qt_demoe/video/videobox/videobox.cpp

384 lines
10 KiB
C++

#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)
{
gridLayout = 0;
videoCount = 64;
videoType = "1_16";
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
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");
}
void VideoBox::addMenu(QMenu *menu, int 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) {
QStringList list = flag.split("_");
QString start = list.at(0);
QString end = list.at(1);
//对应菜单文本
QString text = QString("%1%2-%1%3").arg(actionFlag).arg(start).arg(end);
if (flags.count() == 1) {
text = name;
}
//添加菜单动作
QAction *action = menuSub->addAction(text, this, SLOT(show_video()));
//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);
}
}
void VideoBox::setVideoType(const QString &videoType)
{
this->videoType = videoType;
}
void VideoBox::setLayout(QGridLayout *gridLayout)
{
this->gridLayout = gridLayout;
}
void VideoBox::setWidgets(QWidgetList widgets)
{
this->widgets = widgets;
this->videoCount = widgets.count();
}
void VideoBox::setMenuFlag(const QString &menuFlag)
{
this->menuFlag = menuFlag;
}
void VideoBox::setActionFlag(const QString &actionFlag)
{
this->actionFlag = actionFlag;
}
void VideoBox::setTypes(const QMap<int, QStringList> &types)
{
this->types = types;
}
void VideoBox::initMenu(QMenu *menu, const QList<bool> &enable)
{
//通过菜单是否可见设置每个菜单可见与否
if (enable.count() < 9) {
return;
}
if (enable.at(0)) {
addMenu(menu, 4);
}
if (enable.at(1)) {
addMenu(menu, 6);
}
if (enable.at(2)) {
addMenu(menu, 8);
}
if (enable.at(3)) {
addMenu(menu, 9);
}
if (enable.at(4)) {
addMenu(menu, 13);
}
if (enable.at(5)) {
addMenu(menu, 16);
}
if (enable.at(6)) {
addMenu(menu, 25);
}
if (enable.at(7)) {
addMenu(menu, 36);
}
if (enable.at(8)) {
addMenu(menu, 64);
}
}
void VideoBox::show_video(int type, int index)
{
//根据不同的父菜单类型执行对应的函数
if (type == 1) {
change_video_1(index);
} else if (type == 4) {
change_video_4(index);
} else if (type == 6) {
change_video_6(index);
} else if (type == 8) {
change_video_8(index);
} else if (type == 9) {
change_video_9(index);
} else if (type == 13) {
change_video_13(index);
} else if (type == 16) {
change_video_16(index);
} else if (type == 25) {
change_video_25(index);
} else if (type == 36) {
change_video_36(index);
} else if (type == 64) {
change_video_64(index);
}
emit changeVideo(type, videoType, false);
}
void VideoBox::show_video()
{
//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 videoType = action->property("flag").toString();
//只有当画面布局类型改变了才需要切换
if (this->videoType != videoType) {
this->videoType = videoType;
show_video(type, index);
}
}
void VideoBox::show_video_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;
if (videoType.startsWith("0_")) {
int index = videoType.split("_").last().toInt() - 1;
change_video_1(index);
emit changeVideo(type, videoType, true);
} else {
int index = videoType.split("_").first().toInt() - 1;
QMap<int, QStringList>::iterator iter = types.begin();
while (iter != types.end()) {
QStringList flags = iter.value();
if (flags.contains(videoType)) {
type = iter.key();
show_video(type, index);
break;
}
iter++;
}
}
}
void VideoBox::hide_video_all()
{
for (int i = 0; i < videoCount; ++i) {
gridLayout->removeWidget(widgets.at(i));
widgets.at(i)->setVisible(false);
}
}
void VideoBox::change_video_normal(int index, int flag)
{
//首先隐藏所有通道
hide_video_all();
int count = 0;
int row = 0;
int column = 0;
//行列数一致的比如 2*2 3*4 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
for (int i = 0; i < videoCount; ++i) {
if (i >= index) {
//添加到对应布局并设置可见
gridLayout->addWidget(widgets.at(i), row, column);
widgets.at(i)->setVisible(true);
count++;
column++;
if (column == flag) {
row++;
column = 0;
}
}
if (count == (flag * flag)) {
break;
}
}
}
void VideoBox::change_video_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;
}
if (type == 6) {
change_video_6(indexs);
} else if (type == 8) {
change_video_8(indexs);
} else if (type == 13) {
change_video_13(indexs);
}
}
void VideoBox::change_video_6(const QList<int> &indexs)
{
//过滤防止索引越界
if (indexs.count() < 6) {
return;
}
//首先隐藏所有通道
hide_video_all();
//挨个重新添加到布局
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);
//设置通道控件可见
for (int i = indexs.first(); i <= indexs.last(); ++i) {
widgets.at(i)->setVisible(true);
}
}
void VideoBox::change_video_8(const QList<int> &indexs)
{
//过滤防止索引越界
if (indexs.count() < 8) {
return;
}
//首先隐藏所有通道
hide_video_all();
//挨个重新添加到布局
gridLayout->addWidget(widgets.at(indexs.at(0)), 0, 0, 3, 3);
gridLayout->addWidget(widgets.at(indexs.at(1)), 0, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(2)), 1, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(3)), 2, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(4)), 3, 3, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(5)), 3, 2, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(6)), 3, 1, 1, 1);
gridLayout->addWidget(widgets.at(indexs.at(7)), 3, 0, 1, 1);
//设置通道控件可见
for (int i = indexs.first(); i <= indexs.last(); ++i) {
widgets.at(i)->setVisible(true);
}
}
void VideoBox::change_video_13(const QList<int> &indexs)
{
//过滤防止索引越界
if (indexs.count() < 13) {
return;
}
//首先隐藏所有通道
hide_video_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
for (int i = indexs.first(); i <= indexs.last(); ++i) {
widgets.at(i)->setVisible(true);
}
}
void VideoBox::change_video_1(int index)
{
//首先隐藏所有通道
hide_video_all();
//添加通道到布局
gridLayout->addWidget(widgets.at(index), 0, 0);
//设置可见
widgets.at(index)->setVisible(true);
}
void VideoBox::change_video_4(int index)
{
change_video_normal(index, 2);
}
void VideoBox::change_video_6(int index)
{
change_video_custom(index, 6);
}
void VideoBox::change_video_8(int index)
{
change_video_custom(index, 8);
}
void VideoBox::change_video_9(int index)
{
change_video_normal(index, 3);
}
void VideoBox::change_video_13(int index)
{
change_video_custom(index, 13);
}
void VideoBox::change_video_16(int index)
{
change_video_normal(index, 4);
}
void VideoBox::change_video_25(int index)
{
change_video_normal(index, 5);
}
void VideoBox::change_video_36(int index)
{
change_video_normal(index, 6);
}
void VideoBox::change_video_64(int index)
{
change_video_normal(index, 8);
}