move everything out of trunk
[lttv.git] / trunk / lttng-xenomai / LinuxTraceToolkitViewer-0.8.61-xenoltt / lttv / modules / gui / xenoltt / xenoltt_drawing.c
diff --git a/trunk/lttng-xenomai/LinuxTraceToolkitViewer-0.8.61-xenoltt/lttv/modules/gui/xenoltt/xenoltt_drawing.c b/trunk/lttng-xenomai/LinuxTraceToolkitViewer-0.8.61-xenoltt/lttv/modules/gui/xenoltt/xenoltt_drawing.c
deleted file mode 100644 (file)
index f938434..0000000
+++ /dev/null
@@ -1,1610 +0,0 @@
-/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2003-2004 Mathieu Desnoyers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
- * MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-#include <string.h>
-
-#include <ltt/trace.h>
-
-#include <lttv/lttv.h>
-#include <lttv/tracecontext.h>
-#include <lttvwindow/lttvwindow.h>
-#include <lttv/state.h>
-#include <lttv/hook.h>
-
-#include "xenoltt_drawing.h"
-#include "xenoltt_eventhooks.h"
-#include "xfv.h"
-
-#define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
-#define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
-
-//FIXME
-// fixed #define TRACE_NUMBER 0
-#define EXTRA_ALLOC 1024 // pixels
-
-
-//  { 0, 0xFFFF, 0xFFFF, 0x0000 }, /* COL_WAIT_CPU : yellow */
-//  { 0, 0xFFFF, 0xA000, 0xFCFF }, /* COL_EXIT : pale magenta */
-//  { 0, 0xFFFF, 0x0000, 0xFFFF }, /* COL_ZOMBIE : purple */
-//  { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_WAIT : red */
-//  { 0, 0x8800, 0xFFFF, 0x8A00 }, /* COL_USER_MODE : pale green */
-//  { 0, 0x09FF, 0x01FF, 0xFFFF }, /* COL_SYSCALL : blue */
-//  { 0, 0xF900, 0x4200, 0xFF00 }, /* COL_TRAP : pale purple */
-
-
-GdkColor drawing_colors[NUM_COLORS] =
-{ /* Pixel, R, G, B */
-  { 0, 0, 0, 0 }, /* COL_BLACK */
-  { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_WHITE */
-  { 0, 0x0000, 0xFF00, 0x0000 }, /* COL_RUN_USER_MODE : green */
-  { 0, 0x0100, 0x9E00, 0xFFFF }, /* COL_RUN_SYSCALL : pale blue */
-  { 0, 0xFF00, 0xFF00, 0x0100 }, /* COL_RUN_TRAP : yellow */
-  { 0, 0xFFFF, 0x5E00, 0x0000 }, /* COL_RUN_IRQ : orange */
-  { 0, 0xFFFF, 0x9400, 0x9600 }, /* COL_RUN_SOFT_IRQ : pink */
-  { 0, 0xFFFF, 0x0000, 0x0000 }, /* COL_WAIT : red */
-//  { 0, 0x6600, 0x0000, 0x0000 }, /* COL_WAIT : dark red */
-  { 0, 0x7700, 0x7700, 0x0000 }, /* COL_WAIT_CPU : dark yellow */
-  { 0, 0x6400, 0x0000, 0x5D00 }, /* COL_ZOMBIE : dark purple */
-  { 0, 0x0700, 0x6400, 0x0000 }, /* COL_WAIT_FORK : dark green */
-  { 0, 0x8900, 0x0000, 0x8400 }, /* COL_EXIT : "less dark" magenta */
-  { 0, 0xFFFF, 0xFFFF, 0xFFFF }, /* COL_MODE_UNKNOWN : white */
-  { 0, 0xFFFF, 0xFFFF, 0xFFFF }  /* COL_UNNAMED : white */
-
-};
-
-/*
-RUN+USER MODE green
-RUN+SYSCALL
-RUN+TRAP
-RUN+IRQ
-WAIT+fonc�
-WAIT CPU + WAIT FORK vert fonc� ou jaune
-IRQ rouge
-TRAP: orange
-SYSCALL: bleu p�le
-
-ZOMBIE + WAIT EXIT
-*/
-
-
-/*****************************************************************************
- *                              drawing functions                            *
- *****************************************************************************/
-
-static gboolean
-expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data );
-
-static gboolean
-motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
-
-
-/* Function responsible for updating the exposed area.
- * It must do an events request to the lttvwindow API to ask for this update.
- * Note : this function cannot clear the background, because it may
- * erase drawing already present (SAFETY).
- */
-void drawing_data_request(XenoLtt_Drawing_t  *drawing,
-      gint x, gint y,
-      gint width,
-      gint height)
-{
-  if(width < 0) return ;
-  if(height < 0) return ;
-
-  Tab *tab = drawing->xenoltt_data->tab;
-  TimeWindow time_window = lttvwindow_get_time_window(tab);
-
-  
-  XenoLTTData *xenoltt_data = drawing->xenoltt_data;
-
-  LttTime start, time_end;
-  LttTime window_end = time_window.end_time;
-
-  g_debug("req : window start_time : %lu, %lu", time_window.start_time.tv_sec, 
-                                       time_window.start_time.tv_nsec);
-
-  g_debug("req : window time width : %lu, %lu", time_window.time_width.tv_sec, 
-                                       time_window.time_width.tv_nsec);
-  
-  g_debug("req : window_end : %lu, %lu", window_end.tv_sec, 
-                                       window_end.tv_nsec);
-
-  g_debug("xenoltt: x is : %i, x+width is : %i", x, x+width);
-
-  convert_pixels_to_time(drawing->width, x,time_window,&start);
-
-  convert_pixels_to_time(drawing->width, x+width,time_window,&time_end);
-  
-  time_end = ltt_time_add(time_end, ltt_time_one); // because main window
-                                                   // doesn't deliver end time.
