/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* vim:expandtab:shiftwidth=4:tabstop=4: */ /* 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/. */ // for strtod() #include #include "nsLookAndFeel.h" #include #include #ifdef MOZ_PANGO #include #include #endif #include #include "gfxPlatformGtk.h" #include "gtkdrawing.h" #include "nsStyleConsts.h" #ifdef MOZ_PLATFORM_MAEMO #include "nsIServiceManager.h" #include "nsIPropertyBag2.h" #include "nsLiteralString.h" #endif using mozilla::LookAndFeel; #define GDK_COLOR_TO_NS_RGB(c) \ ((nscolor) NS_RGB(c.red>>8, c.green>>8, c.blue>>8)) nscolor nsLookAndFeel::sInfoText = 0; nscolor nsLookAndFeel::sInfoBackground = 0; nscolor nsLookAndFeel::sMenuBarText = 0; nscolor nsLookAndFeel::sMenuBarHoverText = 0; nscolor nsLookAndFeel::sMenuText = 0; nscolor nsLookAndFeel::sMenuHover = 0; nscolor nsLookAndFeel::sMenuHoverText = 0; nscolor nsLookAndFeel::sMenuBackground = 0; nscolor nsLookAndFeel::sButtonBackground = 0; nscolor nsLookAndFeel::sButtonText = 0; nscolor nsLookAndFeel::sButtonOuterLightBorder = 0; nscolor nsLookAndFeel::sButtonInnerDarkBorder = 0; nscolor nsLookAndFeel::sOddCellBackground = 0; nscolor nsLookAndFeel::sNativeHyperLinkText = 0; nscolor nsLookAndFeel::sComboBoxText = 0; nscolor nsLookAndFeel::sComboBoxBackground = 0; PRUnichar nsLookAndFeel::sInvisibleCharacter = PRUnichar('*'); float nsLookAndFeel::sCaretRatio = 0; bool nsLookAndFeel::sMenuSupportsDrag = false; nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel(), mStyle(nsnull), mDefaultFontCached(false), mButtonFontCached(false), mFieldFontCached(false), mMenuFontCached(false) { InitWidget(); static bool sInitialized = false; if (!sInitialized) { sInitialized = true; InitLookAndFeel(); } } nsLookAndFeel::~nsLookAndFeel() { g_object_unref(mStyle); } nsresult nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor) { nsresult res = NS_OK; switch (aID) { // These colors don't seem to be used for anything anymore in Mozilla // (except here at least TextSelectBackground and TextSelectForeground) // The CSS2 colors below are used. case eColorID_WindowBackground: aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]); break; case eColorID_WindowForeground: aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]); break; case eColorID_WidgetBackground: aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_WidgetForeground: aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]); break; case eColorID_WidgetSelectBackground: aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_SELECTED]); break; case eColorID_WidgetSelectForeground: aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_SELECTED]); break; case eColorID_Widget3DHighlight: aColor = NS_RGB(0xa0,0xa0,0xa0); break; case eColorID_Widget3DShadow: aColor = NS_RGB(0x40,0x40,0x40); break; case eColorID_TextBackground: // not used? aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]); break; case eColorID_TextForeground: // not used? aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]); break; case eColorID_TextSelectBackground: case eColorID_IMESelectedRawTextBackground: case eColorID_IMESelectedConvertedTextBackground: // still used aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_SELECTED]); break; case eColorID_TextSelectForeground: case eColorID_IMESelectedRawTextForeground: case eColorID_IMESelectedConvertedTextForeground: // still used aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_SELECTED]); break; case eColorID_IMERawInputBackground: case eColorID_IMEConvertedTextBackground: aColor = NS_TRANSPARENT; break; case eColorID_IMERawInputForeground: case