QT实现视频监控开发画面分割

#include "layoutdia.h" #include "ui_layoutdia.h" #include <QDebug> LayoutDia::LayoutDia(QWidget *parent) : QDialog(parent), ui(new Ui::LayoutDia) { ui->setupUi(this); for (int i = 0; i < 25; i++){ playViews.append(NULL); } m_currentState = NoLayout; setPlayScreenLayout(Number_10,0); ui->comboBox->addItem("1", 1); ui->comboBox->addItem("4", 2); ui->comboBox->addItem("6", 3); ui->comboBox->addItem("8", 4); ui->comboBox->addItem("9", 5); ui->comboBox->addItem("10", 6); ui->comboBox->addItem("10_2", 7); ui->comboBox->addItem("13", 8); ui->comboBox->addItem("13_2", 9); ui->comboBox->addItem("14", 10); ui->comboBox->addItem("16", 11); ui->comboBox->addItem("17", 12); ui->comboBox->addItem("19", 13); ui->comboBox->addItem("22", 14); ui->comboBox->addItem("25", 15); ui->comboBox->setCurrentIndex(5); connect(ui->comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(onComboBoxCurrentIndexChanged(int))); } LayoutDia::~LayoutDia() { delete ui; } void LayoutDia::onComboBoxCurrentIndexChanged(int item) { //qDebug()<<item; //0 - 14 switch(item) { case 0:{ setPlayScreenLayout(JustOne,0); break; } case 1:{ setPlayScreenLayout(Number_4,0); break; } case 2:{ setPlayScreenLayout(Number_6,0); break; } case 3:{ setPlayScreenLayout(Number_8,0); break; } case 4:{ setPlayScreenLayout(Number_9,0); break; } case 5:{ setPlayScreenLayout(Number_10,0); break; } case 6:{ setPlayScreenLayout(Number_10_2,0); break; } case 7:{ setPlayScreenLayout(Number_13,0); break; } case 8:{ setPlayScreenLayout(Number_13_2,0); break; } case 9:{ setPlayScreenLayout(Number_14,0); break; } case 10:{ setPlayScreenLayout(Number_16,0); break; } case 11:{ setPlayScreenLayout(Number_17,0); break; } case 12:{ setPlayScreenLayout(Number_19,0); break; } case 13:{ setPlayScreenLayout(Number_22,0); break; } default:{ setPlayScreenLayout(Number_25,0); break; } } } ControlWin *LayoutDia::getView(uint num) { if (playViews[num] == NULL) { ControlWin *newView = new ControlWin; newView->setStyleSheet("QFrame{ border: 1px solid #0000CD;}"); //蓝色 playViews[num] = newView; return newView; } return playViews[num]; } void LayoutDia::setPlayScreenLayout(ChildState state, int start) { int newSize = 0; int oldSize = 0; int totalCount = playViews.count(); if(m_currentState != 0) { QLayout *oldlayout = ui->frame->layout(); oldSize = oldlayout->count(); for(uint i = 0; i < oldSize; i ++) { getView((m_layoutStart + i) % totalCount)->setVisible(false); } delete oldlayout; oldlayout=NULL; } QGridLayout *newLayout = new QGridLayout(); newLayout->setContentsMargins(1, 1, 1, 1); newLayout->setSpacing(0); switch(state) { case JustOne: { newLayout->addWidget(getView(start % totalCount)); newSize = 1; break; } case Number_4: { newLayout->addWidget(getView(start), 0, 0); newLayout->addWidget(getView((start + 1) % totalCount), 0, 1); newLayout->addWidget(getView((start + 2) % totalCount), 1, 0); newLayout->addWidget(getView((start + 3) % totalCount), 1, 1); newSize = 4; break; } case Number_6: { newLayout->addWidget(getView(start), 0, 0, 2, 2); newLayout->addWidget(getView((start + 1) % totalCount), 0, 2); newLayout->addWidget(getView((start + 2) % totalCount), 1, 2); newLayout->addWidget(getView((start + 3) % totalCount), 2, 0); newLayout->addWidget(getView((start + 4) % totalCount), 2, 1); newLayout->addWidget(getView((start + 5) % totalCount), 2, 2); newSize = 6; break; } case Number_9: { newLayout->addWidget(getView(start), 0, 0); newLayout->addWidget(getView((start + 1) % totalCount), 0, 1); newLayout->addWidget(getView((start + 2) % totalCount), 0, 2); newLayout->addWidget(getView((start + 3) % totalCount), 1, 0); newLayout->addWidget(getView((start + 4) % totalCount), 1, 1); newLayout->addWidget(getView((start + 5) % totalCount), 1, 2); newLayout->addWidget(getView((start + 6) % totalCount), 2, 0); newLayout->addWidget(getView((start + 7) % totalCount), 2, 1); newLayout->addWidget(getView((start + 8) % totalCount), 2, 2); newSize = 9; break; } case Number_8: { newLayout->addWidget(getView(start), 0, 0, 3, 3); newLayout->addWidget(getView((start + 1) % totalCount), 0, 3); newLayout->addWidget(getView((start + 2) % totalCount), 1, 3); newLayout->addWidget(getView((start + 3) % totalCount), 2, 3); newLayout->addWidget(getView((start + 4) % totalCount), 3, 0); newLayout->addWidget(getView((start + 5) % totalCount), 3, 1); newLayout->addWidget(getView((start + 6) % totalCount), 3, 2); newLayout->addWidget(getView((start + 7) % totalCount), 3, 3); newSize = 8; break; } case Number_10: { newLayout->addWidget(getView(start), 0, 0, 2, 2); newLayout->addWidget(getView((start + 1) % totalCount), 0, 2, 2, 2); newLayout->addWidget(getView((start + 2) % totalCount), 2, 0); newLayout->addWidget(getView((start + 3) % totalCount), 2, 1); newLayout->addWidget(getView((start + 4) % totalCount), 2, 2); newLayout->addWidget(getView((start + 5) % totalCount), 2, 3); newLayout->addWidget(getView((start + 6) % totalCount), 3, 0); newLayout->addWidget(getView((start + 7) % totalCount), 3, 1); newLayout->addWidget(getView((start + 8) % totalCount), 3, 2); newLayout->addWidget(getView((start + 9) % totalCount), 3, 3); newSize = 10; break; } case Number_13: { newLayout->addWidget(getView(start), 0, 0); newLayout->addWidget(getView((start + 1) % totalCount), 0, 1); newLayout->addWidget(getView((start + 2) % totalCount), 0, 2); newLayout->addWidget(getView((start + 3) % totalCount), 0, 3); newLayout->addWidget(getView((start + 4) % totalCount), 1, 0); newLayout->addWidget(getView((start + 5) % totalCount), 1, 1, 2, 2); newLayout->addWidget(getView((start + 6) % totalCount), 1, 3); newLayout->addWidget(getView((start + 7) % totalCount), 2, 0); newLayout->addWidget(getView((start + 8) % totalCount), 2, 3); newLayout->addWidget(getView((start + 9) % totalC