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-rw-r--r--src/Editor.cxx97
1 files changed, 59 insertions, 38 deletions
diff --git a/src/Editor.cxx b/src/Editor.cxx
index e852723b2..6c5ba7330 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -40,6 +40,7 @@ Editor::Editor() {
printMagnification = 0;
printColourMode = SC_PRINT_NORMAL;
cursorMode = SC_CURSORNORMAL;
+ controlCharSymbol = 0; /* Draw the control characters */
hasFocus = false;
hideSelection = false;
@@ -87,7 +88,7 @@ Editor::Editor() {
pixmapSelPattern = Surface::Allocate();
pixmapIndentGuide = Surface::Allocate();
pixmapIndentGuideHighlight = Surface::Allocate();
-
+
currentPos = 0;
anchor = 0;
@@ -284,7 +285,7 @@ int Editor::PositionFromLocation(Point pt) {
surface->Init();
surface->SetUnicodeMode(SC_CP_UTF8 == pdoc->dbcsCodePage);
unsigned int posLineStart = pdoc->LineStart(line);
-
+
LineLayout ll;
LayoutLine(line, surface, vs, ll);
for (int i = 0; i < ll.numCharsInLine; i++) {
@@ -324,7 +325,7 @@ int Editor::PositionFromLocationClose(Point pt) {
surface->Init();
surface->SetUnicodeMode(SC_CP_UTF8 == pdoc->dbcsCodePage);
unsigned int posLineStart = pdoc->LineStart(line);
-
+
LineLayout ll;
LayoutLine(line, surface, vs, ll);
for (int i = 0; i < ll.numCharsInLine; i++) {
@@ -350,7 +351,7 @@ int Editor::PositionFromLineX(int line, int x) {
surface->Init();
surface->SetUnicodeMode(SC_CP_UTF8 == pdoc->dbcsCodePage);
unsigned int posLineStart = pdoc->LineStart(line);
-
+
LineLayout ll;
LayoutLine(line, surface, vs, ll);
for (int i = 0; i < ll.numCharsInLine; i++) {
@@ -360,7 +361,7 @@ int Editor::PositionFromLineX(int line, int x) {
return i + posLineStart;
}
}
-
+
delete surface;
return ll.numCharsInLine + posLineStart;
}
@@ -648,7 +649,7 @@ void Editor::EnsureCaretVisible(bool useMargin, bool vert, bool horiz) {
// If we scroll the display, we use a minimum amount of xMargin.
int offsetLeft = rcClient.left + xMargin;
int offsetRight = rcClient.right - xMargin;
- // If we are in XJUMPS mode, then when the margin is reached, the
+ // If we are in XJUMPS mode, then when the margin is reached, the
// offset jumps so that it won't need to move agin for a while.
if (!(caretPolicy & CARET_XJUMPS)) {
rcClient.left = offsetLeft;
@@ -779,10 +780,10 @@ void Editor::PaintSelMargin(Surface *surfWindow, PRectangle &rc) {
int line = cs.DocFromDisplay(visibleLine);
int yposScreen = 0;
- // Work out whether the top line is whitespace located after a
+ // Work out whether the top line is whitespace located after a
// lessening of fold level which implies a 'fold tail' but which should not
// be displayed until the last of a sequence of whitespace.
- bool needWhiteClosure = false;
+ bool needWhiteClosure = false;
int level = pdoc->GetLevel(line);
if (level & SC_FOLDLEVELWHITEFLAG) {
int lineBack = line;
@@ -796,13 +797,13 @@ void Editor::PaintSelMargin(Surface *surfWindow, PRectangle &rc) {
needWhiteClosure = true;
}
}
-
+
// Old code does not know about new markers needed to distinguish all cases
- int folderOpenMid = SubstituteMarkerIfEmpty(SC_MARKNUM_FOLDEROPENMID,
+ int folderOpenMid = SubstituteMarkerIfEmpty(SC_MARKNUM_FOLDEROPENMID,
SC_MARKNUM_FOLDEROPEN);
- int folderEnd = SubstituteMarkerIfEmpty(SC_MARKNUM_FOLDEREND,
+ int folderEnd = SubstituteMarkerIfEmpty(SC_MARKNUM_FOLDEREND,
SC_MARKNUM_FOLDER);
-
+
while ((visibleLine < cs.LinesDisplayed()) && yposScreen < rcMargin.bottom) {
// Decide which fold indicator should be displayed
@@ -815,7 +816,7 @@ void Editor::PaintSelMargin(Surface *surfWindow, PRectangle &rc) {
if (cs.GetExpanded(line)) {
if (levelNum == SC_FOLDLEVELBASE)
marks |= 1 << SC_MARKNUM_FOLDEROPEN;
- else
+ else
marks |= 1 << folderOpenMid;
} else {
if (levelNum == SC_FOLDLEVELBASE)
@@ -977,10 +978,14 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
if (ll.chars[charInLine] == '\t') {
ll.positions[charInLine + 1] = ((((startsegx + 2) /
