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Add before and after hook to the control flow computing
[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 <ltt/trace.h>
28
29 #include <lttv/lttv.h>
30 #ifdef BABEL_CLEANUP
31 #include <lttv/tracecontext.h>
32 #endif //babel_cleanup
33 #include <lttvwindow/lttvwindow.h>
34 #include <lttv/state.h>
35 #include <lttv/hook.h>
36
37 #include "drawing.h"
38 #include "eventhooks.h"
39 #include "cfv.h"
40
41 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
42
43 //FIXME
44 // fixed #define TRACE_NUMBER 0
45 #define EXTRA_ALLOC 1024 // pixels
46
47
48 #if 0 /* colors for two lines representation */
49 GdkColor drawing_colors[NUM_COLORS] =
50 { /* Pixel, R, G, B */
51 { 0, 0, 0, 0 }, /* COL_BLACK */
52 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
53 { 0, 0x0FFF, 0xFFFF, 0xFFFF }, /* COL_WAIT_FORK : pale blue */
54 { 0, 0xFFFF, 0xFFFF, 0x0000 }, /* COL_WAIT_CPU : yellow */
55 { 0, 0xFFFF, 0xA000, 0xFCFF }, /* COL_EXIT : pale magenta */
56 { 0, 0xFFFF, 0x0000, 0xFFFF }, /* COL_ZOMBIE : purple */
57 { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_WAIT : red */
58 { 0, 0x0000, 0xFFFF, 0x0000 }, /* COL_RUN : green */
59 { 0, 0x8800, 0xFFFF, 0x8A00 }, /* COL_USER_MODE : pale green */
60 { 0, 0x09FF, 0x01FF, 0xFFFF }, /* COL_SYSCALL : blue */
61 { 0, 0xF900, 0x4200, 0xFF00 }, /* COL_TRAP : pale purple */
62 { 0, 0xFFFF, 0x5AFF, 0x01FF }, /* COL_IRQ : orange */
63 { 0, 0xFFFF, 0xFFFF, 0xFFFF } /* COL_MODE_UNKNOWN : white */
64
65 };
66 #endif //0
67
68
69 GdkColor drawing_colors[NUM_COLORS] =
70 { /* Pixel, R, G, B */
71 { 0, 0, 0, 0 }, /* COL_BLACK */
72 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
73 { 0, 0x0000, 0xFF00, 0x0000 }, /* COL_RUN_USER_MODE : green */
74 { 0, 0x0100, 0x9E00, 0xFFFF }, /* COL_RUN_SYSCALL : pale blue */
75 { 0, 0xFF00, 0xFF00, 0x0100 }, /* COL_RUN_TRAP : yellow */
76 { 0, 0xFFFF, 0x5E00, 0x0000 }, /* COL_RUN_IRQ : orange */
77 { 0, 0xFFFF, 0x9400, 0x9600 }, /* COL_RUN_SOFT_IRQ : pink */
78 { 0, 0x6600, 0x0000, 0x0000 }, /* COL_WAIT : dark red */
79 { 0, 0x7700, 0x7700, 0x0000 }, /* COL_WAIT_CPU : dark yellow */
80 { 0, 0x6400, 0x0000, 0x5D00 }, /* COL_ZOMBIE : dark purple */
81 { 0, 0x0700, 0x6400, 0x0000 }, /* COL_WAIT_FORK : dark green */
82 { 0, 0x8900, 0x0000, 0x8400 }, /* COL_EXIT : "less dark" magenta */
83 { 0, 0x0000, 0x0000, 0x0000 }, /* COL_DEAD : black */
84 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_MODE_UNKNOWN : white */
85 { 0, 0xFFFF, 0xFFFF, 0xFFFF } /* COL_UNNAMED : white */
86
87 };
88
89 /*
90 RUN+USER MODE green
91 RUN+SYSCALL
92 RUN+TRAP
93 RUN+IRQ
94 WAIT+foncé
95 WAIT CPU + WAIT FORK vert foncé ou jaune
96 IRQ rouge
97 TRAP: orange
98 SYSCALL: bleu pâle
99
100 ZOMBIE + WAIT EXIT
101 */
102
103
104 /*****************************************************************************
105 * drawing functions *
106 *****************************************************************************/
107
108 static gboolean
109 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data );
110
111 static gboolean
112 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
113
114
115 /* Function responsible for updating the exposed area.
116 * It must do an events request to the lttvwindow API to ask for this update.
117 * Note : this function cannot clear the background, because it may
118 * erase drawing already present (SAFETY).
119 */
120 void drawing_data_request(Drawing_t *drawing,
121 gint x, gint y,
122 gint width,
123 gint height)
124 {
125 if(width < 0) return ;
126 if(height < 0) return ;
127
128
129 Tab *tab = drawing->control_flow_data->tab;
130 TimeWindow time_window = lttvwindow_get_time_window(tab);
131 LttvTraceset *traceset = lttvwindow_get_traceset(tab);
132 if(lttv_traceset_number(traceset) <= 0){
133 return;
134 }
135
136 ControlFlowData *control_flow_data = drawing->control_flow_data;
137 // (ControlFlowData*)g_object_get_data(
138 // G_OBJECT(drawing->drawing_area), "control_flow_data");
139
140 LttTime start, time_end;
141 LttTime window_end = time_window.end_time;
142
143 g_debug("req : window start_time : %lu, %lu", time_window.start_time.tv_sec,
144 time_window.start_time.tv_nsec);
145
146 g_debug("req : window time width : %lu, %lu", time_window.time_width.tv_sec,
147 time_window.time_width.tv_nsec);
148
149 g_debug("req : window_end : %lu, %lu", window_end.tv_sec,
150 window_end.tv_nsec);
151
152 g_debug("x is : %i, x+width is : %i", x, x+width);
153
154 convert_pixels_to_time(drawing->width, x,
155 time_window,
156 &start);
157
158 convert_pixels_to_time(drawing->width, x+width,
159 time_window,
160 &time_end);
161 time_end = ltt_time_add(time_end, ltt_time_one); // because main window
162 // doesn't deliver end time.
