forked from AuroraMiddleware/gtk
80de00a248
We may have the situation of multiple touchpoints in the same widget, or combinations with other devices. Stack those ::active states are preserved on widgets on all but the last pointer/touch going away.
491 lines
18 KiB
C
491 lines
18 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 "gtkwidget.h"
|
|
|
|
#include "gtkactionmuxerprivate.h"
|
|
#include "gtkatcontextprivate.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;
|
|
|
|
gboolean cached_surface_transform_valid;
|
|
|
|
graphene_matrix_t cached_surface_transform;
|
|
GList *callbacks;
|
|
} 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;
|
|
|
|
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 child_visible : 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;
|
|
|
|
guint user_alpha : 8;
|
|
|
|
GtkOverflow overflow;
|
|
|
|
#ifdef G_ENABLE_CONSISTENCY_CHECKS
|
|
/* Number of gtk_widget_push_verify_invariants () */
|
|
guint8 verifying_invariants_count;
|
|
#endif
|
|
|
|
guint8 n_active;
|
|
|
|
int width_request;
|
|
int height_request;
|
|
|
|
/* Animations and other things to update on clock ticks */
|
|
guint clock_tick_id;
|
|
GList *tick_callbacks;
|
|
|
|
void (* resize_func) (GtkWidget *);
|
|
GtkBorder margin;
|
|
|
|
/* 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.
|
|
*/
|
|
char *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;
|
|
int allocated_size_baseline;
|
|
|
|
int width;
|
|
int height;
|
|
int baseline;
|
|
GskTransform *transform;
|
|
|
|
/* 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;
|
|
|
|
GList *event_controllers;
|
|
|
|
/* 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;
|
|
|
|
/* Tooltip */
|
|
char *tooltip_markup;
|
|
char *tooltip_text;
|
|
|
|
/* Accessibility */
|
|
GtkAccessibleRole accessible_role;
|
|
GtkATContext *at_context;
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
GBytes *data;
|
|
GSList *children;
|
|
GtkBuilderScope *scope;
|
|
} GtkWidgetTemplate;
|
|
|
|
struct _GtkWidgetClassPrivate
|
|
{
|
|
GtkWidgetTemplate *template;
|
|
GListStore *shortcuts;
|
|
GQuark css_name;
|
|
GType layout_manager_type;
|
|
GtkWidgetAction *actions;
|
|
GtkAccessibleRole accessible_role;
|
|
};
|
|
|
|
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_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);
|
|
|
|
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);
|
|
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,
|
|
int x,
|
|
int y,
|
|
gboolean keyboard_mode,
|
|
GtkTooltip *tooltip);
|
|
|
|
void gtk_widget_snapshot (GtkWidget *widget,
|
|
GtkSnapshot *snapshot);
|
|
void gtk_widget_adjust_size_request (GtkWidget *widget,
|
|
GtkOrientation orientation,
|
|
int *minimum_size,
|
|
int *natural_size);
|
|
void gtk_widget_adjust_baseline_request (GtkWidget *widget,
|
|
int *minimum_baseline,
|
|
int *natural_baseline);
|
|
|
|
typedef void (*GtkCallback) (GtkWidget *widget,
|
|
gpointer data);
|
|
|
|
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_set_active_state (GtkWidget *widget,
|
|
gboolean active);
|
|
|
|
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);
|
|
|
|
void gtk_widget_update_orientation (GtkWidget *widget,
|
|
GtkOrientation orientation);
|
|
|
|
/* 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);
|
|
}
|
|
|
|
static inline GskTransform *
|
|
gtk_widget_get_transform (GtkWidget *widget)
|
|
{
|
|
return widget->priv->transform;
|
|
}
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GTK_WIDGET_PRIVATE_H__ */
|