[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);

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

	convert_pixels_to_time(Drawing, 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;

	LttvHooks *event = lttv_hooks_new();
	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);

	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;

  /* 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);

   /* 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);
   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);

//    gdk_draw_rectangle (Pixmap,
//		      widget->style->white_gc,
//		      TRUE,
//		      0, Drawing->height,
//		      Drawing->width,	// do not overlap
//		      widget->allocation.height -
//		      			Drawing->height);
 
  
  if (Drawing->Pixmap)
    gdk_pixmap_unref(Drawing->Pixmap);

  Drawing->Pixmap = Pixmap;
  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(
		Drawing_t *Drawing,
		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)Drawing->width));
	*time = ltt_time_add(*window_time_begin, *time);
}


void convert_time_to_pixels(
		LttTime window_time_begin,
		LttTime window_time_end,
		LttTime time,
		Drawing_t *Drawing,
		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 * Drawing->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
	65	convert_pixels_to_time(Drawing, x,
	66	&control_flow_data->Time_Window.start_time,
	67	&window_end,
	68	&start);
	69
	70	convert_pixels_to_time(Drawing, x + width,
	71	&control_flow_data->Time_Window.start_time,
	72	&window_end,
	73	&end);
	74
	75	LttvTracesetContext * tsc =
	76	get_traceset_context(control_flow_data->Parent_Window);
	77
f7afe191	78	gdk_draw_rectangle (*Pixmap,
847b479d	79	Drawing->Drawing_Area_V->style->white_gc,
	80	TRUE,
	81	x, y,
	82	width, // do not overlap
	83	height);
	84
f7afe191	85	send_test_process(
4c69e0cc	86	guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
f7afe191	87	Drawing);
f66eba62	88	//send_test_drawing(
	89	//guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
	90	//Drawing, *Pixmap, x, y, width, height);
831a876d	91
8d088fb2	92	// Let's call processTrace() !!
f66eba62	93	EventRequest event_request; // Variable freed at the end of the function.
	94	event_request.Control_Flow_Data = control_flow_data;
	95	event_request.time_begin = start;
	96	event_request.time_end = end;
	97
	98	LttvHooks *event = lttv_hooks_new();
	99	lttv_hooks_add(event, draw_event_hook, &event_request);
	100
	101	lttv_process_traceset_seek_time(tsc, start);
	102	lttv_traceset_context_add_hooks(tsc,
	103	NULL, NULL, NULL, NULL, NULL, NULL,
	104	NULL, NULL, NULL, event, NULL);
	105	lttv_process_traceset(tsc, end, G_MAXULONG);
	106	lttv_traceset_context_remove_hooks(tsc, NULL, NULL, NULL, NULL, NULL, NULL,
	107	NULL, NULL, NULL, event, NULL);
	108
	109	lttv_hooks_destroy(event);
847b479d	110	}
	111
	112	/* Callbacks */
	113
	114
	115	/* Create a new backing pixmap of the appropriate size */
	116	static gboolean
	117	configure_event( GtkWidget widget, GdkEventConfigure event,
	118	gpointer user_data)
f0d936c0	119	{
847b479d	120	Drawing_t Drawing = (Drawing_t)user_data;
f0d936c0	121
f7afe191	122	/* New Pixmap, size of the configure event */
847b479d	123	GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
	124	widget->allocation.width,
	125	widget->allocation.height,
	126	-1);
	127
f7afe191	128	g_critical("drawing configure event");
