[KStandardItemListWidget] Update icon when palette changes

[dolphin.git] / src / kitemviews / kitemlistgroupheader.cpp

diff --git a/src/kitemviews/kitemlistgroupheader.cpp b/src/kitemviews/kitemlistgroupheader.cpp
index 03964e2b5c864e9e29ab3c7141b5543f55e141fb..f8576b08cfcd5da7157c0e9c0b9e99e9ef6469eb 100644 (file)
--- a/src/kitemviews/kitemlistgroupheader.cpp
+++ b/src/kitemviews/kitemlistgroupheader.cpp
@@ -20,14 +20,13 @@
  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  ***************************************************************************/
 
  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  ***************************************************************************/
 

-#include "kitemlistgroupheader.h"
+#include "kstandarditemlistgroupheader.h"

 
 #include "kitemlistview.h"
 
 #include <QGraphicsSceneResizeEvent>
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
 
 #include "kitemlistview.h"
 
 #include <QGraphicsSceneResizeEvent>
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>

-#include <KDebug>

 
 KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) :
     QGraphicsWidget(parent, 0),
 
 KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) :
     QGraphicsWidget(parent, 0),


@@ -36,6 +35,8 @@ KItemListGroupHeader::KItemListGroupHeader(QGraphicsWidget* parent) :
     m_data(),
     m_styleOption(),
     m_scrollOrientation(Qt::Vertical),
     m_data(),
     m_styleOption(),
     m_scrollOrientation(Qt::Vertical),

+    m_itemIndex(-1),
+    m_separatorColor(),

     m_roleColor(),
     m_roleBounds()
 {
     m_roleColor(),
     m_roleBounds()
 {


@@ -100,6 +101,21 @@ void KItemListGroupHeader::setScrollOrientation(Qt::Orientation orientation)
     }
 }
 
     }
 }
 

+void KItemListGroupHeader::setItemIndex(int index)
+{
+    if (m_itemIndex != index) {
+        const int previous = m_itemIndex;
+        m_itemIndex = index;
+        m_dirtyCache = true;
+        itemIndexChanged(m_itemIndex, previous);
+    }
+}
+
+int KItemListGroupHeader::itemIndex() const
+{
+    return m_itemIndex;
+}
+

 Qt::Orientation KItemListGroupHeader::scrollOrientation() const
 {
     return m_scrollOrientation;
 Qt::Orientation KItemListGroupHeader::scrollOrientation() const
 {
     return m_scrollOrientation;


@@ -107,6 +123,7 @@ Qt::Orientation KItemListGroupHeader::scrollOrientation() const
 
 void KItemListGroupHeader::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {
 
 void KItemListGroupHeader::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {

+    Q_UNUSED(painter);

     Q_UNUSED(option);
     Q_UNUSED(widget);
 
     Q_UNUSED(option);
     Q_UNUSED(widget);
 


@@ -114,21 +131,8 @@ void KItemListGroupHeader::paint(QPainter* painter, const QStyleOptionGraphicsIt
         updateCache();
     }
 
         updateCache();
     }
 

-    if (m_scrollOrientation != Qt::Horizontal) {
-        painter->setPen(m_roleColor);
-        const qreal y = m_roleBounds.y() - m_styleOption.padding;
-        painter->drawLine(0, y, size().width() - 1, y);
-    }
-}
-
-QRectF KItemListGroupHeader::roleBounds() const
-{
-    return m_roleBounds;
-}
-
-QColor KItemListGroupHeader::roleColor() const
-{
-    return m_roleColor;
+    paintSeparator(painter, m_separatorColor);
+    paintRole(painter, m_roleBounds, m_roleColor);

 }
 
 void KItemListGroupHeader::roleChanged(const QByteArray& current, const QByteArray& previous)
 }
 
 void KItemListGroupHeader::roleChanged(const QByteArray& current, const QByteArray& previous)


@@ -155,6 +159,12 @@ void KItemListGroupHeader::scrollOrientationChanged(Qt::Orientation current, Qt:
     Q_UNUSED(previous);
 }
 
     Q_UNUSED(previous);
 }
 

+void KItemListGroupHeader::itemIndexChanged(int current, int previous)
+{
+    Q_UNUSED(current);
+    Q_UNUSED(previous);
+}
+

 void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent* event)
 {
     QGraphicsWidget::resizeEvent(event);
 void KItemListGroupHeader::resizeEvent(QGraphicsSceneResizeEvent* event)
 {
     QGraphicsWidget::resizeEvent(event);


@@ -167,26 +177,58 @@ void KItemListGroupHeader::updateCache()
 {
     Q_ASSERT(m_dirtyCache);
 
 {
     Q_ASSERT(m_dirtyCache);
 

-    // Calculate the outline color. No alphablending is used for
+    // Calculate the role- and line-color. No alphablending is used for

     // performance reasons.
     // performance reasons.

-    const QColor c1 = m_styleOption.palette.text().color();
-    const QColor c2 = m_styleOption.palette.background().color();
-    const int p1 = 35;
-    const int p2 = 100 - p1;
-    m_roleColor = QColor((c1.red()   * p1 + c2.red()   * p2) / 100,
-                         (c1.green() * p1 + c2.green() * p2) / 100,
-                         (c1.blue()  * p1 + c2.blue()  * p2) / 100);
-
-    const int padding = m_styleOption.padding;
+    const QColor c1 = textColor();
+    const QColor c2 = baseColor();
+    m_separatorColor = mixedColor(c1, c2, 10);
+    m_roleColor = mixedColor(c1, c2, 60);
+
+    const int padding = qMax(1, m_styleOption.padding);
+    const int horizontalMargin = qMax(2, m_styleOption.horizontalMargin);
+

     const QFontMetrics fontMetrics(m_styleOption.font);
     const qreal roleHeight = fontMetrics.height();
 
     const QFontMetrics fontMetrics(m_styleOption.font);
     const qreal roleHeight = fontMetrics.height();
 

-    m_roleBounds = QRectF(padding,
-                          size().height() - roleHeight - padding,
-                          size().width() - 2 * padding,
+    const int y = (m_scrollOrientation == Qt::Vertical) ? padding : horizontalMargin;
+
+    m_roleBounds = QRectF(horizontalMargin + padding,
+                          y,
+                          size().width() - 2 * padding - horizontalMargin,

                           roleHeight);
 
     m_dirtyCache = false;
 }
 
                           roleHeight);
 
     m_dirtyCache = false;
 }
 

-#include "kitemlistgroupheader.moc"
+QColor KItemListGroupHeader::mixedColor(const QColor& c1, const QColor& c2, int c1Percent)
+{
+    Q_ASSERT(c1Percent >= 0 && c1Percent <= 100);
+
+    const int c2Percent = 100 - c1Percent;
+    return QColor((c1.red()   * c1Percent + c2.red()   * c2Percent) / 100,
+                  (c1.green() * c1Percent + c2.green() * c2Percent) / 100,
+                  (c1.blue()  * c1Percent + c2.blue()  * c2Percent) / 100);
+}
+
+QPalette::ColorRole KItemListGroupHeader::normalTextColorRole() const
+{
+    return QPalette::Text;
+}
+
+QPalette::ColorRole KItemListGroupHeader::normalBaseColorRole() const
+{
+    return QPalette::Window;
+}
+
+QColor KItemListGroupHeader::textColor() const
+{
+    const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
+    return styleOption().palette.color(group, normalTextColorRole());
+}
+
+QColor KItemListGroupHeader::baseColor() const
+{
+    const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
+    return styleOption().palette.color(group, normalBaseColorRole());
+}
+