87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
// 8 december 2014
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struct drawCellParams {
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intptr_t row;
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intptr_t column;
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LONG x;
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LONG y;
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LONG width; // of column
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LONG height; // rowHeight()
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LRESULT xoff; // result of HDM_GETBITMAPMARGIN
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};
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static void drawCell(struct table *t, HDC dc, struct drawCellParams *p)
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{
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RECT r;
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WCHAR msg[200];
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int n;
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r.left = p->x + p->xoff;
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r.right = p->x + p->width;
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r.top = p->y;
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r.bottom = p->y + p->height;
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// TODO fill this rect with the appropriate background color
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// TODO then vertical center content
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n = wsprintf(msg, L"(%d,%d)", p->row, p->column);
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if (DrawTextExW(dc, msg, n, &r, DT_END_ELLIPSIS | DT_LEFT | DT_NOPREFIX | DT_SINGLELINE, NULL) == 0)
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panic("error drawing Table cell text");
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}
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static void draw(struct table *t, HDC dc, RECT cliprect, RECT client)
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{
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LRESULT i, n;
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RECT r;
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int x = 0;
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HFONT prevfont, newfont;
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struct drawCellParams p;
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n = SendMessageW(t->header, HDM_GETITEMCOUNT, 0, 0);
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for (i = 0; i < n; i++) {
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SendMessage(t->header, HDM_GETITEMRECT, (WPARAM) i, (LPARAM) (&r));
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r.top = client.top;
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r.bottom = client.bottom;
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FillRect(dc, &r, GetSysColorBrush(x));
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x++;
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}
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prevfont = selectFont(t, dc, &newfont);
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ZeroMemory(&p, sizeof (struct drawCellParams));
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p.row = 0;
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p.column = 0;
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p.x = r.left;
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p.y = 100;
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p.width = r.right - r.left;
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p.height = rowHeight(t, dc, FALSE);
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p.xoff = SendMessageW(t->header, HDM_GETBITMAPMARGIN, 0, 0);
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drawCell(t, dc, &p);
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deselectFont(dc, prevfont, newfont);
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}
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HANDLER(drawHandlers)
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{
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HDC dc;
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PAINTSTRUCT ps;
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RECT client;
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RECT r;
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if (uMsg != WM_PAINT && uMsg != WM_PRINTCLIENT)
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return FALSE;
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if (GetClientRect(t->hwnd, &client) == 0)
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panic("error getting client rect for Table painting");
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if (uMsg == WM_PAINT) {
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dc = BeginPaint(t->hwnd, &ps);
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if (dc == NULL)
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panic("error beginning Table painting");
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r = ps.rcPaint;
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} else {
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dc = (HDC) wParam;
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r = client;
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}
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draw(t, dc, r, client);
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if (uMsg == WM_PAINT)
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EndPaint(t->hwnd, &ps);
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// this is correct for WM_PRINTCLIENT; see http://stackoverflow.com/a/27362258/3408572
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*lResult = 0;
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return TRUE;
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}
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