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