLOREF_2_NSRGB(color);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
static int32_t GetSystemParam(long flag, int32_t def)
{
DWORD value;
return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
}
namespace mozilla {
namespace widget {
// This is in use here and in nsDOMTouchEvent.cpp
int32_t IsTouchDeviceSupportPresent()
{
int32_t touchCapabilities;
touchCapabilities = ::GetSystemMetrics(SM_DIGITIZER);
return ((touchCapabilities & NID_READY) &&
(touchCapabilities & (NID_EXTERNAL_TOUCH | NID_INTEGRATED_TOUCH)));
}
} }
nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
{
mozilla::Telemetry::Accumulate(mozilla::Telemetry::TOUCH_ENABLED_DEVICE,
IsTouchDeviceSupportPresent());
}
nsLookAndFeel::~nsLookAndFeel()
{
}
nsresult
nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
{
nsresult res = NS_OK;
int idx;
switch (aID) {
case eColorID_WindowBackground:
idx = COLOR_WINDOW;
break;
case eColorID_WindowForeground:
idx = COLOR_WINDOWTEXT;
break;
case eColorID_WidgetBackground:
idx = COLOR_BTNFACE;
break;
case eColorID_WidgetForeground:
idx = COLOR_BTNTEXT;
break;
case eColorID_WidgetSelectBackground:
idx = COLOR_HIGHLIGHT;
break;
case eColorID_WidgetSelectForeground:
idx = COLOR_HIGHLIGHTTEXT;
break;
case eColorID_Widget3DHighlight:
idx = COLOR_BTNHIGHLIGHT;
break;
case eColorID_Widget3DShadow:
idx = COLOR_BTNSHADOW;
break;
case eColorID_TextBackground:
idx = COLOR_WINDOW;
break;
case eColorID_TextForeground:
idx = COLOR_WINDOWTEXT;
break;
case eColorID_TextSelectBackground:
case eColorID_IMESelectedRawTextBackground:
case eColorID_IMESelectedConvertedTextBackground:
idx = COLOR_HIGHLIGHT;
break;
case eColorID_TextSelectForeground:
case eColorID_IMESelectedRawTextForeground:
case eColorID_IMESelectedConvertedTextForeground:
idx = COLOR_HIGHLIGHTTEXT;
break;
case eColorID_IMERawInputBackground:
case eColorID_IMEConvertedTextBackground:
aColor = NS_TRANSPARENT;
return NS_OK;
case eColorID_IMERawInputForeground:
case eColorID_IMEConvertedTextForeground:
aColor = NS_SAME_AS_FOREGROUND_COLOR;
return NS_OK;
case eColorID_IMERawInputUnderline:
case eColorID_IMEConvertedTextUnderline:
aColor = NS_SAME_AS_FOREGROUND_COLOR;
return NS_OK;
case eColorID_IMESelectedRawTextUnderline:
case eColorID_IMESelectedConvertedTextUnderline:
aColor = NS_TRANSPARENT;
return NS_OK;
case eColorID_SpellCheckerUnderline:
aColor = NS_RGB(0xff, 0, 0);
return NS_OK;
// New CSS 2 Color definitions
case eColorID_activeborder:
idx = COLOR_ACTIVEBORDER;
break;
case eColorID_activecaption:
idx = COLOR_ACTIVECAPTION;
break;
case eColorID_appworkspace:
idx = COLOR_APPWORKSPACE;
break;
case eColorID_background:
idx = COLOR_BACKGROUND;
break;
case eColorID_buttonface:
case eColorID__moz_buttonhoverface:
idx = COLOR_BTNFACE;
break;
case eColorID_buttonhighlight:
idx = COLOR_BTNHIGHLIGHT;
break;
case eColorID_buttonshadow:
idx = COLOR_BTNSHADOW;
break;
case eColorID_buttontext:
case eColorID__moz_buttonhovertext:
idx = COLOR_BTNTEXT;
break;
case eColorID_captiontext:
idx = COLOR_CAPTIONTEXT;
break;
case eColorID_graytext:
idx = COLOR_GRAYTEXT;
break;
case eColorID_highlight:
case eColorID__moz_html_cellhighlight:
case eColorID__moz_menuhover:
idx = COLOR_HIGHLIGHT;
break;
case eColorID__moz_menubarhovertext:
if (WinUtils::GetWindowsVersion() < WinUtils::VISTA_VERSION ||
!IsAppThemed())
{
idx = nsUXThemeData::sFlatMenus ?
