michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* vim:expandtab:shiftwidth=4:tabstop=4:
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: // for strtod()
michael@0: #include <stdlib.h>
michael@0: 
michael@0: #include "nsLookAndFeel.h"
michael@0: 
michael@0: #include <gtk/gtk.h>
michael@0: #include <gdk/gdk.h>
michael@0: 
michael@0: #include <pango/pango.h>
michael@0: #include <pango/pango-fontmap.h>
michael@0: 
michael@0: #include <fontconfig/fontconfig.h>
michael@0: #include "gfxPlatformGtk.h"
michael@0: 
michael@0: #include "gtkdrawing.h"
michael@0: #include "nsStyleConsts.h"
michael@0: #include "gfxFontConstants.h"
michael@0: #include "mozilla/gfx/2D.h"
michael@0: 
michael@0: using mozilla::LookAndFeel;
michael@0: 
michael@0: #define GDK_COLOR_TO_NS_RGB(c) \
michael@0:     ((nscolor) NS_RGB(c.red>>8, c.green>>8, c.blue>>8))
michael@0: #define GDK_RGBA_TO_NS_RGBA(c) \
michael@0:     ((nscolor) NS_RGBA((int)((c).red*255), (int)((c).green*255), \
michael@0:                        (int)((c).blue*255), (int)((c).alpha*255)))
michael@0: 
michael@0: nsLookAndFeel::nsLookAndFeel()
michael@0:     : nsXPLookAndFeel(),
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:       mStyle(nullptr),
michael@0: #else
michael@0:       mBackgroundStyle(nullptr),
michael@0:       mViewStyle(nullptr),
michael@0:       mButtonStyle(nullptr),
michael@0: #endif
michael@0:       mDefaultFontCached(false), mButtonFontCached(false),
michael@0:       mFieldFontCached(false), mMenuFontCached(false)
michael@0: {
michael@0:     Init();    
michael@0: }
michael@0: 
michael@0: nsLookAndFeel::~nsLookAndFeel()
michael@0: {
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     g_object_unref(mStyle);
michael@0: #else
michael@0:     g_object_unref(mBackgroundStyle);
michael@0:     g_object_unref(mViewStyle);
michael@0:     g_object_unref(mButtonStyle);
michael@0: #endif
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor)
michael@0: {
michael@0: #if (MOZ_WIDGET_GTK == 3)
michael@0:     GdkRGBA gdk_color;
michael@0: #endif
michael@0:     nsresult res = NS_OK;
michael@0: 
michael@0:     switch (aID) {
michael@0:         // These colors don't seem to be used for anything anymore in Mozilla
michael@0:         // (except here at least TextSelectBackground and TextSelectForeground)
michael@0:         // The CSS2 colors below are used.
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     case eColorID_WindowBackground:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_WindowForeground:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_WidgetBackground:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_WidgetForeground:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_WidgetSelectBackground:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_SELECTED]);
michael@0:         break;
michael@0:     case eColorID_WidgetSelectForeground:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_SELECTED]);
michael@0:         break;
michael@0: #else
michael@0:     case eColorID_WindowBackground:
michael@0:     case eColorID_WidgetBackground:
michael@0:     case eColorID_TextBackground:
michael@0:     case eColorID_activecaption: // active window caption background
michael@0:     case eColorID_appworkspace: // MDI background color
michael@0:     case eColorID_background: // desktop background
michael@0:     case eColorID_window:
michael@0:     case eColorID_windowframe:
michael@0:     case eColorID__moz_dialog:
michael@0:         aColor = sMozWindowBackground;
michael@0:         break;
michael@0:     case eColorID_WindowForeground:
michael@0:     case eColorID_WidgetForeground:
michael@0:     case eColorID_TextForeground: 
michael@0:     case eColorID_captiontext: // text in active window caption, size box, and scrollbar arrow box (!)
michael@0:     case eColorID_windowtext:
michael@0:     case eColorID__moz_dialogtext:
michael@0:         aColor = sMozWindowText;
michael@0:         break;
michael@0:     case eColorID_WidgetSelectBackground:
michael@0:     case eColorID_TextSelectBackground:
michael@0:     case eColorID_IMESelectedRawTextBackground:
michael@0:     case eColorID_IMESelectedConvertedTextBackground:
michael@0:     case eColorID__moz_dragtargetzone:
michael@0:         aColor = sMozWindowSelectedBackground;
michael@0:         break;
michael@0:     case eColorID_WidgetSelectForeground:
michael@0:     case eColorID_TextSelectForeground:
michael@0:     case eColorID_IMESelectedRawTextForeground:
michael@0:     case eColorID_IMESelectedConvertedTextForeground:
michael@0:         aColor = sMozWindowSelectedText;
michael@0:         break;
michael@0: #endif
michael@0:     case eColorID_Widget3DHighlight:
michael@0:         aColor = NS_RGB(0xa0,0xa0,0xa0);
michael@0:         break;
michael@0:     case eColorID_Widget3DShadow:
michael@0:         aColor = NS_RGB(0x40,0x40,0x40);
michael@0:         break;
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     case eColorID_TextBackground:
michael@0:         // not used?
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_TextForeground: 
michael@0:         // not used?
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_TextSelectBackground:
michael@0:     case eColorID_IMESelectedRawTextBackground:
michael@0:     case eColorID_IMESelectedConvertedTextBackground:
michael@0:         // still used
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_SELECTED]);
michael@0:         break;
michael@0:     case eColorID_TextSelectForeground:
michael@0:     case eColorID_IMESelectedRawTextForeground:
michael@0:     case eColorID_IMESelectedConvertedTextForeground:
michael@0:         // still used
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_SELECTED]);
michael@0:         break;
michael@0: #endif
michael@0:     case eColorID_IMERawInputBackground:
michael@0:     case eColorID_IMEConvertedTextBackground:
michael@0:         aColor = NS_TRANSPARENT;
michael@0:         break;
michael@0:     case eColorID_IMERawInputForeground:
michael@0:     case eColorID_IMEConvertedTextForeground:
michael@0:         aColor = NS_SAME_AS_FOREGROUND_COLOR;
michael@0:         break;
michael@0:     case eColorID_IMERawInputUnderline:
michael@0:     case eColorID_IMEConvertedTextUnderline:
michael@0:         aColor = NS_SAME_AS_FOREGROUND_COLOR;
michael@0:         break;
michael@0:     case eColorID_IMESelectedRawTextUnderline:
michael@0:     case eColorID_IMESelectedConvertedTextUnderline:
michael@0:         aColor = NS_TRANSPARENT;
michael@0:         break;
michael@0:     case eColorID_SpellCheckerUnderline:
michael@0:       aColor = NS_RGB(0xff, 0, 0);
michael@0:       break;
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:         // css2  http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
michael@0:     case eColorID_activeborder:
michael@0:         // active window border
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_activecaption:
michael@0:         // active window caption background
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_appworkspace:
michael@0:         // MDI background color
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_background:
michael@0:         // desktop background
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_captiontext:
michael@0:         // text in active window caption, size box, and scrollbar arrow box (!)
