forked from AuroraMiddleware/gtk
518a8a9c4e
Wed May 6 02:16:34 1998 Tim Janik <timj@gtk.org>
* gtk/gtksignal.c: reimplemented the signal storage system to use a
linear array rather than a hash table.
be carefull *not* to keep any GtkSignal pointers across invokations
of gtk_signal_next_and_invalidate() and therefore gtk_signal_new[v]().
general code cleanups, made all allocations through memchunks.
(gtk_signal_lookup): we now do the lookup of signals through a key_id
for the signal names to avoid multiple hashing of the signal name on
lookups for the several hirarchy levels of an object.
Tue May 5 15:33:27 1998 Tim Janik <timj@gtk.org>
* gtk/gtkmain.c (gtk_init): added gtk_signal_init() to avoid repeatedly
checking for signal initialization in gtksignal.c.
* gtk/gtktypeutils.c (TYPE_NODES_BLOCK_SIZE): reseted this to 200 after
a long debugging period ;)
Mon May 4 00:30:11 1998 Tim Janik <timj@gtk.org>
* gtk/gtktypeutils.h (GTK_TYPE_IS_A): new macro to speedup
gtk_type_is_a().
* gtk/gtktypeutils.c: reimplemented the type storage system to use a
linear array rather than a hash table. it actually speeded up testgtk
for a *considerable* amount. be carefull *not* to keep any GtkTypeNode
pointers across invokations of gtk_type_node_next_and_invalidate() and
therefore gtk_type_unique()!
* gtk/gtkobject.h (GTK_IS_OBJECT_CLASS): new macro to test for the
inheritance of a class pointer.
(GTK_OBJECT): modifications for speedups.
(GTK_IS_OBJECT): likewise.
(GTK_OBJECT_CLASS): likewise.
(suggested by owen).
* gtk/gtkcontainer.h (GTK_IS_CONTAINER_CLASS): new macro.
* gtk/gtkwidget.h (GTK_IS_WIDGET_CLASS): new macro.
* gtk/gtk.defs (GtkTooltips): define GtkTooltips as object not as boxed,
since its derivation changed 4 month ago ;(. showed up with the unique
type name checking code in gtk_type_unique().
* random guint->GtkType and macro fixups.
547 lines
20 KiB
C
547 lines
20 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GTK_WIDGET_H__
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#define __GTK_WIDGET_H__
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#include <gdk/gdk.h>
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#include <gtk/gtkaccelerator.h>
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#include <gtk/gtkobject.h>
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#include <gtk/gtkstyle.h>
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#ifdef __cplusplus
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extern "C" {
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#pragma }
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#endif /* __cplusplus */
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/* The flags that are used by GtkWidget on top of the
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* flags field of GtkObject.
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*/
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enum
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{
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GTK_TOPLEVEL = 1 << 4,
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GTK_NO_WINDOW = 1 << 5,
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GTK_REALIZED = 1 << 6,
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GTK_MAPPED = 1 << 7,
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GTK_VISIBLE = 1 << 8,
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GTK_SENSITIVE = 1 << 9,
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GTK_PARENT_SENSITIVE = 1 << 10,
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GTK_CAN_FOCUS = 1 << 11,
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GTK_HAS_FOCUS = 1 << 12,
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GTK_CAN_DEFAULT = 1 << 13,
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GTK_HAS_DEFAULT = 1 << 14,
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GTK_HAS_GRAB = 1 << 15,
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GTK_BASIC = 1 << 16,
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GTK_RESERVED_3 = 1 << 17,
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GTK_RC_STYLE = 1 << 18
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};
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/* Macro for casting a pointer to a GtkWidget or GtkWidgetClass pointer.
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* Macros for testing whether `widget' or `klass' are of type GTK_TYPE_WIDGET.
