nsDialogs: the next InstallOptions

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5199 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/nsDialogs/defs.h

@@ -0,0 +1,64 @@
+#ifndef __NS_DIALOGS__DEFS_H__
+#define __NS_DIALOGS__DEFS_H__
+
+#include <windows.h>
+
+#define NSDFUNC __stdcall
+
+typedef int nsFunction;
+
+enum nsControlType
+{
+  NSCTL_UNKNOWN,
+  NSCTL_BUTTON,
+  NSCTL_EDIT,
+  NSCTL_COMBOBOX,
+  NSCTL_LISTBOX,
+  NSCTL_RICHEDIT,
+  NSCTL_RICHEDIT2,
+  NSCTL_STATIC
+};
+
+struct nsDialogCallbacks
+{
+  nsFunction onBack;
+};
+
+#define DLG_CALLBACK_IDX(x) (FIELD_OFFSET(struct nsDialogCallbacks, x)/sizeof(nsFunction))
+
+struct nsControlCallbacks
+{
+  nsFunction onClick;
+  nsFunction onChange;
+  nsFunction onNotify;
+};
+
+#define CTL_CALLBACK_IDX(x) (FIELD_OFFSET(struct nsControlCallbacks, x)/sizeof(nsFunction))
+
+#define USERDATA_SIZE 1024
+
+struct nsControl
+{
+  HWND               window;
+  enum nsControlType type;
+  char userData[USERDATA_SIZE];
+  struct nsControlCallbacks callbacks;
+};
+
+struct nsDialog
+{
+  HWND hwDialog;
+  HWND hwParent;
+
+  WNDPROC parentOriginalWndproc;
+
+  struct nsDialogCallbacks callbacks;
+
+  unsigned controlCount;
+
+  struct nsControl* controls;
+};
+
+#define NSCONTROL_ID_PROP "NSIS: nsControl pointer property"
+
+#endif//__NS_DIALOGS__DEFS_H__