StackOverflow2013

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plurals

PO
primarykey
Id
10389949
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-04-30T20:11:43.643
FavoriteCount
0
LastActivityDate
2012-04-30T20:11:43.643
LastEditDate
2017-05-23T10:24:28.307
LastEditorUserId
-1
OwnerUserId
1045741
ParentId
10373347
PostTypeId
2
Score
1
ViewCount
0
LastEditorDisplayName
text
Body
The simpler way as mentioned by <a href="https://stackoverflow.com/users/307339/stephen-chu">@Stephen Chu</a> is using <a href="http://qt-project.org/doc/qt-4.8/qgraphicsscene.html" rel="nofollow noreferrer"><code>QGraphicsScene</code></a>. Here is an example that prints with qdebug when you click on a rectangle. clickrect.hpp <pre><code>#ifndef _HANDLER_HPP_ #define _HANDLER_HPP_ #include <QtGui> class ClickRect : public QGraphicsRectItem { public: ClickRect( const QRect& rect, const QColor& color, const QString& name, QGraphicsItem* parent = 0); protected: virtual void mousePressEvent(QGraphicsSceneMouseEvent* event); private: QString mName; }; #endif </code></pre> clickrect.cpp <pre><code>#include "clickrect.hpp" ClickRect::ClickRect( const QRect& rect, const QColor& color, const QString& name, QGraphicsItem* par ) : QGraphicsRectItem(rect, par), mName(name) { setBrush(QBrush(color)); } void ClickRect::mousePressEvent(QGraphicsSceneMouseEvent* ev) { qDebug() << mName; } </code></pre> test.cpp <pre><code>#include <QtGui> #include "clickrect.hpp" int main(int argc, char** argv) { QApplication app(argc, argv); QGraphicsScene scene; QGraphicsView view(&scene); view.show(); ClickRect rect_a(QRect(0, 0, 30, 30), QColor("#FDD"), "A"); ClickRect rect_b(QRect(40, 0, 30, 30), QColor("#DFD"), "B"); scene.addItem(&rect_a); scene.addItem(&rect_b); return app.exec(); } </code></pre> CMakeLists.txt <pre><code>cmake_minimum_required(VERSION 2.8) find_package(Qt4 4.8 REQUIRED QtCore QtGui) include(${QT_USE_FILE}) add_executable(test test.cpp clickrect.hpp clickrect.cpp ${MOC_FILES}) target_link_libraries(test ${QT_LIBRARIES}) </code></pre>
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1. This table or related slice is empty.
PostParentId
1. POConnecting QPixmaps with the data being drawn on them
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 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USCommunity
UserOwnerUserId
1. USSilas Parker
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PostLinksRelatedPostIdPostId
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PostsAcceptedAnswerId
1. This table or related slice is empty.
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VotesPostIdCreationDate
1. VO
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1. This table or related slice is empty.

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