/* 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 . */ /* * 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 12 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 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 alloc_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 */ /* 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 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); void _gtk_widget_set_alloc_needed (GtkWidget *widget, gboolean alloc_needed); 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_override_size_request (GtkWidget *widget, int width, int height, int *old_width, int *old_height); void _gtk_widget_restore_size_request (GtkWidget *widget, int old_width, int old_height); 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 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__ */