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
|
/*
* $Id: mouse.c,v 1.20 2012/12/21 10:00:30 tom Exp $
*
* mouse.c -- mouse support for dialog
*
* Copyright 2002-2007,2012 Thomas E. Dickey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License, version 2.1
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to
* Free Software Foundation, Inc.
* 51 Franklin St., Fifth Floor
* Boston, MA 02110, USA.
*/
#include <dialog.h>
#include <dlg_keys.h>
#if USE_MOUSE
static int basex, basey, basecode;
static mseRegion *regionList = NULL;
/*=========== region related functions =============*/
static mseRegion *
find_region_by_code(int code)
{
mseRegion *butPtr;
for (butPtr = regionList; butPtr; butPtr = butPtr->next) {
if (code == butPtr->code)
break;
}
return butPtr;
}
void
dlg_mouse_setbase(int x, int y)
{
basex = x;
basey = y;
}
void
dlg_mouse_setcode(int code)
{
basecode = code;
}
void
dlg_mouse_mkbigregion(int y, int x,
int height, int width,
int code,
int step_y, int step_x,
int mode)
{
mseRegion *butPtr = dlg_mouse_mkregion(y, x, height, width, -DLGK_MOUSE(code));
butPtr->mode = mode;
butPtr->step_x = MAX(1, step_x);
butPtr->step_y = MAX(1, step_y);
}
void
dlg_mouse_free_regions(void)
{
while (regionList != 0) {
mseRegion *butPtr = regionList->next;
free(regionList);
regionList = butPtr;
}
}
mseRegion *
dlg_mouse_mkregion(int y, int x, int height, int width, int code)
{
mseRegion *butPtr;
if ((butPtr = find_region_by_code(basecode + code)) == 0) {
butPtr = dlg_malloc(mseRegion, 1);
assert_ptr(butPtr, "dlg_mouse_mkregion");
butPtr->next = regionList;
regionList = butPtr;
}
if (butPtr != 0) {
butPtr->mode = -1;
butPtr->step_x = 0;
butPtr->step_y = 0;
butPtr->y = basey + y;
butPtr->Y = basey + y + height;
butPtr->x = basex + x;
butPtr->X = basex + x + width;
butPtr->code = basecode + code;
}
return butPtr;
}
/* retrieve the frame under the pointer */
static mseRegion *
any_mouse_region(int y, int x, int small)
{
mseRegion *butPtr;
for (butPtr = regionList; butPtr; butPtr = butPtr->next) {
if (small ^ (butPtr->code >= 0)) {
continue;
}
if (y < butPtr->y || y >= butPtr->Y) {
continue;
}
if (x < butPtr->x || x >= butPtr->X) {
continue;
}
break; /* found */
}
return butPtr;
}
/* retrieve the frame under the pointer */
mseRegion *
dlg_mouse_region(int y, int x)
{
return any_mouse_region(y, x, TRUE);
}
/* retrieve the bigframe under the pointer */
mseRegion *
dlg_mouse_bigregion(int y, int x)
{
return any_mouse_region(y, x, FALSE);
}
#else
void mouse_dummy(void);
void
mouse_dummy(void)
{
}
#endif /* USE_MOUSE */
|
