ltt/branches/poly/lttv/modules/gui/controlflow/cfv.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Mathieu Desnoyers
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include <config.h>
  21 #endif
  22
  23 #include <glib.h>
  24 #include <gtk/gtk.h>
  25 #include <gdk/gdk.h>
  26 #include <lttv/lttv.h>
  27 #include <lttvwindow/lttvwindow.h>
  28 #include <lttvwindow/lttvwindowtraces.h>
  29
  30 #include "cfv.h"
  31 #include "drawing.h"
  32 #include "processlist.h"
  33 #include "eventhooks.h"
  34
  35 extern GSList *g_control_flow_data_list;
  36
  37 static gboolean
  38 header_size_allocate(GtkWidget *widget,
  39                         GtkAllocation *allocation,
  40                         gpointer user_data)
  41 {
  42   Drawing_t *drawing = (Drawing_t*)user_data;
  43
  44   gtk_widget_set_size_request(drawing->ruler, -1, allocation->height);
  45   //gtk_widget_queue_resize(drawing->padding);
  46   //gtk_widget_queue_resize(drawing->ruler);
  47   gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
  48   return 0;
  49 }
  50
  51 gboolean cfv_scroll_event(GtkWidget *widget, GdkEventScroll *event,
  52                 gpointer data)
  53 {
  54   ControlFlowData *control_flow_data = (ControlFlowData*)data;
  55         unsigned int cell_height =
  56                 get_cell_height(
  57                                 GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
  58         gdouble new;
  59
  60   switch(event->direction) {
  61     case GDK_SCROLL_UP:
  62                         {
  63                                 new = gtk_adjustment_get_value(control_flow_data->v_adjust)
  64                                                                                                                                         - cell_height;
  65                         }
  66       break;
  67     case GDK_SCROLL_DOWN:
  68                         {
  69                                 new = gtk_adjustment_get_value(control_flow_data->v_adjust)
  70                                                                                                                                         + cell_height;
  71                         }
  72       break;
  73                 default:
  74                         return FALSE;
  75   }
  76         if(new >= control_flow_data->v_adjust->lower &&
  77                         new <= control_flow_data->v_adjust->upper
  78                                         - control_flow_data->v_adjust->page_size)
  79                 gtk_adjustment_set_value(control_flow_data->v_adjust, new);
  80         return TRUE;
  81 }
  82
  83
  84 /*****************************************************************************
  85  *                     Control Flow Viewer class implementation              *
  86  *****************************************************************************/
  87 /**
  88  * Control Flow Viewer's constructor
  89  *
  90  * This constructor is given as a parameter to the menuitem and toolbar button
  91  * registration. It creates the drawing widget.
  92  * @param ParentWindow A pointer to the parent window.
  93  * @return The widget created.
  94  */
  95 ControlFlowData *
  96 guicontrolflow(Tab *tab)
  97 {
  98   GtkWidget *process_list_widget, *drawing_widget, *drawing_area;
  99
 100   ControlFlowData* control_flow_data = g_new(ControlFlowData,1) ;
 101
 102   control_flow_data->tab = tab;
 103
 104   control_flow_data->v_adjust =
 105     GTK_ADJUSTMENT(gtk_adjustment_new(  0.0,  /* Value */
 106               0.0,  /* Lower */
 107               0.0,  /* Upper */
 108               0.0,  /* Step inc. */
 109               0.0,  /* Page inc. */
 110               0.0));  /* page size */
 111
 112   /* Create the drawing */
 113   control_flow_data->drawing = drawing_construct(control_flow_data);
 114
 115   drawing_widget =
 116     drawing_get_widget(control_flow_data->drawing);
 117
 118   drawing_area =
 119     drawing_get_drawing_area(control_flow_data->drawing);
 120
 121   control_flow_data->number_of_process = 0;
 122   control_flow_data->background_info_waiting = 0;
 123
 124   /* Create the Process list */
 125   control_flow_data->process_list = processlist_construct();
 126
 127   process_list_widget =
 128     processlist_get_widget(control_flow_data->process_list);
 129
 130   gtk_tree_view_set_vadjustment(GTK_TREE_VIEW(process_list_widget),
 131                                 GTK_ADJUSTMENT(
 132                                    control_flow_data->v_adjust));
 133
 134   g_signal_connect (G_OBJECT(process_list_widget),
 135         "scroll-event",
 136         G_CALLBACK (cfv_scroll_event),
 137         (gpointer)control_flow_data);
