зеркало из https://github.com/mozilla/pjs.git
485 строки
16 KiB
C
485 строки
16 KiB
C
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Ryner <bryner@brianryner.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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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 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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gint32 curpos; /* curpos and maxpos are used for scrollbars */
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gint32 maxpos;
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} GtkWidgetState;
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typedef struct {
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gint slider_width;
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gint trough_border;
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gint stepper_size;
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gint stepper_spacing;
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gint min_slider_size;
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} MozGtkScrollbarMetrics;
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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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/** 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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/* bottom tabs */
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MOZ_GTK_TAB_BOTTOM = 1 << 8,
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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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/** flags for menuitems **/
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typedef enum {
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/* menuitem is part of the menubar */
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MOZ_TOPLEVEL_MENU_ITEM = 1 << 0
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} GtkMenuItemFlags;
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/* function type for moz_gtk_enable_style_props */
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typedef gint (*style_prop_t)(GtkStyle*, const gchar*, gint);
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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 GtkCheckButton. flags is a boolean, 1=checked, 0=not checked. */
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MOZ_GTK_CHECKBUTTON,
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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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/**
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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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/* Paints the trough (track) of a GtkScrollbar. */
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MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL,
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MOZ_GTK_SCROLLBAR_TRACK_VERTICAL,
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/* Paints the slider (thumb) of a GtkScrollbar. */
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MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL,
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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 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_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 the native caret (or in GTK-speak: insertion cursor) */
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MOZ_GTK_ENTRY_CARET,
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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 container part of a GtkCheckButton. */
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MOZ_GTK_CHECKBUTTON_CONTAINER,
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/* Paints the container part of a GtkRadioButton. */
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MOZ_GTK_RADIOBUTTON_CONTAINER,
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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 label of a GtkRadioButton (focus outline) */
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MOZ_GTK_RADIOBUTTON_LABEL,
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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 GtkFrame (e.g. a status bar panel). */
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MOZ_GTK_FRAME,
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/* Paints a resize grip for a GtkWindow */
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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 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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/* Paints a tab of a GtkNotebook. flags is a GtkTabFlags, defined above. */
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MOZ_GTK_TAB,
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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 background and border of a GtkTreeView */
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MOZ_GTK_TREEVIEW,
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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 a GtkExpander */
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MOZ_GTK_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 and popups. */
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MOZ_GTK_MENUITEM,
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MOZ_GTK_CHECKMENUITEM,
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MOZ_GTK_RADIOMENUITEM,
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MOZ_GTK_MENUSEPARATOR,
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/* Paints a GtkVPaned separator */
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MOZ_GTK_SPLITTER_HORIZONTAL,
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/* Paints a GtkHPaned separator */
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MOZ_GTK_SPLITTER_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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} GtkThemeWidgetType;
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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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* Enable GTK+ 1.2.9+ theme enhancements. You must provide a pointer
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* to the GTK+ 1.2.9+ function "gtk_style_get_prop_experimental".
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* styleGetProp: pointer to gtk_style_get_prop_experimental
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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_enable_style_props(style_prop_t styleGetProp);
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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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#if defined(MOZ_WIDGET_GTK2)
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/**
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* Retrieves the colormap to use for drawables passed to moz_gtk_widget_paint.
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*/
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GdkColormap* moz_gtk_widget_get_colormap();
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#endif
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/*** Widget drawing ***/
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#if defined(MOZ_WIDGET_GTK2)
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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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* cliprect: a clipprect rectangle for this painting operation
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* state: the state of the widget. ignored for some widgets.
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* flags: widget-dependant flags; see the GtkThemeWidgetType 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
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moz_gtk_widget_paint(GtkThemeWidgetType widget, GdkDrawable* drawable,
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GdkRectangle* rect, GdkRectangle* cliprect,
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GtkWidgetState* state, gint flags,
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GtkTextDirection direction);
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#else
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gint
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moz_gtk_widget_paint(GtkThemeWidgetType widget, cairo_t *cr,
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GdkRectangle* rect, GdkRectangle* cliprect,
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GtkWidgetState* state, gint flags,
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GtkTextDirection direction);
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#endif
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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
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* inhtml: boolean indicating whether this widget will be drawn as a HTML form control,
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* in order to workaround a size issue (MOZ_GTK_BUTTON only, ignored otherwise)
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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(GtkThemeWidgetType widget, gint* left, gint* top,
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gint* right, gint* bottom, GtkTextDirection direction,
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gboolean inhtml);
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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
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moz_gtk_checkbox_get_metrics(gint* indicator_size, gint* indicator_spacing);
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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
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moz_gtk_radio_get_metrics(gint* indicator_size, gint* indicator_spacing);
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/**
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* Get the inner-border value for a GtkButton widget (button or tree header)
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* widget: [IN] the widget to get the border value for
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* inner_border: [OUT] the inner border
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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
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moz_gtk_button_get_inner_border(GtkWidget* widget, GtkBorder* inner_border);
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/** Get the focus metrics for a treeheadercell, button, checkbox, or radio button.
