forked from AuroraMiddleware/gtk
3fe0fb4ed9
This patch adds the GtkScrollablePolicy type property to GtkScrollable and implements it in all subclasses. GtkScrolledWindow observes this property to make a good guess about when to show/hide scrollbars for height-for-width content. Most scrollable children do not do height-for-width *yet* but most certainly will (toolpalette, treeview, iconview, textview widgets all TODO), for scrollable widgets that do have a minimum and natural size, it's important for them to observe the state of this property in order to properly drive the scroll adjustments according to the desired GtkScrollablePolicy. This patch makes GtkViewport do this. Patch also adds tests/testscrolledwindow.c to display the effects of this property.
563 lines
12 KiB
C
563 lines
12 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_ENUMS_H__
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#define __GTK_ENUMS_H__
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#include <glib-object.h>
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G_BEGIN_DECLS
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/**
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* GtkAlign:
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* @GTK_ALIGN_FILL: stretch to fill all space if possible, center if
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* no meaningful way to stretch
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* @GTK_ALIGN_START: snap to left or top side, leaving space on right
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* or bottom
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* @GTK_ALIGN_END: snap to right or bottom side, leaving space on left
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* or top
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* @GTK_ALIGN_CENTER: center natural width of widget inside the
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* allocation
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*
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* Controls how a widget deals with extra space in a single (x or y)
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* dimension.
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*
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* Alignment only matters if the widget receives a "too large"
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* allocation, for example if you packed the widget with the "expand"
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* flag inside a #GtkBox, then the widget might get extra space. If
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* you have for example a 16x16 icon inside a 32x32 space, the icon
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* could be scaled and stretched, it could be centered, or it could be
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* positioned to one side of the space.
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*/
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typedef enum
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{
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GTK_ALIGN_FILL,
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GTK_ALIGN_START,
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GTK_ALIGN_END,
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GTK_ALIGN_CENTER
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} GtkAlign;
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/* Arrow placement */
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typedef enum
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{
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GTK_ARROWS_BOTH,
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GTK_ARROWS_START,
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GTK_ARROWS_END
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} GtkArrowPlacement;
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/* Arrow types */
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typedef enum
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{
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GTK_ARROW_UP,
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GTK_ARROW_DOWN,
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GTK_ARROW_LEFT,
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GTK_ARROW_RIGHT,
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GTK_ARROW_NONE
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} GtkArrowType;
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/* Attach options (for tables) */
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typedef enum
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{
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GTK_EXPAND = 1 << 0,
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GTK_SHRINK = 1 << 1,
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GTK_FILL = 1 << 2
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} GtkAttachOptions;
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/* Button box styles */
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typedef enum
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{
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GTK_BUTTONBOX_SPREAD = 1,
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GTK_BUTTONBOX_EDGE,
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GTK_BUTTONBOX_START,
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GTK_BUTTONBOX_END,
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GTK_BUTTONBOX_CENTER
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} GtkButtonBoxStyle;
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typedef enum
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{
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GTK_DELETE_CHARS,
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GTK_DELETE_WORD_ENDS, /* delete only the portion of the word to the
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* left/right of cursor if we're in the middle
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* of a word */
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GTK_DELETE_WORDS,
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GTK_DELETE_DISPLAY_LINES,