COLOR_HIGHLIGHTTEXT :
COLOR_MENUTEXT;
break;
}
// Fall through
case eColorID__moz_menuhovertext:
if (WinUtils::GetWindowsVersion() >= WinUtils::VISTA_VERSION &&
IsAppThemed())
{
res = ::GetColorFromTheme(eUXMenu,
MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR, aColor);
if (NS_SUCCEEDED(res))
return res;
// fall through to highlight case
}
case eColorID_highlighttext:
case eColorID__moz_html_cellhighlighttext:
idx = COLOR_HIGHLIGHTTEXT;
break;
case eColorID_inactiveborder:
idx = COLOR_INACTIVEBORDER;
break;
case eColorID_inactivecaption:
idx = COLOR_INACTIVECAPTION;
break;
case eColorID_inactivecaptiontext:
idx = COLOR_INACTIVECAPTIONTEXT;
break;
case eColorID_infobackground:
idx = COLOR_INFOBK;
break;
case eColorID_infotext:
idx = COLOR_INFOTEXT;
break;
case eColorID_menu:
idx = COLOR_MENU;
break;
case eColorID_menutext:
case eColorID__moz_menubartext:
idx = COLOR_MENUTEXT;
break;
case eColorID_scrollbar:
idx = COLOR_SCROLLBAR;
break;
case eColorID_threeddarkshadow:
idx = COLOR_3DDKSHADOW;
break;
case eColorID_threedface:
idx = COLOR_3DFACE;
break;
case eColorID_threedhighlight:
idx = COLOR_3DHIGHLIGHT;
break;
case eColorID_threedlightshadow:
idx = COLOR_3DLIGHT;
break;
case eColorID_threedshadow:
idx = COLOR_3DSHADOW;
break;
case eColorID_window:
idx = COLOR_WINDOW;
break;
case eColorID_windowframe:
idx = COLOR_WINDOWFRAME;
break;
case eColorID_windowtext:
idx = COLOR_WINDOWTEXT;
break;
case eColorID__moz_eventreerow:
case eColorID__moz_oddtreerow:
case eColorID__moz_field:
case eColorID__moz_combobox:
idx = COLOR_WINDOW;
break;
case eColorID__moz_fieldtext:
case eColorID__moz_comboboxtext:
idx = COLOR_WINDOWTEXT;
break;
case eColorID__moz_dialog:
case eColorID__moz_cellhighlight:
idx = COLOR_3DFACE;
break;
case eColorID__moz_win_mediatext:
if (WinUtils::GetWindowsVersion() >= WinUtils::VISTA_VERSION &&
IsAppThemed()) {
res = ::GetColorFromTheme(eUXMediaToolbar,
TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
if (NS_SUCCEEDED(res))
return res;
}
// if we've gotten here just return -moz-dialogtext instead
idx = COLOR_WINDOWTEXT;
break;
case eColorID__moz_win_communicationstext:
if (WinUtils::GetWindowsVersion() >= WinUtils::VISTA_VERSION &&
IsAppThemed())
{
res = ::GetColorFromTheme(eUXCommunicationsToolbar,
TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
if (NS_SUCCEEDED(res))
return res;
}
// if we've gotten here just return -moz-dialogtext instead
idx = COLOR_WINDOWTEXT;
break;
case eColorID__moz_dialogtext:
case eColorID__moz_cellhighlighttext:
idx = COLOR_WINDOWTEXT;
break;
case eColorID__moz_dragtargetzone:
idx = COLOR_HIGHLIGHTTEXT;
break;
case eColorID__moz_buttondefault:
idx = COLOR_3DDKSHADOW;
break;
case eColorID__moz_nativehyperlinktext:
idx = COLOR_HOTLIGHT;
break;
default:
idx = COLOR_WINDOW;
break;
}
DWORD color = ::GetSysColor(idx);
aColor = COLOREF_2_NSRGB(color);
return res;
}
nsresult
nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
{
nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
if (NS_SUCCEEDED(res))
return res;
res = NS_OK;
switch (aID) {
case eIntID_CaretBlinkTime:
aResult = (int32_t)::GetCaretBlinkTime();
break;
case eIntID_CaretWidth:
aResult = 1;
break;
case eIntID_ShowCaretDuringSelection:
aResult = 0;
break;
case eIntID_SelectTextfieldsOnKeyFocus:
// Select textfield content when focused by kbd
// used by nsEventStateManager::sTextfieldSelectModel
aResult = 1;
break;
case eIntID_SubmenuDelay:
// This will default to the Windows' default
// (400ms) on error.
