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


#include <gtk/gtk.h>
#include <gdk/gdk.h>

#include <lttv/processTrace.h>
#include <lttv/gtkTraceSet.h>
#include <lttv/hook.h>

#include "Drawing.h"
#include "CFV.h"
#include "CFV-private.h"
#include "Event_Hooks.h"

#define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
#define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)


/*****************************************************************************
 *                              Drawing functions                            *
 *****************************************************************************/

//FIXME Colors will need to be dynamic. Graphic context part not done so far.
typedef enum 
{
	RED,
	GREEN,
	BLUE,
	WHITE,
	BLACK

} ControlFlowColors;

/* Vector of unallocated colors */
static GdkColor CF_Colors [] = 
{
	{ 0, 0xffff, 0x0000, 0x0000 },	// RED
	{ 0, 0x0000, 0xffff, 0x0000 },	// GREEN
	{ 0, 0x0000, 0x0000, 0xffff },	// BLUE
	{ 0, 0xffff, 0xffff, 0xffff },	// WHITE
	{ 0, 0x0000, 0x0000, 0x0000 }	// BLACK
};


/* Function responsible for updating the exposed area.
 * It must call processTrace() to ask for this update.
 */
void drawing_data_request(Drawing_t *Drawing,
			GdkPixmap **Pixmap,
			gint x, gint y,
		  gint width,
			gint height)
{
  if(width < 0) return ;
  if(height < 0) return ;
	ControlFlowData *control_flow_data =
			(ControlFlowData*)g_object_get_data(
								G_OBJECT(
										Drawing->Drawing_Area_V),
								"Control_Flow_Data");

	LttTime start, end;
	LttTime window_end = ltt_time_add(control_flow_data->Time_Window.time_width,
												control_flow_data->Time_Window.start_time);

	g_critical("req : window_end : %u, %u", window_end.tv_sec, 
																			window_end.tv_nsec);

	g_critical("req : time width : %u, %u", control_flow_data->Time_Window.time_width.tv_sec, 
																control_flow_data->Time_Window.time_width.tv_nsec);
	
	g_critical("x is : %i, x+width is : %i", x, x+width);

	convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x,
				&control_flow_data->Time_Window.start_time,
				&window_end,
				&start);

	convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x + width,
				&control_flow_data->Time_Window.start_time,
				&window_end,
				&end);
	
	LttvTracesetContext * tsc =
				get_traceset_context(control_flow_data->Parent_Window);
	
  gdk_draw_rectangle (*Pixmap,
		      Drawing->Drawing_Area_V->style->white_gc,
		      TRUE,
		      x, y,
		      width,	// do not overlap
		      height);

  //send_test_process(
	//guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
	//Drawing);
  //send_test_drawing(
	//guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
	//Drawing, *Pixmap, x, y, width, height);
  
	// Let's call processTrace() !!
	EventRequest event_request; // Variable freed at the end of the function.
	event_request.Control_Flow_Data = control_flow_data;
	event_request.time_begin = start;
	event_request.time_end = end;

	g_critical("req : start : %u, %u", event_request.time_begin.tv_sec, 
																			event_request.time_begin.tv_nsec);

	g_critical("req : end : %u, %u", event_request.time_end.tv_sec, 
																			event_request.time_end.tv_nsec);
	
	LttvHooks *event = lttv_hooks_new();
	state_add_event_hooks_api(control_flow_data->Parent_Window);
	lttv_hooks_add(event, draw_event_hook, &event_request);

	lttv_process_traceset_seek_time(tsc, start);
	lttv_traceset_context_add_hooks(tsc,
			NULL, NULL, NULL, NULL, NULL, NULL,
			NULL, NULL, NULL, event, NULL);
	lttv_process_traceset(tsc, end, G_MAXULONG);
	lttv_traceset_context_remove_hooks(tsc, NULL, NULL, NULL, NULL, NULL, NULL,
			NULL, NULL, NULL, event, NULL);

	state_remove_event_hooks_api(control_flow_data->Parent_Window);
	lttv_hooks_destroy(event);
}
		      
