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Fixed area_windows.c data types.

This commit is contained in:
Pietro Gagliardi 2014-08-05 21:34:58 -04:00
parent b8bf4f28b6
commit 46bb97cb75
1 changed files with 7 additions and 10 deletions
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17
redo/area_windows.c
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@ -91,9 +91,8 @@ static void paintArea(HWND hwnd, void *data)
// AlphaBlend(), however, sees it - see http://msdn.microsoft.com/en-us/library/windows/desktop/dd183352%28v=vs.85%29.aspx
ZeroMemory(&bi, sizeof (BITMAPINFO));
bi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
// TODO check types
bi.bmiHeader.biWidth = dx;
bi.bmiHeader.biHeight = -dy; // negative height to force top-down drawing;
bi.bmiHeader.biWidth = (LONG) dx;
bi.bmiHeader.biHeight = -((LONG) dy); // negative height to force top-down drawing;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
@ -239,10 +238,9 @@ static void scrollArea(HWND hwnd, void *data, WPARAM wParam, int which)
dy = delta;
}
if (ScrollWindowEx(hwnd,
dx, dy, // TODO correct types
(int) dx, (int) dy,
// these four change what is scrolled and record info about the scroll; we're scrolling the whole client area and don't care about the returned information here
// TODO pointers?
0, 0, 0, 0,
NULL, NULL, NULL, NULL,
// mark the remaining rect as needing redraw and erase...
SW_INVALIDATE | SW_ERASE) == ERROR)
xpanic("error scrolling Area", GetLastError());
@ -253,7 +251,7 @@ static void scrollArea(HWND hwnd, void *data, WPARAM wParam, int which)
si.cbSize = sizeof (SCROLLINFO);
si.fMask = SIF_POS;
si.nPos = (int) newpos;
// TODO double-check that this doesn't return an error
// this is not expressly documented as returning an error so IDK what the error code is so assume there is none
SetScrollInfo(hwnd, which, &si, TRUE); // redraw scrollbar
// NOW redraw it
@ -297,9 +295,8 @@ static void adjustAreaScrollbars(HWND hwnd, void *data)
void repaintArea(HWND hwnd)
{
// TODO second argument pointer?
// 0 - the whole area; TRUE - have windows erase if possible
if (InvalidateRect(hwnd, 0, TRUE) == 0)
// NULL - the whole area; TRUE - have windows erase if possible
if (InvalidateRect(hwnd, NULL, TRUE) == 0)
xpanic("error flagging Area as needing repainting after event", GetLastError());
if (UpdateWindow(hwnd) == 0)
xpanic("error repainting Area after event", GetLastError());