src/ui.c

   1 /*
   2     Copyright (C) 2010-2011 jeanfi@gmail.com
   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 as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU 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
  20 #include "cfg.h"
  21 #include "ui.h"
  22 #include "ui_graph.h"
  23 #include "ui_pref.h"
  24 #include "ui_sensorpref.h"
  25 #include "ui_sensorlist.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_printf(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_printf(LOG_DEBUG,
  44                            "Window position: %d %d",
  45                            cfg->window_x,
  46                            cfg->window_y);
  47
  48                 gtk_window_get_size(win,
  49                                     &cfg->window_w,
  50                                     &cfg->window_h);
  51                 log_printf(LOG_DEBUG,
  52                            "Window size: %d %d",
  53                            cfg->window_w,
  54                            cfg->window_h);
  55
  56                 cfg->window_divider_pos
  57                         = gtk_paned_get_position(GTK_PANED(ui->sensor_box));
  58
  59                 config_save(cfg);
  60         }
  61 }
  62
  63 static gboolean
  64 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
  65 {
  66         struct ui_psensor *ui = data;
  67
  68         save_window_pos(ui);
  69
  70 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
  71         if (is_appindicator_supported()) {
  72                 log_printf(LOG_DEBUG, "hiding, WM is supporting appindicator");
  73                 gtk_widget_hide(ui->main_window);
  74         } else {
  75                 log_printf(LOG_DEBUG,
  76                            "quitting, WM not supporting appindicator");
  77                 ui_psensor_quit(ui);
  78         }
  79 #else
  80         ui_psensor_quit(ui);
  81 #endif
  82
  83         return TRUE;
  84 }
  85
  86 void ui_show_about_dialog()
  87 {
  88         gtk_show_about_dialog(NULL,
  89                               "comments",
  90                               _("Psensor is a GTK+ application for monitoring "
  91                                 "hardware sensors"),
  92                               "copyright",
  93                               _("Copyright(c) 2010-2011\njeanfi@gmail.com"),
  94                               "logo-icon-name", "psensor",
  95                               "program-name", "Psensor",
  96                               "title", _("About Psensor"),
  97                               "version", VERSION,
  98                               "website", PACKAGE_URL,
  99                               "website-label", _("Psensor Homepage"),
 100                               NULL);
 101 }
 102
 103 static void cb_about(GtkMenuItem *mi, gpointer data)
 104 {
 105         ui_show_about_dialog();
 106 }
 107
 108 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
 109 {
 110         ui_psensor_quit((struct ui_psensor *)data);
 111 }
 112
 113 static void cb_preferences(GtkMenuItem *mi, gpointer data)
 114 {
 115         ui_pref_dialog_run((struct ui_psensor *)data);
 116 }
 117
 118 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 119 {
 120         struct ui_psensor *ui = data;
 121
 122         if (ui->sensors && *ui->sensors)
 123                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 124 }
 125
 126 void ui_psensor_quit(struct ui_psensor *ui)
 127 {
 128         save_window_pos(ui);
 129
 130         log_printf(LOG_DEBUG, "Destroy main window");
 131         gtk_widget_destroy(ui->main_window);
 132         gtk_main_quit();
 133 }
 134
 135 static const char *menu_desc =
 136 "<ui>"
 137 "  <menubar name='MainMenu'>"
 138 "    <menu name='Psensor' action='PsensorMenuAction'>"
 139 "      <menuitem name='Preferences' action='PreferencesAction' />"
 140 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
 141 "      <separator />"
 142 "      <menuitem name='Quit' action='QuitAction' />"
 143 "    </menu>"
 144 "    <menu name='Help' action='HelpMenuAction'>"
 145 "      <menuitem name='About' action='AboutAction' />"
 146 "    </menu>"
 147 "  </menubar>"
 148 "</ui>";
 149
 150 static GtkActionEntry entries[] = {
 151   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
 152
 153   { "PreferencesAction", GTK_STOCK_PREFERENCES,   /* name, stock id */
 154     N_("_Preferences"), NULL,                     /* label, accelerator */
 155     N_("Preferences"),                            /* tooltip */
 156     G_CALLBACK(cb_preferences) },
 157
 158   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
 159     N_("_Sensor Preferences"), NULL,
 160     N_("Sensor Preferences"),
 161     G_CALLBACK(cb_sensor_preferences) },
 162
 163   { "QuitAction",
 164     GTK_STOCK_QUIT, N_("_Quit"), NULL, N_("Quit"), G_CALLBACK(cb_menu_quit) },
 165
 166   { "HelpMenuAction", NULL, "_Help" },
 167
 168   { "AboutAction", GTK_STOCK_PREFERENCES,
 169     N_("_About"), NULL,
 170     N_("About"),
 171     G_CALLBACK(cb_about) }
 172 };
 173 static guint n_entries = G_N_ELEMENTS(entries);
 174
 175 static GtkWidget *get_menu(struct ui_psensor *ui)
 176 {
 177         GtkActionGroup      *action_group;
 178         GtkUIManager        *menu_manager;
 179         GError              *error;
 180
 181         action_group = gtk_action_group_new("PsensorActions");
 182         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 183         menu_manager = gtk_ui_manager_new();
 184
 185         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 186         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 187
 188         error = NULL;
 189         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 190
 191         if (error)
 192                 g_error(_("building menus failed: %s"), error->message);
 193
 194         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 195 }
 196