/* Callbacks */


/* Create a new backing pixmap of the appropriate size */
static gboolean
configure_event( GtkWidget *widget, GdkEventConfigure *event, 
		gpointer user_data)
{
  Drawing_t *Drawing = (Drawing_t*)user_data;


	/* First, get the new time interval of the main window */
	/* we assume (see documentation) that the main window
	 * has updated the time interval before this configure gets
	 * executed.
	 */
	get_time_window(Drawing->Control_Flow_Data->Parent_Window,
			&Drawing->Control_Flow_Data->Time_Window);
		
  /* New Pixmap, size of the configure event */
  GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
			  widget->allocation.width,
			  widget->allocation.height,
			  -1);
	
  g_critical("drawing configure event");

  /* If no old Pixmap present */
  if(Drawing->Pixmap == NULL)
  {
  	Drawing->Pixmap = gdk_pixmap_new(
		widget->window,
		widget->allocation.width,
		widget->allocation.height,
		//ProcessList_get_height
		// (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)),
		-1);
	Drawing->width = widget->allocation.width;
	Drawing->height = widget->allocation.height;
g_critical("init data");
	/* Initial data request */
 	drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
		   	widget->allocation.width,
			widget->allocation.height);

  }
//  /* Draw empty background */ 
//  gdk_draw_rectangle (Pixmap,
//		      widget->style->black_gc,
//		      TRUE,
//		      0, 0,
//		      widget->allocation.width,
//		      widget->allocation.height);
  
  /* Copy old data to new pixmap */
  gdk_draw_drawable (Pixmap,
		  widget->style->white_gc,
		  Drawing->Pixmap,
		  0, 0,
		  0, 0,
		  -1, -1);

  if (Drawing->Pixmap)
    gdk_pixmap_unref(Drawing->Pixmap);

  Drawing->Pixmap = Pixmap;

   /* Request data for missing space */
g_critical("missing data");
   drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
		   	widget->allocation.width - Drawing->width,
			widget->allocation.height);
	 // we do not request data vertically!
//   drawing_data_request(Drawing, &Pixmap, 0, Drawing->height,
//		   Drawing->width,
//		   widget->allocation.height - Drawing->height);
		                      
//   gdk_draw_rectangle (Pixmap,
//		      widget->style->white_gc,
//		      TRUE,
//		      Drawing->width, 0,
//		      widget->allocation.width -
//		      			Drawing->width,
//		      widget->allocation.height);
		
	 	// Clear the bottom part of the image
    gdk_draw_rectangle (Pixmap,
		      widget->style->white_gc,
		      TRUE,
		      0, Drawing->height,
		      Drawing->width,	// do not overlap
		      widget->allocation.height -	Drawing->height);
 
  Drawing->width = widget->allocation.width;
  Drawing->height = widget->allocation.height;

  return TRUE;
}


/* Redraw the screen from the backing pixmap */
static gboolean
expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
{
  Drawing_t *Drawing = (Drawing_t*)user_data;
  g_critical("drawing expose event");

  gdk_draw_pixmap(widget->window,
		  widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
		  Drawing->Pixmap,
		  event->area.x, event->area.y,
		  event->area.x, event->area.y,
		  event->area.width, event->area.height);

  return FALSE;
}

Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
{
	Drawing_t *Drawing = g_new(Drawing_t, 1);
		
	Drawing->Drawing_Area_V = gtk_drawing_area_new ();
	Drawing->Control_Flow_Data = Control_Flow_Data;

	//gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
	g_object_set_data_full(
			G_OBJECT(Drawing->Drawing_Area_V),
			"Link_Drawing_Data",
			Drawing,
			(GDestroyNotify)drawing_destroy);

	//gtk_widget_modify_bg(	Drawing->Drawing_Area_V,
	//			GTK_STATE_NORMAL,
	//			&CF_Colors[BLACK]);
	
	//gdk_window_get_geometry(Drawing->Drawing_Area_V->window,
	//		NULL, NULL,
	//		&(Drawing->width),
	//		&(Drawing->height),
	//		-1);
	
	//Drawing->Pixmap = gdk_pixmap_new(
	//		Drawing->Drawing_Area_V->window,
	//		Drawing->width,
	//		Drawing->height,
	//		Drawing->depth);
	