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GTK_DELETE_DISPLAY_LINE_ENDS,
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GTK_DELETE_PARAGRAPH_ENDS, /* like C-k in Emacs (or its reverse) */
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GTK_DELETE_PARAGRAPHS, /* C-k in pico, kill whole line */
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GTK_DELETE_WHITESPACE /* M-\ in Emacs */
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} GtkDeleteType;
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/* Focus movement types */
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typedef enum
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{
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GTK_DIR_TAB_FORWARD,
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GTK_DIR_TAB_BACKWARD,
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GTK_DIR_UP,
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GTK_DIR_DOWN,
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GTK_DIR_LEFT,
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GTK_DIR_RIGHT
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} GtkDirectionType;
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/* Expander styles */
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typedef enum
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{
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GTK_EXPANDER_COLLAPSED,
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GTK_EXPANDER_SEMI_COLLAPSED,
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GTK_EXPANDER_SEMI_EXPANDED,
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GTK_EXPANDER_EXPANDED
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} GtkExpanderStyle;
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/* Built-in stock icon sizes */
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typedef enum
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{
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GTK_ICON_SIZE_INVALID,
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GTK_ICON_SIZE_MENU,
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GTK_ICON_SIZE_SMALL_TOOLBAR,
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GTK_ICON_SIZE_LARGE_TOOLBAR,
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GTK_ICON_SIZE_BUTTON,
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GTK_ICON_SIZE_DND,
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GTK_ICON_SIZE_DIALOG
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} GtkIconSize;
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/**
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* GtkSensitivityType:
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* @GTK_SENSITIVITY_AUTO: The arrow is made insensitive if the
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* thumb is at the end
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* @GTK_SENSITIVITY_ON: The arrow is always sensitive
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* @GTK_SENSITIVITY_OFF: The arrow is always insensitive
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*
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* Determines how GTK+ handles the sensitivity of stepper arrows
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* at the end of range widgets.
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*/
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typedef enum
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{
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GTK_SENSITIVITY_AUTO,
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GTK_SENSITIVITY_ON,
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GTK_SENSITIVITY_OFF
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} GtkSensitivityType;
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/* Reading directions for text */
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typedef enum
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{
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GTK_TEXT_DIR_NONE,
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GTK_TEXT_DIR_LTR,
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GTK_TEXT_DIR_RTL
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} GtkTextDirection;
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/* justification for label and maybe other widgets (text?) */
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typedef enum
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{
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GTK_JUSTIFY_LEFT,
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GTK_JUSTIFY_RIGHT,
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GTK_JUSTIFY_CENTER,
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GTK_JUSTIFY_FILL
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} GtkJustification;
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/* Menu keyboard movement types */
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typedef enum
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{
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GTK_MENU_DIR_PARENT,
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GTK_MENU_DIR_CHILD,
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GTK_MENU_DIR_NEXT,
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GTK_MENU_DIR_PREV
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} GtkMenuDirectionType;
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/**
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* GtkMessageType:
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* @GTK_MESSAGE_INFO: Informational message
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* @GTK_MESSAGE_WARNING: Nonfatal warning message
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* @GTK_MESSAGE_QUESTION: Question requiring a choice
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* @GTK_MESSAGE_ERROR: Fatal error message
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* @GTK_MESSAGE_OTHER: None of the above, doesn't get an icon
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*
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* The type of message being displayed in the dialog.
