1 /* 2 * Copyright 2006 Haiku, Inc. All Rights Reserved. 3 * Copyright 1997, 1998 R3 Software Ltd. All Rights Reserved. 4 * Distributed under the terms of the MIT License. 5 * 6 * Authors: 7 * Timothy Wayper <timmy@wunderbear.com> 8 * Stephan Aßmus <superstippi@gmx.de> 9 */ 10 11 #ifndef _CALC_VIEW_H 12 #define _CALC_VIEW_H 13 14 #include <View.h> 15 16 class BString; 17 class BMenuItem; 18 class BPopUpMenu; 19 class CalcOptions; 20 class CalcOptionsWindow; 21 class ExpressionTextView; 22 23 _EXPORT 24 class CalcView : public BView { 25 public: 26 27 static CalcView* Instantiate(BMessage* archive); 28 29 30 CalcView(BRect frame, 31 rgb_color rgbBaseColor, 32 BMessage *settings); 33 34 CalcView(BMessage* archive); 35 36 virtual ~CalcView(); 37 38 virtual void AttachedToWindow(); 39 virtual void MessageReceived(BMessage* message); 40 virtual void Draw(BRect updateRect); 41 virtual void MouseDown(BPoint point); 42 virtual void MouseUp(BPoint point); 43 virtual void KeyDown(const char* bytes, int32 numBytes); 44 virtual void MakeFocus(bool focused = true); 45 virtual void FrameResized(float width, float height); 46 47 // Present about box for view (replicant). 48 virtual void AboutRequested(); 49 50 // Archive this view. 51 virtual status_t Archive(BMessage* archive, bool deep) const; 52 53 // Cut contents of view to system clipboard. 54 void Cut(); 55 56 // Copy contents of view to system clipboard. 57 void Copy(); 58 59 // Paste contents of system clipboard to view. 60 void Paste(BMessage *message); 61 62 // Save current settings 63 status_t SaveSettings(BMessage* archive) const; 64 65 void Evaluate(); 66 67 void FlashKey(const char* bytes, int32 numBytes); 68 69 private: 70 void _ParseCalcDesc(const char* keypadDescription); 71 72 void _PressKey(int key); 73 void _PressKey(const char* label); 74 int32 _KeyForLabel(const char* label) const; 75 void _FlashKey(int32 key, uint32 flashFlags); 76 void _AudioFeedback(bool inBackGround); 77 78 void _Colorize(); 79 80 void _CreatePopUpMenu(); 81 82 BRect _ExpressionRect() const; 83 BRect _KeypadRect() const; 84 85 void _ShowKeypad(bool show); 86 void _FetchAppIcon(BBitmap* into); 87 88 status_t _LoadSettings(BMessage* archive); 89 90 // grid dimensions 91 int16 fColums; 92 int16 fRows; 93 94 // color scheme 95 rgb_color fBaseColor; 96 rgb_color fLightColor; 97 rgb_color fDarkColor; 98 rgb_color fButtonTextColor; 99 rgb_color fExpressionBGColor; 100 rgb_color fExpressionTextColor; 101 102 // view dimensions 103 float fWidth; 104 float fHeight; 105 106 // keypad grid 107 struct CalcKey; 108 109 char* fKeypadDescription; 110 CalcKey* fKeypad; 111 112 // icon 113 BBitmap* fCalcIcon; 114 115 // expression 116 ExpressionTextView* fExpressionTextView; 117 118 // pop-up context menu. 119 BPopUpMenu* fPopUpMenu; 120 BMenuItem* fAutoNumlockItem; 121 BMenuItem* fAudioFeedbackItem; 122 BMenuItem* fShowKeypadItem; 123 BMenuItem* fAboutItem; 124 125 // calculator options. 126 CalcOptions* fOptions; 127 bool fShowKeypad; 128 }; 129 130 #endif // _CALC_VIEW_H 131