ltt/branches/poly/lttv/modules/gui/controlflow/drawing.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Mathieu Desnoyers
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #include <gtk/gtk.h>
  20 #include <gdk/gdk.h>
  21 #include <string.h>
  22
  23 #include <lttv/lttv.h>
  24 #include <lttv/tracecontext.h>
  25 #include <lttvwindow/lttvwindow.h>
  26 #include <lttv/state.h>
  27 #include <lttv/hook.h>
  28
  29 #include "drawing.h"
  30 #include "eventhooks.h"
  31 #include "cfv.h"
  32
  33 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
  34 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
  35
  36 //FIXME
  37 #define TRACE_NUMBER 0
  38
  39 #if 0 /* colors for two lines representation */
  40 GdkColor drawing_colors[NUM_COLORS] =
  41 { /* Pixel, R, G, B */
  42   { 0, 0, 0, 0 }, /* COL_BLACK */
  43   { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
  44   { 0, 0x0FFF, 0xFFFF, 0xFFFF }, /* COL_WAIT_FORK : pale blue */
  45   { 0, 0xFFFF, 0xFFFF, 0x0000 }, /* COL_WAIT_CPU : yellow */
  46   { 0, 0xFFFF, 0xA000, 0xFCFF }, /* COL_EXIT : pale magenta */
  47   { 0, 0xFFFF, 0x0000, 0xFFFF }, /* COL_ZOMBIE : purple */
  48   { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_WAIT : red */
  49   { 0, 0x0000, 0xFFFF, 0x0000 }, /* COL_RUN : green */
  50   { 0, 0x8800, 0xFFFF, 0x8A00 }, /* COL_USER_MODE : pale green */
  51   { 0, 0x09FF, 0x01FF, 0xFFFF }, /* COL_SYSCALL : blue */
  52   { 0, 0xF900, 0x4200, 0xFF00 }, /* COL_TRAP : pale purple */
  53   { 0, 0xFFFF, 0x5AFF, 0x01FF }, /* COL_IRQ : orange */
  54   { 0, 0xFFFF, 0xFFFF, 0xFFFF }  /* COL_MODE_UNKNOWN : white */
  55
  56 };
  57 #endif //0
  58
  59
  60 GdkColor drawing_colors[NUM_COLORS] =
  61 { /* Pixel, R, G, B */
  62   { 0, 0, 0, 0 }, /* COL_BLACK */
  63   { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
  64   { 0, 0x0000, 0xFF00, 0x0000 }, /* COL_RUN_USER_MODE : green */
  65   { 0, 0x0100, 0x9E00, 0xFFFF }, /* COL_RUN_SYSCALL : pale blue */
  66   { 0, 0xFF00, 0xFF00, 0x0100 }, /* COL_RUN_TRAP : yellow */
  67   { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_RUN_IRQ : red */
  68   { 0, 0xA3FF, 0x0000, 0x0000 }, /* COL_WAIT : dark red */
  69   { 0, 0x7700, 0x7700, 0x0000 }, /* COL_WAIT_CPU : dark yellow */
  70   { 0, 0x6400, 0x0000, 0x5D00 }, /* COL_ZOMBIE : dark purple */
  71   { 0, 0x0700, 0x6400, 0x0000 }, /* COL_WAIT_FORK : dark green */
  72   { 0, 0x8900, 0x0000, 0x8400 }, /* COL_EXIT : "less dark" magenta */
  73   { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_MODE_UNKNOWN : white */
  74   { 0, 0xFFFF, 0xFFFF, 0xFFFF }  /* COL_UNNAMED : white */
  75
  76 };
  77
  78 /*
  79 RUN+USER MODE green
  80 RUN+SYSCALL
  81 RUN+TRAP
  82 RUN+IRQ
  83 WAIT+foncé
  84 WAIT CPU + WAIT FORK vert foncé ou jaune
  85 IRQ rouge
  86 TRAP: orange
  87 SYSCALL: bleu pâle
  88
  89 ZOMBIE + WAIT EXIT
  90 */
  91
  92
  93 /*****************************************************************************
  94  *                              drawing functions                            *
  95  *****************************************************************************/
  96
  97 static gboolean
  98 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data );
  99
 100 static gboolean
 101 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
 102
 103
 104 /* Function responsible for updating the exposed area.
 105  * It must do an events request to the lttvwindow API to ask for this update.
 106  * Note : this function cannot clear the background, because it may
 107  * erase drawing already present (SAFETY).
 108  */
 109 void drawing_data_request(Drawing_t *drawing,
 110       GdkPixmap **pixmap,
 111       gint x, gint y,
 112       gint width,
 113       gint height)
 114 {
 115   if(width < 0) return ;
 116   if(height < 0) return ;
 117
 118   Tab *tab = drawing->control_flow_data->tab;
 119   TimeWindow time_window =
 120               lttvwindow_get_time_window(tab);
 121
 122   ControlFlowData *control_flow_data = drawing->control_flow_data;
 123   //    (ControlFlowData*)g_object_get_data(
 124   //               G_OBJECT(drawing->drawing_area), "control_flow_data");
 125
 126   LttTime start, time_end;
 127   LttTime window_end = time_window.end_time;
 128
 129   g_debug("req : window start_time : %u, %u", time_window.start_time.tv_sec,
 130                                        time_window.start_time.tv_nsec);
 131
 132   g_debug("req : window time width : %u, %u", time_window.time_width.tv_sec,
 133                                        time_window.time_width.tv_nsec);
 134
 135   g_debug("req : window_end : %u, %u", window_end.tv_sec,
 136                                        window_end.tv_nsec);
 137
 138   g_debug("x is : %i, x+width is : %i", x, x+width);
 139
 140   convert_pixels_to_time(drawing->width, x,
 141         time_window,
 142         &start);
 143
 144   convert_pixels_to_time(drawing->width, x+width,
 145         time_window,
 146         &time_end);
 147   time_end = ltt_time_add(time_end, ltt_time_one); // because main window
 148                                                    // doesn't deliver end time.
