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Fix tar.gz build by removing legacy include to ltt directory
[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_USERSPACE,
416 LTT_EVENT_THREAD_BRAND,
417 FIELD_ARRAY(LTT_FIELD_NAME),
418 after_user_generic_thread_brand_hook,
419 events_request,
420 &hooks);
421
422 lttv_trace_find_hook(ts->parent.t,
423 LTT_CHANNEL_TASK_STATE,
424 LTT_EVENT_PROCESS_STATE,
425 FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME),
426 after_event_enum_process_hook,
427 events_request,
428 &hooks);
429
430
431 /* Add these hooks to each event_by_id_channel hooks list */
432 /* add before */
433 for(k = 0 ; k < first_after ; k++) {
434 th = &g_array_index(hooks, LttvTraceHook, k);
435 lttv_hooks_add(lttv_hooks_by_id_channel_find(event_by_id_channel,
436 th->channel, th->id),
437 th->h,
438 th,
439 LTTV_PRIO_STATE-5);
440 }
441
442 /* add after */
443 for(k = first_after ; k < hooks->len ; k++) {
444 th = &g_array_index(hooks, LttvTraceHook, k);
445 lttv_hooks_add(lttv_hooks_by_id_channel_find(event_by_id_channel,
446 th->channel, th->id),
447 th->h,
448 th,
449 LTTV_PRIO_STATE+5);
450 }
451
452 events_request->hooks = hooks;
453 #endif //babel_cleanup
454 // Fill the events request
455 events_request->owner = control_flow_data;
456 events_request->viewer_data = control_flow_data;
457 events_request->servicing = FALSE;
458 events_request->start_time = start;
459 events_request->start_position = NULL;
460 events_request->stop_flag = FALSE;
461 events_request->end_time = time_end;
462 events_request->num_events = G_MAXUINT;
463 events_request->end_position = NULL;
464 events_request->trace = i; //fixed /* FIXME */
465 events_request->before_chunk_traceset = before_chunk_traceset;
466 events_request->before_chunk_trace = NULL;
467 events_request->before_chunk_tracefile = NULL;
468 events_request->event = event_hook;
469 events_request->after_chunk_tracefile = NULL;
470 events_request->after_chunk_trace = NULL;
471 events_request->after_chunk_traceset = after_chunk_traceset;
472 events_request->before_request = before_request_hook;
473 events_request->after_request = after_request_hook;
474
475 g_debug("req : start : %lu, %lu", start.tv_sec,
476 start.tv_nsec);
477
478 g_debug("req : end : %lu, %lu", time_end.tv_sec,
479 time_end.tv_nsec);
480
481 lttvwindow_events_request(tab, events_request);
482 }
483
484
485 }
486 }
487
488
489 static void set_last_start(gpointer key, gpointer value, gpointer user_data)
490 {
491 HashedProcessData *hashed_process_data = (HashedProcessData*)value;
492 guint x = GPOINTER_TO_UINT(user_data);
493
494 hashed_process_data->x.over = x;
495 hashed_process_data->x.over_used = FALSE;
496 hashed_process_data->x.over_marked = FALSE;
497 hashed_process_data->x.middle = x;
498 hashed_process_data->x.middle_used = FALSE;
499 hashed_process_data->x.middle_marked = FALSE;
500 hashed_process_data->x.under = x;
501 hashed_process_data->x.under_used = FALSE;
502 hashed_process_data->x.under_marked = FALSE;
503 hashed_process_data->next_good_time = ltt_time_zero;
504
505 return;
506 }
507 void drawing_data_request_begin(EventsRequest *events_request)
508 {
509 g_debug("Begin of data request");
510 ControlFlowData *cfd = events_request->viewer_data;
511 TimeWindow time_window =
512 lttvwindow_get_time_window(cfd->tab);
513
514 guint width = cfd->drawing->width;
515 guint x=0;
516
517 cfd->drawing->last_start = events_request->start_time;
518
519 convert_time_to_pixels(
520 time_window,
521 events_request->start_time,
522 width,
523 &x);
524
525 g_hash_table_foreach(cfd->process_list->process_hash, set_last_start,
526 GUINT_TO_POINTER(x));
527
528 }
529 void drawing_chunk_begin(EventsRequest *events_request, LttvTraceset *ts)
530 {
531 g_debug("Begin of chunk");
532 ControlFlowData *cfd = events_request->viewer_data;