 138          g_signal_connect (G_OBJECT(drawing_area),
 139         "scroll-event",
 140         G_CALLBACK (cfv_scroll_event),
 141         (gpointer)control_flow_data);
 142
 143   g_signal_connect (G_OBJECT(control_flow_data->process_list->button),
 144         "size-allocate",
 145         G_CALLBACK(header_size_allocate),
 146         (gpointer)control_flow_data->drawing);
 147 #if 0  /* not ready */
 148   g_signal_connect (
 149        // G_OBJECT(control_flow_data->process_list->process_list_widget),
 150         G_OBJECT(control_flow_data->process_list->list_store),
 151         "row-changed",
 152         G_CALLBACK (tree_row_activated),
 153         (gpointer)control_flow_data);
 154 #endif //0
 155
 156   control_flow_data->h_paned = gtk_hpaned_new();
 157   control_flow_data->box = gtk_event_box_new();
 158   control_flow_data->top_widget = control_flow_data->box;
 159   gtk_container_add(GTK_CONTAINER(control_flow_data->box),
 160                     control_flow_data->h_paned);
 161
 162   gtk_paned_pack1(GTK_PANED(control_flow_data->h_paned),
 163                   process_list_widget, FALSE, TRUE);
 164   gtk_paned_pack2(GTK_PANED(control_flow_data->h_paned),
 165                   drawing_widget, TRUE, TRUE);
 166
 167   gtk_container_set_border_width(GTK_CONTAINER(control_flow_data->box), 1);
 168
 169   /* Set the size of the drawing area */
 170   //drawing_Resize(drawing, h, w);
 171
 172   /* Get trace statistics */
 173   //control_flow_data->Trace_Statistics = get_trace_statistics(Trace);
 174
 175   gtk_widget_show(drawing_widget);
 176   gtk_widget_show(process_list_widget);
 177   gtk_widget_show(control_flow_data->h_paned);
 178   gtk_widget_show(control_flow_data->box);
 179
 180   g_object_set_data_full(
 181       G_OBJECT(control_flow_data->top_widget),
 182       "control_flow_data",
 183       control_flow_data,
 184       (GDestroyNotify)guicontrolflow_destructor);
 185
 186   g_object_set_data(
 187       G_OBJECT(drawing_area),
 188       "control_flow_data",
 189       control_flow_data);
 190
 191   g_control_flow_data_list = g_slist_append(
 192       g_control_flow_data_list,
 193       control_flow_data);
 194
 195   //WARNING : The widget must be
 196   //inserted in the main window before the drawing area
 197   //can be configured (and this must happend bedore sending
 198   //data)
 199
 200   return control_flow_data;
 201
 202 }
 203
 204 /* Destroys widget also */
 205 void
 206 guicontrolflow_destructor_full(ControlFlowData *control_flow_data)
 207 {
 208   g_info("CFV.c : guicontrolflow_destructor_full, %p", control_flow_data);
 209   /* May already have been done by GTK window closing */
 210   if(GTK_IS_WIDGET(guicontrolflow_get_widget(control_flow_data)))
 211     gtk_widget_destroy(guicontrolflow_get_widget(control_flow_data));
 212   //control_flow_data->mw = NULL;
 213   //FIXME guicontrolflow_destructor(control_flow_data);
 214 }
 215
 216 /* When this destructor is called, the widgets are already disconnected */
 217 void
 218 guicontrolflow_destructor(ControlFlowData *control_flow_data)
 219 {
 220   Tab *tab = control_flow_data->tab;
 221
 222   g_info("CFV.c : guicontrolflow_destructor, %p", control_flow_data);
 223   g_info("%p, %p, %p", update_time_window_hook, control_flow_data, tab);
 224   if(GTK_IS_WIDGET(guicontrolflow_get_widget(control_flow_data)))
 225     g_info("widget still exists");
 226
 227   /* Process List is removed with it's widget */
 228   //ProcessList_destroy(control_flow_data->process_list);
 229   if(tab != NULL)
 230   {
 231       /* Delete reading hooks */
 232     lttvwindow_unregister_traceset_notify(tab,
 233         traceset_notify,
 234         control_flow_data);
 235
 236     lttvwindow_unregister_time_window_notify(tab,
 237         update_time_window_hook,
 238         control_flow_data);
 239
 240     lttvwindow_unregister_current_time_notify(tab,
 241         update_current_time_hook,
 242         control_flow_data);
 243
 244     lttvwindow_unregister_redraw_notify(tab, redraw_notify, control_flow_data);
 245     lttvwindow_unregister_continue_notify(tab,
 246                                           continue_notify,
 247                                           control_flow_data);
 248
 249     lttvwindow_events_request_remove_all(control_flow_data->tab,
 250                                          control_flow_data);
 251
 252   }
 253   lttvwindowtraces_background_notify_remove(control_flow_data);
 254   g_control_flow_data_list =
 255          g_slist_remove(g_control_flow_data_list,control_flow_data);
 256
 257   g_info("CFV.c : guicontrolflow_destructor end, %p", control_flow_data);
 258   g_free(control_flow_data);
 259
 260 }
 261
 262