/* 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 "gtkwidget.h"
#include "gtkactionmuxerprivate.h"
#include "gtkcsstypesprivate.h"
#include "gtkeventcontrollerprivate.h"
#include "gtklistlistmodelprivate.h"
#include "gtkrootprivate.h"
#include "gtksizerequestcacheprivate.h"
#include "gtkwindowprivate.h"
#include "gtkgesture.h"
#include "gsk/gskrendernodeprivate.h"
G_BEGIN_DECLS
typedef gboolean (*GtkSurfaceTransformChangedCallback) (GtkWidget *widget,
const graphene_matrix_t *surface_transform,
gpointer user_data);
#define GTK_STATE_FLAGS_BITS 15
typedef struct _GtkWidgetSurfaceTransformData
{
GtkWidget *tracked_parent;
guint parent_surface_transform_changed_id;
GList *callbacks;
gboolean cached_surface_transform_valid;
graphene_matrix_t cached_surface_transform;
} GtkWidgetSurfaceTransformData;
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;
#ifdef G_ENABLE_DEBUG
guint highlight_resize : 1;
#endif
guint in_destruction : 1;
guint realized : 1;
guint mapped : 1;
guint visible : 1;
guint sensitive : 1;
guint can_focus : 1;
guint focusable : 1;
guint has_focus : 1;
guint focus_on_click : 1;
guint has_default : 1;
guint receives_default : 1;
guint has_grab : 1;
guint shadowed : 1;
guint child_visible : 1;
guint multidevice : 1;
guint can_target : 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 */
/* Queue-draw related flags */
guint draw_needed : 1;
/* 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 */
guint has_tooltip : 1;
/* SizeGroup related flags */
guint have_size_groups : 1;
/* Alignment */
guint halign : 4;
guint valign : 4;
GtkOverflow overflow;
guint8 alpha;
guint8 user_alpha;
#ifdef G_ENABLE_CONSISTENCY_CHECKS
/* Number of gtk_widget_push_verify_invariants () */
guint8 verifying_invariants_count;
#endif
int width_request;
int height_request;
GtkBorder margin;
/* Animations and other things to update on clock ticks */
guint clock_tick_id;
GList *tick_callbacks;
/* Surface relative transform updates callbacks */
GtkWidgetSurfaceTransformData *surface_transform_data;
/* 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 root this widget belongs to or %NULL if widget is not
* rooted or is a #GtkRoot itself.
*/
GtkRoot *root;
/* 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.
*/
GtkCssNode *cssnode;
GtkStyleContext *context;
/* The widget's allocated size */
GskTransform *allocated_transform;
int allocated_width;
int allocated_height;
gint allocated_size_baseline;
GskTransform *transform;
int width;
int height;
int baseline;
/* The widget's requested sizes */
SizeRequestCache requests;
/* The render node we draw or %NULL if not yet created.*/
GskRenderNode *render_node;
/* The layout manager, or %NULL */
GtkLayoutManager *layout_manager;
GSList *paintables;
GPtrArray *controllers;
AtkObject *accessible;
/* Widget tree */
GtkWidget *parent;
GtkWidget *prev_sibling;
GtkWidget *next_sibling;
GtkWidget *first_child;
GtkWidget *last_child;
/* only created on-demand */
GtkListListModel *children_observer;
GtkListListModel *controller_observer;
GtkWidget *focus_child;
/* Pointer cursor */
GdkCursor *cursor;
};
typedef struct
{
GBytes *data;
GSList *children;
GtkBuilderScope *scope;
} GtkWidgetTemplate;
struct _GtkWidgetClassPrivate
{
GtkWidgetTemplate *template;
GListStore *shortcuts;
GType accessible_type;
AtkRole accessible_role;
GQuark css_name;
GType layout_manager_type;
GtkWidgetAction *actions;
};
void gtk_widget_root (GtkWidget *widget);
void gtk_widget_unroot (GtkWidget *widget);
GtkCssNode * gtk_widget_get_css_node (GtkWidget *widget);
void _gtk_widget_set_visible_flag (GtkWidget *widget,
gboolean visible);
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_ensure_resize (GtkWidget *widget);
void gtk_widget_ensure_allocate (GtkWidget *widget);
void _gtk_widget_scale_changed (GtkWidget *widget);
void gtk_widget_render (GtkWidget *widget,
GdkSurface *surface,
const cairo_region_t *region);
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);
AtkObject * _gtk_widget_peek_accessible (GtkWidget *widget);
void _gtk_widget_set_has_default (GtkWidget *widget,
gboolean has_default);
void _gtk_widget_set_has_grab (GtkWidget *widget,
gboolean has_grab);
gboolean gtk_widget_has_grab (GtkWidget *widget);
void _gtk_widget_grab_notify (GtkWidget *widget,
gboolean was_grabbed);
void _gtk_widget_propagate_display_changed (GtkWidget *widget,
GdkDisplay *previous_display);
void _gtk_widget_set_device_surface (GtkWidget *widget,
GdkDevice *device,