 149
 150   lttvwindow_events_request_remove_all(tab,
 151                                        control_flow_data);
 152
 153   {
 154     /* find the tracehooks */
 155     LttvTracesetContext *tsc = lttvwindow_get_traceset_context(tab);
 156
 157     LttvTraceset *traceset = tsc->ts;
 158
 159     guint i, k, nb_trace;
 160
 161     LttvTraceState *ts;
 162
 163     LttvTracefileState *tfs;
 164
 165     GArray *hooks;
 166
 167     LttvTraceHook hook;
 168
 169     LttvAttributeValue val;
 170
 171     nb_trace = lttv_traceset_number(traceset);
 172     // FIXME : eventually request for more traces
 173     // for(i = 0 ; i < nb_trace ; i++) {
 174     for(i = 0; i<MIN(TRACE_NUMBER+1, nb_trace);i++)
 175     {
 176       EventsRequest *events_request = g_new(EventsRequest, 1);
 177       // Create the hooks
 178       //LttvHooks *event = lttv_hooks_new();
 179       LttvHooksById *event_by_id = lttv_hooks_by_id_new();
 180       LttvHooks *before_chunk_traceset = lttv_hooks_new();
 181       LttvHooks *after_chunk_traceset = lttv_hooks_new();
 182       LttvHooks *before_request_hook = lttv_hooks_new();
 183       LttvHooks *after_request_hook = lttv_hooks_new();
 184
 185       lttv_hooks_add(before_chunk_traceset,
 186                      before_chunk,
 187                      events_request,
 188                      LTTV_PRIO_DEFAULT);
 189
 190       lttv_hooks_add(after_chunk_traceset,
 191                      after_chunk,
 192                      events_request,
 193                      LTTV_PRIO_DEFAULT);
 194
 195       lttv_hooks_add(before_request_hook,
 196                      before_request,
 197                      events_request,
 198                      LTTV_PRIO_DEFAULT);
 199
 200       lttv_hooks_add(after_request_hook,
 201                      after_request,
 202                      events_request,
 203                      LTTV_PRIO_DEFAULT);
 204
 205
 206       ts = (LttvTraceState *)tsc->traces[i];
 207
 208       /* Find the eventtype id for the following events and register the
 209          associated by id hooks. */
 210
 211       hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook));
 212       g_array_set_size(hooks, 15);
 213
 214       /* before hooks */
 215
 216       lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id",
 217     NULL, NULL, before_execmode_hook, &g_array_index(hooks, LttvTraceHook, 0));
 218
 219       lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL,
 220           NULL, before_execmode_hook, &g_array_index(hooks, LttvTraceHook, 1));
 221
 222       lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id",
 223     NULL, NULL, before_execmode_hook, &g_array_index(hooks, LttvTraceHook, 2));
 224
 225       lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL,
 226           before_execmode_hook, &g_array_index(hooks, LttvTraceHook, 3));
 227
 228       lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL,
 229           NULL, before_execmode_hook, &g_array_index(hooks, LttvTraceHook, 4));
 230
 231       lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL,
 232           before_execmode_hook, &g_array_index(hooks, LttvTraceHook, 5));
 233
 234       lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out",
 235         "out_state", before_schedchange_hook,
 236         &g_array_index(hooks, LttvTraceHook, 6));
 237
 238       lttv_trace_find_hook(ts->parent.t, "core", "process", "event_sub_id",
 239           "event_data1", "event_data2", before_process_hook,
 240           &g_array_index(hooks, LttvTraceHook, 7));
 241
 242 #if 0
 243       lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid",
 244           NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7));
 245
 246       lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL,
 247           NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8));
 248 #endif //0
 249
 250       /* after hooks */
 251
 252       lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id",
 253     NULL, NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 8));
 254 #if 0
 255       /**** DESACTIVATED ****/
 256       lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL,
 257           NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 9));
 258 #endif //0
 259
 260       lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id",
 261     NULL, NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 9));
 262
 263       lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL,
 264           after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 10));
 265
 266       lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL,
 267           NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 11));
 268
 269       lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL,
 270           after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 12));
 271
 272       lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out",
 273         "out_state", after_schedchange_hook,
 274         &g_array_index(hooks, LttvTraceHook, 13));
 275
 276       lttv_trace_find_hook(ts->parent.t, "core", "process", "event_sub_id",
 277           "event_data1", "event_data2", after_process_hook,
 278           &g_array_index(hooks, LttvTraceHook, 14));
 279
 280 #if 0
 281       lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid",