533 //LttTime current_time = lttv_traceset_context_get_current_tfc(tsc)->timestamp;
534 guint i;
535 guint nb_trace = lttv_traceset_number(ts);
536
537 if(!cfd->process_list->current_hash_data) {
538 cfd->process_list->current_hash_data = g_new(HashedProcessData**,nb_trace);
539 for(i = 0 ; i < nb_trace ; i++) {
540 guint num_cpu = lttv_trace_get_num_cpu( lttv_traceset_get(ts, i));
541 cfd->process_list->current_hash_data[i] = g_new(HashedProcessData*,num_cpu);
542 memset(cfd->process_list->current_hash_data[i], 0,
543 sizeof(HashedProcessData*)*num_cpu);
544 }
545 }
546 //cfd->drawing->last_start = LTT_TIME_MIN(current_time,
547 // events_request->end_time);
548 }
549
550
551 void drawing_request_expose(EventsRequest *events_request,
552 LttTime end_time)
553 {
554 gint x, width;
555 guint x_end;
556
557 ControlFlowData *cfd = events_request->viewer_data;
558 Drawing_t *drawing = cfd->drawing;
559
560 TimeWindow time_window = lttvwindow_get_time_window(cfd->tab);
561
562 g_debug("request expose");
563
564 convert_time_to_pixels(
565 time_window,
566 end_time,
567 drawing->width,
568 &x_end);
569 x = drawing->damage_begin;
570
571 width = x_end - x;
572
573 drawing->damage_begin = x+width;
574
575 // FIXME ?
576 gtk_widget_queue_draw_area ( drawing->drawing_area,
577 x, 0,
578 width, drawing->drawing_area->allocation.height);
579
580 /* Update directly when scrolling */
581 gdk_window_process_updates(drawing->drawing_area->window,
582 TRUE);
583 }
584
585 /* Callbacks */
586
587
588 /* Create a new backing pixmap of the appropriate size */
589 /* As the scaling will always change, it's of no use to copy old
590 * pixmap.
591 *
592 * Only change the size if width changes. The height is specified and changed
593 * when process ID are added or removed from the process list.
594 */
595 static gboolean
596 configure_event( GtkWidget *widget, GdkEventConfigure *event,
597 gpointer user_data)
598 {
599 Drawing_t *drawing = (Drawing_t*)user_data;
600
601
602 /* First, get the new time interval of the main window */
603 /* we assume (see documentation) that the main window
604 * has updated the time interval before this configure gets
605 * executed.
606 */
607 //lttvwindow_get_time_window(drawing->control_flow_data->mw,
608 // &drawing->control_flow_data->time_window);
609
610 /* New pixmap, size of the configure event */
611 //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
612 // widget->allocation.width + SAFETY,
613 // widget->allocation.height + SAFETY,
614 // -1);
615
616 if(widget->allocation.width != drawing->width) {
617 g_debug("drawing configure event");
618 g_debug("New alloc draw size : %i by %i",widget->allocation.width,
619 widget->allocation.height);
620
621 drawing->width = widget->allocation.width;
622
623 if(drawing->alloc_width < widget->allocation.width) {
624 //if(drawing->pixmap)
625 // gdk_pixmap_unref(drawing->pixmap);
626
627 //drawing->pixmap = gdk_pixmap_new(widget->window,
628 // drawing->width + SAFETY + EXTRA_ALLOC,
629 // drawing->height + EXTRA_ALLOC,
630 // -1);
631 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
632 drawing->alloc_height = drawing->height + EXTRA_ALLOC;
633 update_pixmap_size(drawing->control_flow_data->process_list,
634 drawing->alloc_width);
635 update_index_to_pixmap(drawing->control_flow_data->process_list);
636 }
637 drawing->height = widget->allocation.height;
638
639 //ProcessList_get_height
640 // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
641
642
643 // Clear the image
644 //gdk_draw_rectangle (drawing->pixmap,
645 // widget->style->black_gc,
646 // TRUE,
647 // 0, 0,
648 // drawing->width+SAFETY,
649 // drawing->height);
650
651 //g_info("init data request");
652
653
654 /* Initial data request */
655 /* no, do initial data request in the expose event */
656 // Do not need to ask for data of 1 pixel : not synchronized with
657 // main window time at this moment.
