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-rw-r--r--doc/ScintillaDoc.html6
-rw-r--r--doc/ScintillaHistory.html3
-rw-r--r--include/Scintilla.h2
-rw-r--r--include/Scintilla.iface8
-rw-r--r--src/EditView.cxx70
-rw-r--r--src/Editor.cxx6
-rw-r--r--src/ViewStyle.cxx14
-rw-r--r--src/ViewStyle.h3
8 files changed, 103 insertions, 9 deletions
diff --git a/doc/ScintillaDoc.html b/doc/ScintillaDoc.html
index a91a421a1..5c415f9bb 100644
--- a/doc/ScintillaDoc.html
+++ b/doc/ScintillaDoc.html
@@ -3069,6 +3069,8 @@ struct Sci_TextToFind {
<a class="message" href="#SCI_GETCARETLINEBACK">SCI_GETCARETLINEBACK &rarr; colour</a><br />
<a class="message" href="#SCI_SETCARETLINEBACKALPHA">SCI_SETCARETLINEBACKALPHA(alpha alpha)</a><br />
<a class="message" href="#SCI_GETCARETLINEBACKALPHA">SCI_GETCARETLINEBACKALPHA &rarr; int</a><br />
+ <a class="message" href="#SCI_SETCARETLINEFRAME">SCI_SETCARETLINEFRAME(int width)</a><br />
+ <a class="message" href="#SCI_GETCARETLINEFRAME">SCI_GETCARETLINEFRAME &rarr; int</a><br />
<a class="message" href="#SCI_SETCARETLINEVISIBLEALWAYS">SCI_SETCARETLINEVISIBLEALWAYS(bool alwaysVisible)</a><br />
<a class="message" href="#SCI_GETCARETLINEVISIBLEALWAYS">SCI_GETCARETLINEVISIBLEALWAYS &rarr; bool</a><br />
<a class="message" href="#SCI_SETCARETPERIOD">SCI_SETCARETPERIOD(int periodMilliseconds)</a><br />
@@ -3117,6 +3119,8 @@ struct Sci_TextToFind {
<b id="SCI_GETCARETLINEBACK">SCI_GETCARETLINEBACK &rarr; colour</b><br />
<b id="SCI_SETCARETLINEBACKALPHA">SCI_SETCARETLINEBACKALPHA(<a class="jump" href="#alpha">alpha</a> alpha)</b><br />
<b id="SCI_GETCARETLINEBACKALPHA">SCI_GETCARETLINEBACKALPHA &rarr; int</b><br />
+ <b id="SCI_SETCARETLINEFRAME">SCI_SETCARETLINEFRAME(int width)</b><br />
+ <b id="SCI_GETCARETLINEFRAME">SCI_GETCARETLINEFRAME &rarr; int</b><br />
You can choose to make the background colour of the line containing the caret different with
these messages. To do this, set the desired background colour with
<code>SCI_SETCARETLINEBACK</code>, then use <code>SCI_SETCARETLINEVISIBLE(true)</code> to
@@ -3128,6 +3132,8 @@ struct Sci_TextToFind {
through. This is done by setting the alpha (translucency) value by calling
SCI_SETCARETLINEBACKALPHA. When the alpha is not SC_ALPHA_NOALPHA,
the caret line is drawn after all other features so will affect the colour of all other features.
+ Alternatively <code>SCI_SETCARETLINEFRAME</code> can be used to display the caret line framed
+ instead of filling the whole background. Set width != 0 to enable this option and width = 0 to disable it.
</p>
<p><b id="SCI_SETCARETLINEVISIBLEALWAYS">SCI_SETCARETLINEVISIBLEALWAYS(bool alwaysVisible)</b><br />
diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index 64e8ac995..e5b029227 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -527,6 +527,9 @@
Released 21 March 2017.
</li>
<li>
+ Added a caret line frame as an alternative visual for highlighting the caret line.
+ </li>
+ <li>
Added "Reverse Selected Lines" feature.
