mess around with various QStyle settings

style.cpp

@@ -1,3 +1,6 @@
+#include <QDebug>
+#include <QPainter>
+#include <QStyleOption>
 #include "style.h"
 
 Style::Style()
@@ -8,3 +11,111 @@ Style::Style()
 Style::~Style()
 {
 }
+
+void Style::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
+                          const QWidget *w) const
+{
+    qDebug() << pe;
+
+    switch (pe) {
+    case PE_FrameFocusRect:
+        p->setPen(Qt::blue);
+        p->drawRect(opt->rect);
+        break;
+    default:
+        QCommonStyle::drawPrimitive(pe, opt, p, w);
+    }
+}
+
+void Style::drawControl(ControlElement element, const QStyleOption *opt,
+                        QPainter *p, const QWidget *widget) const
+{
+    qDebug() << element;
+
+    switch (element) {
+    /*
+    case CE_FocusFrame:
+        p->fillRect(opt->rect, opt->palette.foreground());
+        break;
+        */
+    default:
+        QCommonStyle::drawControl(element, opt, p, widget);
+    }
+}
+
+QRect Style::subElementRect(SubElement sr, const QStyleOption *opt,
+                            const QWidget *widget) const
+{
+    qDebug() << "subElementRect : " << sr;
+    qDebug() << "-----------------------------------------------";
+
+    QRect r;
+    switch (sr) {
+    case SE_PushButtonFocusRect:
+        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
+            r.setRect(btn->rect.x(), btn->rect.y(), btn->rect.width() - 1, btn->rect.height() - 1);
+            r = visualRect(opt->direction, opt->rect, r);
+        }
+        break;
+    default:
+        r = QCommonStyle::subElementRect(sr, opt, widget);
+    }
+
+    qDebug() << "r = " << r;
+    qDebug() << "===============================================";
+
+    return r;
+}
+
+void Style::drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
+                               const QWidget *w) const
+{
+    qDebug() << "drawComplexControl : " << cc;
+    qDebug() << "===============================================";
+
+    switch (cc) {
+    default:
+        return QCommonStyle::drawComplexControl(cc, opt, p, w);
+    }
+}
+
+QRect Style::subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
+                            const QWidget *w) const
+{
+    qDebug() << "subControlRect : " << cc;
+    qDebug() << "------------------------------------------------";
+
+    QRect r;
+    switch (cc) {
+    default:
+        r = QCommonStyle::subControlRect(cc, opt, sc, w);
+    }
+
+    qDebug() << "r = " << r;
+    qDebug() << "===============================================";
+
+    return r;
+}
+
+int Style::pixelMetric(PixelMetric m, const QStyleOption *opt, const QWidget *widget) const
+{
+    qDebug() << "pixelMetric : " << m;
+    qDebug() << "-----------------------------------------------";
+
+    int ret;
+
+    switch (m) {
+    case PM_FocusFrameVMargin:
+    case PM_FocusFrameHMargin:
+    case PM_DefaultFrameWidth:
+        ret = 0;
+        break;
+    default:
+        ret = QCommonStyle::pixelMetric(m, opt, widget);
+    }
+
+    qDebug() << "ret = " << ret;
+    qDebug() << "===============================================";
+
+    return ret;
+}

style.h

@@ -10,6 +10,19 @@ class Style : public QCommonStyle
 public:
     Style();
     ~Style();
+
+    void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,
+                       const QWidget *w = 0) const Q_DECL_OVERRIDE;
+    void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
+                     const QWidget *w = 0) const Q_DECL_OVERRIDE;
+
+    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const Q_DECL_OVERRIDE;
+    void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,
+                            const QWidget *w = 0) const Q_DECL_OVERRIDE;
+    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,
+                         const QWidget *w = 0) const Q_DECL_OVERRIDE;
+
+    int pixelMetric(PixelMetric m, const QStyleOption *opt = 0, const QWidget *widget = 0) const Q_DECL_OVERRIDE;
 };