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refs #452, style sheet utility

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* view port enabled style sheet usage
* concat styles
This commit is contained in:
Klaus Basan
2015-09-23 19:46:43 +02:00
committed by Mathew Sutcliffe
parent 3e1e1070c1
commit 1bb0afdedd
2 changed files with 35 additions and 7 deletions
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37
src/blackgui/stylesheetutility.cpp
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@@ -14,7 +14,8 @@
#include <QDebug>
#include <QRegExp>
#include <QStyleOption>
#include <QPainter>
#include <QStylePainter>
#include <QAbstractScrollArea>
namespace BlackGui
{
@@ -324,16 +325,28 @@ namespace BlackGui
return dirPath;
}
void CStyleSheetUtility::useStyleSheetInDerivedWidget(QWidget *usedWidget, QStyle::PrimitiveElement element)
bool CStyleSheetUtility::useStyleSheetInDerivedWidget(QWidget *usedWidget, QStyle::PrimitiveElement element)
{
Q_ASSERT(usedWidget);
if (!usedWidget) { return; }
if (!usedWidget) { return false; }
Q_ASSERT(usedWidget->style());
if (!usedWidget->style()) { return; }
QStyle *style = usedWidget->style();
if (!style) { return false; }
// 1) QStylePainter: modern version of
// usedWidget->style()->drawPrimitive(element, &opt, &p, usedWidget);
// 2) With viewport based widgets viewport has to be used
QAbstractScrollArea *sa = qobject_cast<QAbstractScrollArea *>(usedWidget);
QStylePainter p(
sa ? sa->viewport() :
usedWidget);
if (!p.isActive()) { return false; }
QStyleOption opt;
opt.initFrom(usedWidget);
QPainter p(usedWidget);
usedWidget->style()->drawPrimitive(element, &opt, &p, usedWidget);
p.drawPrimitive(element, opt);
return true;
}
QString CStyleSheetUtility::styleForIconCheckBox(const QString &checkedIcon, const QString &uncheckedIcon, const QString &width, const QString &height)
@@ -344,4 +357,16 @@ namespace BlackGui
static const QString st = "QCheckBox::indicator { width: %1; height: %2; } QCheckBox::indicator:checked { image: url(%3); } QCheckBox::indicator:unchecked { image: url(%4); }";
return st.arg(width).arg(height).arg(checkedIcon).arg(uncheckedIcon);
}
QString CStyleSheetUtility::concatStyles(const QString &style1, const QString &style2)
{
QString s1(style1.trimmed());
QString s2(style2.trimmed());
if (s1.isEmpty()) { return s2; }
if (s2.isEmpty()) { return s1; }
if (!s1.endsWith(";")) { s1 = s1.append("; "); }
s1.append(s2);
if (!s1.endsWith(";")) { s1 = s1.append(";"); }
return s1;
}
}

5
src/blackgui/stylesheetutility.h
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@@ -122,11 +122,14 @@ namespace BlackGui
//! Use style sheets in derived widgets
//! \sa QWidget::paintEvent
static void useStyleSheetInDerivedWidget(QWidget *derivedWidget, QStyle::PrimitiveElement element = QStyle::PE_Widget);
static bool useStyleSheetInDerivedWidget(QWidget *derivedWidget, QStyle::PrimitiveElement element = QStyle::PE_Widget);
//! Stylesheet string for a checkbox displayed as 2 icons
static QString styleForIconCheckBox(const QString &checkedIcon, const QString &uncheckedIcon, const QString &width = "16px", const QString &height = "16px");
//! Concatenate 2 styles
static QString concatStyles(const QString &style1, const QString &style2);
signals:
//! Sheets have been changed
void styleSheetsChanged();