Complete the keybindings stuff and use it for the home page

bindings/globalkeys/Makefile.am

@@ -1,4 +1,5 @@
 INCLUDES =			\
+	$(WARN_CFLAGS)		\
 	$(PYTHON_INCLUDES)	\
 	$(PYGTK_CFLAGS)		\
 	$(GLOBALKEYS_CFLAGS)

bindings/globalkeys/sugar-key-grabber.c

@@ -19,30 +19,84 @@
 #include <X11/X.h>
 #include <gdk/gdkscreen.h>
 #include <gdk/gdkx.h>
+#include <gdk/gdk.h>
 
 #include "sugar-key-grabber.h"
+#include "eggaccelerators.h"
 
 /* we exclude shift, GDK_CONTROL_MASK and GDK_MOD1_MASK since we know what
    these modifiers mean
    these are the mods whose combinations are bound by the keygrabbing code */
 #define IGNORED_MODS (0x2000 /*Xkb modifier*/ | GDK_LOCK_MASK  | \
         GDK_MOD2_MASK | GDK_MOD3_MASK | GDK_MOD4_MASK | GDK_MOD5_MASK)
+/* these are the ones we actually use for global keys, we always only check
+ * for these set */
+#define USED_MODS (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK)
 
 struct _SugarKeyGrabber {
 	GObject base_instance;
 
 	GdkWindow *root;
+	GList *keys;
 };
 
 struct _SugarKeyGrabberClass {
 	GObjectClass base_class;
+
+	void (* key_pressed) (SugarKeyGrabber *grabber,
+						  const char      *key);
 };
 
+enum {
+	KEY_PRESSED,
+	N_SIGNALS
+};
+
+typedef struct {
+  char *key;
+  guint keysym;
+  guint state;
+  guint keycode;
+} Key;
+
 G_DEFINE_TYPE(SugarKeyGrabber, sugar_key_grabber, G_TYPE_OBJECT)
 
+static guint signals[N_SIGNALS];
+
 static void
-sugar_key_grabber_class_init(SugarKeyGrabberClass *key_grabber_class)
+free_key_info(Key *key_info)
 {
+	g_free(key_info->key);
+	g_free(key_info);
+}
+
+static void
+sugar_key_grabber_dispose (GObject *object)
+{
+	SugarKeyGrabber *grabber = SUGAR_KEY_GRABBER(object);
+
+	if (grabber->keys) {
+		g_list_foreach(grabber->keys, (GFunc)free_key_info, NULL);
+		g_list_free(grabber->keys);
+		grabber->keys = NULL;
+	}
+}
+
+static void
+sugar_key_grabber_class_init(SugarKeyGrabberClass *grabber_class)
+{
+	GObjectClass *g_object_class = G_OBJECT_CLASS (grabber_class);
+
+	g_object_class->dispose = sugar_key_grabber_dispose;
+
+	signals[KEY_PRESSED] = g_signal_new ("key-pressed",
+                         G_TYPE_FROM_CLASS (grabber_class),
+                         G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                         G_STRUCT_OFFSET (SugarKeyGrabberClass, key_pressed),
+                         NULL, NULL,
+                         g_cclosure_marshal_VOID__STRING,
+                         G_TYPE_NONE, 1,
+                         G_TYPE_STRING);
 }
 
 static GdkFilterReturn
@@ -50,14 +104,26 @@ filter_events(GdkXEvent *xevent, GdkEvent *event, gpointer data)
 {
 	SugarKeyGrabber *grabber = (SugarKeyGrabber *)data;
 	XEvent *xev = (XEvent *)xevent;
-	XAnyEvent *xanyev = (XAnyEvent *)xevent;
+
+	if (xev->type == KeyPress) {
+		GList *l;
 		guint keycode, state;
-	int i;
 
 		keycode = xev->xkey.keycode;
 		state = xev->xkey.state;
 
