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reserv a signal slot for GtkWidget::style_set.

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added GTK_STYLE_SET flag.
-timj
This commit is contained in:
Tim Janik
1998-02-26 01:48:28 +00:00
parent 6c2818881d
commit 95efae09a7
2 changed files with 90 additions and 58 deletions
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97
gtk/gtkwidget.h
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@ -28,26 +28,28 @@
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* The flags that are used by GtkWidget on top of the
* flags field of GtkObject.
*/
enum
{
GTK_TOPLEVEL = 1 << 4,
GTK_NO_WINDOW = 1 << 5,
GTK_REALIZED = 1 << 6,
GTK_MAPPED = 1 << 7,
GTK_VISIBLE = 1 << 8,
GTK_SENSITIVE = 1 << 9,
GTK_PARENT_SENSITIVE = 1 << 10,
GTK_CAN_FOCUS = 1 << 11,
GTK_HAS_FOCUS = 1 << 12,
GTK_CAN_DEFAULT = 1 << 13,
GTK_HAS_DEFAULT = 1 << 14,
GTK_HAS_GRAB = 1 << 15,
GTK_BASIC = 1 << 16
GTK_TOPLEVEL = 1 << 4,
GTK_NO_WINDOW = 1 << 5,
GTK_REALIZED = 1 << 6,
GTK_MAPPED = 1 << 7,
GTK_VISIBLE = 1 << 8,
GTK_SENSITIVE = 1 << 9,
GTK_PARENT_SENSITIVE = 1 << 10,
GTK_CAN_FOCUS = 1 << 11,
GTK_HAS_FOCUS = 1 << 12,
GTK_CAN_DEFAULT = 1 << 13,
GTK_HAS_DEFAULT = 1 << 14,
GTK_HAS_GRAB = 1 << 15,
GTK_BASIC = 1 << 16,
GTK_RESERVED_3 = 1 << 17,
GTK_STYLE_SET = 1 << 18
};
@ -67,8 +69,8 @@ enum
/* Macros for extracting the widget flags from GtkWidget.
*/
#define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid))
#define GTK_WIDGET_TOPLEVEL(wid) (GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL)
#define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid))
#define GTK_WIDGET_TOPLEVEL(wid) (GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL)
#define GTK_WIDGET_NO_WINDOW(wid) (GTK_WIDGET_FLAGS (wid) & GTK_NO_WINDOW)
#define GTK_WIDGET_REALIZED(wid) (GTK_WIDGET_FLAGS (wid) & GTK_REALIZED)
#define GTK_WIDGET_MAPPED(wid) (GTK_WIDGET_FLAGS (wid) & GTK_MAPPED)
@ -84,19 +86,20 @@ enum
#define GTK_WIDGET_HAS_DEFAULT(wid) (GTK_WIDGET_FLAGS (wid) & GTK_HAS_DEFAULT)
#define GTK_WIDGET_HAS_GRAB(wid) (GTK_WIDGET_FLAGS (wid) & GTK_HAS_GRAB)
#define GTK_WIDGET_BASIC(wid) (GTK_WIDGET_FLAGS (wid) & GTK_BASIC)
#define GTK_WIDGET_STYLE_SET(wid) (GTK_WIDGET_FLAGS (wid) & GTK_STYLE_SET)
/* Macros for setting and clearing widget flags.
*/
#define GTK_WIDGET_SET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) |= (flag)); }G_STMT_END
#define GTK_WIDGET_UNSET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) &= ~(flag)); }G_STMT_END
/* Macros for testing whether "wid" is of type GtkWidget.
*/
#define GTK_IS_WIDGET(wid) GTK_CHECK_TYPE ((wid), GTK_TYPE_WIDGET)
#define GTK_TYPE_WIDGET (gtk_widget_get_type ())
typedef struct _GtkRequisition GtkRequisition;
typedef struct _GtkAllocation GtkAllocation;
typedef struct _GtkSelectionData GtkSelectionData;
@ -162,19 +165,19 @@ struct _GtkWidget
* GtkObject pointer.
