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fix request state computation upon traceset change for detailed event list
[lttv.git] / ltt / branches / poly / lttv / modules / gui / controlflow / drawing.c
1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License Version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
16 * MA 02111-1307, USA.
17 */
18
19 #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 #include <lttv/tracecontext.h>
31 #include <lttvwindow/lttvwindow.h>
32 #include <lttv/state.h>
33 #include <lttv/hook.h>
34
35 #include "drawing.h"
36 #include "eventhooks.h"
37 #include "cfv.h"
38
39 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
40 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
41
42 //FIXME
43 #define TRACE_NUMBER 0
44 #define EXTRA_ALLOC 1024 // pixels
45
46
47 #if 0 /* colors for two lines representation */
48 GdkColor drawing_colors[NUM_COLORS] =
49 { /* Pixel, R, G, B */
50 { 0, 0, 0, 0 }, /* COL_BLACK */
51 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
52 { 0, 0x0FFF, 0xFFFF, 0xFFFF }, /* COL_WAIT_FORK : pale blue */
53 { 0, 0xFFFF, 0xFFFF, 0x0000 }, /* COL_WAIT_CPU : yellow */
54 { 0, 0xFFFF, 0xA000, 0xFCFF }, /* COL_EXIT : pale magenta */
55 { 0, 0xFFFF, 0x0000, 0xFFFF }, /* COL_ZOMBIE : purple */
56 { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_WAIT : red */
57 { 0, 0x0000, 0xFFFF, 0x0000 }, /* COL_RUN : green */
58 { 0, 0x8800, 0xFFFF, 0x8A00 }, /* COL_USER_MODE : pale green */
59 { 0, 0x09FF, 0x01FF, 0xFFFF }, /* COL_SYSCALL : blue */
60 { 0, 0xF900, 0x4200, 0xFF00 }, /* COL_TRAP : pale purple */
61 { 0, 0xFFFF, 0x5AFF, 0x01FF }, /* COL_IRQ : orange */
62 { 0, 0xFFFF, 0xFFFF, 0xFFFF } /* COL_MODE_UNKNOWN : white */
63
64 };
65 #endif //0
66
67
68 GdkColor drawing_colors[NUM_COLORS] =
69 { /* Pixel, R, G, B */
70 { 0, 0, 0, 0 }, /* COL_BLACK */
71 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
72 { 0, 0x0000, 0xFF00, 0x0000 }, /* COL_RUN_USER_MODE : green */
73 { 0, 0x0100, 0x9E00, 0xFFFF }, /* COL_RUN_SYSCALL : pale blue */
74 { 0, 0xFF00, 0xFF00, 0x0100 }, /* COL_RUN_TRAP : yellow */
75 { 0, 0xFFFF, 0x5E00, 0x0000 }, /* COL_RUN_IRQ : red */
76 { 0, 0x6600, 0x0000, 0x0000 }, /* COL_WAIT : dark red */
77 { 0, 0x7700, 0x7700, 0x0000 }, /* COL_WAIT_CPU : dark yellow */
78 { 0, 0x6400, 0x0000, 0x5D00 }, /* COL_ZOMBIE : dark purple */
79 { 0, 0x0700, 0x6400, 0x0000 }, /* COL_WAIT_FORK : dark green */
80 { 0, 0x8900, 0x0000, 0x8400 }, /* COL_EXIT : "less dark" magenta */
81 { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_MODE_UNKNOWN : white */
82 { 0, 0xFFFF, 0xFFFF, 0xFFFF } /* COL_UNNAMED : white */
83
84 };
85
86 /*
87 RUN+USER MODE green
88 RUN+SYSCALL
89 RUN+TRAP
90 RUN+IRQ
91 WAIT+foncé
92 WAIT CPU + WAIT FORK vert foncé ou jaune
93 IRQ rouge
94 TRAP: orange
95 SYSCALL: bleu pâle
96
97 ZOMBIE + WAIT EXIT
98 */
99
100
101 /*****************************************************************************
102 * drawing functions *
103 *****************************************************************************/
104
105 static gboolean
106 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data );
107
108 static gboolean
109 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
110
111
112 /* Function responsible for updating the exposed area.
113 * It must do an events request to the lttvwindow API to ask for this update.
114 * Note : this function cannot clear the background, because it may
115 * erase drawing already present (SAFETY).
116 */
117 void drawing_data_request(Drawing_t *drawing,
118 gint x, gint y,
119 gint width,
120 gint height)
121 {
122 if(width < 0) return ;
123 if(height < 0) return ;
124
125
126 Tab *tab = drawing->control_flow_data->tab;
127 TimeWindow time_window =
128 lttvwindow_get_time_window(tab);
129
130 ControlFlowData *control_flow_data = drawing->control_flow_data;
131 // (ControlFlowData*)g_object_get_data(
132 // G_OBJECT(drawing->drawing_area), "control_flow_data");
133
134 LttTime start, time_end;
135 LttTime window_end = time_window.end_time;
136
137 g_debug("req : window start_time : %lu, %lu", time_window.start_time.tv_sec,
138 time_window.start_time.tv_nsec);
139
140 g_debug("req : window time width : %lu, %lu", time_window.time_width.tv_sec,
141 time_window.time_width.tv_nsec);
142
143 g_debug("req : window_end : %lu, %lu", window_end.tv_sec,
144 window_end.tv_nsec);
145
146 g_debug("x is : %i, x+width is : %i", x, x+width);
147
148 convert_pixels_to_time(drawing->width, x,
149 time_window,
150 &start);
151
152 convert_pixels_to_time(drawing->width, x+width,
153 time_window,
154 &time_end);
155 time_end = ltt_time_add(time_end, ltt_time_one); // because main window
156 // doesn't deliver end time.
