166963Speter/**************************************************************************** 2262685Sdelphij * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. * 366963Speter * * 466963Speter * Permission is hereby granted, free of charge, to any person obtaining a * 566963Speter * copy of this software and associated documentation files (the * 666963Speter * "Software"), to deal in the Software without restriction, including * 766963Speter * without limitation the rights to use, copy, modify, merge, publish, * 866963Speter * distribute, distribute with modifications, sublicense, and/or sell * 966963Speter * copies of the Software, and to permit persons to whom the Software is * 1066963Speter * furnished to do so, subject to the following conditions: * 1166963Speter * * 1266963Speter * The above copyright notice and this permission notice shall be included * 1366963Speter * in all copies or substantial portions of the Software. * 1466963Speter * * 1566963Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1666963Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1766963Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1866963Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1966963Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2066963Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2166963Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2266963Speter * * 2366963Speter * Except as contained in this notice, the name(s) of the above copyright * 2466963Speter * holders shall not be used in advertising or otherwise to promote the * 2566963Speter * sale, use or other dealings in this Software without prior written * 2666963Speter * authorization. * 2766963Speter ****************************************************************************/ 2850276Speter 29262685Sdelphij/* $Id: panel.priv.h,v 1.25 2012/12/15 23:57:43 tom Exp $ */ 3066963Speter 3176726Speter#ifndef NCURSES_PANEL_PRIV_H 3276726Speter#define NCURSES_PANEL_PRIV_H 1 3350276Speter 3450276Speter#if HAVE_CONFIG_H 3550276Speter# include <ncurses_cfg.h> 3650276Speter#endif 3750276Speter 3850276Speter#include <stdlib.h> 3950276Speter#include <string.h> 4050276Speter#include <assert.h> 4150276Speter 42262629Sdelphijstruct screen; /* forward declaration */ 43262629Sdelphij 44262629Sdelphij#include "curses.priv.h" /* includes nc_panel.h */ 4576726Speter#include "panel.h" 4650276Speter 47262629Sdelphij 4866963Speter#if USE_RCS_IDS 4950276Speter# define MODULE_ID(id) static const char Ident[] = id; 5050276Speter#else 5150276Speter# define MODULE_ID(id) /*nothing*/ 5250276Speter#endif 5350276Speter 5450276Speter 5550276Speter#ifdef TRACE 5676726Speter extern NCURSES_EXPORT(const char *) _nc_my_visbuf (const void *); 5750276Speter# ifdef TRACE_TXT 5850276Speter# define USER_PTR(ptr) _nc_visbuf((const char *)ptr) 5950276Speter# else 6050276Speter# define USER_PTR(ptr) _nc_my_visbuf((const char *)ptr) 6150276Speter# endif 6250276Speter 63166124Srafan# define returnPanel(code) TRACE_RETURN(code,panel) 64166124Srafan 65166124Srafan extern NCURSES_EXPORT(PANEL *) _nc_retrace_panel (PANEL *); 6676726Speter extern NCURSES_EXPORT(void) _nc_dPanel (const char*, const PANEL*); 6776726Speter extern NCURSES_EXPORT(void) _nc_dStack (const char*, int, const PANEL*); 6876726Speter extern NCURSES_EXPORT(void) _nc_Wnoutrefresh (const PANEL*); 6976726Speter extern NCURSES_EXPORT(void) _nc_Touchpan (const PANEL*); 7076726Speter extern NCURSES_EXPORT(void) _nc_Touchline (const PANEL*, int, int); 7150276Speter 7250276Speter# define dBug(x) _tracef x 7350276Speter# define dPanel(text,pan) _nc_dPanel(text,pan) 7450276Speter# define dStack(fmt,num,pan) _nc_dStack(fmt,num,pan) 