215 lines
8.8 KiB
C
215 lines
8.8 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/* $Id: panel.priv.h,v 1.25 2012/12/15 23:57:43 tom Exp $ */
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#ifndef NCURSES_PANEL_PRIV_H
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#define NCURSES_PANEL_PRIV_H 1
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#if HAVE_CONFIG_H
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# include <ncurses_cfg.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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struct screen; /* forward declaration */
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#include "curses.priv.h" /* includes nc_panel.h */
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#include "panel.h"
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#if USE_RCS_IDS
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# define MODULE_ID(id) static const char Ident[] = id;
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#else
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# define MODULE_ID(id) /*nothing*/
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#endif
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#ifdef TRACE
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extern NCURSES_EXPORT(const char *) _nc_my_visbuf (const void *);
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# ifdef TRACE_TXT
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# define USER_PTR(ptr) _nc_visbuf((const char *)ptr)
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# else
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# define USER_PTR(ptr) _nc_my_visbuf((const char *)ptr)
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# endif
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# define returnPanel(code) TRACE_RETURN(code,panel)
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extern NCURSES_EXPORT(PANEL *) _nc_retrace_panel (PANEL *);
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extern NCURSES_EXPORT(void) _nc_dPanel (const char*, const PANEL*);
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extern NCURSES_EXPORT(void) _nc_dStack (const char*, int, const PANEL*);
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extern NCURSES_EXPORT(void) _nc_Wnoutrefresh (const PANEL*);
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extern NCURSES_EXPORT(void) _nc_Touchpan (const PANEL*);
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extern NCURSES_EXPORT(void) _nc_Touchline (const PANEL*, int, int);
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# define dBug(x) _tracef x
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# define dPanel(text,pan) _nc_dPanel(text,pan)
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# define dStack(fmt,num,pan) _nc_dStack(fmt,num,pan)
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# define Wnoutrefresh(pan) _nc_Wnoutrefresh(pan)
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# define Touchpan(pan) _nc_Touchpan(pan)
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# define Touchline(pan,start,count) _nc_Touchline(pan,start,count)
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#else /* !TRACE */
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# define returnPanel(code) return code
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# define dBug(x)
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# define dPanel(text,pan)
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# define dStack(fmt,num,pan)
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# define Wnoutrefresh(pan) wnoutrefresh((pan)->win)
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# define Touchpan(pan) touchwin((pan)->win)
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# define Touchline(pan,start,count) touchline((pan)->win,start,count)
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#endif
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#if NCURSES_SP_FUNCS
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#define GetScreenHook(sp) \
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struct panelhook* ph = NCURSES_SP_NAME(_nc_panelhook)(sp)
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#define GetPanelHook(pan) \
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GetScreenHook(pan ? _nc_screen_of((pan)->win) : 0)
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#define GetWindowHook(win) \
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SCREEN* sp = _nc_screen_of(win); \
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GetScreenHook(sp)
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#define GetHook(pan) SCREEN* sp = _nc_screen_of(pan->win); \
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GetScreenHook(sp)
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#define _nc_stdscr_pseudo_panel ((ph)->stdscr_pseudo_panel)
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#define _nc_top_panel ((ph)->top_panel)
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#define _nc_bottom_panel ((ph)->bottom_panel)
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#else /* !NCURSES_SP_FUNCS */
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#define GetScreenHook(sp) /* nothing */
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#define GetPanelHook(pan) /* nothing */
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#define GetWindowHook(win) /* nothing */
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#define GetHook(pan) /* nothing */
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#define _nc_stdscr_pseudo_panel _nc_panelhook()->stdscr_pseudo_panel
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#define _nc_top_panel _nc_panelhook()->top_panel
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#define _nc_bottom_panel _nc_panelhook()->bottom_panel
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#endif /* NCURSES_SP_FUNCS */
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#define EMPTY_STACK() (_nc_top_panel == _nc_bottom_panel)
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#define Is_Bottom(p) (((p) != (PANEL*)0) && !EMPTY_STACK() && (_nc_bottom_panel->above == (p)))
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#define Is_Top(p) (((p) != (PANEL*)0) && !EMPTY_STACK() && (_nc_top_panel == (p)))
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#define Is_Pseudo(p) (((p) != (PANEL*)0) && ((p) == _nc_bottom_panel))
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/*+-------------------------------------------------------------------------
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IS_LINKED(pan) - check to see if panel is in the stack
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--------------------------------------------------------------------------*/
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/* This works! The only case where it would fail is, when the list has
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only one element. But this could only be the pseudo panel at the bottom */
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#define IS_LINKED(p) (((p)->above || (p)->below ||((p)==_nc_bottom_panel)) ? TRUE : FALSE)