157
158 lttvwindow_events_request_remove_all(tab,
159 control_flow_data);
160
161 {
162 /* find the tracehooks */
163 LttvTracesetContext *tsc = lttvwindow_get_traceset_context(tab);
164
165 LttvTraceset *traceset = tsc->ts;
166
167 guint i, k, l, nb_trace;
168
169 LttvTraceState *ts;
170
171 LttvTracefileState *tfs;
172
173 GArray *hooks;
174
175 LttvTraceHook *hook;
176
177 LttvTraceHookByFacility *thf;
178
179 guint ret;
180
181 nb_trace = lttv_traceset_number(traceset);
182 // FIXME : eventually request for more traces
183 // for(i = 0 ; i < nb_trace ; i++) {
184 for(i = 0; i<MIN(TRACE_NUMBER+1, nb_trace);i++)
185 {
186 EventsRequest *events_request = g_new(EventsRequest, 1);
187 // Create the hooks
188 //LttvHooks *event = lttv_hooks_new();
189 LttvHooksById *event_by_id = lttv_hooks_by_id_new();
190 LttvHooks *before_chunk_traceset = lttv_hooks_new();
191 LttvHooks *after_chunk_traceset = lttv_hooks_new();
192 LttvHooks *before_request_hook = lttv_hooks_new();
193 LttvHooks *after_request_hook = lttv_hooks_new();
194
195 lttv_hooks_add(before_chunk_traceset,
196 before_chunk,
197 events_request,
198 LTTV_PRIO_DEFAULT);
199
200 lttv_hooks_add(after_chunk_traceset,
201 after_chunk,
202 events_request,
203 LTTV_PRIO_DEFAULT);
204
205 lttv_hooks_add(before_request_hook,
206 before_request,
207 events_request,
208 LTTV_PRIO_DEFAULT);
209
210 lttv_hooks_add(after_request_hook,
211 after_request,
212 events_request,
213 LTTV_PRIO_DEFAULT);
214
215
216 ts = (LttvTraceState *)tsc->traces[i];
217
218 /* Find the eventtype id for the following events and register the
219 associated by id hooks. */
220
221 hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook));
222 hooks = g_array_set_size(hooks, 13);
223
224 /* before hooks */
225
226 ret = lttv_trace_find_hook(ts->parent.t,
227 LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY,
228 LTT_FIELD_SYSCALL_ID, 0, 0,
229 before_execmode_hook,
230 events_request,
231 &g_array_index(hooks, LttvTraceHook, 0));
232 g_assert(!ret);
233
234 ret = lttv_trace_find_hook(ts->parent.t,
235 LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_EXIT,
236 0, 0, 0,
237 before_execmode_hook,
238 events_request,
239 &g_array_index(hooks, LttvTraceHook, 1));
240 g_assert(!ret);
241
242 ret = lttv_trace_find_hook(ts->parent.t,
243 LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY,
244 LTT_FIELD_TRAP_ID, 0, 0,
245 before_execmode_hook,
246 events_request,
247 &g_array_index(hooks, LttvTraceHook, 2));
248 g_assert(!ret);
249
250 ret = lttv_trace_find_hook(ts->parent.t,
251 LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT,
252 0, 0, 0,
253 before_execmode_hook,
254 events_request,
255 &g_array_index(hooks, LttvTraceHook, 3));
256 g_assert(!ret);
257
258 ret = lttv_trace_find_hook(ts->parent.t,
259 LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY,
260 LTT_FIELD_IRQ_ID, 0, 0,
261 before_execmode_hook,
262 events_request,
263 &g_array_index(hooks, LttvTraceHook, 4));
264 g_assert(!ret);
265
266 ret = lttv_trace_find_hook(ts->parent.t,
267 LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_EXIT,
268 0, 0, 0,
269 before_execmode_hook,
270 events_request,
271 &g_array_index(hooks, LttvTraceHook, 5));
272 g_assert(!ret);
273
274 ret = lttv_trace_find_hook(ts->parent.t,
275 LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE,
276 LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE,
277 before_schedchange_hook,
278 events_request,
279 &g_array_index(hooks, LttvTraceHook, 6));
280 g_assert(!ret);
281
282 ret = lttv_trace_find_hook(ts->parent.t,
283 LTT_FACILITY_PROCESS, LTT_EVENT_EXIT,
284 LTT_FIELD_PID, 0, 0,
285 before_process_exit_hook,
286 events_request,
287 &g_array_index(hooks, LttvTraceHook, 7));
288 g_assert(!ret);
289
290 ret = lttv_trace_find_hook(ts->parent.t,
291 LTT_FACILITY_PROCESS, LTT_EVENT_FREE,
292 LTT_FIELD_PID, 0, 0,
293 before_process_release_hook,
294 events_request,
295 &g_array_index(hooks, LttvTraceHook, 8));
296 g_assert(!ret);
297
298
299 #if 0
300 lttv_trace_find_hook(ts->parent.t,
301 "core", "process", "event_sub_id",
302 "event_data1", "event_data2", before_process_hook,
303 &g_array_index(hooks, LttvTraceHook, 7));
304 #endif //0
305 #if 0
306 lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid",
307 NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7));
308
309 lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL,
310 NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8));
311 #endif //0
312
313 /* after hooks */
314
315 #if 0
316 /**** DESACTIVATED ****/
317 lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id",
318 NULL, NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 8));
319 /**** DESACTIVATED ****/
320 lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL,
321 NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 9));
322
323 /**** DESACTIVATED ****/
324 lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id",
325 NULL, NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 10));
326
327 /**** DESACTIVATED ****/
328 lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL,
329 after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 11));
330
331 /**** DESACTIVATED ****/
332 lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL,
333 NULL, after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 12));
334
335 /**** DESACTIVATED ****/
336 lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL,
337 after_execmode_hook, &g_array_index(hooks, LttvTraceHook, 13));
338 #endif //0
339 #if 0
340 lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out",
341 "out_state", after_schedchange_hook,
342 &g_array_index(hooks, LttvTraceHook, 8));
343
344 lttv_trace_find_hook(ts->parent.t, "core", "process", "event_sub_id",
345 "event_data1", "event_data2", after_process_hook,
346 &g_array_index(hooks, LttvTraceHook, 9));
347 #endif //0
348 ret = lttv_trace_find_hook(ts->parent.t,
349 LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE,
350 LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE,
351 after_schedchange_hook,
352 events_request,
353 &g_array_index(hooks, LttvTraceHook, 9));
354 g_assert(!ret);
355
356 ret = lttv_trace_find_hook(ts->parent.t,
357 LTT_FACILITY_PROCESS, LTT_EVENT_FORK,
