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
   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(NULL,
  79                               "comments",
  80                               _("Psensor is a GTK+ application for monitoring "
  81                                 "hardware sensors"),
  82                               "copyright",
  83                               _("Copyright(c) 2010-2011\njeanfi@gmail.com"),
  84                               "logo-icon-name", "psensor",
  85                               "program-name", "Psensor",
  86                               "title", _("About Psensor"),
  87                               "version", VERSION,
  88                               "website", PACKAGE_URL,
  89                               "website-label", _("Psensor Homepage"),
  90                               NULL);
  91 }
  92
  93 static void cb_about(GtkMenuItem *mi, gpointer data)
  94 {
  95         ui_show_about_dialog();
  96 }
  97
  98 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
  99 {
 100         ui_psensor_quit((struct ui_psensor *)data);
 101 }
 102
 103 static void cb_preferences(GtkMenuItem *mi, gpointer data)
 104 {
 105         ui_pref_dialog_run((struct ui_psensor *)data);
 106 }
 107
 108 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 109 {
 110         struct ui_psensor *ui = data;
 111
 112         if (ui->sensors && *ui->sensors)
 113                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 114 }
 115
 116 void ui_psensor_quit(struct ui_psensor *ui)
 117 {
 118         save_window_pos(ui);
 119
 120         log_debug("Destroy main window");
 121         gtk_widget_destroy(ui->main_window);
 122         gtk_main_quit();
 123 }
 124
 125 static const char *menu_desc =
 126 "<ui>"
 127 "  <menubar name='MainMenu'>"
 128 "    <menu name='Psensor' action='PsensorMenuAction'>"
 129 "      <menuitem name='Preferences' action='PreferencesAction' />"
 130 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
 131 "      <separator />"
 132 "      <menuitem name='Quit' action='QuitAction' />"
 133 "    </menu>"
 134 "    <menu name='Help' action='HelpMenuAction'>"
 135 "      <menuitem name='About' action='AboutAction' />"
 136 "    </menu>"
 137 "  </menubar>"
 138 "</ui>";
 139
 140 static GtkActionEntry entries[] = {
 141   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
 142
 143   { "PreferencesAction", GTK_STOCK_PREFERENCES,   /* name, stock id */
 144     N_("_Preferences"), NULL,                     /* label, accelerator */
 145     N_("Preferences"),                            /* tooltip */
 146     G_CALLBACK(cb_preferences) },
 147
 148   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
 149     N_("_Sensor Preferences"), NULL,
 150     N_("Sensor Preferences"),
 151     G_CALLBACK(cb_sensor_preferences) },
 152
 153   { "QuitAction",
 154     GTK_STOCK_QUIT, N_("_Quit"), NULL, N_("Quit"), G_CALLBACK(cb_menu_quit) },
 155
 156   { "HelpMenuAction", NULL, "_Help" },
 157
 158   { "AboutAction", GTK_STOCK_PREFERENCES,
 159     N_("_About"), NULL,
 160     N_("About"),
 161     G_CALLBACK(cb_about) }
 162 };
 163 static guint n_entries = G_N_ELEMENTS(entries);
 164
 165 static GtkWidget *get_menu(struct ui_psensor *ui)
 166 {
 167         GtkActionGroup      *action_group;
 168         GtkUIManager        *menu_manager;
 169         GError              *error;
 170
 171         action_group = gtk_action_group_new("PsensorActions");
 172         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 173         menu_manager = gtk_ui_manager_new();
 174
 175         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 176         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 177
 178         error = NULL;
 179         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 180
 181         if (error)
 182                 g_error(_("building menus failed: %s"), error->message);
 183
 184         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 185 }
 186
 187 static unsigned int enable_alpha_channel(GtkWidget *w)
 188 {
 189         GdkScreen *screen = gtk_widget_get_screen(w);
 190
 191 #if (GTK_CHECK_VERSION(3, 0, 0))
 192         GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
 193
 194         if (visual) {
 195                 gtk_widget_set_visual(w, visual);
 196                 return 1;
 197         }
 198 #else
 199         GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
 200
 201         if (colormap) {
 202                 gtk_widget_set_colormap(w, colormap);
 203                 return 1;
 204         }
 205 #endif
 206         return 0;
 207 }
 208
 209 void ui_window_create(struct ui_psensor *ui)
 210 {
 211         GtkWidget *window, *menubar;
 212         GdkScreen *screen;
 213         GdkPixbuf *icon;
 214         GtkIconTheme *icon_theme;
 215         struct config *cfg;
