| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2005 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 <string.h> |
| 25 | #include <gtk/gtk.h> |
| 26 | #include <gdk/gdk.h> |
| 27 | #include <gdk/gdkkeysyms.h> |
| 28 | |
| 29 | #include <lttv/lttv.h> |
| 30 | #include <lttv/module.h> |
| 31 | #include <lttv/hook.h> |
| 32 | #include <lttv/filter.h> |
| 33 | |
| 34 | #include <lttvwindow/lttvwindow.h> |
| 35 | #include <lttvwindow/lttvwindowtraces.h> |
| 36 | |
| 37 | #include "hTraceControlInsert.xpm" |
| 38 | |
| 39 | |
| 40 | GSList *g_control_list = NULL ; |
| 41 | |
| 42 | /*! \file lttv/modules/gui/tracecontrol/tracecontrol.c |
| 43 | * \brief Graphic trace start/stop control interface. |
| 44 | * |
| 45 | * This plugin interacts with lttctl to start/stop tracing. It needs to take the |
| 46 | * root password to be able to interact with lttctl. |
| 47 | * |
| 48 | */ |
| 49 | |
| 50 | typedef struct _ControlData ControlData; |
| 51 | |
| 52 | /* |
| 53 | * Prototypes |
| 54 | */ |
| 55 | GtkWidget *guicontrol_get_widget(ControlData *tcd); |
| 56 | ControlData *gui_control(Tab *tab); |
| 57 | void gui_control_destructor(ControlData *tcd); |
| 58 | GtkWidget* h_guicontrol(Tab *tab); |
| 59 | void control_destroy_walk(gpointer data, gpointer user_data); |
| 60 | |
| 61 | /* |
| 62 | * Callback functions |
| 63 | */ |
| 64 | |
| 65 | |
| 66 | /** |
| 67 | * @struct _ControlData |
| 68 | * |
| 69 | * @brief Main structure of gui filter |
| 70 | * Main struct for the filter gui module |
| 71 | */ |
| 72 | struct _ControlData { |
| 73 | Tab *tab; /**< current tab of module */ |
| 74 | |
| 75 | GtkWidget *f_window; /**< filter window */ |
| 76 | |
| 77 | GtkWidget *f_main_box; /**< main container */ |
| 78 | |
| 79 | }; |
| 80 | |
| 81 | /** |
| 82 | * @fn GtkWidget* guicontrol_get_widget(ControlData*) |
| 83 | * |
| 84 | * This function returns the current main widget |
| 85 | * used by this module |
| 86 | * @param tcd the module struct |
| 87 | * @return The main widget |
| 88 | */ |
| 89 | GtkWidget* |
| 90 | guicontrol_get_widget(ControlData *tcd) |
| 91 | { |
| 92 | return tcd->f_window; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * @fn ControlData* gui_control(Tab*) |
| 97 | * |
| 98 | * Constructor is used to create ControlData data structure. |
| 99 | * @param tab The tab structure used by the widget |
| 100 | * @return The Filter viewer data created. |
| 101 | */ |
| 102 | ControlData* |
| 103 | gui_control(Tab *tab) |
| 104 | { |
| 105 | g_debug("filter::gui_control()"); |
| 106 | |
| 107 | unsigned i; |
| 108 | GtkCellRenderer *renderer; |
| 109 | GtkTreeViewColumn *column; |
| 110 | |
| 111 | ControlData* tcd = g_new(ControlData,1); |
| 112 | |
| 113 | tcd->tab = tab; |
| 114 | |
| 115 | tcd->f_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 116 | gtk_window_set_title(GTK_WINDOW(tcd->f_window), "LTTng Trace Control"); |
| 117 | /* |
| 118 | * Initiating GtkTable layout |
| 119 | * starts with 2 rows and 5 columns and |
| 120 | * expands when expressions added |
| 121 | */ |
| 122 | tcd->f_main_box = gtk_table_new(13,2,FALSE); |
| 123 | gtk_table_set_row_spacings(GTK_TABLE(tcd->f_main_box),5); |
| 124 | gtk_table_set_col_spacings(GTK_TABLE(tcd->f_main_box),5); |
| 125 | |
| 126 | gtk_container_add(GTK_CONTAINER(tcd->f_window), GTK_WIDGET(tcd->f_main_box)); |
| 127 | |
| 128 | /* |
| 129 | * First half of the filter window |
| 130 | * - textual entry of filter expression |
| 131 | * - processing button |
| 132 | */ |
| 133 | GtkWidget *username_label = gtk_label_new("Username:"); |
| 134 | gtk_widget_show (username_label); |
| 135 | GtkWidget *username_entry = gtk_entry_new(); |
| 136 | gtk_entry_set_text(GTK_ENTRY(username_entry),"root"); |
| 137 | |
| 138 | gtk_widget_show (username_entry); |
| 139 | |
| 140 | gtk_table_attach( GTK_TABLE(tcd->f_main_box),username_label,0,6,0,1,GTK_FILL,GTK_FILL,0,0); |