358 LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, 0,
359 after_process_fork_hook,
360 events_request,
361 &g_array_index(hooks, LttvTraceHook, 10));
362 g_assert(!ret);
363
364 ret = lttv_trace_find_hook(ts->parent.t,
365 LTT_FACILITY_PROCESS, LTT_EVENT_EXIT,
366 LTT_FIELD_PID, 0, 0,
367 after_process_exit_hook,
368 events_request,
369 &g_array_index(hooks, LttvTraceHook, 11));
370 g_assert(!ret);
371
372 ret = lttv_trace_find_hook(ts->parent.t,
373 LTT_FACILITY_FS, LTT_EVENT_EXEC,
374 0, 0, 0,
375 after_fs_exec_hook,
376 events_request,
377 &g_array_index(hooks, LttvTraceHook, 12));
378 g_assert(!ret);
379
380
381
382 #if 0
383 lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid",
384 NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7));
385
386 lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL,
387 NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8));
388 #endif //0
389
390
391
392 /* Add these hooks to each event_by_id hooks list */
393 /* add before */
394 for(k = 0 ; k < 9 ; k++) {
395 hook = &g_array_index(hooks, LttvTraceHook, k);
396 for(l=0;l<hook->fac_list->len;l++) {
397 thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
398 lttv_hooks_add(lttv_hooks_by_id_find(event_by_id, thf->id),
399 thf->h,
400 thf,
401 LTTV_PRIO_STATE-5);
402 }
403 }
404
405 /* add after */
406 for(k = 9 ; k < 13 ; k++) {
407 hook = &g_array_index(hooks, LttvTraceHook, k);
408 for(l=0;l<hook->fac_list->len;l++) {
409 thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
410 lttv_hooks_add(lttv_hooks_by_id_find(event_by_id, thf->id),
411 thf->h,
412 thf,
413 LTTV_PRIO_STATE+5);
414 }
415 }
416
417 events_request->hooks = hooks;
418
419 // Fill the events request
420 events_request->owner = control_flow_data;
421 events_request->viewer_data = control_flow_data;
422 events_request->servicing = FALSE;
423 events_request->start_time = start;
424 events_request->start_position = NULL;
425 events_request->stop_flag = FALSE;
426 events_request->end_time = time_end;
427 events_request->num_events = G_MAXUINT;
428 events_request->end_position = NULL;
429 events_request->trace = i; /* FIXME */
430 events_request->before_chunk_traceset = before_chunk_traceset;
431 events_request->before_chunk_trace = NULL;
432 events_request->before_chunk_tracefile = NULL;
433 events_request->event = NULL;
434 events_request->event_by_id = event_by_id;
435 events_request->after_chunk_tracefile = NULL;
436 events_request->after_chunk_trace = NULL;
437 events_request->after_chunk_traceset = after_chunk_traceset;
438 events_request->before_request = before_request_hook;
439 events_request->after_request = after_request_hook;
440
441 g_debug("req : start : %lu, %lu", start.tv_sec,
442 start.tv_nsec);
443
444 g_debug("req : end : %lu, %lu", time_end.tv_sec,
445 time_end.tv_nsec);
446
447 lttvwindow_events_request(tab, events_request);
448
449 }
450
451 }
452
453 #if 0
454 lttv_hooks_add(event,
455 before_schedchange_hook,
456 events_request,
457 LTTV_PRIO_STATE-5);
458 lttv_hooks_add(event,
459 after_schedchange_hook,
460 events_request,
461 LTTV_PRIO_STATE+5);
462 lttv_hooks_add(event,
463 before_execmode_hook,
464 events_request,
465 LTTV_PRIO_STATE-5);
466 lttv_hooks_add(event,
467 after_execmode_hook,
468 events_request,
469 LTTV_PRIO_STATE+5);
470 lttv_hooks_add(event,
471 before_process_hook,
472 events_request,
473 LTTV_PRIO_STATE-5);
474 lttv_hooks_add(event,
475 after_process_hook,
476 events_request,
477 LTTV_PRIO_STATE+5);
478 #endif //0
479
480 }
481
482
483 static void set_last_start(gpointer key, gpointer value, gpointer user_data)
484 {
485 ProcessInfo *process_info = (ProcessInfo*)key;
486 HashedProcessData *hashed_process_data = (HashedProcessData*)value;
487 guint x = (guint)user_data;
488
489 hashed_process_data->x.over = x;
490 hashed_process_data->x.over_used = FALSE;
491 hashed_process_data->x.over_marked = FALSE;
492 hashed_process_data->x.middle = x;
493 hashed_process_data->x.middle_used = FALSE;
494 hashed_process_data->x.middle_marked = FALSE;
495 hashed_process_data->x.under = x;
496 hashed_process_data->x.under_used = FALSE;
497 hashed_process_data->x.under_marked = FALSE;
498 hashed_process_data->next_good_time = ltt_time_zero;
499
500 return;
501 }
502
503 void drawing_data_request_begin(EventsRequest *events_request, LttvTracesetState *tss)
504 {
505 g_debug("Begin of data request");
506 ControlFlowData *cfd = events_request->viewer_data;
507 LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(tss);
508 TimeWindow time_window =
509 lttvwindow_get_time_window(cfd->tab);
510
511 guint width = cfd->drawing->width;
512 guint x=0;
513
514 cfd->drawing->last_start = events_request->start_time;
515
516 convert_time_to_pixels(
517 time_window,
518 events_request->start_time,
519 width,
520 &x);
521
522 g_hash_table_foreach(cfd->process_list->process_hash, set_last_start,
523 (gpointer)x);
524
525 }
526
527 void drawing_chunk_begin(EventsRequest *events_request, LttvTracesetState *tss)
528 {
529 g_debug("Begin of chunk");
530 ControlFlowData *cfd = events_request->viewer_data;
531 LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(tss);
532 //LttTime current_time = lttv_traceset_context_get_current_tfc(tsc)->timestamp;
533 guint num_cpu =
534 ltt_trace_get_num_cpu(tss->parent.traces[TRACE_NUMBER]->t);
535
536 cfd->process_list->current_hash_data = g_new(HashedProcessData*,num_cpu);
537 memset(cfd->process_list->current_hash_data, 0,
538 sizeof(HashedProcessData*)*num_cpu);
539 //cfd->drawing->last_start = LTT_TIME_MIN(current_time,
540 // events_request->end_time);
541 }
542
543
544 void drawing_request_expose(EventsRequest *events_request,
545 LttvTracesetState *tss,
546 LttTime end_time)
547 {
548 gint x, x_end, width;
549
550 ControlFlowData *cfd = events_request->viewer_data;
551 LttvTracesetContext *tsc = (LttvTracesetContext*)tss;
552 Drawing_t *drawing = cfd->drawing;
553
554 TimeWindow time_window =
555 lttvwindow_get_time_window(cfd->tab);
556
557 g_debug("request expose");
558
559 convert_time_to_pixels(
560 time_window,
561 end_time,
562 drawing->width,
563 &x_end);
564 x = drawing->damage_begin;
565
566 width = x_end - x;
567
568 drawing->damage_begin = x+width;
569
570 // FIXME ?
