| 1 | /****************************************************************************
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| 2 | * Copyright (c) 1998-2001,2005 Free Software Foundation, Inc. *
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| 3 | * *
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a *
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| 5 | * copy of this software and associated documentation files (the *
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| 6 | * "Software"), to deal in the Software without restriction, including *
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| 7 | * without limitation the rights to use, copy, modify, merge, publish, *
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| 8 | * distribute, distribute with modifications, sublicense, and/or sell *
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| 9 | * copies of the Software, and to permit persons to whom the Software is *
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| 10 | * furnished to do so, subject to the following conditions: *
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| 11 | * *
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| 12 | * The above copyright notice and this permission notice shall be included *
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| 13 | * in all copies or substantial portions of the Software. *
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| 14 | * *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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| 16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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| 18 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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| 21 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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| 22 | * *
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| 23 | * Except as contained in this notice, the name(s) of the above copyright *
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| 24 | * holders shall not be used in advertising or otherwise to promote the *
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| 25 | * sale, use or other dealings in this Software without prior written *
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| 26 | * authorization. *
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| 27 | ****************************************************************************/
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| 28 |
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| 29 | /* $Id: panel.priv.h,v 1.20 2005/02/19 17:16:54 tom Exp $ */
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| 30 |
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| 31 | #ifndef NCURSES_PANEL_PRIV_H
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| 32 | #define NCURSES_PANEL_PRIV_H 1
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| 33 |
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| 34 | #if HAVE_CONFIG_H
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| 35 | # include <ncurses_cfg.h>
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| 36 | #endif
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| 37 |
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| 38 | #include <stdlib.h>
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| 39 | #include <string.h>
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| 40 | #include <assert.h>
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| 41 |
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| 42 | #if HAVE_LIBDMALLOC
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| 43 | # include <dmalloc.h> /* Gray Watson's library */
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| 44 | #endif
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| 45 |
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| 46 | #if HAVE_LIBDBMALLOC
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| 47 | # include <dbmalloc.h> /* Conor Cahill's library */
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| 48 | #endif
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| 49 |
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| 50 | #include "curses.priv.h"
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| 51 | #include "panel.h"
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| 52 | #include <nc_panel.h>
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| 53 |
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| 54 | #if ( CC_HAS_INLINE_FUNCS && !defined(TRACE) )
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| 55 | # define INLINE inline
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| 56 | #else
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| 57 | # define INLINE
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| 58 | #endif
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| 59 |
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| 60 | #if USE_RCS_IDS
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| 61 | # define MODULE_ID(id) static const char Ident[] = id;
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| 62 | #else
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| 63 | # define MODULE_ID(id) /*nothing*/
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| 64 | #endif
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| 65 |
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| 66 |
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| 67 | #ifdef TRACE
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| 68 | extern NCURSES_EXPORT(const char *) _nc_my_visbuf (const void *);
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| 69 | # ifdef TRACE_TXT
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| 70 | # define USER_PTR(ptr) _nc_visbuf((const char *)ptr)
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| 71 | # else
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| 72 | # define USER_PTR(ptr) _nc_my_visbuf((const char *)ptr)
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| 73 | # endif
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| 74 |
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| 75 | # define returnPanel(code) TRACE_RETURN(code,panel)
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| 76 |
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| 77 | extern NCURSES_EXPORT(PANEL *) _nc_retrace_panel (PANEL *);
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| 78 | extern NCURSES_EXPORT(void) _nc_dPanel (const char*, const PANEL*);
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| 79 | extern NCURSES_EXPORT(void) _nc_dStack (const char*, int, const PANEL*);
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| 80 | extern NCURSES_EXPORT(void) _nc_Wnoutrefresh (const PANEL*);
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| 81 | extern NCURSES_EXPORT(void) _nc_Touchpan (const PANEL*);
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| 82 | extern NCURSES_EXPORT(void) _nc_Touchline (const PANEL*, int, int);
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| 83 |
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| 84 | # define dBug(x) _tracef x
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| 85 | # define dPanel(text,pan) _nc_dPanel(text,pan)
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| 86 | # define dStack(fmt,num,pan) _nc_dStack(fmt,num,pan)
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| 87 | # define Wnoutrefresh(pan) _nc_Wnoutrefresh(pan)
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| 88 | # define Touchpan(pan) _nc_Touchpan(pan)
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| 89 | # define Touchline(pan,start,count) _nc_Touchline(pan,start,count)
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| 90 | #else /* !TRACE */
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| 91 | # define returnPanel(code) return code
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| 92 | # define dBug(x)
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| 93 | # define dPanel(text,pan)
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| 94 | # define dStack(fmt,num,pan)
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| 95 | # define Wnoutrefresh(pan) wnoutrefresh((pan)->win)
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| 96 | # define Touchpan(pan) touchwin((pan)->win)
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| 97 | # define Touchline(pan,start,count) touchline((pan)->win,start,count)
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| 98 | #endif
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| 99 |
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| 100 | #define _nc_stdscr_pseudo_panel _nc_panelhook()->stdscr_pseudo_panel
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| 101 | #define _nc_top_panel _nc_panelhook()->top_panel
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| 102 | #define _nc_bottom_panel _nc_panelhook()->bottom_panel
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| 103 |
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| 104 | #define EMPTY_STACK() (_nc_top_panel==_nc_bottom_panel)
