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Enhancement: Hide photo viewer overlay after zooming an image #16303

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Enhancement: Hide photo viewer overlay after zooming an image #16303

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4259e90
Hide photo viewer overlay after zooming an image, fixes #7931
aleksusklim May 10, 2021
c45dc79
More hotkeys to zoom images in viewer: Plus, Minus and Asterisk witho…
aleksusklim May 10, 2021
361654a
Second attempt to resolve #7931. Make controls hiding time much short…
aleksusklim May 11, 2021
3318812
Fix indentation
aleksusklim May 11, 2021
e8ef983
Fix wrong thing
aleksusklim May 11, 2021
c768790
Fix spacing
aleksusklim May 11, 2021
2740a3f
Make cursor always visible when image was zoomed. Also hide menu butt…
aleksusklim May 13, 2021
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50 changes: 48 additions & 2 deletions Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1035,6 +1035,12 @@ void OverlayWidget::resizeContentByScreenSize() {
}
_x = (width() - _w) / 2;
_y = (height() - _h) / 2;
_initialZoom = _zoom;
if (_controlsState == ControlsDisabled) {
_controlsState = ControlsHidden;
activateControls();
updateCursor();
}
}

float64 OverlayWidget::radialProgress() const {
Expand Down Expand Up @@ -1155,7 +1161,7 @@ void OverlayWidget::zoomReset() {
auto newZoom = _zoom;
const auto full = _fullScreenVideo ? _zoomToScreen : _zoomToDefault;
if (_zoom == 0) {
if (qFloor(full) == qCeil(full) && qRound(full) >= -kMaxZoomLevel && qRound(full) <= kMaxZoomLevel) {
if (qFloor(full) == qCeil(full) && qRound(full) >= -kMaxZoomLevel && qRound(full) <= kMaxZoomLevel && qRound(full) != 0) {
newZoom = qRound(full);
} else {
newZoom = kZoomToScreenLevel;
Expand Down Expand Up @@ -1271,6 +1277,9 @@ void OverlayWidget::close() {
}

void OverlayWidget::activateControls() {
if (_controlsState == ControlsDisabled) {
return;
}
if (!_menu && !_mousePressed) {
_controlsHideTimer.callOnce(st::mediaviewWaitHide);
}
Expand Down Expand Up @@ -1304,7 +1313,11 @@ void OverlayWidget::onHideControls(bool force) {
if (_fullScreenVideo) {
_streamed->controls.hideAnimated();
}
if (_controlsState == ControlsHiding || _controlsState == ControlsHidden) return;
if (_controlsState == ControlsHiding
|| _controlsState == ControlsHidden
|| _controlsState == ControlsDisabled) {
return;
}

_lastMouseMovePos = mapFromGlobal(QCursor::pos());
_controlsState = ControlsHiding;
Expand Down Expand Up @@ -3618,6 +3631,8 @@ void OverlayWidget::keyPressEvent(QKeyEvent *e) {
playbackPauseResume();
} else if (_document && !_document->loading() && (documentBubbleShown() || !_documentMedia->loaded())) {
onDocClick();
} else {
zoomReset();
}
} else if (e->key() == Qt::Key_Left) {
if (_controlsHideTimer.isActive()) {
Expand All @@ -3639,6 +3654,12 @@ void OverlayWidget::keyPressEvent(QKeyEvent *e) {
} else if (e->key() == Qt::Key_I) {
update();
}
} else if (e->key() == Qt::Key_Plus) {
zoomIn();
} else if (e->key() == Qt::Key_Minus) {
zoomOut();
} else if (e->key() == Qt::Key_Asterisk) {
zoomReset();
}
}

Expand Down Expand Up @@ -3681,6 +3702,22 @@ void OverlayWidget::setZoomLevel(int newZoom, bool force) {
if (!force && _zoom == newZoom) {
return;
}
if (!_fullScreenVideo) {
if ((_initialZoom == 0 && newZoom > 0)
|| (_initialZoom != 0 && newZoom >= 0 && newZoom != _initialZoom)) {
if (_controlsState != ControlsDisabled) {
activateControls();
onHideControls(true);
updateControlsAnimation(_controlsAnimStarted + st::mediaviewHideDuration);
_controlsState = ControlsDisabled;
updateCursor();
}
} else if (_controlsState == ControlsDisabled) {
_controlsState = ControlsHidden;
activateControls();
updateCursor();
}
}

const auto full = _fullScreenVideo ? _zoomToScreen : _zoomToDefault;
float64 nx, ny, z = (_zoom == kZoomToScreenLevel) ? full : _zoom;
Expand Down Expand Up @@ -4034,6 +4071,15 @@ void OverlayWidget::updateOverRect(OverState state) {

bool OverlayWidget::updateOverState(OverState newState) {
bool result = true;
if (_controlsState == ControlsDisabled
&& newState != OverLeftNav
&& newState != OverRightNav
&& newState != OverClose
&& newState != OverVideo) {
_over = OverNone;
updateCursor();
return false;
}
if (_over != newState) {
if (newState == OverMore && !_ignoringDropdown) {
_dropdownShowTimer.callOnce(0);
Expand Down
2 changes: 2 additions & 0 deletions Telegram/SourceFiles/media/view/media_view_overlay_widget.h
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Original file line number Diff line number Diff line change
Expand Up @@ -436,6 +436,7 @@ private Q_SLOTS:
int _x = 0, _y = 0, _w = 0, _h = 0;
int _xStart = 0, _yStart = 0;
int _zoom = 0; // < 0 - out, 0 - none, > 0 - in
int _initialZoom = 0;
float64 _zoomToScreen = 0.; // for documents
float64 _zoomToDefault = 0.;
QPoint _mStart;
Expand Down Expand Up @@ -498,6 +499,7 @@ private Q_SLOTS:
ControlsShown,
ControlsHiding,
ControlsHidden,
ControlsDisabled
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Suggested change
ControlsDisabled
ControlsDisabled,

};
ControlsState _controlsState = ControlsShown;
crl::time _controlsAnimStarted = 0;
Expand Down