* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
+#include <cassert>
-#include <assert.h>
-
-#include <QtGui>
#include <QApplication>
#include <QDesktopWidget>
#include <QLineEdit>
+#include <QScrollBar>
+#include <QStyle>
+#include <QtGui>
-#include "popup.h"
+#include "popup.hpp"
using std::max;
using std::min;
const unsigned int Popup::ArrowOverlap = 3;
const unsigned int Popup::MarginWidth = 6;
+
+QWidthAdjustingScrollArea::QWidthAdjustingScrollArea(QWidget* parent) :
+ QScrollArea(parent)
+{
+}
+
+void QWidthAdjustingScrollArea::setWidget(QWidget* w)
+{
+ QScrollArea::setWidget(w);
+ // It happens that QScrollArea already filters widget events,
+ // but that's an implementation detail that we shouldn't rely on.
+ w->installEventFilter(this);
+}
+
+bool QWidthAdjustingScrollArea::eventFilter(QObject* obj, QEvent* ev)
+{
+ if (obj == widget() && ev->type() == QEvent::Resize) {
+ if (widget()->height() > height())
+ setMinimumWidth(widget()->width() + qApp->style()->pixelMetric(QStyle::PM_ScrollBarExtent));
+ else
+ setMinimumWidth(widget()->width());
+ }
+
+ return QScrollArea::eventFilter(obj, ev);
+}
+
+
Popup::Popup(QWidget *parent) :
QWidget(parent, Qt::Popup | Qt::FramelessWindowHint),
point_(),
MarginWidth + ((pos == Bottom) ? ArrowLength : 0),
MarginWidth + ((pos == Left) ? ArrowLength : 0),
MarginWidth + ((pos == Top) ? ArrowLength : 0));
-
}
-bool Popup::eventFilter(QObject *obj, QEvent *evt)
+bool Popup::eventFilter(QObject *obj, QEvent *event)
{
QKeyEvent *keyEvent;
(void)obj;
- if (evt->type() == QEvent::KeyPress) {
- keyEvent = static_cast<QKeyEvent*>(evt);
+ if (event->type() == QEvent::KeyPress) {
+ keyEvent = static_cast<QKeyEvent*>(event);
if (keyEvent->key() == Qt::Key_Enter ||
keyEvent->key() == Qt::Key_Return) {
close();
case Bottom:
if (point_.y() > y())
return false;
- return true;
+ return true;
case Left:
if (point_.x() < (x() + width()))
QPolygon poly;
const QPoint p = mapFromGlobal(point_);
- const int l = ArrowLength + ArrowOverlap;
+ const int l = ArrowLength + ArrowOverlap;
- switch (pos_)
- {
+ switch (pos_) {
case Right:
poly << QPoint(p.x() + l, p.y() - l);
break;
poly << QPoint(p.x() - l, p.y() + l);
break;
- case Left:
+ case Left:
case Top:
poly << QPoint(p.x() - l, p.y() - l);
break;
poly << p;
- switch (pos_)
- {
+ switch (pos_) {
case Right:
case Bottom:
poly << QPoint(p.x() + l, p.y() + l);
break;
- case Left:
+ case Left:
poly << QPoint(p.x() - l, p.y() + l);
break;
-
+
case Top:
poly << QPoint(p.x() + l, p.y() - l);
break;
if (pos_ == Left)
o.rx() = -width();
- else if(pos_ == Top)
+ else if (pos_ == Top)
o.ry() = -height();
o += point_;
setMask(popup_region());
}
-void Popup::mouseReleaseEvent(QMouseEvent *e)
+void Popup::mouseReleaseEvent(QMouseEvent *event)
{
- assert(e);
+ assert(event);
// We need our own out-of-bounds click handler because QWidget counts
// the drop-shadow region as inside the widget
- if(!bubble_rect().contains(e->pos()))
+ if (!bubble_rect().contains(event->pos()))
close();
}
} // namespace widgets
} // namespace pv
-