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*/
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typedef enum
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{
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GTK_MESSAGE_INFO,
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GTK_MESSAGE_WARNING,
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GTK_MESSAGE_QUESTION,
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GTK_MESSAGE_ERROR,
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GTK_MESSAGE_OTHER
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} GtkMessageType;
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typedef enum
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{
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GTK_PIXELS,
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GTK_INCHES,
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GTK_CENTIMETERS
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} GtkMetricType;
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/**
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* GtkMovementStep:
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* @GTK_MOVEMENT_LOGICAL_POSITIONS: Move forward or back by graphemes
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* @GTK_MOVEMENT_VISUAL_POSITIONS: Move left or right by graphemes
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* @GTK_MOVEMENT_WORDS: Move forward or back by words
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* @GTK_MOVEMENT_DISPLAY_LINES: Move up or down lines (wrapped lines)
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* @GTK_MOVEMENT_DISPLAY_LINE_ENDS: Move to either end of a line
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* @GTK_MOVEMENT_PARAGRAPHS: Move up or down paragraphs (newline-ended lines)
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* @GTK_MOVEMENT_PARAGRAPH_ENDS: Move to either end of a paragraph
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* @GTK_MOVEMENT_PAGES: Move by pages
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* @GTK_MOVEMENT_BUFFER_ENDS: Move to ends of the buffer
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* @GTK_MOVEMENT_HORIZONTAL_PAGES: Move horizontally by pages
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*/
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typedef enum
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{
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GTK_MOVEMENT_LOGICAL_POSITIONS,
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GTK_MOVEMENT_VISUAL_POSITIONS,
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GTK_MOVEMENT_WORDS,
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GTK_MOVEMENT_DISPLAY_LINES,
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GTK_MOVEMENT_DISPLAY_LINE_ENDS,
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GTK_MOVEMENT_PARAGRAPHS,
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GTK_MOVEMENT_PARAGRAPH_ENDS,
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GTK_MOVEMENT_PAGES,
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GTK_MOVEMENT_BUFFER_ENDS,
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GTK_MOVEMENT_HORIZONTAL_PAGES
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} GtkMovementStep;
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typedef enum
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{
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GTK_SCROLL_STEPS,
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GTK_SCROLL_PAGES,
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GTK_SCROLL_ENDS,
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GTK_SCROLL_HORIZONTAL_STEPS,
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GTK_SCROLL_HORIZONTAL_PAGES,
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GTK_SCROLL_HORIZONTAL_ENDS
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} GtkScrollStep;
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/* Orientation for toolbars, etc. */
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typedef enum
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{
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GTK_ORIENTATION_HORIZONTAL,
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GTK_ORIENTATION_VERTICAL
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} GtkOrientation;
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/* Placement type for scrolled window */
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typedef enum
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{
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GTK_CORNER_TOP_LEFT,
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GTK_CORNER_BOTTOM_LEFT,
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GTK_CORNER_TOP_RIGHT,
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GTK_CORNER_BOTTOM_RIGHT
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} GtkCornerType;
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/* Packing types (for boxes) */
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typedef enum
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{
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GTK_PACK_START,
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GTK_PACK_END
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} GtkPackType;
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/* priorities for path lookups */
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typedef enum
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{
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GTK_PATH_PRIO_LOWEST = 0,
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GTK_PATH_PRIO_GTK = 4,
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GTK_PATH_PRIO_APPLICATION = 8,
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GTK_PATH_PRIO_THEME = 10,
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GTK_PATH_PRIO_RC = 12,
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GTK_PATH_PRIO_HIGHEST = 15
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} GtkPathPriorityType;
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#define GTK_PATH_PRIO_MASK 0x0f
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/* widget path types */
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typedef enum
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{
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GTK_PATH_WIDGET,
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GTK_PATH_WIDGET_CLASS,
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GTK_PATH_CLASS
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} GtkPathType;
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/* Scrollbar policy types (for scrolled windows) */
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typedef enum
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{
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GTK_POLICY_ALWAYS,
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_NEVER
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} GtkPolicyType;
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typedef enum
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{
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GTK_POS_LEFT,
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GTK_POS_RIGHT,
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GTK_POS_TOP,
