七、核心代碼

#include "frmmodulecenter.h"
#include "ui_frmmodulecenter.h"
#include "quiwidget.h"

frmModuleCenter::frmModuleCenter(QWidget *parent) : QWidget(parent), ui(new Ui::frmModuleCenter)
{
ui->setupUi(this);
this->initForm();
}

frmModuleCenter::~frmModuleCenter()
{
delete ui;
}

bool frmModuleCenter::eventFilter(QObject *watched, QEvent *event)
{
if (watched == this) {
if (event->type() == QEvent::MouseButtonPress) {
if (qApp->mouseButtons() == Qt::RightButton) {
menuMain->exec(QCursor::pos());
}
}
}

return QWidget::eventFilter(watched, event);
}

void frmModuleCenter::initForm()
{
ui->labName->setText(App::Title);
this->installEventFilter(this);

//滑鼠右鍵菜單
menuMain = new QMenu(this);

//從目錄下找布局文件自動生成菜單
menuLayout = menuMain->addMenu("布局方案");
QDir dir(App::LayoutPath);
QStringList files = dir.entryList(QStringList() << "*.ini");
foreach (QString file, files) {
QString name = file.split(".").first();
menuLayout->addAction(name, this, SLOT(changeLayout()));
}

menuTheme = menuMain->addMenu("配色方案");
menuTheme->addAction("紫色風格", this, SLOT(changeTheme()));
menuTheme->addAction("藍色風格", this, SLOT(changeTheme()));
menuTheme->addAction("深藍風格", this, SLOT(changeTheme()));
menuTheme->addAction("黑色風格", this, SLOT(changeTheme()));
menuTheme->addAction("自定義風格", this, SLOT(changeTheme()));
menuMain->addSeparator();

menuMain->addAction("新建布局", this, SLOT(doAction()));
menuMain->addAction("恢復布局", this, SLOT(doAction()));
menuMain->addAction("保存布局", this, SLOT(doAction()));
menuMain->addAction("布局另存", this, SLOT(doAction()));
menuMain->addSeparator();

menuMain->addAction("截取屏幕", this, SLOT(doAction()));
menuMain->addAction("退出系統", this, SLOT(doAction()));

//設置菜單允許複選框+選中配置文件對應菜單
actionLayout = menuLayout->actions();
foreach (QAction *action, actionLayout) {
action->setCheckable(true);
action->setChecked(action->text() == App::Layout);
}

actionTheme = menuTheme->actions();
foreach (QAction *action, actionTheme) {
action->setCheckable(true);
action->setChecked(action->text() == App::Theme);
}
}

void frmModuleCenter::changeLayout()
{
QAction *ac = (QAction *)sender();
emit changeLayout(ac->text());
foreach (QAction *action, actionLayout) {
action->setChecked(action == ac);
}
}

void frmModuleCenter::changeTheme()
{
QAction *ac = (QAction *)sender();
emit changeTheme(ac->text());
foreach (QAction *action, actionTheme) {
action->setChecked(action == ac);
}
}

void frmModuleCenter::addLayout(const QString &layout, int type)
{
if (!layout.isEmpty()) {
//判斷名稱不能重複
foreach (QAction *action, actionLayout) {
if (action->text() == layout) {
QUIHelper::showMessageBoxError("布局已經存在,請重新輸入!", 3);
return;
}
}

//增加右鍵菜單中的布局子菜單
QAction *action = menuLayout->addAction(layout, this, SLOT(changeLayout()));
//取消原有所有選中
foreach (QAction *action, actionLayout) {
action->setChecked(false);
}

action->setCheckable(true);
action->setChecked(true);
actionLayout.append(action);
emit saveLayout(layout, type);
}
}

void frmModuleCenter::doAction()
{
QAction *action = (QAction *)sender();
QString text = action->text();

if (text == "新建布局") {
QString layout = QUIHelper::showInputBox("布局名稱");
addLayout(layout, 0);
} else if (text == "恢復布局") {
emit saveLayout("", 1);
} else if (text == "保存布局") {
if (QUIHelper::showMessageBoxQuestion("確定要保存嗎?保存後不可恢復!") == QMessageBox::Yes) {
emit saveLayout(App::Layout, 2);
QUIHelper::showMessageBoxInfo("恭喜,保存當前布局成功!", 3);
}
} else if (text == "布局另存") {
QString layout = QUIHelper::showInputBox("布局名稱");
addLayout(layout, 3);
} else if (text == "截取屏幕") {
QWidget *w = (QWidget *)this->parent();
if (w == 0) {
return;
}

QPixmap pix;
int x = 0;
int y = 0;
int width = w->width() - 0;
int height = w->height() - 0;

#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
pix = pix.grabWindow(w->winId(), x, y, width, height);
#else
QScreen *pscreen = QApplication::primaryScreen();
pix = pscreen->grabWindow(w->winId(), x, y, width, height);
#endif

QString file = QString("%1/snap/%2_%3.png").arg(QUIHelper::appPath()).arg(App::Theme).arg(App::Layout);
pix.save(file, "png");
} else if (text == "退出系統") {
emit closeAll();
}
}

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