GdkSurface *pointer_window);
GdkSurface * _gtk_widget_get_device_surface (GtkWidget *widget,
GdkDevice *device);
GdkDevice ** _gtk_widget_list_devices (GtkWidget *widget,
guint *out_n_devices);
void _gtk_widget_synthesize_crossing (GtkWidget *from,
GtkWidget *to,
GdkDevice *device,
GdkCrossingMode mode);
GtkStyleContext * _gtk_widget_peek_style_context (GtkWidget *widget);
gboolean _gtk_widget_captured_event (GtkWidget *widget,
GdkEvent *event,
GtkWidget *target);
void gtk_widget_css_changed (GtkWidget *widget,
GtkCssStyleChange *change);
void gtk_widget_system_setting_changed (GtkWidget *widget,
GtkSystemSetting setting);
void gtk_system_setting_changed (GdkDisplay *display,
GtkSystemSetting setting);
void _gtk_widget_update_parent_muxer (GtkWidget *widget);
GtkActionMuxer * _gtk_widget_get_action_muxer (GtkWidget *widget,
gboolean create);
gboolean gtk_widget_consumes_motion (GtkWidget *widget,
GtkWidget *parent,
GdkEventSequence *sequence);
gboolean gtk_widget_has_tick_callback (GtkWidget *widget);
gboolean gtk_widget_has_size_request (GtkWidget *widget);
void gtk_widget_reset_controllers (GtkWidget *widget);
GtkEventController **gtk_widget_list_controllers (GtkWidget *widget,
GtkPropagationPhase phase,
guint *out_n_controllers);
gboolean gtk_widget_query_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip);
void gtk_widget_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot);
void gtk_widget_adjust_size_request (GtkWidget *widget,
GtkOrientation orientation,
gint *minimum_size,
gint *natural_size);
void gtk_widget_adjust_baseline_request (GtkWidget *widget,
gint *minimum_baseline,
gint *natural_baseline);
void gtk_widget_forall (GtkWidget *widget,
GtkCallback callback,
gpointer user_data);
void gtk_widget_focus_sort (GtkWidget *widget,
GtkDirectionType direction,
GPtrArray *focus_order);
gboolean gtk_widget_focus_move (GtkWidget *widget,
GtkDirectionType direction);
void gtk_widget_set_has_focus (GtkWidget *widget,
gboolean has_focus);
void gtk_widget_get_surface_allocation (GtkWidget *widget,
GtkAllocation *allocation);
GtkWidget * gtk_widget_common_ancestor (GtkWidget *widget_a,
GtkWidget *widget_b);
void gtk_widget_cancel_event_sequence (GtkWidget *widget,
GtkGesture *gesture,
GdkEventSequence *sequence,
GtkEventSequenceState state);
gboolean gtk_widget_event (GtkWidget *widget,
GdkEvent *event,
GtkWidget *target);
gboolean gtk_widget_run_controllers (GtkWidget *widget,
GdkEvent *event,
GtkWidget *target,
double x,
double y,
GtkPropagationPhase phase);
void gtk_widget_handle_crossing (GtkWidget *widget,
const GtkCrossingData *crossing,
double x,
double y);
guint gtk_widget_add_surface_transform_changed_callback (GtkWidget *widget,
GtkSurfaceTransformChangedCallback callback,
gpointer user_data,
GDestroyNotify notify);
void gtk_widget_remove_surface_transform_changed_callback (GtkWidget *widget,
guint id);
/* focus vfuncs for non-focusable containers with focusable children */
gboolean gtk_widget_grab_focus_child (GtkWidget *widget);
gboolean gtk_widget_focus_child (GtkWidget *widget,
GtkDirectionType direction);
/* focus vfuncs for focusable widgets with children that don't receive focus */
gboolean gtk_widget_grab_focus_self (GtkWidget *widget);
gboolean gtk_widget_focus_self (GtkWidget *widget,
GtkDirectionType direction);
/* inline getters */
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_get_realized (GtkWidget *widget)
{
return widget->priv->realized;
}
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 GtkRoot *
_gtk_widget_get_root (GtkWidget *widget)
{
return widget->priv->root;
}
static inline GdkDisplay *
_gtk_widget_get_display (GtkWidget *widget)
{
GtkRoot *root = _gtk_widget_get_root (widget);
if (root == NULL)
return gdk_display_get_default ();
return gtk_root_get_display (root);
}
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 GtkWidget *
_gtk_widget_get_prev_sibling (GtkWidget *widget)
{
return widget->priv->prev_sibling;
}
static inline GtkWidget *
_gtk_widget_get_next_sibling (GtkWidget *widget)
{
return widget->priv->next_sibling;
}
static inline GtkWidget *
_gtk_widget_get_first_child (GtkWidget *widget)
{
return widget->priv->first_child;
}
static inline GtkWidget *
_gtk_widget_get_last_child (GtkWidget *widget)
{
return widget->priv->last_child;
}
static inline gboolean
_gtk_widget_is_sensitive (GtkWidget *widget)
{
return !(widget->priv->state_flags & GTK_STATE_FLAG_INSENSITIVE);
}
G_END_DECLS
#endif /* __GTK_WIDGET_PRIVATE_H__ */