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*/
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#define GTK_TYPE_WIDGET (gtk_widget_get_type ())
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#define GTK_WIDGET(widget) (GTK_CHECK_CAST ((widget), GTK_TYPE_WIDGET, GtkWidget))
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#define GTK_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_WIDGET, GtkWidgetClass))
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#define GTK_IS_WIDGET(widget) (GTK_CHECK_TYPE ((widget), GTK_TYPE_WIDGET))
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#define GTK_IS_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WIDGET))
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/* Macros for extracting various fields from GtkWidget and GtkWidgetClass.
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*/
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#define GTK_WIDGET_TYPE(wid) (GTK_OBJECT_TYPE (wid))
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#define GTK_WIDGET_STATE(wid) (GTK_WIDGET (wid)->state)
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#define GTK_WIDGET_SAVED_STATE(wid) (GTK_WIDGET (wid)->saved_state)
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/* Macros for extracting the widget flags from GtkWidget.
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*/
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#define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid))
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#define GTK_WIDGET_TOPLEVEL(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL) != 0)
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#define GTK_WIDGET_NO_WINDOW(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_NO_WINDOW) != 0)
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#define GTK_WIDGET_REALIZED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_REALIZED) != 0)
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#define GTK_WIDGET_MAPPED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_MAPPED) != 0)
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#define GTK_WIDGET_VISIBLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_VISIBLE) != 0)
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#define GTK_WIDGET_DRAWABLE(wid) ((GTK_WIDGET_VISIBLE (wid) && GTK_WIDGET_MAPPED (wid)) != 0)
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#define GTK_WIDGET_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_SENSITIVE) != 0)
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#define GTK_WIDGET_PARENT_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_PARENT_SENSITIVE) != 0)
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#define GTK_WIDGET_IS_SENSITIVE(wid) (((GTK_WIDGET_SENSITIVE (wid) && \
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GTK_WIDGET_PARENT_SENSITIVE (wid)) != 0) != 0)
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#define GTK_WIDGET_CAN_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_FOCUS) != 0)
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#define GTK_WIDGET_HAS_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_FOCUS) != 0)
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#define GTK_WIDGET_CAN_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_DEFAULT) != 0)
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#define GTK_WIDGET_HAS_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_DEFAULT) != 0)
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#define GTK_WIDGET_HAS_GRAB(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_GRAB) != 0)
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#define GTK_WIDGET_BASIC(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_BASIC) != 0)
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#define GTK_WIDGET_RC_STYLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RC_STYLE) != 0)
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/* Macros for setting and clearing widget flags.
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*/
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#define GTK_WIDGET_SET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) |= (flag)); }G_STMT_END
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#define GTK_WIDGET_UNSET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) &= ~(flag)); }G_STMT_END
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typedef struct _GtkRequisition GtkRequisition;
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typedef struct _GtkAllocation GtkAllocation;
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typedef struct _GtkSelectionData GtkSelectionData;
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typedef struct _GtkWidget GtkWidget;
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typedef struct _GtkWidgetClass GtkWidgetClass;
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typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo;
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typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo;
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typedef void (*GtkCallback) (GtkWidget *widget,
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gpointer data);
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/* A requisition is a desired amount of space which a
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* widget may request.
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*/
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struct _GtkRequisition
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{
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guint16 width;
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guint16 height;
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};
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/* An allocation is a size and position. Where a widget
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* can ask for a desired size, it is actually given
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* this amount of space at the specified position.
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*/
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struct _GtkAllocation
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{
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gint16 x;
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gint16 y;
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guint16 width;
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guint16 height;
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};
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/* The contents of a selection are returned in a GtkSelectionData
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structure. selection/target identify the request.
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type specifies the type of the return; if length < 0, and
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the data should be ignored. This structure has object semantics -
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no fields should be modified directly, they should not be created
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directly, and pointers to them should not be stored beyond the duration of
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a callback. (If the last is changed, we'll need to add reference
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counting) */
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struct _GtkSelectionData
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{
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GdkAtom selection;
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GdkAtom target;
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GdkAtom type;
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gint format;
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guchar *data;
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gint length;
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};
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/* The widget is the base of the tree for displayable objects.
