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Somewhat gruesome tweak to use SetClassLongPtr where available and degrade

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nicely elsewhere, which should fix `win64' _properly_.
Tested on recent-ish MinGW (with GetWindowLongPtr but not GetClassLongPtr),
and VC++ 6.0 with a recent SDK, but not with vanilla VC++.

[originally from svn r6535]
[this svn revision also touched putty-wishlist]
This commit is contained in:
Jacob Nevins 2006-01-27 20:49:59 +00:00
parent b61713fb3f
commit 4da1f2b17e
3 changed files with 24 additions and 11 deletions
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4
windows/windlg.c
View File

@ -240,11 +240,7 @@ static int SaneDialogBox(HINSTANCE hinst,
wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW;
wc.lpfnWndProc = DefDlgProc;
wc.cbClsExtra = 0;
#ifdef LONG_PTR
wc.cbWndExtra = DLGWINDOWEXTRA + 2*sizeof(LONG_PTR);
#else
wc.cbWndExtra = DLGWINDOWEXTRA + 8;
#endif
wc.hInstance = hinst;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);

2
windows/window.c
View File

@ -1010,7 +1010,7 @@ static void update_mouse_pointer(void)
}
{
HCURSOR cursor = LoadCursor(NULL, curstype);
SetClassLong(hwnd, GCL_HCURSOR, (LONG)cursor);
SetClassLongPtr(hwnd, GCLP_HCURSOR, (LONG_PTR)cursor);
SetCursor(cursor); /* force redraw of cursor at current posn */
}
if (force_visible != forced_visible) {

29
windows/winstuff.h
View File

@ -36,21 +36,38 @@ struct FontSpec {
(fq) == FQ_NONANTIALIASED ? NONANTIALIASED_QUALITY : \
CLEARTYPE_QUALITY)
/* VC++ 6 doesn't have GetWindowLongPtr and friends. Degrade nicely. */
/*
* Where we can, we use GetWindowLongPtr and friends because they're
* more useful on 64-bit platforms, but they're a relatively recent
* innovation, missing from VC++ 6 and older MinGW. Degrade nicely.
* (NB that on some systems, some of these things are available but
* not others...)
*/
#ifndef GWLP_USERDATA
#ifndef GCLP_HCURSOR
/* GetClassLongPtr and friends */
#undef GetClassLongPtr
#define GetClassLongPtr GetClassLong
#undef SetClassLongPtr
#define SetClassLongPtr SetClassLong
#define GCLP_HCURSOR GCL_HCURSOR
/* GetWindowLongPtr and friends */
#undef GetWindowLongPtr
#define GetWindowLongPtr GetWindowLong
#undef SetWindowLongPtr
#define SetWindowLongPtr SetWindowLong
#undef GWLP_USERDATA
#define GWLP_USERDATA GWL_USERDATA
#undef DWLP_MSGRESULT
#define DWLP_MSGRESULT DWL_MSGRESULT
/* Since we've clobbered the above functions, we should clobber the
* associated type regardless of whether it's defined. */
#undef LONG_PTR
#define LONG_PTR LONG
#endif
#define BOXFLAGS DLGWINDOWEXTRA
#ifdef LONG_PTR
#define BOXRESULT (DLGWINDOWEXTRA + sizeof(LONG_PTR))
#else
#define BOXRESULT (DLGWINDOWEXTRA + 4)
#endif
#define DF_END 0x0001
/*