Update windowheader plugin

- sync with updates of wnck
- sync with updates of xfce
- add build scripts

8 files changed, 489 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..27bdee9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,29 @@
+*.gmo
+*.la
+*.lo
+*.swp
+*.tar.*
+.deps
+.libs
+ChangeLog
+INSTALL
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
+compile
+config*
+depcomp
+install-sh
+intltool*
+libtool
+ltmain.sh
+missing
+mkinstalldirs
+panel-plugin/*.desktop
+panel-plugin/*.desktop.in
+po/.intltool-merge-cache
+po/Makefile.in.in
+po/POTFILES
+stamp-*
+m4
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..cd4ae16
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,24 @@
+@SET_MAKE@
+
+AUTOMAKE_OPTIONS = subdir-objects
+ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
+
+SUBDIRS = panel-plugin
+
+distclean-local:
+	rm -rf *.cache *~
+
+rpm: dist
+	rpmbuild -ta $(PACKAGE)-$(VERSION).tar.gz
+	@rm -f $(PACKAGE)-$(VERSION).tar.gz
+
+.PHONY: ChangeLog
+
+ChangeLog: Makefile
+	(GIT_DIR=$(top_srcdir)/.git git log > .changelog.tmp \
+	&& mv .changelog.tmp ChangeLog; rm -f .changelog.tmp) \
+	|| (touch ChangeLog; echo 'Git directory not found: installing possibly empty changelog.' >&2)
+
+dist-hook: ChangeLog
+
+# vi:set ts=8 sw=8 noet ai nocindent syntax=automake:
diff --git a/README b/README
new file mode 100644
index 0000000..496a4a8
--- /dev/null
+++ b/README
@@ -0,0 +1 @@
+Xfce4 Title Plugin
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..a600069
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# Copyright (c) 2002-2017 The Xfce development team. All rights reserved.
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+#
+# This library 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 General Public License for
+# more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# Written for Xfce by Benedikt Meurer <benny@xfce.org>.
+#
+
+(type xdt-autogen) >/dev/null 2>&1 || {
+  cat >&2 <<EOF
+autogen.sh: You don't seem to have the Xfce development tools installed on
+            your system, which are required to build this software.
+            Please install the xfce4-dev-tools package first, it is available
+            from https://www.xfce.org/.
+EOF
+  exit 1
+}
+
+test -d m4 || mkdir m4
+
+XDT_AUTOGEN_REQUIRED_VERSION="4.9.1" \
+exec xdt-autogen $@
diff --git a/configure.ac.in b/configure.ac.in
new file mode 100644
index 0000000..6ebe17d
--- /dev/null
+++ b/configure.ac.in
@@ -0,0 +1,111 @@
+dnl
+dnl xfce4-title-plugin - A title plugin for the Xfce panel
+dnl
+dnl 2020 Mikhail Osipov <mike.osipov@gmail.com>
+dnl
+
+dnl ***************************
+dnl *** Version information ***
+dnl ***************************
+m4_define([title_version_major], [0])
+m4_define([title_version_minor], [0])
+m4_define([title_version_micro], [3])
+m4_define([title_version_nano],  []) dnl leave this empty to have no nano version
+m4_define([title_version_build], [@REVISION@])
+m4_define([title_version_tag], [git])
+m4_define([title_version], [title_version_major().title_version_minor().title_version_micro()ifelse(title_version_nano(), [], [], [.title_version_nano()])ifelse(title_version_tag(), [git], [title_version_tag()-title_version_build()], [title_version_tag()])])
+m4_define([title_default_debug], [ifelse(title_version_tag(), [git], [yes], [minimum])])
+
+AC_CONFIG_MACRO_DIR([m4])
+dnl ***************************
+dnl *** Initialize autoconf ***
+dnl ***************************
+AC_COPYRIGHT([Copyright (C) 2020
+        The Xfce development team. All rights reserved.])
