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
|
/*
* Smithsonian Astrophysical Observatory, Cambridge, MA, USA
* This code has been modified under the terms listed below and is made
* available under the same terms.
*/
/*
* Copyright 1993-2004 George A Howlett.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
* KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
* OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __BltGrLegend_h__
#define __BltGrLegend_h__
#include <tk.h>
#include "bltGrMisc.h"
#include "bltGrText.h"
namespace Blt {
class Graph;
class Pick;
class Element;
/*
* Selection related flags:
* SELECT_PENDING A "selection" command idle task is pending.
* SELECT_CLEAR Clear selection flag of entry.
* SELECT_SET Set selection flag of entry.
* SELECT_TOGGLE Toggle selection flag of entry.
* Mask of selection set/clear/toggle flags.
* SELECT_SORTED Indicates if the entries in the selection
* should be sorted or displayed in the order
* they were selected.
*/
#define SELECT_CLEAR (1<<24)
#define SELECT_PENDING (1<<25)
#define SELECT_SET (1<<26)
#define SELECT_SORTED (1<<27)
#define SELECT_TOGGLE (SELECT_SET | SELECT_CLEAR)
typedef enum {
SELECT_MODE_SINGLE, SELECT_MODE_MULTIPLE
} SelectMode;
typedef struct {
Tk_3DBorder activeBg;
XColor* activeFgColor;
int activeRelief;
Tk_3DBorder normalBg;
XColor* fgColor;
Tk_Anchor anchor;
int borderWidth;
int reqColumns;
int exportSelection;
Dashes focusDashes;
XColor* focusColor;
TextStyleOptions style;
int hide;
int ixPad;
int iyPad;
int xPad;
int yPad;
int raised;
int relief;
int reqRows;
int entryBW;
int selBW;
int xReq;
int yReq;
int position;
const char *selectCmd;
Tk_3DBorder selOutFocusBg;
Tk_3DBorder selInFocusBg;
XColor* selOutFocusFgColor;
XColor* selInFocusFgColor;
SelectMode selectMode;
int selRelief;
const char *title;
TextStyleOptions titleStyle;
} LegendOptions;
class Legend : public Pick {
public:
enum Position {RIGHT, LEFT, TOP, BOTTOM, PLOT, XY};
protected:
Tk_OptionTable optionTable_;
void* ops_;
GC focusGC_;
Tcl_HashTable selectTable_;
public:
Graph* graphPtr_;
unsigned int flags;
int width_;
int height_;
int x_;
int y_;
int nEntries_;
int nColumns_;
int nRows_;
int entryWidth_;
int entryHeight_;
BindTable* bindTable_;
Element* focusPtr_;
Element* selAnchorPtr_;
Element* selMarkPtr_;
Chain selected_;
int titleWidth_;
int titleHeight_;
protected:
void setOrigin();
Element* getNextRow(Element*);
Element* getNextColumn(Element*);
Element* getPreviousRow(Element*);
Element* getPreviousColumn(Element*);
Element* getFirstElement();
Element* getLastElement();
public:
Legend(Graph*);
virtual ~Legend();
int configure();
void map(int, int);
void draw(Drawable drawable);
void print(PSOutput* ps);
void eventuallyInvokeSelectCmd();
void removeElement(Element*);
int getElementFromObj(Tcl_Obj*, Element**);
void selectEntry(Element*);
void selectElement(Element*);
void deselectElement(Element*);
int selectRange(Element*, Element*);
void clearSelection();
int entryIsSelected(Element*);
void* ops() {return ops_;}
Tk_OptionTable optionTable() {return optionTable_;}
Position position() {return (Position)((LegendOptions*)ops_)->position;}
int isRaised() {return ((LegendOptions*)ops_)->raised;}
int isHidden() {return ((LegendOptions*)ops_)->hide;}
ClientData pickEntry(int, int, ClassId*);
};
};
#endif
|
