ZFUIFlowLayout.h

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#ifndef _ZFI_ZFUIFlowLayout_h_
#define _ZFI_ZFUIFlowLayout_h_
 
#include "ZFUIWidgetDef.h"
ZF_NAMESPACE_GLOBAL_BEGIN
 
// ============================================================
// ZFUIFlowLayoutParam
zfclass ZFLIB_ZFUIWidget ZFUIFlowLayoutParam : zfextend ZFUILayoutParam {
    ZFOBJECT_DECLARE(ZFUIFlowLayoutParam, ZFUILayoutParam)
 
    
    ZFPROPERTY_ASSIGN(zfbool, reserveSpace)
 
    ZFPROPERTY_ON_INIT_INLINE(ZFUIAlignFlags, align) {
        propertyValue = v_ZFUIAlign::e_Center;
    }
 
public:
    /* ZFTAG_TRICKS: util for chained call to build view tree */
    inline zfanyT<ZFUIFlowLayoutParam> child(
            ZF_IN const zfany &view
            , ZF_IN_OPT zfindex atIndex = zfindexMax()
            ) {
        return zfsuper::child(view, atIndex);
    }
};
 
// ============================================================
// ZFUIFlowLayout
zfclass ZFLIB_ZFUIWidget ZFUIFlowLayout : zfextend ZFUIView {
    ZFOBJECT_DECLARE(ZFUIFlowLayout, ZFUIView)
    ZFSTYLE_DEFAULT_DECLARE(ZFUIFlowLayout)
 
public:
    // ============================================================
    // properties
    ZFPROPERTY_ASSIGN(ZFUIOrientation, orientation, v_ZFUIOrientation::e_Left)
    ZFPROPERTY_ON_ATTACH_DECLARE(ZFUIOrientation, orientation)
    ZFPROPERTY_ASSIGN(ZFUIOrientation, orientationSecondary, v_ZFUIOrientation::e_Top)
    ZFPROPERTY_ON_ATTACH_DECLARE(ZFUIOrientation, orientationSecondary)

    ZFPROPERTY_ASSIGN(zfbool, gridMode)
    ZFPROPERTY_ON_ATTACH_DECLARE(zfbool, gridMode)

    ZFPROPERTY_ASSIGN(ZFUIScaleType, childScaleType, v_ZFUIScaleType::e_Center)
    ZFPROPERTY_ON_ATTACH_DECLARE(ZFUIScaleType, childScaleType)

    ZFPROPERTY_ASSIGN(zfindex, childCountPerLine, 0)
    ZFPROPERTY_ON_ATTACH_DECLARE(zfindex, childCountPerLine)

    ZFPROPERTY_ASSIGN(ZFUIMargin, childMargin)
    ZFPROPERTY_ON_ATTACH_DECLARE(ZFUIMargin, childMargin)

    ZFPROPERTY_ASSIGN(zffloat, childSpaceX)
    ZFPROPERTY_ON_ATTACH_DECLARE(zffloat, childSpaceX)
    ZFPROPERTY_ASSIGN(zffloat, childSpaceY)
    ZFPROPERTY_ON_ATTACH_DECLARE(zffloat, childSpaceY)
 
    // ============================================================
    // override ZFUIView
public:
    /* ZFTAG_TRICKS: util for chained call to build view tree */
    inline zfanyT<ZFUIFlowLayoutParam> child(
            ZF_IN const zfany &view
            , ZF_IN_OPT zfindex atIndex = zfindexMax()
            ) {
        return zfsuper::child(view, atIndex);
    }
protected:
    zfoverride
    virtual const ZFClass *layoutParamClass(void) {
        return ZFUIFlowLayoutParam::ClassData();
    }
 
    zfoverride
    virtual void layoutOnMeasure(
            ZF_OUT ZFUISize &ret
            , ZF_IN const ZFUISize &sizeHint
            , ZF_IN const ZFUISizeParam &sizeParam
            );
    zfoverride
    virtual void layoutOnLayout(ZF_IN const ZFUIRect &bounds);
};
 
ZF_NAMESPACE_GLOBAL_END
#endif // #ifndef _ZFI_ZFUIFlowLayout_h_