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[lttv.git] / 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 #ifdef HAVE_CONFIG_H
20 #include <config.h>
21 #endif
22
23 #include <gtk/gtk.h>
24 #include <gdk/gdk.h>
25 #include <string.h>
26
27 #include <lttv/lttv.h>
28 #include <lttvwindow/lttvwindow.h>
29 #include <lttv/state.h>
30 #include <lttv/hook.h>
31
32 #include "drawing.h"
33 #include "eventhooks.h"
34 #include "cfv.h"
35
36 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
37
38 //FIXME
39 // fixed #define TRACE_NUMBER 0
40 #define EXTRA_ALLOC 1024 // pixels
41
42
43 #if 0 /* colors for two lines representation */
44 GdkColor drawing_colors[NUM_COLORS] =
45 { /* Pixel, R, G, B */
46 { 0, 0, 0, 0 }, /* COL_BLACK */
47 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
48 { 0, 0x0FFF, 0xFFFF, 0xFFFF }, /* COL_WAIT_FORK : pale blue */
49 { 0, 0xFFFF, 0xFFFF, 0x0000 }, /* COL_WAIT_CPU : yellow */
50 { 0, 0xFFFF, 0xA000, 0xFCFF }, /* COL_EXIT : pale magenta */
51 { 0, 0xFFFF, 0x0000, 0xFFFF }, /* COL_ZOMBIE : purple */
52 { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_WAIT : red */
53 { 0, 0x0000, 0xFFFF, 0x0000 }, /* COL_RUN : green */
54 { 0, 0x8800, 0xFFFF, 0x8A00 }, /* COL_USER_MODE : pale green */
55 { 0, 0x09FF, 0x01FF, 0xFFFF }, /* COL_SYSCALL : blue */
56 { 0, 0xF900, 0x4200, 0xFF00 }, /* COL_TRAP : pale purple */
57 { 0, 0xFFFF, 0x5AFF, 0x01FF }, /* COL_IRQ : orange */
58 { 0, 0xFFFF, 0xFFFF, 0xFFFF } /* COL_MODE_UNKNOWN : white */
59
60 };
61 #endif //0
62
63
64 GdkColor drawing_colors[NUM_COLORS] =
65 { /* Pixel, R, G, B */
66 { 0, 0, 0, 0 }, /* COL_BLACK */
67 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
68 { 0, 0x0000, 0xFF00, 0x0000 }, /* COL_RUN_USER_MODE : green */
69 { 0, 0x0100, 0x9E00, 0xFFFF }, /* COL_RUN_SYSCALL : pale blue */
70 { 0, 0xFF00, 0xFF00, 0x0100 }, /* COL_RUN_TRAP : yellow */
71 { 0, 0xFFFF, 0x5E00, 0x0000 }, /* COL_RUN_IRQ : orange */
72 { 0, 0xFFFF, 0x9400, 0x9600 }, /* COL_RUN_SOFT_IRQ : pink */
73 { 0, 0x6600, 0x0000, 0x0000 }, /* COL_WAIT : dark red */
74 { 0, 0x7700, 0x7700, 0x0000 }, /* COL_WAIT_CPU : dark yellow */
75 { 0, 0x6400, 0x0000, 0x5D00 }, /* COL_ZOMBIE : dark purple */
76 { 0, 0x0700, 0x6400, 0x0000 }, /* COL_WAIT_FORK : dark green */
77 { 0, 0x8900, 0x0000, 0x8400 }, /* COL_EXIT : "less dark" magenta */
78 { 0, 0x0000, 0x0000, 0x0000 }, /* COL_DEAD : black */
79 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_MODE_UNKNOWN : white */
80 { 0, 0xFFFF, 0xFFFF, 0xFFFF } /* COL_UNNAMED : white */
81
82 };
83
84 /*
85 RUN+USER MODE green
86 RUN+SYSCALL
87 RUN+TRAP
88 RUN+IRQ
89 WAIT+foncé
90 WAIT CPU + WAIT FORK vert foncé ou jaune
91 IRQ rouge
92 TRAP: orange
93 SYSCALL: bleu pâle
94
95 ZOMBIE + WAIT EXIT
96 */
97
98
99 /*****************************************************************************
100 * drawing functions *
101 *****************************************************************************/
102
103 static gboolean
104 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data );
105
106 static gboolean
107 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
108
109
110 /* Function responsible for updating the exposed area.
111 * It must do an events request to the lttvwindow API to ask for this update.
112 * Note : this function cannot clear the background, because it may
113 * erase drawing already present (SAFETY).
114 */
115 void drawing_data_request(Drawing_t *drawing,
116 gint x, gint y,
117 gint width,
118 gint height)
119 {
120 if(width < 0) return ;
121 if(height < 0) return ;
122
123
124 Tab *tab = drawing->control_flow_data->tab;
125 TimeWindow time_window = lttvwindow_get_time_window(tab);
126 LttvTraceset *traceset = lttvwindow_get_traceset(tab);
127 if(lttv_traceset_number(traceset) <= 0){
128 return;
129 }
130
131 ControlFlowData *control_flow_data = drawing->control_flow_data;
132 // (ControlFlowData*)g_object_get_data(
133 // G_OBJECT(drawing->drawing_area), "control_flow_data");
134
135 LttTime start, time_end;
136 LttTime window_end = time_window.end_time;
137
138 g_debug("req : window start_time : %lu, %lu", time_window.start_time.tv_sec,
139 time_window.start_time.tv_nsec);
140
141 g_debug("req : window time width : %lu, %lu", time_window.time_width.tv_sec,
142 time_window.time_width.tv_nsec);
143
144 g_debug("req : window_end : %lu, %lu", window_end.tv_sec,
145 window_end.tv_nsec);
146
147 g_debug("x is : %i, x+width is : %i", x, x+width);
148
149 convert_pixels_to_time(drawing->width, x,
150 time_window,
151 &start);
152
153 convert_pixels_to_time(drawing->width, x+width,
154 time_window,
155 &time_end);
156 time_end = ltt_time_add(time_end, ltt_time_one); // because main window
157 // doesn't deliver end time.
