ltt/branches/poly/lttv/modules/gui/main/src/init_module.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Mathieu Desnoyers and XangXiu Yang
   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 /*
  20  * Initial main.c file generated by Glade. Edit as required.
  21  * Glade will not overwrite this file.
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #  include <config.h>
  26 #endif
  27
  28 #include <gtk/gtk.h>
  29
  30 #include <lttv/lttv.h>
  31 #include <lttv/attribute.h>
  32 #include <lttv/hook.h>
  33 #include <lttv/option.h>
  34 #include <lttv/module.h>
  35 #include <lttv/tracecontext.h>
  36 #include <lttv/state.h>
  37 #include <lttv/stats.h>
  38 #include <lttvgui/menu.h>
  39 #include <lttvgui/toolbar.h>
  40
  41 #include "interface.h"
  42 #include "support.h"
  43 #include <lttvgui/mainwindow.h>
  44 #include "callbacks.h"
  45 #include <ltt/trace.h>
  46
  47
  48 /** Array containing instanced objects. */
  49 GSList * g_main_window_list = NULL ;
  50
  51 LttvHooks
  52   *main_hooks;
  53
  54 /* Initial trace from command line */
  55 LttvTrace *g_init_trace = NULL;
  56
  57 static char *a_trace;
  58
  59 void lttv_trace_option(void *hook_data)
  60 {
  61   LttTrace *trace;
  62
  63   trace = ltt_trace_open(a_trace);
  64   if(trace == NULL) g_critical("cannot open trace %s", a_trace);
  65   g_init_trace = lttv_trace_new(trace);
  66 }
  67
  68 /*****************************************************************************
  69  *                 Functions for module loading/unloading                    *
  70  *****************************************************************************/
  71 /**
  72  * plugin's init function
  73  *
  74  * This function initializes the GUI.
  75  */
  76
  77 static gboolean window_creation_hook(void *hook_data, void *call_data)
  78 {
  79   g_debug("GUI window_creation_hook()");
  80 #ifdef ENABLE_NLS
  81   bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
  82   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
  83   textdomain (GETTEXT_PACKAGE);
  84 #endif
  85
  86   gtk_set_locale ();
  87   gtk_init (&lttv_argc, &lttv_argv);
  88
  89   add_pixmap_directory (PACKAGE_DATA_DIR "/" PACKAGE "/pixmaps");
  90   add_pixmap_directory ("pixmaps");
  91   add_pixmap_directory ("../modules/gui/main/pixmaps");
  92
  93   construct_main_window(NULL);
  94
  95   gtk_main ();
  96
  97   return FALSE;
  98 }
  99
 100 static void init() {
 101
 102   LttvAttributeValue value;
 103
 104   // Global attributes only used for interaction with main() here.
 105   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 106
 107   g_debug("GUI init()");
 108
 109   lttv_option_add("trace", 't',
 110       "add a trace to the trace set to analyse",
 111       "pathname of the directory containing the trace",
 112       LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL);
 113
 114   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
 115       LTTV_POINTER, &value));
 116   g_assert((main_hooks = *(value.v_pointer)) != NULL);
 117
 118   lttv_hooks_add(main_hooks, window_creation_hook, NULL);
 119
 120 }
 121
 122 void
 123 main_window_free(MainWindow * mw)
 124 {
 125   if(mw){
 126     while(mw->tab){
 127       lttv_state_remove_event_hooks(
 128            (LttvTracesetState*)mw->tab->traceset_info->traceset_context);
 129       mw->tab = mw->tab->next;
 130     }
 131     g_object_unref(mw->attributes);
 132     g_main_window_list = g_slist_remove(g_main_window_list, mw);
 133
 134     g_hash_table_destroy(mw->hash_menu_item);
 135     g_hash_table_destroy(mw->hash_toolbar_item);
 136
 137     g_free(mw);
 138     mw = NULL;
 139   }
 140 }
 141
 142 void
 143 main_window_destructor(MainWindow * mw)
 144 {
 145   if(GTK_IS_WIDGET(mw->mwindow)){
 146     gtk_widget_destroy(mw->mwindow);
 147     //    gtk_widget_destroy(mw->HelpContents);
 148     //    gtk_widget_destroy(mw->AboutBox);
 149     mw = NULL;
 150   }
 151   //main_window_free called when the object mw in the widget is unref.
 152   //main_window_free(mw);
 153 }
 154
 155
 156 void main_window_destroy_walk(gpointer data, gpointer user_data)
 157 {
 158   main_window_destructor((MainWindow*)data);
 159 }
 160
 161
 162
 163 /**
 164  * plugin's destroy function
 165  *
 166  * This function releases the memory reserved by the module and unregisters
 167  * everything that has been registered in the gtkTraceSet API.
 168  */
 169 static void destroy() {
 170
 171   LttvAttributeValue value;
 172   LttvTrace *trace;
 173
 174   lttv_option_remove("trace");
 175
 176   lttv_hooks_remove_data(main_hooks, window_creation_hook, NULL);
 177
 178   g_debug("GUI destroy()");
 179
 180   if(g_main_window_list){
 181     g_slist_foreach(g_main_window_list, main_window_destroy_walk, NULL );
 182     g_slist_free(g_main_window_list);
 183   }
 184
 185 }
 186
 187
 188 LTTV_MODULE("mainwin", "Viewer main window", \
 189     "Viewer with multiple windows, tabs and panes for graphical modules", \
 190             init, destroy, "stats")