ltt/branches/poly/lttv/modules/gui/filter/filter.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Simon Bouvier-Zappa
   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 #include <glib.h>
  20 #include <string.h>
  21 #include <gtk/gtk.h>
  22 #include <gdk/gdk.h>
  23
  24 #include <lttv/lttv.h>
  25 #include <lttv/module.h>
  26 #include <lttv/hook.h>
  27 #include <lttv/filter.h>
  28
  29 #include <lttvwindow/lttvwindow.h>
  30 #include <lttvwindow/lttvwindowtraces.h>
  31
  32 #include "hGuiFilterInsert.xpm"
  33
  34 typedef struct _FilterViewerData FilterViewerData;
  35
  36 GtkWidget *guifilter_get_widget(FilterViewerData *fvd);
  37 FilterViewerData *gui_filter(Tab *tab);
  38 void gui_filter_destructor(FilterViewerData *fvd);
  39 gboolean filter_traceset_changed(void * hook_data, void * call_data);
  40 gboolean filter_viewer_data(void * hook_data, void * call_data);
  41 GtkWidget* h_guifilter(Tab *tab);
  42 void statistic_destroy_walk(gpointer data, gpointer user_data);
  43
  44 struct _FilterViewerData {
  45   Tab *tab;
  46
  47   // temp widget -- still thinking about a formal structure
  48   GtkWidget *hbox;
  49   GtkWidget *f_textwnd;
  50   GtkWidget *f_selectwnd;
  51   GtkWidget *f_treewnd;
  52
  53 };
  54
  55 GtkWidget
  56 *guifilter_get_widget(FilterViewerData *fvd)
  57 {
  58   return fvd->hbox;
  59 }
  60
  61 /**
  62  * Statistic Viewer's constructor
  63  *
  64  * This constructor is used to create StatisticViewerData data structure.
  65  * @return The Statistic viewer data created.
  66  */
  67 FilterViewerData*
  68 gui_filter(Tab *tab)
  69 {
  70   GtkCellRenderer *renderer;
  71   GtkTreeViewColumn *column;
  72
  73   FilterViewerData* fvd = g_new(FilterViewerData,1);
  74
  75   fvd->tab  = tab;
  76
  77   lttvwindow_register_traceset_notify(fvd->tab,
  78                                       filter_traceset_changed,
  79                                       filter_viewer_data);
  80 //  request_background_data(filter_viewer_data);
  81
  82   fvd->f_textwnd = gtk_entry_new(); //gtk_scrolled_window_new (NULL, NULL);
  83   gtk_entry_set_text(fvd->f_textwnd,"this is a test");
  84   gtk_widget_show (fvd->f_textwnd);
  85
  86   fvd->hbox = gtk_hbox_new(0, 0);
  87   gtk_box_pack_start(GTK_BOX(fvd->hbox), fvd->f_textwnd, TRUE, TRUE, 0);
  88
  89   gtk_widget_show(fvd->hbox);
  90
  91   g_object_set_data_full(
  92       G_OBJECT(guifilter_get_widget(fvd)),
  93       "filter_viewer_data",
  94       fvd,
  95       (GDestroyNotify)gui_filter_destructor);
  96
  97   return fvd;
  98 }
  99
 100 void
 101 gui_filter_destructor(FilterViewerData *fvd)
 102 {
 103   Tab *tab = fvd->tab;
 104
 105   /* May already been done by GTK window closing */
 106   if(GTK_IS_WIDGET(guifilter_get_widget(fvd))){
 107     g_info("widget still exists");
 108   }
 109   if(tab != NULL) {
 110     lttvwindow_unregister_traceset_notify(fvd->tab,
 111                                           filter_traceset_changed,
 112                                           filter_viewer_data);
 113   }
 114   lttvwindowtraces_background_notify_remove(fvd);
 115
 116   g_free(fvd);
 117 }
 118
 119 gboolean
 120 filter_traceset_changed(void * hook_data, void * call_data) {
 121
 122   return FALSE;
 123 }
 124
 125 gboolean
 126 filter_viewer_data(void * hook_data, void * call_data) {
 127
 128   return FALSE;
 129 }
 130
 131 /**
 132  * Filter Module's constructor hook
 133  *
 134  * This constructor is given as a parameter to the menuitem and toolbar button
 135  * registration. It creates the list.
 136  * @param parent_window A pointer to the parent window.
 137  * @return The widget created.
 138  */
 139 GtkWidget *
 140 h_guifilter(Tab *tab)
 141 {
 142   FilterViewerData* f = gui_filter(tab) ;
 143
 144   g_print("FilterViewerData:%p\n",f);
 145   if(f)
 146     return guifilter_get_widget(f);
 147   else return NULL;
 148
 149 }
 150
 151
 152
 153 /**
 154  * plugin's init function
 155  *
 156  * This function initializes the Statistic Viewer functionnality through the
 157  * gtkTraceSet API.
 158  */
 159 static void init() {
 160
 161   lttvwindow_register_constructor("guifilter",
 162                                   "/",
 163                                   "Insert Filter Module",
 164                                   hGuiFilterInsert_xpm,
 165                                   "Insert Filter Module",
 166                                   h_guifilter);
 167 }
 168
 169 void filter_destroy_walk(gpointer data, gpointer user_data)
 170 {
 171   FilterViewerData *fvd = (FilterViewerData*)data;
 172
 173   g_debug("CFV.c : statistic_destroy_walk, %p", fvd);
 174   /* May already have been done by GTK window closing */
 175   if(GTK_IS_WIDGET(guifilter_get_widget(fvd)))
 176     gtk_widget_destroy(guifilter_get_widget(fvd));
 177 }
 178
 179 /**
 180  * plugin's destroy function
 181  *
 182  * This function releases the memory reserved by the module and unregisters
 183  * everything that has been registered in the gtkTraceSet API.
 184  */
 185 static void destroy() {
 186
 187   lttvwindow_unregister_constructor(h_guifilter);
 188
 189 }
 190
 191
 192 LTTV_MODULE("guifilter", "Filter window", \
 193     "Graphical module that let user specify their filtering options", \
 194     init, destroy, "lttvwindow")
 195