-
-  lttvwindow_events_request_remove_all(tab,xenoltt_data);
-
-  {
-    /* find the tracehooks */
-    LttvTracesetContext *tsc = lttvwindow_get_traceset_context(tab);
-
-    LttvTraceset *traceset = tsc->ts;
-
-    guint i, k, l, nb_trace;
-
-    LttvTraceState *ts;
-
-    LttvTracefileState *tfs;
-
-    GArray *hooks;
-
-    LttvTraceHook *hook;
-
-    LttvTraceHookByFacility *thf;
-
-    guint ret;
-    gint before_hn, after_hn, icons_hn;
-
-    nb_trace = lttv_traceset_number(traceset);
-    // FIXME  (fixed) : eventually request for more traces
-    for(i = 0 ; i < nb_trace ; i++) {
-    //for(i = 0; i<MIN(TRACE_NUMBER+1, nb_trace);i++) {
-      EventsRequest *events_request = g_new(EventsRequest, 1);
-      // Create the hooks
-      //LttvHooks *event = lttv_hooks_new();
-      LttvHooksById *event_by_id = lttv_hooks_by_id_new();
-      LttvHooks *before_chunk_traceset = lttv_hooks_new();
-      LttvHooks *after_chunk_traceset = lttv_hooks_new();
-      LttvHooks *before_request_hook = lttv_hooks_new();
-      LttvHooks *after_request_hook = lttv_hooks_new();
-
-      lttv_hooks_add(before_chunk_traceset,
-                     xenoltt_before_chunk,
-                     events_request,
-                     LTTV_PRIO_DEFAULT);
-
-      lttv_hooks_add(after_chunk_traceset,
-                     xenoltt_after_chunk,
-                     events_request,
-                     LTTV_PRIO_DEFAULT);
-
-      lttv_hooks_add(before_request_hook,
-                     xenoltt_before_request,
-                     events_request,
-                     LTTV_PRIO_DEFAULT);
-
-      lttv_hooks_add(after_request_hook,
-                     xenoltt_after_request,
-                     events_request,
-                     LTTV_PRIO_DEFAULT);
-
-      ts = (LttvTraceState *)tsc->traces[i];
-
-      /* Find the eventtype id for the following events and register the
-         associated by id hooks. */
-
-      hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook));
-      hooks = g_array_set_size(hooks, 36);
-      before_hn = after_hn = icons_hn = 0;
-
-      /* before hooks */
-      
-      /* Xenomai Thread Period Setting */
-/*      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_SET_PERIOD,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_PERIOD,
-          xenoltt_thread_set_period,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-*/      
-      /* Xenomai Thread Start Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_START,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Switch Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_SWITCH,
-          LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_ADDRESS_OUT, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Switch Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_SWITCH,
-          LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_ADDRESS_OUT, 0,
-          xenoltt_before_thread_switch_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Resume Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_RESUME,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Suspend Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_SUSPEND,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Wait Period Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_WAIT_PERIOD,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Unblock Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_UNBLOCK,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Thread Delete Statement */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_DELETE,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Timer Tick */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_TIMER_TICK,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_SET_OWNER,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_WAKEUP1,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_WAKEUPX,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_UNLOCK,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-      
-      /* Xenomai sleeping on a mutex */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_SLEEP_ON,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_before_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, before_hn++));
-      if(ret) before_hn--;
-
-      /******************** after hooks **********************************/
-      
-      after_hn = before_hn;
-     
-      /* Xenomai Thread Initialization */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_INIT,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_PRIO,
-          xenoltt_thread_init,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-      
-      /* Xenomai Thread Initialization , first event of each thread */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_INIT,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /******************** icons hooks **********************************/
-      
-      icons_hn = after_hn;
-      
-      /* Xenomai Thread Initialization */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_INIT,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, 0,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-
-      /* Xenomai Thread Delete */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_DELETE,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, 0,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      /* Xenomai Thread Set Period */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_SET_PERIOD,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_PERIOD,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      /* Xenomai TIMER TICK */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_TIMER_TICK,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, 0,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      /* Xenomai Thread Renice */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_RENICE,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_PRIO,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-
-      /* Xenomai Thread Missed period */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_MISSED_PERIOD,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_OVERRUNS,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_SET_OWNER,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_SYNCH,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_WAKEUP1,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_SYNCH,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_WAKEUPX,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_SYNCH,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_SLEEP_ON,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_SYNCH,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-
-      /* Xenomai Mutex/Semaphore owner setting */
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_UNLOCK,
-          LTT_FIELD_XENOLTT_NAME, LTT_FIELD_XENOLTT_ADDRESS, LTT_FIELD_XENOLTT_SYNCH,
