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gtk2/gtk/gtkscrolledwindow.h
Tristan Van Berkom 0984d1622d GtkScrolledWindow: Bug 766569 - Make propagation of natural child sizes optional 
Making propagation of child natural sizes mandatory (or default, even) was
evidently a mistake as this causes dynamic content in a scrolled window
to resize it's parent when the scrolled window is competing for space
with an adjacent widget.

This patch instead adds API to control whether natural width and
height of the child should be propagated through the scrolled windows
size requests.
2016-08-31 14:44:50 -04:00

245 lines
9.8 KiB
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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_SCROLLED_WINDOW_H__
#define __GTK_SCROLLED_WINDOW_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkbin.h>
G_BEGIN_DECLS
#define GTK_TYPE_SCROLLED_WINDOW (gtk_scrolled_window_get_type ())
#define GTK_SCROLLED_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SCROLLED_WINDOW, GtkScrolledWindow))
#define GTK_SCROLLED_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SCROLLED_WINDOW, GtkScrolledWindowClass))
#define GTK_IS_SCROLLED_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SCROLLED_WINDOW))
#define GTK_IS_SCROLLED_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCROLLED_WINDOW))
#define GTK_SCROLLED_WINDOW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCROLLED_WINDOW, GtkScrolledWindowClass))
typedef struct _GtkScrolledWindow GtkScrolledWindow;
typedef struct _GtkScrolledWindowPrivate GtkScrolledWindowPrivate;
typedef struct _GtkScrolledWindowClass GtkScrolledWindowClass;
struct _GtkScrolledWindow
{
GtkBin container;
GtkScrolledWindowPrivate *priv;
};
/**
* GtkScrolledWindowClass:
* @parent_class: The parent class.
* @scrollbar_spacing:
* @scroll_child: Keybinding signal which gets emitted when a
* keybinding that scrolls is pressed.
* @move_focus_out: Keybinding signal which gets emitted when focus is
* moved away from the scrolled window by a keybinding.
*/
struct _GtkScrolledWindowClass
{
GtkBinClass parent_class;
gint scrollbar_spacing;
/*< public >*/
/* Action signals for keybindings. Do not connect to these signals
*/
/* Unfortunately, GtkScrollType is deficient in that there is
* no horizontal/vertical variants for GTK_SCROLL_START/END,
* so we have to add an additional boolean flag.
*/
gboolean (*scroll_child) (GtkScrolledWindow *scrolled_window,
GtkScrollType scroll,
gboolean horizontal);
void (* move_focus_out) (GtkScrolledWindow *scrolled_window,
GtkDirectionType direction);
/*< private >*/
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
/**
* GtkCornerType:
* @GTK_CORNER_TOP_LEFT: Place the scrollbars on the right and bottom of the
* widget (default behaviour).
* @GTK_CORNER_BOTTOM_LEFT: Place the scrollbars on the top and right of the
* widget.
* @GTK_CORNER_TOP_RIGHT: Place the scrollbars on the left and bottom of the
* widget.
* @GTK_CORNER_BOTTOM_RIGHT: Place the scrollbars on the top and left of the
* widget.
*
* Specifies which corner a child widget should be placed in when packed into
* a #GtkScrolledWindow. This is effectively the opposite of where the scroll
* bars are placed.
*/
typedef enum
{
GTK_CORNER_TOP_LEFT,
GTK_CORNER_BOTTOM_LEFT,
GTK_CORNER_TOP_RIGHT,
GTK_CORNER_BOTTOM_RIGHT
} GtkCornerType;
/**
* GtkPolicyType:
* @GTK_POLICY_ALWAYS: The scrollbar is always visible. The view size is
* independent of the content.
* @GTK_POLICY_AUTOMATIC: The scrollbar will appear and disappear as necessary.
* For example, when all of a #GtkTreeView can not be seen.
* @GTK_POLICY_NEVER: The scrollbar should never appear. In this mode the
* content determines the size.
* @GTK_POLICY_EXTERNAL: Don't show a scrollbar, but don't force the
* size to follow the content. This can be used e.g. to make multiple
* scrolled windows share a scrollbar. Since: 3.16
*
* Determines how the size should be computed to achieve the one of the
* visibility mode for the scrollbars.
