src/app_wm.vala

   1 /*
   2  * app_wm - zavai window management functions
   3  *
   4  * Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 using GLib;
  22
  23 namespace zavai {
  24 namespace ui {
  25 namespace wm {
  26
  27 /*
  28 static void print_window_state(Gtk.Window w)
  29 {
  30         Gdk.WindowState state = w.window.get_state();
  31         int istate = (int) state;
  32         bool is_icon = (state & Gdk.WindowState.ICONIFIED) != 0;
  33         bool is_visible = w.visible;
  34         bool is_focus = w.is_focus;
  35         bool has_focus = ((Gtk.Widget)w).has_focus;
  36         bool is_active = w.is_active;
  37         bool is_toplevel = w.is_toplevel();
  38         bool is_tfocus = w.has_toplevel_focus;
  39
  40         stderr.printf("istate: %d; is_icon: %s; is_visible: %s; is_focus: %s; has_focus: %s, is_active: %s; is_toplevel: %s; is_tfocus: %s\n",
  41                         istate,
  42                         is_icon ? "true" : "false",
  43                         is_visible ? "true" : "false",
  44                         is_focus ? "true" : "false",
  45                         has_focus ? "true" : "false",
  46                         is_active ? "true" : "false",
  47                         is_toplevel ? "true" : "false",
  48                         is_tfocus ? "true" : "false"
  49                      );
  50 }
  51 */
  52
  53 public class RaiseIcon : Gtk.StatusIcon
  54 {
  55         public RaiseIcon()
  56         {
  57                 activate += on_activate;
  58                 zavai.app.visibility_changed += on_visibility_changed;
  59                 update_icon();
  60         }
  61
  62         private void on_visibility_changed(bool visible)
  63         {
  64                 update_icon();
  65         }
  66
  67         private void on_activate()
  68         {
  69                 zavai.app.toggle_visibility();
  70                 update_icon();
  71         }
  72
  73         protected void update_icon()
  74         {
  75                 string name = zavai.config.icondir + "/";
  76                 if (!zavai.app.visibility)
  77                         name += "zavai_on.png";
  78                 else
  79                         name += "zavai_off.png";
  80                 set_from_file(name);
  81         }
  82 }
  83
  84 public class CloseOrBack : Gtk.StatusIcon
  85 {
  86         public CloseOrBack()
  87         {
  88                 activate += on_activate;
  89                 zavai.app.visibility_changed += on_visibility_changed;
  90                 update_icon();
  91         }
  92
  93         private void on_visibility_changed(bool visible)
  94         {
  95                 update_icon();
  96         }
  97
  98         private void on_activate()
  99         {
 100                 if (zavai.app.visibility)
 101                 {
 102                         // Back
 103                 } else {
 104                         // Close current app
 105                         Gdk.Window w = zavai.app.get_screen().get_active_window();
 106                         if (w != zavai.app.window)
 107                         {
 108                                 w.destroy();
 109                         }
 110                 }
 111         }
 112
 113         protected void update_icon()
 114         {
 115                 string name = zavai.config.icondir + "/";
 116                 if (!zavai.app.visibility)
 117                         name += "quit_on.png";
 118                 else
 119                         name += "quit_off.png";
 120                 set_from_file(name);
 121         }
 122 }
 123
 124 public class WindowList : Applet
 125 {
 126         Wnck.Tasklist selector;
 127
 128         public WindowList(string label)
 129         {
 130                 _label = label;
 131                 selector = new Wnck.Tasklist(Wnck.Screen.get_default());
 132                 pack_start(selector, true, true, 0);
 133         }
 134 }
 135
 136 public class LauncherButton : Gtk.Button
 137 {
 138         private string exec;
 139
 140         public LauncherButton(string name, string exec)
 141         {
 142                 label = name;
 143                 this.exec = exec;
 144                 clicked += on_clicked;
 145                 set_size_request(0, zavai.config.min_button_height);
 146         }
 147
 148         public void on_clicked()
 149         {
 150                 zavai.log.info("Run program: " + exec);
 151                 string[] args = exec.split(" ");
 152                 string[] args1 = new string[args.length + 1];
 153                 int cout = 0;
 154                 for (int cin = 0; cin < args.length; ++cin)
 155                 {
 156                         if (args[cin][0] == '%') continue;
 157                         args1[cout++] = args[cin];
 158                 }
 159                 args1[cout] = null;
 160                 Pid pid;
 161                 Process.spawn_async(
 162                         Environment.get_home_dir(),
 163                         args1,
 164                         null,
 165                         SpawnFlags.SEARCH_PATH,
 166                         null,
 167                         out pid);
 168         }
