kotschak/qelectrotech-source-mirror
0
0
Fork 0
mirror of https://github.com/qelectrotech/qelectrotech-source-mirror.git synced 2025-12-23 18:50:52 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

simple element : comment is snapped and centered to the bottom of text tagged "label"

Browse Source 
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3432 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2014-11-02 14:12:38 +00:00
parent 305b8845cc
commit 822da4fe66
5 changed files with 161 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
sources/qetgraphicsitem/qgraphicsitemutility.cpp Normal file
View File

@@ -0,0 +1,78 @@
/*
Copyright 2006-2014 The QElectroTech Team
This file is part of QElectroTech.
QElectroTech 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.
QElectroTech is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qgraphicsitemutility.h"
#include "element.h"
#include "diagram.h"
#include <QGraphicsItem>
#include <QDebug>
/**
* @brief centerToParentBottom
* Center the item at the bottom of is parent.
* @param item item to center
* @return true if centered else false (item have not parent)
*/
bool centerToParentBottom(QGraphicsItem *item) {
if (! item->parentItem()) {
qDebug() << "Qet::centerToParentBottom : item have not parent";
return false;
}
QPointF p = item -> parentItem() -> boundingRect().center();
p.ry() += item -> parentItem() -> boundingRect().height()/2;
p.rx() -= (item -> boundingRect().width()/2 + item->boundingRect().left()); //< we add boundingrect.left because this value can be négative
item -> setPos(p);
return true;
}
/**
* @brief centerToBottomDiagram
* Set item pos to the bottom of diagram and centered vertically to element_to_follow
* @param item_to_center
* @param element_to_follow
* @return true if element is centered else false (element_to_follow have not diagram)
*/
bool centerToBottomDiagram (QGraphicsItem *item_to_center, Element *element_to_follow) {
if (! element_to_follow -> diagram()) {
qDebug() << "qgraphicsitemutility centerAtBottomDiagram : Element_to_follow have not diagram";
return false;
}
QRectF border = element_to_follow -> diagram() -> border();
QPointF point = element_to_follow -> sceneBoundingRect().center();
point.setY(border.height() -
element_to_follow -> diagram() -> border_and_titleblock.titleBlockHeight() -
item_to_center -> boundingRect().height());
point.rx() -= (item_to_center -> boundingRect().width()/2 +
item_to_center -> boundingRect().left()); //< we add boundingrect.left because this value can be négative
item_to_center -> setPos(0,0); //Due to a weird behavior or bug, before set the new position and rotation,
item_to_center -> setRotation(0); //we must to set the position and rotation at 0.
item_to_center -> setPos(item_to_center -> mapFromScene(point));
if (item_to_center -> rotation() != - element_to_follow -> rotation()) {
item_to_center -> setRotation(0);
item_to_center -> setRotation(- element_to_follow -> rotation());
}
return true;
}