ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/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 #include <glib.h>
  30
  31 #include <lttv/lttv.h>
  32 #include <lttv/attribute.h>
  33 #include <lttv/hook.h>
  34 #include <lttv/option.h>
  35 #include <lttv/module.h>
  36 #include <lttv/tracecontext.h>
  37 #include <lttv/state.h>
  38 #include <lttv/stats.h>
  39 #include <lttvwindow/menu.h>
  40 #include <lttvwindow/toolbar.h>
  41 #include <lttvwindow/lttvwindowtraces.h>
  42
  43 #include "interface.h"
  44 #include "support.h"
  45 #include <lttvwindow/mainwindow.h>
  46 #include <lttvwindow/mainwindow-private.h>
  47 #include "callbacks.h"
  48 #include <ltt/trace.h>
  49
  50
  51 LttvTraceInfo LTTV_TRACES,
  52        LTTV_COMPUTATION,
  53        LTTV_REQUESTS_QUEUE,
  54        LTTV_REQUESTS_CURRENT,
  55        LTTV_NOTIFY_QUEUE,
  56        LTTV_NOTIFY_CURRENT;
  57
  58 /** Array containing instanced objects. */
  59 GSList * g_main_window_list = NULL ;
  60
  61 LttvHooks
  62   *main_hooks;
  63
  64 /* Initial trace from command line */
  65 LttvTrace *g_init_trace = NULL;
  66
  67 static char *a_trace;
  68
  69
  70 void lttv_trace_option(void *hook_data)
  71 {
  72   LttTrace *trace;
  73   gchar *abs_path;
  74
  75   get_absolute_pathname(a_trace, abs_path);
  76   g_init_trace = lttvwindowtraces_get_trace_by_name(abs_path);
  77   if(g_init_trace == NULL) {
  78     trace = ltt_trace_open(abs_path);
  79     if(trace == NULL) g_critical("cannot open trace %s", abs_path);
  80     g_init_trace = lttv_trace_new(trace);
  81     lttvwindowtraces_add_trace(g_init_trace);
  82   }
  83 }
  84
  85 /*****************************************************************************
  86  *                 Functions for module loading/unloading                    *
  87  *****************************************************************************/
  88 /**
  89  * plugin's init function
  90  *
  91  * This function initializes the GUI.
  92  */
  93
  94 static gboolean window_creation_hook(void *hook_data, void *call_data)
  95 {
  96   g_debug("GUI window_creation_hook()");
  97 #ifdef ENABLE_NLS
  98   bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
  99   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 100   textdomain (GETTEXT_PACKAGE);
 101 #endif
 102
 103   gtk_set_locale ();
 104   gtk_init (&lttv_argc, &lttv_argv);
 105
 106   add_pixmap_directory (PACKAGE_DATA_DIR "/" PACKAGE "/pixmaps");
 107   add_pixmap_directory ("pixmaps");
 108   add_pixmap_directory ("../modules/gui/main/pixmaps");
 109
 110   construct_main_window(NULL);
 111
 112   gtk_main ();
 113
 114   return FALSE;
 115 }
 116
 117 static void init() {
 118
 119   LttvAttributeValue value;
 120
 121   // Global attributes only used for interaction with main() here.
 122   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 123
 124   LTTV_TRACES = g_quark_from_string("traces");
 125   LTTV_COMPUTATION = g_quark_from_string("computation");
 126   LTTV_REQUESTS_QUEUE = g_quark_from_string("requests_queue");
 127   LTTV_REQUESTS_CURRENT = g_quark_from_string("requests_current");
 128   LTTV_NOTIFY_QUEUE = g_quark_from_string("notify_queue");
 129   LTTV_NOTIFY_CURRENT = g_quark_from_string("notify_current");
 130
 131   g_debug("GUI init()");
 132
 133   lttv_option_add("trace", 't',
 134       "add a trace to the trace set to analyse",
 135       "pathname of the directory containing the trace",
 136       LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL);
 137
 138   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
 139       LTTV_POINTER, &value));
 140   g_assert((main_hooks = *(value.v_pointer)) != NULL);
 141
 142   lttv_hooks_add(main_hooks, window_creation_hook, NULL, LTTV_PRIO_DEFAULT);
 143
 144 }
 145
 146 void
 147 main_window_destructor(MainWindow * mw)
 148 {
 149   g_assert(GTK_IS_WIDGET(mw->mwindow));
 150   gtk_widget_destroy(mw->mwindow);
 151 }
 152
 153
 154 /**
 155  * plugin's destroy function
 156  *
 157  * This function releases the memory reserved by the module and unregisters
 158  * everything that has been registered in the gtkTraceSet API.
 159  */
 160 static void destroy() {
 161
 162   LttvAttributeValue value;
 163   LttvTrace *trace;
 164   GSList *iter = NULL;
 165
 166   lttv_option_remove("trace");
 167
 168   lttv_hooks_remove_data(main_hooks, window_creation_hook, NULL);
 169
 170   g_debug("GUI destroy()");
 171
 172   if(g_main_window_list){
 173     for(iter=g_main_window_list;iter!=NULL;iter=g_slist_next(iter)) {
 174         main_window_destructor((MainWindow*)iter->data);
 175     }
 176     g_slist_free(g_main_window_list);
 177   }
 178
 179 }
 180
 181
 182 LTTV_MODULE("lttvwindow", "Viewer main window", \
 183     "Viewer with multiple windows, tabs and panes for graphical modules", \
 184             init, destroy, "stats", "option")