move layout into own file, implement expand flag

1 files changed, 70 insertions, 0 deletions

diff --git a/alf/alflayout.h b/alf/alflayout.h
new file mode 100644
index 0000000..4787550
--- /dev/null
+++ b/alf/alflayout.h
@@ -0,0 +1,70 @@
+#pragma once
+
+#include "alf.h"
+#include "alflist.h"
+
+typedef struct {
+    ALFListHeader list;
+    HWND hwnd;
+    UINT x;
+    UINT y;
+    UINT cptWidth;
+    UINT cptHeight;
+    UINT cptMarginTop;
+    UINT cptMarginRight;
+    UINT cptMarginBottom;
+    UINT cptMarginLeft;
+    DWORD flags;
+} ALFWidgetPriv;
+
+typedef struct {
+    int minWidth;
+    int allocatedWidth;
+    int allocatedPosition;
+    int expand : 1;
+} ALFLayoutRowOrColumn;
+
+typedef struct {
+    ALFListHeader         widgets;
+    ALFLayoutRowOrColumn *columns;
+    ALFLayoutRowOrColumn *rows;
+    int                   nColumns;
+    int                   nRows;
+    int                   totalMinWidth;
+    int                   totalMinHeight;
+    int                   expandoColumnCount;
+    int                   expandoRowCount;
+} ALFLayout;
+
+void
+ALF_Layout_Init(ALFLayout *layout);
+
+void
+ALF_Layout_Clear(ALFLayout *layout);
+
+void
+ALF_Layout_CalcSizes(ALFLayout *layout, HWND window);
+
+void
+ALF_Layout_Apply(ALFLayout *layout, HWND window);
+
+void
+ALF_Layout_AddWidget(ALFLayout *layout, HWND window, const ALFWidgetLayoutParams *params);
+
+BOOL
+ALF_Layout_RemoveWidget(ALFLayout *layout, HWND window, HWND widget, BOOL destroy);
+
+BOOL
+ALF_Layout_SetWidgetParams(ALFLayout *layout, const ALFWidgetLayoutParams *params, HWND widget);
+
+BOOL
+ALF_Layout_GetWidgetParams(ALFLayout *layout, ALFWidgetLayoutParams *params, HWND widget);
+
+BOOL
+ALF_Layout_HandleMessage(ALFLayout *layout, HWND window, WPARAM wparam, LPARAM lparam);
+
+HWND
+ALF_Layout_WidgetAtPos(ALFLayout *layout, UINT x, UINT y);
+
+void
+ALF_Layout_UpdateFonts(ALFLayout *layout, HWND window, const ALFWindowFonts *fonts);