158
159 lttvwindow_events_request_remove_all(tab,
160 control_flow_data);
161
162 {
163 LttvHooks *event_hook = lttv_hooks_new();
164 g_assert(event_hook);
165
166 lttv_hooks_add(event_hook,before_execmode_hook , control_flow_data, LTTV_PRIO_STATE-5);
167 #ifdef BABEL_CLEANUP
168 lttv_hooks_add(event_hook,syscall_exit , control_flow_data, LTTV_PRIO_STATE);
169 lttv_hooks_add(event_hook,irq_entry , control_flow_data, LTTV_PRIO_STATE);
170 lttv_hooks_add(event_hook,irq_exit , control_flow_data, LTTV_PRIO_STATE);
171 lttv_hooks_add(event_hook,soft_irq_raise , control_flow_data, LTTV_PRIO_STATE);
172 lttv_hooks_add(event_hook,soft_irq_entry , control_flow_data, LTTV_PRIO_STATE);
173 lttv_hooks_add(event_hook,soft_irq_exit , control_flow_data, LTTV_PRIO_STATE);
174 #endif //babel_cleanup
175 lttv_hooks_add(event_hook,before_schedchange_hook , control_flow_data, LTTV_PRIO_STATE-5);
176 #ifdef BABEL_CLEANUP
177 lttv_hooks_add(event_hook,sched_try_wakeup , control_flow_data, LTTV_PRIO_STATE);
178 lttv_hooks_add(event_hook,process_exit , control_flow_data, LTTV_PRIO_STATE);
179 lttv_hooks_add(event_hook,process_free , control_flow_data, LTTV_PRIO_STATE);
180 lttv_hooks_add(event_hook,process_exec , control_flow_data, LTTV_PRIO_STATE);
181 lttv_hooks_add(event_hook,enum_process_state , control_flow_data, LTTV_PRIO_STATE);
182 lttv_hooks_add(event_hook,statedump_end , control_flow_data, LTTV_PRIO_STATE);
183 lttv_hooks_add(event_hook,enum_interrupt , control_flow_data, LTTV_PRIO_STATE);
184 #endif //babel_cleanup
185 lttv_hooks_add(event_hook, before_trywakeup_hook, control_flow_data, LTTV_PRIO_STATE-5);
186 lttv_hooks_add(event_hook, before_process_exit_hook, control_flow_data, LTTV_PRIO_STATE-5);
187 lttv_hooks_add(event_hook, before_process_release_hook, control_flow_data, LTTV_PRIO_STATE-5);
188 lttv_hooks_add(event_hook, before_statedump_end, control_flow_data, LTTV_PRIO_STATE-5);
189
190 lttv_hooks_add(event_hook, after_schedchange_hook, control_flow_data, LTTV_PRIO_STATE+5);
191 lttv_hooks_add(event_hook, after_process_fork_hook, control_flow_data, LTTV_PRIO_STATE+5);
192 lttv_hooks_add(event_hook, after_process_exit_hook, control_flow_data, LTTV_PRIO_STATE+5);
193 lttv_hooks_add(event_hook, after_event_enum_process_hook, control_flow_data, LTTV_PRIO_STATE+5);
194
195 guint i, k, nb_trace;
196 LttvTraceState *ts;
197 GArray *hooks;
198 gint first_after;
199
200 nb_trace = lttv_traceset_number(traceset);
201 // FIXME (fixed) : eventually request for more traces
202 for(i = 0 ; i < nb_trace ; i++) {
203 EventsRequest *events_request = g_new(EventsRequest, 1);
204 // Create the hooks
205 //LttvHooks *event = lttv_hooks_new();
206
207 LttvHooks *before_chunk_traceset = lttv_hooks_new();
208 LttvHooks *after_chunk_traceset = lttv_hooks_new();
209 LttvHooks *before_request_hook = lttv_hooks_new();
210 LttvHooks *after_request_hook = lttv_hooks_new();
211
212 lttv_hooks_add(before_chunk_traceset,
213 before_chunk,
214 events_request,
215 LTTV_PRIO_DEFAULT);
216
217 lttv_hooks_add(after_chunk_traceset,
218 after_chunk,
219 events_request,
220 LTTV_PRIO_DEFAULT);
221
222 lttv_hooks_add(before_request_hook,
223 before_request,
224 events_request,
225 LTTV_PRIO_DEFAULT);
226
227 lttv_hooks_add(after_request_hook,
228 after_request,
229 events_request,
230 LTTV_PRIO_DEFAULT);
231
232 #ifdef BABEL_CLEANUP
233 ts = (LttvTraceState *)tsc->traces[i];
234
235 /* Find the eventtype id for the following events and register the
236 associated by id hooks. */
237
238 hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 18);
239
240 /* before hooks */
241
242 lttv_trace_find_hook(ts->parent.t,
243 LTT_CHANNEL_KERNEL,
244 LTT_EVENT_SYSCALL_ENTRY,
245 FIELD_ARRAY(LTT_FIELD_SYSCALL_ID),
246 before_execmode_hook,
247 events_request,
248 &hooks);
249
250 lttv_trace_find_hook(ts->parent.t,
251 LTT_CHANNEL_KERNEL,
252 LTT_EVENT_SCHED_TRY_WAKEUP,
253 FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_CPU_ID, LTT_FIELD_STATE),
254 before_trywakeup_hook,
255 events_request,
256 &hooks);
257
258 lttv_trace_find_hook(ts->parent.t,
259 LTT_CHANNEL_KERNEL,
260 LTT_EVENT_SYSCALL_EXIT,
261 NULL,
262 before_execmode_hook,
263 events_request,
264 &hooks);
265
266 lttv_trace_find_hook(ts->parent.t,
267 LTT_CHANNEL_KERNEL,
268 LTT_EVENT_TRAP_ENTRY,
269 FIELD_ARRAY(LTT_FIELD_TRAP_ID),
270 before_execmode_hook,
271 events_request,
272 &hooks);
273
274 lttv_trace_find_hook(ts->parent.t,
275 LTT_CHANNEL_KERNEL,
276 LTT_EVENT_TRAP_EXIT,
277 NULL,
278 before_execmode_hook,
279 events_request,
280 &hooks);
281
282 lttv_trace_find_hook(ts->parent.t,
283 LTT_CHANNEL_KERNEL,
284 LTT_EVENT_PAGE_FAULT_ENTRY,
285 FIELD_ARRAY(LTT_FIELD_TRAP_ID),
286 before_execmode_hook,
287 events_request,
288 &hooks);
289
290 lttv_trace_find_hook(ts->parent.t,
291 LTT_CHANNEL_KERNEL,
292 LTT_EVENT_PAGE_FAULT_EXIT,
293 NULL,
294 before_execmode_hook,
295 events_request,
296 &hooks);
297
298 lttv_trace_find_hook(ts->parent.t,
299 LTT_CHANNEL_KERNEL,
300 LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY,
