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Slightly refactored DragArea.

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This commit is contained in:
23rd 2020-06-10 16:10:19 +03:00
parent e0750f7b87
commit 01fd8aded1
2 changed files with 62 additions and 31 deletions
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81
Telegram/SourceFiles/history/history_drag_area.cpp
View File

@ -36,6 +36,14 @@ constexpr auto kDragAreaEvents = {
QEvent::Leave,
};
inline auto InnerRect(not_null<Ui::RpWidget*> widget) {
return QRect(
st::dragPadding.left(),
st::dragPadding.top(),
widget->width() - st::dragPadding.left() - st::dragPadding.right(),
widget->height() - st::dragPadding.top() - st::dragPadding.bottom());
}
} // namespace
DragArea::Areas DragArea::SetupDragAreaToContainer(
@ -245,23 +253,27 @@ bool DragArea::overlaps(const QRect &globalRect) {
return false;
}
auto inner = innerRect();
auto testRect = QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size());
return inner.marginsRemoved(QMargins(st::boxRadius, 0, st::boxRadius, 0)).contains(testRect)
|| inner.marginsRemoved(QMargins(0, st::boxRadius, 0, st::boxRadius)).contains(testRect);
const auto inner = InnerRect(this);
const auto testRect = QRect(
mapFromGlobal(globalRect.topLeft()),
globalRect.size());
const auto h = QMargins(st::boxRadius, 0, st::boxRadius, 0);
const auto v = QMargins(0, st::boxRadius, 0, st::boxRadius);
return inner.marginsRemoved(h).contains(testRect)
|| inner.marginsRemoved(v).contains(testRect);
}
void DragArea::mouseMoveEvent(QMouseEvent *e) {
if (_hiding) return;
if (_hiding) {
return;
}
auto in = QRect(st::dragPadding.left(), st::dragPadding.top(), width() - st::dragPadding.left() - st::dragPadding.right(), height() - st::dragPadding.top() - st::dragPadding.bottom()).contains(e->pos());
setIn(in);
setIn(InnerRect(this).contains(e->pos()));
}
void DragArea::dragMoveEvent(QDragMoveEvent *e) {
QRect r(st::dragPadding.left(), st::dragPadding.top(), width() - st::dragPadding.left() - st::dragPadding.right(), height() - st::dragPadding.top() - st::dragPadding.bottom());
setIn(r.contains(e->pos()));
setIn(InnerRect(this).contains(e->pos()));
e->setDropAction(_in ? Qt::CopyAction : Qt::IgnoreAction);
e->accept();
}
@ -269,7 +281,11 @@ void DragArea::dragMoveEvent(QDragMoveEvent *e) {
void DragArea::setIn(bool in) {
if (_in != in) {
_in = in;
_a_in.start([this] { update(); }, _in ? 0. : 1., _in ? 1. : 0., st::boxDuration);
_a_in.start(
[=] { update(); },
_in ? 0. : 1.,
_in ? 1. : 0.,
st::boxDuration);
}
}
@ -282,28 +298,45 @@ void DragArea::setText(const QString &text, const QString &subtext) {
void DragArea::paintEvent(QPaintEvent *e) {
Painter p(this);
auto opacity = _a_opacity.value(_hiding ? 0. : 1.);
const auto opacity = _a_opacity.value(_hiding ? 0. : 1.);
if (!_a_opacity.animating() && _hiding) {
return;
}
p.setOpacity(opacity);
auto inner = innerRect();
const auto inner = InnerRect(this);
if (!_cache.isNull()) {
p.drawPixmapLeft(inner.x() - st::boxRoundShadow.extend.left(), inner.y() - st::boxRoundShadow.extend.top(), width(), _cache);
p.drawPixmapLeft(
inner.x() - st::boxRoundShadow.extend.left(),
inner.y() - st::boxRoundShadow.extend.top(),
width(),
_cache);
return;
}
Ui::Shadow::paint(p, inner, width(), st::boxRoundShadow);
App::roundRect(p, inner, st::boxBg, BoxCorners);
p.setPen(anim::pen(st::dragColor, st::dragDropColor, _a_in.value(_in ? 1. : 0.)));
p.setPen(anim::pen(
st::dragColor,
st::dragDropColor,
_a_in.value(_in ? 1. : 0.)));
p.setFont(st::dragFont);
p.drawText(QRect(0, (height() - st::dragHeight) / 2, width(), st::dragFont->height), _text, QTextOption(style::al_top));
const auto rText = QRect(
0,
(height() - st::dragHeight) / 2,
width(),
st::dragFont->height);
p.drawText(rText, _text, QTextOption(style::al_top));
p.setFont(st::dragSubfont);
p.drawText(QRect(0, (height() + st::dragHeight) / 2 - st::dragSubfont->height, width(), st::dragSubfont->height * 2), _subtext, QTextOption(style::al_top));
const auto rSubtext = QRect(
0,
(height() + st::dragHeight) / 2 - st::dragSubfont->height,
width(),
st::dragSubfont->height * 2);
p.drawText(rSubtext, _subtext, QTextOption(style::al_top));
}
void DragArea::dragEnterEvent(QDragEnterEvent *e) {
@ -341,11 +374,15 @@ void DragArea::hideStart() {
if (_cache.isNull()) {
_cache = Ui::GrabWidget(
this,
innerRect().marginsAdded(st::boxRoundShadow.extend));
InnerRect(this).marginsAdded(st::boxRoundShadow.extend));
}
_hiding = true;
setIn(false);
_a_opacity.start([this] { opacityAnimationCallback(); }, 1., 0., st::boxDuration);
_a_opacity.start(
[=] { opacityAnimationCallback(); },
1.,
0.,
st::boxDuration);
}
void DragArea::hideFinish() {
@ -362,10 +399,14 @@ void DragArea::showStart() {
if (_cache.isNull()) {
_cache = Ui::GrabWidget(
this,
innerRect().marginsAdded(st::boxRoundShadow.extend));
InnerRect(this).marginsAdded(st::boxRoundShadow.extend));
}
show();
_a_opacity.start([this] { opacityAnimationCallback(); }, 0., 1., st::boxDuration);
_a_opacity.start(
[=] { opacityAnimationCallback(); },
0.,
1.,
st::boxDuration);
}
void DragArea::opacityAnimationCallback() {

12
Telegram/SourceFiles/history/history_drag_area.h
View File

@ -15,7 +15,6 @@ enum class MimeDataState;
} // namespace Storage
class DragArea : public Ui::RpWidget {
Q_OBJECT
public:
DragArea(QWidget *parent);
@ -57,23 +56,14 @@ protected:
void dragLeaveEvent(QDragLeaveEvent *e) override;
void dropEvent(QDropEvent *e) override;
public slots:
private:
void hideStart();
void hideFinish();
void showStart();
private:
void setIn(bool in);
void opacityAnimationCallback();
QRect innerRect() const {
return QRect(
st::dragPadding.left(),
st::dragPadding.top(),
width() - st::dragPadding.left() - st::dragPadding.right(),
height() - st::dragPadding.top() - st::dragPadding.bottom()
);
}
bool _hiding = false;
bool _in = false;