1 /* 2 * Copyright (C) 2010 Stephan Aßmus <superstippi@gmx.de> 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #ifndef TAB_CONTAINER_VIEW_H 28 #define TAB_CONTAINER_VIEW_H 29 30 #include <GroupView.h> 31 32 33 class TabView; 34 35 36 class TabContainerView : public BGroupView { 37 public: 38 class Controller { 39 public: 40 virtual void TabSelected(int32 tabIndex) = 0; 41 virtual bool HasFrames() = 0; 42 virtual TabView* CreateTabView() = 0; 43 virtual void DoubleClickOutsideTabs() = 0; 44 virtual void UpdateTabScrollability(bool canScrollLeft, 45 bool canScrollRight) = 0; 46 virtual void SetToolTip(const BString& text) = 0; 47 }; 48 49 public: 50 TabContainerView(Controller* controller); 51 virtual ~TabContainerView(); 52 53 virtual BSize MinSize(); 54 55 virtual void MessageReceived(BMessage*); 56 57 virtual void Draw(BRect updateRect); 58 59 virtual void MouseDown(BPoint where); 60 virtual void MouseUp(BPoint where); 61 virtual void MouseMoved(BPoint where, uint32 transit, 62 const BMessage* dragMessage); 63 64 virtual void DoLayout(); 65 66 void AddTab(const char* label, int32 index = -1); 67 void AddTab(TabView* tab, int32 index = -1); 68 TabView* RemoveTab(int32 index); 69 TabView* TabAt(int32 index) const; 70 71 int32 IndexOf(TabView* tab) const; 72 73 void SelectTab(int32 tabIndex); 74 void SelectTab(TabView* tab); 75 76 void SetTabLabel(int32 tabIndex, const char* label); 77 78 void SetFirstVisibleTabIndex(int32 index); 79 int32 FirstVisibleTabIndex() const; 80 int32 MaxFirstVisibleTabIndex() const; 81 82 bool CanScrollLeft() const; 83 bool CanScrollRight() const; 84 85 private: 86 TabView* _TabAt(const BPoint& where) const; 87 void _MouseMoved(BPoint where, uint32 transit, 88 const BMessage* dragMessage); 89 void _ValidateTabVisibility(); 90 void _UpdateTabVisibility(); 91 float _AvailableWidthForTabs() const; 92 void _SendFakeMouseMoved(); 93 94 private: 95 TabView* fLastMouseEventTab; 96 bool fMouseDown; 97 uint32 fClickCount; 98 TabView* fSelectedTab; 99 Controller* fController; 100 int32 fFirstVisibleTabIndex; 101 }; 102 103 #endif // TAB_CONTAINER_VIEW_H 104