301 FIELD_ARRAY(LTT_FIELD_TRAP_ID),
302 before_execmode_hook,
303 events_request,
304 &hooks);
305
306 lttv_trace_find_hook(ts->parent.t,
307 LTT_CHANNEL_KERNEL,
308 LTT_EVENT_PAGE_FAULT_NOSEM_EXIT,
309 NULL,
310 before_execmode_hook,
311 events_request,
312 &hooks);
313
314 lttv_trace_find_hook(ts->parent.t,
315 LTT_CHANNEL_KERNEL,
316 LTT_EVENT_IRQ_ENTRY,
317 FIELD_ARRAY(LTT_FIELD_IRQ_ID),
318 before_execmode_hook,
319 events_request,
320 &hooks);
321
322 lttv_trace_find_hook(ts->parent.t,
323 LTT_CHANNEL_KERNEL,
324 LTT_EVENT_IRQ_EXIT,
325 NULL,
326 before_execmode_hook,
327 events_request,
328 &hooks);
329
330 lttv_trace_find_hook(ts->parent.t,
331 LTT_CHANNEL_KERNEL,
332 LTT_EVENT_SOFT_IRQ_ENTRY,
333 FIELD_ARRAY(LTT_FIELD_SOFT_IRQ_ID),
334 before_execmode_hook,
335 events_request,
336 &hooks);
337
338 lttv_trace_find_hook(ts->parent.t,
339 LTT_CHANNEL_KERNEL,
340 LTT_EVENT_SOFT_IRQ_EXIT,
341 NULL,
342 before_execmode_hook,
343 events_request,
344 &hooks);
345
346
347 lttv_trace_find_hook(ts->parent.t,
348 LTT_CHANNEL_KERNEL,
349 LTT_EVENT_SCHED_SCHEDULE,
350 FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE),
351 before_schedchange_hook,
352 events_request,
353 &hooks);
354
355 lttv_trace_find_hook(ts->parent.t,
356 LTT_CHANNEL_KERNEL,
357 LTT_EVENT_PROCESS_EXIT,
358 FIELD_ARRAY(LTT_FIELD_PID),
359 before_process_exit_hook,
360 events_request,
361 &hooks);
362
363 lttv_trace_find_hook(ts->parent.t,
364 LTT_CHANNEL_KERNEL,
365 LTT_EVENT_PROCESS_FREE,
366 FIELD_ARRAY(LTT_FIELD_PID),
367 before_process_release_hook,
368 events_request,
369 &hooks);
370
371 lttv_trace_find_hook(ts->parent.t,
372 LTT_CHANNEL_GLOBAL_STATE,
373 LTT_EVENT_STATEDUMP_END,
374 NULL,
375 before_statedump_end,
376 events_request,
377 &hooks);
378
379 /* After hooks */
380 first_after = hooks->len;
381
382 lttv_trace_find_hook(ts->parent.t,
383 LTT_CHANNEL_KERNEL,
384 LTT_EVENT_SCHED_SCHEDULE,
385 FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE),
386 after_schedchange_hook,
387 events_request,
388 &hooks);
389
390 lttv_trace_find_hook(ts->parent.t,
391 LTT_CHANNEL_KERNEL,
392 LTT_EVENT_PROCESS_FORK,
393 FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID),
394 after_process_fork_hook,
395 events_request,
396 &hooks);
397
398 lttv_trace_find_hook(ts->parent.t,
399 LTT_CHANNEL_KERNEL,
400 LTT_EVENT_PROCESS_EXIT,
401 FIELD_ARRAY(LTT_FIELD_PID),
402 after_process_exit_hook,
403 events_request,
404 &hooks);
405
406 lttv_trace_find_hook(ts->parent.t,
407 LTT_CHANNEL_FS,
408 LTT_EVENT_EXEC,
409 NULL,
410 after_fs_exec_hook,
411 events_request,
412 &hooks);
413
414 lttv_trace_find_hook(ts->parent.t,
415 LTT_CHANNEL_TASK_STATE,
416 LTT_EVENT_PROCESS_STATE,
417 FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME),
418 after_event_enum_process_hook,
419 events_request,
420 &hooks);
421
422
423 /* Add these hooks to each event_by_id_channel hooks list */
424 /* add before */
425 for(k = 0 ; k < first_after ; k++) {
426 th = &g_array_index(hooks, LttvTraceHook, k);
427 lttv_hooks_add(lttv_hooks_by_id_channel_find(event_by_id_channel,
428 th->channel, th->id),
429 th->h,
430 th,
431 LTTV_PRIO_STATE-5);
432 }
433
434 /* add after */
435 for(k = first_after ; k < hooks->len ; k++) {
436 th = &g_array_index(hooks, LttvTraceHook, k);
437 lttv_hooks_add(lttv_hooks_by_id_channel_find(event_by_id_channel,
438 th->channel, th->id),
439 th->h,
440 th,
441 LTTV_PRIO_STATE+5);
442 }
443
444 events_request->hooks = hooks;
445 #endif //babel_cleanup
446 // Fill the events request
447 events_request->owner = control_flow_data;
448 events_request->viewer_data = control_flow_data;
449 events_request->servicing = FALSE;
450 events_request->start_time = start;
451 events_request->start_position = NULL;
452 events_request->stop_flag = FALSE;
453 events_request->end_time = time_end;
454 events_request->num_events = G_MAXUINT;
455 events_request->end_position = NULL;
456 events_request->trace = i; //fixed /* FIXME */
457 events_request->before_chunk_traceset = before_chunk_traceset;
458 events_request->before_chunk_trace = NULL;
459 events_request->before_chunk_tracefile = NULL;
460 events_request->event = event_hook;
461 events_request->after_chunk_tracefile = NULL;
462 events_request->after_chunk_trace = NULL;
463 events_request->after_chunk_traceset = after_chunk_traceset;
464 events_request->before_request = before_request_hook;
465 events_request->after_request = after_request_hook;
466
467 g_debug("req : start : %lu, %lu", start.tv_sec,
468 start.tv_nsec);
469
470 g_debug("req : end : %lu, %lu", time_end.tv_sec,
471 time_end.tv_nsec);
472
473 lttvwindow_events_request(tab, events_request);
474 }
475
476
477 }
478 }
479
480
481 static void set_last_start(gpointer key, gpointer value, gpointer user_data)
482 {
483 HashedProcessData *hashed_process_data = (HashedProcessData*)value;
484 guint x = GPOINTER_TO_UINT(user_data);
485
486 hashed_process_data->x.over = x;
487 hashed_process_data->x.over_used = FALSE;
488 hashed_process_data->x.over_marked = FALSE;