</li>
<li>
diff --git a/include/Scintilla.h b/include/Scintilla.h
index dbf6bcd93..58643a8d9 100644
--- a/include/Scintilla.h
+++ b/include/Scintilla.h
@@ -329,6 +329,8 @@ typedef sptr_t (*SciFnDirect)(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
#define SCI_SETCARETLINEVISIBLE 2096
#define SCI_GETCARETLINEBACK 2097
#define SCI_SETCARETLINEBACK 2098
+#define SCI_GETCARETLINEFRAME 2704
+#define SCI_SETCARETLINEFRAME 2705
#define SCI_STYLESETCHANGEABLE 2099
#define SCI_AUTOCSHOW 2100
#define SCI_AUTOCCANCEL 2101
diff --git a/include/Scintilla.iface b/include/Scintilla.iface
index 341044a72..f35206990 100644
--- a/include/Scintilla.iface
+++ b/include/Scintilla.iface
@@ -731,6 +731,14 @@ get colour GetCaretLineBack=2097(,)
# Set the colour of the background of the line containing the caret.
set void SetCaretLineBack=2098(colour back,)
+# Retrieve the caret line frame width.
+# Width = 0 means this option is disabled.
+get int GetCaretLineFrame=2704(,)
+
+# Display the caret line framed.
+# Set width != 0 to enable this option and width = 0 to disable it.
+set void SetCaretLineFrame=2705(int width,)
+
# Set a style to be changeable or not (read only).
# Experimental feature, currently buggy.
set void StyleSetChangeable=2099(int style, bool changeable)
diff --git a/src/EditView.cxx b/src/EditView.cxx
index fcd5c7ff2..4301836db 100644
--- a/src/EditView.cxx
+++ b/src/EditView.cxx
@@ -836,6 +836,37 @@ static void DrawTextBlob(Surface *surface, const ViewStyle &vsDraw, PRectangle r
textBack, textFore);
}
+static void DrawFrame(Surface *surface, ColourDesired colour, int alpha, PRectangle rcFrame) {
+ if (alpha != SC_ALPHA_NOALPHA)
+ surface->AlphaRectangle(rcFrame, 0, colour, alpha, colour, alpha, 0);
+ else
+ surface->FillRectangle(rcFrame, colour);
+}
+
+static void DrawCaretLineFramed(Surface *surface, const ViewStyle &vsDraw, const LineLayout *ll, PRectangle rcLine, int subLine) {
+ const int width = vsDraw.GetFrameWidth();
+ if (subLine == 0 || ll->wrapIndent == 0 || vsDraw.caretLineAlpha != SC_ALPHA_NOALPHA) {
+ // Left
+ DrawFrame(surface, vsDraw.caretLineBackground, vsDraw.caretLineAlpha,
+ PRectangle(rcLine.left, rcLine.top, rcLine.left + width, rcLine.bottom));
+ }
+ if (subLine == 0) {
+ // Top
+ DrawFrame(surface, vsDraw.caretLineBackground, vsDraw.caretLineAlpha,
+ PRectangle(rcLine.left + width, rcLine.top, rcLine.right - width, rcLine.top + width));
+ }
+ if (subLine == ll->lines - 1 || vsDraw.caretLineAlpha != SC_ALPHA_NOALPHA) {
+ // Right
+ DrawFrame(surface, vsDraw.caretLineBackground, vsDraw.caretLineAlpha,
+ PRectangle(rcLine.right - width, rcLine.top, rcLine.right, rcLine.bottom));
+ }
+ if (subLine == ll->lines - 1) {
+ // Bottom
+ DrawFrame(surface, vsDraw.caretLineBackground, vsDraw.caretLineAlpha,
+ PRectangle(rcLine.left + width, rcLine.bottom - width, rcLine.right - width, rcLine.bottom));
+ }
+}
+
void EditView::DrawEOL(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll,
PRectangle rcLine, Sci::Line line, Sci::Position lineEnd, int xStart, int subLine, XYACCUMULATOR subLineStart,
ColourOptional background) {
@@ -963,10 +994,16 @@ void EditView::DrawEOL(Surface *surface, const EditModel &model, const ViewStyle
bool drawWrapMarkEnd = false;
- if (vsDraw.wrapVisualFlags & SC_WRAPVISUALFLAG_END) {
- if (subLine + 1 < ll->lines) {
+ if (subLine + 1 < ll->lines) {
+ if (vsDraw.wrapVisualFlags & SC_WRAPVISUALFLAG_END) {
drawWrapMarkEnd = ll->LineStart(subLine + 1) != 0;
}
+ if (vsDraw.IsLineFrameOpaque(model.caret.active, ll->containsCaret)) {
+ const int width = vsDraw.GetFrameWidth();
+ // Draw right of frame under marker
+ DrawFrame(surface, vsDraw.caretLineBackground, vsDraw.caretLineAlpha,
+ PRectangle(rcLine.right - width, rcLine.top, rcLine.right, rcLine.bottom));
+ }
}
if (drawWrapMarkEnd) {
@@ -1373,11 +1410,19 @@ void EditView::DrawCarets(Surface *surface, const EditModel &model, const ViewSt
}
static void DrawWrapIndentAndMarker(Surface *surface, const ViewStyle &vsDraw, const LineLayout *ll,
- int xStart, PRectangle rcLine, ColourOptional background, DrawWrapMarkerFn customDrawWrapMarker) {
+ int xStart, PRectangle rcLine, ColourOptional background, DrawWrapMarkerFn customDrawWrapMarker,
+ bool caretActive) {
// default bgnd here..