*/
GtkObject object;
/* 16 bits of internally used private flags.
* this will be packed into the same 4 byte alignment frame that
* state and saved_state go. we therefore don't waste any new
* space on this.
*/
guint16 private_flags;
/* The state of the widget. There are actually only
* 5 widget states (defined in "gtkenums.h").
*/
guint8 state;
/* The saved state of the widget. When a widgets state
* is changed to GTK_STATE_INSENSITIVE via
* "gtk_widget_set_state" or "gtk_widget_set_sensitive"
@ -182,7 +185,7 @@ struct _GtkWidget
* will be restored once the widget gets sensitive again.
*/
guint8 saved_state;
/* The widgets 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 classes name.
@ -190,28 +193,28 @@ struct _GtkWidget
* use for a widget.
*/
gchar *name;
/* 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;
/* The widgets desired size.
*/
GtkRequisition requisition;
/* The widgets allocated size.
*/
GtkAllocation allocation;
/* The widgets window or its parent window if it does
* not have a window. (Which will be indicated by the
* GTK_NO_WINDOW flag being set).
*/
GdkWindow *window;
/* The widgets parent.
*/
GtkWidget *parent;
@ -226,13 +229,13 @@ struct _GtkWidgetClass
* pointer.
*/
GtkObjectClass parent_class;
/* The signal to emit when an object of this class is activated.
* This is used when activating the current focus widget and
* the default widget.
*/
gint activate_signal;
/* basics */
void (* show) (GtkWidget *widget);
void (* hide) (GtkWidget *widget);
@ -254,7 +257,9 @@ struct _GtkWidgetClass
guint previous_state);
void (* parent_set) (GtkWidget *widget,
GtkWidget *previous_parent);
void (* style_set) (GtkWidget *widget,
GtkStyle *previous_style);
/* accelerators */
gint (* install_accelerator) (GtkWidget *widget,
const gchar *signal_name,
@ -262,7 +267,7 @@ struct _GtkWidgetClass
guint8 modifiers);
void (* remove_accelerator) (GtkWidget *widget,
const gchar *signal_name);
/* events */
gint (* event) (GtkWidget *widget,
GdkEvent *event);
@ -317,18 +322,18 @@ struct _GtkWidgetClass
gint (* drop_leave_event) (GtkWidget *widget,
GdkEventDropLeave *event);
gint (* drop_data_available_event) (GtkWidget *widget,
GdkEventDropDataAvailable *event);
GdkEventDropDataAvailable *event);
gint (* other_event) (GtkWidget *widget,
GdkEventOther *event);
/* selection */
void (* selection_received) (GtkWidget *widget,
GtkSelectionData *selection_data);
gint (* client_event) (GtkWidget *widget,
GdkEventClient *event);
gint (* no_expose_event) (GtkWidget *widget,
GdkEventAny *event);
gint (* no_expose_event) (GtkWidget *widget,
GdkEventAny *event);
};
struct _GtkWidgetAuxInfo
@ -353,11 +358,11 @@ GtkWidget* gtk_widget_new (guint type,
GtkWidget* gtk_widget_newv (guint type,
guint nargs,
GtkArg *args);
void gtk_widget_ref (GtkWidget *widget);
void gtk_widget_unref (GtkWidget *widget);
void gtk_widget_destroy (GtkWidget *widget);
void gtk_widget_destroyed (GtkWidget *widget,
GtkWidget **widget_pointer);
void gtk_widget_ref (GtkWidget *widget);
void gtk_widget_unref (GtkWidget *widget);
void gtk_widget_destroy (GtkWidget *widget);
void gtk_widget_destroyed (GtkWidget *widget,
GtkWidget **widget_pointer);
void gtk_widget_get (GtkWidget *widget,
GtkArg *arg);
void gtk_widget_getv (GtkWidget *widget,
@ -510,7 +515,7 @@ void gtk_widget_dnd_data_set (GtkWidget *widget,
gpointer data,
gulong data_numbytes);
#if defined (GTK_TRACE_OBJECTS) && defined (__GNUC__)
#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__ */