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* (A displayable object is one which takes up some amount
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* of screen real estate). It provides a common base and interface
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* which actual widgets must adhere to.
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*/
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struct _GtkWidget
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{
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/* The object structure needs to be the first
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* element in the widget structure in order for
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* the object mechanism to work correctly. This
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* allows a GtkWidget pointer to be cast to a
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* GtkObject pointer.
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*/
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GtkObject object;
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/* 16 bits of internally used private flags.
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* this will be packed into the same 4 byte alignment frame that
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* state and saved_state go. we therefore don't waste any new
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* space on this.
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*/
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guint16 private_flags;
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/* The state of the widget. There are actually only
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* 5 widget states (defined in "gtkenums.h").
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*/
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guint8 state;
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/* The saved state of the widget. When a widgets state
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* is changed to GTK_STATE_INSENSITIVE via
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* "gtk_widget_set_state" or "gtk_widget_set_sensitive"
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* the old state is kept around in this field. The state
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* will be restored once the widget gets sensitive again.
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*/
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guint8 saved_state;
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/* The widgets name. If the widget does not have a name
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* (the name is NULL), then its name (as returned by
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* "gtk_widget_get_name") is its classes name.
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* Among other things, the widget name is used to determine
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* the style to use for a widget.
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*/
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gchar *name;
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/* The style for the widget. The style contains the
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* colors the widget should be drawn in for each state
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* along with graphics contexts used to draw with and
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* the font to use for text.
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*/
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GtkStyle *style;
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/* The widgets desired size.
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*/
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GtkRequisition requisition;
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/* The widgets allocated size.
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*/
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GtkAllocation allocation;
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/* The widgets window or its parent window if it does
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* not have a window. (Which will be indicated by the
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* GTK_NO_WINDOW flag being set).
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*/
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GdkWindow *window;
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/* The widgets parent.
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*/
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GtkWidget *parent;
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};
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struct _GtkWidgetClass
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{
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/* The object class structure needs to be the first
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* element in the widget class structure in order for
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* the class mechanism to work correctly. This allows a
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* GtkWidgetClass pointer to be cast to a GtkObjectClass
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* pointer.
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*/
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GtkObjectClass parent_class;
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/* The signal to emit when an object of this class is activated.
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* This is used when activating the current focus widget and
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* the default widget.
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*/
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guint activate_signal;
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/* basics */
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void (* show) (GtkWidget *widget);
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void (* hide) (GtkWidget *widget);
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void (* show_all) (GtkWidget *widget);
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void (* hide_all) (GtkWidget *widget);
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void (* map) (GtkWidget *widget);
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void (* unmap) (GtkWidget *widget);
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void (* realize) (GtkWidget *widget);
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void (* unrealize) (GtkWidget *widget);
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void (* draw) (GtkWidget *widget,
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GdkRectangle *area);
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void (* draw_focus) (GtkWidget *widget);
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void (* draw_default) (GtkWidget *widget);
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void (* size_request) (GtkWidget *widget,
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GtkRequisition *requisition);
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void (* size_allocate) (GtkWidget *widget,
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GtkAllocation *allocation);
