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Added support for variable font DPI (range 64-512) in user session.

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Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
pull/229/head
Michele Calgaro 3 years ago
parent 6d39ea6ae8
commit e8d8664504
Signed by: MicheleC
GPG Key ID: 2A75B7CA8ADED5CF
4 changed files with 71 additions and 34 deletions
Show Stats Download Patch File Download Diff File

64
kcontrol/fonts/fonts.cpp
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@ -637,23 +637,20 @@ TDEFonts::TDEFonts(TQWidget *parent, const char *name, const TQStringList &)
lay->addWidget( label, 1, 0 );
comboForceDpi = new TQComboBox( this );
label->setBuddy( comboForceDpi );
comboForceDpi->insertItem( i18n( "Disabled" )); // change DPISetti ng type if order changes
comboForceDpi->insertItem( i18n( "96 DPI" ));
comboForceDpi->insertItem( i18n( "120 DPI" ));
comboForceDpi->insertItem( i18n( "Disabled" ));
comboForceDpi->insertItem( i18n( "Enabled" ));
TQString whatsthis = i18n(
"<p>This option forces a specific DPI value for fonts. It may be useful"
" when the real DPI of the hardware is not detected properly and it"
" is also often misused when poor quality fonts are used that do not"
" look well with DPI values other than 96 or 120 DPI.</p>"
"<p>The use of this option is generally discouraged. For selecting proper DPI"
" value a better option is explicitly configuring it for the whole X server if"
" possible (e.g. DisplaySize in xorg.conf or adding <i>-dpi value</i> to"
" ServerLocalArgs= in $TDEDIR/share/config/tdm/tdmrc). When fonts do not render"
" properly with real DPI value better fonts should be used or configuration"
" of font hinting should be checked.</p>" );
" look well with DPI values other than 96 or 120 DPI.</p>");
TQWhatsThis::add(comboForceDpi, whatsthis);
connect( comboForceDpi, TQT_SIGNAL( activated( int )), TQT_SLOT( changed()));
connect(comboForceDpi, TQT_SIGNAL(activated(int)), TQT_SLOT(slotUseFontDPI()));
sbDpiValue = new KIntSpinBox(64, 512, 1, 96, 10, this);
TQWhatsThis::add(sbDpiValue, whatsthis);
connect(sbDpiValue, TQT_SIGNAL(valueChanged(int)), TQT_SLOT(changed()));
lay->addWidget( comboForceDpi, 1, 1 );
lay->addWidget( sbDpiValue, 1, 2 );
layout->addStretch(1);
@ -695,10 +692,22 @@ void TDEFonts::load( bool useDefaults )
TDEConfig cfgfonts("kcmfonts", true);
cfgfonts.setGroup("General");
int dpicfg = cfgfonts.readNumEntry( "forceFontDPI", 0 );
DPISetting dpi = dpicfg == 120 ? DPI120 : dpicfg == 96 ? DPI96 : DPINone;
comboForceDpi->setCurrentItem( dpi );
dpi_original = dpi;
int dpicfg = cfgfonts.readNumEntry("forceFontDPI", 0);
// "forceFontDPIEnable" must be read after "forceFontDPI" to make sure it is
// correctly initialized on the first run when upgrading to the new format,
// without the user even noticying it. The first time "forceFontDPIEnable"
// will not exist and its correct value will be deduced by the existing value
// of "forceFontDPI", which contains the value prior to the update.
bool dpiEnable = cfgfonts.readBoolEntry("forceFontDPIEnable", dpicfg > 0);
dpi_original = dpiEnable ? DPIValue : DPINone;
dpi_value_original = dpicfg;
if (dpi_value_original < 64 || dpi_value_original > 512)
{
dpi_value_original = 96;
}
comboForceDpi->setCurrentItem(dpi_original);
sbDpiValue->setValue(dpi_value_original);
sbDpiValue->setEnabled(dpi_original != DPINone);
if( cfgfonts.readBoolEntry( "dontChangeAASettings", true )) {
useAA_original = useAA = AASystem;
cbAA->setCurrentItem( useAA );
@ -717,14 +726,16 @@ void TDEFonts::save()
TDEConfig cfgfonts("kcmfonts");
cfgfonts.setGroup("General");
DPISetting dpi = static_cast< DPISetting >( comboForceDpi->currentItem());
const int dpi2value[] = { 0, 96, 120 };
cfgfonts.writeEntry( "forceFontDPI", dpi2value[ dpi ] );
DPISetting dpi = (DPISetting)comboForceDpi->currentItem();
int dpival = sbDpiValue->value();
cfgfonts.writeEntry( "forceFontDPIEnable", dpi != DPINone );
cfgfonts.writeEntry( "forceFontDPI", dpival );
cfgfonts.writeEntry( "dontChangeAASettings", cbAA->currentItem() == AASystem );
cfgfonts.sync();
// if the setting is reset in the module, remove the dpi value,
// otherwise don't explicitly remove it and leave any possible system-wide value
if( dpi == DPINone && dpi_original != DPINone ) {
if(dpi == DPINone)
{
KProcIO proc;
proc << "xrdb" << "-quiet" << "-remove" << "-nocpp";
proc.writeStdin( TQCString( "Xft.dpi" ), true );
@ -755,11 +766,11 @@ void TDEFonts::save()
if( cbAA->currentItem() != AASystem )
aaSave = aaSettings->save( useAA == AAEnabled );
if( aaSave || (useAA != useAA_original) || dpi != dpi_original) {
if( aaSave || (useAA != useAA_original) || dpival != dpi_value_original || dpi != dpi_original)
{
KMessageBox::information(this,
i18n(
"<p>Some changes such as anti-aliasing will only affect newly started applications.</p>"
), i18n("Font Settings Changed"), "FontSettingsChanged", false);
i18n( "<p>Some changes such as anti-aliasing will only affect newly started applications.</p>"),
i18n("Font Settings Changed"), "FontSettingsChanged", false);
useAA_original = useAA;
dpi_original = dpi;
}
@ -791,6 +802,13 @@ void TDEFonts::slotUseAntiAliasing()
emit changed(true);
}
void TDEFonts::slotUseFontDPI()
{
DPISetting dpi = (DPISetting)(comboForceDpi->currentItem());
sbDpiValue->setEnabled(dpi != DPINone);
emit changed(true);
}
void TDEFonts::slotCfgAa()
{
if(aaSettings->exec())