 282           NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7));
 283
 284       lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL,
 285           NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8));
 286 #endif //0
 287
 288
 289
 290       /* Add these hooks to each event_by_id hooks list */
 291       /* add before */
 292       for(k = 0 ; k < hooks->len/2 ; k++) {
 293         hook = g_array_index(hooks, LttvTraceHook, k);
 294         lttv_hooks_add(lttv_hooks_by_id_find(event_by_id,
 295                         hook.id), hook.h,
 296                         events_request,
 297                         LTTV_PRIO_STATE-5);
 298       }
 299
 300       /* add after */
 301       for(k = hooks->len/2 ; k < hooks->len ; k++) {
 302         hook = g_array_index(hooks, LttvTraceHook, k);
 303         lttv_hooks_add(lttv_hooks_by_id_find(event_by_id,
 304                        hook.id), hook.h,
 305                        events_request,
 306                        LTTV_PRIO_STATE+5);
 307       }
 308
 309       events_request->hooks = hooks;
 310
 311       // Fill the events request
 312       events_request->owner = control_flow_data;
 313       events_request->viewer_data = control_flow_data;
 314       events_request->servicing = FALSE;
 315       events_request->start_time = start;
 316       events_request->start_position = NULL;
 317       events_request->stop_flag = FALSE;
 318       events_request->end_time = time_end;
 319       events_request->num_events = G_MAXUINT;
 320       events_request->end_position = NULL;
 321       events_request->trace = i;    /* FIXME */
 322       events_request->before_chunk_traceset = before_chunk_traceset;
 323       events_request->before_chunk_trace = NULL;
 324       events_request->before_chunk_tracefile = NULL;
 325       events_request->event = NULL;
 326       events_request->event_by_id = event_by_id;
 327       events_request->after_chunk_tracefile = NULL;
 328       events_request->after_chunk_trace = NULL;
 329       events_request->after_chunk_traceset = after_chunk_traceset;
 330       events_request->before_request = before_request_hook;
 331       events_request->after_request = after_request_hook;
 332
 333       g_debug("req : start : %u, %u", start.tv_sec,
 334                                           start.tv_nsec);
 335
 336       g_debug("req : end : %u, %u", time_end.tv_sec,
 337                                          time_end.tv_nsec);
 338
 339       lttvwindow_events_request(tab, events_request);
 340
 341     }
 342
 343   }
 344
 345 #if 0
 346   lttv_hooks_add(event,
 347                  before_schedchange_hook,
 348                  events_request,
 349                  LTTV_PRIO_STATE-5);
 350   lttv_hooks_add(event,
 351                  after_schedchange_hook,
 352                  events_request,
 353                  LTTV_PRIO_STATE+5);
 354   lttv_hooks_add(event,
 355                  before_execmode_hook,
 356                  events_request,
 357                  LTTV_PRIO_STATE-5);
 358   lttv_hooks_add(event,
 359                  after_execmode_hook,
 360                  events_request,
 361                  LTTV_PRIO_STATE+5);
 362   lttv_hooks_add(event,
 363                  before_process_hook,
 364                  events_request,
 365                  LTTV_PRIO_STATE-5);
 366   lttv_hooks_add(event,
 367                  after_process_hook,
 368                  events_request,
 369                  LTTV_PRIO_STATE+5);
 370 #endif //0
 371
 372 }
 373
 374
 375 static void set_last_start(gpointer key, gpointer value, gpointer user_data)
 376 {
 377   ProcessInfo *process_info = (ProcessInfo*)key;
 378   HashedProcessData *hashed_process_data = (HashedProcessData*)value;
 379   guint x = (guint)user_data;
 380
 381   hashed_process_data->x.over = x;
 382   hashed_process_data->x.over_used = FALSE;
 383   hashed_process_data->x.over_marked = FALSE;
 384   hashed_process_data->x.middle = x;
 385   hashed_process_data->x.middle_used = FALSE;
 386   hashed_process_data->x.middle_marked = FALSE;
 387   hashed_process_data->x.under = x;
 388   hashed_process_data->x.under_used = FALSE;
 389   hashed_process_data->x.under_marked = FALSE;
 390   hashed_process_data->next_good_time = ltt_time_zero;
 391
 392   return;
 393 }
 394
 395 void drawing_data_request_begin(EventsRequest *events_request, LttvTracesetState *tss)
 396 {
 397   g_debug("Begin of data request");
 398   ControlFlowData *cfd = events_request->viewer_data;
 399   LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(tss);
 400   TimeWindow time_window =
 401     lttvwindow_get_time_window(cfd->tab);
 402   LttTime end_time = time_window.end_time;
 403
 404   guint width = cfd->drawing->width;
 405   guint x=0;
 406
 407   cfd->drawing->last_start = events_request->start_time;
 408
 409   convert_time_to_pixels(
 410           time_window,
 411           events_request->start_time,
 412           width,
 413           &x);
 414
 415   g_hash_table_foreach(cfd->process_list->process_hash, set_last_start,
 416                             (gpointer)x);
 417
 418 }
 419
 420 void drawing_chunk_begin(EventsRequest *events_request, LttvTracesetState *tss)
 421 {
 422   g_debug("Begin of chunk");
 423   ControlFlowData *cfd = events_request->viewer_data;
