mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
Paul Gilbert
49fb52efd6
Improves mouse events for the events-based project template. This includes a View class that: 1) Mouse events only get sent to the control under the mouse rather than all controls on the view 2) Elements will get Focus/Unfocus messages as the mouse moves in or out of their bounds
82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "xyzzy/view.h"
|
|
|
|
namespace Xyzzy {
|
|
|
|
void View::checkFocusedControl(const Common::Point &mousePos) {
|
|
if (_focusedElement) {
|
|
if (!_focusedElement->getBounds().contains(mousePos)) {
|
|
_focusedElement->send(UnfocusMessage());
|
|
_focusedElement = nullptr;
|
|
}
|
|
|
|
} else {
|
|
for (UIElement *child : _children) {
|
|
if (child->getBounds().contains(mousePos)) {
|
|
_focusedElement = child;
|
|
child->send(FocusMessage());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
UIElement *View::getElementAtPos(const Common::Point &pos) const {
|
|
for (UIElement *child : _children) {
|
|
if (child->getBounds().contains(pos))
|
|
return child;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
bool View::msgFocus(const FocusMessage &msg) {
|
|
_focusedElement = nullptr;
|
|
return UIElement::msgFocus(msg);
|
|
}
|
|
|
|
bool View::msgUnfocus(const UnfocusMessage &msg) {
|
|
if (_focusedElement)
|
|
_focusedElement->send(UnfocusMessage());
|
|
|
|
return UIElement::msgUnfocus(msg);
|
|
}
|
|
|
|
bool View::msgMouseMove(const MouseMoveMessage &msg) {
|
|
checkFocusedControl(msg._pos);
|
|
return true;
|
|
}
|
|
|
|
bool View::msgMouseDown(const MouseDownMessage &msg) {
|
|
UIElement *child = getElementAtPos(msg._pos);
|
|
return child ? child->send(msg) : false;
|
|
}
|
|
|
|
bool View::msgMouseUp(const MouseUpMessage &msg) {
|
|
UIElement *child = getElementAtPos(msg._pos);
|
|
return child ? child->send(msg) : false;
|
|
}
|
|
|
|
} // namespace Xyzzy
|