1 files changed, 22 insertions, 0 deletions
diff --git a/alf/alf.h b/alf/alf.h
index 32e221c..0d336c9 100644
--- a/alf/alf.h
+++ b/alf/alf.h
@@ -62,6 +62,9 @@ typedef struct {
 #define ALF_LABEL_ALIGN_BOTTOM         12
 #define ALF_LABEL_VALIGN_MASK          12
 
+// notebook flags
+#define ALF_NOTEBOOK_SOLID_TAB_BACKGROUND   1
+
 
 // messages
 #define ALF_WM__BASE            0x2800
@@ -107,6 +110,9 @@ typedef struct {
 
 #define ALF_WM_PANEL_SETVTABLE  (ALF_WM__BASE + 201)
 
+#define ALF_WM_NTBK_GETFLAGS    (ALF_WM__BASE + 201)
+#define ALF_WM_NTBK_SETFLAGS    (ALF_WM__BASE + 202)
+
 typedef DWORD ALFColor;
 
 #define ALF_COLOR_TRANSPARENT  ((ALFColor)-1)
@@ -378,6 +384,22 @@ ALF_NotebookSelectedPanel(HWND notebook);
 HWND
 ALF_NotebookTabPanel(HWND notebook, int index);
 
+DWORD
+ALF_NotebookFlags(HWND notebook);
+
+void
+ALF_NotebookSetFlags(HWND notebook, DWORD flags);
+
+static inline void
+ALF_NotebookAddFlag(HWND notebook, DWORD flag) {
+    ALF_NotebookSetFlags(notebook, ALF_NotebookFlags(notebook) | flag);
+}
+
+static inline void
+ALF_NotebookRemoveFlag(HWND notebook, DWORD flag) {
+    ALF_NotebookSetFlags(notebook, ALF_NotebookFlags(notebook) & ~flag);
+}
+
 #ifdef __cplusplus
 } // extern C
 #endif