bool Buffer::find(const QString& findText, int flags, bool forward,
bool wrap, bool *searchWrapped) {
if (findText.isEmpty()) {
return false;
}
if (searchWrapped) {
*searchWrapped = false;
}
// Perform the search
setSearchFlags(flags);
setTargetStart(forward ? currentPos() : currentPos() - 1);
setTargetEnd(forward ? length() : 0);
QByteArray findArray = findText.toUtf8();
int findPos = searchInTarget(findArray.length(), findArray);
// If the search should wrap, perform the search again.
if (findPos == -1 && wrap) {
setTargetStart(forward ? 0 : length());
setTargetEnd(forward ? currentPos() : currentPos() - 1);
findPos = searchInTarget(findArray.length(), findArray);
if (searchWrapped) {
*searchWrapped = true;
}
}
if (findPos != -1) {
setSel(targetStart(), targetEnd());
scrollRange(targetStart(), targetEnd());
}
return findPos != -1;
}
void Listbox::SafeScrollPosition() {
if (scrollPosition > 0)
scrollPosition = 0;
float scrollMax = scrollRange();
if (scrollPosition < -scrollMax)
scrollPosition = -scrollMax;
}
Rect Listbox::calcScrollBarRect() {
Rect s = Rect(0,0,scrollButtonWidth,scrollButtonWidth*2);
s.X = position.Width-scrollButtonWidth-3;
//The scroll position is between 0 and scrollRange() so the
//scroll bar must be between 0 and its range
s.Y = 3+scrollButtonWidth+scrollBarRange()*-scrollPosition/scrollRange();
return s;
}
void Listbox::drawScrollBar(GL2DProgram * shaders) {
vec4 drawColor;
Rect scrollBarLoc = calcScrollBarRect();
//Is the user dragging the bar?
if ((lastScrollUpdate != 0) && (lastScrollPos.x >= 0)) {
//The bar is being dragged now
drawColor = highlightColor;
//Determine the new scrollPosition scrollPosition =
float scrollBarMovement = (lastScrollPos.y-lastMousePos.y)/scrollBarRange();
scrollPosition += scrollBarMovement*scrollRange();
lastScrollPos.y = lastMousePos.y;
//Limit scroll position
SafeScrollPosition();
//Since the scroll position moved, recalculate the bars position
scrollBarLoc = calcScrollBarRect();
}
else if (scrollBarLoc.InRect(lastMousePos)) {
if (lastScrollUpdate != 0) {
//Just started dragging
drawColor = highlightColor;
lastScrollPos = lastMousePos;
}
else
drawColor = (highlightColor+barColor)/2.0;
}
else
drawColor = barColor;
//Finally draw the bar
shaders->Model.PushMatrix();
shaders->Model.Translate(scrollBarLoc.X,scrollBarLoc.Y,0);
scrollPosShape.color = drawColor;
scrollPosShape.OverrideCalculatedSize(scrollBarLoc);
scrollPosShape.Draw(shaders);
shaders->Model.PopMatrix();
}