aResult = GetSystemParam(SPI_GETMENUSHOWDELAY, 400);
break;
case eIntID_TooltipDelay:
aResult = 500;
break;
case eIntID_MenusCanOverlapOSBar:
// we want XUL popups to be able to overlap the task bar.
aResult = 1;
break;
case eIntID_DragThresholdX:
// The system metric is the number of pixels at which a drag should
// start. Our look and feel metric is the number of pixels you can
// move before starting a drag, so subtract 1.
aResult = ::GetSystemMetrics(SM_CXDRAG) - 1;
break;
case eIntID_DragThresholdY:
aResult = ::GetSystemMetrics(SM_CYDRAG) - 1;
break;
case eIntID_UseAccessibilityTheme:
// High contrast is a misnomer under Win32 -- any theme can be used with it,
// e.g. normal contrast with large fonts, low contrast, etc.
// The high contrast flag really means -- use this theme and don't override it.
HIGHCONTRAST contrastThemeInfo;
contrastThemeInfo.cbSize = sizeof(contrastThemeInfo);
::SystemParametersInfo(SPI_GETHIGHCONTRAST, 0, &contrastThemeInfo, 0);
aResult = ((contrastThemeInfo.dwFlags & HCF_HIGHCONTRASTON) != 0);
break;
case eIntID_ScrollArrowStyle:
aResult = eScrollArrowStyle_Single;
break;
case eIntID_ScrollSliderStyle:
aResult = eScrollThumbStyle_Proportional;
break;
case eIntID_TreeOpenDelay:
aResult = 1000;
break;
case eIntID_TreeCloseDelay:
aResult = 0;
break;
case eIntID_TreeLazyScrollDelay:
aResult = 150;
break;
case eIntID_TreeScrollDelay:
aResult = 100;
break;
case eIntID_TreeScrollLinesMax:
aResult = 3;
break;
case eIntID_WindowsClassic:
aResult = !IsAppThemed();
break;
case eIntID_TouchEnabled:
aResult = IsTouchDeviceSupportPresent();
break;
case eIntID_WindowsDefaultTheme:
aResult = nsUXThemeData::IsDefaultWindowTheme();
break;
case eIntID_WindowsThemeIdentifier:
aResult = nsUXThemeData::GetNativeThemeId();
break;
case eIntID_OperatingSystemVersionIdentifier:
{
switch(WinUtils::GetWindowsVersion()) {
case WinUtils::WINXP_VERSION:
case WinUtils::WIN2K3_VERSION:
aResult = LookAndFeel::eOperatingSystemVersion_WindowsXP;
break;
case WinUtils::VISTA_VERSION:
aResult = LookAndFeel::eOperatingSystemVersion_WindowsVista;
break;
case WinUtils::WIN7_VERSION:
aResult = LookAndFeel::eOperatingSystemVersion_Windows7;
break;
case WinUtils::WIN8_VERSION:
aResult = LookAndFeel::eOperatingSystemVersion_Windows8;
break;
default:
aResult = LookAndFeel::eOperatingSystemVersion_Unknown;
break;
}
break;
}
case eIntID_MacGraphiteTheme:
case eIntID_MacLionTheme:
aResult = 0;
res = NS_ERROR_NOT_IMPLEMENTED;
break;
case eIntID_DWMCompositor:
aResult = nsUXThemeData::CheckForCompositor();
break;
case eIntID_WindowsGlass:
// Aero Glass is only available prior to Windows 8 when DWM is used.