658 //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
659 // widget->allocation.width,
660 // widget->allocation.height);
661
662 //drawing->width = widget->allocation.width;
663 //drawing->height = widget->allocation.height;
664
665 drawing->damage_begin = 0;
666 drawing->damage_end = widget->allocation.width;
667
668 if((widget->allocation.width != 1 &&
669 widget->allocation.height != 1)
670 && drawing->damage_begin < drawing->damage_end)
671 {
672
673 rectangle_pixmap (drawing->control_flow_data->process_list,
674 drawing->drawing_area->style->black_gc,
675 TRUE,
676 0, 0,
677 drawing->alloc_width, // do not overlap
678 -1);
679
680
681 drawing_data_request(drawing,
682 drawing->damage_begin,
683 0,
684 drawing->damage_end - drawing->damage_begin,
685 drawing->height);
686 }
687 }
688 return TRUE;
689 }
690
691
692 /* Redraw the screen from the backing pixmap */
693 static gboolean
694 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
695 {
696 Drawing_t *drawing = (Drawing_t*)user_data;
697
698 ControlFlowData *control_flow_data =
699 (ControlFlowData*)g_object_get_data(
700 G_OBJECT(widget),
701 "control_flow_data");
702 #if 0
703 if(unlikely(drawing->gc == NULL)) {
704 drawing->gc = gdk_gc_new(drawing->drawing_area->window);
705 gdk_gc_copy(drawing->gc, drawing->drawing_area->style->black_gc);
706 }
707 #endif //0
708 TimeWindow time_window =
709 lttvwindow_get_time_window(control_flow_data->tab);
710 LttTime current_time =
711 lttvwindow_get_current_time(control_flow_data->tab);
712
713 guint cursor_x=0;
714
715 LttTime window_end = time_window.end_time;
716
717 /* update the screen from the pixmap buffer */
718 #if 0
719 gdk_draw_pixmap(widget->window,
720 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
721 drawing->pixmap,
722 event->area.x, event->area.y,
723 event->area.x, event->area.y,
724 event->area.width, event->area.height);
725 #endif //0
726 drawing->height = processlist_get_height(control_flow_data->process_list);
727 #if 0
728 copy_pixmap_to_screen(control_flow_data->process_list,
729 widget->window,
730 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
731 event->area.x, event->area.y,
732 event->area.width, event->area.height);
733 #endif //0
734 copy_pixmap_to_screen(control_flow_data->process_list,
735 widget->window,
736 drawing->gc,
737 event->area.x, event->area.y,
738 event->area.width, event->area.height);
739
740
741 /* Erase the dotted lines left.. */
742 if(widget->allocation.height > drawing->height)
743 {
744 gdk_draw_rectangle (widget->window,
745 drawing->drawing_area->style->black_gc,
746 TRUE,
747 event->area.x, drawing->height,
748 event->area.width, // do not overlap
749 widget->allocation.height - drawing->height);
750 }
751 if(ltt_time_compare(time_window.start_time, current_time) <= 0 &&
752 ltt_time_compare(window_end, current_time) >= 0)
753 {
754 /* Draw the dotted lines */
755 convert_time_to_pixels(
756 time_window,
757 current_time,
758 drawing->width,
759 &cursor_x);
760
761 #if 0
762 if(drawing->dotted_gc == NULL) {
763
764 drawing->dotted_gc = gdk_gc_new(drawing->drawing_area->window);
765 gdk_gc_copy(drawing->dotted_gc, widget->style->white_gc);
766
767 gint8 dash_list[] = { 1, 2 };
768 gdk_gc_set_line_attributes(drawing->dotted_gc,
769 1,
770 GDK_LINE_ON_OFF_DASH,
771 GDK_CAP_BUTT,
772 GDK_JOIN_MITER);
773 gdk_gc_set_dashes(drawing->dotted_gc,
774 0,
775 dash_list,
776 2);
777 }
778 #endif //0
779 gint height_tot = MAX(widget->allocation.height, drawing->height);
780 gdk_draw_line(widget->window,
781 drawing->dotted_gc,
782 cursor_x, 0,
