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qt: Only update widget's font if required

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This commit is contained in:
xdustinface 2020-09-25 12:41:03 +02:00
parent 5d496615d2
commit 3ab9f20d70
1 changed files with 53 additions and 17 deletions
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70
src/qt/guiutil.cpp
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@ -1571,7 +1571,7 @@ void updateFonts()
};
static std::map<QString, int> mapDefaultFontSizes;
std::map<QWidget*, QFont> mapWidgetFonts;
std::map<QWidget*, std::pair<QFont, bool>> mapWidgetFonts;
for (QWidget* w : qApp->allWidgets()) {
if (strcmp(w->metaObject()->className(), "QTipLabel") == 0 ||
@ -1587,17 +1587,34 @@ void updateFonts()
font.setStyle(qApp->font().style());
// Set the font size based on the widgets default font size + the font scale
QString key = getKey(w);
bool fAdded = false;
if (!mapDefaultFontSizes.count(key)) {
mapDefaultFontSizes.emplace(std::make_pair(key, font.pointSize() > 0 ? font.pointSize() : defaultFontSize));
fAdded = true;
}
bool fDefaultFont = mapNormalFontUpdates.find(w) == mapNormalFontUpdates.end() &&
mapFontSizeUpdates.find(w) == mapFontSizeUpdates.end() &&
setFixedPitchFontUpdates.find(w) == setFixedPitchFontUpdates.end();
bool fDefaultFontChanged = font.pointSizeF() != getScaledFontSize(mapDefaultFontSizes[key]);
font.setPointSizeF(getScaledFontSize(mapDefaultFontSizes[key]));
mapWidgetFonts.emplace(w, font);
mapWidgetFonts.emplace(w, std::make_pair(font, fAdded || (fDefaultFont && fDefaultFontChanged)));
}
auto itn = mapNormalFontUpdates.begin();
while (itn != mapNormalFontUpdates.end()) {
if (mapWidgetFonts.count(itn->first)) {
mapWidgetFonts[itn->first] = getFont(itn->second.first, itn->second.second, mapDefaultFontSizes[getKey(itn->first)]);
auto itw = mapWidgetFonts.find(itn->first);
if (itw != mapWidgetFonts.end()) {
int nSize = mapDefaultFontSizes[getKey(itn->first)];
auto its = mapFontSizeUpdates.find(itn->first);
if (its != mapFontSizeUpdates.end()) {
nSize = its->second;
}
QFont&& font = getFont(itn->second.first, itn->second.second, nSize);
if (itn->first->font() != font) {
itw->second.first = font;
itw->second.second = true;
}
++itn;
} else {
itn = mapNormalFontUpdates.erase(itn);
@ -1605,10 +1622,14 @@ void updateFonts()
}
auto its = mapFontSizeUpdates.begin();
while (its != mapFontSizeUpdates.end()) {
if (mapWidgetFonts.count(its->first)) {
QFont font = mapWidgetFonts[its->first];
font.setPointSizeF(getScaledFontSize(its->second));
mapWidgetFonts[its->first] = font;
auto itw = mapWidgetFonts.find(its->first);
if (itw != mapWidgetFonts.end()) {
if (its->first->font().pointSizeF() != getScaledFontSize(its->second)) {
QFont font = mapWidgetFonts[its->first].first;
font.setPointSizeF(getScaledFontSize(its->second));
itw->second.first = font;
itw->second.second = true;
}
++its;
} else {
its = mapFontSizeUpdates.erase(its);
@ -1616,10 +1637,14 @@ void updateFonts()
}
auto itf = setFixedPitchFontUpdates.begin();
while (itf != setFixedPitchFontUpdates.end()) {
if (mapWidgetFonts.count(*itf)) {
auto itw = mapWidgetFonts.find(*itf);
if (itw != mapWidgetFonts.end()) {
QFont font = fixedPitchFont();
font.setPointSizeF(getScaledFontSize(mapDefaultFontSizes[getKey(*itf)]));
mapWidgetFonts[*itf] = font;
if ((*itf)->font() != font) {
itw->second.first = font;
itw->second.second = true;
}
++itf;
} else {
itf = setFixedPitchFontUpdates.erase(itf);
@ -1627,7 +1652,9 @@ void updateFonts()
}
for (auto it : mapWidgetFonts) {
it.first->setFont(it.second);
if (it.second.second) {
it.first->setFont(it.second.first);
}
}
// Scale the global font for QToolTip labels, QMenu and QMessageBox instances
@ -1644,13 +1671,22 @@ void updateFonts()
if (!mapDefaultFontSizes.count("QMessageBox")) {
mapDefaultFontSizes.emplace("QMessageBox", fontMessageBox.pointSize());
}
fontToolTip.setPointSizeF(getScaledFontSize(mapDefaultFontSizes["QTipLabel"]));
fontMenu.setPointSizeF(getScaledFontSize(mapDefaultFontSizes["QMenu"]));
fontMessageBox.setPointSizeF(getScaledFontSize(mapDefaultFontSizes["QMessageBox"]));
qApp->setFont(fontToolTip, "QTipLabel");
qApp->setFont(fontMenu, "QMenu");
qApp->setFont(fontMessageBox, "QMessageBox");
// And give them the proper scaled size based on their default sizes if required
double dSize = getScaledFontSize(mapDefaultFontSizes["QTipLabel"]);
if (fontToolTip.pointSizeF() != dSize) {
fontToolTip.setPointSizeF(dSize);
qApp->setFont(fontToolTip, "QTipLabel");
}
dSize = getScaledFontSize(mapDefaultFontSizes["QMenu"]);
if (fontMenu.pointSizeF() != dSize) {
fontMenu.setPointSizeF(dSize);
qApp->setFont(fontMenu, "QMenu");
}
dSize = getScaledFontSize(getScaledFontSize(mapDefaultFontSizes["QMessageBox"]));
if (fontMessageBox.pointSizeF() != dSize) {
fontMessageBox.setPointSizeF(dSize);
qApp->setFont(fontMessageBox, "QMessageBox");
}
}
QFont getFont(FontFamily family, QFont::Weight qWeight, bool fItalic, int nPointSize)