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Code Issues Releases Wiki Activity

optimized gifs scroll in saved gifs section

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This commit is contained in:
John Preston
2015-12-30 01:33:56 +08:00
parent 38ea16fea4
commit d72a3c4189
5 changed files with 28 additions and 11 deletions
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31
Telegram/SourceFiles/dropdown.cpp
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@@ -1214,6 +1214,7 @@ StickerPanInner::StickerPanInner() : TWidget()
, _a_selected(animation(this, &StickerPanInner::step_selected))
, _top(0)
, _showingGifs(cShowingSavedGifs())
, _lastScrolled(0)
, _selected(-1)
, _pressedSel(-1)
, _settings(this, lang(lng_stickers_you_have))
@@ -1229,6 +1230,9 @@ StickerPanInner::StickerPanInner() : TWidget()
_previewTimer.setSingleShot(true);
connect(&_previewTimer, SIGNAL(timeout()), this, SLOT(onPreview()));
_updateGifs.setSingleShot(true);
connect(&_updateGifs, SIGNAL(timeout()), this, SLOT(onUpdateGifs()));
}
void StickerPanInner::setMaxHeight(int32 h) {
@@ -1240,6 +1244,7 @@ void StickerPanInner::setMaxHeight(int32 h) {
void StickerPanInner::setScrollTop(int top) {
if (top == _top) return;
_lastScrolled = getms();
_top = top;
updateSelected();
}
@@ -1734,15 +1739,12 @@ uint64 StickerPanInner::currentSet(int yOffset) const {
void StickerPanInner::ui_repaintSavedGif(const LayoutSavedGif *layout) {
if (!_showingGifs) return;
int32 position = layout->position();
int32 row = position / MatrixRowShift, col = position % MatrixRowShift;
t_assert((row < _gifRows.size()) && (col < _gifRows.at(row).size()));
const GifRow &gifRow(_gifRows.at(row));
int32 left = st::savedGifsLeft, top = st::emojiPanHeader + row * (st::savedGifHeight + st::savedGifsSkip);
for (int32 i = 0; i < col; ++i) left += gifRow.at(i)->width() + st::savedGifsSkip;
rtlupdate(left, top, gifRow.at(col)->width(), st::savedGifHeight);
uint64 ms = getms();
if (_lastScrolled + 100 <= ms) {
update();
} else {
_updateGifs.start(_lastScrolled + 100 - ms);
}
}
bool StickerPanInner::ui_isSavedGifVisible(const LayoutSavedGif *layout) {
@@ -2062,6 +2064,17 @@ void StickerPanInner::onPreview() {
}
}
void StickerPanInner::onUpdateGifs() {
if (!_showingGifs) return;
uint64 ms = getms();
if (_lastScrolled + 100 <= ms) {
update();
} else {
_updateGifs.start(_lastScrolled + 100 - ms);
}
}
void StickerPanInner::step_selected(uint64 ms, bool timer) {
QRegion toUpdate;
for (Animations::iterator i = _animations.begin(); i != _animations.end();) {