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/* Dialog and Message Boxes
*
* Dialog widgets are used to pop up a transient window for user feedback.
*/
#include <gtkmm.h>
#include <memory>
class Example_Dialog : public Gtk::Window
{
public:
Example_Dialog();
~Example_Dialog() override;
protected:
//Signal handlers:
void on_button_message();
void on_button_interactive();
void on_button_non_modal();
void on_non_modal_response(int response_id);
//Member widgets:
Gtk::Frame m_Frame;
Gtk::Box m_VBox, m_VBox2;
Gtk::Box m_HBox, m_HBox2;
Gtk::Button m_Button_Message;
Gtk::Button m_Button_Interactive;
Gtk::Button m_Button_NonModal;
Gtk::Grid m_Grid;
Gtk::Label m_Label1, m_Label2;
Gtk::Entry m_Entry1, m_Entry2;
gint m_count;
std::unique_ptr<Gtk::MessageDialog> m_non_modal_dialog;
};
class Dialog_Interactive : public Gtk::Dialog
{
public:
Dialog_Interactive(Gtk::Window& parent, const Glib::ustring& entry1, const Glib::ustring& entry2);
~Dialog_Interactive() override;
Glib::ustring get_entry1() const;
Glib::ustring get_entry2() const;
protected:
//Member widgets:
Gtk::Box m_HBox;
Gtk::Grid m_Grid;
Gtk::Label m_Label1, m_Label2;
Gtk::Entry m_Entry1, m_Entry2;
Gtk::Image m_Image;
};
//Called by DemoWindow;
Gtk::Window* do_dialog()
{
return new Example_Dialog();
}
Example_Dialog::Example_Dialog()
: m_Frame("Dialogs"),
m_VBox(Gtk::ORIENTATION_VERTICAL, 8),
m_HBox(Gtk::ORIENTATION_HORIZONTAL, 8),
m_HBox2(Gtk::ORIENTATION_HORIZONTAL, 8),
m_Button_Message("_Message Dialog", true),
m_Button_Interactive("_Interactive Dialog", true),
m_Button_NonModal("_Non-modal Dialog", true),
m_Label1("_Entry 1", true),
m_Label2("E_ntry 2", true)
{
m_count = 0;
set_title("Dialogs");
set_border_width(8);
add(m_Frame);
m_VBox.set_border_width(8);
m_Frame.add(m_VBox);
/* Standard message dialog */
m_VBox.pack_start(m_HBox, Gtk::PACK_SHRINK);
m_Button_Message.signal_clicked().connect(sigc::mem_fun(*this, &Example_Dialog::on_button_message));
m_HBox.pack_start(m_Button_Message, Gtk::PACK_SHRINK);
m_VBox.pack_start(*Gtk::make_managed<Gtk::Separator>(Gtk::ORIENTATION_HORIZONTAL), Gtk::PACK_SHRINK);
/* Interactive dialog*/
m_VBox.pack_start(m_HBox2, Gtk::PACK_SHRINK);
m_Button_Interactive.signal_clicked().connect(sigc::mem_fun(*this, &Example_Dialog::on_button_interactive));
m_HBox2.pack_start(m_VBox2, Gtk::PACK_SHRINK);
m_VBox2.pack_start(m_Button_Interactive, Gtk::PACK_SHRINK);
m_VBox.pack_start(*Gtk::make_managed<Gtk::Separator>(Gtk::ORIENTATION_HORIZONTAL), Gtk::PACK_SHRINK);
m_Grid.set_row_spacing(4);
m_Grid.set_column_spacing(4);
m_HBox2.pack_start(m_Grid, Gtk::PACK_SHRINK);
m_Grid.attach(m_Label1, 0, 0, 1, 1);
m_Grid.attach(m_Entry1, 1, 0, 1, 1);
m_Label1.set_mnemonic_widget(m_Entry1);
m_Grid.attach(m_Label2, 0, 1, 1, 1);
m_Grid.attach(m_Entry2, 1, 1, 1, 1);
m_Label2.set_mnemonic_widget(m_Entry2);
// Non-modal message dialog,
// i.e. a dialog that does not freeze the rest of the application.
