Commit 4d708fa4 authored by mae's avatar mae

new text editor option "Highlight blocks"

parent ebfcd35a
......@@ -1199,6 +1199,17 @@ bool BaseTextEditor::lineSeparatorsAllowed() const
return d->m_lineSeparatorsAllowed;
}
void BaseTextEditor::setHighlightBlocks(bool b)
{
d->m_highlightBlocks = b & d->m_codeFoldingSupported;
viewport()->update();
}
bool BaseTextEditor::highlightBlocks() const
{
return d->m_highlightBlocks;
}
void BaseTextEditor::setCodeFoldingVisible(bool b)
{
......@@ -1262,6 +1273,7 @@ BaseTextEditorPrivate::BaseTextEditorPrivate()
m_marksVisible(false),
m_codeFoldingVisible(false),
m_codeFoldingSupported(false),
m_highlightBlocks(false),
m_revisionsVisible(false),
m_lineNumbersVisible(true),
m_highlightCurrentLine(true),
......@@ -1662,6 +1674,24 @@ void BaseTextEditorPrivate::moveCursorVisible(bool ensureVisible)
q->ensureCursorVisible();
}
static QColor calcBlendColor(const QColor &baseColor, int factor = 1)
{
const int blendBase = (baseColor.value() > 128) ? 0 : 255;
// Darker backgrounds may need a bit more contrast
// (this calculation is temporary solution until we have a setting for this color)
const int blendFactor = (baseColor.value() > 128) ? 8 : 16;
QColor blendColor = baseColor;
while (factor--) {
blendColor = QColor(
(blendBase * blendFactor + blendColor.blue() * (256 - blendFactor)) / 256,
(blendBase * blendFactor + blendColor.green() * (256 - blendFactor)) / 256,
(blendBase * blendFactor + blendColor.blue() * (256 - blendFactor)) / 256);
}
return blendColor;
}
void BaseTextEditor::paintEvent(QPaintEvent *e)
{
/*
......@@ -1682,19 +1712,13 @@ void BaseTextEditor::paintEvent(QPaintEvent *e)
QRect viewportRect = viewport()->rect();
const QColor baseColor = palette().base().color();
const int blendBase = (baseColor.value() > 128) ? 0 : 255;
// Darker backgrounds may need a bit more contrast
// (this calculation is temporary solution until we have a setting for this color)
const int blendFactor = (baseColor.value() > 128) ? 8 : 16;
const QColor blendColor(
(blendBase * blendFactor + baseColor.blue() * (256 - blendFactor)) / 256,
(blendBase * blendFactor + baseColor.green() * (256 - blendFactor)) / 256,
(blendBase * blendFactor + baseColor.blue() * (256 - blendFactor)) / 256);
const QColor blendColor = calcBlendColor(baseColor);
if (d->m_visibleWrapColumn > 0) {
qreal lineX = fontMetrics().averageCharWidth() * d->m_visibleWrapColumn + offset.x() + 4;
painter.fillRect(QRectF(lineX, 0, viewportRect.width() - lineX, viewportRect.height()), blendColor);
}
// keep right margin clean from full-width selection
int maxX = offset.x() + qMax((qreal)viewportRect.width(), documentLayout->documentSize().width())
- doc->documentMargin();
......@@ -1736,12 +1760,24 @@ void BaseTextEditor::paintEvent(QPaintEvent *e)
while (block.isValid()) {
if (!block.isVisible()) {
block = block.next();
continue;
}
QRectF r = blockBoundingRect(block).translated(offset);
if (d->m_highlightBlocks) {
QTextBlock previousBlock = block.previous();
if (previousBlock.isValid()){
int thisBraceDepth = block.userState();
if (thisBraceDepth >= 0)
thisBraceDepth >>= 8;
int braceDepth = block.previous().userState();
if (braceDepth >= 0)
braceDepth >>= 8;
int minBraceDepth = qMin(thisBraceDepth, braceDepth);
if (minBraceDepth > 0) {
painter.fillRect(r, calcBlendColor(baseColor, minBraceDepth));
}
}
}
QTextLayout *layout = block.layout();
QTextOption option = layout->textOption();
......@@ -3413,6 +3449,7 @@ void BaseTextEditor::setDisplaySettings(const DisplaySettings &ds)
setVisibleWrapColumn(ds.m_showWrapColumn ? ds.m_wrapColumn : 0);
setCodeFoldingVisible(ds.m_displayFoldingMarkers);
setHighlightCurrentLine(ds.m_highlightCurrentLine);
setHighlightBlocks(ds.m_highlightBlocks);
if (d->m_displaySettings.m_visualizeWhitespace != ds.m_visualizeWhitespace) {
if (QSyntaxHighlighter *highlighter = baseTextDocument()->syntaxHighlighter())
......