*/
typedef enum
{
GTK_POLICY_ALWAYS,
GTK_POLICY_AUTOMATIC,
GTK_POLICY_NEVER,
GTK_POLICY_EXTERNAL
} GtkPolicyType;
GDK_AVAILABLE_IN_ALL
GType gtk_scrolled_window_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_scrolled_window_new (GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_hadjustment (GtkScrolledWindow *scrolled_window,
GtkAdjustment *hadjustment);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_vadjustment (GtkScrolledWindow *scrolled_window,
GtkAdjustment *vadjustment);
GDK_AVAILABLE_IN_ALL
GtkAdjustment* gtk_scrolled_window_get_hadjustment (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
GtkAdjustment* gtk_scrolled_window_get_vadjustment (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_scrolled_window_get_hscrollbar (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_scrolled_window_get_vscrollbar (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_policy (GtkScrolledWindow *scrolled_window,
GtkPolicyType hscrollbar_policy,
GtkPolicyType vscrollbar_policy);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_get_policy (GtkScrolledWindow *scrolled_window,
GtkPolicyType *hscrollbar_policy,
GtkPolicyType *vscrollbar_policy);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_placement (GtkScrolledWindow *scrolled_window,
GtkCornerType window_placement);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_unset_placement (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
GtkCornerType gtk_scrolled_window_get_placement (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_shadow_type (GtkScrolledWindow *scrolled_window,
GtkShadowType type);
GDK_AVAILABLE_IN_ALL
GtkShadowType gtk_scrolled_window_get_shadow_type (GtkScrolledWindow *scrolled_window);
GDK_DEPRECATED_IN_3_8_FOR(gtk_container_add)
void gtk_scrolled_window_add_with_viewport (GtkScrolledWindow *scrolled_window,
GtkWidget *child);
GDK_AVAILABLE_IN_ALL
gint gtk_scrolled_window_get_min_content_width (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_min_content_width (GtkScrolledWindow *scrolled_window,
gint width);
GDK_AVAILABLE_IN_ALL
gint gtk_scrolled_window_get_min_content_height (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_ALL
void gtk_scrolled_window_set_min_content_height (GtkScrolledWindow *scrolled_window,
gint height);
GDK_AVAILABLE_IN_3_4
void gtk_scrolled_window_set_kinetic_scrolling (GtkScrolledWindow *scrolled_window,
gboolean kinetic_scrolling);
GDK_AVAILABLE_IN_3_4
gboolean gtk_scrolled_window_get_kinetic_scrolling (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_3_4
void gtk_scrolled_window_set_capture_button_press (GtkScrolledWindow *scrolled_window,
gboolean capture_button_press);
GDK_AVAILABLE_IN_3_4
gboolean gtk_scrolled_window_get_capture_button_press (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_3_16
void gtk_scrolled_window_set_overlay_scrolling (GtkScrolledWindow *scrolled_window,
gboolean overlay_scrolling);
GDK_AVAILABLE_IN_3_16
gboolean gtk_scrolled_window_get_overlay_scrolling (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_3_22
void gtk_scrolled_window_set_max_content_width (GtkScrolledWindow *scrolled_window,
gint width);
GDK_AVAILABLE_IN_3_22
gint gtk_scrolled_window_get_max_content_width (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_3_22
void gtk_scrolled_window_set_max_content_height (GtkScrolledWindow *scrolled_window,
gint height);
GDK_AVAILABLE_IN_3_22
gint gtk_scrolled_window_get_max_content_height (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_3_22
void gtk_scrolled_window_set_propagate_natural_width (GtkScrolledWindow *scrolled_window,
gboolean propagate);
GDK_AVAILABLE_IN_3_22
gboolean gtk_scrolled_window_get_propagate_natural_width (GtkScrolledWindow *scrolled_window);
GDK_AVAILABLE_IN_3_22
void gtk_scrolled_window_set_propagate_natural_height (GtkScrolledWindow *scrolled_window,
gboolean propagate);
GDK_AVAILABLE_IN_3_22
gboolean gtk_scrolled_window_get_propagate_natural_height (GtkScrolledWindow *scrolled_window);
G_END_DECLS
#endif /* __GTK_SCROLLED_WINDOW_H__ */
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