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_graytext:
michael@0:         // disabled text in windows, menus, etc.
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_INSENSITIVE]);
michael@0:         break;
michael@0:     case eColorID_highlight:
michael@0:         // background of selected item
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_SELECTED]);
michael@0:         break;
michael@0:     case eColorID_highlighttext:
michael@0:         // text of selected item
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_SELECTED]);
michael@0:         break;
michael@0:     case eColorID_inactiveborder:
michael@0:         // inactive window border
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID_inactivecaption:
michael@0:         // inactive window caption
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_INSENSITIVE]);
michael@0:         break;
michael@0:     case eColorID_inactivecaptiontext:
michael@0:         // text in inactive window caption
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_INSENSITIVE]);
michael@0:         break;
michael@0: #else
michael@0:         // css2  http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
michael@0:     case eColorID_activeborder:
michael@0:         // active window border
michael@0:         gtk_style_context_get_border_color(mBackgroundStyle, 
michael@0:                                            GTK_STATE_FLAG_NORMAL, &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID_inactiveborder:
michael@0:         // inactive window border
michael@0:         gtk_style_context_get_border_color(mBackgroundStyle, 
michael@0:                                            GTK_STATE_FLAG_INSENSITIVE, 
michael@0:                                            &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID_graytext: // disabled text in windows, menus, etc.
michael@0:     case eColorID_inactivecaptiontext: // text in inactive window caption
michael@0:         gtk_style_context_get_color(mBackgroundStyle, 
michael@0:                                     GTK_STATE_FLAG_INSENSITIVE, &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID_highlight: // preference selected item,
michael@0:         // background of selected item
michael@0:         gtk_style_context_get_background_color(mViewStyle, 
michael@0:                                                GTK_STATE_FLAG_SELECTED, 
michael@0:                                                &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID_highlighttext:
michael@0:         // text of selected item
michael@0:         gtk_style_context_get_color(mViewStyle, 
michael@0:                                     GTK_STATE_FLAG_SELECTED, &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID_inactivecaption:
michael@0:         // inactive window caption
michael@0:         gtk_style_context_get_background_color(mBackgroundStyle, 
michael@0:                                                GTK_STATE_FLAG_INSENSITIVE, 
michael@0:                                                &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0: #endif
michael@0:     case eColorID_infobackground:
michael@0:         // tooltip background color
michael@0:         aColor = sInfoBackground;
michael@0:         break;
michael@0:     case eColorID_infotext:
michael@0:         // tooltip text color
michael@0:         aColor = sInfoText;
michael@0:         break;
michael@0:     case eColorID_menu:
michael@0:         // menu background
michael@0:         aColor = sMenuBackground;
michael@0:         break;
michael@0:     case eColorID_menutext:
michael@0:         // menu text
michael@0:         aColor = sMenuText;
michael@0:         break;
michael@0:     case eColorID_scrollbar:
michael@0:         // scrollbar gray area
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_ACTIVE]);
michael@0: #else
michael@0:         aColor = sMozScrollbar;
michael@0: #endif
michael@0:         break;
michael@0: 
michael@0:     case eColorID_threedface:
michael@0:     case eColorID_buttonface:
michael@0:         // 3-D face color
michael@0:         aColor = sButtonBackground;
michael@0:         break;
michael@0: 
michael@0:     case eColorID_buttontext:
michael@0:         // text on push buttons
michael@0:         aColor = sButtonText;
michael@0:         break;
michael@0: 
michael@0:     case eColorID_buttonhighlight:
michael@0:         // 3-D highlighted edge color
michael@0:     case eColorID_threedhighlight:
michael@0:         // 3-D highlighted outer edge color
michael@0:         aColor = sButtonOuterLightBorder;
michael@0:         break;
michael@0: 
michael@0:     case eColorID_threedlightshadow:
michael@0:         // 3-D highlighted inner edge color
michael@0:         aColor = sButtonBackground; // always same as background in GTK code
michael@0:         break;
michael@0: 
michael@0:     case eColorID_buttonshadow:
michael@0:         // 3-D shadow edge color
michael@0:     case eColorID_threedshadow:
michael@0:         // 3-D shadow inner edge color
michael@0:         aColor = sButtonInnerDarkBorder;
michael@0:         break;
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     case eColorID_threeddarkshadow:
michael@0:         // 3-D shadow outer edge color
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->black);
michael@0:         break;
michael@0: 
michael@0:     case eColorID_window:
michael@0:     case eColorID_windowframe:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0: 
michael@0:     case eColorID_windowtext:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0: 
michael@0:     case eColorID__moz_eventreerow:
michael@0:     case eColorID__moz_field:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID__moz_fieldtext:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID__moz_dialog:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID__moz_dialogtext:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_NORMAL]);
michael@0:         break;
michael@0:     case eColorID__moz_dragtargetzone:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_SELECTED]);