	Drawing->Pixmap = NULL;

// 	Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
//			  Drawing->Drawing_Area_V->allocation.width,
//			  Drawing->Drawing_Area_V->allocation.height,
//			  -1);

	g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
				"configure_event",
				G_CALLBACK (configure_event),
				(gpointer)Drawing);
	
	g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
				"expose_event",
				G_CALLBACK (expose_event),
				(gpointer)Drawing);

	return Drawing;
}

void drawing_destroy(Drawing_t *Drawing)
{

	// Do not unref here, Drawing_t destroyed by it's widget.
	//g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
		
	g_free(Drawing);
}

GtkWidget *drawing_get_widget(Drawing_t *Drawing)
{
	return Drawing->Drawing_Area_V;
}

/* convert_pixels_to_time
 *
 * Convert from window pixel and time interval to an absolute time.
 */
void convert_pixels_to_time(
		gint width,
		guint x,
		LttTime *window_time_begin,
		LttTime *window_time_end,
		LttTime *time)
{
	LttTime window_time_interval;
	
	window_time_interval = ltt_time_sub(*window_time_end, 
            *window_time_begin);
	*time = ltt_time_mul(window_time_interval, (x/(float)width));
	*time = ltt_time_add(*window_time_begin, *time);
}


void convert_time_to_pixels(
		LttTime window_time_begin,
		LttTime window_time_end,
		LttTime time,
		int width,
		guint *x)
{
	LttTime window_time_interval;
	float interval_float, time_float;
	
	window_time_interval = ltt_time_sub(window_time_end,window_time_begin);
	
	time = ltt_time_sub(time, window_time_begin);
	
	interval_float = ltt_time_to_double(window_time_interval);
	time_float = ltt_time_to_double(time);

	*x = (guint)(time_float/interval_float * width);
	
}

void drawing_refresh (	Drawing_t *Drawing,
			guint x, guint y,
			guint width, guint height)
{
	g_info("Drawing.c : drawing_refresh %u, %u, %u, %u", x, y, width, height);
	GdkRectangle update_rect;

	gdk_draw_drawable(
		Drawing->Drawing_Area_V->window,
		Drawing->Drawing_Area_V->
		 style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)],
		GDK_DRAWABLE(Drawing->Pixmap),
		x, y,
		x, y,
		width, height);

	update_rect.x = 0 ;
	update_rect.y = 0 ;
	update_rect.width = Drawing->width;
	update_rect.height = Drawing->height ;
	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);

}


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


void drawing_resize(Drawing_t *Drawing, guint h, guint w)
{
	Drawing->height = h ;
	Drawing->width = w ;

	gtk_widget_set_size_request (	Drawing->Drawing_Area_V,
					Drawing->width,
					Drawing->height);
	
	
}


/* Insert a square corresponding to a new process in the list */
/* Applies to whole Drawing->width */
void drawing_insert_square(Drawing_t *Drawing,
				guint y,
				guint height)
{
	GdkRectangle update_rect;

	/* Allocate a new pixmap with new height */
	GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
			  Drawing->width,
			  Drawing->height + height,
			  -1);
	
	/* Copy the high region */
	gdk_draw_drawable (Pixmap,
		Drawing->Drawing_Area_V->style->black_gc,
		Drawing->Pixmap,
		0, 0,
		0, 0,
		Drawing->width, y);


	/* add an empty square */
	gdk_draw_rectangle (Pixmap,
		Drawing->Drawing_Area_V->style->black_gc,
		TRUE,
		0, y,
		Drawing->width,	// do not overlap
		height);


	/* copy the bottom of the region */
 	gdk_draw_drawable (Pixmap,
		Drawing->Drawing_Area_V->style->black_gc,
		Drawing->Pixmap,
		0, y,
		0, y + height,
		Drawing->width, Drawing->height - y);


	if (Drawing->Pixmap)
		gdk_pixmap_unref(Drawing->Pixmap);

	Drawing->Pixmap = Pixmap;
	
	Drawing->height+=height;

