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Added floating date header to Shared Files and Shared Links.

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This commit is contained in:
23rd 2021-06-01 08:38:51 +03:00 • committed by John Preston
parent 5c54d3690c
commit fc78769e9c
1 changed files with 56 additions and 1 deletions
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57
Telegram/SourceFiles/info/media/info_media_list_widget.cpp
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@ -47,6 +47,7 @@ namespace Info {
namespace Media {
namespace {
constexpr auto kFloatingHeaderAlpha = 0.9;
constexpr auto kPreloadedScreensCount = 4;
constexpr auto kPreloadIfLessThanScreens = 2;
constexpr auto kPreloadedScreensCountFull
@ -67,6 +68,21 @@ UniversalMsgId GetUniversalId(not_null<const BaseLayout*> layout) {
return GetUniversalId(layout->getItem()->fullId());
}
bool HasFloatingHeader(Type type) {
switch (type) {
case Type::Photo:
case Type::Video:
case Type::RoundFile:
case Type::RoundVoiceFile:
case Type::MusicFile:
return false;
case Type::File:
case Type::Link:
return true;
}
Unexpected("Type in HasFloatingHeader()");
}
} // namespace
struct ListWidget::Context {
@ -78,7 +94,9 @@ struct ListWidget::Context {
class ListWidget::Section {
public:
Section(Type type) : _type(type) {
Section(Type type)
: _type(type)
, _hasFloatingHeader(HasFloatingHeader(type)) {
}
bool addItem(not_null<BaseLayout*> item);
@ -123,6 +141,8 @@ public:
QRect clip,
int outerWidth) const;
void paintFloatingHeader(Painter &p, int visibleTop, int outerWidth);
static int MinItemHeight(Type type, int width);
private:
@ -151,6 +171,7 @@ private:
void refreshHeight();
Type _type = Type::Photo;
bool _hasFloatingHeader = false;
Ui::Text::String _header;
Items _items;
int _itemsLeft = 0;
@ -425,6 +446,37 @@ void ListWidget::Section::paint(
}
}
void ListWidget::Section::paintFloatingHeader(
Painter &p,
int visibleTop,
int outerWidth) {
if (!_hasFloatingHeader) {
return;
}
const auto headerTop = st::infoMediaHeaderPosition.y() / 2;
if (visibleTop <= (_top + headerTop)) {
return;
}
const auto header = headerHeight();
const auto headerLeft = st::infoMediaHeaderPosition.x();
const auto floatingTop = std::min(
visibleTop,
bottom() - header + headerTop);
p.save();
p.resetTransform();
p.setOpacity(kFloatingHeaderAlpha);
p.fillRect(QRect(0, floatingTop, outerWidth, header), st::boxBg);
p.setOpacity(1.0);
p.setPen(st::infoMediaHeaderFg);
_header.drawLeftElided(
p,
headerLeft,
floatingTop + headerTop,
outerWidth - 2 * headerLeft,
outerWidth);
p.restore();
}
TextSelection ListWidget::Section::itemSelection(
not_null<const BaseLayout*> item,
const Context &context) const {
@ -1272,6 +1324,9 @@ void ListWidget::paintEvent(QPaintEvent *e) {
it->paint(p, context, clip.translated(0, -top), outerWidth);
p.translate(0, -top);
}
if (fromSectionIt != _sections.end()) {
fromSectionIt->paintFloatingHeader(p, _visibleTop, outerWidth);
}
if (_dateBadge.goodType && clip.intersects(_dateBadge.rect)) {
const auto scrollDateOpacity =