summaryrefslogtreecommitdiff
path: root/tcl/win/tkWinInt.h
blob: bf58e18d424f971ed93b797e68117ce73dfdc475 (plain)
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
/*
 * tkWinInt.h --
 *
 *	This file contains declarations that are shared among the
 *	Windows-specific parts of Tk, but aren't used by the rest of
 *	Tk.
 *
 * Copyright (c) 1995-1997 Sun Microsystems, Inc.
 * Copyright (c) 1998-2000 by Scriptics Corporation.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id$
 */

#ifndef _TKWININT
#define _TKWININT

#ifndef _TKINT
#include "tkInt.h"
#endif

/*
 * Include platform specific public interfaces.
 */

#ifndef _TKWIN
#include "tkWin.h"
#endif

#ifndef _TKPORT
#include "tkPort.h"
#endif


/*
 * Define constants missing from older Win32 SDK header files.
 */

#ifndef WS_EX_TOOLWINDOW
#define WS_EX_TOOLWINDOW	0x00000080L 
#endif

/*
 * The TkWinDCState is used to save the state of a device context
 * so that it can be restored later.
 */

typedef struct TkWinDCState {
    HPALETTE palette;
    int bkmode;
} TkWinDCState;

/*
 * The TkWinDrawable is the internal implementation of an X Drawable (either
 * a Window or a Pixmap).  The following constants define the valid Drawable
 * types.
 */

#define TWD_BITMAP	1
#define TWD_WINDOW	2
#define TWD_WINDC	3

typedef struct {
    int type;
    HWND handle;
    TkWindow *winPtr;
} TkWinWindow;

typedef struct {
    int type;
    HBITMAP handle;
    Colormap colormap;
    int depth;
} TkWinBitmap;

typedef struct {
    int type;
    HDC hdc;
}TkWinDC;

typedef union {
    int type;
    TkWinWindow window;
    TkWinBitmap bitmap;
    TkWinDC winDC;
} TkWinDrawable;

/*
 * The following macros are used to retrieve internal values from a Drawable.
 */

#define TkWinGetHWND(w)		(((TkWinDrawable *) w)->window.handle)
#define TkWinGetWinPtr(w)	(((TkWinDrawable *) w)->window.winPtr)
#define TkWinGetHBITMAP(w)	(((TkWinDrawable *) w)->bitmap.handle)
#define TkWinGetColormap(w)	(((TkWinDrawable *) w)->bitmap.colormap)
#define TkWinGetHDC(w)		(((TkWinDrawable *) w)->winDC.hdc)

/*
 * The following structure is used to encapsulate palette information.
 */

typedef struct {
    HPALETTE palette;		/* Palette handle used when drawing. */
    UINT size;			/* Number of entries in the palette. */
    int stale;			/* 1 if palette needs to be realized,
				 * otherwise 0.  If the palette is stale,
				 * then an idle handler is scheduled to
				 * realize the palette. */
    Tcl_HashTable refCounts;	/* Hash table of palette entry reference counts
				 * indexed by pixel value. */
} TkWinColormap;

/*
 * The following macro retrieves the Win32 palette from a colormap.
 */

#define TkWinGetPalette(colormap) (((TkWinColormap *) colormap)->palette)

/*
 * The following macros define the class names for Tk Window types.
 */

#define TK_WIN_TOPLEVEL_CLASS_NAME "TkTopLevel"
#define TK_WIN_CHILD_CLASS_NAME "TkChild"

/*
 * The following variable is a translation table between X gc functions and
 * Win32 raster op modes.
 */

extern int tkpWinRopModes[];

/*
 * The following defines are used with TkWinGetBorderPixels to get the
 * extra 2 border colors from a Tk_3DBorder.
 */

#define TK_3D_LIGHT2 TK_3D_DARK_GC+1
#define TK_3D_DARK2 TK_3D_DARK_GC+2

/*
 * Internal procedures used by more than one source file.
 */

#include "tkIntPlatDecls.h"

/*
 * We need to specially add the TkWinChildProc because of the special
 * prototype it has (doesn't fit into stubs schema)
 */
#ifdef BUILD_tk
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLEXPORT
#endif

EXTERN LRESULT CALLBACK	TkWinChildProc _ANSI_ARGS_((HWND hwnd, UINT message,
			    WPARAM wParam, LPARAM lParam));

/*
 * Special proc needed as tsd accessor function between
 * tkWinX.c:GenerateXEvent and tkWinClipboard.c:UpdateClipboard
 */
EXTERN void	TkWinUpdatingClipboard(int mode);

/*
 * The following structure keeps track of whether we are using the 
 * multi-byte or the wide-character interfaces to the operating system.
 * System calls should be made through the following function table.
 *
 * While some system calls need to use this A/W jump-table, it is not
 * necessary for all calls to do it, which is why you won't see this
 * used throughout the Tk code, but only in key areas. -- hobbs
 */

typedef struct TkWinProcs {
    int useWide;
    LRESULT (WINAPI *callWindowProc)(WNDPROC lpPrevWndFunc, HWND hWnd,
	    UINT Msg, WPARAM wParam, LPARAM lParam);
    LRESULT (WINAPI *defWindowProc)(HWND hWnd, UINT Msg, WPARAM wParam,
	    LPARAM lParam);
    ATOM (WINAPI *registerClass)(CONST WNDCLASS *lpWndClass);
    BOOL (WINAPI *setWindowText)(HWND hWnd, LPCTSTR lpString);
    HWND (WINAPI *createWindowEx)(DWORD dwExStyle, LPCTSTR lpClassName,
	    LPCTSTR lpWindowName, DWORD dwStyle, int x, int y,
	    int nWidth, int nHeight, HWND hWndParent, HMENU hMenu,
	    HINSTANCE hInstance, LPVOID lpParam);
} TkWinProcs;

EXTERN TkWinProcs *tkWinProcs;

#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT

/*
 * The following allows us to cache these encoding for multiple functions.
 */


extern Tcl_Encoding TkWinGetKeyInputEncoding _ANSI_ARGS_((void));
extern Tcl_Encoding TkWinGetUnicodeEncoding _ANSI_ARGS_((void));

#endif /* _TKWININT */