-	g_print("KeyCode %d", keycode);
+		for (l = grabber->keys; l != NULL; l = l->next) {
+			Key *keyinfo = (Key *)l->data;
+			if (keyinfo->keycode == keycode &&
+			    (state & USED_MODS) == keyinfo->state) {
+				g_signal_emit (grabber, signals[KEY_PRESSED],
+							   0, keyinfo->key);
+				return GDK_FILTER_REMOVE;
+			}
+		}
+	}
+
+	return GDK_FILTER_CONTINUE;
 }
 
 static void
@@ -67,21 +133,40 @@ sugar_key_grabber_init(SugarKeyGrabber *grabber)
 
 	screen = gdk_screen_get_default();
 	grabber->root = gdk_screen_get_root_window(screen);
+	grabber->keys = NULL;
 
 	gdk_window_add_filter(grabber->root, filter_events, grabber);
 }
 
+/* grab_key and grab_key_real are from 
+ * gnome-control-center/gnome-settings-daemon/gnome-settings-multimedia-keys.c
+ */
+
+static gboolean
+grab_key_real (Key *key, GdkWindow *root, gboolean grab, int result)
+{
+        gdk_error_trap_push ();
+        if (grab)
+                XGrabKey (GDK_DISPLAY(), key->keycode, (result | key->state),
+                                GDK_WINDOW_XID (root), True, GrabModeAsync, GrabModeAsync);
+        else
+                XUngrabKey(GDK_DISPLAY(), key->keycode, (result | key->state),
+                                GDK_WINDOW_XID (root));
+        gdk_flush ();
+
+        gdk_error_trap_pop ();
+
+        return TRUE;
+}
 
-/* inspired from all_combinations from gnome-panel/gnome-panel/global-keys.c */
 #define N_BITS 32
-static int
+static void
-get_modifier(guint state)
+grab_key (SugarKeyGrabber *grabber, Key *key, gboolean grab)
 {
         int indexes[N_BITS];/*indexes of bits we need to flip*/
         int i, bit, bits_set_cnt;
         int uppervalue;
-	int result = 0;
+        guint mask_to_traverse = IGNORED_MODS & ~ key->state;
-	guint mask_to_traverse = IGNORED_MODS & ~ state;
 
         bit = 0;
         for (i = 0; i < N_BITS; i++) {
@@ -93,34 +178,29 @@ get_modifier(guint state)
 
         uppervalue = 1<<bits_set_cnt;
         for (i = 0; i < uppervalue; i++) {
-		int j;
+                int j, result = 0;
 
                 for (j = 0; j < bits_set_cnt; j++) {
                         if (i & (1<<j))
                                 result |= (1<<indexes[j]);
                 }
 
+                if (grab_key_real (key, grabber->root, grab, result) == FALSE)
+                        return;
         }
-
-	return (result | state);
 }
 
 void
 sugar_key_grabber_grab(SugarKeyGrabber *grabber, const char *key)
 {
-	guint keysym;
+	Key *keyinfo;
-	guint state;
-	guint keycode;
 
-	gdk_error_trap_push ();
+	keyinfo = g_new0 (Key, 1);
+	keyinfo->key = g_strdup(key);
+	egg_accelerator_parse_virtual (key, &keyinfo->keysym,
+								   &keyinfo->keycode, &keyinfo->state);
 
-	egg_accelerator_parse_virtual (key, &keysym, &keycode, &state);
+	grab_key(grabber, keyinfo, TRUE);
 
-	XGrabKey (GDK_DISPLAY(), keycode, get_modifier(state),
+	grabber->keys = g_list_append(grabber->keys, keyinfo);	
-			  GDK_WINDOW_XID (grabber->root), True,
-			  GrabModeAsync, GrabModeAsync);
-	
-	gdk_flush ();
-
-	gdk_error_trap_pop ();
 }

configure.ac

@@ -3,6 +3,7 @@ AC_INIT([Sugar],[0.22],[],[sugar])
 AC_PREREQ([2.59])
 
 GNOME_COMMON_INIT
+GNOME_COMPILE_WARNINGS
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h])

shell/Makefile.am

@@ -6,7 +6,6 @@ bin_SCRIPTS = 				\
 	sugar-activity-factory		\
 	sugar-console			\
 	sugar-people			\
-	sugar-zoom			\
 	sugar-presence-service
 
 sugardir = $(pkgdatadir)/shell

shell/Shell.py

@@ -41,14 +41,6 @@ class ShellDbusService(dbus.service.Object):
 	def show_console(self):
 		gobject.idle_add(self.__show_console_idle)
 
