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         gint x, y, w, h;
  31         gboolean visible;
  32         GtkWindow *win;
  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                 win = GTK_WINDOW(ui->main_window);
  39
  40                 gtk_window_get_position(win, &x, &y);
  41                 gtk_window_get_size(win, &w, &h);
  42
  43                 log_printf(LOG_DEBUG, "Window position: %d %d", x, y);
  44                 log_printf(LOG_DEBUG, "Window size: %d %d", w, h);
  45         }
  46 }
  47
  48 static gboolean
  49 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
  50 {
  51         struct ui_psensor *ui = data;
  52
  53         save_window_pos(ui);
  54
  55 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
  56         if (is_appindicator_supported()) {
  57                 log_puts(LOG_DEBUG, "hiding, WM is supporting appindicator");
  58                 gtk_widget_hide(ui->main_window);
  59         } else {
  60                 log_puts(LOG_DEBUG, "quitting, WM not supporting appindicator");
  61                 ui_psensor_quit(ui);
  62         }
  63 #else
  64         ui_psensor_quit(ui);
  65 #endif
  66
  67         return TRUE;
  68 }
  69
  70 void ui_show_about_dialog()
  71 {
  72         gtk_show_about_dialog(NULL,
  73                               "comments",
  74                               _("Psensor is a GTK+ application for monitoring "
  75                                 "hardware sensors"),
  76                               "copyright",
  77                               _("Copyright(c) 2010-2011\njeanfi@gmail.com"),
  78                               "logo-icon-name", "psensor",
  79                               "program-name", "Psensor",
  80                               "title", _("About Psensor"),
  81                               "version", VERSION,
  82                               "website", PACKAGE_URL,
  83                               "website-label", _("Psensor Homepage"),
  84                               NULL);
  85 }
  86
  87 static void cb_about(GtkMenuItem *mi, gpointer data)
  88 {
  89         ui_show_about_dialog();
  90 }
  91
  92 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
  93 {
  94         ui_psensor_quit((struct ui_psensor *)data);
  95 }
  96
  97 static void cb_preferences(GtkMenuItem *mi, gpointer data)
  98 {
  99         ui_pref_dialog_run((struct ui_psensor *)data);
 100 }
 101
 102 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 103 {
 104         struct ui_psensor *ui = data;
 105
 106         if (ui->sensors && *ui->sensors)
 107                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 108 }
 109
 110 void ui_psensor_quit(struct ui_psensor *ui)
 111 {
 112         save_window_pos(ui);
 113
 114         log_puts(LOG_DEBUG, "Destroy main window");
 115         gtk_widget_destroy(ui->main_window);
 116         gtk_main_quit();
 117 }
 118
 119 static const char *menu_desc =
 120 "<ui>"
 121 "  <menubar name='MainMenu'>"
 122 "    <menu name='Psensor' action='PsensorMenuAction'>"
 123 "      <menuitem name='Preferences' action='PreferencesAction' />"
 124 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
 125 "      <separator />"
 126 "      <menuitem name='Quit' action='QuitAction' />"
 127 "    </menu>"
 128 "    <menu name='Help' action='HelpMenuAction'>"
 129 "      <menuitem name='About' action='AboutAction' />"
 130 "    </menu>"
 131 "  </menubar>"
 132 "</ui>";
 133
 134 static GtkActionEntry entries[] = {
 135   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
 136
 137   { "PreferencesAction", GTK_STOCK_PREFERENCES,   /* name, stock id */
 138     N_("_Preferences"), NULL,                     /* label, accelerator */
 139     N_("Preferences"),                            /* tooltip */
 140     G_CALLBACK(cb_preferences) },
 141
 142   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
 143     N_("_Sensor Preferences"), NULL,
 144     N_("Sensor Preferences"),
 145     G_CALLBACK(cb_sensor_preferences) },
 146
 147   { "QuitAction",
 148     GTK_STOCK_QUIT, N_("_Quit"), NULL, N_("Quit"), G_CALLBACK(cb_menu_quit) },
 149
 150   { "HelpMenuAction", NULL, "_Help" },
 151
 152   { "AboutAction", GTK_STOCK_PREFERENCES,
 153     N_("_About"), NULL,
 154     N_("About"),
 155     G_CALLBACK(cb_about) }
 156 };
 157 static guint n_entries = G_N_ELEMENTS(entries);
 158
 159 static GtkWidget *get_menu(struct ui_psensor *ui)
 160 {
 161         GtkActionGroup      *action_group;
 162         GtkUIManager        *menu_manager;
 163         GError              *error;
 164
 165         action_group = gtk_action_group_new("PsensorActions");
 166         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 167         menu_manager = gtk_ui_manager_new();
 168
 169         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 170         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 171
 172         error = NULL;
 173         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 174
 175         if (error)
 176                 g_error(_("building menus failed: %s"), error->message);
 177
 178         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 179 }
 180
 181 static unsigned int enable_alpha_channel(GtkWidget *w)