783 cursor_x, height_tot);
784 }
785 return FALSE;
786 }
787
788 static gboolean
789 after_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
790 {
791 //g_assert(0);
792 g_debug("AFTER EXPOSE");
793
794 return FALSE;
795
796
797 }
798
799 #if 0
800 void
801 tree_row_activated(GtkTreeModel *treemodel,
802 GtkTreePath *arg1,
803 GtkTreeViewColumn *arg2,
804 gpointer user_data)
805 {
806 ControlFlowData *cfd = (ControlFlowData*)user_data;
807 Drawing_t *drawing = cfd->drawing;
808 GtkTreeView *treeview = cfd->process_list->process_list_widget;
809 gint *path_indices;
810 gint height;
811
812 path_indices = gtk_tree_path_get_indices (arg1);
813
814 height = get_cell_height(cfd->process_list,
815 GTK_TREE_VIEW(treeview));
816 drawing->horizontal_sel = height * path_indices[0];
817 g_critical("new hor sel : %i", drawing->horizontal_sel);
818 }
819 #endif //0
820
821 /* mouse click */
822 static gboolean
823 button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
824 {
825 ControlFlowData *control_flow_data =
826 (ControlFlowData*)g_object_get_data(
827 G_OBJECT(widget),
828 "control_flow_data");
829 Drawing_t *drawing = control_flow_data->drawing;
830 TimeWindow time_window =
831 lttvwindow_get_time_window(control_flow_data->tab);
832
833 g_debug("click");
834 if(event->button == 1)
835 {
836 LttTime time;
837
838 /* left mouse button click */
839 g_debug("x click is : %f", event->x);
840
841 convert_pixels_to_time(drawing->width, (guint)event->x,
842 time_window,
843 &time);
844
845 lttvwindow_report_current_time(control_flow_data->tab, time);
846
847 }
848
849 return FALSE;
850 }
851
852 static gboolean
853 scrollbar_size_allocate(GtkWidget *widget,
854 GtkAllocation *allocation,
855 gpointer user_data)
856 {
857 Drawing_t *drawing = (Drawing_t*)user_data;
858
859 gtk_widget_set_size_request(drawing->padding, allocation->width, -1);
860 //gtk_widget_queue_resize(drawing->padding);
861 //gtk_widget_queue_resize(drawing->ruler);
862 gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
863 return 0;
864 }
865
866
867
868 Drawing_t *drawing_construct(ControlFlowData *control_flow_data)
869 {
870 Drawing_t *drawing = g_new(Drawing_t, 1);
871
872 drawing->control_flow_data = control_flow_data;
873
874 drawing->vbox = gtk_vbox_new(FALSE, 1);
875
876
877 drawing->ruler_hbox = gtk_hbox_new(FALSE, 1);
878 drawing->ruler = gtk_drawing_area_new ();
879 //gtk_widget_set_size_request(drawing->ruler, -1, 27);
880
881 drawing->padding = gtk_drawing_area_new ();
882 //gtk_widget_set_size_request(drawing->padding, -1, 27);
883 gtk_box_pack_start(GTK_BOX(drawing->ruler_hbox), drawing->ruler,
884 TRUE, TRUE, 0);
885 gtk_box_pack_end(GTK_BOX(drawing->ruler_hbox), drawing->padding,
886 FALSE, FALSE, 0);
887
888
889
890 drawing->drawing_area = gtk_drawing_area_new ();
891
892 drawing->gc = NULL;
893
894 drawing->hbox = gtk_hbox_new(FALSE, 1);
895 drawing->viewport = gtk_viewport_new(NULL, control_flow_data->v_adjust);
896 drawing->scrollbar = gtk_vscrollbar_new(control_flow_data->v_adjust);
897 gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport,
898 TRUE, TRUE, 0);
899 gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar,
900 FALSE, FALSE, 0);
901
902 //drawing->scrolled_window =
903 // gtk_scrolled_window_new (NULL,
904 // control_flow_data->v_adjust);
905
906 //gtk_scrolled_window_set_policy(
907 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
908 // GTK_POLICY_NEVER,
909 // GTK_POLICY_AUTOMATIC);
910
911 gtk_container_add(GTK_CONTAINER(drawing->viewport),
912 drawing->drawing_area);