6
kcontrol/fonts/fonts.h
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@ -20,6 +20,7 @@
class TQCheckBox;
class TQComboBox;
class KDoubleNumInput;
class KIntSpinBox;
class FontAASettings;
class FontUseItem : public TDEFontRequester
@ -107,15 +108,18 @@ protected slots:
void slotApplyFontDiff();
void slotUseAntiAliasing();
void slotCfgAa();
void slotUseFontDPI();
private:
enum AASetting { AAEnabled, AASystem, AADisabled };
enum DPISetting { DPINone, DPI96, DPI120 };
enum DPISetting { DPINone, DPIValue };
AASetting useAA, useAA_original;
DPISetting dpi_original;
int dpi_value_original;
TQComboBox *cbAA;
TQComboBox* comboForceDpi;
TQPushButton *aaSettingsButton;
KIntSpinBox *sbDpiValue;
TQPtrList <FontUseItem> fontUseList;
FontAASettings *aaSettings;
};

17
kcontrol/krdb/krdb.cpp
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@ -547,8 +547,21 @@ void runRdb( uint flags )
TDEConfig cfgfonts("kcmfonts", true);
cfgfonts.setGroup("General");
if( cfgfonts.readNumEntry( "forceFontDPI", 0 ) != 0 )
contents += "Xft.dpi: " + cfgfonts.readEntry( "forceFontDPI" ) + '\n';
int dpicfg = cfgfonts.readNumEntry("forceFontDPI", 0);
// "forceFontDPIEnable" must be read after "forceFontDPI" to make sure it is
// correctly initialized on the first run when upgrading to the new format,
// without the user even noticying it. The first time "forceFontDPIEnable"
// will not exist and its correct value will be deduced by the existing value
// of "forceFontDPI", which contains the value prior to the update.
bool dpiEnable = cfgfonts.readBoolEntry("forceFontDPIEnable", dpicfg > 0);
if (dpicfg < 64 || dpicfg > 512)
{
dpicfg = 96;
}
if (dpiEnable)
{
contents += "Xft.dpi: " + TQString::number(dpicfg) + '\n';
}
}
if (contents.length() > 0)

18
starttde
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@ -377,6 +377,7 @@ kcmrandrrc [Screen0]
kcmrandrrc [Screen1]
kcmrandrrc [Screen2]
kcmrandrrc [Screen3]
kcmfonts General forceFontDPIEnable false
kcmfonts General forceFontDPI 0
EOF
$TDEDIR/bin/tdestartupconfig
@ -474,14 +475,15 @@ if test -z "$dl" && test "$kpersonalizerrc_general_firstlogin" != "true"; then
esac
fi
if test "$kcmfonts_general_forcefontdpi" -eq 120; then
xrdb -quiet -merge -nocpp <<EOF
Xft.dpi: 120
EOF
elif test "$kcmfonts_general_forcefontdpi" -eq 96; then
xrdb -quiet -merge -nocpp <<EOF
Xft.dpi: 96
EOF
if test "$kcmfonts_general_forcefontdpienable" = "true"; then
echo "[starttde] Setting font DPI to $kcmfonts_general_forcefontdpi" 1>&2
tmpfile=$(mktemp /tmp/xft_dpi_settings.XXXXXX)
echo "Xft.dpi: $kcmfonts_general_forcefontdpi" > $tmpfile
xrdb -quiet -merge -nocpp $tmpfile
rm $tmpfile
else
echo "[starttde] Clearing setting of font DPI value" 1>&2
xrdb -quiet -remove -nocpp Xft.dpi
fi
# Configuration of the gtk_qt_engine if not already set.

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