ncurses/c++/cursesapp.cc

166 lines
5.1 KiB
C++

// * this is for making emacs happy: -*-Mode: C++;-*-
/****************************************************************************
* Copyright 2019,2020 Thomas E. Dickey *
* Copyright 1998-2007,2008 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 *
* and: Thomas E. Dickey *
****************************************************************************/
#include "internal.h"
#include "cursesapp.h"
MODULE_ID("$Id: cursesapp.cc,v 1.17 2020/02/02 23:34:34 tom Exp $")
void
NCursesApplication::init(bool bColors)
{
if (bColors)
NCursesWindow::useColors();
if (Root_Window->colors() > 1) {
b_Colors = TRUE;
Root_Window->setcolor(1);
Root_Window->setpalette(COLOR_YELLOW,COLOR_BLUE);
Root_Window->setcolor(2);
Root_Window->setpalette(COLOR_CYAN,COLOR_BLUE);
Root_Window->setcolor(3);
Root_Window->setpalette(COLOR_BLACK,COLOR_BLUE);
Root_Window->setcolor(4);
Root_Window->setpalette(COLOR_BLACK,COLOR_CYAN);
Root_Window->setcolor(5);
Root_Window->setpalette(COLOR_BLUE,COLOR_YELLOW);
Root_Window->setcolor(6);
Root_Window->setpalette(COLOR_BLACK,COLOR_GREEN);
}
else
b_Colors = FALSE;
Root_Window->bkgd(' '|window_backgrounds());
}
NCursesApplication* NCursesApplication::theApp = 0;
NCursesWindow* NCursesApplication::titleWindow = 0;
NCursesApplication::SLK_Link* NCursesApplication::slk_stack = 0;
NCursesApplication::~NCursesApplication() THROWS(NCursesException)
{
Soft_Label_Key_Set* S;
delete titleWindow;
titleWindow = 0;
while( (S=top()) ) {
pop();
delete S;
}
delete Root_Window;
Root_Window = 0;
::endwin();
}
int NCursesApplication::rinit(NCursesWindow& w)
{
titleWindow = &w;
return OK;
}
void NCursesApplication::push(Soft_Label_Key_Set& S)
{
SLK_Link* L = new SLK_Link;
assert(L != 0);
L->prev = slk_stack;
L->SLKs = &S;
slk_stack = L;
if (Root_Window)
S.show();
}
bool NCursesApplication::pop()
{
if (slk_stack) {
SLK_Link* L = slk_stack;
slk_stack = slk_stack->prev;
delete L;
if (Root_Window) {
Soft_Label_Key_Set* xx = top();
if (xx != 0)
xx->show();
}
}
return (slk_stack ? FALSE : TRUE);
}
Soft_Label_Key_Set* NCursesApplication::top() const
{
if (slk_stack)
return slk_stack->SLKs;
else
return static_cast<Soft_Label_Key_Set*>(0);
}
int NCursesApplication::operator()(void)
{
bool bColors = b_Colors;
Soft_Label_Key_Set* S = 0;
int ts = titlesize();
if (ts>0)
NCursesWindow::ripoffline(ts,rinit);
Soft_Label_Key_Set::Label_Layout fmt = useSLKs();
if (fmt!=Soft_Label_Key_Set::None) {
S = new Soft_Label_Key_Set(fmt);
assert(S != 0);
init_labels(*S);
}
Root_Window = new NCursesWindow(::stdscr);
init(bColors);
if (ts>0)
title();
if (fmt!=Soft_Label_Key_Set::None) {
push(*S);
}
return run();
}
NCursesApplication::NCursesApplication(bool bColors)
: b_Colors(bColors),
Root_Window(NULL)
{
if (theApp)
THROW(new NCursesException("Application object already created."));
else
theApp = this;
}