-          xenoltt_draw_icons,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, icons_hn++));
-      if(ret) icons_hn--;
-      
-      hooks = g_array_set_size(hooks, icons_hn);
-
-      /* Add these hooks to each event_by_id hooks list */
-      /* add before */
-      for(k = 0 ; k < before_hn ; k++) {
-        hook = &g_array_index(hooks, LttvTraceHook, k);
-        for(l=0;l<hook->fac_list->len;l++) {
-          thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
-          lttv_hooks_add(lttv_hooks_by_id_find(event_by_id, thf->id),
-                          thf->h,
-                          thf,
-                          LTTV_PRIO_STATE-5);
-        }
-      }
-
-      /* add after */
-      for(k = before_hn ; k < after_hn ; k++) {
-        hook = &g_array_index(hooks, LttvTraceHook, k);
-        for(l=0;l<hook->fac_list->len;l++) {
-          thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
-          lttv_hooks_add(lttv_hooks_by_id_find(event_by_id, thf->id),
-                         thf->h,
-                         thf,
-                         LTTV_PRIO_STATE+5);
-        }
-      }
-      
-      /* add icons/text */
-      for(k = after_hn ; k < icons_hn ; k++) {
-        hook = &g_array_index(hooks, LttvTraceHook, k);
-        for(l=0;l<hook->fac_list->len;l++) {
-          thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
-          lttv_hooks_add(lttv_hooks_by_id_find(event_by_id, thf->id),
-                         thf->h,
-                         thf,
-                         LTTV_PRIO_STATE+4);
-        }
-      }
-      
-      events_request->hooks = hooks;
-
-      // Fill the events request
-      events_request->owner = xenoltt_data;
-      events_request->viewer_data = xenoltt_data;
-      events_request->servicing = FALSE;
-      events_request->start_time = start;
-      events_request->start_position = NULL;
-      events_request->stop_flag = FALSE;
-      events_request->end_time = time_end;
-      events_request->num_events = G_MAXUINT;
-      events_request->end_position = NULL;
-      events_request->trace = i; //fixed    /* FIXME */
-      events_request->before_chunk_traceset = before_chunk_traceset;
-      events_request->before_chunk_trace = NULL;
-      events_request->before_chunk_tracefile = NULL;
-      events_request->event = NULL;
-      events_request->event_by_id = event_by_id;
-      events_request->after_chunk_tracefile = NULL;
-      events_request->after_chunk_trace = NULL;
-      events_request->after_chunk_traceset = after_chunk_traceset;
-      events_request->before_request = before_request_hook;
-      events_request->after_request = after_request_hook;
-
-      g_debug("req : start : %lu, %lu", start.tv_sec, 
-                                          start.tv_nsec);
-
-      g_debug("req : end : %lu, %lu", time_end.tv_sec, 
-                                         time_end.tv_nsec);
-
-      lttvwindow_events_request(tab, events_request);
-
-    }
-  }
-}
-
-static void set_last_start(gpointer key, gpointer value, gpointer user_data)
-{
-  XenoThreadInfo *thread_info = (XenoThreadInfo*)key;
-  HashedThreadData *hashed_thread_data = (HashedThreadData*)value;
-  guint x = (guint)user_data;
-
-  hashed_thread_data->x.over = x;
-  hashed_thread_data->x.over_used = FALSE;
-  hashed_thread_data->x.over_marked = FALSE;
-  hashed_thread_data->x.middle = x;
-  hashed_thread_data->x.middle_used = FALSE;
-  hashed_thread_data->x.middle_marked = FALSE;
-  hashed_thread_data->x.under = x;
-  hashed_thread_data->x.under_used = FALSE;
-  hashed_thread_data->x.under_marked = FALSE;
-  hashed_thread_data->next_good_time = ltt_time_zero;
-
-  return;
-}
-
-void drawing_data_request_begin(EventsRequest *events_request, LttvTracesetState *tss)
-{
-  g_debug("XENOLTT - Begin of data request");
-  XenoLTTData *cfd = events_request->viewer_data;
-  LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(tss);
-  TimeWindow time_window = 
-    lttvwindow_get_time_window(cfd->tab);
-
-  guint width = cfd->drawing->width;
-  guint x=0;
-
-  cfd->drawing->last_start = events_request->start_time;
-
-  convert_time_to_pixels(
-          time_window,
-          events_request->start_time,
-          width,
-          &x);
-
-  g_hash_table_foreach(cfd->thread_list->thread_hash, set_last_start,
-                            (gpointer)x);
-
-}
-
-void drawing_chunk_begin(EventsRequest *events_request, LttvTracesetState *tss)
-{
-  g_debug("Begin of chunk");
-  XenoLTTData *cfd = events_request->viewer_data;
-  LttvTracesetContext *tsc = &tss->parent.parent;
-  //LttTime current_time = lttv_traceset_context_get_current_tfc(tsc)->timestamp;
-  guint i;
-  LttvTraceset *traceset = tsc->ts;
-  guint nb_trace = lttv_traceset_number(traceset);
-  
-  if(!cfd->thread_list->current_hash_data) {
-    cfd->thread_list->current_hash_data = g_new(HashedThreadData**,nb_trace);
-    for(i = 0 ; i < nb_trace ; i++) {
-      guint num_cpu = ltt_trace_get_num_cpu(tss->parent.traces[i]->t);
-      cfd->thread_list->current_hash_data[i] = g_new(HashedThreadData*,num_cpu);
-      memset(cfd->thread_list->current_hash_data[i], 0,
-             sizeof(HashedThreadData*)*num_cpu);
-    }
-  }
-}
-
-
-void drawing_request_expose(EventsRequest *events_request,
-                            LttvTracesetState *tss,
-                            LttTime end_time)
-{
-  gint x, width;
-  guint x_end;
-
-  XenoLTTData *cfd = events_request->viewer_data;
-  LttvTracesetContext *tsc = (LttvTracesetContext*)tss;
-  XenoLtt_Drawing_t *drawing = cfd->drawing;
-  
-  TimeWindow time_window = 
-        lttvwindow_get_time_window(cfd->tab);
-
-  g_debug("request expose");
-  
-  convert_time_to_pixels(
-        time_window,
-        end_time,
-        drawing->width,
-        &x_end);
-  x = drawing->damage_begin;
-
-  width = x_end - x;
-
-  drawing->damage_begin = x+width;
-
-  // FIXME ?
-  gtk_widget_queue_draw_area ( drawing->drawing_area,
-                               x, 0,
-                               width, drawing->drawing_area->allocation.height);
-  /* Update directly when scrolling */
-  gdk_window_process_updates(drawing->drawing_area->window,
-      TRUE);
-}
-
-
-/* Callbacks */
-
-
-/* Create a new backing pixmap of the appropriate size */
-/* As the scaling will always change, it's of no use to copy old
- * pixmap.
- *
- * Only change the size if width changes. The height is specified and changed
- * when process ID are added or removed from the process list.
- */
-static gboolean
-configure_event( GtkWidget *widget, GdkEventConfigure *event, 
-    gpointer user_data)
-{
-  XenoLtt_Drawing_t *drawing = (XenoLtt_Drawing_t *)user_data;
-
-
-  /* First, get the new time interval of the main window */
-  /* we assume (see documentation) that the main window
-   * has updated the time interval before this configure gets
-   * executed.