163
164 lttvwindow_events_request_remove_all(tab,
165 control_flow_data);
166
167 {
168 LttvHooks *event_hook = lttv_hooks_new();
169 g_assert(event_hook);
170
171 lttv_hooks_add(event_hook,before_execmode_hook , control_flow_data, LTTV_PRIO_STATE-5);
172 #ifdef BABEL_CLEANUP
173 lttv_hooks_add(event_hook,syscall_exit , control_flow_data, LTTV_PRIO_STATE);
174 lttv_hooks_add(event_hook,irq_entry , control_flow_data, LTTV_PRIO_STATE);
175 lttv_hooks_add(event_hook,irq_exit , control_flow_data, LTTV_PRIO_STATE);
176 lttv_hooks_add(event_hook,soft_irq_raise , control_flow_data, LTTV_PRIO_STATE);
177 lttv_hooks_add(event_hook,soft_irq_entry , control_flow_data, LTTV_PRIO_STATE);
178 lttv_hooks_add(event_hook,soft_irq_exit , control_flow_data, LTTV_PRIO_STATE);
179 #endif //babel_cleanup
180 lttv_hooks_add(event_hook,before_schedchange_hook , control_flow_data, LTTV_PRIO_STATE-5);
181 #ifdef BABEL_CLEANUP
182 lttv_hooks_add(event_hook,sched_try_wakeup , control_flow_data, LTTV_PRIO_STATE);
183 lttv_hooks_add(event_hook,process_exit , control_flow_data, LTTV_PRIO_STATE);
184 lttv_hooks_add(event_hook,process_free , control_flow_data, LTTV_PRIO_STATE);
185 lttv_hooks_add(event_hook,process_exec , control_flow_data, LTTV_PRIO_STATE);
186 lttv_hooks_add(event_hook,enum_process_state , control_flow_data, LTTV_PRIO_STATE);
187 lttv_hooks_add(event_hook,statedump_end , control_flow_data, LTTV_PRIO_STATE);
188 lttv_hooks_add(event_hook,enum_interrupt , control_flow_data, LTTV_PRIO_STATE);
189 #endif //babel_cleanup
190 lttv_hooks_add(event_hook, before_trywakeup_hook, control_flow_data, LTTV_PRIO_STATE-5);
191 lttv_hooks_add(event_hook, before_process_exit_hook, control_flow_data, LTTV_PRIO_STATE-5);
192 lttv_hooks_add(event_hook, before_process_release_hook, control_flow_data, LTTV_PRIO_STATE-5);
193 lttv_hooks_add(event_hook, before_statedump_end, control_flow_data, LTTV_PRIO_STATE-5);
194
195 lttv_hooks_add(event_hook, after_schedchange_hook, control_flow_data, LTTV_PRIO_STATE+5);
196 lttv_hooks_add(event_hook, after_process_fork_hook, control_flow_data, LTTV_PRIO_STATE+5);
197 lttv_hooks_add(event_hook, after_process_exit_hook, control_flow_data, LTTV_PRIO_STATE+5);
198 lttv_hooks_add(event_hook, after_event_enum_process_hook, control_flow_data, LTTV_PRIO_STATE+5);
199
200 guint i, k, nb_trace;
201 LttvTraceState *ts;
202 GArray *hooks;
203 gint first_after;
204
205 nb_trace = lttv_traceset_number(traceset);
206 // FIXME (fixed) : eventually request for more traces
207 for(i = 0 ; i < nb_trace ; i++) {
208 EventsRequest *events_request = g_new(EventsRequest, 1);
209 // Create the hooks
210 //LttvHooks *event = lttv_hooks_new();
211
212 LttvHooks *before_chunk_traceset = lttv_hooks_new();
213 LttvHooks *after_chunk_traceset = lttv_hooks_new();
214 LttvHooks *before_request_hook = lttv_hooks_new();
215 LttvHooks *after_request_hook = lttv_hooks_new();
216
217 lttv_hooks_add(before_chunk_traceset,
218 before_chunk,
219 events_request,
220 LTTV_PRIO_DEFAULT);
221
222 lttv_hooks_add(after_chunk_traceset,
223 after_chunk,
224 events_request,
225 LTTV_PRIO_DEFAULT);
226
227 lttv_hooks_add(before_request_hook,
228 before_request,
229 events_request,
230 LTTV_PRIO_DEFAULT);
231
232 lttv_hooks_add(after_request_hook,
233 after_request,
234 events_request,
235 LTTV_PRIO_DEFAULT);
236
237 #ifdef BABEL_CLEANUP
238 ts = (LttvTraceState *)tsc->traces[i];
239
240 /* Find the eventtype id for the following events and register the
241 associated by id hooks. */
242
243 hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 18);
244
245 /* before hooks */
246
247 lttv_trace_find_hook(ts->parent.t,
248 LTT_CHANNEL_KERNEL,
249 LTT_EVENT_SYSCALL_ENTRY,
250 FIELD_ARRAY(LTT_FIELD_SYSCALL_ID),
251 before_execmode_hook,
252 events_request,
253 &hooks);
254
255 lttv_trace_find_hook(ts->parent.t,
256 LTT_CHANNEL_KERNEL,
257 LTT_EVENT_SCHED_TRY_WAKEUP,
258 FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_CPU_ID, LTT_FIELD_STATE),
259 before_trywakeup_hook,
260 events_request,
261 &hooks);
262
263 lttv_trace_find_hook(ts->parent.t,
264 LTT_CHANNEL_KERNEL,
265 LTT_EVENT_SYSCALL_EXIT,
266 NULL,
267 before_execmode_hook,
268 events_request,
269 &hooks);
270
271 lttv_trace_find_hook(ts->parent.t,
272 LTT_CHANNEL_KERNEL,
273 LTT_EVENT_TRAP_ENTRY,
274 FIELD_ARRAY(LTT_FIELD_TRAP_ID),
275 before_execmode_hook,
276 events_request,
277 &hooks);
278
279 lttv_trace_find_hook(ts->parent.t,
280 LTT_CHANNEL_KERNEL,
281 LTT_EVENT_TRAP_EXIT,
282 NULL,
283 before_execmode_hook,
284 events_request,
285 &hooks);
286
287 lttv_trace_find_hook(ts->parent.t,
288 LTT_CHANNEL_KERNEL,
289 LTT_EVENT_PAGE_FAULT_ENTRY,
290 FIELD_ARRAY(LTT_FIELD_TRAP_ID),
291 before_execmode_hook,
292 events_request,
293 &hooks);
294
295 lttv_trace_find_hook(ts->parent.t,
296 LTT_CHANNEL_KERNEL,
297 LTT_EVENT_PAGE_FAULT_EXIT,
298 NULL,
299 before_execmode_hook,
300 events_request,
301 &hooks);
302
303 lttv_trace_find_hook(ts->parent.t,
304 LTT_CHANNEL_KERNEL,
305 LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY,
306 FIELD_ARRAY(LTT_FIELD_TRAP_ID),
307 before_execmode_hook,