913 //gtk_scrolled_window_add_with_viewport(
914 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
915 // drawing->drawing_area);
916
917 gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox,
918 FALSE, FALSE, 0);
919 gtk_box_pack_end(GTK_BOX(drawing->vbox), drawing->hbox,
920 TRUE, TRUE, 0);
921
922 drawing->pango_layout =
923 gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
924
925 drawing->height = 1;
926 drawing->width = 1;
927 drawing->depth = 0;
928 drawing->alloc_height = 1;
929 drawing->alloc_width = 1;
930
931 drawing->damage_begin = 0;
932 drawing->damage_end = 0;
933 drawing->horizontal_sel = -1;
934
935 //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
936 g_object_set_data_full(
937 G_OBJECT(drawing->drawing_area),
938 "Link_drawing_Data",
939 drawing,
940 (GDestroyNotify)drawing_destroy);
941
942 g_object_set_data(
943 G_OBJECT(drawing->ruler),
944 "drawing",
945 drawing);
946
947
948 //gtk_widget_modify_bg( drawing->drawing_area,
949 // GTK_STATE_NORMAL,
950 // &CF_Colors[BLACK]);
951
952 //gdk_window_get_geometry(drawing->drawing_area->window,
953 // NULL, NULL,
954 // &(drawing->width),
955 // &(drawing->height),
956 // -1);
957
958 //drawing->pixmap = gdk_pixmap_new(
959 // drawing->drawing_area->window,
960 // drawing->width,
961 // drawing->height,
962 // drawing->depth);
963
964 //drawing->pixmap = NULL;
965
966 // drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
967 // drawing->drawing_area->allocation.width,
968 // drawing->drawing_area->allocation.height,
969 // -1);
970
971 g_signal_connect (G_OBJECT(drawing->drawing_area),
972 "configure_event",
973 G_CALLBACK (configure_event),
974 (gpointer)drawing);
975
976 g_signal_connect (G_OBJECT(drawing->ruler),
977 "expose_event",
978 G_CALLBACK(expose_ruler),
979 (gpointer)drawing);
980
981 gtk_widget_add_events(drawing->ruler, GDK_POINTER_MOTION_MASK);
982
983 g_signal_connect (G_OBJECT(drawing->ruler),
984 "motion-notify-event",
985 G_CALLBACK(motion_notify_ruler),
986 (gpointer)drawing);
987
988
989 g_signal_connect (G_OBJECT(drawing->scrollbar),
990 "size-allocate",
991 G_CALLBACK(scrollbar_size_allocate),
992 (gpointer)drawing);
993
994
995
996 g_signal_connect (G_OBJECT(drawing->drawing_area),
997 "expose_event",
998 G_CALLBACK (expose_event),
999 (gpointer)drawing);
1000
1001 g_signal_connect_after (G_OBJECT(drawing->drawing_area),
1002 "expose_event",
1003 G_CALLBACK (after_expose_event),
1004 (gpointer)drawing);
1005
1006 g_signal_connect (G_OBJECT(drawing->drawing_area),
1007 "button-press-event",
1008 G_CALLBACK (button_press_event),
1009 (gpointer)drawing);
1010
1011
1012 gtk_widget_show(drawing->ruler);
1013 gtk_widget_show(drawing->padding);
1014 gtk_widget_show(drawing->ruler_hbox);
1015
1016 gtk_widget_show(drawing->drawing_area);
1017 //gtk_widget_show(drawing->scrolled_window);
1018 gtk_widget_show(drawing->viewport);
1019 gtk_widget_show(drawing->scrollbar);
1020 gtk_widget_show(drawing->hbox);
1021
1022 /* Allocate the colors */
1023 GdkColormap* colormap = gdk_colormap_get_system();
1024 gboolean success[NUM_COLORS];
1025 gdk_colormap_alloc_colors(colormap, drawing_colors, NUM_COLORS, FALSE,
1026 TRUE, success);
1027
1028 drawing->gc =
1029 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1030 drawing->dotted_gc =
1031 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1032
1033 gdk_gc_copy(drawing->gc,
1034 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1035 gdk_gc_copy(drawing->dotted_gc,
1036 main_window_get_widget(control_flow_data->tab)->style->white_gc);
1037
1038 gint8 dash_list[] = { 1, 2 };
