mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-23 21:40:19 +00:00
Set a maximum value to zoom level
The minimal vamue is set to 10%, let's set the max to 1000%. This
avoids crashes when characters are too large.
The code is refactored to be more compact and the tests are more precise.
Fixes bug #12452.
(cherry picked from commit 5259b6ba62
)
This commit is contained in:
parent
c8b0b15912
commit
c203a842fc
@ -780,9 +780,8 @@ bool GuiView::restoreLayout()
|
||||
QSettings settings;
|
||||
zoom_ratio_ = settings.value("zoom_ratio", 1.0).toDouble();
|
||||
// Actual zoom value: default zoom + fractional offset
|
||||
int zoom = lyxrc.defaultZoom * zoom_ratio_;
|
||||
if (zoom < static_cast<int>(zoom_min_))
|
||||
zoom = zoom_min_;
|
||||
int zoom = (int)(lyxrc.defaultZoom * zoom_ratio_);
|
||||
zoom = min(max(zoom, zoom_min_), zoom_max_);
|
||||
lyxrc.currentZoom = zoom;
|
||||
devel_mode_ = settings.value("devel_mode", devel_mode_).toBool();
|
||||
settings.beginGroup("views");
|
||||
@ -1818,6 +1817,30 @@ void GuiView::resetAutosaveTimers()
|
||||
}
|
||||
|
||||
|
||||
namespace {
|
||||
|
||||
double zoomRatio(FuncRequest const & cmd, double const zr)
|
||||
{
|
||||
if (cmd.argument().empty()) {
|
||||
if (cmd.action() == LFUN_BUFFER_ZOOM)
|
||||
return 1.0;
|
||||
else if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
|
||||
return zr + 0.1;
|
||||
else // cmd.action() == LFUN_BUFFER_ZOOM_OUT
|
||||
return zr - 0.1;
|
||||
} else {
|
||||
if (cmd.action() == LFUN_BUFFER_ZOOM)
|
||||
return convert<int>(cmd.argument()) / double(lyxrc.defaultZoom);
|
||||
else if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
|
||||
return zr + convert<int>(cmd.argument()) / 100.0;
|
||||
else // cmd.action() == LFUN_BUFFER_ZOOM_OUT
|
||||
return zr - convert<int>(cmd.argument()) / 100.0;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
|
||||
{
|
||||
bool enable = true;
|
||||
@ -2122,36 +2145,24 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
|
||||
break;
|
||||
|
||||
case LFUN_BUFFER_ZOOM_OUT:
|
||||
case LFUN_BUFFER_ZOOM_IN: {
|
||||
// only diff between these two is that the default for ZOOM_OUT
|
||||
// is a neg. number
|
||||
bool const neg_zoom =
|
||||
convert<int>(cmd.argument()) < 0 ||
|
||||
(cmd.action() == LFUN_BUFFER_ZOOM_OUT && cmd.argument().empty());
|
||||
if (lyxrc.currentZoom <= zoom_min_ && neg_zoom) {
|
||||
case LFUN_BUFFER_ZOOM_IN:
|
||||
case LFUN_BUFFER_ZOOM: {
|
||||
int const zoom = (int)(lyxrc.defaultZoom * zoomRatio(cmd, zoom_ratio_));
|
||||
if (zoom < zoom_min_) {
|
||||
docstring const msg =
|
||||
bformat(_("Zoom level cannot be less than %1$d%."), zoom_min_);
|
||||
flag.message(msg);
|
||||
enable = false;
|
||||
} else if (zoom > zoom_max_) {
|
||||
docstring const msg =
|
||||
bformat(_("Zoom level cannot be more than %1$d%."), zoom_max_);
|
||||
flag.message(msg);
|
||||
enable = false;
|
||||
} else
|
||||
enable = doc_buffer;
|
||||
break;
|
||||
}
|
||||
|
||||
case LFUN_BUFFER_ZOOM: {
|
||||
bool const less_than_min_zoom =
|
||||
!cmd.argument().empty() && convert<int>(cmd.argument()) < zoom_min_;
|
||||
if (lyxrc.currentZoom <= zoom_min_ && less_than_min_zoom) {
|
||||
docstring const msg =
|
||||
bformat(_("Zoom level cannot be less than %1$d%."), zoom_min_);
|
||||
flag.message(msg);
|
||||
enable = false;
|
||||
}
|
||||
else
|
||||
enable = doc_buffer;
|
||||
break;
|
||||
}
|
||||
|
||||
case LFUN_BUFFER_MOVE_NEXT:
|
||||
case LFUN_BUFFER_MOVE_PREVIOUS:
|
||||
// we do not cycle when moving
|
||||
@ -4223,26 +4234,11 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
|
||||
case LFUN_BUFFER_ZOOM_IN:
|
||||
case LFUN_BUFFER_ZOOM_OUT:
|
||||
case LFUN_BUFFER_ZOOM: {
|
||||
if (cmd.argument().empty()) {
|
||||
if (cmd.action() == LFUN_BUFFER_ZOOM)
|
||||
zoom_ratio_ = 1.0;
|
||||
else if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
|
||||
zoom_ratio_ += 0.1;
|
||||
else
|
||||
zoom_ratio_ -= 0.1;
|
||||
} else {
|
||||
if (cmd.action() == LFUN_BUFFER_ZOOM)
|
||||
zoom_ratio_ = convert<int>(cmd.argument()) / double(lyxrc.defaultZoom);
|
||||
else if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
|
||||
zoom_ratio_ += convert<int>(cmd.argument()) / 100.0;
|
||||
else
|
||||
zoom_ratio_ -= convert<int>(cmd.argument()) / 100.0;
|
||||
}
|
||||
zoom_ratio_ = zoomRatio(cmd, zoom_ratio_);
|
||||
|
||||
// Actual zoom value: default zoom + fractional extra value
|
||||
int zoom = lyxrc.defaultZoom * zoom_ratio_;
|
||||
if (zoom < static_cast<int>(zoom_min_))
|
||||
zoom = zoom_min_;
|
||||
int zoom = (int)(lyxrc.defaultZoom * zoom_ratio_);
|
||||
zoom = min(max(zoom, zoom_min_), zoom_max_);
|
||||
|
||||
lyxrc.currentZoom = zoom;
|
||||
|
||||
|
@ -478,6 +478,8 @@ private:
|
||||
double zoom_ratio_ = 1.0;
|
||||
/// Minimum zoom percentage
|
||||
static int const zoom_min_ = 10;
|
||||
/// Maximum zoom percentage
|
||||
static int const zoom_max_ = 1000;
|
||||
|
||||
// movability flag of all toolbars
|
||||
bool toolbarsMovable_;
|
||||
|
@ -149,6 +149,7 @@ What's new
|
||||
|
||||
- Fix broken modifier handling for Qt-5.12 on Mac (bug 12247).
|
||||
|
||||
- Limit zoom value to 1000% to avoid crashes (bug 12452).
|
||||
|
||||
|
||||
* INTERNALS
|
||||
|
Loading…
Reference in New Issue
Block a user