308 events_request,
309 &hooks);
310
311 lttv_trace_find_hook(ts->parent.t,
312 LTT_CHANNEL_KERNEL,
313 LTT_EVENT_PAGE_FAULT_NOSEM_EXIT,
314 NULL,
315 before_execmode_hook,
316 events_request,
317 &hooks);
318
319 lttv_trace_find_hook(ts->parent.t,
320 LTT_CHANNEL_KERNEL,
321 LTT_EVENT_IRQ_ENTRY,
322 FIELD_ARRAY(LTT_FIELD_IRQ_ID),
323 before_execmode_hook,
324 events_request,
325 &hooks);
326
327 lttv_trace_find_hook(ts->parent.t,
328 LTT_CHANNEL_KERNEL,
329 LTT_EVENT_IRQ_EXIT,
330 NULL,
331 before_execmode_hook,
332 events_request,
333 &hooks);
334
335 lttv_trace_find_hook(ts->parent.t,
336 LTT_CHANNEL_KERNEL,
337 LTT_EVENT_SOFT_IRQ_ENTRY,
338 FIELD_ARRAY(LTT_FIELD_SOFT_IRQ_ID),
339 before_execmode_hook,
340 events_request,
341 &hooks);
342
343 lttv_trace_find_hook(ts->parent.t,
344 LTT_CHANNEL_KERNEL,
345 LTT_EVENT_SOFT_IRQ_EXIT,
346 NULL,
347 before_execmode_hook,
348 events_request,
349 &hooks);
350
351
352 lttv_trace_find_hook(ts->parent.t,
353 LTT_CHANNEL_KERNEL,
354 LTT_EVENT_SCHED_SCHEDULE,
355 FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE),
356 before_schedchange_hook,
357 events_request,
358 &hooks);
359
360 lttv_trace_find_hook(ts->parent.t,
361 LTT_CHANNEL_KERNEL,
362 LTT_EVENT_PROCESS_EXIT,
363 FIELD_ARRAY(LTT_FIELD_PID),
364 before_process_exit_hook,
365 events_request,
366 &hooks);
367
368 lttv_trace_find_hook(ts->parent.t,
369 LTT_CHANNEL_KERNEL,
370 LTT_EVENT_PROCESS_FREE,
371 FIELD_ARRAY(LTT_FIELD_PID),
372 before_process_release_hook,
373 events_request,
374 &hooks);
375
376 lttv_trace_find_hook(ts->parent.t,
377 LTT_CHANNEL_GLOBAL_STATE,
378 LTT_EVENT_STATEDUMP_END,
379 NULL,
380 before_statedump_end,
381 events_request,
382 &hooks);
383
384 /* After hooks */
385 first_after = hooks->len;
386
387 lttv_trace_find_hook(ts->parent.t,
388 LTT_CHANNEL_KERNEL,
389 LTT_EVENT_SCHED_SCHEDULE,
390 FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE),
391 after_schedchange_hook,
392 events_request,
393 &hooks);
394
395 lttv_trace_find_hook(ts->parent.t,
396 LTT_CHANNEL_KERNEL,
397 LTT_EVENT_PROCESS_FORK,
398 FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID),
399 after_process_fork_hook,
400 events_request,
401 &hooks);
402
403 lttv_trace_find_hook(ts->parent.t,
404 LTT_CHANNEL_KERNEL,
405 LTT_EVENT_PROCESS_EXIT,
406 FIELD_ARRAY(LTT_FIELD_PID),
407 after_process_exit_hook,
408 events_request,
409 &hooks);
410
411 lttv_trace_find_hook(ts->parent.t,
412 LTT_CHANNEL_FS,
413 LTT_EVENT_EXEC,
414 NULL,
415 after_fs_exec_hook,
416 events_request,
417 &hooks);
418
419 lttv_trace_find_hook(ts->parent.t,
420 LTT_CHANNEL_USERSPACE,
421 LTT_EVENT_THREAD_BRAND,
422 FIELD_ARRAY(LTT_FIELD_NAME),
423 after_user_generic_thread_brand_hook,
424 events_request,
425 &hooks);
426
427 lttv_trace_find_hook(ts->parent.t,
428 LTT_CHANNEL_TASK_STATE,
429 LTT_EVENT_PROCESS_STATE,
430 FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME),
431 after_event_enum_process_hook,
432 events_request,
433 &hooks);
434
435
436 /* Add these hooks to each event_by_id_channel hooks list */
437 /* add before */
438 for(k = 0 ; k < first_after ; k++) {
439 th = &g_array_index(hooks, LttvTraceHook, k);
440 lttv_hooks_add(lttv_hooks_by_id_channel_find(event_by_id_channel,
441 th->channel, th->id),
442 th->h,
443 th,
444 LTTV_PRIO_STATE-5);
445 }
446
447 /* add after */
448 for(k = first_after ; k < hooks->len ; k++) {
449 th = &g_array_index(hooks, LttvTraceHook, k);
450 lttv_hooks_add(lttv_hooks_by_id_channel_find(event_by_id_channel,
451 th->channel, th->id),
452 th->h,
453 th,
454 LTTV_PRIO_STATE+5);
455 }
456
457 events_request->hooks = hooks;
458 #endif //babel_cleanup
459 // Fill the events request
460 events_request->owner = control_flow_data;
461 events_request->viewer_data = control_flow_data;
462 events_request->servicing = FALSE;
463 events_request->start_time = start;
464 events_request->start_position = NULL;
465 events_request->stop_flag = FALSE;
466 events_request->end_time = time_end;
467 events_request->num_events = G_MAXUINT;
468 events_request->end_position = NULL;
469 events_request->trace = i; //fixed /* FIXME */
470 events_request->before_chunk_traceset = before_chunk_traceset;
471 events_request->before_chunk_trace = NULL;
472 events_request->before_chunk_tracefile = NULL;
473 events_request->event = event_hook;
474 events_request->after_chunk_tracefile = NULL;
475 events_request->after_chunk_trace = NULL;
476 events_request->after_chunk_traceset = after_chunk_traceset;
477 events_request->before_request = before_request_hook;
478 events_request->after_request = after_request_hook;
479
480 g_debug("req : start : %lu, %lu", start.tv_sec,
481 start.tv_nsec);
482
483 g_debug("req : end : %lu, %lu", time_end.tv_sec,
484 time_end.tv_nsec);
485
486 lttvwindow_events_request(tab, events_request);
487 }
488
489
490 }
491 }
492
493
494 static void set_last_start(gpointer key, gpointer value, gpointer user_data)
495 {
496 HashedProcessData *hashed_process_data = (HashedProcessData*)value;
497 guint x = GPOINTER_TO_UINT(user_data);
498
499 hashed_process_data->x.over = x;
