外贸怎么建立自己的网站,wordpress 机械,徐州列表网,网站建设图片教程视频教程来源#xff1a;微信公众号「编程学习基地」 文章目录 项目地址效果演示使用方法控件使用控件属性控件信号 项目地址
https://github.com/freeghter/QtDemo
效果演示 使用方法
将 slidenavigation.cpp 和 slidenavigation.h 添加到项目里面
在UI设计师界面拖动一个Widget… 来源微信公众号「编程学习基地」 文章目录 项目地址效果演示使用方法控件使用控件属性控件信号 项目地址
https://github.com/freeghter/QtDemo
效果演示 使用方法
将 slidenavigation.cpp 和 slidenavigation.h 添加到项目里面
在UI设计师界面拖动一个Widget控件
右键选择 提升为...填写提升的类名称为 SlideNavigation如下所示 右键 提升为 选择刚刚添加的类 SlideNavigation 。
控件使用
控件属性
//#define YELLOW //黄色
//#define RED //红色
//#define PURPLE //紫色
#define GREEN //绿色修改属性 ui-widget-addItem(星期一);ui-widget-addItem(星期二);ui-widget-addItem(星期三);ui-widget-addItem(星期四);ui-widget-addItem(星期五);ui-widget-addItem(星期六);ui-widget-addItem(星期日);ui-widget-addItem(星期八);ui-widget-setBarRadious(5); //设置Widget的圆角ui-widget-setItemRadious(5); //设置Item的圆角ui-widget-setFixed(true); //设置固定#if defined YELLOW //黄色ui-widget-setItemStartColor(QColor(254, 176, 42));ui-widget-setItemEndColor((QColor(225, 156, 37)));
#elif defined RED //红色ui-widget-setItemStartColor(QColor(255, 0, 0));ui-widget-setItemEndColor((QColor(225, 20, 10)));
#elif defined PURPLE //紫色ui-widget-setItemStartColor(QColor(191, 65, 249));ui-widget-setItemEndColor((QColor(187, 83, 217)));
#elif defined GREEN //绿色ui-widget-setItemStartColor(QColor(62, 139, 6));ui-widget-setItemEndColor((QColor(40, 139, 28)));
#else//默认灰底蓝色
#endif控件信号
点击的控件下标
signals:void itemClicked(int index, QString str);关联信号与槽
connect(ui-widget,SIGNAL(itemClicked(int, QString)),this,SLOT(_SlotCheckedMenu(int, QString)));槽函数打印
void Widget::_SlotCheckedMenu(int index, QString name)
{qDebug()index:index ,namename;
}主要代码已经扣过来了可以直接复制代码到项目中去。
slidenavigation.h
#ifndef SLIDENAVATION_H
#define SLIDENAVATION_H#include QWidget
#include QMapclass SlideNavigation : public QWidget
{Q_OBJECTpublic:enum ItemLineStyle{None,//不显示ItemTop,//上方ItemRight,//右方ItemBottom,//下方ItemLeft,//左方ItemRect,//矩形};SlideNavigation(QWidget *parent 0);~SlideNavigation();void addItem(QString str);void setBarStartColor(QColor color);void setBarEndColor(QColor color);void setItemStartColor(QColor color);void setItemEndColor(QColor color);void setItemTextColor(QColor color);void setItemLineColor(QColor color);void setBarRadious(int radious);void setItemRadious(int radious);void setSpace(int space);void setItemLineWidth(int width);void setItemLineStyle(ItemLineStyle style);void setOrientation(Qt::Orientation orientation);void setFixed(bool fixed);signals:void itemClicked(int index, QString str);public slots:void setEnableKeyMove(bool enable);void moveToFirst();void moveToLast();void moveToPrevious();void moveToNext();void moveTo(int index);void moveTo(QString str);void moveTo(QPointF point);protected:void paintEvent(QPaintEvent *);void resizeEvent(QResizeEvent *);void mousePressEvent(QMouseEvent *event);void keyPressEvent(QKeyEvent *event);void drawBarBackground(QPainter* p);//背景void drawItemBackground(QPainter* p);//当前选中Item背景void drawItemLine(QPainter* p);//ItemLinevoid drawText(QPainter* p);//all item textprivate:void adjuseItemSize();//调整Item大小private slots:void doSlide();//滑动void doShake();//晃动private:QColor m_barStartColor;//背景色QColor m_barEndColor;QColor m_itemStartColor;//Item颜色QColor m_itemEndColor;QColor m_itemTextColor;//Item文字颜色QColor m_itemLineColor;//Item线条指示器颜色int m_barRadious;//边框圆角int m_itemRadious;//Item圆角int m_space;//Item间隔int m_itemLineWidth;//Item线条宽度ItemLineStyle m_itemLineStyle;//Item线条类型Qt::Orientation m_orientation;//导航方向bool m_enableKeyMove;//按键移动bool m_fixed;//固定大小QMapint, QPairQString, QRectF m_itemList;int m_totalTextWidth;//文字总长度,resize时重新计算每个Item的RectFint m_totalTextHeight;int m_currentItemIndex;//当前选中itemQRectF m_startRect;//移动开始QRectF m_stopRect;//移动结束QTimer* m_slideTimer;//移动定时器QTimer* m_shakeTimer;//晃动定时器bool m_forward;//前进};#endif // SLIDENAVATION_Hslidenavigation.cpp