-   */
-  //lttvwindow_get_time_window(drawing->xenoltt_data->mw,
-  //      &drawing->xenoltt_data->time_window);
-  
-  /* New pixmap, size of the configure event */
-  //GdkPixmap *pixmap = gdk_pixmap_new(widget->window,
-  //      widget->allocation.width + SAFETY,
-  //      widget->allocation.height + SAFETY,
-  //      -1);
-  
-  if(widget->allocation.width != drawing->width) {
-    g_debug("drawing configure event");
-    g_debug("New alloc draw size : %i by %i",widget->allocation.width,
-                                    widget->allocation.height);
-  
-    drawing->width = widget->allocation.width;
-    
-    if(drawing->alloc_width < widget->allocation.width) {
-      //if(drawing->pixmap)
-      //  gdk_pixmap_unref(drawing->pixmap);
-
-      //drawing->pixmap = gdk_pixmap_new(widget->window,
-      //                                 drawing->width + SAFETY + EXTRA_ALLOC,
-      //                                 drawing->height + EXTRA_ALLOC,
-      //                                 -1);
-      drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
-      drawing->alloc_height = drawing->height + EXTRA_ALLOC;
-      update_pixmap_size(drawing->xenoltt_data->thread_list,
-                         drawing->alloc_width);
-      update_index_to_pixmap(drawing->xenoltt_data->thread_list);
-    }
-    //drawing->height = widget->allocation.height;
-
-    //ProcessList_get_height
-    // (GuiControlFlow_get_thread_list(drawing->xenoltt_data)),
-    
-
-    // Clear the image
-    //gdk_draw_rectangle (drawing->pixmap,
-    //      widget->style->black_gc,
-    //      TRUE,
-    //      0, 0,
-    //      drawing->width+SAFETY,
-    //      drawing->height);
-
-    //g_info("init data request");
-
-
-    /* Initial data request */
-    /* no, do initial data request in the expose event */
-    // Do not need to ask for data of 1 pixel : not synchronized with
-    // main window time at this moment.
-    //drawing_data_request(drawing, &drawing->pixmap, 0, 0,
-    //    widget->allocation.width,
-    //    widget->allocation.height);
-                          
-    //drawing->width = widget->allocation.width;
-    //drawing->height = widget->allocation.height;
-  
-    drawing->damage_begin = 0;
-    drawing->damage_end = widget->allocation.width;
-
-    if((widget->allocation.width != 1 &&
-        widget->allocation.height != 1)
-        && drawing->damage_begin < drawing->damage_end)
-    {
-
-      rectangle_pixmap (drawing->xenoltt_data->thread_list,
-        drawing->drawing_area->style->black_gc,
-        TRUE,
-        0, 0,
-        drawing->alloc_width, // do not overlap
-        -1);
-
-
-      drawing_data_request(drawing,
-                           drawing->damage_begin,
-                           0,
-                           drawing->damage_end - drawing->damage_begin,
-                           drawing->height);
-    }
-  }
-  return TRUE;
-}
-
-
-/* Redraw the screen from the backing pixmap */
-static gboolean
-expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
-{
-  XenoLtt_Drawing_t *drawing = (XenoLtt_Drawing_t *)user_data;
-
-  XenoLTTData *xenoltt_data =
-      (XenoLTTData*)g_object_get_data(
-                G_OBJECT(widget),
-                "xenoltt_data");
-#if 0
-  if(unlikely(drawing->gc == NULL)) {
-    drawing->gc = gdk_gc_new(drawing->drawing_area->window);
-    gdk_gc_copy(drawing->gc, drawing->drawing_area->style->black_gc);
-  }
-#endif //0
-  TimeWindow time_window = 
-      lttvwindow_get_time_window(xenoltt_data->tab);
-  LttTime current_time = 
-      lttvwindow_get_current_time(xenoltt_data->tab);
-
-  guint cursor_x=0;
-
-  LttTime window_end = time_window.end_time;
-
-  /* update the screen from the pixmap buffer */
-#if 0
-  gdk_draw_pixmap(widget->window,
-      widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
-      drawing->pixmap,
-      event->area.x, event->area.y,
-      event->area.x, event->area.y,
-      event->area.width, event->area.height);
-#endif //0
-  drawing->height = threadlist_get_height(xenoltt_data->thread_list);
-#if 0
-  copy_pixmap_to_screen(xenoltt_data->thread_list,
-                        widget->window,
-                        widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
-                        event->area.x, event->area.y,
-                        event->area.width, event->area.height);
-#endif //0
-  copy_pixmap_to_screen(xenoltt_data->thread_list,
-                        widget->window,
-                        drawing->gc,
-                        event->area.x, event->area.y,
-                        event->area.width, event->area.height);
-                        
-  
-  /* Erase the dotted lines left.. */
-  if(widget->allocation.height > drawing->height)
-  {
-    gdk_draw_rectangle (widget->window,
-      drawing->drawing_area->style->black_gc,
-      TRUE,
-      event->area.x, drawing->height,
-      event->area.width,  // do not overlap
-      widget->allocation.height - drawing->height);
-  }
-  if(ltt_time_compare(time_window.start_time, current_time) <= 0 &&