michael@0:         break; 
michael@0:     case eColorID__moz_buttondefault:
michael@0:         // default button border color
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->black);
michael@0:         break;
michael@0:     case eColorID__moz_buttonhoverface:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_PRELIGHT]);
michael@0:         break;
michael@0:     case eColorID__moz_buttonhovertext:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->fg[GTK_STATE_PRELIGHT]);
michael@0:         break;
michael@0:     case eColorID__moz_cellhighlight:
michael@0:     case eColorID__moz_html_cellhighlight:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_ACTIVE]);
michael@0:         break;
michael@0:     case eColorID__moz_cellhighlighttext:
michael@0:     case eColorID__moz_html_cellhighlighttext:
michael@0:         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_ACTIVE]);
michael@0:         break;
michael@0: #else
michael@0:     case eColorID_threeddarkshadow:
michael@0:         // Hardcode to black
michael@0:         aColor = NS_RGB(0x00,0x00,0x00);;
michael@0:         break;
michael@0: 
michael@0:     case eColorID__moz_eventreerow:
michael@0:     case eColorID__moz_field:
michael@0:         aColor = sMozFieldBackground;
michael@0:         break;
michael@0:     case eColorID__moz_fieldtext:
michael@0:         aColor = sMozFieldText;
michael@0:         break;
michael@0:     case eColorID__moz_buttondefault:
michael@0:       // default button border color
michael@0:         gtk_style_context_get_border_color(mButtonStyle, 
michael@0:                                            GTK_STATE_FLAG_NORMAL, &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID__moz_buttonhoverface:
michael@0:         gtk_style_context_get_background_color(mButtonStyle, 
michael@0:                                                GTK_STATE_FLAG_PRELIGHT, 
michael@0:                                                &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID__moz_buttonhovertext:
michael@0:         aColor = sButtonHoverText;
michael@0:         break;
michael@0:     case eColorID__moz_cellhighlight:
michael@0:     case eColorID__moz_html_cellhighlight:
michael@0:         gtk_style_context_get_background_color(mViewStyle, 
michael@0:                                                GTK_STATE_FLAG_SELECTED, 
michael@0:                                                &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0:     case eColorID__moz_cellhighlighttext:
michael@0:     case eColorID__moz_html_cellhighlighttext:
michael@0:         gtk_style_context_get_color(mViewStyle, 
michael@0:                                     GTK_STATE_FLAG_SELECTED, &gdk_color);
michael@0:         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
michael@0:         break;
michael@0: #endif
michael@0:     case eColorID__moz_menuhover:
michael@0:         aColor = sMenuHover;
michael@0:         break;
michael@0:     case eColorID__moz_menuhovertext:
michael@0:         aColor = sMenuHoverText;
michael@0:         break;
michael@0:     case eColorID__moz_oddtreerow:
michael@0:         aColor = sOddCellBackground;
michael@0:         break;
michael@0:     case eColorID__moz_nativehyperlinktext:
michael@0:         aColor = sNativeHyperLinkText;
michael@0:         break;
michael@0:     case eColorID__moz_comboboxtext:
michael@0:         aColor = sComboBoxText;
michael@0:         break;
michael@0:     case eColorID__moz_combobox:
michael@0:         aColor = sComboBoxBackground;
michael@0:         break;
michael@0:     case eColorID__moz_menubartext:
michael@0:         aColor = sMenuBarText;
michael@0:         break;
michael@0:     case eColorID__moz_menubarhovertext:
michael@0:         aColor = sMenuBarHoverText;
michael@0:         break;
michael@0:     default:
michael@0:         /* default color is BLACK */
michael@0:         aColor = 0;
michael@0:         res    = NS_ERROR_FAILURE;
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0: static void darken_gdk_color(GdkColor *src, GdkColor *dest)
michael@0: {
michael@0:     gdouble red;
michael@0:     gdouble green;
michael@0:     gdouble blue;
michael@0: 
michael@0:     red = (gdouble) src->red / 65535.0;
michael@0:     green = (gdouble) src->green / 65535.0;
michael@0:     blue = (gdouble) src->blue / 65535.0;
michael@0: 
michael@0:     red *= 0.93;
michael@0:     green *= 0.93;
michael@0:     blue *= 0.93;
michael@0: 
michael@0:     dest->red = red * 65535.0;
michael@0:     dest->green = green * 65535.0;
michael@0:     dest->blue = blue * 65535.0;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: static int32_t CheckWidgetStyle(GtkWidget* aWidget, const char* aStyle, int32_t aResult) {
michael@0:     gboolean value = FALSE;
michael@0:     gtk_widget_style_get(aWidget, aStyle, &value, nullptr);
michael@0:     return value ? aResult : 0;
michael@0: }
michael@0: 
michael@0: static int32_t ConvertGTKStepperStyleToMozillaScrollArrowStyle(GtkWidget* aWidget)
michael@0: {
michael@0:     if (!aWidget)
michael@0:         return mozilla::LookAndFeel::eScrollArrowStyle_Single;
michael@0:   
michael@0:     return
michael@0:         CheckWidgetStyle(aWidget, "has-backward-stepper",
michael@0:                          mozilla::LookAndFeel::eScrollArrow_StartBackward) |
michael@0:         CheckWidgetStyle(aWidget, "has-forward-stepper",
michael@0:                          mozilla::LookAndFeel::eScrollArrow_EndForward) |
michael@0:         CheckWidgetStyle(aWidget, "has-secondary-backward-stepper",
michael@0:                          mozilla::LookAndFeel::eScrollArrow_EndBackward) |
michael@0:         CheckWidgetStyle(aWidget, "has-secondary-forward-stepper",
michael@0:                          mozilla::LookAndFeel::eScrollArrow_StartForward);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
michael@0: {
michael@0:     nsresult res = NS_OK;
michael@0: 
michael@0:     // Set these before they can get overrided in the nsXPLookAndFeel. 
