1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
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;
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.
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,
22 #include <lttv/lttv.h>
23 #include <lttv/tracecontext.h>
24 #include <lttvwindow/lttvwindow.h>
25 #include <lttv/state.h>
26 #include <lttv/hook.h>
29 #include "eventhooks.h"
31 #include "cfv-private.h"
33 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
34 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
36 /*****************************************************************************
38 *****************************************************************************/
41 expose_ruler( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
);
44 motion_notify_ruler(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer user_data
);
47 //FIXME Colors will need to be dynamic. Graphic context part not done so far.
58 /* Vector of unallocated colors */
59 static GdkColor CF_Colors
[] =
61 { 0, 0xffff, 0x0000, 0x0000 }, // RED
62 { 0, 0x0000, 0xffff, 0x0000 }, // GREEN
63 { 0, 0x0000, 0x0000, 0xffff }, // BLUE
64 { 0, 0xffff, 0xffff, 0xffff }, // WHITE
65 { 0, 0x0000, 0x0000, 0x0000 } // BLACK
69 /* Function responsible for updating the exposed area.
70 * It must do an events request to the lttvwindow API to ask for this update.
71 * Note : this function cannot clear the background, because it may
72 * erase drawing already present (SAFETY).
74 void drawing_data_request(Drawing_t
*drawing
,
80 if(width
< 0) return ;
81 if(height
< 0) return ;
83 if(drawing
->gc
== NULL
) {
84 drawing
->gc
= gdk_gc_new(drawing
->drawing_area
->window
);
85 gdk_gc_copy(drawing
->gc
, drawing
->drawing_area
->style
->black_gc
);
90 TimeWindow time_window
=
91 lttvwindow_get_time_window(drawing
->control_flow_data
->tab
);
93 ControlFlowData
*control_flow_data
= drawing
->control_flow_data
;
94 Tab
*tab
= control_flow_data
->tab
;
95 // (ControlFlowData*)g_object_get_data(
96 // G_OBJECT(drawing->drawing_area), "control_flow_data");
98 LttTime start
, time_end
;
99 LttTime window_end
= ltt_time_add(time_window
.time_width
,
100 time_window
.start_time
);
102 g_debug("req : window start_time : %u, %u", time_window
.start_time
.tv_sec
,
103 time_window
.start_time
.tv_nsec
);
105 g_debug("req : window time width : %u, %u", time_window
.time_width
.tv_sec
,
106 time_window
.time_width
.tv_nsec
);
108 g_debug("req : window_end : %u, %u", window_end
.tv_sec
,
111 g_debug("x is : %i, x+width is : %i", x
, x
+width
);
113 convert_pixels_to_time(drawing
->width
, x
,
114 time_window
.start_time
,
118 convert_pixels_to_time(drawing
->width
, x
+width
,
119 time_window
.start_time
,
123 EventsRequest
*events_request
= g_new(EventsRequest
, 1);
125 LttvHooks
*event
= lttv_hooks_new();
126 LttvHooks
*before_chunk_traceset
= lttv_hooks_new();
127 LttvHooks
*after_chunk_traceset
= lttv_hooks_new();
128 LttvHooks
*before_request_hook
= lttv_hooks_new();
129 LttvHooks
*after_request_hook
= lttv_hooks_new();
131 lttv_hooks_add(before_chunk_traceset
,
136 lttv_hooks_add(after_chunk_traceset
,
141 lttv_hooks_add(before_request_hook
,
146 lttv_hooks_add(after_request_hook
,
152 lttv_hooks_add(event
,
156 lttv_hooks_add(event
,
161 // Fill the events request
162 events_request
->owner
= control_flow_data
;
163 events_request
->viewer_data
= control_flow_data
;
164 events_request
->servicing
= FALSE
;
165 events_request
->start_time
= start
;
166 events_request
->start_position
= NULL
;
167 events_request
->stop_flag
