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comctl32: Add support for the sort arrows. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2016-10-19 16:08:27 +01:00 committed by Alexandre Julliard
parent 23dbdab4fe
commit 841d41bdcf
1 changed files with 79 additions and 19 deletions
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98
dlls/comctl32/header.c
View File

@ -326,6 +326,48 @@ HEADER_DrawItemFrame(HEADER_INFO *infoPtr, HDC hdc, RECT *r, const HEADER_ITEM *
}
}
/* Create a region for the sort arrow with its bounding rect's top-left
co-ord x,y and its height h. */
static HRGN create_sort_arrow( INT x, INT y, INT h, BOOL is_up )
{
char buffer[256];
RGNDATA *data = (RGNDATA *)buffer;
DWORD size = FIELD_OFFSET(RGNDATA, Buffer[h * sizeof(RECT)]);
INT i, yinc = 1;
HRGN rgn;
if (size > sizeof(buffer))
{
data = HeapAlloc( GetProcessHeap(), 0, size );
if (!data) return NULL;
}
data->rdh.dwSize = sizeof(data->rdh);
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = 0;
data->rdh.nRgnSize = h * sizeof(RECT);
if (!is_up)
{
y += h - 1;
yinc = -1;
}
x += h - 1; /* set x to the centre */
for (i = 0; i < h; i++, y += yinc)
{
RECT *rect = (RECT *)data->Buffer + data->rdh.nCount;
rect->left = x - i;
rect->top = y;
rect->right = x + i + 1;
rect->bottom = y + 1;
data->rdh.nCount++;
}
rgn = ExtCreateRegion( NULL, size, data );
if (data != (RGNDATA *)buffer) HeapFree( GetProcessHeap(), 0, data );
return rgn;
}
static INT
HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESULT lCDFlags)
{
@ -413,10 +455,11 @@ HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESU
INT cx, tx, ix, bx;
UINT cw, tw, iw, bw;
INT img_cx, img_cy;
INT sort_w, sort_x, sort_h;
BITMAP bmp;
HEADER_PrepareCallbackItems(infoPtr, iItem, HDI_TEXT|HDI_IMAGE);
cw = iw = bw = 0;
cw = iw = bw = sort_w = sort_h = 0;
rw = r.right - r.left;
rh = r.bottom - r.top;
@ -435,23 +478,28 @@ HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESU
cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
}
if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
iw = img_cx + 2 * infoPtr->iMargin;
x = &ix;
w = &iw;
}
if (phdi->fmt & (HDF_SORTUP | HDF_SORTDOWN)) {
sort_h = MulDiv( infoPtr->nHeight - VERT_BORDER, 4, 13 );
sort_w = 2 * sort_h - 1 + infoPtr->iMargin * 2;
cw += sort_w;
} else { /* sort arrows take precedent over images/bitmaps */
if ((phdi->fmt & HDF_IMAGE) && ImageList_GetIconSize( infoPtr->himl, &img_cx, &img_cy )) {
iw = img_cx + 2 * infoPtr->iMargin;
x = &ix;
w = &iw;
}
if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
bw = bmp.bmWidth + 2 * infoPtr->iMargin;
if (!iw) {
x = &bx;
w = &bw;
}
}
if (bw || iw)
cw += *w;
if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
GetObjectW (phdi->hbm, sizeof(BITMAP), &bmp);
bw = bmp.bmWidth + 2 * infoPtr->iMargin;
if (!iw) {
x = &bx;
w = &bw;
}
}
if (bw || iw)
cw += *w;
}
/* align cx using the unclipped cw */
if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
@ -470,7 +518,10 @@ HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESU
tx = cx + infoPtr->iMargin;
/* since cw might have changed we have to recalculate tw */
tw = cw - infoPtr->iMargin * 2;
tw -= sort_w;
sort_x = cx + tw + infoPtr->iMargin * 3;
if (iw || bw) {
tw -= *w;
if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
@ -494,11 +545,20 @@ HEADER_DrawItem (HEADER_INFO *infoPtr, HDC hdc, INT iItem, BOOL bHotTrack, LRESU
bx = cx + cw + infoPtr->iMargin;
}
if (iw || bw) {
if (sort_w || iw || bw) {
HDC hClipDC = GetDC(infoPtr->hwndSelf);
HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
SelectClipRgn(hClipDC, hClipRgn);
if (sort_w) {
HRGN arrow = create_sort_arrow( sort_x, r.top + (rh - sort_h) / 2,
sort_h, phdi->fmt & HDF_SORTUP );
if (arrow) {
FillRgn( hClipDC, arrow, GetSysColorBrush( COLOR_GRAYTEXT ) );
DeleteObject( arrow );
}
}
if (bw) {
HDC hdcBitmap = CreateCompatibleDC (hClipDC);
SelectObject (hdcBitmap, phdi->hbm);