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-rw-r--r--contrib/ncurses/c++/cursesm.cc383
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diff --git a/contrib/ncurses/c++/cursesm.cc b/contrib/ncurses/c++/cursesm.cc
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+// * this is for making emacs happy: -*-Mode: C++;-*-
+/****************************************************************************
+ * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1997 *
+ ****************************************************************************/
+
+#include "cursesm.h"
+#include "cursesapp.h"
+#include "internal.h"
+
+MODULE_ID("$Id: cursesm.cc,v 1.11 1999/07/31 09:45:23 juergen Exp $")
+
+NCursesMenuItem::~NCursesMenuItem() {
+ if (item)
+ OnError(::free_item(item));
+}
+
+bool
+NCursesMenuItem::action() {
+ return FALSE;
+};
+
+NCursesMenuCallbackItem::~NCursesMenuCallbackItem() {
+}
+
+bool
+NCursesMenuCallbackItem::action() {
+ if (p_fct)
+ return p_fct (*this);
+ else
+ return FALSE;
+}
+
+/* Internal hook functions. They will route the hook
+ * calls to virtual methods of the NCursesMenu class,
+ * so in C++ providing a hook is done simply by
+ * implementing a virtual method in a derived class
+ */
+void
+NCursesMenu::mnu_init(MENU *m) {
+ getHook(m)->On_Menu_Init();
+}
+
+void
+NCursesMenu::mnu_term(MENU *m) {
+ getHook(m)->On_Menu_Termination();
+}
+
+void
+NCursesMenu::itm_init(MENU *m) {
+ NCursesMenu* M = getHook(m);
+ M->On_Item_Init (*(M->current_item ()));
+}
+
+void
+NCursesMenu::itm_term(MENU *m) {
+ NCursesMenu* M = getHook(m);
+ M->On_Item_Termination (*(M->current_item ()));
+}
+
+/* Construct an ITEM* array from an array of NCursesMenuItem
+ * objects.
+ */
+ITEM**
+NCursesMenu::mapItems(NCursesMenuItem* nitems[]) {
+ int itemCount = 0,lcv;
+
+ for (lcv=0; nitems[lcv]->item; ++lcv)
+ ++itemCount;
+
+ ITEM** items = new ITEM*[itemCount + 1];
+
+ for (lcv=0;nitems[lcv]->item;++lcv) {
+ items[lcv] = nitems[lcv]->item;
+ }
+ items[lcv] = NULL;
+
+ my_items = nitems;
+
+ if (menu)
+ delete[] ::menu_items(menu);
+ return items;
+}
+
+void
+NCursesMenu::InitMenu(NCursesMenuItem* nitems[],
+ bool with_frame,
+ bool autoDelete_Items) {
+ int mrows, mcols;
+
+ keypad(TRUE);
+ meta(TRUE);
+
+ b_framed = with_frame;
+ b_autoDelete = autoDelete_Items;
+
+ menu = (MENU*)0;
+ menu = ::new_menu(mapItems(nitems));
+ if (!menu)
+ OnError (E_SYSTEM_ERROR);
+
+ UserHook* hook = new UserHook;
+ hook->m_user = NULL;
+ hook->m_back = this;
+ hook->m_owner = menu;
+ ::set_menu_userptr(menu,(void*)hook);
+
+ ::set_menu_init (menu, NCursesMenu::mnu_init);
+ ::set_menu_term (menu, NCursesMenu::mnu_term);
+ ::set_item_init (menu, NCursesMenu::itm_init);
+ ::set_item_term (menu, NCursesMenu::itm_term);
+
+ scale(mrows, mcols);
+ ::set_menu_win(menu, w);
+
+ if (with_frame) {
+ if ((mrows > height()-2) || (mcols > width()-2))
+ OnError(E_NO_ROOM);
+ sub = new NCursesWindow(*this,mrows,mcols,1,1,'r');
+ ::set_menu_sub(menu, sub->w);
+ b_sub_owner = TRUE;
+ }
+ else {
+ sub = (NCursesWindow*)0;
+ b_sub_owner = FALSE;
+ }
+ setDefaultAttributes();
+}
+
+void
+NCursesMenu::setDefaultAttributes() {
+ NCursesApplication* S = NCursesApplication::getApplication();
+ if (S) {
+ ::set_menu_fore(menu, S->foregrounds());
+ ::set_menu_back(menu, S->backgrounds());
+ ::set_menu_grey(menu, S->inactives());
+ }
+}
+
+NCursesMenu::~NCursesMenu() {
+ UserHook* hook = (UserHook*)::menu_userptr(menu);
+ delete hook;
+ if (b_sub_owner) {
+ delete sub;
+ ::set_menu_sub(menu,(WINDOW *)0);
+ }
+ if (menu) {
+ ITEM** itms = ::menu_items(menu);
+ int cnt = count();
+
+ OnError(::set_menu_items(menu,(ITEM**)0));
+
+ if (b_autoDelete) {
+ if (cnt>0) {
+ for (int i=0; i <= cnt; i++)
+ delete my_items[i];
+ }
+ delete[] my_items;
+ }
+
+ ::free_menu(menu);
+ // It's essential to do this after free_menu()
+ delete[] itms;
+ }
+}
+
+void
+NCursesMenu::setSubWindow(NCursesWindow& nsub) {
+ if (!isDescendant(nsub))
+ OnError(E_SYSTEM_ERROR);
+ else {
+ if (b_sub_owner)
+ delete sub;
+ sub = &nsub;
+ ::set_menu_sub(menu,sub->w);
+ }
+}
+
+bool
+NCursesMenu::set_pattern (const char *pat) {
+ int res = ::set_menu_pattern (menu, pat);
+ switch(res) {
+ case E_OK:
+ break;
+ case E_NO_MATCH:
+ return FALSE;
+ default:
+ OnError (res);
+ }
+ return TRUE;
+}
+
+// call the menu driver and do basic error checking.
