LET'S GET THIS FINAL REWRITE EVER STARTED

1 files changed, 110 insertions, 0 deletions

diff --git a/prev/wintable/api.h b/prev/wintable/api.h
new file mode 100644
index 0000000..09552e5
--- /dev/null
+++ b/prev/wintable/api.h
@@ -0,0 +1,110 @@
+// 8 december 2014
+
+static void addColumn(struct table *t, WPARAM wParam, LPARAM lParam)
+{
+	t->nColumns++;
+	t->columnTypes = (int *) tableRealloc(t->columnTypes, t->nColumns * sizeof (int), "adding the new column type to the current Table's list of column types");
+	t->columnTypes[t->nColumns - 1] = (int) wParam;
+	// TODO make a panicNoErrCode() or panicArg() for this
+	if (t->columnTypes[t->nColumns - 1] >= nTableColumnTypes)
+		panic("invalid column type passed to tableAddColumn");
+	headerAddColumn(t, (WCHAR *) lParam);
+	update(t, TRUE);
+	// TODO only redraw the part of the client area where the new client went, if any
+	// (TODO when — if — adding autoresize, figure this one out)
+
+	// TODO send a notification for all rows?
+}
+
+// TODO what happens if the currently selected row is lost?
+static void setRowCount(struct table *t, intptr_t rc)
+{
+	intptr_t old, i;
+
+	old = t->count;
+	t->count = rc;
+	// we DO redraw everything because we don't want any rows that should no longer be there to remain on screen!
+	updateAll(t);			// DONE
+	// TODO reset checkbox and selection logic if the current row for both no longer exists
+	// TODO really send all these notifications?
+	if (old < t->count)		// rows added
+		for (i = old; i < t->count; i++)
+			NotifyWinEvent(EVENT_OBJECT_CREATE, t->hwnd, OBJID_CLIENT, i);
+	else if (old > t->count)	// rows removed
+		for (i = old; i > t->count; i++)
+			NotifyWinEvent(EVENT_OBJECT_DESTROY, t->hwnd, OBJID_CLIENT, i);
+	// TODO update existing rows?
+}
+
+HANDLER(apiHandlers)
+{
+	intptr_t *rcp;
+	intptr_t row;
+
+	switch (uMsg) {
+	case WM_SETFONT:
+		// don't free the old font; see http://blogs.msdn.com/b/oldnewthing/archive/2008/09/12/8945692.aspx
+		t->font = (HFONT) wParam;
+		SendMessageW(t->header, WM_SETFONT, wParam, lParam);
+		// if we redraw, we have to redraw ALL of it; after all, the font changed!
+		if (LOWORD(lParam) != FALSE)
+			updateAll(t);			// DONE
+		else
+			update(t, FALSE);		// DONE
+		*lResult = 0;
+		return TRUE;
+	case WM_GETFONT:
+		*lResult = (LRESULT) (t->font);
+		return TRUE;
+	case tableAddColumn:
+		addColumn(t, wParam, lParam);
+		*lResult = 0;
+		return TRUE;
+	case tableSetRowCount:
+		rcp = (intptr_t *) lParam;
+		setRowCount(t, *rcp);
+		*lResult = 0;
+		return TRUE;
+	case tableGetSelection:
+		rcp = (intptr_t *) wParam;
+		if (rcp != NULL)
+			*rcp = t->selectedRow;
+		rcp = (intptr_t *) lParam;
+		if (rcp != NULL)
+			*rcp = t->selectedColumn;
+		*lResult = 0;
+		return TRUE;
+	case tableSetSelection:
+		// TODO does doselect() do validation?
+		rcp = (intptr_t *) wParam;
+		row = *rcp;
+		rcp = (intptr_t *) lParam;
+		if (rcp == NULL)
+			if (row == -1)
+				doselect(t, -1, -1);
+			else		// select column 0, just like keyboard selections; TODO what if there aren't any columns?
+				doselect(t, row, 0);
+		else
+			doselect(t, row, *rcp);
+		*lResult = 0;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+static LRESULT notify(struct table *t, UINT code, intptr_t row, intptr_t column, uintptr_t data)
+{
+	tableNM nm;
+
+	ZeroMemory(&nm, sizeof (tableNM));
+	nm.nmhdr.hwndFrom = t->hwnd;
+	// TODO check for error from here? 0 is a valid ID (IDCANCEL)
+	nm.nmhdr.idFrom = GetDlgCtrlID(t->hwnd);
+	nm.nmhdr.code = code;
+	nm.row = row;
+	nm.column = column;
+	nm.columnType = t->columnTypes[nm.column];
+	nm.data = data;
+	// TODO check for error from GetParent()?
+	return SendMessageW(GetParent(t->hwnd), WM_NOTIFY, (WPARAM) (nm.nmhdr.idFrom), (LPARAM) (&nm));
+}