panel_impl.h

操作系统SunOS 4.1.3版本的源码

/* Note that the first two fields of the
 * panel struct must match those of the panel_item
 * struct, since these are used interchangably in 
 * some cases.
 */
struct panel	{
        panel_ops_handle	ops;		/* panel specific operations */
   	u_int			flags;		/* default item flags */
	struct {
	   u_int left_down	: 1;		/* status of left button */
	   u_int middle_down	: 1;		/* status of middle button */
	   u_int right_down	: 1;		/* status of right button */
	} button_status;
	Panel_setting		mouse_state;	/* state of mouse buttons */
	int			windowfd;
	Pixwin		       *pixwin;
	Pixwin		       *view_pixwin;
	Rect			rect;
	Pixfont		       *font;
	char			edit_bk_char;
	char			edit_bk_word;
	char			edit_bk_line;
        Panel_setting		layout;		/* HORIZONTAL, VERTICAL */
	u_int			status;		/* current event state */
	int			item_x;
	int			item_y;
	int			item_x_offset;
	int			item_y_offset;
	int			max_item_y;	/* lowest item on row */
	panel_item_handle	items;
	panel_item_handle	current;
	panel_item_handle	caret;
	int			caret_on;
        int			(*timer_proc)();
        int			(*event_proc)();
	struct timeval		timer;		/* timer for the sw */
	struct timeval		timer_full;	/* initial secs & usecs */
	caddr_t			client_data;	/* for client use */
	caddr_t			help_data;	/* for help use */
        int			SliderActive;	/* TRUE if slider is previewing */
        Panel_setting		repaint;	/* default repaint behavior  */
	Toolsw		       *toolsw;		/* for setting width, height */
        Scrollbar		v_scrollbar;	/* vertical scrollbar        */
	int			v_bar_width;	/* width of vertical sb      */
        int			v_offset;	/* top of viewing window     */
        int			v_end;		/* bottom populated pixel    */
        int			v_margin;	/* gap at top for scrolling  */
        Scrollbar		h_scrollbar;	/* horizontal scrollbar      */
	int			h_bar_width;	/* width of horizontal sb    */
        int			h_offset;	/* left of viewing window    */
        int			h_end;		/* rightmost populated pixel */
        int			h_margin;	/* gap at left for scrolling */
	Tool			*tool;		/* for CLOSE, TOP */
	caddr_t			seln_client;	/* selection svc client id */
	struct panel_selection	selections[(int) SELN_UNSPECIFIED];
	char			*shelf;		/* contents of shelf seln */
	struct pixrect		*caret_pr;	/* current caret pixrect */
};

#define has_scrollbar(panel) (((panel)->v_scrollbar) || ((panel)->h_scrollbar))
#define has_background_proc(panel) \
	((panel)->ops && (panel)->ops->handle_event && \
	(panel)->ops->handle_event != panel_nullproc)

/*************************** panel item ***********************************/

/* types of items */
typedef enum { 
   PANEL_MESSAGE_ITEM,
   PANEL_BUTTON_ITEM, 
   PANEL_CHOICE_ITEM, 
   PANEL_TOGGLE_ITEM, 
   PANEL_TEXT_ITEM,
   PANEL_SLIDER_ITEM,
   PANEL_LINE_ITEM
} PANEL_ITEM_TYPE;
    
