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Fixed drawing transparent background of RsButtonOnText.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@8330 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2 2015-05-31 23:07:37 +00:00
parent aeb5d1120f
commit 1c507bddd8
1 changed files with 23 additions and 5 deletions
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28
retroshare-gui/src/gui/common/RsButtonOnText.cpp
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@ -6,6 +6,8 @@
#include <QToolTip>
#include <QUrl>
#include <QUuid>
#include <QStylePainter>
#include <QStyleOption>
#include <iostream>
RSButtonOnText::RSButtonOnText(QWidget *parent)
@ -243,11 +245,27 @@ void RSButtonOnText::updateImage()
if (_textEdit){
adjustSize();
QPixmap pixmap;
#if QT_VERSION >= QT_VERSION_CHECK (5, 0, 0)
pixmap = this->grab();//QT5
#else
pixmap = QPixmap::grabWidget(this);
#endif
// Can't get Qt's grab functionality to draw a transparent background so we use our own drawing on a pixmap
//#if QT_VERSION >= QT_VERSION_CHECK (5, 0, 0)
// pixmap = this->grab();//QT5
//#else
// pixmap = QPixmap::grabWidget(this);
//#endif
// get a transparent pixmap
pixmap = QPixmap(size());
pixmap.fill(Qt::transparent);
// init options
QStyleOptionButton option;
initStyleOption(&option);
// draw the button onto the pixmap
QStylePainter painter(&pixmap, this);
painter.drawControl(QStyle::CE_PushButton, option);
painter.end();
_textEdit->setUpdatesEnabled(false);
_textEdit->document()->addResource(QTextDocument::ImageResource,QUrl(_uuid),QVariant(pixmap));
_textEdit->setUpdatesEnabled(true);