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Got a bit of a better handle on the whole GDI `logical units' mess,

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and sorted out the static-control text wrapping rather better. Now
it works under both large fonts and small fonts on Win2K, so I have
high hopes that it's actually correct this time.

[originally from svn r2917]
This commit is contained in:
Simon Tatham 2003-03-06 19:18:25 +00:00
parent 88d0a45b0f
commit 9e0a7aa86d
1 changed files with 13 additions and 5 deletions
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18
winctrls.c
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@ -393,6 +393,7 @@ char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
SIZE size;
char *ret, *p, *q;
RECT r;
HFONT oldfont, newfont;
ret = smalloc(1+strlen(text));
p = text;
@ -403,18 +404,22 @@ char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
* Work out the width the text will need to fit in, by doing
* the same adjustment that the `statictext' function itself
* will perform.
*
* We must first convert from dialog-box units into pixels, and
* then from pixels into the `logical units' that Windows uses
* within GDI. You can't make this stuff up.
*/
SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
r.left = r.top = r.bottom = 0;
r.right = cp->width;
MapDialogRect(hwnd, &r);
width = MulDiv(r.right, lpx, 72);
width = r.right;
nlines = 1;
/*
* We must select the correct font into the HDC before calling
* GetTextExtent*, or silly things will happen.
*/
newfont = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0);
oldfont = SelectObject(hdc, newfont);
while (*p) {
if (!GetTextExtentExPoint(hdc, p, strlen(p), width,
&nfit, pwidths, &size) ||
@ -453,6 +458,7 @@ char *staticwrap(struct ctlpos *cp, HWND hwnd, char *text, int *lines)
nlines++;
}
SelectObject(hdc, oldfont);
ReleaseDC(cp->hwnd, hdc);
if (lines) *lines = nlines;
@ -1748,6 +1754,8 @@ int winctrl_handle_command(struct dlgparam *dp, UINT msg,
RECT r = di->rcItem;
SIZE s;
SetMapMode(hdc, MM_TEXT); /* ensure logical units == pixels */
GetTextExtentPoint32(hdc, (char *)c->data,
strlen((char *)c->data), &s);
DrawEdge(hdc, &r, EDGE_ETCHED, BF_ADJUST | BF_RECT);