- Done some more experimental work on the tree widget, indeed I hoped gtk were a more developer-friendly toolkit than it is...

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@843 3ecf2c5c-341e-0410-92b4-d18e462d057c

Makefile.am

@@ -294,6 +294,7 @@ sgpemv2_SOURCES = \
 	src/gui_builder.cc \
 	src/main.cc \
 	src/parse_opts.cc \
+	src/schedulables_tree_widget.cc \
 	src/schedulables_widget.cc \
 	src/text_simulation.cc
 
@@ -303,6 +304,7 @@ noinst_HEADERS += \
 	src/gui_builder.hh \
 	src/main.hh \
 	src/parse_opts.hh \
+	src/schedulables_tree_widget.hh \
 	src/schedulables_widget.hh \
 	src/text_simulation.hh
 

src/schedulables_tree_widget.cc

@@ -19,18 +19,24 @@
 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 
 #include "schedulables_tree_widget.hh"
+#include <iostream>
+#include <gtk/gtk.h>
 
 using namespace sgpem;
 using namespace Gtk;
 using namespace Glib;
+using Gnome::Glade::Xml;
 
-SchedulablesTreeWidget::SchedulablesTreeWidget()
+SchedulablesTreeWidget::SchedulablesTreeWidget() :
+  _add_process_dialog_glade(Xml::create(GLADEDIR "/add-process-dialog.glade"))
 {
   _columns.add(_column);
   _model = TreeStore::create(_columns);
   
   set_model(_model);
 
+/** JUST A BIT OF DATA FOR TESTING **/
+  
   Gtk::TreeModel::Row row1 = *(_model->append());
   row1[_column] = ustring("ciccio");
 
@@ -38,9 +44,53 @@ SchedulablesTreeWidget::SchedulablesTreeWidget()
   row2[_column] = ustring("pippo");
 
   append_column("schedulables", _column);
+
+/** POPUP MENU **/
+  
+  _action_group = Gtk::ActionGroup::create();
+
+//  _action_group->add( Gtk::Action::create("ContextMenu", "Schedulables") );
+//  _action_group->add( Gtk::Action::create("Add Process", Gtk::Stock::NEW),
+//      sigc::mem_fun(*this, &SchedulablesTreeWidget::on_action_file_new) );
+  _action_group->add( Gtk::Action::create("AddProcess", "Add Process"),
+      sigc::mem_fun(*this, &SchedulablesTreeWidget::_on_add_process) );
+  //_action_group->add( Gtk::Action::create("Quit", Gtk::Stock::QUIT),
+  //    sigc::mem_fun(*this, &SchedulablesTreeWidget::on_action_file_quit) );   
+
+  _UIManager = Gtk::UIManager::create();
+  _UIManager->insert_action_group(_action_group);
+
+  Glib::ustring ui_info = 
+        "<ui>"
+        "  <popup name='PopupMenu'>"
+//        "    <menuitem action='ContextMenu'/>"
+        "    <menuitem action='AddProcess'/>"
+        "  </popup>"
+        "</ui>";
+
+  _UIManager->add_ui_from_string(ui_info);
+  _menu = dynamic_cast<Gtk::Menu*>(_UIManager->get_widget("/PopupMenu"));
+
+/** DIALOGS **/
+  _add_process_dialog_glade->get_widget("AddProcessDialog", _add_process_dialog);
+  //FIXME why do I need to call this? Is it reasonable?
+  _add_process_dialog->hide();
+  
   set_headers_visible(false);
 }
 
+bool SchedulablesTreeWidget::on_button_press_event(GdkEventButton* event)
+{
+  TreeView::on_button_press_event(event);
+  
+  if( (event->type == GDK_BUTTON_PRESS) && (event->button == 3) )
+  {
+    _menu->popup(event->button, event->time);
+    return true; //It has been handled.
+  }
+  else
+    return false;
+}
 
 SchedulablesTreeWidget::~SchedulablesTreeWidget()
 {}
@@ -49,3 +99,18 @@ void
 SchedulablesTreeWidget::update(const History& history)
 {
 }
+
+void
+SchedulablesTreeWidget::_on_add_process()
+{
+  switch(_add_process_dialog->run())
+  {
+  case RESPONSE_OK:
+    std::cout << "added the process ;-)\n";
+    break;
+  default:
+    std::cout << "operation cancelled ;-)\n";
+  }
+
+  _add_process_dialog->hide();
+}

src/schedulables_tree_widget.hh

@@ -25,6 +25,11 @@
 
 #include <gtkmm/treeview.h>
 #include <gtkmm/treestore.h>
+#include <gtkmm/menu.h>
+#include <gtkmm/uimanager.h>
+#include <gtkmm/actiongroup.h>
+#include <gtkmm/dialog.h>
+#include <libglademm/xml.h>
 
 #include "backend/history_observer.hh"
 
@@ -42,10 +47,19 @@ namespace sgpem
 
     virtual void update(const History& history);
     
+    bool on_button_press_event(GdkEventButton* event);
+
   private:
+    void _on_add_process();
+    
     Glib::RefPtr<Gtk::TreeStore> _model;
     Gtk::TreeModelColumnRecord _columns;
     Gtk::TreeModelColumn<Glib::ustring> _column;
+    Glib::RefPtr<Gtk::ActionGroup> _action_group;
+    Glib::RefPtr<Gtk::UIManager> _UIManager;
+    Gtk::Menu* _menu;
+    Glib::RefPtr<Gnome::Glade::Xml> _add_process_dialog_glade;
+    Gtk::Dialog* _add_process_dialog;
   };
 
 } //~ namespace sgpem