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#include "lc_global.h"
#include "lc_colorpicker.h"
#include "lc_colorlist.h"
#include "lc_colors.h"
lcColorPickerPopup::lcColorPickerPopup(QWidget* Parent, int ColorIndex, bool AllowNoColor)
: QFrame(Parent, Qt::Popup)
{
setFrameStyle(QFrame::StyledPanel);
setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
setFocusPolicy(Qt::StrongFocus);
setMouseTracking(true);
QGridLayout *layout = new QGridLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
setLayout(layout);
mColorList = new lcColorList(this, AllowNoColor);
connect(mColorList, &lcColorList::ColorChanged, this, &lcColorPickerPopup::ColorChanged);
connect(mColorList, &lcColorList::ColorSelected, this, &lcColorPickerPopup::ColorSelected);
layout->addWidget(mColorList);
mColorList->blockSignals(true);
mColorList->SetCurrentColor(ColorIndex);
mColorList->blockSignals(false);
mEventLoop = nullptr;
}
lcColorPickerPopup::~lcColorPickerPopup()
{
if (mEventLoop)
mEventLoop->exit();
}
void lcColorPickerPopup::exec()
{
show();
QEventLoop EventLoop;
mEventLoop = &EventLoop;
(void) EventLoop.exec();
mEventLoop = nullptr;
}
void lcColorPickerPopup::mouseReleaseEvent(QMouseEvent* MouseEvent)
{
if (!rect().contains(MouseEvent->pos()))
hide();
}
void lcColorPickerPopup::hideEvent(QHideEvent* HideEvent)
{
if (mEventLoop)
mEventLoop->exit();
emit Hid();
QFrame::hideEvent(HideEvent);
}
void lcColorPickerPopup::ColorChanged(int ColorIndex)
{
emit Changed(ColorIndex);
}
void lcColorPickerPopup::ColorSelected(int ColorIndex)
{
emit Selected(ColorIndex);
hide();
}
void lcColorPickerPopup::showEvent(QShowEvent* ShowEvent)
{
Q_UNUSED(ShowEvent);
mColorList->setFocus();
}
lcColorPicker::lcColorPicker(QWidget* Parent, bool AllowNoColor)
: QPushButton(Parent), mAllowNoColor(AllowNoColor)
{
setFocusPolicy(Qt::StrongFocus);
setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
setAutoDefault(false);
setCheckable(true);
UpdateIcon();
connect(this, &QPushButton::toggled, this, &lcColorPicker::ButtonPressed);
}
lcColorPicker::~lcColorPicker()
{
}
void lcColorPicker::SetCurrentColor(int ColorIndex)
{
Selected(ColorIndex);
}
void lcColorPicker::SetCurrentColorCode(int ColorCode)
{
SetCurrentColor(lcGetColorIndex(ColorCode));
}
int lcColorPicker::GetCurrentColor() const
{
return mCurrentColorIndex;
}
int lcColorPicker::GetCurrentColorCode() const
{
return gColorList[mCurrentColorIndex].Code;
}
void lcColorPicker::ButtonPressed(bool Toggled)
{
if (!Toggled)
return;
lcColorPickerPopup* Popup = new lcColorPickerPopup(this, mCurrentColorIndex, mAllowNoColor);
connect(Popup, &lcColorPickerPopup::Changed, this, &lcColorPicker::Changed);
connect(Popup, &lcColorPickerPopup::Selected, this, &lcColorPicker::Selected);
connect(Popup, &lcColorPickerPopup::Hid, this, &lcColorPicker::PopupClosed);
Popup->setMinimumSize(300, 200);
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
QScreen* Screen = screen();
const QRect Desktop = Screen ? Screen->geometry() : QRect();
#else
const QRect Desktop = QApplication::desktop()->geometry();
#endif
QPoint Pos = mapToGlobal(rect().bottomLeft());
if (Pos.x() < Desktop.left())
Pos.setX(Desktop.left());
if (Pos.y() < Desktop.top())
Pos.setY(Desktop.top());
if ((Pos.x() + Popup->width()) > Desktop.width())
Pos.setX(Desktop.width() - Popup->width());
if ((Pos.y() + Popup->height()) > Desktop.bottom())
Pos.setY(Desktop.bottom() - Popup->height());
Popup->move(Pos);
clearFocus();
update();
Popup->setFocus();
Popup->show();
}
void lcColorPicker::UpdateIcon()
{
const int IconSize = 14;//style()->pixelMetric(QStyle::PM_SmallIconSize);
QPixmap Pixmap(IconSize, IconSize);
QPainter Painter(&Pixmap);
Painter.setPen(Qt::darkGray);
const lcColor* Color = &gColorList[mCurrentColorIndex];
if (Color->Code != LC_COLOR_NOCOLOR)
{
Painter.setBrush(QColor::fromRgbF(Color->Value[0], Color->Value[1], Color->Value[2]));
Painter.drawRect(0, 0, Pixmap.width() - 1, Pixmap.height() - 1);
}
else
lcDrawNoColorRect(Painter, QRect(0, 0, Pixmap.width() - 1, Pixmap.height() - 1));
Painter.end();
setIcon(QIcon(Pixmap));
}
void lcColorPicker::PopupClosed()
{
if (mInitialColorIndex != mCurrentColorIndex)
Changed(mInitialColorIndex);
setChecked(false);
setFocus();
}
void lcColorPicker::Changed(int ColorIndex)
{
if (ColorIndex == mCurrentColorIndex)
return;
mCurrentColorIndex = ColorIndex;
UpdateIcon();
update();
emit ColorChanged(mCurrentColorIndex);
}
void lcColorPicker::Selected(int ColorIndex)
{
mInitialColorIndex = ColorIndex;
Changed(ColorIndex);
}
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