	/* Rectangle to update, from new Drawing dimensions */
	update_rect.x = 0 ;
	update_rect.y = y ;
	update_rect.width = Drawing->width;
	update_rect.height = Drawing->height - y ;
	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
}


/* Remove a square corresponding to a removed process in the list */
void drawing_remove_square(Drawing_t *Drawing,
				guint y,
				guint height)
{
	GdkRectangle update_rect;
	
	/* Allocate a new pixmap with new height */
	GdkPixmap *Pixmap = gdk_pixmap_new(
			Drawing->Drawing_Area_V->window,
			Drawing->width,
			Drawing->height - height,
			-1);
	
	/* Copy the high region */
	gdk_draw_drawable (Pixmap,
		Drawing->Drawing_Area_V->style->black_gc,
		Drawing->Pixmap,
		0, 0,
		0, 0,
		Drawing->width, y);


	/* Copy up the bottom of the region */
 	gdk_draw_drawable (Pixmap,
		Drawing->Drawing_Area_V->style->black_gc,
		Drawing->Pixmap,
		0, y + height,
		0, y,
		Drawing->width, Drawing->height - y - height);


	if (Drawing->Pixmap)
		gdk_pixmap_unref(Drawing->Pixmap);

	Drawing->Pixmap = Pixmap;
	
	Drawing->height-=height;
	