1039 gdk_gc_set_line_attributes(drawing->dotted_gc,
1040 1,
1041 GDK_LINE_ON_OFF_DASH,
1042 GDK_CAP_BUTT,
1043 GDK_JOIN_MITER);
1044 gdk_gc_set_dashes(drawing->dotted_gc,
1045 0,
1046 dash_list,
1047 2);
1048
1049 drawing->ruler_gc_butt =
1050 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1051 gdk_gc_copy(drawing->ruler_gc_butt,
1052 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1053 drawing->ruler_gc_round =
1054 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1055 gdk_gc_copy(drawing->ruler_gc_round,
1056 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1057
1058
1059 gdk_gc_set_line_attributes(drawing->ruler_gc_butt,
1060 2,
1061 GDK_LINE_SOLID,
1062 GDK_CAP_BUTT,
1063 GDK_JOIN_MITER);
1064
1065 gdk_gc_set_line_attributes(drawing->ruler_gc_round,
1066 2,
1067 GDK_LINE_SOLID,
1068 GDK_CAP_ROUND,
1069 GDK_JOIN_ROUND);
1070
1071
1072 return drawing;
1073 }
1074
1075 void drawing_destroy(Drawing_t *drawing)
1076 {
1077 g_info("drawing_destroy %p", drawing);
1078
1079 /* Free the colors */
1080 GdkColormap* colormap = gdk_colormap_get_system();
1081
1082 gdk_colormap_free_colors(colormap, drawing_colors, NUM_COLORS);
1083
1084
1085
1086 // Do not unref here, Drawing_t destroyed by it's widget.
1087 //g_object_unref( G_OBJECT(drawing->drawing_area));
1088 if(drawing->gc != NULL)
1089 gdk_gc_unref(drawing->gc);
1090
1091 g_object_unref(drawing->pango_layout);
1092 if(drawing->dotted_gc != NULL) gdk_gc_unref(drawing->dotted_gc);
1093 if(drawing->ruler_gc_butt != NULL) gdk_gc_unref(drawing->ruler_gc_butt);
1094 if(drawing->ruler_gc_round != NULL) gdk_gc_unref(drawing->ruler_gc_round);
1095
1096 g_free(drawing);
1097 g_info("drawing_destroy end");
1098 }
1099
1100 GtkWidget *drawing_get_drawing_area(Drawing_t *drawing)
1101 {
1102 return drawing->drawing_area;
1103 }
1104
1105 GtkWidget *drawing_get_widget(Drawing_t *drawing)
1106 {
1107 return drawing->vbox;
1108 }
1109
1110 void drawing_draw_line( Drawing_t *drawing,
1111 GdkPixmap *pixmap,
1112 guint x1, guint y1,
1113 guint x2, guint y2,
1114 GdkGC *GC)
1115 {
1116 gdk_draw_line (pixmap,
1117 GC,
1118 x1, y1, x2, y2);
1119 }
1120
1121 void drawing_clear(Drawing_t *drawing)
1122 {
1123 //if (drawing->pixmap)
1124 // gdk_pixmap_unref(drawing->pixmap);
1125 ControlFlowData *cfd = drawing->control_flow_data;
1126
1127
1128 rectangle_pixmap(cfd->process_list,
1129 drawing->drawing_area->style->black_gc,
1130 TRUE,
1131 0, 0,
1132 drawing->alloc_width, // do not overlap
1133 -1);
1134
1135 //drawing->height = 1;
1136 /* Allocate a new pixmap with new height */
1137 //drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1138 // drawing->width + SAFETY + EXTRA_ALLOC,
1139 // drawing->height + EXTRA_ALLOC,
1140 // -1);
1141 //drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1142 //drawing->alloc_height = drawing->height + EXTRA_ALLOC;
1143
1144 //gtk_widget_set_size_request(drawing->drawing_area,
1145 // -1,
1146 // drawing->height);
1147 //gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1148
1149 /* ask for the buffer to be redrawn */
1150 gtk_widget_queue_draw ( drawing->drawing_area);
1151 }
1152
1153 #if 0
1154 /* Insert a square corresponding to a new process in the list */
1155 /* Applies to whole drawing->width */
1156 void drawing_insert_square(Drawing_t *drawing,
1157 guint y,
1158 guint height)
1159 {
1160 //GdkRectangle update_rect;
1161 gboolean reallocate = FALSE;
1162 GdkPixmap *new_pixmap;
1163
1164 /* Allocate a new pixmap with new height */
1165 if(drawing->alloc_height < drawing->height + height) {
1166