489 hashed_process_data->x.middle = x;
490 hashed_process_data->x.middle_used = FALSE;
491 hashed_process_data->x.middle_marked = FALSE;
492 hashed_process_data->x.under = x;
493 hashed_process_data->x.under_used = FALSE;
494 hashed_process_data->x.under_marked = FALSE;
495 hashed_process_data->next_good_time = ltt_time_zero;
496
497 return;
498 }
499 void drawing_data_request_begin(EventsRequest *events_request)
500 {
501 g_debug("Begin of data request");
502 ControlFlowData *cfd = events_request->viewer_data;
503 TimeWindow time_window =
504 lttvwindow_get_time_window(cfd->tab);
505
506 guint width = cfd->drawing->width;
507 guint x=0;
508
509 cfd->drawing->last_start = events_request->start_time;
510
511 convert_time_to_pixels(
512 time_window,
513 events_request->start_time,
514 width,
515 &x);
516
517 g_hash_table_foreach(cfd->process_list->process_hash, set_last_start,
518 GUINT_TO_POINTER(x));
519
520 }
521 void drawing_chunk_begin(EventsRequest *events_request, LttvTraceset *ts)
522 {
523 g_debug("Begin of chunk");
524 ControlFlowData *cfd = events_request->viewer_data;
525 //LttTime current_time = lttv_traceset_context_get_current_tfc(tsc)->timestamp;
526 guint i;
527 guint nb_trace = lttv_traceset_number(ts);
528
529 if(!cfd->process_list->current_hash_data) {
530 cfd->process_list->current_hash_data = g_new(HashedProcessData**,nb_trace);
531 for(i = 0 ; i < nb_trace ; i++) {
532 guint num_cpu = lttv_trace_get_num_cpu( lttv_traceset_get(ts, i));
533 cfd->process_list->current_hash_data[i] = g_new(HashedProcessData*,num_cpu);
534 memset(cfd->process_list->current_hash_data[i], 0,
535 sizeof(HashedProcessData*)*num_cpu);
536 }
537 }
538 //cfd->drawing->last_start = LTT_TIME_MIN(current_time,
539 // events_request->end_time);
540 }
541
542
543 void drawing_request_expose(EventsRequest *events_request,
544 LttTime end_time)
545 {
546 gint x, width;
547 guint x_end;
548
549 ControlFlowData *cfd = events_request->viewer_data;
550 Drawing_t *drawing = cfd->drawing;
551
552 TimeWindow time_window = lttvwindow_get_time_window(cfd->tab);
553
554 g_debug("request expose");
555
556 convert_time_to_pixels(
557 time_window,
558 end_time,
559 drawing->width,
560 &x_end);
561 x = drawing->damage_begin;
562
563 width = x_end - x;
564
565 drawing->damage_begin = x+width;
566
567 // FIXME ?
568 gtk_widget_queue_draw_area ( drawing->drawing_area,
569 x, 0,
570 width, drawing->drawing_area->allocation.height);
571
572 /* Update directly when scrolling */
573 gdk_window_process_updates(drawing->drawing_area->window,
574 TRUE);
575 }
576
577 /* Callbacks */
578
579
580 /* Create a new backing pixmap of the appropriate size */
581 /* As the scaling will always change, it's of no use to copy old
582 * pixmap.
583 *
584 * Only change the size if width changes. The height is specified and changed
585 * when process ID are added or removed from the process list.
586 */
587 static gboolean
588 configure_event( GtkWidget *widget, GdkEventConfigure *event,
589 gpointer user_data)
590 {
591 Drawing_t *drawing = (Drawing_t*)user_data;
592
593
594 /* First, get the new time interval of the main window */
595 /* we assume (see documentation) that the main window
596 * has updated the time interval before this configure gets
597 * executed.
598 */
599 //lttvwindow_get_time_window(drawing->control_flow_data->mw,
600 // &drawing->control_flow_data->time_window);
601
602 /* New pixmap, size of the configure event */
603 //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
604 // widget->allocation.width + SAFETY,
605 // widget->allocation.height + SAFETY,
606 // -1);
607
608 if(widget->allocation.width != drawing->width) {
609 g_debug("drawing configure event");
610 g_debug("New alloc draw size : %i by %i",widget->allocation.width,
611 widget->allocation.height);
612
613 drawing->width = widget->allocation.width;
614
615 if(drawing->alloc_width < widget->allocation.width) {
616 //if(drawing->pixmap)
617 // gdk_pixmap_unref(drawing->pixmap);
618
619 //drawing->pixmap = gdk_pixmap_new(widget->window,
620 // drawing->width + SAFETY + EXTRA_ALLOC,
621 // drawing->height + EXTRA_ALLOC,
622 // -1);
623 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
624 drawing->alloc_height = drawing->height + EXTRA_ALLOC;
625 update_pixmap_size(drawing->control_flow_data->process_list,
626 drawing->alloc_width);
627 update_index_to_pixmap(drawing->control_flow_data->process_list);
628 }
629 drawing->height = widget->allocation.height;
630
631 //ProcessList_get_height
632 // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
633
634
635 // Clear the image
636 //gdk_draw_rectangle (drawing->pixmap,
637 // widget->style->black_gc,
638 // TRUE,
639 // 0, 0,
640 // drawing->width+SAFETY,
641 // drawing->height);
642
643 //g_info("init data request");
644
645
646 /* Initial data request */
647 /* no, do initial data request in the expose event */
648 // Do not need to ask for data of 1 pixel : not synchronized with
649 // main window time at this moment.
