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fix: preset dropdown selection for predefined presets

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rattatwinko
2026-06-16 20:33:47 +02:00
parent 71cf1af43a
commit 97166e9f4e
2 changed files with 82 additions and 69 deletions
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src/gui/GradientDialog.cpp
+41 -16
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@@ -17,39 +17,58 @@ static QVector<QColor> makePreset4(const QColor &c0, const QColor &c1,
struct Preset {
QString name;
QVector<QColor> colors;
QVector<QColor> colors;
};
// Presets are defined in a Vector for simplicity of adding new ones
static const QVector<Preset> PRESETS = {
{ "Default",
{ QColor("#078D70"), QColor("#26CEAA"), QColor("#98E8C1"), QColor("#FFFFFF") } },
{ QColor("#078D70"), QColor("#26CEAA"), QColor("#98E8C1"), QColor("#FFFFFF") } },
{ "Pastels",
makePreset4(QColor("#92ccdd"), QColor("#c7eff0"),
QColor("#f5d5fd"), QColor("#fdc4ec"), QColor("#ffc2cb")) },
makePreset4(QColor("#92ccdd"), QColor("#c7eff0"),
QColor("#f5d5fd"), QColor("#fdc4ec"), QColor("#ffc2cb")) },
{ "Raddish",
makePreset4(QColor("#ff0000"), QColor("#b40000"),
QColor("#890000"), QColor("#540000"), QColor("#240000")) },
makePreset4(QColor("#ff0000"), QColor("#b40000"),
QColor("#890000"), QColor("#540000"), QColor("#240000")) },
{ "Blau",
makePreset4(QColor("#72c8dd"), QColor("#43b5d2"),
QColor("#14a3c7"), QColor("#1293b3"), QColor("#10829f")) },
makePreset4(QColor("#72c8dd"), QColor("#43b5d2"),
QColor("#14a3c7"), QColor("#1293b3"), QColor("#10829f")) },
{ "Turquoise",
makePreset4(QColor("#d8f2f6"), QColor("#8bd9ef"),
QColor("#3ec1d5"), QColor("#319aaa"), QColor("#25737f")) },
makePreset4(QColor("#d8f2f6"), QColor("#8bd9ef"),
QColor("#3ec1d5"), QColor("#319aaa"), QColor("#25737f")) },
{ "Aqua",
makePreset4(QColor("#2278FB"), QColor("#3A9AF0"),
QColor("#53BDE6"), QColor("#6BDFDB"), QColor("#1A5BB8")) },
makePreset4(QColor("#2278FB"), QColor("#3A9AF0"),
QColor("#53BDE6"), QColor("#6BDFDB"), QColor("#1A5BB8")) },
{ "Peaches",
makePreset4(QColor("#FFCAA6"), QColor("#FDA8A0"),
QColor("#FA879A"), QColor("#F86594"), QColor("#FFE0CC")) }
makePreset4(QColor("#FFCAA6"), QColor("#FDA8A0"),
QColor("#FA879A"), QColor("#F86594"), QColor("#FFE0CC")) }
};
static int findPresetIndex(const QVector<QColor> &stops)
{
for (int i = 0; i < PRESETS.size(); ++i) {
const auto &pc = PRESETS[i].colors;
if (pc.size() != stops.size())
continue;
bool match = true;
for (int j = 0; j < pc.size(); ++j) {
if (pc[j].rgb() != stops[j].rgb()) {
match = false;
break;
}
}
if (match)
return i;
}
return -1;
}
GradientDialog::GradientDialog(const QVector<QColor> &stops,
QWidget *parent)
: QDialog(parent), m_stops(stops)
@@ -99,6 +118,12 @@ GradientDialog::GradientDialog(const QVector<QColor> &stops,
mainLay->addLayout(dialogBtns);
updatePreview();
int presetIdx = findPresetIndex(m_stops);
if (presetIdx >= 0) {
QSignalBlocker blocker(m_presetCombo);
m_presetCombo->setCurrentIndex(presetIdx);
}
}
void GradientDialog::onStopClicked(int index)
@@ -128,11 +153,11 @@ void GradientDialog::updatePreview()
QLinearGradient grad(0, 0, pix.width(), 0);
for (int i = 0; i < m_stops.size(); ++i) {
qreal pos = (m_stops.size() == 1) ? 0.5
: qreal(i) / (m_stops.size() - 1);
: qreal(i) / (m_stops.size() - 1);
grad.setColorAt(pos, m_stops[i]);
}
p.setBrush(grad);
p.drawRect(pix.rect());
p.end();
m_preview->setPixmap(pix);
}
}