surface->FillRectangle(rcLine, background.isSet ? background :
vsDraw.styles[STYLE_DEFAULT].back);
+ if (vsDraw.IsLineFrameOpaque(caretActive, ll->containsCaret)) {
+ const int width = vsDraw.GetFrameWidth();
+ // Draw left of frame under marker
+ DrawFrame(surface, vsDraw.caretLineBackground, vsDraw.caretLineAlpha,
+ PRectangle(rcLine.left, rcLine.top, rcLine.left + width, rcLine.bottom));
+ }
+
if (vsDraw.wrapVisualFlags & SC_WRAPVISUALFLAG_START) {
// draw continuation rect
@@ -1551,9 +1596,14 @@ static void DrawTranslucentSelection(Surface *surface, const EditModel &model, c
// Draw any translucent whole line states
static void DrawTranslucentLineState(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll,
- Sci::Line line, PRectangle rcLine) {
- if ((model.caret.active || vsDraw.alwaysShowCaretLineBackground) && vsDraw.showCaretLineBackground && ll->containsCaret) {
- SimpleAlphaRectangle(surface, rcLine, vsDraw.caretLineBackground, vsDraw.caretLineAlpha);
+ Sci::Line line, PRectangle rcLine, int subLine) {
+ if ((model.caret.active || vsDraw.alwaysShowCaretLineBackground) && vsDraw.showCaretLineBackground && ll->containsCaret &&
+ vsDraw.caretLineAlpha != SC_ALPHA_NOALPHA) {
+ if (vsDraw.caretLineFrame) {
+ DrawCaretLineFramed(surface, vsDraw, ll, rcLine, subLine);
+ } else {
+ SimpleAlphaRectangle(surface, rcLine, vsDraw.caretLineBackground, vsDraw.caretLineAlpha);
+ }
}
const int marksOfLine = model.pdoc->GetMark(line);
int marksDrawnInText = marksOfLine & vsDraw.maskDrawInText;
@@ -1842,7 +1892,7 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
if ((ll->wrapIndent != 0) && (subLine > 0)) {
if (phase & drawBack) {
- DrawWrapIndentAndMarker(surface, vsDraw, ll, xStart, rcLine, background, customDrawWrapMarker);
+ DrawWrapIndentAndMarker(surface, vsDraw, ll, xStart, rcLine, background, customDrawWrapMarker, model.caret.active);
}
xStart += static_cast<int>(ll->wrapIndent);
}
@@ -1855,6 +1905,8 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
phase = static_cast<DrawPhase>(phase & ~drawBack); // Remove drawBack to not draw again in DrawFoldDisplayText
DrawEOL(surface, model, vsDraw, ll, rcLine, line, lineRange.end,
xStart, subLine, subLineStart, background);
+ if (vsDraw.IsLineFrameOpaque(model.caret.active, ll->containsCaret))
+ DrawCaretLineFramed(surface, vsDraw, ll, rcLine, subLine);
}
if (phase & drawIndicatorsBack) {
@@ -1882,6 +1934,8 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
if (phasesDraw == phasesOne) {
DrawEOL(surface, model, vsDraw, ll, rcLine, line, lineRange.end,
xStart, subLine, subLineStart, background);
+ if (vsDraw.IsLineFrameOpaque(model.caret.active, ll->containsCaret))
+ DrawCaretLineFramed(surface, vsDraw, ll, rcLine, subLine);
DrawEdgeLine(surface, vsDraw, ll, rcLine, lineRange, xStart);
DrawMarkUnderline(surface, model, vsDraw, line, rcLine);
}
@@ -1891,7 +1945,7 @@ void EditView::DrawLine(Surface *surface, const EditModel &model, const ViewStyl
}
if (phase & drawLineTranslucent) {
- DrawTranslucentLineState(surface, model, vsDraw, ll, line, rcLine);
+ DrawTranslucentLineState(surface, model, vsDraw, ll, line, rcLine, subLine);
}
}
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 61511cd2a..3a4b3c744 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -7067,6 +7067,12 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
InvalidateStyleRedraw();