500 hashed_process_data->x.over_used = FALSE;
501 hashed_process_data->x.over_marked = FALSE;
502 hashed_process_data->x.middle = x;
503 hashed_process_data->x.middle_used = FALSE;
504 hashed_process_data->x.middle_marked = FALSE;
505 hashed_process_data->x.under = x;
506 hashed_process_data->x.under_used = FALSE;
507 hashed_process_data->x.under_marked = FALSE;
508 hashed_process_data->next_good_time = ltt_time_zero;
509
510 return;
511 }
512 void drawing_data_request_begin(EventsRequest *events_request)
513 {
514 g_debug("Begin of data request");
515 ControlFlowData *cfd = events_request->viewer_data;
516 TimeWindow time_window =
517 lttvwindow_get_time_window(cfd->tab);
518
519 guint width = cfd->drawing->width;
520 guint x=0;
521
522 cfd->drawing->last_start = events_request->start_time;
523
524 convert_time_to_pixels(
525 time_window,
526 events_request->start_time,
527 width,
528 &x);
529
530 g_hash_table_foreach(cfd->process_list->process_hash, set_last_start,
531 GUINT_TO_POINTER(x));
532
533 }
534 void drawing_chunk_begin(EventsRequest *events_request, LttvTraceset *ts)
535 {
536 g_debug("Begin of chunk");
537 ControlFlowData *cfd = events_request->viewer_data;
538 //LttTime current_time = lttv_traceset_context_get_current_tfc(tsc)->timestamp;
539 guint i;
540 guint nb_trace = lttv_traceset_number(ts);
541
542 if(!cfd->process_list->current_hash_data) {
543 cfd->process_list->current_hash_data = g_new(HashedProcessData**,nb_trace);
544 for(i = 0 ; i < nb_trace ; i++) {
545 guint num_cpu = lttv_trace_get_num_cpu( lttv_traceset_get(ts, i));
546 cfd->process_list->current_hash_data[i] = g_new(HashedProcessData*,num_cpu);
547 memset(cfd->process_list->current_hash_data[i], 0,
548 sizeof(HashedProcessData*)*num_cpu);
549 }
550 }
551 //cfd->drawing->last_start = LTT_TIME_MIN(current_time,
552 // events_request->end_time);
553 }
554
555
556 void drawing_request_expose(EventsRequest *events_request,
557 LttTime end_time)
558 {
559 gint x, width;
560 guint x_end;
561
562 ControlFlowData *cfd = events_request->viewer_data;
563 Drawing_t *drawing = cfd->drawing;
564
565 TimeWindow time_window = lttvwindow_get_time_window(cfd->tab);
566
567 g_debug("request expose");
568
569 convert_time_to_pixels(
570 time_window,
571 end_time,
572 drawing->width,
573 &x_end);
574 x = drawing->damage_begin;
575
576 width = x_end - x;
577
578 drawing->damage_begin = x+width;
579
580 // FIXME ?
581 gtk_widget_queue_draw_area ( drawing->drawing_area,
582 x, 0,
583 width, drawing->drawing_area->allocation.height);
584
585 /* Update directly when scrolling */
586 gdk_window_process_updates(drawing->drawing_area->window,
587 TRUE);
588 }
589
590 /* Callbacks */
591
592
593 /* Create a new backing pixmap of the appropriate size */
594 /* As the scaling will always change, it's of no use to copy old
595 * pixmap.
596 *
597 * Only change the size if width changes. The height is specified and changed
598 * when process ID are added or removed from the process list.
599 */
600 static gboolean
601 configure_event( GtkWidget *widget, GdkEventConfigure *event,
602 gpointer user_data)
603 {
604 Drawing_t *drawing = (Drawing_t*)user_data;
605
606
607 /* First, get the new time interval of the main window */
608 /* we assume (see documentation) that the main window
609 * has updated the time interval before this configure gets
610 * executed.
611 */
612 //lttvwindow_get_time_window(drawing->control_flow_data->mw,
613 // &drawing->control_flow_data->time_window);
614
615 /* New pixmap, size of the configure event */
616 //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
617 // widget->allocation.width + SAFETY,
618 // widget->allocation.height + SAFETY,
619 // -1);
620
621 if(widget->allocation.width != drawing->width) {
622 g_debug("drawing configure event");
623 g_debug("New alloc draw size : %i by %i",widget->allocation.width,
624 widget->allocation.height);
625
626 drawing->width = widget->allocation.width;
627
628 if(drawing->alloc_width < widget->allocation.width) {
629 //if(drawing->pixmap)
630 // gdk_pixmap_unref(drawing->pixmap);
631
632 //drawing->pixmap = gdk_pixmap_new(widget->window,
633 // drawing->width + SAFETY + EXTRA_ALLOC,
634 // drawing->height + EXTRA_ALLOC,
635 // -1);
636 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
637 drawing->alloc_height = drawing->height + EXTRA_ALLOC;
638 update_pixmap_size(drawing->control_flow_data->process_list,
639 drawing->alloc_width);
640 update_index_to_pixmap(drawing->control_flow_data->process_list);
641 }
642 drawing->height = widget->allocation.height;
643
644 //ProcessList_get_height
645 // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
646
647
648 // Clear the image
649 //gdk_draw_rectangle (drawing->pixmap,
650 // widget->style->black_gc,
651 // TRUE,
652 // 0, 0,
653 // drawing->width+SAFETY,
654 // drawing->height);
655
656 //g_info("init data request");
657
658
659 /* Initial data request */
660 /* no, do initial data request in the expose event */
661 // Do not need to ask for data of 1 pixel : not synchronized with
662 // main window time at this moment.
