/**************************************************************************** * Copyright (c) 1998-2005,2008 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. * ****************************************************************************/ /* $Id: panel.priv.h,v 1.9 2010/01/12 23:22:08 nicm Exp $ */ #ifndef NCURSES_PANEL_PRIV_H #define NCURSES_PANEL_PRIV_H 1 #if HAVE_CONFIG_H # include #endif #include #include #include #include "curses.priv.h" #include "panel.h" #include #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 # define returnPanel(code) TRACE_RETURN(code,panel) extern NCURSES_EXPORT(PANEL *) _nc_retrace_panel (PANEL *); 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 returnPanel(code) return code # 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 */