+AC_INIT([xfce4-title-plugin], [title_version], [https://gitlab.xfce.org/panel-plugins/xfce4-title-plugin], [xfce4-title-plugin])
+AC_PREREQ([2.50])
+AC_REVISION([xfce4_panel_version_build])
+
+dnl ***************************
+dnl *** Initialize automake ***
+dnl ***************************
+AM_INIT_AUTOMAKE([1.15 no-dist-gzip dist-bzip2 tar-ustar foreign])
+AC_CONFIG_HEADER([config.h])
+AM_MAINTAINER_MODE()
+AM_SILENT_RULES([yes])
+
+dnl **************************
+dnl *** Initialize libtool ***
+dnl **************************
+LT_PREREQ([2.2.6])
+LT_INIT([disable-static])
+
+dnl ********************************
+dnl *** Check for basic programs ***
+dnl ********************************
+AC_PROG_CC()
+AC_PROG_CC_C_O()
+AC_PROG_LD()
+AC_PROG_INSTALL()
+
+dnl **********************************
+dnl *** Check for standard headers ***
+dnl **********************************
+AC_HEADER_STDC()
+AC_CHECK_HEADERS([stdlib.h unistd.h locale.h stdio.h errno.h time.h string.h \
+                  math.h sys/types.h sys/wait.h memory.h signal.h sys/prctl.h \
+                  libintl.h])
+AC_CHECK_FUNCS([bind_textdomain_codeset])
+
+dnl ******************************
+dnl *** Check for i18n support ***
+dnl ******************************
+XDT_I18N([@LINGUAS@])
+
+dnl *******************************
+dnl *** Check for X11 installed ***
+dnl *******************************
+XDT_CHECK_LIBX11_REQUIRE()
+
+dnl ***********************************
+dnl *** Check for required packages ***
+dnl ***********************************
+XDT_CHECK_PACKAGE([LIBXFCE4UI], [libxfce4ui-2], [4.14.0])
+XDT_CHECK_PACKAGE([LIBXFCE4PANEL], [libxfce4panel-2.0], [4.14.0])
+XDT_CHECK_PACKAGE([LIBWNCK], [libwnck-3.0], [3.0])
+
+dnl ***********************************
+dnl *** Check for debugging support ***
+dnl ***********************************
+XDT_FEATURE_DEBUG([title_default_debug])
+
+dnl *********************************
+dnl *** Substitute platform flags ***
+dnl *********************************
+AC_MSG_CHECKING([PLATFORM_CPPFLAGS])
+AC_MSG_RESULT([$PLATFORM_CPPFLAGS])
+AC_SUBST([PLATFORM_CPPFLAGS])
+AC_MSG_CHECKING([PLATFORM_CFLAGS])
+AC_MSG_RESULT([$PLATFORM_CFLAGS])
+AC_SUBST([PLATFORM_CFLAGS])
+AC_MSG_CHECKING([PLATFORM_LDFLAGS])
+AC_MSG_RESULT([$PLATFORM_LDFLAGS])
+AC_SUBST([PLATFORM_LDFLAGS])
+
+AC_CONFIG_FILES([
+Makefile
+icons/Makefile
+icons/48x48/Makefile
+icons/scalable/Makefile
+panel-plugin/Makefile
+])
+AC_OUTPUT
+
+dnl ***************************
+dnl *** Print configuration ***
+dnl ***************************
+echo
+echo "Build Configuration:"
+echo
+echo "* Debug Support:    $enable_debug"
+echo
diff --git a/panel-plugin/Makefile.am b/panel-plugin/Makefile.am
new file mode 100644
index 0000000..fe8fc8a
--- /dev/null
+++ b/panel-plugin/Makefile.am
@@ -0,0 +1,49 @@
+AM_CPPFLAGS = \
+	-I$(top_srcdir) \
+	-DG_LOG_DOMAIN=\"xfce4-title-plugin\" \
+	-DPACKAGE_LOCALE_DIR=\"$(localedir)\" \
+	-DWNCK_I_KNOW_THIS_IS_UNSTABLE \
+	$(PLATFORM_CPPFLAGS)
+
+#
+# Title plugin
+#
+plugin_LTLIBRARIES = \
+	libtitle.la
+
+plugindir = \
+	$(libdir)/xfce4/panel/plugins
+
+libtitle_la_SOURCES = \
+	title.c
+
+libtitle_la_CFLAGS = \
+	$(LIBXFCE4UTIL_CFLAGS) \
+	$(LIBXFCE4UI_CFLAGS) \
+	$(LIBXFCE4PANEL_CFLAGS) \
+	$(LIBWNCK_CFLAGS) \
+	$(PLATFORM_CFLAGS)
+
+libtitle_la_LDFLAGS = \
+       -avoid-version \
