I have another Qt 4.5/Cocoa oddity to report:
If you adjust the font properties (e.g. bold, italic) of a widget but
leave its font family unchanged (i.e. at the system default, which is
'Lucida Grande'), then it does nothing on Qt 4.5/Cocoa/OS X SDK 10.5,
but works properly on Qt 4.4/Carbon/OS X SDK 10.4u.
The strange thing is that it works properly if you set a widget's font
family to certain values (e.g. Arial, Verdana or Times New Roman) but
not if it's left at the default of Lucida Grande (or even if I
explicitly use QFont::setFamily("Lucida Grande") ).
I.e. widget font properties are working with some fonts but not others
(and most notably not with OS X's default widget font).
I haven't actually tried rebuilding Qt 4.4/Carbon with OS X SDK 10.5, so
I'm not absolutely sure whether the issue is in Qt 4.5/Cocoa
specifically, or whether it's an issue in OS X SDK 10.5 itself.
A workaround is always to set all widget font families to Arial or
similar, but that looks a bit shoddy and non-native.
To reproduce, edit $QTDIR/examples/widgets/charactermap/mainwindow.cpp,
find the MainWindow::MainWindow() ctor and add the following three lines:
MainWindow::MainWindow()
{
QWidget *centralWidget = new QWidget;
QLabel *fontLabel = new QLabel(tr("Font:"));
fontCombo = new QFontComboBox;
QLabel *sizeLabel = new QLabel(tr("Size:"));
sizeCombo = new QComboBox;
QLabel *styleLabel = new QLabel(tr("Style:"));
styleCombo = new QComboBox;
QLabel *fontMergingLabel = new QLabel(tr("Automatic Font Merging:"));
QFont font = fontMergingLabel->font(); // ADD THIS LINE
font.setItalic(true); // ADD THIS LINE
fontMergingLabel->setFont(font); // ADD THIS LINE
...
Build and run. The 'Automatic Font Merging' label shows correctly in
italic on Qt 4.4/Carbon/OS X SDK 10.4u but incorrectly (i.e. it isn't
italic) on Qt 4.5/Cocoa/OS X SDK 10.5.
Many thanks and best regards,
Martin.
Martin Dyde,
Milan Digital Audio LLC.
http://www.crumhorn-labs.com/
http://www.milandigitalaudio.com/
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