 424   LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(tss);
 425   LttTime current_time = lttv_traceset_context_get_current_tfc(tsc)->timestamp;
 426   guint num_cpu =
 427     ltt_trace_per_cpu_tracefile_number(tss->parent.traces[TRACE_NUMBER]->t);
 428
 429   cfd->process_list->current_hash_data = g_new(HashedProcessData*,num_cpu);
 430   memset(cfd->process_list->current_hash_data, 0,
 431          sizeof(HashedProcessData*)*num_cpu);
 432   //cfd->drawing->last_start = LTT_TIME_MIN(current_time,
 433   //                                        events_request->end_time);
 434 }
 435
 436
 437 void drawing_request_expose(EventsRequest *events_request,
 438                             LttvTracesetState *tss,
 439                             LttTime end_time)
 440 {
 441   gint x, x_end, width;
 442
 443   ControlFlowData *cfd = events_request->viewer_data;
 444   LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(tss);
 445   Drawing_t *drawing = cfd->drawing;
 446
 447   TimeWindow time_window =
 448         lttvwindow_get_time_window(cfd->tab);
 449
 450   g_debug("request expose");
 451
 452   LttTime window_end = time_window.end_time;
 453
 454 #if 0
 455   convert_time_to_pixels(
 456         time_window,
 457         cfd->drawing->last_start,
 458         drawing->width,
 459         &x);
 460
 461 #endif //0
 462   convert_time_to_pixels(
 463         time_window,
 464         end_time,
 465         drawing->width,
 466         &x_end);
 467   x = drawing->damage_begin;
 468  // x_end = drawing->damage_end;
 469   width = x_end - x;
 470
 471   drawing->damage_begin = x+width;
 472   //drawing->damage_end = drawing->width;
 473
 474   /* ask for the buffer to be redrawn */
 475
 476   //gtk_widget_queue_draw_area ( drawing->drawing_area,
 477   //                             0, 0,
 478   //                             drawing->width, drawing->height);
 479
 480   /* FIXME
 481    * will need more precise pixel_to_time and time_to_pixel conversion
 482    * functions to redraw only the needed area. */
 483   gtk_widget_queue_draw_area ( drawing->drawing_area,
 484                                x, 0,
 485                                width, drawing->height);
 486
 487 }
 488
 489
 490 /* Callbacks */
 491
 492
 493 /* Create a new backing pixmap of the appropriate size */
 494 /* As the scaling will always change, it's of no use to copy old
 495  * pixmap.
 496  *
 497  * Only change the size if width changes. The height is specified and changed
 498  * when process ID are added or removed from the process list.
 499  */
 500 static gboolean
 501 configure_event( GtkWidget *widget, GdkEventConfigure *event,
 502     gpointer user_data)
 503 {
 504   Drawing_t *drawing = (Drawing_t*)user_data;
 505
 506
 507   /* First, get the new time interval of the main window */
 508   /* we assume (see documentation) that the main window
 509    * has updated the time interval before this configure gets
 510    * executed.
 511    */
 512   //lttvwindow_get_time_window(drawing->control_flow_data->mw,
 513   //      &drawing->control_flow_data->time_window);
 514
 515   /* New pixmap, size of the configure event */
 516   //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
 517   //      widget->allocation.width + SAFETY,
 518   //      widget->allocation.height + SAFETY,
 519   //      -1);
 520
 521   if(widget->allocation.width != drawing->width) {
 522     g_debug("drawing configure event");
 523     g_debug("New alloc draw size : %i by %i",widget->allocation.width,
 524                                     widget->allocation.height);
 525
 526
 527     if (drawing->pixmap)
 528       gdk_pixmap_unref(drawing->pixmap);
 529
 530     drawing->width = widget->allocation.width;
 531     //drawing->height = widget->allocation.height;
 532
 533     drawing->pixmap = gdk_pixmap_new(widget->window,
 534                                      drawing->width + SAFETY,
 535                                      drawing->height,
 536                                      -1);
 537     //ProcessList_get_height
 538     // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
 539
 540
 541     // Clear the image
 542     gdk_draw_rectangle (drawing->pixmap,
 543           widget->style->black_gc,
 544           TRUE,
 545           0, 0,
 546           drawing->width+SAFETY,
 547           drawing->height);
 548
 549     //g_info("init data request");
 550
 551
 552     /* Initial data request */
 553     /* no, do initial data request in the expose event */
 554     // Do not need to ask for data of 1 pixel : not synchronized with
 555     // main window time at this moment.
 556     //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
 557     //    widget->allocation.width,
 558     //    widget->allocation.height);
 559
 560     //drawing->width = widget->allocation.width;
 561     //drawing->height = widget->allocation.height;
 562
 563     drawing->damage_begin = 0;
 564     drawing->damage_end = widget->allocation.width;
 565
 566     if(drawing->damage_begin < drawing->damage_end)
 567     {
 568       drawing_data_request(drawing,
 569                            &drawing->pixmap,
 570                            drawing->damage_begin,
 571                            0,
 572                            drawing->damage_end - drawing->damage_begin,
