ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.c

   1
   2 #include <gtk/gtk.h>
   3 #include <gdk/gdk.h>
   4
   5 #include <lttv/processTrace.h>
   6 #include <lttv/gtkTraceSet.h>
   7 #include <lttv/hook.h>
   8
   9 #include "Drawing.h"
  10 #include "CFV.h"
  11 #include "CFV-private.h"
  12 #include "Event_Hooks.h"
  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
  18 /*****************************************************************************
  19  *                              Drawing functions                            *
  20  *****************************************************************************/
  21
  22 //FIXME Colors will need to be dynamic. Graphic context part not done so far.
  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
  44 /* Function responsible for updating the exposed area.
  45  * It must call processTrace() to ask for this update.
  46  */
  47 void drawing_data_request(Drawing_t *Drawing,
  48                         GdkPixmap **Pixmap,
  49                         gint x, gint y,
  50                   gint width,
  51                         gint height)
  52 {
  53   if(width < 0) return ;
  54   if(height < 0) return ;
  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         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
  73         convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x,
  74                                 &control_flow_data->Time_Window.start_time,
  75                                 &window_end,
  76                                 &start);
  77
  78         convert_pixels_to_time(Drawing->Drawing_Area_V->allocation.width, x + width,
  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
  86   gdk_draw_rectangle (*Pixmap,
  87                       Drawing->Drawing_Area_V->style->white_gc,
  88                       TRUE,
  89                       x, y,
  90                       width,    // do not overlap
  91                       height);
  92
  93   //send_test_process(
  94         //guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
  95         //Drawing);
  96   //send_test_drawing(
  97         //guicontrolflow_get_process_list(Drawing->Control_Flow_Data),
  98         //Drawing, *Pixmap, x, y, width, height);
  99
 100         // Let's call processTrace() !!
 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
 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
 112         LttvHooks *event = lttv_hooks_new();
 113         state_add_event_hooks_api(control_flow_data->Parent_Window);
 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
 124         state_remove_event_hooks_api(control_flow_data->Parent_Window);
 125         lttv_hooks_destroy(event);
 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)
 135 {
 136   Drawing_t *Drawing = (Drawing_t*)user_data;
 137
 138   /* New Pixmap, size of the configure event */
 139   GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
 140                           widget->allocation.width,
 141                           widget->allocation.height,
 142                           -1);
 143
 144   g_critical("drawing configure event");
 145
 146   /* If no old Pixmap present */
 147   if(Drawing->Pixmap == NULL)
 148   {
 149         Drawing->Pixmap = gdk_pixmap_new(
 150                 widget->window,
 151                 widget->allocation.width,
 152                 widget->allocation.height,
 153                 //ProcessList_get_height
 154                 // (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)),
 155                 -1);
 156         Drawing->width = widget->allocation.width;
 157         Drawing->height = widget->allocation.height;
 158 g_critical("init data");
 159         /* Initial data request */
 160         drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
 161                         widget->allocation.width,
 162                         widget->allocation.height);
 163
 164   }
 165 //  /* Draw empty background */
 166 //  gdk_draw_rectangle (Pixmap,
 167 //                    widget->style->black_gc,
 168 //                    TRUE,
 169 //                    0, 0,
 170 //                    widget->allocation.width,
 171 //                    widget->allocation.height);
 172
 173   /* Copy old data to new pixmap */
 174   gdk_draw_drawable (Pixmap,
 175                   widget->style->white_gc,
 176                   Drawing->Pixmap,
 177                   0, 0,
 178                   0, 0,
 179                   -1, -1);
 180
 181   if (Drawing->Pixmap)
 182     gdk_pixmap_unref(Drawing->Pixmap);
 183
 184   Drawing->Pixmap = Pixmap;
 185
 186    /* Request data for missing space */
 187 g_critical("missing data");
 188    drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
 189                         widget->allocation.width - Drawing->width,
 190                         widget->allocation.height);
 191    drawing_data_request(Drawing, &Pixmap, 0, Drawing->height,
 192                    Drawing->width,
 193                    widget->allocation.height - Drawing->height);
 194
 195 //   gdk_draw_rectangle (Pixmap,
 196 //                    widget->style->white_gc,
 197 //                    TRUE,
 198 //                    Drawing->width, 0,
