player: add button class

SmartElec · May 21, 2013 · 4c0fd12 · 4c0fd12
1 parent bfa2943
commit 4c0fd12
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Showing 3 changed files with 158 additions and 0 deletions.
diff --git a/examples/simpleplayer/Button.cpp b/examples/simpleplayer/Button.cpp
@@ -0,0  1,107 @@
 #include "Button.h"
 
 Button::Button(QWidget *parent) :
     QPushButton(parent)
   , mState(NotFocused)
 {
 }
 
 Button::Button(const QString& text, QWidget *parent) :
     QPushButton(text, parent)
   , mState(NotFocused)
 {
 }
 
 Button::~Button()
 {
 }
 
 Button::IconState Button::iconState() const
 {
     return mState;
 }
 
 void Button::setIconState(IconState state, bool force)
 {
     if (mState == state && !force)
         return;
     mState = state;
     setIcon(iconForState(mState));
 }
 
 QIcon Button::iconForState(IconState state) const
 {
     if (!mIcons.contains(state))
         return mIcons.begin().value();
     return mIcons.value(state);;
 }
 
 void Button::setIconForState(IconState state, const QIcon &icon)
 {
     mIcons.insert(state, icon);
 }
 
 void Button::setIconWithSates(const QPixmap &pixmap, IconState s1, IconState s2, IconState s3, IconState s4)
 {
     int a = pixmap.width();
     int b = pixmap.height();
     int count = qMax(a, b)/qMin(a, b);
     bool hor = pixmap.height() < pixmap.width();
     QPoint dp;
     if (hor) {
         a /= count;
         dp.setX(a);
     } else {
         b /= count;
         dp.setY(b);
     }
     QRect r(0, 0, a, b);
     setIconForState(s1, pixmap.copy(r));
     if (count > 1) {
         r.translate(dp);
         setIconForState(s2, pixmap.copy(r));
         if (count > 2) {
             r.translate(dp);
             setIconForState(s3, pixmap.copy(r));
             if (count > 3) {
                 r.translate(dp);
                 setIconForState(s4, pixmap.copy(r));
             }
         }
     }
     setIconState(iconState(), true); //TODO: other states set to existing icon
 }
 
 void Button::enterEvent(QEvent *e)
 {
     QPushButton::enterEvent(e);
     if (mIcons.isEmpty())
         return;
     setIconState(Focused);
     emit entered();
 }
 
 void Button::leaveEvent(QEvent *e)
 {
     QPushButton::leaveEvent(e);
     if (mIcons.isEmpty())
         return;
     setIconState(NotFocused);
     emit leaved();
 }
 
 void Button::mousePressEvent(QMouseEvent *e)
 {
     QPushButton::mousePressEvent(e);
     if (mIcons.isEmpty())
         return;
     setIconState(Pressed);
 }
 
 void Button::mouseReleaseEvent(QMouseEvent *e)
 {
     QPushButton::mouseReleaseEvent(e);
     if (mIcons.isEmpty())
         return;
     setIconState(Focused);
 }
diff --git a/examples/simpleplayer/Button.h b/examples/simpleplayer/Button.h
@@ -0,0  1,48 @@
 #ifndef BUTTON_H
 #define BUTTON_H
 
 //TODO: on/off, like qicon
 
 #include <QPushButton>
 #include <QMap>
 
 class Button : public QPushButton
 {
     Q_OBJECT
 public:
     //like QIcon::Mode
     //use icon state to avoid setIcon with the same icon
     enum IconState {
         Disabled, //inactive
         Pressed, //focused and pressed
         Focused, //mouse enter
         NotFocused //mouse leave
     };
 
     explicit Button(QWidget *parent = 0);
     explicit Button(const QString& text, QWidget *parent = 0);
     virtual ~Button();
     IconState iconState() const;
     void setIconState(IconState state, bool force = false);
     QIcon iconForState(IconState state) const;
     void setIconForState(IconState state, const QIcon& icon);
 
     void setIconWithSates(const QPixmap& pixmap, IconState s1 = NotFocused, IconState s2 = Disabled
             , IconState s3 = Pressed, IconState s4 = Focused);
 signals:
     void entered();
     void leaved();
 
 protected:
     //for change icon.
     virtual void enterEvent(QEvent *);
     virtual void leaveEvent(QEvent *);
     virtual void mousePressEvent(QMouseEvent *e);
     virtual void mouseReleaseEvent(QMouseEvent *e);
 
 private:
     IconState mState;
     QMap<IconState, QIcon> mIcons;
 };
 
 #endif // BUTTON_H
diff --git a/examples/simpleplayer/simpleplayer.pro b/examples/simpleplayer/simpleplayer.pro
@@ -9,11  9,14 @@ preparePaths($$OUT_PWD/../../out)
 
 SOURCES  = main.cpp \
     MainWindow.cpp \
     Button.cpp \
     Slider.cpp
 
 HEADERS  = \
     MainWindow.h \
     Button.h \
     Slider.h
 
 
 include($$PROJECTROOT/deploy.pri)