101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
#include <QtGui>
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#include "pictextitem.h"
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#include "picscene.h"
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#include "moveinput.h"
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extern MoveInput* moveInput;
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PicTextItem::PicTextItem(QGraphicsItem *parent, QGraphicsScene *scene) :
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QGraphicsTextItem(parent)//edit@02-07
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{
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setFlag(QGraphicsItem::ItemIsMovable);
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setFlag(QGraphicsItem::ItemIsSelectable);
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setFlag(QGraphicsItem::ItemIsFocusable);
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QFont font;
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font.setFamily("wenquanyi");
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font.setPixelSize(12);
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document()->setDefaultStyleSheet("p { margin: 0; }");
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document()->setDocumentMargin(0);
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SpecialConditions = false;
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CatchCnt1CurrValue = -1;
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CatchCnt1StartValue = -1;
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// 插入的变量贴底部，防止错位,修复打开文件时变量图片的垂直对齐
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document()->setDefaultStyleSheet("img { vertical-align: bottom; }");
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}
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//! [1]
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QVariant PicTextItem::itemChange(GraphicsItemChange change,
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const QVariant &value)
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{
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if (change == ItemSceneChange && scene()) {
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QPointF newPos = value.toPoint();
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QRectF rect = scene()->sceneRect();
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if (!rect.contains(newPos)) {
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newPos.setX(qMin(rect.right(), qMax(newPos.x(), rect.left())));
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newPos.setY(qMin(rect.bottom(), qMax(newPos.y(), rect.top())));
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}
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}
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return QGraphicsItem::itemChange(change, value);
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}
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//! [1]
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//! [2]
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void PicTextItem::focusOutEvent(QFocusEvent *event)
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{
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moveInput->hide();
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emit lostFocus(this);
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QGraphicsTextItem::focusOutEvent(event);
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//
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}
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//! [2]
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//! [5]
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void PicTextItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
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{
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//if (textInteractionFlags() == Qt::NoTextInteraction)
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// setTextInteractionFlags(Qt::TextEditorInteraction);
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//setTextInteractionFlags(Qt::TextBrowserInteraction);
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QGraphicsTextItem::mouseDoubleClickEvent(event);
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//emit itemEdit(toHtml());
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}
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//! [5]
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//限制图元拖动范围
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void PicTextItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )
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{
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//edit@12-07
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QPointF newPos = this->pos();
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this->setPos(qCeil(newPos.x()),qCeil(newPos.y()));
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if(scene())
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scene()->update();
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QGraphicsTextItem::mouseReleaseEvent(event);
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}
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void PicTextItem::keyPressEvent(QKeyEvent *event)
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{
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foreach (QGraphicsItem *item, scene()->selectedItems()) {
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if(event->key() == Qt::Key_Left)
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{
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item->moveBy(-1, 0);
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}
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else if(event->key() == Qt::Key_Right)
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{
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item->moveBy(1, 0);
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}
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else if(event->key() == Qt::Key_Up)
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{
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item->moveBy(0, -1);
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}
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else if(event->key() == Qt::Key_Down)
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{
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item->moveBy(0, 1);
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}
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}
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if(!scene()->selectedItems().empty())
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{
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scene()->update();
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}
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QGraphicsTextItem::keyPressEvent(event);
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}
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