QSize
CQGroupBox::
minimumSizeHint() const
{
QFontMetrics fm(titleFont_);
int baseWidth = fm.width(title_) + 4;
int baseHeight = fm.height();
if (isCheckable())
baseWidth += fm.height() + 4;
if (isCollapsible())
baseWidth += fm.height();
QSize size;
if (! isCollapsed()) {
QStyleOptionGroupBox option;
size = style()->sizeFromContents(QStyle::CT_GroupBox, &option,
QSize(baseWidth, baseHeight), this);
}
else {
size = QSize(baseWidth, baseHeight);
}
return size.expandedTo(QWidget::minimumSizeHint());
}
void
CQGroupBox::
mouseReleaseEvent(QMouseEvent *e)
{
if (isCheckable()) {
bool inside = checkRect_.contains(e->pos()) || titleRect_.contains(e->pos());
if (inside) {
setChecked(! isChecked());
checkPress_ = false;
emit clicked(isChecked());
update();
}
}
if (isCollapsible()) {
bool inside = collapseRect_.contains(e->pos());
if (inside) {
setCollapsed(! isCollapsed());
collapsePress_ = false;
update();
}
}
QWidget::mouseReleaseEvent(e);
}
void
CQGroupBox::
mousePressEvent(QMouseEvent *e)
{
if (isCheckable()) {
bool inside = checkRect_.contains(e->pos()) || titleRect_.contains(e->pos());
if (inside) {
checkPress_ = true;
update();
return;
}
}
if (isCollapsible()) {
bool inside = collapseRect_.contains(e->pos());
if (inside) {
collapsePress_ = true;
update();
return;
}
}
QWidget::mousePressEvent(e);
}
void
CQGroupBox::
mouseMoveEvent(QMouseEvent *e)
{
if (isCheckable()) {
bool inside = checkRect_.contains(e->pos()) || titleRect_.contains(e->pos());
bool oldCheckPress = checkPress_;
if (! checkPress_ && inside)
checkPress_ = true;
else if ( checkPress_ && ! inside)
checkPress_ = false;
if (checkPress_ != oldCheckPress)
update();
}
if (isCollapsible()) {
bool inside = collapseRect_.contains(e->pos());
bool oldCollapsePress = collapsePress_;
if (! collapsePress_ && inside)
collapsePress_ = true;
else if ( collapsePress_ && ! inside)
collapsePress_ = false;
if (collapsePress_ != oldCollapsePress)
update();
}
QWidget::mouseMoveEvent(e);
}
void WPanel::expand()
{
if (isCollapsible()) {
collapseIcon_->showIcon1();
doExpand();
}
}
void WPanel::collapse()
{
if (isCollapsible()) {
collapseIcon_->showIcon2();
doCollapse();
}
}
void
CQGroupBox::
setCollapsed(bool collapsed)
{
if (collapsed != collapsed_) {
collapsed_ = collapsed;
if (isCollapsible()) {
updateCollapsed();
emit collapse(isCollapsed());
update();
}
}
}
void
CQGroupBox::
paintEvent(QPaintEvent *)
{
QPainter p(this);
p.setRenderHints(QPainter::Antialiasing);
p.fillRect(rect(), QBrush(palette().color(QPalette::Background)));
QFontMetrics fm(titleFont_);
// set check size
int checkSize = (isCheckable() ? fm.height() + 4 : 0);
// set collapse size
int collapseSize = (isCollapsible() ? fm.ascent() : 0);
// set text position
int textX = 0;
int tw = (title_ != "" ? fm.width(title_) : 0);
if (titleAlignment_ & Qt::AlignRight)
textX = width() - dx_ - tw - collapseSize;
else if (titleAlignment_ & Qt::AlignHCenter)
textX = (width() - tw - checkSize - collapseSize)/2 + checkSize;
else if (titleAlignment_ & Qt::AlignLeft)
textX = dx_ + checkSize;
int textY = 0;
if (titleAlignment_ & Qt::AlignBottom)
textY = spaceTop() - fm.descent() - 2;
else if (titleAlignment_ & Qt::AlignTop)
