/** Clear any styles applied to the selected text. */
public void clearSelectionStyle() {
if (!hasSelection()) return;
TextLayoutHitInfo startSelTLHI;
TextLayoutHitInfo endSelTLHI;
if (endTLHI.compareTo(startTLHI) == -1) {
startSelTLHI = endTLHI;
endSelTLHI = startTLHI;
} else {
startSelTLHI = startTLHI;
endSelTLHI = endTLHI;
}
int ss = startSelTLHI.tli.startCharIndex + startSelTLHI.thi.getInsertionIndex();
int ee = endSelTLHI.tli.startCharIndex + endSelTLHI.thi.getInsertionIndex();
stext.clearAttributes(ss, ee);
// We have modified the text style so the end of the selection may have
// moved, so it needs to be recalculated. The start will be unaffected.
stext.getLines(buffer.g2);
endSelTLHI.tli = stext.getTLIforCharNo(ee);
int cn = ee - endSelTLHI.tli.startCharIndex;
if (cn == 0) // start of line
endSelTLHI.thi = endSelTLHI.tli.layout.getNextLeftHit(1);
else endSelTLHI.thi = endSelTLHI.tli.layout.getNextRightHit(cn - 1);
bufferInvalid = true;
}
/**
* Load the styled string to be used by this control. <br>
* It will also restore any text selection saved with the text.
*
* @param fname the name of the file to use
* @return true if loaded successfully else false
*/
public boolean loadText(String fname) {
StyledString ss = StyledString.load(winApp, fname);
if (ss == null) return false;
setStyledText(ss);
// Now restore any text selection
if (stext.startIdx >= 0) { // we have a selection
// Selection starts at ...
startTLHI = new TextLayoutHitInfo();
startTLHI.tli = stext.getTLIforCharNo(stext.startIdx);
int pInLayout = stext.startIdx - startTLHI.tli.startCharIndex;
if (pInLayout == 0) startTLHI.thi = startTLHI.tli.layout.getNextLeftHit(1);
else startTLHI.thi = startTLHI.tli.layout.getNextRightHit(pInLayout - 1);
// Selection ends at ...
endTLHI = new TextLayoutHitInfo();
endTLHI.tli = stext.getTLIforCharNo(stext.endIdx);
pInLayout = stext.endIdx - endTLHI.tli.startCharIndex;
if (pInLayout == 0) endTLHI.thi = endTLHI.tli.layout.getNextLeftHit(1);
else endTLHI.thi = endTLHI.tli.layout.getNextRightHit(pInLayout - 1);
calculateCaretPos(endTLHI);
}
bufferInvalid = true;
return true;
}