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qt_demoe/video/videopanel/videobox.cpp

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#pragma execution_character_set("utf-8")
#include "videobox.h"
#include "qmenu.h"
#include "qaction.h"
#include "qgridlayout.h"
#include "qdebug.h"
VideoBox::VideoBox(QObject *parent) : QObject(parent)
{
maxCount = 64;
layoutType = "1_16";
gridLayout = NULL;
menuFlag = "画面";
actionFlag = "通道";
//通过这里设置好数据下面只需要循环添加和判断就行(灵活性大大增强/只需要这里改动下就行)
//自定义x布局/按照行列数生成/可以通过appendtype函数添加其他类型
//1_2x4表示通道1开始2x4行列布局画面(相当于通道1-8按照2行4列排列)
//9_2x4表示通道9开始2x4行列布局画面(相当于通道9-16按照2行4列排列)
types.insert("x", QStringList() << "1_1x1" << "1_4x1" << "1_2x4" << "9_2x4" << "1_3x2" << "1_4x2" << "1_5x2" << "1_6x2" << "1_7x2" << "1_8x2");
//自定义y布局/主要是一些用户定义的不规则的排列布局/加个y用于区分其他布局/可能有雷同
types.insert("y", QStringList() << "y_1_2" << "y_1_3" << "y_1_5" << "y_1_8" << "y_1_9" << "y_1_10" << "y_1_12" << "y_1_16");
//1_4表示通道1-通道4/前面是通道开始的索引/后面是通道结束的索引
types.insert("4", QStringList() << "1_4" << "5_8" << "9_12" << "13_16" << "17_20" << "21_24" << "25_28" << "29_32" << "33_36");
types.insert("6", QStringList() << "1_6" << "7_12" << "13_18" << "19_24" << "25_30" << "31_36");
types.insert("8", QStringList() << "1_8" << "9_16" << "17_24" << "25_32" << "33_40" << "41_48" << "49_57" << "57_64");
types.insert("9", QStringList() << "1_9" << "9_17" << "18_26" << "27_35" << "36_42" << "43_50" << "51_59");
types.insert("13", QStringList() << "1_13" << "14_26" << "27_39" << "40_52" << "52_64");
types.insert("16", QStringList() << "1_16" << "17_32" << "33_48" << "49_64");
types.insert("25", QStringList() << "1_25");
types.insert("36", QStringList() << "1_36");
types.insert("64", QStringList() << "1_64");
//默认全部可见
int count = types.count();
for (int i = 0; i < count; ++i) {
visibles << true;
}
}
void VideoBox::addMenu(QMenu *menu, const QString &type)
{
//父菜单文字
QString name = QString("切换到%1%2").arg(type).arg(menuFlag);
//链表中取出该布局大类下的小类集合
QStringList flags = types.value(type);
//超过一个子元素则添加子菜单
QMenu *menuSub;
if (flags.count() > 1) {
menuSub = menu->addMenu(name);
} else {
menuSub = menu;
}
foreach (QString flag, flags) {
QString text;
QStringList list = flag.split("_");
QString start = list.at(0);
QString end = list.at(1);
start = QString("%1").arg(start, 2, QChar('0'));
//对应菜单文本
if (type == "x") {
list = end.split("x");
text = QString("%1 x %2").arg(list.at(0)).arg(list.at(1));
text = QString("%1%2 (%3)").arg(actionFlag).arg(start).arg(text);
} else if (type == "y") {
start = list.at(1);
end = list.at(2);
start = QString("%1").arg(start, 2, QChar('0'));
end = QString("%1").arg(end, 2, QChar('0'));
text = QString("%1%2-%1%3").arg(actionFlag).arg(start).arg(end);
} else {
end = QString("%1").arg(end, 2, QChar('0'));
text = QString("%1%2-%1%3").arg(actionFlag).arg(start).arg(end);
}
//只有一个节点则子菜单文字=主菜单文字
if (flags.count() == 1) {
text = name;
}
//添加菜单动作
QAction *action = menuSub->addAction(text, this, SLOT(change_layout()));
//设置弱属性传入大类和子类布局标识等
action->setProperty("index", start);
action->setProperty("type", type);
action->setProperty("flag", flag);
}
}
//行列数一致的比如 2*2 3*3 4*4 5*5 等可以直接套用通用的公式
//按照这个函数还可以非常容易的拓展出 10*10 16*16=256 通道界面
void VideoBox::change_layout_normal(int index, int row, int column)
{
int size = 0;
int rowCount = 0;
int columnCount = 0;
//首先隐藏所有通道
hide_all();
//按照指定的行列数逐个添加
for (int i = 0; i < maxCount; ++i) {
if (i >= index) {
//添加到对应布局并设置可见