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void (* state_changed) (GtkWidget *widget,
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guint previous_state);
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void (* parent_set) (GtkWidget *widget,
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GtkWidget *previous_parent);
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void (* style_set) (GtkWidget *widget,
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GtkStyle *previous_style);
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/* accelerators */
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gint (* install_accelerator) (GtkWidget *widget,
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const gchar *signal_name,
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gchar key,
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guint8 modifiers);
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void (* remove_accelerator) (GtkWidget *widget,
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const gchar *signal_name);
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/* events */
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gint (* event) (GtkWidget *widget,
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GdkEvent *event);
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gint (* button_press_event) (GtkWidget *widget,
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GdkEventButton *event);
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gint (* button_release_event) (GtkWidget *widget,
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GdkEventButton *event);
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gint (* motion_notify_event) (GtkWidget *widget,
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GdkEventMotion *event);
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gint (* delete_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* destroy_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* expose_event) (GtkWidget *widget,
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GdkEventExpose *event);
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gint (* key_press_event) (GtkWidget *widget,
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GdkEventKey *event);
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gint (* key_release_event) (GtkWidget *widget,
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GdkEventKey *event);
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gint (* enter_notify_event) (GtkWidget *widget,
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GdkEventCrossing *event);
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gint (* leave_notify_event) (GtkWidget *widget,
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GdkEventCrossing *event);
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gint (* configure_event) (GtkWidget *widget,
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GdkEventConfigure *event);
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gint (* focus_in_event) (GtkWidget *widget,
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GdkEventFocus *event);
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gint (* focus_out_event) (GtkWidget *widget,
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GdkEventFocus *event);
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gint (* map_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* unmap_event) (GtkWidget *widget,
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GdkEventAny *event);
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gint (* property_notify_event) (GtkWidget *widget,
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GdkEventProperty *event);
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gint (* selection_clear_event) (GtkWidget *widget,
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GdkEventSelection *event);
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gint (* selection_request_event) (GtkWidget *widget,
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GdkEventSelection *event);
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gint (* selection_notify_event) (GtkWidget *widget,
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GdkEventSelection *event);
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gint (* proximity_in_event) (GtkWidget *widget,
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GdkEventProximity *event);
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gint (* proximity_out_event) (GtkWidget *widget,
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GdkEventProximity *event);
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gint (* drag_begin_event) (GtkWidget *widget,
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GdkEventDragBegin *event);
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gint (* drag_request_event) (GtkWidget *widget,
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GdkEventDragRequest *event);
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gint (* drag_end_event) (GtkWidget *widget,
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GdkEvent *event);
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gint (* drop_enter_event) (GtkWidget *widget,
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GdkEventDropEnter *event);
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gint (* drop_leave_event) (GtkWidget *widget,
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GdkEventDropLeave *event);
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gint (* drop_data_available_event) (GtkWidget *widget,
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GdkEventDropDataAvailable *event);
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gint (* other_event) (GtkWidget *widget,
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GdkEventOther *event);
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/* selection */
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void (* selection_received) (GtkWidget *widget,
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GtkSelectionData *selection_data);
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gint (* client_event) (GtkWidget *widget,
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GdkEventClient *event);
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gint (* no_expose_event) (GtkWidget *widget,
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GdkEventAny *event);
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};
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struct _GtkWidgetAuxInfo
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{
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gint16 x;
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gint16 y;
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guint16 width;
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guint16 height;
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};
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struct _GtkWidgetShapeInfo
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{
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gint16 offset_x;
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gint16 offset_y;
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GdkBitmap *shape_mask;
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};
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GtkType gtk_widget_get_type (void);
