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Disable zoom slider when there is no buffer open (#12185)

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This commit is contained in:
Juergen Spitzmueller 2021-03-07 19:15:57 +01:00
parent 0a3f856bc1
commit cf75003119
2 changed files with 19 additions and 12 deletions
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28
src/frontends/qt/GuiView.cpp
View File

@ -629,14 +629,14 @@ GuiView::GuiView(int id)
QFontMetrics const fm(statusBar()->fontMetrics());
QSlider * zoomslider = new QSlider(Qt::Horizontal, statusBar());
zoom_slider_ = new QSlider(Qt::Horizontal, statusBar());
#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
zoomslider->setFixedWidth(fm.horizontalAdvance('x') * 15);
zoom_slider_->setFixedWidth(fm.horizontalAdvance('x') * 15);
#else
zoomslider->setFixedWidth(fm.width('x') * 15);
zoom_slider_->setFixedWidth(fm.width('x') * 15);
#endif
// Make the defaultZoom center
zoomslider->setRange(10, (lyxrc.defaultZoom * 2) - 10);
zoom_slider_->setRange(10, (lyxrc.defaultZoom * 2) - 10);
// Initialize proper zoom value
QSettings settings;
zoom_ratio_ = settings.value("zoom_ratio", 1.0).toDouble();
@ -644,19 +644,21 @@ GuiView::GuiView(int id)
int zoom = (int)(lyxrc.defaultZoom * zoom_ratio_);
if (zoom < static_cast<int>(zoom_min_))
zoom = zoom_min_;
zoomslider->setValue(zoom);
zoomslider->setToolTip(qt_("Workarea zoom level. Drag, use Ctrl-+/- or Shift-Mousewheel to adjust."));
zoomslider->setTickPosition(QSlider::TicksBelow);
zoomslider->setTickInterval(lyxrc.defaultZoom - 10);
statusBar()->addPermanentWidget(zoomslider);
zoom_slider_->setValue(zoom);
zoom_slider_->setToolTip(qt_("Workarea zoom level. Drag, use Ctrl-+/- or Shift-Mousewheel to adjust."));
zoom_slider_->setTickPosition(QSlider::TicksBelow);
zoom_slider_->setTickInterval(lyxrc.defaultZoom - 10);
statusBar()->addPermanentWidget(zoom_slider_);
zoom_slider_->setEnabled(currentBufferView());
connect(zoomslider, SIGNAL(sliderMoved(int)), this, SLOT(zoomSliderMoved(int)));
connect(zoomslider, SIGNAL(valueChanged(int)), this, SLOT(zoomValueChanged(int)));
connect(this, SIGNAL(currentZoomChanged(int)), zoomslider, SLOT(setValue(int)));
connect(zoom_slider_, SIGNAL(sliderMoved(int)), this, SLOT(zoomSliderMoved(int)));
connect(zoom_slider_, SIGNAL(valueChanged(int)), this, SLOT(zoomValueChanged(int)));
connect(this, SIGNAL(currentZoomChanged(int)), zoom_slider_, SLOT(setValue(int)));
zoom_value_ = new QLabel(statusBar());
zoom_value_->setText(toqstr(bformat(_("[[ZOOM]]%1$d%"), zoom)));
statusBar()->addPermanentWidget(zoom_value_);
zoom_value_->setEnabled(currentBufferView());
int const iconheight = max(int(d.normalIconSize), fm.height());
QSize const iconsize(iconheight, iconheight);
@ -1358,6 +1360,8 @@ void GuiView::onBufferViewChanged()
// Buffer-dependent dialogs must be updated. This is done here because
// some dialogs require buffer()->text.
updateDialogs();
zoom_slider_->setEnabled(currentBufferView());
zoom_value_->setEnabled(currentBufferView());
}

3
src/frontends/qt/GuiView.h
View File

@ -27,6 +27,7 @@ class QDragEnterEvent;
class QDropEvent;
class QLabel;
class QShowEvent;
class QSlider;
namespace lyx {
@ -495,6 +496,8 @@ private:
QLabel * version_control_;
/// Statusbar widget that shows zoom value
QLabel * zoom_value_;
/// The zoom slider widget
QSlider * zoom_slider_;
/// The rate from which the actual zoom value is calculated
/// from the default zoom pref