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(width, x,
  74                                 &control_flow_data->Time_Window.start_time,
  75                                 &window_end,
  76                                 &start);
  77
  78         convert_pixels_to_time(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         lttv_hooks_add(event, draw_event_hook, &event_request);
 114
 115         lttv_process_traceset_seek_time(tsc, start);
 116         lttv_traceset_context_add_hooks(tsc,
 117                         NULL, NULL, NULL, NULL, NULL, NULL,
 118                         NULL, NULL, NULL, event, NULL);
 119         lttv_process_traceset(tsc, end, G_MAXULONG);
 120         lttv_traceset_context_remove_hooks(tsc, NULL, NULL, NULL, NULL, NULL, NULL,
 121                         NULL, NULL, NULL, event, NULL);
 122
 123         lttv_hooks_destroy(event);
 124 }
 125
 126 /* Callbacks */
 127
 128
 129 /* Create a new backing pixmap of the appropriate size */
 130 static gboolean
 131 configure_event( GtkWidget *widget, GdkEventConfigure *event,
 132                 gpointer user_data)
 133 {
 134   Drawing_t *Drawing = (Drawing_t*)user_data;
 135
 136   /* New Pixmap, size of the configure event */
 137   GdkPixmap *Pixmap = gdk_pixmap_new(widget->window,
 138                           widget->allocation.width,
 139                           widget->allocation.height,
 140                           -1);
 141
 142   g_critical("drawing configure event");
 143
 144   /* If no old Pixmap present */
 145   if(Drawing->Pixmap == NULL)
 146   {
 147         Drawing->Pixmap = gdk_pixmap_new(
 148                 widget->window,
 149                 widget->allocation.width,
 150                 widget->allocation.height,
 151                 //ProcessList_get_height
 152                 // (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)),
 153                 -1);
 154         Drawing->width = widget->allocation.width;
 155         Drawing->height = widget->allocation.height;
 156 g_critical("init data");
 157         /* Initial data request */
 158         drawing_data_request(Drawing, &Drawing->Pixmap, 0, 0,
 159                         widget->allocation.width,
 160                         widget->allocation.height);
 161
 162   }
 163 //  /* Draw empty background */
 164 //  gdk_draw_rectangle (Pixmap,
 165 //                    widget->style->black_gc,
 166 //                    TRUE,
 167 //                    0, 0,
 168 //                    widget->allocation.width,
 169 //                    widget->allocation.height);
 170
 171   /* Copy old data to new pixmap */
 172   gdk_draw_drawable (Pixmap,
 173                   widget->style->white_gc,
 174                   Drawing->Pixmap,
 175                   0, 0,
 176                   0, 0,
 177                   -1, -1);
 178
 179    /* Request data for missing space */
 180 g_critical("missing data");
 181    drawing_data_request(Drawing, &Pixmap, Drawing->width, 0,
 182                         widget->allocation.width - Drawing->width,
 183                         widget->allocation.height);
 184    drawing_data_request(Drawing, &Pixmap, 0, Drawing->height,
 185                    Drawing->width,
 186                    widget->allocation.height - Drawing->height);
 187
 188 //   gdk_draw_rectangle (Pixmap,
 189 //                    widget->style->white_gc,
 190 //                    TRUE,
 191 //                    Drawing->width, 0,
 192 //                    widget->allocation.width -
 193 //                                      Drawing->width,
 194 //                    widget->allocation.height);
 195
 196 //    gdk_draw_rectangle (Pixmap,
 197 //                    widget->style->white_gc,
 198 //                    TRUE,
 199 //                    0, Drawing->height,
 200 //                    Drawing->width,   // do not overlap
 201 //                    widget->allocation.height -
 202 //                                      Drawing->height);
 203
 204
 205
 206   if (Drawing->Pixmap)
 207     gdk_pixmap_unref(Drawing->Pixmap);
 208
 209   Drawing->Pixmap = Pixmap;
 210   Drawing->width = widget->allocation.width;
 211   Drawing->height = widget->allocation.height;
 212
 213   return TRUE;
 214 }
 215
 216
 217 /* Redraw the screen from the backing pixmap */
 218 static gboolean
 219 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
 220 {
 221   Drawing_t *Drawing = (Drawing_t*)user_data;
 222   g_critical("drawing expose event");
 223
 224   gdk_draw_pixmap(widget->window,
 225                   widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
 226                   Drawing->Pixmap,
 227                   event->area.x, event->area.y,
