From bf9e12f494b3ca8ba928844bbbaceb6b6ffd8855 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ball=C3=B3=20Gy=C3=B6rgy?= <ballogyor@gmail.com>
Date: Sat, 25 Jul 2015 00:36:58 +0200
Subject: [PATCH 2/2] Add styling support for GTK+ 3

Styling is done via CSS files. Add a default CSS style.
---
 Makefile.am          |  4 +++-
 README               |  6 ++++--
 data/lxlauncher.1.in |  5 ++++-
 gtk.css              | 26 ++++++++++++++++++++++++++
 src/lxlauncher.c     | 26 ++++++++++++++++++++++++++
 5 files changed, 63 insertions(+), 4 deletions(-)
 create mode 100644 gtk.css

diff --git a/Makefile.am b/Makefile.am
index d939271..e99f472 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,9 @@ conf_in_files=settings.conf.in
 conf_DATA=$(conf_in_files:.conf.in=.conf)
 
 themedir=$(confdir)
-theme_DATA=gtkrc
+theme_DATA=\
+	gtkrc \
+	gtk.css
 
 menufiledir=$(sysconfdir)/xdg/menus
 menufile_DATA=\
diff --git a/README b/README
index 3be4e9c..122ca01 100644
--- a/README
+++ b/README
@@ -16,7 +16,7 @@ Also, if you put the tab icons of Asus launcher under
 /usr/share/lxlauncher/icons, they will be used in the tabs.
 Otherwise, some icons from the gtk+ icon theme will be used instead.
 
-The LXLauncher has two configuration files to be tuned by users:
+The LXLauncher has three configuration files to be tuned by users:
 
 1) ~/.config/lxlauncher/settings.conf which is an init-style file with
 contents defaults as below:
@@ -25,7 +25,9 @@ contents defaults as below:
 BUTTON_SIZE = 120
 IMG_SIZE = 48
 
-2) ~/.config/lxlauncher/gtkrc which is an RC file with custom style.
+2) ~/.config/lxlauncher/gtkrc which is a GTK+ 2 RC file with custom style.
+
+3) ~/.config/lxlauncher/gtk.css which is a GTK+ 3 CSS file with custom style.
 
 Also one additional setting can be set in global GTK settings:
 
diff --git a/data/lxlauncher.1.in b/data/lxlauncher.1.in
index 3ce7193..79514df 100644
--- a/data/lxlauncher.1.in
+++ b/data/lxlauncher.1.in
@@ -17,7 +17,10 @@ specific application programs to one view under tabs.
 An init-style file with display settings
 .TP
 .I ~/.config/lxlauncher/gtkrc
-A GTK+ RC file with style definitions
+A GTK+ 2 RC file with style definitions
+.TP
+.I ~/.config/lxlauncher/gtk.css
+A GTK+ 3 CSS file with style definitions
 .SH AUTHOR
 lxlauncher was written by Hong Jen Yee <pcman.tw@gmail.com>.
 Some code was taken from guification plugin of gaim/pidgin and
diff --git a/gtk.css b/gtk.css
new file mode 100644
index 0000000..93407ee
--- /dev/null
+++ b/gtk.css
@@ -0,0 +1,26 @@
+GtkViewport {
+	background: none;
+}
+
+.notebook {
+	background: #3675AD;
+	font: Sans Bold 11;
+}
+
+.notebook > .frame,
+.notebook > .vertical {
+	background: #B7D6EA;
+}
+
+.notebook > .horizontal .label {
+	color: #B7D6EA;
+}
+
+.notebook > .horizontal.active-page .label {
+	color: #FFFFFF;
+}
+
+.notebook > .vertical .label,
+.button .label {
+	color: #3675AD;
+}
diff --git a/src/lxlauncher.c b/src/lxlauncher.c
index b6f566e..74d9d08 100644
--- a/src/lxlauncher.c
+++ b/src/lxlauncher.c
@@ -908,6 +908,31 @@ int main(int argc, char** argv)
     gchar *file;
 
     i = g_strv_length((char **)system_dirs);
+#if GTK_CHECK_VERSION(3,0,0)
+    while (i > 0)
+    {
+        file=g_build_filename(system_dirs[--i], "lxlauncher/gtk.css", NULL);
+        if (g_file_test(file, G_FILE_TEST_EXISTS) == TRUE)
+        {
+            GtkCssProvider *css = gtk_css_provider_new();
+            gtk_css_provider_load_from_path(css, file, NULL);
+            gtk_style_context_add_provider_for_screen(gdk_screen_get_default(),
+                    GTK_STYLE_PROVIDER(css),
+                    GTK_STYLE_PROVIDER_PRIORITY_USER);
+        }
+        free(file);
+    }
+    file=g_build_filename(g_get_user_config_dir(), "lxlauncher/gtk.css", NULL);
+    if (g_file_test(file, G_FILE_TEST_EXISTS) == TRUE)
+    {
+        GtkCssProvider *css = gtk_css_provider_new();
+        gtk_css_provider_load_from_path(css, file, NULL);
+        gtk_style_context_add_provider_for_screen(gdk_screen_get_default(),
+                GTK_STYLE_PROVIDER(css),
+                GTK_STYLE_PROVIDER_PRIORITY_USER);
+    }
+    free(file);
+#else
     while (i > 0)
     {
         file = g_build_filename(system_dirs[--i], "lxlauncher/gtkrc", NULL);
@@ -919,6 +944,7 @@ int main(int argc, char** argv)
     if (g_file_test(file, G_FILE_TEST_EXISTS) == TRUE)
         gtk_rc_parse(file);
     free(file);
+#endif
 
     button_size = g_key_file_get_integer(key_file, "Main", "BUTTON_SIZE", NULL);
     img_size = g_key_file_get_integer(key_file, "Main", "IMG_SIZE", NULL);
-- 
2.4.6