void
_BStyleBuffer_::RemoveStyleRange(int32 fromOffset, int32 toOffset)
{
int32 fromIndex = fStyleRunDesc.OffsetToRun(fromOffset);
int32 toIndex = fStyleRunDesc.OffsetToRun(toOffset) - 1;
int32 count = toIndex - fromIndex;
if (count > 0) {
RemoveStyles(fromIndex + 1, count);
toIndex = fromIndex;
}
fStyleRunDesc.BumpOffset(fromOffset - toOffset, fromIndex + 1);
if ((toIndex == fromIndex) && (toIndex < (fStyleRunDesc.ItemCount() - 1))) {
STEStyleRunDescPtr runDesc = fStyleRunDesc[toIndex + 1];
runDesc->offset = fromOffset;
}
if (fromIndex < (fStyleRunDesc.ItemCount() - 1)) {
STEStyleRunDescPtr runDesc = fStyleRunDesc[fromIndex];
if (runDesc->offset == (runDesc + 1)->offset) {
RemoveStyles(fromIndex);
fromIndex--;
}
}
if ((fromIndex >= 0) && (fromIndex < (fStyleRunDesc.ItemCount() - 1))) {
STEStyleRunDescPtr runDesc = fStyleRunDesc[fromIndex];
if (runDesc->index == (runDesc + 1)->index)
RemoveStyles(fromIndex + 1);
}
}
void
BTextView::StyleBuffer::RemoveStyleRange(int32 fromOffset, int32 toOffset)
{
int32 fromIndex = fStyleRunDesc.OffsetToRun(fromOffset);
int32 toIndex = fStyleRunDesc.OffsetToRun(toOffset) - 1;
int32 count = toIndex - fromIndex;
if (count > 0) {
RemoveStyles(fromIndex + 1, count);
toIndex = fromIndex;
}
fStyleRunDesc.BumpOffset(fromOffset - toOffset, fromIndex + 1);
if (toIndex == fromIndex && toIndex < fStyleRunDesc.ItemCount() - 1) {
STEStyleRunDesc* runDesc = fStyleRunDesc[toIndex + 1];
runDesc->offset = fromOffset;
}
if (fromIndex < fStyleRunDesc.ItemCount() - 1) {
STEStyleRunDesc* runDesc = fStyleRunDesc[fromIndex];
if (runDesc->offset == (runDesc + 1)->offset) {
RemoveStyles(fromIndex);
fromIndex--;
}
}
if (fromIndex >= 0 && fromIndex < fStyleRunDesc.ItemCount() - 1) {
STEStyleRunDesc* runDesc = fStyleRunDesc[fromIndex];
if (runDesc->index == (runDesc + 1)->index)
RemoveStyles(fromIndex + 1);
}
}
void
_BStyleBuffer_::SetStyleRange(int32 fromOffset, int32 toOffset,
int32 textLen, uint32 inMode,
const BFont *inFont, const rgb_color *inColor)
{
if (inFont == NULL)
inFont = &fNullStyle.font;
if (inColor == NULL)
inColor = &fNullStyle.color;
if (fromOffset == toOffset) {
SetNullStyle(inMode, inFont, inColor, fromOffset);
return;
}
if (fStyleRunDesc.ItemCount() < 1) {
STEStyleRunDesc newDesc;
newDesc.offset = fromOffset;
newDesc.index = fStyleRecord.InsertRecord(inFont, inColor);
fStyleRunDesc.InsertDesc(&newDesc, 0);
fStyleRecord.CommitRecord(newDesc.index);
return;
}
int32 styleIndex = 0;
int32 offset = fromOffset;
int32 runIndex = OffsetToRun(offset);
do {
STEStyleRunDesc runDesc = *fStyleRunDesc[runIndex];
int32 runEnd = textLen;
if (runIndex < (fStyleRunDesc.ItemCount() - 1))
runEnd = fStyleRunDesc[runIndex + 1]->offset;
STEStyle style = fStyleRecord[runDesc.index]->style;
SetStyle(inMode, inFont, &style.font, inColor, &style.color);
styleIndex = fStyleRecord.InsertRecord(&style.font, &style.color);
if ( (runDesc.offset == offset) && (runIndex > 0) &&
(fStyleRunDesc[runIndex - 1]->index == styleIndex) ) {
RemoveStyles(runIndex);
runIndex--;
}
if (styleIndex != runDesc.index) {
if (offset > runDesc.offset) {
STEStyleRunDesc newDesc;
newDesc.offset = offset;
newDesc.index = styleIndex;
fStyleRunDesc.InsertDesc(&newDesc, runIndex + 1);
fStyleRecord.CommitRecord(newDesc.index);
runIndex++;
} else {
fStyleRunDesc[runIndex]->index = styleIndex;
fStyleRecord.CommitRecord(styleIndex);
}
if (toOffset < runEnd) {
STEStyleRunDesc newDesc;
newDesc.offset = toOffset;
newDesc.index = runDesc.index;
fStyleRunDesc.InsertDesc(&newDesc, runIndex + 1);
fStyleRecord.CommitRecord(newDesc.index);
}
}
runIndex++;
offset = runEnd;
} while (offset < toOffset);
if ( (offset == toOffset) && (runIndex < fStyleRunDesc.ItemCount()) &&
(fStyleRunDesc[runIndex]->index == styleIndex) )
RemoveStyles(runIndex);
}