 169 }
 170
 171 public class Launcher: Applet
 172 {
 173         static const string DENTRY_GROUP = "Desktop Entry";
 174
 175         public Launcher(string label)
 176         {
 177                 _label = label;
 178
 179                 var dir = File.new_for_path(zavai.config.homedir);
 180                 var enumerator = dir.enumerate_children(FILE_ATTRIBUTE_STANDARD_NAME, 0, null);
 181
 182                 FileInfo file_info;
 183                 var icon_theme = Gtk.IconTheme.get_default();
 184                 Gee.ArrayList<LauncherButton> buttons = new Gee.ArrayList<LauncherButton>();
 185                 while ((file_info = enumerator.next_file(null)) != null)
 186                 {
 187                         if (!file_info.get_name().has_suffix(".desktop")) continue;
 188
 189                         string pathname = zavai.config.homedir + "/" + file_info.get_name();
 190                         //stdout.printf("Load %s\n", pathname);
 191
 192                         string icon = null;
 193                         var kf = new KeyFile();
 194                         try {
 195                                 kf.load_from_file(pathname, KeyFileFlags.NONE);
 196                                 if (! kf.has_group(DENTRY_GROUP)) continue;
 197                                 if (! kf.has_key(DENTRY_GROUP, "Name")) continue;
 198                                 if (! kf.has_key(DENTRY_GROUP, "Exec")) continue;
 199                                 if (kf.has_key(DENTRY_GROUP, "Icon"))
 200                                         icon = kf.get_string(DENTRY_GROUP, "Icon");
 201                         } catch (Error e) {
 202                                 zavai.log.error("Skipping file " + pathname + ": " + e.message);
 203                                 continue;
 204                         }
 205                         var name = kf.get_string(DENTRY_GROUP, "Name");
 206                         var exec = kf.get_string(DENTRY_GROUP, "Exec");
 207                         var button = new LauncherButton(name, exec);
 208                         if (icon != null && icon_theme.has_icon(icon))
 209                         {
 210                                 try {
 211                                         var pb = icon_theme.load_icon(icon, zavai.config.min_button_height * 2 / 3, 0);
 212                                         button.image = new Gtk.Image.from_pixbuf(pb);
 213                                 } catch (Error e) {
 214                                         zavai.log.error("Skipping icon " + icon + ": " + e.message);
 215                                 }
 216                         }
 217                         buttons.add(button);
 218                 }
 219
 220                 // Create the table with the launcher buttons
 221                 uint ROWMAX = 5;        // Maximum number of rows
 222                 uint cols = 1 + (buttons.size + 1) / ROWMAX; // ceil(size/ROWMAX)
 223                 uint rows = (buttons.size + 1) / cols;   // ceil(size/cols)
 224                 var table = new Gtk.Table(rows, cols, true);
 225
 226                 // Attach the buttons in the table
 227                 uint row = 0;
 228                 uint col = 0;
 229                 foreach (LauncherButton b in buttons)
 230                 {
 231                         table.attach(b, col, col+1, row, row+1,
 232                                 Gtk.AttachOptions.EXPAND | Gtk.AttachOptions.FILL,
 233                                 Gtk.AttachOptions.EXPAND | Gtk.AttachOptions.FILL,
 234                                 0, 0);
 235                         ++col;
 236                         if (col == cols)
 237                         {
 238                                 col = 0;
 239                                 ++row;
 240                         }
 241                 }
 242
 243                 pack_start(table, true, true, 0);
 244
 245 /*
 246     try {
 247     } catch (Error e) {
 248         stderr.printf ("Error: %s\n", e.message);
 249         return 1;
 250     }
 251
 252                 for (string file in confdir)
 253                 {
 254                 }
 255 */
 256         }
 257 }
 258
 259 RaiseIcon raise_icon;
 260 CloseOrBack close_or_back;
 261 WindowList window_list;
 262 Launcher launcher;
 263
 264 public void init()
 265 {
 266         raise_icon = new RaiseIcon();
 267         raise_icon.set_visible(true);
 268
 269         close_or_back = new CloseOrBack();
 270         close_or_back.set_visible(true);
 271
 272         window_list = new WindowList("Current apps");
 273         zavai.registry.register_applet("wm.list", window_list);
 274         zavai.registry.getmenu("menu.main").add_applet("wm.list");
 275
 276         try {
 277                 launcher = new Launcher("Run program");
 278         } catch (Error e) {
 279                 zavai.log.error("Not running launcher: " + e.message);
 280                 launcher = null;
 281         }
 282
 283         if (launcher != null)
 284         {
 285                 zavai.registry.register_applet("wm.launcher", launcher);
 286                 zavai.registry.getmenu("menu.main").add_applet("wm.launcher");
 287         }
 288 }
 289
 290 }
 291 }
 292 }