Added files for selection field support

src/menu.c

@@ -0,0 +1,220 @@
+/* TN5250 - An implementation of the 5250 telnet protocol.
+ * Copyright (C) 2000 Jay 'Eraserhead' Felice
+ * 
+ * This file is part of TN5250.
+ *
+ * TN5250 is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1, or (at your option)
+ * any later version.
+ * 
+ * TN5250 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this software; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
+ * 
+ */
+#include "tn5250-private.h"
+
+Tn5250Menu *
+tn5250_menu_new ()
+{
+  Tn5250Menu *This = tn5250_new (Tn5250Menu, 1);
+  if (This == NULL)
+    {
+      return NULL;
+    }
+  memset (This, 0, sizeof (Tn5250Menu));
+  This->next = NULL;
+  This->prev = NULL;
+  This->table = NULL;
+  This->id = -1;
+  return (This);
+}
+
+
+Tn5250Menu *
+tn5250_menu_copy (Tn5250Menu * This)
+{
+  Tn5250Menu *win = tn5250_new (Tn5250Menu, 1);
+
+  if (win == NULL)
+    {
+      return NULL;
+    }
+  memcpy (win, This, sizeof (Tn5250Menu));
+  win->next = NULL;
+  win->prev = NULL;
+  return win;
+}
+
+
+void
+tn5250_menu_destroy (Tn5250Menu * This)
+{
+  free (This);
+}
+
+
+int
+tn5250_menu_start_row (Tn5250Menu * This)
+{
+  return (This->row);
+}
+
+
+int
+tn5250_menu_start_col (Tn5250Menu * This)
+{
+  return (This->column);
+}
+
+
+int
+tn5250_menu_height (Tn5250Menu * This)
+{
+  return (This->height);
+}
+
+
+int
+tn5250_menu_size (Tn5250Menu * This)
+{
+  return (This->size);
+}
+
+
+int
+tn5250_menu_items (Tn5250Menu * This)
+{
+  return (This->items);
+}
+
+
+Tn5250Menu *
+tn5250_menu_list_destroy (Tn5250Menu * list)
+{
+  Tn5250Menu *iter, *next;
+
+  if ((iter = list) != NULL)
+    {
+      do
+	{
+	  next = iter->next;
+	  tn5250_menu_destroy (iter);
+	  iter = next;
+	}
+      while (iter != list);
+    }
+  return NULL;
+}
+
+
+Tn5250Menu *
+tn5250_menu_list_add (Tn5250Menu * list, Tn5250Menu * node)
+{
+  node->prev = node->next = NULL;
+
+  if (list == NULL)
+    {
+      node->next = node->prev = node;
+      return node;
+    }
+  node->next = list;
+  node->prev = list->prev;
+  node->prev->next = node;
+  node->next->prev = node;
+  return list;
+}
+
+
+Tn5250Menu *
+tn5250_menu_list_remove (Tn5250Menu * list, Tn5250Menu * node)
+{
+  if (list == NULL)
+    {
+      return NULL;
+    }
+  if ((list->next == list) && (list == node))
+    {
+      node->next = node->prev = NULL;
+      return NULL;
+    }
+  if (list == node)
+    {
+      list = list->next;
+    }
+
+  node->next->prev = node->prev;
+  node->prev->next = node->next;
+  node->prev = node->next = NULL;
+  return list;
+}
+
+
+Tn5250Menu *
+tn5250_menu_list_find_by_id (Tn5250Menu * list, int id)
+{
+  Tn5250Menu *iter;
+
+  if ((iter = list) != NULL)
+    {
+      do
+	{
+	  if (iter->id == id)
+	    {
+	      return iter;
+	    }
+	  iter = iter->next;
+	}
+      while (iter != list);
+    }
+  return NULL;
+}
+
+
+Tn5250Menu *
+tn5250_menu_list_copy (Tn5250Menu * This)
+{
+  Tn5250Menu *new_list = NULL, *iter, *new_menu;
+  if ((iter = This) != NULL)
+    {
+      do
+	{
+	  new_menu = tn5250_menu_copy (iter);
+	  if (new_menu != NULL)
+	    {
+	      new_list = tn5250_menu_list_add (new_list, new_menu);
+	    }
+	  iter = iter->next;
+	}
+      while (iter != This);
+    }
+  return new_list;
+}
+
+
+Tn5250Menu *
+tn5250_menu_hit_test (Tn5250Menu * list, int x, int y)
+{
+  Tn5250Menu *iter;
+
+  if ((iter = list) != NULL)
+    {
+      do
+	{
+	  if ((iter->column == x) && (iter->row == y))
+	    {
+	      return iter;
+	    }
+	  iter = iter->next;
+	}
+      while (iter != list);
+    }
+  return NULL;
+}

