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     "_Preferences", NULL,                           /* label, accelerator */
  80     "Preferences",                                  /* tooltip */
  81     G_CALLBACK(cb_preferences) },
  82
  83   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
  84     "_Sensor Preferences",
  85     NULL,
  86     "SensorPreferences",
  87     G_CALLBACK(cb_sensor_preferences) },
  88
  89   { "QuitAction",
  90     GTK_STOCK_QUIT, "_Quit", NULL, "Quit", G_CALLBACK(cb_menu_quit) }
  91 };
  92 static guint n_entries = G_N_ELEMENTS(entries);
  93
  94 static GtkWidget *get_menu(struct ui_psensor *ui)
  95 {
  96         GtkActionGroup      *action_group;
  97         GtkUIManager        *menu_manager;
  98         GError              *error;
  99
 100         action_group = gtk_action_group_new("PsensorActions");
 101         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 102         menu_manager = gtk_ui_manager_new();
 103
 104         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 105         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 106
 107         error = NULL;
 108         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 109
 110         if (error)
 111                 g_error(_("building menus failed: %s"), error->message);
 112
 113         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 114 }
 115
 116 static unsigned int enable_alpha_channel(GtkWidget *w)
 117 {
 118         GdkScreen *screen = gtk_widget_get_screen(w);
 119
 120 #if (GTK_CHECK_VERSION(3, 0, 0))
 121         GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
 122
 123         if (visual) {
 124                 gtk_widget_set_visual(w, visual);
 125                 return 1;
 126         }
 127 #else
 128         GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
 129
 130         if (colormap) {
 131                 gtk_widget_set_colormap(w, colormap);
 132                 return 1;
 133         }
 134 #endif
 135         return 0;
 136 }
 137
 138 void ui_window_create(struct ui_psensor *ui)
 139 {
 140         GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 141         GdkScreen *screen;
 142         GdkPixbuf *icon;
 143         GtkIconTheme *icon_theme;
 144         GtkWidget *menubar;
 145
 146         gtk_window_set_default_size(GTK_WINDOW(window), 800, 200);
 147
 148         gtk_window_set_title(GTK_WINDOW(window),
 149                              _("Psensor - Temperature Monitor"));
 150         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 151
 152         screen = gtk_widget_get_screen(window);
 153
 154         if (ui->config->alpha_channel_enabled
 155             && gdk_screen_is_composited(screen)) {
 156                 if (!enable_alpha_channel(window))
 157                         ui->config->alpha_channel_enabled = 0;
 158         } else {
 159                 ui->config->alpha_channel_enabled = 0;
 160         }
 161
 162         icon_theme = gtk_icon_theme_get_default();
 163         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 164         if (icon)
 165                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 166         else
 167                 fprintf(stderr, _("ERROR: Failed to load psensor icon.\n"));
 168
 169         g_signal_connect(window,
 170                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 171
 172         gtk_window_set_decorated(GTK_WINDOW(window),
 173                                  ui->config->window_decoration_enabled);
 174
 175         gtk_window_set_keep_below(GTK_WINDOW(window),
 176                                   ui->config->window_keep_below_enabled);
 177
 178         /* main box */
 179         menubar = get_menu(ui);
 180
 181         ui->main_box = gtk_vbox_new(FALSE, 1);
 182
 183         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 184                            FALSE, TRUE, 0);
 185
 186         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 187
 188         ui->main_window = window;
 189         ui->menu_bar = menubar;
 190
 191         gtk_widget_show_all(ui->main_window);
 192 }
 193
 194 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 195 {
 196         if (show)
 197                 gtk_widget_show(ui->menu_bar);
 198         else
 199                 gtk_widget_hide(ui->menu_bar);
 200 }
 201
 202 void ui_window_update(struct ui_psensor *ui)
 203 {
 204         struct config *cfg;
 205         int init = 1;
 206
 207         cfg = ui->config;
 208
 209         if (ui->sensor_box) {
 210                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 211
 212                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 213                                      ui->ui_sensorlist->widget);
 214
 215                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 216                                      ui->sensor_box);
 217
 218                 ui->w_graph = ui_graph_create(ui);
 219
 220                 init = 0;
 221         }
 222
 223         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 224             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 225                 ui->sensor_box = gtk_hpaned_new();
 226         else
 227                 ui->sensor_box = gtk_vpaned_new();
 228
 229         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 230
 231         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 232             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 233                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 234                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 235                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 236                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 237         } else {
 238                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 239                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 240                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 241                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 242         }
 243
 244         if (!init)
 245                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 246
 247         gtk_widget_show_all(ui->sensor_box);
 248
 249         if (cfg->menu_bar_disabled)
 250                 menu_bar_show(0, ui);
 251         else
 252                 menu_bar_show(1, ui);
 253 }