1167 new_pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1168 drawing->width + SAFETY + EXTRA_ALLOC,
1169 drawing->height + height + EXTRA_ALLOC,
1170 -1);
1171 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1172 drawing->alloc_height = drawing->height + height + EXTRA_ALLOC;
1173 reallocate = TRUE;
1174
1175 /* Copy the high region */
1176 gdk_draw_pixmap (new_pixmap,
1177 drawing->drawing_area->style->black_gc,
1178 drawing->pixmap,
1179 0, 0,
1180 0, 0,
1181 drawing->width + SAFETY, y);
1182
1183 } else {
1184 new_pixmap = drawing->pixmap;
1185 }
1186
1187 //GdkPixmap *pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1188 // drawing->width + SAFETY,
1189 // drawing->height + height,
1190 // -1);
1191
1192 /* add an empty square */
1193 gdk_draw_rectangle (new_pixmap,
1194 drawing->drawing_area->style->black_gc,
1195 TRUE,
1196 0, y,
1197 drawing->width + SAFETY, // do not overlap
1198 height);
1199
1200 /* copy the bottom of the region */
1201 gdk_draw_pixmap (new_pixmap,
1202 drawing->drawing_area->style->black_gc,
1203 drawing->pixmap,
1204 0, y,
1205 0, y + height,
1206 drawing->width+SAFETY, drawing->height - y);
1207
1208
1209 if(reallocate && likely(drawing->pixmap)) {
1210 gdk_pixmap_unref(drawing->pixmap);
1211 drawing->pixmap = new_pixmap;
1212 }
1213
1214 if(unlikely(drawing->height==1)) drawing->height = height;
1215 else drawing->height += height;
1216
1217 gtk_widget_set_size_request(drawing->drawing_area,
1218 -1,
1219 drawing->height);
1220 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1221
1222 /* ask for the buffer to be redrawn */
1223 gtk_widget_queue_draw_area ( drawing->drawing_area,
1224 0, y,
1225 drawing->width, drawing->height-y);
1226 }
1227
1228
1229 /* Remove a square corresponding to a removed process in the list */
1230 void drawing_remove_square(Drawing_t *drawing,
1231 guint y,
1232 guint height)
1233 {
1234 GdkPixmap *pixmap;
1235
1236 if(unlikely((guint)drawing->height == height)) {
1237 //pixmap = gdk_pixmap_new(
1238 // drawing->drawing_area->window,
1239 // drawing->width + SAFETY,
1240 // 1,
1241 // -1);
1242 pixmap = drawing->pixmap;
1243 drawing->height=1;
1244 } else {
1245 /* Allocate a new pixmap with new height */
1246 //pixmap = gdk_pixmap_new(
1247 // drawing->drawing_area->window,
1248 // drawing->width + SAFETY,
1249 // drawing->height - height,
1250 // -1);
1251 /* Keep the same preallocated pixmap */
1252 pixmap = drawing->pixmap;
1253
1254 /* Copy the high region */
1255 gdk_draw_pixmap (pixmap,
1256 drawing->drawing_area->style->black_gc,
1257 drawing->pixmap,
1258 0, 0,
1259 0, 0,
1260 drawing->width + SAFETY, y);
1261
1262 /* Copy up the bottom of the region */
1263 gdk_draw_pixmap (pixmap,
1264 drawing->drawing_area->style->black_gc,
1265 drawing->pixmap,
1266 0, y + height,
1267 0, y,
1268 drawing->width, drawing->height - y - height);
1269
1270 drawing->height-=height;
1271 }
1272
1273 //if(likely(drawing->pixmap))
1274 // gdk_pixmap_unref(drawing->pixmap);
1275
1276 //drawing->pixmap = pixmap;
1277
1278 gtk_widget_set_size_request(drawing->drawing_area,
1279 -1,
1280 drawing->height);
1281 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1282 /* ask for the buffer to be redrawn */
1283 gtk_widget_queue_draw_area ( drawing->drawing_area,
1284 0, y,
1285 drawing->width, MAX(drawing->height-y, 1));
1286 }
1287 #endif //0
1288
1289 void drawing_update_ruler(Drawing_t *drawing, TimeWindow *time_window)
1290 {
1291 gtk_widget_queue_draw(drawing->ruler);
1292 }
1293
1294 /* Redraw the ruler */
1295 static gboolean