tabWidth) + 1) * tabWidth) - startsegx;
- } else {
+ } else if (controlCharSymbol < 32) {
const char *ctrlChar = ControlCharacterString(ll.chars[charInLine]);
// +3 For a blank on front and rounded edge each side:
ll.positions[charInLine + 1] = surface->WidthText(ctrlCharsFont, ctrlChar, strlen(ctrlChar)) + 3;
+ } else {
+ char cc[2] = { controlCharSymbol, '\0' };
+ surface->MeasureWidths(ctrlCharsFont, cc, 1,
+ ll.positions + startseg + 1);
}
lastSegItalics = false;
} else { // Regular character
@@ -1129,24 +1134,32 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
} else if (IsControlCharacter(ll.chars[i])) {
// Manage control character display
inIndentation = false;
- const char *ctrlChar = ControlCharacterString(ll.chars[i]);
- surface->FillRectangle(rcSegment, textBack);
- int normalCharHeight = surface->Ascent(ctrlCharsFont) -
- surface->InternalLeading(ctrlCharsFont);
- PRectangle rcCChar = rcSegment;
- rcCChar.left = rcCChar.left + 1;
- rcCChar.top = rcSegment.top + vsDraw.maxAscent - normalCharHeight;
- rcCChar.bottom = rcSegment.top + vsDraw.maxAscent + 1;
- PRectangle rcCentral = rcCChar;
- rcCentral.top++;
- rcCentral.bottom--;
- surface->FillRectangle(rcCentral, textFore);
- PRectangle rcChar = rcCChar;
- rcChar.left++;
- rcChar.right--;
- surface->DrawTextClipped(rcChar, ctrlCharsFont,
- rcSegment.top + vsDraw.maxAscent, ctrlChar, strlen(ctrlChar),
- textBack, textFore);
+ if (controlCharSymbol < 32) {
+ // Draw the character
+ const char *ctrlChar = ControlCharacterString(ll.chars[i]);
+ surface->FillRectangle(rcSegment, textBack);
+ int normalCharHeight = surface->Ascent(ctrlCharsFont) -
+ surface->InternalLeading(ctrlCharsFont);
+ PRectangle rcCChar = rcSegment;
+ rcCChar.left = rcCChar.left + 1;
+ rcCChar.top = rcSegment.top + vsDraw.maxAscent - normalCharHeight;
+ rcCChar.bottom = rcSegment.top + vsDraw.maxAscent + 1;
+ PRectangle rcCentral = rcCChar;
+ rcCentral.top++;
+ rcCentral.bottom--;
+ surface->FillRectangle(rcCentral, textFore);
+ PRectangle rcChar = rcCChar;
+ rcChar.left++;
+ rcChar.right--;
+ surface->DrawTextClipped(rcChar, ctrlCharsFont,
+ rcSegment.top + vsDraw.maxAscent, ctrlChar, strlen(ctrlChar),
+ textBack, textFore);
+ } else {
+ char cc[2] = { controlCharSymbol, '\0' };
+ surface->DrawTextNoClip(rcSegment, ctrlCharsFont,
+ rcSegment.top + vsDraw.maxAscent,
+ cc, 1, textBack, textFore);
+ }
} else {
// Manage normal display
surface->DrawTextNoClip(rcSegment, textFont,
@@ -1736,8 +1749,8 @@ void Editor::AddCharUTF(char *s, unsigned int len) {
int byte = static_cast<unsigned char>(s[0]);
if ((byte < 0xC0) || (1 == len)) {
- // Handles UTF-8 characters between 0x01 and 0x7F and single byte
- // characters when not in UTF-8 mode.
+ // Handles UTF-8 characters between 0x01 and 0x7F and single byte
+ // characters when not in UTF-8 mode.
// Also treats \0 and naked trail bytes 0x80 to 0xBF as valid
// characters representing themselves.
} else {
@@ -3277,7 +3290,7 @@ void Editor::Tick() {
InvalidateCaret();
}
}
- if ((dwellDelay < SC_TIME_FOREVER) &&
+ if ((dwellDelay < SC_TIME_FOREVER) &&
(ticksToDwell > 0) &&
(!HaveMouseCapture())) {
ticksToDwell -= timer.tickSize;
@@ -4110,16 +4123,16 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
dwellDelay = wParam;
ticksToDwell = dwellDelay;
break;
-
+
case SCI_GETMOUSEDWELLTIME:
return dwellDelay;
-
+
case SCI_WORDSTARTPOSITION:
return pdoc->ExtendWordSelect(wParam, -1);
case SCI_WORDENDPOSITION:
return pdoc->ExtendWordSelect(wParam, 1);
-
+
case SCI_GETCOLUMN:
return pdoc->GetColumn(wParam);
@@ -4710,6 +4723,14 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
case SCI_GETCURSOR:
return cursorMode;
+ case SCI_SETCONTROLCHARSYMBOL:
+ controlCharSymbol = wParam;
+ break;
+
+ case SCI_GETCONTROLCHARSYMBOL:
+ return controlCharSymbol;
+ break;
+
case SCI_STARTRECORD:
recordingMacro = true;
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 21:18:22 +0000