From cd7b608f0517c1100f79b4a3ec654e4178373506 Mon Sep 17 00:00:00 2001
From: Jonas Kümmerlin <jonas@kuemmerlin.eu>
Date: Thu, 3 Jan 2019 01:06:00 +0100
Subject: widget layout improvements

---
 alf/alf.h | 40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

(limited to 'alf/alf.h')

diff --git a/alf/alf.h b/alf/alf.h
index f057b10..13b2571 100644
--- a/alf/alf.h
+++ b/alf/alf.h
@@ -45,6 +45,9 @@ typedef struct {
 #define ALF_WM_SETFOCUS         (ALF_WM__BASE + 10)
 #define ALF_WM_GETAPPLICATION   (ALF_WM__BASE + 11)
 #define ALF_WM_APPLYSIZE        (ALF_WM__BASE + 12)
+#define ALF_WM_GETLAYOUTPARAMS  (ALF_WM__BASE + 13)
+#define ALF_WM_SETLAYOUTPARAMS  (ALF_WM__BASE + 14)
+#define ALF_WM_GETWIDGETATPOS   (ALF_WM__BASE + 15)
 
 typedef struct {
     const TCHAR    *className;
@@ -60,7 +63,7 @@ typedef struct {
     UINT    height;
     DWORD   flags;
     UINT    margins[4];
-} ALFAddWidgetParams;
+} ALFWidgetLayoutParams;
 
 typedef struct ALFAppPriv *ALFAPP;
 
@@ -119,7 +122,7 @@ 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);
+ALF_AddWidgetEx(HWND win, const ALFWidgetLayoutParams *params);
 
 HWND
 ALF_WidgetHwndById(HWND win, WORD id);
@@ -157,6 +160,39 @@ ALF_Text(HWND hwnd);
 TCHAR * // free with HeapFree
 ALF_WidgetText(HWND parent, WORD id);
 
+DWORD
+ALF_WidgetLayoutFlags(HWND parent, HWND widget);
+
+BOOL
+ALF_SetWidgetLayoutFlags(HWND parent, HWND widget, DWORD flags);
+
+static inline void
+ALF_AddWidgetLayoutFlag(HWND parent, HWND widget, DWORD flag)
+{
+    ALF_SetWidgetLayoutFlags(parent, widget, ALF_WidgetLayoutFlags(parent, widget) | flag);
+}
+
+static inline void
+ALF_RemoveWidgetLayoutFlag(HWND parent, HWND widget, DWORD flag)
+{
+    ALF_SetWidgetLayoutFlags(parent, widget, ALF_WidgetLayoutFlags(parent, widget) & ~flag);
+}
+
+BOOL
+ALF_WidgetLayoutPosition(HWND parent, HWND widget, UINT *pX, UINT *pY);
+
+BOOL
+ALF_SetWidgetLayoutPosition(HWND parent, HWND widget, UINT x, UINT y);
+
+BOOL
+ALF_WidgetLayoutSize(HWND parent, HWND widget, UINT *pCptWidth, UINT *pCptHeight);
+
+BOOL
+ALF_SetWidgetLayoutSize(HWND parent, HWND widget, UINT cptWidth, UINT cptHeight);
+
+HWND
+ALF_WidgetAtLayoutPosition(HWND parent, UINT x, UINT y);
+
 // combo box
 
 HWND
-- 
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