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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* Fine-grained modifier tracker for event handling.
*/
/* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
*
* Copyright (C) 2009 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include "ui/tool/event-utils.h"
#include "ui/tool/modifier-tracker.h"
namespace Inkscape {
namespace UI {
ModifierTracker::ModifierTracker()
: _left_shift(false)
, _right_shift(false)
, _left_ctrl(false)
, _right_ctrl(false)
, _left_alt(false)
, _right_alt(false)
{}
bool ModifierTracker::event(GdkEvent *event)
{
switch (event->type) {
case GDK_KEY_PRESS:
switch (shortcut_key(event->key)) {
case GDK_KEY_Shift_L:
_left_shift = true;
break;
case GDK_KEY_Shift_R:
_right_shift = true;
break;
case GDK_KEY_Control_L:
_left_ctrl = true;
break;
case GDK_KEY_Control_R:
_right_ctrl = true;
break;
case GDK_KEY_Alt_L:
_left_alt = true;
break;
case GDK_KEY_Alt_R:
_right_alt = true;
break;
}
break;
case GDK_KEY_RELEASE:
switch (shortcut_key(event->key)) {
case GDK_KEY_Shift_L:
_left_shift = false;
break;
case GDK_KEY_Shift_R:
_right_shift = false;
break;
case GDK_KEY_Control_L:
_left_ctrl = false;
break;
case GDK_KEY_Control_R:
_right_ctrl = false;
break;
case GDK_KEY_Alt_L:
_left_alt = false;
break;
case GDK_KEY_Alt_R:
_right_alt = false;
break;
}
break;
default: break;
}
return false;
}
} // 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:fileencoding=utf-8:textwidth=99 :
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