= FALSE
;
168 events_request
->end_time
= time_end
;
169 events_request
->num_events
= G_MAXUINT
;
170 events_request
->end_position
= NULL
;
171 events_request
->before_chunk_traceset
= before_chunk_traceset
;
172 events_request
->before_chunk_trace
= NULL
;
173 events_request
->before_chunk_tracefile
= NULL
;
174 events_request
->event
= event
;
175 events_request
->event_by_id
= NULL
;
176 events_request
->after_chunk_tracefile
= NULL
;
177 events_request
->after_chunk_trace
= NULL
;
178 events_request
->after_chunk_traceset
= after_chunk_traceset
;
179 events_request
->before_request
= before_request_hook
;
180 events_request
->after_request
= after_request_hook
;
182 g_debug("req : start : %u, %u", start
.tv_sec
,
185 g_debug("req : end : %u, %u", time_end
.tv_sec
,
188 lttvwindow_events_request_remove_all(tab
,
190 lttvwindow_events_request(tab
, events_request
);
194 static void set_last_start(gpointer key
, gpointer value
, gpointer user_data
)
196 ProcessInfo
*process_info
= (ProcessInfo
*)key
;
197 HashedProcessData
*hashed_process_data
= (HashedProcessData
*)value
;
198 guint x
= (guint
)user_data
;
200 hashed_process_data
->x
= x
;
205 void drawing_data_request_begin(EventsRequest
*events_request
, LttvTracesetState
*tss
)
207 g_debug("Begin of data request");
208 ControlFlowData
*cfd
= events_request
->viewer_data
;
209 LttvTracesetContext
*tsc
= LTTV_TRACESET_CONTEXT(tss
);
210 TimeWindow time_window
=
211 lttvwindow_get_time_window(cfd
->tab
);
212 LttTime end_time
= ltt_time_add(time_window
.start_time
,
213 time_window
.time_width
);
214 guint width
= cfd
->drawing
->width
;
217 cfd
->drawing
->last_start
= events_request
->start_time
;
219 convert_time_to_pixels(
220 time_window
.start_time
,
222 events_request
->start_time
,
226 g_hash_table_foreach(cfd
->process_list
->process_hash
, set_last_start
,
230 void drawing_chunk_begin(EventsRequest
*events_request
, LttvTracesetState
*tss
)
232 g_debug("Begin of chunk");
233 ControlFlowData
*cfd
= events_request
->viewer_data
;
234 LttvTracesetContext
*tsc
= LTTV_TRACESET_CONTEXT(tss
);
235 LttTime current_time
= lttv_traceset_context_get_current_tfc(tsc
)->timestamp
;
237 cfd
->drawing
->last_start
= current_time
;
241 void drawing_request_expose(EventsRequest
*events_request
,
242 LttvTracesetState
*tss
,
245 gint x
, x_end
, width
;
247 ControlFlowData
*cfd
= events_request
->viewer_data
;
248 LttvTracesetContext
*tsc
= LTTV_TRACESET_CONTEXT(tss
);
249 Drawing_t
*drawing
= cfd
->drawing
;
251 TimeWindow time_window
=
252 lttvwindow_get_time_window(cfd
->tab
);
254 g_debug("request expose");
256 LttTime window_end
= ltt_time_add(time_window
.time_width
,
257 time_window
.start_time
);
259 convert_time_to_pixels(
260 time_window
.start_time
,
262 cfd
->drawing
->last_start
,
266 convert_time_to_pixels(
267 time_window
.start_time
,
275 drawing
->damage_begin
= x
+width
;
276 //drawing->damage_end = drawing->width;
278 /* ask for the buffer to be redrawn */
280 //gtk_widget_queue_draw_area ( drawing->drawing_area,
282 // drawing->width, drawing->height);
285 * will need more precise pixel_to_time and time_to_pixel conversion
286 * functions to redraw only the needed area. */
287 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
289 width
, drawing
->height
);
297 /* Create a new backing pixmap of the appropriate size */
298 /* As the scaling will always change, it's of no use to copy old
301 * Only change the size if width changes. The height is specified and changed
302 * when process ID are added or removed from the process list.
