/* -*- 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 #include #include #include #include "gfxPlatformGtk.h" #include "nsScreenGtk.h" #include "gtkdrawing.h" #include "nsStyleConsts.h" #include "gfxFontConstants.h" #include "WidgetUtils.h" #include #include "mozilla/gfx/2D.h" #if MOZ_WIDGET_GTK != 2 #include #include "WidgetStyleCache.h" #include "prenv.h" #endif using mozilla::LookAndFeel; #define GDK_COLOR_TO_NS_RGB(c) \ ((nscolor) NS_RGB(c.red>>8, c.green>>8, c.blue>>8)) #define GDK_RGBA_TO_NS_RGBA(c) \ ((nscolor) NS_RGBA((int)((c).red*255), (int)((c).green*255), \ (int)((c).blue*255), (int)((c).alpha*255))) nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel(), #if (MOZ_WIDGET_GTK == 2) mStyle(nullptr), #else mBackgroundStyle(nullptr), mButtonStyle(nullptr), #endif mDefaultFontCached(false), mButtonFontCached(false), mFieldFontCached(false), mMenuFontCached(false) { Init(); } nsLookAndFeel::~nsLookAndFeel() { #if (MOZ_WIDGET_GTK == 2) g_object_unref(mStyle); #else g_object_unref(mBackgroundStyle); g_object_unref(mButtonStyle); #endif } #if MOZ_WIDGET_GTK != 2 static void GetLightAndDarkness(const GdkRGBA& aColor, double* aLightness, double* aDarkness) { double sum = aColor.red + aColor.green + aColor.blue; *aLightness = sum * aColor.alpha; *aDarkness = (3.0 - sum) * aColor.alpha; } static bool GetGradientColors(const GValue* aValue, GdkRGBA* aLightColor, GdkRGBA* aDarkColor) { if (!G_TYPE_CHECK_VALUE_TYPE(aValue, CAIRO_GOBJECT_TYPE_PATTERN)) return false; auto pattern = static_cast(g_value_get_boxed(aValue)); if (!pattern) return false; // Just picking the lightest and darkest colors as simple samples rather // than trying to blend, which could get messy if there are many stops. if (CAIRO_STATUS_SUCCESS != cairo_pattern_get_color_stop_rgba(pattern, 0, nullptr, &aDarkColor->red, &aDarkColor->green, &aDarkColor->blue, &aDarkColor->alpha)) return false; double maxLightness, maxDarkness; GetLightAndDarkness(*aDarkColor, &maxLightness, &maxDarkness); *aLightColor = *aDarkColor; GdkRGBA stop; for (int index = 1; CAIRO_STATUS_SUCCESS == cairo_pattern_get_color_stop_rgba(pattern, index, nullptr, &stop.red, &stop.green, &stop.blue, &stop.alpha); ++index) { double lightness, darkness; GetLightAndDarkness(stop, &lightness, &darkness); if (lightness > maxLightness) { maxLightness = lightness; *aLightColor = stop; } if (darkness > maxDarkness) { maxDarkness = darkness; *aDarkColor = stop; } } return true; } static bool GetUnicoBorderGradientColors(GtkStyleContext* aContext, GdkRGBA* aLightColor, GdkRGBA* aDarkColor) { // Ubuntu 12.04 has GTK engine Unico-1.0.2, which overrides render_frame, // providing its own border code. Ubuntu 14.04 has // Unico-1.0.3+14.04.20140109, which does not override render_frame, and // so does not need special attention. The earlier Unico can be detected // by the -unico-border-gradient style property it registers. // gtk_style_properties_lookup_property() is checked first to avoid the // warning from gtk_style_context_get_property() when the property does // not exist. (gtk_render_frame() of GTK+ 3.16 no longer uses the // engine.) const char* propertyName = "-unico-border-gradient"; if (!gtk_style_properties_lookup_property(propertyName, nullptr, nullptr)) return false; // -unico-border-gradient is used only when the CSS node's engine is Unico. GtkThemingEngine* engine; GtkStateFlags state = gtk_style_context_get_state(aContext); gtk_style_context_get(aContext, state, "engine", &engine, nullptr); if (strcmp(g_type_name(G_TYPE_FROM_INSTANCE(engine)), "UnicoEngine") != 0) return false; // draw_border() of Unico engine uses -unico-border-gradient // in preference to border-color. GValue value = G_VALUE_INIT; gtk_style_context_get_property(aContext, propertyName, state, &value); bool result = GetGradientColors(&value, aLightColor, aDarkColor); g_value_unset(&value); return result; } static void GetBorderColors(GtkStyleContext* aContext, GdkRGBA* aLightColor, GdkRGBA* aDarkColor) { if (GetUnicoBorderGradientColors(aContext, aLightColor, aDarkColor)) return; GtkStateFlags state = gtk_style_context_get_state(aContext); gtk_style_context_get_border_color(aContext, state, aDarkColor); // TODO GTK3 - update