* Updated indentation style
* Better grouping of methods * Fixed copyright +alphabranch git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32700 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus
parent
7e43502299
commit
0a5897b71f
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@ -1,6 +1,6 @@
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/*
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* Copyright 2002-2009, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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* Copyright 2002-2009, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT license.
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*/
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#ifndef _LIST_VIEW_H
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#define _LIST_VIEW_H
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@ -22,114 +22,136 @@ enum list_view_type {
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class BListView : public BView, public BInvoker {
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public:
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BListView(BRect frame, const char* name,
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list_view_type type = B_SINGLE_SELECTION_LIST,
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uint32 resizeMask = B_FOLLOW_LEFT | B_FOLLOW_TOP,
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uint32 flags = B_WILL_DRAW | B_FRAME_EVENTS
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| B_NAVIGABLE);
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BListView(const char* name,
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list_view_type type = B_SINGLE_SELECTION_LIST,
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uint32 flags = B_WILL_DRAW | B_FRAME_EVENTS
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| B_NAVIGABLE);
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BListView(
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list_view_type type = B_SINGLE_SELECTION_LIST);
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BListView(BMessage* data);
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BListView(BRect frame, const char* name,
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list_view_type type
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= B_SINGLE_SELECTION_LIST,
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uint32 resizeMask = B_FOLLOW_LEFT
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| B_FOLLOW_TOP,
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uint32 flags = B_WILL_DRAW
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| B_FRAME_EVENTS | B_NAVIGABLE);
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BListView(const char* name,
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list_view_type type
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= B_SINGLE_SELECTION_LIST,
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uint32 flags = B_WILL_DRAW
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| B_FRAME_EVENTS | B_NAVIGABLE);
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BListView(list_view_type type
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= B_SINGLE_SELECTION_LIST);
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BListView(BMessage* data);
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virtual ~BListView();
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virtual ~BListView();
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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 Draw(BRect updateRect);
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virtual void MessageReceived(BMessage* message);
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virtual void MouseDown(BPoint where);
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virtual void KeyDown(const char* bytes, int32 numBytes);
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virtual void MakeFocus(bool state = true);
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virtual void AttachedToWindow();
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virtual void FrameResized(float newWidth, float newHeight);
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virtual void FrameMoved(BPoint newPosition);
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virtual void SetFont(const BFont* font, uint32 mask = B_FONT_ALL);
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virtual void TargetedByScrollView(BScrollView* scroller);
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virtual void ScrollTo(BPoint where);
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inline void ScrollTo(float x, float y);
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virtual bool AddItem(BListItem* item);
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virtual bool AddItem(BListItem* item, int32 atIndex);
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virtual bool AddList(BList* newItems);
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virtual bool AddList(BList* newItems, int32 atIndex);
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virtual bool RemoveItem(BListItem* item);
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virtual BListItem* RemoveItem(int32 index);
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virtual bool RemoveItems(int32 index, int32 count);
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static BArchivable* Instantiate(BMessage* data);
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virtual status_t Archive(BMessage* data,
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bool deep = true) const;
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virtual void SetSelectionMessage(BMessage* message);
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virtual void SetInvocationMessage(BMessage* message);
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virtual void Draw(BRect updateRect);
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BMessage* SelectionMessage() const;
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uint32 SelectionCommand() const;
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BMessage* InvocationMessage() const;
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uint32 InvocationCommand() const;
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virtual void AttachedToWindow();
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virtual void DetachedFromWindow();
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virtual void AllAttached();
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virtual void AllDetached();
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virtual void FrameResized(float newWidth, float newHeight);
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virtual void FrameMoved(BPoint newPosition);
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virtual void TargetedByScrollView(BScrollView* scroller);
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virtual void WindowActivated(bool state);
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virtual void SetListType(list_view_type type);
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list_view_type ListType() const;
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virtual void MessageReceived(BMessage* message);
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virtual void KeyDown(const char* bytes, int32 numBytes);
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virtual void MouseDown(BPoint where);
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virtual void MouseUp(BPoint point);
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virtual void MouseMoved(BPoint point, uint32 code,
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const BMessage* dragMessage);
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BListItem* ItemAt(int32 index) const;
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int32 IndexOf(BPoint point) const;
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int32 IndexOf(BListItem* item) const;
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BListItem* FirstItem() const;
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BListItem* LastItem() const;
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bool HasItem(BListItem* item) const;