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#define PSTARTX(pan) ((pan)->win->_begx)
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#define PENDX(pan) ((pan)->win->_begx + getmaxx((pan)->win) - 1)
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#define PSTARTY(pan) ((pan)->win->_begy)
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#define PENDY(pan) ((pan)->win->_begy + getmaxy((pan)->win) - 1)
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/*+-------------------------------------------------------------------------
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PANELS_OVERLAPPED(pan1,pan2) - check panel overlapped
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---------------------------------------------------------------------------*/
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#define PANELS_OVERLAPPED(pan1,pan2) \
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(( !(pan1) || !(pan2) || \
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PSTARTY(pan1) > PENDY(pan2) || PENDY(pan1) < PSTARTY(pan2) ||\
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PSTARTX(pan1) > PENDX(pan2) || PENDX(pan1) < PSTARTX(pan2) ) \
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? FALSE : TRUE)
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/*+-------------------------------------------------------------------------
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Compute the intersection rectangle of two overlapping rectangles
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---------------------------------------------------------------------------*/
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#define COMPUTE_INTERSECTION(pan1,pan2,ix1,ix2,iy1,iy2)\
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ix1 = (PSTARTX(pan1) < PSTARTX(pan2)) ? PSTARTX(pan2) : PSTARTX(pan1);\
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ix2 = (PENDX(pan1) < PENDX(pan2)) ? PENDX(pan1) : PENDX(pan2);\
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iy1 = (PSTARTY(pan1) < PSTARTY(pan2)) ? PSTARTY(pan2) : PSTARTY(pan1);\
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iy2 = (PENDY(pan1) < PENDY(pan2)) ? PENDY(pan1) : PENDY(pan2);\
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assert((ix1<=ix2) && (iy1<=iy2))
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/*+-------------------------------------------------------------------------
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Walk through the panel stack starting at the given location and
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check for intersections; overlapping panels are "touched", so they
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are incrementally overwriting cells that should be hidden.
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If the "touch" flag is set, the panel gets touched before it is
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updated.
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---------------------------------------------------------------------------*/
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#define PANEL_UPDATE(pan,panstart)\
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{ PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\
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while(pan2 && pan2->win) {\
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if ((pan2 != pan) && PANELS_OVERLAPPED(pan,pan2)) {\
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int y, ix1, ix2, iy1, iy2;\
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COMPUTE_INTERSECTION(pan, pan2, ix1, ix2, iy1, iy2);\
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for(y = iy1; y <= iy2; y++) {\
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if (is_linetouched(pan->win,y - PSTARTY(pan))) {\
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struct ldat* line = &(pan2->win->_line[y - PSTARTY(pan2)]);\
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CHANGED_RANGE(line, ix1 - PSTARTX(pan2), ix2 - PSTARTX(pan2));\
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}\
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}\
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}\
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pan2 = pan2->above;\
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}\
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}
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/*+-------------------------------------------------------------------------
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Remove panel from stack.
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---------------------------------------------------------------------------*/
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#define PANEL_UNLINK(pan,err) \
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{ err = ERR;\
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if (pan) {\
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if (IS_LINKED(pan)) {\
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if ((pan)->below)\
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(pan)->below->above = (pan)->above;\
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if ((pan)->above)\
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(pan)->above->below = (pan)->below;\
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if ((pan) == _nc_bottom_panel) \
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_nc_bottom_panel = (pan)->above;\
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if ((pan) == _nc_top_panel) \
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_nc_top_panel = (pan)->below;\
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err = OK;\
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}\
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(pan)->above = (pan)->below = (PANEL*)0;\
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}\
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}
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#define HIDE_PANEL(pan,err,err_if_unlinked)\
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if (IS_LINKED(pan)) {\
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Touchpan(pan);\
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PANEL_UPDATE(pan,(PANEL*)0);\
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PANEL_UNLINK(pan,err);\
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} \
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else {\
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err = err_if_unlinked;\
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}
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#if NCURSES_SP_FUNCS
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/* These may become later renamed and part of panel.h and the public API */
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extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_update_panels)(SCREEN*);
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#endif
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#endif /* NCURSES_PANEL_PRIV_H */
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