7550276Speter# define Wnoutrefresh(pan) _nc_Wnoutrefresh(pan) 7650276Speter# define Touchpan(pan) _nc_Touchpan(pan) 7750276Speter# define Touchline(pan,start,count) _nc_Touchline(pan,start,count) 7850276Speter#else /* !TRACE */ 79166124Srafan# define returnPanel(code) return code 8050276Speter# define dBug(x) 8150276Speter# define dPanel(text,pan) 8250276Speter# define dStack(fmt,num,pan) 8350276Speter# define Wnoutrefresh(pan) wnoutrefresh((pan)->win) 8450276Speter# define Touchpan(pan) touchwin((pan)->win) 8550276Speter# define Touchline(pan,start,count) touchline((pan)->win,start,count) 8650276Speter#endif 8750276Speter 88262629Sdelphij#if NCURSES_SP_FUNCS 89262629Sdelphij#define GetScreenHook(sp) \ 90262629Sdelphij struct panelhook* ph = NCURSES_SP_NAME(_nc_panelhook)(sp) 91262629Sdelphij#define GetPanelHook(pan) \ 92262685Sdelphij GetScreenHook(pan ? _nc_screen_of((pan)->win) : 0) 93262629Sdelphij#define GetWindowHook(win) \ 94262629Sdelphij SCREEN* sp = _nc_screen_of(win); \ 95262629Sdelphij GetScreenHook(sp) 96262629Sdelphij#define GetHook(pan) SCREEN* sp = _nc_screen_of(pan->win); \ 97262629Sdelphij GetScreenHook(sp) 98262629Sdelphij 99262629Sdelphij#define _nc_stdscr_pseudo_panel ((ph)->stdscr_pseudo_panel) 100262629Sdelphij#define _nc_top_panel ((ph)->top_panel) 101262629Sdelphij#define _nc_bottom_panel ((ph)->bottom_panel) 102262629Sdelphij 103262629Sdelphij#else /* !NCURSES_SP_FUNCS */ 104262629Sdelphij 105262629Sdelphij#define GetScreenHook(sp) /* nothing */ 106262629Sdelphij#define GetPanelHook(pan) /* nothing */ 107262629Sdelphij#define GetWindowHook(win) /* nothing */ 108262629Sdelphij#define GetHook(pan) /* nothing */ 109262629Sdelphij 11050276Speter#define _nc_stdscr_pseudo_panel _nc_panelhook()->stdscr_pseudo_panel 111262629Sdelphij#define _nc_top_panel _nc_panelhook()->top_panel 112262629Sdelphij#define _nc_bottom_panel _nc_panelhook()->bottom_panel 11350276Speter 114262629Sdelphij#endif /* NCURSES_SP_FUNCS */ 11550276Speter 116262629Sdelphij#define EMPTY_STACK() (_nc_top_panel == _nc_bottom_panel) 117262629Sdelphij#define Is_Bottom(p) (((p) != (PANEL*)0) && !EMPTY_STACK() && (_nc_bottom_panel->above == (p))) 118262629Sdelphij#define Is_Top(p) (((p) != (PANEL*)0) && !EMPTY_STACK() && (_nc_top_panel == (p))) 119262629Sdelphij#define Is_Pseudo(p) (((p) != (PANEL*)0) && ((p) == _nc_bottom_panel)) 120262629Sdelphij 12156639Speter/*+------------------------------------------------------------------------- 12262449Speter IS_LINKED(pan) - check to see if panel is in the stack 12356639Speter--------------------------------------------------------------------------*/ 12456639Speter/* This works! The only case where it would fail is, when the list has 12556639Speter only one element. But this could only be the pseudo panel at the bottom */ 12662449Speter#define IS_LINKED(p) (((p)->above || (p)->below ||((p)==_nc_bottom_panel)) ? TRUE : FALSE) 12756639Speter 12856639Speter#define PSTARTX(pan) ((pan)->win->_begx) 12962449Speter#define PENDX(pan) ((pan)->win->_begx + getmaxx((pan)->win) - 1) 13056639Speter#define PSTARTY(pan) ((pan)->win->_begy) 13162449Speter#define PENDY(pan) ((pan)->win->_begy + getmaxy((pan)->win) - 1) 13256639Speter 13356639Speter/*+------------------------------------------------------------------------- 13456639Speter PANELS_OVERLAPPED(pan1,pan2) - check panel overlapped 13556639Speter---------------------------------------------------------------------------*/ 13656639Speter#define PANELS_OVERLAPPED(pan1,pan2) \ 13756639Speter(( !(pan1) || !