textY = fm.ascent() + 2;
else if (titleAlignment_ & Qt::AlignVCenter)
textY = spaceTop()/2 + fm.descent() + 2;
// set check position
int checkX = textX - checkSize;
int checkY = textY - fm.ascent()/2;
// set collapse position
int collapseX = width() - collapseSize;
int collapseY = textY - fm.ascent()/2;
// draw top line
if (hasLineTop()) {
int lineY;
if (lineTopAlignment_ & Qt::AlignTop)
lineY = 2;
else if (lineTopAlignment_ & Qt::AlignVCenter)
lineY = spaceTop()/2;
else
lineY = spaceTop() - 2;
p.setPen(lineColor_);
p.drawLine(dx_, lineY, width() - 2*dx_, lineY);
}
// draw title
if (title_ != "") {
p.setFont(titleFont_);
int tw1 = width() - checkSize - collapseSize - 4*dx_;
int tw2 = std::min(tw, tw1);
titleRect_ = QRect(textX - dx_, textY - fm.ascent() + fm.descent(), tw2 + dx_, fm.height());
p.fillRect(titleRect_, QBrush(palette().color(QPalette::Background)));
if (isEnabled())
p.setPen(palette().color(QPalette::Active, QPalette::WindowText));
else
p.setPen(palette().color(QPalette::Disabled, QPalette::WindowText));
p.drawText(textX, textY, title_);
}
// draw bottom line
if (lineBottom_) {
int lineY;
if (lineTopAlignment_ & Qt::AlignTop)
lineY = height() - spaceBottom() + 2;
else if (lineTopAlignment_ & Qt::AlignVCenter)
lineY = height() - spaceBottom()/2;
else
lineY = height() - 2;
p.setPen(lineColor_);
p.drawLine(dx_, lineY, width() - 2*dx_, lineY);
}
//------
// draw check (if checkable)
if (isCheckable()) {
int checkX1 = checkX + 2;
int checkSize1 = checkSize - 4;
int checkY1 = checkY - checkSize1/2;
checkRect_ = QRect(checkX1, checkY1, checkSize1, checkSize1);
p.fillRect(QRect(checkX1 - 2, checkY1 - 2, checkSize1 + 4, checkSize1 + 4),
QBrush(palette().color(QPalette::Background)));
QStylePainter p(this);
QStyleOptionButton opt;
opt.initFrom(this);
opt.rect = checkRect_;
opt.state |= (isChecked() ? QStyle::State_On : QStyle::State_Off);
if (checkPress_)
opt.state |= QStyle::State_Sunken;
#if 0
if (testAttribute(Qt::WA_Hover) && underMouse()) {
if (d->hovering)
opt.state |= QStyle::State_MouseOver;
else
opt.state &= ~QStyle::State_MouseOver;
}
opt.text = d->text;
opt.icon = d->icon;
opt.iconSize = iconSize();
#endif
p.drawControl(QStyle::CE_CheckBox, opt);
}
//------
// draw collpase state (if collapsible)
if (isCollapsible()) {
double collapseSize1 = collapseSize - 4;
double collapseX1 = collapseX + 2;
double collapseY1 = collapseY - collapseSize1/2;
double collapseX2 = collapseX1 + collapseSize1;
double collapseY2 = collapseY1 + collapseSize1;
collapseRect_ = QRect(collapseX1, collapseY1, collapseSize1, collapseSize1);
p.fillRect(QRect(collapseX1 - 2, collapseY1 - 2, collapseSize1 + 4, collapseSize1 + 4),
QBrush(palette().color(QPalette::Background)));
double collapseXM = (collapseX1 + collapseX2)/2;
double collapseYM = (collapseY1 + collapseY2)/2;
p.setPen(Qt::NoPen);
if (collapsePress_)
p.setBrush(palette().color(QPalette::Active, QPalette::Dark));
else
p.setBrush(palette().color(QPalette::Active, QPalette::Text));
if (! isCollapsed()) {
drawArcShape(&p, collapseXM, collapseYM, collapseSize1/2, 90, 3);
}
else {
drawArcShape(&p, collapseXM, collapseYM, collapseSize1/2, -90, 3);
}
}
}
