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Split drawItems() into drawItems() and drawItem() in the Windows Table reimplementation. This will make rewriting drawItem() easier.

This commit is contained in:
Pietro Gagliardi 2014-11-05 20:26:21 -05:00
parent b40c1acab0
commit fdd3720821
1 changed files with 75 additions and 70 deletions
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85
wintable/main.c
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@ -309,47 +309,8 @@ static void resize(struct table *t)
recomputeHScroll(t); recomputeHScroll(t);
} }
static void drawItems(struct table *t, HDC dc, RECT cliprect) static void drawItem(struct table *t, HDC dc, intptr_t i, LONG y, LONG height, RECT controlSize)
{ {
HFONT thisfont, prevfont;
LONG height;
LONG y;
intptr_t i;
RECT controlSize; // for filling the entire selected row
intptr_t first, last;
POINT prevOrigin, prevViewportOrigin;
if (GetClientRect(t->hwnd, &controlSize) == 0)
abort();
height = rowHeight(t);
thisfont = t->font; // in case WM_SETFONT happens before we return
prevfont = (HFONT) SelectObject(dc, thisfont);
if (prevfont == NULL)
abort();
// adjust the clip rect and the window so that (0, 0) is always the first item
// adjust the viewport so that everything is shifted down t->headerHeight pixels
if (OffsetRect(&cliprect, 0, t->firstVisible * height) == 0)
abort();
if (GetWindowOrgEx(dc, &prevOrigin) == 0)
abort();
if (SetWindowOrgEx(dc, prevOrigin.x, prevOrigin.y + (t->firstVisible * height), NULL) == 0)
abort();
if (SetViewportOrgEx(dc, 0, t->headerHeight, &prevViewportOrigin) == 0)
abort();
// see http://blogs.msdn.com/b/oldnewthing/archive/2003/07/29/54591.aspx and http://blogs.msdn.com/b/oldnewthing/archive/2003/07/30/54600.aspx
first = cliprect.top / height;
if (first < 0)
first = 0;
last = (cliprect.bottom + height - 1) / height;
if (last >= t->count)
last = t->count;
y = first * height;
for (i = first; i < last; i++) {
RECT rsel; RECT rsel;
HBRUSH background; HBRUSH background;
int textColor; int textColor;
@ -420,6 +381,50 @@ static void drawItems(struct table *t, HDC dc, RECT cliprect)
if (DrawTextExW(dc, msg, wsprintf(msg, L"Item %d", i), &rsel, DT_END_ELLIPSIS | DT_LEFT | DT_NOPREFIX | DT_SINGLELINE, NULL) == 0) if (DrawTextExW(dc, msg, wsprintf(msg, L"Item %d", i), &rsel, DT_END_ELLIPSIS | DT_LEFT | DT_NOPREFIX | DT_SINGLELINE, NULL) == 0)
abort(); abort();
} }
}
static void drawItems(struct table *t, HDC dc, RECT cliprect)
{
HFONT thisfont, prevfont;
LONG height;
LONG y;
intptr_t i;
RECT controlSize; // for filling the entire selected row
intptr_t first, last;
POINT prevOrigin, prevViewportOrigin;
if (GetClientRect(t->hwnd, &controlSize) == 0)
abort();
height = rowHeight(t);
thisfont = t->font; // in case WM_SETFONT happens before we return
prevfont = (HFONT) SelectObject(dc, thisfont);
if (prevfont == NULL)
abort();
// adjust the clip rect and the window so that (0, 0) is always the first item
// adjust the viewport so that everything is shifted down t->headerHeight pixels
if (OffsetRect(&cliprect, 0, t->firstVisible * height) == 0)
abort();
if (GetWindowOrgEx(dc, &prevOrigin) == 0)
abort();
if (SetWindowOrgEx(dc, prevOrigin.x, prevOrigin.y + (t->firstVisible * height), NULL) == 0)
abort();
if (SetViewportOrgEx(dc, 0, t->headerHeight, &prevViewportOrigin) == 0)
abort();
// see http://blogs.msdn.com/b/oldnewthing/archive/2003/07/29/54591.aspx and http://blogs.msdn.com/b/oldnewthing/archive/2003/07/30/54600.aspx
first = cliprect.top / height;
if (first < 0)
first = 0;
last = (cliprect.bottom + height - 1) / height;
if (last >= t->count)
last = t->count;
y = first * height;
for (i = first; i < last; i++) {
drawItem(t, dc, i, y, height, controlSize);
y += height; y += height;
} }