663 //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
664 // widget->allocation.width,
665 // widget->allocation.height);
666
667 //drawing->width = widget->allocation.width;
668 //drawing->height = widget->allocation.height;
669
670 drawing->damage_begin = 0;
671 drawing->damage_end = widget->allocation.width;
672
673 if((widget->allocation.width != 1 &&
674 widget->allocation.height != 1)
675 && drawing->damage_begin < drawing->damage_end)
676 {
677
678 rectangle_pixmap (drawing->control_flow_data->process_list,
679 drawing->drawing_area->style->black_gc,
680 TRUE,
681 0, 0,
682 drawing->alloc_width, // do not overlap
683 -1);
684
685
686 drawing_data_request(drawing,
687 drawing->damage_begin,
688 0,
689 drawing->damage_end - drawing->damage_begin,
690 drawing->height);
691 }
692 }
693 return TRUE;
694 }
695
696
697 /* Redraw the screen from the backing pixmap */
698 static gboolean
699 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
700 {
701 Drawing_t *drawing = (Drawing_t*)user_data;
702
703 ControlFlowData *control_flow_data =
704 (ControlFlowData*)g_object_get_data(
705 G_OBJECT(widget),
706 "control_flow_data");
707 #if 0
708 if(unlikely(drawing->gc == NULL)) {
709 drawing->gc = gdk_gc_new(drawing->drawing_area->window);
710 gdk_gc_copy(drawing->gc, drawing->drawing_area->style->black_gc);
711 }
712 #endif //0
713 TimeWindow time_window =
714 lttvwindow_get_time_window(control_flow_data->tab);
715 LttTime current_time =
716 lttvwindow_get_current_time(control_flow_data->tab);
717
718 guint cursor_x=0;
719
720 LttTime window_end = time_window.end_time;
721
722 /* update the screen from the pixmap buffer */
723 #if 0
724 gdk_draw_pixmap(widget->window,
725 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
726 drawing->pixmap,
727 event->area.x, event->area.y,
728 event->area.x, event->area.y,
729 event->area.width, event->area.height);
730 #endif //0
731 drawing->height = processlist_get_height(control_flow_data->process_list);
732 #if 0
733 copy_pixmap_to_screen(control_flow_data->process_list,
734 widget->window,
735 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
736 event->area.x, event->area.y,
737 event->area.width, event->area.height);
738 #endif //0
739 copy_pixmap_to_screen(control_flow_data->process_list,
740 widget->window,
741 drawing->gc,
742 event->area.x, event->area.y,
743 event->area.width, event->area.height);
744
745
746 /* Erase the dotted lines left.. */
747 if(widget->allocation.height > drawing->height)
748 {
749 gdk_draw_rectangle (widget->window,
750 drawing->drawing_area->style->black_gc,
751 TRUE,
752 event->area.x, drawing->height,
753 event->area.width, // do not overlap
754 widget->allocation.height - drawing->height);
755 }
756 if(ltt_time_compare(time_window.start_time, current_time) <= 0 &&
757 ltt_time_compare(window_end, current_time) >= 0)
758 {
759 /* Draw the dotted lines */
760 convert_time_to_pixels(
761 time_window,
762 current_time,
763 drawing->width,
764 &cursor_x);
765
766 #if 0
767 if(drawing->dotted_gc == NULL) {
768
769 drawing->dotted_gc = gdk_gc_new(drawing->drawing_area->window);
770 gdk_gc_copy(drawing->dotted_gc, widget->style->white_gc);
771
772 gint8 dash_list[] = { 1, 2 };
773 gdk_gc_set_line_attributes(drawing->dotted_gc,
774 1,
775 GDK_LINE_ON_OFF_DASH,
776 GDK_CAP_BUTT,
777 GDK_JOIN_MITER);
778 gdk_gc_set_dashes(drawing->dotted_gc,
779 0,
780 dash_list,
781 2);
782 }
783 #endif //0
784 gint height_tot = MAX(widget->allocation.height, drawing->height);
785 gdk_draw_line(widget->window,
786 drawing->dotted_gc,
787 cursor_x, 0,
788 cursor_x, height_tot);
789 }
790 return FALSE;
791 }
792
793 static gboolean
794 after_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
795 {
796 //g_assert(0);
797 g_debug("AFTER EXPOSE");
798
799 return FALSE;
800
801
802 }
803
804 #if 0
805 void
806 tree_row_activated(GtkTreeModel *treemodel,
807 GtkTreePath *arg1,
808 GtkTreeViewColumn *arg2,
809 gpointer user_data)
810 {
811 ControlFlowData *cfd = (ControlFlowData*)user_data;
812 Drawing_t *drawing = cfd->drawing;
813 GtkTreeView *treeview = cfd->process_list->process_list_widget;
814 gint *path_indices;
815 gint height;
816
817 path_indices = gtk_tree_path_get_indices (arg1);
818
819 height = get_cell_height(cfd->process_list,
820 GTK_TREE_VIEW(treeview));
821 drawing->horizontal_sel = height * path_indices[0];
822 g_critical("new hor sel : %i", drawing->horizontal_sel);
823 }
824 #endif //0
825
826 /* mouse click */
827 static gboolean
828 button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
829 {
830 ControlFlowData *control_flow_data =
831 (ControlFlowData*)g_object_get_data(
832 G_OBJECT(widget),
833 "control_flow_data");
834 Drawing_t *drawing = control_flow_data->drawing;
835 TimeWindow time_window =
836 lttvwindow_get_time_window(control_flow_data->tab);
837
838 g_debug("click");
839 if(event->button == 1)
840 {
841 LttTime time;
842
843 /* left mouse button click */
844 g_debug("x click is : %f", event->x);
845
846 convert_pixels_to_time(drawing->width, (guint)event->x,
847 time_window,
848 &time);
849
850 lttvwindow_report_current_time(control_flow_data->tab, time);
851
852 }
853
854 return FALSE;
855 }
856
857 static gboolean
858 scrollbar_size_allocate(GtkWidget *widget,
859 GtkAllocation *allocation,
860 gpointer user_data)
861 {
862 Drawing_t *drawing = (Drawing_t*)user_data;
863
864 gtk_widget_set_size_request(drawing->padding, allocation->width, -1);
865 //gtk_widget_queue_resize(drawing->padding);
866 //gtk_widget_queue_resize(drawing->ruler);
867 gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
868 return 0;
869 }
870
871
872
873 Drawing_t *drawing_construct(ControlFlowData *control_flow_data)
874 {
875 Drawing_t *drawing = g_new(Drawing_t, 1);
876
877 drawing->control_flow_data = control_flow_data;
878
879 drawing->vbox = gtk_vbox_new(FALSE, 1);
880
881
882 drawing->ruler_hbox = gtk_hbox_new(FALSE, 1);
883 drawing->ruler = gtk_drawing_area_new ();