-           ltt_time_compare(window_end, current_time) >= 0)
-  {
-    /* Draw the dotted lines */
-    convert_time_to_pixels(
-          time_window,
-          current_time,
-          drawing->width,
-          &cursor_x);
-
-#if 0
-    if(drawing->dotted_gc == NULL) {
-
-      drawing->dotted_gc = gdk_gc_new(drawing->drawing_area->window);
-      gdk_gc_copy(drawing->dotted_gc, widget->style->white_gc);
-   
-      gint8 dash_list[] = { 1, 2 };
-      gdk_gc_set_line_attributes(drawing->dotted_gc,
-                                 1,
-                                 GDK_LINE_ON_OFF_DASH,
-                                 GDK_CAP_BUTT,
-                                 GDK_JOIN_MITER);
-      gdk_gc_set_dashes(drawing->dotted_gc,
-                        0,
-                        dash_list,
-                        2);
-    }
-#endif //0
-    gint height_tot = MAX(widget->allocation.height, drawing->height);
-    gdk_draw_line(widget->window,
-                  drawing->dotted_gc,
-                  cursor_x, 0,
-                  cursor_x, height_tot);
-  }
-  return FALSE;
-}
-
-static gboolean
-after_expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
-{
-  //g_assert(0);
-  g_debug("AFTER EXPOSE");
-
-  return FALSE;
-
-
-}
-
-#if 0
-void
-tree_row_activated(GtkTreeModel *treemodel,
-                   GtkTreePath *arg1,
-                   GtkTreeViewColumn *arg2,
-                   gpointer user_data)
-{
-  XenoLTTData *cfd = (XenoLTTData*)user_data;
-  XenoLtt_Drawing_t *drawing = cfd->drawing;
-  GtkTreeView *treeview = cfd->thread_list->thread_list_widget;
-  gint *path_indices;
-  gint height;
-  
-  path_indices =  gtk_tree_path_get_indices (arg1);
-
-  height = get_cell_height(cfd->thread_list,
-        GTK_TREE_VIEW(treeview));
-  drawing->horizontal_sel = height * path_indices[0];
-  g_critical("new hor sel : %i", drawing->horizontal_sel);
-}
-#endif //0
-
-/* mouse click */
-static gboolean
-button_press_event( GtkWidget *widget, GdkEventButton *event, gpointer user_data )
-{
-  XenoLTTData *xenoltt_data =
-      (XenoLTTData*)g_object_get_data(
-                G_OBJECT(widget),
-                "xenoltt_data");
-  XenoLtt_Drawing_t *drawing = xenoltt_data->drawing;
-  TimeWindow time_window =
-               lttvwindow_get_time_window(xenoltt_data->tab);
-
-  g_debug("click");
-  if(event->button == 1)
-  {
-    LttTime time;
-
-    /* left mouse button click */
-    g_debug("x click is : %f", event->x);
-
-    convert_pixels_to_time(drawing->width, (guint)event->x,
-        time_window,
-        &time);
-
-    lttvwindow_report_current_time(xenoltt_data->tab, time);
-
-  }
-
-  return FALSE;
-}
-
-static gboolean
-scrollbar_size_allocate(GtkWidget *widget,
-                        GtkAllocation *allocation,
-                        gpointer user_data)
-{
-  XenoLtt_Drawing_t *drawing = (XenoLtt_Drawing_t *)user_data;
-
-  gtk_widget_set_size_request(drawing->padding, allocation->width, -1);
-  //gtk_widget_queue_resize(drawing->padding);
-  //gtk_widget_queue_resize(drawing->ruler);
-  gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
-  return 0;
-}
-
-
-
-XenoLtt_Drawing_t  *xenoltt_drawing_construct(XenoLTTData *xenoltt_data)
-{
-  XenoLtt_Drawing_t *drawing = g_new(XenoLtt_Drawing_t , 1);
-  
-  drawing->xenoltt_data = xenoltt_data;
-
-  drawing->vbox = gtk_vbox_new(FALSE, 1);
-
-  
-  drawing->ruler_hbox = gtk_hbox_new(FALSE, 1);
-  drawing->ruler = gtk_drawing_area_new ();
-  //gtk_widget_set_size_request(drawing->ruler, -1, 27);
-  
-  drawing->padding = gtk_drawing_area_new ();
-  //gtk_widget_set_size_request(drawing->padding, -1, 27);
-  gtk_box_pack_start(GTK_BOX(drawing->ruler_hbox), drawing->ruler, 
-                     TRUE, TRUE, 0);
-  gtk_box_pack_end(GTK_BOX(drawing->ruler_hbox), drawing->padding, 
-                     FALSE, FALSE, 0);
-  
-
-
-  drawing->drawing_area = gtk_drawing_area_new ();
-  
-  drawing->gc = NULL;
-  
-  drawing->hbox = gtk_hbox_new(FALSE, 1);
-  drawing->viewport = gtk_viewport_new(NULL, xenoltt_data->v_adjust);
-  drawing->scrollbar = gtk_vscrollbar_new(xenoltt_data->v_adjust);
-  gtk_box_pack_start(GTK_BOX(drawing->hbox), drawing->viewport, 
-                     TRUE, TRUE, 0);
-  gtk_box_pack_end(GTK_BOX(drawing->hbox), drawing->scrollbar, 
-                     FALSE, FALSE, 0);
-  
-  //drawing->scrolled_window =
-  //    gtk_scrolled_window_new (NULL,
-  //    xenoltt_data->v_adjust);
-  
-  //gtk_scrolled_window_set_policy(
-  //  GTK_SCROLLED_WINDOW(drawing->scrolled_window),
-  //  GTK_POLICY_NEVER,
-  //  GTK_POLICY_AUTOMATIC);
-
-  gtk_container_add(GTK_CONTAINER(drawing->viewport),
-                    drawing->drawing_area);
-  //gtk_scrolled_window_add_with_viewport(
-  //  GTK_SCROLLED_WINDOW(drawing->scrolled_window),
-  //  drawing->drawing_area);
-
-  gtk_box_pack_start(GTK_BOX(drawing->vbox), drawing->ruler_hbox, 
-                     FALSE, FALSE, 0);
-  gtk_box_pack_end(GTK_BOX(drawing->vbox), drawing->hbox,
-                   TRUE, TRUE, 0);