michael@0:     switch (aID) {
michael@0:     case eIntID_ScrollButtonLeftMouseButtonAction:
michael@0:         aResult = 0;
michael@0:         return NS_OK;
michael@0:     case eIntID_ScrollButtonMiddleMouseButtonAction:
michael@0:         aResult = 1;
michael@0:         return NS_OK;
michael@0:     case eIntID_ScrollButtonRightMouseButtonAction:
michael@0:         aResult = 2;
michael@0:         return NS_OK;
michael@0:     default:
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
michael@0:     if (NS_SUCCEEDED(res))
michael@0:         return res;
michael@0:     res = NS_OK;
michael@0: 
michael@0:     switch (aID) {
michael@0:     case eIntID_CaretBlinkTime:
michael@0:         {
michael@0:             GtkSettings *settings;
michael@0:             gint blink_time;
michael@0:             gboolean blink;
michael@0: 
michael@0:             settings = gtk_settings_get_default ();
michael@0:             g_object_get (settings,
michael@0:                           "gtk-cursor-blink-time", &blink_time,
michael@0:                           "gtk-cursor-blink", &blink,
michael@0:                           nullptr);
michael@0:  
michael@0:             if (blink)
michael@0:                 aResult = (int32_t) blink_time;
michael@0:             else
michael@0:                 aResult = 0;
michael@0:             break;
michael@0:         }
michael@0:     case eIntID_CaretWidth:
michael@0:         aResult = 1;
michael@0:         break;
michael@0:     case eIntID_ShowCaretDuringSelection:
michael@0:         aResult = 0;
michael@0:         break;
michael@0:     case eIntID_SelectTextfieldsOnKeyFocus:
michael@0:         {
michael@0:             GtkWidget *entry;
michael@0:             GtkSettings *settings;
michael@0:             gboolean select_on_focus;
michael@0: 
michael@0:             entry = gtk_entry_new();
michael@0:             g_object_ref_sink(entry);
michael@0:             settings = gtk_widget_get_settings(entry);
michael@0:             g_object_get(settings, 
michael@0:                          "gtk-entry-select-on-focus",
michael@0:                          &select_on_focus,
michael@0:                          nullptr);
michael@0:             
michael@0:             if(select_on_focus)
michael@0:                 aResult = 1;
michael@0:             else
michael@0:                 aResult = 0;
michael@0: 
michael@0:             gtk_widget_destroy(entry);
michael@0:             g_object_unref(entry);
michael@0:         }
michael@0:         break;
michael@0:     case eIntID_SubmenuDelay:
michael@0:         {
michael@0:             GtkSettings *settings;
michael@0:             gint delay;
michael@0: 
michael@0:             settings = gtk_settings_get_default ();
michael@0:             g_object_get (settings, "gtk-menu-popup-delay", &delay, nullptr);
michael@0:             aResult = (int32_t) delay;
michael@0:             break;
michael@0:         }
michael@0:     case eIntID_TooltipDelay:
michael@0:         {
michael@0:             aResult = 500;
michael@0:             break;
michael@0:         }
michael@0:     case eIntID_MenusCanOverlapOSBar:
michael@0:         // we want XUL popups to be able to overlap the task bar.
michael@0:         aResult = 1;
michael@0:         break;
michael@0:     case eIntID_SkipNavigatingDisabledMenuItem:
michael@0:         aResult = 1;
michael@0:         break;
michael@0:     case eIntID_DragThresholdX:
michael@0:     case eIntID_DragThresholdY:
michael@0:         {
michael@0:             GtkWidget* box = gtk_hbox_new(FALSE, 5);
michael@0:             gint threshold = 0;
michael@0:             g_object_get(gtk_widget_get_settings(box),
michael@0:                          "gtk-dnd-drag-threshold", &threshold,
michael@0:                          nullptr);
michael@0:             g_object_ref_sink(box);
michael@0:             
michael@0:             aResult = threshold;
michael@0:         }
michael@0:         break;
michael@0:     case eIntID_ScrollArrowStyle:
michael@0:         moz_gtk_init();
michael@0:         aResult =
michael@0:             ConvertGTKStepperStyleToMozillaScrollArrowStyle(moz_gtk_get_scrollbar_widget());
michael@0:         break;
michael@0:     case eIntID_ScrollSliderStyle:
michael@0:         aResult = eScrollThumbStyle_Proportional;
michael@0:         break;
michael@0:     case eIntID_TreeOpenDelay:
michael@0:         aResult = 1000;
michael@0:         break;
michael@0:     case eIntID_TreeCloseDelay:
michael@0:         aResult = 1000;
michael@0:         break;
michael@0:     case eIntID_TreeLazyScrollDelay:
michael@0:         aResult = 150;
michael@0:         break;
michael@0:     case eIntID_TreeScrollDelay:
michael@0:         aResult = 100;
michael@0:         break;
michael@0:     case eIntID_TreeScrollLinesMax:
michael@0:         aResult = 3;
michael@0:         break;
michael@0:     case eIntID_DWMCompositor:
michael@0:     case eIntID_WindowsClassic:
michael@0:     case eIntID_WindowsDefaultTheme:
michael@0:     case eIntID_WindowsThemeIdentifier:
michael@0:     case eIntID_OperatingSystemVersionIdentifier:
michael@0:         aResult = 0;
michael@0:         res = NS_ERROR_NOT_IMPLEMENTED;
michael@0:         break;
michael@0:     case eIntID_TouchEnabled:
michael@0:         aResult = 0;
michael@0:         res = NS_ERROR_NOT_IMPLEMENTED;
michael@0:         break;
michael@0:     case eIntID_MacGraphiteTheme:
michael@0:     case eIntID_MacLionTheme:
michael@0:         aResult = 0;
michael@0:         res = NS_ERROR_NOT_IMPLEMENTED;
michael@0:         break;
michael@0:     case eIntID_AlertNotificationOrigin:
michael@0:         aResult = NS_ALERT_TOP;
michael@0:         break;
michael@0:     case eIntID_IMERawInputUnderlineStyle:
michael@0:     case eIntID_IMEConvertedTextUnderlineStyle:
michael@0:         aResult = NS_STYLE_TEXT_DECORATION_STYLE_SOLID;
michael@0:         break;
michael@0:     case eIntID_IMESelectedRawTextUnderlineStyle:
michael@0:     case eIntID_IMESelectedConvertedTextUnderline:
michael@0:         aResult = NS_STYLE_TEXT_DECORATION_STYLE_NONE;
michael@0:         break;
michael@0:     case eIntID_SpellCheckerUnderlineStyle:
michael@0:         aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
michael@0:         break;
michael@0:     case eIntID_ImagesInMenus:
michael@0:         aResult = moz_gtk_images_in_menus();
michael@0:         break;
michael@0:     case eIntID_ImagesInButtons:
michael@0:         aResult = moz_gtk_images_in_buttons();
michael@0:         break;
michael@0:     case eIntID_MenuBarDrag:
michael@0:         aResult = sMenuSupportsDrag;
michael@0:         break;
michael@0:     case eIntID_ScrollbarButtonAutoRepeatBehavior:
michael@0:         aResult = 1;
michael@0:         break;
michael@0:     case eIntID_SwipeAnimationEnabled:
michael@0:         aResult = 0;
michael@0:         break;
michael@0:     case eIntID_ColorPickerAvailable:
michael@0:         aResult = 1;
michael@0:         break;
michael@0:     default:
michael@0:         aResult = 0;
michael@0:         res     = NS_ERROR_FAILURE;
michael@0:     }
michael@0: 
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
michael@0: {
michael@0:     nsresult res = NS_OK;
michael@0:     res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
michael@0:     if (NS_SUCCEEDED(res))
michael@0:         return res;
michael@0:     res = NS_OK;
michael@0: 
michael@0:     switch (aID) {
michael@0:     case eFloatID_IMEUnderlineRelativeSize:
michael@0:         aResult = 1.0f;
michael@0:         break;
michael@0:     case eFloatID_SpellCheckerUnderlineRelativeSize:
michael@0:         aResult = 1.0f;
michael@0:         break;
michael@0:     case eFloatID_CaretAspectRatio:
michael@0:         aResult = sCaretRatio;
michael@0:         break;
michael@0:     default:
michael@0:         aResult = -1.0;
michael@0:         res = NS_ERROR_FAILURE;
michael@0:     }
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: static void
michael@0: GetSystemFontInfo(GtkWidget *aWidget,
michael@0:                   nsString *aFontName,
michael@0:                   gfxFontStyle *aFontStyle)
michael@0: {
michael@0:     GtkSettings *settings = gtk_widget_get_settings(aWidget);
michael@0: 
michael@0:     aFontStyle->style       = NS_FONT_STYLE_NORMAL;
michael@0: 
michael@0:     gchar *fontname;
michael@0:     g_object_get(settings, "gtk-font-name", &fontname, nullptr);
michael@0: 
michael@0:     PangoFontDescription *desc;
michael@0:     desc = pango_font_description_from_string(fontname);
michael@0: 
michael@0:     aFontStyle->systemFont = true;
michael@0: 
michael@0:     g_free(fontname);
michael@0: 
michael@0:     NS_NAMED_LITERAL_STRING(quote, "\"");
michael@0:     NS_ConvertUTF8toUTF16 family(pango_font_description_get_family(desc));
michael@0:     *aFontName = quote + family + quote;
michael@0: 
michael@0:     aFontStyle->weight = pango_font_description_get_weight(desc);
michael@0: 
michael@0:     // FIXME: Set aFontStyle->stretch correctly!
michael@0:     aFontStyle->stretch = NS_FONT_STRETCH_NORMAL;
michael@0: 
michael@0:     float size = float(pango_font_description_get_size(desc)) / PANGO_SCALE;
michael@0: 
michael@0:     // |size| is now either pixels or pango-points (not Mozilla-points!)
michael@0: 
michael@0:     if (!pango_font_description_get_size_is_absolute(desc)) {
michael@0:         // |size| is in pango-points, so convert to pixels.
michael@0:         size *= float(gfxPlatformGtk::GetDPI()) / POINTS_PER_INCH_FLOAT;
michael@0:     }
michael@0: 
michael@0:     // |size| is now pixels
michael@0: 
michael@0:     aFontStyle->size = size;
michael@0: 
michael@0:     pango_font_description_free(desc);
michael@0: }
michael@0: 
michael@0: static void
michael@0: GetSystemFontInfo(LookAndFeel::FontID aID,
michael@0:                   nsString *aFontName,
michael@0:                   gfxFontStyle *aFontStyle)
michael@0: {
michael@0:     if (aID == LookAndFeel::eFont_Widget) {
michael@0:         GtkWidget *label = gtk_label_new("M");
michael@0:         GtkWidget *parent = gtk_fixed_new();
michael@0:         GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP);
michael@0: 
michael@0:         gtk_container_add(GTK_CONTAINER(parent), label);
michael@0:         gtk_container_add(GTK_CONTAINER(window), parent);
michael@0: 
michael@0:         gtk_widget_ensure_style(label);
michael@0:         GetSystemFontInfo(label, aFontName, aFontStyle);
michael@0:         gtk_widget_destroy(window);  // no unref, windows are different
michael@0: 
michael@0:     } else if (aID == LookAndFeel::eFont_Button) {
michael@0:         GtkWidget *label = gtk_label_new("M");
michael@0:         GtkWidget *parent = gtk_fixed_new();
michael@0:         GtkWidget *button = gtk_button_new();
michael@0:         GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP);
michael@0: 
michael@0:         gtk_container_add(GTK_CONTAINER(button), label);
michael@0:         gtk_container_add(GTK_CONTAINER(parent), button);
michael@0:         gtk_container_add(GTK_CONTAINER(window), parent);
michael@0: 
michael@0:         gtk_widget_ensure_style(label);
michael@0:         GetSystemFontInfo(label, aFontName, aFontStyle);
michael@0:         gtk_widget_destroy(window);  // no unref, windows are different
michael@0: 
michael@0:     } else if (aID == LookAndFeel::eFont_Field) {
michael@0:         GtkWidget *entry = gtk_entry_new();
michael@0:         GtkWidget *parent = gtk_fixed_new();
michael@0:         GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP);
michael@0: 
michael@0:         gtk_container_add(GTK_CONTAINER(parent), entry);
michael@0:         gtk_container_add(GTK_CONTAINER(window), parent);
michael@0: 
michael@0:         gtk_widget_ensure_style(entry);
michael@0:         GetSystemFontInfo(entry, aFontName, aFontStyle);
michael@0:         gtk_widget_destroy(window);  // no unref, windows are different
michael@0: 
michael@0:     } else {
michael@0:         NS_ABORT_IF_FALSE(aID == LookAndFeel::eFont_Menu, "unexpected font ID");
michael@0:         GtkWidget *accel_label = gtk_accel_label_new("M");
michael@0:         GtkWidget *menuitem = gtk_menu_item_new();
michael@0:         GtkWidget *menu = gtk_menu_new();
michael@0:         g_object_ref_sink(menu);
michael@0: 
michael@0:         gtk_container_add(GTK_CONTAINER(menuitem), accel_label);
michael@0:         gtk_menu_shell_append((GtkMenuShell *)GTK_MENU(menu), menuitem);
michael@0: 
michael@0:         gtk_widget_ensure_style(accel_label);
michael@0:         GetSystemFontInfo(accel_label, aFontName, aFontStyle);
michael@0:         g_object_unref(menu);
michael@0:     }
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsLookAndFeel::GetFontImpl(FontID aID, nsString& aFontName,
michael@0:                            gfxFontStyle& aFontStyle,
michael@0:                            float aDevPixPerCSSPixel)
michael@0: {
michael@0:   nsString *cachedFontName = nullptr;
