зеркало из https://github.com/mozilla/gecko-dev.git
626 строки
21 KiB
C++
626 строки
21 KiB
C++
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* gtkdrawing.h: GTK widget rendering utilities
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*
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* gtkdrawing provides an API for rendering GTK widgets in the
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* current theme to a pixmap or window, without requiring an actual
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* widget instantiation, similar to the Macintosh Appearance Manager
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* or Windows XP's DrawThemeBackground() API.
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*/
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#ifndef _GTK_DRAWING_H_
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#define _GTK_DRAWING_H_
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#include <gdk/gdk.h>
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#include <gtk/gtk.h>
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#include <algorithm>
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/*** type definitions ***/
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typedef struct {
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guint8 active;
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guint8 focused;
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guint8 selected;
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guint8 inHover;
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guint8 disabled;
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guint8 isDefault;
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guint8 canDefault;
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/* The depressed state is for buttons which remain active for a longer period:
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* activated toggle buttons or buttons showing a popup menu. */
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guint8 depressed;
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guint8 backdrop;
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gint32 curpos; /* curpos and maxpos are used for scrollbars */
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gint32 maxpos;
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gint32 scale; /* actual widget scale */
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} GtkWidgetState;
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/**
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* A size in the same GTK pixel units as GtkBorder and GdkRectangle.
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*/
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struct MozGtkSize {
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gint width;
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gint height;
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MozGtkSize& operator+=(const GtkBorder& aBorder) {
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width += aBorder.left + aBorder.right;
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height += aBorder.top + aBorder.bottom;
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return *this;
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}
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MozGtkSize operator+(const GtkBorder& aBorder) const {
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MozGtkSize result = *this;
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return result += aBorder;
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}
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bool operator<(const MozGtkSize& aOther) const {
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return (width < aOther.width && height <= aOther.height) ||
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(width <= aOther.width && height < aOther.height);
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}
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void Include(MozGtkSize aOther) {
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width = std::max(width, aOther.width);
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height = std::max(height, aOther.height);
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}
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void Rotate() {
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gint tmp = width;
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width = height;
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height = tmp;
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}
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};
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typedef struct {
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bool initialized;
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struct {
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MozGtkSize scrollbar;
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MozGtkSize thumb;
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MozGtkSize button;
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} size;
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struct {
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GtkBorder scrollbar;
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GtkBorder track;
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} border;
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struct {
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GtkBorder thumb;
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} margin;
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} ScrollbarGTKMetrics;
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typedef struct {
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bool initialized;
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MozGtkSize minSizeWithBorder;
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GtkBorder borderAndPadding;
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} ToggleGTKMetrics;
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typedef struct {
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MozGtkSize minSizeWithBorderMargin;
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GtkBorder buttonMargin;
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gint iconXPosition;
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gint iconYPosition;
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bool visible;
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bool firstButton;
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bool lastButton;
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} ToolbarButtonGTKMetrics;
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#define TOOLBAR_BUTTONS 3
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typedef struct {
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bool initialized;
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ToolbarButtonGTKMetrics button[TOOLBAR_BUTTONS];
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} ToolbarGTKMetrics;
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typedef enum {
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MOZ_GTK_STEPPER_DOWN = 1 << 0,
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MOZ_GTK_STEPPER_BOTTOM = 1 << 1,
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MOZ_GTK_STEPPER_VERTICAL = 1 << 2
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} GtkScrollbarButtonFlags;