	129
	130	/* If no old Pixmap present */
847b479d	131	if(Drawing->Pixmap == NULL)
847b479d	132	{
f7afe191	133	Drawing->Pixmap = gdk_pixmap_new(
	134	widget->window,
	135	widget->allocation.width,
	136	widget->allocation.height,
	137	//ProcessList_get_height
	138	// (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)),
	139	-1);
847b479d	140	Drawing->width = widget->allocation.width;
847b479d	141	Drawing->height = widget->allocation.height;
f7afe191	142	g_critical("init data");
847b479d	143	/* Initial data request */
4c69e0cc	144	drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
847b479d	145	widget->allocation.width,
	146	widget->allocation.height);
	147
	148	}
	149	// /* Draw empty background */
	150	// gdk_draw_rectangle (Pixmap,
	151	// widget->style->black_gc,
	152	// TRUE,
	153	// 0, 0,
	154	// widget->allocation.width,
	155	// widget->allocation.height);
	156
	157	/* Copy old data to new pixmap */
	158	gdk_draw_drawable (Pixmap,
	159	widget->style->white_gc,
	160	Drawing->Pixmap,
	161	0, 0,
	162	0, 0,
	163	-1, -1);
	164
	165	/* Request data for missing space */
f7afe191	166	g_critical("missing data");
4c69e0cc	167	drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
847b479d	168	widget->allocation.width - Drawing->width,
847b479d	169	widget->allocation.height);
4c69e0cc	170	drawing_data_request(Drawing, &Pixmap, 0, Drawing->height,
847b479d	171	Drawing->width,
	172	widget->allocation.height - Drawing->height);
	173
	174	// gdk_draw_rectangle (Pixmap,
	175	// widget->style->white_gc,
	176	// TRUE,
	177	// Drawing->width, 0,
	178	// widget->allocation.width -
	179	// Drawing->width,
	180	// widget->allocation.height);
	181
	182	// gdk_draw_rectangle (Pixmap,
	183	// widget->style->white_gc,
	184	// TRUE,
	185	// 0, Drawing->height,
	186	// Drawing->width, // do not overlap
	187	// widget->allocation.height -
	188	// Drawing->height);
	189
847b479d	190
847b479d	191
	192	if (Drawing->Pixmap)
	193	gdk_pixmap_unref(Drawing->Pixmap);
	194
	195	Drawing->Pixmap = Pixmap;
	196	Drawing->width = widget->allocation.width;
	197	Drawing->height = widget->allocation.height;
	198
	199	return TRUE;
	200	}
	201
	202
	203	/* Redraw the screen from the backing pixmap */
	204	static gboolean
	205	expose_event( GtkWidget widget, GdkEventExpose event, gpointer user_data )
	206	{
	207	Drawing_t Drawing = (Drawing_t)user_data;
	208	g_critical("drawing expose event");
	209
	210	gdk_draw_pixmap(widget->window,
	211	widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
	212	Drawing->Pixmap,
	213	event->area.x, event->area.y,
	214	event->area.x, event->area.y,
	215	event->area.width, event->area.height);
	216
	217	return FALSE;
	218	}
	219
4c69e0cc	220	Drawing_t drawing_construct(ControlFlowData Control_Flow_Data)
847b479d	221	{
76a67e8a	222	Drawing_t *Drawing = g_new(Drawing_t, 1);
f0d936c0	223
f0d936c0	224	Drawing->Drawing_Area_V = gtk_drawing_area_new ();
f7afe191	225	Drawing->Control_Flow_Data = Control_Flow_Data;
f7afe191	226
847b479d	227	//gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
f0d936c0	228	g_object_set_data_full(
f0d936c0	229	G_OBJECT(Drawing->Drawing_Area_V),
76a67e8a	230	"Link_Drawing_Data",
f0d936c0	231	Drawing,
3cff8cc1	232	(GDestroyNotify)drawing_destroy);
f0d936c0	233
847b479d	234	//gtk_widget_modify_bg( Drawing->Drawing_Area_V,
	235	// GTK_STATE_NORMAL,
	236	// &CF_Colors[BLACK]);