-  
-  drawing->pango_layout =
-    gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
-
-  drawing->height = 1;
-  drawing->width = 1;
-  drawing->depth = 0;
-  drawing->alloc_height = 1;
-  drawing->alloc_width = 1;
-  
-  drawing->damage_begin = 0;
-  drawing->damage_end = 0;
-  drawing->horizontal_sel = -1;
-  
-  //gtk_widget_set_size_request(drawing->drawing_area->window, 50, 50);
-  g_object_set_data_full(
-      G_OBJECT(drawing->drawing_area),
-      "Link_drawing_Data",
-      drawing,
-      (GDestroyNotify)drawing_destroy);
-
-  g_object_set_data(
-      G_OBJECT(drawing->ruler),
-      "drawing",
-      drawing);
-
-
-  //gtk_widget_modify_bg( drawing->drawing_area,
-  //      GTK_STATE_NORMAL,
-  //      &CF_Colors[BLACK]);
-  
-  //gdk_window_get_geometry(drawing->drawing_area->window,
-  //    NULL, NULL,
-  //    &(drawing->width),
-  //    &(drawing->height),
-  //    -1);
-  
-  //drawing->pixmap = gdk_pixmap_new(
-  //    drawing->drawing_area->window,
-  //    drawing->width,
-  //    drawing->height,
-  //    drawing->depth);
-  
-  //drawing->pixmap = NULL;
-
-//  drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
-//        drawing->drawing_area->allocation.width,
-//        drawing->drawing_area->allocation.height,
-//        -1);
-
-  g_signal_connect (G_OBJECT(drawing->drawing_area),
-        "configure_event",
-        G_CALLBACK (configure_event),
-        (gpointer)drawing);
-  g_signal_connect (G_OBJECT(drawing->ruler),
-        "expose_event",
-        G_CALLBACK(expose_ruler),
-        (gpointer)drawing);
-
-  gtk_widget_add_events(drawing->ruler, GDK_POINTER_MOTION_MASK);
-
-  g_signal_connect (G_OBJECT(drawing->ruler),
-        "motion-notify-event",
-        G_CALLBACK(motion_notify_ruler),
-        (gpointer)drawing);
-
-
-  g_signal_connect (G_OBJECT(drawing->scrollbar),
-        "size-allocate",
-        G_CALLBACK(scrollbar_size_allocate),
-        (gpointer)drawing);
-
-
-
-  g_signal_connect (G_OBJECT(drawing->drawing_area),
-        "expose_event",
-        G_CALLBACK (expose_event),
-        (gpointer)drawing);
-
-  g_signal_connect_after (G_OBJECT(drawing->drawing_area),
-        "expose_event",
-        G_CALLBACK (after_expose_event),
-        (gpointer)drawing);
-
-  g_signal_connect (G_OBJECT(drawing->drawing_area),
-        "button-press-event",
-        G_CALLBACK (button_press_event),
-        (gpointer)drawing);
-  
-
-  gtk_widget_show(drawing->ruler);
-  gtk_widget_show(drawing->padding);
-  gtk_widget_show(drawing->ruler_hbox);
-
-  gtk_widget_show(drawing->drawing_area);
-  //gtk_widget_show(drawing->scrolled_window);
-  gtk_widget_show(drawing->viewport);
-  gtk_widget_show(drawing->scrollbar);
-  gtk_widget_show(drawing->hbox);
-
-  /* Allocate the colors */
-  GdkColormap* colormap = gdk_colormap_get_system();
-  gboolean success[NUM_COLORS];
-  gdk_colormap_alloc_colors(colormap, drawing_colors, NUM_COLORS, FALSE,
-                            TRUE, success);
-  
-  drawing->gc =
-    gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(xenoltt_data->tab)->window));
-  drawing->dotted_gc =
-    gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(xenoltt_data->tab)->window));
-
-  gdk_gc_copy(drawing->gc,
-      main_window_get_widget(xenoltt_data->tab)->style->black_gc);
-  gdk_gc_copy(drawing->dotted_gc,
-      main_window_get_widget(xenoltt_data->tab)->style->white_gc);
-  
-  gint8 dash_list[] = { 1, 2 };
-  gdk_gc_set_line_attributes(drawing->dotted_gc,
-                             1,
-                             GDK_LINE_ON_OFF_DASH,
-                             GDK_CAP_BUTT,
-                             GDK_JOIN_MITER);
-  gdk_gc_set_dashes(drawing->dotted_gc,
-                    0,
-                    dash_list,
-                    2);
-
-  drawing->ruler_gc_butt = 
-    gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(xenoltt_data->tab)->window));
-  gdk_gc_copy(drawing->ruler_gc_butt, 
-      main_window_get_widget(xenoltt_data->tab)->style->black_gc);
-  drawing->ruler_gc_round = 
-    gdk_gc_new(GDK_DRAWABLE(main_window_get_widget(xenoltt_data->tab)->window));
-  gdk_gc_copy(drawing->ruler_gc_round, 
-      main_window_get_widget(xenoltt_data->tab)->style->black_gc);
-
-
-  gdk_gc_set_line_attributes(drawing->ruler_gc_butt,
-                               2,
-                               GDK_LINE_SOLID,
-                               GDK_CAP_BUTT,
-                               GDK_JOIN_MITER);
-
-  gdk_gc_set_line_attributes(drawing->ruler_gc_round,
-                             2,
-                             GDK_LINE_SOLID,
-                             GDK_CAP_ROUND,
-                             GDK_JOIN_ROUND);
-
-  
-  return drawing;
-}
-
-void drawing_destroy(XenoLtt_Drawing_t  *drawing)
-{
-  g_info("drawing_destroy %p", drawing);
-
-  /* Free the colors */
-  GdkColormap* colormap = gdk_colormap_get_system();
-
-  gdk_colormap_free_colors(colormap, drawing_colors, NUM_COLORS);
-  
-
-
-  // Do not unref here, XenoLtt_Drawing_t destroyed by it's widget.