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int32 CountItems() const;
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virtual void MakeEmpty();
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bool IsEmpty() const;
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void DoForEach(bool (*func)(BListItem* item));
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void DoForEach(bool (*func)(BListItem* item, void* arg),
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void* arg);
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const BListItem** Items() const;
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void InvalidateItem(int32 index);
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void ScrollToSelection();
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virtual bool InitiateDrag(BPoint point, int32 itemIndex,
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bool initialySelected);
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void Select(int32 index, bool extend = false);
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void Select(int32 from, int32 to, bool extend = false);
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bool IsItemSelected(int32 index) const;
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int32 CurrentSelection(int32 index = 0) const;
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virtual status_t Invoke(BMessage* message = NULL);
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virtual void ResizeToPreferred();
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virtual void GetPreferredSize(float* _width,
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float* _height);
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void DeselectAll();
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void DeselectExcept(int32 exceptFrom, int32 exceptTo);
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void Deselect(int32 index);
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virtual BSize MinSize();
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virtual BSize MaxSize();
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virtual BSize PreferredSize();
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virtual void SelectionChanged();
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virtual void MakeFocus(bool state = true);
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void SortItems(int (*cmp)(const void*, const void*));
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virtual void SetFont(const BFont* font, uint32 mask
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= B_FONT_ALL);
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virtual void ScrollTo(BPoint where);
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inline void ScrollTo(float x, float y);
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/* These functions bottleneck through DoMiscellaneous() */
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bool SwapItems(int32 a, int32 b);
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bool MoveItem(int32 from, int32 to);
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bool ReplaceItem(int32 index, BListItem* item);
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virtual bool AddItem(BListItem* item);
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virtual bool AddItem(BListItem* item, int32 atIndex);
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virtual bool AddList(BList* newItems);
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virtual bool AddList(BList* newItems, int32 atIndex);
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virtual bool RemoveItem(BListItem* item);
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virtual BListItem* RemoveItem(int32 index);
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virtual bool RemoveItems(int32 index, int32 count);
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BRect ItemFrame(int32 index);
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virtual void SetSelectionMessage(BMessage* message);
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virtual void SetInvocationMessage(BMessage* message);
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virtual BHandler* ResolveSpecifier(BMessage* message, int32 index,
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BMessage* specifier, int32 form,
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const char* property);
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virtual status_t GetSupportedSuites(BMessage* data);
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BMessage* SelectionMessage() const;
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uint32 SelectionCommand() const;
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BMessage* InvocationMessage() const;
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uint32 InvocationCommand() const;
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virtual status_t Perform(perform_code code, void* arg);
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virtual void SetListType(list_view_type type);
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list_view_type ListType() const;
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virtual void WindowActivated(bool state);
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virtual void MouseUp(BPoint point);
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virtual void MouseMoved(BPoint point, uint32 code,
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const BMessage* dragMessage);
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virtual void DetachedFromWindow();
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virtual bool InitiateDrag(BPoint point, int32 itemIndex,
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bool initialySelected);
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BListItem* ItemAt(int32 index) const;
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int32 IndexOf(BPoint point) const;
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int32 IndexOf(BListItem* item) const;
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BListItem* FirstItem() const;
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BListItem* LastItem() const;
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bool HasItem(BListItem* item) const;
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int32 CountItems() const;
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virtual void MakeEmpty();
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bool IsEmpty() const;
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void DoForEach(bool (*func)(BListItem* item));
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void DoForEach(bool (*func)(BListItem* item,
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void* arg), void* arg);
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const BListItem** Items() const;
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void InvalidateItem(int32 index);
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void ScrollToSelection();
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virtual void ResizeToPreferred();
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virtual void GetPreferredSize(float* _width, float* _height);
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virtual void AllAttached();
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virtual void AllDetached();
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void Select(int32 index, bool extend = false);
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void Select(int32 from, int32 to,
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bool extend = false);
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bool IsItemSelected(int32 index) const;
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int32 CurrentSelection(int32 index = 0) const;
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virtual status_t Invoke(BMessage* message = NULL);
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virtual BSize MinSize();
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virtual BSize MaxSize();
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virtual BSize PreferredSize();
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void DeselectAll();