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GTK_POS_BOTTOM
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} GtkPositionType;
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/* Style for buttons */
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typedef enum
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{
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GTK_RELIEF_NORMAL,
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GTK_RELIEF_HALF,
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GTK_RELIEF_NONE
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} GtkReliefStyle;
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/* Resize type */
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typedef enum
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{
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GTK_RESIZE_PARENT, /* Pass resize request to the parent */
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GTK_RESIZE_QUEUE, /* Queue resizes on this widget */
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GTK_RESIZE_IMMEDIATE /* Perform the resizes now */
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} GtkResizeMode;
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/* scrolling types */
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typedef enum
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{
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GTK_SCROLL_NONE,
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GTK_SCROLL_JUMP,
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GTK_SCROLL_STEP_BACKWARD,
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GTK_SCROLL_STEP_FORWARD,
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GTK_SCROLL_PAGE_BACKWARD,
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GTK_SCROLL_PAGE_FORWARD,
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GTK_SCROLL_STEP_UP,
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GTK_SCROLL_STEP_DOWN,
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GTK_SCROLL_PAGE_UP,
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GTK_SCROLL_PAGE_DOWN,
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GTK_SCROLL_STEP_LEFT,
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GTK_SCROLL_STEP_RIGHT,
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GTK_SCROLL_PAGE_LEFT,
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GTK_SCROLL_PAGE_RIGHT,
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GTK_SCROLL_START,
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GTK_SCROLL_END
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} GtkScrollType;
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/* list selection modes */
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typedef enum
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{
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GTK_SELECTION_NONE, /* Nothing can be selected */
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GTK_SELECTION_SINGLE,
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GTK_SELECTION_BROWSE,
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GTK_SELECTION_MULTIPLE
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} GtkSelectionMode;
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/* Shadow types */
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typedef enum
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{
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GTK_SHADOW_NONE,
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GTK_SHADOW_IN,
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GTK_SHADOW_OUT,
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GTK_SHADOW_ETCHED_IN,
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GTK_SHADOW_ETCHED_OUT
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} GtkShadowType;
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/* Widget states */
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typedef enum
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{
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GTK_STATE_NORMAL,
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GTK_STATE_ACTIVE,
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GTK_STATE_PRELIGHT,
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GTK_STATE_SELECTED,
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GTK_STATE_INSENSITIVE
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} GtkStateType;
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/* Style for toolbars */
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typedef enum
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{
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GTK_TOOLBAR_ICONS,
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GTK_TOOLBAR_TEXT,
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GTK_TOOLBAR_BOTH,
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GTK_TOOLBAR_BOTH_HORIZ
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} GtkToolbarStyle;
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/* Data update types (for ranges) */
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typedef enum
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{
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GTK_UPDATE_CONTINUOUS,
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GTK_UPDATE_DISCONTINUOUS,
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GTK_UPDATE_DELAYED
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} GtkUpdateType;
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/* Window position types */
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typedef enum
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{
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GTK_WIN_POS_NONE,
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GTK_WIN_POS_CENTER,
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GTK_WIN_POS_MOUSE,
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GTK_WIN_POS_CENTER_ALWAYS,
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GTK_WIN_POS_CENTER_ON_PARENT
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} GtkWindowPosition;
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/* Window types */
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typedef enum
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{
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GTK_WINDOW_TOPLEVEL,
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GTK_WINDOW_POPUP
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} GtkWindowType;
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/* Text wrap */
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typedef enum
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{
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GTK_WRAP_NONE,
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GTK_WRAP_CHAR,
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GTK_WRAP_WORD,
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GTK_WRAP_WORD_CHAR
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} GtkWrapMode;
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/* How to sort */
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typedef enum
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{
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GTK_SORT_ASCENDING,