	/* Rectangle to update, from new Drawing dimensions */
	update_rect.x = 0 ;
	update_rect.y = y ;
	update_rect.width = Drawing->width;
	update_rect.height = Drawing->height - y ;
	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
}
Commit	Line	Data
fa2c4dbe	1
76a67e8a	2	#include <gtk/gtk.h>
76a67e8a	3	#include <gdk/gdk.h>
f0d936c0	4
831a876d	5	#include <lttv/processTrace.h>
f66eba62	6	#include <lttv/gtkTraceSet.h>
f66eba62	7	#include <lttv/hook.h>
831a876d	8
f66eba62	9	#include "Drawing.h"
	10	#include "CFV.h"
	11	#include "CFV-private.h"
	12	#include "Event_Hooks.h"
6d5ed1c3	13
	14	#define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
	15	#define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
	16
	17
f0d936c0	18	/*****************************************************************************
	19	* Drawing functions *
	20	*****************************************************************************/
	21
831a876d	22	//FIXME Colors will need to be dynamic. Graphic context part not done so far.
f0d936c0	23	typedef enum
	24	{
	25	RED,
	26	GREEN,
	27	BLUE,
	28	WHITE,
	29	BLACK
	30
	31	} ControlFlowColors;
	32
	33	/* Vector of unallocated colors */
	34	static GdkColor CF_Colors [] =
	35	{
	36	{ 0, 0xffff, 0x0000, 0x0000 }, // RED
	37	{ 0, 0x0000, 0xffff, 0x0000 }, // GREEN
	38	{ 0, 0x0000, 0x0000, 0xffff }, // BLUE
	39	{ 0, 0xffff, 0xffff, 0xffff }, // WHITE
	40	{ 0, 0x0000, 0x0000, 0x0000 } // BLACK
	41	};
	42
	43
831a876d	44	/* Function responsible for updating the exposed area.
	45	* It must call processTrace() to ask for this update.
	46	*/
4c69e0cc	47	void drawing_data_request(Drawing_t *Drawing,
f7afe191	48	GdkPixmap **Pixmap,
847b479d	49	gint x, gint y,
4c69e0cc	50	gint width,
847b479d	51	gint height)
847b479d	52	{
d9b7ca88	53	if(width < 0) return ;
d9b7ca88	54	if(height < 0) return ;
f66eba62	55	ControlFlowData *control_flow_data =
	56	(ControlFlowData*)g_object_get_data(
	57	G_OBJECT(
	58	Drawing->Drawing_Area_V),
	59	"Control_Flow_Data");
	60
	61	LttTime start, end;
	62	LttTime window_end = ltt_time_add(control_flow_data->Time_Window.time_width,
	63	control_flow_data->Time_Window.start_time);
	64
e9a9c513	65	g_critical("req : window_end : %u, %u", window_end.tv_sec,
	66	window_end.tv_nsec);
	67
	68	g_critical("req : time width : %u, %u", control_flow_data->Time_Window.time_width.tv_sec,
	69	control_flow_data->Time_Window.time_width.tv_nsec);
	70
	71	g_critical("x is : %i, x+width is : %i", x, x+width);
	72
80a52ff8	73	convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x,
f66eba62	74	&control_flow_data->Time_Window.start_time,
	75	&window_end,
	76	&start);
	77
80a52ff8	78	convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x + width,
f66eba62	79	&control_flow_data->Time_Window.start_time,
	80	&window_end,
	81	&end);
	82
	83	LttvTracesetContext * tsc =
	84	get_traceset_context(control_flow_data->Parent_Window);
	85
f7afe191	86	gdk_draw_rectangle (*Pixmap,
847b479d	87	Drawing->Drawing_Area_V->style->white_gc,
	88	TRUE,
	89	x, y,
	90	width, // do not overlap
	91	height);
	92
e9a9c513	93	//send_test_process(
	94	//guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
	95	//Drawing);
f66eba62	96	//send_test_drawing(
	97	//guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
	98	//Drawing, *Pixmap, x, y, width, height);
831a876d	99
8d088fb2	100	// Let's call processTrace() !!
f66eba62	101	EventRequest event_request; // Variable freed at the end of the function.
	102	event_request.Control_Flow_Data = control_flow_data;
	103	event_request.time_begin = start;
	104	event_request.time_end = end;
	105
e9a9c513	106	g_critical("req : start : %u, %u", event_request.time_begin.tv_sec,
	107	event_request.time_begin.tv_nsec);
	108
	109	g_critical("req : end : %u, %u", event_request.time_end.tv_sec,
	110	event_request.time_end.tv_nsec);
	111
f66eba62	112	LttvHooks *event = lttv_hooks_new();
