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- /****************************************************************************
- * Copyright (c) 2000 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. *
- ****************************************************************************/
-
- /* $Id: panel.priv.h,v 1.19 2001/06/02 23:31:05 tom Exp $ */
-
- #ifndef NCURSES_PANEL_PRIV_H
- #define NCURSES_PANEL_PRIV_H 1
-
- #if HAVE_CONFIG_H
- # include <ncurses_cfg.h>
- #endif
-
- #include <stdlib.h>
- #include <string.h>
- #include <assert.h>
-
- #if HAVE_LIBDMALLOC
- # include <dmalloc.h> /* Gray Watson's library */
- #endif
-
- #if HAVE_LIBDBMALLOC
- # include <dbmalloc.h> /* Conor Cahill's library */
- #endif
-
- #include "curses.priv.h"
- #include "panel.h"
- #include <nc_panel.h>
-
- #if ( CC_HAS_INLINE_FUNCS && !defined(TRACE) )
- # define INLINE inline
- #else
- # define INLINE
- #endif
-
- #if USE_RCS_IDS
- # define MODULE_ID(id) static const char Ident[] = id;
- #else
- # define MODULE_ID(id) /*nothing*/
- #endif
-
-
- #ifdef TRACE
- extern NCURSES_EXPORT(const char *) _nc_my_visbuf (const void *);
- # ifdef TRACE_TXT
- # define USER_PTR(ptr) _nc_visbuf((const char *)ptr)
- # else
- # define USER_PTR(ptr) _nc_my_visbuf((const char *)ptr)
- # endif
-
- extern NCURSES_EXPORT(void) _nc_dPanel (const char*, const PANEL*);
- extern NCURSES_EXPORT(void) _nc_dStack (const char*, int, const PANEL*);
- extern NCURSES_EXPORT(void) _nc_Wnoutrefresh (const PANEL*);
- extern NCURSES_EXPORT(void) _nc_Touchpan (const PANEL*);
- extern NCURSES_EXPORT(void) _nc_Touchline (const PANEL*, int, int);
-
- # define dBug(x) _tracef x
- # define dPanel(text,pan) _nc_dPanel(text,pan)
- # define dStack(fmt,num,pan) _nc_dStack(fmt,num,pan)
- # define Wnoutrefresh(pan) _nc_Wnoutrefresh(pan)
- # define Touchpan(pan) _nc_Touchpan(pan)
- # define Touchline(pan,start,count) _nc_Touchline(pan,start,count)
- #else /* !TRACE */
- # define dBug(x)
- # define dPanel(text,pan)
- # define dStack(fmt,num,pan)
- # define Wnoutrefresh(pan) wnoutrefresh((pan)->win)
- # define Touchpan(pan) touchwin((pan)->win)
- # define Touchline(pan,start,count) touchline((pan)->win,start,count)
- #endif
-
- #define _nc_stdscr_pseudo_panel _nc_panelhook()->stdscr_pseudo_panel
- #define _nc_top_panel _nc_panelhook()->top_panel
- #define _nc_bottom_panel _nc_panelhook()->bottom_panel
-
- #define EMPTY_STACK() (_nc_top_panel==_nc_bottom_panel)
- #define Is_Bottom(p) (((p)!=(PANEL*)0) && !EMPTY_STACK() && (_nc_bottom_panel->above==(p)))
- #define Is_Top(p) (((p)!=(PANEL*)0) && !EMPTY_STACK() && (_nc_top_panel==(p)))
- #define Is_Pseudo(p) ((p) && ((p)==_nc_bottom_panel))
-
- /*+-------------------------------------------------------------------------
- IS_LINKED(pan) - check to see if panel is in the stack
- --------------------------------------------------------------------------*/
- /* This works! The only case where it would fail is, when the list has
- only one element. But this could only be the pseudo panel at the bottom */
- #define IS_LINKED(p) (((p)->above || (p)->below ||((p)==_nc_bottom_panel)) ? TRUE : FALSE)