	237
	238	//gdk_window_get_geometry(Drawing->Drawing_Area_V->window,
	239	// NULL, NULL,
	240	// &(Drawing->width),
	241	// &(Drawing->height),
	242	// -1);
	243
	244	//Drawing->Pixmap = gdk_pixmap_new(
	245	// Drawing->Drawing_Area_V->window,
	246	// Drawing->width,
	247	// Drawing->height,
	248	// Drawing->depth);
	249
	250	Drawing->Pixmap = NULL;
	251
	252	// Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
	253	// Drawing->Drawing_Area_V->allocation.width,
	254	// Drawing->Drawing_Area_V->allocation.height,
	255	// -1);
	256
847b479d	257	g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
	258	"configure_event",
	259	G_CALLBACK (configure_event),
	260	(gpointer)Drawing);
	261
	262	g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
	263	"expose_event",
	264	G_CALLBACK (expose_event),
	265	(gpointer)Drawing);
	266
f0d936c0	267	return Drawing;
	268	}
	269
4c69e0cc	270	void drawing_destroy(Drawing_t *Drawing)
f0d936c0	271	{
f0d936c0	272
76a67e8a	273	// Do not unref here, Drawing_t destroyed by it's widget.
76a67e8a	274	//g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
f0d936c0	275
	276	g_free(Drawing);
	277	}
	278
4c69e0cc	279	GtkWidget drawing_get_widget(Drawing_t Drawing)
76a67e8a	280	{
	281	return Drawing->Drawing_Area_V;
	282	}
	283
f66eba62	284	/* convert_pixels_to_time
f0d936c0	285	*
f66eba62	286	* Convert from window pixel and time interval to an absolute time.
f0d936c0	287	*/
fa2c4dbe	288	void convert_pixels_to_time(
	289	Drawing_t *Drawing,
	290	guint x,
	291	LttTime *window_time_begin,
	292	LttTime *window_time_end,
76a67e8a	293	LttTime *time)
f0d936c0	294	{
fa2c4dbe	295	LttTime window_time_interval;
f0d936c0	296
308711e5	297	window_time_interval = ltt_time_sub(*window_time_end,
	298	*window_time_begin);
	299	*time = ltt_time_mul(window_time_interval, (x/(float)Drawing->width));
	300	time = ltt_time_add(window_time_begin, *time);
fa2c4dbe	301	}
	302
	303
	304
	305	void convert_time_to_pixels(
	306	LttTime window_time_begin,
	307	LttTime window_time_end,
	308	LttTime time,
	309	Drawing_t *Drawing,
76a67e8a	310	guint *x)
fa2c4dbe	311	{
fa2c4dbe	312	LttTime window_time_interval;
76a67e8a	313	float interval_float, time_float;
fa2c4dbe	314
308711e5	315	window_time_interval = ltt_time_sub(window_time_end,window_time_begin);
fa2c4dbe	316
308711e5	317	time = ltt_time_sub(time, window_time_begin);
fa2c4dbe	318
308711e5	319	interval_float = ltt_time_to_double(window_time_interval);
308711e5	320	time_float = ltt_time_to_double(time);
76a67e8a	321
76a67e8a	322	x = (guint)(time_float/interval_float Drawing->width);
f0d936c0	323
	324	}
	325
4c69e0cc	326	void drawing_refresh ( Drawing_t *Drawing,
847b479d	327	guint x, guint y,
	328	guint width, guint height)
	329	{
6d5ed1c3	330	g_info("Drawing.c : drawing_refresh %u, %u, %u, %u", x, y, width, height);
f7afe191	331	GdkRectangle update_rect;
f7afe191	332
847b479d	333	gdk_draw_drawable(
	334	Drawing->Drawing_Area_V->window,
	335	Drawing->Drawing_Area_V->
	336	style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)],
	337	GDK_DRAWABLE(Drawing->Pixmap),
	338	x, y,
	339	x, y,
	340	width, height);
f7afe191	341
	342	update_rect.x = 0 ;
	343	update_rect.y = 0 ;
	344	update_rect.width = Drawing->width;
	345	update_rect.height = Drawing->height ;
	346	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
	347
847b479d	348	}
	349
	350
