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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
|
/* $Id: ttkWidget.h,v 1.11 2008/11/09 23:53:09 jenglish Exp $
* Copyright (c) 2003, Joe English
* Helper routines for widget implementations.
*/
#ifndef _TTKWIDGET
#define _TTKWIDGET
/*
* State flags for 'flags' field.
*/
#define WIDGET_DESTROYED 0x0001
#define REDISPLAY_PENDING 0x0002 /* scheduled call to RedisplayWidget */
#define CURSOR_ON 0x0020 /* See TtkBlinkCursor() */
#define WIDGET_USER_FLAG 0x0100 /* 0x0100 - 0x8000 for user flags */
/*
* Bit fields for OptionSpec 'mask' field:
*/
#define READONLY_OPTION 0x1
#define STYLE_CHANGED 0x2
#define GEOMETRY_CHANGED 0x4
/*
* Core widget elements
*/
typedef struct WidgetSpec_ WidgetSpec; /* Forward */
typedef struct
{
Tk_Window tkwin; /* Window associated with widget */
Tcl_Interp *interp; /* Interpreter associated with widget. */
WidgetSpec *widgetSpec; /* Widget class hooks */
Tcl_Command widgetCmd; /* Token for widget command. */
Tk_OptionTable optionTable; /* Option table */
Ttk_Layout layout; /* Widget layout */
/*
* Storage for resources:
*/
Tcl_Obj *takeFocusPtr; /* Storage for -takefocus option */
Tcl_Obj *cursorObj; /* Storage for -cursor option */
Tcl_Obj *styleObj; /* Name of currently-applied style */
Tcl_Obj *classObj; /* Class name (readonly option) */
Ttk_State state; /* Current widget state */
unsigned int flags; /* internal flags, see above */
} WidgetCore;
/*
* Subcommand specifications:
*/
typedef int (*WidgetSubcommandProc)(
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr);
typedef struct {
const char *name;
WidgetSubcommandProc command;
} WidgetCommandSpec;
MODULE_SCOPE int TtkWidgetEnsembleCommand( /* Run an ensemble command */
const WidgetCommandSpec *commands, int cmdIndex,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], void *recordPtr);
/*
* Widget specifications:
*/
struct WidgetSpec_
{
const char *className; /* Widget class name */
size_t recordSize; /* #bytes in widget record */
const Tk_OptionSpec *optionSpecs; /* Option specifications */
const WidgetCommandSpec *commands; /* Widget instance subcommands */
/*
* Hooks:
*/
void (*initializeProc)(Tcl_Interp *, void *recordPtr);
void (*cleanupProc)(void *recordPtr);
int (*configureProc)(Tcl_Interp *, void *recordPtr, int flags);
int (*postConfigureProc)(Tcl_Interp *, void *recordPtr, int flags);
Ttk_Layout (*getLayoutProc)(Tcl_Interp *,Ttk_Theme, void *recordPtr);
int (*sizeProc)(void *recordPtr, int *widthPtr, int *heightPtr);
void (*layoutProc)(void *recordPtr);
void (*displayProc)(void *recordPtr, Drawable d);
};
/*
* Common factors for widget implementations:
*/
MODULE_SCOPE void TtkNullInitialize(Tcl_Interp *, void *);
MODULE_SCOPE int TtkNullPostConfigure(Tcl_Interp *, void *, int);
MODULE_SCOPE void TtkNullCleanup(void *recordPtr);
MODULE_SCOPE Ttk_Layout TtkWidgetGetLayout(
Tcl_Interp *, Ttk_Theme, void *recordPtr);
MODULE_SCOPE Ttk_Layout TtkWidgetGetOrientedLayout(