-
- #define PSTARTX(pan) ((pan)->win->_begx)
- #define PENDX(pan) ((pan)->win->_begx + getmaxx((pan)->win) - 1)
- #define PSTARTY(pan) ((pan)->win->_begy)
- #define PENDY(pan) ((pan)->win->_begy + getmaxy((pan)->win) - 1)
-
- /*+-------------------------------------------------------------------------
- PANELS_OVERLAPPED(pan1,pan2) - check panel overlapped
- ---------------------------------------------------------------------------*/
- #define PANELS_OVERLAPPED(pan1,pan2) \
- (( !(pan1) || !(pan2) || \
- PSTARTY(pan1) > PENDY(pan2) || PENDY(pan1) < PSTARTY(pan2) ||\
- PSTARTX(pan1) > PENDX(pan2) || PENDX(pan1) < PSTARTX(pan2) ) \
- ? FALSE : TRUE)
-
-
- /*+-------------------------------------------------------------------------
- Compute the intersection rectangle of two overlapping rectangles
- ---------------------------------------------------------------------------*/
- #define COMPUTE_INTERSECTION(pan1,pan2,ix1,ix2,iy1,iy2)\
- ix1 = (PSTARTX(pan1) < PSTARTX(pan2)) ? PSTARTX(pan2) : PSTARTX(pan1);\
- ix2 = (PENDX(pan1) < PENDX(pan2)) ? PENDX(pan1) : PENDX(pan2);\
- iy1 = (PSTARTY(pan1) < PSTARTY(pan2)) ? PSTARTY(pan2) : PSTARTY(pan1);\
- iy2 = (PENDY(pan1) < PENDY(pan2)) ? PENDY(pan1) : PENDY(pan2);\
- assert((ix1<=ix2) && (iy1<=iy2));\
-
-
- /*+-------------------------------------------------------------------------
- Walk through the panel stack starting at the given location and
- check for intersections; overlapping panels are "touched", so they
- are incrementally overwriting cells that should be hidden.
- If the "touch" flag is set, the panel gets touched before it is
- updated.
- ---------------------------------------------------------------------------*/
- #define PANEL_UPDATE(pan,panstart)\
- { PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\
- while(pan2) {\
- if ((pan2 != pan) && PANELS_OVERLAPPED(pan,pan2)) {\
- int y,ix1,ix2,iy1,iy2;\
- COMPUTE_INTERSECTION(pan,pan2,ix1,ix2,iy1,iy2);\
- for(y = iy1; y <= iy2; y++) {\
- if (is_linetouched(pan->win,y - PSTARTY(pan))) {\
- struct ldat* line = &(pan2->win->_line[y - PSTARTY(pan2)]);\
- CHANGED_RANGE(line,ix1-PSTARTX(pan2),ix2-PSTARTX(pan2));\
- }\
- }\
- }\
- pan2 = pan2->above;\
- }\
- }
-
- /*+-------------------------------------------------------------------------
- Remove panel from stack.
- ---------------------------------------------------------------------------*/
- #define PANEL_UNLINK(pan,err) \
- { err = ERR;\
- if (pan) {\
- if (IS_LINKED(pan)) {\
- if ((pan)->below)\
- (pan)->below->above = (pan)->above;\
- if ((pan)->above)\
- (pan)->above->below = (pan)->below;\
- if ((pan) == _nc_bottom_panel) \
- _nc_bottom_panel = (pan)->above;\
- if ((pan) == _nc_top_panel) \
- _nc_top_panel = (pan)->below;\
- err = OK;\
- }\
- (pan)->above = (pan)->below = (PANEL*)0;\
- }\
- }
-
- #define HIDE_PANEL(pan,err,err_if_unlinked)\
- if (IS_LINKED(pan)) {\
- Touchpan(pan);\
- PANEL_UPDATE(pan,(PANEL*)0);\
- PANEL_UNLINK(pan,err);\
- } \
- else {\
- err = err_if_unlinked;\
- }
-
- #endif /* NCURSES_PANEL_PRIV_H */
-