 573                            drawing->height);
 574     }
 575   }
 576   return TRUE;
 577 }
 578
 579
 580 /* Redraw the screen from the backing pixmap */
 581 static gboolean
 582 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
 583 {
 584   Drawing_t *drawing = (Drawing_t*)user_data;
 585
 586   ControlFlowData *control_flow_data =
 587       (ControlFlowData*)g_object_get_data(
 588                 G_OBJECT(widget),
 589                 "control_flow_data");
 590   if(drawing->gc == NULL) {
 591     drawing->gc = gdk_gc_new(drawing->drawing_area->window);
 592     gdk_gc_copy(drawing->gc, drawing->drawing_area->style->black_gc);
 593   }
 594
 595   TimeWindow time_window =
 596       lttvwindow_get_time_window(control_flow_data->tab);
 597   LttTime current_time =
 598       lttvwindow_get_current_time(control_flow_data->tab);
 599
 600   guint cursor_x=0;
 601
 602   LttTime window_end = time_window.end_time;
 603
 604   /* update the screen from the pixmap buffer */
 605   gdk_draw_pixmap(widget->window,
 606       widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
 607       drawing->pixmap,
 608       event->area.x, event->area.y,
 609       event->area.x, event->area.y,
 610       event->area.width, event->area.height);
 611
 612
 613   if(ltt_time_compare(time_window.start_time, current_time) <= 0 &&
 614            ltt_time_compare(window_end, current_time) >= 0)
 615   {
 616     /* Draw the dotted lines */
 617     convert_time_to_pixels(
 618           time_window,
 619           current_time,
 620           drawing->width,
 621           &cursor_x);
 622
 623
 624     if(drawing->dotted_gc == NULL) {
 625
 626       drawing->dotted_gc = gdk_gc_new(drawing->drawing_area->window);
 627       gdk_gc_copy(drawing->dotted_gc, widget->style->white_gc);
 628
 629       gint8 dash_list[] = { 1, 2 };
 630       gdk_gc_set_line_attributes(drawing->dotted_gc,
 631                                  1,
 632                                  GDK_LINE_ON_OFF_DASH,
 633                                  GDK_CAP_BUTT,
 634                                  GDK_JOIN_MITER);
 635       gdk_gc_set_dashes(drawing->dotted_gc,
 636                         0,
 637                         dash_list,
 638                         2);
 639     }
 640
 641     drawing_draw_line(NULL, widget->window,
 642                   cursor_x, 0,
 643                   cursor_x, drawing->height,
 644                   drawing->dotted_gc);
 645   }
 646   return FALSE;
 647 }
 648
 649 static gboolean
 650 after_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
 651 {
 652   //g_assert(0);
 653   g_debug("AFTER EXPOSE");
 654
 655   return FALSE;
 656
 657
 658 }
 659
 660 #if 0
 661 void
 662 tree_row_activated(GtkTreeModel *treemodel,
 663                    GtkTreePath *arg1,
 664                    GtkTreeViewColumn *arg2,
 665                    gpointer user_data)
 666 {
 667   ControlFlowData *cfd = (ControlFlowData*)user_data;
 668   Drawing_t *drawing = cfd->drawing;
 669   GtkTreeView *treeview = cfd->process_list->process_list_widget;
 670   gint *path_indices;
 671   gint height;
 672
 673   path_indices =  gtk_tree_path_get_indices (arg1);
 674
 675   height = get_cell_height(cfd->process_list,
 676         GTK_TREE_VIEW(treeview));
 677   drawing->horizontal_sel = height * path_indices[0];
 678   g_critical("new hor sel : %i", drawing->horizontal_sel);
 679 }
 680 #endif //0
 681
 682 /* mouse click */
 683 static gboolean
 684 button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
 685 {
 686   ControlFlowData *control_flow_data =
 687       (ControlFlowData*)g_object_get_data(
 688                 G_OBJECT(widget),
 689                 "control_flow_data");
 690   Drawing_t *drawing = control_flow_data->drawing;
 691   TimeWindow time_window =
 692                lttvwindow_get_time_window(control_flow_data->tab);
 693
 694   g_debug("click");
 695   if(event->button == 1)
 696   {
 697     LttTime time;
 698
 699     LttTime window_end = time_window.end_time;
 700
 701
 702     /* left mouse button click */
 703     g_debug("x click is : %f", event->x);
 704
 705     convert_pixels_to_time(drawing->width, (guint)event->x,
 706         time_window,
 707         &time);
 708
 709     lttvwindow_report_current_time(control_flow_data->tab, time);
 710
 711   }
 712
 713   return FALSE;
 714 }
 715
 716 static gboolean
 717 scrollbar_size_allocate(GtkWidget *widget,
 718                         GtkAllocation *allocation,
 719                         gpointer user_data)
 720 {
 721   Drawing_t *drawing = (Drawing_t*)user_data;
 722
 723   gtk_widget_set_size_request(drawing->padding, allocation->width, -1);
 724   //gtk_widget_queue_resize(drawing->padding);
 725   //gtk_widget_queue_resize(drawing->ruler);
 726   gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
 727   return 0;
 728 }
 729
 730
 731
 732 Drawing_t *drawing_construct(ControlFlowData *control_flow_data)
 733 {
 734   Drawing_t *drawing = g_new(Drawing_t, 1);
 735
 736   drawing->control_flow_data = control_flow_data;
 737
 738   drawing->vbox = gtk_vbox_new(FALSE, 1);
 739
 740
 741   drawing->ruler_hbox = gtk_hbox_new(FALSE, 1);
 742   drawing->ruler = gtk_drawing_area_new ();
 743   //gtk_widget_set_size_request(drawing->ruler, -1, 27);
 744