4c69e0cc	351	void drawing_draw_line( Drawing_t *Drawing,
847b479d	352	GdkPixmap *Pixmap,
	353	guint x1, guint y1,
	354	guint x2, guint y2,
	355	GdkGC *GC)
	356	{
	357	gdk_draw_line (Pixmap,
	358	GC,
	359	x1, y1, x2, y2);
	360	}
	361
	362
fa2c4dbe	363
fa2c4dbe	364
4c69e0cc	365	void drawing_resize(Drawing_t *Drawing, guint h, guint w)
f0d936c0	366	{
f0d936c0	367	Drawing->height = h ;
76a67e8a	368	Drawing->width = w ;
f0d936c0	369
76a67e8a	370	gtk_widget_set_size_request ( Drawing->Drawing_Area_V,
76a67e8a	371	Drawing->width,
f0d936c0	372	Drawing->height);
	373
	374
	375	}
847b479d	376
847b479d	377
5f16133f	378	/* Insert a square corresponding to a new process in the list */
5f16133f	379	/* Applies to whole Drawing->width */
4c69e0cc	380	void drawing_insert_square(Drawing_t *Drawing,
5f16133f	381	guint y,
	382	guint height)
	383	{
	384	GdkRectangle update_rect;
	385
	386	/* Allocate a new pixmap with new height */
	387	GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
	388	Drawing->width,
	389	Drawing->height + height,
	390	-1);
	391
	392	/* Copy the high region */
	393	gdk_draw_drawable (Pixmap,
	394	Drawing->Drawing_Area_V->style->black_gc,
	395	Drawing->Pixmap,
	396	0, 0,
	397	0, 0,
	398	Drawing->width, y);
	399
	400
	401
	402
	403	/* add an empty square */
	404	gdk_draw_rectangle (Pixmap,
1ab3d149	405	Drawing->Drawing_Area_V->style->black_gc,
5f16133f	406	TRUE,
	407	0, y,
	408	Drawing->width, // do not overlap
	409	height);
	410
	411
	412
	413	/* copy the bottom of the region */
	414	gdk_draw_drawable (Pixmap,
	415	Drawing->Drawing_Area_V->style->black_gc,
	416	Drawing->Pixmap,
	417	0, y,
	418	0, y + height,
	419	Drawing->width, Drawing->height - y);
	420
	421
	422
	423
	424	if (Drawing->Pixmap)
	425	gdk_pixmap_unref(Drawing->Pixmap);
	426
	427	Drawing->Pixmap = Pixmap;
	428
	429	Drawing->height+=height;
	430
	431	/* Rectangle to update, from new Drawing dimensions */
	432	update_rect.x = 0 ;
	433	update_rect.y = y ;
	434	update_rect.width = Drawing->width;
	435	update_rect.height = Drawing->height - y ;
	436	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
	437	}
	438
	439
	440	/* Remove a square corresponding to a removed process in the list */
4c69e0cc	441	void drawing_remove_square(Drawing_t *Drawing,
5f16133f	442	guint y,
	443	guint height)
	444	{
	445	GdkRectangle update_rect;
	446
	447	/* Allocate a new pixmap with new height */
	448	GdkPixmap *Pixmap = gdk_pixmap_new(
	449	Drawing->Drawing_Area_V->window,
	450	Drawing->width,
	451	Drawing->height - height,
	452	-1);
	453
	454	/* Copy the high region */
	455	gdk_draw_drawable (Pixmap,
	456	Drawing->Drawing_Area_V->style->black_gc,
	457	Drawing->Pixmap,
	458	0, 0,
	459	0, 0,
	460	Drawing->width, y);
	461
	462
	463
	464	/* Copy up the bottom of the region */
	465	gdk_draw_drawable (Pixmap,
	466	Drawing->Drawing_Area_V->style->black_gc,
	467	Drawing->Pixmap,
	468	0, y + height,
	469	0, y,
	470	Drawing->width, Drawing->height - y - height);
	471
	472
	473	if (Drawing->Pixmap)
	474	gdk_pixmap_unref(Drawing->Pixmap);
	475
	476	Drawing->Pixmap = Pixmap;
	477
	478	Drawing->height-=height;
	479
	480	/* Rectangle to update, from new Drawing dimensions */
	481	update_rect.x = 0 ;
	482	update_rect.y = y ;
	483	update_rect.width = Drawing->width;
	484	update_rect.height = Drawing->height - y ;
	485	gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
	486	}
189a5d08	487
189a5d08	488