-  //g_object_unref( G_OBJECT(drawing->drawing_area));
-  if(drawing->gc != NULL)
-    gdk_gc_unref(drawing->gc);
-  
-  g_object_unref(drawing->pango_layout);
-  if(drawing->dotted_gc != NULL) gdk_gc_unref(drawing->dotted_gc);
-  if(drawing->ruler_gc_butt != NULL) gdk_gc_unref(drawing->ruler_gc_butt);
-  if(drawing->ruler_gc_round != NULL) gdk_gc_unref(drawing->ruler_gc_round);
-
-  g_free(drawing);
-  g_info("drawing_destroy end");
-}
-
-GtkWidget *drawing_get_drawing_area(XenoLtt_Drawing_t  *drawing)
-{
-  return drawing->drawing_area;
-}
-
-GtkWidget *drawing_get_widget(XenoLtt_Drawing_t  *drawing)
-{
-  return drawing->vbox;
-}
-
-void drawing_draw_line( XenoLtt_Drawing_t *drawing,
-      GdkPixmap *pixmap,
-      guint x1, guint y1,
-      guint x2, guint y2,
-      GdkGC *GC)
-{
-  gdk_draw_line (pixmap,
-      GC,
-      x1, y1, x2, y2);
-}
-
-void drawing_clear(XenoLtt_Drawing_t  *drawing)
-{ 
-  //if (drawing->pixmap)
-  //  gdk_pixmap_unref(drawing->pixmap);
-  XenoLTTData *cfd = drawing->xenoltt_data;
-
-  
-  rectangle_pixmap(cfd->thread_list,
-      drawing->drawing_area->style->black_gc,
-      TRUE,
-      0, 0,
-      drawing->alloc_width,  // do not overlap
-      -1);
-  
-  //drawing->height = 1;
-  /* Allocate a new pixmap with new height */
-  //drawing->pixmap = gdk_pixmap_new(drawing->drawing_area->window,
-  //                                 drawing->width + SAFETY + EXTRA_ALLOC,
-  //                                 drawing->height + EXTRA_ALLOC,
-  //                                   -1);
-  //drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
-  //drawing->alloc_height = drawing->height + EXTRA_ALLOC;
-
-  //gtk_widget_set_size_request(drawing->drawing_area,
-  //                           -1,
-  //                           drawing->height);
-  //gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
-  
-  /* ask for the buffer to be redrawn */
-  gtk_widget_queue_draw ( drawing->drawing_area);
-}
-
-#if 0
-/* Insert a square corresponding to a new process in the list */
-/* Applies to whole drawing->width */
-void drawing_insert_square(XenoLtt_Drawing_t  *drawing,
-        guint y,
-        guint height)
-{
-  //GdkRectangle update_rect;
-  gboolean reallocate = FALSE;
-  GdkPixmap *new_pixmap;
-
-  /* Allocate a new pixmap with new height */
-  if(drawing->alloc_height < drawing->height + height) {
-
-    new_pixmap = gdk_pixmap_new(drawing->drawing_area->window,
-                                     drawing->width + SAFETY + EXTRA_ALLOC,
-                                     drawing->height + height + EXTRA_ALLOC,
-                                     -1);
-    drawing->alloc_width = drawing->width + SAFETY + EXTRA_ALLOC;
-    drawing->alloc_height = drawing->height + height + EXTRA_ALLOC;
-    reallocate = TRUE;
-
-    /* Copy the high region */
-    gdk_draw_pixmap (new_pixmap,
-      drawing->drawing_area->style->black_gc,
-      drawing->pixmap,
-      0, 0,
-      0, 0,
-      drawing->width + SAFETY, y);
-
-  } else {
-    new_pixmap = drawing->pixmap;
-  }
-
-  //GdkPixmap *pixmap = gdk_pixmap_new(drawing->drawing_area->window,
-  //      drawing->width + SAFETY,
-  //      drawing->height + height,
-  //      -1);
-  
-  /* add an empty square */
-  gdk_draw_rectangle (new_pixmap,
-    drawing->drawing_area->style->black_gc,
-    TRUE,
-    0, y,
-    drawing->width + SAFETY,  // do not overlap
-    height);
-
-  /* copy the bottom of the region */
-  gdk_draw_pixmap (new_pixmap,
-    drawing->drawing_area->style->black_gc,
-    drawing->pixmap,
-    0, y,
-    0, y + height,
-    drawing->width+SAFETY, drawing->height - y);
-
-
-  if(reallocate && likely(drawing->pixmap)) {
-    gdk_pixmap_unref(drawing->pixmap);
-    drawing->pixmap = new_pixmap;
-  }
-  
-  if(unlikely(drawing->height==1)) drawing->height = height;
-  else drawing->height += height;
-  
-  gtk_widget_set_size_request(drawing->drawing_area,
-                             -1,
-                             drawing->height);
-  gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
-  
-  /* ask for the buffer to be redrawn */
-  gtk_widget_queue_draw_area ( drawing->drawing_area,
-                               0, y,
-                               drawing->width, drawing->height-y);
-}
-
-
-/* Remove a square corresponding to a removed process in the list */
-void drawing_remove_square(XenoLtt_Drawing_t  *drawing,
-        guint y,
-        guint height)
-{
-  GdkPixmap *pixmap;
-
-  if(unlikely((guint)drawing->height == height)) {
-    //pixmap = gdk_pixmap_new(
-    //    drawing->drawing_area->window,
-    //    drawing->width + SAFETY,
-    //    1,
-    //    -1);
-    pixmap = drawing->pixmap;
-    drawing->height=1;
-  } else {
-    /* Allocate a new pixmap with new height */
-     //pixmap = gdk_pixmap_new(
-     //   drawing->drawing_area->window,
-     //   drawing->width + SAFETY,
-     //   drawing->height - height,
-     //   -1);
-     /* Keep the same preallocated pixmap */
-    pixmap = drawing->pixmap;
-   
-    /* Copy the high region */
-    gdk_draw_pixmap (pixmap,
-      drawing->drawing_area->style->black_gc,
-      drawing->pixmap,
-      0, 0,
-      0, 0,
-      drawing->width + SAFETY, y);
-
-    /* Copy up the bottom of the region */
-    gdk_draw_pixmap (pixmap,
-      drawing->drawing_area->style->black_gc,
-      drawing->pixmap,
-      0, y + height,
-      0, y,
-      drawing->width, drawing->height - y - height);
-
-    drawing->height-=height;
-  }
-
-  //if(likely(drawing->pixmap))
-  //  gdk_pixmap_unref(drawing->pixmap);
-
-  //drawing->pixmap = pixmap;
-  
-  gtk_widget_set_size_request(drawing->drawing_area,
-                             -1,
-                             drawing->height);
-  gtk_widget_queue_resize_no_redraw(drawing->drawing_area);
-  /* ask for the buffer to be redrawn */
-  gtk_widget_queue_draw_area ( drawing->drawing_area,
-                               0, y,
-                               drawing->width, MAX(drawing->height-y, 1));
-}
-#endif //0
-
-void drawing_update_ruler(XenoLtt_Drawing_t  *drawing, TimeWindow *time_window)
-{
-  GtkRequisition req;
-  GdkRectangle rect;
-  
-  req.width = drawing->ruler->allocation.width;