650 //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
651 // widget->allocation.width,
652 // widget->allocation.height);
653
654 //drawing->width = widget->allocation.width;
655 //drawing->height = widget->allocation.height;
656
657 drawing->damage_begin = 0;
658 drawing->damage_end = widget->allocation.width;
659
660 if((widget->allocation.width != 1 &&
661 widget->allocation.height != 1)
662 && drawing->damage_begin < drawing->damage_end)
663 {
664
665 rectangle_pixmap (drawing->control_flow_data->process_list,
666 drawing->drawing_area->style->black_gc,
667 TRUE,
668 0, 0,
669 drawing->alloc_width, // do not overlap
670 -1);
671
672
673 drawing_data_request(drawing,
674 drawing->damage_begin,
675 0,
676 drawing->damage_end - drawing->damage_begin,
677 drawing->height);
678 }
679 }
680 return TRUE;
681 }
682
683
684 /* Redraw the screen from the backing pixmap */
685 static gboolean
686 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
687 {
688 Drawing_t *drawing = (Drawing_t*)user_data;
689
690 ControlFlowData *control_flow_data =
691 (ControlFlowData*)g_object_get_data(
692 G_OBJECT(widget),
693 "control_flow_data");
694 #if 0
695 if(unlikely(drawing->gc == NULL)) {
696 drawing->gc = gdk_gc_new(drawing->drawing_area->window);
697 gdk_gc_copy(drawing->gc, drawing->drawing_area->style->black_gc);
698 }
699 #endif //0
700 TimeWindow time_window =
701 lttvwindow_get_time_window(control_flow_data->tab);
702 LttTime current_time =
703 lttvwindow_get_current_time(control_flow_data->tab);
704
705 guint cursor_x=0;
706
707 LttTime window_end = time_window.end_time;
708
709 /* update the screen from the pixmap buffer */
710 #if 0
711 gdk_draw_pixmap(widget->window,
712 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
713 drawing->pixmap,
714 event->area.x, event->area.y,
715 event->area.x, event->area.y,
716 event->area.width, event->area.height);
717 #endif //0
718 drawing->height = processlist_get_height(control_flow_data->process_list);
719 #if 0
720 copy_pixmap_to_screen(control_flow_data->process_list,
721 widget->window,
722 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
723 event->area.x, event->area.y,
724 event->area.width, event->area.height);
725 #endif //0
726 copy_pixmap_to_screen(control_flow_data->process_list,
727 widget->window,
728 drawing->gc,
729 event->area.x, event->area.y,
730 event->area.width, event->area.height);
731
732
733 /* Erase the dotted lines left.. */
734 if(widget->allocation.height > drawing->height)
735 {
736 gdk_draw_rectangle (widget->window,
737 drawing->drawing_area->style->black_gc,
738 TRUE,
739 event->area.x, drawing->height,
740 event->area.width, // do not overlap
741 widget->allocation.height - drawing->height);
742 }
743 if(ltt_time_compare(time_window.start_time, current_time) <= 0 &&
744 ltt_time_compare(window_end, current_time) >= 0)
745 {
746 /* Draw the dotted lines */
747 convert_time_to_pixels(
748 time_window,
749 current_time,
750 drawing->width,
751 &cursor_x);
752
753 #if 0
754 if(drawing->dotted_gc == NULL) {
755
756 drawing->dotted_gc = gdk_gc_new(drawing->drawing_area->window);
757 gdk_gc_copy(drawing->dotted_gc, widget->style->white_gc);
758
759 gint8 dash_list[] = { 1, 2 };
760 gdk_gc_set_line_attributes(drawing->dotted_gc,
761 1,
762 GDK_LINE_ON_OFF_DASH,
763 GDK_CAP_BUTT,
764 GDK_JOIN_MITER);
765 gdk_gc_set_dashes(drawing->dotted_gc,
766 0,
767 dash_list,
768 2);
769 }
770 #endif //0
771 gint height_tot = MAX(widget->allocation.height, drawing->height);
772 gdk_draw_line(widget->window,
773 drawing->dotted_gc,
774 cursor_x, 0,
775 cursor_x, height_tot);
776 }
777 return FALSE;
778 }
779
780 static gboolean
781 after_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
782 {
783 //g_assert(0);
784 g_debug("AFTER EXPOSE");
785
786 return FALSE;
787
788
789 }
790
791 #if 0
792 void
793 tree_row_activated(GtkTreeModel *treemodel,
794 GtkTreePath *arg1,
795 GtkTreeViewColumn *arg2,
796 gpointer user_data)
797 {
798 ControlFlowData *cfd = (ControlFlowData*)user_data;
799 Drawing_t *drawing = cfd->drawing;
800 GtkTreeView *treeview = cfd->process_list->process_list_widget;
801 gint *path_indices;
802 gint height;
803
804 path_indices = gtk_tree_path_get_indices (arg1);
805
806 height = get_cell_height(cfd->process_list,
807 GTK_TREE_VIEW(treeview));
808 drawing->horizontal_sel = height * path_indices[0];
809 g_critical("new hor sel : %i", drawing->horizontal_sel);
810 }
811 #endif //0
812
813 /* mouse click */
814 static gboolean
815 button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
816 {
817 ControlFlowData *control_flow_data =
818 (ControlFlowData*)g_object_get_data(
819 G_OBJECT(widget),
820 "control_flow_data");
821 Drawing_t *drawing = control_flow_data->drawing;
822 TimeWindow time_window =
823 lttvwindow_get_time_window(control_flow_data->tab);
824
825 g_debug("click");
826 if(event->button == 1)
827 {
828 LttTime time;
829
830 /* left mouse button click */
831 g_debug("x click is : %f", event->x);
832
833 convert_pixels_to_time(drawing->width, (guint)event->x,
834 time_window,
835 &time);
836
837 lttvwindow_report_current_time(control_flow_data->tab, time);
838
839 }
840
841 return FALSE;
842 }
843
844 static gboolean
845 scrollbar_size_allocate(GtkWidget *widget,
846 GtkAllocation *allocation,
847 gpointer user_data)
848 {
849 Drawing_t *drawing = (Drawing_t*)user_data;
850
851 gtk_widget_set_size_request(drawing->padding, allocation->width, -1);
852 //gtk_widget_queue_resize(drawing->padding);
853 //gtk_widget_queue_resize(drawing->ruler);
854 gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
855 return 0;
856 }
857
858
859
860 Drawing_t *drawing_construct(ControlFlowData *control_flow_data)
861 {
862 Drawing_t *drawing = g_new(Drawing_t, 1);
863
864 drawing->control_flow_data = control_flow_data;
865
866 drawing->vbox = gtk_vbox_new(FALSE, 1);
867
868
869 drawing->ruler_hbox = gtk_hbox_new(FALSE, 1);
870 drawing->ruler = gtk_drawing_area_new ();