aResult = (nsUXThemeData::CheckForCompositor() &&
WinUtils::GetWindowsVersion() < WinUtils::WIN8_VERSION);
break;
case eIntID_AlertNotificationOrigin:
aResult = 0;
{
// Get task bar window handle
HWND shellWindow = FindWindowW(L"Shell_TrayWnd", NULL);
if (shellWindow != NULL)
{
// Determine position
APPBARDATA appBarData;
appBarData.hWnd = shellWindow;
appBarData.cbSize = sizeof(appBarData);
if (SHAppBarMessage(ABM_GETTASKBARPOS, &appBarData))
{
// Set alert origin as a bit field - see LookAndFeel.h
// 0 represents bottom right, sliding vertically.
switch(appBarData.uEdge)
{
case ABE_LEFT:
aResult = NS_ALERT_HORIZONTAL | NS_ALERT_LEFT;
break;
case ABE_RIGHT:
aResult = NS_ALERT_HORIZONTAL;
break;
case ABE_TOP:
aResult = NS_ALERT_TOP;
// fall through for the right-to-left handling.
case ABE_BOTTOM:
// If the task bar is right-to-left,
// move the origin to the left
if (::GetWindowLong(shellWindow, GWL_EXSTYLE) &
WS_EX_LAYOUTRTL)
aResult |= NS_ALERT_LEFT;
break;
}
}
}
}
break;
case eIntID_IMERawInputUnderlineStyle:
case eIntID_IMEConvertedTextUnderlineStyle:
aResult = NS_STYLE_TEXT_DECORATION_STYLE_DASHED;
break;
case eIntID_IMESelectedRawTextUnderlineStyle:
case eIntID_IMESelectedConvertedTextUnderline:
aResult = NS_STYLE_TEXT_DECORATION_STYLE_NONE;
break;
case eIntID_SpellCheckerUnderlineStyle:
aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
break;
case eIntID_ScrollbarButtonAutoRepeatBehavior:
aResult = 0;
break;
case eIntID_SwipeAnimationEnabled:
aResult = 0;
break;
case eIntID_UseOverlayScrollbars:
aResult = (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro);
break;
case eIntID_AllowOverlayScrollbarsOverlap:
aResult = 0;
break;
case eIntID_ScrollbarDisplayOnMouseMove:
aResult = 1;
break;
case eIntID_ScrollbarFadeBeginDelay:
aResult = 2500;
break;
case eIntID_ScrollbarFadeDuration:
aResult = 350;
break;
default:
aResult = 0;
res = NS_ERROR_FAILURE;
}
return res;
}
nsresult
nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
{
nsresult res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
if (NS_SUCCEEDED(res))
return res;
res = NS_OK;
switch (aID) {
case eFloatID_IMEUnderlineRelativeSize:
aResult = 1.0f;
break;
case eFloatID_SpellCheckerUnderlineRelativeSize:
aResult = 1.0f;
break;
default:
aResult = -1.0;
res = NS_ERROR_FAILURE;
}
return res;
}
static bool
GetSysFontInfo(HDC aHDC, LookAndFeel::FontID anID,
nsString &aFontName,
gfxFontStyle &aFontStyle)
{
LOGFONTW* ptrLogFont = NULL;
LOGFONTW logFont;
NONCLIENTMETRICSW ncm;
HGDIOBJ hGDI;
PRUnichar name[LF_FACESIZE];
// Depending on which stock font we want, there are three different
// places we might have to look it up.