+int
+NCursesMenu::driver (int c) {
+ int res = ::menu_driver (menu, c);
+ switch (res) {
+ case E_OK:
+ case E_REQUEST_DENIED:
+ case E_NOT_SELECTABLE:
+ case E_UNKNOWN_COMMAND:
+ case E_NO_MATCH:
+ break;
+ default:
+ OnError (res);
+ }
+ return (res);
+}
+
+static const int CMD_QUIT = MAX_COMMAND + 1;
+static const int CMD_ACTION = MAX_COMMAND + 2;
+//
+// -------------------------------------------------------------------------
+// Provide a default key virtualization. Translate the keyboard
+// code c into a menu request code.
+// The default implementation provides a hopefully straightforward
+// mapping for the most common keystrokes and menu requests.
+// -------------------------------------------------------------------------
+int
+NCursesMenu::virtualize(int c) {
+ switch(c) {
+ case CTRL('X') : return(CMD_QUIT); // eXit
+
+ case KEY_DOWN : return(REQ_DOWN_ITEM);
+ case CTRL('N') : return(REQ_NEXT_ITEM); // Next
+ case KEY_UP : return(REQ_UP_ITEM);
+ case CTRL('P') : return(REQ_PREV_ITEM); // Previous
+
+ case CTRL('U') : return(REQ_SCR_ULINE); // Up
+ case CTRL('D') : return(REQ_SCR_DLINE); // Down
+ case CTRL('F') : return(REQ_SCR_DPAGE); // Forward
+ case CTRL('B') : return(REQ_SCR_UPAGE); // Backward
+
+ case CTRL('Y') : return(REQ_CLEAR_PATTERN);
+ case CTRL('H') : return(REQ_BACK_PATTERN);
+ case CTRL('A') : return(REQ_NEXT_MATCH);
+ case CTRL('E') : return(REQ_PREV_MATCH);
+ case CTRL('T') : return(REQ_TOGGLE_ITEM);
+
+ case CTRL('J') :
+ case CTRL('M') : return(CMD_ACTION);
+
+ case KEY_HOME : return(REQ_FIRST_ITEM);
+ case KEY_LEFT : return(REQ_LEFT_ITEM);
+ case KEY_RIGHT : return(REQ_RIGHT_ITEM);
+ case KEY_END : return(REQ_LAST_ITEM);
+ case KEY_BACKSPACE : return(REQ_BACK_PATTERN);
+ case KEY_NPAGE : return(REQ_SCR_DPAGE);
+ case KEY_PPAGE : return(REQ_SCR_UPAGE);
+
+ default:
+ return(c);
+ }
+}
+
+NCursesMenuItem*
+NCursesMenu::operator()(void) {
+ int drvCmnd;
+ int err;
+ int c;
+ bool b_action = FALSE;
+
+ post();
+ show();
+ refresh();
+
+ while (!b_action && ((drvCmnd = virtualize((c=getch()))) != CMD_QUIT)) {
+
+ switch((err=driver(drvCmnd))) {
+ case E_REQUEST_DENIED:
+ On_Request_Denied(c);
+ break;
+ case E_NOT_SELECTABLE:
+ On_Not_Selectable(c);
+ break;
+ case E_UNKNOWN_COMMAND:
+ if (drvCmnd == CMD_ACTION) {
+ if (options() & O_ONEVALUE) {
+ NCursesMenuItem* itm = current_item();
+ assert(itm);
+ if (itm->options() & O_SELECTABLE)
+ {
+ b_action = itm->action();
+ refresh();
+ }
+ else
+ On_Not_Selectable(c);
+ }
+ else {
+ int n = count();
+ for(int i=0; i<n; i++) {
+ NCursesMenuItem* itm = my_items[i];
+ if (itm->value()) {
+ b_action |= itm->action();
+ refresh();
+ }
+ }
+ }
+ } else
+ On_Unknown_Command(c);
+ break;
+ case E_NO_MATCH:
+ On_No_Match(c);
+ break;
+ case E_OK:
+ break;
+ default:
+ OnError(err);
+ }
+ }
+
+ unpost();
+ hide();
+ refresh();
+ if (options() & O_ONEVALUE)
+ return my_items[::item_index (::current_item (menu))];
+ else
+ return NULL;
+}
+
+void
+NCursesMenu::On_Menu_Init() {
+}
+
+void
+NCursesMenu::On_Menu_Termination() {
+}
+
+void
+NCursesMenu::On_Item_Init(NCursesMenuItem& item) {
+}
+
+void
+NCursesMenu::On_Item_Termination(NCursesMenuItem& item) {
+}
+
+void
+NCursesMenu::On_Request_Denied(int c) const {
+ beep();
+}
+
+void
+NCursesMenu::On_Not_Selectable(int c) const {
+ beep();
+}
+
+void
+NCursesMenu::On_No_Match(int c) const {
+ beep();
+}
+
+void
+NCursesMenu::On_Unknown_Command(int c) const {
+ beep();
+}
+