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Code Issues Releases Wiki Activity

Support custom icon for General topic.

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This commit is contained in:
John Preston
2022-11-29 17:25:18 +04:00
parent 57af221d39
commit ac3834bfdb
5 changed files with 79 additions and 8 deletions
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63
Telegram/SourceFiles/data/data_forum_topic.cpp
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@@ -143,6 +143,24 @@ QImage ForumTopicIconFrame(
return background;
}
QImage ForumTopicGeneralIconFrame(int size, const style::color &color) {
const auto ratio = style::DevicePixelRatio();
auto svg = QSvgRenderer(ForumTopicIconPath(u"general"_q));
auto result = QImage(
QSize(size, size) * ratio,
QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(ratio);
result.fill(Qt::transparent);
const auto use = size * 0.8;
const auto skip = size * 0.1;
auto p = QPainter(&result);
svg.render(&p, QRectF(skip, 0, use, use));
p.end();
return style::colorizeImage(result, color);
}
TextWithEntities ForumTopicIconWithTitle(
DocumentId iconId,
const QString &title) {
@@ -185,6 +203,13 @@ ForumTopic::ForumTopic(not_null<Forum*> forum, MsgId rootId)
previous.value_or(0),
previous.has_value()));
}, _replies->lifetime());
if (isGeneral()) {
style::PaletteChanged(
) | rpl::start_with_next([=] {
_defaultIcon = QImage();
}, _lifetime);
}
}
ForumTopic::~ForumTopic() {
@@ -540,7 +565,11 @@ void ForumTopic::paintUserpic(
.paused = context.paused,
});
} else {
validateDefaultIcon();
if (isGeneral()) {
validateGeneralIcon(context);
} else {
validateDefaultIcon();
}
const auto size = st::defaultForumTopicIcon.size;
if (context.narrow) {
position = QPoint(
@@ -562,12 +591,34 @@ void ForumTopic::clearUserpicLoops() {
}
void ForumTopic::validateDefaultIcon() const {
if (_defaultIcon.isNull()) {
_defaultIcon = ForumTopicIconFrame(
_colorId,
_title,
st::defaultForumTopicIcon);
if (!_defaultIcon.isNull()) {
return;
}
_defaultIcon = ForumTopicIconFrame(
_colorId,
_title,
st::defaultForumTopicIcon);
}
void ForumTopic::validateGeneralIcon(
const Dialogs::Ui::PaintContext &context) const {
const auto mask = Flag::GeneralIconActive | Flag::GeneralIconSelected;
const auto flags = context.active
? Flag::GeneralIconActive
: context.selected
? Flag::GeneralIconSelected
: Flag(0);
if (!_defaultIcon.isNull() && ((_flags & mask) == flags)) {
return;
}
const auto size = st::defaultForumTopicIcon.size;
const auto &color = context.active
? st::dialogsTextFgActive
: context.selected
? st::dialogsTextFgOver
: st::dialogsTextFg;
_defaultIcon = ForumTopicGeneralIconFrame(size, color);
_flags = (_flags & ~mask) | flags;
}
void ForumTopic::requestChatListMessage() {