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void DeselectExcept(int32 exceptFrom,
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int32 exceptTo);
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void Deselect(int32 index);
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virtual void SelectionChanged();
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void SortItems(int (*cmp)(const void*,
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const void*));
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// These functions bottleneck through DoMiscellaneous()
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bool SwapItems(int32 a, int32 b);
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bool MoveItem(int32 from, int32 to);
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bool ReplaceItem(int32 index, BListItem* item);
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BRect ItemFrame(int32 index);
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virtual BHandler* ResolveSpecifier(BMessage* message,
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int32 index, BMessage* specifier,
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int32 form, const char* property);
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virtual status_t GetSupportedSuites(BMessage* data);
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virtual status_t Perform(perform_code code, void* arg);
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private:
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virtual void _ReservedListView2();
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virtual void _ReservedListView3();
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virtual void _ReservedListView4();
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BListView& operator=(const BListView& other);
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protected:
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enum MiscCode { B_NO_OP, B_REPLACE_OP, B_MOVE_OP, B_SWAP_OP };
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@ -140,48 +162,44 @@ protected:
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struct Swap { int32 a; int32 b; } swap;
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};
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virtual bool DoMiscellaneous(MiscCode code, MiscData* data);
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virtual bool DoMiscellaneous(MiscCode code, MiscData* data);
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private:
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friend class BOutlineListView;
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virtual void _ReservedListView2();
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virtual void _ReservedListView3();
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virtual void _ReservedListView4();
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void _InitObject(list_view_type type);
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void _FixupScrollBar();
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void _InvalidateFrom(int32 index);
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status_t _PostMessage(BMessage* message);
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void _FontChanged();
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int32 _RangeCheck(int32 index);
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bool _Select(int32 index, bool extend);
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bool _Select(int32 from, int32 to, bool extend);
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bool _Deselect(int32 index);
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bool _DeselectAll(int32 exceptFrom, int32 exceptTo);
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int32 _CalcFirstSelected(int32 after);
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int32 _CalcLastSelected(int32 before);
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void _RecalcItemTops(int32 start, int32 end = -1);
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BListView& operator=(const BListView& other);
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virtual void DrawItem(BListItem* item, BRect itemRect,
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bool complete = false);
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void _InitObject(list_view_type type);
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void _FixupScrollBar();
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void _InvalidateFrom(int32 index);
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status_t _PostMessage(BMessage* message);
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void _FontChanged();
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int32 _RangeCheck(int32 index);
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bool _Select(int32 index, bool extend);
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bool _Select(int32 from, int32 to, bool extend);
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bool _Deselect(int32 index);
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bool _DeselectAll(int32 exceptFrom, int32 exceptTo);
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int32 _CalcFirstSelected(int32 after);
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int32 _CalcLastSelected(int32 before);
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void _RecalcItemTops(int32 start, int32 end = -1);
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virtual void DrawItem(BListItem* item, BRect itemRect,
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bool complete = false);
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bool _SwapItems(int32 a, int32 b);
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bool _MoveItem(int32 from, int32 to);
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bool _ReplaceItem(int32 index, BListItem* item);
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void _RescanSelection(int32 from, int32 to);
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bool _SwapItems(int32 a, int32 b);
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bool _MoveItem(int32 from, int32 to);
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bool _ReplaceItem(int32 index, BListItem* item);
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void _RescanSelection(int32 from, int32 to);
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private:
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BList fList;
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list_view_type fListType;
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int32 fFirstSelected;
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int32 fLastSelected;
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int32 fAnchorIndex;
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BMessage* fSelectMessage;
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BScrollView* fScrollView;
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track_data* fTrack;
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BList fList;
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list_view_type fListType;
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int32 fFirstSelected;
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int32 fLastSelected;
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int32 fAnchorIndex;
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BMessage* fSelectMessage;
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BScrollView* fScrollView;
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track_data* fTrack;
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uint32 _reserved[4];
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uint32 _reserved[4];
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};
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@ -191,4 +209,4 @@ BListView::ScrollTo(float x, float y)
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ScrollTo(BPoint(x, y));
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}
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#endif /* _LIST_VIEW_H */
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#endif // _LIST_VIEW_H
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2001-2009, Haiku, Inc.
