src/ui.c

   1 /*
   2  * Copyright (C) 2010-2012 jeanfi@gmail.com
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  */
  19 #include "cfg.h"
  20 #include "ui.h"
  21 #include "ui_graph.h"
  22 #include "ui_pref.h"
  23 #include "ui_sensorpref.h"
  24 #include "ui_sensorlist.h"
  25 #include "ui_status.h"
  26 #include "ui_appindicator.h"
  27
  28 static void save_window_pos(struct ui_psensor *ui)
  29 {
  30         gboolean visible;
  31         GtkWindow *win;
  32         struct config *cfg;
  33
  34         visible = gtk_widget_get_visible(ui->main_window);
  35         log_debug("Window visible: %d", visible);
  36
  37         if (visible == TRUE) {
  38                 cfg = ui->config;
  39
  40                 win = GTK_WINDOW(ui->main_window);
  41
  42                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
  43                 log_debug("Window position: %d %d",
  44                           cfg->window_x,
  45                           cfg->window_y);
  46
  47                 gtk_window_get_size(win,
  48                                     &cfg->window_w,
  49                                     &cfg->window_h);
  50                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
  51
  52                 cfg->window_divider_pos
  53                         = gtk_paned_get_position(GTK_PANED(ui->sensor_box));
  54
  55                 config_save(cfg);
  56         }
  57 }
  58
  59 static gboolean
  60 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
  61 {
  62         struct ui_psensor *ui = data;
  63
  64         save_window_pos(ui);
  65
  66         log_debug("is_status_supported: %d\n", is_status_supported());
  67
  68         if (is_appindicator_supported() || is_status_supported())
  69                 gtk_widget_hide(ui->main_window);
  70         else
  71                 ui_psensor_quit(ui);
  72
  73         return TRUE;
  74 }
  75
  76 void ui_show_about_dialog()
  77 {
  78         gtk_show_about_dialog
  79                 (NULL,
  80                  "comments",
  81                  _("Psensor is a GTK+ application for monitoring hardware "
  82                    "sensors"),
  83                  "copyright",
  84                  _("Copyright(c) 2010-2012\njeanfi@gmail.com"),
  85                  "logo-icon-name", "psensor",
  86                  "program-name", "Psensor",
  87                  "title", _("About Psensor"),
  88                  "version", VERSION,
  89                  "website", PACKAGE_URL,
  90                  "website-label", _("Psensor Homepage"),
  91                  NULL);
  92 }
  93
  94 static void cb_about(GtkMenuItem *mi, gpointer data)
  95 {
  96         ui_show_about_dialog();
  97 }
  98
  99 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
 100 {
 101         ui_psensor_quit((struct ui_psensor *)data);
 102 }
 103
 104 static void cb_preferences(GtkMenuItem *mi, gpointer data)
 105 {
 106         ui_pref_dialog_run((struct ui_psensor *)data);
 107 }
 108
 109 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 110 {
 111         struct ui_psensor *ui = data;
 112
 113         if (ui->sensors && *ui->sensors)
 114                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 115 }
 116
 117 void ui_psensor_quit(struct ui_psensor *ui)
 118 {
 119         save_window_pos(ui);
 120
 121         log_debug("Destroy main window");
 122         gtk_widget_destroy(ui->main_window);
 123         gtk_main_quit();
 124 }
 125
 126 static const char *menu_desc =
 127 "<ui>"
 128 "  <menubar name='MainMenu'>"
 129 "    <menu name='Psensor' action='PsensorMenuAction'>"
 130 "      <menuitem name='Preferences' action='PreferencesAction' />"
 131 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
 132 "      <separator />"
 133 "      <menuitem name='Quit' action='QuitAction' />"
 134 "    </menu>"
 135 "    <menu name='Help' action='HelpMenuAction'>"
 136 "      <menuitem name='About' action='AboutAction' />"
 137 "    </menu>"
 138 "  </menubar>"
 139 "</ui>";
 140
 141 static GtkActionEntry entries[] = {
 142         { "PsensorMenuAction", NULL, "_Psensor" },
 143
 144         { "PreferencesAction", GTK_STOCK_PREFERENCES,
 145           N_("_Preferences"), NULL,
 146           N_("Preferences"),
 147           G_CALLBACK(cb_preferences) },
 148
 149         { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
 150           N_("S_ensor Preferences"), NULL,
 151           N_("Sensor Preferences"),
 152           G_CALLBACK(cb_sensor_preferences) },
 153
 154         { "QuitAction",
 155           GTK_STOCK_QUIT, N_("_Quit"), NULL, N_("Quit"),
 156           G_CALLBACK(cb_menu_quit) },
 157
 158         { "HelpMenuAction", NULL, N_("_Help") },
 159
 160         { "AboutAction", GTK_STOCK_PREFERENCES,
 161           N_("_About"), NULL,
 162           N_("About"),
 163           G_CALLBACK(cb_about) }
 164 };
 165 static guint n_entries = G_N_ELEMENTS(entries);
 166
 167 static GtkWidget *get_menu(struct ui_psensor *ui)
 168 {
 169         GtkActionGroup *action_group;
 170         GtkUIManager *menu_manager;
 171         GError *error;
 172
 173         action_group = gtk_action_group_new("PsensorActions");
 174         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 175         menu_manager = gtk_ui_manager_new();
 176
 177         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 178         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 179
 180         error = NULL;
 181         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 182
 183         if (error)
 184                 g_error(_("building menus failed: %s"), error->message);
 185
 186         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 187 }
 188
 189 void ui_enable_alpha_channel(struct ui_psensor *ui)
