1 files changed, 31 insertions, 6 deletions
diff --git a/src/internal.h b/src/internal.h
index 3721c10..8678982 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -9,8 +9,8 @@
 #include "attributes.h"
 #include "types.h"
 
-#include "pugl/attributes.h"
-#include "pugl/pugl.h"
+#include <pugl/attributes.h>
+#include <pugl/pugl.h>
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -18,9 +18,29 @@
 
 PUGL_BEGIN_DECLS
 
+/// Return true if `x`,`y` is a valid position
+bool
+puglIsValidPosition(int x, int y);
+
+/// Return true if `width`,`height` is a valid position
+bool
+puglIsValidSize(unsigned x, unsigned y);
+
 /// Return true if `size` is a valid view size
 bool
-puglIsValidSize(PuglViewSize size);
+puglIsValidArea(PuglArea size);
+
+/// Return the center point of some "soft" ancestor (parent window or screen)
+PuglPoint
+puglGetAncestorCenter(const PuglView* view);
+
+/// Return the initial size of a view
+PuglArea
+puglGetInitialSize(const PuglView* view);
+
+/// Return the initial position of a view if known, or an invalid position
+PuglPoint
+puglGetInitialPosition(const PuglView* view, PuglArea size);
 
 /// Set hint to a default value if it is unset (PUGL_DONT_CARE)
 void
@@ -34,8 +54,14 @@ puglSetBlob(PuglBlob* dest, const void* data, size_t len);
 void
 puglSetString(char** dest, const char* string);
 
+/// Store `width` and `height` as the current value of a size `hint`
+PuglStatus
+puglStoreSizeHint(PuglView*    view,
+                  PuglSizeHint hint,
+                  unsigned     width,
+                  unsigned     height);
+
 /// Handle a changed string property
-PUGL_API
 PuglStatus
 puglViewStringChanged(PuglView* view, PuglStringHint key, const char* value);
 
@@ -56,8 +82,7 @@ PuglStatus
 puglDispatchSimpleEvent(PuglView* view, PuglEventType type);
 
 /// Process configure event while already in the graphics context
-PUGL_WARN_UNUSED_RESULT
-PuglStatus
+PUGL_WARN_UNUSED_RESULT PuglStatus
 puglConfigure(PuglView* view, const PuglEvent* event);
 
 /// Dispatch `event` to `view`, entering graphics context if necessary