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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* @brief A panel holding dialog
*/
/* Authors:
* C 2007 Gustav Broberg <broberg@kth.se>
* C 2012 Kris De Gussem <Kris.DeGussem@gmail.com>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_PANEL_DIALOG_H
#define INKSCAPE_PANEL_DIALOG_H
#include <glibmm/i18n.h>
#include <gtkmm/dialog.h>
#include "verbs.h"
#include "dialog.h"
#include "ui/dialog/swatches.h"
#include "ui/dialog/floating-behavior.h"
#include "ui/dialog/dock-behavior.h"
#include "inkscape.h"
#include "desktop.h"
namespace Inkscape {
namespace UI {
namespace Dialog {
/**
* Auxiliary class for the link between UI::Dialog::PanelDialog and UI::Dialog::Dialog.
*
* PanelDialog handles signals emitted when a desktop changes, either changing to a
* different desktop or a new document.
*/
class PanelDialogBase {
public:
PanelDialogBase(UI::Widget::Panel &panel, char const */*prefs_path*/, int const /*verb_num*/) :
_panel (panel) { }
virtual void present() = 0;
virtual ~PanelDialogBase() = default;
virtual UI::Widget::Panel &getPanel() { return _panel; }
protected:
inline virtual void _propagateDocumentReplaced(SPDesktop* desktop, SPDocument *document);
inline virtual void _propagateDesktopActivated(SPDesktop *);
inline virtual void _propagateDesktopDeactivated(SPDesktop *);
UI::Widget::Panel &_panel;
sigc::connection _document_replaced_connection;
};
/**
* Bridges UI::Widget::Panel and UI::Dialog::Dialog.
*
* Where Dialog handles window behaviour, such as closing, position, etc, and where
* Panel is the actual container for dialog child widgets (and from where the dialog
* content is made), PanelDialog links these two classes together to create a
* dockable and floatable dialog. The link with Dialog is made via PanelDialogBase.
*/
template <typename Behavior>
class PanelDialog : public PanelDialogBase, public Inkscape::UI::Dialog::Dialog {
public:
/**
* Constructor.
*
* @param contents panel with the actual dialog content.
* @param prefs_path characteristic path for loading/saving dialog position.
* @param verb_num the dialog verb.
*/
PanelDialog(UI::Widget::Panel &contents, char const *prefs_path, int const verb_num);
~PanelDialog() override = default;
template <typename T>
static PanelDialog<Behavior> *create();
inline void present() override;
private:
template <typename T>
static PanelDialog<Behavior> *_create();
inline void _presentDialog();
PanelDialog() = delete;
PanelDialog(PanelDialog<Behavior> const &d) = delete; // no copy
PanelDialog<Behavior>& operator=(PanelDialog<Behavior> const &d) = delete; // no assign
};
void PanelDialogBase::_propagateDocumentReplaced(SPDesktop *desktop, SPDocument *document)
{
_panel.signalDocumentReplaced().emit(desktop, document);
}
void PanelDialogBase::_propagateDesktopActivated(SPDesktop *desktop)
{
_document_replaced_connection =
desktop->connectDocumentReplaced(sigc::mem_fun(*this, &PanelDialogBase::_propagateDocumentReplaced));
_panel.signalActivateDesktop().emit(desktop);
}
void PanelDialogBase::_propagateDesktopDeactivated(SPDesktop *desktop)
{
_document_replaced_connection.disconnect();
_panel.signalDeactiveDesktop().emit(desktop);
}
template <typename B>
PanelDialog<B>::PanelDialog(Widget::Panel &panel, char const *prefs_path, int const verb_num) :
PanelDialogBase(panel, prefs_path, verb_num),
Dialog(&B::create, prefs_path, verb_num)
{
Gtk::Box *vbox = get_vbox();
_panel.signalResponse().connect(sigc::mem_fun(*this, &PanelDialog::_handleResponse));
_panel.signalPresent().connect(sigc::mem_fun(*this, &PanelDialog::_presentDialog));
vbox->pack_start(_panel, true, true, 0);
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
_propagateDesktopActivated(desktop);
_document_replaced_connection =
desktop->connectDocumentReplaced(sigc::mem_fun(*this, &PanelDialog::_propagateDocumentReplaced));
show_all_children();
}
template <typename B> template <typename P>
PanelDialog<B> *PanelDialog<B>::create()
{
return _create<P>();
}
template <typename B> template <typename P>
PanelDialog<B> *PanelDialog<B>::_create()
{
UI::Widget::Panel &panel = P::getInstance();
return new PanelDialog<B>(panel, panel.getPrefsPath(), panel.getVerb());
}
template <typename B>
void PanelDialog<B>::present()
{
_panel.present();
}
template <typename B>
void PanelDialog<B>::_presentDialog()
{
Dialog::present();
}
template <> inline
void PanelDialog<Behavior::FloatingBehavior>::present()
{
Dialog::present();
_panel.present();
}
template <> inline
void PanelDialog<Behavior::FloatingBehavior>::_presentDialog()
{
}
/**
* Specialized factory method for panel dialogs with floating behavior in order to make them work as
* singletons, i.e. allow them track the current active desktop.
*/
template <>
template <typename P>
PanelDialog<Behavior::FloatingBehavior> *PanelDialog<Behavior::FloatingBehavior>::create()
{
auto instance = _create<P>();
INKSCAPE.signal_activate_desktop.connect(
sigc::mem_fun(*instance, &PanelDialog<Behavior::FloatingBehavior>::_propagateDesktopActivated)
);
INKSCAPE.signal_deactivate_desktop.connect(
sigc::mem_fun(*instance, &PanelDialog<Behavior::FloatingBehavior>::_propagateDesktopDeactivated)
);
return instance;
}
} // namespace Dialog
} // namespace UI
} // namespace Inkscape
#endif //INKSCAPE_PANEL_DIALOG_H
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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