Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
385 lines
13 KiB
C++
385 lines
13 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "textbutton.h"
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#include "demoitemanimation.h"
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#include "demotextitem.h"
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#include "colors.h"
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#include "menumanager.h"
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#define BUTTON_WIDTH 180
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#define BUTTON_HEIGHT 19
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class ButtonBackground : public DemoItem
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{
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public:
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TextButton::BUTTONTYPE type;
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bool highlighted;
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bool pressed;
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QSize logicalSize;
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ButtonBackground(TextButton::BUTTONTYPE type, bool highlighted, bool pressed, QSize logicalSize,
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QGraphicsScene *scene, QGraphicsItem *parent) : DemoItem(scene, parent)
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{
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this->type = type;
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this->highlighted = highlighted;
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this->pressed = pressed;
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this->logicalSize = logicalSize;
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useSharedImage(QString(__FILE__) + static_cast<int>(type) + highlighted + pressed);
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}
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protected:
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QImage *createImage(const QMatrix &matrix) const
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{
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if (type == TextButton::SIDEBAR || type == TextButton::PANEL)
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return createRoundButtonBackground(matrix);
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else
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return createArrowBackground(matrix);
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}
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QImage *createRoundButtonBackground(const QMatrix &matrix) const
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{
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QRect scaledRect;
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scaledRect = matrix.mapRect(QRect(0, 0, this->logicalSize.width(), this->logicalSize.height()));
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QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied);
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image->fill(QColor(0, 0, 0, 0).rgba());
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QPainter painter(image);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setPen(Qt::NoPen);
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if (Colors::useEightBitPalette){
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painter.setPen(QColor(120, 120, 120));
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if (this->pressed)
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painter.setBrush(QColor(60, 60, 60));
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else if (this->highlighted)
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painter.setBrush(QColor(100, 100, 100));
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else
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painter.setBrush(QColor(80, 80, 80));
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}
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else {
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QLinearGradient outlinebrush(0, 0, 0, scaledRect.height());
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QLinearGradient brush(0, 0, 0, scaledRect.height());
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brush.setSpread(QLinearGradient::PadSpread);
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QColor highlight(255, 255, 255, 70);
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QColor shadow(0, 0, 0, 70);
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QColor sunken(220, 220, 220, 30);
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QColor normal1(255, 255, 245, 60);
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QColor normal2(255, 255, 235, 10);
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if (this->type == TextButton::PANEL){
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normal1 = QColor(200, 170, 160, 50);
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normal2 = QColor(50, 10, 0, 50);
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}
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if (pressed) {
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outlinebrush.setColorAt(0.0f, shadow);
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outlinebrush.setColorAt(1.0f, highlight);
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brush.setColorAt(0.0f, sunken);
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painter.setPen(Qt::NoPen);
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} else {
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outlinebrush.setColorAt(1.0f, shadow);
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outlinebrush.setColorAt(0.0f, highlight);
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brush.setColorAt(0.0f, normal1);
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if (!this->highlighted)
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brush.setColorAt(1.0f, normal2);
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painter.setPen(QPen(outlinebrush, 1));
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}
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painter.setBrush(brush);
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}
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if (this->type == TextButton::PANEL)
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painter.drawRect(0, 0, scaledRect.width(), scaledRect.height());
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else
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painter.drawRoundedRect(0, 0, scaledRect.width(), scaledRect.height(), 10, 90, Qt::RelativeSize);
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return image;
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}
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QImage *createArrowBackground(const QMatrix &matrix) const
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{
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QRect scaledRect;
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scaledRect = matrix.mapRect(QRect(0, 0, this->logicalSize.width(), this->logicalSize.height()));
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QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied);
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image->fill(QColor(0, 0, 0, 0).rgba());
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QPainter painter(image);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setPen(Qt::NoPen);
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if (Colors::useEightBitPalette){
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painter.setPen(QColor(120, 120, 120));
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if (this->pressed)
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painter.setBrush(QColor(60, 60, 60));
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else if (this->highlighted)
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painter.setBrush(QColor(100, 100, 100));
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else
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painter.setBrush(QColor(80, 80, 80));
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}
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else {
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QLinearGradient outlinebrush(0, 0, 0, scaledRect.height());
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QLinearGradient brush(0, 0, 0, scaledRect.height());
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brush.setSpread(QLinearGradient::PadSpread);
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QColor highlight(255, 255, 255, 70);
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QColor shadow(0, 0, 0, 70);
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QColor sunken(220, 220, 220, 30);
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QColor normal1 = QColor(200, 170, 160, 50);
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QColor normal2 = QColor(50, 10, 0, 50);
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if (pressed) {
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outlinebrush.setColorAt(0.0f, shadow);
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outlinebrush.setColorAt(1.0f, highlight);
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brush.setColorAt(0.0f, sunken);
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painter.setPen(Qt::NoPen);
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} else {
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outlinebrush.setColorAt(1.0f, shadow);
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outlinebrush.setColorAt(0.0f, highlight);
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brush.setColorAt(0.0f, normal1);
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if (!this->highlighted)
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brush.setColorAt(1.0f, normal2);
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painter.setPen(QPen(outlinebrush, 1));
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}
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painter.setBrush(brush);
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}
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painter.drawRect(0, 0, scaledRect.width(), scaledRect.height());
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float xOff = scaledRect.width() / 2;
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float yOff = scaledRect.height() / 2;
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float sizex = 3.0f * matrix.m11();
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float sizey = 1.5f * matrix.m22();
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if (this->type == TextButton::UP)
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sizey *= -1;
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QPainterPath path;
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path.moveTo(xOff, yOff + (5 * sizey));
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path.lineTo(xOff - (4 * sizex), yOff - (3 * sizey));
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path.lineTo(xOff + (4 * sizex), yOff - (3 * sizey));
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path.lineTo(xOff, yOff + (5 * sizey));
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painter.drawPath(path);
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return image;
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}
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};
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TextButton::TextButton(const QString &text, ALIGNMENT align, int userCode,
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QGraphicsScene *scene, QGraphicsItem *parent, BUTTONTYPE type)
