406 lines
15 KiB
C
406 lines
15 KiB
C
/* 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_WIDGET_PRIVATE_H__
|
|
#define __GTK_WIDGET_PRIVATE_H__
|
|
|
|
#include "gtkcsstypesprivate.h"
|
|
#include "gtkwidget.h"
|
|
#include "gtkcontainer.h"
|
|
#include "gtkeventcontroller.h"
|
|
#include "gtkactionmuxer.h"
|
|
#include "gtksizerequestcacheprivate.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GTK_STATE_FLAGS_BITS 13
|
|
|
|
struct _GtkWidgetPrivate
|
|
{
|
|
/* The state of the widget. Needs to be able to hold all GtkStateFlags bits
|
|
* (defined in "gtkenums.h").
|
|
*/
|
|
guint state_flags : GTK_STATE_FLAGS_BITS;
|
|
|
|
guint direction : 2;
|
|
|
|
guint in_destruction : 1;
|
|
guint toplevel : 1;
|
|
guint anchored : 1;
|
|
guint composite_child : 1;
|
|
guint no_window : 1;
|
|
guint realized : 1;
|
|
guint mapped : 1;
|
|
guint visible : 1;
|
|
guint sensitive : 1;
|
|
guint can_focus : 1;
|
|
guint has_focus : 1;
|
|
guint focus_on_click : 1;
|
|
guint can_default : 1;
|
|
guint has_default : 1;
|
|
guint receives_default : 1;
|
|
guint has_grab : 1;
|
|
guint shadowed : 1;
|
|
guint style_update_pending : 1;
|
|
guint app_paintable : 1;
|
|
guint double_buffered : 1;
|
|
guint redraw_on_alloc : 1;
|
|
guint no_show_all : 1;
|
|
guint child_visible : 1;
|
|
guint multidevice : 1;
|
|
guint has_shape_mask : 1;
|
|
guint in_reparent : 1;
|
|
|
|
/* Queue-resize related flags */
|
|
guint resize_needed : 1; /* queue_resize() has been called but no get_preferred_size() yet */
|
|
guint alloc_needed : 1; /* this widget needs a size_allocate() call */
|
|
guint alloc_needed_on_child : 1; /* 0 or more children - or this widget - need a size_allocate() call */
|
|
|
|
/* Expand-related flags */
|
|
guint need_compute_expand : 1; /* Need to recompute computed_[hv]_expand */
|
|
guint computed_hexpand : 1; /* computed results (composite of child flags) */
|
|
guint computed_vexpand : 1;
|
|
guint hexpand : 1; /* application-forced expand */
|
|
guint vexpand : 1;
|
|
guint hexpand_set : 1; /* whether to use application-forced */
|
|
guint vexpand_set : 1; /* instead of computing from children */
|
|
|
|
/* SizeGroup related flags */
|
|
guint have_size_groups : 1;
|
|
|
|
/* Alignment */
|
|
guint halign : 4;
|
|
guint valign : 4;
|
|
|
|
guint8 alpha;
|
|
guint8 user_alpha;
|
|
|
|
#ifdef G_ENABLE_CONSISTENCY_CHECKS
|
|
/* Number of gtk_widget_push_verify_invariants () */
|
|
guint8 verifying_invariants_count;
|
|
#endif
|
|
|
|
gint width;
|
|
gint height;
|
|
GtkBorder margin;
|
|
|
|
/* Animations and other things to update on clock ticks */
|
|
guint clock_tick_id;
|
|
GList *tick_callbacks;
|
|
|
|
/* The widget's name. If the widget does not have a name
|
|
* (the name is NULL), then its name (as returned by
|
|
* "gtk_widget_get_name") is its class's name.
|
|
* Among other things, the widget name is used to determine
|
|
* the style to use for a widget.
|
|
*/
|
|
gchar *name;
|
|
|
|
/* The list of attached windows to this widget.
|
|
* We keep a list in order to call reset_style to all of them,
|
|
* recursively.
|
|
*/
|
|
GList *attached_windows;
|
|
|
|
/* The style for the widget. The style contains the
|
|
* colors the widget should be drawn in for each state
|
|
* along with graphics contexts used to draw with and
|
|
* the font to use for text.
|
|
*/
|
|
GtkStyle *style;
|
|
GtkCssNode *cssnode;
|
|
GtkStyleContext *context;
|
|
|
|
/* The widget's allocated size */
|
|
GtkAllocation allocated_size;
|
|
gint allocated_size_baseline;
|
|
GtkAllocation allocation;
|
|
GtkAllocation clip;
|
|
gint allocated_baseline;
|
|
|
|
/* The widget's requested sizes */
|
|
SizeRequestCache requests;
|
|
|
|
/* The widget's window or its parent window if it does
|
|
* not have a window. (Which will be indicated by the
|
|
* no_window field being set).