571 gtk_widget_queue_draw_area ( drawing->drawing_area,
572 x, 0,
573 width, drawing->drawing_area->allocation.height);
574
575 /* Update directly when scrolling */
576 gdk_window_process_updates(drawing->drawing_area->window,
577 TRUE);
578 }
579
580
581 /* Callbacks */
582
583
584 /* Create a new backing pixmap of the appropriate size */
585 /* As the scaling will always change, it's of no use to copy old
586 * pixmap.
587 *
588 * Only change the size if width changes. The height is specified and changed
589 * when process ID are added or removed from the process list.
590 */
591 static gboolean
592 configure_event( GtkWidget *widget, GdkEventConfigure *event,
593 gpointer user_data)
594 {
595 Drawing_t *drawing = (Drawing_t*)user_data;
596
597
598 /* First, get the new time interval of the main window */
599 /* we assume (see documentation) that the main window
600 * has updated the time interval before this configure gets
601 * executed.
602 */
603 //lttvwindow_get_time_window(drawing->control_flow_data->mw,
604 // &drawing->control_flow_data->time_window);
605
606 /* New pixmap, size of the configure event */
607 //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
608 // widget->allocation.width + SAFETY,
609 // widget->allocation.height + SAFETY,
610 // -1);
611
612 if(widget->allocation.width != drawing->width) {
613 g_debug("drawing configure event");
614 g_debug("New alloc draw size : %i by %i",widget->allocation.width,
615 widget->allocation.height);
616
617 drawing->width = widget->allocation.width;
618
619 if(drawing->alloc_width < widget->allocation.width) {
620 //if(drawing->pixmap)
621 // gdk_pixmap_unref(drawing->pixmap);
622
623 //drawing->pixmap = gdk_pixmap_new(widget->window,
624 // drawing->width + SAFETY + EXTRA_ALLOC,
625 // drawing->height + EXTRA_ALLOC,
626 // -1);
627 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
628 drawing->alloc_height = drawing->height + EXTRA_ALLOC;
629 update_pixmap_size(drawing->control_flow_data->process_list,
630 drawing->alloc_width);
631 update_index_to_pixmap(drawing->control_flow_data->process_list);
632 }
633 //drawing->height = widget->allocation.height;
634
635 //ProcessList_get_height
636 // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
637
638
639 // Clear the image
640 //gdk_draw_rectangle (drawing->pixmap,
641 // widget->style->black_gc,
642 // TRUE,
643 // 0, 0,
644 // drawing->width+SAFETY,
645 // drawing->height);
646
647 //g_info("init data request");
648
649
650 /* Initial data request */
651 /* no, do initial data request in the expose event */
652 // Do not need to ask for data of 1 pixel : not synchronized with
653 // main window time at this moment.
