Added an initial windows/container.c.

redo/windows/container.c

@@ -0,0 +1,63 @@
+// 26 april 2015
+#include "uipriv_windows.h"
+
+// Code for containers. uiMakeContainer() creates a singleHWND of this window class.
+
+#define containerClass L"libui_uiContainerClass"}
+
+static LRESULT CALLBACK containerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+/* TODO
+	RECT r;
+	HDC dc;
+	PAINTSTRUCT ps;
+
+	switch (uMsg) {
+	case WM_PAINT:
+		dc = BeginPaint(hwnd, &ps);
+		if (dc == NULL)
+			logLastError("error beginning container paint in containerWndProc()");
+		r = ps.rcPaint;
+		paintContainerBackground(hwnd, dc, &r);
+		EndPaint(hwnd, &ps);
+		return 0;
+	// tab controls use this to draw the background of the tab area
+	case WM_PRINTCLIENT:
+		if (GetClientRect(hwnd, &r) == 0)
+			logLastError("error getting client rect in containerWndProc()");
+		paintContainerBackground(hwnd, (HDC) wParam, &r);
+		return 0;
+	case WM_ERASEBKGND:
+		// avoid some flicker
+		// we draw the whole update area anyway
+		return 1;
+	}
+*/
+
+	return DefWindowProcW(hwnd, uMsg, wParam, lParam);
+}
+
+ATOM initContainer(HICON hDefaultIcon, HCURSOR hDefaultCursor)
+{
+	WNDCLASSW wc;
+
+	ZeroMemory(&wc, sizeof (WNDCLASSW));
+	wc.lpszClassName = containerClass;
+	wc.lpfnWndProc = containerWndProc;
+	wc.hInstance = hInstance;
+	wc.hIcon = hDefaultIcon;
+	wc.hCursor = hDefaultCursor;
+	wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
+	return RegisterClassW(&wc);
+}
+
+void uninitContainer(void)
+{
+	if (UnregisterClassW(containerClass, hInstance) == 0)
+		logLastError("error unregistering uiContainer window class in uninitContainer()");
+}
+
+void uiMakeContainer(uiContainer *c)
+{
+	// TODO
+}