src/menu.h

@@ -0,0 +1,151 @@
+#ifndef MENU_H
+#define MENU_H
+
+/* TN5250 - An implementation of the 5250 telnet protocol.
+ * Copyright (C) 1997 Michael Madore
+ * 
+ * This file is part of TN5250.
+ *
+ * TN5250 is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1, or (at your option)
+ * any later version.
+ * 
+ * TN5250 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this software; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
+ * 
+ */
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define MENU_TYPE_MENUBAR 0x01 /* Menu bar */
+#define MENU_TYPE_SINGLE_SELECT_FIELD 0x11 /* Single choice selection field */
+#define MENU_TYPE_MULTIPLE_SELECT_FIELD 0x12 /* Multiple choice selection field */
+#define MENU_TYPE_SINGLE_SELECT_LIST 0x21 /* Single choice selection list */
+#define MENU_TYPE_MULTIPLE_SELECT_LIST 0x22 /* Multiple choice selection list */
+#define MENU_TYPE_SINGLE_SELECT_FIELD_PULL_DOWN 0x31 /* Single choice selection field and a pull-down list */
+#define MENU_TYPE_MULTIPLE_SELECT_FIELD_PULL_DOWN 0x32 /* Multiple choice selection field and a pull-down list */
+#define MENU_TYPE_PUSH_BUTTONS 0x41 /* Push buttons */
+#define MENU_TYPE_PUSH_BUTTONS_PULL_DOWN 0x51 /* Push buttons in a pull-down menu */
+
+
+  struct _Tn5250Menu;
+  struct _Tn5250DBuffer;
+
+/***** lib5250/Tn5250Menu
+ * NAME
+ *    Tn5250Menu
+ * SYNOPSIS
+ *    Tn5250Menu *menu = tn5250_menu_new ();
+ * DESCRIPTION
+ *    The Tn5250Menu object manages a 5250 menu on the display.
+ * SOURCE
+ */
+  struct _Tn5250Menu
+  {
+    struct _Tn5250Menu *next;
+    struct _Tn5250Menu *prev;
+    unsigned int id;		/* Numeric ID of this menu */
+    unsigned char mdt;
+    short use_scrollbar;
+    short num_sep_blank;
+    short asterisk;
+    short inputonly;
+    short fieldadvischaradv;
+    short nocursormove;
+    unsigned char type;
+    unsigned int row;		/* Row menu starts on */
+    unsigned int column;	/* Column menu starts on */
+    unsigned int size;		/* max size (in characters) of menu item */
+    unsigned int height;	/* height (in rows) of menu */
+    unsigned int items;		/* number of items on this menu */
+    struct _Tn5250DBuffer *table;
+  };
+
+  typedef struct _Tn5250Menu Tn5250Menu;
+
+/* Manipulate menus */
+  extern Tn5250Menu *tn5250_menu_new ();
+  extern Tn5250Menu *tn5250_menu_copy (Tn5250Menu * This);
+  extern void tn5250_menu_destroy (Tn5250Menu * This);
+  extern int tn5250_menu_start_row (Tn5250Menu * This);
+  extern int tn5250_menu_start_col (Tn5250Menu * This);
+  extern int tn5250_menu_size (Tn5250Menu * This);
+  extern int tn5250_menu_height (Tn5250Menu * This);
+  extern int tn5250_menu_items (Tn5250Menu * This);
+
+/* Manipulate menu lists */
+  extern Tn5250Menu *tn5250_menu_list_destroy (Tn5250Menu * list);
+  extern Tn5250Menu *tn5250_menu_list_add (Tn5250Menu * list,
+					   Tn5250Menu * node);
+  extern Tn5250Menu *tn5250_menu_list_remove (Tn5250Menu * list,
+					      Tn5250Menu * node);
+  extern Tn5250Menu *tn5250_menu_list_find_by_id (Tn5250Menu * list, int id);
+  extern Tn5250Menu *tn5250_menu_list_copy (Tn5250Menu * list);
+  extern Tn5250Menu *tn5250_menu_hit_test (Tn5250Menu * list, int x, int y);
+
+
+  struct _Tn5250Menuitem;
+  struct _Tn5250DBuffer;
+
+/***** lib5250/Tn5250Menuitem
+ * NAME
+ *    Tn5250Menuitem
+ * SYNOPSIS
+ *    Tn5250Menuitem *menuitem = tn5250_menuitem_new ();
+ * DESCRIPTION
+ *    The Tn5250Menuitem object manages a 5250 menuitem on the display.
+ * SOURCE
+ */
+  struct _Tn5250Menuitem
+  {
+    struct _Tn5250Menuitem *next;
+    struct _Tn5250Menuitem *prev;
+    unsigned int id;		/* Numeric ID of this menuitem */
+    unsigned int row;		/* Row menuitem starts on */
+    unsigned int column;	/* Column menuitem starts on */
+    unsigned int height;	/* height (in characters) of menuitem */
+    unsigned int width;		/* width (in characters) of menuitem */
+    unsigned int border[4];	/* Characters used to create borders
+				 * Uses the same masks as buf5250 */
+    struct _Tn5250DBuffer *table;
+  };
+
+  typedef struct _Tn5250Menuitem Tn5250Menuitem;
+
+/* Manipulate menuitems */
+  extern Tn5250Menuitem *tn5250_menuitem_new ();
+  extern Tn5250Menuitem *tn5250_menuitem_copy (Tn5250Menuitem * This);
+  extern void tn5250_menuitem_destroy (Tn5250Menuitem * This);
+  extern int tn5250_menuitem_start_row (Tn5250Menuitem * This);
+  extern int tn5250_menuitem_start_col (Tn5250Menuitem * This);
+  extern int tn5250_menuitem_height (Tn5250Menuitem * This);
+  extern int tn5250_menuitem_width (Tn5250Menuitem * This);
+
+/* Manipulate menuitem lists */
+  extern Tn5250Menuitem *tn5250_menuitem_list_destroy (Tn5250Menuitem * list);
+  extern Tn5250Menuitem *tn5250_menuitem_list_add (Tn5250Menuitem * list,
+						   Tn5250Menuitem * node);
+  extern Tn5250Menuitem *tn5250_menuitem_list_remove (Tn5250Menuitem * list,
+						      Tn5250Menuitem * node);
+  extern Tn5250Menuitem *tn5250_menuitem_list_find_by_id (Tn5250Menuitem *
+							  list, int id);
+  extern Tn5250Menuitem *tn5250_menuitem_list_copy (Tn5250Menuitem * list);
+  extern Tn5250Menuitem *tn5250_menuitem_hit_test (Tn5250Menuitem * list,
+						   int x, int y);
+
+#ifdef __cplusplus
+}
+
+#endif
+#endif				/* MENU_H */