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/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* copyright (C) 2006 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
// own header
#include "floatingtextwidgetcontroller.h"
// qt/kde includes
#include <kdebug.h>
// app includes
#include "floatingtextwidget.h"
#include "messagewidget.h"
#include "objectwidget.h"
FloatingTextWidgetController::FloatingTextWidgetController(FloatingTextWidget *floatingTextWidget):
UMLWidgetController(floatingTextWidget) {
m_floatingTextWidget = floatingTextWidget;
m_unconstrainedPositionX = 0;
m_unconstrainedPositionY = 0;
m_movementDirectionX = 0;
m_movementDirectionY = 0;
}
FloatingTextWidgetController::~FloatingTextWidgetController() {
}
void FloatingTextWidgetController::saveWidgetValues(TQMouseEvent *me) {
UMLWidgetController::saveWidgetValues(me);
m_unconstrainedPositionX = m_widget->getX();
m_unconstrainedPositionY = m_widget->getY();
m_movementDirectionX = 0;
m_movementDirectionY = 0;
}
bool FloatingTextWidgetController::isInResizeArea(TQMouseEvent* /*me*/) {
return false;
}
void FloatingTextWidgetController::moveWidgetBy(int diffX, int diffY) {
if (m_floatingTextWidget->m_Role == Uml::tr_Seq_Message_Self)
return;
if (m_floatingTextWidget->m_Role == Uml::tr_Seq_Message
&& ((MessageWidget*)m_floatingTextWidget->m_pLink)->getSelected()) {
return;
}
m_unconstrainedPositionX += diffX;
m_unconstrainedPositionY += diffY;
TQPoint constrainedPosition = constrainPosition(diffX, diffY);
int newX = constrainedPosition.x();
int newY = constrainedPosition.y();
if (!m_movementDirectionX) {
if (m_unconstrainedPositionX != constrainedPosition.x()) {
m_movementDirectionX = (diffX > 0)? 1: -1;
}
} else if ((m_movementDirectionX < 0 && m_unconstrainedPositionX > m_floatingTextWidget->getX()) ||
(m_movementDirectionX > 0 && m_unconstrainedPositionX < m_floatingTextWidget->getX()) ) {
newX = m_unconstrainedPositionX;
m_movementDirectionX = 0;
}
if (!m_movementDirectionY) {
if (m_unconstrainedPositionY != constrainedPosition.y()) {
m_movementDirectionY = (diffY > 0)? 1: -1;
}
} else if ((m_movementDirectionY < 0 && m_unconstrainedPositionY > m_floatingTextWidget->getY()) ||
(m_movementDirectionY > 0 && m_unconstrainedPositionY < m_floatingTextWidget->getY()) ) {
newY = m_unconstrainedPositionY;
m_movementDirectionY = 0;
}
m_floatingTextWidget->setX(newX);
m_floatingTextWidget->setY(newY);
if (m_floatingTextWidget->m_pLink) {
m_floatingTextWidget->m_pLink->calculateNameTextSegment();
if (m_floatingTextWidget->m_Role == Uml::tr_Seq_Message) {
MessageWidget* messageWidget = (MessageWidget*)m_floatingTextWidget->m_pLink;
messageWidget->setY(newY + m_floatingTextWidget->getHeight());
//TODO This should be moved to somewhere in MessageWidget, refactor with messagewidgetcontroller.cpp:44
if (messageWidget->getSequenceMessageType() == Uml::sequence_message_creation) {
const int objWidgetHalfHeight = messageWidget->getWidget(Uml::B)->getHeight() / 2;
messageWidget->getWidget(Uml::B)->UMLWidget::setY(messageWidget->getY() - objWidgetHalfHeight);
}
}
}
}
void FloatingTextWidgetController::constrainMovementForAllWidgets(int &diffX, int &diffY) {
TQPoint constrainedPosition = constrainPosition(diffX, diffY);
diffX = constrainedPosition.x() - m_floatingTextWidget->getX();
diffY = constrainedPosition.y() - m_floatingTextWidget->getY();
}
TQPoint FloatingTextWidgetController::constrainPosition(int diffX, int diffY) {
int newX = m_floatingTextWidget->getX() + diffX;
int newY = m_floatingTextWidget->getY() + diffY;
if (m_floatingTextWidget->m_pLink) {
m_floatingTextWidget->m_pLink->constrainTextPos(newX, newY,
m_floatingTextWidget->width(), m_floatingTextWidget->height(),
m_floatingTextWidget->m_Role);
}
return TQPoint(newX, newY);
}
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