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GtkWidget* gtk_widget_new (guint type,
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...);
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GtkWidget* gtk_widget_newv (guint type,
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guint nargs,
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GtkArg *args);
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void gtk_widget_ref (GtkWidget *widget);
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void gtk_widget_unref (GtkWidget *widget);
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void gtk_widget_destroy (GtkWidget *widget);
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void gtk_widget_destroyed (GtkWidget *widget,
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GtkWidget **widget_pointer);
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void gtk_widget_get (GtkWidget *widget,
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GtkArg *arg);
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void gtk_widget_getv (GtkWidget *widget,
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guint nargs,
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GtkArg *args);
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void gtk_widget_set (GtkWidget *widget,
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...);
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void gtk_widget_setv (GtkWidget *widget,
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guint nargs,
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GtkArg *args);
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void gtk_widget_unparent (GtkWidget *widget);
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void gtk_widget_show (GtkWidget *widget);
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void gtk_widget_show_now (GtkWidget *widget);
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void gtk_widget_hide (GtkWidget *widget);
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void gtk_widget_show_all (GtkWidget *widget);
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void gtk_widget_hide_all (GtkWidget *widget);
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void gtk_widget_map (GtkWidget *widget);
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void gtk_widget_unmap (GtkWidget *widget);
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void gtk_widget_realize (GtkWidget *widget);
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void gtk_widget_unrealize (GtkWidget *widget);
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void gtk_widget_queue_draw (GtkWidget *widget);
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void gtk_widget_queue_resize (GtkWidget *widget);
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void gtk_widget_draw (GtkWidget *widget,
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GdkRectangle *area);
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void gtk_widget_draw_focus (GtkWidget *widget);
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void gtk_widget_draw_default (GtkWidget *widget);
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void gtk_widget_draw_children (GtkWidget *widget);
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void gtk_widget_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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void gtk_widget_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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void gtk_widget_install_accelerator (GtkWidget *widget,
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GtkAcceleratorTable *table,
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const gchar *signal_name,
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gchar key,
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guint8 modifiers);
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void gtk_widget_remove_accelerator (GtkWidget *widget,
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GtkAcceleratorTable *table,
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const gchar *signal_name);
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gint gtk_widget_event (GtkWidget *widget,
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GdkEvent *event);
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void gtk_widget_activate (GtkWidget *widget);
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void gtk_widget_reparent (GtkWidget *widget,
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GtkWidget *new_parent);
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void gtk_widget_popup (GtkWidget *widget,
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gint x,
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gint y);
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gint gtk_widget_intersect (GtkWidget *widget,
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GdkRectangle *area,
|
|
GdkRectangle *intersection);
|
|
gint gtk_widget_basic (GtkWidget *widget);
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|
|
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void gtk_widget_grab_focus (GtkWidget *widget);
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void gtk_widget_grab_default (GtkWidget *widget);
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|
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void gtk_widget_set_name (GtkWidget *widget,
|
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const gchar *name);
|
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gchar* gtk_widget_get_name (GtkWidget *widget);
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void gtk_widget_set_state (GtkWidget *widget,
|
|
GtkStateType state);
|
|
void gtk_widget_set_sensitive (GtkWidget *widget,
|
|
gint sensitive);
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|
void gtk_widget_set_parent (GtkWidget *widget,
|
|
GtkWidget *parent);
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|
void gtk_widget_set_parent_window (GtkWidget *widget,
|
|
GdkWindow *parent_window);
|
|
GdkWindow *gtk_widget_get_parent_window (GtkWidget *widget);
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|
void gtk_widget_set_uposition (GtkWidget *widget,
|
|
gint x,
|
|
gint y);
|
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void gtk_widget_set_usize (GtkWidget *widget,
|
|
gint width,
|
|
gint height);
|
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void gtk_widget_set_events (GtkWidget *widget,
|
|
gint events);
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|
void gtk_widget_set_extension_events (GtkWidget *widget,
|
|
GdkExtensionMode mode);
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|
|
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GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget);
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|
GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget);
|
|
GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
|
|
GtkType widget_type);
|
|
GdkColormap* gtk_widget_get_colormap (GtkWidget *widget);
|
|
GdkVisual* gtk_widget_get_visual (GtkWidget *widget);
|
|
gint gtk_widget_get_events (GtkWidget *widget);
|
|
void gtk_widget_get_pointer (GtkWidget *widget,
|
|
gint *x,
|
|
gint *y);
|
|
|
|
gint gtk_widget_is_ancestor (GtkWidget *widget,
|
|
GtkWidget *ancestor);
|
|
gint gtk_widget_is_child (GtkWidget *widget,
|
|
GtkWidget *child);
|
|
|
|
/* Hide widget and return TRUE.