michael@0:   gfxFontStyle *cachedFontStyle = nullptr;
michael@0:   bool *isCached = nullptr;
michael@0: 
michael@0:   switch (aID) {
michael@0:     case eFont_Menu:         // css2
michael@0:     case eFont_PullDownMenu: // css3
michael@0:       cachedFontName = &mMenuFontName;
michael@0:       cachedFontStyle = &mMenuFontStyle;
michael@0:       isCached = &mMenuFontCached;
michael@0:       aID = eFont_Menu;
michael@0:       break;
michael@0: 
michael@0:     case eFont_Field:        // css3
michael@0:     case eFont_List:         // css3
michael@0:       cachedFontName = &mFieldFontName;
michael@0:       cachedFontStyle = &mFieldFontStyle;
michael@0:       isCached = &mFieldFontCached;
michael@0:       aID = eFont_Field;
michael@0:       break;
michael@0: 
michael@0:     case eFont_Button:       // css3
michael@0:       cachedFontName = &mButtonFontName;
michael@0:       cachedFontStyle = &mButtonFontStyle;
michael@0:       isCached = &mButtonFontCached;
michael@0:       break;
michael@0: 
michael@0:     case eFont_Caption:      // css2
michael@0:     case eFont_Icon:         // css2
michael@0:     case eFont_MessageBox:   // css2
michael@0:     case eFont_SmallCaption: // css2
michael@0:     case eFont_StatusBar:    // css2
michael@0:     case eFont_Window:       // css3
michael@0:     case eFont_Document:     // css3
michael@0:     case eFont_Workspace:    // css3
michael@0:     case eFont_Desktop:      // css3
michael@0:     case eFont_Info:         // css3
michael@0:     case eFont_Dialog:       // css3
michael@0:     case eFont_Tooltips:     // moz
michael@0:     case eFont_Widget:       // moz
michael@0:       cachedFontName = &mDefaultFontName;
michael@0:       cachedFontStyle = &mDefaultFontStyle;
michael@0:       isCached = &mDefaultFontCached;
michael@0:       aID = eFont_Widget;
michael@0:       break;
michael@0:   }
michael@0: 
michael@0:   if (!*isCached) {
michael@0:     GetSystemFontInfo(aID, cachedFontName, cachedFontStyle);
michael@0:     *isCached = true;
michael@0:   }
michael@0: 
michael@0:   aFontName = *cachedFontName;
michael@0:   aFontStyle = *cachedFontStyle;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 3)
michael@0: static GtkStyleContext*
michael@0: create_context(GtkWidgetPath *path)
michael@0: {
michael@0:     GtkStyleContext *style = gtk_style_context_new();
michael@0:     gtk_style_context_set_path(style, path);
michael@0:     return(style);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: void
michael@0: nsLookAndFeel::Init()
michael@0: {
michael@0:     GdkColor colorValue;
michael@0:     GdkColor *colorValuePtr;
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     NS_ASSERTION(!mStyle, "already initialized");
michael@0:     // GtkInvisibles come with a refcount that is not floating
michael@0:     // (since their initialization code calls g_object_ref_sink) and
michael@0:     // their destroy code releases that reference (which means they
michael@0:     // have to be explicitly destroyed, since calling unref enough
michael@0:     // to cause destruction would lead to *another* unref).
michael@0:     // However, this combination means that it's actually still ok
michael@0:     // to use the normal pattern, which is to g_object_ref_sink
michael@0:     // after construction, and then destroy *and* unref when we're
michael@0:     // done.  (Though we could skip the g_object_ref_sink and the
michael@0:     // corresponding g_object_unref, but that's particular to
michael@0:     // GtkInvisibles and GtkWindows.)
michael@0:     GtkWidget *widget = gtk_invisible_new();
michael@0:     g_object_ref_sink(widget); // effectively g_object_ref (see above)
michael@0: 
michael@0:     gtk_widget_ensure_style(widget);
michael@0:     mStyle = gtk_style_copy(gtk_widget_get_style(widget));
michael@0: 
michael@0:     gtk_widget_destroy(widget);
michael@0:     g_object_unref(widget);
michael@0:         
michael@0:     // tooltip foreground and background
michael@0:     GtkStyle *style = gtk_rc_get_style_by_paths(gtk_settings_get_default(),
michael@0:                                                 "gtk-tooltips", "GtkWindow",
michael@0:                                                 GTK_TYPE_WINDOW);
michael@0:     if (style) {
michael@0:         sInfoBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]);
michael@0:         sInfoText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]);
michael@0:     }
michael@0: 
michael@0:     // menu foreground & menu background
michael@0:     GtkWidget *accel_label = gtk_accel_label_new("M");
michael@0:     GtkWidget *menuitem = gtk_menu_item_new();
michael@0:     GtkWidget *menu = gtk_menu_new();
michael@0: 
michael@0:     g_object_ref_sink(menu);
michael@0: 
michael@0:     gtk_container_add(GTK_CONTAINER(menuitem), accel_label);
michael@0:     gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
michael@0: 
michael@0:     gtk_widget_set_style(accel_label, nullptr);
michael@0:     gtk_widget_set_style(menu, nullptr);
michael@0:     gtk_widget_realize(menu);
michael@0:     gtk_widget_realize(accel_label);
michael@0: 
michael@0:     style = gtk_widget_get_style(accel_label);
michael@0:     if (style) {
michael@0:         sMenuText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]);
michael@0:     }
michael@0: 
michael@0:     style = gtk_widget_get_style(menu);
michael@0:     if (style) {
michael@0:         sMenuBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]);
michael@0:     }
michael@0:     
michael@0:     style = gtk_widget_get_style(menuitem);
michael@0:     if (style) {
michael@0:         sMenuHover = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_PRELIGHT]);
michael@0:         sMenuHoverText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_PRELIGHT]);
michael@0:     }
michael@0: 
michael@0:     g_object_unref(menu);
michael@0: #else
michael@0:     GdkRGBA color;
michael@0:     GtkStyleContext *style;
michael@0: 
michael@0:     // Gtk manages a screen's CSS in the settings object so we
michael@0:     // ask Gtk to create it explicitly. Otherwise we may end up 
michael@0:     // with wrong color theme, see Bug 972382
michael@0:     (void)gtk_settings_get_for_screen(gdk_screen_get_default());
michael@0: 
michael@0:     GtkWidgetPath *path = gtk_widget_path_new();
michael@0:     gtk_widget_path_append_type(path, GTK_TYPE_WINDOW);
michael@0: 
michael@0:     mBackgroundStyle = create_context(path);