break;
+ case SCI_GETCARETLINEFRAME:
+ return vs.caretLineFrame;
+ case SCI_SETCARETLINEFRAME:
+ vs.caretLineFrame = static_cast<int>(wParam);
+ InvalidateStyleRedraw();
+ break;
case SCI_GETCARETLINEBACK:
return vs.caretLineBackground.AsLong();
case SCI_SETCARETLINEBACK:
diff --git a/src/ViewStyle.cxx b/src/ViewStyle.cxx
index db3ad607b..64f9eee7b 100644
--- a/src/ViewStyle.cxx
+++ b/src/ViewStyle.cxx
@@ -136,6 +136,7 @@ ViewStyle::ViewStyle(const ViewStyle &source) {
selbarlight = source.selbarlight;
caretcolour = source.caretcolour;
additionalCaretColour = source.additionalCaretColour;
+ caretLineFrame = source.caretLineFrame;
showCaretLineBackground = source.showCaretLineBackground;
alwaysShowCaretLineBackground = source.alwaysShowCaretLineBackground;
caretLineBackground = source.caretLineBackground;
@@ -264,6 +265,7 @@ void ViewStyle::Init(size_t stylesSize_) {
styles[STYLE_LINENUMBER].back = Platform::Chrome();
caretcolour = ColourDesired(0, 0, 0);
additionalCaretColour = ColourDesired(0x7f, 0x7f, 0x7f);
+ caretLineFrame = 0;
showCaretLineBackground = false;
alwaysShowCaretLineBackground = false;
caretLineBackground = ColourDesired(0xff, 0xff, 0);
@@ -479,6 +481,15 @@ void ViewStyle::CalcLargestMarkerHeight() {
}
}
+int ViewStyle::GetFrameWidth() const {
+ return Platform::Clamp(caretLineFrame, 1, lineHeight / 3);
+}
+
+bool ViewStyle::IsLineFrameOpaque(bool caretActive, bool lineContainsCaret) const {
+ return caretLineFrame && (caretActive || alwaysShowCaretLineBackground) && showCaretLineBackground &&
+ (caretLineAlpha == SC_ALPHA_NOALPHA) && lineContainsCaret;
+}
+
// See if something overrides the line background color: Either if caret is on the line
// and background color is set for that, or if a marker is defined that forces its background
// color onto the line, or if a marker is defined but has no selection margin in which to
@@ -487,7 +498,8 @@ void ViewStyle::CalcLargestMarkerHeight() {
// the color for the highest numbered one is used.
ColourOptional ViewStyle::Background(int marksOfLine, bool caretActive, bool lineContainsCaret) const {
ColourOptional background;
- if ((caretActive || alwaysShowCaretLineBackground) && showCaretLineBackground && (caretLineAlpha == SC_ALPHA_NOALPHA) && lineContainsCaret) {
+ if (!caretLineFrame && (caretActive || alwaysShowCaretLineBackground) && showCaretLineBackground &&
+ (caretLineAlpha == SC_ALPHA_NOALPHA) && lineContainsCaret) {
background = ColourOptional(caretLineBackground, true);
}
if (!background.isSet && marksOfLine) {
diff --git a/src/ViewStyle.h b/src/ViewStyle.h
index 1a876f85e..db415344b 100644
--- a/src/ViewStyle.h
+++ b/src/ViewStyle.h
@@ -141,6 +141,7 @@ public:
bool viewEOL;
ColourDesired caretcolour;
ColourDesired additionalCaretColour;
+ int caretLineFrame;
bool showCaretLineBackground;
bool alwaysShowCaretLineBackground;
ColourDesired caretLineBackground;
@@ -190,6 +191,8 @@ public:
int MarginFromLocation(Point pt) const;
bool ValidStyle(size_t styleIndex) const;
void CalcLargestMarkerHeight();
+ int GetFrameWidth() const;
+ bool IsLineFrameOpaque(bool caretActive, bool lineContainsCaret) const;
ColourOptional Background(int marksOfLine, bool caretActive, bool lineContainsCaret) const;
bool SelectionBackgroundDrawn() const;
bool WhitespaceBackgroundDrawn() const;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 10:27:15 +0000