127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
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/*******************************************************************************
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/
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/ File: Dragger.h
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/
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/ Description: BDragger represents a replicant "handle."
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/
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/ Copyright 1997-98, Be Incorporated, All Rights Reserved
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/
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*******************************************************************************/
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#ifndef _DRAGGER_H
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#define _DRAGGER_H
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#include <BeBuild.h>
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#include <Locker.h>
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#include <List.h>
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#include <View.h>
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class BBitmap;
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class BMessage;
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class BShelf;
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/*----------------------------------------------------------------*/
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/*----- BDragger class -------------------------------------------*/
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class BDragger : public BView {
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public:
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BDragger(BRect bounds,
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BView *target,
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uint32 rmask = B_FOLLOW_NONE,
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uint32 flags = B_WILL_DRAW);
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BDragger(BMessage *data);
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virtual ~BDragger();
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static BArchivable *Instantiate(BMessage *data);
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virtual status_t Archive(BMessage *data, bool deep = true) const;
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virtual void AttachedToWindow();
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virtual void DetachedFromWindow();
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virtual void Draw(BRect update);
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virtual void MouseDown(BPoint where);
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virtual void MouseUp(BPoint pt);
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virtual void MouseMoved(BPoint pt, uint32 code, const BMessage *msg);
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virtual void MessageReceived(BMessage *msg);
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virtual void FrameMoved(BPoint new_position);
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virtual void FrameResized(float new_width, float new_height);
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static status_t ShowAllDraggers(); /* system wide!*/
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static status_t HideAllDraggers(); /* system wide!*/
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static bool AreDraggersDrawn();
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virtual BHandler *ResolveSpecifier(BMessage *msg,
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int32 index,
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BMessage *specifier,
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int32 form,
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const char *property);
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virtual status_t GetSupportedSuites(BMessage *data);
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virtual status_t Perform(perform_code d, void *arg);
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virtual void ResizeToPreferred();
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virtual void GetPreferredSize(float *width, float *height);
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virtual void MakeFocus(bool state = true);
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virtual void AllAttached();
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virtual void AllDetached();
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status_t SetPopUp(BPopUpMenu *context_menu);
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BPopUpMenu *PopUp() const;
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bool InShelf() const;
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BView *Target() const;
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virtual BBitmap *DragBitmap(BPoint *offset, drawing_mode *mode);
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protected:
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bool IsVisibilityChanging() const;
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/*----- Private or reserved -----------------------------------------*/
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private:
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friend class _TContainerViewFilter_;
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friend class _rep_data_;
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friend class BShelf;
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friend void _toggle_handles_(bool);
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//+virtual void _ReservedDragger1();
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virtual void _ReservedDragger2();
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virtual void _ReservedDragger3();
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virtual void _ReservedDragger4();
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BDragger &operator=(const BDragger &);
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void ListManage(bool);
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status_t determine_relationship();
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status_t SetViewToDrag(BView *target);
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void SetShelf(BShelf *);
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void SetZombied(bool state);
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void BuildDefaultPopUp();
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void ShowPopUp(BView *target, BPoint where);
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static bool sVisible;
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static bool sInited;
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static BLocker sLock;
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static BList sList;
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enum relation {
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TARGET_UNKNOWN,
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TARGET_IS_CHILD,
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TARGET_IS_PARENT,
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TARGET_IS_SIBLING
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};
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BView *fTarget;
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relation fRelation;
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BShelf *fShelf;
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bool fTransition;
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bool fIsZombie;
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char fErrCount;
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bool _unused2;
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BBitmap *fBitmap;
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BPopUpMenu *fPopUp;
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uint32 _reserved[3]; /* was 4 */
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};
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/*-------------------------------------------------------------*/
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/*-------------------------------------------------------------*/
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#endif /* _DRAGGER_H */
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