Laxkit  0.0.7.1
captioninterface.h
1 //
2 //
3 // The Laxkit, a windowing toolkit
4 // Please consult http://laxkit.sourceforge.net about where to send any
5 // correspondence about this software.
6 //
7 // This library is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU Library General Public
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10 // version 2 of the License, or (at your option) any later version.
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12 // This library is distributed in the hope that it will be useful,
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14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // Library General Public License for more details.
16 //
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20 //
21 // Copyright (C) 2013 by Tom Lechner
22 //
23 #ifndef _LAX_CAPTIONINTERFACE_H
24 #define _LAX_CAPTIONINTERFACE_H
25 
26 #include <lax/interfaces/aninterface.h>
27 #include <lax/interfaces/somedata.h>
28 #include <lax/laximages.h>
29 
30 
31 
32 namespace LaxInterfaces {
33 
34 //--------------------------------- CaptionData -------------------------------
35 class CaptionData : public SomeData
36 {
37  public:
38  int state; //1 if lengths found
39 
40  char *fontname, *fontstyle, *fontfile;
41  double fontsize;
42  Laxkit::LaxFont *font;
43  double red,green,blue,alpha; //[0..1]
44  double xcentering,ycentering; //around origin
45 
46  Laxkit::PtrStack<char> lines;
47  Laxkit::NumStack<double> linelengths;
48 
49  virtual const char *whattype() { return "CaptionData"; }
50  CaptionData(const char *ntext, const char *nfontname, const char *nfontstyle, int fsize, double xcenter, double ycenter);
51  virtual ~CaptionData();
52  virtual int SetText(const char *newtext);
53  virtual double XCenter(double xcenter);
54  virtual double XCenter() { return xcentering; }
55  virtual double YCenter(double ycenter);
56  virtual double YCenter() { return ycentering; }
57  virtual void FindBBox();
58 
59  virtual int CharLen(int line);
60  virtual int ComputeLineLen(int line);
61  virtual int DeleteChar(int line,int pos,int after, int *newline,int *newpos);
62  virtual int InsertChar(unsigned int ch, int line,int pos, int *newline,int *newpos);
63 
64  virtual void dump_out(FILE *f,int indent,int what,Laxkit::anObject *context);
65  virtual void dump_in_atts(LaxFiles::Attribute *att,int flag,Laxkit::anObject *context);
66 };
67 
68 //--------------------------------- CaptionInterface -------------------------------
69 class CaptionInterface : public anInterface
70 {
71  protected:
72  int mode,mousedragged;
73  flatpoint leftp;
74  int mx,my,lx,ly;
75  int caretline,caretpos;
76  public:
77  int showdecs;
78  CaptionData *data;
79  ObjectContext *coc;
80 
81  CaptionInterface(int nid,Laxkit::Displayer *ndp, const char *newtext);
82  virtual ~CaptionInterface();
83  virtual anInterface *duplicate(anInterface *dup);
84  virtual const char *IconId() { return "Caption"; }
85  virtual const char *Name();
86  virtual const char *whattype() { return "CaptionInterface"; }
87  virtual const char *whatdatatype() { return "CaptionData"; }
88  virtual void deletedata();
89  virtual ObjectContext *Context();
90  virtual int LBDown(int x,int y,unsigned int state,int count, const Laxkit::LaxMouse *d);
91  virtual int LBUp(int x,int y,unsigned int state, const Laxkit::LaxMouse *d);
92  virtual int MouseMove(int x,int y,unsigned int state, const Laxkit::LaxMouse *d);
93  virtual int CharInput(unsigned int ch,const char *buffer,int len,unsigned int state, const Laxkit::LaxKeyboard *d);
94  virtual int KeyUp(unsigned int ch,unsigned int state, const Laxkit::LaxKeyboard *d);
95  virtual int Refresh();
96  virtual int DrawData(Laxkit::anObject *ndata,Laxkit::anObject *a1=NULL,Laxkit::anObject *a2=NULL,int info=0);
97  virtual int UseThis(Laxkit::anObject *nobj,unsigned int mask=0);
98  virtual CaptionData *newData();
99  virtual int InterfaceOn();
100  virtual int InterfaceOff();
101  virtual void Clear(SomeData *d);
102 };
103 
104 
105 } // namespace LaxInterfaces
106 
107 #endif
108 
Mon Feb 17 2014 11:52:56, Laxkit