switch (anID) {
case LookAndFeel::eFont_Icon:
if (!::SystemParametersInfoW(SPI_GETICONTITLELOGFONT,
sizeof(logFont), (PVOID)&logFont, 0))
return false;
ptrLogFont = &logFont;
break;
case LookAndFeel::eFont_Menu:
case LookAndFeel::eFont_MessageBox:
case LookAndFeel::eFont_SmallCaption:
case LookAndFeel::eFont_StatusBar:
case LookAndFeel::eFont_Tooltips:
ncm.cbSize = sizeof(NONCLIENTMETRICSW);
if (!::SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
sizeof(ncm), (PVOID)&ncm, 0))
return false;
switch (anID) {
case LookAndFeel::eFont_Menu:
ptrLogFont = &ncm.lfMenuFont;
break;
case LookAndFeel::eFont_MessageBox:
ptrLogFont = &ncm.lfMessageFont;
break;
case LookAndFeel::eFont_SmallCaption:
ptrLogFont = &ncm.lfSmCaptionFont;
break;
case LookAndFeel::eFont_StatusBar:
case LookAndFeel::eFont_Tooltips:
ptrLogFont = &ncm.lfStatusFont;
break;
}
break;
case LookAndFeel::eFont_Widget:
case LookAndFeel::eFont_Window: // css3
case LookAndFeel::eFont_Document:
case LookAndFeel::eFont_Workspace:
case LookAndFeel::eFont_Desktop:
case LookAndFeel::eFont_Info:
case LookAndFeel::eFont_Dialog:
case LookAndFeel::eFont_Button:
case LookAndFeel::eFont_PullDownMenu:
case LookAndFeel::eFont_List:
case LookAndFeel::eFont_Field:
case LookAndFeel::eFont_Caption:
hGDI = ::GetStockObject(DEFAULT_GUI_FONT);
if (!hGDI)
return false;
if (::GetObjectW(hGDI, sizeof(logFont), &logFont) <= 0)
return false;
ptrLogFont = &logFont;
break;
}
// Get scaling factor from physical to logical pixels
float pixelScale = 1.0f / gfxWindowsPlatform::GetPlatform()->GetDPIScale();
// The lfHeight is in pixels, and it needs to be adjusted for the
// device it will be displayed on.
// Screens and Printers will differ in DPI
//
// So this accounts for the difference in the DeviceContexts
// The pixelScale will typically be 1.0 for the screen
// (though larger for hi-dpi screens where the Windows resolution
// scale factor is 125% or 150% or even more), and could be
// any value when going to a printer, for example pixelScale is
// 6.25 when going to a 600dpi printer.
float pixelHeight = -ptrLogFont->lfHeight;
if (pixelHeight < 0) {
HFONT hFont = ::CreateFontIndirectW(ptrLogFont);
if (!hFont)
return false;
HGDIOBJ hObject = ::SelectObject(aHDC, hFont);
TEXTMETRIC tm;
::GetTextMetrics(aHDC, &tm);
::SelectObject(aHDC, hObject);
::DeleteObject(hFont);
pixelHeight = tm.tmAscent;
}
pixelHeight *= pixelScale;
// we have problem on Simplified Chinese system because the system
// report the default font size is 8 points. but if we use 8, the text
// display very ugly. force it to be at 9 points (12 pixels) on that
// system (cp936), but leave other sizes alone.
if (pixelHeight < 12 && ::GetACP() == 936)
pixelHeight = 12;
aFontStyle.size = pixelHeight;
// FIXME: What about oblique?
aFontStyle.style =
(ptrLogFont->lfItalic) ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL;
// FIXME: Other weights?
aFontStyle.weight =
(ptrLogFont->lfWeight == FW_BOLD ?
NS_FONT_WEIGHT_BOLD : NS_FONT_WEIGHT_NORMAL);
// FIXME: Set aFontStyle->stretch correctly!
aFontStyle.stretch = NS_FONT_STRETCH_NORMAL;
aFontStyle.systemFont = true;
name[0] = 0;
memcpy(name, ptrLogFont->lfFaceName, LF_FACESIZE*sizeof(PRUnichar));
aFontName = name;
return true;
}
bool
nsLookAndFeel::GetFontImpl(FontID anID, nsString &aFontName,
gfxFontStyle &aFontStyle,
float aDevPixPerCSSPixel)
{
HDC tdc = GetDC(NULL);
bool status = GetSysFontInfo(tdc, anID, aFontName, aFontStyle);
ReleaseDC(NULL, tdc);
// now convert the logical font size from GetSysFontInfo into device pixels for layout
aFontStyle.size *= aDevPixPerCSSPixel;
return status;
}
/* virtual */
PRUnichar
nsLookAndFeel::GetPasswordCharacterImpl()
{
#define UNICODE_BLACK_CIRCLE_CHAR 0x25cf
return UNICODE_BLACK_CIRCLE_CHAR;
}