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
  29 #include "cfv.h"
  30 #include "drawing.h"
  31 #include "processlist.h"
  32 #include "eventhooks.h"
  33
  34 extern GSList *g_control_flow_data_list;
  35
  36 static gboolean
  37 header_size_allocate(GtkWidget *widget,
  38                         GtkAllocation *allocation,
  39                         gpointer user_data)
  40 {
  41   Drawing_t *drawing = (Drawing_t*)user_data;
  42
  43   gtk_widget_set_size_request(drawing->ruler, -1, allocation->height);
  44   //gtk_widget_queue_resize(drawing->padding);
  45   //gtk_widget_queue_resize(drawing->ruler);
  46   gtk_container_check_resize(GTK_CONTAINER(drawing->ruler_hbox));
  47   return 0;
  48 }
  49
  50 gboolean cfv_scroll_event(GtkWidget *widget, GdkEventScroll *event,
  51                 gpointer data)
  52 {
  53   ControlFlowData *control_flow_data = (ControlFlowData*)data;
  54         unsigned int cell_height =
  55                 get_cell_height(
  56                                 GTK_TREE_VIEW(control_flow_data->process_list->process_list_widget));
  57         gdouble new;
  58
  59   switch(event->direction) {
  60     case GDK_SCROLL_UP:
  61                         {
  62                                 new = gtk_adjustment_get_value(control_flow_data->v_adjust)
  63                                                                                                                                         - cell_height;
  64                         }
  65       break;
  66     case GDK_SCROLL_DOWN:
  67                         {
  68                                 new = gtk_adjustment_get_value(control_flow_data->v_adjust)
  69                                                                                                                                         + cell_height;
  70                         }
  71       break;
  72                 default:
  73                         return FALSE;
  74   }
  75         if(new >= control_flow_data->v_adjust->lower &&
  76                         new <= control_flow_data->v_adjust->upper
  77                                         - control_flow_data->v_adjust->page_size)
  78                 gtk_adjustment_set_value(control_flow_data->v_adjust, new);
  79         return TRUE;
  80 }
  81
  82
  83 /*****************************************************************************
  84  *                     Control Flow Viewer class implementation              *
  85  *****************************************************************************/
  86 /**
  87  * Control Flow Viewer's constructor
  88  *
  89  * This constructor is given as a parameter to the menuitem and toolbar button
  90  * registration. It creates the drawing widget.
  91  * @param ParentWindow A pointer to the parent window.
  92  * @return The widget created.
  93  */
  94 ControlFlowData *
  95 guicontrolflow(Tab *tab)
  96 {
  97   GtkWidget *process_list_widget, *drawing_widget, *drawing_area;
  98
  99   ControlFlowData* control_flow_data = g_new(ControlFlowData,1) ;
 100
 101   control_flow_data->tab = tab;
 102
 103   control_flow_data->v_adjust =
 104     GTK_ADJUSTMENT(gtk_adjustment_new(  0.0,  /* Value */
 105               0.0,  /* Lower */
 106               0.0,  /* Upper */
 107               0.0,  /* Step inc. */
 108               0.0,  /* Page inc. */
 109               0.0));  /* page size */
 110
 111   /* Create the drawing */
 112   control_flow_data->drawing = drawing_construct(control_flow_data);
 113
 114   drawing_widget =
 115     drawing_get_widget(control_flow_data->drawing);
 116
 117   drawing_area =
 118     drawing_get_drawing_area(control_flow_data->drawing);
 119
 120   control_flow_data->number_of_process = 0;
 121   control_flow_data->background_info_waiting = 0;
 122
 123   /* Create the Process list */
 124   control_flow_data->process_list = processlist_construct();
 125
 126   process_list_widget =
 127     processlist_get_widget(control_flow_data->process_list);
 128
 129   gtk_tree_view_set_vadjustment(GTK_TREE_VIEW(process_list_widget),
 130                                 GTK_ADJUSTMENT(
 131                                    control_flow_data->v_adjust));
 132
 133   g_signal_connect (G_OBJECT(process_list_widget),
 134         "scroll-event",
 135         G_CALLBACK (cfv_scroll_event),
 136         (gpointer)control_flow_data);
 137          g_signal_connect (G_OBJECT(drawing_area),
 138         "scroll-event",
 139         G_CALLBACK (cfv_scroll_event),
 140         (gpointer)control_flow_data);
