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More work on the Windows popover.

This commit is contained in:
Pietro Gagliardi 2014-10-09 15:16:32 -04:00
parent 05fbbc491e
commit c2b034ccf9
1 changed files with 18 additions and 9 deletions
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27
windowspopover/main.c
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@ -40,22 +40,28 @@ LRESULT CALLBACK popoverproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
HRGN region;
POINT pt;
RECT r;
LONG width;
LONG height;
switch (uMsg) {
case WM_NCPAINT:
GetWindowRect(hwnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
dc = GetDCEx(hwnd, (HRGN) wParam, DCX_WINDOW | DCX_INTERSECTRGN);
if (dc == NULL) abort();
BeginPath(dc);
pt.x = 0;
pt.y = ARROWHEIGHT;
r.left = 0; r.top = 0; // everything's in device coordinates
pt.x = r.left;
pt.y = r.top + ARROWHEIGHT;
if (MoveToEx(dc, pt.x, pt.y, NULL) == 0) abort();
pt.y = 100;
pt.y += height - ARROWHEIGHT;
if (LineTo(dc, pt.x, pt.y) == 0) abort();
pt.x = 100;
pt.x += width;
LineTo(dc, pt.x, pt.y);
pt.y = ARROWHEIGHT;
pt.y -= height - ARROWHEIGHT;
LineTo(dc, pt.x, pt.y);
pt.x = 50 + ARROWWIDTH;
pt.x -= (width / 2) - ARROWWIDTH;
LineTo(dc, pt.x, pt.y);
pt.x -= ARROWWIDTH;
pt.y -= ARROWHEIGHT;
@ -66,19 +72,22 @@ LRESULT CALLBACK popoverproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
pt.x = 0;
LineTo(dc, pt.x, pt.y);
EndPath(dc);
SetDCBrushColor(dc, RGB(255, 0, 0));
region = PathToRegion(dc);
FrameRgn(dc, region, GetStockObject(BLACK_PEN), 1, 1);
FrameRgn(dc, region, GetStockObject(DC_BRUSH), 1, 1);
SetWindowRgn(hwnd, region, TRUE);
ReleaseDC(hwnd, dc);
return 0;
case WM_NCCALCSIZE:
break;
case WM_ERASEBKGND:
return (LRESULT) NULL;
case WM_PAINT:
dc = BeginPaint(hwnd, &ps);
/* dc = BeginPaint(hwnd, &ps);
GetClientRect(hwnd, &r);
FillRect(dc, &r, GetSysColorBrush(COLOR_ACTIVECAPTION));
EndPaint(hwnd, &ps);
return 0;
*/ return 0;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}