 745   drawing->padding = gtk_drawing_area_new ();
 746   //gtk_widget_set_size_request(drawing->padding, -1, 27);
 747   gtk_box_pack_start(GTK_BOX(drawing->ruler_hbox), drawing->ruler,
 748                      TRUE, TRUE, 0);
 749   gtk_box_pack_end(GTK_BOX(drawing->ruler_hbox), drawing->padding,
 750                      FALSE, FALSE, 0);
 751
 752
 753
 754   drawing->drawing_area = gtk_drawing_area_new ();
 755
 756   drawing->gc = NULL;
 757
 758   drawing->hbox = gtk_hbox_new(FALSE, 1);
 759   drawing->viewport = gtk_viewport_new(NULL, control_flow_data->v_adjust);
 760   drawing->scrollbar = gtk_vscrollbar_new(control_flow_data->v_adjust);
 761   gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport,
 762                      TRUE, TRUE, 0);
 763   gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar,
 764                      FALSE, FALSE, 0);
 765
 766   //drawing->scrolled_window =
 767   //    gtk_scrolled_window_new (NULL,
 768   //    control_flow_data->v_adjust);
 769
 770   //gtk_scrolled_window_set_policy(
 771   //  GTK_SCROLLED_WINDOW(drawing->scrolled_window),
 772   //  GTK_POLICY_NEVER,
 773   //  GTK_POLICY_AUTOMATIC);
 774
 775   gtk_container_add(GTK_CONTAINER(drawing->viewport),
 776                     drawing->drawing_area);
 777   //gtk_scrolled_window_add_with_viewport(
 778   //  GTK_SCROLLED_WINDOW(drawing->scrolled_window),
 779   //  drawing->drawing_area);
 780
 781   gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox,
 782                      FALSE, FALSE, 0);
 783   gtk_box_pack_end(GTK_BOX(drawing->vbox), drawing->hbox,
 784                    TRUE, TRUE, 0);
 785
 786   drawing->pango_layout =
 787     gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
 788
 789   drawing->dotted_gc = NULL;
 790
 791   drawing->height = 1;
 792   drawing->width = 1;
 793   drawing->depth = 0;
 794
 795   drawing->damage_begin = 0;
 796   drawing->damage_end = 0;
 797   drawing->horizontal_sel = -1;
 798
 799   //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
 800   g_object_set_data_full(
 801       G_OBJECT(drawing->drawing_area),
 802       "Link_drawing_Data",
 803       drawing,
 804       (GDestroyNotify)drawing_destroy);
 805
 806   g_object_set_data(
 807       G_OBJECT(drawing->ruler),
 808       "drawing",
 809       drawing);
 810
 811
 812   //gtk_widget_modify_bg( drawing->drawing_area,
 813   //      GTK_STATE_NORMAL,
 814   //      &CF_Colors[BLACK]);
 815
 816   //gdk_window_get_geometry(drawing->drawing_area->window,
 817   //    NULL, NULL,
 818   //    &(drawing->width),
 819   //    &(drawing->height),
 820   //    -1);
 821
 822   //drawing->pixmap = gdk_pixmap_new(
 823   //    drawing->drawing_area->window,
 824   //    drawing->width,
 825   //    drawing->height,
 826   //    drawing->depth);
 827
 828   drawing->pixmap = NULL;
 829
 830 //  drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
 831 //        drawing->drawing_area->allocation.width,
 832 //        drawing->drawing_area->allocation.height,
 833 //        -1);
 834
 835   g_signal_connect (G_OBJECT(drawing->drawing_area),
 836         "configure_event",
 837         G_CALLBACK (configure_event),
 838         (gpointer)drawing);
 839
 840   g_signal_connect (G_OBJECT(drawing->ruler),
 841         "expose_event",
 842         G_CALLBACK(expose_ruler),
 843         (gpointer)drawing);
 844
 845   gtk_widget_add_events(drawing->ruler, GDK_POINTER_MOTION_MASK);
 846
 847   g_signal_connect (G_OBJECT(drawing->ruler),
 848         "motion-notify-event",
 849         G_CALLBACK(motion_notify_ruler),
 850         (gpointer)drawing);
 851
 852
 853   g_signal_connect (G_OBJECT(drawing->scrollbar),
 854         "size-allocate",
 855         G_CALLBACK(scrollbar_size_allocate),
 856         (gpointer)drawing);
 857
 858
 859
 860   g_signal_connect (G_OBJECT(drawing->drawing_area),
 861         "expose_event",
 862         G_CALLBACK (expose_event),
 863         (gpointer)drawing);
 864
 865   g_signal_connect_after (G_OBJECT(drawing->drawing_area),
 866         "expose_event",
 867         G_CALLBACK (after_expose_event),
 868         (gpointer)drawing);
 869
 870   g_signal_connect (G_OBJECT(drawing->drawing_area),
 871         "button-press-event",
 872         G_CALLBACK (button_press_event),
 873         (gpointer)drawing);
 874
 875   gtk_widget_show(drawing->ruler);
 876   gtk_widget_show(drawing->padding);
 877   gtk_widget_show(drawing->ruler_hbox);
 878
 879   gtk_widget_show(drawing->drawing_area);
 880   //gtk_widget_show(drawing->scrolled_window);
 881   gtk_widget_show(drawing->viewport);
 882   gtk_widget_show(drawing->scrollbar);
 883   gtk_widget_show(drawing->hbox);
 884
 885   /* Allocate the colors */
 886   GdkColormap* colormap = gdk_colormap_get_system();
 887   gboolean success[NUM_COLORS];
 888   gdk_colormap_alloc_colors(colormap, drawing_colors, NUM_COLORS, FALSE,
 889                             TRUE, success);
 890
 891   return drawing;
 892 }
 893
 894 void drawing_destroy(Drawing_t *drawing)
 895 {
 896   g_info("drawing_destroy %p", drawing);
 897
 898   /* Free the colors */
 899   GdkColormap* colormap = gdk_colormap_get_system();
 900
 901   gdk_colormap_free_colors(colormap, drawing_colors, NUM_COLORS);
 902
 903
 904
 905   // Do not unref here, Drawing_t destroyed by it's widget.
