panel-widget.h 5.27 KB
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#ifndef __PANEL_WIDGET_H__
#define __PANEL_WIDGET_H__


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#include <gtk/gtk.h>
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#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define PANEL_WIDGET(obj)          GTK_CHECK_CAST (obj, panel_widget_get_type (), PanelWidget)
#define PANEL_WIDGET_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, panel_widget_get_type (), PanelWidgetClass)
#define IS_PANEL_WIDGET(obj)       GTK_CHECK_TYPE (obj, panel_widget_get_type ())

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#define PANEL_CELL_SIZE 10
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#define PANEL_MINIMUM_WIDTH 48
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#define PANEL_MAX 1000 /*10,000 long screen, FIXME! make dynamic*/

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#define PANEL_DRAWER_DROP_TARGET_SIZE 5
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#define PANEL_APPLET_PARENT_KEY "panel_applet_parent_key"
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#define PANEL_APPLET_ASSOC_PANEL_KEY "panel_applet_assoc_panel_key"
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#define PANEL_APPLET_DATA "panel_applet_data"
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typedef struct _PanelWidget		PanelWidget;
typedef struct _PanelWidgetClass	PanelWidgetClass;

typedef struct _AppletRecord		AppletRecord;
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typedef struct _AppletData		AppletData;
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typedef struct _DNDRecord		DNDRecord;
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typedef enum {
	PANEL_HORIZONTAL,
	PANEL_VERTICAL
} PanelOrientation;
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typedef enum {
	PANEL_FREE,
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	PANEL_DRAWER,
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	PANEL_TOP,
	PANEL_BOTTOM,
	PANEL_LEFT,
	PANEL_RIGHT
} PanelSnapped;
typedef enum {
	PANEL_EXPLICIT_HIDE,
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	PANEL_AUTO_HIDE
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} PanelMode;
typedef enum {
	PANEL_SHOWN,
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	PANEL_MOVING,
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	PANEL_HIDDEN,
	PANEL_HIDDEN_RIGHT,
	PANEL_HIDDEN_LEFT
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} PanelState;
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typedef enum {
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	DROP_ZONE_LEFT,
	DROP_ZONE_RIGHT
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} DrawerDropZonePos;
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struct _AppletRecord
{
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	GtkWidget		*applet;
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	gint			cells;
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};

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struct _AppletData
{
	gint prevx;
	gint prevy;
	gint prevwidth;
	gint prevheight;
};

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struct _DNDRecord
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{
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	AppletRecord		*applet;
	GtkWidget		*parent;
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};

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struct _PanelWidget
{
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	GtkWindow		window;
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	GtkWidget		*fixed;
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	GtkWidget		*table;
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	GtkWidget		*hidebutton_n;
	GtkWidget		*hidebutton_e;
	GtkWidget		*hidebutton_w;
	GtkWidget		*hidebutton_s;

	AppletRecord		applets[PANEL_MAX];
	gint	 		applet_count;
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	gint			size;
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	PanelOrientation	orient;
	PanelSnapped		snapped;
	PanelMode		mode;
	PanelState		state;
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	gint			leave_notify_timer_tag;
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	GtkWidget		*currently_dragged_applet;
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	gint			currently_dragged_applet_pos;
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	GtkWidget		*drawer_drop_zone;
	DrawerDropZonePos	drawer_drop_zone_pos;

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	gint			thick;
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	gint			drawers_open; /* a count which can be used
						 to block the autohide, until
						 it is 0 .. it's set by the
						 app not the widget*/
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};

struct _PanelWidgetClass
{
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	GtkWindowClass parent_class;
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	void (* orient_change) (PanelWidget *panel,
				PanelOrientation orient,
				PanelSnapped snapped);
	void (* state_change) (PanelWidget *panel,
			       PanelState state);
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	void (* applet_move) (PanelWidget *panel,
			      GtkWidget *applet);
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	void (* applet_added) (PanelWidget *panel,
			       GtkWidget *applet);
	void (* applet_removed) (PanelWidget *panel);
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};

guint		panel_widget_get_type		(void);
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GtkWidget*	panel_widget_new		(gint size,
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						 PanelOrientation orient,
						 PanelSnapped snapped,
						 PanelMode mode,
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						 PanelState state,
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						 gint pos_x,
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						 gint pos_y,
						 DrawerDropZonePos
						 	drop_zone_pos);
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/*add an applet to the panel, preferably at position pos*/
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gint		panel_widget_add		(PanelWidget *panel,
						 GtkWidget *applet,
						 gint pos);
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/*move oldpos to newpos*/
gint		panel_widget_move		(PanelWidget *panel,
						 gint oldpos,
						 gint pos);

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/*remove an applet from the panel*/
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gint		panel_widget_remove		(PanelWidget *panel,
						 GtkWidget *applet);
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/*move applet to a different panel*/
gint		panel_widget_reparent		(PanelWidget *old_panel,
						 PanelWidget *new_panel,
						 GtkWidget *applet,
						 gint pos);
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/*return position of an applet*/
gint		panel_widget_get_pos		(PanelWidget *panel,
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						 GtkWidget *applet);
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/*return a list of all applets*/
GList*		panel_widget_get_applets	(PanelWidget *panel);
/*run func for each applet*/
void		panel_widget_foreach		(PanelWidget *panel,
						 GFunc func,
						 gpointer user_data);
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/*restore the current state, used after it was gtk_widget_hiden
  emits "restore_state" signal so you can propagate the restore
  state to drawers and such*/
void		panel_widget_restore_state	(PanelWidget *panel);

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/*open and close drawers*/
void		panel_widget_open_drawer	(PanelWidget *panel);
void		panel_widget_close_drawer	(PanelWidget *panel);

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/*initiate drag*/
void		panel_widget_applet_drag_start	(PanelWidget *panel,
						 GtkWidget *applet);
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/*needed for corba*/
void		panel_widget_applet_drag_start_no_grab(PanelWidget *panel,
						       GtkWidget *applet);
void		panel_widget_applet_drag_end_no_grab(PanelWidget *panel);
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gint		panel_widget_applet_move_to_cursor(PanelWidget *panel);
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void		panel_widget_applet_move_use_idle(PanelWidget *panel);

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/*changing parameters*/
void		panel_widget_change_params	(PanelWidget *panel,
						 PanelOrientation orient,
						 PanelSnapped snapped,
						 PanelMode mode,
						 PanelState state,
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						 DrawerDropZonePos
						 	drop_zone_pos);
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/*changing parameters (orient only)*/
void		panel_widget_change_orient	(PanelWidget *panel,
						 PanelOrientation orient);

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/*change global params*/
void		panel_widget_change_global	(gint explicit_step,
						 gint auto_step,
						 gint minimized_size,
						 gint minimize_delay);

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/*popup the widget if it's popped down (autohide)*/
void		panel_widget_pop_up		(PanelWidget *panel);


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extern GList *panels;

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#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __PANEL_WIDGET_H__ */