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Dynamic element text item new feature

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Add feature keep visual rotation.
When parent is rotated, the text rotation is changed to keep the same
visual rotation.
This commit is contained in:
Claveau Joshua
2020-11-20 20:52:19 +01:00
parent f7e12e5e87
commit 8fec6dabef
6 changed files with 90 additions and 6 deletions
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48
sources/qetgraphicsitem/dynamicelementtextitem.cpp
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@@ -44,6 +44,7 @@ DynamicElementTextItem::DynamicElementTextItem(Element *parent_element) :
setParentItem(parent_element);
QSettings settings;
setRotation(settings.value("dynamic_text_rotation", 0).toInt());
setKeepVisualRotation(true);
setTextWidth(settings.value("dynamic_text_widht", -1).toInt());
connect(this, &DynamicElementTextItem::textEdited, [this](const QString &old_str, const QString &new_str)
{
@@ -95,6 +96,7 @@ QDomElement DynamicElementTextItem::toXml(QDomDocument &dom_doc) const
root_element.setAttribute("frame", m_frame? "true" : "false");
root_element.setAttribute("text_width", QString::number(m_text_width));
root_element.setAttribute("font", font().toString());
root_element.setAttribute("keep_visual_rotation", m_keep_visual_rotation ? "true" : "false");
QMetaEnum me = textFromMetaEnum();
root_element.setAttribute("text_from", me.valueToKey(m_text_from));
@@ -159,6 +161,7 @@ void DynamicElementTextItem::fromXml(const QDomElement &dom_elmt)
}
QGraphicsTextItem::setRotation(dom_elmt.attribute("rotation", QString::number(0)).toDouble());
setKeepVisualRotation(dom_elmt.attribute("keep_visual_rotation", "true") == "true"? true : false);
if (dom_elmt.hasAttribute("font"))
{
@@ -1248,6 +1251,32 @@ void DynamicElementTextItem::zoomToLinkedElement()
}
}
/**
* @brief DynamicElementTextItem::parentElementRotationChanged
* Called when the parent element is rotated
*/
void DynamicElementTextItem::parentElementRotationChanged()
{
if (m_parent_element && m_keep_visual_rotation)
{
//We temporally disconnect for not change m_visual_rotation value.
//We don't use block signal, because rotationChanged signal is used in other place.
disconnect(this, &DynamicElementTextItem::rotationChanged, this, &DynamicElementTextItem::thisRotationChanged);
this->setRotation(QET::correctAngle(m_visual_rotation_ref - m_parent_element->rotation(), true));
connect(this, &DynamicElementTextItem::rotationChanged, this, &DynamicElementTextItem::thisRotationChanged);
}
}
/**
* @brief DynamicElementTextItem::thisRotationChanged
* This function is called when user change the rotation of the text
* and "keep visual rotation" is to true
* to keep in memory the visual rotation wanted by the user.
*/
void DynamicElementTextItem::thisRotationChanged() {
m_visual_rotation_ref = this->rotation() + m_parent_element->rotation();
}
/**
@brief DynamicElementTextItem::updateXref
Create or delete the Xref according to the current properties of the project
@@ -1422,3 +1451,22 @@ void DynamicElementTextItem::setXref_item(Qt::AlignmentFlag m_exHrefPos)
return;
}
void DynamicElementTextItem::setKeepVisualRotation(bool set)
{
m_keep_visual_rotation = set;
emit keepVisualRotationChanged(set);
if (set) {
m_visual_rotation_ref = this->rotation() + m_parent_element->rotation();
connect(m_parent_element, &Element::rotationChanged, this, &DynamicElementTextItem::parentElementRotationChanged);
connect(this, &DynamicElementTextItem::rotationChanged, this, &DynamicElementTextItem::thisRotationChanged);
}
else {
disconnect(m_parent_element, &Element::rotationChanged, this, &DynamicElementTextItem::parentElementRotationChanged);
disconnect(this, &DynamicElementTextItem::rotationChanged, this, &DynamicElementTextItem::thisRotationChanged);
}
}
bool DynamicElementTextItem::keepVisualRotation() const {
return m_keep_visual_rotation;
}