michael@0:     gtk_style_context_add_class(mBackgroundStyle, GTK_STYLE_CLASS_BACKGROUND);
michael@0: 
michael@0:     mViewStyle = create_context(path);
michael@0:     gtk_style_context_add_class(mViewStyle, GTK_STYLE_CLASS_VIEW);
michael@0: 
michael@0:     mButtonStyle = create_context(path);
michael@0:     gtk_style_context_add_class(mButtonStyle, GTK_STYLE_CLASS_BUTTON); 
michael@0: 
michael@0:     // Scrollbar colors
michael@0:     style = create_context(path);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SCROLLBAR);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMozScrollbar = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     g_object_unref(style);
michael@0: 
michael@0:     // Text colors
michael@0:     gtk_style_context_get_background_color(mViewStyle, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMozFieldBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(mViewStyle, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMozFieldText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     // Window colors
michael@0:     style = create_context(path);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMozWindowBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMozWindowText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     // Selected text and background
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_SELECTED, &color);
michael@0:     sMozWindowSelectedBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_SELECTED, &color);
michael@0:     sMozWindowSelectedText = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     // tooltip foreground and background
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sInfoBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sInfoText = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     g_object_unref(style);
michael@0: 
michael@0:     // menu foreground & menu background
michael@0:     GtkWidget *accel_label = gtk_accel_label_new("M");
michael@0:     GtkWidget *menuitem = gtk_menu_item_new();
michael@0:     GtkWidget *menu = gtk_menu_new();
michael@0: 
michael@0:     g_object_ref_sink(menu);
michael@0: 
michael@0:     gtk_container_add(GTK_CONTAINER(menuitem), accel_label);
michael@0:     gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(accel_label);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMenuText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(menu);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMenuBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(menuitem);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
michael@0:     sMenuHover = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
michael@0:     sMenuHoverText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     g_object_unref(menu);
michael@0: #endif
michael@0: 
michael@0:     // button styles
michael@0:     GtkWidget *parent = gtk_fixed_new();
michael@0:     GtkWidget *button = gtk_button_new();
michael@0:     GtkWidget *label = gtk_label_new("M");
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     GtkWidget *combobox = gtk_combo_box_new();
michael@0:     GtkWidget *comboboxLabel = gtk_label_new("M");
michael@0:     gtk_container_add(GTK_CONTAINER(combobox), comboboxLabel);
michael@0: #else
michael@0:     GtkWidget *combobox = gtk_combo_box_new_with_entry();
michael@0:     GtkWidget *comboboxLabel = gtk_bin_get_child(GTK_BIN(combobox));
michael@0: #endif
michael@0:     GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP);
michael@0:     GtkWidget *treeView = gtk_tree_view_new();
michael@0:     GtkWidget *linkButton = gtk_link_button_new("http://example.com/");
michael@0:     GtkWidget *menuBar = gtk_menu_bar_new();
michael@0:     GtkWidget *entry = gtk_entry_new();
michael@0: 
michael@0:     gtk_container_add(GTK_CONTAINER(button), label);
michael@0:     gtk_container_add(GTK_CONTAINER(parent), button);
michael@0:     gtk_container_add(GTK_CONTAINER(parent), treeView);
michael@0:     gtk_container_add(GTK_CONTAINER(parent), linkButton);
michael@0:     gtk_container_add(GTK_CONTAINER(parent), combobox);
michael@0:     gtk_container_add(GTK_CONTAINER(parent), menuBar);
michael@0:     gtk_container_add(GTK_CONTAINER(window), parent);
michael@0:     gtk_container_add(GTK_CONTAINER(parent), entry);
michael@0:     
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     gtk_widget_set_style(button, nullptr);
michael@0:     gtk_widget_set_style(label, nullptr);
michael@0:     gtk_widget_set_style(treeView, nullptr);
michael@0:     gtk_widget_set_style(linkButton, nullptr);
michael@0:     gtk_widget_set_style(combobox, nullptr);
michael@0:     gtk_widget_set_style(comboboxLabel, nullptr);
michael@0:     gtk_widget_set_style(menuBar, nullptr);
michael@0:     gtk_widget_set_style(entry, nullptr);
michael@0: 
michael@0:     gtk_widget_realize(button);
michael@0:     gtk_widget_realize(label);
michael@0:     gtk_widget_realize(treeView);
michael@0:     gtk_widget_realize(linkButton);
michael@0:     gtk_widget_realize(combobox);
michael@0:     gtk_widget_realize(comboboxLabel);
michael@0:     gtk_widget_realize(menuBar);
michael@0:     gtk_widget_realize(entry);
michael@0: 
michael@0:     style = gtk_widget_get_style(label);
michael@0:     if (style) {
michael@0:         sButtonText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]);
michael@0:     }
michael@0: 
michael@0:     style = gtk_widget_get_style(comboboxLabel);
michael@0:     if (style) {
michael@0:         sComboBoxText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]);
michael@0:     }
michael@0:     style = gtk_widget_get_style(combobox);
michael@0:     if (style) {
michael@0:         sComboBoxBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]);
michael@0:     }
michael@0: 
michael@0:     style = gtk_widget_get_style(menuBar);
michael@0:     if (style) {
michael@0:         sMenuBarText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_NORMAL]);
michael@0:         sMenuBarHoverText = GDK_COLOR_TO_NS_RGB(style->fg[GTK_STATE_SELECTED]);
michael@0:     }
michael@0: 
michael@0:     // GTK's guide to fancy odd row background colors:
michael@0:     // 1) Check if a theme explicitly defines an odd row color
michael@0:     // 2) If not, check if it defines an even row color, and darken it
michael@0:     //    slightly by a hardcoded value (gtkstyle.c)
michael@0:     // 3) If neither are defined, take the base background color and
michael@0:     //    darken that by a hardcoded value