654 //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
655 // widget->allocation.width,
656 // widget->allocation.height);
657
658 //drawing->width = widget->allocation.width;
659 //drawing->height = widget->allocation.height;
660
661 drawing->damage_begin = 0;
662 drawing->damage_end = widget->allocation.width;
663
664 if((widget->allocation.width != 1 &&
665 widget->allocation.height != 1)
666 && drawing->damage_begin < drawing->damage_end)
667 {
668
669 rectangle_pixmap (drawing->control_flow_data->process_list,
670 drawing->drawing_area->style->black_gc,
671 TRUE,
672 0, 0,
673 drawing->alloc_width, // do not overlap
674 -1);
675
676
677 drawing_data_request(drawing,
678 drawing->damage_begin,
679 0,
680 drawing->damage_end - drawing->damage_begin,
681 drawing->height);
682 }
683 }
684 return TRUE;
685 }
686
687
688 /* Redraw the screen from the backing pixmap */
689 static gboolean
690 expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
691 {
692 Drawing_t *drawing = (Drawing_t*)user_data;
693
694 ControlFlowData *control_flow_data =
695 (ControlFlowData*)g_object_get_data(
696 G_OBJECT(widget),
697 "control_flow_data");
698 #if 0
699 if(unlikely(drawing->gc == NULL)) {
700 drawing->gc = gdk_gc_new(drawing->drawing_area->window);
701 gdk_gc_copy(drawing->gc, drawing->drawing_area->style->black_gc);
702 }
703 #endif //0
704 TimeWindow time_window =
705 lttvwindow_get_time_window(control_flow_data->tab);
706 LttTime current_time =
707 lttvwindow_get_current_time(control_flow_data->tab);
708
709 guint cursor_x=0;
710
711 LttTime window_end = time_window.end_time;
712
713 /* update the screen from the pixmap buffer */
714 #if 0
715 gdk_draw_pixmap(widget->window,
716 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
717 drawing->pixmap,
718 event->area.x, event->area.y,
719 event->area.x, event->area.y,
720 event->area.width, event->area.height);
721 #endif //0
722 drawing->height = processlist_get_height(control_flow_data->process_list);
723 #if 0
724 copy_pixmap_to_screen(control_flow_data->process_list,
725 widget->window,
726 widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
727 event->area.x, event->area.y,
728 event->area.width, event->area.height);
729 #endif //0
730 copy_pixmap_to_screen(control_flow_data->process_list,
731 widget->window,
732 drawing->gc,
733 event->area.x, event->area.y,
734 event->area.width, event->area.height);
735
736
737 /* Erase the dotted lines left.. */
738 if(widget->allocation.height > drawing->height)
739 {
740 gdk_draw_rectangle (widget->window,
741 drawing->drawing_area->style->black_gc,
742 TRUE,
743 event->area.x, drawing->height,
744 event->area.width, // do not overlap
745 widget->allocation.height - drawing->height);
746 }
747 if(ltt_time_compare(time_window.start_time, current_time) <= 0 &&
748 ltt_time_compare(window_end, current_time) >= 0)
749 {
750 /* Draw the dotted lines */
751 convert_time_to_pixels(
752 time_window,
753 current_time,
754 drawing->width,
755 &cursor_x);
756
757 #if 0
758 if(drawing->dotted_gc == NULL) {
759
760 drawing->dotted_gc = gdk_gc_new(drawing->drawing_area->window);
761 gdk_gc_copy(drawing->dotted_gc, widget->style->white_gc);
762
763 gint8 dash_list[] = { 1, 2 };
764 gdk_gc_set_line_attributes(drawing->dotted_gc,
765 1,
766 GDK_LINE_ON_OFF_DASH,
767 GDK_CAP_BUTT,
768 GDK_JOIN_MITER);
769 gdk_gc_set_dashes(drawing->dotted_gc,
770 0,
771 dash_list,
772 2);
773 }
774 #endif //0
775 gint height_tot = MAX(widget->allocation.height, drawing->height);
776 gdk_draw_line(widget->window,
777 drawing->dotted_gc,
778 cursor_x, 0,
779 cursor_x, height_tot);
780 }
781 return FALSE;
782 }
783
784 static gboolean
785 after_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
786 {
787 //g_assert(0);
788 g_debug("AFTER EXPOSE");
789
790 return FALSE;
791
792
793 }
794
795 #if 0
796 void
797 tree_row_activated(GtkTreeModel *treemodel,
798 GtkTreePath *arg1,
799 GtkTreeViewColumn *arg2,
800 gpointer user_data)
801 {
802 ControlFlowData *cfd = (ControlFlowData*)user_data;
803 Drawing_t *drawing = cfd->drawing;
804 GtkTreeView *treeview = cfd->process_list->process_list_widget;
805 gint *path_indices;
806 gint height;
807
808 path_indices = gtk_tree_path_get_indices (arg1);
809
810 height = get_cell_height(cfd->process_list,
811 GTK_TREE_VIEW(treeview));
812 drawing->horizontal_sel = height * path_indices[0];
813 g_critical("new hor sel : %i", drawing->horizontal_sel);
814 }
815 #endif //0
816
817 /* mouse click */
818 static gboolean
819 button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
820 {
821 ControlFlowData *control_flow_data =
822 (ControlFlowData*)g_object_get_data(
823 G_OBJECT(widget),
824 "control_flow_data");
825 Drawing_t *drawing = control_flow_data->drawing;
826 TimeWindow time_window =
827 lttvwindow_get_time_window(control_flow_data->tab);
828
829 g_debug("click");
830 if(event->button == 1)
831 {
832 LttTime time;
833
834 /* left mouse button click */
835 g_debug("x click is : %f", event->x);
836
837 convert_pixels_to_time(drawing->width, (guint)event->x,
838 time_window,
839 &time);
840
841 lttvwindow_report_current_time(control_flow_data->tab, time);
842
843 }
844
845 return FALSE;
846 }
847
848 static gboolean
849 scrollbar_size_allocate(GtkWidget *widget,
850 GtkAllocation *allocation,
851 gpointer user_data)
852 {
853 Drawing_t *drawing = (Drawing_t*)user_data;
854
855 gtk_widget_set_size_request(drawing->padding, allocation->width, -1);
856 //gtk_widget_queue_resize(drawing->padding);
857 //gtk_widget_queue_resize(drawing->ruler);
858 gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
859 return 0;
860 }
861
862
863
864 Drawing_t *drawing_construct(ControlFlowData *control_flow_data)
865 {
866 Drawing_t *drawing = g_new(Drawing_t, 1);
867
868 drawing->control_flow_data = control_flow_data;
869
870 drawing->vbox = gtk_vbox_new(FALSE, 1);
871
872
873 drawing->ruler_hbox = gtk_hbox_new(FALSE, 1);
874 drawing->ruler = gtk_drawing_area_new ();
875 //gtk_widget_set_size_request(drawing->ruler, -1, 27);
876
877 drawing->padding = gtk_drawing_area_new ();
878 //gtk_widget_set_size_request(drawing->padding, -1, 27);
879 gtk_box_pack_start(GTK_BOX(drawing->ruler_hbox), drawing->ruler,
880 TRUE, TRUE, 0);
881 gtk_box_pack_end(GTK_BOX(drawing->ruler_hbox), drawing->padding,
882 FALSE, FALSE, 0);
883
884
885
886 drawing->drawing_area = gtk_drawing_area_new ();
887
888 drawing->gc = NULL;
889
890 drawing->hbox = gtk_hbox_new(FALSE, 1);
891 drawing->viewport = gtk_viewport_new(NULL, control_flow_data->v_adjust);
892 drawing->scrollbar = gtk_vscrollbar_new(control_flow_data->v_adjust);
893 gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport,
894 TRUE, TRUE, 0);
895 gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar,
896 FALSE, FALSE, 0);
897
898 //drawing->scrolled_window =
899 // gtk_scrolled_window_new (NULL,
900 // control_flow_data->v_adjust);
901
902 //gtk_scrolled_window_set_policy(
903 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
904 // GTK_POLICY_NEVER,
905 // GTK_POLICY_AUTOMATIC);
906
907 gtk_container_add(GTK_CONTAINER(drawing->viewport),
908 drawing->drawing_area);
909 //gtk_scrolled_window_add_with_viewport(
910 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
911 // drawing->drawing_area);
912
913 gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox,
914 FALSE, FALSE, 0);
915 gtk_box_pack_end(GTK_BOX(drawing->vbox), drawing->hbox,
916 TRUE, TRUE, 0);
917
918 drawing->pango_layout =
919 gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
920
921 drawing->height = 1;
922 drawing->width = 1;
923 drawing->depth = 0;
924 drawing->alloc_height = 1;
925 drawing->alloc_width = 1;
926
927 drawing->damage_begin = 0;
928 drawing->damage_end = 0;
929 drawing->horizontal_sel = -1;
930
931 //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
932 g_object_set_data_full(
933 G_OBJECT(drawing->drawing_area),
934 "Link_drawing_Data",
935 drawing,
936 (GDestroyNotify)drawing_destroy);
937
938 g_object_set_data(
939 G_OBJECT(drawing->ruler),
940 "drawing",
941 drawing);
942
943
944 //gtk_widget_modify_bg( drawing->drawing_area,
945 // GTK_STATE_NORMAL,
946 // &CF_Colors[BLACK]);
947
948 //gdk_window_get_geometry(drawing->drawing_area->window,
949 // NULL, NULL,
950 // &(drawing->width),
951 // &(drawing->height),
952 // -1);
953
954 //drawing->pixmap = gdk_pixmap_new(
955 // drawing->drawing_area->window,
956 // drawing->width,
957 // drawing->height,
958 // drawing->depth);
959
960 //drawing->pixmap = NULL;
961
962 // drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
963 // drawing->drawing_area->allocation.width,
964 // drawing->drawing_area->allocation.height,
965 // -1);
966
967 g_signal_connect (G_OBJECT(drawing->drawing_area),
968 "configure_event",
969 G_CALLBACK (configure_event),
970 (gpointer)drawing);
971
972 g_signal_connect (G_OBJECT(drawing->ruler),
973 "expose_event",
974 G_CALLBACK(expose_ruler),
975 (gpointer)drawing);
976
977 gtk_widget_add_events(drawing->ruler, GDK_POINTER_MOTION_MASK);
978
979 g_signal_connect (G_OBJECT(drawing->ruler),
980 "motion-notify-event",
981 G_CALLBACK(motion_notify_ruler),
982 (gpointer)drawing);
983
984
985 g_signal_connect (G_OBJECT(drawing->scrollbar),
986 "size-allocate",
987 G_CALLBACK(scrollbar_size_allocate),
988 (gpointer)drawing);
989
990
991
992 g_signal_connect (G_OBJECT(drawing->drawing_area),
993 "expose_event",
994 G_CALLBACK (expose_event),
995 (gpointer)drawing);
996
997 g_signal_connect_after (G_OBJECT(drawing->drawing_area),
998 "expose_event",
999 G_CALLBACK (after_expose_event),
1000 (gpointer)drawing);
1001
1002 g_signal_connect (G_OBJECT(drawing->drawing_area),
1003 "button-press-event",
1004 G_CALLBACK (button_press_event),
1005 (gpointer)drawing);
1006
1007 gtk_widget_show(drawing->ruler);
1008 gtk_widget_show(drawing->padding);
1009 gtk_widget_show(drawing->ruler_hbox);
1010
1011 gtk_widget_show(drawing->drawing_area);
1012 //gtk_widget_show(drawing->scrolled_window);
1013 gtk_widget_show(drawing->viewport);
1014 gtk_widget_show(drawing->scrollbar);
1015 gtk_widget_show(drawing->hbox);
1016
1017 /* Allocate the colors */
1018 GdkColormap* colormap = gdk_colormap_get_system();
1019 gboolean success[NUM_COLORS];
1020 gdk_colormap_alloc_colors(colormap, drawing_colors, NUM_COLORS, FALSE,
1021 TRUE, success);
1022
1023 drawing->gc =
1024 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1025 drawing->dotted_gc =
1026 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1027
1028 gdk_gc_copy(drawing->gc,
1029 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1030 gdk_gc_copy(drawing->dotted_gc,
1031 main_window_get_widget(control_flow_data->tab)->style->white_gc);
1032
1033 gint8 dash_list[] = { 1, 2 };
1034 gdk_gc_set_line_attributes(drawing->dotted_gc,
1035 1,
1036 GDK_LINE_ON_OFF_DASH,
1037 GDK_CAP_BUTT,
1038 GDK_JOIN_MITER);
1039 gdk_gc_set_dashes(drawing->dotted_gc,
1040 0,
1041 dash_list,
1042 2);
1043
1044 drawing->ruler_gc_butt =
1045 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1046 gdk_gc_copy(drawing->ruler_gc_butt,
1047 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1048 drawing->ruler_gc_round =
1049 gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(control_flow_data->tab)->window));
1050 gdk_gc_copy(drawing->ruler_gc_round,
1051 main_window_get_widget(control_flow_data->tab)->style->black_gc);
1052
1053
1054 gdk_gc_set_line_attributes(drawing->ruler_gc_butt,
1055 2,
1056 GDK_LINE_SOLID,
1057 GDK_CAP_BUTT,
1058 GDK_JOIN_MITER);
1059
1060 gdk_gc_set_line_attributes(drawing->ruler_gc_round,
1061 2,
1062 GDK_LINE_SOLID,
1063 GDK_CAP_ROUND,
1064 GDK_JOIN_ROUND);
1065
1066
1067 return drawing;
1068 }
1069
1070 void drawing_destroy(Drawing_t *drawing)
1071 {
1072 g_info("drawing_destroy %p", drawing);
1073
1074 /* Free the colors */
1075 GdkColormap* colormap = gdk_colormap_get_system();
1076
1077 gdk_colormap_free_colors(colormap, drawing_colors, NUM_COLORS);
1078
1079
1080
1081 // Do not unref here, Drawing_t destroyed by it's widget.
1082 //g_object_unref( G_OBJECT(drawing->drawing_area));
1083 if(drawing->gc != NULL)
1084 gdk_gc_unref(drawing->gc);
1085
1086 g_free(drawing->pango_layout);
1087 if(drawing->dotted_gc != NULL) gdk_gc_unref(drawing->dotted_gc);
1088 if(drawing->ruler_gc_butt != NULL) gdk_gc_unref(drawing->ruler_gc_butt);
1089 if(drawing->ruler_gc_round != NULL) gdk_gc_unref(drawing->ruler_gc_round);
1090
1091 g_free(drawing);
1092 g_info("drawing_destroy end");
1093 }
1094
1095 GtkWidget *drawing_get_drawing_area(Drawing_t *drawing)
1096 {
1097 return drawing->drawing_area;
1098 }
1099
1100 GtkWidget *drawing_get_widget(Drawing_t *drawing)
1101 {
1102 return drawing->vbox;
1103 }
1104
1105 void drawing_draw_line( Drawing_t *drawing,
1106 GdkPixmap *pixmap,
1107 guint x1, guint y1,
1108 guint x2, guint y2,
1109 GdkGC *GC)
1110 {
1111 gdk_draw_line (pixmap,
1112 GC,
1113 x1, y1, x2, y2);
1114 }
1115
1116 void drawing_clear(Drawing_t *drawing)
1117 {
1118 //if (drawing->pixmap)
1119 // gdk_pixmap_unref(drawing->pixmap);
1120 ControlFlowData *cfd = drawing->control_flow_data;
1121
1122
1123 rectangle_pixmap(cfd->process_list,
1124 drawing->drawing_area->style->black_gc,
1125 TRUE,
1126 0, 0,
1127 drawing->alloc_width, // do not overlap
1128 -1);
1129
1130 //drawing->height = 1;
1131 /* Allocate a new pixmap with new height */
1132 //drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1133 // drawing->width + SAFETY + EXTRA_ALLOC,
1134 // drawing->height + EXTRA_ALLOC,
1135 // -1);
1136 //drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1137 //drawing->alloc_height = drawing->height + EXTRA_ALLOC;
1138
1139 //gtk_widget_set_size_request(drawing->drawing_area,
1140 // -1,
1141 // drawing->height);
1142 //gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1143
1144 /* ask for the buffer to be redrawn */
1145 gtk_widget_queue_draw ( drawing->drawing_area);
1146 }
1147
1148 #if 0
1149 /* Insert a square corresponding to a new process in the list */
1150 /* Applies to whole drawing->width */
1151 void drawing_insert_square(Drawing_t *drawing,
1152 guint y,
1153 guint height)
1154 {
1155 //GdkRectangle update_rect;
1156 gboolean reallocate = FALSE;
1157 GdkPixmap *new_pixmap;
1158
1159 /* Allocate a new pixmap with new height */
1160 if(drawing->alloc_height < drawing->height + height) {
1161
1162 new_pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1163 drawing->width + SAFETY + EXTRA_ALLOC,
1164 drawing->height + height + EXTRA_ALLOC,
1165 -1);
1166 drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
1167 drawing->alloc_height = drawing->height + height + EXTRA_ALLOC;
1168 reallocate = TRUE;
1169
1170 /* Copy the high region */
1171 gdk_draw_pixmap (new_pixmap,
1172 drawing->drawing_area->style->black_gc,
1173 drawing->pixmap,
1174 0, 0,
1175 0, 0,
1176 drawing->width + SAFETY, y);
1177
1178 } else {
1179 new_pixmap = drawing->pixmap;
1180 }
1181
1182 //GdkPixmap *pixmap = gdk_pixmap_new(drawing->drawing_area->window,
1183 // drawing->width + SAFETY,
1184 // drawing->height + height,
1185 // -1);
1186
1187 /* add an empty square */
1188 gdk_draw_rectangle (new_pixmap,
1189 drawing->drawing_area->style->black_gc,
1190 TRUE,
1191 0, y,
1192 drawing->width + SAFETY, // do not overlap
1193 height);
1194
1195 /* copy the bottom of the region */
1196 gdk_draw_pixmap (new_pixmap,
1197 drawing->drawing_area->style->black_gc,
1198 drawing->pixmap,
1199 0, y,
1200 0, y + height,
1201 drawing->width+SAFETY, drawing->height - y);
1202
1203
1204 if(reallocate && likely(drawing->pixmap)) {
1205 gdk_pixmap_unref(drawing->pixmap);
1206 drawing->pixmap = new_pixmap;
1207 }
1208
1209 if(unlikely(drawing->height==1)) drawing->height = height;
1210 else drawing->height += height;
1211
1212 gtk_widget_set_size_request(drawing->drawing_area,
1213 -1,
1214 drawing->height);
1215 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1216
1217 /* ask for the buffer to be redrawn */
1218 gtk_widget_queue_draw_area ( drawing->drawing_area,
1219 0, y,
1220 drawing->width, drawing->height-y);
1221 }
1222
1223
1224 /* Remove a square corresponding to a removed process in the list */
1225 void drawing_remove_square(Drawing_t *drawing,
1226 guint y,
1227 guint height)
1228 {
1229 GdkPixmap *pixmap;
1230
1231 if(unlikely((guint)drawing->height == height)) {
1232 //pixmap = gdk_pixmap_new(
1233 // drawing->drawing_area->window,
1234 // drawing->width + SAFETY,
1235 // 1,
1236 // -1);
1237 pixmap = drawing->pixmap;
1238 drawing->height=1;
1239 } else {
1240 /* Allocate a new pixmap with new height */
1241 //pixmap = gdk_pixmap_new(
1242 // drawing->drawing_area->window,
1243 // drawing->width + SAFETY,
1244 // drawing->height - height,
1245 // -1);
1246 /* Keep the same preallocated pixmap */
1247 pixmap = drawing->pixmap;
1248
1249 /* Copy the high region */
1250 gdk_draw_pixmap (pixmap,
1251 drawing->drawing_area->style->black_gc,
1252 drawing->pixmap,
1253 0, 0,
1254 0, 0,
1255 drawing->width + SAFETY, y);
1256
1257 /* Copy up the bottom of the region */
1258 gdk_draw_pixmap (pixmap,
1259 drawing->drawing_area->style->black_gc,
1260 drawing->pixmap,
1261 0, y + height,
1262 0, y,
1263 drawing->width, drawing->height - y - height);
1264
1265 drawing->height-=height;
1266 }
1267
1268 //if(likely(drawing->pixmap))
1269 // gdk_pixmap_unref(drawing->pixmap);
1270
1271 //drawing->pixmap = pixmap;
1272
1273 gtk_widget_set_size_request(drawing->drawing_area,
1274 -1,
1275 drawing->height);
1276 gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
1277 /* ask for the buffer to be redrawn */
1278 gtk_widget_queue_draw_area ( drawing->drawing_area,
1279 0, y,
1280 drawing->width, MAX(drawing->height-y, 1));
1281 }
1282 #endif //0
1283
1284 void drawing_update_ruler(Drawing_t *drawing, TimeWindow *time_window)
1285 {
1286 GtkRequisition req;
1287 GdkRectangle rect;
1288
1289 req.width = drawing->ruler->allocation.width;
1290 req.height = drawing->ruler->allocation.height;
1291
1292
1293 rect.x = 0;
1294 rect.y = 0;
1295 rect.width = req.width;
1296 rect.height = req.height;
1297
1298 gtk_widget_queue_draw(drawing->ruler);
1299 //gtk_widget_draw( drawing->ruler, &rect);
1300 }
1301
1302 /* Redraw the ruler */
1303 static gboolean
1304 expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
1305 {
1306 Drawing_t *drawing = (Drawing_t*)user_data;
1307 TimeWindow time_window = lttvwindow_get_time_window(drawing->control_flow_data->tab);
1308 gchar text[255];
1309
1310 PangoContext *context;
1311 PangoLayout *layout;
1312 PangoFontDescription *FontDesc;
1313 PangoRectangle ink_rect;
1314 gint global_width=0;
1315 GdkColor foreground = { 0, 0, 0, 0 };
1316 GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
1317
1318 LttTime window_end = time_window.end_time;
1319 LttTime half_width =
1320 ltt_time_div(time_window.time_width,2.0);
1321 LttTime window_middle =
1322 ltt_time_add(half_width,
1323 time_window.start_time);
1324 g_debug("ruler expose event");
1325
1326 gdk_draw_rectangle (drawing->ruler->window,
1327 drawing->ruler->style->white_gc,
1328 TRUE,
1329 event->area.x, event->area.y,
1330 event->area.width,
1331 event->area.height);
1332
1333 gdk_draw_line (drawing->ruler->window,
1334 drawing->ruler_gc_butt,
1335 event->area.x, 1,
1336 event->area.x + event->area.width, 1);
1337
1338
1339 snprintf(text, 255, "%lus\n%luns",
1340 time_window.start_time.tv_sec,
1341 time_window.start_time.tv_nsec);
1342
1343 layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
1344
1345 context = pango_layout_get_context(layout);
1346 FontDesc = pango_context_get_font_description(context);
1347
1348 pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
1349 pango_layout_context_changed(layout);
1350
1351 pango_layout_set_text(layout, text, -1);
1352 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1353 global_width += ink_rect.width;
1354
1355 gdk_draw_layout_with_colors(drawing->ruler->window,
1356 drawing->ruler_gc_butt,
1357 0,
1358 6,
1359 layout, &foreground, &background);
1360
1361 gdk_draw_line (drawing->ruler->window,
1362 drawing->ruler_gc_round,
1363 1, 1,
1364 1, 7);
1365
1366
1367 snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
1368 window_end.tv_nsec);
1369
1370 pango_layout_set_text(layout, text, -1);
1371 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1372 global_width += ink_rect.width;
1373
1374 if(global_width <= drawing->ruler->allocation.width)
1375 {
1376 gdk_draw_layout_with_colors(drawing->ruler->window,
1377 drawing->ruler_gc_butt,
1378 drawing->ruler->allocation.width - ink_rect.width,
1379 6,
1380 layout, &foreground, &background);
1381
1382 gdk_draw_line (drawing->ruler->window,
1383 drawing->ruler_gc_butt,
1384 drawing->ruler->allocation.width-1, 1,
1385 drawing->ruler->allocation.width-1, 7);
1386 }
1387
1388
1389 snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
1390 window_middle.tv_nsec);
1391
1392 pango_layout_set_text(layout, text, -1);
1393 pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
1394 global_width += ink_rect.width;
1395
1396 if(global_width <= drawing->ruler->allocation.width)
1397 {
1398 gdk_draw_layout_with_colors(drawing->ruler->window,
1399 drawing->ruler_gc_butt,
1400 (drawing->ruler->allocation.width - ink_rect.width)/2,
1401 6,
1402 layout, &foreground, &background);
1403
1404 gdk_draw_line (drawing->ruler->window,
1405 drawing->ruler_gc_butt,
1406 drawing->ruler->allocation.width/2, 1,
1407 drawing->ruler->allocation.width/2, 7);
1408
1409
1410
1411
1412 }
1413
1414 g_object_unref(layout);
1415
1416 return FALSE;
1417 }
1418
1419
1420 /* notify mouse on ruler */
1421 static gboolean
1422 motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
1423 {
1424 //g_debug("motion");
1425 //eventually follow mouse and show time here
1426 }
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