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/** @file
* Desktop-bound selectable control object - implementation
*/
/* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
*
* Copyright (C) 2009 Authors
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "ui/tool/control-point-selection.h"
#include "ui/tool/event-utils.h"
#include "ui/tool/selectable-control-point.h"
namespace Inkscape {
namespace UI {
static SelectableControlPoint::ColorSet default_scp_color_set = {
{
{0xffffff00, 0x01000000}, // normal fill, stroke
{0xff0000ff, 0x01000000}, // mouseover fill, stroke
{0x0000ffff, 0x01000000} // clicked fill, stroke
},
{0x0000ffff, 0x000000ff}, // normal fill, stroke when selected
{0xff000000, 0x000000ff}, // mouseover fill, stroke when selected
{0xff000000, 0x000000ff} // clicked fill, stroke when selected
};
SelectableControlPoint::SelectableControlPoint(SPDesktop *d, Geom::Point const &initial_pos,
Gtk::AnchorType anchor, SPCtrlShapeType shape, unsigned int size,
ControlPointSelection &sel, ColorSet *cset, SPCanvasGroup *group)
: ControlPoint (d, initial_pos, anchor, shape, size,
cset ? reinterpret_cast<ControlPoint::ColorSet*>(cset)
: reinterpret_cast<ControlPoint::ColorSet*>(&default_scp_color_set), group)
, _selection (sel)
{
_connectHandlers();
}
SelectableControlPoint::SelectableControlPoint(SPDesktop *d, Geom::Point const &initial_pos,
Gtk::AnchorType anchor, Glib::RefPtr<Gdk::Pixbuf> pixbuf,
ControlPointSelection &sel, ColorSet *cset, SPCanvasGroup *group)
: ControlPoint (d, initial_pos, anchor, pixbuf,
cset ? reinterpret_cast<ControlPoint::ColorSet*>(cset)
: reinterpret_cast<ControlPoint::ColorSet*>(&default_scp_color_set), group)
, _selection (sel)
{
_connectHandlers();
}
SelectableControlPoint::~SelectableControlPoint()
{
_selection.erase(this);
_selection.allPoints().erase(this);
}
void SelectableControlPoint::_connectHandlers()
{
_selection.allPoints().insert(this);
signal_grabbed.connect(
sigc::bind_return(
sigc::hide(
sigc::mem_fun(*this, &SelectableControlPoint::_grabbedHandler)),
false));
signal_dragged.connect(
sigc::mem_fun(*this, &SelectableControlPoint::_draggedHandler));
signal_ungrabbed.connect(
sigc::hide(
sigc::mem_fun(*this, &SelectableControlPoint::_ungrabbedHandler)));
signal_clicked.connect(
sigc::mem_fun(*this, &SelectableControlPoint::_clickedHandler));
}
void SelectableControlPoint::_grabbedHandler()
{
// if a point is dragged while not selected, it should select itself
if (!selected()) {
_takeSelection();
_selection._pointGrabbed();
}
}
void SelectableControlPoint::_draggedHandler(Geom::Point const &old_pos, Geom::Point &new_pos, GdkEventMotion *event)
{
_selection._pointDragged(old_pos, new_pos, event);
}
void SelectableControlPoint::_ungrabbedHandler()
{
_selection._pointUngrabbed();
}
bool SelectableControlPoint::_clickedHandler(GdkEventButton *event)
{
if (selected() && _selection._pointClicked(this, event)) return true;
if (event->button != 1) return false;
if (held_shift(*event)) {
if (selected()) {
_selection.erase(this);
} else {
_selection.insert(this);
}
} else {
_takeSelection();
}
return true;
}
void SelectableControlPoint::_takeSelection()
{
_selection.clear();
_selection.insert(this);
}
bool SelectableControlPoint::selected() const
{
SelectableControlPoint *p = const_cast<SelectableControlPoint*>(this);
return _selection.find(p) != _selection.end();
}
void SelectableControlPoint::_setState(State state)
{
if (!selected()) {
ControlPoint::_setState(state);
return;
}
ColorSet *cset = reinterpret_cast<ColorSet*>(_cset);
ColorEntry current = {0, 0};
switch (state) {
case STATE_NORMAL:
current = cset->selected_normal; break;
case STATE_MOUSEOVER:
current = cset->selected_mouseover; break;
case STATE_CLICKED:
current = cset->selected_clicked; break;
}
_setColors(current);
_state = state;
}
} // namespace UI
} // namespace Inkscape
/*
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:encoding=utf-8:textwidth=99 :
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