eColorID_IMEConvertedTextForeground: aColor = NS_SAME_AS_FOREGROUND_COLOR; break; case eColorID_IMERawInputUnderline: case eColorID_IMEConvertedTextUnderline: aColor = NS_SAME_AS_FOREGROUND_COLOR; break; case eColorID_IMESelectedRawTextUnderline: case eColorID_IMESelectedConvertedTextUnderline: aColor = NS_TRANSPARENT; break; case eColorID_SpellCheckerUnderline: aColor = NS_RGB(0xff, 0, 0); break; // css2 http://www.w3.org/TR/REC-CSS2/ui.html#system-colors case eColorID_activeborder: // active window border aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_activecaption: // active window caption background aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_appworkspace: // MDI background color aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_background: // desktop background aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_captiontext: // text in active window caption, size box, and scrollbar arrow box (!) aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]); break; case eColorID_graytext: // disabled text in windows, menus, etc. aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_INSENSITIVE]); break; case eColorID_highlight: // background of selected item aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_SELECTED]); break; case eColorID_highlighttext: // text of selected item aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_SELECTED]); break; case eColorID_inactiveborder: // inactive window border aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_inactivecaption: // inactive window caption aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_INSENSITIVE]); break; case eColorID_inactivecaptiontext: // text in inactive window caption aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_INSENSITIVE]); break; case eColorID_infobackground: // tooltip background color aColor = sInfoBackground; break; case eColorID_infotext: // tooltip text color aColor = sInfoText; break; case eColorID_menu: // menu background aColor = sMenuBackground; break; case eColorID_menutext: // menu text aColor = sMenuText; break; case eColorID_scrollbar: // scrollbar gray area aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_ACTIVE]); break; case eColorID_threedface: case eColorID_buttonface: // 3-D face color aColor = sButtonBackground; break; case eColorID_buttontext: // text on push buttons aColor = sButtonText; break; case eColorID_buttonhighlight: // 3-D highlighted edge color case eColorID_threedhighlight: // 3-D highlighted outer edge color aColor = sButtonOuterLightBorder; break; case eColorID_threedlightshadow: // 3-D highlighted inner edge color aColor = sButtonBackground; // always same as background in GTK code break; case eColorID_buttonshadow: // 3-D shadow edge color case eColorID_threedshadow: // 3-D shadow inner edge color aColor = sButtonInnerDarkBorder; break; case eColorID_threeddarkshadow: // 3-D shadow outer edge color aColor = GDK_COLOR_TO_NS_RGB(mStyle->black); break; case eColorID_window: case eColorID_windowframe: aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID_windowtext: aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]); break; case eColorID__moz_eventreerow: case eColorID__moz_field: aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]); break; case eColorID__moz_fieldtext: aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]); break; case eColorID__moz_dialog: aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]); break; case eColorID__moz_dialogtext: aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]); break; case eColorID__moz_dragtargetzone: aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_SELECTED]); break; case