// Scintilla source code edit control /** @file CallTip.cxx ** Code for displaying call tips. **/ // Copyright 1998-2001 by Neil Hodgson // The License.txt file describes the conditions under which this software may be distributed. #include #include #include #include #include "Platform.h" #include "Scintilla.h" #include "CallTip.h" #ifdef SCI_NAMESPACE using namespace Scintilla; #endif CallTip::CallTip() { wCallTip = 0; inCallTipMode = false; posStartCallTip = 0; rectUp = PRectangle(0,0,0,0); rectDown = PRectangle(0,0,0,0); lineHeight = 1; offsetMain = 0; startHighlight = 0; endHighlight = 0; tabSize = 0; above = false; useStyleCallTip = false; // for backwards compatibility insetX = 5; widthArrow = 14; borderHeight = 2; // Extra line for border and an empty line at top and bottom. verticalOffset = 1; #ifdef __APPLE__ // proper apple colours for the default colourBG = ColourDesired(0xff, 0xff, 0xc6); colourUnSel = ColourDesired(0, 0, 0); #else colourBG = ColourDesired(0xff, 0xff, 0xff); colourUnSel = ColourDesired(0x80, 0x80, 0x80); #endif colourSel = ColourDesired(0, 0, 0x80); colourShade = ColourDesired(0, 0, 0); colourLight = ColourDesired(0xc0, 0xc0, 0xc0); codePage = 0; clickPlace = 0; } CallTip::~CallTip() { font.Release(); wCallTip.Destroy(); } // Although this test includes 0, we should never see a \0 character. static bool IsArrowCharacter(char ch) { return (ch == 0) || (ch == '\001') || (ch == '\002'); } // We ignore tabs unless a tab width has been set. bool CallTip::IsTabCharacter(char ch) const { return (tabSize > 0) && (ch == '\t'); } int CallTip::NextTabPos(int x) const { if (tabSize > 0) { // paranoia... not called unless this is true x -= insetX; // position relative to text x = (x + tabSize) / tabSize; // tab "number" return tabSize*x + insetX; // position of next tab } else { return x + 1; // arbitrary } } // Draw a section of the call tip that does not include \n in one colour. // The text may include up to numEnds tabs or arrow characters. void CallTip::DrawChunk(Surface *surface, int &x, const char *s, int posStart, int posEnd, int ytext, PRectangle rcClient, bool highlight, bool draw) { s += posStart; int len = posEnd - posStart; // Divide the text into sections that are all text, or that are // single arrows or single tab characters (if tabSize > 0). int maxEnd = 0; const int numEnds = 10; int ends[numEnds + 2]; for (int i=0; i 0) ends[maxEnd++] = i; ends[maxEnd++] = i+1; } } ends[maxEnd++] = len; int startSeg = 0; int xEnd; for (int seg = 0; seg startSeg) { if (IsArrowCharacter(s[startSeg])) { bool upArrow = s[startSeg] == '\001'; rcClient.left = x; rcClient.right = rcClient.left + widthArrow; if (draw) { const int halfWidth = widthArrow / 2 - 3; const int centreX = rcClient.left + widthArrow / 2 - 1; const int centreY = (rcClient.top + rcClient.bottom) / 2; surface->FillRectangle(rcClient, colourBG); PRectangle rcClientInner(rcClient.left + 1, rcClient.top + 1, rcClient.right - 2, rcClient.bottom - 1); surface->FillRectangle(rcClientInner, colourUnSel); if (upArrow) { // Up arrow Point pts[] = { Point(centreX - halfWidth, centreY + halfWidth / 2), Point(centreX + halfWidth, centreY + halfWidth / 2), Point(centreX, centreY - halfWidth + halfWidth / 2), }; surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]), colourBG, colourBG); } else { // Down arrow Point pts[] = { Point(centreX - halfWidth, centreY - halfWidth / 2), Point(centreX + halfWidth, centreY - halfWidth / 2), Point(centreX, centreY + halfWidth - halfWidth / 2), }; surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]), colourBG, colourBG); } } xEnd = rcClient.right; offsetMain = xEnd; if (upArrow) { rectUp = rcClient; } else { rectDown = rcClient; } } else if (IsTabCharacter(s[startSeg])) { xEnd = NextTabPos(x); } else { xEnd = x + surface->WidthText(font, s + startSeg, endSeg - startSeg); if (draw) { rcClient.left = x; rcClient.right = xEnd; surface->DrawTextTransparent(rcClient, font, ytext, s+startSeg, endSeg - startSeg, highlight ? colourSel : colourUnSel); } } x = xEnd; startSeg = endSeg; } } } int CallTip::PaintContents(Surface *surfaceWindow, bool draw) { PRectangle rcClientPos = wCallTip.GetClientPosition(); PRectangle rcClientSize(0, 0, rcClientPos.right - rcClientPos.left, rcClientPos.bottom - rcClientPos.top); PRectangle rcClient(1, 1, rcClientSize.right - 1, rcClientSize.bottom - 1); // To make a nice small call tip window, it is only sized to fit most normal characters without accents int ascent = surfaceWindow->Ascent(font) - surfaceWindow->InternalLeading(font); // For each line... // Draw the definition in three parts: before highlight, highlighted, after highlight int ytext = rcClient.top + ascent + 1; rcClient.bottom = ytext + surfaceWindow->Descent(font) + 1; const char *chunkVal = val.c_str(); bool moreChunks = true; int maxWidth = 0; while (moreChunks) { const char *chunkEnd = strchr(chunkVal, '\n'); if (chunkEnd == NULL) { chunkEnd = chunkVal + strlen(chunkVal); moreChunks = false; } int chunkOffset = chunkVal - val.c_str(); int chunkLength = chunkEnd - chunkVal; int chunkEndOffset = chunkOffset + chunkLength; int thisStartHighlight = Platform::Maximum(startHighlight, chunkOffset); thisStartHighlight = Platform::Minimum(thisStartHighlight, chunkEndOffset); thisStartHighlight -= chunkOffset; int thisEndHighlight = Platform::Maximum(endHighlight, chunkOffset); thisEndHighlight = Platform::Minimum(thisEndHighlight, chunkEndOffset); thisEndHighlight -= chunkOffset; rcClient.top = ytext - ascent - 1; int x = insetX; // start each line at this inset DrawChunk(surfaceWindow, x, chunkVal, 0, thisStartHighlight, ytext, rcClient, false, draw); DrawChunk(surfaceWindow, x, chunkVal, thisStartHighlight, thisEndHighlight, ytext, rcClient, true, draw); DrawChunk(surfaceWindow, x, chunkVal, thisEndHighlight, chunkLength, ytext, rcClient, false, draw); chunkVal = chunkEnd + 1; ytext += lineHeight; rcClient.bottom += lineHeight; maxWidth = Platform::Maximum(maxWidth, x); } return maxWidth; } void CallTip::PaintCT(Surface *surfaceWindow) { if (val.empty()) return; PRectangle rcClientPos = wCallTip.GetClientPosition(); PRectangle rcClientSize(0, 0, rcClientPos.right - rcClientPos.left, rcClientPos.bottom - rcClientPos.top); PRectangle rcClient(1, 1, rcClientSize.right - 1, rcClientSize.bottom - 1); surfaceWindow->FillRectangle(rcClient, colourBG); offsetMain = insetX; // initial alignment assuming no arrows PaintContents(surfaceWindow, true); #ifndef __APPLE__ // OSX doesn't put borders on "help tags" // Draw a raised border around the edges of the window surfaceWindow->MoveTo(0, rcClientSize.bottom - 1); surfaceWindow->PenColour(colourShade); surfaceWindow->LineTo(rcClientSize.right - 1, rcClientSize.bottom - 1); surfaceWindow->LineTo(rcClientSize.right - 1, 0); surfaceWindow->PenColour(colourLight); surfaceWindow->LineTo(0, 0); surfaceWindow->LineTo(0, rcClientSize.bottom - 1); #endif } void CallTip::MouseClick(Point pt) { clickPlace = 0; if (rectUp.Contains(pt)) clickPlace = 1; if (rectDown.Contains(pt)) clickPlace = 2; } PRectangle CallTip::CallTipStart(int pos, Point pt, int textHeight, const char *defn, const char *faceName, int size, int codePage_, int characterSet, int technologyHTTP/1.1 200 OK Connection: keep-alive Connection: keep-alive Connection: keep-alive Content-Disposition: inline; filename="CallTip.cxx" Content-Disposition: inline; filename="CallTip.cxx" Content-Disposition: inline; filename="CallTip.cxx" Content-Length: 10874 Content-Length: 10874 Content-Length: 10874 Content-Security-Policy: default-src 'none' Content-Security-Policy: default-src 'none' Content-Security-Policy: default-src 'none' Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8 Date: Mon, 20 Oct 2025 13:05:14 UTC ETag: "c12a6e8ebe09aceacaeea8d4e13a30e72031c2ef" ETag: "c12a6e8ebe09aceacaeea8d4e13a30e72031c2ef" ETag: "c12a6e8ebe09aceacaeea8d4e13a30e72031c2ef" Expires: Thu, 18 Oct 2035 13:05:14 GMT Expires: Thu, 18 Oct 2035 13:05:14 GMT Expires: Thu, 18 Oct 2035 13:05:15 GMT Last-Modified: Mon, 20 Oct 2025 13:05:14 GMT Last-Modified: Mon, 20 Oct 2025 13:05:14 GMT Last-Modified: Mon, 20 Oct 2025 13:05:15 GMT Server: OpenBSD httpd Server: OpenBSD httpd Server: OpenBSD httpd X-Content-Type-Options: nosniff X-Content-Type-Options: nosniff X-Content-Type-Options: nosniff // Scintilla source code edit control /** @file CallTip.cxx ** Code for displaying call tips. **/ // Copyright 1998-2001 by Neil Hodgson // The License.txt file describes the conditions under which this software may be distributed. #include #include #include #include #include "Platform.h" #include "Scintilla.h" #include "CallTip.h" #ifdef SCI_NAMESPACE using namespace Scintilla; #endif CallTip::CallTip() { wCallTip = 0; inCallTipMode = false; posStartCallTip = 0; rectUp = PRectangle(0,0,0,0); rectDown = PRectangle(0,0,0,0); lineHeight = 1; offsetMain = 0; startHighlight = 0; endHighlight = 0; tabSize = 0; above = false; useStyleCallTip = false; // for backwards compatibility insetX = 5; widthArrow = 14; borderHeight = 2; // Extra line for border and an empty line at top and bottom. verticalOffset = 1; #ifdef __APPLE__ // proper apple colours for the default colourBG = ColourDesired(0xff, 0xff, 0xc6); colourUnSel = ColourDesired(0, 0, 0); #else colourBG = ColourDesired(0xff, 0xff, 0xff); colourUnSel = ColourDesired(0x80, 0x80, 0x80); #endif colourSel = ColourDesired(0, 0, 0x80); colourShade = ColourDesired(0, 0, 0); colourLight = ColourDesired(0xc0, 0xc0, 0xc0); codePage = 0; clickPlace = 0; } CallTip::~CallTip() { font.Release(); wCallTip.Destroy(); } // Although this test includes 0, we should never see a \0 character. static bool IsArrowCharacter(char ch) { ret