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comctl32: Fix rebar autosize behaviour. 

Allow autoresizing rebar by PostMessage(hwndRebar, WM_SIZE, 0, 0) like
native does, taking as few rows as possible and using the parent
window client area size for the other dimension (width for horizontal
rebars or height for vertical ones).
oldstable
Phil Krylov 2006-01-09 18:41:45 +01:00 committed by Alexandre Julliard
parent a2f883484f
commit a05bfbfb86
1 changed files with 15 additions and 8 deletions
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23
dlls/comctl32/rebar.c
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@ -1492,10 +1492,11 @@ REBAR_Layout (REBAR_INFO *infoPtr, LPRECT lpRect, BOOL notify, BOOL resetclient)
cxsep = (cntonrow == 0) ? 0 : SEP_WIDTH;
cx = lpBand->lcx;
/* In native, 0 as one of the coordinates means no limit */
if (infoPtr->dwStyle & CCS_VERT)
dobreak = (y + cx + cxsep > adjcy);
dobreak = (adjcy && (y + cx + cxsep > adjcy));
else
dobreak = (x + cx + cxsep > adjcx);
dobreak = (adjcx && (x + cx + cxsep > adjcx));
/* This is the check for whether we need to start a new row */
if ( ( (lpBand->fStyle & RBBS_BREAK) && (i != 0) ) ||
@ -1537,14 +1538,14 @@ REBAR_Layout (REBAR_INFO *infoPtr, LPRECT lpRect, BOOL notify, BOOL resetclient)
/* if boundary rect specified then limit mcy */
if (lpRect) {
if (infoPtr->dwStyle & CCS_VERT) {
if (x+mcy > adjcx) {
if (adjcx && (x+mcy > adjcx)) {
mcy = adjcx - x;
TRACE("P1 row %u limiting mcy=%d, adjcx=%d, x=%d\n",
i, mcy, adjcx, x);
}
}
else {
if (y+mcy > adjcy) {
if (adjcy && (y+mcy > adjcy)) {
mcy = adjcy - y;
TRACE("P1 row %u limiting mcy=%d, adjcy=%d, y=%d\n",
i, mcy, adjcy, y);
@ -1656,8 +1657,9 @@ REBAR_Layout (REBAR_INFO *infoPtr, LPRECT lpRect, BOOL notify, BOOL resetclient)
/* ******* Start Phase 2 - split rows till adjustment height full ******* */
/* assumes that the following variables contain: */
/* y/x current height/width of all rows */
if (lpRect) {
/* y/x current height/width of all rows */
/* adjcy/adjcx adjustment height/width or 0 (as small as possible) */
if (lpRect && ((infoPtr->dwStyle & CCS_VERT) ? adjcx : adjcy)) {
INT i, prev_rh, new_rh, adj_rh, prev_idx, current_idx;
REBAR_BAND *prev, *current, *walk;
UINT j;
@ -4501,9 +4503,14 @@ REBAR_Size (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
if ((lParam == 0) && (rcClient.right + rcClient.bottom != 0) &&
(infoPtr->dwStyle & RBS_AUTOSIZE)) {
/* on a WM_SIZE to zero and current client not zero and AUTOSIZE */
/* native seems to use the current client rect for the size */
/* native seems to use the current parent width for the size */
infoPtr->fStatus |= BAND_NEEDS_LAYOUT;
TRACE("sizing rebar to client (%ld,%ld) size is zero but AUTOSIZE set\n",
GetClientRect (GetParent(infoPtr->hwndSelf), &rcClient);
if (infoPtr->dwStyle & CCS_VERT)
rcClient.right = 0;
else
rcClient.bottom = 0;
TRACE("sizing rebar to parent (%ld,%ld) size is zero but AUTOSIZE set\n",
rcClient.right, rcClient.bottom);
}
else {