1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
// Copyright (C) 1999-2017
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#ifndef __widget_h__
#define __widget_h__
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <float.h>
#include <math.h>
#include <iostream>
#include <sstream>
#include <iomanip>
using namespace std;
#include <tcl.h>
#include <tk.h>
#include "vector.h"
class Attribute;
extern float psScale;
// General Defines
#define WIDGET(x) (*(((WidgetOptions*)(x))->widget))
// Widget ConfigSpecs Defines
#define CONFIGX 1
#define CONFIGY 2
#define CONFIGWIDTH 3
#define CONFIGHEIGHT 4
#define CONFIGANCHOR 5
#define CONFIGCOMMAND 6
#define CONFIGHELVETICA 7
#define CONFIGCOURIER 8
#define CONFIGTIMES 9
// Tk Canvas Widget Function Declarations
extern int WidgetConfigProc(Tcl_Interp*, Tk_Canvas, Tk_Item*, int,
Tcl_Obj *const [],int);
extern int WidgetCoordProc(Tcl_Interp*, Tk_Canvas, Tk_Item*, int, Tcl_Obj *const []);
extern void WidgetDeleteProc(Tk_Canvas, Tk_Item*, Display*);
extern void WidgetDisplayProc(Tk_Canvas, Tk_Item*, Display*, Drawable,
int, int, int, int);
extern double WidgetPointProc(Tk_Canvas, Tk_Item*, double*);
extern int WidgetAreaProc(Tk_Canvas, Tk_Item*, double*);
extern int WidgetPostscriptProc(Tcl_Interp*, Tk_Canvas, Tk_Item*, int);
extern void WidgetScaleProc(Tk_Canvas, Tk_Item*, double, double,
double, double);
extern void WidgetTranslateProc(Tk_Canvas, Tk_Item*, double, double);
extern int WidgetIndexProc(Tcl_Interp*, Tk_Canvas, Tk_Item*, char, int*);
extern void WidgetICursorProc(Tk_Canvas, Tk_Item*, int);
extern int WidgetSelectionProc(Tk_Canvas, Tk_Item*, int, char*, int);
extern void WidgetInsertProc(Tk_Canvas, Tk_Item*, int, char*);
extern void WidgetDCharsProc(Tk_Canvas, Tk_Item*, int, int);
extern int WidgetParse(ClientData, Tcl_Interp*, int, char**);
class Widget;
// this structure is returned by each Canvas Function Proc
struct WidgetOptions {
Tk_Item item; // required by tk
int x, y; // Coordinates of positioning point on canvas
int width; // widget width
int height; // widget height
Tk_Anchor anchor; // Where to anchor widget relative to x,y
char* cmdName; // Suggested Tcl command name
char* helvetica; // name of X11 font
char* courier; // name of X11 font
char* times; // name of X11 font
Widget* widget; // pointer to widget class
};
// Widget Class
class Widget {
friend class Attribute;
public:
enum PSColorSpace {BW, GRAY, RGB, CMYK};
Tcl_Interp* interp; // Tcl interp
protected:
WidgetOptions* options; // Pointer to Tk Options
Tk_ConfigSpec* configSpecs; // configure specs
Tk_Canvas canvas; // handle to canvas
Tk_Window tkwin; // Tk window id
Display* display; // display of canvas
Visual* visual; // visual of canvas
int depth; // depth of canvas
int screenNumber; // screen number of canvas
Pixmap pixmap; // size of canvas item
GC widgetGC; // gc for pixmap XCopyArea
int visible; // redraw when true
int originX; // widget upper left origin
int originY; // widget upper left origin
char* cmd; // actual command name used
int result; // result of TCL command
int psResolution; // postscript resolution
int psLevel; // postscript level
PSColorSpace psColorSpace; // postscript color space
protected:
virtual int updatePixmap(const BBox&) =0; // render into pixmap
virtual void invalidPixmap(); // pixmap is invalid
virtual void reset() {}; // reset widget
void createCommand(); // create tcl command
void updateBBox(); // update item bounding box
int checkArgs(int, int, char**); // check args utility
void psHead1(ostream&, int, int);
void psHead2(ostream&, int, int, const char*, const char*);
Vector psOrigin();
// void psFix(ostringstream& ostr);
public:
Widget(Tcl_Interp*, Tk_Canvas, Tk_Item*);
virtual ~Widget();
Tcl_Interp* getInterp() {return interp;}
void redraw(); // ping tk to redraw this widget
void redraw(BBox); // ping tk to redraw this bbox
void redrawNow(); // force update now this widget
void redrawNow(BBox); // force update now this bbox
void forceUpdate(); // only force update
virtual int parse(istringstream&) =0; // parse subcommands
virtual int configure(int, const char**, int); // parse config options
void error(const char*); // parse error function
void msg(const char*); // parse msg function
Tk_Window getTkwin() {return tkwin;}
Display* getDisplay() {return display;}
double getDisplayRatio();
Visual* getVisual() {return visual;}
int getWidth() {return options->width;}
int getHeight() {return options->height;}
int getDepth() {return depth;}
int getScreenNumber() {return screenNumber;}
Tk_Canvas getCanvas() {return canvas;}
int getColor(const char* str);
XColor* getXColor(const char*);
void warp(Vector&);
void warpTo(Vector&);
// Required Canvas Functions
int coordProc(int, char**);
void displayProc(Drawable, int, int, int, int);
double pointProc(double*);
int areaProc(double*);
virtual int postscriptProc(int);
void scaleProc(double, double, double, double);
void translateProc(double, double);
virtual int indexProc(char indexString, int* indexPtr) {return TCL_OK;}
virtual void icursorProc(int index) {}
virtual int selectionProc(int offset, char* buffer, int maxBytes)
{return maxBytes;}
virtual void insertProc(int index, char* string) {}
virtual void dcharsProc(int first, int last) {}
// Subcommand Functions
int configCmd(int, const char**); // configure command
void getHeightCmd(); // return height of widget
void getWidthCmd(); // return width of widget
void hideCmd(); // hide item command
void queryCursorCmd(); // get cursor coords
void resetCmd(); // reset item command
void showCmd(); // show item command
// Postscript Commands
void psLevelCmd(int l) {psLevel = l;}
void psResolutionCmd(int r) {psResolution = r;}
void psColorSpaceCmd(PSColorSpace c) {psColorSpace = c;}
#ifdef MAC_OSX_TK
virtual void macsosxPrintCmd() {}
#endif
};
#endif
|