 216
 217         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 218
 219         cfg = ui->config;
 220         if (cfg->window_restore_enabled)
 221                 gtk_window_move(GTK_WINDOW(window),
 222                                 cfg->window_x,
 223                                 cfg->window_y);
 224
 225         gtk_window_set_default_size(GTK_WINDOW(window),
 226                                     cfg->window_w,
 227                                     cfg->window_h);
 228
 229         gtk_window_set_title(GTK_WINDOW(window),
 230                              _("Psensor - Temperature Monitor"));
 231         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 232
 233         screen = gtk_widget_get_screen(window);
 234
 235         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 236                 if (!enable_alpha_channel(window))
 237                         cfg->alpha_channel_enabled = 0;
 238         } else {
 239                 cfg->alpha_channel_enabled = 0;
 240         }
 241
 242         icon_theme = gtk_icon_theme_get_default();
 243         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 244         if (icon)
 245                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 246         else
 247                 fprintf(stderr, _("ERROR: Failed to load psensor icon.\n"));
 248
 249         g_signal_connect(window,
 250                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 251
 252         gtk_window_set_decorated(GTK_WINDOW(window),
 253                                  cfg->window_decoration_enabled);
 254
 255         gtk_window_set_keep_below(GTK_WINDOW(window),
 256                                   cfg->window_keep_below_enabled);
 257
 258         /* main box */
 259         menubar = get_menu(ui);
 260
 261         ui->main_box = gtk_vbox_new(FALSE, 1);
 262
 263         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 264                            FALSE, TRUE, 0);
 265
 266         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 267
 268         ui->main_window = window;
 269         ui->menu_bar = menubar;
 270
 271         gtk_widget_show_all(ui->main_box);
 272 }
 273
 274 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 275 {
 276         if (show)
 277                 gtk_widget_show(ui->menu_bar);
 278         else
 279                 gtk_widget_hide(ui->menu_bar);
 280 }
 281
 282 void ui_window_update(struct ui_psensor *ui)
 283 {
 284         struct config *cfg;
 285         int init = 1;
 286
 287         cfg = ui->config;
 288
 289         if (ui->sensor_box) {
 290                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 291
 292                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 293                                      ui->ui_sensorlist->widget);
 294
 295                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 296                                      ui->sensor_box);
 297
 298                 ui->w_graph = ui_graph_create(ui);
 299
 300                 init = 0;
 301         }
 302
 303         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 304             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 305                 ui->sensor_box = gtk_hpaned_new();
 306         else
 307                 ui->sensor_box = gtk_vpaned_new();
 308
 309         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 310
 311         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 312             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 313                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 314                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 315                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 316                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 317         } else {
 318                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 319                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 320                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 321                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 322         }
 323
 324         if (cfg->window_restore_enabled)
 325                 gtk_paned_set_position(GTK_PANED(ui->sensor_box),
 326                                        ui->config->window_divider_pos);
 327
 328         if (!init)
 329                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 330
 331         gtk_widget_show_all(ui->sensor_box);
 332
 333         if (cfg->menu_bar_disabled)
 334                 menu_bar_show(0, ui);
 335         else
 336                 menu_bar_show(1, ui);
 337 }
 338
 339 void ui_window_show(struct ui_psensor *ui)
 340 {
 341         log_debug("ui_window_show()");
 342         gtk_window_present(GTK_WINDOW(ui->main_window));
 343 }