// * this is for making emacs happy: -*-Mode: C++;-*-
-/*-----------------------------------------------------------------------------+
-| The ncurses menu C++ binding is Copyright (C) 1997 |
-| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
-| All Rights Reserved. |
-| |
-| Permission to use, copy, modify, and distribute this software and its |
-| documentation for any purpose and without fee is hereby granted, provided |
-| that the above copyright notice appear in all copies and that both that |
-| copyright notice and this permission notice appear in supporting |
-| documentation, and that the name of the above listed copyright holder(s) not |
-| be used in advertising or publicity pertaining to distribution of the |
-| software without specific, written prior permission. |
-| |
-| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
-| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
-| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
-| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
-| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
-| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
-| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
-+-----------------------------------------------------------------------------*/
+/****************************************************************************
+ * Copyright 2019-2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2011,2017 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, 1997 *
+ ****************************************************************************/
#include "internal.h"
+#include "cursesm.h"
+#include "cursesapp.h"
-MODULE_ID("$Id: cursesm.cc,v 1.4 1997/05/05 20:27:32 tom Exp $")
+MODULE_ID("$Id: cursesm.cc,v 1.27 2021/04/17 18:11:08 tom Exp $")
-#pragma implementation
+NCursesMenuItem::~NCursesMenuItem() THROWS(NCursesException)
+{
+ if (item)
+ OnError(::free_item(item));
+}
-#include "cursesm.h"
+bool
+NCursesMenuItem::action()
+{
+ return FALSE;
+}
-const int CMD_ACTION = MAX_COMMAND + 1;
-const int CMD_QUIT = MAX_COMMAND + 2;
+NCursesMenuCallbackItem::~NCursesMenuCallbackItem() THROWS(NCursesException)
+{
+}
-unsigned long NCursesMenu::total_count = 0;
+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
+ * so in C++ providing a hook is done simply by
* implementing a virtual method in a derived class
*/
void
-NCursesMenu::mnu_init(MENU *m)
+_nc_xx_mnu_init(MENU *m)
{
- getHook(m)->On_Menu_Init();
+ NCursesMenu::getHook(m)->On_Menu_Init();
}
void
-NCursesMenu::mnu_term(MENU *m)
+_nc_xx_mnu_term(MENU *m)
{
- getHook(m)->On_Menu_Termination();
+ NCursesMenu::getHook(m)->On_Menu_Termination();
}
void
-NCursesMenu::itm_init(MENU *m)
+_nc_xx_itm_init(MENU *m)
{
- NCursesMenu* M = getHook(m);
- M->On_Item_Init (M->current_item ());
+ NCursesMenu* M = NCursesMenu::getHook(m);
+ M->On_Item_Init (*(M->current_item ()));
}
void
-NCursesMenu::itm_term(MENU *m)
+_nc_xx_itm_term(MENU *m)
{
- NCursesMenu* M = getHook(m);
- M->On_Item_Termination (M->current_item ());
+ NCursesMenu* M = NCursesMenu::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];
+NCursesMenu::mapItems(NCursesMenuItem* nitems[])
+{
+ int itemCount = 0,lcv;
- for (lcv=0;nitems[lcv]->item;++lcv) {
- items[lcv] = nitems[lcv]->item;
- }
- items[lcv] = NULL;
+ for (lcv=0; nitems[lcv]->item; ++lcv)
+ ++itemCount;
- my_items = nitems;
+ ITEM** itemArray = new ITEM*[itemCount + 1];
- if (menu)
- delete[] ::menu_items(menu);
- return items;
-}
+ for (lcv=0;nitems[lcv]->item;++lcv) {
+ itemArray[lcv] = nitems[lcv]->item;
+ }
+ itemArray[lcv] = NULL;
+ my_items = nitems;
-void
-NCursesMenu::setItems(NCursesMenuItem* nitems[])
-{
- OnError(::set_menu_items(menu,mapItems(nitems)));
+ if (menu)
+ delete[] ::menu_items(menu);
+ return itemArray;
}
void
NCursesMenu::InitMenu(NCursesMenuItem* nitems[],
- bool with_frame) {
+ bool with_frame,
+ bool autoDelete_Items)
+{
int mrows, mcols;
-
- if (total_count++==0) {
- raw();
- keypad(TRUE);
- }
+
+ keypad(TRUE);
+ meta(TRUE);
b_framed = with_frame;
+ b_autoDelete = autoDelete_Items;
- menu = (MENU*)0;
