Qt按钮自定义特效buttonEffects
相关资料:不记得是在哪里看到的了,不好意思了原作者。
.pro
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1 QT += core gui 2 3 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets 4 5 CONFIG += c++11 6 7 # The following define makes your compiler emit warnings if you use 8 # any Qt feature that has been marked deprecated (the exact warnings 9 # depend on your compiler). Please consult the documentation of the 10 # deprecated API in order to know how to port your code away from it. 11 DEFINES += QT_DEPRECATED_WARNINGS 12 13 # You can also make your code fail to compile if it uses deprecated APIs. 14 # In order to do so, uncomment the following line. 15 # You can also select to disable deprecated APIs only up to a certain version of Qt. 16 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0 17 18 SOURCES += \ 19 main.cpp \ 20 mainwindow.cpp 21 22 HEADERS += \ 23 mainwindow.h 24 25 FORMS += 26 27 TARGET = buttonEffects 28 29 # Default rules for deployment. 30 qnx: target.path = /tmp/$${TARGET}/bin 31 else: unix:!android: target.path = /opt/$${TARGET}/bin 32 !isEmpty(target.path): INSTALLS += target
main.cpp
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1 #include <QApplication> 2 #include <mainwindow.h> 3 4 int main(int argc, char *argv[]) 5 { 6 QApplication a(argc, argv); 7 TMainWnd window; 8 window.show(); 9 window.resize(800,500); 10 return a.exec(); 11 }
mainwindow.h
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1 #ifndef MAINWINDOW_H 2 #define MAINWINDOW_H 3 4 #include <QWidget> 5 #include <QPushButton> 6 #include <QVBoxLayout> 7 #include <QTimerEvent> 8 9 class TPushBtn2 : public QPushButton 10 { 11 Q_OBJECT 12 public: 13 explicit TPushBtn2(QWidget *parent = 0); 14 TPushBtn2(const QString &,QWidget *parent = 0); 15 void UpdateAlpha(); 16 signals: 17 public slots: 18 protected: 19 void timerEvent(QTimerEvent *e); 20 void enterEvent(QEvent *); 21 void leaveEvent(QEvent *); 22 void changeMe(); 23 private: 24 int _alpha; 25 int _alphaTimer; 26 qint8 _nDirection; 27 }; 28 29 class TMainWnd : public QWidget 30 { 31 Q_OBJECT 32 public: 33 explicit TMainWnd(QWidget *parent = 0); 34 signals: 35 public slots: 36 }; 37 #endif // MAINWINDOW_H
mainwindow.cpp
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1 #include "mainwindow.h" 2 3 TMainWnd::TMainWnd(QWidget *parent) : 4 QWidget(parent) 5 { 6 QVBoxLayout *mainLO = new QVBoxLayout; 7 for(int i = 0 ; i < 10 ; i ++){ 8 TPushBtn2 *btn = new TPushBtn2(tr("Test %1").arg(i)); 9 mainLO->addWidget(btn ); 10 } 11 // style()->drawControl(.drawPushButton(this, paint); 12 setLayout(mainLO); 13 } 14 15 TPushBtn2::TPushBtn2(QWidget *parent) : 16 QPushButton(parent) 17 {} 18 19 TPushBtn2::TPushBtn2(const QString &text, QWidget *parent) 20 :QPushButton(text,parent),_nDirection(1) 21 {} 22 23 void TPushBtn2::timerEvent(QTimerEvent *e) 24 { 25 changeMe(); 26 } 27 28 void TPushBtn2::enterEvent(QEvent *) 29 { 30 _alpha = 255; 31 _nDirection = 1; 32 changeMe(); 33 } 34 35 void TPushBtn2::leaveEvent(QEvent *) 36 { 37 if(_alphaTimer) killTimer(_alphaTimer); 38 _nDirection = -1; 39 _alphaTimer = startTimer(100); 40 } 41 42 void TPushBtn2::changeMe() 43 { 44 _alpha += 45 * _nDirection; 45 46 QPalette pal =this-> palette(); 47 48 QColor cr = pal.window().color(); 49 50 if(_alpha >= 255){ 51 if(_alphaTimer) killTimer(_alphaTimer); 52 _alphaTimer = 0; 53 _alpha = 255 ; 54 } else if( _alpha <= 0) { 55 killTimer(_alphaTimer); 56 _alphaTimer = 0; 57 _alpha = 0 ; 58 } 59 cr.setRed(_alpha); 60 cr.setBlue(_alpha); 61 pal.setColor(QPalette::All,QPalette::Button , cr); 62 63 this-> setPalette(pal); 64 }
作者:疯狂Delphi
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