 182 {
 183         GdkScreen *screen = gtk_widget_get_screen(w);
 184
 185 #if (GTK_CHECK_VERSION(3, 0, 0))
 186         GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
 187
 188         if (visual) {
 189                 gtk_widget_set_visual(w, visual);
 190                 return 1;
 191         }
 192 #else
 193         GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
 194
 195         if (colormap) {
 196                 gtk_widget_set_colormap(w, colormap);
 197                 return 1;
 198         }
 199 #endif
 200         return 0;
 201 }
 202
 203 void ui_window_create(struct ui_psensor *ui)
 204 {
 205         GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 206         GdkScreen *screen;
 207         GdkPixbuf *icon;
 208         GtkIconTheme *icon_theme;
 209         GtkWidget *menubar;
 210
 211         gtk_window_set_default_size(GTK_WINDOW(window), 800, 200);
 212
 213         gtk_window_set_title(GTK_WINDOW(window),
 214                              _("Psensor - Temperature Monitor"));
 215         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 216
 217         screen = gtk_widget_get_screen(window);
 218
 219         if (ui->config->alpha_channel_enabled
 220             && gdk_screen_is_composited(screen)) {
 221                 if (!enable_alpha_channel(window))
 222                         ui->config->alpha_channel_enabled = 0;
 223         } else {
 224                 ui->config->alpha_channel_enabled = 0;
 225         }
 226
 227         icon_theme = gtk_icon_theme_get_default();
 228         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 229         if (icon)
 230                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 231         else
 232                 fprintf(stderr, _("ERROR: Failed to load psensor icon.\n"));
 233
 234         g_signal_connect(window,
 235                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 236
 237         gtk_window_set_decorated(GTK_WINDOW(window),
 238                                  ui->config->window_decoration_enabled);
 239
 240         gtk_window_set_keep_below(GTK_WINDOW(window),
 241                                   ui->config->window_keep_below_enabled);
 242
 243         /* main box */
 244         menubar = get_menu(ui);
 245
 246         ui->main_box = gtk_vbox_new(FALSE, 1);
 247
 248         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 249                            FALSE, TRUE, 0);
 250
 251         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 252
 253         ui->main_window = window;
 254         ui->menu_bar = menubar;
 255
 256 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
 257         if (ui->config->hide_on_startup)
 258                 gtk_widget_show_all(ui->main_box);
 259         else
 260                 gtk_widget_show_all(ui->main_window);
 261 #else
 262         gtk_widget_show_all(ui->main_window);
 263 #endif
 264 }
 265
 266 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 267 {
 268         if (show)
 269                 gtk_widget_show(ui->menu_bar);
 270         else
 271                 gtk_widget_hide(ui->menu_bar);
 272 }
 273
 274 void ui_window_update(struct ui_psensor *ui)
 275 {
 276         struct config *cfg;
 277         int init = 1;
 278
 279         cfg = ui->config;
 280
 281         if (ui->sensor_box) {
 282                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 283
 284                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 285                                      ui->ui_sensorlist->widget);
 286
 287                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 288                                      ui->sensor_box);
 289
 290                 ui->w_graph = ui_graph_create(ui);
 291
 292                 init = 0;
 293         }
 294
 295         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 296             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 297                 ui->sensor_box = gtk_hpaned_new();
 298         else
 299                 ui->sensor_box = gtk_vpaned_new();
 300
 301         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 302
 303         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 304             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 305                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 306                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 307                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 308                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 309         } else {
 310                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 311                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 312                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 313                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 314         }
 315
 316         if (!init)
 317                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 318
 319         gtk_widget_show_all(ui->sensor_box);
 320
 321         if (cfg->menu_bar_disabled)
 322                 menu_bar_show(0, ui);
 323         else
 324                 menu_bar_show(1, ui);
 325 }