 906   //g_object_unref( G_OBJECT(drawing->drawing_area));
 907   if(drawing->gc != NULL)
 908     gdk_gc_unref(drawing->gc);
 909
 910   g_free(drawing->pango_layout);
 911   if(!drawing->dotted_gc) gdk_gc_unref(drawing->dotted_gc);
 912   g_free(drawing);
 913   g_info("drawing_destroy end");
 914 }
 915
 916 GtkWidget *drawing_get_drawing_area(Drawing_t *drawing)
 917 {
 918   return drawing->drawing_area;
 919 }
 920
 921 GtkWidget *drawing_get_widget(Drawing_t *drawing)
 922 {
 923   return drawing->vbox;
 924 }
 925
 926 void drawing_draw_line( Drawing_t *drawing,
 927       GdkPixmap *pixmap,
 928       guint x1, guint y1,
 929       guint x2, guint y2,
 930       GdkGC *GC)
 931 {
 932   gdk_draw_line (pixmap,
 933       GC,
 934       x1, y1, x2, y2);
 935 }
 936
 937 void drawing_clear(Drawing_t *drawing)
 938 {
 939   if (drawing->pixmap)
 940     gdk_pixmap_unref(drawing->pixmap);
 941
 942   drawing->height = 1;
 943   /* Allocate a new pixmap with new height */
 944   drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
 945                                    drawing->width + SAFETY,
 946                                    drawing->height,
 947                                      -1);
 948
 949   gtk_widget_set_size_request(drawing->drawing_area,
 950                              -1,
 951                              drawing->height);
 952   gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
 953
 954   /* ask for the buffer to be redrawn */
 955   gtk_widget_queue_draw_area ( drawing->drawing_area,
 956                                0, 0,
 957                                drawing->width, drawing->height);
 958 }
 959
 960
 961 /* Insert a square corresponding to a new process in the list */
 962 /* Applies to whole drawing->width */
 963 void drawing_insert_square(Drawing_t *drawing,
 964         guint y,
 965         guint height)
 966 {
 967   //GdkRectangle update_rect;
 968
 969   /* Allocate a new pixmap with new height */
 970   GdkPixmap *pixmap = gdk_pixmap_new(drawing->drawing_area->window,
 971         drawing->width + SAFETY,
 972         drawing->height + height,
 973         -1);
 974
 975   /* Copy the high region */
 976   gdk_draw_drawable (pixmap,
 977     drawing->drawing_area->style->black_gc,
 978     drawing->pixmap,
 979     0, 0,
 980     0, 0,
 981     drawing->width + SAFETY, y);
 982
 983
 984
 985
 986   /* add an empty square */
 987   gdk_draw_rectangle (pixmap,
 988     drawing->drawing_area->style->black_gc,
 989     TRUE,
 990     0, y,
 991     drawing->width + SAFETY,  // do not overlap
 992     height);
 993
 994
 995
 996   /* copy the bottom of the region */
 997   gdk_draw_drawable (pixmap,
 998     drawing->drawing_area->style->black_gc,
 999     drawing->pixmap,
1000     0, y,
1001     0, y + height,
1002     drawing->width+SAFETY, drawing->height - y);
1003
1004
1005   if (drawing->pixmap)
1006     gdk_pixmap_unref(drawing->pixmap);
1007
1008   drawing->pixmap = pixmap;
1009
1010   if(drawing->height==1) drawing->height = height;
1011   else drawing->height += height;
1012
1013   gtk_widget_set_size_request(drawing->drawing_area,
1014                              -1,
1015                              drawing->height);
1016   gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1017
1018   /* ask for the buffer to be redrawn */
1019   gtk_widget_queue_draw_area ( drawing->drawing_area,
1020                                0, y,
1021                                drawing->width, drawing->height-y);
1022 }
1023
1024
1025 /* Remove a square corresponding to a removed process in the list */
1026 void drawing_remove_square(Drawing_t *drawing,
1027         guint y,
1028         guint height)
1029 {
1030   GdkPixmap *pixmap;
1031
1032   if(drawing->height == height) {
1033     pixmap = gdk_pixmap_new(
1034         drawing->drawing_area->window,
1035         drawing->width + SAFETY,
1036         1,
1037         -1);
1038     drawing->height=1;
1039   } else {
1040     /* Allocate a new pixmap with new height */
1041      pixmap = gdk_pixmap_new(
1042         drawing->drawing_area->window,
1043         drawing->width + SAFETY,
1044         drawing->height - height,
1045         -1);
1046
1047     /* Copy the high region */
1048     gdk_draw_drawable (pixmap,
1049       drawing->drawing_area->style->black_gc,
1050       drawing->pixmap,
1051       0, 0,
1052       0, 0,
1053       drawing->width + SAFETY, y);
1054
1055     /* Copy up the bottom of the region */
1056     gdk_draw_drawable (pixmap,
1057       drawing->drawing_area->style->black_gc,
1058       drawing->pixmap,
1059       0, y + height,
1060       0, y,
1061       drawing->width, drawing->height - y - height);
1062
1063     drawing->height-=height;
1064   }
1065
1066   if (drawing->pixmap)
1067     gdk_pixmap_unref(drawing->pixmap);
1068
1069   drawing->pixmap = pixmap;
1070
1071   gtk_widget_set_size_request(drawing->drawing_area,
1072                              -1,
1073                              drawing->height);
1074   gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1075   /* ask for the buffer to be redrawn */
1076   gtk_widget_queue_draw_area ( drawing->drawing_area,
1077                                0, y,
1078                                drawing->width, MAX(drawing->height-y, 1));
1079 }
1080
1081 void drawing_update_ruler(Drawing_t *drawing, TimeWindow *time_window)
1082 {
1083   GtkRequisition req;
1084   GdkRectangle rect;
1085