+ menu = static_cast<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,(const 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);
-
+ ::set_menu_userptr(menu, static_cast<void*>(hook));
+
+ ::set_menu_init (menu, _nc_xx_mnu_init);
+ ::set_menu_term (menu, _nc_xx_mnu_term);
+ ::set_item_init (menu, _nc_xx_itm_init);
+ ::set_item_term (menu, _nc_xx_itm_term);
+
scale(mrows, mcols);
::set_menu_win(menu, w);
-
+
if (with_frame) {
if ((mrows > height()-2) || (mcols > width()-2))
- OnError(E_NO_ROOM);
+ 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;
+ sub = static_cast<NCursesWindow*>(0);
b_sub_owner = FALSE;
}
setDefaultAttributes();
}
void
-NCursesMenu::setDefaultAttributes() {
- if (NumberOfColors() > 1) {
- setcolor(1);
- setpalette(COLOR_YELLOW,COLOR_BLUE);
- setcolor(2);
- setpalette(COLOR_CYAN,COLOR_BLUE);
- setcolor(3);
- setpalette(COLOR_WHITE,COLOR_CYAN);
- ::set_menu_fore(menu, COLOR_PAIR(1));
- ::set_menu_back(menu, COLOR_PAIR(2));
- ::set_menu_grey(menu, COLOR_PAIR(3));
- }
- else {
- ::set_menu_fore(menu, A_BOLD);
- ::set_menu_back(menu, A_NORMAL);
- ::set_menu_grey(menu, A_DIM);
+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(NCursesMenuItem* menu[])
- : NCursesPanel() {
- InitMenu(menu);
-}
-
-NCursesMenu::NCursesMenu(NCursesMenuItem* menu[],
- int lines,
- int cols,
- int begin_y,
- int begin_x,
- bool with_frame)
- : NCursesPanel(lines, cols, begin_y, begin_x) {
- InitMenu(menu,with_frame);
-}
-
-NCursesMenu::~NCursesMenu() {
- UserHook* hook = (UserHook*)::menu_userptr(menu);
+NCursesMenu::~NCursesMenu() THROWS(NCursesException)
+{
+ UserHook* hook = reinterpret_cast<UserHook*>(::menu_userptr(menu));
delete hook;
if (b_sub_owner) {
+ ::set_menu_sub(menu, static_cast<WINDOW *>(0));
delete sub;
- ::set_menu_sub(menu,(WINDOW *)0);
}
- free_menu(menu);
-
- // It's essential to do this after free_menu()
- delete[] ::menu_items(menu);
- --total_count;
+ if (menu) {
+ ITEM** itms = ::menu_items(menu);
+ int cnt = count();
+
+ OnError(::set_menu_items(menu, static_cast<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
}
}
+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
+NCursesMenu::driver (int c)
+{
int res = ::menu_driver (menu, c);
switch (res) {
case E_OK:
return (res);
}
-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;
-}
-
+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) {
+// -------------------------------------------------------------------------
+int
+NCursesMenu::virtualize(int c)
+{
switch(c) {
- case CTRL('Q') : return(CMD_QUIT);
- case KEY_DOWN :
- case CTRL('N') : return(REQ_NEXT_ITEM);
- case KEY_UP :
- case CTRL('P') : return(REQ_PREV_ITEM);
- case CTRL('U') : return(REQ_SCR_ULINE);
- case CTRL('D') : return(REQ_SCR_DLINE);
- case CTRL('F') : return(REQ_SCR_DPAGE);
- case CTRL('B') : return(REQ_SCR_UPAGE);
- case CTRL('X') : return(REQ_CLEAR_PATTERN);
+ 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('Z') : return(REQ_PREV_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);
}
}
-NCursesMenuItem&
-NCursesMenu::operator()(void) {
+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))) {
+
+ while (!b_action && ((drvCmnd = virtualize((c = getKey()))) != CMD_QUIT)) {
+ int err;
+
+ switch((err = driver(drvCmnd))) {
case E_REQUEST_DENIED:
On_Request_Denied(c);
break;
break;
case E_UNKNOWN_COMMAND:
if (drvCmnd == CMD_ACTION) {
- NCursesMenuItem& itm = current_item();
- b_action = itm.action();
+ if (options() & O_ONEVALUE) {
+ NCursesMenuItem* itm = current_item();
+ assert(itm != 0);
+ 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;
unpost();
hide();
refresh();
- return *(my_items[::item_index (::current_item (menu))]);
+ 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) item;
+}
+
+void
+NCursesMenu::On_Item_Termination(NCursesMenuItem& item)
+{
+ (void) item;
+}
+
+void
+NCursesMenu::On_Request_Denied(int c) const
+{
+ (void) c;
+ ::beep();
+}
+
+void
+NCursesMenu::On_Not_Selectable(int c) const
+{
+ (void) c;
+ ::beep();
+}
+
+void
+NCursesMenu::On_No_Match(int c) const
+{
+ (void) c;
+ ::beep();
+}
+
+void
+NCursesMenu::On_Unknown_Command(int c) const
+{
+ (void) c;
+ ::beep();
}