diff options
| author | nyamatongwe <unknown> | 2000-07-06 14:17:37 +0000 |
|---|---|---|
| committer | nyamatongwe <unknown> | 2000-07-06 14:17:37 +0000 |
| commit | 7a086660c2a2564ecbed98364341c36bf6194be4 (patch) | |
| tree | 529937ee1f3961bfa7bdd9200adcd1541f6974ee /src/Editor.cxx | |
| parent | 2ba517d3b3dfa5fe0d3c7a5f268c07294a1e7223 (diff) | |
| download | scintilla-mirror-7a086660c2a2564ecbed98364341c36bf6194be4.tar.gz | |
Optimisations.
Diffstat (limited to 'src/Editor.cxx')
| -rw-r--r-- | src/Editor.cxx | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/src/Editor.cxx b/src/Editor.cxx index 3cf2c179e..694d4855a 100644 --- a/src/Editor.cxx +++ b/src/Editor.cxx @@ -734,9 +734,10 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou char styleByte = 0; int styleMask = pdoc->stylingBitsMask; ll.xHighlightGuide = 0; - for (int charInDoc = posLineStart; - charInDoc < posLineEnd && numCharsInLine < LineLayout::maxLineLength - 2; - charInDoc++) { + if (posLineEnd >= (posLineStart + LineLayout::maxLineLength)) { + posLineEnd = posLineStart + LineLayout::maxLineLength - 1; + } + for (int charInDoc=posLineStart; charInDoc<posLineEnd; charInDoc++) { char chDoc = pdoc->CharAt(charInDoc); styleByte = pdoc->StyleAt(charInDoc); if (vstyle.viewEOL || ((chDoc != '\r') && (chDoc != '\n'))) { @@ -772,8 +773,14 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou ll.positions[charInLine + 1] = surface->WidthText(ctrlCharsFont, ctrlChar, strlen(ctrlChar)) + 3; } } else { - surface->MeasureWidths(vstyle.styles[ll.styles[charInLine]].font, ll.chars + startseg, - charInLine - startseg + 1, ll.positions + startseg + 1); + int lenSeg = charInLine - startseg + 1; + if ((lenSeg == 1) && (' ' == ll.chars[startseg])) { + // Over half the segments are single characters and of these about half are space characters. + ll.positions[charInLine + 1] = vstyle.styles[ll.styles[charInLine]].spaceWidth; + } else { + surface->MeasureWidths(vstyle.styles[ll.styles[charInLine]].font, ll.chars + startseg, + charInLine - startseg + 1, ll.positions + startseg + 1); + } } for (int posToIncrease = startseg; posToIncrease <= (charInLine + 1); posToIncrease++) { ll.positions[posToIncrease] += startsegx; @@ -1723,10 +1730,14 @@ void Editor::NotifyModified(Document*, DocModification mh, void *) { } } } - if (mh.modificationType & SC_MOD_BEFOREINSERT) { - NotifyNeedShown(mh.position, 0); - } else if (mh.modificationType & SC_MOD_BEFOREDELETE) { - NotifyNeedShown(mh.position, mh.length); + if (cs.LinesDisplayed() < cs.LinesInDoc()) { + // Some lines are hidden so may need shown. + // TODO: check if the modified area is hidden. + if (mh.modificationType & SC_MOD_BEFOREINSERT) { + NotifyNeedShown(mh.position, 0); + } else if (mh.modificationType & SC_MOD_BEFOREDELETE) { + NotifyNeedShown(mh.position, mh.length); + } } if (mh.linesAdded != 0) { |