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| 105 | #define Is_Bottom(p) (((p)!=(PANEL*)0) && !EMPTY_STACK() && (_nc_bottom_panel->above==(p)))
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| 106 | #define Is_Top(p) (((p)!=(PANEL*)0) && !EMPTY_STACK() && (_nc_top_panel==(p)))
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| 107 | #define Is_Pseudo(p) ((p) && ((p)==_nc_bottom_panel))
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| 108 |
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| 109 | /*+-------------------------------------------------------------------------
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| 110 | IS_LINKED(pan) - check to see if panel is in the stack
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| 111 | --------------------------------------------------------------------------*/
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| 112 | /* This works! The only case where it would fail is, when the list has
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| 113 | only one element. But this could only be the pseudo panel at the bottom */
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| 114 | #define IS_LINKED(p) (((p)->above || (p)->below ||((p)==_nc_bottom_panel)) ? TRUE : FALSE)
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| 115 |
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| 116 | #define PSTARTX(pan) ((pan)->win->_begx)
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| 117 | #define PENDX(pan) ((pan)->win->_begx + getmaxx((pan)->win) - 1)
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| 118 | #define PSTARTY(pan) ((pan)->win->_begy)
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| 119 | #define PENDY(pan) ((pan)->win->_begy + getmaxy((pan)->win) - 1)
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| 120 |
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| 121 | /*+-------------------------------------------------------------------------
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| 122 | PANELS_OVERLAPPED(pan1,pan2) - check panel overlapped
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| 123 | ---------------------------------------------------------------------------*/
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| 124 | #define PANELS_OVERLAPPED(pan1,pan2) \
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| 125 | (( !(pan1) || !(pan2) || \
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| 126 | PSTARTY(pan1) > PENDY(pan2) || PENDY(pan1) < PSTARTY(pan2) ||\
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| 127 | PSTARTX(pan1) > PENDX(pan2) || PENDX(pan1) < PSTARTX(pan2) ) \
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| 128 | ? FALSE : TRUE)
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| 129 |
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| 130 |
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| 131 | /*+-------------------------------------------------------------------------
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| 132 | Compute the intersection rectangle of two overlapping rectangles
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| 133 | ---------------------------------------------------------------------------*/
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| 134 | #define COMPUTE_INTERSECTION(pan1,pan2,ix1,ix2,iy1,iy2)\
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| 135 | ix1 = (PSTARTX(pan1) < PSTARTX(pan2)) ? PSTARTX(pan2) : PSTARTX(pan1);\
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| 136 | ix2 = (PENDX(pan1) < PENDX(pan2)) ? PENDX(pan1) : PENDX(pan2);\
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| 137 | iy1 = (PSTARTY(pan1) < PSTARTY(pan2)) ? PSTARTY(pan2) : PSTARTY(pan1);\
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| 138 | iy2 = (PENDY(pan1) < PENDY(pan2)) ? PENDY(pan1) : PENDY(pan2);\
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| 139 | assert((ix1<=ix2) && (iy1<=iy2));\
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| 140 |
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| 141 |
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| 142 | /*+-------------------------------------------------------------------------
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| 143 | Walk through the panel stack starting at the given location and
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| 144 | check for intersections; overlapping panels are "touched", so they
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| 145 | are incrementally overwriting cells that should be hidden.
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| 146 | If the "touch" flag is set, the panel gets touched before it is
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| 147 | updated.
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| 148 | ---------------------------------------------------------------------------*/
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| 149 | #define PANEL_UPDATE(pan,panstart)\
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| 150 | { PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\
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| 151 | while(pan2) {\
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| 152 | if ((pan2 != pan) && PANELS_OVERLAPPED(pan,pan2)) {\
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| 153 | int y,ix1,ix2,iy1,iy2;\
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| 154 | COMPUTE_INTERSECTION(pan,pan2,ix1,ix2,iy1,iy2);\
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| 155 | for(y = iy1; y <= iy2; y++) {\
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| 156 | if (is_linetouched(pan->win,y - PSTARTY(pan))) {\
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| 157 | struct ldat* line = &(pan2->win->_line[y - PSTARTY(pan2)]);\
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| 158 | CHANGED_RANGE(line,ix1-PSTARTX(pan2),ix2-PSTARTX(pan2));\
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| 159 | }\
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| 160 | }\
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| 161 | }\
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| 162 | pan2 = pan2->above;\
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| 163 | }\
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| 164 | }
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| 165 |
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| 166 | /*+-------------------------------------------------------------------------
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| 167 | Remove panel from stack.
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| 168 | ---------------------------------------------------------------------------*/
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| 169 | #define PANEL_UNLINK(pan,err) \
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| 170 | { err = ERR;\
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| 171 | if (pan) {\
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| 172 | if (IS_LINKED(pan)) {\
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| 173 | if ((pan)->below)\
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| 174 | (pan)->below->above = (pan)->above;\
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| 175 | if ((pan)->above)\
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| 176 | (pan)->above->below = (pan)->below;\
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| 177 | if ((pan) == _nc_bottom_panel) \
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| 178 | _nc_bottom_panel = (pan)->above;\
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| 179 | if ((pan) == _nc_top_panel) \
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| 180 | _nc_top_panel = (pan)->below;\
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| 181 | err = OK;\
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| 182 | }\
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| 183 | (pan)->above = (pan)->below = (PANEL*)0;\
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| 184 | }\
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| 185 | }
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| 186 |
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| 187 | #define HIDE_PANEL(pan,err,err_if_unlinked)\
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| 188 | if (IS_LINKED(pan)) {\
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| 189 | Touchpan(pan);\
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| 190 | PANEL_UPDATE(pan,(PANEL*)0);\
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| 191 | PANEL_UNLINK(pan,err);\
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| 192 | } \
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| 193 | else {\
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| 194 | err = err_if_unlinked;\
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| 195 | }
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| 196 |
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| 197 | #endif /* NCURSES_PANEL_PRIV_H */
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