#include slidenavigation.h
#include QPainter
#include QMouseEvent
#include QTimer
#include QtMath
#include QDebugSlideNavigation::SlideNavigation(QWidget *parent): QWidget(parent)
{m_barStartColor QColor(121,121,121);m_barEndColor QColor(78,78,78);m_itemStartColor QColor(46,132,243);m_itemEndColor QColor(39,110,203);m_itemTextColor Qt::white;m_itemLineColor QColor(255,107,107);m_barRadious 0;m_itemRadious 0;m_space 25;m_itemLineWidth 3;m_itemLineStyle ItemLineStyle::None;m_orientation Qt::Horizontal;m_enableKeyMove false;m_totalTextWidth 0;m_totalTextHeight 0;m_currentItemIndex -1;m_fixed false;setAttribute(Qt::WA_TranslucentBackground);m_slideTimer new QTimer(this);m_slideTimer-setInterval(10);connect(m_slideTimer, SIGNAL(timeout()), this, SLOT(doSlide()));m_shakeTimer new QTimer(this);m_shakeTimer-setInterval(10);connect(m_shakeTimer, SIGNAL(timeout()), this, SLOT(doShake()));setFocusPolicy(Qt::ClickFocus);
}SlideNavigation::~SlideNavigation()
{}void SlideNavigation::addItem(QString str)
{if(str.isEmpty())return;QMapint, QPairQString,QRectF ::iterator it m_itemList.begin();while(it ! m_itemList.end()){QPairQString, QRectF itemData it.value();if(str itemData.first)return;it;}QFont f font();QFontMetrics fm(f);int textWidth fm.width(str);int textHeight fm.height();int itemCount m_itemList.size();if(itemCount 0){QPointF topLeft, bottomRight;if(m_orientation Qt::Horizontal){topLeft QPointF(m_totalTextWidth,0);m_totalTextWidth textWidthm_space;bottomRight QPointF(m_totalTextWidth, m_totalTextHeight);}else{topLeft QPointF(0, m_totalTextHeight);m_totalTextHeight textHeightm_space;bottomRight QPointF(m_totalTextWidth, m_totalTextHeight);}QRectF textRect(topLeft, bottomRight);m_itemList.insert(itemCount, qMakePair(str, textRect));}else{if(m_orientation Qt::Horizontal){m_totalTextWidth textWidthm_space;m_totalTextHeight textHeightm_space;//水平方向,水平占1个m_space,竖直占1个m_space}else{m_totalTextWidth textWidth2*m_space;//竖直方向,水平占2个m_space,竖直占1个m_spacem_totalTextHeight textHeightm_space;}QPointF topLeft(0.0, 0.0);QPointF bottomRight(m_totalTextWidth, m_totalTextHeight);QRectF textRect(topLeft, bottomRight);m_itemList.insert(itemCount, qMakePair(str, textRect));}setMinimumSize(m_totalTextWidth, m_totalTextHeight);if(m_fixed){if(m_orientation Qt::Horizontal)setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);//固定高度elsesetSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);//固定宽度}update();
}void SlideNavigation::setBarStartColor(QColor color)
{if(color ! m_barStartColor){m_barStartColor color;update();}
}void SlideNavigation::setBarEndColor(QColor color)
{if(color ! m_barEndColor){m_barEndColor color;update();}
}void SlideNavigation::setItemStartColor(QColor color)
{if(color ! m_itemStartColor){m_itemStartColor color;update();}
}void SlideNavigation::setItemEndColor(QColor color)
{if(color ! m_itemEndColor){m_itemEndColor color;update();}
}void SlideNavigation::setItemTextColor(QColor color)
{if(color ! m_itemTextColor){m_itemTextColor color;update();}
}void SlideNavigation::setItemLineColor(QColor color)
{if(color ! m_itemLineColor){m_itemLineColor color;update();}
}void SlideNavigation::setBarRadious(int radious)
{if(radious0 radious ! m_barRadious){m_barRadious radious;update();}
