新增SpkIconButton为主题和按钮工作减负

gui/spkiconbutton.cpp

@@ -0,0 +1,56 @@
+
+#include <QMargins>
+#include <QPainter>
+#include <QVariant>
+#include <QDebug>
+#include "spkiconbutton.h"
+
+SpkIconButton::SpkIconButton(QWidget *parent) :
+  QPushButton(parent)
+{
+
+}
+
+void SpkIconButton::SetIcon(QIcon i, QSize s)
+{
+  mPmapPaintedIcon = i.pixmap(s);
+
+  setFixedSize((mPmapSize  = s.grownBy(QMargins(IconMargin, IconMargin, IconMargin, IconMargin))));
+}
+
+void SpkIconButton::SetIcon(QPixmap m)
+{
+  mPmapPaintedIcon = m;
+
+  setFixedSize((mPmapSize = m.size().grownBy(QMargins(IconMargin, IconMargin,
+                                                      IconMargin, IconMargin))));
+}
+
+void SpkIconButton::SetIconSize(QSize s)
+{
+  setFixedSize((mPmapSize = s.grownBy(QMargins(IconMargin, IconMargin, IconMargin, IconMargin))));
+}
+
+void SpkIconButton::paintEvent(QPaintEvent *e)
+{
+  QPushButton::paintEvent(e);
+
+  // Paint the icon mask
+  QPainter p(this), p1(&mPmapPaintedIcon);
+  QBrush b(Qt::SolidPattern);
+
+  p.drawPixmap(IconMargin, IconMargin, mPmapPaintedIcon);
+  if(isDown() || isChecked())
+  {
+    b.setColor(SpkUi::ColorBtnMaskSelected);
+  }
+  else
+  {
+    b.setColor(SpkUi::ColorBtnMaskUnselected);
+  }
+  p1.setCompositionMode(QPainter::CompositionMode_SourceIn);
+  p1.fillRect(0, 0, mPmapSize.width(), mPmapSize.height(), b);
+  p1.end();
+  p.drawPixmap(IconMargin, IconMargin, mPmapPaintedIcon);
+  p.end();
+}