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
  27 static gboolean
  28 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
  29 {
  30
  31 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
  32         gtk_widget_hide(((struct ui_psensor *)data)->main_window);
  33 #else
  34         ui_psensor_quit();
  35 #endif
  36
  37         return TRUE;
  38 }
  39
  40 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
  41 {
  42         ui_psensor_quit();
  43 }
  44
  45 static void cb_preferences(GtkMenuItem *mi, gpointer data)
  46 {
  47         ui_pref_dialog_run((struct ui_psensor *)data);
  48 }
  49
  50 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
  51 {
  52         struct ui_psensor *ui = data;
  53
  54         if (ui->sensors && *ui->sensors)
  55                 ui_sensorpref_dialog_run(*ui->sensors, ui);
  56 }
  57
  58 void ui_psensor_quit()
  59 {
  60         gtk_main_quit();
  61 }
  62
  63 static const char *menu_desc =
  64 "<ui>"
  65 "  <menubar name='MainMenu'>"
  66 "    <menu name='Psensor' action='PsensorMenuAction'>"
  67 "      <menuitem name='Preferences' action='PreferencesAction' />"
  68 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
  69 "      <separator />"
  70 "      <menuitem name='Quit' action='QuitAction' />"
  71 "    </menu>"
  72 "  </menubar>"
  73 "</ui>";
  74
  75 static GtkActionEntry entries[] = {
  76   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
  77
  78   { "PreferencesAction", GTK_STOCK_PREFERENCES,   /* name, stock id */
  79     N_("_Preferences"), NULL,                     /* label, accelerator */
  80     N_("Preferences"),                            /* tooltip */
  81     G_CALLBACK(cb_preferences) },
  82
  83   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
  84     N_("_Sensor Preferences"), NULL,
  85     N_("Sensor Preferences"),
  86     G_CALLBACK(cb_sensor_preferences) },
  87
  88   { "QuitAction",
  89     GTK_STOCK_QUIT, N_("_Quit"), NULL, N_("Quit"), G_CALLBACK(cb_menu_quit) }
  90 };
  91 static guint n_entries = G_N_ELEMENTS(entries);
  92
  93 static GtkWidget *get_menu(struct ui_psensor *ui)
  94 {
  95         GtkActionGroup      *action_group;
  96         GtkUIManager        *menu_manager;
  97         GError              *error;
  98
  99         action_group = gtk_action_group_new("PsensorActions");
 100         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 101         menu_manager = gtk_ui_manager_new();
 102
 103         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 104         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 105
 106         error = NULL;
 107         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 108
 109         if (error)
 110                 g_error(_("building menus failed: %s"), error->message);
 111
 112         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 113 }
 114
 115 static unsigned int enable_alpha_channel(GtkWidget *w)
 116 {
 117         GdkScreen *screen = gtk_widget_get_screen(w);
 118
 119 #if (GTK_CHECK_VERSION(3, 0, 0))
 120         GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
 121
 122         if (visual) {
 123                 gtk_widget_set_visual(w, visual);
 124                 return 1;
 125         }
 126 #else
 127         GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
 128
 129         if (colormap) {
 130                 gtk_widget_set_colormap(w, colormap);
 131                 return 1;
 132         }
 133 #endif
 134         return 0;
 135 }
 136
 137 void ui_window_create(struct ui_psensor *ui)
 138 {
 139         GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 140         GdkScreen *screen;
 141         GdkPixbuf *icon;
 142         GtkIconTheme *icon_theme;
 143         GtkWidget *menubar;
 144
 145         gtk_window_set_default_size(GTK_WINDOW(window), 800, 200);
 146
 147         gtk_window_set_title(GTK_WINDOW(window),
 148                              _("Psensor - Temperature Monitor"));
 149         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 150
 151         screen = gtk_widget_get_screen(window);
 152
 153         if (ui->config->alpha_channel_enabled
 154             && gdk_screen_is_composited(screen)) {
 155                 if (!enable_alpha_channel(window))
 156                         ui->config->alpha_channel_enabled = 0;
 157         } else {
 158                 ui->config->alpha_channel_enabled = 0;
 159         }
 160
 161         icon_theme = gtk_icon_theme_get_default();
 162         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 163         if (icon)
 164                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 165         else
 166                 fprintf(stderr, _("ERROR: Failed to load psensor icon.\n"));
 167
 168         g_signal_connect(window,
 169                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 170
 171         gtk_window_set_decorated(GTK_WINDOW(window),
 172                                  ui->config->window_decoration_enabled);
 173
 174         gtk_window_set_keep_below(GTK_WINDOW(window),
 175                                   ui->config->window_keep_below_enabled);
 176
 177         /* main box */
 178         menubar = get_menu(ui);
 179
 180         ui->main_box = gtk_vbox_new(FALSE, 1);
 181
 182         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 183                            FALSE, TRUE, 0);
 184
 185         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 186
 187         ui->main_window = window;
 188         ui->menu_bar = menubar;
 189
 190 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
 191         if (ui->config->hide_on_startup)
 192                 gtk_widget_show_all(ui->main_box);
 193         else
 194                 gtk_widget_show_all(ui->main_window);
 195 #else
 196         gtk_widget_show_all(ui->main_window);
 197 #endif
 198
 199 }
 200
 201 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 202 {
 203         if (show)
 204                 gtk_widget_show(ui->menu_bar);
 205         else
 206                 gtk_widget_hide(ui->menu_bar);
 207 }
 208
 209 void ui_window_update(struct ui_psensor *ui)
 210 {
 211         struct config *cfg;
 212         int init = 1;
 213
 214         cfg = ui->config;
 215
 216         if (ui->sensor_box) {
 217                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 218
 219                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 220                                      ui->ui_sensorlist->widget);
 221
 222                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 223                                      ui->sensor_box);
 224
 225                 ui->w_graph = ui_graph_create(ui);
 226
 227                 init = 0;
 228         }
 229
 230         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 231             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 232                 ui->sensor_box = gtk_hpaned_new();
 233         else
 234                 ui->sensor_box = gtk_vpaned_new();
 235
 236         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 237
 238         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 239             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 240                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 241                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 242                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 243                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 244         } else {
 245                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 246                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 247                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 248                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 249         }
 250
 251         if (!init)
 252                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 253
 254         gtk_widget_show_all(ui->sensor_box);
 255
 256         if (cfg->menu_bar_disabled)
 257                 menu_bar_show(0, ui);
 258         else
 259                 menu_bar_show(1, ui);
 260 }