 199 //                    widget->allocation.width -
 200 //                                      Drawing->width,
 201 //                    widget->allocation.height);
 202
 203 //    gdk_draw_rectangle (Pixmap,
 204 //                    widget->style->white_gc,
 205 //                    TRUE,
 206 //                    0, Drawing->height,
 207 //                    Drawing->width,   // do not overlap
 208 //                    widget->allocation.height -
 209 //                                      Drawing->height);
 210
 211
 212
 213   Drawing->width = widget->allocation.width;
 214   Drawing->height = widget->allocation.height;
 215
 216   return TRUE;
 217 }
 218
 219
 220 /* Redraw the screen from the backing pixmap */
 221 static gboolean
 222 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
 223 {
 224   Drawing_t *Drawing = (Drawing_t*)user_data;
 225   g_critical("drawing expose event");
 226
 227   gdk_draw_pixmap(widget->window,
 228                   widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
 229                   Drawing->Pixmap,
 230                   event->area.x, event->area.y,
 231                   event->area.x, event->area.y,
 232                   event->area.width, event->area.height);
 233
 234   return FALSE;
 235 }
 236
 237 Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
 238 {
 239         Drawing_t *Drawing = g_new(Drawing_t, 1);
 240
 241         Drawing->Drawing_Area_V = gtk_drawing_area_new ();
 242         Drawing->Control_Flow_Data = Control_Flow_Data;
 243
 244         //gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
 245         g_object_set_data_full(
 246                         G_OBJECT(Drawing->Drawing_Area_V),
 247                         "Link_Drawing_Data",
 248                         Drawing,
 249                         (GDestroyNotify)drawing_destroy);
 250
 251         //gtk_widget_modify_bg( Drawing->Drawing_Area_V,
 252         //                      GTK_STATE_NORMAL,
 253         //                      &CF_Colors[BLACK]);
 254
 255         //gdk_window_get_geometry(Drawing->Drawing_Area_V->window,
 256         //              NULL, NULL,
 257         //              &(Drawing->width),
 258         //              &(Drawing->height),
 259         //              -1);
 260
 261         //Drawing->Pixmap = gdk_pixmap_new(
 262         //              Drawing->Drawing_Area_V->window,
 263         //              Drawing->width,
 264         //              Drawing->height,
 265         //              Drawing->depth);
 266
 267         Drawing->Pixmap = NULL;
 268
 269 //      Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
 270 //                        Drawing->Drawing_Area_V->allocation.width,
 271 //                        Drawing->Drawing_Area_V->allocation.height,
 272 //                        -1);
 273
 274         g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
 275                                 "configure_event",
 276                                 G_CALLBACK (configure_event),
 277                                 (gpointer)Drawing);
 278
 279         g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
 280                                 "expose_event",
 281                                 G_CALLBACK (expose_event),
 282                                 (gpointer)Drawing);
 283
 284         return Drawing;
 285 }
 286
 287 void drawing_destroy(Drawing_t *Drawing)
 288 {
 289
 290         // Do not unref here, Drawing_t destroyed by it's widget.
 291         //g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
 292
 293         g_free(Drawing);
 294 }
 295
 296 GtkWidget *drawing_get_widget(Drawing_t *Drawing)
 297 {
 298         return Drawing->Drawing_Area_V;
 299 }
 300
 301 /* convert_pixels_to_time
 302  *
 303  * Convert from window pixel and time interval to an absolute time.
 304  */
 305 void convert_pixels_to_time(
 306                 gint width,
 307                 guint x,
 308                 LttTime *window_time_begin,
 309                 LttTime *window_time_end,
 310                 LttTime *time)
 311 {
 312         LttTime window_time_interval;
 313
 314         window_time_interval = ltt_time_sub(*window_time_end,
 315             *window_time_begin);
 316         *time = ltt_time_mul(window_time_interval, (x/(float)width));
 317         *time = ltt_time_add(*window_time_begin, *time);
 318 }
 319
 320
 321
 322 void convert_time_to_pixels(
 323                 LttTime window_time_begin,
 324                 LttTime window_time_end,
 325                 LttTime time,
 326                 int width,
 327                 guint *x)
 328 {
 329         LttTime window_time_interval;
 330         float interval_float, time_float;
 331
 332         window_time_interval = ltt_time_sub(window_time_end,window_time_begin);
 333
 334         time = ltt_time_sub(time, window_time_begin);
 335
 336         interval_float = ltt_time_to_double(window_time_interval);
 337         time_float = ltt_time_to_double(time);
 338
 339         *x = (guint)(time_float/interval_float * width);
 340
 341 }
 342
 343 void drawing_refresh (  Drawing_t *Drawing,
 344                         guint x, guint y,
 345                         guint width, guint height)