gridLayout->addWidget(widgets.at(i), rowCount, columnCount);
widgets.at(i)->setVisible(true);
size++;
columnCount++;
if (columnCount == column) {
rowCount++;
columnCount = 0;
}
}
//到了规定的数量则不用继续
if (size == (row * column)) {
break;
}
}
}
void VideoBox::change_layout_custom(int index, int type)
{
//从开始索引开始往后衍生多少个通道
QList<int> indexs;
for (int i = index; i < (index + type); ++i) {
indexs << i;
}
//过滤防止索引越界
if (indexs.count() < type) {
return;
}
if (type == 6 || type == 8 || type == 10 || type == 12 || type == 16) {
change_layout_l(indexs);
} else if (type == 13) {
change_layout_o(indexs);
}
}
void VideoBox::change_layout_visible(int start, int end)
{
//设置通道控件可见
for (int i = start; i <= end; ++i) {
widgets.at(i)->setVisible(true);
}
}
void VideoBox::change_layout_l(const QList<int> &indexs)
{
//通过观察发现这种都是左上角一个大通道/右侧和底部排列几个小通道
int count = indexs.count();
int num = count / 2;
int flag = num - 1;
//首先隐藏所有通道
hide_all();
//添加大通道
gridLayout->addWidget(widgets.at(indexs.at(0)), 0, 0, flag, flag);
//添加右侧小通道
for (int i = 0; i < flag; ++i) {
gridLayout->addWidget(widgets.at(indexs.at(i + 1)), i, flag);
}
//添加底部小通道
for (int i = num; i < count; ++i) {
gridLayout->addWidget(widgets.at(indexs.at(i)), flag, count - i - 1);
}
//下面添加6通道/这里留着挨个添加的写法/方便学习和对比
#if 0
gridLayout->addWidget(widgets.at(indexs.at(0)), 0, 0, 2, 2);
gridLayout->addWidget(widgets.at(indexs.at(1)), 0, 2, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(2)), 1, 2, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(3)), 2, 2, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(4)), 2, 1, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(5)), 2, 0, 1, 1);
#endif
//设置通道控件可见
change_layout_visible(indexs.first(), indexs.last());
}
void VideoBox::change_layout_o(const QList<int> &indexs)
{
//首先隐藏所有通道
hide_all();
//挨个重新添加到布局
gridLayout->addWidget(widgets.at(indexs.at(0)), 0, 0, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(1)), 0, 1, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(2)), 0, 2, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(3)), 0, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(4)), 1, 0, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(5)), 2, 0, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(6)), 1, 1, 2, 2);
gridLayout->addWidget(widgets.at(indexs.at(7)), 1, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(8)), 2, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(9)), 3, 0, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(10)), 3, 1, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(11)), 3, 2, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(12)), 3, 3, 1, 1);
//设置通道控件可见
change_layout_visible(indexs.first(), indexs.last());
}
QString VideoBox::getLayoutType() const
{
return this->layoutType;
}
void VideoBox::setLayoutType(const QString &layoutType)
{
this->layoutType = layoutType;
}
QWidgetList VideoBox::getWidgets() const
{
return this->widgets;
}
void VideoBox::setWidgets(QWidgetList widgets)
{
this->widgets = widgets;
this->maxCount = widgets.count();
}
void VideoBox::setLayout(QGridLayout *gridLayout)
{
this->gridLayout = gridLayout;
}
void VideoBox::setMenuFlag(const QString &menuFlag)
{
this->menuFlag = menuFlag;
}
void VideoBox::setActionFlag(const QString &actionFlag)
{
this->actionFlag = actionFlag;
}
void VideoBox::setVisibles(const QList<bool> &visibles)
{
this->visibles = visibles;
}
void VideoBox::appendType(int index, int row, int column)
{
