#include "Dialog.h"

#include <QStyleOption>
#include <QPainter>
#include <QVBoxLayout>

#include "FrameTitleBar.h"
#include "FramelessDelegate.h"

Dialog::Dialog(QWidget* parent)
    : QDialog(parent)
    , delegate_(FramelessDelegate::Create(this)) {
    setWindowFlags(windowFlags() | Qt::Window | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint);

    InitFrame();
}

void Dialog::DeleteThisOnClose() {
    setAttribute(Qt::WA_DeleteOnClose);
}


void Dialog::SetTitleBar(FrameTitleBar* titleBar) {
    delegate_->SetTitleBar(titleBar);

    QVBoxLayout* layout = reinterpret_cast<QVBoxLayout*>(this->layout());
    layout->insertWidget(0, titleBar, 0);
}

void Dialog::SetTitle(const QString& title) {
    if (!delegate_) {
        return;
    }

    delegate_->SetTitle(title);
}

void Dialog::hideEvent(QHideEvent*) {

}

bool Dialog::eventFilter(QObject*, QEvent*) {
    return false;
}
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
bool Dialog::nativeEvent(const QByteArray& eventType, void* message, long* result) {
#else
bool Dialog::nativeEvent(const QByteArray& eventType, void* message, qintptr* result) {
#endif 
    if (!delegate_->nativeEvent(eventType, message, result)) {
        return QDialog::nativeEvent(eventType, message, result);
    }
    return true;
}

void Dialog::paintEvent(QPaintEvent* event) {
    QStyleOption opt;
    opt.initFrom(this);

    QPainter p(this);
    style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}

void Dialog::InitFrame() {
    FrameTitleBar* titleBar = new FrameTitleBar(this);
    titleBar->SetMainWidget(this);

    titleBar->SetSysButton(FrameTitleBar::FTB_ICON | FrameTitleBar::FTB_CLOSE | FrameTitleBar::FTB_TTILE);

    QVBoxLayout* layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(0);

    layout->setStretch(0, 0);
    layout->setStretch(1, 1);
    layout->setAlignment(Qt::AlignLeft | Qt::AlignTop);
    SetTitleBar(titleBar);

    mainDilag_ = new QWidget(this);
    layout->addWidget(mainDilag_, 1);
}