871 //gtk_widget_set_size_request(drawing->ruler, -1, 27);
872
873 drawing->padding = gtk_drawing_area_new ();
874 //gtk_widget_set_size_request(drawing->padding, -1, 27);
875 gtk_box_pack_start(GTK_BOX(drawing->ruler_hbox), drawing->ruler,
876 TRUE, TRUE, 0);
877 gtk_box_pack_end(GTK_BOX(drawing->ruler_hbox), drawing->padding,
878 FALSE, FALSE, 0);
879
880
881
882 drawing->drawing_area = gtk_drawing_area_new ();
883
884 drawing->gc = NULL;
885
886 drawing->hbox = gtk_hbox_new(FALSE, 1);
887 drawing->viewport = gtk_viewport_new(NULL, control_flow_data->v_adjust);
888 drawing->scrollbar = gtk_vscrollbar_new(control_flow_data->v_adjust);
889 gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport,
890 TRUE, TRUE, 0);
891 gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar,
892 FALSE, FALSE, 0);
893
894 //drawing->scrolled_window =
895 // gtk_scrolled_window_new (NULL,
896 // control_flow_data->v_adjust);
897
898 //gtk_scrolled_window_set_policy(
899 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
900 // GTK_POLICY_NEVER,
901 // GTK_POLICY_AUTOMATIC);
902
903 gtk_container_add(GTK_CONTAINER(drawing->viewport),
904 drawing->drawing_area);
905 //gtk_scrolled_window_add_with_viewport(
906 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
907 // drawing->drawing_area);
908
909 gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox,
910 FALSE, FALSE, 0);
911 gtk_box_pack_end(GTK_BOX(drawing->vbox), drawing->hbox,
912 TRUE, TRUE, 0);
913
914 drawing->pango_layout =
915 gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
916
917 drawing->height = 1;
918 drawing->width = 1;
919 drawing->depth = 0;
920 drawing->alloc_height = 1;
921 drawing->alloc_width = 1;
922
923 drawing->damage_begin = 0;
924 drawing->damage_end = 0;
925 drawing->horizontal_sel = -1;
926
927 //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
928 g_object_set_data_full(
929 G_OBJECT(drawing->drawing_area),
930 "Link_drawing_Data",
931 drawing,
932 (GDestroyNotify)drawing_destroy);
933
934 g_object_set_data(
935 G_OBJECT(drawing->ruler),
936 "drawing",
937 drawing);
938
939
940 //gtk_widget_modify_bg( drawing->drawing_area,
941 // GTK_STATE_NORMAL,
942 // &CF_Colors[BLACK]);
943
944 //gdk_window_get_geometry(drawing->drawing_area->window,
945 // NULL, NULL,
946 // &(drawing->width),
947 // &(drawing->height),
948 // -1);
949
950 //drawing->pixmap = gdk_pixmap_new(
951 // drawing->drawing_area->window,
952 // drawing->width,
953 // drawing->height,
954 // drawing->depth);
955
956 //drawing->pixmap = NULL;
957
958 // drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
959 // drawing->drawing_area->allocation.width,
960 // drawing->drawing_area->allocation.height,
961 // -1);
962
963 g_signal_connect (G_OBJECT(drawing->drawing_area),
964 "configure_event",
965 G_CALLBACK (configure_event),
966 (gpointer)drawing);
967
968 g_signal_connect (G_OBJECT(drawing->ruler),
969 "expose_event",
970 G_CALLBACK(expose_ruler),
971 (gpointer)drawing);
972
973 gtk_widget_add_events(drawing->ruler, GDK_POINTER_MOTION_MASK);
974
975 g_signal_connect (G_OBJECT(drawing->ruler),
976 "motion-notify-event",
977 G_CALLBACK(motion_notify_ruler),
978 (gpointer)drawing);
979
980
981 g_signal_connect (G_OBJECT(drawing->scrollbar),
982 "size-allocate",
983 G_CALLBACK(scrollbar_size_allocate),
984 (gpointer)drawing);
985
986
987
988 g_signal_connect (G_OBJECT(drawing->drawing_area),
989 "expose_event",
990 G_CALLBACK (expose_event),
991 (gpointer)drawing);
992
993 g_signal_connect_after (G_OBJECT(drawing->drawing_area),
994 "expose_event",
995 G_CALLBACK (after_expose_event),
996 (gpointer)drawing);
997
998 g_signal_connect (G_OBJECT(drawing->drawing_area),
999 "button-press-event",
1000 G_CALLBACK (button_press_event),
1001 (gpointer)drawing);
1002
1003
1004 gtk_widget_show(drawing->ruler);
1005 gtk_widget_show(drawing->padding);
1006 gtk_widget_show(drawing->ruler_hbox);
1007
1008 gtk_widget_show(drawing->drawing_area);
1009 //gtk_widget_show(drawing->scrolled_window);
1010 gtk_widget_show(drawing->viewport);
1011 gtk_widget_show(drawing->scrollbar);
1012 gtk_widget_show(drawing->hbox);
1013
1014 /* Allocate the colors */
1015 GdkColormap* colormap = gdk_colormap_get_system();
1016 gboolean success[NUM_COLORS];
1017 gdk_colormap_alloc_colors(colormap, drawing_colors, NUM_COLORS, FALSE,
1018 TRUE, success);
1019
1020 drawing->gc =
1021 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1022 drawing->dotted_gc =
1023 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1024
1025 gdk_gc_copy(drawing->gc,
1026 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1027 gdk_gc_copy(drawing->dotted_gc,
1028 main_window_get_widget(control_flow_data->tab)->style->white_gc);
1029
1030 gint8 dash_list[] = { 1, 2 };
1031 gdk_gc_set_line_attributes(drawing->dotted_gc,
1032 1,
1033 GDK_LINE_ON_OFF_DASH,
1034 GDK_CAP_BUTT,
1035 GDK_JOIN_MITER);
1036 gdk_gc_set_dashes(drawing->dotted_gc,
1037 0,
1038 dash_list,
1039 2);
1040
1041 drawing->ruler_gc_butt =
1042 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1043 gdk_gc_copy(drawing->ruler_gc_butt,
1044 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1045 drawing->ruler_gc_round =
1046 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1047 gdk_gc_copy(drawing->ruler_gc_round,
1048 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1049
1050
1051 gdk_gc_set_line_attributes(drawing->ruler_gc_butt,
1052 2,
1053 GDK_LINE_SOLID,
1054 GDK_CAP_BUTT,
1055 GDK_JOIN_MITER);
1056
1057 gdk_gc_set_line_attributes(drawing->ruler_gc_round,
1058 2,
1059 GDK_LINE_SOLID,
1060 GDK_CAP_ROUND,
1061 GDK_JOIN_ROUND);
1062
1063
1064 return drawing;
1065 }
1066
1067 void drawing_destroy(Drawing_t *drawing)
1068 {
1069 g_info("drawing_destroy %p", drawing);
1070
1071 /* Free the colors */
1072 GdkColormap* colormap = gdk_colormap_get_system();
1073
1074 gdk_colormap_free_colors(colormap, drawing_colors, NUM_COLORS);
1075
1076
1077
1078 // Do not unref here, Drawing_t destroyed by it's widget.