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: DemoItem(scene, parent)
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{
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this->menuString = text;
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this->buttonLabel = text;
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this->alignment = align;
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this->buttonType = type;
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this->userCode = userCode;
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this->bgOn = 0;
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this->bgOff = 0;
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this->bgHighlight = 0;
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this->bgDisabled = 0;
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this->state = OFF;
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this->setAcceptsHoverEvents(true);
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this->setCursor(Qt::PointingHandCursor);
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// Calculate button size:
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const int w = 180;
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const int h = 19;
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if (type == SIDEBAR || type == PANEL)
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this->logicalSize = QSize(w, h);
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else
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this->logicalSize = QSize(int((w / 2.0f) - 5), int(h * 1.5f));
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}
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void TextButton::setMenuString(const QString &menu)
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{
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this->menuString = menu;
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}
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void TextButton::prepare()
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{
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if (!this->prepared){
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this->prepared = true;
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this->setupHoverText();
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this->setupScanItem();
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this->setupButtonBg();
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}
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}
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TextButton::~TextButton()
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{
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if (this->prepared){
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if (Colors::useButtonBalls)
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delete this->scanAnim;
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}
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}
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QRectF TextButton::boundingRect() const
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{
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return QRectF(0, 0, this->logicalSize.width(), this->logicalSize.height());
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};
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void TextButton::setupHoverText()
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{
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if (this->buttonLabel.isEmpty())
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return;
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DemoTextItem *textItem = new DemoTextItem(this->buttonLabel, Colors::buttonFont(), Colors::buttonText, -1, this->scene(), this);
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textItem->setZValue(zValue() + 2);
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textItem->setPos(16, 0);
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}
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void TextButton::setupScanItem()
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{
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if (Colors::useButtonBalls){
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ScanItem *scanItem = new ScanItem(0, this);
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scanItem->setZValue(zValue() + 1);
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this->scanAnim = new DemoItemAnimation(scanItem);
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this->scanAnim->timeline->setLoopCount(1);
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float x = 1;
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float y = 1.5f;
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float stop = BUTTON_WIDTH - scanItem->boundingRect().width() - x;
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if (this->alignment == LEFT){
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this->scanAnim->setDuration(2500);
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this->scanAnim->setPosAt(0.0, QPointF(x, y));
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this->scanAnim->setPosAt(0.5, QPointF(x, y));
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this->scanAnim->setPosAt(0.7, QPointF(stop, y));
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this->scanAnim->setPosAt(1.0, QPointF(x, y));
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scanItem->setPos(QPointF(x, y));
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}
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else {
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this->scanAnim->setPosAt(0.0, QPointF(stop, y));
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this->scanAnim->setPosAt(0.5, QPointF(x, y));
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this->scanAnim->setPosAt(1.0, QPointF(stop, y));
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scanItem->setPos(QPointF(stop, y));
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}
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}
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}
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void TextButton::setState(STATE state)
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{
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this->state = state;
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this->bgOn->setRecursiveVisible(state == ON);
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this->bgOff->setRecursiveVisible(state == OFF);
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this->bgHighlight->setRecursiveVisible(state == HIGHLIGHT);
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this->bgDisabled->setRecursiveVisible(state == DISABLED);
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this->setCursor(state == DISABLED ? Qt::ArrowCursor : Qt::PointingHandCursor);
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}
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void TextButton::setupButtonBg()
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{
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this->bgOn = new ButtonBackground(this->buttonType, true, true, this->logicalSize, this->scene(), this);
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this->bgOff = new ButtonBackground(this->buttonType, false, false, this->logicalSize, this->scene(), this);
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this->bgHighlight = new ButtonBackground(this->buttonType, true, false, this->logicalSize, this->scene(), this);
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this->bgDisabled = new ButtonBackground(this->buttonType, true, true, this->logicalSize, this->scene(), this);
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this->setState(OFF);
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}
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void TextButton::hoverEnterEvent(QGraphicsSceneHoverEvent *)
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{
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if (this->locked || this->state == DISABLED)
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return;
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if (this->state == OFF){
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this->setState(HIGHLIGHT);
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if (Colors::noAnimations && Colors::useButtonBalls){
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// wait a bit in the beginning
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// to enhance the effect. Have to this here
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// so that the adaption can be dynamic
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this->scanAnim->setDuration(1000);
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this->scanAnim->setPosAt(0.2, this->scanAnim->posAt(0));
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}
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if (MenuManager::instance()->window->fpsMedian > 10
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|| Colors::noAdapt
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|| Colors::noTimerUpdate){
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if (Colors::useButtonBalls)
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this->scanAnim->play(true, true);
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}
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}
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}
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void TextButton::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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if (this->state == DISABLED)
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return;
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this->setState(OFF);
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if (Colors::noAnimations && Colors::useButtonBalls)
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this->scanAnim->stop();
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}
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void TextButton::mousePressEvent(QGraphicsSceneMouseEvent *)
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{
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if (this->state == DISABLED)
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return;
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if (this->state == HIGHLIGHT || this->state == OFF)
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this->setState(ON);
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}
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void TextButton::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (this->state == ON){
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this->setState(OFF);
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if (!this->locked && this->boundingRect().contains(event->pos())){
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MenuManager::instance()->itemSelected(this->userCode, this->menuString);
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}
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}
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}
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void TextButton::animationStarted(int)
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{
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if (this->state == DISABLED)
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return;
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this->setState(OFF);
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}
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