+       -module \
+       -no-undefined \
+       -export-symbols-regex '^xfce_panel_module_(preinit|init|construct)' \
+       $(PLATFORM_LDFLAGS)
+
+libtitle_la_LIBADD = \
+	$(LIBXFCE4UTIL_LIBS) \
+	$(LIBXFCE4UI_LIBS) \
+	$(LIBWNCK_LIBS) \
+	$(LIBXFCE4PANEL_LIBS)
+
+#
+# Desktop file
+#
+desktopdir =								\
+	$(datadir)/xfce4/panel/plugins
+
+desktop_DATA =								\
+	title.desktop
+
+# vi:set ts=8 sw=8 noet ai nocindent syntax=automake:
diff --git a/panel-plugin/title.c b/panel-plugin/title.c
new file mode 100644
index 0000000..2252271
--- /dev/null
+++ b/panel-plugin/title.c
@@ -0,0 +1,230 @@
+#include <gtk/gtk.h>
+
+#include <libxfce4panel/xfce-panel-plugin.h>
+#include <libxfce4panel/libxfce4panel.h>
+
+#include <libwnck/libwnck.h>
+
+#include <glib.h>
+#include <glib-object.h>
+
+typedef struct {
+	XfcePanelPlugin *plugin;
+
+	GtkWidget *button;
+	GtkWidget *label;
+	GtkWidget *menu;
+
+	WnckScreen *screen;
+	WnckWindow *window;
+
+	gint screen_id;
+	gint wnck_screen_id;
+	gint wnck_window_id;
+} TitlePlugin;
+
+static void title_construct(XfcePanelPlugin *plugin);
+
+XFCE_PANEL_PLUGIN_REGISTER(title_construct);
+
+static void title_free(XfcePanelPlugin *plugin, TitlePlugin *title)
+{
+	if (title->screen_id != 0)
+		g_signal_handler_disconnect(plugin, title->screen_id);
+
+	if (title->wnck_screen_id != 0)
+		g_signal_handler_disconnect(title->screen, title->wnck_screen_id);
+
+	if (title->wnck_window_id != 0)
+		g_signal_handler_disconnect(title->window, title->wnck_window_id);
+
+	if (title->menu != NULL)
+		gtk_widget_destroy(title->menu);
+
+	title->screen_id = 0;
+	title->wnck_screen_id = 0;
+	title->wnck_window_id = 0;
+
+	gtk_widget_destroy(title->button);
+	panel_slice_free(TitlePlugin, title);
+}
+
+static gboolean title_size_changed(XfcePanelPlugin *plugin,
+				   gint size,
+				   G_GNUC_UNUSED TitlePlugin *title)
+{
+	GtkOrientation orientation;
+
+	orientation = xfce_panel_plugin_get_orientation(plugin);
+
+	if (orientation == GTK_ORIENTATION_HORIZONTAL)
+		gtk_widget_set_size_request(GTK_WIDGET(plugin), -1, size);
+	else
+		gtk_widget_set_size_request(GTK_WIDGET(plugin), size, -1);
+
+	return TRUE;
+}
+
+static void title_update_label(TitlePlugin *title, const char *label)
+{
+	gtk_label_set_label(GTK_LABEL(title->label), label);
+	gtk_widget_set_tooltip_text(title->button, label);
+}
+
+static void title_window_name_changed(WnckWindow *window,
+					     TitlePlugin *title)
+{
+	const gchar *name = wnck_window_get_name(window);
+	title_update_label(title, name);
+}
+
+static int title_check_type(WnckWindow *window)
+{
+	WnckWindowType type = wnck_window_get_window_type(window);
+
+	switch (type) {
+	case WNCK_WINDOW_NORMAL:
+	case WNCK_WINDOW_DIALOG:
+		return 0;
+
+	default:
+		break;
+	}
+
+	return 1;
+}
+
+static void title_window_changed(WnckScreen *screen,
+				 G_GNUC_UNUSED WnckWindow *window_,
+				 TitlePlugin *title)
+{
+	WnckWindow *window;
+	const gchar *name = NULL;
+
+	if (title->wnck_window_id != 0) {
+		g_signal_handler_disconnect(title->window, title->wnck_window_id);
+		title->wnck_window_id = 0;
+		title->window = NULL;
+	}
+
+	window = wnck_screen_get_active_window(screen);
+
+	if (window == NULL || title_check_type(window))
+		gtk_widget_hide(title->button);
+	else {
+		title->window = window;
+