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* Copyright 2001-2009, Haiku, Inc. All rights resrerved.
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* Distributed under the terms of the MIT license.
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*
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* Authors:
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@ -135,6 +135,9 @@ BListView::~BListView()
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}
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// #pragma mark -
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BArchivable*
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BListView::Instantiate(BMessage* archive)
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{
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@ -178,6 +181,9 @@ BListView::Archive(BMessage* archive, bool deep) const
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}
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// #pragma mark -
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void
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BListView::Draw(BRect updateRect)
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{
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@ -198,6 +204,71 @@ BListView::Draw(BRect updateRect)
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}
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void
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BListView::AttachedToWindow()
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{
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BView::AttachedToWindow();
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_FontChanged();
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if (!Messenger().IsValid())
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SetTarget(Window(), NULL);
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_FixupScrollBar();
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}
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void
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BListView::DetachedFromWindow()
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{
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BView::DetachedFromWindow();
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}
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void
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BListView::AllAttached()
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{
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BView::AllAttached();
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}
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void
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BListView::AllDetached()
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{
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BView::AllDetached();
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}
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void
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BListView::FrameResized(float width, float height)
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{
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_FixupScrollBar();
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}
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void
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BListView::FrameMoved(BPoint new_position)
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{
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BView::FrameMoved(new_position);
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}
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void
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BListView::TargetedByScrollView(BScrollView *view)
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{
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fScrollView = view;
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}
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void
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BListView::WindowActivated(bool state)
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{
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BView::WindowActivated(state);
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}
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// #pragma mark -
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void
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BListView::MessageReceived(BMessage* msg)