......@@ -267,9 +267,13 @@ public:
void setHighlightCurrentLine(bool b);
bool highlightCurrentLine() const;
void setHighlightBlocks(bool b);
bool highlightBlocks() const;
void setLineNumbersVisible(bool b);
bool lineNumbersVisible() const;
void setMarksVisible(bool b);
bool marksVisible() const;
......
......@@ -183,6 +183,7 @@ public:
uint m_marksVisible : 1;
uint m_codeFoldingVisible : 1;
uint m_codeFoldingSupported : 1;
uint m_highlightBlocks : 1;
uint m_revisionsVisible : 1;
uint m_lineNumbersVisible : 1;
uint m_highlightCurrentLine : 1;
......
......@@ -41,6 +41,7 @@ static const char * const wrapColumnKey = "WrapColumn";
static const char * const visualizeWhitespaceKey = "VisualizeWhitespace";
static const char * const displayFoldingMarkersKey = "DisplayFoldingMarkers";
static const char * const highlightCurrentLineKey = "HighlightCurrentLineKey";
static const char * const highlightBlocksKey = "HighlightBlocksKey";
static const char * const groupPostfix = "DisplaySettings";
namespace TextEditor {
......@@ -52,7 +53,8 @@ DisplaySettings::DisplaySettings() :
m_wrapColumn(80),
m_visualizeWhitespace(false),
m_displayFoldingMarkers(true),
m_highlightCurrentLine(true)
m_highlightCurrentLine(true),
m_highlightBlocks(false)
{
}
......@@ -69,6 +71,7 @@ void DisplaySettings::toSettings(const QString &category, QSettings *s) const
s->setValue(QLatin1String(visualizeWhitespaceKey), m_visualizeWhitespace);
s->setValue(QLatin1String(displayFoldingMarkersKey), m_displayFoldingMarkers);
s->setValue(QLatin1String(highlightCurrentLineKey), m_highlightCurrentLine);
s->setValue(QLatin1String(highlightBlocksKey), m_highlightBlocks);
s->endGroup();
}
......@@ -88,6 +91,7 @@ void DisplaySettings::fromSettings(const QString &category, const QSettings *s)
m_visualizeWhitespace = s->value(group + QLatin1String(visualizeWhitespaceKey), m_visualizeWhitespace).toBool();
m_displayFoldingMarkers = s->value(group + QLatin1String(displayFoldingMarkersKey), m_displayFoldingMarkers).toBool();
m_highlightCurrentLine = s->value(group + QLatin1String(highlightCurrentLineKey), m_highlightCurrentLine).toBool();
m_highlightBlocks = s->value(group + QLatin1String(highlightBlocksKey), m_highlightBlocks).toBool();
}
bool DisplaySettings::equals(const DisplaySettings &ds) const
......@@ -99,6 +103,7 @@ bool DisplaySettings::equals(const DisplaySettings &ds) const
&& m_visualizeWhitespace == ds.m_visualizeWhitespace
&& m_displayFoldingMarkers == ds.m_displayFoldingMarkers
&& m_highlightCurrentLine == ds.m_highlightCurrentLine
&& m_highlightBlocks == ds.m_highlightBlocks
;
}
......
......@@ -52,6 +52,7 @@ struct TEXTEDITOR_EXPORT DisplaySettings
bool m_visualizeWhitespace;
bool m_displayFoldingMarkers;
bool m_highlightCurrentLine;
bool m_highlightBlocks;
bool equals(const DisplaySettings &ds) const;
};
......
......@@ -122,6 +122,7 @@ void DisplaySettingsPage::settingsFromUI(DisplaySettings &displaySettings) const
displaySettings.m_visualizeWhitespace = m_d->m_page.visualizeWhitespace->isChecked();
displaySettings.m_displayFoldingMarkers = m_d->m_page.displayFoldingMarkers->isChecked();
displaySettings.m_highlightCurrentLine = m_d->m_page.highlightCurrentLine->isChecked();
displaySettings.m_highlightBlocks = m_d->m_page.highlightBlocks->isChecked();
}
void DisplaySettingsPage::settingsToUI()
......@@ -134,6 +135,7 @@ void DisplaySettingsPage::settingsToUI()
m_d->m_page.visualizeWhitespace->setChecked(displaySettings.m_visualizeWhitespace);
m_d->m_page.displayFoldingMarkers->setChecked(displaySettings.m_displayFoldingMarkers);
m_d->m_page.highlightCurrentLine->setChecked(displaySettings.m_highlightCurrentLine);
m_d->m_page.highlightBlocks->setChecked(displaySettings.m_highlightBlocks);
}
DisplaySettings DisplaySettingsPage::displaySettings() const
......
......@@ -64,6 +64,13 @@
</property>
</widget>
</item>
<item row="4" column="0">
<widget class="QCheckBox" name="highlightBlocks">
<property name="text">
<string>Highlight &amp;blocks</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
......
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