1086   req.width = drawing->ruler->allocation.width;
1087   req.height = drawing->ruler->allocation.height;
1088
1089
1090   rect.x = 0;
1091   rect.y = 0;
1092   rect.width = req.width;
1093   rect.height = req.height;
1094
1095   gtk_widget_queue_draw(drawing->ruler);
1096   //gtk_widget_draw( drawing->ruler, &rect);
1097 }
1098
1099 /* Redraw the ruler */
1100 static gboolean
1101 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
1102 {
1103   Drawing_t *drawing = (Drawing_t*)user_data;
1104   TimeWindow time_window = lttvwindow_get_time_window(drawing->control_flow_data->tab);
1105   gchar text[255];
1106
1107   PangoContext *context;
1108   PangoLayout *layout;
1109   PangoAttribute *attribute;
1110   PangoFontDescription *FontDesc;
1111   gint Font_Size;
1112   PangoRectangle ink_rect;
1113   guint global_width=0;
1114   GdkColor foreground = { 0, 0, 0, 0 };
1115   GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
1116
1117   LttTime window_end = time_window.end_time;
1118   LttTime half_width =
1119     ltt_time_div(time_window.time_width,2.0);
1120   LttTime window_middle =
1121     ltt_time_add(half_width,
1122                  time_window.start_time);
1123   g_debug("ruler expose event");
1124
1125   gdk_draw_rectangle (drawing->ruler->window,
1126           drawing->ruler->style->white_gc,
1127           TRUE,
1128           event->area.x, event->area.y,
1129           event->area.width,
1130           event->area.height);
1131
1132    GdkGC *gc = gdk_gc_new(drawing->ruler->window);
1133    gdk_gc_copy(gc, drawing->ruler->style->black_gc);
1134    gdk_gc_set_line_attributes(gc,
1135                                2,
1136                                GDK_LINE_SOLID,
1137                                GDK_CAP_BUTT,
1138                                GDK_JOIN_MITER);
1139   gdk_draw_line (drawing->ruler->window,
1140                   gc,
1141                   event->area.x, 1,
1142                   event->area.x + event->area.width, 1);
1143
1144
1145   snprintf(text, 255, "%lus\n%luns",
1146     time_window.start_time.tv_sec,
1147     time_window.start_time.tv_nsec);
1148
1149   layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
1150
1151   context = pango_layout_get_context(layout);
1152   FontDesc = pango_context_get_font_description(context);
1153
1154   pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
1155   pango_layout_context_changed(layout);
1156
1157   pango_layout_set_text(layout, text, -1);
1158   pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1159   global_width += ink_rect.width;
1160
1161   gdk_draw_layout_with_colors(drawing->ruler->window,
1162       gc,
1163       0,
1164       6,
1165       layout, &foreground, &background);
1166
1167   gdk_gc_set_line_attributes(gc,
1168                              2,
1169                              GDK_LINE_SOLID,
1170                              GDK_CAP_ROUND,
1171                              GDK_JOIN_ROUND);
1172
1173   gdk_draw_line (drawing->ruler->window,
1174                    gc,
1175                    1, 1,
1176                    1, 7);
1177
1178
1179   snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
1180                                      window_end.tv_nsec);
1181
1182   pango_layout_set_text(layout, text, -1);
1183   pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1184   global_width += ink_rect.width;
1185
1186   if(global_width <= drawing->ruler->allocation.width)
1187   {
1188     gdk_draw_layout_with_colors(drawing->ruler->window,
1189       gc,
1190       drawing->ruler->allocation.width - ink_rect.width,
1191       6,
1192       layout, &foreground, &background);
1193
1194     gdk_gc_set_line_attributes(gc,
1195                                2,
1196                                GDK_LINE_SOLID,
1197                                GDK_CAP_ROUND,
1198                                GDK_JOIN_ROUND);
1199
1200     gdk_draw_line (drawing->ruler->window,
1201                    gc,
1202                    drawing->ruler->allocation.width-1, 1,
1203                    drawing->ruler->allocation.width-1, 7);
1204   }
1205
1206
1207   snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
1208                                      window_middle.tv_nsec);
1209
1210   pango_layout_set_text(layout, text, -1);
1211   pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1212   global_width += ink_rect.width;
1213
1214   if(global_width <= drawing->ruler->allocation.width)
1215   {
1216     gdk_draw_layout_with_colors(drawing->ruler->window,
1217       gc,
1218       (drawing->ruler->allocation.width - ink_rect.width)/2,
1219       6,
1220       layout, &foreground, &background);
1221
1222     gdk_gc_set_line_attributes(gc,
1223                                2,
1224                                GDK_LINE_SOLID,
1225                                GDK_CAP_ROUND,
1226                                GDK_JOIN_ROUND);
1227
1228     gdk_draw_line (drawing->ruler->window,
1229                    gc,
1230                    drawing->ruler->allocation.width/2, 1,
1231                    drawing->ruler->allocation.width/2, 7);
1232
1233
1234
1235
1236   }
1237
1238   gdk_gc_unref(gc);
1239   g_object_unref(layout);
1240
1241   return FALSE;
1242 }
1243
1244
1245 /* notify mouse on ruler */
1246 static gboolean
1247 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
1248 {
1249   //g_debug("motion");
1250   //eventually follow mouse and show time here
1251 }