michael@0:     colorValuePtr = nullptr;
michael@0:     gtk_widget_style_get(treeView,
michael@0:                          "odd-row-color", &colorValuePtr,
michael@0:                          nullptr);
michael@0: 
michael@0:     if (colorValuePtr) {
michael@0:         colorValue = *colorValuePtr;
michael@0:     } else {
michael@0:         gtk_widget_style_get(treeView,
michael@0:                              "even-row-color", &colorValuePtr,
michael@0:                              nullptr);
michael@0:         if (colorValuePtr)
michael@0:             darken_gdk_color(colorValuePtr, &colorValue);
michael@0:         else
michael@0:             darken_gdk_color(&treeView->style->base[GTK_STATE_NORMAL], &colorValue);
michael@0:     }
michael@0: 
michael@0:     sOddCellBackground = GDK_COLOR_TO_NS_RGB(colorValue);
michael@0:     if (colorValuePtr)
michael@0:         gdk_color_free(colorValuePtr);
michael@0: 
michael@0:     style = gtk_widget_get_style(button);
michael@0:     if (style) {
michael@0:         sButtonBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]);
michael@0:         sButtonOuterLightBorder =
michael@0:             GDK_COLOR_TO_NS_RGB(style->light[GTK_STATE_NORMAL]);
michael@0:         sButtonInnerDarkBorder =
michael@0:             GDK_COLOR_TO_NS_RGB(style->dark[GTK_STATE_NORMAL]);
michael@0:     }
michael@0: #else
michael@0:     // Button text, background, border
michael@0:     style = gtk_widget_get_style_context(label);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sButtonText = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
michael@0:     sButtonHoverText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     // Combobox label and background colors
michael@0:     style = gtk_widget_get_style_context(comboboxLabel);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sComboBoxText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(combobox);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sComboBoxBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     // Menubar text and hover text colors    
michael@0:     style = gtk_widget_get_style_context(menuBar);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sMenuBarText = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
michael@0:     sMenuBarHoverText = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     // GTK's guide to fancy odd row background colors:
michael@0:     // 1) Check if a theme explicitly defines an odd row color
michael@0:     // 2) If not, check if it defines an even row color, and darken it
michael@0:     //    slightly by a hardcoded value (gtkstyle.c)
michael@0:     // 3) If neither are defined, take the base background color and
michael@0:     //    darken that by a hardcoded value
michael@0:     style = gtk_widget_get_style_context(treeView);
michael@0: 
michael@0:     // Get odd row background color
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_region(style, GTK_STYLE_REGION_ROW, GTK_REGION_ODD);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sOddCellBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(button);
michael@0:     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sButtonBackground = GDK_RGBA_TO_NS_RGBA(color);
michael@0: 
michael@0:     gtk_style_context_get_border_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
michael@0:     sButtonInnerDarkBorder = GDK_RGBA_TO_NS_RGBA(color);
michael@0:     gtk_style_context_get_border_color(style, GTK_STATE_FLAG_NORMAL, &color);
michael@0:     sButtonOuterLightBorder = GDK_RGBA_TO_NS_RGBA(color);
michael@0: #endif
michael@0:     // Some themes have a unified menu bar, and support window dragging on it
michael@0:     gboolean supports_menubar_drag = FALSE;
michael@0:     GParamSpec *param_spec =
michael@0:         gtk_widget_class_find_style_property(GTK_WIDGET_GET_CLASS(menuBar),
michael@0:                                              "window-dragging");
michael@0:     if (param_spec) {
michael@0:         if (g_type_is_a(G_PARAM_SPEC_VALUE_TYPE(param_spec), G_TYPE_BOOLEAN)) {
michael@0:             gtk_widget_style_get(menuBar,
michael@0:                                  "window-dragging", &supports_menubar_drag,
michael@0:                                  nullptr);
michael@0:         }
michael@0:     }
michael@0:     sMenuSupportsDrag = supports_menubar_drag;
michael@0: 
michael@0:     colorValuePtr = nullptr;
michael@0:     gtk_widget_style_get(linkButton, "link-color", &colorValuePtr, nullptr);
michael@0:     if (colorValuePtr) {
michael@0:         colorValue = *colorValuePtr; // we can't pass deref pointers to GDK_COLOR_TO_NS_RGB
michael@0:         sNativeHyperLinkText = GDK_COLOR_TO_NS_RGB(colorValue);
michael@0:         gdk_color_free(colorValuePtr);
michael@0:     } else {
michael@0:         sNativeHyperLinkText = NS_RGB(0x00,0x00,0xEE);
michael@0:     }
michael@0: 
michael@0:     // invisible character styles
michael@0:     guint value;
michael@0:     g_object_get (entry, "invisible-char", &value, nullptr);
michael@0:     sInvisibleCharacter = char16_t(value);
michael@0: 
michael@0:     // caret styles
michael@0:     gtk_widget_style_get(entry,
michael@0:                          "cursor-aspect-ratio", &sCaretRatio,
michael@0:                          nullptr);
michael@0: 
michael@0:     gtk_widget_destroy(window);
michael@0: }
michael@0: 
michael@0: // virtual
michael@0: char16_t
michael@0: nsLookAndFeel::GetPasswordCharacterImpl()
michael@0: {
michael@0:     return sInvisibleCharacter;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsLookAndFeel::RefreshImpl()
michael@0: {
michael@0:     nsXPLookAndFeel::RefreshImpl();
michael@0: 
michael@0:     mDefaultFontCached = false;
michael@0:     mButtonFontCached = false;
michael@0:     mFieldFontCached = false;
michael@0:     mMenuFontCached = false;
michael@0: 
michael@0: #if (MOZ_WIDGET_GTK == 2)
michael@0:     g_object_unref(mStyle);
michael@0:     mStyle = nullptr;
michael@0: #else
michael@0:     g_object_unref(mBackgroundStyle);
michael@0:     g_object_unref(mViewStyle);
michael@0:     g_object_unref(mButtonStyle);
michael@0: 
michael@0:     mBackgroundStyle = nullptr;
michael@0:     mViewStyle = nullptr;
michael@0:     mButtonStyle = nullptr;
michael@0: #endif
michael@0: 
michael@0:     Init();
michael@0: }
michael@0: 
michael@0: bool
michael@0: nsLookAndFeel::GetEchoPasswordImpl() {
michael@0:     return false;
michael@0: }