80a52ff8	113	state_add_event_hooks_api(control_flow_data->Parent_Window);
f66eba62	114	lttv_hooks_add(event, draw_event_hook, &event_request);
	115
	116	lttv_process_traceset_seek_time(tsc, start);
	117	lttv_traceset_context_add_hooks(tsc,
	118	NULL, NULL, NULL, NULL, NULL, NULL,
	119	NULL, NULL, NULL, event, NULL);
	120	lttv_process_traceset(tsc, end, G_MAXULONG);
	121	lttv_traceset_context_remove_hooks(tsc, NULL, NULL, NULL, NULL, NULL, NULL,
	122	NULL, NULL, NULL, event, NULL);
	123
80a52ff8	124	state_remove_event_hooks_api(control_flow_data->Parent_Window);
f66eba62	125	lttv_hooks_destroy(event);
847b479d	126	}
	127
	128	/* Callbacks */
	129
	130
	131	/* Create a new backing pixmap of the appropriate size */
	132	static gboolean
	133	configure_event( GtkWidget widget, GdkEventConfigure event,
	134	gpointer user_data)
f0d936c0	135	{
847b479d	136	Drawing_t Drawing = (Drawing_t)user_data;
f0d936c0	137
86c520a7	138
	139	/* First, get the new time interval of the main window */
	140	/* we assume (see documentation) that the main window
	141	* has updated the time interval before this configure gets
	142	* executed.
	143	*/
	144	get_time_window(Drawing->Control_Flow_Data->Parent_Window,
	145	&Drawing->Control_Flow_Data->Time_Window);
	146
f7afe191	147	/* New Pixmap, size of the configure event */
847b479d	148	GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
	149	widget->allocation.width,
	150	widget->allocation.height,
	151	-1);
	152
f7afe191	153	g_critical("drawing configure event");
	154
	155	/* If no old Pixmap present */
847b479d	156	if(Drawing->Pixmap == NULL)
847b479d	157	{
f7afe191	158	Drawing->Pixmap = gdk_pixmap_new(
	159	widget->window,
	160	widget->allocation.width,
	161	widget->allocation.height,
	162	//ProcessList_get_height
	163	// (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)),
	164	-1);
847b479d	165	Drawing->width = widget->allocation.width;
847b479d	166	Drawing->height = widget->allocation.height;
f7afe191	167	g_critical("init data");
847b479d	168	/* Initial data request */
4c69e0cc	169	drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
847b479d	170	widget->allocation.width,
	171	widget->allocation.height);
	172
	173	}
	174	// /* Draw empty background */
	175	// gdk_draw_rectangle (Pixmap,
	176	// widget->style->black_gc,
	177	// TRUE,
	178	// 0, 0,
	179	// widget->allocation.width,
	180	// widget->allocation.height);
	181
	182	/* Copy old data to new pixmap */
	183	gdk_draw_drawable (Pixmap,
	184	widget->style->white_gc,
	185	Drawing->Pixmap,
	186	0, 0,
	187	0, 0,
	188	-1, -1);
	189
80a52ff8	190	if (Drawing->Pixmap)
	191	gdk_pixmap_unref(Drawing->Pixmap);
	192
	193	Drawing->Pixmap = Pixmap;
	194
847b479d	195	/* Request data for missing space */
f7afe191	196	g_critical("missing data");
4c69e0cc	197	drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
847b479d	198	widget->allocation.width - Drawing->width,
847b479d	199	widget->allocation.height);
80fd7048	200	// we do not request data vertically!
	201	// drawing_data_request(Drawing, &Pixmap, 0, Drawing->height,
	202	// Drawing->width,
	203	// widget->allocation.height - Drawing->height);
	204
847b479d	205	// gdk_draw_rectangle (Pixmap,
	206	// widget->style->white_gc,
	207	// TRUE,
	208	// Drawing->width, 0,
	209	// widget->allocation.width -
	210	// Drawing->width,
	211	// widget->allocation.height);
80fd7048	212
	213	// Clear the bottom part of the image
	214	gdk_draw_rectangle (Pixmap,
	215	widget->style->white_gc,
	216	TRUE,
	217	0, Drawing->height,
	218	Drawing->width, // do not overlap
	219	widget->allocation.height - Drawing->height);
847b479d	220
847b479d	221	Drawing->width = widget->allocation.width;
	222	Drawing->height = widget->allocation.height;
	223
	224	return TRUE;
	225	}
	226
	227
	228	/* Redraw the screen from the backing pixmap */
	229	static gboolean
	230	expose_event( GtkWidget widget, GdkEventExpose event, gpointer user_data )
	231	{
