mirror of
https://github.com/wang-bin/QtAV.git
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wang-bin
129 lines
3.1 KiB
C++
129 lines
3.1 KiB
C++
/******************************************************************************
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QtAV Player Demo: this file is part of QtAV examples
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Copyright (C) 2012-2014 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include "Button.h"
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Button::Button(QWidget *parent) :
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QToolButton(parent)
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, mState(NotFocused)
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{
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}
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Button::Button(const QString& text, QWidget *parent) :
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QToolButton(parent)
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, mState(NotFocused)
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{
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Q_UNUSED(text);
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}
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Button::~Button()
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{
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}
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Button::IconState Button::iconState() const
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{
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return mState;
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}
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void Button::setIconState(IconState state, bool force)
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{
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if (mState == state && !force)
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return;
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mState = state;
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setIcon(iconForState(mState));
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}
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QIcon Button::iconForState(IconState state) const
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{
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if (!mIcons.contains(state))
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return mIcons.begin().value();
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return mIcons.value(state);;
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}
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void Button::setIconForState(IconState state, const QIcon &icon)
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{
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mIcons.insert(state, icon);
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}
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void Button::setIconWithSates(const QPixmap &pixmap, IconState s1, IconState s2, IconState s3, IconState s4)
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{
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int a = pixmap.width();
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int b = pixmap.height();
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int count = qMax(a, b)/qMin(a, b);
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bool hor = pixmap.height() < pixmap.width();
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QPoint dp;
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if (hor) {
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a /= count;
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dp.setX(a);
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} else {
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b /= count;
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dp.setY(b);
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}
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QRect r(0, 0, a, b);
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setIconForState(s1, pixmap.copy(r));
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if (count > 1) {
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r.translate(dp);
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setIconForState(s2, pixmap.copy(r));
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if (count > 2) {
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r.translate(dp);
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setIconForState(s3, pixmap.copy(r));
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if (count > 3) {
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r.translate(dp);
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setIconForState(s4, pixmap.copy(r));
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}
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}
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}
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setIconState(iconState(), true); //TODO: other states set to existing icon
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}
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void Button::enterEvent(QEvent *e)
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{
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QToolButton::enterEvent(e);
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if (mIcons.isEmpty())
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return;
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setIconState(Focused);
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emit entered();
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}
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void Button::leaveEvent(QEvent *e)
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{
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QToolButton::leaveEvent(e);
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if (mIcons.isEmpty())
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return;
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setIconState(NotFocused);
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emit leaved();
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}
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void Button::mousePressEvent(QMouseEvent *e)
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{
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QToolButton::mousePressEvent(e);
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if (mIcons.isEmpty())
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return;
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setIconState(Pressed);
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}
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void Button::mouseReleaseEvent(QMouseEvent *e)
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{
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QToolButton::mouseReleaseEvent(e);
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if (mIcons.isEmpty())
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return;
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setIconState(Focused);
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}
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