-	@dbus.service.method('com.redhat.Sugar.Shell')
-	def zoom_in(self):
-		self._shell.zoom_in()
-
-	@dbus.service.method('com.redhat.Sugar.Shell')
-	def zoom_out(self):
-		self._shell.zoom_out()
-
 class Shell(gobject.GObject):
 	ZOOM_MESH = 0
 	ZOOM_FRIENDS = 1
@@ -66,7 +58,11 @@ class Shell(gobject.GObject):
 		gobject.GObject.__init__(self)
 
 		key_grabber = KeyGrabber()
-		key_grabber.grab('F8')
+		key_grabber.connect('key-pressed', self.__global_key_pressed_cb)
+		key_grabber.grab('F1')
+		key_grabber.grab('F2')
+		key_grabber.grab('F3')
+		key_grabber.grab('F4')
 
 		self._screen = wnck.screen_get_default()
 		self._hosts = {}
@@ -87,6 +83,16 @@ class Shell(gobject.GObject):
 		else:
 			self.start()
 
+	def __global_key_pressed_cb(self, grabber, key):
+		if key == 'F1':
+			self.set_zoom_level(Shell.ZOOM_ACTIVITY)
+		elif key == 'F2':
+			self.set_zoom_level(Shell.ZOOM_HOME)
+		elif key == 'F3':
+			self.set_zoom_level(Shell.ZOOM_FRIENDS)
+		elif key == 'F4':
+			self.set_zoom_level(Shell.ZOOM_MESH)
+
 	def __first_time_dialog_destroy_cb(self, dialog):
 		self.start()
 
@@ -105,7 +111,7 @@ class Shell(gobject.GObject):
 
 		home_model = HomeModel()
 		self._home_window.set_model(home_model)
-		self._set_zoom_level(Shell.ZOOM_HOME)
+		self.set_zoom_level(Shell.ZOOM_HOME)
 
 		self._panel_manager = PanelManager(self)
 
@@ -204,7 +210,7 @@ class Shell(gobject.GObject):
 	def get_chat_controller(self):
 		return self._chat_controller
 
-	def _set_zoom_level(self, level):
+	def set_zoom_level(self, level):
 		self._zoom_level = level
 
 		if level == Shell.ZOOM_ACTIVITY:
@@ -218,13 +224,3 @@ class Shell(gobject.GObject):
 			self._home_window.set_view(HomeWindow.FRIENDS_VIEW)
 		elif level == Shell.ZOOM_MESH:
 			self._home_window.set_view(HomeWindow.MESH_VIEW)
-
-	def zoom_in(self):
-		level = self._zoom_level + 1
-		if level <= Shell.ZOOM_ACTIVITY:
-			self._set_zoom_level(level)
-
-	def zoom_out(self):
-		level = self._zoom_level - 1
-		if level >= Shell.ZOOM_MESH:
-			self._set_zoom_level(level)

shell/data/kbdconfig

@@ -5,7 +5,5 @@
 <Alt>n=next
 <Alt>p=prev
 <Alt>c=close
-f1=!sugar-zoom out
+f5=!sugar-people
-f2=!sugar-zoom in
+f6=!sugar-activity org.sugar.Terminal
-f3=!sugar-people
-f4=!sugar-activity org.sugar.Terminal

shell/sugar-zoom

@@ -1,14 +0,0 @@
-#!/usr/bin/python
-import sys
-
-import dbus
-import dbus.glib
-
-bus = dbus.SessionBus()
-proxy_obj = bus.get_object('com.redhat.Sugar.Shell', '/com/redhat/Sugar/Shell')
-shell = dbus.Interface(proxy_obj, 'com.redhat.Sugar.Shell')
-
-if sys.argv[1] == 'in':
-	shell.zoom_in()
-elif sys.argv[1] == 'out':
-	shell.zoom_out()