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1.1 root 1: /*
2: * dialog.h -- common declarations for all dialog modules
3: *
4: * AUTHOR: Savio Lam ([email protected])
5: *
6: * This program is free software; you can redistribute it and/or
7: * modify it under the terms of the GNU General Public License
8: * as published by the Free Software Foundation; either version 2
9: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19: */
20:
21: #include <sys/types.h>
22: #include <fcntl.h>
23: #include <unistd.h>
24: #include <ctype.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <stdbool.h>
28:
29: #ifndef KBUILD_NO_NLS
30: # include <libintl.h>
31: #else
32: # define gettext(Msgid) ((const char *) (Msgid))
33: #endif
34:
35: #ifdef __sun__
36: #define CURS_MACROS
37: #endif
38: #include CURSES_LOC
39:
40: /*
41: * Colors in ncurses 1.9.9e do not work properly since foreground and
42: * background colors are OR'd rather than separately masked. This version
43: * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible
44: * with standard curses. The simplest fix (to make this work with standard
45: * curses) uses the wbkgdset() function, not used in the original hack.
46: * Turn it off if we're building with 1.9.9e, since it just confuses things.
47: */
48: #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE)
49: #define OLD_NCURSES 1
50: #undef wbkgdset
51: #define wbkgdset(w,p) /*nothing */
52: #else
53: #define OLD_NCURSES 0
54: #endif
55:
56: #define TR(params) _tracef params
57:
58: #define KEY_ESC 27
59: #define TAB 9
60: #define MAX_LEN 2048
61: #define BUF_SIZE (10*1024)
62: #define MIN(x,y) (x < y ? x : y)
63: #define MAX(x,y) (x > y ? x : y)
64:
65: #ifndef ACS_ULCORNER
66: #define ACS_ULCORNER '+'
67: #endif
68: #ifndef ACS_LLCORNER
69: #define ACS_LLCORNER '+'
70: #endif
71: #ifndef ACS_URCORNER
72: #define ACS_URCORNER '+'
73: #endif
74: #ifndef ACS_LRCORNER
75: #define ACS_LRCORNER '+'
76: #endif
77: #ifndef ACS_HLINE
78: #define ACS_HLINE '-'
79: #endif
80: #ifndef ACS_VLINE
81: #define ACS_VLINE '|'
82: #endif
83: #ifndef ACS_LTEE
84: #define ACS_LTEE '+'
85: #endif
86: #ifndef ACS_RTEE
87: #define ACS_RTEE '+'
88: #endif
89: #ifndef ACS_UARROW
90: #define ACS_UARROW '^'
91: #endif
92: #ifndef ACS_DARROW
93: #define ACS_DARROW 'v'
94: #endif
95:
96: /* error return codes */
97: #define ERRDISPLAYTOOSMALL (KEY_MAX + 1)
98:
99: /*
100: * Color definitions
101: */
102: struct dialog_color {
103: chtype atr; /* Color attribute */
104: int fg; /* foreground */
105: int bg; /* background */
106: int hl; /* highlight this item */
107: };
108:
109: struct dialog_info {
110: const char *backtitle;
111: struct dialog_color screen;
112: struct dialog_color shadow;
113: struct dialog_color dialog;
114: struct dialog_color title;
115: struct dialog_color border;
116: struct dialog_color button_active;
117: struct dialog_color button_inactive;
118: struct dialog_color button_key_active;
119: struct dialog_color button_key_inactive;
120: struct dialog_color button_label_active;
121: struct dialog_color button_label_inactive;
122: struct dialog_color inputbox;
123: struct dialog_color inputbox_border;
124: struct dialog_color searchbox;
125: struct dialog_color searchbox_title;
126: struct dialog_color searchbox_border;
127: struct dialog_color position_indicator;
128: struct dialog_color menubox;
129: struct dialog_color menubox_border;
130: struct dialog_color item;
131: struct dialog_color item_selected;
132: struct dialog_color tag;
133: struct dialog_color tag_selected;
134: struct dialog_color tag_key;
135: struct dialog_color tag_key_selected;
136: struct dialog_color check;
137: struct dialog_color check_selected;
138: struct dialog_color uarrow;
139: struct dialog_color darrow;
140: };
141:
142: /*
143: * Global variables
144: */
145: extern struct dialog_info dlg;
146: extern char dialog_input_result[];
147:
148: /*
149: * Function prototypes
150: */
151:
152: /* item list as used by checklist and menubox */
153: void item_reset(void);
154: void item_make(const char *fmt, ...);
155: void item_add_str(const char *fmt, ...);
156: void item_set_tag(char tag);
157: void item_set_data(void *p);
158: void item_set_selected(int val);
159: int item_activate_selected(void);
160: void *item_data(void);
161: char item_tag(void);
162:
163: /* item list manipulation for lxdialog use */
164: #define MAXITEMSTR 200
165: struct dialog_item {
166: char str[MAXITEMSTR]; /* promtp displayed */
167: char tag;
168: void *data; /* pointer to menu item - used by menubox+checklist */
169: int selected; /* Set to 1 by dialog_*() function if selected. */
170: };
171:
172: /* list of lialog_items */
173: struct dialog_list {
174: struct dialog_item node;
175: struct dialog_list *next;
176: };
177:
178: extern struct dialog_list *item_cur;
179: extern struct dialog_list item_nil;
180: extern struct dialog_list *item_head;
181:
182: int item_count(void);
183: void item_set(int n);
184: int item_n(void);
185: const char *item_str(void);
186: int item_is_selected(void);
187: int item_is_tag(char tag);
188: #define item_foreach() \
189: for (item_cur = item_head ? item_head: item_cur; \
190: item_cur && (item_cur != &item_nil); item_cur = item_cur->next)
191:
192: /* generic key handlers */
193: int on_key_esc(WINDOW *win);
194: int on_key_resize(void);
195:
196: int init_dialog(const char *backtitle);
197: void set_dialog_backtitle(const char *backtitle);
198: void end_dialog(int x, int y);
199: void attr_clear(WINDOW * win, int height, int width, chtype attr);
200: void dialog_clear(void);
201: void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);
202: void print_button(WINDOW * win, const char *label, int y, int x, int selected);
203: void print_title(WINDOW *dialog, const char *title, int width);
204: void draw_box(WINDOW * win, int y, int x, int height, int width, chtype box,
205: chtype border);
206: void draw_shadow(WINDOW * win, int y, int x, int height, int width);
207:
208: int first_alpha(const char *string, const char *exempt);
209: int dialog_yesno(const char *title, const char *prompt, int height, int width);
210: int dialog_msgbox(const char *title, const char *prompt, int height,
211: int width, int pause);
212: int dialog_textbox(const char *title, const char *file, int height, int width);
213: int dialog_menu(const char *title, const char *prompt,
214: const void *selected, int *s_scroll);
215: int dialog_checklist(const char *title, const char *prompt, int height,
216: int width, int list_height);
217: extern char dialog_input_result[];
218: int dialog_inputbox(const char *title, const char *prompt, int height,
219: int width, const char *init);
220:
221: /*
222: * This is the base for fictitious keys, which activate
223: * the buttons.
224: *
225: * Mouse-generated keys are the following:
226: * -- the first 32 are used as numbers, in addition to '0'-'9'
227: * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
228: * -- uppercase chars are used to invoke the button (M_EVENT + 'O')
229: */
230: #define M_EVENT (KEY_MAX+1)
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