[evolution] Add meego detection logic, it needs to be used (next pass) to configure the shell, to name widgets d

[Michael Meeks <michael src gnome org>]

commit 2e1a8c389948bde089f9de42d4fed683708c7732
Author: Michael Meeks <michael meeks novell com>
Date:   Thu Apr 1 17:30:24 2010 +0100

    Add meego detection logic, it needs to be used (next pass) to
    configure the shell, to name widgets differently, and re-order
    some menu/toolbar bits.

 shell/Makefile.am     |    2 +
 shell/e-shell-meego.c |  126 +++++++++++++++++++++++++++++++++++++++++++++++++
 shell/e-shell-meego.h |   24 +++++++++
 3 files changed, 152 insertions(+), 0 deletions(-)
---
diff --git a/shell/Makefile.am b/shell/Makefile.am
index 103953d..ae3eb22 100644
--- a/shell/Makefile.am
+++ b/shell/Makefile.am
@@ -58,6 +58,8 @@ libeshell_la_SOURCES =				\
 	e-shell.c				\
 	e-shell-backend.c			\
 	e-shell-content.c			\
+	e-shell-meego.c				\
+	e-shell-meego.h				\
 	e-shell-searchbar.c			\
 	e-shell-settings.c			\
 	e-shell-sidebar.c			\
diff --git a/shell/e-shell-meego.c b/shell/e-shell-meego.c
new file mode 100644
index 0000000..0ed25ed
--- /dev/null
+++ b/shell/e-shell-meego.c
@@ -0,0 +1,126 @@
+/*
+ * e-shell-meego.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ * Inspired by mx's mx-application.c by
+ *	Thomas Wood <thomas wood intel com>,
+ *	Chris Lord  <chris linux intel com>
+ */
+
+#include <glib.h>
+#include <e-shell-meego.h>
+
+#ifndef G_OS_WIN32
+#include <gdk/gdkx.h>
+#include <X11/Xatom.h>
+#endif
+
+#ifdef G_OS_WIN32
+void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen)
+{
+	*is_meego = *small_screen = FALSE;
+}
+#else
+void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen)
+{
+	GdkAtom wm_win, mob_atom;
+	Atom dummy_t;
+	unsigned long dummy_l;
+	int dummy_i;
+	GdkScreen *screen;
+	GdkDisplay *display;
+	Window *wm_window_v = NULL;
+	unsigned char *moblin_string = NULL;
+
+	*is_meego = *small_screen = FALSE;
+
+	if (!gdk_display_get_default ())
+		return;
+
+	wm_win = gdk_atom_intern ("_NET_SUPPORTING_WM_CHECK", TRUE);
+	mob_atom = gdk_atom_intern ("_MOBLIN", TRUE);
+	if (!wm_win || !mob_atom)
+		return;
+
+	display = gdk_display_get_default ();
+	screen = gdk_display_get_default_screen (gdk_display_get_default());
+
+	gdk_error_trap_push ();
+
+	/* get the window manager's supporting window */
+	XGetWindowProperty (gdk_x11_display_get_xdisplay (display), 
+			    GDK_WINDOW_XID (gdk_screen_get_root_window (screen)),
+			    gdk_x11_atom_to_xatom_for_display (display, wm_win),
+			    0, 1, False, XA_WINDOW, &dummy_t, &dummy_i,
+			    &dummy_l, &dummy_l, (unsigned char **)(&wm_window_v));
+	
+	/* get the '_Moblin' setting */
+	if (wm_window_v && (*wm_window_v != None))
+		XGetWindowProperty (gdk_x11_display_get_xdisplay (display), *wm_window_v,
+				    gdk_x11_atom_to_xatom_for_display (display, mob_atom),
+				    0, 8192, False, XA_STRING,
+				    &dummy_t, &dummy_i, &dummy_l, &dummy_l,
+				    &moblin_string);
+
+	gdk_error_trap_pop ();
+
+	if (moblin_string) {
+		int i;
+		char **props;
+
+		g_warning ("prop '%s'", moblin_string);
+
+		/* use meego theming tweaks */
+		*is_meego = TRUE;
+
+		props = g_strsplit ((gchar *)moblin_string, ":", -1);
+		for (i = 0; props && props[i]; i++) {
+			char **pair = g_strsplit (props[i], "=", 2);
+
+			g_warning ("pair '%s'='%s'", pair ? pair[0] : "<null>",
+				   pair && pair[0] ? pair[1] : "<null>");
+
+			/* Hunt for session-type=small-screen */
+			if (pair && pair[0] && !g_ascii_strcasecmp (pair[0], "session-type"))
+				*small_screen = !g_ascii_strcasecmp (pair[1], "small-screen");
+			g_strfreev (pair);
+		}
+		g_strfreev (props);
+		XFree (moblin_string);
+	}
+
+	if (wm_window_v)
+	      XFree (wm_window_v);
+}
+#endif
+
+#ifdef TEST_APP
+/* gcc -g -O0 -Wall -I. -DTEST `pkg-config --cflags --libs gtk+-2.0` e-shell-meego.c && ./a.out */
+#include <gtk/gtk.h>
+
+int main (int argc, char **argv)
+{
+	gboolean is_meego, small_screen;
+
+	gtk_init (&argc, &argv);
+
+	e_shell_detect_meego (&is_meego, &small_screen);
+	fprintf (stderr, "Meego ? %d small ? %d\n", is_meego, small_screen);
+
+	return 0;
+}
+#endif
diff --git a/shell/e-shell-meego.h b/shell/e-shell-meego.h
new file mode 100644
index 0000000..54a7d52
--- /dev/null
+++ b/shell/e-shell-meego.h
@@ -0,0 +1,24 @@
+/*
+ * e-shell-meego.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ */
+#ifndef E_SHELL_MEEGO_H
+#define E_SHELL_MEEGO_H
+
+extern void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen);
+
+#endif /* E_SHELL_MEEGO_H */