 228                   event->area.x, event->area.y,
 229                   event->area.width, event->area.height);
 230
 231   return FALSE;
 232 }
 233
 234 Drawing_t *drawing_construct(ControlFlowData *Control_Flow_Data)
 235 {
 236         Drawing_t *Drawing = g_new(Drawing_t, 1);
 237
 238         Drawing->Drawing_Area_V = gtk_drawing_area_new ();
 239         Drawing->Control_Flow_Data = Control_Flow_Data;
 240
 241         //gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50);
 242         g_object_set_data_full(
 243                         G_OBJECT(Drawing->Drawing_Area_V),
 244                         "Link_Drawing_Data",
 245                         Drawing,
 246                         (GDestroyNotify)drawing_destroy);
 247
 248         //gtk_widget_modify_bg( Drawing->Drawing_Area_V,
 249         //                      GTK_STATE_NORMAL,
 250         //                      &CF_Colors[BLACK]);
 251
 252         //gdk_window_get_geometry(Drawing->Drawing_Area_V->window,
 253         //              NULL, NULL,
 254         //              &(Drawing->width),
 255         //              &(Drawing->height),
 256         //              -1);
 257
 258         //Drawing->Pixmap = gdk_pixmap_new(
 259         //              Drawing->Drawing_Area_V->window,
 260         //              Drawing->width,
 261         //              Drawing->height,
 262         //              Drawing->depth);
 263
 264         Drawing->Pixmap = NULL;
 265
 266 //      Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
 267 //                        Drawing->Drawing_Area_V->allocation.width,
 268 //                        Drawing->Drawing_Area_V->allocation.height,
 269 //                        -1);
 270
 271         g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
 272                                 "configure_event",
 273                                 G_CALLBACK (configure_event),
 274                                 (gpointer)Drawing);
 275
 276         g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V),
 277                                 "expose_event",
 278                                 G_CALLBACK (expose_event),
 279                                 (gpointer)Drawing);
 280
 281         return Drawing;
 282 }
 283
 284 void drawing_destroy(Drawing_t *Drawing)
 285 {
 286
 287         // Do not unref here, Drawing_t destroyed by it's widget.
 288         //g_object_unref( G_OBJECT(Drawing->Drawing_Area_V));
 289
 290         g_free(Drawing);
 291 }
 292
 293 GtkWidget *drawing_get_widget(Drawing_t *Drawing)
 294 {
 295         return Drawing->Drawing_Area_V;
 296 }
 297
 298 /* convert_pixels_to_time
 299  *
 300  * Convert from window pixel and time interval to an absolute time.
 301  */
 302 void convert_pixels_to_time(
 303                 gint width,
 304                 guint x,
 305                 LttTime *window_time_begin,
 306                 LttTime *window_time_end,
 307                 LttTime *time)
 308 {
 309         LttTime window_time_interval;
 310
 311         window_time_interval = ltt_time_sub(*window_time_end,
 312             *window_time_begin);
 313         *time = ltt_time_mul(window_time_interval, (x/(float)width));
 314         *time = ltt_time_add(*window_time_begin, *time);
 315 }
 316
 317
 318
 319 void convert_time_to_pixels(
 320                 LttTime window_time_begin,
 321                 LttTime window_time_end,
 322                 LttTime time,
 323                 int width,
 324                 guint *x)
 325 {
 326         LttTime window_time_interval;
 327         float interval_float, time_float;
 328
 329         window_time_interval = ltt_time_sub(window_time_end,window_time_begin);
 330
 331         time = ltt_time_sub(time, window_time_begin);
 332
 333         interval_float = ltt_time_to_double(window_time_interval);
 334         time_float = ltt_time_to_double(time);
 335
 336         *x = (guint)(time_float/interval_float * width);
 337
 338 }
 339
 340 void drawing_refresh (  Drawing_t *Drawing,
 341                         guint x, guint y,
 342                         guint width, guint height)
 343 {
 344         g_info("Drawing.c : drawing_refresh %u, %u, %u, %u", x, y, width, height);
 345         GdkRectangle update_rect;
 346
 347         gdk_draw_drawable(
 348                 Drawing->Drawing_Area_V->window,
 349                 Drawing->Drawing_Area_V->
 350                  style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)],
 351                 GDK_DRAWABLE(Drawing->Pixmap),
 352                 x, y,
 353                 x, y,
 354                 width, height);
 355
 356         update_rect.x = 0 ;