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typedef enum { MOZ_GTK_TRACK_OPAQUE = 1 << 0 } GtkScrollbarTrackFlags;
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/** flags for tab state **/
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typedef enum {
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/* first eight bits are used to pass a margin */
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MOZ_GTK_TAB_MARGIN_MASK = 0xFF,
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/* the first tab in the group */
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MOZ_GTK_TAB_FIRST = 1 << 9,
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/* the selected tab */
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MOZ_GTK_TAB_SELECTED = 1 << 10
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} GtkTabFlags;
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/*** result/error codes ***/
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#define MOZ_GTK_SUCCESS 0
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#define MOZ_GTK_UNKNOWN_WIDGET -1
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#define MOZ_GTK_UNSAFE_THEME -2
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/*** checkbox/radio flags ***/
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#define MOZ_GTK_WIDGET_CHECKED 1
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#define MOZ_GTK_WIDGET_INCONSISTENT (1 << 1)
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/*** widget type constants ***/
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typedef enum {
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/* Paints a GtkButton. flags is a GtkReliefStyle. */
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MOZ_GTK_BUTTON,
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/* Paints a button with image and no text */
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MOZ_GTK_TOOLBAR_BUTTON,
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/* Paints a toggle button */
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MOZ_GTK_TOGGLE_BUTTON,
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/* Paints a button arrow */
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MOZ_GTK_BUTTON_ARROW,
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/* Paints the container part of a GtkCheckButton. */
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MOZ_GTK_CHECKBUTTON_CONTAINER,
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/* Paints a GtkCheckButton. flags is a boolean, 1=checked, 0=not checked. */
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MOZ_GTK_CHECKBUTTON,
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/* Paints the label of a GtkCheckButton (focus outline) */
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MOZ_GTK_CHECKBUTTON_LABEL,
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/* Paints the container part of a GtkRadioButton. */
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MOZ_GTK_RADIOBUTTON_CONTAINER,
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/* Paints a GtkRadioButton. flags is a boolean, 1=checked, 0=not checked. */
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MOZ_GTK_RADIOBUTTON,
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/* Paints the label of a GtkRadioButton (focus outline) */
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MOZ_GTK_RADIOBUTTON_LABEL,
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/**
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* Paints the button of a GtkScrollbar. flags is a GtkArrowType giving
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* the arrow direction.
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*/
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MOZ_GTK_SCROLLBAR_BUTTON,
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/* Horizontal GtkScrollbar counterparts */
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MOZ_GTK_SCROLLBAR_HORIZONTAL,
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MOZ_GTK_SCROLLBAR_CONTENTS_HORIZONTAL,
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/* Paints the trough (track) of a GtkScrollbar. */
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MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL,
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/* Paints the slider (thumb) of a GtkScrollbar. */
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MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL,
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/* Vertical GtkScrollbar counterparts */
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MOZ_GTK_SCROLLBAR_VERTICAL,
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MOZ_GTK_SCROLLBAR_CONTENTS_VERTICAL,
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MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL,
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MOZ_GTK_SCROLLBAR_THUMB_VERTICAL,
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/* Paints a GtkScale. */
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MOZ_GTK_SCALE_HORIZONTAL,
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MOZ_GTK_SCALE_VERTICAL,
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/* Paints a GtkScale trough. */
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MOZ_GTK_SCALE_CONTENTS_HORIZONTAL,
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MOZ_GTK_SCALE_CONTENTS_VERTICAL,
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MOZ_GTK_SCALE_TROUGH_HORIZONTAL,
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MOZ_GTK_SCALE_TROUGH_VERTICAL,
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/* Paints a GtkScale thumb. */
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MOZ_GTK_SCALE_THUMB_HORIZONTAL,
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MOZ_GTK_SCALE_THUMB_VERTICAL,
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/* Paints a GtkSpinButton */
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MOZ_GTK_INNER_SPIN_BUTTON,
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MOZ_GTK_SPINBUTTON,
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MOZ_GTK_SPINBUTTON_UP,
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MOZ_GTK_SPINBUTTON_DOWN,
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MOZ_GTK_SPINBUTTON_ENTRY,
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/* Paints the gripper of a GtkHandleBox. */
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MOZ_GTK_GRIPPER,
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/* Paints a GtkEntry. */
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MOZ_GTK_ENTRY,
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/* Paints a GtkExpander. */
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MOZ_GTK_EXPANDER,
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/* Paints a GtkTextView or gets the style context corresponding to the
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root node of a GtkTextView. */
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MOZ_GTK_TEXT_VIEW,
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/* The "text" window or node of a GtkTextView */
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MOZ_GTK_TEXT_VIEW_TEXT,
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/* Paints a GtkOptionMenu. */
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MOZ_GTK_DROPDOWN,
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/* Paints a dropdown arrow (a GtkButton containing a down GtkArrow). */
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MOZ_GTK_DROPDOWN_ARROW,
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/* Paints an entry in an editable option menu */