 346 {
 347         g_info("Drawing.c : drawing_refresh %u, %u, %u, %u", x, y, width, height);
 348         GdkRectangle update_rect;
 349
 350         gdk_draw_drawable(
 351                 Drawing->Drawing_Area_V->window,
 352                 Drawing->Drawing_Area_V->
 353                  style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)],
 354                 GDK_DRAWABLE(Drawing->Pixmap),
 355                 x, y,
 356                 x, y,
 357                 width, height);
 358
 359         update_rect.x = 0 ;
 360         update_rect.y = 0 ;
 361         update_rect.width = Drawing->width;
 362         update_rect.height = Drawing->height ;
 363         gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 364
 365 }
 366
 367
 368 void drawing_draw_line( Drawing_t *Drawing,
 369                         GdkPixmap *Pixmap,
 370                         guint x1, guint y1,
 371                         guint x2, guint y2,
 372                         GdkGC *GC)
 373 {
 374         gdk_draw_line (Pixmap,
 375                         GC,
 376                         x1, y1, x2, y2);
 377 }
 378
 379
 380
 381
 382 void drawing_resize(Drawing_t *Drawing, guint h, guint w)
 383 {
 384         Drawing->height = h ;
 385         Drawing->width = w ;
 386
 387         gtk_widget_set_size_request (   Drawing->Drawing_Area_V,
 388                                         Drawing->width,
 389                                         Drawing->height);
 390
 391
 392 }
 393
 394
 395 /* Insert a square corresponding to a new process in the list */
 396 /* Applies to whole Drawing->width */
 397 void drawing_insert_square(Drawing_t *Drawing,
 398                                 guint y,
 399                                 guint height)
 400 {
 401         GdkRectangle update_rect;
 402
 403         /* Allocate a new pixmap with new height */
 404         GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
 405                           Drawing->width,
 406                           Drawing->height + height,
 407                           -1);
 408
 409         /* Copy the high region */
 410         gdk_draw_drawable (Pixmap,
 411                 Drawing->Drawing_Area_V->style->black_gc,
 412                 Drawing->Pixmap,
 413                 0, 0,
 414                 0, 0,
 415                 Drawing->width, y);
 416
 417
 418
 419
 420         /* add an empty square */
 421         gdk_draw_rectangle (Pixmap,
 422                 Drawing->Drawing_Area_V->style->black_gc,
 423                 TRUE,
 424                 0, y,
 425                 Drawing->width, // do not overlap
 426                 height);
 427
 428
 429
 430         /* copy the bottom of the region */
 431         gdk_draw_drawable (Pixmap,
 432                 Drawing->Drawing_Area_V->style->black_gc,
 433                 Drawing->Pixmap,
 434                 0, y,
 435                 0, y + height,
 436                 Drawing->width, Drawing->height - y);
 437
 438
 439
 440
 441         if (Drawing->Pixmap)
 442                 gdk_pixmap_unref(Drawing->Pixmap);
 443
 444         Drawing->Pixmap = Pixmap;
 445
 446         Drawing->height+=height;
 447
 448         /* Rectangle to update, from new Drawing dimensions */
 449         update_rect.x = 0 ;
 450         update_rect.y = y ;
 451         update_rect.width = Drawing->width;
 452         update_rect.height = Drawing->height - y ;
 453         gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 454 }
 455
 456
 457 /* Remove a square corresponding to a removed process in the list */
 458 void drawing_remove_square(Drawing_t *Drawing,
 459                                 guint y,
 460                                 guint height)
 461 {
 462         GdkRectangle update_rect;
 463
 464         /* Allocate a new pixmap with new height */
 465         GdkPixmap *Pixmap = gdk_pixmap_new(
 466                         Drawing->Drawing_Area_V->window,
 467                         Drawing->width,
 468                         Drawing->height - height,
 469                         -1);
 470
 471         /* Copy the high region */
 472         gdk_draw_drawable (Pixmap,
 473                 Drawing->Drawing_Area_V->style->black_gc,
 474                 Drawing->Pixmap,
 475                 0, 0,
 476                 0, 0,
 477                 Drawing->width, y);
 478
 479
 480
 481         /* Copy up the bottom of the region */
 482         gdk_draw_drawable (Pixmap,
 483                 Drawing->Drawing_Area_V->style->black_gc,
 484                 Drawing->Pixmap,
 485                 0, y + height,
 486                 0, y,
 487                 Drawing->width, Drawing->height - y - height);
 488
 489
 490         if (Drawing->Pixmap)
 491                 gdk_pixmap_unref(Drawing->Pixmap);
 492
 493         Drawing->Pixmap = Pixmap;
 494
 495         Drawing->height-=height;
 496
 497         /* Rectangle to update, from new Drawing dimensions */
 498         update_rect.x = 0 ;
 499         update_rect.y = y ;
 500         update_rect.width = Drawing->width;
 501         update_rect.height = Drawing->height - y ;
 502         gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 503 }
 504
 505