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Reworked all behavior of PlayTool and SelectorTool because of not flexible architecture.

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Aleksei Kanash 13 years ago
parent 73d7cc883c
commit 6b85418aa4
2 changed files with 240 additions and 124 deletions
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  1. 339
      src/board/UBBoardView.cpp
  2. 7
      src/board/UBBoardView.h

339
src/board/UBBoardView.cpp
Unescape View File

@ -57,6 +57,7 @@
#include "tools/UBGraphicsCompass.h"
#include "tools/UBGraphicsCache.h"
#include "tools/UBGraphicsTriangle.h"
#include "tools/UBGraphicsProtractor.h"
#include "core/memcheck.h"
@ -399,18 +400,217 @@ bool UBBoardView::itemHaveParentWithType(QGraphicsItem *item, int type)
}
QGraphicsItem* UBBoardView::determinedItemToMove()
bool UBBoardView::itemShouldReceiveMousePressEvent(QGraphicsItem *item)
{
// groupConteinerItem should be moved instead of it's owned items
if(movingItem && movingItem->parentItem() &&
(UBGraphicsGroupContainerItem::Type == movingItem->parentItem()->type() ||
UBGraphicsStrokesGroup::Type == movingItem->parentItem()->type()
)
)
if (!item)
return true;
if (item == scene()->backgroundObject())
return true;
if (itemIsLocked(item))
return false;
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
if ((currentTool == UBStylusTool::Play) && UBGraphicsGroupContainerItem::Type == movingItem->type())
return movingItem = NULL;
switch(item->type())
{
case UBGraphicsMediaItem::Type:
return false;
case UBGraphicsPixmapItem::Type:
case UBGraphicsTextItem::Type:
if ((currentTool == UBStylusTool::Selector) && item->isSelected())
return true;
if ((currentTool == UBStylusTool::Selector) && item->parentItem() && item->parentItem()->isSelected())
return true;
if (currentTool != UBStylusTool::Selector)
return false;
break;
case UBGraphicsGroupContainerItem::Type:
return (currentTool == UBStylusTool::Selector);
case UBGraphicsW3CWidgetItem::Type:
if (currentTool == UBStylusTool::Selector && item->parentItem() && item->parentItem()->isSelected())
return true;
if (currentTool == UBStylusTool::Selector && item->isSelected())
return true;
if (currentTool == UBStylusTool::Play)
return true;
break;
default:
return true;
}
return false;
}
bool UBBoardView::itemShouldReceiveSuspendedMousePressEvent(QGraphicsItem *item)
{
if (!item)
return false;
if (item == scene()->backgroundObject())
return false;
if (itemIsLocked(item))
return false;
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
switch(item->type())
{
case UBGraphicsPixmapItem::Type:
case UBGraphicsTextItem::Type:
case UBGraphicsW3CWidgetItem::Type:
if (currentTool != UBStylusTool::Play && !item->isSelected() && item->parentItem())
return true;
if (currentTool != UBStylusTool::Play && !item->isSelected())
return true;
break;
case UBGraphicsMediaItem::Type:
return true;
default:
return false;
}
return false;
}
bool UBBoardView::itemShouldBeMoved(QGraphicsItem *item)
{
if (!item)
return false;
if (item == scene()->backgroundObject())
return false;
if (!(mMouseButtonIsPressed || mTabletStylusIsPressed))
return false;
if (movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
return false;
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
if (movingItem->parentItem() && !movingItem->isSelected() && movingItem->parentItem()->isSelected())
return false;
switch(item->type())
{
case UBGraphicsGroupContainerItem::Type:
return true;
case UBGraphicsW3CWidgetItem::Type:
if(currentTool == UBStylusTool::Selector && item->isSelected())
return false;
if(currentTool == UBStylusTool::Play)
return false;
case UBGraphicsPixmapItem::Type:
if (item->isSelected())
return false;
case UBGraphicsMediaItem::Type:
case UBGraphicsStrokesGroup::Type:
return true;
case UBGraphicsTextItem::Type:
return !item->isSelected();
default:
false;
}
return false;
}
// determine item to interacts: item self or it's container.
QGraphicsItem* UBBoardView::determineItemToMove(QGraphicsItem *item)
{
if(item)
{
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
if ((UBStylusTool::Play == currentTool) && (UBGraphicsW3CWidgetItem::Type == item->type()))
return item;
if(item->parentItem() && UBGraphicsGroupContainerItem::Type == item->parentItem()->type())
{
if (UBStylusTool::Play == currentTool && item->parentItem()->isSelected())
return item->parentItem();
if (item->parentItem()->isSelected())
return item;
if (item->isSelected())
return NULL;
return item->parentItem();
}
if(item->parentItem() && UBGraphicsStrokesGroup::Type == item->parentItem()->type())
return determineItemToMove(item->parentItem());
}
return item;
}
void UBBoardView::handleItemMousePress(QMouseEvent *event)
{
mLastPressedMousePos = mapToScene(event->pos());
if (itemShouldReceiveMousePressEvent(movingItem))
QGraphicsView::mousePressEvent (event);
else
if (itemShouldReceiveSuspendedMousePressEvent(movingItem))
{
movingItem = movingItem->parentItem();
if (suspendedMousePressEvent)
delete suspendedMousePressEvent;
suspendedMousePressEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers());
}
}
void UBBoardView::handleItemMouseMove(QMouseEvent *event)
{
if (movingItem)
movingItem = determineItemToMove(movingItem);
if (movingItem && itemShouldBeMoved(movingItem) && (mMouseButtonIsPressed || mTabletStylusIsPressed))
{
QPointF scenePos = mapToScene(event->pos());
QPointF newPos = movingItem->pos() + scenePos - mLastPressedMousePos;
movingItem->setPos(newPos);
mLastPressedMousePos = scenePos;
mWidgetMoved = true;
event->accept();
}
else
{
QPointF posBeforeMove;
QPointF posAfterMove;
if (movingItem)
posBeforeMove = movingItem->pos();
QGraphicsView::mouseMoveEvent (event);
if (movingItem)
posAfterMove = movingItem->pos();
mWidgetMoved = ((posAfterMove-posBeforeMove).manhattanLength() != 0);
// a cludge for terminate moving of w3c widgets.
if (mWidgetMoved && UBGraphicsW3CWidgetItem::Type == movingItem->type())
movingItem->setPos(posBeforeMove);
}
return movingItem;
}
void UBBoardView::mousePressEvent (QMouseEvent *event)
@ -451,8 +651,6 @@ void UBBoardView::mousePressEvent (QMouseEvent *event)
}
else if (currentTool == UBStylusTool::Selector)
{
// QSet<QGraphicsItem*> existingTools = scene()->tools(); why do we need to get tools here?
movingItem = scene()->itemAt(this->mapToScene(event->posF().toPoint()));
if (!movingItem) {
@ -464,35 +662,7 @@ void UBBoardView::mousePressEvent (QMouseEvent *event)
mUBRubberBand->show();
}
if (!movingItem
|| movingItem->isSelected()
|| movingItem->type() == UBGraphicsDelegateFrame::Type
|| movingItem->type() == DelegateButton::Type
|| movingItem->type() == UBGraphicsCompass::Type
|| movingItem->type() == UBGraphicsPDFItem::Type
|| movingItem->type() == UBGraphicsPolygonItem::Type
|| movingItem->type() == UBGraphicsCache::Type
|| movingItem->type() == UBGraphicsTriangle::Type
|| movingItem == this->scene()->backgroundObject()
|| (movingItem->parentItem() && movingItem->parentItem()->type() == UBGraphicsGroupContainerItem::Type))
{
if (movingItem && !itemIsLocked(movingItem)
|| itemHaveParentWithType(movingItem, UBGraphicsMediaItem::Type))
{
QGraphicsView::mousePressEvent (event);
}
movingItem = NULL;
}
else
{
mLastPressedMousePos = mapToScene(event->pos());
if (suspendedMousePressEvent)
{
delete suspendedMousePressEvent;
}
suspendedMousePressEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers()); // удалить
}
handleItemMousePress(event);
event->accept();
}
@ -500,40 +670,7 @@ void UBBoardView::mousePressEvent (QMouseEvent *event)
{
movingItem = scene()->itemAt(this->mapToScene(event->posF().toPoint()));
mLastPressedMousePos = mapToScene(event->pos());
// items, who shouldn't receive mouse press event