}void SlideNavigation::setItemRadious(int radious)
{if(radious0 radious ! m_itemRadious){m_itemRadious radious;update();}
}void SlideNavigation::setSpace(int space)
{if(space0 space ! m_space){m_space space;update();}
}void SlideNavigation::setItemLineWidth(int width)
{if(width0 width ! m_itemLineWidth){m_itemLineWidth width;update();}
}void SlideNavigation::setItemLineStyle(SlideNavigation::ItemLineStyle style)
{if(style ! m_itemLineStyle){m_itemLineStyle style;update();}
}void SlideNavigation::setOrientation(Qt::Orientation orientation)
{if(orientation ! m_orientation){m_orientation orientation;update();}
}void SlideNavigation::setFixed(bool fixed)
{if(fixed ! m_fixed){m_fixed fixed;update();}
}void SlideNavigation::setEnableKeyMove(bool enable)
{if(enable ! m_enableKeyMove){m_enableKeyMove enable;}
}void SlideNavigation::moveToFirst()
{moveTo(0);
}void SlideNavigation::moveToLast()
{moveTo(m_itemList.size()-1);
}void SlideNavigation::moveToPrevious()
{moveTo(m_currentItemIndex-1);
}void SlideNavigation::moveToNext()
{moveTo(m_currentItemIndex1);
}void SlideNavigation::moveTo(int index)
{if(index0 indexm_itemList.size() index!m_currentItemIndex){emit itemClicked(index, m_itemList[index].first);if(index m_currentItemIndex)return;if(m_currentItemIndex -1)m_startRect m_itemList[index].second;m_forward index m_currentItemIndex;m_currentItemIndex index;m_stopRect m_itemList[index].second;m_slideTimer-start();}
}void SlideNavigation::moveTo(QString str)
{QMapint, QPairQString, QRectF ::iterator it m_itemList.begin();for(; it!m_itemList.end(); it){if(it.value().first str){int targetIndex it.key();if(targetIndex m_currentItemIndex)return;moveTo(targetIndex);break;}}
}void SlideNavigation::moveTo(QPointF point)
{QMapint, QPairQString, QRectF ::iterator it m_itemList.begin();for(; it!m_itemList.end(); it){if(it.value().second.contains(point)){int targetIndex it.key();if(targetIndex m_currentItemIndex)return;moveTo(targetIndex);break;}}
}void SlideNavigation::paintEvent(QPaintEvent *)
{QPainter painter(this);painter.setRenderHints(QPainter::Antialiasing);drawBarBackground(painter);drawItemBackground(painter);drawItemLine(painter);drawText(painter);
}void SlideNavigation::resizeEvent(QResizeEvent *)
{adjuseItemSize();
}void SlideNavigation::mousePressEvent(QMouseEvent *event)
{QMapint, QPairQString, QRectF ::iterator it m_itemList.begin();for(; it!m_itemList.end(); it){if(it.value().second.contains(event-pos())){int targetIndex it.key();emit itemClicked(targetIndex, it.value().first);if(targetIndex m_currentItemIndex)return;if(m_currentItemIndex -1){m_startRect it.value().second;}m_forward targetIndex m_currentItemIndex;m_currentItemIndex targetIndex;m_stopRect it.value().second;m_slideTimer-start();break;}}
}void SlideNavigation::keyPressEvent(QKeyEvent *event)
{if(!m_enableKeyMove){QWidget::keyPressEvent(event);return;}switch (event-key()) {case Qt::Key_Home:moveToFirst();break;case Qt::Key_End:moveToLast();break;case Qt::Key_Up:case Qt::Key_Left:moveToPrevious();break;case Qt::Key_Down:case Qt::Key_Right:moveToNext();break;default:QWidget::keyPressEvent(event);break;}
}void SlideNavigation::drawBarBackground(QPainter *p)
{p-save();p-setPen(Qt::NoPen);QLinearGradient linerGradient(QPointF(0,0), QPointF(0,height()));linerGradient.setColorAt(0.0, m_barStartColor);linerGradient.setColorAt(1.0, m_barEndColor);p-setBrush(linerGradient);p-drawRoundedRect(rect(), m_barRadious, m_barRadious);p-restore();
