1 /*
2 *
3 * kkconsui dialogbox class
4 * $Id: dialogbox.cc,v 1.14 2003/10/19 23:25:05 konst Exp $
5 *
6 * Copyright (C) 1999-2001 by Konstantin Klyagin <k@thekonst.net>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or (at
11 * your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 * USA
22 *
23 */
24
25 #include "dialogbox.h"
26
27 dialogbox *dialogbox::it;
28
dialogbox()29 dialogbox::dialogbox(): first(true), menu(0), tree(0), window(0), bar(0), browser(0),
30 otherkeys(0), idle(0) {
31 freemenu = freetree = freewindow = freebar = freebrowser = false;
32 }
33
~dialogbox()34 dialogbox::~dialogbox() {
35 if(menu && freemenu) delete menu;
36 if(tree && freetree) delete tree;
37 if(bar && freebar) delete bar;
38 if(window && freewindow) delete window;
39 if(browser && freebrowser) delete browser;
40 }
41
setwindow(textwindow * neww,bool fw)42 void dialogbox::setwindow(textwindow *neww, bool fw) {
43 window = neww;
44 freewindow = fw;
45 }
46
setbar(horizontalbar * newb,bool fb)47 void dialogbox::setbar(horizontalbar *newb, bool fb) {
48 bar = newb;
49 freebar = fb;
50 }
51
setmenu(verticalmenu * newm,bool fm)52 void dialogbox::setmenu(verticalmenu *newm, bool fm) {
53 menu = newm;
54 freemenu = fm;
55 }
56
settree(treeview * newt,bool ft)57 void dialogbox::settree(treeview *newt, bool ft) {
58 tree = newt;
59 freetree = ft;
60 }
61
setbrowser(textbrowser * newbr,bool fbr)62 void dialogbox::setbrowser(textbrowser *newbr, bool fbr) {
63 browser = newbr;
64 freebrowser = fbr;
65 }
66
getmenu()67 verticalmenu *dialogbox::getmenu() {
68 return menu;
69 }
70
gettree()71 treeview *dialogbox::gettree() {
72 return tree;
73 }
74
getwindow()75 textwindow *dialogbox::getwindow() {
76 return window;
77 }
78
getbar()79 horizontalbar *dialogbox::getbar() {
80 return bar;
81 }
82
getbrowser()83 textbrowser *dialogbox::getbrowser() {
84 return browser;
85 }
86
open(int & menuitem,int & baritem,void ** ref)87 bool dialogbox::open(int &menuitem, int &baritem, void **ref) {
88 bool ret = false;
89 list<keybarassociation>::iterator i;
90
91 it = this;
92 if(first) redraw();
93
94 if(menu) {
95 menuitem = menu->open();
96 if(ref) *ref = menu->getref(menuitem-1);
97 ret = menuitem || (menu->getlastkey() != KEY_ESC);
98 } else if(tree) {
99 void *r;
100 r = tree->open(&menuitem);
101 if(ref) *ref = r;
102 ret = menuitem || (tree->menu.getlastkey() != KEY_ESC) || r;
103 } else if(browser) {
104 menuitem = browser->open();
105 ret = menuitem;
106 } else if(bar) {
107 bool fin, proceed;
108 int k;
109 menuitem = 0;
110
111 for(fin = false; !fin; ) {
112 proceed = idle ? keypressed() : true;
113 it = this;
114
115 if(proceed)
116 switch(k = getkey()) {
117 case KEY_LEFT:
118 case KEY_RIGHT:
119 bar->movebar(k);
120 bar->redraw();
121 break;
122 case '\r':
123 fin = ret = true;
124 break;
125 case KEY_ESC:
126 fin = true; ret = false;
127 break;
128 default:
129 i = find(it->kba.begin(), it->kba.end(), k);
130
131 if(i != it->kba.end()) {
132 if(it->bar) {
133 it->bar->item = i->baritem;
134 it->bar->redraw();
135 fin = ret = true;
136 }
137 }
138 else if(otherkeys)
139 if((k = otherkeys(*this, k)) != -1) {
140 menuitem = k;
141 fin = true;
142 }
143 break;
144 } else {
145 if(idle) idle(*this);
146 }
147 }
148 }
149
150 if(bar) {
151 baritem = bar->item;
152 } else {
153 baritem = 0;
154 }
155
156 return ret;
157 }
158
open(int & menuitem)159 bool dialogbox::open(int &menuitem) {
160 int bi;
161 return open(menuitem, bi);
162 }
163
open()164 bool dialogbox::open() {
165 int menuitem, bi;
166 return open(menuitem, bi);
167 }
168
redraw()169 void dialogbox::redraw() {
170 if(window) {