|
|
*/
|
|
gint gtk_widget_hide_on_delete (GtkWidget *widget);
|
|
|
|
/* Widget styles.
|
|
*/
|
|
void gtk_widget_set_style (GtkWidget *widget,
|
|
GtkStyle *style);
|
|
void gtk_widget_set_rc_style (GtkWidget *widget);
|
|
void gtk_widget_ensure_style (GtkWidget *widget);
|
|
GtkStyle* gtk_widget_get_style (GtkWidget *widget);
|
|
void gtk_widget_restore_default_style (GtkWidget *widget);
|
|
|
|
/* Descend recursively and set rc-style on all widgets without user styles */
|
|
void gtk_widget_reset_rc_styles (GtkWidget *widget);
|
|
|
|
/* Tell other Gtk applications to use the same default colors.
|
|
*/
|
|
void gtk_widget_propagate_default_style (void);
|
|
|
|
/* Push/pop pairs, to change default values upon a widget's creation.
|
|
* This will override the values that got set by the
|
|
* gtk_widget_set_default_* () functions.
|
|
*/
|
|
void gtk_widget_push_style (GtkStyle *style);
|
|
void gtk_widget_push_colormap (GdkColormap *cmap);
|
|
void gtk_widget_push_visual (GdkVisual *visual);
|
|
void gtk_widget_pop_style (void);
|
|
void gtk_widget_pop_colormap (void);
|
|
void gtk_widget_pop_visual (void);
|
|
|
|
/* Set certain default values to be used at widget creation time.
|
|
*/
|
|
void gtk_widget_set_default_style (GtkStyle *style);
|
|
void gtk_widget_set_default_colormap (GdkColormap *colormap);
|
|
void gtk_widget_set_default_visual (GdkVisual *visual);
|
|
GtkStyle* gtk_widget_get_default_style (void);
|
|
GdkColormap* gtk_widget_get_default_colormap (void);
|
|
GdkVisual* gtk_widget_get_default_visual (void);
|
|
|
|
/* Counterpart to gdk_window_shape_combine_mask.
|
|
*/
|
|
void gtk_widget_shape_combine_mask (GtkWidget *widget,
|
|
GdkBitmap *shape_mask,
|
|
gint offset_x,
|
|
gint offset_y);
|
|
|
|
/* When you get a drag_enter event, you can use this to tell Gtk of other
|
|
* items that are to be dragged as well...
|
|
*/
|
|
void gtk_widget_dnd_drag_add (GtkWidget *widget);
|
|
|
|
/* These two functions enable drag and/or drop on a widget,
|
|
* and also let Gtk know what data types will be accepted (use MIME
|
|
* type naming, plus tacking "URL:" on the front for link dragging)
|
|
*/
|
|
void gtk_widget_dnd_drag_set (GtkWidget *widget,
|
|
guint8 drag_enable,
|
|
gchar **type_accept_list,
|
|
guint numtypes);
|
|
void gtk_widget_dnd_drop_set (GtkWidget *widget,
|
|
guint8 drop_enable,
|
|
gchar **type_accept_list,
|
|
guint numtypes,
|
|
guint8 is_destructive_operation);
|
|
|
|
/* Used to reply to a DRAG_REQUEST event - if you don't want to
|
|
* give the data then pass in NULL for it
|
|
*/
|
|
void gtk_widget_dnd_data_set (GtkWidget *widget,
|
|
GdkEvent *event,
|
|
gpointer data,
|
|
gulong data_numbytes);
|
|
|
|
#if defined (GTK_TRACE_OBJECTS) && defined (__GNUC__)
|
|
# define gtk_widget_ref gtk_object_ref
|
|
# define gtk_widget_unref gtk_object_unref
|
|
#endif /* GTK_TRACE_OBJECTS && __GNUC__ */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __GTK_WIDGET_H__ */
|