}void SlideNavigation::drawItemBackground(QPainter *p)
{if(m_startRect.isNull())return;p-save();QLinearGradient linerGradient(m_startRect.topLeft(), m_startRect.bottomRight());linerGradient.setColorAt(0.0, m_itemStartColor);linerGradient.setColorAt(1.0, m_itemEndColor);p-setPen(Qt::NoPen);p-setBrush(linerGradient);p-drawRoundedRect(m_startRect, m_itemRadious, m_itemRadious);p-restore();
}void SlideNavigation::drawItemLine(QPainter *p)
{if(m_startRect.isNull())return;QPointF p1,p2;switch(m_itemLineStyle){case None:return;break;case ItemTop:p1 m_startRect.topLeft();p2 m_startRect.topRight();break;case ItemRight:p1 m_startRect.topRight();p2 m_startRect.bottomRight();break;case ItemBottom:p1 m_startRect.bottomLeft();p2 m_startRect.bottomRight();break;case ItemLeft:p1 m_startRect.topLeft();p2 m_startRect.bottomLeft();break;case ItemRect:p1 m_startRect.topLeft();p2 m_startRect.bottomRight();break;default:return;break;}p-save();QPen linePen;linePen.setColor(m_itemLineColor);linePen.setWidth(m_itemLineWidth);p-setPen(linePen);if(m_itemLineStyle ItemRect){p-drawRoundedRect(QRectF(p1, p2), m_itemRadious, m_itemRadious);}else{p-drawLine(p1, p2);}p-restore();
}void SlideNavigation::drawText(QPainter *p)
{p-save();p-setPen(m_itemTextColor);QMapint, QPairQString,QRectF ::iterator it m_itemList.begin();while(it ! m_itemList.end()){QPairQString, QRectF itemData it.value();p-drawText(itemData.second, Qt::AlignCenter, itemData.first);it;}p-restore();
}void SlideNavigation::adjuseItemSize()
{if(m_fixed){//针对固定大小的不对Item的位置进行调整return;}qreal addWidth, addHeight;if(m_orientation Qt::Horizontal){addWidth 1.0*(width()-m_totalTextWidth)/m_itemList.size();addHeight 1.0*(height()-m_totalTextHeight);}else{addWidth 1.0*(width()-m_totalTextWidth);addHeight 1.0*(height()-m_totalTextHeight)/m_itemList.size();}int itemCount m_itemList.size();qreal dx 0;qreal dy 0;QPointF topLeft, bottomRight;for(int i0; iitemCount; i){QPairQString, QRectF itemData m_itemList[i];QFont f font();QFontMetrics fm(f);int textWidth fm.width(itemData.first);int textHeight fm.height();if(m_orientation Qt::Horizontal){topLeft QPointF(dx, 0);dx textWidthm_spaceaddWidth;dy m_totalTextHeightaddHeight;}else{topLeft QPointF(0, dy);dx m_totalTextWidthaddWidth;dy textHeightm_spaceaddHeight;}bottomRight QPointF(dx, dy);QRectF textRect(topLeft, bottomRight);itemData.second textRect;if(i m_currentItemIndex){m_startRect textRect;m_stopRect textRect;}}update();
}void SlideNavigation::doSlide()
{if(m_space 0 || m_startRect m_stopRect)return;qreal dx,dy;if(m_orientation Qt::Horizontal){dx m_space/2.0;dy 0;}else{dx 0;dy m_space/2.0;}if(m_forward){m_startRect.adjust(dx, dy, dx, dy);if((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||(m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())){m_slideTimer-stop();if(m_startRect ! m_stopRect)m_shakeTimer-start();}}else{m_startRect.adjust(-dx, -dy, -dx, -dy);if((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||(m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())){m_slideTimer-stop();if(m_startRect ! m_stopRect)m_shakeTimer-start();}}update();// static qreal stepDx m_space/2.0;//步进平移
// static qreal stepDy m_space/2.0;
// static qreal adjustDx m_space/2.0;//调整平移
// static qreal adjustDy m_space/2.0;
// static int state 1; //1普通平移,2偏移,3回弹
// if(m_orientation Qt::Horizontal)
// {
// stepDy 0;
// adjustDy 0;
// }
// else
// {
// stepDx 0;
// adjustDx 0;
// }
// if(m_forward)
// {
// m_startRect.adjust(stepDx, stepDy, stepDx, stepDy);
// if(state 1
// ((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||
