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Scroll to currently selected theme.

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This commit is contained in:
John Preston 2021-09-28 19:27:25 +04:00
parent 1424ea3540
commit de2bad51d3
2 changed files with 50 additions and 20 deletions
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68
Telegram/SourceFiles/ui/chat/choose_theme_controller.cpp
View file

@ -126,6 +126,18 @@ constexpr auto kDisableElement = "disable"_cs;
st::settingsThemePreviewSize * style::DevicePixelRatio(),
QImage::Format_ARGB32_Premultiplied);
result.fill(st::settingsThemeNotSupportedBg->c);
{
auto p = QPainter(&result);
p.setPen(st::menuIconFg);
p.setFont(st::semiboldFont);
const auto top = st::normalFont->height / 2;
const auto width = st::settingsThemePreviewSize.width();
const auto height = st::settingsThemePreviewSize.height() - top;
p.drawText(
QRect(0, top, width, height),
tr::lng_chat_theme_none(tr::now),
style::al_top);
}
Images::prepareRound(result, ImageRoundRadius::Large);
return result;
}
@ -175,12 +187,12 @@ void ChooseThemeController::init(rpl::producer<QSize> outer) {
}, lifetime());
}
const auto skip = st::normalFont->spacew * 2;
const auto skip = st::normalFont->spacew * 4;
const auto titleWrap = _wrap->insert(
0,
object_ptr<FixedHeightWidget>(
_wrap.get(),
skip + st::boxTitle.style.font->height));
skip + st::boxTitle.style.font->height + skip));
auto title = CreateChild<FlatLabel>(
titleWrap,
tr::lng_chat_theme_title(),
@ -230,7 +242,7 @@ void ChooseThemeController::initButtons() {
const auto skip = st::normalFont->spacew * 2;
controls->resize(
skip + cancel->width() + skip + apply->width() + skip,
apply->height() + skip);
apply->height() + skip * 2);
rpl::combine(
controls->widthValue(),
cancel->widthValue(),
@ -289,14 +301,13 @@ void ChooseThemeController::paintEntry(QPainter &p, const Entry &entry) {
const auto size = Ui::Emoji::GetSizeLarge();
const auto factor = style::DevicePixelRatio();
const auto skip = st::normalFont->spacew * 2;
Ui::Emoji::Draw(
p,
entry.emoji,
size,
(geometry.x()
+ (geometry.width() - (size / factor)) / 2),
(geometry.y() + geometry.height() - (size / factor) - skip));
const auto emojiLeft = geometry.x()
+ (geometry.width() - (size / factor)) / 2;
const auto emojiTop = geometry.y()
+ geometry.height()
- (size / factor)
- (st::normalFont->spacew * 2);
Ui::Emoji::Draw(p, entry.emoji, size, emojiLeft, emojiTop);
if (entry.chosen) {
auto hq = PainterHighQualityEnabler(p);
@ -315,7 +326,7 @@ void ChooseThemeController::paintEntry(QPainter &p, const Entry &entry) {
void ChooseThemeController::initList() {
_content->resize(
_content->width(),
4 * st::normalFont->spacew + st::settingsThemePreviewSize.height());
8 * st::normalFont->spacew + st::settingsThemePreviewSize.height());
_inner->setMouseTracking(true);
_inner->paintRequest(
@ -421,11 +432,25 @@ void ChooseThemeController::initList() {
rpl::combine(
_content->widthValue(),
_inner->widthValue()
) | rpl::start_with_next([=] {
updateInnerLeft(_inner->x());
) | rpl::start_with_next([=](int content, int inner) {
if (!content || !inner) {
return;
} else if (!_entries.empty() && !_initialInnerLeftApplied) {
applyInitialInnerLeft();
} else {
updateInnerLeft(_inner->x());
}
}, lifetime());
}
void ChooseThemeController::applyInitialInnerLeft() {
if (const auto chosen = findChosen()) {
updateInnerLeft(
_content->width() / 2 - chosen->geometry.center().x());
}
_initialInnerLeftApplied = true;
}
void ChooseThemeController::updateInnerLeft(int now) {
const auto skip = _content->width() - _inner->width();
const auto clamped = (skip >= 0)
@ -477,22 +502,21 @@ void ChooseThemeController::fill(
const auto count = int(themes.size()) + 1;
const auto single = st::settingsThemePreviewSize;
const auto skip = st::normalFont->spacew * 2;
const auto full = single.width() * count + skip * (count + 1);
const auto full = single.width() * count + skip * (count + 3);
_inner->resize(full, skip + single.height() + skip);
const auto initialSelected = Ui::Emoji::Find(_peer->themeEmoji());
const auto initial = Ui::Emoji::Find(_peer->themeEmoji());
_dark.value(
) | rpl::start_with_next([=](bool dark) {
clearCurrentBackgroundState();
const auto initialSelect = (_chosen.isEmpty() && initialSelected);
if (initialSelect) {
_chosen = initialSelected->text();
if (_chosen.isEmpty() && initial) {
_chosen = initial->text();
}
_cachingLifetime.destroy();
const auto old = base::take(_entries);
auto x = skip;
auto x = skip * 2;
_entries.push_back({
.preview = GenerateEmptyPreview(),
.emoji = Ui::Emoji::Find(QString::fromUtf8("\xe2\x9d\x8c")),
@ -567,6 +591,10 @@ void ChooseThemeController::fill(
}, _cachingLifetime);
x += single.width() + skip;
}
if (!_initialInnerLeftApplied && _content->width() > 0) {
applyInitialInnerLeft();
}
}, lifetime());
_shouldBeShown = true;
}

2
Telegram/SourceFiles/ui/chat/choose_theme_controller.h
View file

@ -53,6 +53,7 @@ private:
void clearCurrentBackgroundState();
void paintEntry(QPainter &p, const Entry &entry);
void applyInitialInnerLeft();
void updateInnerLeft(int now);
[[nodiscard]] Entry *findChosen();
@ -71,6 +72,7 @@ private:
std::optional<QPoint> _pressPosition;
std::optional<QPoint> _dragStartPosition;
int _dragStartInnerLeft = 0;
bool _initialInnerLeftApplied = false;
rpl::variable<bool> _shouldBeShown = false;
rpl::variable<bool> _forceHidden = false;