kindred/create
1
1
Fork 0
Code Issues 37 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

[TD]prevent spurious recompute on click/drag

Browse Source
This commit is contained in:
Wanderer Fan
2022-05-28 20:36:01 -04:00
committed by WandererFan
parent 714be34961
commit 3f34fff3c3
4 changed files with 41 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/Mod/TechDraw/Gui/QGIView.cpp
View File

@@ -81,13 +81,18 @@
using namespace TechDrawGui;
using namespace TechDraw;
#define NODRAG 0
#define DRAGSTARTED 1
#define DRAGGING 2
const float labelCaptionFudge = 0.2f; // temp fiddle for devel
QGIView::QGIView()
:QGraphicsItemGroup(),
viewObj(nullptr),
m_locked(false),
m_innerView(false)
m_innerView(false),
m_dragState(NODRAG)
{
setCacheMode(QGraphicsItem::NoCache);
setHandlesChildEvents(false);
@@ -200,22 +205,6 @@ QVariant QGIView::itemChange(GraphicsItemChange change, const QVariant &value)
newPos.setX(item->pos().x());
} else if(alignMode == QString::fromLatin1("Horizontal")) {
newPos.setY(item->pos().y());
} else if(alignMode == QString::fromLatin1("45slash")) {
//this logic is wrong since the constrained movement direction is not necessarily 45*
// Base::Console().Message("QGIV::itemChange - oblique BL-TR\n");
// double dist = ( (newPos.x() - item->pos().x()) +
// (item->pos().y() - newPos.y()) ) / 2.0;
// newPos.setX( item->pos().x() + dist);
// newPos.setY( item->pos().y() - dist );
} else if(alignMode == QString::fromLatin1("45backslash")) {
//this logic is wrong since the constrained movement direction is not necessarily 45*
// Base::Console().Message("QGIV::itemChange - oblique TL-BR\n");
// double dist = ( (newPos.x() - item->pos().x()) +
// (newPos.y() - item->pos().y()) ) / 2.0;
// newPos.setX( item->pos().x() + dist);
// newPos.setY( item->pos().y() + dist );
}
}
}
@@ -244,30 +233,39 @@ void QGIView::mousePressEvent(QGraphicsSceneMouseEvent * event)
{
// Base::Console().Message("QGIV::mousePressEvent() - %s\n",getViewName());
signalSelectPoint(this, event->pos());
if (m_dragState == NODRAG) {
m_dragState = DRAGSTARTED;
}
QGraphicsItem::mousePressEvent(event);
}
//void QGIView::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
//{
// QGraphicsItem::mouseMoveEvent(event);
//}
void QGIView::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
{
if (m_dragState == DRAGSTARTED) {
m_dragState = DRAGGING;
}
QGraphicsItem::mouseMoveEvent(event);
}
void QGIView::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
{
//TODO: this should be done in itemChange - item position has changed
//TODO: and should check for dragging
// Base::Console().Message("QGIV::mouseReleaseEvent() - %s\n",getViewName());
// if(scene() && this == scene()->mouseGrabberItem()) {
if(!m_locked) {
if (!isInnerView()) {
double tempX = x(),
tempY = getY();
getViewObject()->setPosition(Rez::appX(tempX),Rez::appX(tempY));
} else {
getViewObject()->setPosition(Rez::appX(x()),Rez::appX(getYInClip(y())));
if (m_dragState == DRAGGING) {
if(!m_locked) {
if (!isInnerView()) {
double tempX = x(),
tempY = getY();
getViewObject()->setPosition(Rez::appX(tempX),Rez::appX(tempY));
} else {
getViewObject()->setPosition(Rez::appX(x()),Rez::appX(getYInClip(y())));
}
}
}
m_dragState = NODRAG;
QGraphicsItem::mouseReleaseEvent(event);
}

6
src/Mod/TechDraw/Gui/QGIView.h
View File

@@ -23,6 +23,8 @@
#ifndef DRAWINGGUI_QGRAPHICSITEMVIEW_H
#define DRAWINGGUI_QGRAPHICSITEMVIEW_H
#include <Mod/TechDraw/TechDrawGlobal.h>
#include <QColor>
#include <QFont>
#include <QGraphicsItemGroup>
@@ -154,7 +156,7 @@ protected:
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
// Mouse handling
/* virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;*/
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
// Preselection events:
virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
@@ -191,8 +193,8 @@ protected:
QPen m_decorPen;
double m_lockWidth;
double m_lockHeight;
int m_dragState;
// std::vector<QGraphicsItem*> m_randomItems;
};
} // namespace