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seems like i have found solution how to properly render buttons

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Blue 2021-02-02 01:55:15 +03:00
parent 00ffbac6b0
commit b3c6860e25
7 changed files with 196 additions and 41 deletions
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37
ui/utils/feedview.cpp
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@ -23,13 +23,17 @@
#include <QScrollBar>
#include <QDebug>
#include "messagedelegate.h"
constexpr int maxMessageHeight = 10000;
constexpr int approximateSingleMessageHeight = 20;
FeedView::FeedView(QWidget* parent):
QAbstractItemView(parent),
hints(),
vo(0)
vo(0),
specialDelegate(false),
clearWidgetsMode(false)
{
horizontalScrollBar()->setRange(0, 0);
verticalScrollBar()->setSingleStep(approximateSingleMessageHeight);
@ -163,6 +167,10 @@ void FeedView::updateGeometries()
bar->setPageStep(layoutBounds.height());
bar->setValue(previousOffset - layoutBounds.height() - vo);
}
if (specialDelegate) {
clearWidgetsMode = true;
}
}
bool FeedView::tryToCalculateGeometriesWithNoScrollbars(const QStyleOptionViewItem& option, const QAbstractItemModel* m, uint32_t totalHeight)
@ -222,17 +230,32 @@ void FeedView::paintEvent(QPaintEvent* event)
option.features = QStyleOptionViewItem::WrapText;
QPoint cursor = vp->mapFromGlobal(QCursor::pos());
if (clearWidgetsMode && specialDelegate) {
MessageDelegate* del = dynamic_cast<MessageDelegate*>(itemDelegate());
del->beginClearWidgets();
}
for (const QModelIndex& index : toRener) {
option.rect = visualRect(index);
option.state.setFlag(QStyle::State_MouseOver, option.rect.contains(cursor));
itemDelegate(index)->paint(&painter, option, index);
}
if (clearWidgetsMode && specialDelegate) {
MessageDelegate* del = dynamic_cast<MessageDelegate*>(itemDelegate());
del->endClearWidgets();
clearWidgetsMode = false;
}
}
void FeedView::verticalScrollbarValueChanged(int value)
{
vo = verticalScrollBar()->maximum() - value;
if (specialDelegate) {
clearWidgetsMode = true;
}
QAbstractItemView::verticalScrollbarValueChanged(vo);
}
@ -250,3 +273,15 @@ QFont FeedView::getFont() const
{
return viewOptions().font;
}
void FeedView::setItemDelegate(QAbstractItemDelegate* delegate)
{
QAbstractItemView::setItemDelegate(delegate);
MessageDelegate* del = dynamic_cast<MessageDelegate*>(delegate);
if (del) {
specialDelegate = true;
} else {
specialDelegate = false;
}
}