-  req.height = drawing->ruler->allocation.height;
-
-  rect.x = 0;
-  rect.y = 0;
-  rect.width = req.width;
-  rect.height = req.height;
-
-  gtk_widget_queue_draw(drawing->ruler);
-  //gtk_widget_draw( drawing->ruler, &rect);
-}
-
-/* Redraw the ruler */
-static gboolean
-expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
-{
-  XenoLtt_Drawing_t *drawing = (XenoLtt_Drawing_t *)user_data;
-  TimeWindow time_window = lttvwindow_get_time_window(drawing->xenoltt_data->tab);
-  gchar text[255];
-  
-  PangoContext *context;
-  PangoLayout *layout;
-  PangoFontDescription *FontDesc;
-  PangoRectangle ink_rect;
-  gint global_width=0;
-  GdkColor foreground = { 0, 0, 0, 0 };
-  GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
-
-  LttTime window_end = time_window.end_time;
-  LttTime half_width =
-    ltt_time_div(time_window.time_width,2.0);
-  LttTime window_middle =
-    ltt_time_add(half_width,
-                 time_window.start_time);
-  g_debug("ruler expose event");
-  gdk_draw_rectangle (drawing->ruler->window,
-          drawing->ruler->style->white_gc,
-          TRUE,
-          event->area.x, event->area.y,
-          event->area.width,
-          event->area.height);
-
-  gdk_draw_line (drawing->ruler->window,
-                  drawing->ruler_gc_butt,
-                  event->area.x, 1,
-                  event->area.x + event->area.width, 1);
-
-
-  snprintf(text, 255, "%lus\n%luns",
-    time_window.start_time.tv_sec,
-    time_window.start_time.tv_nsec);
-  
-  layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
-
-  context = pango_layout_get_context(layout);
-  FontDesc = pango_context_get_font_description(context);
-
-  pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
-  pango_layout_context_changed(layout);
-
-  pango_layout_set_text(layout, text, -1);
-  pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
-  global_width += ink_rect.width;
-
-  gdk_draw_layout_with_colors(drawing->ruler->window,
-      drawing->ruler_gc_butt,
-      0,
-      6,
-      layout, &foreground, &background);
-
-  gdk_draw_line (drawing->ruler->window,
-                   drawing->ruler_gc_round,
-                   1, 1,
-                   1, 7);
-
-
-  snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
-                                     window_end.tv_nsec);
-
-  pango_layout_set_text(layout, text, -1);
-  pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
-  global_width += ink_rect.width;
-
-  if(global_width <= drawing->ruler->allocation.width)
-  {
-    gdk_draw_layout_with_colors(drawing->ruler->window,
-      drawing->ruler_gc_butt,
-      drawing->ruler->allocation.width - ink_rect.width,
-      6,
-      layout, &foreground, &background);
-
-    gdk_draw_line (drawing->ruler->window,
-                   drawing->ruler_gc_butt,
-                   drawing->ruler->allocation.width-1, 1,
-                   drawing->ruler->allocation.width-1, 7);
-  }
-
-
-  snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
-                                     window_middle.tv_nsec);
-
-  pango_layout_set_text(layout, text, -1);
-  pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
-  global_width += ink_rect.width;
-
-  if(global_width <= drawing->ruler->allocation.width)
-  {
-    gdk_draw_layout_with_colors(drawing->ruler->window,
-      drawing->ruler_gc_butt,
-      (drawing->ruler->allocation.width - ink_rect.width)/2,
-      6,
-      layout, &foreground, &background);
-
-    gdk_draw_line (drawing->ruler->window,
-                   drawing->ruler_gc_butt,
-                   drawing->ruler->allocation.width/2, 1,
-                   drawing->ruler->allocation.width/2, 7);
-
-
-
-
-  }
-
-  g_object_unref(layout);
-   
-  return FALSE;
-}
-
-
-/* notify mouse on ruler */
-static gboolean
-motion_notify_ruler(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
-{
-  //g_debug("motion");
-  //eventually follow mouse and show time here
-  return 0;
-}
-
-
-
-
-
-      
-      /* Xenomai Thread Start Statement 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_START,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /* Xenomai Thread Resume Statement 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_RESUME,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /* Xenomai Thread Suspend Statement 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_SUSPEND,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-      
-      /* Xenomai Thread Wait Period Statement 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_WAIT_PERIOD,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-      
-      /* Xenomai Thread Unblock Statement 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_UNBLOCK,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /* Xenomai Thread Delete Statement 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_THREAD_DELETE,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /* Xenomai Timer Tick 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_TIMER_TICK,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /* Xenomai Mutex/Semaphore owner setting 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_SET_OWNER,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-            
-      /* Xenomai Mutex/Semaphore owner setting 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_UNLOCK,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-
-      /* Xenomai Mutex/Semaphore owner setting 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_WAKEUP1,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-      
-      /* Xenomai Mutex/Semaphore owner setting 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_WAKEUPX,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-      
-      /* Xenomai Mutex/Semaphore sleeping call 
-      ret = lttv_trace_find_hook(ts->parent.t,
-          LTT_FACILITY_XENOLTT, LTT_EVENT_XENOLTT_SYNCH_SLEEP_ON,
-          LTT_FIELD_XENOLTT_ADDRESS, 0, 0,
-          xenoltt_after_thread_hook,
-          events_request,
-          &g_array_index(hooks, LttvTraceHook, after_hn++));
-      if(ret) after_hn--;
-      */
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