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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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
#ifndef mozilla_widget_GtkWidgets_h
#define mozilla_widget_GtkWidgets_h
#include <gtk/gtk.h>
#include <cstdint>
namespace mozilla::widget::GtkWidgets {
enum class Type : uint32_t {
// GtkButton
Button = 0,
// Vertical GtkScrollbar
Scrollbar,
ScrollbarContents,
ScrollbarTrough,
ScrollbarThumb,
// GtkTextView
TextView,
// The "text" window or node of a GtkTextView
TextViewText,
// The "selection" node of a GtkTextView.text
TextViewTextSelection,
// GtkToolTip
Tooltip,
// GtkBox from GtkToolTip
TooltipBox,
// GtkLabel of GtkToolTip
TooltipBoxLabel,
// GtkFrame (e.g. a status bar panel)
Frame,
// Border of a GtkFrame
FrameBorder,
// Expander and border of a GtkTreeView
TreeView,
// Paints treeheader cells
TreeHeaderCell,
// Background of menus, context menus.
Menupopup,
// Menubar for -moz-headerbar colors
Menubar,
// Items of popup menus
Menuitem,
// Menubar menuitem for foreground colors
MenubarItem,
// Background of a window, dialog or page.
Window,
// Used only as a container for HeaderBar.
HeaderBarFixed,
// Window container for all widgets
WindowContainer,
// Used for scrolled window shell.
ScrolledWindow,
// GtkHeaderBar
HeaderBar,
// Client-side window decoration node. Available on GTK 3.20+
WindowDecoration,
Last = WindowDecoration,
};
static constexpr size_t kTypeCount = size_t(Type::Last) + 1;
void Refresh();
void Shutdown();
// Gets a non-owning pointer to a given widget.
GtkWidget* Get(Type);
struct DrawingParams {
// widget to paint
Type widget;
// bounding rectangle for the widget
GdkRectangle rect{};
GtkStateFlags state = GTK_STATE_FLAG_NORMAL;
gint image_scale = 1;
};
// Paint a widget in the current theme.
void Draw(cairo_t* cr, const DrawingParams*);
/**
* Returns a pointer to a style context for the specified node and state.
* aStateFlags is applied only to last widget in css style path,
* for instance GetStyleContext(MOZ_GTK_BUTTON, .., GTK_STATE_FLAG_HOVER)
* you get "window button:hover" css selector.
*
* The context is static. Do not unref.
*/
GtkStyleContext* GetStyle(Type, int aScale = 1,
GtkStateFlags aStateFlags = GTK_STATE_FLAG_NORMAL);
/**
* Return a new style context based on aWidget, as a child of aParentStyle.
* If aWidget still has a floating reference, then it is sunk and released.
*/
GtkStyleContext* CreateStyleForWidget(GtkWidget* aWidget,
GtkStyleContext* aParentStyle);
} // namespace mozilla::widget::GtkWidgets
#endif