if (movingItem &&
UBGraphicsTextItem ::Type != movingItem->type()
)
{
QGraphicsView::mousePressEvent(event);
}
// items, who should receive suspended mouse press event
if (movingItem &&
UBGraphicsMediaItem::Type == movingItem->type()
)
{
if (suspendedMousePressEvent)
{
delete suspendedMousePressEvent;
}
suspendedMousePressEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers()); // удалить
}
// groups shouldn't be moved independant of items)
if(movingItem &&
(UBGraphicsGroupContainerItem::Type == movingItem->type() ||
UBGraphicsStrokesGroup::Type == movingItem->type()
)
)
{
movingItem = NULL;
}
movingItem = determinedItemToMove();
handleItemMousePress(event);
event->accept();
}
else if (currentTool == UBStylusTool::Text)
@ -654,43 +791,11 @@ UBBoardView::mouseMoveEvent (QMouseEvent *event)
}
}
if (movingItem && (mMouseButtonIsPressed || mTabletStylusIsPressed) &&
!movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
{
QPointF scenePos = mapToScene(event->pos());
QPointF newPos = movingItem->pos() + scenePos - mLastPressedMousePos;
movingItem->setPos(newPos);
mLastPressedMousePos = scenePos;
mWidgetMoved = true;
event->accept();
}
else QGraphicsView::mouseMoveEvent (event);
handleItemMouseMove(event);
}
else if (currentTool == UBStylusTool::Play)
{
// items, who shouldn't receive mouse move events
if (movingItem &&
(UBGraphicsW3CWidgetItem::Type == movingItem->type() ||
itemHaveParentWithType(movingItem, UBGraphicsToolBarItem::Type)
)
)
{
movingItem = NULL;
}
if (movingItem && (mMouseButtonIsPressed || mTabletStylusIsPressed) &&
!movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
{
QPointF scenePos = mapToScene(event->pos());
QPointF newPos = movingItem->pos() + scenePos - mLastPressedMousePos;
movingItem->setPos(newPos);
mLastPressedMousePos = scenePos;
mWidgetMoved = true;
event->accept();
}
else
QGraphicsView::mouseMoveEvent (event);
handleItemMouseMove(event);
}
else if ((UBDrawingController::drawingController()->isDrawingTool())
&& !mMouseButtonIsPressed)
@ -717,6 +822,9 @@ UBBoardView::mouseMoveEvent (QMouseEvent *event)
}
event->accept ();
}
if((event->pos() - mLastPressedMousePos).manhattanLength() < QApplication::startDragDistance())
mWidgetMoved = true;
}
void
@ -746,21 +854,23 @@ UBBoardView::mouseReleaseEvent (QMouseEvent *event)
delete suspendedMousePressEvent;
suspendedMousePressEvent = NULL;
}
else
{
movingItem->setSelected(true);
}
}
if (mUBRubberBand && mUBRubberBand->isVisible()) {
mUBRubberBand->hide();
}
QGraphicsView::mouseReleaseEvent (event);
}
else if (currentTool == UBStylusTool::Play)
{
if (suspendedMousePressEvent && !movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
if (mWidgetMoved)
{
movingItem = NULL;
mWidgetMoved = false;
}
else
{
if (suspendedMousePressEvent && movingItem && !movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
{
QGraphicsView::mousePressEvent(suspendedMousePressEvent); // suspendedMousePressEvent is deleted by old Qt event loop
movingItem = NULL;
@ -770,6 +880,7 @@ UBBoardView::mouseReleaseEvent (QMouseEvent *event)
QGraphicsView::mouseReleaseEvent (event);
}
}
else if (currentTool == UBStylusTool::Text)
{
if (mRubberBand)

7
src/board/UBBoardView.h
Unescape View File

@ -52,8 +52,13 @@ class UBBoardView : public QGraphicsView
protected:
bool itemIsLocked(QGraphicsItem *item);
bool itemShouldReceiveMousePressEvent(QGraphicsItem *item);
bool itemShouldReceiveSuspendedMousePressEvent(QGraphicsItem *item);
bool itemHaveParentWithType(QGraphicsItem *item, int type);
QGraphicsItem* determinedItemToMove();
bool itemShouldBeMoved(QGraphicsItem *item);
QGraphicsItem* determineItemToMove(QGraphicsItem *item);
void handleItemMousePress(QMouseEvent *event);
void handleItemMouseMove(QMouseEvent *event);
virtual bool event (QEvent * e);

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