(pan2) || \ 13862449Speter PSTARTY(pan1) > PENDY(pan2) || PENDY(pan1) < PSTARTY(pan2) ||\ 13962449Speter PSTARTX(pan1) > PENDX(pan2) || PENDX(pan1) < PSTARTX(pan2) ) \ 14056639Speter ? FALSE : TRUE) 14156639Speter 14256639Speter 14362449Speter/*+------------------------------------------------------------------------- 14462449Speter Compute the intersection rectangle of two overlapping rectangles 14562449Speter---------------------------------------------------------------------------*/ 14662449Speter#define COMPUTE_INTERSECTION(pan1,pan2,ix1,ix2,iy1,iy2)\ 14762449Speter ix1 = (PSTARTX(pan1) < PSTARTX(pan2)) ? PSTARTX(pan2) : PSTARTX(pan1);\ 14862449Speter ix2 = (PENDX(pan1) < PENDX(pan2)) ? PENDX(pan1) : PENDX(pan2);\ 14962449Speter iy1 = (PSTARTY(pan1) < PSTARTY(pan2)) ? PSTARTY(pan2) : PSTARTY(pan1);\ 15062449Speter iy2 = (PENDY(pan1) < PENDY(pan2)) ? PENDY(pan1) : PENDY(pan2);\ 151262629Sdelphij assert((ix1<=ix2) && (iy1<=iy2)) 15262449Speter 15362449Speter 15462449Speter/*+------------------------------------------------------------------------- 15562449Speter Walk through the panel stack starting at the given location and 15662449Speter check for intersections; overlapping panels are "touched", so they 157166124Srafan are incrementally overwriting cells that should be hidden. 15862449Speter If the "touch" flag is set, the panel gets touched before it is 159166124Srafan updated. 16062449Speter---------------------------------------------------------------------------*/ 16176726Speter#define PANEL_UPDATE(pan,panstart)\ 16262449Speter{ PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\ 163262685Sdelphij while(pan2 && pan2->win) {\ 16456639Speter if ((pan2 != pan) && PANELS_OVERLAPPED(pan,pan2)) {\ 165262629Sdelphij int y, ix1, ix2, iy1, iy2;\ 166262629Sdelphij COMPUTE_INTERSECTION(pan, pan2, ix1, ix2, iy1, iy2);\ 16762449Speter for(y = iy1; y <= iy2; y++) {\ 16862449Speter if (is_linetouched(pan->win,y - PSTARTY(pan))) {\ 16962449Speter struct ldat* line = &(pan2->win->_line[y - PSTARTY(pan2)]);\ 170262629Sdelphij CHANGED_RANGE(line, ix1 - PSTARTX(pan2), ix2 - PSTARTX(pan2));\ 17162449Speter }\ 17256639Speter }\ 17356639Speter }\ 17456639Speter pan2 = pan2->above;\ 17562449Speter }\ 17656639Speter} 17762449Speter 17862449Speter/*+------------------------------------------------------------------------- 17962449Speter Remove panel from stack. 18062449Speter---------------------------------------------------------------------------*/ 18162449Speter#define PANEL_UNLINK(pan,err) \ 18262449Speter{ err = ERR;\ 18362449Speter if (pan) {\ 18462449Speter if (IS_LINKED(pan)) {\ 18562449Speter if ((pan)->below)\ 18662449Speter (pan)->below->above = (pan)->above;\ 18762449Speter if ((pan)->above)\ 18862449Speter (pan)->above->below = (pan)->below;\ 18962449Speter if ((pan) == _nc_bottom_panel) \ 19062449Speter _nc_bottom_panel = (pan)->above;\ 19162449Speter if ((pan) == _nc_top_panel) \ 19262449Speter _nc_top_panel = (pan)->below;\ 19362449Speter err = OK;\ 19462449Speter }\ 19562449Speter (pan)->above = (pan)->below = (PANEL*)0;\ 19662449Speter }\ 19762449Speter} 19862449Speter 19962449Speter#define HIDE_PANEL(pan,err,err_if_unlinked)\ 20062449Speter if (IS_LINKED(pan)) {\ 20176726Speter Touchpan(pan);\ 20276726Speter PANEL_UPDATE(pan,(PANEL*)0);\ 20362449Speter PANEL_UNLINK(pan,err);\ 20462449Speter } \ 20562449Speter else {\ 20676726Speter err = err_if_unlinked;\ 20762449Speter } 20862449Speter 209262629Sdelphij#if NCURSES_SP_FUNCS 210262629Sdelphij/* These may become later renamed and part of panel.h and the public API */ 211262629Sdelphijextern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_update_panels)(SCREEN*); 212262629Sdelphij#endif 213262629Sdelphij 21476726Speter#endif /* NCURSES_PANEL_PRIV_H */ 215