[lttv.git] / ltt / branches / poly / lttv / modules / guiControlFlow / Drawing.h

#ifndef _DRAWING_H
#define _DRAWING_H

#include <glib.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <ltt/ltt.h>
#include "CFV.h"

/* This part of the viewer does :
 * Draw horizontal lines, getting graphic context as arg.
 * Copy region of the screen into another.
 * Modify the boundaries to reflect a scale change. (resize)
 * Refresh the physical screen with the pixmap
 * A helper function is provided here to convert from time to process
 * identifier to pixels and the contrary (will be useful for mouse selection).
 * Insert an empty square in the drawing, moving the bottom part.
 *
 * Note: The last point is exactly why it would not be so easy to add the
 * vertical line functionnality as in the original version of LTT. In order
 * to do so, we should keep all processes in the list for the duration of
 * all the trace instead of dynamically adding and removing them when we
 * scroll. Another possibility is to redraw all the visible area when a new
 * process is added to the list. The second solution seems more appropriate
 * to me.
 * 
 *
 * The pixmap used has the width of the physical window, but the height
 * of the shown processes.
 */

typedef struct _Drawing_t Drawing_t;


//FIXME : TEMPORARILY PLACED HERE FOR GC !!
struct _Drawing_t {
	GtkWidget	*Drawing_Area_V;
	GdkPixmap	*Pixmap;
	ControlFlowData	*Control_Flow_Data;

	gint 		height, width, depth;

};


Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data);
void drawing_destroy(Drawing_t *Drawing);

GtkWidget *drawing_get_widget(Drawing_t *Drawing);
	
//void Drawing_Refresh (	Drawing_t *Drawing,
//			guint x, guint y,
//			guint width, guint height);

void drawing_draw_line(	Drawing_t *Drawing,
			GdkPixmap *Pixmap,
			guint x1, guint y1,
			guint x2, guint y2,
			GdkGC *GC);

//void Drawing_copy( Drawing_t *Drawing,
//		guint xsrc, guint ysrc,
//		guint xdest, guint ydest,
//		guint width, guint height);

/* Insert a square corresponding to a new process in the list */
void drawing_insert_square(Drawing_t *Drawing,
				guint y,
				guint height);

/* Remove a square corresponding to a removed process in the list */
void drawing_remove_square(Drawing_t *Drawing,
				guint y,
				guint height);


//void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);

void convert_pixels_to_time(
		Drawing_t *Drawing,
		guint x,
		LttTime *window_time_begin,
		LttTime *window_time_end,
		LttTime *begin);

void convert_time_to_pixels(
		LttTime window_time_begin,
		LttTime window_time_end,
		LttTime time,
		Drawing_t *Drawing,
		guint *x);

#endif // _DRAWING_H
Commit	Line	Data
	1	#ifndef _DRAWING_H
	2	#define _DRAWING_H
	3
	4	#include <glib.h>
	5	#include <gdk/gdk.h>
	6	#include <gtk/gtk.h>
	7	#include <ltt/ltt.h>
	8	#include "CFV.h"
	9
	10	/* This part of the viewer does :
	11	* Draw horizontal lines, getting graphic context as arg.
	12	* Copy region of the screen into another.
	13	* Modify the boundaries to reflect a scale change. (resize)
	14	* Refresh the physical screen with the pixmap
	15	* A helper function is provided here to convert from time to process
	16	* identifier to pixels and the contrary (will be useful for mouse selection).
	17	* Insert an empty square in the drawing, moving the bottom part.
	18	*
	19	* Note: The last point is exactly why it would not be so easy to add the
	20	* vertical line functionnality as in the original version of LTT. In order
	21	* to do so, we should keep all processes in the list for the duration of
	22	* all the trace instead of dynamically adding and removing them when we
	23	* scroll. Another possibility is to redraw all the visible area when a new
	24	* process is added to the list. The second solution seems more appropriate
	25	* to me.
	26	*
	27	*
	28	* The pixmap used has the width of the physical window, but the height
	29	* of the shown processes.
	30	*/
	31
	32	typedef struct _Drawing_t Drawing_t;
	33
	34
	35	//FIXME : TEMPORARILY PLACED HERE FOR GC !!
	36	struct _Drawing_t {
	37	GtkWidget *Drawing_Area_V;
	38	GdkPixmap *Pixmap;
	39	ControlFlowData *Control_Flow_Data;
	40
	41	gint height, width, depth;
	42
	43	};
	44
	45
	46	Drawing_t drawing_construct(ControlFlowData Control_Flow_Data);
	47	void drawing_destroy(Drawing_t *Drawing);
	48
	49	GtkWidget drawing_get_widget(Drawing_t Drawing);
	50
	51	//void Drawing_Refresh ( Drawing_t *Drawing,
	52	// guint x, guint y,
	53	// guint width, guint height);
	54
	55	void drawing_draw_line( Drawing_t *Drawing,
	56	GdkPixmap *Pixmap,
	57	guint x1, guint y1,
	58	guint x2, guint y2,
	59	GdkGC *GC);
	60
	61	//void Drawing_copy( Drawing_t *Drawing,
	62	// guint xsrc, guint ysrc,
	63	// guint xdest, guint ydest,
	64	// guint width, guint height);
	65
	66	/* Insert a square corresponding to a new process in the list */
	67	void drawing_insert_square(Drawing_t *Drawing,
	68	guint y,
	69	guint height);
	70
	71	/* Remove a square corresponding to a removed process in the list */
	72	void drawing_remove_square(Drawing_t *Drawing,
	73	guint y,
	74	guint height);
	75
	76
	77	//void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);
	78
	79	void convert_pixels_to_time(
	80	Drawing_t *Drawing,
	81	guint x,
	82	LttTime *window_time_begin,
	83	LttTime *window_time_end,
	84	LttTime *begin);
	85
	86	void convert_time_to_pixels(
	87	LttTime window_time_begin,
	88	LttTime window_time_end,
	89	LttTime time,
	90	Drawing_t *Drawing,
	91	guint *x);
	92
	93	#endif // _DRAWING_H