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TextDocumentLayout: First/LastOffsetOnLine() forgot to convert...

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... back from paragraph local offsets to document global offsets.
This commit is contained in:
Stephan Aßmus
2014-01-22 23:18:26 +01:00
parent 937ad5c6b8
commit 000c26330b
2 changed files with 14 additions and 7 deletions
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src/apps/haiku-depot/textview/TextDocumentLayout.cpp
+12 -6
View File
@@ -169,10 +169,11 @@ TextDocumentLayout::LineIndexForOffset(int32 textOffset)
int32
TextDocumentLayout::FirstOffsetOnLine(int32 lineIndex)
{
int32 index = _ParagraphLayoutIndexForLineIndex(lineIndex);
int32 paragraphOffset;
int32 index = _ParagraphLayoutIndexForLineIndex(lineIndex, paragraphOffset);
if (index >= 0) {
const ParagraphLayoutInfo& info = fParagraphLayouts.ItemAtFast(index);
return info.layout->FirstOffsetOnLine(lineIndex);
return info.layout->FirstOffsetOnLine(lineIndex) + paragraphOffset;
}
return 0;
@@ -182,10 +183,11 @@ TextDocumentLayout::FirstOffsetOnLine(int32 lineIndex)
int32
TextDocumentLayout::LastOffsetOnLine(int32 lineIndex)
{
int32 index = _ParagraphLayoutIndexForLineIndex(lineIndex);
int32 paragraphOffset;
int32 index = _ParagraphLayoutIndexForLineIndex(lineIndex, paragraphOffset);
if (index >= 0) {
const ParagraphLayoutInfo& info = fParagraphLayouts.ItemAtFast(index);
return info.layout->LastOffsetOnLine(lineIndex);
return info.layout->LastOffsetOnLine(lineIndex) + paragraphOffset;
}
return 0;
@@ -213,7 +215,8 @@ void
TextDocumentLayout::GetLineBounds(int32 lineIndex, float& x1, float& y1,
float& x2, float& y2)
{
int32 index = _ParagraphLayoutIndexForLineIndex(lineIndex);
int32 paragraphOffset;
int32 index = _ParagraphLayoutIndexForLineIndex(lineIndex, paragraphOffset);
if (index >= 0) {
const ParagraphLayoutInfo& info = fParagraphLayouts.ItemAtFast(index);
info.layout->GetLineBounds(lineIndex, x1, y1, x2, y2);
@@ -349,10 +352,12 @@ TextDocumentLayout::_ParagraphLayoutIndexForOffset(int32& textOffset)
}
int32
TextDocumentLayout::_ParagraphLayoutIndexForLineIndex(int32& lineIndex)
TextDocumentLayout::_ParagraphLayoutIndexForLineIndex(int32& lineIndex,
int32& paragraphOffset)
{
_ValidateLayout();
paragraphOffset = 0;
int32 paragraphs = fParagraphLayouts.CountItems();
for (int32 i = 0; i < paragraphs; i++) {
const ParagraphLayoutInfo& info = fParagraphLayouts.ItemAtFast(i);
@@ -360,6 +365,7 @@ TextDocumentLayout::_ParagraphLayoutIndexForLineIndex(int32& lineIndex)
int32 lineCount = info.layout->CountLines();
if (lineIndex >= lineCount) {
lineIndex -= lineCount;
paragraphOffset += info.layout->CountGlyphs();
continue;
}
src/apps/haiku-depot/textview/TextDocumentLayout.h
+2 -1
View File
@@ -116,7 +116,8 @@ private:
int32 _ParagraphLayoutIndexForOffset(
int32& textOffset);
int32 _ParagraphLayoutIndexForLineIndex(
int32& lineIndex);
int32& lineIndex,
int32& paragraphOffset);
private:
float fWidth;