| 141 | gtk_table_attach( GTK_TABLE(tcd->f_main_box),username_entry,6,7,0,1,GTK_FILL,GTK_FILL,0,0); |
| 142 | |
| 143 | |
| 144 | /* |
| 145 | * show main container |
| 146 | */ |
| 147 | gtk_widget_show(tcd->f_main_box); |
| 148 | gtk_widget_show(tcd->f_window); |
| 149 | |
| 150 | |
| 151 | g_object_set_data_full( |
| 152 | G_OBJECT(guifilter_get_widget(tcd)), |
| 153 | "filter_viewer_data", |
| 154 | tcd, |
| 155 | (GDestroyNotify)gui_control_destructor); |
| 156 | |
| 157 | g_control_list = g_slist_append( |
| 158 | g_control_list, |
| 159 | tcd); |
| 160 | |
| 161 | return tcd; |
| 162 | } |
| 163 | |
| 164 | |
| 165 | /** |
| 166 | * @fn void gui_control_destructor(ControlData*) |
| 167 | * |
| 168 | * Destructor for the filter gui module |
| 169 | * @param tcd The module structure |
| 170 | */ |
| 171 | void |
| 172 | gui_control_destructor(ControlData *tcd) |
| 173 | { |
| 174 | Tab *tab = tcd->tab; |
| 175 | |
| 176 | /* May already been done by GTK window closing */ |
| 177 | if(GTK_IS_WIDGET(guifilter_get_widget(tcd))){ |
| 178 | g_info("widget still exists"); |
| 179 | } |
| 180 | // if(tab != NULL) { |
| 181 | // lttvwindow_unregister_traceset_notify(tcd->tab, |
| 182 | // filter_traceset_changed, |
| 183 | // filter_viewer_data); |
| 184 | // } |
| 185 | lttvwindowtraces_background_notify_remove(tcd); |
| 186 | |
| 187 | g_control_list = g_slist_remove(g_control_list, tcd); |
| 188 | |
| 189 | g_free(tcd); |
| 190 | } |
| 191 | |
| 192 | |
| 193 | /** |
| 194 | * @fn GtkWidget* h_guicontrol(Tab*) |
| 195 | * |
| 196 | * Control Module's constructor hook |
| 197 | * |
| 198 | * This constructor is given as a parameter to the menuitem and toolbar button |
| 199 | * registration. It creates the list. |
| 200 | * @param tab A pointer to the parent window. |
| 201 | * @return The widget created. |
| 202 | */ |
| 203 | GtkWidget * |
| 204 | h_guicontrol(Tab *tab) |
| 205 | { |
| 206 | ControlData* f = gui_control(tab) ; |
| 207 | |
| 208 | return NULL; |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * @fn static void init() |
| 213 | * |
| 214 | * This function initializes the Filter Viewer functionnality through the |
| 215 | * gtkTraceSet API. |
| 216 | */ |
| 217 | static void init() { |
| 218 | |
| 219 | lttvwindow_register_constructor("guicontrol", |
| 220 | "/", |
| 221 | "Insert Tracing Control Module", |
| 222 | hTraceControlInsert_xpm, |
| 223 | "Insert Tracing Control Module", |
| 224 | h_guicontrol); |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * @fn void control_destroy_walk(gpointer,gpointer) |
| 229 | * |
| 230 | * Initiate the destruction of the current gui module |
| 231 | * on the GTK Interface |
| 232 | */ |
| 233 | void |
| 234 | control_destroy_walk(gpointer data, gpointer user_data) |
| 235 | { |
| 236 | ControlData *tcd = (ControlData*)data; |
| 237 | |
| 238 | g_debug("traceontrol.c : control_destroy_walk, %p", tcd); |
| 239 | |
| 240 | /* May already have been done by GTK window closing */ |
| 241 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))) |
| 242 | gtk_widget_destroy(guicontrol_get_widget(tcd)); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * @fn static void destroy() |
| 247 | * @brief plugin's destroy function |
| 248 | * |
| 249 | * This function releases the memory reserved by the module and unregisters |
| 250 | * everything that has been registered in the gtkTraceSet API. |
| 251 | */ |
| 252 | static void destroy() { |
| 253 | |
| 254 | g_slist_foreach(g_control_list, control_destroy_walk, NULL ); |
| 255 | |
| 256 | lttvwindow_unregister_constructor(h_guicontrol); |
| 257 | |
| 258 | } |
| 259 | |
| 260 | |
| 261 | LTTV_MODULE("guitracecontrol", "Trace Control Window", \ |
| 262 | "Graphical module that let user control kernel tracing", \ |
| 263 | init, destroy, "lttvwindow") |
| 264 | |