 197 static unsigned int enable_alpha_channel(GtkWidget *w)
 198 {
 199         GdkScreen *screen = gtk_widget_get_screen(w);
 200
 201 #if (GTK_CHECK_VERSION(3, 0, 0))
 202         GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
 203
 204         if (visual) {
 205                 gtk_widget_set_visual(w, visual);
 206                 return 1;
 207         }
 208 #else
 209         GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
 210
 211         if (colormap) {
 212                 gtk_widget_set_colormap(w, colormap);
 213                 return 1;
 214         }
 215 #endif
 216         return 0;
 217 }
 218
 219 void ui_window_create(struct ui_psensor *ui)
 220 {
 221         GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 222         GdkScreen *screen;
 223         GdkPixbuf *icon;
 224         GtkIconTheme *icon_theme;
 225         GtkWidget *menubar;
 226         struct config *cfg;
 227
 228         cfg = ui->config;
 229         if (cfg->window_restore_enabled)
 230                 gtk_window_move(GTK_WINDOW(window),
 231                                 cfg->window_x,
 232                                 cfg->window_y);
 233
 234         gtk_window_set_default_size(GTK_WINDOW(window),
 235                                     cfg->window_w,
 236                                     cfg->window_h);
 237
 238
 239         gtk_window_set_title(GTK_WINDOW(window),
 240                              _("Psensor - Temperature Monitor"));
 241         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 242
 243         screen = gtk_widget_get_screen(window);
 244
 245         if (ui->config->alpha_channel_enabled
 246             && gdk_screen_is_composited(screen)) {
 247                 if (!enable_alpha_channel(window))
 248                         ui->config->alpha_channel_enabled = 0;
 249         } else {
 250                 ui->config->alpha_channel_enabled = 0;
 251         }
 252
 253         icon_theme = gtk_icon_theme_get_default();
 254         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 255         if (icon)
 256                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 257         else
 258                 fprintf(stderr, _("ERROR: Failed to load psensor icon.\n"));
 259
 260         g_signal_connect(window,
 261                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 262
 263         gtk_window_set_decorated(GTK_WINDOW(window),
 264                                  ui->config->window_decoration_enabled);
 265
 266         gtk_window_set_keep_below(GTK_WINDOW(window),
 267                                   ui->config->window_keep_below_enabled);
 268
 269         /* main box */
 270         menubar = get_menu(ui);
 271
 272         ui->main_box = gtk_vbox_new(FALSE, 1);
 273
 274         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 275                            FALSE, TRUE, 0);
 276
 277         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 278
 279         ui->main_window = window;
 280         ui->menu_bar = menubar;
 281
 282 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
 283         if (ui->config->hide_on_startup)
 284                 gtk_widget_show_all(ui->main_box);
 285         else
 286                 ui_window_show(ui);
 287 #else
 288         ui_window_show(ui);
 289 #endif
 290 }
 291
 292 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 293 {
 294         if (show)
 295                 gtk_widget_show(ui->menu_bar);
 296         else
 297                 gtk_widget_hide(ui->menu_bar);
 298 }
 299
 300 void ui_window_update(struct ui_psensor *ui)
 301 {
 302         struct config *cfg;
 303         int init = 1;
 304
 305         cfg = ui->config;
 306
 307         if (ui->sensor_box) {
 308                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 309
 310                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 311                                      ui->ui_sensorlist->widget);
 312
 313                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 314                                      ui->sensor_box);
 315
 316                 ui->w_graph = ui_graph_create(ui);
 317
 318                 init = 0;
 319         }
 320
 321         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 322             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 323                 ui->sensor_box = gtk_hpaned_new();
 324         else
 325                 ui->sensor_box = gtk_vpaned_new();
 326
 327         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 328
 329         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 330             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 331                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 332                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 333                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 334                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 335         } else {
 336                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 337                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 338                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 339                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 340         }
 341
 342         if (cfg->window_restore_enabled)
 343                 gtk_paned_set_position(GTK_PANED(ui->sensor_box),
 344                                        ui->config->window_divider_pos);
 345
 346
 347         if (!init)
 348                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 349
 350         gtk_widget_show_all(ui->sensor_box);
 351
 352         if (cfg->menu_bar_disabled)
 353                 menu_bar_show(0, ui);
 354         else
 355                 menu_bar_show(1, ui);
 356 }
 357
 358 void ui_window_show(struct ui_psensor *ui)
 359 {
 360         gtk_widget_show_all(ui->main_window);
 361
 362 }