Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdesdk@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 119 insertions, 0 deletions

diff --git a/umbrello/umbrello/floatingtextwidgetcontroller.cpp b/umbrello/umbrello/floatingtextwidgetcontroller.cpp
new file mode 100644
index 00000000..4c6a4aa8
--- /dev/null
+++ b/umbrello/umbrello/floatingtextwidgetcontroller.cpp
@@ -0,0 +1,119 @@
+/***************************************************************************
+ *                                                                         *
+ *   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(QMouseEvent *me) {
+    UMLWidgetController::saveWidgetValues(me);
+
+    m_unconstrainedPositionX = m_widget->getX();
+    m_unconstrainedPositionY = m_widget->getY();
+    m_movementDirectionX = 0;
+    m_movementDirectionY = 0;
+}
+
+bool FloatingTextWidgetController::isInResizeArea(QMouseEvent* /*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;
+    QPoint 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) {
+    QPoint constrainedPosition = constrainPosition(diffX, diffY);
+
+    diffX = constrainedPosition.x() - m_floatingTextWidget->getX();
+    diffY = constrainedPosition.y() - m_floatingTextWidget->getY();
+}
+
+QPoint 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 QPoint(newX, newY);
+}
+