1 /**************************************************************************** 2 * Copyright (c) 2000 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /* $Id: panel.priv.h,v 1.19 2001/06/02 23:31:05 tom Exp $ */ 30 31 #ifndef NCURSES_PANEL_PRIV_H 32 #define NCURSES_PANEL_PRIV_H 1 33 34 #if HAVE_CONFIG_H 35 # include <ncurses_cfg.h> 36 #endif 37 38 #include <stdlib.h> 39 #include <string.h> 40 #include <assert.h> 41 42 #if HAVE_LIBDMALLOC 43 # include <dmalloc.h> /* Gray Watson's library */ 44 #endif 45 46 #if HAVE_LIBDBMALLOC 47 # include <dbmalloc.h> /* Conor Cahill's library */ 48 #endif 49 50 #include "curses.priv.h" 51 #include "panel.h" 52 #include <nc_panel.h> 53 54 #if ( CC_HAS_INLINE_FUNCS && !defined(TRACE) ) 55 # define INLINE inline 56 #else 57 # define INLINE 58 #endif 59 60 #if USE_RCS_IDS 61 # define MODULE_ID(id) static const char Ident[] = id; 62 #else 63 # define MODULE_ID(id) /*nothing*/ 64 #endif 65 66 67 #ifdef TRACE 68 extern NCURSES_EXPORT(const char *) _nc_my_visbuf (const void *); 69 # ifdef TRACE_TXT 70 # define USER_PTR(ptr) _nc_visbuf((const char *)ptr) 71 # else 72 # define USER_PTR(ptr) _nc_my_visbuf((const char *)ptr) 73 # endif 74 75 extern NCURSES_EXPORT(void) _nc_dPanel (const char*, const PANEL*); 76 extern NCURSES_EXPORT(void) _nc_dStack (const char*, int, const PANEL*); 77 extern NCURSES_EXPORT(void) _nc_Wnoutrefresh (const PANEL*); 78 extern NCURSES_EXPORT(void) _nc_Touchpan (const PANEL*); 79 extern NCURSES_EXPORT(void) _nc_Touchline (const PANEL*, int, int); 80 81 # define dBug(x) _tracef x 82 # define dPanel(text,pan) _nc_dPanel(text,pan) 83 # define dStack(fmt,num,pan) _nc_dStack(fmt,num,pan) 84 # define Wnoutrefresh(pan) _nc_Wnoutrefresh(pan) 85 # define Touchpan(pan) _nc_Touchpan(pan) 86 # define Touchline(pan,start,count) _nc_Touchline(pan,start,count) 87 #else /* !TRACE */ 88 # define dBug(x) 89 # define dPanel(text,pan) 90 # define dStack(fmt,num,pan) 91 # define Wnoutrefresh(pan) wnoutrefresh((pan)->win) 92 # define Touchpan(pan) touchwin((pan)->win) 93 # define Touchline(pan,start,count) touchline((pan)->win,start,count) 94 #endif 95 96 #define _nc_stdscr_pseudo_panel _nc_panelhook()->stdscr_pseudo_panel 97 #define _nc_top_panel _nc_panelhook()->top_panel 98 #define _nc_bottom_panel _nc_panelhook()->bottom_panel 99 100 #define EMPTY_STACK() (_nc_top_panel==_nc_bottom_panel) 101 #define Is_Bottom(p) (((p)!=(PANEL*)0) && !EMPTY_STACK() && (_nc_bottom_panel->above==(p))) 102 #define Is_Top(p) (((p)!=(PANEL*)0) && !EMPTY_STACK() && (_nc_top_panel==(p))) 103 #define Is_Pseudo(p) ((p) && ((p)==_nc_bottom_panel)) 104 105 /*+------------------------------------------------------------------------- 106 IS_LINKED(pan) - check to see if panel is in the stack 107 --------------------------------------------------------------------------*/ 108 /* This works! The only case where it would fail is, when the list has 109 only one element. But this could only be the pseudo panel at the bottom */ 110 #define IS_LINKED(p) (((p)->above || (p)->below ||((p)==_nc_bottom_panel)) ? TRUE : FALSE) 111 112 #define PSTARTX(pan) ((pan)->win->_begx) 113 #define PENDX(pan) ((pan)->win->_begx + getmaxx((pan)->win) - 1) 114 #define PSTARTY(pan) ((pan)->win->_begy) 115 #define PENDY(pan) ((pan)->win->_begy + getmaxy((pan)->win) - 1) 116 117 /*+------------------------------------------------------------------------- 118 PANELS_OVERLAPPED(pan1,pan2) - check panel overlapped 119 ---------------------------------------------------------------------------*/ 120 #define PANELS_OVERLAPPED(pan1,pan2) \ 121 (( !