	232	Drawing_t Drawing = (Drawing_t)user_data;
	233	g_critical("drawing expose event");
	234
	235	gdk_draw_pixmap(widget->window,
	236	widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
	237	Drawing->Pixmap,
	238	event->area.x, event->area.y,
	239	event->area.x, event->area.y,
	240	event->area.width, event->area.height);
	241
	242	return FALSE;
	243	}
	244
4c69e0cc	245	Drawing_t drawing_construct(ControlFlowData Control_Flow_Data)
847b479d	246	{
76a67e8a	247	Drawing_t *Drawing = g_new(Drawing_t, 1);
f0d936c0	248
f0d936c0	249	Drawing->Drawing_Area_V = gtk_drawing_area_new ();
f7afe191	250	Drawing->Control_Flow_Data = Control_Flow_Data;
f7afe191	251
847b479d	252	//gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
f0d936c0	253	g_object_set_data_full(
f0d936c0	254	G_OBJECT(Drawing->Drawing_Area_V),
76a67e8a	255	"Link_Drawing_Data",
f0d936c0	256	Drawing,
3cff8cc1	257	(GDestroyNotify)drawing_destroy);
f0d936c0	258
847b479d	259	//gtk_widget_modify_bg( Drawing->Drawing_Area_V,
	260	// GTK_STATE_NORMAL,
	261	// &CF_Colors[BLACK]);
	262
	263	//gdk_window_get_geometry(Drawing->Drawing_Area_V->window,
	264	// NULL, NULL,
	265	// &(Drawing->width),
	266	// &(Drawing->height),
	267	// -1);
	268
	269	//Drawing->Pixmap = gdk_pixmap_new(
	270	// Drawing->Drawing_Area_V->window,
	271	// Drawing->width,
	272	// Drawing->height,
	273	// Drawing->depth);
	274
	275	Drawing->Pixmap = NULL;
	276
	277	// Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
	278	// Drawing->Drawing_Area_V->allocation.width,
	279	// Drawing->Drawing_Area_V->allocation.height,
	280	// -1);
	281
847b479d	282	g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
	283	"configure_event",
	284	G_CALLBACK (configure_event),
	285	(gpointer)Drawing);
	286
	287	g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
	288	"expose_event",
	289	G_CALLBACK (expose_event),
	290	(gpointer)Drawing);
	291
f0d936c0	292	return Drawing;
	293	}
	294
4c69e0cc	295	void drawing_destroy(Drawing_t *Drawing)
f0d936c0	296	{
f0d936c0	297
76a67e8a	298	// Do not unref here, Drawing_t destroyed by it's widget.
76a67e8a	299	//g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
f0d936c0	300
	301	g_free(Drawing);
	302	}
	303
4c69e0cc	304	GtkWidget drawing_get_widget(Drawing_t Drawing)
76a67e8a	305	{
	306	return Drawing->Drawing_Area_V;
	307	}
	308
f66eba62	309	/* convert_pixels_to_time
f0d936c0	310	*
f66eba62	311	* Convert from window pixel and time interval to an absolute time.
f0d936c0	312	*/
fa2c4dbe	313	void convert_pixels_to_time(
e9a9c513	314	gint width,
fa2c4dbe	315	guint x,
	316	LttTime *window_time_begin,
	317	LttTime *window_time_end,
76a67e8a	318	LttTime *time)
f0d936c0	319	{
fa2c4dbe	320	LttTime window_time_interval;
f0d936c0	321
308711e5	322	window_time_interval = ltt_time_sub(*window_time_end,
308711e5	323	*window_time_begin);
e9a9c513	324	*time = ltt_time_mul(window_time_interval, (x/(float)width));
308711e5	325	time = ltt_time_add(window_time_begin, *time);
fa2c4dbe	326	}
	327
	328
	329
	330	void convert_time_to_pixels(
	331	LttTime window_time_begin,
	332	LttTime window_time_end,
	333	LttTime time,
e9a9c513	334	int width,
76a67e8a	335	guint *x)
fa2c4dbe	336	{
fa2c4dbe	337	LttTime window_time_interval;
76a67e8a	338	float interval_float, time_float;
fa2c4dbe	339
308711e5	340	window_time_interval = ltt_time_sub(window_time_end,window_time_begin);
fa2c4dbe	341
308711e5	342	time = ltt_time_sub(time, window_time_begin);
fa2c4dbe	343
308711e5	344	interval_float = ltt_time_to_double(window_time_interval);
308711e5	345	time_float = ltt_time_to_double(time);
76a67e8a	346
e9a9c513	347	x = (guint)(time_float/interval_float width);
f0d936c0	348
	349	}
	350
4c69e0cc	351	void drawing_refresh ( Drawing_t *Drawing,
847b479d	352	guint x, guint y,
	353	guint width, guint height)
	354	{
6d5ed1c3	355	g_info("Drawing.c : drawing_refresh %u, %u, %u, %u", x, y, width, height);
f7afe191	356	GdkRectangle update_rect;