 141
 142   g_signal_connect (G_OBJECT(control_flow_data->process_list->button),
 143         "size-allocate",
 144         G_CALLBACK(header_size_allocate),
 145         (gpointer)control_flow_data->drawing);
 146 #if 0  /* not ready */
 147   g_signal_connect (
 148        // G_OBJECT(control_flow_data->process_list->process_list_widget),
 149         G_OBJECT(control_flow_data->process_list->list_store),
 150         "row-changed",
 151         G_CALLBACK (tree_row_activated),
 152         (gpointer)control_flow_data);
 153 #endif //0
 154
 155   control_flow_data->h_paned = gtk_hpaned_new();
 156   control_flow_data->box = gtk_event_box_new();
 157   control_flow_data->top_widget = control_flow_data->box;
 158   gtk_container_add(GTK_CONTAINER(control_flow_data->box),
 159                     control_flow_data->h_paned);
 160
 161   gtk_paned_pack1(GTK_PANED(control_flow_data->h_paned),
 162                   process_list_widget, FALSE, TRUE);
 163   gtk_paned_pack2(GTK_PANED(control_flow_data->h_paned),
 164                   drawing_widget, TRUE, TRUE);
 165
 166   gtk_container_set_border_width(GTK_CONTAINER(control_flow_data->box), 1);
 167
 168   /* Set the size of the drawing area */
 169   //drawing_Resize(drawing, h, w);
 170
 171   /* Get trace statistics */
 172   //control_flow_data->Trace_Statistics = get_trace_statistics(Trace);
 173
 174   gtk_widget_show(drawing_widget);
 175   gtk_widget_show(process_list_widget);
 176   gtk_widget_show(control_flow_data->h_paned);
 177   gtk_widget_show(control_flow_data->box);
 178
 179   g_object_set_data_full(
 180       G_OBJECT(control_flow_data->top_widget),
 181       "control_flow_data",
 182       control_flow_data,
 183       (GDestroyNotify)guicontrolflow_destructor);
 184
 185   g_object_set_data(
 186       G_OBJECT(drawing_area),
 187       "control_flow_data",
 188       control_flow_data);
 189
 190   g_control_flow_data_list = g_slist_append(
 191       g_control_flow_data_list,
 192       control_flow_data);
 193
 194   //WARNING : The widget must be
 195   //inserted in the main window before the drawing area
 196   //can be configured (and this must happend bedore sending
 197   //data)
 198
 199   return control_flow_data;
 200
 201 }
 202
 203 /* Destroys widget also */
 204 void
 205 guicontrolflow_destructor_full(ControlFlowData *control_flow_data)
 206 {
 207   g_info("CFV.c : guicontrolflow_destructor_full, %p", control_flow_data);
 208   /* May already have been done by GTK window closing */
 209   if(GTK_IS_WIDGET(guicontrolflow_get_widget(control_flow_data)))
 210     gtk_widget_destroy(guicontrolflow_get_widget(control_flow_data));
 211   //control_flow_data->mw = NULL;
 212   //FIXME guicontrolflow_destructor(control_flow_data);
 213 }
 214
 215 /* When this destructor is called, the widgets are already disconnected */
 216 void
 217 guicontrolflow_destructor(ControlFlowData *control_flow_data)
 218 {
 219   Tab *tab = control_flow_data->tab;
 220
 221   g_info("CFV.c : guicontrolflow_destructor, %p", control_flow_data);
 222   g_info("%p, %p, %p", update_time_window_hook, control_flow_data, tab);
 223   if(GTK_IS_WIDGET(guicontrolflow_get_widget(control_flow_data)))
 224     g_info("widget still exists");
 225
 226   /* Process List is removed with it's widget */
 227   //ProcessList_destroy(control_flow_data->process_list);
 228   if(tab != NULL)
 229   {
 230       /* Delete reading hooks */
 231     lttvwindow_unregister_traceset_notify(tab,
 232         traceset_notify,
 233         control_flow_data);
 234
 235     lttvwindow_unregister_time_window_notify(tab,
 236         update_time_window_hook,
 237         control_flow_data);
 238
 239     lttvwindow_unregister_current_time_notify(tab,
 240         update_current_time_hook,
 241         control_flow_data);
 242
 243     lttvwindow_unregister_redraw_notify(tab, redraw_notify, control_flow_data);
 244     lttvwindow_unregister_continue_notify(tab,
 245                                           continue_notify,
 246                                           control_flow_data);
 247
 248     lttvwindow_events_request_remove_all(control_flow_data->tab,
 249                                          control_flow_data);
 250
 251   }
 252   lttvwindowtraces_background_notify_remove(control_flow_data);
 253   g_control_flow_data_list =
 254          g_slist_remove(g_control_flow_data_list,control_flow_data);
 255
 256   g_info("CFV.c : guicontrolflow_destructor end, %p", control_flow_data);
 257   g_free(control_flow_data);
 258
 259 }
 260
 261