eColorID__moz_buttondefault: // default button border color aColor = GDK_COLOR_TO_NS_RGB(mStyle->black); break; case eColorID__moz_buttonhoverface: aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_PRELIGHT]); break; case eColorID__moz_buttonhovertext: aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_PRELIGHT]); break; case eColorID__moz_cellhighlight: case eColorID__moz_html_cellhighlight: aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_ACTIVE]); break; case eColorID__moz_cellhighlighttext: case eColorID__moz_html_cellhighlighttext: aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_ACTIVE]); break; case eColorID__moz_menuhover: aColor = sMenuHover; break; case eColorID__moz_menuhovertext: aColor = sMenuHoverText; break; case eColorID__moz_oddtreerow: aColor = sOddCellBackground; break; case eColorID__moz_nativehyperlinktext: aColor = sNativeHyperLinkText; break; case eColorID__moz_comboboxtext: aColor = sComboBoxText; break; case eColorID__moz_combobox: aColor = sComboBoxBackground; break; case eColorID__moz_menubartext: aColor = sMenuBarText; break; case eColorID__moz_menubarhovertext: aColor = sMenuBarHoverText; break; default: /* default color is BLACK */ aColor = 0; res = NS_ERROR_FAILURE; break; } return res; } static void darken_gdk_color(GdkColor *src, GdkColor *dest) { gdouble red; gdouble green; gdouble blue; red = (gdouble) src->red / 65535.0; green = (gdouble) src->green / 65535.0; blue = (gdouble) src->blue / 65535.0; red *= 0.93; green *= 0.93; blue *= 0.93; dest->red = red * 65535.0; dest->green = green * 65535.0; dest->blue = blue * 65535.0; } static PRInt32 CheckWidgetStyle(GtkWidget* aWidget, const char* aStyle, PRInt32 aResult) { gboolean value = FALSE; gtk_widget_style_get(aWidget, aStyle, &value, NULL); return value ? aResult : 0; } static PRInt32 ConvertGTKStepperStyleToMozillaScrollArrowStyle(GtkWidget* aWidget) { if (!aWidget) return mozilla::LookAndFeel::eScrollArrowStyle_Single; return CheckWidgetStyle(aWidget, "has-backward-stepper", mozilla::LookAndFeel::eScrollArrow_StartBackward) | CheckWidgetStyle(aWidget, "has-forward-stepper", mozilla::LookAndFeel::eScrollArrow_EndForward) | CheckWidgetStyle(aWidget, "has-secondary-backward-stepper", mozilla::LookAndFeel::eScrollArrow_EndBackward) | CheckWidgetStyle(aWidget, "has-secondary-forward-stepper", mozilla::LookAndFeel::eScrollArrow_StartForward); } nsresult nsLookAndFeel::GetIntImpl(IntID aID, PRInt32 &aResult) { nsresult res = NS_OK; // Set these before they can get overrided in the nsXPLookAndFeel. switch (aID) { case eIntID_ScrollButtonLeftMouseButtonAction: aResult = 0; return NS_OK; case eIntID_ScrollButtonMiddleMouseButtonAction: aResult = 1; return NS_OK; case eIntID_ScrollButtonRightMouseButtonAction: aResult = 2; return NS_OK; default: break; } res = nsXPLookAndFeel::GetIntImpl(aID, aResult); if (NS_SUCCEEDED(res)) return res; res = NS_OK; switch (aID) { case eIntID_CaretBlinkTime: { GtkSettings *settings; gint blink_time; gboolean blink; settings = gtk_settings_get_default (); g_object_get (settings, "gtk-cursor-blink-time", &blink_time, "gtk-cursor-blink", &blink, NULL); if (blink) aResult = (PRInt32) blink_time; else aResult = 0; break; } case eIntID_CaretWidth: aResult = 1; break; case eIntID_ShowCaretDuringSelection: aResult = 0; break; case eIntID_SelectTextfieldsOnKeyFocus: { GtkWidget *entry; GtkSettings *settings; gboolean select_on_focus; entry = gtk_entry_new(); g_object_ref_sink(entry); settings = gtk_widget_get_settings(entry); g_object_get(settings, "gtk-entry-select-on-focus", &select_on_focus, NULL); if(select_on_focus) aResult = 1; else aResult = 0; gtk_widget_destroy(entry); g_object_unref(entry); } break; case eIntID_SubmenuDelay: { GtkSettings *settings; gint delay; settings = gtk_settings_get_default (); g_object_get (settings, "gtk-menu-popup-delay", &delay, NULL); aResult = (PRInt32) delay; 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_SkipNavigatingDisabledMenuItem: aResult = 1; break; case eIntID_DragThresholdX: case eIntID_DragThresholdY: { GtkWidget* box = gtk_hbox_new(FALSE, 5); gint threshold = 0; g_object_get(gtk_widget_get_settings(box), "gtk-dnd-drag-threshold", &threshold, NULL); g_object_ref_sink(box); aResult = threshold; } break; case eIntID_ScrollArrowStyle: moz_gtk_init(); aResult = ConvertGTKStepperStyleToMozillaScrollArrowStyle(moz_gtk_get_scrollbar_widget()); break; case eIntID_ScrollSliderStyle: aResult = eScrollThumbStyle_Proportional; break; case eIntID_TreeOpenDelay: aResult = 1000; break; case eIntID_TreeCloseDelay: aResult = 1000; break; case eIntID_TreeLazyScrollDelay: aResult = 150; break; case eIntID_TreeScrollDelay: aResult = 100; break; case eIntID_TreeScrollLinesMax: aResult = 3; break; case eIntID_DWMCompositor: case eIntID_WindowsClassic: case eIntID_WindowsDefaultTheme: case eIntID_WindowsThemeIdentifier: aResult = 0; res = NS_ERROR_NOT_IMPLEMENTED; break; case eIntID_TouchEnabled: #ifdef MOZ_PLATFORM_MAEMO // All Hildon devices are touch-enabled aResult = 1; #else aResult = 0; res = NS_ERROR_NOT_IMPLEMENTED; #endif break; case eIntID_MaemoClassic: #ifdef MOZ_PLATFORM_MAEMO { aResult = 0; nsCOMPtr infoService(do_GetService("@mozilla.org/system-info;1")); if (infoService) { nsCString deviceType; nsresult rv = infoService->GetPropertyAsACString(NS_LITERAL_STRING("device"), deviceType); if (NS_SUCCEEDED(rv)) { if (deviceType.EqualsLiteral("Nokia N8xx")) aResult = 1; } } } #else aResult = 0; res = NS_ERROR_NOT_IMPLEMENTED; #endif break; case eIntID_MacGraphiteTheme: case eIntID_MacLionTheme: aResult = 0; res = NS_ERROR_NOT_IMPLEMENTED; break; case eIntID_IMERawInputUnderlineStyle: case eIntID_IMEConvertedTextUnderlineStyle: aResult = NS_STYLE_TEXT_DECORATION_STYLE_SOLID; 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_ImagesInMenus: aResult = moz_gtk_images_in_menus(); break; case eIntID_ImagesInButtons: aResult = moz_gtk_images_in_buttons(); break; case eIntID_MenuBarDrag: aResult = sMenuSupportsDrag; break; case eIntID_ScrollbarButtonAutoRepeatBehavior: aResult = 1; break; default: aResult = 0; res = NS_ERROR_FAILURE; } return res; } nsresult nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult) { nsresult res = NS_OK; 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; case eFloatID_CaretAspectRatio: aResult = sCaretRatio; break; default: aResult = -1.0; res = NS_ERROR_FAILURE; } return res; } #ifdef MOZ_PANGO static void GetSystemFontInfo(GtkWidget *aWidget, nsString *aFontName, gfxFontStyle *aFontStyle) { GtkSettings *settings = gtk_widget_get_settings(aWidget); aFontStyle->style = NS_FONT_STYLE_NORMAL; gchar *fontname; g_object_get(settings, "gtk-font-name", &fontname, NULL); PangoFontDescription *desc; desc = pango_font_description_from_string(fontname); aFontStyle->systemFont = true; g_free(fontname); NS_NAMED_LITERAL_STRING(quote, "\""); NS_ConvertUTF8toUTF16 family(pango_font_description_get_family(desc)); *aFontName = quote + family + quote; aFontStyle->weight = pango_font_description_get_weight(desc); // FIXME: Set aFontStyle->stretch correctly! aFontStyle->stretch = NS_FONT_STRETCH_NORMAL; float size = float(pango_font_description_get_size(desc)) / PANGO_SCALE; // |size| is now either pixels or pango-points (not Mozilla-points!) if (!pango_font_description_get_size_is_absolute(desc)) { // |size| is in pango-points, so convert to pixels. size *= float(gfxPlatformGtk::GetDPI()) / POINTS_PER_INCH_FLOAT; } // |size| is now pixels aFontStyle->size = size; pango_font_description_free(desc); } static void GetSystemFontInfo(LookAndFeel::FontID aID, nsString *aFontName, gfxFontStyle *aFontStyle) { if (aID == LookAndFeel::eFont_Widget) { GtkWidget *label = gtk_label_new("M"); GtkWidget *parent = gtk_fixed_new(); GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP); gtk_container_add(GTK_CONTAINER(parent), label); gtk_container_add(GTK_CONTAINER(window), parent); gtk_widget_ensure_style(label); GetSystemFontInfo(label, aFontName, aFontStyle); gtk_widget_destroy(window); // no unref, windows are different } else if (aID == LookAndFeel::eFont_Button) { GtkWidget *label = gtk_label_new("M"); GtkWidget *parent = gtk_fixed_new(); GtkWidget *button = gtk_button_new(); GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP); gtk_container_add(GTK_CONTAINER(button), label); gtk_container_add(GTK_CONTAINER(parent), button); gtk_container_add(GTK_CONTAINER(window), parent); gtk_widget_ensure_style(label); GetSystemFontInfo(label, aFontName, aFontStyle); gtk_widget_destroy(window); // no unref, windows are different } else if (aID == LookAndFeel::eFont_Field) { GtkWidget *entry = gtk_entry_new(); GtkWidget *parent = gtk_fixed_new(); GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP); gtk_container_add(GTK_CONTAINER(parent), entry); gtk_container_add(GTK_CONTAINER(window), parent); gtk_widget_ensure_style(entry); GetSystemFontInfo(entry, aFontName, aFontStyle); gtk_widget_destroy(window); // no unref, windows are different } else { NS_ABORT_IF_FALSE(aID == LookAndFeel::eFont_Menu, "unexpected font ID"); GtkWidget *accel_label = gtk_accel_label_new("M"); GtkWidget *menuitem = gtk_menu_item_new(); GtkWidget *menu = gtk_menu_new(); g_object_ref_sink(GTK_OBJECT(menu)); gtk_container_add(GTK_CONTAINER(menuitem), accel_label); gtk_menu_shell_append((GtkMenuShell *)GTK_MENU(menu), menuitem); gtk_widget_ensure_style(accel_label); GetSystemFontInfo(accel_label, aFontName, aFontStyle); g_object_unref(menu); } } #else // not MOZ_PANGO static void GetSystemFontInfo(LookAndFeel::FontID /*unused */, nsString *aFontName, gfxFontStyle *aFontStyle) { /* FIXME: DFB FT2 Hardcoding the system font info for now. */ aFontStyle->style = NS_FONT_STYLE_NORMAL; aFontStyle->weight = NS_FONT_WEIGHT_NORMAL; aFontStyle->size = 40/3; aFontStyle->stretch = NS_FONT_STRETCH_NORMAL; aFontStyle->systemFont = true; aFontName->AssignLiteral("\"Sans\""); } #endif // not MOZ_PANGO bool nsLookAndFeel::GetFontImpl(FontID aID, nsString& aFontName, gfxFontStyle& aFontStyle) { nsString *cachedFontName = NULL; gfxFontStyle *cachedFontStyle = NULL; bool *isCached = NULL; switch (aID) { case eFont_Menu: // css2 case eFont_PullDownMenu: // css3 cachedFontName = &mMenuFontName; cachedFontStyle = &mMenuFontStyle; isCached = &mMenuFontCached; aID = eFont_Menu; break; case eFont_Field: // css3 case eFont_List: // css3 cachedFontName = &mFieldFontName; cachedFontStyle = &mFieldFontStyle; isCached = &mFieldFontCached; aID = eFont_Field; break; case eFont_Button: // css3 cachedFontName = &mButtonFontName; cachedFontStyle = &mButtonFontStyle; isCached = &mButtonFontCached; break; case eFont_Caption: // css2 case eFont_Icon: // css2 case eFont_MessageBox: // css2 case eFont_SmallCaption: // css2 case eFont_StatusBar: // css2 case eFont_Window: // css3 case eFont_Document: // css3 case eFont_Workspace: // css3 case eFont_Desktop: // css3 case eFont_Info: // css3 case eFont_Dialog: // css3 case eFont_Tooltips: // moz case eFont_Widget: // moz cachedFontName = &mDefaultFontName; cachedFontStyle = &mDefaultFontStyle; isCached = &mDefaultFontCached; aID = eFont_Widget; break; } if (!