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Element editor : Element primitive decorator doesn't manage anymore the text field when a single text is selected

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5000 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2017-08-01 19:37:04 +00:00
parent b9013a8914
commit 86cb13f74d
11 changed files with 126 additions and 542 deletions
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197
sources/editor/graphicspart/parttext.cpp
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@@ -26,20 +26,17 @@
Constructeur
@param editor L'editeur d'element concerne
@param parent Le QGraphicsItem parent de ce texte statique
@param scene La scene sur laquelle figure ce texte statique
*/
PartText::PartText(QETElementEditor *editor, QGraphicsItem *parent, ElementScene *scene) :
PartText::PartText(QETElementEditor *editor, QGraphicsItem *parent) :
QGraphicsTextItem(parent),
CustomElementPart(editor),
previous_text(),
decorator_(0)
previous_text()
{
Q_UNUSED(scene)
document() -> setDocumentMargin(1.0);
setDefaultTextColor(Qt::black);
setFont(QETApp::diagramTextsFont());
real_font_size_ = font().pointSize();
setFlags(QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemSendsGeometryChanges);
setFlags(QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemSendsGeometryChanges | QGraphicsItem::ItemIsMovable);
setAcceptHoverEvents(true);
setDefaultTextColor(Qt::black);
setPlainText(QObject::tr("T", "default text when adding a text in the element editor"));
@@ -231,150 +228,37 @@ void PartText::handleUserTransformation(const QRectF &initial_selection_rect, co
setProperty("real_size", qMax(1, qRound(new_font_size)));
}
/**
Dessine le texte statique.
@param painter QPainter a utiliser pour effectuer le rendu
@param qsogi Pptions de dessin
@param widget Widget sur lequel on dessine (facultatif)
*/
void PartText::paint(QPainter *painter, const QStyleOptionGraphicsItem *qsogi, QWidget *widget) {
// According to the source code of QGraphicsTextItem::paint(), this should
// avoid the drawing of the dashed rectangle around the text.
QStyleOptionGraphicsItem our_qsogi(*qsogi);
our_qsogi.state = QStyle::State_None;
QGraphicsTextItem::paint(painter, &our_qsogi, widget);
#ifdef QET_DEBUG_EDITOR_TEXTS
painter -> setPen(Qt::blue);
painter -> drawRect(boundingRect());
painter -> setPen(Qt::red);
drawPoint(painter, QPointF(0, 0));
painter -> setPen(Qt::green);
drawPoint(painter, mapFromScene(pos()));
#endif
void PartText::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if((event->buttons() & Qt::LeftButton) && (flags() & QGraphicsItem::ItemIsMovable))
{
QPointF pos = event->scenePos() + (m_origine_pos - event->buttonDownScenePos(Qt::LeftButton));
event->modifiers() == Qt::ControlModifier ? setPos(pos) : setPos(elementScene()->snapToGrid(pos));
}
else
QGraphicsObject::mouseMoveEvent(event);
}
/**
Handle context menu events.
@param event Object describing the context menu event to handle.
*/
void PartText::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
Q_UNUSED(event);
void PartText::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if(event->button() == Qt::LeftButton)
m_origine_pos = this->pos();
QGraphicsObject::mousePressEvent(event);
}
/**
Handle events generated when the mouse hovers over the decorator.
@param event Object describing the hover event.
*/
void PartText::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
// force the cursor when the text is being edited
if (hasFocus() && decorator_) {
decorator_ -> setCursor(Qt::IBeamCursor);
}
QGraphicsTextItem::hoverMoveEvent(event);
}
void PartText::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if((event->button() & Qt::LeftButton) && (flags() & QGraphicsItem::ItemIsMovable) && m_origine_pos != pos())
{
QPropertyUndoCommand *undo = new QPropertyUndoCommand(this, "pos", QVariant(m_origine_pos), QVariant(pos()));
undo->setText(tr("Déplacer un texte"));
undo->enableAnimation();
elementScene()->undoStack().push(undo);
}
/**
@reimp CustomElementPart::setDecorator(ElementPrimitiveDecorator *)
Install or remove a sceneEventFilter on the decorator and ensure it will
adjust itself while the text is being edited.
*/
void PartText::setDecorator(ElementPrimitiveDecorator *decorator) {
if (decorator) {
decorator -> installSceneEventFilter(this);
// ensure the decorator will adjust itself when the text area expands or shrinks
connect(document(), SIGNAL(contentsChanged()), decorator, SLOT(adjust()));
}
else {
decorator_ -> removeSceneEventFilter(this);
endEdition();
}
decorator_ = decorator;
}
/**
@reimp QGraphicsItem::sceneEventFilter(QGraphicsItem *, QEvent *).