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MOZ_GTK_DROPDOWN_ENTRY,
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/* Paints the background of a GtkHandleBox. */
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MOZ_GTK_TOOLBAR,
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/* Paints a toolbar separator */
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MOZ_GTK_TOOLBAR_SEPARATOR,
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/* Paints a GtkToolTip */
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MOZ_GTK_TOOLTIP,
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/* Paints a GtkBox from GtkToolTip */
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MOZ_GTK_TOOLTIP_BOX,
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/* Paints a GtkLabel of GtkToolTip */
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MOZ_GTK_TOOLTIP_BOX_LABEL,
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/* Paints a GtkFrame (e.g. a status bar panel). */
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MOZ_GTK_FRAME,
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/* Paints the border of a GtkFrame */
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MOZ_GTK_FRAME_BORDER,
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/* Paints a resize grip for a GtkTextView */
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MOZ_GTK_RESIZER,
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/* Paints a GtkProgressBar. */
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MOZ_GTK_PROGRESSBAR,
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/* Paints a trough (track) of a GtkProgressBar */
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MOZ_GTK_PROGRESS_TROUGH,
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/* Paints a progress chunk of a GtkProgressBar. */
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MOZ_GTK_PROGRESS_CHUNK,
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/* Paints a progress chunk of an indeterminated GtkProgressBar. */
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MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE,
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/* Paints a progress chunk of a vertical indeterminated GtkProgressBar. */
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MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE,
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/* Used as root style of whole GtkNotebook widget */
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MOZ_GTK_NOTEBOOK,
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/* Used as root style of active GtkNotebook area which contains tabs and
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arrows. */
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MOZ_GTK_NOTEBOOK_HEADER,
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/* Paints a tab of a GtkNotebook. flags is a GtkTabFlags, defined above. */
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MOZ_GTK_TAB_TOP,
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/* Paints a tab of a GtkNotebook. flags is a GtkTabFlags, defined above. */
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MOZ_GTK_TAB_BOTTOM,
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/* Paints the background and border of a GtkNotebook. */
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MOZ_GTK_TABPANELS,
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/* Paints a GtkArrow for a GtkNotebook. flags is a GtkArrowType. */
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MOZ_GTK_TAB_SCROLLARROW,
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/* Paints the expander and border of a GtkTreeView */
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MOZ_GTK_TREEVIEW,
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/* Paints the border of a GtkTreeView */
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MOZ_GTK_TREEVIEW_VIEW,
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/* Paints treeheader cells */
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MOZ_GTK_TREE_HEADER_CELL,
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/* Paints sort arrows in treeheader cells */
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MOZ_GTK_TREE_HEADER_SORTARROW,
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/* Paints an expander for a GtkTreeView */
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MOZ_GTK_TREEVIEW_EXPANDER,
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/* Paints the background of the menu bar. */
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MOZ_GTK_MENUBAR,
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/* Paints the background of menus, context menus. */
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MOZ_GTK_MENUPOPUP,
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/* Paints the arrow of menuitems that contain submenus */
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MOZ_GTK_MENUARROW,
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/* Paints an arrow in a toolbar button. flags is a GtkArrowType. */
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MOZ_GTK_TOOLBARBUTTON_ARROW,
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/* Paints items of menubar. */
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MOZ_GTK_MENUBARITEM,
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/* Paints items of popup menus. */
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MOZ_GTK_MENUITEM,
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/* Paints a menuitem with check indicator, or the gets the style context for
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a menuitem that contains a checkbox. */
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MOZ_GTK_CHECKMENUITEM,
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/* Gets the style context for a checkbox in a check menuitem. */
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MOZ_GTK_CHECKMENUITEM_INDICATOR,
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MOZ_GTK_RADIOMENUITEM,
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MOZ_GTK_RADIOMENUITEM_INDICATOR,
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MOZ_GTK_MENUSEPARATOR,
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/* GtkVPaned base class */
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MOZ_GTK_SPLITTER_HORIZONTAL,
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/* GtkHPaned base class */
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MOZ_GTK_SPLITTER_VERTICAL,
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/* Paints a GtkVPaned separator */
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MOZ_GTK_SPLITTER_SEPARATOR_HORIZONTAL,
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/* Paints a GtkHPaned separator */
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MOZ_GTK_SPLITTER_SEPARATOR_VERTICAL,
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/* Paints the background of a window, dialog or page. */
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MOZ_GTK_WINDOW,
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/* Used only as a container for MOZ_GTK_HEADER_BAR. */
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MOZ_GTK_HEADERBAR_WINDOW,
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/* Used only as a container for MOZ_GTK_HEADER_BAR_MAXIMIZED. */
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MOZ_GTK_HEADERBAR_WINDOW_MAXIMIZED,
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/* Window container for all widgets */
