From 00a70f10f4c5c273a783f87f61e9d98b9d79deca Mon Sep 17 00:00:00 2001
From: Tavmjong Bah <tavmjong@free.fr>
Date: Mon, 22 Jun 2015 16:13:38 +0200
Subject: Add simple GUI for 'font-feature-settings'.

(bzr r14208)
---
 src/ui/widget/font-variants.cpp | 46 ++++++++++++++++++++++++++++++++++++++++-
 src/ui/widget/font-variants.h   | 12 ++++++++++-
 2 files changed, 56 insertions(+), 2 deletions(-)

(limited to 'src/ui/widget')

diff --git a/src/ui/widget/font-variants.cpp b/src/ui/widget/font-variants.cpp
index 637631fda..7a1e02839 100644
--- a/src/ui/widget/font-variants.cpp
+++ b/src/ui/widget/font-variants.cpp
@@ -68,6 +68,9 @@ namespace Widget {
     _numeric_ordinal          ( Glib::ustring(_("Ordinal"      )) ),
     _numeric_slashed_zero     ( Glib::ustring(_("Slashed Zero" )) ),
 
+    _feature_frame            ( Glib::ustring(_("Feature Settings")) ),
+    _feature_label            ( Glib::ustring(_("Selection has different Feature Settings!")) ),
+    
     _ligatures_changed( false ),
     _position_changed( false ),
     _caps_changed( false ),
@@ -231,6 +234,21 @@ namespace Widget {
     add( _numeric_frame );
     
 
+    // Feature settings ---------------------
+
+    // Add tooltips
+    _feature_entry.set_tooltip_text( _("Feature settings in CSS form. No sanity checking is performed."));
+
+    // Add to frame
+    _feature_vbox.add( _feature_entry );
+    _feature_vbox.add( _feature_label );
+    _feature_frame.add( _feature_vbox );
+    add( _feature_frame );
+
+    // Add signals
+    //_feature_entry.signal_key_press_event().connect ( sigc::mem_fun(*this, &FontVariants::feature_callback) );
+    _feature_entry.signal_changed().connect( sigc::mem_fun(*this, &FontVariants::feature_callback) );
+    
     show_all_children();
 
   }
@@ -283,9 +301,21 @@ namespace Widget {
       _changed_signal.emit();
   }
 
+  void
+  FontVariants::feature_init() {
+      // std::cout << "FontVariants::feature_init()" << std::endl;
+  }
+  
+  void
+  FontVariants::feature_callback() {
+      // std::cout << "FontVariants::feature_callback()" << std::endl;
+      _feature_changed = true;
+      _changed_signal.emit();
+  }
+
   // Update GUI based on query.
   void
-  FontVariants::update( SPStyle const *query ) {
+  FontVariants::update( SPStyle const *query, bool different_features ) {
 
       _ligatures_all = query->font_variant_ligatures.computed;
       _ligatures_mix = query->font_variant_ligatures.value;
@@ -370,10 +400,19 @@ namespace Widget {
       _numeric_ordinal.set_inconsistent(      _numeric_mix & SP_CSS_FONT_VARIANT_NUMERIC_ORDINAL );
       _numeric_slashed_zero.set_inconsistent( _numeric_mix & SP_CSS_FONT_VARIANT_NUMERIC_SLASHED_ZERO );
 
+      if( query->font_feature_settings.value )
+          _feature_entry.set_text( query->font_feature_settings.value );
+      if( different_features ) {
+          _feature_label.show();
+      } else {
+          _feature_label.hide();
+      }
+
       _ligatures_changed = false;
       _position_changed  = false;
       _caps_changed      = false;
       _numeric_changed   = false;
+      _feature_changed   = false;
   }
 
   void
@@ -494,6 +533,11 @@ namespace Widget {
           sp_repr_css_set_property(css, "font-variant-numeric", css_string.c_str() );
       }
 
+      // Feature settings
+      Glib::ustring feature_string = _feature_entry.get_text();
+      if( !feature_string.empty() || feature_string.compare( "normal" ) ) {
+          sp_repr_css_set_property(css, "font-feature-settings", feature_string.c_str());
+      }
   }
    
 } // namespace Widget
diff --git a/src/ui/widget/font-variants.h b/src/ui/widget/font-variants.h
index e6a9dd68b..ca41c050b 100644
--- a/src/ui/widget/font-variants.h
+++ b/src/ui/widget/font-variants.h
@@ -13,6 +13,7 @@
 #include <gtkmm/expander.h>
 #include <gtkmm/checkbutton.h>
 #include <gtkmm/radiobutton.h>
+#include <gtkmm/entry.h>
 
 class SPDesktop;
 class SPObject;
@@ -81,6 +82,11 @@ protected:
     Gtk::CheckButton    _numeric_ordinal;
     Gtk::CheckButton    _numeric_slashed_zero;
 
+    Gtk::Expander       _feature_frame;
+    Gtk::VBox           _feature_vbox;
+    Gtk::Entry          _feature_entry;
+    Gtk::Label          _feature_label;
+    
 private:
     void ligatures_init();
     void ligatures_callback();
@@ -94,6 +100,9 @@ private:
     void numeric_init();
     void numeric_callback();
 
+    void feature_init();
+    void feature_callback();
+
     // To determine if we need to write out property (may not be necessary)
     unsigned _ligatures_all;
     unsigned _position_all;
@@ -109,6 +118,7 @@ private:
     bool _position_changed;
     bool _caps_changed;
     bool _numeric_changed;
+    bool _feature_changed;
 
     sigc::signal<void> _changed_signal;
 
@@ -117,7 +127,7 @@ public:
     /**
      * Update GUI based on query results.
      */
-    void update( SPStyle const *query );
+    void update( SPStyle const *query, bool different_features );
 
     /**
      * Fill SPCSSAttr based on settings of buttons.
-- 
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