1079 //g_object_unref( G_OBJECT(drawing->drawing_area));
1080 if(drawing->gc != NULL)
1081 gdk_gc_unref(drawing->gc);
1082
1083 g_object_unref(drawing->pango_layout);
1084 if(drawing->dotted_gc != NULL) gdk_gc_unref(drawing->dotted_gc);
1085 if(drawing->ruler_gc_butt != NULL) gdk_gc_unref(drawing->ruler_gc_butt);
1086 if(drawing->ruler_gc_round != NULL) gdk_gc_unref(drawing->ruler_gc_round);
1087
1088 g_free(drawing);
1089 g_info("drawing_destroy end");
1090 }
1091
1092 GtkWidget *drawing_get_drawing_area(Drawing_t *drawing)
1093 {
1094 return drawing->drawing_area;
1095 }
1096
1097 GtkWidget *drawing_get_widget(Drawing_t *drawing)
1098 {
1099 return drawing->vbox;
1100 }
1101
1102 void drawing_draw_line( Drawing_t *drawing,
1103 GdkPixmap *pixmap,
1104 guint x1, guint y1,
1105 guint x2, guint y2,
1106 GdkGC *GC)
1107 {
1108 gdk_draw_line (pixmap,
1109 GC,
1110 x1, y1, x2, y2);
1111 }
1112
1113 void drawing_clear(Drawing_t *drawing)
1114 {
1115 //if (drawing->pixmap)
1116 // gdk_pixmap_unref(drawing->pixmap);
1117 ControlFlowData *cfd = drawing->control_flow_data;
1118
1119
1120 rectangle_pixmap(cfd->process_list,
1121 drawing->drawing_area->style->black_gc,
1122 TRUE,
1123 0, 0,
1124 drawing->alloc_width, // do not overlap
1125 -1);
1126
1127 //drawing->height = 1;
1128 /* Allocate a new pixmap with new height */
1129 //drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1130 // drawing->width + SAFETY + EXTRA_ALLOC,
1131 // drawing->height + EXTRA_ALLOC,
1132 // -1);
1133 //drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1134 //drawing->alloc_height = drawing->height + EXTRA_ALLOC;
1135
1136 //gtk_widget_set_size_request(drawing->drawing_area,
1137 // -1,
1138 // drawing->height);
1139 //gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1140
1141 /* ask for the buffer to be redrawn */
1142 gtk_widget_queue_draw ( drawing->drawing_area);
1143 }
1144
1145 #if 0
1146 /* Insert a square corresponding to a new process in the list */
1147 /* Applies to whole drawing->width */
1148 void drawing_insert_square(Drawing_t *drawing,
1149 guint y,
1150 guint height)
1151 {
1152 //GdkRectangle update_rect;
1153 gboolean reallocate = FALSE;
1154 GdkPixmap *new_pixmap;
1155
1156 /* Allocate a new pixmap with new height */
1157 if(drawing->alloc_height < drawing->height + height) {
1158
1159 new_pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1160 drawing->width + SAFETY + EXTRA_ALLOC,
1161 drawing->height + height + EXTRA_ALLOC,
1162 -1);
1163 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1164 drawing->alloc_height = drawing->height + height + EXTRA_ALLOC;
1165 reallocate = TRUE;
1166
1167 /* Copy the high region */
1168 gdk_draw_pixmap (new_pixmap,
1169 drawing->drawing_area->style->black_gc,
1170 drawing->pixmap,
1171 0, 0,
1172 0, 0,
1173 drawing->width + SAFETY, y);
1174
1175 } else {
1176 new_pixmap = drawing->pixmap;
1177 }
1178
1179 //GdkPixmap *pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1180 // drawing->width + SAFETY,
1181 // drawing->height + height,
1182 // -1);
1183
1184 /* add an empty square */
1185 gdk_draw_rectangle (new_pixmap,
1186 drawing->drawing_area->style->black_gc,
1187 TRUE,
1188 0, y,
1189 drawing->width + SAFETY, // do not overlap
1190 height);
1191
1192 /* copy the bottom of the region */
1193 gdk_draw_pixmap (new_pixmap,
1194 drawing->drawing_area->style->black_gc,
1195 drawing->pixmap,
1196 0, y,
1197 0, y + height,
1198 drawing->width+SAFETY, drawing->height - y);
1199
1200
1201 if(reallocate && likely(drawing->pixmap)) {
1202 gdk_pixmap_unref(drawing->pixmap);
1203 drawing->pixmap = new_pixmap;
1204 }
1205
1206 if(unlikely(drawing->height==1)) drawing->height = height;
1207 else drawing->height += height;
1208
1209 gtk_widget_set_size_request(drawing->drawing_area,
1210 -1,
1211 drawing->height);
1212 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1213
1214 /* ask for the buffer to be redrawn */
1215 gtk_widget_queue_draw_area ( drawing->drawing_area,
1216 0, y,
1217 drawing->width, drawing->height-y);
1218 }
1219
1220
1221 /* Remove a square corresponding to a removed process in the list */
1222 void drawing_remove_square(Drawing_t *drawing,
1223 guint y,
1224 guint height)
1225 {
1226 GdkPixmap *pixmap;
1227
1228 if(unlikely((guint)drawing->height == height)) {
1229 //pixmap = gdk_pixmap_new(
1230 // drawing->drawing_area->window,
1231 // drawing->width + SAFETY,
1232 // 1,
1233 // -1);
1234 pixmap = drawing->pixmap;
1235 drawing->height=1;
1236 } else {
1237 /* Allocate a new pixmap with new height */
1238 //pixmap = gdk_pixmap_new(
1239 // drawing->drawing_area->window,
1240 // drawing->width + SAFETY,
1241 // drawing->height - height,
1242 // -1);
1243 /* Keep the same preallocated pixmap */