305 configure_event( GtkWidget
*widget
, GdkEventConfigure
*event
,
308 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
311 /* First, get the new time interval of the main window */
312 /* we assume (see documentation) that the main window
313 * has updated the time interval before this configure gets
316 //lttvwindow_get_time_window(drawing->control_flow_data->mw,
317 // &drawing->control_flow_data->time_window);
319 /* New pixmap, size of the configure event */
320 //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
321 // widget->allocation.width + SAFETY,
322 // widget->allocation.height + SAFETY,
325 if(widget
->allocation
.width
!= drawing
->width
) {
326 g_debug("drawing configure event");
327 g_debug("New alloc draw size : %i by %i",widget
->allocation
.width
,
328 widget
->allocation
.height
);
332 gdk_pixmap_unref(drawing
->pixmap
);
334 drawing
->width
= widget
->allocation
.width
;
335 //drawing->height = widget->allocation.height;
337 drawing
->pixmap
= gdk_pixmap_new(widget
->window
,
338 drawing
->width
+ SAFETY
,
341 //ProcessList_get_height
342 // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
346 gdk_draw_rectangle (drawing
->pixmap
,
347 widget
->style
->black_gc
,
350 drawing
->width
+SAFETY
,
353 //g_info("init data request");
356 /* Initial data request */
357 /* no, do initial data request in the expose event */
358 // Do not need to ask for data of 1 pixel : not synchronized with
359 // main window time at this moment.
360 //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
361 // widget->allocation.width,
362 // widget->allocation.height);
364 //drawing->width = widget->allocation.width;
365 //drawing->height = widget->allocation.height;
367 drawing
->damage_begin
= 0;
368 drawing
->damage_end
= widget
->allocation
.width
;
370 if(drawing
->damage_begin
< drawing
->damage_end
)
372 drawing_data_request(drawing
,
374 drawing
->damage_begin
,
376 drawing
->damage_end
- drawing
->damage_begin
,
384 /* Redraw the screen from the backing pixmap */
386 expose_event( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
)
388 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
390 ControlFlowData
*control_flow_data
=
391 (ControlFlowData
*)g_object_get_data(
393 "control_flow_data");
395 TimeWindow time_window
=
396 lttvwindow_get_time_window(control_flow_data
->tab
);
397 LttTime current_time
=
398 lttvwindow_get_current_time(control_flow_data
->tab
);
402 LttTime window_end
= ltt_time_add(time_window
.time_width
,
403 time_window
.start_time
);
405 convert_time_to_pixels(
406 time_window
.start_time
,
413 /* update the screen from the pixmap buffer */
414 gdk_draw_pixmap(widget
->window
,
415 widget
->style
->fg_gc
[GTK_WIDGET_STATE (widget
)],
417 event
->area
.x
, event
->area
.y
,
418 event
->area
.x
, event
->area
.y
,
419 event
->area
.width
, event
->area
.height
);
422 /* Draw the dotted lines */
424 if(drawing
->dotted_gc
== NULL
) {
426 drawing
->dotted_gc
= gdk_gc_new(drawing
->drawing_area
->window
);
427 gdk_gc_copy(drawing
->dotted_gc
, widget
->style
->white_gc
);
429 gint8 dash_list
[] = { 1, 2 };
430 gdk_gc_set_line_attributes(drawing
->dotted_gc
,
432 GDK_LINE_ON_OFF_DASH
,
435 gdk_gc_set_dashes(drawing
->dotted_gc
,
441 drawing_draw_line(NULL
, widget
->window
,
443 cursor_x
, drawing
->height
,
449 after_expose_event( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
