1
2 /*
3 * dialog.h -- common declarations for all dialog modules
4 *
5 * AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <sys/types.h>
23 #include <fcntl.h>
24 #include <unistd.h>
25 #include <ctype.h>
26 #include <stdlib.h>
27 #include <string.h>
28
29 #include CURSES_LOC
30
31 /*
32 * Colors in ncurses 1.9.9e do not work properly since foreground and
33 * background colors are OR'd rather than separately masked. This version
34 * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible
35 * with standard curses. The simplest fix (to make this work with standard
36 * curses) uses the wbkgdset() function, not used in the original hack.
37 * Turn it off if we're building with 1.9.9e, since it just confuses things.
38 */
39 #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)
40 #define OLD_NCURSES 1
41 #undef wbkgdset
42 #define wbkgdset(w,p) /*nothing*/
43 #else
44 #define OLD_NCURSES 0
45 #endif
46
47 #define TR(params) _tracef params
48
49 #define ESC 27
50 #define TAB 9
51 #define MAX_LEN 2048
52 #define BUF_SIZE (10*1024)
53 #define MIN(x,y) (x < y ? x : y)
54 #define MAX(x,y) (x > y ? x : y)
55
56
57 #ifndef ACS_ULCORNER
58 #define ACS_ULCORNER '+'
59 #endif
60 #ifndef ACS_LLCORNER
61 #define ACS_LLCORNER '+'
62 #endif
63 #ifndef ACS_URCORNER
64 #define ACS_URCORNER '+'
65 #endif
66 #ifndef ACS_LRCORNER
67 #define ACS_LRCORNER '+'
68 #endif
69 #ifndef ACS_HLINE
70 #define ACS_HLINE '-'
71 #endif
72 #ifndef ACS_VLINE
73 #define ACS_VLINE '|'
74 #endif
75 #ifndef ACS_LTEE
76 #define ACS_LTEE '+'
77 #endif
78 #ifndef ACS_RTEE
79 #define ACS_RTEE '+'
80 #endif
81 #ifndef ACS_UARROW
82 #define ACS_UARROW '^'
83 #endif
84 #ifndef ACS_DARROW
85 #define ACS_DARROW 'v'
86 #endif
87
88 /*
89 * Attribute names
90 */
91 #define screen_attr attributes[0]
92 #define shadow_attr attributes[1]
93 #define dialog_attr attributes[2]
94 #define title_attr attributes[3]
95 #define border_attr attributes[4]
96 #define button_active_attr attributes[5]
97 #define button_inactive_attr attributes[6]
98 #define button_key_active_attr attributes[7]
99 #define button_key_inactive_attr attributes[8]
100 #define button_label_active_attr attributes[9]
101 #define button_label_inactive_attr attributes[10]
102 #define inputbox_attr attributes[11]
103 #define inputbox_border_attr attributes[12]
104 #define searchbox_attr attributes[13]
105 #define searchbox_title_attr attributes[14]
106 #define searchbox_border_attr attributes[15]
107 #define position_indicator_attr attributes[16]
108 #define menubox_attr attributes[17]
109 #define menubox_border_attr attributes[18]
110 #define item_attr attributes[19]
111 #define item_selected_attr attributes[20]
112 #define tag_attr attributes[21]
113 #define tag_selected_attr attributes[22]
114 #define tag_key_attr attributes[23]
115 #define tag_key_selected_attr attributes[24]
116 #define check_attr attributes[25]
117 #define check_selected_attr attributes[26]
118 #define uarrow_attr attributes[27]
119 #define darrow_attr attributes[28]
120
121 /* number of attributes */
122 #define ATTRIBUTE_COUNT 29
123
124 /*
125 * Global variables
126 */
127 extern bool use_colors;
128 extern bool use_shadow;
129
130 extern chtype attributes[];
131
132 extern const char *backtitle;
133
134 /*
135 * Function prototypes
136 */
137 extern void create_rc (const char *filename);
138 extern int parse_rc (void);
139
140
141 void init_dialog (void);
142 void end_dialog (void);
143 void attr_clear (WINDOW * win, int height, int width, chtype attr);
144 void dialog_clear (void);
145 void color_setup (void);
146 void print_autowrap (WINDOW * win, const char *prompt, int width, int y, int x);
147 void print_button (WINDOW * win, const char *label, int y, int x, int selected);
148 void draw_box (WINDOW * win, int y, int x, int height, int width, chtype box,
149 chtype border);
150 void draw_shadow (WINDOW * win, int y, int x, int height, int width);
151
152 int first_alpha (const char *string, const char *exempt);
153 int dialog_yesno (const char *title, const char *prompt, int height, int width);
154 int dialog_msgbox (const char *title, const char *prompt, int height,
155 int width, int pause);
156 int dialog_textbox (const char *title, const char *file, int height, int width);
157 int dialog_menu (const char *title, const char *prompt, int height, int width,
158 int menu_height, const char *choice, int item_no,
159 const char * const * items);
160 int dialog_checklist (const char *title, const char *prompt, int height,
161 int width, int list_height, int item_no,
162 const char * const * items, int flag);
163 extern unsigned char dialog_input_result[];
164 int dialog_inputbox (const char *title, const char *prompt, int height,
165 int width, const char *init);
166
167 /*
168 * This is the base for fictitious keys, which activate
169 * the buttons.
170 *
171 * Mouse-generated keys are the following:
172 * -- the first 32 are used as numbers, in addition to ''-'9'
173 * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
174 * -- uppercase chars are used to invoke the button (M_EVENT + 'O')
175 */
176 #define M_EVENT (KEY_MAX+1)
177
178
179 /*
180 * The `flag' parameter in checklist is used to select between
181 * radiolist and checklist
182 */
183 #define FLAG_CHECK 1
184 #define FLAG_RADIO 0
185
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