+		name = wnck_window_get_name(window);
+
+		title->wnck_window_id = g_signal_connect(
+			window, "name-changed",
+			G_CALLBACK(title_window_name_changed), title
+		);
+
+		gtk_widget_show(title->button);
+	}
+
+	title_update_label(title, name);
+}
+
+static void title_screen_changed(XfcePanelPlugin *plugin,
+				 GdkScreen *screen,
+				 TitlePlugin *title)
+{
+	if (title->wnck_screen_id != 0) {
+		g_signal_handler_disconnect(title->screen, title->wnck_screen_id);
+		title->wnck_screen_id = 0;
+	}
+
+	if (title->wnck_window_id != 0) {
+		g_signal_handler_disconnect(title->window, title->wnck_window_id);
+		title->wnck_window_id = 0;
+		title->window = NULL;
+	}
+
+	screen = gtk_widget_get_screen(GTK_WIDGET(plugin));
+	if (screen != NULL) {
+		G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+		title->screen = wnck_screen_get(gdk_screen_get_number(screen));
+		G_GNUC_END_IGNORE_DEPRECATIONS
+
+		title->wnck_screen_id = g_signal_connect(
+			title->screen, "active-window-changed",
+			G_CALLBACK(title_window_changed), title
+		);
+
+		title_window_changed(title->screen, NULL, title);
+	}
+}
+
+static void title_menu_destroy(GtkWidget *menu, TitlePlugin *title)
+{
+	gtk_widget_destroy(menu);
+	title->menu = NULL;
+}
+
+static void title_pressed(GtkButton *button, TitlePlugin *title)
+{
+	if (title->menu != NULL)
+		gtk_widget_destroy(title->menu);
+
+	if (title->window != NULL) {
+		GtkWidget *menu = wnck_action_menu_new(title->window);
+
+		title->menu = menu;
+
+		g_signal_connect(G_OBJECT(menu), "selection-done", G_CALLBACK(title_menu_destroy), title);
+		gtk_menu_attach_to_widget(GTK_MENU(menu), GTK_WIDGET(button), NULL);
+		gtk_menu_popup_at_pointer(GTK_MENU(menu), NULL);
+	}
+}
+
+static TitlePlugin *title_new(XfcePanelPlugin *plugin)
+{
+	TitlePlugin *title;
+
+	title = g_slice_new0(TitlePlugin);
+
+	title->plugin = plugin;
+
+	title->button = xfce_create_panel_button();
+	gtk_widget_show(title->button);
+
+	title->label = gtk_label_new(NULL);
+	gtk_label_set_ellipsize(GTK_LABEL(title->label), PANGO_ELLIPSIZE_END);
+	gtk_widget_show(title->label);
+
+	gtk_container_add(GTK_CONTAINER(title->button), title->label);
+
+	return title;
+}
+
+static void title_construct(XfcePanelPlugin *plugin)
+{
+	TitlePlugin *title;
+
+	title = title_new(plugin);
+
+	gtk_container_add(GTK_CONTAINER(plugin), title->button);
+
+	xfce_panel_plugin_add_action_widget(plugin, title->button);
+	xfce_panel_plugin_set_expand(plugin, TRUE);
+
+	g_signal_connect(plugin, "free-data",
+			 G_CALLBACK(title_free), title);
+
+	g_signal_connect(plugin, "size-changed",
+			 G_CALLBACK(title_size_changed), NULL);
+
+	g_signal_connect(title->button, "pressed",
+			 G_CALLBACK(title_pressed), title);
+
+	title_screen_changed(plugin, gtk_widget_get_screen(title->button),
+			     title);
+
+	title->screen_id = g_signal_connect(
+		plugin, "screen-changed",
+		G_CALLBACK(title_screen_changed), title
+	);
+}
+
diff --git a/panel-plugin/title.desktop b/panel-plugin/title.desktop
new file mode 100644
index 0000000..eeaf6dc
--- /dev/null
+++ b/panel-plugin/title.desktop
@@ -0,0 +1,10 @@
+[Xfce Panel]
+Type=X-XFCE-PanelPlugin
+Encoding=UTF-8
+Name=Title Plugin
+Comment=Show title of active window
+Icon=xfce4-title-plugin
+X-XFCE-Module=title
+X-XFCE-Internal=false
+X-XFCE-Unique=false
+X-XFCE-API=2.0