[gitg/wip/spellcheck] Added basic spell checking support for commit message

[Jesse van den Kieboom <jessevdk src gnome org>]

commit bb962051211a3ad2201aa2b41cf84b983b96162e
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Jul 7 12:39:52 2013 +0200

    Added basic spell checking support for commit message

 configure.ac                          |    1 +
 data/org.gnome.gitg.gschema.xml.in.in |    6 +++
 gitg/Makefile.am                      |    1 +
 gitg/commit/gitg-commit-dialog.vala   |   63 ++++++++++++++++++++++++++++++++-
 4 files changed, 70 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5b66fb8..de08f18 100644
--- a/configure.ac
+++ b/configure.ac
@@ -176,6 +176,7 @@ PKG_CHECK_MODULES(GITG, [
        gsettings-desktop-schemas
        libpeas-1.0 >= $LIBPEAS_REQUIRED_VERSION
        libpeas-gtk-1.0 >= $LIBPEAS_GTK_REQUIRED_VERSION
+       gtkspell3-3.0
 ])
 
 GITG_CFLAGS="$LIBGITG_CFLAGS $GITG_CFLAGS"
diff --git a/data/org.gnome.gitg.gschema.xml.in.in b/data/org.gnome.gitg.gschema.xml.in.in
index 40718c2..688f1a5 100644
--- a/data/org.gnome.gitg.gschema.xml.in.in
+++ b/data/org.gnome.gitg.gschema.xml.in.in
@@ -113,6 +113,12 @@
         preference is set to TRUE.
       </_description>
     </key>
+    <key name="enable-spell-checking" type="b">
+      <default>true</default>
+    </key>
+    <key name="spell-checking-language" type="s">
+      <default>'EN_us'</default>
+    </key>
   </schema>
   <schema gettext-domain="@GETTEXT_PACKAGE@" id="org.gnome.gitg.preferences.hidden" 
path="/org/gnome/gitg/preferences/hidden/">
     <key name="sign-tag" type="b">
diff --git a/gitg/Makefile.am b/gitg/Makefile.am
index b433cad..044c863 100644
--- a/gitg/Makefile.am
+++ b/gitg/Makefile.am
@@ -25,6 +25,7 @@ AM_VALAFLAGS = \
        --pkg gd-1.0                                            \
        --pkg webkit2gtk-3.0                                    \
        --pkg gtksourceview-3.0                                 \
+       --pkg GtkSpell-3.0                                      \
        --girdir "$(top_builddir)/libgd"                        \
        --girdir "$(top_builddir)/libgitg"                      \
        --girdir "$(top_builddir)/libgitg-ext"                  \
diff --git a/gitg/commit/gitg-commit-dialog.vala b/gitg/commit/gitg-commit-dialog.vala
index 48a417f..adef994 100644
--- a/gitg/commit/gitg-commit-dialog.vala
+++ b/gitg/commit/gitg-commit-dialog.vala
@@ -55,6 +55,9 @@ class Dialog : Gtk.Dialog
        private Settings? d_message_settings;
        private Settings? d_font_settings;
        private Settings? d_commit_settings;
+       private bool d_enable_spell_checking;
+       private string d_spell_checking_language;
+       private GtkSpell.Checker? d_spell_checker;
 
        public GtkSource.View source_view_message
        {
@@ -144,7 +147,6 @@ class Dialog : Gtk.Dialog
                default = true;
        }
 
-
        [Notify]
        public int right_margin_position
        {
@@ -185,6 +187,55 @@ class Dialog : Gtk.Dialog
                }
        }
 
+       [Notify]
+       public string spell_checking_language
+       {
+               get { return d_spell_checking_language; }
+
+               set
+               {
+                       d_spell_checking_language = value;
+
+                       if (d_spell_checker != null)
+                       {
+                               d_spell_checker.set_language(value);
+                       }
+               }
+       }
+
+       [Notify]
+       public bool enable_spell_checking
+       {
+               get { return d_enable_spell_checking; }
+               set
+               {
+                       d_enable_spell_checking = value;
+
+                       if (d_enable_spell_checking)
+                       {
+                               if (d_spell_checker == null)
+                               {
+                                       d_spell_checker = new GtkSpell.Checker();
+                                       d_spell_checker.attach(d_source_view_message);
+
+                                       d_spell_checker.set_language(d_spell_checking_language);
+
+                                       d_spell_checker.language_changed.connect(() => {
+                                               spell_checking_language = d_spell_checker.get_language();
+                                       });
+                               }
+                       }
+                       else
+                       {
+                               if (d_spell_checker != null)
+                               {
+                                       d_spell_checker.detach();
+                                       d_spell_checker = null;
+                               }
+                       }
+               }
+       }
+
        private void load_author_info()
        {
                if (d_cancel_avatar != null)
@@ -298,6 +349,16 @@ class Dialog : Gtk.Dialog
                                        "subject-margin-position",
                                        SettingsBindFlags.GET);
 
+               d_message_settings.bind("enable-spell-checking",
+                                       this,
+                                       "enable-spell-checking",
+                                       SettingsBindFlags.GET | SettingsBindFlags.SET);
+
+               d_message_settings.bind("spell-checking-language",
+                                       this,
+                                       "spell-checking-language",
+                                       SettingsBindFlags.GET | SettingsBindFlags.SET);
+
                d_constructed = true;
 
                init_message_area();