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{
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|
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@ -215,7 +286,8 @@ BListView::MessageReceived(BMessage* msg)
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|| specifier.FindString("property", &property) != B_OK)
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return;
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switch (propInfo.FindMatch(msg, 0, &specifier, msg->what, property)) {
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switch (propInfo.FindMatch(msg, 0, &specifier, msg->what,
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property)) {
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case B_ERROR:
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BView::MessageReceived(msg);
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break;
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@ -301,6 +373,96 @@ BListView::MessageReceived(BMessage* msg)
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}
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void
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BListView::KeyDown(const char *bytes, int32 numBytes)
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{
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bool extend
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= fListType == B_MULTIPLE_SELECTION_LIST
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&& (modifiers() & B_SHIFT_KEY) != 0;
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switch (bytes[0]) {
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case B_UP_ARROW:
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{
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if (fFirstSelected == -1) {
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// if nothing is selected yet, always select the first item
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Select(0);
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} else {
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if (fAnchorIndex > 0) {
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if (!extend || fAnchorIndex <= fFirstSelected)
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Select(fAnchorIndex - 1, extend);
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else
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Deselect(fAnchorIndex--);
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}
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}
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ScrollToSelection();
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break;
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}
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case B_DOWN_ARROW:
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{
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if (fFirstSelected == -1) {
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// if nothing is selected yet, always select the first item
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Select(0);
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} else {
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if (fAnchorIndex < CountItems() - 1) {
|
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if (!extend || fAnchorIndex >= fLastSelected)
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Select(fAnchorIndex + 1, extend);
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else
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Deselect(fAnchorIndex++);
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}
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}
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ScrollToSelection();
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break;
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}
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case B_HOME:
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if (extend) {
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Select(0, fAnchorIndex, true);
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fAnchorIndex = 0;
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} else
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Select(0, false);
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ScrollToSelection();
|
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break;
|
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case B_END:
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if (extend) {