1296 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
1297 {
1298 Drawing_t *drawing = (Drawing_t*)user_data;
1299 TimeWindow time_window = lttvwindow_get_time_window(drawing->control_flow_data->tab);
1300 gchar text[255];
1301
1302 PangoContext *context;
1303 PangoLayout *layout;
1304 PangoFontDescription *FontDesc;
1305 PangoRectangle ink_rect;
1306 gint global_width=0;
1307 GdkColor foreground = { 0, 0, 0, 0 };
1308 GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
1309
1310 LttTime window_end = time_window.end_time;
1311 LttTime half_width =
1312 ltt_time_div(time_window.time_width,2.0);
1313 LttTime window_middle =
1314 ltt_time_add(half_width,
1315 time_window.start_time);
1316 g_debug("ruler expose event");
1317
1318 gdk_draw_rectangle (drawing->ruler->window,
1319 drawing->ruler->style->white_gc,
1320 TRUE,
1321 event->area.x, event->area.y,
1322 event->area.width,
1323 event->area.height);
1324
1325 gdk_draw_line (drawing->ruler->window,
1326 drawing->ruler_gc_butt,
1327 event->area.x, 1,
1328 event->area.x + event->area.width, 1);
1329
1330
1331 snprintf(text, 255, "%lus\n%luns",
1332 time_window.start_time.tv_sec,
1333 time_window.start_time.tv_nsec);
1334
1335 layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
1336
1337 context = pango_layout_get_context(layout);
1338 FontDesc = pango_context_get_font_description(context);
1339
1340 pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
1341 pango_layout_context_changed(layout);
1342
1343 pango_layout_set_text(layout, text, -1);
1344 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1345 global_width += ink_rect.width;
1346
1347 gdk_draw_layout_with_colors(drawing->ruler->window,
1348 drawing->ruler_gc_butt,
1349 0,
1350 6,
1351 layout, &foreground, &background);
1352
1353 gdk_draw_line (drawing->ruler->window,
1354 drawing->ruler_gc_round,
1355 1, 1,
1356 1, 7);
1357
1358
1359 snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
1360 window_end.tv_nsec);
1361
1362 pango_layout_set_text(layout, text, -1);
1363 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1364 global_width += ink_rect.width;
1365
1366 if(global_width <= drawing->ruler->allocation.width)
1367 {
1368 gdk_draw_layout_with_colors(drawing->ruler->window,
1369 drawing->ruler_gc_butt,
1370 drawing->ruler->allocation.width - ink_rect.width,
1371 6,
1372 layout, &foreground, &background);
1373
1374 gdk_draw_line (drawing->ruler->window,
1375 drawing->ruler_gc_butt,
1376 drawing->ruler->allocation.width-1, 1,
1377 drawing->ruler->allocation.width-1, 7);
1378 }
1379
1380
1381 snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
1382 window_middle.tv_nsec);
1383
1384 pango_layout_set_text(layout, text, -1);
1385 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1386 global_width += ink_rect.width;
1387
1388 if(global_width <= drawing->ruler->allocation.width)
1389 {
1390 gdk_draw_layout_with_colors(drawing->ruler->window,
1391 drawing->ruler_gc_butt,
1392 (drawing->ruler->allocation.width - ink_rect.width)/2,
1393 6,
1394 layout, &foreground, &background);
1395
1396 gdk_draw_line (drawing->ruler->window,
1397 drawing->ruler_gc_butt,
1398 drawing->ruler->allocation.width/2, 1,
1399 drawing->ruler->allocation.width/2, 7);
1400
1401
1402
1403
1404 }
1405
1406 g_object_unref(layout);
1407
1408 return FALSE;
1409 }
1410
1411
1412 /* notify mouse on ruler */
1413 static gboolean
1414 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
1415 {
1416 //g_debug("motion");
1417 //eventually follow mouse and show time here
1418 return 0;
1419 }
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