bool UINode::addFirstFocus ()
{
bool focus = false;
for (UINodeListIter i = _nodes.begin(); i != _nodes.end(); ++i) {
UINode* nodePtr = *i;
nodePtr->removeFocus();
if (focus)
continue;
focus = nodePtr->addFirstFocus();
if (focus)
addFocus(0, 0);
}
if (_nodes.empty() && isActive()) {
addFocus(0, 0);
return true;
}
return focus;
}
bool UINode::addLastFocus ()
{
bool focus = false;
for (UINodeListRevIter i = _nodes.rbegin(); i != _nodes.rend(); ++i) {
UINode* nodePtr = *i;
nodePtr->removeFocus();
if (!focus) {
focus = nodePtr->addLastFocus();
if (focus) {
addFocus(0, 0);
}
}
}
if (_nodes.empty() && isActive()) {
addFocus(0, 0);
return true;
}
return focus;
}
bool UINode::checkFocus (int32_t x, int32_t y)
{
if (x <= -1 || y <= -1 || !isVisible() || !isActive()) {
if (hasFocus())
removeFocus();
return false;
}
if (checkBounds(x, y)) {
if (_nodes.empty()) {
addFocus(x, y);
return true;
}
const int childX = x - getRenderX();
const int childY = y - getRenderY();
bool focusOnChildren = false;
for (UINodeListRevIter i = _nodes.rbegin(); i != _nodes.rend(); ++i) {
UINode* nodePtr = *i;
int focusX = childX;
int focusY = childY;
if (focusOnChildren) {
focusX = focusY = -1;
}
const bool focus = nodePtr->checkFocus(focusX, focusY);
focusOnChildren |= focus;
}
if (focusOnChildren) {
addFocus(x, y);
return true;
}
}
if (hasFocus()) {
removeFocus();
}
return false;
}
bool UINode::nextFocus ()
{
if (_nodes.empty()) {
if (!isActive())
return false;
if (hasFocus())
return false;
addFocus(0, 0);
return true;
}
for (UINodeListIter i = _nodes.begin(); i != _nodes.end(); ++i) {
UINode* nodePtr = *i;
// search the node that currently has the focus
if (!nodePtr->hasFocus())
continue;
if (nodePtr->nextFocus()) {
addFocus(0, 0);
return true;
}
nodePtr->removeFocus();
for (++i; i != _nodes.end(); ++i) {
UINode* focusNodePtr = *i;
if (focusNodePtr->addFirstFocus()) {
addFocus(0, 0);
return true;
}
}
break;
}
removeFocus();
return false;
}
void UrlBar::handleEvent(const XEvent& event)
{
switch (event.type) {
case Expose:
drawUrlBar();
break;
case ButtonRelease:
addFocus();
updateCursorPosition(event.xbutton.x);
break;
case SelectionRequest:
respondClipboardRequest(event.xselectionrequest);
break;
case SelectionNotify:
pasteClipboardText(event);
break;
}
}