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GTK_SORT_DESCENDING
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} GtkSortType;
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/* Style for gtk input method preedit/status */
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typedef enum
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{
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GTK_IM_PREEDIT_NOTHING,
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GTK_IM_PREEDIT_CALLBACK,
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GTK_IM_PREEDIT_NONE
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} GtkIMPreeditStyle;
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typedef enum
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{
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GTK_IM_STATUS_NOTHING,
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GTK_IM_STATUS_CALLBACK,
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GTK_IM_STATUS_NONE
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} GtkIMStatusStyle;
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typedef enum
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{
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GTK_PACK_DIRECTION_LTR,
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GTK_PACK_DIRECTION_RTL,
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GTK_PACK_DIRECTION_TTB,
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GTK_PACK_DIRECTION_BTT
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} GtkPackDirection;
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typedef enum
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{
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GTK_PRINT_PAGES_ALL,
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GTK_PRINT_PAGES_CURRENT,
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GTK_PRINT_PAGES_RANGES,
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GTK_PRINT_PAGES_SELECTION
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} GtkPrintPages;
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typedef enum
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{
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GTK_PAGE_SET_ALL,
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GTK_PAGE_SET_EVEN,
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GTK_PAGE_SET_ODD
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} GtkPageSet;
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typedef enum
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{
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GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM, /*< nick=lrtb >*/
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GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP, /*< nick=lrbt >*/
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GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM, /*< nick=rltb >*/
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GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP, /*< nick=rlbt >*/
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GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_LEFT_TO_RIGHT, /*< nick=tblr >*/
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GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_RIGHT_TO_LEFT, /*< nick=tbrl >*/
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GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_LEFT_TO_RIGHT, /*< nick=btlr >*/
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GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_RIGHT_TO_LEFT /*< nick=btrl >*/
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} GtkNumberUpLayout;
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typedef enum
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{
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GTK_PAGE_ORIENTATION_PORTRAIT,
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GTK_PAGE_ORIENTATION_LANDSCAPE,
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GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT,
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GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE
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} GtkPageOrientation;
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typedef enum
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{
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GTK_PRINT_QUALITY_LOW,
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GTK_PRINT_QUALITY_NORMAL,
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GTK_PRINT_QUALITY_HIGH,
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GTK_PRINT_QUALITY_DRAFT
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} GtkPrintQuality;
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typedef enum
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{
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GTK_PRINT_DUPLEX_SIMPLEX,
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GTK_PRINT_DUPLEX_HORIZONTAL,
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GTK_PRINT_DUPLEX_VERTICAL
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} GtkPrintDuplex;
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typedef enum
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{
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GTK_UNIT_PIXEL,
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GTK_UNIT_POINTS,
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GTK_UNIT_INCH,
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GTK_UNIT_MM
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} GtkUnit;
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typedef enum
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{
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GTK_TREE_VIEW_GRID_LINES_NONE,
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GTK_TREE_VIEW_GRID_LINES_HORIZONTAL,
|
|
GTK_TREE_VIEW_GRID_LINES_VERTICAL,
|
|
GTK_TREE_VIEW_GRID_LINES_BOTH
|
|
} GtkTreeViewGridLines;
|
|
|
|
typedef enum
|
|
{
|
|
GTK_DRAG_RESULT_SUCCESS,
|
|
GTK_DRAG_RESULT_NO_TARGET,
|
|
GTK_DRAG_RESULT_USER_CANCELLED,
|
|
GTK_DRAG_RESULT_TIMEOUT_EXPIRED,
|
|
GTK_DRAG_RESULT_GRAB_BROKEN,
|
|
GTK_DRAG_RESULT_ERROR
|
|
} GtkDragResult;
|
|
|
|
/**
|
|
* GtkSizeRequestMode:
|
|
* @GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH: Prefer height-for-width geometry management
|
|
* @GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT: Prefer width-for-height geometry management
|
|
*
|
|
* Specifies a preference for height-for-width or
|
|
* width-for-height geometry management.
|
|
*/
|
|
typedef enum
|
|
{
|
|
GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH = 0,
|
|
GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT
|
|
} GtkSizeRequestMode;
|
|
|
|
/**
|
|
* GtkScrollablePolicy:
|
|
* @GTK_SCROLL_MINIMUM: Scrollable adjustments are based on the minimum size
|
|
* @GTK_SCROLL_NATURAL: Scrollable adjustments are based on the natural size
|
|
*
|
|
* Defines the policy to be used in a scrollable widget when updating
|
|
* the scrolled window adjustments in a given orientation.
|
|
*/
|
|
typedef enum
|
|
{
|
|
GTK_SCROLL_MINIMUM = 0,
|
|
GTK_SCROLL_NATURAL
|
|
} GtkScrollablePolicy;
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
|
|
#endif /* __GTK_ENUMS_H__ */
|