[regexxer] Add syntax highlighting with gtksourceviewmm

[Fabien Parent <fparent src gnome org>]

commit c9cc98f959514880d5f879346b50d6c0592dfbc2
Author: Fabien Parent <parent f gmail com>
Date:   Tue Aug 4 22:05:13 2009 +0200

    Add syntax highlighting with gtksourceviewmm

 configure.ac      |    2 +-
 src/filebuffer.cc |    2 +-
 src/filebuffer.h  |    4 ++--
 src/fileio.cc     |   10 ++++++++++
 src/main.cc       |    4 ++++
 src/mainwindow.cc |    9 +++++++--
 src/mainwindow.h  |    9 +++++++--
 ui/mainwindow.ui  |    7 +------
 8 files changed, 33 insertions(+), 14 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2f7a71d..6479395 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,7 +39,7 @@ AM_GLIB_GNU_GETTEXT
 # so that libglade can get at the custom widget creation functions.
 PKG_CHECK_MODULES([REGEXXER_MODULES],
                   [gtk+-2.0 >= 2.16.0 gtkmm-2.4 >= 2.12.0 gconfmm-2.6 >= 2.6.1
-                  libpcre >= 5.0 gtksourceviewmm-2.0 >= 2.4])
+                  libpcre >= 5.0 gtksourceviewmm-2.0 >= 2.3.1])
 
 DK_PKG_PATH_PROG([GDK_PIXBUF_CSOURCE], [gdk-pixbuf-2.0], [gdk-pixbuf-csource])
 DK_PKG_PATH_PROG([GTK_UPDATE_ICON_CACHE], [gtk+-2.0], [gtk-update-icon-cache])
diff --git a/src/filebuffer.cc b/src/filebuffer.cc
index 2f4642e..f1ce216 100644
--- a/src/filebuffer.cc
+++ b/src/filebuffer.cc
@@ -160,7 +160,7 @@ public:
 
 FileBuffer::FileBuffer()
 :
-  Gtk::TextBuffer       (RegexxerTags::instance()),
+  gtksourceview::SourceBuffer(Glib::RefPtr<Gtk::TextTagTable>(RegexxerTags::instance())),
   match_set_            (),
   current_match_        (match_set_.end()),
   user_action_stack_    (),
diff --git a/src/filebuffer.h b/src/filebuffer.h
index 64bb45b..f4b542d 100644
--- a/src/filebuffer.h
+++ b/src/filebuffer.h
@@ -25,7 +25,7 @@
 #include "signalutils.h"
 #include "undostack.h"
 
-#include <gtkmm/textbuffer.h>
+#include <gtksourceviewmm/sourcebuffer.h>
 #include <set>
 #include <stack>
 
@@ -36,7 +36,7 @@ namespace Regexxer
 class FileBufferActionRemoveMatch;
 
 
-class FileBuffer : public Gtk::TextBuffer
+class FileBuffer : public gtksourceview::SourceBuffer
 {
 public:
   static Glib::RefPtr<FileBuffer> create();
diff --git a/src/fileio.cc b/src/fileio.cc
index 48376da..ada4d4f 100644
--- a/src/fileio.cc
+++ b/src/fileio.cc
@@ -25,8 +25,11 @@
 
 #include <glib.h>
 #include <glibmm.h>
+#include <giomm.h>
+#include <gtksourceviewmm.h> 
 #include <cstring>
 
+namespace Gsv=gtksourceview;
 
 namespace
 {
@@ -154,6 +157,13 @@ void load_file(const FileInfoPtr& fileinfo, const std::string& fallback_encoding
   if (!buffer)
     throw ErrorBinaryFile();
 
+  Glib::RefPtr<Gsv::SourceLanguageManager> language_manager = Gsv::SourceLanguageManager::create();
+  
+  bool uncertain = false;
+  std::string content_type = Gio::content_type_guess(fileinfo->fullname, buffer->get_text(), uncertain);
+
+  buffer->set_highlight_syntax(true);
+  buffer->set_language(language_manager->guess_language(fileinfo->fullname, content_type));
   buffer->set_modified(false);
 
   fileinfo->encoding    = encoding;
diff --git a/src/main.cc b/src/main.cc
index f59f9a4..6648379 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -34,6 +34,8 @@
 #include <gtkmm/stock.h>
 #include <gtkmm/stockitem.h>
 #include <gtkmm/window.h>
+#include <gtksourceviewmm/init.h>
+#include <giomm/init.h>
 