)
452 g_debug("AFTER EXPOSE");
462 button_press_event( GtkWidget
*widget
, GdkEventButton
*event
, gpointer user_data
)
464 ControlFlowData
*control_flow_data
=
465 (ControlFlowData
*)g_object_get_data(
467 "control_flow_data");
468 Drawing_t
*drawing
= control_flow_data
->drawing
;
469 TimeWindow time_window
=
470 lttvwindow_get_time_window(control_flow_data
->tab
);
473 if(event
->button
== 1)
477 LttTime window_end
= ltt_time_add(time_window
.time_width
,
478 time_window
.start_time
);
481 /* left mouse button click */
482 g_debug("x click is : %f", event
->x
);
484 convert_pixels_to_time(drawing
->width
, (guint
)event
->x
,
485 time_window
.start_time
,
489 lttvwindow_report_current_time(control_flow_data
->tab
, &time
);
493 lttvwindow_report_focus(control_flow_data
->tab
,
494 gtk_widget_get_parent(guicontrolflow_get_widget(control_flow_data
)));
500 scrollbar_size_allocate(GtkWidget
*widget
,
501 GtkAllocation
*allocation
,
504 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
506 gtk_widget_set_size_request(drawing
->padding
, allocation
->width
, -1);
507 //gtk_widget_queue_resize(drawing->padding);
508 //gtk_widget_queue_resize(drawing->ruler);
509 gtk_container_check_resize(GTK_CONTAINER(drawing
->ruler_hbox
));
515 Drawing_t
*drawing_construct(ControlFlowData
*control_flow_data
)
517 Drawing_t
*drawing
= g_new(Drawing_t
, 1);
519 drawing
->control_flow_data
= control_flow_data
;
521 drawing
->vbox
= gtk_vbox_new(FALSE
, 1);
524 drawing
->ruler_hbox
= gtk_hbox_new(FALSE
, 1);
525 drawing
->ruler
= gtk_drawing_area_new ();
526 gtk_widget_add_events(drawing
->ruler
, GDK_BUTTON_PRESS_MASK
);
527 //gtk_widget_set_size_request(drawing->ruler, -1, 27);
529 drawing
->padding
= gtk_drawing_area_new ();
530 gtk_widget_add_events(drawing
->padding
, GDK_BUTTON_PRESS_MASK
);
531 //gtk_widget_set_size_request(drawing->padding, -1, 27);
532 gtk_box_pack_start(GTK_BOX(drawing
->ruler_hbox
), drawing
->ruler
,
534 gtk_box_pack_end(GTK_BOX(drawing
->ruler_hbox
), drawing
->padding
,
539 drawing
->drawing_area
= gtk_drawing_area_new ();
543 drawing
->hbox
= gtk_hbox_new(FALSE
, 1);
544 drawing
->viewport
= gtk_viewport_new(NULL
, control_flow_data
->v_adjust
);
545 drawing
->scrollbar
= gtk_vscrollbar_new(control_flow_data
->v_adjust
);
546 gtk_box_pack_start(GTK_BOX(drawing
->hbox
), drawing
->viewport
,
548 gtk_box_pack_end(GTK_BOX(drawing
->hbox
), drawing
->scrollbar
,
551 //drawing->scrolled_window =
552 // gtk_scrolled_window_new (NULL,
553 // control_flow_data->v_adjust);
555 //gtk_scrolled_window_set_policy(
556 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
558 // GTK_POLICY_AUTOMATIC);
560 gtk_container_add(GTK_CONTAINER(drawing
->viewport
),
561 drawing
->drawing_area
);
562 //gtk_scrolled_window_add_with_viewport(
563 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
564 // drawing->drawing_area);
566 gtk_box_pack_start(GTK_BOX(drawing
->vbox
), drawing
->ruler_hbox
,
568 gtk_box_pack_end(GTK_BOX(drawing
->vbox
), drawing
->hbox
,
571 drawing
->pango_layout
=
572 gtk_widget_create_pango_layout(drawing
->drawing_area
, NULL
);
574 drawing
->dotted_gc
= NULL
;
580 drawing
->damage_begin
= 0;
581 drawing
->damage_end
= 0;
583 //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
584 g_object_set_data_full(
585 G_OBJECT(drawing
->drawing_area
),
588 (GDestroyNotify
