Add File->Draw to render patch to graphviz (which can then be used to draw to PDF or SVG or PNG or whatever).

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1810 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 64 insertions, 0 deletions

diff --git a/src/gui/PatchWindow.cpp b/src/gui/PatchWindow.cpp
index 30806c7c..7d9980df 100644
--- a/src/gui/PatchWindow.cpp
+++ b/src/gui/PatchWindow.cpp
@@ -69,6 +69,7 @@ PatchWindow::PatchWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glad
 	xml->get_widget("patch_save_menuitem", _menu_save);
 	xml->get_widget("patch_save_as_menuitem", _menu_save_as);
 	xml->get_widget("patch_upload_menuitem", _menu_upload);
+	xml->get_widget("patch_draw_menuitem", _menu_draw);
 	xml->get_widget("patch_edit_controls_menuitem", _menu_edit_controls);
 	xml->get_widget("patch_cut_menuitem", _menu_cut);
 	xml->get_widget("patch_copy_menuitem", _menu_copy);
@@ -106,6 +107,8 @@ PatchWindow::PatchWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glad
 		sigc::mem_fun(this, &PatchWindow::event_save_as));
 	_menu_upload->signal_activate().connect(
 		sigc::mem_fun(this, &PatchWindow::event_upload));
+	_menu_draw->signal_activate().connect(
+		sigc::mem_fun(this, &PatchWindow::event_draw));
 	_menu_edit_controls->signal_activate().connect(
 		sigc::mem_fun(this, &PatchWindow::event_edit_controls));
 	_menu_copy->signal_activate().connect(
@@ -460,6 +463,49 @@ PatchWindow::event_upload()
 
 
 void
+PatchWindow::event_draw()
+{
+	Gtk::FileChooserDialog dialog(*this, "Draw to DOT", Gtk::FILE_CHOOSER_ACTION_SAVE);
+	
+	dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+	Gtk::Button* save_button = dialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_OK);	
+	save_button->property_has_default() = true;
+	
+	int result = dialog.run();
+	
+	if (result == Gtk::RESPONSE_OK) {	
+		string filename = dialog.get_filename();
+		if (filename.find(".") == string::npos)
+			filename += ".dot";
+
+		bool confirm = false;
+		std::fstream fin;
+		fin.open(filename.c_str(), std::ios::in);
+		if (fin.is_open()) {  // File exists
+			const string msg = string("File exists!\n")
+				+ "Are you sure you want to overwrite " + filename + "?";
+			Gtk::MessageDialog confirm_dialog(*this,
+				msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_YES_NO, true);
+			if (confirm_dialog.run() == Gtk::RESPONSE_YES)
+				confirm = true;
+			else
+				confirm = false;
+		} else {  // File doesn't exist
+			confirm = true;
+		}
+		fin.close();
+		
+		if (confirm) {
+			_view->canvas()->render_to_dot(filename);
+			_status_bar->push(
+					(boost::format("Rendered %1% to %2%") % _patch->path() % filename).str(),
+					STATUS_CONTEXT_PATCH);
+		}
+	}
+}
+
+
+void
 PatchWindow::event_edit_controls()
 {
 	if (_view)
diff --git a/src/gui/PatchWindow.hpp b/src/gui/PatchWindow.hpp
index 5cfa2936..007d51b7 100644
--- a/src/gui/PatchWindow.hpp
+++ b/src/gui/PatchWindow.hpp
@@ -85,6 +85,7 @@ private:
 	void event_save();
 	void event_save_as();
 	void event_upload();
+	void event_draw();
 	void event_edit_controls();
 	void event_copy();
 	void event_paste();
@@ -119,6 +120,7 @@ private:
 	Gtk::MenuItem*      _menu_save;
 	Gtk::MenuItem*      _menu_save_as;
 	Gtk::MenuItem*      _menu_upload;
+	Gtk::MenuItem*      _menu_draw;
 	Gtk::CheckMenuItem* _menu_edit_controls;
 	Gtk::MenuItem*      _menu_cut;
 	Gtk::MenuItem*      _menu_copy;
diff --git a/src/gui/ingen_gui.glade b/src/gui/ingen_gui.glade
index 402e5466..b10e0425 100644
--- a/src/gui/ingen_gui.glade
+++ b/src/gui/ingen_gui.glade
@@ -103,6 +103,22 @@
                       </widget>
                     </child>
                     <child>
+                      <widget class="GtkImageMenuItem" id="patch_draw_menuitem">
+                        <property name="visible">True</property>
+                        <property name="label" translatable="yes">_Draw...</property>
+                        <property name="use_underline">True</property>
+                        <signal name="activate" handler="on_patch_draw_menuitem_activate"/>
+                        <accelerator key="P" modifiers="GDK_CONTROL_MASK" signal="activate"/>
+                        <child internal-child="image">
+                          <widget class="GtkImage" id="image2127">
+                            <property name="visible">True</property>
+                            <property name="stock">gtk-print</property>
+                            <property name="icon_size">1</property>
+                          </widget>
+                        </child>
+                      </widget>
+                    </child>
+                    <child>
                       <widget class="GtkSeparatorMenuItem" id="separator11">
                         <property name="visible">True</property>
                       </widget>