Intercepts events before they reach the watched target, i.e. typically the
primitives decorator.
This method mainly works with key strokes (F2, escape) and double clicks to
begin or end text edition.
*/
bool PartText::sceneEventFilter(QGraphicsItem *watched, QEvent *event) {
if (watched != decorator_) return(false);
QPointF event_scene_pos = QET::graphicsSceneEventPos(event);
if (!event_scene_pos.isNull()) {
if (contains(mapFromScene(event_scene_pos))) {
if (hasFocus()) {
return sceneEvent(event); // manually deliver the event to this item
return(true); // prevent this event from being delivered to any item
} else {
if (event -> type() == QEvent::GraphicsSceneMouseDoubleClick) {
mouseDoubleClickEvent(static_cast<QGraphicsSceneMouseEvent *>(event));
}
}
}
}
else if (event -> type() == QEvent::KeyRelease || event -> type() == QEvent::KeyPress) {
// Intercept F2 and escape keystrokes to focus in and out
QKeyEvent *key_event = static_cast<QKeyEvent *>(event);
if (!hasFocus() && key_event -> key() == Qt::Key_F2) {
setEditable(true);
QTextCursor qtc = textCursor();
qtc.setPosition(qMax(0, document()->characterCount() - 1));
setTextCursor(qtc);
} else if (hasFocus() && key_event -> key() == Qt::Key_Escape) {
endEdition();
}
if (hasFocus()) {
sceneEvent(event); // manually deliver the event to this item
return(true); // prevent this event from being delivered to any item
}
}
return(false);
}
/**
Accept the mouse \a event relayed by \a decorator if this text item has focus.
*/
bool PartText::singleItemPressEvent(ElementPrimitiveDecorator *decorator, QGraphicsSceneMouseEvent *event) {
Q_UNUSED(decorator)
Q_UNUSED(event)
return(hasFocus());
}
/**
Accept the mouse \a event relayed by \a decorator if this text item has focus.
*/
bool PartText::singleItemMoveEvent(ElementPrimitiveDecorator *decorator, QGraphicsSceneMouseEvent *event) {
Q_UNUSED(decorator)
Q_UNUSED(event)
return(hasFocus());
}
/**
Accept the mouse \a event relayed by \a decorator if this text item has focus.
*/
bool PartText::singleItemReleaseEvent(ElementPrimitiveDecorator *decorator, QGraphicsSceneMouseEvent *event) {
Q_UNUSED(decorator)
Q_UNUSED(event)
return(hasFocus());
}
/**
Accept the mouse \a event relayed by \a decorator if this text item has focus.
*/
bool PartText::singleItemDoubleClickEvent(ElementPrimitiveDecorator *decorator, QGraphicsSceneMouseEvent *event) {
Q_UNUSED(decorator)
// calling mouseDoubleClickEvent() will set this text item editable and grab keyboard focus
if (event -> button() == Qt::LeftButton) {
mouseDoubleClickEvent(event);
return(true);
}
return(false);
QGraphicsObject::mouseReleaseEvent(event);
}
/**
@@ -442,27 +326,4 @@ void PartText::endEdition()
setTextCursor(qtc);
setEditable(false);
if (decorator_) {
decorator_ -> setFocus();
}
}
#ifdef QET_DEBUG_EDITOR_TEXTS
/**
Dessine deux petites fleches pour mettre un point en valeur
@param painter QPainter a utiliser pour effectuer le rendu
@param point Point a dessiner
*/
void PartText::drawPoint(QPainter *painter, const QPointF &point) {
qreal px = point.x();
qreal py = point.y();
qreal size_1 = 5.0;
qreal size_2 = 1.0;
painter -> drawLine(QLineF(px, py, px + size_1, py));
painter -> drawLine(QLineF(px + size_1 - size_2, py - size_2, px + size_1, py));
painter -> drawLine(QLineF(px + size_1 - size_2, py + size_2, px + size_1, py));
painter -> drawLine(QLineF(px, py, px, py + size_1));
painter -> drawLine(QLineF(px, py + size_1, px - size_2, py + size_1 - size_2));
painter -> drawLine(QLineF(px, py + size_1, px + size_2, py + size_1 - size_2));
}
#endif