|
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Select(fAnchorIndex, CountItems() - 1, true);
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fAnchorIndex = CountItems() - 1;
|
||||
} else
|
||||
Select(CountItems() - 1, false);
|
||||
ScrollToSelection();
|
||||
break;
|
||||
|
||||
case B_PAGE_UP:
|
||||
{
|
||||
BPoint scrollOffset(LeftTop());
|
||||
scrollOffset.y = max_c(0, scrollOffset.y - Bounds().Height());
|
||||
ScrollTo(scrollOffset);
|
||||
break;
|
||||
}
|
||||
case B_PAGE_DOWN:
|
||||
{
|
||||
BPoint scrollOffset(LeftTop());
|
||||
if (BListItem* item = LastItem()) {
|
||||
scrollOffset.y += Bounds().Height();
|
||||
scrollOffset.y = min_c(item->Bottom() - Bounds().Height(),
|
||||
scrollOffset.y);
|
||||
}
|
||||
ScrollTo(scrollOffset);
|
||||
break;
|
||||
}
|
||||
|
||||
case B_RETURN:
|
||||
case B_SPACE:
|
||||
Invoke();
|
||||
break;
|
||||
|
||||
default:
|
||||
BView::KeyDown(bytes, numBytes);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::MouseDown(BPoint point)
|
||||
{
|
||||
|
|
@ -408,96 +570,74 @@ BListView::MouseMoved(BPoint where, uint32 code, const BMessage* dragMessage)
|
|||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::KeyDown(const char *bytes, int32 numBytes)
|
||||
bool
|
||||
BListView::InitiateDrag(BPoint point, int32 index, bool wasSelected)
|
||||
{
|
||||
bool extend
|
||||
= fListType == B_MULTIPLE_SELECTION_LIST
|
||||
&& (modifiers() & B_SHIFT_KEY) != 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
switch (bytes[0]) {
|
||||
case B_UP_ARROW:
|
||||
{
|
||||
if (fFirstSelected == -1) {
|
||||
// if nothing is selected yet, always select the first item
|
||||
Select(0);
|
||||
} else {
|
||||
if (fAnchorIndex > 0) {
|
||||
if (!extend || fAnchorIndex <= fFirstSelected)
|
||||
Select(fAnchorIndex - 1, extend);
|
||||
else
|
||||
Deselect(fAnchorIndex--);
|
||||
}
|
||||
}
|
||||
|
||||
ScrollToSelection();
|
||||
break;
|
||||
}
|
||||
case B_DOWN_ARROW:
|
||||
{
|
||||
if (fFirstSelected == -1) {
|
||||
// if nothing is selected yet, always select the first item
|
||||
Select(0);
|
||||
} else {
|
||||
if (fAnchorIndex < CountItems() - 1) {
|
||||
if (!extend || fAnchorIndex >= fLastSelected)
|
||||
Select(fAnchorIndex + 1, extend);
|
||||
else
|
||||
Deselect(fAnchorIndex++);
|
||||
}
|
||||
}
|
||||
// #pragma mark -
|
||||
|
||||
ScrollToSelection();
|
||||
break;
|
||||
|
||||
void
|
||||
BListView::ResizeToPreferred()
|
||||
{
|
||||
BView::ResizeToPreferred();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::GetPreferredSize(float* _width, float* _height)
|
||||
{
|
||||
int32 count = CountItems();
|
||||
|
||||
if (count > 0) {
|
||||
float maxWidth = 0.0;
|
||||
for (int32 i = 0; i < count; i++) {
|
||||
float itemWidth = ItemAt(i)->Width();
|
||||
if (itemWidth > maxWidth)
|
||||
maxWidth = itemWidth;
|
||||
}
|
||||
|
||||
case B_HOME:
|
||||
if (extend) {
|
||||
Select(0, fAnchorIndex, true);
|
||||
fAnchorIndex = 0;
|
||||
} else
|
||||
Select(0, false);
|
||||
ScrollToSelection();
|
||||
break;
|
||||
case B_END:
|
||||
if (extend) {
|
||||
Select(fAnchorIndex, CountItems() - 1, true);
|
||||
fAnchorIndex = CountItems() - 1;
|
||||
} else
|
||||
Select(CountItems() - 1, false);
|
||||
ScrollToSelection();
|
||||
break;
|
||||
|
||||
case B_PAGE_UP:
|
||||
{
|
||||
BPoint scrollOffset(LeftTop());
|
||||
scrollOffset.y = max_c(0, scrollOffset.y - Bounds().Height());
|
||||
ScrollTo(scrollOffset);
|
||||
break;
|
||||
}
|
||||
case B_PAGE_DOWN:
|
||||
{
|
||||
BPoint scrollOffset(LeftTop());
|
||||
if (BListItem* item = LastItem()) {
|
||||
scrollOffset.y += Bounds().Height();
|
||||
scrollOffset.y = min_c(item->Bottom() - Bounds().Height(),
|
||||
scrollOffset.y);
|
||||
}
|
||||
ScrollTo(scrollOffset);
|
||||
break;
|
||||
}
|
||||
|
||||
case B_RETURN:
|
||||
case B_SPACE:
|
||||
Invoke();
|
||||
break;
|
||||
|
||||
default:
|
||||
BView::KeyDown(bytes, numBytes);
|
||||
if (_width != NULL)
|
||||
*_width = maxWidth;
|
||||
if (_height != NULL)
|
||||
*_height = ItemAt(count - 1)->Bottom();
|
||||
} else {
|
||||
BView::GetPreferredSize(_width, _height);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
BSize
|
||||
BListView::MinSize()
|
||||
{
|
||||
// We need a stable min size: the BView implementation uses
|
||||
// GetPreferredSize(), which by default just returns the current size.
|
||||
return BLayoutUtils::ComposeSize(ExplicitMinSize(), BSize(10, 10));
|
||||
}
|
||||
|
||||
|
||||
BSize
|
||||
BListView::MaxSize()
|
||||
{
|
||||
return BView::MaxSize();
|
||||
}
|
||||
|
||||
|
||||
BSize
|
