use the width of the largest word as the width size hint

svn path=/trunk/KDE/kdelibs/; revision=1022099

widgets/iconwidget.cpp

@@ -349,6 +349,7 @@ void IconWidgetPrivate::init()
 
     setActiveMargins();
     currentSize = QSizeF(-1, -1);
+    q->setFont(Plasma::Theme::defaultTheme()->font(Plasma::Theme::DefaultFont));
 }
 
 void IconWidget::addIconAction(QAction *action)
@@ -482,6 +483,7 @@ QSizeF IconWidgetPrivate::displaySizeHint(const QStyleOptionGraphicsItem *option
 
     QTextLayout layout;
     setLayoutOptions(layout, option, q->orientation());
+    layout.setFont(Plasma::Theme::defaultTheme()->font(Plasma::Theme::DefaultFont));
     QSizeF size = layoutText(layout, option, label, QSizeF(textWidth, maxHeight));
 
     return addMargin(size, TextMargin);
@@ -526,7 +528,7 @@ void IconWidgetPrivate::layoutIcons(const QStyleOptionGraphicsItem *option)
         iconWidth -= horizontalMargin[IconWidgetPrivate::ItemMargin].left + horizontalMargin[IconWidgetPrivate::ItemMargin].right;
     } else {
         //Horizontal layout
-        QFontMetricsF fm(q->font());
+        QFontMetricsF fm = Plasma::Theme::defaultTheme()->fontMetrics();
 
         //if there is text resize the icon in order to make room for the text
         if (text.isEmpty() && infoText.isEmpty()) {
@@ -991,6 +993,8 @@ void IconWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option
 
     // Draw text last because it is overlayed
     QTextLayout labelLayout, infoLayout;
+    labelLayout.setFont(Plasma::Theme::defaultTheme()->font(Plasma::Theme::DefaultFont));
+    infoLayout.setFont(Plasma::Theme::defaultTheme()->font(Plasma::Theme::DefaultFont));
     QRectF textBoundingRect;
 
 
@@ -1308,6 +1312,7 @@ bool IconWidget::invertedLayout() const
 
 QSizeF IconWidget::sizeFromIconSize(const qreal iconWidth) const
 {
+    d->setActiveMargins();
     if (d->text.isEmpty() && d->infoText.isEmpty()) {
         //no text, less calculations
         return d->addMargin(d->addMargin(QSizeF(iconWidth, iconWidth), IconWidgetPrivate::IconMargin),
@@ -1319,8 +1324,8 @@ QSizeF IconWidget::sizeFromIconSize(const qreal iconWidth) const
 
     if (d->orientation == Qt::Vertical) {
         // make room for at most 14 characters
-        width = qMax(fm.width(d->text.left(12)),
+        width = qMax(d->maxWordWidth(d->text),
-                     fm.width(d->infoText.left(12))) +
+                     d->maxWordWidth(d->infoText)) +
                      fm.width("xx") +
                      d->horizontalMargin[IconWidgetPrivate::TextMargin].left +
                      d->horizontalMargin[IconWidgetPrivate::TextMargin].right;

widgets/iconwidget_p.h

@@ -31,6 +31,7 @@
 
 #include <plasma/plasma_export.h>
 #include <plasma/framesvg.h>
+#include <plasma/theme.h>
 #include <plasma/svg.h>
 
 #include "iconwidget.h"
@@ -146,6 +147,8 @@ public:
                          const QPixmap &icon, QTextLayout *labelLayout,
                          QTextLayout *infoLayout, QRectF *textBoundingRect) const;
 
+    int maxWordWidth(const QString text) const;
+
     inline void setLayoutOptions(QTextLayout &layout,
                                  const QStyleOptionGraphicsItem *options,
                                  const Qt::Orientation orientation) const;
@@ -265,6 +268,15 @@ Qt::LayoutDirection IconWidgetPrivate::iconDirection(const QStyleOptionGraphicsI
 
 void IconWidgetPrivate::setActiveMargins()
 {
+    //sync here itemmargin with contentsrect, not overly pretty but it's where it's more reliable
+    qreal left, top, right, bottom;
+    q->getContentsMargins(&left, &top, &right, &bottom);
+    if (left || top || right || bottom) {
+        verticalMargin[ItemMargin].left = horizontalMargin[ItemMargin].left = left;
+        verticalMargin[ItemMargin].top = horizontalMargin[ItemMargin].top = top;
+        verticalMargin[ItemMargin].right = horizontalMargin[ItemMargin].right = right;
+        verticalMargin[ItemMargin].bottom = horizontalMargin[ItemMargin].bottom = bottom;
+    }
     activeMargins = (orientation == Qt::Horizontal ? horizontalMargin : verticalMargin);
 }
 
@@ -300,56 +312,44 @@ QRectF IconWidgetPrivate::addMargin(const QRectF &rect, MarginType type) const
 {
     Q_ASSERT(activeMargins);
 
-    qreal left, top, right, bottom;
-    q->getContentsMargins(&left, &top, &right, &bottom);
-    if (type == ItemMargin && (left || top || right || bottom)) {
-        return rect.adjusted(-left, -top, right, bottom);
-    } else {
     const Margin &m = activeMargins[type];
     return rect.adjusted(-m.left, -m.top, m.right, m.bottom);
 }
-}
 
 QRectF IconWidgetPrivate::subtractMargin(const QRectF &rect, MarginType type) const
 {
     Q_ASSERT(activeMargins);
 
-    qreal left, top, right, bottom;
-    q->getContentsMargins(&left, &top, &right, &bottom);
-    if (type == ItemMargin && (left || top || right || bottom)) {
-        return rect.adjusted(left, top, -right, -bottom);
-    } else {
     const Margin &m = activeMargins[type];
     return rect.adjusted(m.left, m.top, -m.right, -m.bottom);
 }
-}
 
 QSizeF IconWidgetPrivate::addMargin(const QSizeF &size, MarginType type) const
 {
     Q_ASSERT(activeMargins);
 
-    qreal left, top, right, bottom;
-    q->getContentsMargins(&left, &top, &right, &bottom);
-    if (type == ItemMargin && (left || top || right || bottom)) {
-        return QSizeF(size.width() + left + right, size.height() + top + bottom);
-    } else {
     const Margin &m = activeMargins[type];
     return QSizeF(size.width() + m.left + m.right, size.height() + m.top + m.bottom);
 }
-}
 
 QSizeF IconWidgetPrivate::subtractMargin(const QSizeF &size, MarginType type) const
 {
     Q_ASSERT(activeMargins);
 
-    qreal left, top, right, bottom;
-    q->getContentsMargins(&left, &top, &right, &bottom);
-    if (type == ItemMargin && (left || top || right || bottom)) {
-        return QSizeF(size.width() - left - right, size.height() - top - bottom);
-    } else {
     const Margin &m = activeMargins[type];
     return QSizeF(size.width() - m.left - m.right, size.height() - m.top - m.bottom);
 }
+
+int IconWidgetPrivate::maxWordWidth(const QString text) const
+{
+    QFontMetricsF fm = Plasma::Theme::defaultTheme()->fontMetrics();
+    QStringList words = text.split(' ');
+
+    qreal maxWidth = 0;
+    foreach (QString word, words) {
+        maxWidth = qMax(maxWidth, fm.width(word));
+    }
+    return maxWidth;
 }
 
 QRectF IconWidgetPrivate::actionRect(ActionPosition position) const