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Make the session zoom relative to the default zoom
Also rename lyxrc.zoom to lyxrc.defaultZoom Fixes: #10455
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eb51d60571
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858a9a0465
@ -892,7 +892,8 @@ void LyXAction::init()
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* \var lyx::FuncCode lyx::LFUN_BUFFER_ZOOM
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* \li Action: Sets the zoom of the screen fonts.
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* \li Syntax: buffer-zoom [<ZOOM>]
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* \li Params: <ZOOM>: The zoom in % points (neg. or pos.), the default is to reset to zoom savd in preferences.
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* \li Params: <ZOOM>: The target zoom value in %;
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* the default is the default zoom as saved in preferences.
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* \li Origin: daniel, 28 Oct 2016
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* \endvar
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*/
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@ -902,7 +903,8 @@ void LyXAction::init()
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* \var lyx::FuncCode lyx::LFUN_BUFFER_ZOOM_IN
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* \li Action: Increases the zoom of the screen fonts.
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* \li Syntax: buffer-zoom-in [<ZOOM>]
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* \li Params: <ZOOM>: The zoom in % points (neg. or pos.), the default is 20.
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* \li Params: <ZOOM>: The zoom value addition in % (neg. or pos.);
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* the default is 10% of the default zoom as saved in preferences.
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* \li Origin: vfr, 30 Mar 2009
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* \endvar
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*/
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@ -913,7 +915,8 @@ void LyXAction::init()
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* \var lyx::FuncCode lyx::LFUN_BUFFER_ZOOM_OUT
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* \li Action: Decreases the zoom of the screen fonts.
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* \li Syntax: buffer-zoom-out [<ZOOM>]
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* \li Params: <ZOOM>: The zoom in % points (neg. or pos.), the default is -20.
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* \li Params: <ZOOM>: The zoom value abstraction in % (neg. or pos.);
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* the default is 10% of the default zoom as saved in preferences.
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* \li Origin: vfr, 30 Mar 2009
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* \endvar
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*/
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@ -245,8 +245,8 @@ void LyXRC::setDefaults()
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pygmentize_command = string();
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dpi = 75;
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// Because a screen is typically wider than a piece of paper:
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zoom = 150;
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currentZoom = zoom;
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defaultZoom = 150;
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currentZoom = defaultZoom;
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allow_geometry_session = true;
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// Default LaTeX font size:
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font_sizes[FONT_SIZE_TINY] = "5.0";
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@ -624,9 +624,9 @@ LyXRC::ReturnValues LyXRC::read(Lexer & lexrc, bool check_format)
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break;
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case RC_SCREEN_ZOOM:
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lexrc >> zoom;
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if (zoom < 10)
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zoom = 10;
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lexrc >> defaultZoom;
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if (defaultZoom < 10)
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defaultZoom = 10;
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break;
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case RC_GEOMETRY_SESSION:
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@ -1724,8 +1724,8 @@ void LyXRC::write(ostream & os, bool ignore_system_lyxrc, string const & name) c
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// fall through
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case RC_SCREEN_ZOOM:
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if (ignore_system_lyxrc ||
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zoom != system_lyxrc.zoom) {
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os << "\\screen_zoom " << zoom << '\n';
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defaultZoom != system_lyxrc.defaultZoom) {
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os << "\\screen_zoom " << defaultZoom << '\n';
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}
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if (tag != RC_LAST)
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break;
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@ -295,9 +295,10 @@ public:
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bool allow_geometry_session;
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/// Scrolling speed of the mouse wheel
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double mouse_wheel_speed;
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/// Zoom factor for screen fonts
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int zoom;
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/// Current zoom factor for screen fonts
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/// Default zoom factor for screen fonts
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int defaultZoom;
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/// Actual zoom factor for screen fonts
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/// (default zoom plus buffer zoom factor)
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int currentZoom;
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/// Screen font sizes in points for each font size
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std::string font_sizes[10];
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@ -1089,7 +1089,7 @@ void PrefScreenFonts::applyRC(LyXRC & rc) const
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parseFontName(screenTypewriterCO->currentText(),
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rc.typewriter_font_name, rc.typewriter_font_foundry);
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rc.zoom = screenZoomSB->value();
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rc.defaultZoom = screenZoomSB->value();
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rc.font_sizes[FONT_SIZE_TINY] = widgetToDoubleStr(screenTinyED);
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rc.font_sizes[FONT_SIZE_SCRIPT] = widgetToDoubleStr(screenSmallestED);
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rc.font_sizes[FONT_SIZE_FOOTNOTE] = widgetToDoubleStr(screenSmallerED);
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@ -1106,7 +1106,7 @@ void PrefScreenFonts::applyRC(LyXRC & rc) const
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|| rc.roman_font_name != oldrc.roman_font_name
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|| rc.sans_font_name != oldrc.sans_font_name
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|| rc.typewriter_font_name != oldrc.typewriter_font_name
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|| rc.zoom != oldrc.zoom) {
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|| rc.defaultZoom != oldrc.defaultZoom) {
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// The global QPixmapCache is used in GuiPainter to cache text
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// painting so we must reset it in case any of the above
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// parameter is changed.