||||
BListView::PreferredSize()
|
||||
{
|
||||
// We need a stable preferred size: the BView implementation uses
|
||||
// GetPreferredSize(), which by default just returns the current size.
|
||||
return BLayoutUtils::ComposeSize(ExplicitPreferredSize(), BSize(100, 50));
|
||||
}
|
||||
|
||||
|
||||
// #pragma mark -
|
||||
|
||||
|
||||
void
|
||||
BListView::MakeFocus(bool focused)
|
||||
{
|
||||
|
|
@ -511,33 +651,6 @@ BListView::MakeFocus(bool focused)
|
|||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::AttachedToWindow()
|
||||
{
|
||||
BView::AttachedToWindow();
|
||||
_FontChanged();
|
||||
|
||||
if (!Messenger().IsValid())
|
||||
SetTarget(Window(), NULL);
|
||||
|
||||
_FixupScrollBar();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::FrameResized(float width, float height)
|
||||
{
|
||||
_FixupScrollBar();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::FrameMoved(BPoint new_position)
|
||||
{
|
||||
BView::FrameMoved(new_position);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::SetFont(const BFont* font, uint32 mask)
|
||||
{
|
||||
|
|
@ -546,13 +659,6 @@ BListView::SetFont(const BFont* font, uint32 mask)
|
|||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::TargetedByScrollView(BScrollView *view)
|
||||
{
|
||||
fScrollView = view;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::ScrollTo(BPoint point)
|
||||
{
|
||||
|
|
@ -560,6 +666,9 @@ BListView::ScrollTo(BPoint point)
|
|||
}
|
||||
|
||||
|
||||
// #pragma mark - List ops
|
||||
|
||||
|
||||
bool
|
||||
BListView::AddItem(BListItem *item, int32 index)
|
||||
{
|
||||
|
|
@ -1119,6 +1228,9 @@ BListView::ItemFrame(int32 index)
|
|||
}
|
||||
|
||||
|
||||
// #pragma mark -
|
||||
|
||||
|
||||
BHandler*
|
||||
BListView::ResolveSpecifier(BMessage* message, int32 index,
|
||||
BMessage* specifier, int32 form, const char* property)
|
||||
|
|
@ -1210,96 +1322,6 @@ BListView::Perform(perform_code code, void* _data)
|
|||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::WindowActivated(bool state)
|
||||
{
|
||||
BView::WindowActivated(state);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::DetachedFromWindow()
|
||||
{
|
||||
BView::DetachedFromWindow();
|
||||
}
|
||||
|
||||
|
||||
bool
|
||||
BListView::InitiateDrag(BPoint point, int32 index, bool wasSelected)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::ResizeToPreferred()
|
||||
{
|
||||
BView::ResizeToPreferred();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::GetPreferredSize(float* _width, float* _height)
|
||||
{
|
||||
int32 count = CountItems();
|
||||
|
||||
if (count > 0) {
|
||||
float maxWidth = 0.0;
|
||||
for (int32 i = 0; i < count; i++) {
|
||||
float itemWidth = ItemAt(i)->Width();
|
||||
if (itemWidth > maxWidth)
|
||||
maxWidth = itemWidth;
|
||||
}
|
||||
|
||||
if (_width != NULL)
|
||||
*_width = maxWidth;
|
||||
if (_height != NULL)
|
||||
*_height = ItemAt(count - 1)->Bottom();
|
||||
} else {
|
||||
BView::GetPreferredSize(_width, _height);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::AllAttached()
|
||||
{
|
||||
BView::AllAttached();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BListView::AllDetached()
|
||||
{
|
||||
BView::AllDetached();
|
||||
}
|
||||
|
||||
|
||||
BSize
|
||||
BListView::MinSize()
|
||||
{
|
||||
// We need a stable min size: the BView implementation uses
|
||||
// GetPreferredSize(), which by default just returns the current size.
|
||||
return BLayoutUtils::ComposeSize(ExplicitMinSize(), BSize(10, 10));
|
||||
}
|
||||
|
||||
|
||||
BSize
|
||||
BListView::MaxSize()
|
||||
{
|
||||
return BView::MaxSize();
|
||||
}
|
||||
|
||||
|
||||
BSize
|
||||
BListView::PreferredSize()
|
||||
{
|
||||
// We need a stable preferred size: the BView implementation uses
|
||||
// GetPreferredSize(), which by default just returns the current size.
|
||||
return BLayoutUtils::ComposeSize(ExplicitPreferredSize(), BSize(100, 50));
|
||||
}
|
||||
|
||||
|
||||
bool
|
||||
BListView::DoMiscellaneous(MiscCode code, MiscData* data)
|
||||
{
|
||||
|
|
@ -1324,6 +1346,9 @@ BListView::DoMiscellaneous(MiscCode code, MiscData* data)
|
|||
}
|
||||
|
||||
|
||||
// #pragma mark -
|
||||
|
||||
|
||||
void BListView::_ReservedListView2() {}
|
||||
void BListView::_ReservedListView3() {}
|
||||
void BListView::_ReservedListView4() {}
|
||||
|
|
@ -1336,6 +1361,9 @@ BListView::operator=(const BListView& /*other*/)
|
|||
}
|
||||
|
||||
|
||||
// #pragma mark -
|
||||
|
||||
|
||||
void
|
||||
BListView::_InitObject(list_view_type type)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue