1 files changed, 125 insertions, 0 deletions
diff --git a/alf/alf.h b/alf/alf.h
new file mode 100644
index 0000000..d50bd67
--- /dev/null
+++ b/alf/alf.h
@@ -0,0 +1,125 @@
+#pragma once
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    int     dpi;
+    LOGFONT lfMessageFont;
+    HFONT   hMessageFont;
+} ALFWindowFonts;
+
+typedef struct {
+    void (*create)(void * /*closure*/, HWND /*window*/);
+    void (*destroy)(void * /*closure*/, HWND /*window*/);
+    BOOL (*close)(void * /*closure*/, HWND /*window*/);
+    void (*postdestroy)(void * /*closure*/);
+    void (*updatefonts)(void * /*closure*/, HWND /*window*/, const ALFWindowFonts *fonts);
+    LRESULT (*message)(void * /*closure*/, HWND, UINT, WPARAM, LPARAM);
+    LRESULT (*command)(void * /*closure*/, HWND /*window*/, UINT /*sourceid*/, UINT /*notificationcode*/, LPARAM);
+    LRESULT (*notify)(void * /*closure*/, HWND /*window*/, WPARAM /*sourceid*/, NMHDR *);
+} ALFWindowVTable;
+
+// layout flags
+#define ALF_QUERYSIZE       0x01
+#define ALF_HEXPAND         0x02
+#define ALF_VEXPAND         0x04
+#define ALF_MESSAGEFONT     0x08
+
+// messages
+#define ALF_WM__BASE            0x2800
+#define ALF_WM_QUERYSIZE        (ALF_WM__BASE + 1)
+#define ALF_WM_APPLYLAYOUT      (ALF_WM__BASE + 2)
+#define ALF_WM_UPDATEFONTS      (ALF_WM__BASE + 3)
+#define ALF_WM_ADDWIDGET        (ALF_WM__BASE + 4)
+#define ALF_WM_WIDGETBYID       (ALF_WM__BASE + 5)
+#define ALF_WM_REMOVEWIDGET     (ALF_WM__BASE + 6)
+#define ALF_WM_SETMODALRESULT   (ALF_WM__BASE + 7)
+#define ALF_WM_GETMODALRESULT   (ALF_WM__BASE + 8)
+#define ALF_WM_CENTIPOINTTOPX   (ALF_WM__BASE + 9)
+
+
+typedef struct {
+    const WCHAR    *className;
+    UINT            classStyle;
+    ALFWindowVTable vtbl;
+} ALFWindowClassParams;
+
+typedef struct {
+    void           *closure;
+    HWND            hwndParent;
+    UINT            windowStyle;
+    UINT            windowExStyle;
+} ALFWindowInstanceParams;
+
+typedef struct {
+    HWND    hwnd;
+    UINT    x;
+    UINT    y;
+    UINT    width;
+    UINT    height;
+    DWORD   flags;
+    UINT    margins[4];
+} ALFAddWidgetParams;
+
+LPTSTR
+ALF_RegisterWindowClass(HINSTANCE hInstance, const ALFWindowClassParams *params);
+
+void
+ALF_UnregisterWindowClass(HINSTANCE hInstance, LPCTSTR className);
+
+HWND
+ALF_InstantiateWindow(HINSTANCE hInstance, LPCTSTR className, const ALFWindowInstanceParams *params);
+
+int
+ALF_CentipointsToPixels(HWND win, int cptValue);
+
+LRESULT
+ALF_DefWindowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
+
+HWND
+ALF_AddLabel(HWND win, int id, UINT x, UINT y, const WCHAR *text);
+
+HWND
+ALF_AddEdit(HWND win, int id, UINT x, UINT y, const WCHAR *text);
+
+HWND
+ALF_AddButton(HWND win, int id, UINT x, UINT y, const WCHAR *text);
+
+void
+ALF_DestroyWidget(HWND win, int id);
+
+void
+ALF_AddWidget(HWND win, UINT x, UINT y, HWND widget, UINT cptWidth, UINT cptHeight, DWORD flags);
+
+void
+ALF_AddWidgetEx(HWND win, const ALFAddWidgetParams *params);
+
+HWND
+ALF_WidgetHwndById(HWND win, int id);
+
+void
+ALF_RecalculateLayout(HWND win);
+
+void
+ALF_UpdateFonts(HWND win);
+
+void
+ALF_ResizeWindow(HWND win, UINT cptWidth, UINT cptHeight);
+
+int
+ALF_ShowModal(HWND win);
+
+void
+ALF_SetModalResult(HWND win, int result);
+
+int
+ALF_GetModalResult(HWND win);
+
+#ifdef __cplusplus
+} // extern C
+#endif