qt_demoe/video/videobox/frmvideobox.cpp

107 lines
3.0 KiB
C++

#pragma execution_character_set("utf-8")
#include "frmvideobox.h"
#include "ui_frmvideobox.h"
#include "videobox.h"
#include "qapplication.h"
#include "qevent.h"
#include "qlabel.h"
#include "qmenu.h"
#include "qcursor.h"
#include "qlist.h"
#include "qdebug.h"
frmVideoBox::frmVideoBox(QWidget *parent) : QWidget(parent), ui(new Ui::frmVideoBox)
{
ui->setupUi(this);
this->initForm();
}
frmVideoBox::~frmVideoBox()
{
delete ui;
}
bool frmVideoBox::eventFilter(QObject *watched, QEvent *event)
{
if (event->type() == QEvent::MouseButtonDblClick) {
//双击最大化再次双击还原
QLabel *widget = (QLabel *) watched;
if (!max) {
max = true;
box->hide_all();
ui->gridLayout->addWidget(widget, 0, 0);
widget->setVisible(true);
} else {
max = false;
box->show_all();
}
return true;
} else if (event->type() == QEvent::MouseButtonPress) {
//鼠标右键的地方弹出菜单
if (qApp->mouseButtons() == Qt::RightButton) {
menu->exec(QCursor::pos());
}
}
return QWidget::eventFilter(watched, event);
}
void frmVideoBox::initForm()
{
max = false;
//安装事件过滤器
this->installEventFilter(this);
//实例化子对象
QWidgetList widgets;
for (int i = 0; i < 64; ++i) {
//这里用QLabel做演示可以改成自己的窗体类比如视频监控窗体
QLabel *label = new QLabel;
label->installEventFilter(this);
label->setFrameShape(QLabel::Box);
label->setAlignment(Qt::AlignCenter);
label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
label->setText(QString("通道 %1").arg(i + 1, 2, 10, QChar('0')));
widgets << label;
}
//实例化盒子
box = new VideoBox(this);
//关联信号槽
connect(box, SIGNAL(changeLayout(int, QString, bool)), this, SLOT(changeLayout(int, QString, bool)));
//可以改成 1_4/5_8/1_36 等
box->setLayoutType("1_16");
box->setLayout(ui->gridLayout);
box->setWidgets(widgets);
//box->setMenuFlag("排列");
//box->setActionFlag("监控");
//增加自定义布局(通道1开始3行3列布局)
//box->appendType(1, 3, 4);
//实例化菜单/先添加自己的菜单
menu = new QMenu(this);
//这里关联到一个槽函数处理,也可以关联到不同的槽函数
menu->addAction("切换全屏模式", this, SLOT(doAction()));
menu->addAction("启动轮询视频", this, SLOT(doAction()));
menu->addSeparator();
//把菜单加到盒子上
box->initMenu(menu);
box->show_all();
}
void frmVideoBox::doAction()
{
//判断是哪个动作触发的
QAction *action = (QAction *)sender();
ui->label->setText(QString("触发了菜单: %1").arg(action->text()));
}
void frmVideoBox::changeLayout(int type, const QString &videoType, bool videoMax)
{
QString info = QString("主菜单:%1 子菜单:%2").arg(type).arg(videoType);
ui->label->setText(info);
}