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MOZ_GTK_WINDOW_CONTAINER,
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/* Paints a GtkInfoBar, for notifications. */
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MOZ_GTK_INFO_BAR,
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/* Used for widget tree construction. */
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MOZ_GTK_COMBOBOX,
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/* Paints a GtkComboBox button widget. */
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MOZ_GTK_COMBOBOX_BUTTON,
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/* Paints a GtkComboBox arrow widget. */
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MOZ_GTK_COMBOBOX_ARROW,
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/* Paints a GtkComboBox separator widget. */
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MOZ_GTK_COMBOBOX_SEPARATOR,
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/* Used for widget tree construction. */
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MOZ_GTK_COMBOBOX_ENTRY,
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/* Paints a GtkComboBox entry widget. */
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MOZ_GTK_COMBOBOX_ENTRY_TEXTAREA,
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/* Paints a GtkComboBox entry button widget. */
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MOZ_GTK_COMBOBOX_ENTRY_BUTTON,
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/* Paints a GtkComboBox entry arrow widget. */
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MOZ_GTK_COMBOBOX_ENTRY_ARROW,
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/* Used for scrolled window shell. */
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MOZ_GTK_SCROLLED_WINDOW,
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/* Paints a GtkHeaderBar */
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MOZ_GTK_HEADER_BAR,
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/* Paints a GtkHeaderBar in maximized state */
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MOZ_GTK_HEADER_BAR_MAXIMIZED,
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/* Container for GtkHeaderBar buttons */
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MOZ_GTK_HEADER_BAR_BUTTON_BOX,
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/* Paints GtkHeaderBar title buttons.
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* Keep the order here as MOZ_GTK_HEADER_BAR_BUTTON_* are processed
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* as an array from MOZ_GTK_HEADER_BAR_BUTTON_CLOSE to the last one.
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*/
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MOZ_GTK_HEADER_BAR_BUTTON_CLOSE,
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MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE,
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MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE,
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/* MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE_RESTORE is a state of
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* MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE button and it's used as
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* an icon placeholder only.
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*/
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MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE_RESTORE,
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/* Client-side window decoration node. Available on GTK 3.20+. */
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MOZ_GTK_WINDOW_DECORATION,
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MOZ_GTK_WINDOW_DECORATION_SOLID,
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MOZ_GTK_WIDGET_NODE_COUNT
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} WidgetNodeType;
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/*** General library functions ***/
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/**
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* Initializes the drawing library. You must call this function
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* prior to using any other functionality.
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* returns: MOZ_GTK_SUCCESS if there were no errors
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* MOZ_GTK_UNSAFE_THEME if the current theme engine is known
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* to crash with gtkdrawing.
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*/
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gint moz_gtk_init();
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/**
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* Updates the drawing library when the theme changes.
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*/
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void moz_gtk_refresh();
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/**
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* Perform cleanup of the drawing library. You should call this function
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* when your program exits, or you no longer need the library.
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
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*/
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gint moz_gtk_shutdown();
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/*** Widget drawing ***/
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/**
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* Paint a widget in the current theme.
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* widget: a constant giving the widget to paint
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* drawable: the drawable to paint to;
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* it's colormap must be moz_gtk_widget_get_colormap().
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* rect: the bounding rectangle for the widget
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* state: the state of the widget. ignored for some widgets.
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* flags: widget-dependant flags; see the WidgetNodeType definition.
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* direction: the text direction, to draw the widget correctly LTR and RTL.
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*/
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gint moz_gtk_widget_paint(WidgetNodeType widget, cairo_t* cr,
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GdkRectangle* rect, GtkWidgetState* state, gint flags,
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GtkTextDirection direction);
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/*** Widget metrics ***/
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/**
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* Get the border size of a widget
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* left/right: [OUT] the widget's left/right border
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* top/bottom: [OUT] the widget's top/bottom border
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* direction: the text direction for the widget. Callers depend on this
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* being used only for MOZ_GTK_DROPDOWN widgets, and cache
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* results for other widget types across direction values.
