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[ Qt ] | QPushButton常见用法

web 2025/7/19 5:08:21

绑定键盘快捷键

前面已经说了很多用法了，下面主要说说绑定键盘，设置Icon图片。

绑定键盘快捷键

实现四个按钮，可以使用wsad来控制另一个按钮的上下左右的移动。

#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui->setupUi(this);QIcon icon(":/koumo.png");this->setWindowIcon(icon);ui->pushButton_target->setIcon(icon);ui->pushButton_target->setIconSize(QSize(120, 120));ui->pushButton_up->setShortcut(Qt::CTRL + Qt::Key_W);ui->pushButton_down->setShortcut(Qt::Key_S);ui->pushButton_left->setShortcut(Qt::Key_A);ui->pushButton_right->setShortcut(Qt::Key_D);
}Widget::~Widget()
{delete ui;
}void Widget::on_pushButton_up_clicked()
{QRect rect =  ui->pushButton_target->geometry();ui->pushButton_target->setGeometry(rect.x(), rect.y() - 5, rect.width(), rect.height());
}
void Widget::on_pushButton_down_clicked()
{QRect rect =  ui->pushButton_target->geometry();ui->pushButton_target->setGeometry(rect.x(), rect.y() + 5, rect.width(), rect.height());
}
void Widget::on_pushButton_left_clicked()
{QRect rect =  ui->pushButton_target->geometry();ui->pushButton_target->setGeometry(rect.x() - 5, rect.y(), rect.width(), rect.height());
}
void Widget::on_pushButton_right_clicked()
{QRect rect =  ui->pushButton_target->geometry();ui->pushButton_target->setGeometry(rect.x() + 5, rect.y(), rect.width(), rect.height());
}