//先要过滤下是否满足最大通道数量/start从1开始
if (((index - 1) + (row * column)) > maxCount) {
return;
}
//追加到x布局后面
QString type = QString("%1_%2x%3").arg(index).arg(row).arg(column);
QMap<QString, QStringList>::iterator iter = types.begin();
while (iter != types.end()) {
if (iter.key() == "x") {
QStringList value = iter.value();
if (!value.contains(type)) {
value.append(type);
types["x"] = value;
}
break;
}
iter++;
}
}
void VideoBox::initMenu(QMenu *menu)
{
//约定依次是按照顺序控制启用状态
int count = visibles.count();
if (count > 0 && visibles.at(0)) {
addMenu(menu, "x");
}
if (count > 1 && visibles.at(1)) {
addMenu(menu, "y");
}
if (count > 2 && visibles.at(2)) {
addMenu(menu, "4");
}
if (count > 3 && visibles.at(3)) {
addMenu(menu, "6");
}
if (count > 4 && visibles.at(4)) {
addMenu(menu, "8");
}
if (count > 5 && visibles.at(5)) {
addMenu(menu, "9");
}
if (count > 6 && visibles.at(6)) {
addMenu(menu, "13");
}
if (count > 7 && visibles.at(7)) {
addMenu(menu, "16");
}
if (count > 8 && visibles.at(8)) {
addMenu(menu, "25");
}
if (count > 9 && visibles.at(9)) {
addMenu(menu, "36");
}
if (count > 10 && visibles.at(10)) {
addMenu(menu, "64");
}
}
void VideoBox::show_all()
{
//一般是从配置文件读取到了最后的通道画面类型进行设置
int type = 1;
int index = layoutType.split("_").first().toInt() - 1;
//y开头的布局需要重置索引=0
if (layoutType.startsWith("y")) {
index = 0;
}
QMap<QString, QStringList>::iterator iter = types.begin();
while (iter != types.end()) {
QStringList flags = iter.value();
if (flags.contains(layoutType)) {
type = iter.key().toInt();
change_layout(type, index);
return;
}
iter++;
}
//如果运行到这里说明设置了不存在的布局/强制纠正
layoutType = "1_4";
this->show_all();
}
void VideoBox::hide_all()
{
for (int i = 0; i < maxCount; ++i) {
gridLayout->removeWidget(widgets.at(i));
widgets.at(i)->setVisible(false);
}
}
void VideoBox::change_layout()
{
//识别具体是哪个动作菜单触发的
QAction *action = (QAction *)sender();
//从弱属性取出值
int index = action->property("index").toInt() - 1;
int type = action->property("type").toInt();
QString layoutType = action->property("flag").toString();
//只有当画面布局类型改变了才需要切换
if (this->layoutType != layoutType) {
this->layoutType = layoutType;
change_layout(type, index);
}
}
void VideoBox::change_layout(int type, int index)
{
//根据不同的父菜单类型执行对应的函数
if (type == 0) {
if (layoutType.contains("x")) {
//取出行列
QString text = layoutType.split("_").last();
QStringList list = text.split("x");
int row = list.at(0).toInt();
int column = list.at(1).toInt();
change_layout_normal(index, row, column);
//只有1个通道需要更改类型/方便外面区分当前是1通道
if (layoutType.endsWith("1x1")) {
type = 1;
}
} else if (layoutType == "y_1_2") {
change_layout_y_1_2(index);
} else if (layoutType == "y_1_3") {
change_layout_y_1_3(index);
} else if (layoutType == "y_1_5") {
change_layout_y_1_5(index);
} else if (layoutType == "y_1_8") {
change_layout_y_1_8(index);
} else if (layoutType == "y_1_9") {
change_layout_y_1_9(index);
} else if (layoutType == "y_1_10") {
change_layout_y_1_10(index);
} else if (layoutType == "y_1_12") {
change_layout_y_1_12(index);
} else if (layoutType == "y_1_16") {
change_layout_y_1_16(index);
}
} else if (type == 1) {
change_layout_1(index);
} else if (type == 4) {
change_layout_4(index);
} else if (type == 6) {
change_layout_6(index);
} else if (type == 8) {
change_layout_8(index);
} else if (type == 9) {
change_layout_9(index);
} else if (type == 13) {
change_layout_13(index);
} else if (type == 16) {
change_layout_16(index);
} else if (type == 25) {
change_layout_25(index);
