mir/tdesktop
2
0
Fork 0
mirror of https://github.com/telegramdesktop/tdesktop synced 2025-09-05 00:46:08 +00:00
Code Issues Releases Wiki Activity

Support chat preview on touchscreens.

Browse Source
This commit is contained in:
John Preston
2024-05-30 22:33:24 +04:00
parent 40fbd415ef
commit 4df5372dab
5 changed files with 67 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp
View File

@@ -1316,6 +1316,9 @@ void InnerWidget::paintSearchInTopic(
}
void InnerWidget::mouseMoveEvent(QMouseEvent *e) {
if (_chatPreviewTouchGlobal) {
return;
}
const auto globalPosition = e->globalPos();
if (!_lastMousePosition) {
_lastMousePosition = globalPosition;
@@ -1333,6 +1336,8 @@ void InnerWidget::mouseMoveEvent(QMouseEvent *e) {
void InnerWidget::cancelChatPreview() {
_chatPreviewTimer.cancel();
_chatPreviewWillBeFor = {};
_chatPreviewTouchLocal = {};
_chatPreviewTouchGlobal = {};
}
void InnerWidget::clearIrrelevantState() {
@@ -2396,10 +2401,14 @@ void InnerWidget::fillArchiveSearchMenu(not_null<Ui::PopupMenu*> menu) {
void InnerWidget::showChatPreview(bool onlyUserpic) {
const auto key = base::take(_chatPreviewWillBeFor);
const auto touchGlobal = base::take(_chatPreviewTouchGlobal);
cancelChatPreview();
if (!pressShowsPreview(onlyUserpic) || key != computeChatPreviewRow()) {
return;
}
if (onlyUserpic && touchGlobal) {
_touchCancelRequests.fire({});
}
ClickHandler::unpressed();
mousePressReleased(QCursor::pos(), Qt::NoButton, Qt::NoModifier);
@@ -2538,6 +2547,41 @@ void InnerWidget::parentGeometryChanged() {
}
}
void InnerWidget::processTouchEvent(not_null<QTouchEvent*> e) {
const auto point = e->touchPoints().empty()
? std::optional<QPoint>()
: e->touchPoints().front().screenPos().toPoint();
switch (e->type()) {
case QEvent::TouchBegin: {
if (!point) {
return;
}
selectByMouse(*point);
const auto onlyUserpic = true;
if (pressShowsPreview(onlyUserpic)) {
_chatPreviewTouchGlobal = point;
_chatPreviewWillBeFor = computeChatPreviewRow();
_chatPreviewTimer.callOnce(kChatPreviewDelay);
}
} break;
case QEvent::TouchUpdate: {
if (!_chatPreviewTouchGlobal || !point) {
return;
}
const auto delta = (*_chatPreviewTouchGlobal - *point);
if (delta.manhattanLength() > _st->photoSize) {
cancelChatPreview();
}
} break;
case QEvent::TouchEnd:
case QEvent::TouchCancel: if (_chatPreviewTouchGlobal) {
cancelChatPreview();
} break;
}
}
void InnerWidget::applySearchState(SearchState state) {
if (_searchState == state) {
return;