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
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*/
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gint moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
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gint* right, gint* bottom,
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GtkTextDirection direction);
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/**
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* Get the border size of a notebook tab
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* left/right: [OUT] the tab's left/right border
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* top/bottom: [OUT] the tab's top/bottom border
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* direction: the text direction for the widget
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* flags: tab-dependant flags; see the GtkTabFlags definition.
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* widget: tab widget
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
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*/
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gint moz_gtk_get_tab_border(gint* left, gint* top, gint* right, gint* bottom,
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GtkTextDirection direction, GtkTabFlags flags,
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WidgetNodeType widget);
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/**
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* Get the desired size of a GtkCheckButton
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* indicator_size: [OUT] the indicator size
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* indicator_spacing: [OUT] the spacing between the indicator and its
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* container
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
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*/
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gint moz_gtk_checkbox_get_metrics(gint* indicator_size,
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gint* indicator_spacing);
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/**
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* Get metrics of the toggle (radio or checkbox)
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* isRadio: [IN] true when requesting metrics for the radio button
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* returns: pointer to ToggleGTKMetrics struct
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*/
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const ToggleGTKMetrics* GetToggleMetrics(WidgetNodeType aWidgetType);
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/**
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* Get the desired size of a GtkRadioButton
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* indicator_size: [OUT] the indicator size
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* indicator_spacing: [OUT] the spacing between the indicator and its
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* container
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
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*/
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gint moz_gtk_radio_get_metrics(gint* indicator_size, gint* indicator_spacing);
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/** Get the extra size for the focus ring for outline:auto.
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* widget: [IN] the widget to get the focus metrics for
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* focus_h_width: [OUT] the horizontal width
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* focus_v_width: [OUT] the vertical width
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*
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* returns: MOZ_GTK_SUCCESS
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*/
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gint moz_gtk_get_focus_outline_size(gint* focus_h_width, gint* focus_v_width);
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/** Get the horizontal padding for the menuitem widget or checkmenuitem widget.
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* horizontal_padding: [OUT] The left and right padding of the menuitem or
|
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* checkmenuitem
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
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*/
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gint moz_gtk_menuitem_get_horizontal_padding(gint* horizontal_padding);
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gint moz_gtk_checkmenuitem_get_horizontal_padding(gint* horizontal_padding);
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/**
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* Some GTK themes draw their indication for the default button outside
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* the button (e.g. the glow in New Wave). This gets the extra space necessary.
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*
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* border_top: [OUT] extra space to add above
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* border_left: [OUT] extra space to add to the left
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* border_bottom: [OUT] extra space to add underneath
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|
* border_right: [OUT] extra space to add to the right
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*
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* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
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gint moz_gtk_button_get_default_overflow(gint* border_top, gint* border_left,
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gint* border_bottom,
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gint* border_right);
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|
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/**
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* Gets the minimum size of a GtkScale.
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* orient: [IN] the scale orientation
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* scale_width: [OUT] the width of the scale
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* scale_height: [OUT] the height of the scale
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|
*/
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void moz_gtk_get_scale_metrics(GtkOrientation orient, gint* scale_width,
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gint* scale_height);
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|
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/**
|
|
* Get the desired size of a GtkScale thumb
|
|
* orient: [IN] the scale orientation
|
|
* thumb_length: [OUT] the length of the thumb
|
|
* thumb_height: [OUT] the height of the thumb
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_scalethumb_metrics(GtkOrientation orient, gint* thumb_length,
|
|
gint* thumb_height);
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|
|
|
/**
|
|
* Get the metrics in GTK pixels for a scrollbar.
|
|
* aOrientation: [IN] the scrollbar orientation
|
|
*/
|
|
const ScrollbarGTKMetrics* GetScrollbarMetrics(GtkOrientation aOrientation);
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|
|
|
/**
|
|
* Get the metrics in GTK pixels for a scrollbar which is active
|
|
* (selected by mouse pointer).
