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- Fixed a nasty regression which made the control unusable

Browse Source 
- Fixed the "caret looks like a point" bug
- More work on the Styling code


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8638 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2004-08-25 06:49:43 +00:00
parent b9c2cb3cd1
commit 2a346d67a6
3 changed files with 161 additions and 132 deletions
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src/kits/interface/BTextView/TextView.cpp
+57 -40
View File
@@ -1610,6 +1610,8 @@ BTextView::SetFontAndColor(int32 startOffset, int32 endOffset,
const rgb_color *inColor)
{
CALLED();
printf("SetFontAndColor(%ld, %ld, %p, mode: 0x%x, %p)\n",
startOffset, endOffset, inFont, inMode, inColor);
// hide the caret/unhilite the selection
if (fActive) {
if (startOffset != endOffset)
@@ -1660,12 +1662,9 @@ BTextView::GetFontAndColor(BFont *outFont, uint32 *outMode,
rgb_color *outColor, bool *outEqColor) const
{
CALLED();
// TODO fill in outMode and outEqColor
fStyles->GetStyle(fSelStart, outFont, outColor);
// TODO: This is a hack to make beshare work.
// We should use _BStyleBuffer_::ContinuousGetStyle() here.
*outMode = doSize;
fStyles->ContinuousGetStyle(outFont, outMode, outColor, outEqColor,
fSelStart, fSelEnd);
}
@@ -1781,43 +1780,57 @@ BTextView::PointAt(int32 inOffset, float *outHeight) const
BPoint result;
int32 textLength = fText->Length();
int32 lineNum = LineAt(inOffset);
// TODO: This looks broken. line + 1 could go outside the line buffer
STELinePtr line = (*fLines)[lineNum];
float height = (line + 1)->origin - line->origin;
float height = 0;
result.x = 0.0;
result.y = line->origin + fTextRect.top;
// special case: go down one line if inOffset is a newline
if (inOffset == textLength && (*fText)[textLength - 1] == '\n') {
float ascent, descent;
StyledWidth(inOffset, 1, &ascent, &descent);
// Handle the case where there is only one line
// (no text inserted)
// TODO: See if we can do this better
if (fStyles->NumRuns() == 0) {
const rgb_color *color = NULL;
const BFont *font = NULL;
fStyles->GetNullStyle(&font, &color);
result.y += height;
height = ascent + descent;
} else {
int32 offset = line->offset;
int32 length = inOffset - line->offset;
int32 numChars = length;
bool foundTab = false;
do {
foundTab = fText->FindChar(B_TAB, offset, &numChars);
font_height fontHeight;
font->GetHeight(&fontHeight);
height = fontHeight.ascent + fontHeight.descent;
result.x += StyledWidth(offset, numChars);
} else {
height = (line + 1)->origin - line->origin;
if (foundTab) {
result.x += ActualTabWidth(result.x);
numChars++;
}
// special case: go down one line if inOffset is a newline
if (inOffset == textLength && (*fText)[textLength - 1] == '\n') {
float ascent, descent;
StyledWidth(inOffset, 1, &ascent, &descent);
offset += numChars;
length -= numChars;
numChars = length;
} while (foundTab && length > 0);
}
result.y += height;
height = ascent + descent;
} else {
int32 offset = line->offset;
int32 length = inOffset - line->offset;
int32 numChars = length;
bool foundTab = false;
do {
foundTab = fText->FindChar(B_TAB, offset, &numChars);
result.x += StyledWidth(offset, numChars);
if (foundTab) {
result.x += ActualTabWidth(result.x);
numChars++;
}
offset += numChars;
length -= numChars;
numChars = length;
} while (foundTab && length > 0);
}
}
// convert from text rect coordinates
result.x += fTextRect.left - 1.0;
@@ -1888,7 +1901,7 @@ BTextView::OffsetAt(BPoint point) const
foundTab = fText->FindChar(B_TAB, offset, &numChars);
delta = numChars / 2;
delta = min_c(delta, 1);
delta = max_c(delta, 1);
if (numChars > 1) {
do {
@@ -1908,7 +1921,7 @@ BTextView::OffsetAt(BPoint point) const
// still too far to the left, measure some more
offset += delta;
delta /= 2;
delta = min_c(delta, 1);
delta = max_c(delta, 1);
}
} else {
// oops, we overshot the point, go back some
@@ -3038,13 +3051,17 @@ BTextView::HandlePageKey(uint32 inPageKey)
case B_PAGE_UP:
case B_PAGE_DOWN:
// TODO: Fix this
{
if (ScrollBar(B_VERTICAL) != NULL) {
float delta = Bounds().Height();
delta = (inPageKey == B_PAGE_UP) ? -delta : delta;
int32 currentOffset = OffsetAt(fClickOffset);
float delta = Bounds().Height();
delta = (inPageKey == B_PAGE_UP) ? -delta : delta;
if (ScrollBar(B_VERTICAL) != NULL)
ScrollBar(B_VERTICAL)->SetValue(ScrollBar(B_VERTICAL)->Value() + delta);
}
// TODO: Selection
GoToLine(LineAt(PointAt(currentOffset + delta)));
break;
}
}