(pan1) || !(pan2) || \ 122 PSTARTY(pan1) > PENDY(pan2) || PENDY(pan1) < PSTARTY(pan2) ||\ 123 PSTARTX(pan1) > PENDX(pan2) || PENDX(pan1) < PSTARTX(pan2) ) \ 124 ? FALSE : TRUE) 125 126 127 /*+------------------------------------------------------------------------- 128 Compute the intersection rectangle of two overlapping rectangles 129 ---------------------------------------------------------------------------*/ 130 #define COMPUTE_INTERSECTION(pan1,pan2,ix1,ix2,iy1,iy2)\ 131 ix1 = (PSTARTX(pan1) < PSTARTX(pan2)) ? PSTARTX(pan2) : PSTARTX(pan1);\ 132 ix2 = (PENDX(pan1) < PENDX(pan2)) ? PENDX(pan1) : PENDX(pan2);\ 133 iy1 = (PSTARTY(pan1) < PSTARTY(pan2)) ? PSTARTY(pan2) : PSTARTY(pan1);\ 134 iy2 = (PENDY(pan1) < PENDY(pan2)) ? PENDY(pan1) : PENDY(pan2);\ 135 assert((ix1<=ix2) && (iy1<=iy2));\ 136 137 138 /*+------------------------------------------------------------------------- 139 Walk through the panel stack starting at the given location and 140 check for intersections; overlapping panels are "touched", so they 141 are incrementally overwriting cells that should be hidden. 142 If the "touch" flag is set, the panel gets touched before it is 143 updated. 144 ---------------------------------------------------------------------------*/ 145 #define PANEL_UPDATE(pan,panstart)\ 146 { PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\ 147 while(pan2) {\ 148 if ((pan2 != pan) && PANELS_OVERLAPPED(pan,pan2)) {\ 149 int y,ix1,ix2,iy1,iy2;\ 150 COMPUTE_INTERSECTION(pan,pan2,ix1,ix2,iy1,iy2);\ 151 for(y = iy1; y <= iy2; y++) {\ 152 if (is_linetouched(pan->win,y - PSTARTY(pan))) {\ 153 struct ldat* line = &(pan2->win->_line[y - PSTARTY(pan2)]);\ 154 CHANGED_RANGE(line,ix1-PSTARTX(pan2),ix2-PSTARTX(pan2));\ 155 }\ 156 }\ 157 }\ 158 pan2 = pan2->above;\ 159 }\ 160 } 161 162 /*+------------------------------------------------------------------------- 163 Remove panel from stack. 164 ---------------------------------------------------------------------------*/ 165 #define PANEL_UNLINK(pan,err) \ 166 { err = ERR;\ 167 if (pan) {\ 168 if (IS_LINKED(pan)) {\ 169 if ((pan)->below)\ 170 (pan)->below->above = (pan)->above;\ 171 if ((pan)->above)\ 172 (pan)->above->below = (pan)->below;\ 173 if ((pan) == _nc_bottom_panel) \ 174 _nc_bottom_panel = (pan)->above;\ 175 if ((pan) == _nc_top_panel) \ 176 _nc_top_panel = (pan)->below;\ 177 err = OK;\ 178 }\ 179 (pan)->above = (pan)->below = (PANEL*)0;\ 180 }\ 181 } 182 183 #define HIDE_PANEL(pan,err,err_if_unlinked)\ 184 if (IS_LINKED(pan)) {\ 185 Touchpan(pan);\ 186 PANEL_UPDATE(pan,(PANEL*)0);\ 187 PANEL_UNLINK(pan,err);\ 188 } \ 189 else {\ 190 err = err_if_unlinked;\ 191 } 192 193 #endif /* NCURSES_PANEL_PRIV_H */ 194