*isCached) { GetSystemFontInfo(aID, cachedFontName, cachedFontStyle); *isCached = true; } aFontName = *cachedFontName; aFontStyle = *cachedFontStyle; return true; } void nsLookAndFeel::InitLookAndFeel() { GtkStyle *style; // tooltip foreground and background style = gtk_rc_get_style_by_paths(gtk_settings_get_default(), "gtk-tooltips", "GtkWindow", GTK_TYPE_WINDOW); if (style) { sInfoBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]); sInfoText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]); } // menu foreground & menu background GtkWidget *accel_label = gtk_accel_label_new("M"); GtkWidget *menuitem = gtk_menu_item_new(); GtkWidget *menu = gtk_menu_new(); g_object_ref_sink(menu); gtk_container_add(GTK_CONTAINER(menuitem), accel_label); gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem); gtk_widget_set_style(accel_label, NULL); gtk_widget_set_style(menu, NULL); gtk_widget_realize(menu); gtk_widget_realize(accel_label); style = gtk_widget_get_style(accel_label); if (style) { sMenuText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]); } style = gtk_widget_get_style(menu); if (style) { sMenuBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]); } style = gtk_widget_get_style(menuitem); if (style) { sMenuHover = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_PRELIGHT]); sMenuHoverText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_PRELIGHT]); } g_object_unref(menu); // button styles GtkWidget *parent = gtk_fixed_new(); GtkWidget *button = gtk_button_new(); GtkWidget *label = gtk_label_new("M"); GtkWidget *combobox = gtk_combo_box_new(); GtkWidget *comboboxLabel = gtk_label_new("M"); GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP); GtkWidget *treeView = gtk_tree_view_new(); GtkWidget *linkButton = gtk_link_button_new("http://example.com/"); GtkWidget *menuBar = gtk_menu_bar_new(); GtkWidget *entry = gtk_entry_new(); gtk_container_add(GTK_CONTAINER(button), label); gtk_container_add(GTK_CONTAINER(combobox), comboboxLabel); gtk_container_add(GTK_CONTAINER(parent), button); gtk_container_add(GTK_CONTAINER(parent), treeView); gtk_container_add(GTK_CONTAINER(parent), linkButton); gtk_container_add(GTK_CONTAINER(parent), combobox); gtk_container_add(GTK_CONTAINER(parent), menuBar); gtk_container_add(GTK_CONTAINER(window), parent); gtk_container_add(GTK_CONTAINER(parent), entry); gtk_widget_set_style(button, NULL); gtk_widget_set_style(label, NULL); gtk_widget_set_style(treeView, NULL); gtk_widget_set_style(linkButton, NULL); gtk_widget_set_style(combobox, NULL); gtk_widget_set_style(comboboxLabel, NULL); gtk_widget_set_style(menuBar, NULL); gtk_widget_set_style(entry, NULL); gtk_widget_realize(button); gtk_widget_realize(label); gtk_widget_realize(treeView); gtk_widget_realize(linkButton); gtk_widget_realize(combobox); gtk_widget_realize(comboboxLabel); gtk_widget_realize(menuBar); gtk_widget_realize(entry); style = gtk_widget_get_style(label); if (style) { sButtonText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]); } style = gtk_widget_get_style(comboboxLabel); if (style) { sComboBoxText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]); } style = gtk_widget_get_style(combobox); if (style) { sComboBoxBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]); } style = gtk_widget_get_style(menuBar); if (style) { sMenuBarText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]); sMenuBarHoverText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_SELECTED]); } // Some