// (m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())) )
// {//偏移
// if(m_orientation Qt::Horizontal)
// {
// stepDx 1;
// }
// else
// {
// stepDy 1;
// }
// m_startRect m_stopRect;
// m_stopRect.adjust(adjustDx, adjustDy, adjustDx, adjustDy);
// state 2;
// qDebug() 开始右偏移 m_startRect m_stopRect;
// }
// if(state 2
// ((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||
// (m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())) )
// {//回弹
// if(m_orientation Qt::Horizontal)
// {
// stepDx -1;
// }
// else
// {
// stepDy -1;
// }
// m_startRect m_stopRect;
// m_stopRect.adjust(-adjustDx, adjustDy, -adjustDx, adjustDy);
// state 3;
// qDebug() 开始右回弹 m_startRect m_stopRect;
// }
// if(state 3
// ((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||
// (m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())) )
// {//重置变量
// stepDx m_space/2.0;
// stepDy m_space/2.0;
// adjustDx m_space/2.0;
// adjustDy m_space/2.0;
// state 1;
// m_slideTimer-stop();
// qDebug() 开始右重置变量;
// }
// }
// else
// {
// m_startRect.adjust(-stepDx, stepDy, -stepDx, stepDy);
// if(state 1
// ((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||
// (m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())) )
// {//偏移
// if(m_orientation Qt::Horizontal)
// {
// stepDx 1;
// }
// else
// {
// stepDy 1;
// }
// m_startRect m_stopRect;
// m_stopRect.adjust(-adjustDx, adjustDy, -adjustDx, adjustDy);
// state 2;
// qDebug() 开始左偏移 m_startRect m_stopRect;
// }
// if(state 2
// ((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||
// (m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())) )
// {//回弹
// if(m_orientation Qt::Horizontal)
// {
// stepDx -1;
// }
// else
// {
// stepDy -1;
// }
// m_startRect m_stopRect;
// m_stopRect.adjust(adjustDx, adjustDy, adjustDx, adjustDy);
// state 3;
// qDebug() 开始左回弹 m_startRect m_stopRect;
// }
// if(state 3
// ((m_orientation Qt::Horizontal m_startRect.topLeft().x() m_stopRect.topLeft().x()) ||
// (m_orientation Qt::Vertical m_startRect.topLeft().y() m_stopRect.topLeft().y())) )
// {//重置变量
// stepDx m_space/2.0;
// stepDy m_space/2.0;
// adjustDx m_space/2.0;
// adjustDy m_space/2.0;
// state 1;
// m_slideTimer-stop();
// qDebug() 开始左重置变量;
// }
// }
// update();
}void SlideNavigation::doShake()
{qreal delta 2.0;qreal dx1,dy1,dx2,dy2;dx1dy1dx2dy20.0;if(m_startRect.topLeft().x()m_stopRect.topLeft().x()){dx1 -delta;}else if(m_startRect.topLeft().x()m_stopRect.topLeft().x()){dx1 delta;}if(m_startRect.topLeft().y()m_stopRect.topLeft().y()){dy1 -delta;}else if(m_startRect.topLeft().y()m_stopRect.topLeft().y()){dy1 delta;}if(m_startRect.bottomRight().x()m_stopRect.bottomRight().x()){dx2 -delta;}else if(m_startRect.bottomRight().x()m_stopRect.bottomRight().x()){dx2 delta;}if(m_startRect.bottomRight().y()m_stopRect.bottomRight().y()){dy2 -delta;}else if(m_startRect.bottomRight().y()m_stopRect.bottomRight().y()){dy2 delta;}m_startRect.adjust(dx1,dy1,dx2,dy2);if(qAbs(m_startRect.topLeft().x()-m_stopRect.topLeft().x()) delta){m_startRect.setLeft(m_stopRect.topLeft().x());}if(qAbs(m_startRect.topLeft().y()-m_stopRect.topLeft().y()) delta){m_startRect.setTop(m_stopRect.topLeft().y());}if(qAbs(m_startRect.bottomRight().x()-m_stopRect.bottomRight().x()) delta){m_startRect.setRight(m_stopRect.bottomRight().x());}if(qAbs(m_startRect.bottomRight().y()-m_stopRect.bottomRight().y()) delta){m_startRect.setBottom(m_stopRect.bottomRight().y());}if(m_startRect m_stopRect)m_shakeTimer-stop();update();
}
