widget/gtk/WidgetStyleCache.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef WidgetStyleCache_h
   8 #define WidgetStyleCache_h
   9
  10 #include <gtk/gtk.h>
  11 #include "gtkdrawing.h"
  12
  13 GtkWidget* GetWidget(WidgetNodeType aNodeType);
  14
  15 cairo_surface_t* GetWidgetIconSurface(GtkWidget* aWidgetIcon, int aScale);
  16
  17 /*
  18  * Return a new style context based on aWidget, as a child of aParentStyle.
  19  * If aWidget still has a floating reference, then it is sunk and released.
  20  */
  21 GtkStyleContext* CreateStyleForWidget(GtkWidget* aWidget,
  22                                       GtkStyleContext* aParentStyle);
  23
  24 GtkStyleContext* CreateCSSNode(const char* aName, GtkStyleContext* aParentStyle,
  25                                GType aType = G_TYPE_NONE);
  26
  27 /*
  28  * Returns a pointer to a style context for the specified node and state.
  29  * aStateFlags is applied only to last widget in css style path,
  30  * for instance GetStyleContext(MOZ_GTK_BUTTON, .., GTK_STATE_FLAG_HOVER)
  31  * you get "window button:hover" css selector.
  32  * If you want aStateFlags applied to all path elements use
  33  * CreateStyleContextWithStates().
  34  *
  35  * The context is owned by WidgetStyleCache. Do not unref.
  36  */
  37 GtkStyleContext* GetStyleContext(
  38     WidgetNodeType aNodeType, int aScale = 1,
  39     GtkTextDirection aDirection = GTK_TEXT_DIR_NONE,
  40     GtkStateFlags aStateFlags = GTK_STATE_FLAG_NORMAL);
  41
  42 /*
  43  * Returns a pointer to a style context for the specified node
  44  * and state applied to all elements at widget style path.
  45  *
  46  * The context is owned by caller and must be released by g_object_unref().
  47  */
  48 GtkStyleContext* CreateStyleContextWithStates(
  49     WidgetNodeType aNodeType, int aScale = 1,
  50     GtkTextDirection aDirection = GTK_TEXT_DIR_NONE,
  51     GtkStateFlags aStateFlags = GTK_STATE_FLAG_NORMAL);
  52
  53 void ResetWidgetCache();
  54
  55 bool IsSolidCSDStyleUsed();
  56
  57 void StyleContextSetScale(GtkStyleContext* style, gint aScaleFactor);
  58
  59 gint GetBorderRadius(GtkStyleContext* aStyle);
  60
  61 bool HeaderBarShouldDrawContainer(WidgetNodeType);
  62
  63 #endif  // WidgetStyleCache_h