m_VBox.pack_start(m_Button_NonModal, Gtk::PACK_SHRINK);
m_Button_NonModal.signal_clicked().connect(sigc::mem_fun(
*this, &Example_Dialog::on_button_non_modal));
show_all();
}
Example_Dialog::~Example_Dialog()
{
}
void Example_Dialog::on_button_message()
{
Glib::ustring strMessage = "This message box has been popped up the following\n"
"number of times:\n\n";
strMessage += Glib::ustring::format(m_count);
Gtk::MessageDialog dialog(*this, strMessage, false, Gtk::MESSAGE_INFO, Gtk::BUTTONS_OK, true); //true = modal
/*int response =*/ dialog.run();
m_count++;
}
void Example_Dialog::on_button_interactive()
{
Dialog_Interactive* pDialog = new Dialog_Interactive(*this, m_Entry1.get_text(), m_Entry2.get_text());
/*int response =*/ pDialog->run();
m_Entry1.set_text(pDialog->get_entry1());
m_Entry2.set_text(pDialog->get_entry2());
delete pDialog;
}
void Example_Dialog::on_button_non_modal()
{
const Glib::ustring strMessage = "Non-modal message box.";
m_non_modal_dialog.reset(new Gtk::MessageDialog(*this, strMessage, /* use_markup= */ false,
Gtk::MESSAGE_INFO, Gtk::BUTTONS_OK, /* modal= */ false));
m_non_modal_dialog->signal_response().connect(
sigc::mem_fun(*this, &Example_Dialog::on_non_modal_response));
m_non_modal_dialog->show_all();
}
void Example_Dialog::on_non_modal_response(int /* response_id */)
{
// Delete the non-modal dialog.
// If the Example_Dialog is deleted without first responding to the non-modal
// dialog, the non-modal dialog is deleted when m_non_modal_dialog is deleted.
m_non_modal_dialog.reset();
}
Dialog_Interactive::Dialog_Interactive(Gtk::Window& parent, const Glib::ustring& entry1, const Glib::ustring& entry2)
: Gtk::Dialog("Interactive Dialog", parent, true),
m_HBox(Gtk::ORIENTATION_HORIZONTAL, 8),
m_Label1("_Entry 1", true), m_Label2("E_ntry 2", true),
m_Image()
{
m_Image.set_from_icon_name("dialog-question", Gtk::ICON_SIZE_DIALOG);
add_button("_OK", Gtk::RESPONSE_OK);
add_button("_Cancel", Gtk::RESPONSE_CANCEL);
m_HBox.set_border_width(8);
get_content_area()->pack_start(m_HBox, Gtk::PACK_SHRINK);
m_HBox.pack_start(m_Image, Gtk::PACK_SHRINK);
m_Grid.set_row_spacing(4);
m_Grid.set_column_spacing(4);
m_HBox.pack_start(m_Grid);
m_Grid.attach(m_Label1, 0, 0, 1, 1);
m_Entry1.set_text(entry1);
m_Grid.attach(m_Entry1, 1, 0, 1, 1);
m_Label1.set_mnemonic_widget(m_Entry1);
m_Grid.attach(m_Label2, 0, 1, 1, 1);
m_Entry2.set_text(entry2);
m_Grid.attach(m_Entry2, 1, 1, 1, 1);
m_Label2.set_mnemonic_widget(m_Entry2);
show_all();
}
Glib::ustring Dialog_Interactive::get_entry1() const
{
return m_Entry1.get_text();
}
Glib::ustring Dialog_Interactive::get_entry2() const
{
return m_Entry2.get_text();
}
Dialog_Interactive::~Dialog_Interactive()
{
}
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