UnityShell: add FontSettings back

(bzr r3725.7.11)

3 files changed, 136 insertions, 0 deletions

diff --git a/unity-shared/CMakeLists.txt b/unity-shared/CMakeLists.txt
index b29a584cd..b56c77990 100644
--- a/unity-shared/CMakeLists.txt
+++ b/unity-shared/CMakeLists.txt
@@ -29,6 +29,7 @@ set (UNITY_SHARED_SOURCES
 DesktopApplicationManager.cpp
 EMConverter.cpp
 GnomeFileManager.cpp
+ FontSettings.cpp
 GraphicsUtils.cpp
 IMTextEntry.cpp
 IconLoader.cpp
diff --git a/unity-shared/FontSettings.cpp b/unity-shared/FontSettings.cpp
new file mode 100644
index 000000000..4da0e9679
--- /dev/null
+++ b/unity-shared/FontSettings.cpp
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2011 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authored by: Neil Jagdish Patel <neil.patel@canonical.com>
+ */
+
+#include "FontSettings.h"
+
+#include <cairo/cairo.h>
+
+#include <UnityCore/GLibWrapper.h>
+#include <sigc++/sigc++.h>
+
+namespace unity
+{
+
+FontSettings::FontSettings()
+{
+ GtkSettings* settings = gtk_settings_get_default();
+
+ sig_man_.Add<void, GtkSettings*, GParamSpec*>(settings, "notify::gtk-xft-hintstyle", sigc::mem_fun(this, &FontSettings::Refresh));
+ sig_man_.Add<void, GtkSettings*, GParamSpec*>(settings, "notify::gtk-xft-rgba", sigc::mem_fun(this, &FontSettings::Refresh));
+ sig_man_.Add<void, GtkSettings*, GParamSpec*>(settings, "notify::gtk-xft-antialias", sigc::mem_fun(this, &FontSettings::Refresh));
+
+ Refresh();
+}
+
+void FontSettings::Refresh(GtkSettings* unused0, GParamSpec* unused1)
+{
+ GtkSettings* settings = gtk_settings_get_default();
+ cairo_font_options_t* font_options = cairo_font_options_create();
+
+ {
+ cairo_subpixel_order_t order = CAIRO_SUBPIXEL_ORDER_DEFAULT;
+ glib::String value;
+ g_object_get(settings, "gtk-xft-rgba", &value, NULL);
+ gint antialias;
+ g_object_get(settings, "gtk-xft-antialias", &antialias, NULL);
+ 
+ if (value.Str() == "rgb")
+ order = CAIRO_SUBPIXEL_ORDER_RGB;
+ else if (value.Str() == "bgr")
+ order = CAIRO_SUBPIXEL_ORDER_BGR;
+ else if (value.Str() == "vrgb")
+ order = CAIRO_SUBPIXEL_ORDER_VRGB;
+ else if (value.Str() == "vbgr")
+ order = CAIRO_SUBPIXEL_ORDER_VBGR;
+
+ cairo_font_options_set_subpixel_order(font_options, order);
+ cairo_font_options_set_antialias(font_options,
+ value.Str() == "none" ? (antialias ? CAIRO_ANTIALIAS_GRAY : CAIRO_ANTIALIAS_NONE) 
+ : CAIRO_ANTIALIAS_SUBPIXEL);
+
+ }
+
+ {
+ cairo_hint_style_t style = CAIRO_HINT_STYLE_DEFAULT;
+ glib::String value;
+ g_object_get(settings, "gtk-xft-hintstyle", &value, NULL);
+ 
+ if (value.Str() == "hintnone")
+ style = CAIRO_HINT_STYLE_NONE;
+ else if (value.Str() == "hintslight")
+ style = CAIRO_HINT_STYLE_SLIGHT;
+ else if (value.Str() == "hintmedium")
+ style = CAIRO_HINT_STYLE_MEDIUM;
+ else if (value.Str() == "hintfull")
+ style = CAIRO_HINT_STYLE_FULL;
+
+ cairo_font_options_set_hint_style(font_options, style);
+ }
+ 
+ // FIXME: Where do we read this value from?
+ cairo_font_options_set_hint_metrics(font_options, CAIRO_HINT_METRICS_ON);
+
+ gdk_screen_set_font_options(gdk_screen_get_default(), font_options);
+ cairo_font_options_destroy(font_options);
+}
+
+}
diff --git a/unity-shared/FontSettings.h b/unity-shared/FontSettings.h
new file mode 100644
index 000000000..362d3e7f8
--- /dev/null
+++ b/unity-shared/FontSettings.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2011 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authored by: Neil Jagdish Patel <neil.patel@canonical.com>
+ */
+
+#ifndef UNITY_FONT_SETTINGS_H_
+#define UNITY_FONT_SETTINGS_H_
+
+#include <gtk/gtk.h>
+
+#include <UnityCore/GLibSignal.h>
+
+namespace unity
+{
+
+class FontSettings
+{
+public:
+ FontSettings();
+
+private:
+ void Refresh(GtkSettings* unused0=nullptr, GParamSpec* unused1=nullptr);
+
+private:
+ glib::SignalManager sig_man_;
+};
+
+}
+
+#endif