884 //gtk_widget_set_size_request(drawing->ruler, -1, 27);
885
886 drawing->padding = gtk_drawing_area_new ();
887 //gtk_widget_set_size_request(drawing->padding, -1, 27);
888 gtk_box_pack_start(GTK_BOX(drawing->ruler_hbox), drawing->ruler,
889 TRUE, TRUE, 0);
890 gtk_box_pack_end(GTK_BOX(drawing->ruler_hbox), drawing->padding,
891 FALSE, FALSE, 0);
892
893
894
895 drawing->drawing_area = gtk_drawing_area_new ();
896
897 drawing->gc = NULL;
898
899 drawing->hbox = gtk_hbox_new(FALSE, 1);
900 drawing->viewport = gtk_viewport_new(NULL, control_flow_data->v_adjust);
901 drawing->scrollbar = gtk_vscrollbar_new(control_flow_data->v_adjust);
902 gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport,
903 TRUE, TRUE, 0);
904 gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar,
905 FALSE, FALSE, 0);
906
907 //drawing->scrolled_window =
908 // gtk_scrolled_window_new (NULL,
909 // control_flow_data->v_adjust);
910
911 //gtk_scrolled_window_set_policy(
912 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
913 // GTK_POLICY_NEVER,
914 // GTK_POLICY_AUTOMATIC);
915
916 gtk_container_add(GTK_CONTAINER(drawing->viewport),
917 drawing->drawing_area);
918 //gtk_scrolled_window_add_with_viewport(
919 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
920 // drawing->drawing_area);
921
922 gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox,
923 FALSE, FALSE, 0);
924 gtk_box_pack_end(GTK_BOX(drawing->vbox), drawing->hbox,
925 TRUE, TRUE, 0);
926
927 drawing->pango_layout =
928 gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
929
930 drawing->height = 1;
931 drawing->width = 1;
932 drawing->depth = 0;
933 drawing->alloc_height = 1;
934 drawing->alloc_width = 1;
935
936 drawing->damage_begin = 0;
937 drawing->damage_end = 0;
938 drawing->horizontal_sel = -1;
939
940 //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
941 g_object_set_data_full(
942 G_OBJECT(drawing->drawing_area),
943 "Link_drawing_Data",
944 drawing,
945 (GDestroyNotify)drawing_destroy);
946
947 g_object_set_data(
948 G_OBJECT(drawing->ruler),
949 "drawing",
950 drawing);
951
952
953 //gtk_widget_modify_bg( drawing->drawing_area,
954 // GTK_STATE_NORMAL,
955 // &CF_Colors[BLACK]);
956
957 //gdk_window_get_geometry(drawing->drawing_area->window,
958 // NULL, NULL,
959 // &(drawing->width),
960 // &(drawing->height),
961 // -1);
962
963 //drawing->pixmap = gdk_pixmap_new(
964 // drawing->drawing_area->window,
965 // drawing->width,
966 // drawing->height,
967 // drawing->depth);
968
969 //drawing->pixmap = NULL;
970
971 // drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
972 // drawing->drawing_area->allocation.width,
973 // drawing->drawing_area->allocation.height,
974 // -1);
975
976 g_signal_connect (G_OBJECT(drawing->drawing_area),
977 "configure_event",
978 G_CALLBACK (configure_event),
979 (gpointer)drawing);
980
981 g_signal_connect (G_OBJECT(drawing->ruler),
982 "expose_event",
983 G_CALLBACK(expose_ruler),
984 (gpointer)drawing);
985
986 gtk_widget_add_events(drawing->ruler, GDK_POINTER_MOTION_MASK);
987
988 g_signal_connect (G_OBJECT(drawing->ruler),
989 "motion-notify-event",
990 G_CALLBACK(motion_notify_ruler),
991 (gpointer)drawing);
992
993
994 g_signal_connect (G_OBJECT(drawing->scrollbar),
995 "size-allocate",
996 G_CALLBACK(scrollbar_size_allocate),
997 (gpointer)drawing);
998
999
1000
1001 g_signal_connect (G_OBJECT(drawing->drawing_area),
1002 "expose_event",
1003 G_CALLBACK (expose_event),
1004 (gpointer)drawing);
1005
1006 g_signal_connect_after (G_OBJECT(drawing->drawing_area),
1007 "expose_event",
1008 G_CALLBACK (after_expose_event),
1009 (gpointer)drawing);
1010
1011 g_signal_connect (G_OBJECT(drawing->drawing_area),
1012 "button-press-event",
1013 G_CALLBACK (button_press_event),
1014 (gpointer)drawing);
1015
1016
1017 gtk_widget_show(drawing->ruler);
1018 gtk_widget_show(drawing->padding);
1019 gtk_widget_show(drawing->ruler_hbox);
1020
1021 gtk_widget_show(drawing->drawing_area);
1022 //gtk_widget_show(drawing->scrolled_window);
1023 gtk_widget_show(drawing->viewport);
1024 gtk_widget_show(drawing->scrollbar);
1025 gtk_widget_show(drawing->hbox);
1026
1027 /* Allocate the colors */
1028 GdkColormap* colormap = gdk_colormap_get_system();
1029 gboolean success[NUM_COLORS];
1030 gdk_colormap_alloc_colors(colormap, drawing_colors, NUM_COLORS, FALSE,
1031 TRUE, success);
1032
1033 drawing->gc =
1034 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1035 drawing->dotted_gc =
1036 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1037
1038 gdk_gc_copy(drawing->gc,
1039 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1040 gdk_gc_copy(drawing->dotted_gc,
1041 main_window_get_widget(control_flow_data->tab)->style->white_gc);
1042
1043 gint8 dash_list[] = { 1, 2 };
1044 gdk_gc_set_line_attributes(drawing->dotted_gc,
1045 1,
1046 GDK_LINE_ON_OFF_DASH,
1047 GDK_CAP_BUTT,
1048 GDK_JOIN_MITER);
1049 gdk_gc_set_dashes(drawing->dotted_gc,
1050 0,
1051 dash_list,
1052 2);
1053
1054 drawing->ruler_gc_butt =
1055 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1056 gdk_gc_copy(drawing->ruler_gc_butt,
1057 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1058 drawing->ruler_gc_round =
1059 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1060 gdk_gc_copy(drawing->ruler_gc_round,
1061 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1062
1063
1064 gdk_gc_set_line_attributes(drawing->ruler_gc_butt,
1065 2,
1066 GDK_LINE_SOLID,
1067 GDK_CAP_BUTT,
1068 GDK_JOIN_MITER);
1069
1070 gdk_gc_set_line_attributes(drawing->ruler_gc_round,
1071 2,
1072 GDK_LINE_SOLID,
1073 GDK_CAP_ROUND,
1074 GDK_JOIN_ROUND);
1075
1076
1077 return drawing;
1078 }
1079
1080 void drawing_destroy(Drawing_t *drawing)
1081 {
1082 g_info("drawing_destroy %p", drawing);
1083
1084 /* Free the colors */
1085 GdkColormap* colormap = gdk_colormap_get_system();
1086
1087 gdk_colormap_free_colors(colormap, drawing_colors, NUM_COLORS);
1088
1089
1090
1091 // Do not unref here, Drawing_t destroyed by it's widget.