aLightColor // for GTK_BORDER_STYLE_INSET/OUTSET/GROVE/RIDGE border styles. // https://bugzilla.mozilla.org/show_bug.cgi?id=978172#c25 *aLightColor = *aDarkColor; } static void GetBorderColors(GtkStyleContext* aContext, nscolor* aLightColor, nscolor* aDarkColor) { GdkRGBA lightColor, darkColor; GetBorderColors(aContext, &lightColor, &darkColor); *aLightColor = GDK_RGBA_TO_NS_RGBA(lightColor); *aDarkColor = GDK_RGBA_TO_NS_RGBA(darkColor); } #endif nsresult nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor) { #if (MOZ_WIDGET_GTK == 3) GdkRGBA gdk_color; #endif 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. #if (MOZ_WIDGET_GTK == 2) 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; #else case eColorID_WindowBackground: case eColorID_WidgetBackground: case eColorID_TextBackground: case eColorID_activecaption: // active window caption background case eColorID_appworkspace: // MDI background color case eColorID_background: // desktop background case eColorID_window: case eColorID_windowframe: case eColorID__moz_dialog: case eColorID__moz_combobox: aColor = sMozWindowBackground; break; case eColorID_WindowForeground: case eColorID_WidgetForeground: case eColorID_TextForeground: case eColorID_captiontext: // text in active window caption, size box, and scrollbar arrow box (!) case eColorID_windowtext: case eColorID__moz_dialogtext: aColor = sMozWindowText; break; case eColorID_WidgetSelectBackground: case eColorID_TextSelectBackground: case eColorID_IMESelectedRawTextBackground: case eColorID_IMESelectedConvertedTextBackground: case eColorID__moz_dragtargetzone: case eColorID__moz_cellhighlight: case eColorID__moz_html_cellhighlight: case eColorID_highlight: // preference selected item, aColor = sTextSelectedBackground; break; case eColorID_WidgetSelectForeground: case eColorID_TextSelectForeground: case eColorID_IMESelectedRawTextForeground: case eColorID_IMESelectedConvertedTextForeground: case eColorID_highlighttext: case eColorID__moz_cellhighlighttext: case eColorID__moz_html_cellhighlighttext: aColor = sTextSelectedText; break; #endif case eColorID_Widget3DHighlight: aColor = NS_RGB(0xa0,0xa0,0xa0); break; case eColorID_Widget3DShadow: aColor = NS_RGB(0x40,0x40,0x40); break; #if (MOZ_WIDGET_GTK == 2) 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; #endif 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; #if (MOZ_WIDGET_GTK == 2) // 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; #else // css2 http://www.w3.org/TR/REC-CSS2/ui.html#system-colors case eColorID_activeborder: // active window border gtk_style_context_get_border_color(mBackgroundStyle, GTK_STATE_FLAG_NORMAL, &gdk_color); aColor = GDK_RGBA_TO_NS_RGBA(gdk_color); break; case eColorID_inactiveborder: // inactive window border gtk_style_context_get_border_color(mBackgroundStyle, GTK_STATE_FLAG_INSENSITIVE, &gdk_color); aColor = GDK_RGBA_TO_NS_RGBA(gdk_color); break; case eColorID_graytext: // disabled text in windows, menus, etc. case eColorID_inactivecaptiontext: // text in inactive window caption aColor = sMenuTextInactive; break; case eColorID_inactivecaption: // inactive window caption gtk_style_context_get_background_color(mBackgroundStyle, GTK_STATE_FLAG_INSENSITIVE, &gdk_color); aColor = GDK_RGBA_TO_NS_RGBA(gdk_color); break; #endif 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 #if (MOZ_WIDGET_GTK == 2) aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_ACTIVE]); #else aColor = sMozScrollbar; #endif break; case eColorID_threedlightshadow: // 3-D highlighted inner edge color // always same as background in GTK code case eColorID_threedface: case eColorID_buttonface: // 3-D face color #if (MOZ_WIDGET_GTK == 3) aColor = sMozWindowBackground; #else aColor = sButtonBackground; #endif 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 = sFrameOuterLightBorder; break; case eColorID_buttonshadow: // 3-D shadow edge color case eColorID_threedshadow: // 3-D shadow inner edge color aColor = sFrameInnerDarkBorder; break; #if (MOZ_WIDGET_GTK == 2) 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; #else case eColorID_threeddarkshadow: // Hardcode to black aColor = NS_RGB(0x00,0x00,0x00); break; case eColorID__moz_eventreerow: case eColorID__moz_field: aColor = sMozFieldBackground; break; case eColorID__moz_fieldtext: aColor = sMozFieldText; break; case eColorID__moz_buttondefault: // default button border color gtk_style_context_get_border_color(mButtonStyle, GTK_STATE_FLAG_NORMAL, &gdk_color); aColor = GDK_RGBA_TO_NS_RGBA(gdk_color); break; case eColorID__moz_buttonhoverface: gtk_style_context_get_background_color(mButtonStyle, GTK_STATE_FLAG_PRELIGHT, &gdk_color); aColor = GDK_RGBA_TO_NS_RGBA(gdk_color); break; case eColorID__moz_buttonhovertext: aColor = sButtonHoverText; break; #endif 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; #if (MOZ_WIDGET_GTK == 2) case eColorID__moz_combobox: aColor = sComboBoxBackground; break; #endif case eColorID__moz_menubartext: aColor = sMenuBarText; break; case eColorID__moz_menubarhovertext: aColor = sMenuBarHoverText; break; case eColorID__moz_gtk_info_bar_text: #if (MOZ_WIDGET_GTK == 3) aColor = sInfoBarText; #else aColor = sInfoText; #endif break; default: /* default color is BLACK */ aColor = 0; res = NS_ERROR_FAILURE; break; } return res; } #if (MOZ_WIDGET_GTK == 2) 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; } #endif static int32_t CheckWidgetStyle(GtkWidget* aWidget, const char* aStyle, int32_t aResult) { gboolean value = FALSE; gtk_widget_style_get(aWidget, aStyle, &value, nullptr); return value ? aResult : 0; } static int32_t 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, int32_t &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, nullptr); if (blink) aResult = (int32_t) 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, nullptr); if(select_on_focus) aResult = 1; else aResult = 0; gtk_widget_destroy(entry); g_object_unref(entry); } break; case eIntID_ScrollToClick: { GtkSettings *settings; gboolean warps_slider = FALSE; settings = gtk_settings_get_default (); if (g_object_class_find_property (G_OBJECT_GET_CLASS(settings), "gtk-primary-button-warps-slider")) { g_object_get (settings, "gtk-primary-button-warps-slider", &warps_slider, nullptr); } if (warps_slider) aResult = 1; else aResult = 0; } break; case eIntID_SubmenuDelay: { GtkSettings *settings; gint delay; settings = gtk_settings_get_default (); g_object_get (settings, "gtk-menu-popup-delay", &delay, nullptr); aResult = (int32_t) 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, nullptr); 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: case eIntID_OperatingSystemVersionIdentifier: aResult = 0; res = NS_ERROR_NOT_IMPLEMENTED; break; case eIntID_TouchEnabled: #if MOZ_WIDGET_GTK == 3 aResult = mozilla::widget::WidgetUtils::IsTouchDeviceSupportPresent(); break; #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_AlertNotificationOrigin: aResult = NS_ALERT_TOP; 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; case eIntID_SwipeAnimationEnabled: aResult = 0; break; case eIntID_ColorPickerAvailable: aResult = 1; break; case eIntID_ContextMenuOffsetVertical: case eIntID_ContextMenuOffsetHorizontal: aResult = 2; 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; } 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, nullptr); 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; } // Scale fonts up on HiDPI displays. // This would be done automatically with cairo, but we manually manage // the display scale for platform consistency. size *= nsScreenGtk::GetGtkMonitorScaleFactor(); // |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 { MOZ_ASSERT(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(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); } } bool nsLookAndFeel::GetFontImpl(FontID aID, nsString& aFontName, gfxFontStyle& aFontStyle, float aDevPixPerCSSPixel) { nsString *cachedFontName = nullptr; gfxFontStyle *cachedFontStyle = nullptr; bool *isCached = nullptr; 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; } #if (MOZ_WIDGET_GTK == 3) static GtkStyleContext* create_context(GtkWidgetPath *path) { GtkStyleContext *style = gtk_style_context_new(); gtk_style_context_set_path(style, path); return(style); } #endif void nsLookAndFeel::Init() { GdkColor colorValue; GdkColor *colorValuePtr; #if (MOZ_WIDGET_GTK == 2) 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); // tooltip