Tcl_Interp *, Ttk_Theme, void *recordPtr, Tcl_Obj *orientObj);
MODULE_SCOPE int TtkWidgetSize(void *recordPtr, int *w, int *h);
MODULE_SCOPE void TtkWidgetDoLayout(void *recordPtr);
MODULE_SCOPE void TtkWidgetDisplay(void *recordPtr, Drawable);
MODULE_SCOPE int TtkCoreConfigure(Tcl_Interp*, void *, int mask);
/* Common widget commands:
*/
MODULE_SCOPE int TtkWidgetConfigureCommand(
Tcl_Interp *, int, Tcl_Obj*const[], void *);
MODULE_SCOPE int TtkWidgetCgetCommand(
Tcl_Interp *, int, Tcl_Obj*const[], void *);
MODULE_SCOPE int TtkWidgetInstateCommand(
Tcl_Interp *, int, Tcl_Obj*const[], void *);
MODULE_SCOPE int TtkWidgetStateCommand(
Tcl_Interp *, int, Tcl_Obj*const[], void *);
MODULE_SCOPE int TtkWidgetIdentifyCommand(
Tcl_Interp *, int, Tcl_Obj*const[], void *);
/* Widget constructor:
*/
MODULE_SCOPE int TtkWidgetConstructorObjCmd(
ClientData, Tcl_Interp*, int, Tcl_Obj*const[]);
#define RegisterWidget(interp, name, specPtr) \
Tcl_CreateObjCommand(interp, name, \
TtkWidgetConstructorObjCmd, (ClientData)specPtr,NULL)
/* WIDGET_TAKES_FOCUS --
* Add this to the OptionSpecs table of widgets that
* take keyboard focus during traversal to override
* CoreOptionSpec's -takefocus default value:
*/
#define WIDGET_TAKES_FOCUS \
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", \
"ttk::takefocus", Tk_Offset(WidgetCore, takeFocusPtr), -1, 0,0,0 }
/* WIDGET_INHERIT_OPTIONS(baseOptionSpecs) --
* Add this at the end of an OptionSpecs table to inherit
* the options from 'baseOptionSpecs'.
*/
#define WIDGET_INHERIT_OPTIONS(baseOptionSpecs) \
{TK_OPTION_END, 0,0,0, NULL, -1,-1, 0, (ClientData)baseOptionSpecs, 0}
/*
* Useful routines for use inside widget implementations:
*/
/* extern int WidgetDestroyed(WidgetCore *); */
#define WidgetDestroyed(corePtr) ((corePtr)->flags & WIDGET_DESTROYED)
MODULE_SCOPE void TtkWidgetChangeState(WidgetCore *,
unsigned int setBits, unsigned int clearBits);
MODULE_SCOPE void TtkRedisplayWidget(WidgetCore *);
MODULE_SCOPE void TtkResizeWidget(WidgetCore *);
MODULE_SCOPE void TtkTrackElementState(WidgetCore *);
MODULE_SCOPE void TtkBlinkCursor(WidgetCore *);
/*
* -state option values (compatibility)
*/
MODULE_SCOPE void TtkCheckStateOption(WidgetCore *, Tcl_Obj *);
/*
* Variable traces:
*/
typedef void (*Ttk_TraceProc)(void *recordPtr, const char *value);
typedef struct TtkTraceHandle_ Ttk_TraceHandle;
MODULE_SCOPE Ttk_TraceHandle *Ttk_TraceVariable(
Tcl_Interp*, Tcl_Obj *varnameObj, Ttk_TraceProc callback, void *clientData);
MODULE_SCOPE void Ttk_UntraceVariable(Ttk_TraceHandle *);
MODULE_SCOPE int Ttk_FireTrace(Ttk_TraceHandle *);
/*
* Virtual events:
*/
MODULE_SCOPE void TtkSendVirtualEvent(Tk_Window tgtWin, const char *eventName);
/*
* Helper routines for data accessor commands:
*/
MODULE_SCOPE int TtkEnumerateOptions(
Tcl_Interp *, void *, const Tk_OptionSpec *, Tk_OptionTable, Tk_Window);
MODULE_SCOPE int TtkGetOptionValue(
Tcl_Interp *, void *, Tcl_Obj *optName, Tk_OptionTable, Tk_Window);
/*
* Helper routines for scrolling widgets (see scroll.c).
