Re: [gtkmm] Treeview and multiple selection

[Karim Bernardet <bernardet karim wanadoo fr>]

Thanks for your answer !

I post below an example working ...

Karim.

*Makefile :*

all : main


examplewindow.o : examplewindow.cc
   g++ -c examplewindow.cc `pkg-config --cflags gtkmm-2.0`


main.o : main.cpp
   g++ -c main.cpp `pkg-config --cflags gtkmm-2.0`

main : main.o examplewindow.o
   g++ main.o examplewindow.o -o main `pkg-config --cflags --libs 
gtkmm-2.0`

*main.cpp :

*#include <gtkmm/main.h>
#include "examplewindow.h"

int main(int argc, char *argv[])
{
 Gtk::Main kit(argc, argv);

 ExampleWindow window;
 Gtk::Main::run(window);

 return 0;
}

*examplewindow.cc :


*#include <iostream>
#include "examplewindow.h"

ExampleWindow::ExampleWindow()
: m_Button_Quit("Quit")
{
 set_title("Gtk::TreeView (TreeStore) example");
 set_border_width(5);
 set_default_size(400, 200);


 add(m_VBox);

 //Add the TreeView, inside a ScrolledWindow, with the button underneath:
 m_ScrolledWindow.add(m_TreeView);

 //Only show the scrollbars when they are necessary:
 m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);

 m_VBox.pack_start(m_ScrolledWindow);
 m_VBox.pack_start(m_ButtonBox, Gtk::PACK_SHRINK);

 m_ButtonBox.pack_start(m_Button_Quit, Gtk::PACK_SHRINK);
 m_ButtonBox.set_border_width(5);
 m_ButtonBox.set_layout(Gtk::BUTTONBOX_END);
 m_Button_Quit.signal_clicked().connect( SigC::slot(*this, 
&ExampleWindow::on_button_quit) );

 //Create the Tree model:
 m_refTreeModel = Gtk::TreeStore::create(m_Columns);
 m_TreeView.set_model(m_refTreeModel);



 // Glib::RefPtr<Gtk::TreeSelection> selection;

selection =  m_TreeView.get_selection();
 selection->set_mode(Gtk::SELECTION_MULTIPLE);

 //   selection->selected_foreach(SigC::slot(*this, 
&ExampleWindow::selected_row_callback) );

    selection->signal_changed().connect(SigC::slot(*this, 
&ExampleWindow::on_selection_changed));



 //Fill the TreeView's model
 Gtk::TreeModel::Row row = *(m_refTreeModel->append());
 row[m_Columns.m_col_id] = 1;
 row[m_Columns.m_col_name] = "Billy Bob";


 row = *(m_refTreeModel->append());
 row[m_Columns.m_col_id] = 2;
 row[m_Columns.m_col_name] = "Joey Jojo";


 row = *(m_refTreeModel->append());
 row[m_Columns.m_col_id] = 3;
 row[m_Columns.m_col_name] = "Rob McRoberts";


 //Add the TreeView's view columns:
 m_TreeView.append_column("ID", m_Columns.m_col_id);
 m_TreeView.append_column("Name", m_Columns.m_col_name);

 show_all_children();
}

ExampleWindow::~ExampleWindow()
{
}

void ExampleWindow::on_button_quit()
{
 hide();
}
*

*void ExampleWindow::selected_row_callback(const 
Gtk::TreeModel::iterator& iter)
{
 std::cout << "selected_row_callback" << std::endl;
 Gtk::TreeModel::Row row = *iter;
 //Do something with the row.
}

void ExampleWindow::on_selection_changed()
{
 std::cout << "on_selection_changed" << std::endl;
 selection->selected_foreach(SigC::slot(*this, 
&ExampleWindow::selected_row_callback));
}*


examplewindow.h :*


#ifndef GTKMM_EXAMPLEWINDOW_H
#define GTKMM_EXAMPLEWINDOW_H

#include <gtkmm.h>

class ExampleWindow : public Gtk::Window
{
public:
 ExampleWindow();
 virtual ~ExampleWindow();

protected:
 //Signal handlers:
 virtual void on_button_quit();

 void selected_row_callback(const Gtk::TreeModel::iterator& iter);
 void on_selection_changed();

 //Tree model columns:
 class ModelColumns : public Gtk::TreeModel::ColumnRecord
 {
 public:

   ModelColumns()
   { add(m_col_id); add(m_col_name); }

   Gtk::TreeModelColumn<int> m_col_id;
   Gtk::TreeModelColumn<Glib::ustring> m_col_name;
 };

 ModelColumns m_Columns;

 //Child widgets:
 Gtk::VBox m_VBox;

 Gtk::ScrolledWindow m_ScrolledWindow;
 Gtk::TreeView m_TreeView;
 Glib::RefPtr<Gtk::TreeStore> m_refTreeModel;
Glib::RefPtr<Gtk::TreeSelection> selection;

 Gtk::HButtonBox m_ButtonBox;
 Gtk::Button m_Button_Quit;
};

#endif //GTKMM_EXAMPLEWINDOW_H