1244 pixmap = drawing->pixmap;
1245
1246 /* Copy the high region */
1247 gdk_draw_pixmap (pixmap,
1248 drawing->drawing_area->style->black_gc,
1249 drawing->pixmap,
1250 0, 0,
1251 0, 0,
1252 drawing->width + SAFETY, y);
1253
1254 /* Copy up the bottom of the region */
1255 gdk_draw_pixmap (pixmap,
1256 drawing->drawing_area->style->black_gc,
1257 drawing->pixmap,
1258 0, y + height,
1259 0, y,
1260 drawing->width, drawing->height - y - height);
1261
1262 drawing->height-=height;
1263 }
1264
1265 //if(likely(drawing->pixmap))
1266 // gdk_pixmap_unref(drawing->pixmap);
1267
1268 //drawing->pixmap = pixmap;
1269
1270 gtk_widget_set_size_request(drawing->drawing_area,
1271 -1,
1272 drawing->height);
1273 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1274 /* ask for the buffer to be redrawn */
1275 gtk_widget_queue_draw_area ( drawing->drawing_area,
1276 0, y,
1277 drawing->width, MAX(drawing->height-y, 1));
1278 }
1279 #endif //0
1280
1281 void drawing_update_ruler(Drawing_t *drawing, TimeWindow *time_window)
1282 {
1283 gtk_widget_queue_draw(drawing->ruler);
1284 }
1285
1286 /* Redraw the ruler */
1287 static gboolean
1288 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
1289 {
1290 Drawing_t *drawing = (Drawing_t*)user_data;
1291 TimeWindow time_window = lttvwindow_get_time_window(drawing->control_flow_data->tab);
1292 gchar text[255];
1293
1294 PangoContext *context;
1295 PangoLayout *layout;
1296 PangoFontDescription *FontDesc;
1297 PangoRectangle ink_rect;
1298 gint global_width=0;
1299 GdkColor foreground = { 0, 0, 0, 0 };
1300 GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
1301
1302 LttTime window_end = time_window.end_time;
1303 LttTime half_width =
1304 ltt_time_div(time_window.time_width,2.0);
1305 LttTime window_middle =
1306 ltt_time_add(half_width,
1307 time_window.start_time);
1308 g_debug("ruler expose event");
1309
1310 gdk_draw_rectangle (drawing->ruler->window,
1311 drawing->ruler->style->white_gc,
1312 TRUE,
1313 event->area.x, event->area.y,
1314 event->area.width,
1315 event->area.height);
1316
1317 gdk_draw_line (drawing->ruler->window,
1318 drawing->ruler_gc_butt,
1319 event->area.x, 1,
1320 event->area.x + event->area.width, 1);
1321
1322
1323 snprintf(text, 255, "%lus\n%luns",
1324 time_window.start_time.tv_sec,
1325 time_window.start_time.tv_nsec);
1326
1327 layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
1328
1329 context = pango_layout_get_context(layout);
1330 FontDesc = pango_context_get_font_description(context);
1331
1332 pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
1333 pango_layout_context_changed(layout);
1334
1335 pango_layout_set_text(layout, text, -1);
1336 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1337 global_width += ink_rect.width;
1338
1339 gdk_draw_layout_with_colors(drawing->ruler->window,
1340 drawing->ruler_gc_butt,
1341 0,
1342 6,
1343 layout, &foreground, &background);
1344
1345 gdk_draw_line (drawing->ruler->window,
1346 drawing->ruler_gc_round,
1347 1, 1,
1348 1, 7);
1349
1350
1351 snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
1352 window_end.tv_nsec);
1353
1354 pango_layout_set_text(layout, text, -1);
1355 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1356 global_width += ink_rect.width;
1357
1358 if(global_width <= drawing->ruler->allocation.width)
1359 {
1360 gdk_draw_layout_with_colors(drawing->ruler->window,
1361 drawing->ruler_gc_butt,
1362 drawing->ruler->allocation.width - ink_rect.width,
1363 6,
1364 layout, &foreground, &background);
1365
1366 gdk_draw_line (drawing->ruler->window,
1367 drawing->ruler_gc_butt,
1368 drawing->ruler->allocation.width-1, 1,
1369 drawing->ruler->allocation.width-1, 7);
1370 }
1371
1372
1373 snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
1374 window_middle.tv_nsec);
1375
1376 pango_layout_set_text(layout, text, -1);
1377 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1378 global_width += ink_rect.width;
1379
1380 if(global_width <= drawing->ruler->allocation.width)
1381 {
1382 gdk_draw_layout_with_colors(drawing->ruler->window,
1383 drawing->ruler_gc_butt,
1384 (drawing->ruler->allocation.width - ink_rect.width)/2,
1385 6,
1386 layout, &foreground, &background);
1387
1388 gdk_draw_line (drawing->ruler->window,
1389 drawing->ruler_gc_butt,
1390 drawing->ruler->allocation.width/2, 1,
1391 drawing->ruler->allocation.width/2, 7);
1392
1393
1394
1395
1396 }
1397
1398 g_object_unref(layout);
1399
1400 return FALSE;
1401 }
1402
1403
1404 /* notify mouse on ruler */
1405 static gboolean
1406 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
1407 {
1408 //g_debug("motion");
1409 //eventually follow mouse and show time here
1410 return 0;
1411 }
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