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NotificationBox/NotificationArea: Restrict rendering area to main frame

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========================================================================

The NotificationBox is extended to take the QRect in global coordinates. Then
it will try to dimension the label within this area. If a fixed width is provided, that
is enforced (take precedence).

The NotificationArea passes the QRect of the main window to the NotificationBox.

This is intended to fix:
https://github.com/FreeCAD/FreeCAD/issues/8940
This commit is contained in:
Abdullah Tahiri
2023-03-19 18:48:18 +01:00
committed by Uwe
parent 431fafc533
commit 37eeccf705
3 changed files with 52 additions and 20 deletions
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48
src/Gui/NotificationBox.cpp
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@@ -73,6 +73,8 @@ public:
bool notificationLabelChanged(const QString& text);
/// Place the notification at the given position
void placeNotificationLabel(const QPoint& pos);
/// Set the windowrect defining an area to which the label should be constrained
void setTipRect(const QRect &restrictionarea);
/// The instance
static qobject_delete_later_unique_ptr<NotificationLabel> instance;
@@ -91,6 +93,8 @@ private:
int minShowTime;
QTimer hideTimer;
QTimer expireTimer;
QRect restrictionArea;
};
qobject_delete_later_unique_ptr<NotificationLabel> NotificationLabel::instance = nullptr;
@@ -263,25 +267,36 @@ void NotificationLabel::placeNotificationLabel(const QPoint& pos)
p += offset;
QRect screenRect = screen->geometry();
QRect actinglimit = screen->geometry();
if (p.x() + this->width() > screenRect.x() + screenRect.width())
p.rx() -= 4 + this->width();
if (p.y() + this->height() > screenRect.y() + screenRect.height())
p.ry() -= 24 + this->height();
if (p.y() < screenRect.y())
p.setY(screenRect.y());
if (p.x() + this->width() > screenRect.x() + screenRect.width())
p.setX(screenRect.x() + screenRect.width() - this->width());
if (p.x() < screenRect.x())
p.setX(screenRect.x());
if (p.y() + this->height() > screenRect.y() + screenRect.height())
p.setY(screenRect.y() + screenRect.height() - this->height());
if(!restrictionArea.isNull())
actinglimit = restrictionArea;
const int standard_x_padding = 4;
const int standard_y_padding = 24;
if (p.x() + this->width() > actinglimit.x() + actinglimit.width())
p.rx() -= standard_x_padding + this->width();
if (p.y() + standard_y_padding + this->height() > actinglimit.y() + actinglimit.height())
p.ry() -= standard_y_padding + this->height();
if (p.y() < actinglimit.y())
p.setY(actinglimit.y());
if (p.x() + this->width() > actinglimit.x() + actinglimit.width())
p.setX(actinglimit.x() + actinglimit.width() - this->width());
if (p.x() < actinglimit.x())
p.setX(actinglimit.x());
if (p.y() + this->height() > actinglimit.y() + actinglimit.height())
p.setY(actinglimit.y() + actinglimit.height() - this->height());
}
this->move(p);
}
void NotificationLabel::setTipRect(const QRect &restrictionarea)
{
restrictionArea = restrictionarea;
}
bool NotificationLabel::notificationLabelChanged(const QString& text)
{
return NotificationLabel::instance->text() != text;
@@ -290,7 +305,7 @@ bool NotificationLabel::notificationLabelChanged(const QString& text)
/***************************** NotificationBox **********************************/
void NotificationBox::showText(const QPoint& pos, const QString& text, int displayTime,
unsigned int minShowTime, int width)
unsigned int minShowTime, const QRect &restrictionarea, int width)
{
// a label does already exist
if (NotificationLabel::instance && NotificationLabel::instance->isVisible()) {
@@ -301,6 +316,7 @@ void NotificationBox::showText(const QPoint& pos, const QString& text, int displ
else {
// If the label has changed, reuse the one that is showing (removes flickering)
if (NotificationLabel::instance->notificationLabelChanged(text)) {
NotificationLabel::instance->setTipRect(restrictionarea);
NotificationLabel::instance->reuseNotification(text, displayTime, pos, width);
NotificationLabel::instance->placeNotificationLabel(pos);
}
@@ -310,12 +326,16 @@ void NotificationBox::showText(const QPoint& pos, const QString& text, int displ
// no label can be reused, create new label:
if (!text.isEmpty()) {
// Note: The Label takes no parent, as on windows, we can't use the widget as parent
// otherwise the window will be raised when the tooltip will be shown. We do not use
// it on Linux either for consistency.
new NotificationLabel(text,
pos,
displayTime,
minShowTime,
width);// sets NotificationLabel::instance to itself
NotificationLabel::instance->setTipRect(restrictionarea);
NotificationLabel::instance->placeNotificationLabel(pos);
NotificationLabel::instance->setObjectName(QLatin1String("NotificationBox_label"));