themes have a unified menu bar, and support window dragging on it gboolean supports_menubar_drag = FALSE; GParamSpec *param_spec = gtk_widget_class_find_style_property(GTK_WIDGET_GET_CLASS(menuBar), "window-dragging"); if (param_spec) { if (g_type_is_a(G_PARAM_SPEC_VALUE_TYPE(param_spec), G_TYPE_BOOLEAN)) { gtk_widget_style_get(menuBar, "window-dragging", &supports_menubar_drag, NULL); } } sMenuSupportsDrag = supports_menubar_drag; // GTK's guide to fancy odd row background colors: // 1) Check if a theme explicitly defines an odd row color // 2) If not, check if it defines an even row color, and darken it // slightly by a hardcoded value (gtkstyle.c) // 3) If neither are defined, take the base background color and // darken that by a hardcoded value GdkColor colorValue; GdkColor *colorValuePtr = NULL; gtk_widget_style_get(treeView, "odd-row-color", &colorValuePtr, NULL); if (colorValuePtr) { colorValue = *colorValuePtr; } else { gtk_widget_style_get(treeView, "even-row-color", &colorValuePtr, NULL); if (colorValuePtr) darken_gdk_color(colorValuePtr, &colorValue); else darken_gdk_color(&treeView->style->base[GTK_STATE_NORMAL], &colorValue); } sOddCellBackground = GDK_COLOR_TO_NS_RGB(colorValue); if (colorValuePtr) gdk_color_free(colorValuePtr); style = gtk_widget_get_style(button); if (style) { sButtonBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]); sButtonOuterLightBorder = GDK_COLOR_TO_NS_RGB(style->light[GTK_STATE_NORMAL]); sButtonInnerDarkBorder = GDK_COLOR_TO_NS_RGB(style->dark[GTK_STATE_NORMAL]); } colorValuePtr = NULL; gtk_widget_style_get(linkButton, "link-color", &colorValuePtr, NULL); if (colorValuePtr) { colorValue = *colorValuePtr; // we can't pass deref pointers to GDK_COLOR_TO_NS_RGB sNativeHyperLinkText = GDK_COLOR_TO_NS_RGB(colorValue); gdk_color_free(colorValuePtr); } else { sNativeHyperLinkText = NS_RGB(0x00,0x00,0xEE); } // invisible character styles guint value; g_object_get (entry, "invisible-char", &value, NULL); sInvisibleCharacter = PRUnichar(value); // caret styles gtk_widget_style_get(entry, "cursor-aspect-ratio", &sCaretRatio, NULL); gtk_widget_destroy(window); } void nsLookAndFeel::InitWidget() { NS_ASSERTION(!mStyle, "already initialized"); // GtkInvisibles come with a refcount that is not floating // (since their initialization code calls g_object_ref_sink) and // their destroy code releases that reference (which means they // have to be explicitly destroyed, since calling unref enough // to cause destruction would lead to *another* unref). // However, this combination means that it's actually still ok // to use the normal pattern, which is to g_object_ref_sink // after construction, and then destroy *and* unref when we're // done. (Though we could skip the g_object_ref_sink and the // corresponding g_object_unref, but that's particular to // GtkInvisibles and GtkWindows.) GtkWidget *widget = gtk_invisible_new(); g_object_ref_sink(widget); // effectively g_object_ref (see above) gtk_widget_ensure_style(widget); mStyle = gtk_style_copy(gtk_widget_get_style(widget)); gtk_widget_destroy(widget); g_object_unref(widget); } // virtual PRUnichar nsLookAndFeel::GetPasswordCharacterImpl() { return sInvisibleCharacter; } void nsLookAndFeel::RefreshImpl() { nsXPLookAndFeel::RefreshImpl(); mDefaultFontCached = false; mButtonFontCached = false; mFieldFontCached = false; mMenuFontCached = false; g_object_unref(mStyle); mStyle = nsnull; InitWidget(); InitLookAndFeel(); } bool nsLookAndFeel::GetEchoPasswordImpl() { #ifdef MOZ_PLATFORM_MAEMO return true; #else return false; #endif }