|
|
* aOrientation: [IN] the scrollbar orientation
|
|
*/
|
|
const ScrollbarGTKMetrics* GetActiveScrollbarMetrics(
|
|
GtkOrientation aOrientation);
|
|
|
|
/**
|
|
* Get the desired size of a dropdown arrow button
|
|
* width: [OUT] the desired width
|
|
* height: [OUT] the desired height
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_combo_box_entry_button_size(gint* width, gint* height);
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|
|
|
/**
|
|
* Get the desired size of a scroll arrow widget
|
|
* width: [OUT] the desired width
|
|
* height: [OUT] the desired height
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_tab_scroll_arrow_size(gint* width, gint* height);
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|
|
|
/**
|
|
* Get the desired size of an arrow in a button
|
|
*
|
|
* widgetType: [IN] the widget for which to get the arrow size
|
|
* width: [OUT] the desired width
|
|
* height: [OUT] the desired height
|
|
*/
|
|
void moz_gtk_get_arrow_size(WidgetNodeType widgetType, gint* width,
|
|
gint* height);
|
|
|
|
/**
|
|
* Get the minimum height of a entry widget
|
|
* size: [OUT] the minimum height
|
|
*
|
|
*/
|
|
void moz_gtk_get_entry_min_height(gint* height);
|
|
|
|
/**
|
|
* Get the desired size of a toolbar separator
|
|
* size: [OUT] the desired width
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_toolbar_separator_width(gint* size);
|
|
|
|
/**
|
|
* Get the size of a regular GTK expander that shows/hides content
|
|
* size: [OUT] the size of the GTK expander, size = width = height.
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_expander_size(gint* size);
|
|
|
|
/**
|
|
* Get the size of a treeview's expander (we call them twisties)
|
|
* size: [OUT] the size of the GTK expander, size = width = height.
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_treeview_expander_size(gint* size);
|
|
|
|
/**
|
|
* Get the desired height of a menu separator
|
|
* size: [OUT] the desired height
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_get_menu_separator_height(gint* size);
|
|
|
|
/**
|
|
* Get the desired size of a splitter
|
|
* orientation: [IN] GTK_ORIENTATION_HORIZONTAL or GTK_ORIENTATION_VERTICAL
|
|
* size: [OUT] width or height of the splitter handle
|
|
*
|
|
* returns: MOZ_GTK_SUCCESS if there was no error, an error code otherwise
|
|
*/
|
|
gint moz_gtk_splitter_get_metrics(gint orientation, gint* size);
|
|
|
|
/**
|
|
* Get the YTHICKNESS of a tab (notebook extension).
|
|
*/
|
|
gint moz_gtk_get_tab_thickness(WidgetNodeType aNodeType);
|
|
|
|
/**
|
|
* Get ToolbarButtonGTKMetrics for recent theme.
|
|
*/
|
|
const ToolbarButtonGTKMetrics* GetToolbarButtonMetrics(
|
|
WidgetNodeType aAppearance);
|
|
|
|
/**
|
|
* Get toolbar button layout.
|
|
* aButtonLayout: [IN][OUT] An array which will be filled by WidgetNodeType
|
|
* references to visible titlebar buttons.
|
|
* Must contains at least TOOLBAR_BUTTONS entries.
|
|
* aMaxButtonNums: [IN] Allocated aButtonLayout entries. Must be at least
|
|
* TOOLBAR_BUTTONS wide.
|
|
* aReversedButtonsPlacement: [OUT] True if the buttons are placed in opposite
|
|
* titlebar corner.
|
|
*
|
|
* returns: Number of returned entries at aButtonLayout.
|
|
*/
|
|
int GetGtkHeaderBarButtonLayout(WidgetNodeType* aButtonLayout,
|
|
int aMaxButtonNums,
|
|
bool* aReversedButtonsPlacement);
|
|
|
|
/**
|
|
* Get size of CSD window extents of given GtkWindow.
|
|
*
|
|
* aGtkWindow [IN] Decorated window.
|
|
* aDecorationSize [OUT] Returns calculated (or estimated) decoration
|
|
* size of given aGtkWindow.
|
|
*
|
|
* returns: True if we have extract decoration size (for GTK 3.20+)
|
|
* False if we have only an estimation (for GTK+ before 3.20+)
|
|
*/
|
|
bool GetCSDDecorationSize(GtkWindow* aGtkWindow, GtkBorder* aDecorationSize);
|
|
|
|
#endif
|