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* widget: [IN] the widget to get the focus metrics for
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* interior_focus: [OUT] whether the focus is drawn around the
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* label (TRUE) or around the whole container (FALSE)
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* focus_width: [OUT] the width of the focus line
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* focus_pad: [OUT] the padding between the focus line and children
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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
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moz_gtk_widget_get_focus(GtkWidget* widget, gboolean* interior_focus,
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gint* focus_width, gint* focus_pad);
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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 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
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moz_gtk_menuitem_get_horizontal_padding(gint* horizontal_padding);
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gint
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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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*/
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gint
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moz_gtk_button_get_default_overflow(gint* border_top, gint* border_left,
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gint* border_bottom, gint* border_right);
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/**
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* Get the desired size of a GtkScale thumb
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* orient: [IN] the scale orientation
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* thumb_length: [OUT] the length of the thumb
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* thumb_height: [OUT] the height of the thumb
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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
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moz_gtk_get_scalethumb_metrics(GtkOrientation orient, gint* thumb_length, gint* thumb_height);
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/**
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* Get the desired metrics for a GtkScrollbar
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* metrics: [IN] struct which will contain the metrics
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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
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moz_gtk_get_scrollbar_metrics(MozGtkScrollbarMetrics* metrics);
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/**
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* Get the desired size of a dropdown arrow button
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* width: [OUT] the desired width
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* height: [OUT] the desired height
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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_combo_box_entry_button_size(gint* width, gint* height);
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/**
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* Get the desired size of a scroll arrow widget
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* width: [OUT] the desired width
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* height: [OUT] the desired height
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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_scroll_arrow_size(gint* width, gint* height);
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/**
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* Get the desired size of an arrow in a button
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* width: [OUT] the desired width
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* height: [OUT] the desired height
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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_arrow_size(gint* width, gint* height);
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/**
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* Get the desired size of a toolbar separator
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* size: [OUT] the desired width
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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_toolbar_separator_width(gint* size);
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/**
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* Get the size of a regular GTK expander that shows/hides content
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* size: [OUT] the size of the GTK expander, size = width = height.
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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_expander_size(gint* size);
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/**
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* Get the size of a treeview's expander (we call them twisties)
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* size: [OUT] the size of the GTK expander, size = width = height.
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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_treeview_expander_size(gint* size);
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/**
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* Get the desired height of a menu separator
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* size: [OUT] the desired height
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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_menu_separator_height(gint* size);
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/**
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* Get the desired size of a splitter
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* orientation: [IN] GTK_ORIENTATION_HORIZONTAL or GTK_ORIENTATION_VERTICAL
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* size: [OUT] width or height of the splitter handle
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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_splitter_get_metrics(gint orientation, gint* size);
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/**
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|
* Retrieve an actual GTK scrollbar widget for style analysis. It will not
|
|
* be modified.
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|
*/
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|
GtkWidget* moz_gtk_get_scrollbar_widget(void);
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|
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|
/**
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|
* Get the YTHICKNESS of a tab (notebook extension).
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|
*/
|
|
gint moz_gtk_get_tab_thickness(void);
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|
|
|
/**
|
|
* Get a boolean which indicates whether or not to use images in menus.
|
|
* If TRUE, use images in menus.
|
|
*/
|
|
gboolean moz_gtk_images_in_menus(void);
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|
|
|
/**
|
|
* Get a boolean which indicates whether or not to use images in buttons.
|
|
* If TRUE, use images in buttons.
|
|
*/
|
|
gboolean moz_gtk_images_in_buttons(void);
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|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif
|