 357         update_rect.y = 0 ;
 358         update_rect.width = Drawing->width;
 359         update_rect.height = Drawing->height ;
 360         gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 361
 362 }
 363
 364
 365 void drawing_draw_line( Drawing_t *Drawing,
 366                         GdkPixmap *Pixmap,
 367                         guint x1, guint y1,
 368                         guint x2, guint y2,
 369                         GdkGC *GC)
 370 {
 371         gdk_draw_line (Pixmap,
 372                         GC,
 373                         x1, y1, x2, y2);
 374 }
 375
 376
 377
 378
 379 void drawing_resize(Drawing_t *Drawing, guint h, guint w)
 380 {
 381         Drawing->height = h ;
 382         Drawing->width = w ;
 383
 384         gtk_widget_set_size_request (   Drawing->Drawing_Area_V,
 385                                         Drawing->width,
 386                                         Drawing->height);
 387
 388
 389 }
 390
 391
 392 /* Insert a square corresponding to a new process in the list */
 393 /* Applies to whole Drawing->width */
 394 void drawing_insert_square(Drawing_t *Drawing,
 395                                 guint y,
 396                                 guint height)
 397 {
 398         GdkRectangle update_rect;
 399
 400         /* Allocate a new pixmap with new height */
 401         GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window,
 402                           Drawing->width,
 403                           Drawing->height + height,
 404                           -1);
 405
 406         /* Copy the high region */
 407         gdk_draw_drawable (Pixmap,
 408                 Drawing->Drawing_Area_V->style->black_gc,
 409                 Drawing->Pixmap,
 410                 0, 0,
 411                 0, 0,
 412                 Drawing->width, y);
 413
 414
 415
 416
 417         /* add an empty square */
 418         gdk_draw_rectangle (Pixmap,
 419                 Drawing->Drawing_Area_V->style->black_gc,
 420                 TRUE,
 421                 0, y,
 422                 Drawing->width, // do not overlap
 423                 height);
 424
 425
 426
 427         /* copy the bottom of the region */
 428         gdk_draw_drawable (Pixmap,
 429                 Drawing->Drawing_Area_V->style->black_gc,
 430                 Drawing->Pixmap,
 431                 0, y,
 432                 0, y + height,
 433                 Drawing->width, Drawing->height - y);
 434
 435
 436
 437
 438         if (Drawing->Pixmap)
 439                 gdk_pixmap_unref(Drawing->Pixmap);
 440
 441         Drawing->Pixmap = Pixmap;
 442
 443         Drawing->height+=height;
 444
 445         /* Rectangle to update, from new Drawing dimensions */
 446         update_rect.x = 0 ;
 447         update_rect.y = y ;
 448         update_rect.width = Drawing->width;
 449         update_rect.height = Drawing->height - y ;
 450         gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 451 }
 452
 453
 454 /* Remove a square corresponding to a removed process in the list */
 455 void drawing_remove_square(Drawing_t *Drawing,
 456                                 guint y,
 457                                 guint height)
 458 {
 459         GdkRectangle update_rect;
 460
 461         /* Allocate a new pixmap with new height */
 462         GdkPixmap *Pixmap = gdk_pixmap_new(
 463                         Drawing->Drawing_Area_V->window,
 464                         Drawing->width,
 465                         Drawing->height - height,
 466                         -1);
 467
 468         /* Copy the high region */
 469         gdk_draw_drawable (Pixmap,
 470                 Drawing->Drawing_Area_V->style->black_gc,
 471                 Drawing->Pixmap,
 472                 0, 0,
 473                 0, 0,
 474                 Drawing->width, y);
 475
 476
 477
 478         /* Copy up the bottom of the region */
 479         gdk_draw_drawable (Pixmap,
 480                 Drawing->Drawing_Area_V->style->black_gc,
 481                 Drawing->Pixmap,
 482                 0, y + height,
 483                 0, y,
 484                 Drawing->width, Drawing->height - y - height);
 485
 486
 487         if (Drawing->Pixmap)
 488                 gdk_pixmap_unref(Drawing->Pixmap);
 489
 490         Drawing->Pixmap = Pixmap;
 491
 492         Drawing->height-=height;
 493
 494         /* Rectangle to update, from new Drawing dimensions */
 495         update_rect.x = 0 ;
 496         update_rect.y = y ;
 497         update_rect.width = Drawing->width;
 498         update_rect.height = Drawing->height - y ;
 499         gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect);
 500 }
 501
 502