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Use LineHeight() instead of StyledWidthUTF8Safe() to get the height of

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the line in PointAt(), since the former didn't return the correct 
result, due to the fact that there were 0 charachters on that line. 
Fixed a bug in TextHeight() which ended up doubling the 
height of the line if we requested the last line.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20745 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2007-04-18 09:33:32 +00:00
parent 2e2e58a452
commit a1c0361478
1 changed files with 5 additions and 13 deletions
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src/kits/interface/TextView.cpp
+5 -13
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@@ -1636,7 +1636,7 @@ BTextView::PointAt(int32 inOffset, float *outHeight) const
// TODO: Cleanup.
BPoint result;
int32 textLength = fText->Length();
const int32 textLength = fText->Length();
int32 lineNum = LineAt(inOffset);
STELine* line = (*fLines)[lineNum];
float height = 0;
@@ -1662,11 +1662,8 @@ BTextView::PointAt(int32 inOffset, float *outHeight) const
// special case: go down one line if inOffset is a newline
if (inOffset == textLength && (*fText)[inOffset - 1] == B_ENTER) {
float ascent, descent;
StyledWidthUTF8Safe(inOffset, 1, &ascent, &descent);
result.y += height;
height = ascent + descent;
height = LineHeight(CountLines() - 1);
} else {
int32 offset = line->offset;
@@ -1894,7 +1891,7 @@ BTextView::TextHeight(int32 startLine, int32 endLine) const
float height = (*fLines)[endLine + 1]->origin - (*fLines)[startLine]->origin;
if (endLine == numLines - 1 && (*fText)[fText->Length() - 1] == B_ENTER)
if (startLine != endLine && endLine == numLines - 1 && (*fText)[fText->Length() - 1] == B_ENTER)
height += (*fLines)[endLine + 1]->origin - (*fLines)[endLine]->origin;
return ceilf(height);
@@ -3363,18 +3360,13 @@ BTextView::FindLineBreak(int32 fromOffset, float *outAscent, float *outDescent,
bool foundNewline = done;
done = true;
int32 pos = delta - 1;
if ((*fText)[offset + pos] != B_SPACE &&
(*fText)[offset + pos] != B_TAB &&
(*fText)[offset + pos] != B_ENTER)
if (!CanEndLine(offset + pos))
break;
strWidth -= (deltaWidth + tabWidth);
for ( ; ((offset + pos) > offset); pos--) {
uchar theChar = (*fText)[offset + pos];
if (theChar != B_SPACE &&
theChar != B_TAB &&
theChar != B_ENTER)
if (!CanEndLine(offset + pos))
break;
}