/* Note that the first two fields of the
 * panel_item struct must match those of the panel
 * struct, since these are used interchangably in 
 * some cases.
 */
struct panel_item {
   panel_ops_handle	ops;		/* item type specific operations */
   u_int		flags;		/* boolean attributes */
   PANEL_ITEM_TYPE	item_type;	/* type of this item */
   panel_handle		panel;		/* panel subwindow for the item */
   caddr_t		data;		/* item type specific data */
   Rect			painted_rect;	/* painted area in the pw */
   Rect			rect;		/* enclosing item rect */
   struct panel_image	label;		/* the label */
   Rect			label_rect;	/* enclosing label rect */
   Rect			value_rect;	/* enclosing label rect */
   Panel_setting	layout;	        /* HORIZONTAL, VERTICAL */
   int			(*notify)();	/* notify proc */
   struct menu	 	*menu;		/* menu of choices */
   struct panel_image 	 menu_title;	/* menu title string/image */
   struct panel_image 	*menu_choices;	/* each menu choice */
   short		 menu_last;	/* last slot in menu_choices[] */
   short		 menu_choices_bold;	/* bold/regular choices */
   caddr_t		*menu_values;	/* value for each menu item */
   Pixrect 		*menu_type_pr;	/* title type indication */
   Pixrect 		*menu_mark_on;	/* selected menu mark image */
   Pixrect 		*menu_mark_off;		/* un-sel. menu mark image*/
   short 		 menu_mark_width;	/* width of menu mark */
   short		 menu_mark_height;	/* height of menu mark */
   short		 menu_max_width;	/* width of the whole menu */
   struct {				/* status of menu attributes */ 
      u_int title_set		: 1;
      u_int title_font_set	: 1;
      u_int choices_set		: 1;
      u_int choice_fonts_set	: 1;
      u_int title_dirty		: 1;
   } menu_status;
   Panel_setting      repaint;		/* item's repaint behavior */
   panel_item_handle  next; 		/* next item */
   caddr_t	      client_data;	/* for client use */
   caddr_t	      help_data;	/* for help use */
   int		      color_index;	/* for color panel items */

};

/***********************************************************************/
/* external declarations of private functions                          */
/***********************************************************************/

extern 	panel_handle	 	panel_create_panel_struct();
extern 	int	 		panel_set_panel();
extern 	caddr_t	 		panel_get_panel();
extern 	panel_item_handle 	panel_successor();
extern 	struct pr_size 		panel_make_image();
extern  int			panel_set_generic();
extern  caddr_t			panel_get_generic();
extern 	Rect			panel_enclosing_rect();
extern 	panel_item_handle 	panel_append();
extern  int		 	panel_col_to_x();
extern  int		 	panel_row_to_y();
extern  char                   *panel_strsave();
extern int 			panel_nullproc();
extern int 			panel_fonthome();
extern struct menuitem 	       *panel_menu_display();
extern void			panel_sync_menu_title();
extern void			panel_copy_menu_title();
extern void			panel_copy_menu_choices();
extern				panel_find_default_xy();

/* pixwin writing routines */
extern int			panel_pw_write();
extern int			panel_pw_writebackground();
extern int			panel_pw_replrop();
extern int			panel_pw_vector();
extern int			panel_pw_text();
extern int			panel_pw_lock();
extern int			panel_draw_box();

/* paint routines */
extern void			panel_display();
extern int                      panel_paint_item();
extern void			panel_resize();

extern Notify_value		panel_use_event();
extern void			panel_caret_on();
extern void			panel_caret_invert();

/* selection service routines */
extern void			panel_seln_init();
extern void			panel_seln_destroy();
extern void			panel_seln_inform();
extern Seln_holder		panel_seln_inquire();
extern void			panel_seln_acquire();
extern void			panel_seln_cancel();
extern void			panel_seln_dehilite();
extern void			panel_seln_hilite();

/* scrollbar routines */
extern void	                panel_scroll();
extern void			panel_setup_scrollbar();
extern void			panel_update_extent();
extern void			panel_resize_region();
extern void			panel_update_scrollbars();

extern Notify_value		panel_notify_event();
extern Notify_value		panel_destroy();

/* for backwards compatability */
extern Toolsw			*panel_create_sw();

/* for lint */
extern char			*calloc();


/***********************************************************************/
/* external declarations of private data                               */
/***********************************************************************/

extern	Pixrect			panel_empty_pr;
extern	Pixrect			panel_caret_pr;
extern	Pixrect			panel_ghost_caret_pr;

/*************************************************************************/
/* miscellaneous private macros                                          */
/*************************************************************************/

#define	set(value)	((value) != -1) 

#ifndef LINT_CAST
#ifdef lint
#define LINT_CAST(arg)  (arg ? 0 : 0)
#else
#define LINT_CAST(arg)  arg
#endif
#endif LINT_CAST

#define	PANEL_CAST(client_panel)	\
    ((panel_handle) LINT_CAST(client_panel))

#define	PANEL_ITEM_CAST(client_item)	\
    ((panel_item_handle) LINT_CAST(client_item))


#endif menu_SKIP
 
#ifdef menu_SKIP
#undef menu_SKIP
#endif menu_SKIP
/*************************************************************************/

#endif !panel_impl_DEFINED