f7afe191	357
847b479d	358	gdk_draw_drawable(
	359	Drawing->Drawing_Area_V->window,
	360	Drawing->Drawing_Area_V->
	361	style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)],
	362	GDK_DRAWABLE(Drawing->Pixmap),
	363	x, y,
	364	x, y,
	365	width, height);
f7afe191	366
	367	update_rect.x = 0 ;
	368	update_rect.y = 0 ;
	369	update_rect.width = Drawing->width;
	370	update_rect.height = Drawing->height ;
	371	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
	372
847b479d	373	}
	374
	375
4c69e0cc	376	void drawing_draw_line( Drawing_t *Drawing,
847b479d	377	GdkPixmap *Pixmap,
	378	guint x1, guint y1,
	379	guint x2, guint y2,
	380	GdkGC *GC)
	381	{
	382	gdk_draw_line (Pixmap,
	383	GC,
	384	x1, y1, x2, y2);
	385	}
	386
	387
fa2c4dbe	388
fa2c4dbe	389
4c69e0cc	390	void drawing_resize(Drawing_t *Drawing, guint h, guint w)
f0d936c0	391	{
f0d936c0	392	Drawing->height = h ;
76a67e8a	393	Drawing->width = w ;
f0d936c0	394
76a67e8a	395	gtk_widget_set_size_request ( Drawing->Drawing_Area_V,
76a67e8a	396	Drawing->width,
f0d936c0	397	Drawing->height);
	398
	399
	400	}
847b479d	401
847b479d	402
5f16133f	403	/* Insert a square corresponding to a new process in the list */
5f16133f	404	/* Applies to whole Drawing->width */
4c69e0cc	405	void drawing_insert_square(Drawing_t *Drawing,
5f16133f	406	guint y,
	407	guint height)
	408	{
	409	GdkRectangle update_rect;
	410
	411	/* Allocate a new pixmap with new height */
	412	GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
	413	Drawing->width,
	414	Drawing->height + height,
	415	-1);
	416
	417	/* Copy the high region */
	418	gdk_draw_drawable (Pixmap,
	419	Drawing->Drawing_Area_V->style->black_gc,
	420	Drawing->Pixmap,
	421	0, 0,
	422	0, 0,
	423	Drawing->width, y);
	424
	425
	426
	427
	428	/* add an empty square */
	429	gdk_draw_rectangle (Pixmap,
1ab3d149	430	Drawing->Drawing_Area_V->style->black_gc,
5f16133f	431	TRUE,
	432	0, y,
	433	Drawing->width, // do not overlap
	434	height);
	435
	436
	437
	438	/* copy the bottom of the region */
	439	gdk_draw_drawable (Pixmap,
	440	Drawing->Drawing_Area_V->style->black_gc,
	441	Drawing->Pixmap,
	442	0, y,
	443	0, y + height,
	444	Drawing->width, Drawing->height - y);
	445
	446
	447
	448
	449	if (Drawing->Pixmap)
	450	gdk_pixmap_unref(Drawing->Pixmap);
	451
	452	Drawing->Pixmap = Pixmap;
	453
	454	Drawing->height+=height;
	455
	456	/* Rectangle to update, from new Drawing dimensions */
	457	update_rect.x = 0 ;
	458	update_rect.y = y ;
	459	update_rect.width = Drawing->width;
	460	update_rect.height = Drawing->height - y ;
	461	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
	462	}
	463
	464
	465	/* Remove a square corresponding to a removed process in the list */
4c69e0cc	466	void drawing_remove_square(Drawing_t *Drawing,
5f16133f	467	guint y,
	468	guint height)
	469	{
	470	GdkRectangle update_rect;
	471
	472	/* Allocate a new pixmap with new height */
	473	GdkPixmap *Pixmap = gdk_pixmap_new(
	474	Drawing->Drawing_Area_V->window,
	475	Drawing->width,
	476	Drawing->height - height,
	477	-1);
	478
	479	/* Copy the high region */
	480	gdk_draw_drawable (Pixmap,
	481	Drawing->Drawing_Area_V->style->black_gc,
	482	Drawing->Pixmap,
	483	0, 0,
	484	0, 0,
	485	Drawing->width, y);
	486
	487
	488
	489	/* Copy up the bottom of the region */
	490	gdk_draw_drawable (Pixmap,
	491	Drawing->Drawing_Area_V->style->black_gc,
	492	Drawing->Pixmap,
	493	0, y + height,
	494	0, y,
	495	Drawing->width, Drawing->height - y - height);
	496
	497
	498	if (Drawing->Pixmap)
	499	gdk_pixmap_unref(Drawing->Pixmap);
	500
	501	Drawing->Pixmap = Pixmap;
	502
	503	Drawing->height-=height;
	504
	505	/* Rectangle to update, from new Drawing dimensions */
	506	update_rect.x = 0 ;
	507	update_rect.y = y ;
	508	update_rect.width = Drawing->width;
	509	update_rect.height = Drawing->height - y ;
	510	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
	511	}
189a5d08	512
189a5d08	513