 190 {
 191         GdkScreen *screen;
 192         GdkVisual *visual;
 193         struct config *cfg;
 194
 195         cfg = ui->config;
 196
 197         screen = gtk_widget_get_screen(ui->main_window);
 198
 199         log_debug("Config alpha channel enabled: %d",
 200                   cfg->alpha_channel_enabled);
 201         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 202                 log_debug("Screen is composited");
 203                 visual = gdk_screen_get_rgba_visual(screen);
 204                 if (visual) {
 205                         gtk_widget_set_visual(ui->main_window, visual);
 206                 } else {
 207                         cfg->alpha_channel_enabled = 0;
 208                         log_err("Enable alpha channel has failed");
 209                 }
 210         } else {
 211                 cfg->alpha_channel_enabled = 0;
 212         }
 213
 214 }
 215
 216 void ui_window_create(struct ui_psensor *ui)
 217 {
 218         GtkWidget *window, *menubar;
 219         GdkPixbuf *icon;
 220         GtkIconTheme *icon_theme;
 221         struct config *cfg;
 222
 223         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 224
 225         cfg = ui->config;
 226         if (cfg->window_restore_enabled)
 227                 gtk_window_move(GTK_WINDOW(window),
 228                                 cfg->window_x,
 229                                 cfg->window_y);
 230
 231         gtk_window_set_default_size(GTK_WINDOW(window),
 232                                     cfg->window_w,
 233                                     cfg->window_h);
 234
 235         gtk_window_set_title(GTK_WINDOW(window),
 236                              _("Psensor - Temperature Monitor"));
 237         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 238
 239         icon_theme = gtk_icon_theme_get_default();
 240         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 241         if (icon)
 242                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 243         else
 244                 log_err(_("Failed to load Psensor icon."));
 245
 246         g_signal_connect(window,
 247                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 248
 249         gtk_window_set_decorated(GTK_WINDOW(window),
 250                                  cfg->window_decoration_enabled);
 251
 252         gtk_window_set_keep_below(GTK_WINDOW(window),
 253                                   cfg->window_keep_below_enabled);
 254
 255         /* main box */
 256         menubar = get_menu(ui);
 257
 258         ui->main_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 1);
 259         gtk_box_set_homogeneous(GTK_BOX(ui->main_box), FALSE);
 260         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 261                            FALSE, TRUE, 0);
 262
 263         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 264
 265         ui->main_window = window;
 266         ui->menu_bar = menubar;
 267
 268         gtk_widget_show_all(ui->main_box);
 269 }
 270
 271 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 272 {
 273         if (show)
 274                 gtk_widget_show(ui->menu_bar);
 275         else
 276                 gtk_widget_hide(ui->menu_bar);
 277 }
 278
 279 void ui_window_update(struct ui_psensor *ui)
 280 {
 281         struct config *cfg;
 282         int init = 1;
 283
 284         cfg = ui->config;
 285
 286         if (ui->sensor_box) {
 287                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 288
 289                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 290                                      ui->ui_sensorlist->widget);
 291
 292                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 293                                      ui->sensor_box);
 294
 295                 ui->w_graph = ui_graph_create(ui);
 296
 297                 init = 0;
 298         }
 299
 300         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 301             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 302                 ui->sensor_box = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
 303         else
 304                 ui->sensor_box = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
 305
 306         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 307
 308         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 309             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 310                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 311                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 312                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 313                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 314         } else {
 315                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 316                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 317                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 318                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 319         }
 320
 321         if (cfg->window_restore_enabled)
 322                 gtk_paned_set_position(GTK_PANED(ui->sensor_box),
 323                                        ui->config->window_divider_pos);
 324
 325         if (!init)
 326                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 327
 328         gtk_widget_show_all(ui->sensor_box);
 329
 330         if (cfg->menu_bar_disabled)
 331                 menu_bar_show(0, ui);
 332         else
 333                 menu_bar_show(1, ui);
 334 }
 335
 336 void ui_window_show(struct ui_psensor *ui)
 337 {
 338         log_debug("ui_window_show()");
 339         gtk_window_present(GTK_WINDOW(ui->main_window));
 340 }