foreground and background GtkStyle *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, nullptr); gtk_widget_set_style(menu, nullptr); 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); #else GdkRGBA color; GtkStyleContext *style; // Gtk manages a screen's CSS in the settings object so we // ask Gtk to create it explicitly. Otherwise we may end up // with wrong color theme, see Bug 972382 GtkSettings *settings = gtk_settings_get_for_screen(gdk_screen_get_default()); // Disable dark theme because it interacts poorly with widget styling in // web content (see bug 1216658). // To avoid triggering reload of theme settings unnecessarily, only set the // setting when necessary. const gchar* dark_setting = "gtk-application-prefer-dark-theme"; gboolean dark; g_object_get(settings, dark_setting, &dark, nullptr); if (dark && !PR_GetEnv("MOZ_ALLOW_GTK_DARK_THEME")) { g_object_set(settings, dark_setting, FALSE, nullptr); } GtkWidgetPath *path = gtk_widget_path_new(); gtk_widget_path_append_type(path, GTK_TYPE_WINDOW); mBackgroundStyle = create_context(path); gtk_style_context_add_class(mBackgroundStyle, GTK_STYLE_CLASS_BACKGROUND); mButtonStyle = create_context(path); gtk_style_context_add_class(mButtonStyle, GTK_STYLE_CLASS_BUTTON); // Scrollbar colors style = create_context(path); gtk_style_context_add_class(style, GTK_STYLE_CLASS_SCROLLBAR); gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color); sMozScrollbar = GDK_RGBA_TO_NS_RGBA(color); g_object_unref(style); // Window colors style = create_context(path); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color); sMozWindowBackground = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sMozWindowText = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_restore(style); g_object_unref(style); // tooltip foreground and background style = ClaimStyleContext(MOZ_GTK_TOOLTIP); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color); sInfoBackground = GDK_RGBA_TO_NS_RGBA(color); { GtkStyleContext* boxStyle = CreateStyleForWidget(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0), style); GtkStyleContext* labelStyle = CreateStyleForWidget(gtk_label_new(nullptr), boxStyle); gtk_style_context_get_color(labelStyle, GTK_STATE_FLAG_NORMAL, &color); g_object_unref(labelStyle); g_object_unref(boxStyle); } sInfoText = GDK_RGBA_TO_NS_RGBA(color); ReleaseStyleContext(style); // 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); style = gtk_widget_get_style_context(accel_label); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sMenuText = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, GTK_STATE_FLAG_INSENSITIVE, &color); sMenuTextInactive = GDK_RGBA_TO_NS_RGBA(color); style = gtk_widget_get_style_context(menu); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color); sMenuBackground = GDK_RGBA_TO_NS_RGBA(color); style = gtk_widget_get_style_context(menuitem); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_PRELIGHT, &color); sMenuHover = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color); sMenuHoverText = GDK_RGBA_TO_NS_RGBA(color); g_object_unref(menu); #endif // button styles GtkWidget *parent = gtk_fixed_new(); GtkWidget *button = gtk_button_new(); GtkWidget *label = gtk_label_new("M"); #if (MOZ_WIDGET_GTK == 2) GtkWidget *combobox = gtk_combo_box_new(); GtkWidget *comboboxLabel = gtk_label_new("M"); gtk_container_add(GTK_CONTAINER(combobox), comboboxLabel); #else GtkWidget *combobox = gtk_combo_box_new_with_entry(); GtkWidget *comboboxLabel = gtk_bin_get_child(GTK_BIN(combobox)); #endif 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 *menuBarItem = gtk_menu_item_new(); GtkWidget *entry = gtk_entry_new(); GtkWidget *textView = gtk_text_view_new(); gtk_container_add(GTK_CONTAINER(button), label); 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_menu_shell_append(GTK_MENU_SHELL(menuBar), menuBarItem); gtk_container_add(GTK_CONTAINER(window), parent); gtk_container_add(GTK_CONTAINER(parent), entry); gtk_container_add(GTK_CONTAINER(parent), textView); #if (MOZ_WIDGET_GTK == 