1092 //g_object_unref( G_OBJECT(drawing->drawing_area));
1093 if(drawing->gc != NULL)
1094 gdk_gc_unref(drawing->gc);
1095
1096 g_object_unref(drawing->pango_layout);
1097 if(drawing->dotted_gc != NULL) gdk_gc_unref(drawing->dotted_gc);
1098 if(drawing->ruler_gc_butt != NULL) gdk_gc_unref(drawing->ruler_gc_butt);
1099 if(drawing->ruler_gc_round != NULL) gdk_gc_unref(drawing->ruler_gc_round);
1100
1101 g_free(drawing);
1102 g_info("drawing_destroy end");
1103 }
1104
1105 GtkWidget *drawing_get_drawing_area(Drawing_t *drawing)
1106 {
1107 return drawing->drawing_area;
1108 }
1109
1110 GtkWidget *drawing_get_widget(Drawing_t *drawing)
1111 {
1112 return drawing->vbox;
1113 }
1114
1115 void drawing_draw_line( Drawing_t *drawing,
1116 GdkPixmap *pixmap,
1117 guint x1, guint y1,
1118 guint x2, guint y2,
1119 GdkGC *GC)
1120 {
1121 gdk_draw_line (pixmap,
1122 GC,
1123 x1, y1, x2, y2);
1124 }
1125
1126 void drawing_clear(Drawing_t *drawing)
1127 {
1128 //if (drawing->pixmap)
1129 // gdk_pixmap_unref(drawing->pixmap);
1130 ControlFlowData *cfd = drawing->control_flow_data;
1131
1132
1133 rectangle_pixmap(cfd->process_list,
1134 drawing->drawing_area->style->black_gc,
1135 TRUE,
1136 0, 0,
1137 drawing->alloc_width, // do not overlap
1138 -1);
1139
1140 //drawing->height = 1;
1141 /* Allocate a new pixmap with new height */
1142 //drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1143 // drawing->width + SAFETY + EXTRA_ALLOC,
1144 // drawing->height + EXTRA_ALLOC,
1145 // -1);
1146 //drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1147 //drawing->alloc_height = drawing->height + EXTRA_ALLOC;
1148
1149 //gtk_widget_set_size_request(drawing->drawing_area,
1150 // -1,
1151 // drawing->height);
1152 //gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1153
1154 /* ask for the buffer to be redrawn */
1155 gtk_widget_queue_draw ( drawing->drawing_area);
1156 }
1157
1158 #if 0
1159 /* Insert a square corresponding to a new process in the list */
1160 /* Applies to whole drawing->width */
1161 void drawing_insert_square(Drawing_t *drawing,
1162 guint y,
1163 guint height)
1164 {
1165 //GdkRectangle update_rect;
1166 gboolean reallocate = FALSE;
1167 GdkPixmap *new_pixmap;
1168
1169 /* Allocate a new pixmap with new height */
1170 if(drawing->alloc_height < drawing->height + height) {
1171
1172 new_pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1173 drawing->width + SAFETY + EXTRA_ALLOC,
1174 drawing->height + height + EXTRA_ALLOC,
1175 -1);
1176 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1177 drawing->alloc_height = drawing->height + height + EXTRA_ALLOC;
1178 reallocate = TRUE;
1179
1180 /* Copy the high region */
1181 gdk_draw_pixmap (new_pixmap,
1182 drawing->drawing_area->style->black_gc,
1183 drawing->pixmap,
1184 0, 0,
1185 0, 0,
1186 drawing->width + SAFETY, y);
1187
1188 } else {
1189 new_pixmap = drawing->pixmap;
1190 }
1191
1192 //GdkPixmap *pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1193 // drawing->width + SAFETY,
1194 // drawing->height + height,
1195 // -1);
1196
1197 /* add an empty square */
1198 gdk_draw_rectangle (new_pixmap,
1199 drawing->drawing_area->style->black_gc,
1200 TRUE,
1201 0, y,
1202 drawing->width + SAFETY, // do not overlap
1203 height);
1204
1205 /* copy the bottom of the region */
1206 gdk_draw_pixmap (new_pixmap,
1207 drawing->drawing_area->style->black_gc,
1208 drawing->pixmap,
1209 0, y,
1210 0, y + height,
1211 drawing->width+SAFETY, drawing->height - y);
1212
1213
1214 if(reallocate && likely(drawing->pixmap)) {
1215 gdk_pixmap_unref(drawing->pixmap);
1216 drawing->pixmap = new_pixmap;
1217 }
1218
1219 if(unlikely(drawing->height==1)) drawing->height = height;
1220 else drawing->height += height;
1221
1222 gtk_widget_set_size_request(drawing->drawing_area,
1223 -1,
1224 drawing->height);
1225 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1226
1227 /* ask for the buffer to be redrawn */
1228 gtk_widget_queue_draw_area ( drawing->drawing_area,
1229 0, y,
1230 drawing->width, drawing->height-y);
1231 }
1232
1233
1234 /* Remove a square corresponding to a removed process in the list */
1235 void drawing_remove_square(Drawing_t *drawing,
1236 guint y,
1237 guint height)
1238 {
1239 GdkPixmap *pixmap;
1240
1241 if(unlikely((guint)drawing->height == height)) {
1242 //pixmap = gdk_pixmap_new(
1243 // drawing->drawing_area->window,
1244 // drawing->width + SAFETY,
1245 // 1,
1246 // -1);
1247 pixmap = drawing->pixmap;
1248 drawing->height=1;
1249 } else {
1250 /* Allocate a new pixmap with new height */
1251 //pixmap = gdk_pixmap_new(
1252 // drawing->drawing_area->window,
1253 // drawing->width + SAFETY,
1254 // drawing->height - height,
1255 // -1);
1256 /* Keep the same preallocated pixmap */
