Qt 键值对照表如下: | 枚举值 | 键值 | 备注 | | : | : | : | | Key_Escape | 0x01000000 | Esc键(左上角) | | Key_Tab | 0x01000001 | Tab键(制表键) | | Key_Backtab | 0x01000002 |
void MyView::keyPressEvent(QKeyEvent *event) { switch (event->key()) { //数字“-”键 case Qt::Key_Plus : scale(1.2, 1.2); break; //数字“+”键 case Qt::Key_Minus : scale(1 / 1.2, 1 / 1.2); break; //右方向键 case Qt::Key_Right : rotate(30); break; } QGraphicsView:...
4、e() /响应按键“=”,调用计算功能switch(oper)case qt:key_plus: /加法firstnum += secondnum;break;case qt:key_minus: /减法firstnum -= secondnum;break;case qt:key_asterisk: /乘法firstnum *= secondnum;break;case qt:key_slash: /除法firstnum /= secondnum;break;default: firstnum = fir...
最常见的事件处理办法就是重载象mousePressEvent(), keyPressEvent(), paintEvent() 这样的特定事件处理函数. 以按键事件为例, 一个典型的处理函数如下: void imageView::keyPressEvent(QKeyEvent *event) { switch (event->key()) { case Key_Plus: zoomIn(); break; case Key_Minus: zoomOut(); break;...
voidChartView::keyPressEvent(QKeyEvent*event){switch(event->key()){caseQt::Key_Plus:chart()->zoomIn();break;caseQt::Key_Minus:chart()->zoomOut();break; 我们还创建了自己的QChart: 代码语言:javascript 复制 classChart:publicQChart ...
m_KeyMap.insert(Qt::Key_Return,0x0D); m_KeyMap.insert(Qt::Key_Enter,0x0D); m_KeyMap.insert(Qt::Key_Shift,0x10); m_KeyMap.insert(Qt::Key_Control,0x11); m_KeyMap.insert(Qt::Key_Alt,0x12); m_KeyMap.insert(Qt::Key_Pause,0x13); ...
最常见的事件处理办法就是重载象mousePressEvent(), keyPressEvent(), paintEvent() 这样的特定事件处理函数. 以按键事件为例, 一个典型的处理函数如下: void imageView::keyPressEvent(QKeyEvent *event) { switch (event->key()) { case Key_Plus: ...
voidChartView::keyPressEvent(QKeyEvent*event){switch(event->key()){caseQt::Key_Plus:chart()->zoomIn();break;caseQt::Key_Minus:chart()->zoomOut();break;caseQt::Key_Left:chart()->scroll(-1.0,0);break;caseQt::Key_Right:chart()->scroll(1.0,0);break;caseQt::Key_Up:chart()->scro...
case Qt::Key_Question://? case Qt::Key_Slash: // / case Qt::Key_Question: //? keyCode = AKEYCODE_SLASH; break; case Qt::Key_At://@ case Qt::Key_At: //@ keyCode = AKEYCODE_AT; break; case Qt::Key_Plus://+ case Qt::Key_Plus: //+ keyCode = AKEYCODE_PLUS; break; ...
openssl, curl is a header file plus library c ++ call python (callpython) (./ ccxx / sample / callpython), python call c ++ (cxpython) (./ ccxx / ccxx / cxpython). Referto [https://github.com/oudream/hello-cmake ] (https://github.com/oudream/hello-cmake) The official sample...