*/
typedef struct {
int first; /* First visible item */
int last; /* Last visible item */
int total; /* Total #items */
char *scrollCmd; /* Widget option */
} Scrollable;
typedef struct ScrollHandleRec *ScrollHandle;
MODULE_SCOPE ScrollHandle TtkCreateScrollHandle(WidgetCore *, Scrollable *);
MODULE_SCOPE void TtkFreeScrollHandle(ScrollHandle);
MODULE_SCOPE int TtkScrollviewCommand(
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], ScrollHandle);
MODULE_SCOPE void TtkScrollTo(ScrollHandle, int newFirst);
MODULE_SCOPE void TtkScrolled(ScrollHandle, int first, int last, int total);
MODULE_SCOPE void TtkScrollbarUpdateRequired(ScrollHandle);
/*
* Tag sets (work in progress, half-baked)
*/
typedef struct TtkTag *Ttk_Tag;
typedef struct TtkTagTable *Ttk_TagTable;
typedef struct TtkTagSet { /* TODO: make opaque */
Ttk_Tag *tags;
int nTags;
} *Ttk_TagSet;
MODULE_SCOPE Ttk_TagTable Ttk_CreateTagTable(
Tcl_Interp *, Tk_Window tkwin, Tk_OptionSpec[], int recordSize);
MODULE_SCOPE void Ttk_DeleteTagTable(Ttk_TagTable);
MODULE_SCOPE Ttk_Tag Ttk_GetTag(Ttk_TagTable, const char *tagName);
MODULE_SCOPE Ttk_Tag Ttk_GetTagFromObj(Ttk_TagTable, Tcl_Obj *);
MODULE_SCOPE Tcl_Obj *Ttk_TagOptionValue(
Tcl_Interp *, Ttk_TagTable, Ttk_Tag, Tcl_Obj *optionName);
MODULE_SCOPE int Ttk_EnumerateTagOptions(
Tcl_Interp *, Ttk_TagTable, Ttk_Tag);
MODULE_SCOPE int Ttk_ConfigureTag(
Tcl_Interp *interp, Ttk_TagTable tagTable, Ttk_Tag tag,
int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE Ttk_TagSet Ttk_GetTagSetFromObj(
Tcl_Interp *interp, Ttk_TagTable, Tcl_Obj *objPtr);
MODULE_SCOPE void Ttk_FreeTagSet(Ttk_TagSet);
MODULE_SCOPE int Ttk_TagSetContains(Ttk_TagSet, Ttk_Tag tag);
MODULE_SCOPE void Ttk_TagSetAdd(Ttk_TagSet, Ttk_Tag tag);
MODULE_SCOPE void Ttk_TagSetRemove(Ttk_TagSet, Ttk_Tag tag);
MODULE_SCOPE void Ttk_TagSetValues(Ttk_TagTable, Ttk_TagSet, void *record);
MODULE_SCOPE void Ttk_TagSetApplyStyle(Ttk_TagTable,Ttk_Style,Ttk_State,void*);
/*
* Useful widget base classes:
*/
MODULE_SCOPE Tk_OptionSpec ttkCoreOptionSpecs[];
/*
* String tables for widget resource specifications:
*/
MODULE_SCOPE const char *ttkOrientStrings[];
MODULE_SCOPE const char *ttkCompoundStrings[];
MODULE_SCOPE const char *ttkDefaultStrings[];
/*
* ... other option types...
*/
MODULE_SCOPE int TtkGetLabelAnchorFromObj(
Tcl_Interp*, Tcl_Obj*, Ttk_PositionSpec *);
/*
* Platform-specific initialization.
*/
#if defined(__WIN32__)
#define Ttk_PlatformInit Ttk_WinPlatformInit
MODULE_SCOPE int Ttk_PlatformInit(Tcl_Interp *);
#elif defined(MAC_OSX_TK)
#define Ttk_PlatformInit Ttk_MacOSXPlatformInit
MODULE_SCOPE int Ttk_PlatformInit(Tcl_Interp *);
#else
#define Ttk_PlatformInit(interp) /* TTK_X11PlatformInit() */
#endif
#endif /* _TTKWIDGET */
|