)drawing_destroy
);
591 G_OBJECT(drawing
->ruler
),
596 //gtk_widget_modify_bg( drawing->drawing_area,
598 // &CF_Colors[BLACK]);
600 //gdk_window_get_geometry(drawing->drawing_area->window,
602 // &(drawing->width),
603 // &(drawing->height),
606 //drawing->pixmap = gdk_pixmap_new(
607 // drawing->drawing_area->window,
612 drawing
->pixmap
= NULL
;
614 // drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
615 // drawing->drawing_area->allocation.width,
616 // drawing->drawing_area->allocation.height,
619 gtk_widget_add_events(drawing
->drawing_area
, GDK_BUTTON_PRESS_MASK
);
621 g_signal_connect (G_OBJECT(drawing
->drawing_area
),
623 G_CALLBACK (configure_event
),
626 g_signal_connect (G_OBJECT(drawing
->ruler
),
628 G_CALLBACK(expose_ruler
),
631 gtk_widget_add_events(drawing
->ruler
, GDK_POINTER_MOTION_MASK
);
633 g_signal_connect (G_OBJECT(drawing
->ruler
),
634 "motion-notify-event",
635 G_CALLBACK(motion_notify_ruler
),
639 g_signal_connect (G_OBJECT(drawing
->scrollbar
),
641 G_CALLBACK(scrollbar_size_allocate
),
646 g_signal_connect (G_OBJECT(drawing
->drawing_area
),
648 G_CALLBACK (expose_event
),
651 g_signal_connect_after (G_OBJECT(drawing
->drawing_area
),
653 G_CALLBACK (after_expose_event
),
656 g_signal_connect (G_OBJECT(drawing
->drawing_area
),
657 "button-press-event",
658 G_CALLBACK (button_press_event
),
661 gtk_widget_show(drawing
->ruler
);
662 gtk_widget_show(drawing
->padding
);
663 gtk_widget_show(drawing
->ruler_hbox
);
665 gtk_widget_show(drawing
->drawing_area
);
666 //gtk_widget_show(drawing->scrolled_window);
667 gtk_widget_show(drawing
->viewport
);
668 gtk_widget_show(drawing
->scrollbar
);
669 gtk_widget_show(drawing
->hbox
);
675 void drawing_destroy(Drawing_t
*drawing
)
677 g_info("drawing_destroy %p", drawing
);
678 // Do not unref here, Drawing_t destroyed by it's widget.
679 //g_object_unref( G_OBJECT(drawing->drawing_area));
680 if(drawing
->gc
!= NULL
)
681 gdk_gc_unref(drawing
->gc
);
683 g_free(drawing
->pango_layout
);
684 if(!drawing
->dotted_gc
) gdk_gc_unref(drawing
->dotted_gc
);
686 g_info("drawing_destroy end");
689 GtkWidget
*drawing_get_drawing_area(Drawing_t
*drawing
)
691 return drawing
->drawing_area
;
694 GtkWidget
*drawing_get_widget(Drawing_t
*drawing
)
696 return drawing
->vbox
;
699 /* convert_pixels_to_time
701 * Convert from window pixel and time interval to an absolute time.
703 //FIXME : could need ceil and floor versions of this function
704 void convert_pixels_to_time(
707 LttTime window_time_begin
,
708 LttTime window_time_end
,
711 LttTime window_time_interval
;
713 window_time_interval
= ltt_time_sub(window_time_end
,
715 *time
= ltt_time_mul(window_time_interval
, (x
/(float)width
));
716 *time
= ltt_time_add(window_time_begin
, *time
);
719 //FIXME : could need ceil and floor versions of this function
721 void convert_time_to_pixels(
722 LttTime window_time_begin
,
723 LttTime window_time_end
,
728 LttTime window_time_interval
;
729 double interval_double
, time_double
;
731 window_time_interval
= ltt_time_sub(window_time_end
,window_time_begin
);
733 time
= ltt_time_sub(time
, window_time_begin
);
735 /* LttTime to double conversions here should really be under 4000 hours.. */
736 interval_double
= ltt_time_to_double(window_time_interval
);
737 time_double
= ltt_time_to_double(time
);
739 *x
= (guint
)(time_double
/interval_double
* width
);
743 void drawing_draw_line( Drawing_t
*drawing
,
749 gdk_draw_line (pixmap
,
754 void drawing_clear(Drawing_t
*drawing
)
757 gdk_pixmap_unref(drawing
->pixmap
);
760 /* Allocate a new pixmap with new height */
761 drawing
->pixmap
= gdk_pixmap_new(drawing
->drawing_area
->window
,
762 drawing
->width
+ SAFETY
,
766 gtk_widget_set_size_request(drawing
->drawing_area
,
769 gtk_widget_queue_resize_no_redraw(drawing
->drawing_area
);
771 /* ask for the buffer to be redrawn */
772 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
774 drawing
->width
, drawing
->height
);
778 /* Insert a square corresponding to a new process in the list */
779 /* Applies to whole drawing->width */
780 void drawing_insert_square(Drawing_t
*drawing
,
784 //GdkRectangle update_rect;
786 /* Allocate a new pixmap with new height */
787 GdkPixmap
*pixmap
= gdk_pixmap_new(drawing
->drawing_area
->window
,
788 drawing
->width
+ SAFETY
,
789 drawing
->height
+ height
,
792 /* Copy the high region */
793 gdk_draw_drawable (pixmap
,
794 drawing
->drawing_area
->style
->black_gc
,
798 drawing
->width
+ SAFETY
, y
);
803 /* add an empty square */
804 gdk_draw_rectangle (pixmap
,
805 drawing
->drawing_area
->style
->black_gc
,
808 drawing
->width
+ SAFETY
, // do not overlap
813 /* copy the bottom of the region */
814 gdk_draw_drawable (pixmap
,
815 drawing
->drawing_area
->style
->black_gc
,
819 drawing
->width
+SAFETY
, drawing
->height
- y
);
823 gdk_pixmap_unref(drawing
->pixmap
);
825 drawing
->pixmap
= pixmap
;
827 if(drawing
->height
==1) drawing
->height
= height
;
828 else drawing
->height
+= height
;
830 gtk_widget_set_size_request(drawing
->drawing_area
,
833 gtk_widget_queue_resize_no_redraw(drawing
->drawing_area
);
835 /* ask for the buffer to be redrawn */
836 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
838 drawing
->width
, drawing
->height
-y
);
842 /* Remove a square corresponding to a removed process in the list */
843 void drawing_remove_square(Drawing_t
*drawing
,
849 if(drawing
->height
== height
) {
850 pixmap
= gdk_pixmap_new(
851 drawing
->drawing_area
->window
,
852 drawing
->width
+ SAFETY
,
857 /* Allocate a new pixmap with new height */
858 pixmap
= gdk_pixmap_new(
859 drawing
->drawing_area
->window
,
860 drawing
->width
+ SAFETY
,
861 drawing
->height
- height
,
864 /* Copy the high region */
865 gdk_draw_drawable (pixmap
,
866 drawing
->drawing_area
->style
->black_gc
,
870 drawing
->width
+ SAFETY
, y
);
872 /* Copy up the bottom of the region */
873 gdk_draw_drawable (pixmap
,
874 drawing
->drawing_area
->style
->black_gc
,
878 drawing
->width
, drawing
->height
- y
- height
);
880 drawing
->height
-=height
;
884 gdk_pixmap_unref(drawing
->pixmap
);
886 drawing
->pixmap
= pixmap
;
888 gtk_widget_set_size_request(drawing
->drawing_area
,
891 gtk_widget_queue_resize_no_redraw(drawing
->drawing_area
);
892 /* ask for the buffer to be redrawn */
893 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
895 drawing
->width
, MAX(drawing
->height
-y
, 1));
898 void drawing_update_ruler(Drawing_t
*drawing
, TimeWindow
*time_window
)
903 req
.width
= drawing
->ruler
->allocation
.width
;
904 req
.height
= drawing
->ruler
->allocation
.height
;
909 rect
.width
= req
.width
;
910 rect
.height
= req
.height
;
912 gtk_widget_queue_draw(drawing
->ruler
);
913 //gtk_widget_draw( drawing->ruler, &rect);
916 /* Redraw the ruler */
918 expose_ruler( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
)
920 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
921 TimeWindow time_window
= lttvwindow_get_time_window(drawing
->control_flow_data
->tab
);
924 PangoContext
*context
;
926 PangoAttribute
*attribute
;
927 PangoFontDescription
*FontDesc
;
929 PangoRectangle ink_rect
;
930 guint global_width
=0;
931 GdkColor foreground
= { 0, 0, 0, 0 };
932 GdkColor background
= { 0, 0xffff, 0xffff, 0xffff };
935 ltt_time_add(time_window
.time_width
,
936 time_window
.start_time
);
938 ltt_time_div(time_window
.time_width
,2.0);
939 LttTime window_middle
=
940 ltt_time_add(half_width
,
941 time_window
.start_time
);
942 g_debug("ruler expose event");
944 gdk_draw_rectangle (drawing
->ruler
->window
,
945 drawing
->ruler
->style
->white_gc
,
947 event
->area
.x
, event
->area
.y
,
951 GdkGC
*gc
= gdk_gc_new(drawing
->ruler
->window
);
952 gdk_gc_copy(gc
, drawing
->ruler
->style
->black_gc
);
953 gdk_gc_set_line_attributes(gc
,
958 gdk_draw_line (drawing
->ruler
->window
,
961 event
->area
.x
+ event
->area
.width
, 1);
964 snprintf(text
, 255, "%lus\n%luns",
965 time_window
.start_time
.tv_sec
,
966 time_window
.start_time
.tv_nsec
);
968 layout
= gtk_widget_create_pango_layout(drawing
->drawing_area
, NULL
);
970 context
= pango_layout_get_context(layout
);
971 FontDesc
= pango_context_get_font_description(context
);
973 pango_font_description_set_size(FontDesc
, 6*PANGO_SCALE
);
974 pango_layout_context_changed(layout
);
976 pango_layout_set_text(layout
, text
, -1);
977 pango_layout_get_pixel_extents(layout
, &ink_rect
, NULL
);
978 global_width
+= ink_rect
.width
;
980 gdk_draw_layout_with_colors(drawing
->ruler
->window
,
984 layout
, &foreground
, &background
);
986 gdk_gc_set_line_attributes(gc
,
992 gdk_draw_line (drawing
->ruler
->window
,
998 snprintf(text
, 255, "%lus\n%luns", window_end
.tv_sec
,
1001 pango_layout_set_text(layout
, text
, -1);
1002 pango_layout_get_pixel_extents(layout
, &ink_rect
, NULL
);
1003 global_width
+= ink_rect
.width
;
1005 if(global_width
<= drawing
->ruler
->allocation
.width
)
1007 gdk_draw_layout_with_colors(drawing
->ruler
->window
,
1009 drawing
->ruler
->allocation
.width
- ink_rect
.width
,
1011 layout
, &foreground
, &background
);
1013 gdk_gc_set_line_attributes(gc
,
1019 gdk_draw_line (drawing
->ruler
->window
,
1021 drawing
->ruler
->allocation
.width
-1, 1,
1022 drawing
->ruler
->allocation
.width
-1, 7);
1026 snprintf(text
, 255, "%lus\n%luns", window_middle
.tv_sec
,
1027 window_middle
.tv_nsec
);
1029 pango_layout_set_text(layout
, text
, -1);
1030 pango_layout_get_pixel_extents(layout
, &ink_rect
, NULL
);
1031 global_width
+= ink_rect
.width
;
1033 if(global_width
<= drawing
->ruler
->allocation
.width
)
1035 gdk_draw_layout_with_colors(drawing
->ruler
->window
,
1037 (drawing
->ruler
->allocation
.width
- ink_rect
.width
)/2,
1039 layout
, &foreground
, &background
);
1041 gdk_gc_set_line_attributes(gc
,
1047 gdk_draw_line (drawing
->ruler
->window
,
1049 drawing
->ruler
->allocation
.width
/2, 1,
1050 drawing
->ruler
->allocation
.width
/2, 7);
1058 g_object_unref(layout
);
1064 /* notify mouse on ruler */
1066 motion_notify_ruler(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer user_data
)
1068 //g_debug("motion");
1069 //eventually follow mouse and show time here