1257 pixmap = drawing->pixmap;
1258
1259 /* Copy the high region */
1260 gdk_draw_pixmap (pixmap,
1261 drawing->drawing_area->style->black_gc,
1262 drawing->pixmap,
1263 0, 0,
1264 0, 0,
1265 drawing->width + SAFETY, y);
1266
1267 /* Copy up the bottom of the region */
1268 gdk_draw_pixmap (pixmap,
1269 drawing->drawing_area->style->black_gc,
1270 drawing->pixmap,
1271 0, y + height,
1272 0, y,
1273 drawing->width, drawing->height - y - height);
1274
1275 drawing->height-=height;
1276 }
1277
1278 //if(likely(drawing->pixmap))
1279 // gdk_pixmap_unref(drawing->pixmap);
1280
1281 //drawing->pixmap = pixmap;
1282
1283 gtk_widget_set_size_request(drawing->drawing_area,
1284 -1,
1285 drawing->height);
1286 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1287 /* ask for the buffer to be redrawn */
1288 gtk_widget_queue_draw_area ( drawing->drawing_area,
1289 0, y,
1290 drawing->width, MAX(drawing->height-y, 1));
1291 }
1292 #endif //0
1293
1294 void drawing_update_ruler(Drawing_t *drawing, TimeWindow *time_window)
1295 {
1296 gtk_widget_queue_draw(drawing->ruler);
1297 }
1298
1299 /* Redraw the ruler */
1300 static gboolean
1301 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
1302 {
1303 Drawing_t *drawing = (Drawing_t*)user_data;
1304 TimeWindow time_window = lttvwindow_get_time_window(drawing->control_flow_data->tab);
1305 gchar text[255];
1306
1307 PangoContext *context;
1308 PangoLayout *layout;
1309 PangoFontDescription *FontDesc;
1310 PangoRectangle ink_rect;
1311 gint global_width=0;
1312 GdkColor foreground = { 0, 0, 0, 0 };
1313 GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
1314
1315 LttTime window_end = time_window.end_time;
1316 LttTime half_width =
1317 ltt_time_div(time_window.time_width,2.0);
1318 LttTime window_middle =
1319 ltt_time_add(half_width,
1320 time_window.start_time);
1321 g_debug("ruler expose event");
1322
1323 gdk_draw_rectangle (drawing->ruler->window,
1324 drawing->ruler->style->white_gc,
1325 TRUE,
1326 event->area.x, event->area.y,
1327 event->area.width,
1328 event->area.height);
1329
1330 gdk_draw_line (drawing->ruler->window,
1331 drawing->ruler_gc_butt,
1332 event->area.x, 1,
1333 event->area.x + event->area.width, 1);
1334
1335
1336 snprintf(text, 255, "%lus\n%luns",
1337 time_window.start_time.tv_sec,
1338 time_window.start_time.tv_nsec);
1339
1340 layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
1341
1342 context = pango_layout_get_context(layout);
1343 FontDesc = pango_context_get_font_description(context);
1344
1345 pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
1346 pango_layout_context_changed(layout);
1347
1348 pango_layout_set_text(layout, text, -1);
1349 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1350 global_width += ink_rect.width;
1351
1352 gdk_draw_layout_with_colors(drawing->ruler->window,
1353 drawing->ruler_gc_butt,
1354 0,
1355 6,
1356 layout, &foreground, &background);
1357
1358 gdk_draw_line (drawing->ruler->window,
1359 drawing->ruler_gc_round,
1360 1, 1,
1361 1, 7);
1362
1363
1364 snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
1365 window_end.tv_nsec);
1366
1367 pango_layout_set_text(layout, text, -1);
1368 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1369 global_width += ink_rect.width;
1370
1371 if(global_width <= drawing->ruler->allocation.width)
1372 {
1373 gdk_draw_layout_with_colors(drawing->ruler->window,
1374 drawing->ruler_gc_butt,
1375 drawing->ruler->allocation.width - ink_rect.width,
1376 6,
1377 layout, &foreground, &background);
1378
1379 gdk_draw_line (drawing->ruler->window,
1380 drawing->ruler_gc_butt,
1381 drawing->ruler->allocation.width-1, 1,
1382 drawing->ruler->allocation.width-1, 7);
1383 }
1384
1385
1386 snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
1387 window_middle.tv_nsec);
1388
1389 pango_layout_set_text(layout, text, -1);
1390 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1391 global_width += ink_rect.width;
1392
1393 if(global_width <= drawing->ruler->allocation.width)
1394 {
1395 gdk_draw_layout_with_colors(drawing->ruler->window,
1396 drawing->ruler_gc_butt,
1397 (drawing->ruler->allocation.width - ink_rect.width)/2,
1398 6,
1399 layout, &foreground, &background);
1400
1401 gdk_draw_line (drawing->ruler->window,
1402 drawing->ruler_gc_butt,
1403 drawing->ruler->allocation.width/2, 1,
1404 drawing->ruler->allocation.width/2, 7);
1405
1406
1407
1408
1409 }
1410
1411 g_object_unref(layout);
1412
1413 return FALSE;
1414 }
1415
1416
1417 /* notify mouse on ruler */
1418 static gboolean
1419 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
1420 {
1421 //g_debug("motion");
1422 //eventually follow mouse and show time here
1423 return 0;
1424 }
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