|
|
*/
|
|
GdkWindow *window;
|
|
GList *registered_windows;
|
|
|
|
/* The widget's parent */
|
|
GtkWidget *parent;
|
|
|
|
GList *event_controllers;
|
|
};
|
|
|
|
GtkCssNode * gtk_widget_get_css_node (GtkWidget *widget);
|
|
void _gtk_widget_set_visible_flag (GtkWidget *widget,
|
|
gboolean visible);
|
|
gboolean _gtk_widget_get_in_reparent (GtkWidget *widget);
|
|
void _gtk_widget_set_in_reparent (GtkWidget *widget,
|
|
gboolean in_reparent);
|
|
gboolean _gtk_widget_get_anchored (GtkWidget *widget);
|
|
void _gtk_widget_set_anchored (GtkWidget *widget,
|
|
gboolean anchored);
|
|
gboolean _gtk_widget_get_shadowed (GtkWidget *widget);
|
|
void _gtk_widget_set_shadowed (GtkWidget *widget,
|
|
gboolean shadowed);
|
|
gboolean _gtk_widget_get_alloc_needed (GtkWidget *widget);
|
|
gboolean gtk_widget_needs_allocate (GtkWidget *widget);
|
|
void gtk_widget_queue_resize_on_widget (GtkWidget *widget);
|
|
void gtk_widget_ensure_resize (GtkWidget *widget);
|
|
void gtk_widget_ensure_allocate (GtkWidget *widget);
|
|
void _gtk_widget_draw (GtkWidget *widget,
|
|
cairo_t *cr);
|
|
void _gtk_widget_scale_changed (GtkWidget *widget);
|
|
|
|
|
|
void _gtk_widget_add_sizegroup (GtkWidget *widget,
|
|
gpointer group);
|
|
void _gtk_widget_remove_sizegroup (GtkWidget *widget,
|
|
gpointer group);
|
|
GSList *_gtk_widget_get_sizegroups (GtkWidget *widget);
|
|
|
|
void _gtk_widget_add_attached_window (GtkWidget *widget,
|
|
GtkWindow *window);
|
|
void _gtk_widget_remove_attached_window (GtkWidget *widget,
|
|
GtkWindow *window);
|
|
|
|
void _gtk_widget_get_preferred_size_for_size (GtkWidget *widget,
|
|
GtkOrientation orientation,
|
|
gint size,
|
|
gint *minimum,
|
|
gint *natural,
|
|
gint *minimum_baseline,
|
|
gint *natural_baseline);
|
|
void _gtk_widget_get_preferred_size_and_baseline(GtkWidget *widget,
|
|
GtkRequisition *minimum_size,
|
|
GtkRequisition *natural_size,
|
|
gint *minimum_baseline,
|
|
gint *natural_baseline);
|
|
gboolean _gtk_widget_has_baseline_support (GtkWidget *widget);
|
|
|
|
gboolean _gtk_widget_get_translation_to_window (GtkWidget *widget,
|
|
GdkWindow *window,
|
|
int *x,
|
|
int *y);
|
|
|
|
const gchar* _gtk_widget_get_accel_path (GtkWidget *widget,
|
|
gboolean *locked);
|
|
|
|
AtkObject * _gtk_widget_peek_accessible (GtkWidget *widget);
|
|
|
|
GdkWindow * _gtk_cairo_get_event_window (cairo_t *cr);
|
|
GdkEventExpose * _gtk_cairo_get_event (cairo_t *cr);
|
|
|
|
void _gtk_widget_set_has_default (GtkWidget *widget,
|
|
gboolean has_default);
|
|
void _gtk_widget_set_has_grab (GtkWidget *widget,
|
|
gboolean has_grab);
|
|
void _gtk_widget_set_is_toplevel (GtkWidget *widget,
|
|
gboolean is_toplevel);
|
|
|
|
void _gtk_widget_grab_notify (GtkWidget *widget,
|
|
gboolean was_grabbed);
|
|
|
|
void _gtk_widget_propagate_hierarchy_changed (GtkWidget *widget,
|
|
GtkWidget *previous_toplevel);
|
|
void _gtk_widget_propagate_screen_changed (GtkWidget *widget,
|
|
GdkScreen *previous_screen);
|
|
void _gtk_widget_propagate_composited_changed (GtkWidget *widget);
|
|
|
|
void _gtk_widget_set_device_window (GtkWidget *widget,
|
|
GdkDevice *device,
|
|
GdkWindow *pointer_window);
|
|
GdkWindow * _gtk_widget_get_device_window (GtkWidget *widget,
|
|
GdkDevice *device);
|
|
GList * _gtk_widget_list_devices (GtkWidget *widget);
|
|
|
|
void _gtk_widget_synthesize_crossing (GtkWidget *from,
|
|
GtkWidget *to,
|
|
GdkDevice *device,
|
|
GdkCrossingMode mode);
|
|
|
|
static inline gpointer _gtk_widget_peek_request_cache (GtkWidget *widget);
|
|
|
|
void _gtk_widget_buildable_finish_accelerator (GtkWidget *widget,
|
|
GtkWidget *toplevel,
|
|
gpointer user_data);
|
|
GtkStyleContext * _gtk_widget_peek_style_context (GtkWidget *widget);
|
|
GtkStyle * _gtk_widget_get_style (GtkWidget *widget);
|
|
void _gtk_widget_set_style (GtkWidget *widget,
|
|
GtkStyle *style);
|
|
gboolean _gtk_widget_supports_clip (GtkWidget *widget);
|
|
void _gtk_widget_set_simple_clip (GtkWidget *widget,
