1 //------------------------------------------------------------------------------ 2 // Copyright (c) 2001-2002, OpenBeOS 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 // DEALINGS IN THE SOFTWARE. 21 // 22 // File Name: Control.h 23 // Author: Marc Flerackers (mflerackers@androme.be) 24 // Description: BControl is the base class for user-event handling objects. 25 //------------------------------------------------------------------------------ 26 27 #ifndef _CONTROL_H 28 #define _CONTROL_H 29 30 // Standard Includes ----------------------------------------------------------- 31 32 // System Includes ------------------------------------------------------------- 33 #include <BeBuild.h> 34 #include <Invoker.h> 35 #include <Message.h> /* For convenience */ 36 #include <View.h> 37 38 // Project Includes ------------------------------------------------------------ 39 40 // Local Includes -------------------------------------------------------------- 41 42 // Local Defines --------------------------------------------------------------- 43 enum { 44 B_CONTROL_OFF = 0, 45 B_CONTROL_ON = 1 46 }; 47 48 // Globals --------------------------------------------------------------------- 49 50 51 class BWindow; 52 53 // BControl class -------------------------------------------------------------- 54 class BControl : public BView, public BInvoker { 55 56 public: 57 BControl(BRect frame, 58 const char *name, 59 const char *label, 60 BMessage *message, 61 uint32 resizingMode, 62 uint32 flags); 63 BControl(const char *name, 64 const char *label, 65 BMessage *message, 66 uint32 flags); 67 virtual ~BControl(); 68 69 BControl(BMessage *archive); 70 static BArchivable *Instantiate(BMessage *archive); 71 virtual status_t Archive(BMessage *archive, bool deep = true) const; 72 73 virtual void WindowActivated(bool active); 74 virtual void AttachedToWindow(); 75 virtual void MessageReceived(BMessage *message); 76 virtual void MakeFocus(bool focused = true); 77 virtual void KeyDown(const char *bytes, int32 numBytes); 78 virtual void MouseDown(BPoint point); 79 virtual void MouseUp(BPoint point); 80 virtual void MouseMoved(BPoint point, uint32 transit, const BMessage *message); 81 virtual void DetachedFromWindow(); 82 83 virtual void SetLabel(const char *string); 84 const char *Label() const; 85 86 virtual void SetValue(int32 value); 87 int32 Value() const; 88 89 virtual void SetEnabled(bool enabled); 90 bool IsEnabled() const; 91 92 virtual void GetPreferredSize(float *width, float *height); 93 virtual void ResizeToPreferred(); 94 95 virtual status_t Invoke(BMessage *message = NULL); 96 virtual BHandler *ResolveSpecifier(BMessage *message, 97 int32 index, 98 BMessage *specifier, 99 int32 what, 100 const char *property); 101 virtual status_t GetSupportedSuites(BMessage *message); 102 103 virtual void AllAttached(); 104 virtual void AllDetached(); 105 106 virtual status_t Perform(perform_code d, void *arg); 107 108 protected: 109 110 bool IsFocusChanging() const; 111 bool IsTracking() const; 112 void SetTracking(bool state); 113 114 void SetValueNoUpdate(int32 value); 115 116 private: 117 118 virtual void _ReservedControl1(); 119 virtual void _ReservedControl2(); 120 virtual void _ReservedControl3(); 121 virtual void _ReservedControl4(); 122 123 BControl &operator=(const BControl &); 124 125 void InitData(BMessage *data = NULL); 126 127 char *fLabel; 128 int32 fValue; 129 bool fEnabled; 130 bool fFocusChanging; 131 bool fTracking; 132 bool fWantsNav; 133 uint32 _reserved[4]; 134 }; 135 //------------------------------------------------------------------------------ 136 137 #endif // _CONTROL_H 138