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();
129 lttv_hooks_add(before_chunk_traceset
,
134 lttv_hooks_add(after_chunk_traceset
,
138 lttv_hooks_add(event
,
142 lttv_hooks_add(event
,
148 // Fill the events request
149 events_request
->owner
= control_flow_data
;
150 events_request
->viewer_data
= control_flow_data
;
151 events_request
->servicing
= FALSE
;
152 events_request
->start_time
= start
;
153 events_request
->start_position
= NULL
;
154 events_request
->stop_flag
= FALSE
;
155 events_request
->end_time
= time_end
;
156 events_request
->num_events
= G_MAXUINT
;
157 events_request
->end_position
= NULL
;
158 events_request
->before_chunk_traceset
= before_chunk_traceset
;
159 events_request
->before_chunk_trace
= NULL
;
160 events_request
->before_chunk_tracefile
= NULL
;
161 events_request
->event
= event
;
162 events_request
->event_by_id
= NULL
;
163 events_request
->after_chunk_tracefile
= NULL
;
164 events_request
->after_chunk_trace
= NULL
;
165 events_request
->after_chunk_traceset
= after_chunk_traceset
;
166 events_request
->before_request
= NULL
;
167 events_request
->after_request
= NULL
;
169 g_debug("req : start : %u, %u", start
.tv_sec
,
172 g_debug("req : end : %u, %u", time_end
.tv_sec
,
175 lttvwindow_events_request_remove_all(tab
,
177 lttvwindow_events_request(tab
, events_request
);
182 void drawing_data_request_begin(EventsRequest
*events_request
, LttvTracesetState
*tss
)
184 g_debug("Begin of data request chunk");
185 ControlFlowData
*cfd
= events_request
->viewer_data
;
186 LttvTracesetContext
*tsc
= LTTV_TRACESET_CONTEXT(tss
);
188 LttTime current_time
= lttv_traceset_context_get_current_tfc(tsc
)->timestamp
;
190 cfd
->drawing
->last_start
= current_time
;
193 void drawing_data_request_end(EventsRequest
*events_request
, LttvTracesetState
*tss
)
195 gint x
, x_end
, width
;
197 ControlFlowData
*cfd
= events_request
->viewer_data
;
198 LttvTracesetContext
*tsc
= LTTV_TRACESET_CONTEXT(tss
);
199 Drawing_t
*drawing
= cfd
->drawing
;
201 TimeWindow time_window
=
202 lttvwindow_get_time_window(cfd
->tab
);
204 g_debug("End of data request chunk");
206 LttTime window_end
= ltt_time_add(time_window
.time_width
,
207 time_window
.start_time
);
209 LttTime current_time
= lttv_traceset_context_get_current_tfc(tsc
)->timestamp
;
211 convert_time_to_pixels(
212 time_window
.start_time
,
214 cfd
->drawing
->last_start
,
218 convert_time_to_pixels(
219 time_window
.start_time
,
227 drawing
->damage_begin
= x
+width
;
228 //drawing->damage_end = drawing->width;
230 /* ask for the buffer to be redrawn */
232 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
234 drawing
->width
, drawing
->height
);
237 * will need more precise pixel_to_time and time_to_pixel conversion
238 * functions to redraw only the needed area. */
239 //gtk_widget_queue_draw_area ( drawing->drawing_area,
241 // width, drawing->height);
249 /* Create a new backing pixmap of the appropriate size */
250 /* As the scaling will always change, it's of no use to copy old
253 * Only change the size if width changes. The height is specified and changed
254 * when process ID are added or removed from the process list.
257 configure_event( GtkWidget
*widget
, GdkEventConfigure
*event
,
260 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
263 /* First, get the new time interval of the main window */
264 /* we assume (see documentation) that the main window
265 * has updated the time interval before this configure gets
268 //lttvwindow_get_time_window(drawing->control_flow_data->mw,
269 // &drawing->control_flow_data->time_window);
271 /* New pixmap, size of the configure event */
272 //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
273 // widget->allocation.width + SAFETY,
274 // widget->allocation.height + SAFETY,
277 if(widget
->allocation
.width
!= drawing
->width
) {
278 g_debug("drawing configure event");
279 g_debug("New alloc draw size : %i by %i",widget
->allocation
.width
,
280 widget
->allocation
.height
);
284 gdk_pixmap_unref(drawing
->pixmap
);
286 drawing
->width
= widget
->allocation
.width
;
287 //drawing->height = widget->allocation.height;
289 drawing
->pixmap
= gdk_pixmap_new(widget
->window
,
290 drawing
->width
+ SAFETY
,
293 //ProcessList_get_height
294 // (GuiControlFlow_get_process_list(drawing->control_flow_data)),
298 gdk_draw_rectangle (drawing
->pixmap
,
299 widget
->style
->black_gc
,
302 drawing
->width
+SAFETY
,
305 //g_info("init data request");
308 /* Initial data request */
309 /* no, do initial data request in the expose event */
310 // Do not need to ask for data of 1 pixel : not synchronized with
311 // main window time at this moment.
312 //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
313 // widget->allocation.width,
314 // widget->allocation.height);
316 //drawing->width = widget->allocation.width;
317 //drawing->height = widget->allocation.height;
319 drawing
->damage_begin
= 0;
320 drawing
->damage_end
= widget
->allocation
.width
;
322 if(drawing
->damage_begin
< drawing
->damage_end
)
324 drawing_data_request(drawing
,
326 drawing
->damage_begin
,
328 drawing
->damage_end
- drawing
->damage_begin
,
336 /* Redraw the screen from the backing pixmap */
338 expose_event( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
)
340 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
342 ControlFlowData
*control_flow_data
=
343 (ControlFlowData
*)g_object_get_data(
345 "control_flow_data");
347 TimeWindow time_window
=
348 lttvwindow_get_time_window(control_flow_data
->tab
);
349 LttTime current_time
=
350 lttvwindow_get_current_time(control_flow_data
->tab
);
354 LttTime window_end
= ltt_time_add(time_window
.time_width
,
355 time_window
.start_time
);
357 convert_time_to_pixels(
358 time_window
.start_time
,
365 /* update the screen from the pixmap buffer */
366 gdk_draw_pixmap(widget
->window
,
367 widget
->style
->fg_gc
[GTK_WIDGET_STATE (widget
)],
369 event
->area
.x
, event
->area
.y
,
370 event
->area
.x
, event
->area
.y
,
371 event
->area
.width
, event
->area
.height
);
374 /* Draw the dotted lines */
376 if(drawing
->dotted_gc
== NULL
) {
378 drawing
->dotted_gc
= gdk_gc_new(drawing
->drawing_area
->window
);
379 gdk_gc_copy(drawing
->dotted_gc
, widget
->style
->white_gc
);
381 gint8 dash_list
[] = { 1, 2 };
382 gdk_gc_set_line_attributes(drawing
->dotted_gc
,
384 GDK_LINE_ON_OFF_DASH
,
387 gdk_gc_set_dashes(drawing
->dotted_gc
,
393 drawing_draw_line(NULL
, widget
->window
,
395 cursor_x
, drawing
->height
,
401 after_expose_event( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
)
404 g_debug("AFTER EXPOSE");
414 button_press_event( GtkWidget
*widget
, GdkEventButton
*event
, gpointer user_data
)
416 ControlFlowData
*control_flow_data
=
417 (ControlFlowData
*)g_object_get_data(
419 "control_flow_data");
420 Drawing_t
*drawing
= control_flow_data
->drawing
;
421 TimeWindow time_window
=
422 lttvwindow_get_time_window(control_flow_data
->tab
);
425 if(event
->button
== 1)
429 LttTime window_end
= ltt_time_add(time_window
.time_width
,
430 time_window
.start_time
);
433 /* left mouse button click */
434 g_debug("x click is : %f", event
->x
);
436 convert_pixels_to_time(drawing
->width
, (guint
)event
->x
,
437 time_window
.start_time
,
441 lttvwindow_report_current_time(control_flow_data
->tab
, &time
);
445 lttvwindow_report_focus(control_flow_data
->tab
,
446 gtk_widget_get_parent(guicontrolflow_get_widget(control_flow_data
)));
452 scrollbar_size_request(GtkWidget
*widget
,
453 GtkRequisition
*requisition
,
456 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
458 gtk_widget_set_size_request(drawing
->padding
, requisition
->width
, -1);
459 //gtk_widget_queue_resize(drawing->padding);
460 //gtk_widget_queue_resize(drawing->ruler);
461 gtk_container_check_resize(GTK_CONTAINER(drawing
->ruler_hbox
));
467 Drawing_t
*drawing_construct(ControlFlowData
*control_flow_data
)
469 Drawing_t
*drawing
= g_new(Drawing_t
, 1);
471 drawing
->control_flow_data
= control_flow_data
;
473 drawing
->vbox
= gtk_vbox_new(FALSE
, 1);
476 drawing
->ruler_hbox
= gtk_hbox_new(FALSE
, 1);
477 drawing
->ruler
= gtk_drawing_area_new ();
478 gtk_widget_add_events(drawing
->ruler
, GDK_BUTTON_PRESS_MASK
);
479 gtk_widget_set_size_request(drawing
->ruler
, -1, 27);
481 drawing
->padding
= gtk_drawing_area_new ();
482 gtk_widget_add_events(drawing
->padding
, GDK_BUTTON_PRESS_MASK
);
483 //gtk_widget_set_size_request(drawing->padding, -1, 27);
484 gtk_box_pack_start(GTK_BOX(drawing
->ruler_hbox
), drawing
->ruler
,
486 gtk_box_pack_end(GTK_BOX(drawing
->ruler_hbox
), drawing
->padding
,
491 drawing
->drawing_area
= gtk_drawing_area_new ();
495 drawing
->hbox
= gtk_hbox_new(FALSE
, 1);
496 drawing
->viewport
= gtk_viewport_new(NULL
, control_flow_data
->v_adjust
);
497 drawing
->scrollbar
= gtk_vscrollbar_new(control_flow_data
->v_adjust
);
498 gtk_box_pack_start(GTK_BOX(drawing
->hbox
), drawing
->viewport
,
500 gtk_box_pack_end(GTK_BOX(drawing
->hbox
), drawing
->scrollbar
,
503 //drawing->scrolled_window =
504 // gtk_scrolled_window_new (NULL,
505 // control_flow_data->v_adjust);
507 //gtk_scrolled_window_set_policy(
508 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
510 // GTK_POLICY_AUTOMATIC);
512 gtk_container_add(GTK_CONTAINER(drawing
->viewport
),
513 drawing
->drawing_area
);
514 //gtk_scrolled_window_add_with_viewport(
515 // GTK_SCROLLED_WINDOW(drawing->scrolled_window),
516 // drawing->drawing_area);
518 gtk_box_pack_start(GTK_BOX(drawing
->vbox
), drawing
->ruler_hbox
,
520 gtk_box_pack_end(GTK_BOX(drawing
->vbox
), drawing
->hbox
,
523 drawing
->pango_layout
=
524 gtk_widget_create_pango_layout(drawing
->drawing_area
, NULL
);
526 drawing
->dotted_gc
= NULL
;
532 drawing
->damage_begin
= 0;
533 drawing
->damage_end
= 0;
535 //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
536 g_object_set_data_full(
537 G_OBJECT(drawing
->drawing_area
),
540 (GDestroyNotify
)drawing_destroy
);
543 G_OBJECT(drawing
->ruler
),
548 //gtk_widget_modify_bg( drawing->drawing_area,
550 // &CF_Colors[BLACK]);
552 //gdk_window_get_geometry(drawing->drawing_area->window,
554 // &(drawing->width),
555 // &(drawing->height),
558 //drawing->pixmap = gdk_pixmap_new(
559 // drawing->drawing_area->window,
564 drawing
->pixmap
= NULL
;
566 // drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
567 // drawing->drawing_area->allocation.width,
568 // drawing->drawing_area->allocation.height,
571 gtk_widget_add_events(drawing
->drawing_area
, GDK_BUTTON_PRESS_MASK
);
573 g_signal_connect (G_OBJECT(drawing
->drawing_area
),
575 G_CALLBACK (configure_event
),
578 g_signal_connect (G_OBJECT(drawing
->ruler
),
580 G_CALLBACK(expose_ruler
),
583 gtk_widget_add_events(drawing
->ruler
, GDK_POINTER_MOTION_MASK
);
585 g_signal_connect (G_OBJECT(drawing
->ruler
),
586 "motion-notify-event",
587 G_CALLBACK(motion_notify_ruler
),
591 g_signal_connect (G_OBJECT(drawing
->scrollbar
),
593 G_CALLBACK(scrollbar_size_request
),
598 g_signal_connect (G_OBJECT(drawing
->drawing_area
),
600 G_CALLBACK (expose_event
),
603 g_signal_connect_after (G_OBJECT(drawing
->drawing_area
),
605 G_CALLBACK (after_expose_event
),
608 g_signal_connect (G_OBJECT(drawing
->drawing_area
),
609 "button-press-event",
610 G_CALLBACK (button_press_event
),
613 gtk_widget_show(drawing
->ruler
);
614 gtk_widget_show(drawing
->padding
);
615 gtk_widget_show(drawing
->ruler_hbox
);
617 gtk_widget_show(drawing
->drawing_area
);
618 //gtk_widget_show(drawing->scrolled_window);
619 gtk_widget_show(drawing
->viewport
);
620 gtk_widget_show(drawing
->scrollbar
);
621 gtk_widget_show(drawing
->hbox
);
627 void drawing_destroy(Drawing_t
*drawing
)
629 g_info("drawing_destroy %p", drawing
);
630 // Do not unref here, Drawing_t destroyed by it's widget.
631 //g_object_unref( G_OBJECT(drawing->drawing_area));
632 if(drawing
->gc
!= NULL
)
633 gdk_gc_unref(drawing
->gc
);
635 g_free(drawing
->pango_layout
);
636 if(!drawing
->dotted_gc
) gdk_gc_unref(drawing
->dotted_gc
);
638 g_info("drawing_destroy end");
641 GtkWidget
*drawing_get_drawing_area(Drawing_t
*drawing
)
643 return drawing
->drawing_area
;
646 GtkWidget
*drawing_get_widget(Drawing_t
*drawing
)
648 return drawing
->vbox
;
651 /* convert_pixels_to_time
653 * Convert from window pixel and time interval to an absolute time.
655 //FIXME : could need ceil and floor versions of this function
656 void convert_pixels_to_time(
659 LttTime window_time_begin
,
660 LttTime window_time_end
,
663 LttTime window_time_interval
;
665 window_time_interval
= ltt_time_sub(window_time_end
,
667 *time
= ltt_time_mul(window_time_interval
, (x
/(float)width
));
668 *time
= ltt_time_add(window_time_begin
, *time
);
671 //FIXME : could need ceil and floor versions of this function
673 void convert_time_to_pixels(
674 LttTime window_time_begin
,
675 LttTime window_time_end
,
680 LttTime window_time_interval
;
681 float interval_float
, time_float
;
683 window_time_interval
= ltt_time_sub(window_time_end
,window_time_begin
);
685 time
= ltt_time_sub(time
, window_time_begin
);
687 interval_float
= ltt_time_to_double(window_time_interval
);
688 time_float
= ltt_time_to_double(time
);
690 *x
= (guint
)(time_float
/interval_float
* width
);
694 void drawing_draw_line( Drawing_t
*drawing
,
700 gdk_draw_line (pixmap
,
708 /* Insert a square corresponding to a new process in the list */
709 /* Applies to whole drawing->width */
710 void drawing_insert_square(Drawing_t
*drawing
,
714 //GdkRectangle update_rect;
716 /* Allocate a new pixmap with new height */
717 GdkPixmap
*pixmap
= gdk_pixmap_new(drawing
->drawing_area
->window
,
718 drawing
->width
+ SAFETY
,
719 drawing
->height
+ height
,
722 /* Copy the high region */
723 gdk_draw_drawable (pixmap
,
724 drawing
->drawing_area
->style
->black_gc
,
728 drawing
->width
+ SAFETY
, y
);
733 /* add an empty square */
734 gdk_draw_rectangle (pixmap
,
735 drawing
->drawing_area
->style
->black_gc
,
738 drawing
->width
+ SAFETY
, // do not overlap
743 /* copy the bottom of the region */
744 gdk_draw_drawable (pixmap
,
745 drawing
->drawing_area
->style
->black_gc
,
749 drawing
->width
+SAFETY
, drawing
->height
- y
);
753 gdk_pixmap_unref(drawing
->pixmap
);
755 drawing
->pixmap
= pixmap
;
757 if(drawing
->height
==1) drawing
->height
= height
;
758 else drawing
->height
+= height
;
760 gtk_widget_set_size_request(drawing
->drawing_area
,
763 gtk_widget_queue_resize_no_redraw(drawing
->drawing_area
);
765 /* ask for the buffer to be redrawn */
766 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
768 drawing
->width
, drawing
->height
-y
);
773 /* Remove a square corresponding to a removed process in the list */
774 void drawing_remove_square(Drawing_t
*drawing
,
778 //GdkRectangle update_rect;
780 /* Allocate a new pixmap with new height */
781 GdkPixmap
*pixmap
= gdk_pixmap_new(
782 drawing
->drawing_area
->window
,
783 drawing
->width
+ SAFETY
,
784 drawing
->height
- height
,
787 /* Copy the high region */
788 gdk_draw_drawable (pixmap
,
789 drawing
->drawing_area
->style
->black_gc
,
793 drawing
->width
+ SAFETY
, y
);
797 /* Copy up the bottom of the region */
798 gdk_draw_drawable (pixmap
,
799 drawing
->drawing_area
->style
->black_gc
,
803 drawing
->width
, drawing
->height
- y
- height
);
807 gdk_pixmap_unref(drawing
->pixmap
);
809 drawing
->pixmap
= pixmap
;
811 drawing
->height
-=height
;
813 gtk_widget_set_size_request(drawing
->drawing_area
,
816 gtk_widget_queue_resize_no_redraw(drawing
->drawing_area
);
817 /* ask for the buffer to be redrawn */
818 gtk_widget_queue_draw_area ( drawing
->drawing_area
,
820 drawing
->width
, drawing
->height
-y
);
823 void drawing_update_ruler(Drawing_t
*drawing
, TimeWindow
*time_window
)
828 req
.width
= drawing
->ruler
->allocation
.width
;
829 req
.height
= drawing
->ruler
->allocation
.height
;
834 rect
.width
= req
.width
;
835 rect
.height
= req
.height
;
837 gtk_widget_queue_draw(drawing
->ruler
);
838 //gtk_widget_draw( drawing->ruler, &rect);
841 /* Redraw the ruler */
843 expose_ruler( GtkWidget
*widget
, GdkEventExpose
*event
, gpointer user_data
)
845 Drawing_t
*drawing
= (Drawing_t
*)user_data
;
846 TimeWindow time_window
= lttvwindow_get_time_window(drawing
->control_flow_data
->tab
);
849 PangoContext
*context
;
851 PangoAttribute
*attribute
;
852 PangoFontDescription
*FontDesc
;
854 PangoRectangle ink_rect
;
855 guint global_width
=0;
856 GdkColor foreground
= { 0, 0, 0, 0 };
857 GdkColor background
= { 0, 0xffff, 0xffff, 0xffff };
860 ltt_time_add(time_window
.time_width
,
861 time_window
.start_time
);
863 ltt_time_div(time_window
.time_width
,2.0);
864 LttTime window_middle
=
865 ltt_time_add(half_width
,
866 time_window
.start_time
);
867 g_debug("ruler expose event");
869 gdk_draw_rectangle (drawing
->ruler
->window
,
870 drawing
->ruler
->style
->white_gc
,
872 event
->area
.x
, event
->area
.y
,
876 GdkGC
*gc
= gdk_gc_new(drawing
->ruler
->window
);
877 gdk_gc_copy(gc
, drawing
->ruler
->style
->black_gc
);
878 gdk_gc_set_line_attributes(gc
,
883 gdk_draw_line (drawing
->ruler
->window
,
886 event
->area
.x
+ event
->area
.width
, 1);
889 snprintf(text
, 255, "%lus\n%luns",
890 time_window
.start_time
.tv_sec
,
891 time_window
.start_time
.tv_nsec
);
893 layout
= gtk_widget_create_pango_layout(drawing
->drawing_area
, NULL
);
895 context
= pango_layout_get_context(layout
);
896 FontDesc
= pango_context_get_font_description(context
);
898 pango_font_description_set_size(FontDesc
, 6*PANGO_SCALE
);
899 pango_layout_context_changed(layout
);
901 pango_layout_set_text(layout
, text
, -1);
902 pango_layout_get_pixel_extents(layout
, &ink_rect
, NULL
);
903 global_width
+= ink_rect
.width
;
905 gdk_draw_layout_with_colors(drawing
->ruler
->window
,
909 layout
, &foreground
, &background
);
911 gdk_gc_set_line_attributes(gc
,
917 gdk_draw_line (drawing
->ruler
->window
,
923 snprintf(text
, 255, "%lus\n%luns", window_end
.tv_sec
,
926 pango_layout_set_text(layout
, text
, -1);
927 pango_layout_get_pixel_extents(layout
, &ink_rect
, NULL
);
928 global_width
+= ink_rect
.width
;
930 if(global_width
<= drawing
->ruler
->allocation
.width
)
932 gdk_draw_layout_with_colors(drawing
->ruler
->window
,
934 drawing
->ruler
->allocation
.width
- ink_rect
.width
,
936 layout
, &foreground
, &background
);
938 gdk_gc_set_line_attributes(gc
,
944 gdk_draw_line (drawing
->ruler
->window
,
946 drawing
->ruler
->allocation
.width
-1, 1,
947 drawing
->ruler
->allocation
.width
-1, 7);
951 snprintf(text
, 255, "%lus\n%luns", window_middle
.tv_sec
,
952 window_middle
.tv_nsec
);
954 pango_layout_set_text(layout
, text
, -1);
955 pango_layout_get_pixel_extents(layout
, &ink_rect
, NULL
);
956 global_width
+= ink_rect
.width
;
958 if(global_width
<= drawing
->ruler
->allocation
.width
)
960 gdk_draw_layout_with_colors(drawing
->ruler
->window
,
962 (drawing
->ruler
->allocation
.width
- ink_rect
.width
)/2,
964 layout
, &foreground
, &background
);
966 gdk_gc_set_line_attributes(gc
,
972 gdk_draw_line (drawing
->ruler
->window
,
974 drawing
->ruler
->allocation
.width
/2, 1,
975 drawing
->ruler
->allocation
.width
/2, 7);
983 g_object_unref(layout
);
989 /* notify mouse on ruler */
991 motion_notify_ruler(GtkWidget
*widget
, GdkEventMotion
*event
, gpointer user_data
)
994 //eventually follow mouse and show time here