2) gtk_widget_set_style(button, nullptr); gtk_widget_set_style(label, nullptr); gtk_widget_set_style(treeView, nullptr); gtk_widget_set_style(linkButton, nullptr); gtk_widget_set_style(combobox, nullptr); gtk_widget_set_style(comboboxLabel, nullptr); gtk_widget_set_style(menuBar, nullptr); gtk_widget_set_style(entry, nullptr); 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]); } // 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 colorValuePtr = nullptr; gtk_widget_style_get(treeView, "odd-row-color", &colorValuePtr, nullptr); if (colorValuePtr) { colorValue = *colorValuePtr; } else { gtk_widget_style_get(treeView, "even-row-color", &colorValuePtr, nullptr); 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]); sFrameOuterLightBorder = GDK_COLOR_TO_NS_RGB(style->light[GTK_STATE_NORMAL]); sFrameInnerDarkBorder = GDK_COLOR_TO_NS_RGB(style->dark[GTK_STATE_NORMAL]); } #else // Text colors style = gtk_widget_get_style_context(textView); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_VIEW); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color); sMozFieldBackground = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sMozFieldText = GDK_RGBA_TO_NS_RGBA(color); // Selected text and background gtk_style_context_get_background_color(style, static_cast(GTK_STATE_FLAG_FOCUSED|GTK_STATE_FLAG_SELECTED), &color); sTextSelectedBackground = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, static_cast(GTK_STATE_FLAG_FOCUSED|GTK_STATE_FLAG_SELECTED), &color); sTextSelectedText = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_restore(style); // Button text, background, border style = gtk_widget_get_style_context(label); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sButtonText = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color); sButtonHoverText = GDK_RGBA_TO_NS_RGBA(color); // Combobox text color style = gtk_widget_get_style_context(comboboxLabel); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sComboBoxText = GDK_RGBA_TO_NS_RGBA(color); // Menubar text and hover text colors style = gtk_widget_get_style_context(menuBarItem); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sMenuBarText = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color); sMenuBarHoverText = GDK_RGBA_TO_NS_RGBA(color); // 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 style = gtk_widget_get_style_context(treeView); // Get odd row background color gtk_style_context_save(style); gtk_style_context_add_region(style, GTK_STYLE_REGION_ROW, GTK_REGION_ODD); gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color); sOddCellBackground = GDK_RGBA_TO_NS_RGBA(color); gtk_style_context_restore(style); gtk_widget_path_free(path); style = ClaimStyleContext(MOZ_GTK_FRAME_BORDER); GetBorderColors(style, &sFrameOuterLightBorder, &sFrameInnerDarkBorder); ReleaseStyleContext(style); // GtkInfoBar // TODO - Use WidgetCache for it? GtkWidget* infoBar = gtk_info_bar_new(); GtkWidget* infoBarContent = gtk_info_bar_get_content_area(GTK_INFO_BAR(infoBar)); GtkWidget* infoBarLabel = gtk_label_new(nullptr); gtk_container_add(GTK_CONTAINER(parent), infoBar); gtk_container_add(GTK_CONTAINER(infoBarContent), infoBarLabel); style = gtk_widget_get_style_context(infoBarLabel); gtk_style_context_add_class(style, GTK_STYLE_CLASS_INFO); gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color); sInfoBarText = GDK_RGBA_TO_NS_RGBA(color); #endif // 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, nullptr); } } sMenuSupportsDrag = supports_menubar_drag; colorValuePtr = nullptr; gtk_widget_style_get(linkButton, "link-color", &colorValuePtr, nullptr); 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, nullptr); sInvisibleCharacter = char16_t(value); // caret styles gtk_widget_style_get(entry, "cursor-aspect-ratio", &sCaretRatio, nullptr); gtk_widget_destroy(window); } // virtual char16_t nsLookAndFeel::GetPasswordCharacterImpl() { return sInvisibleCharacter; } void nsLookAndFeel::RefreshImpl() { nsXPLookAndFeel::RefreshImpl(); mDefaultFontCached = false; mButtonFontCached = false; mFieldFontCached = false; mMenuFontCached = false; #if (MOZ_WIDGET_GTK == 2) g_object_unref(mStyle); mStyle = nullptr; #else g_object_unref(mBackgroundStyle); g_object_unref(mButtonStyle); mBackgroundStyle = nullptr; mButtonStyle = nullptr; #endif Init(); } bool nsLookAndFeel::GetEchoPasswordImpl() { return false; }