|
|
GtkAllocation *content_clip);
|
|
|
|
typedef gboolean (*GtkCapturedEventHandler) (GtkWidget *widget, GdkEvent *event);
|
|
|
|
void _gtk_widget_set_captured_event_handler (GtkWidget *widget,
|
|
GtkCapturedEventHandler handler);
|
|
|
|
gboolean _gtk_widget_captured_event (GtkWidget *widget,
|
|
GdkEvent *event);
|
|
|
|
GtkWidgetPath * _gtk_widget_create_path (GtkWidget *widget);
|
|
void gtk_widget_clear_path (GtkWidget *widget);
|
|
void _gtk_widget_invalidate_style_context (GtkWidget *widget,
|
|
GtkCssChange change);
|
|
void _gtk_widget_style_context_invalidated (GtkWidget *widget);
|
|
|
|
void _gtk_widget_update_parent_muxer (GtkWidget *widget);
|
|
GtkActionMuxer * _gtk_widget_get_action_muxer (GtkWidget *widget,
|
|
gboolean create);
|
|
|
|
void _gtk_widget_add_controller (GtkWidget *widget,
|
|
GtkEventController *controller);
|
|
void _gtk_widget_remove_controller (GtkWidget *widget,
|
|
GtkEventController *controller);
|
|
GList * _gtk_widget_list_controllers (GtkWidget *widget,
|
|
GtkPropagationPhase phase);
|
|
gboolean _gtk_widget_consumes_motion (GtkWidget *widget,
|
|
GdkEventSequence *sequence);
|
|
|
|
gboolean gtk_widget_has_tick_callback (GtkWidget *widget);
|
|
|
|
void gtk_widget_set_csd_input_shape (GtkWidget *widget,
|
|
const cairo_region_t *region);
|
|
|
|
gboolean gtk_widget_has_size_request (GtkWidget *widget);
|
|
|
|
/* inline getters */
|
|
|
|
static inline gboolean
|
|
gtk_widget_get_resize_needed (GtkWidget *widget)
|
|
{
|
|
return widget->priv->resize_needed;
|
|
}
|
|
|
|
static inline GtkWidget *
|
|
_gtk_widget_get_parent (GtkWidget *widget)
|
|
{
|
|
return widget->priv->parent;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_get_visible (GtkWidget *widget)
|
|
{
|
|
return widget->priv->visible;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_get_child_visible (GtkWidget *widget)
|
|
{
|
|
return widget->priv->child_visible;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_get_mapped (GtkWidget *widget)
|
|
{
|
|
return widget->priv->mapped;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_is_drawable (GtkWidget *widget)
|
|
{
|
|
return widget->priv->visible && widget->priv->mapped;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_get_has_window (GtkWidget *widget)
|
|
{
|
|
return !widget->priv->no_window;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_get_realized (GtkWidget *widget)
|
|
{
|
|
return widget->priv->realized;
|
|
}
|
|
|
|
static inline gboolean
|
|
_gtk_widget_is_toplevel (GtkWidget *widget)
|
|
{
|
|
return widget->priv->toplevel;
|
|
}
|
|
|
|
static inline GtkStateFlags
|
|
_gtk_widget_get_state_flags (GtkWidget *widget)
|
|
{
|
|
return widget->priv->state_flags;
|
|
}
|
|
|
|
extern GtkTextDirection gtk_default_direction;
|
|
|
|
static inline GtkTextDirection
|
|
_gtk_widget_get_direction (GtkWidget *widget)
|
|
{
|
|
if (widget->priv->direction == GTK_TEXT_DIR_NONE)
|
|
return gtk_default_direction;
|
|
else
|
|
return widget->priv->direction;
|
|
}
|
|
|
|
static inline GtkWidget *
|
|
_gtk_widget_get_toplevel (GtkWidget *widget)
|
|
{
|
|
while (widget->priv->parent)
|
|
widget = widget->priv->parent;
|
|
|
|
return widget;
|
|
}
|
|
|
|
static inline GtkStyleContext *
|
|
_gtk_widget_get_style_context (GtkWidget *widget)
|
|
{
|
|
if (G_LIKELY (widget->priv->context))
|
|
return widget->priv->context;
|
|
|
|
return gtk_widget_get_style_context (widget);
|
|
}
|
|
|
|
static inline gpointer
|
|
_gtk_widget_peek_request_cache (GtkWidget *widget)
|
|
{
|
|
return &widget->priv->requests;
|
|
}
|
|
|
|
static inline GdkWindow *
|
|
_gtk_widget_get_window (GtkWidget *widget)
|
|
{
|
|
return widget->priv->window;
|
|
}
|
|
|
|
static inline void
|
|
_gtk_widget_get_allocation (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
*allocation = widget->priv->allocation;
|
|
}
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GTK_WIDGET_PRIVATE_H__ */
|