 #include <exception>
 #include <list>
@@ -242,6 +244,8 @@ int main(int argc, char** argv)
 
     std::auto_ptr<RegexxerOptions> options = RegexxerOptions::create();
     Gtk::Main main_instance (argc, argv, options->context());
+    gtksourceview::init();
+    Gio::init();
 
     Glib::set_application_name(PACKAGE_NAME);
     register_stock_items();
diff --git a/src/mainwindow.cc b/src/mainwindow.cc
index edbbbfd..b404452 100644
--- a/src/mainwindow.cc
+++ b/src/mainwindow.cc
@@ -29,6 +29,7 @@
 
 #include <glib.h>
 #include <gtkmm.h>
+#include <gtksourceviewmm.h>
 #include <gconfmm/client.h>
 #include <algorithm>
 #include <functional>
@@ -190,7 +191,8 @@ MainWindow::MainWindow()
   button_caseless_        (0),
   filetree_               (Gtk::manage(new FileTree())),
   scrollwin_filetree_     (0),
-  textview_               (0),
+  scrollwin_textview_     (0),
+  textview_               (Gtk::manage(new gtksourceview::SourceView())),
   entry_preview_          (0),
   statusline_             (Gtk::manage(new StatusLine())),
   busy_action_running_    (false),
@@ -207,9 +209,12 @@ MainWindow::MainWindow()
   scrollwin_filetree_->add(*filetree_);
   table_file_->attach(*combo_entry_pattern_, 1, 2, 1, 2);
   
+  scrollwin_textview_->add(*textview_);
+  
   statusline_->show_all();
   filetree_->show_all();
   combo_entry_pattern_->show_all();
+  scrollwin_textview_->show_all();
   
   connect_signals();
 }
@@ -281,7 +286,7 @@ void MainWindow::load_xml()
   xml->get_widget("entry_substitution",  entry_substitution_);
   xml->get_widget("button_multiple",     button_multiple_);
   xml->get_widget("button_caseless",     button_caseless_);
-  xml->get_widget("textview",            textview_);
+  xml->get_widget("scrollwin_textview",  scrollwin_textview_);
   xml->get_widget("entry_preview",       entry_preview_);
   xml->get_widget("vbox_main",           vbox_main_);
   xml->get_widget("scrollwin_filetree",  scrollwin_filetree_);
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 315f772..a915e86 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -39,7 +39,6 @@ class CheckButton;
 class Dialog;
 class Entry;
 class FileChooser;
-class TextView;
 class Toolbar;
 class Window;
 class ComboBoxEntryText;
@@ -48,6 +47,11 @@ class ScrolledWindow;
 class Table;
 }
 
+namespace gtksourceview
+{
+class SourceView;
+}
+
 namespace Gnome { namespace Conf { class Value; } }
 
 namespace Regexxer
@@ -107,7 +111,8 @@ private:
 
   FileTree*                   filetree_;
   Gtk::ScrolledWindow*        scrollwin_filetree_;
-  Gtk::TextView*              textview_;
+  Gtk::ScrolledWindow*        scrollwin_textview_;
+  gtksourceview::SourceView*  textview_;
   Gtk::Entry*                 entry_preview_;
 
   StatusLine*                 statusline_;
diff --git a/ui/mainwindow.ui b/ui/mainwindow.ui
index d00fcf9..5c4a855 100644
--- a/ui/mainwindow.ui
+++ b/ui/mainwindow.ui
@@ -674,12 +674,7 @@
                                 <property name="hscrollbar_policy">automatic</property>
                                 <property name="vscrollbar_policy">automatic</property>
                                 <child>
-                                  <object class="GtkTextView" id="textview">
-                                    <property name="visible">True</property>
-                                    <property name="can_focus">True</property>
-                                    <property name="editable">False</property>
-                                    <property name="cursor_visible">False</property>
-                                  </object>
+                                  <placeholder/>
                                 </child>
                               </object>
                               <packing>