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Improve reading the color scheme in Client

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Only emit paletteChanged signal and repaint decoration if the palette
actually changed. Even more important: check for path.isEmpty() instead
of path.isNull(). ::isNull() returns false for "" causing a costly
creation for default color scheme.

REVIEW: 122083
This commit is contained in:
Martin Gräßlin 2015-01-15 17:06:38 +01:00
parent 7dc2baf74d
commit 60ebdbe352
1 changed files with 9 additions and 5 deletions
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14
client.cpp
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@ -2294,13 +2294,17 @@ void Client::updateColorScheme()
// TODO: move into KWindowInfo
QString path = QString::fromUtf8(Xcb::StringProperty(m_client, atoms->kde_color_sheme));
path = rules()->checkDecoColor(path);
if (!path.isNull()) {
m_palette = KColorScheme::createApplicationPalette(KSharedConfig::openConfig(path));
QPalette p = m_palette;
if (!path.isEmpty()) {
p = KColorScheme::createApplicationPalette(KSharedConfig::openConfig(path));
} else {
m_palette = QApplication::palette();
p = QApplication::palette();
}
if (p != m_palette) {
m_palette = p;
emit paletteChanged(m_palette);
triggerDecorationRepaint();
}
emit paletteChanged(m_palette);
triggerDecorationRepaint();
}
bool Client::isClient() const