1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/* $OpenBSD: panel.priv.h,v 1.5 2000/01/16 01:35:18 millert Exp $ */
/* $From: panel.priv.h,v 1.13 2000/01/15 20:39:53 juergen Exp $ */
#ifndef _PANEL_PRIV_H
#define _PANEL_PRIV_H
#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 <nc_panel.h>
#include "panel.h"
#if ( CC_HAS_INLINE_FUNCS && !defined(TRACE) )
# define INLINE inline
#else
# define INLINE
#endif
#ifdef USE_RCS_IDS
# define MODULE_ID(id) static const char Ident[] = id;
#else
# define MODULE_ID(id) /*nothing*/
#endif
#ifdef TRACE
extern 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 void _nc_dPanel(const char*, const PANEL*);
extern void _nc_dStack(const char*, int, const PANEL*);
extern void _nc_Wnoutrefresh(const PANEL*);
extern void _nc_Touchpan(const PANEL*);
extern 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))
/* borrowed from curses.priv.h */
#define CHANGED_RANGE(line,start,end) \
if (line->firstchar == _NOCHANGE \
|| line->firstchar > (start)) \
line->firstchar = start; \
if (line->lastchar == _NOCHANGE \
|| line->lastchar < (end)) \
line->lastchar = end
/*+-------------------------------------------------------------------------
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,touch)\
{ PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\
if (touch)\
Touchpan(pan);\
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)) {\
PANEL_UPDATE(pan,(PANEL*)0,TRUE);\
PANEL_UNLINK(pan,err);\
} \
else {\
if (err_if_unlinked)\
err = ERR;\
}
#endif /* _PANEL_PRIV_H */
|
