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#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
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