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@ -1130,7 +1130,7 @@ void PrefScreenFonts::updateRC(LyXRC const & rc)
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selectSans(screenSansCO->currentText());
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selectTypewriter(screenTypewriterCO->currentText());
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screenZoomSB->setValue(rc.zoom);
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screenZoomSB->setValue(rc.defaultZoom);
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updateScreenFontSizes(rc);
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pixmapCacheCB->setChecked(rc.use_pixmap_cache);
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@ -741,7 +741,7 @@ void GuiView::autoSaveThreadFinished()
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void GuiView::saveLayout() const
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{
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QSettings settings;
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settings.setValue("zoom", lyxrc.currentZoom);
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settings.setValue("zoom_ratio", zoom_ratio_);
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settings.setValue("devel_mode", devel_mode_);
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settings.beginGroup("views");
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settings.beginGroup(QString::number(id_));
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@ -772,7 +772,12 @@ void GuiView::saveUISettings() const
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bool GuiView::restoreLayout()
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{
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QSettings settings;
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lyxrc.currentZoom = settings.value("zoom", lyxrc.zoom).toInt();
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zoom_ratio_ = settings.value("zoom_ratio", 1.0).toDouble();
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// Actual zoom value: default zoom + fractional offset
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int zoom = lyxrc.defaultZoom * zoom_ratio_;
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if (zoom < static_cast<int>(zoom_min_))
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zoom = zoom_min_;
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lyxrc.currentZoom = zoom;
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devel_mode_ = settings.value("devel_mode", devel_mode_).toBool();
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settings.beginGroup("views");
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settings.beginGroup(QString::number(id_));
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@ -4114,30 +4119,31 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
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case LFUN_BUFFER_ZOOM_IN:
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case LFUN_BUFFER_ZOOM_OUT:
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case LFUN_BUFFER_ZOOM: {
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// use a signed temp to avoid overflow
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int zoom = lyxrc.currentZoom;
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if (cmd.argument().empty()) {
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if (cmd.action() == LFUN_BUFFER_ZOOM)
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zoom = lyxrc.zoom;
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zoom_ratio_ = 1.0;
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else if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
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zoom += 20;
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zoom_ratio_ += 0.1;
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else
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zoom -= 20;
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zoom_ratio_ -= 0.1;
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} else {
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if (cmd.action() == LFUN_BUFFER_ZOOM)
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zoom = convert<int>(cmd.argument());
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zoom_ratio_ = convert<int>(cmd.argument()) / double(lyxrc.defaultZoom);
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else if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
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zoom += convert<int>(cmd.argument());
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zoom_ratio_ += convert<int>(cmd.argument()) / 100.0;
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else
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zoom -= convert<int>(cmd.argument());
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zoom_ratio_ -= convert<int>(cmd.argument()) / 100.0;
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}
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// Actual zoom value: default zoom + fractional extra value
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int zoom = lyxrc.defaultZoom * zoom_ratio_;
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if (zoom < static_cast<int>(zoom_min_))
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zoom = zoom_min_;
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lyxrc.currentZoom = zoom;
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dr.setMessage(bformat(_("Zoom level is now %1$d%"), lyxrc.currentZoom));
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dr.setMessage(bformat(_("Zoom level is now %1$d% (default value: %2$d%)"),
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lyxrc.currentZoom, lyxrc.defaultZoom));
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// The global QPixmapCache is used in GuiPainter to cache text
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// painting so we must reset it.
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@ -470,6 +470,9 @@ private:
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/// Statusbar widget that shows version control status
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QLabel * version_control_;
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/// The rate from which the actual zoom value is calculated
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/// from the default zoom pref
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double zoom_ratio_ = 1.0;
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/// Minimum zoom percentage
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static int const zoom_min_ = 10;
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