} else if (type == 36) {
change_layout_36(index);
} else if (type == 64) {
change_layout_64(index);
}
Q_EMIT changeLayout(type, layoutType, false);
}
void VideoBox::change_layout_y_1_2(int index)
{
change_layout_normal(index, 1, 2);
}
void VideoBox::change_layout_y_1_3(int index)
{
//首先隐藏所有通道
hide_all();
//添加通道到布局
gridLayout->addWidget(widgets.at(index + 0), 0, 0, 1, 2);
gridLayout->addWidget(widgets.at(index + 1), 1, 0, 1, 1);
gridLayout->addWidget(widgets.at(index + 2), 1, 1, 1, 1);
//设置通道控件可见
change_layout_visible(index, index + 2);
}
void VideoBox::change_layout_y_1_5(int index)
{
//首先隐藏所有通道
hide_all();
//依次左上/左下/
gridLayout->addWidget(widgets.at(index + 0), 0, 0, 1, 2);
gridLayout->addWidget(widgets.at(index + 1), 1, 0, 2, 1);
gridLayout->addWidget(widgets.at(index + 2), 1, 1, 1, 1);
gridLayout->addWidget(widgets.at(index + 3), 2, 1, 1, 1);
gridLayout->addWidget(widgets.at(index + 4), 0, 2, 3, 1);
//设置通道控件可见
change_layout_visible(index, index + 4);
}
void VideoBox::change_layout_y_1_8(int index)
{
//首先隐藏所有通道
hide_all();
//添加上面4个通道
gridLayout->addWidget(widgets.at(index + 0), 0, 0, 1, 1);
gridLayout->addWidget(widgets.at(index + 1), 0, 1, 1, 1);
gridLayout->addWidget(widgets.at(index + 2), 0, 2, 1, 1);
gridLayout->addWidget(widgets.at(index + 3), 0, 3, 1, 1);
//添加中间全景通道
gridLayout->addWidget(widgets.at(index + 8), 1, 0, 1, 4);
//添加下面4个通道
gridLayout->addWidget(widgets.at(index + 4), 2, 0, 1, 1);
gridLayout->addWidget(widgets.at(index + 5), 2, 1, 1, 1);
gridLayout->addWidget(widgets.at(index + 6), 2, 2, 1, 1);
gridLayout->addWidget(widgets.at(index + 7), 2, 3, 1, 1);
//设置通道控件可见
change_layout_visible(index, index + 8);
}
void VideoBox::change_layout_y_1_9(int index)
{
//首先隐藏所有通道
hide_all();
//添加通道到布局
gridLayout->addWidget(widgets.at(index + 0), 0, 0, 2, 2);
gridLayout->addWidget(widgets.at(index + 1), 0, 2, 1, 1);
gridLayout->addWidget(widgets.at(index + 2), 0, 3, 1, 1);
gridLayout->addWidget(widgets.at(index + 3), 1, 2, 1, 1);
gridLayout->addWidget(widgets.at(index + 4), 1, 3, 1, 1);
gridLayout->addWidget(widgets.at(index + 5), 2, 3, 1, 1);
gridLayout->addWidget(widgets.at(index + 6), 2, 2, 1, 1);
gridLayout->addWidget(widgets.at(index + 7), 2, 1, 1, 1);
gridLayout->addWidget(widgets.at(index + 8), 2, 0, 1, 1);
//设置通道控件可见
change_layout_visible(index, index + 8);
}
void VideoBox::change_layout_y_1_10(int index)
{
change_layout_custom(index, 10);
}
void VideoBox::change_layout_y_1_12(int index)
{
change_layout_custom(index, 12);
}
void VideoBox::change_layout_y_1_16(int index)
{
change_layout_custom(index, 16);
}
void VideoBox::change_layout_1(int index)
{
change_layout_normal(index, 1, 1);
}
void VideoBox::change_layout_4(int index)
{
change_layout_normal(index, 2, 2);
}
void VideoBox::change_layout_6(int index)
{
change_layout_custom(index, 6);
}
void VideoBox::change_layout_8(int index)
{
change_layout_custom(index, 8);
}
void VideoBox::change_layout_9(int index)
{
change_layout_normal(index, 3, 3);
}
void VideoBox::change_layout_13(int index)
{
change_layout_custom(index, 13);
}
void VideoBox::change_layout_16(int index)
{
change_layout_normal(index, 4, 4);
}
void VideoBox::change_layout_25(int index)
{
change_layout_normal(index, 5, 5);
}
void VideoBox::change_layout_36(int index)
{
change_layout_normal(index, 6, 6);
}
void VideoBox::change_layout_64(int index)
{
change_layout_normal(index, 8, 8);
}
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