171 if(window->isopen()) window->redraw(); else window->open();
172
173 if(bar) {
174 if(window->isbordered()) {
175 window->separatey(window->y2-window->y1-2);
176 }
177
178 bar->setcoords(window->x2 - (window->isbordered() ? 1 : 2), window->y2-1);
179 bar->align(baleft);
180 bar->redraw();
181 }
182
183 int x1 = window->x1 + (window->isbordered() ? 1 : 0);
184
185 if(menu) {
186 menu->setcoords(x1, window->y1+1, window->x2, bar ? window->y2-2 : window->y2);
187 menu->idle = &menuidle;
188 menu->otherkeys = &menukeys;
189 } else if(tree) {
190 tree->setcoords(x1, window->y1+1, window->x2, bar ? window->y2-2 : window->y2);
191 tree->redraw();
192 tree->menu.idle = &menuidle;
193 tree->menu.otherkeys = &menukeys;
194 } else if(browser) {
195 int x2 = window->x2 - (window->isbordered() ? 1 : 0);
196
197 browser->setcoords(window->x1+1, window->y1+1, x2,
198 bar ? window->y2-2 : window->y2);
199
200 browser->redraw();
201 browser->idle = &browseridle;
202 browser->otherkeys = &browserkeys;
203 }
204 }
205
206 first = false;
207 }
208
close()209 void dialogbox::close() {
210 if(window) window->close();
211 }
212
clearkeys()213 void dialogbox::clearkeys() {
214 kba.clear();
215 }
216
addkey(int key,int baritem)217 void dialogbox::addkey(int key, int baritem) {
218 kba.push_back(keybarassociation(key, baritem));
219 }
220
addautokeys()221 void dialogbox::addautokeys() {
222 int key;
223 vector<string>::const_iterator i;
224 string::const_iterator c;
225
226 if(bar) {
227 for(i = bar->items.begin(); i != bar->items.end(); i++) {
228 for(c = i->begin(); (c != i->end()) && !isupper(*c); c++);
229 key = (c == i->end()) ? *i->begin() : *c;
230 addkey(tolower(key), i-bar->items.begin());
231 addkey(toupper(key), i-bar->items.begin());
232 }
233 }
234 }
235
menuidle(verticalmenu & caller)236 void dialogbox::menuidle(verticalmenu &caller) {
237 if(it->idle) {
238 it->idle(*it);
239 } else {
240 fd_set fds;
241 FD_ZERO(&fds);
242 FD_SET(0, &fds);
243 select(1, &fds, 0, 0, 0);
244 }
245 }
246
browseridle(textbrowser & caller)247 void dialogbox::browseridle(textbrowser &caller) {
248 if(it->idle) {
249 it->idle(*it);
250 } else {
251 fd_set fds;
252 FD_ZERO(&fds);
253 FD_SET(0, &fds);
254 select(1, &fds, 0, 0, 0);
255 }
256 }
257
menukeys(verticalmenu & caller,int k)258 int dialogbox::menukeys(verticalmenu &caller, int k) {
259 list<keybarassociation>::iterator i;
260 int ip;
261 dialogbox *sit;
262
263 switch(k) {
264 case KEY_LEFT:
265 case KEY_RIGHT:
266 if(it->bar) {
267 it->bar->movebar(k);
268 it->bar->redraw();
269 }
270 break;
271 case '-':
272 case '+':
273 if(it->tree)
274 if(it->tree->collapsable) {
275 int nid = it->tree->getid(it->tree->menu.getpos());
276
277 if(it->tree->isnode(nid)) {
278 if(it->tree->isnodeopen(nid)) it->tree->closenode(nid);
279 else it->tree->opennode(nid);
280
281 it->tree->menu.redraw();
282 }
283 }
284
285 default:
286 i = find(it->kba.begin(), it->kba.end(), k);
287
288 if(i != it->kba.end()) {
289 if(it->bar) {
290 it->bar->item = i->baritem;
291 it->bar->redraw();
292 }
293
294 if(it->menu) {
295 return it->menu->getpos()+1;
296 } else if(it->tree) {
297 return it->tree->menu.getpos()+1;
298 }
299 } else {
300 if(it->otherkeys) {
301 sit = it;
302 ip = it->otherkeys(*it, k);
303 it = sit;
304 return ip;
305 }
306 }
307 break;
308 }
309
310 return -1;
311 }
312
browserkeys(textbrowser & caller,int k)313 int dialogbox::browserkeys(textbrowser &caller, int k) {
314 list<keybarassociation>::iterator i;
315 int ip;
316 dialogbox *sit;
317
318 switch(k) {
319 case KEY_LEFT:
320 case KEY_RIGHT:
321 if(it->bar) {
322 it->bar->movebar(k);
323 it->bar->redraw();
324 }
325 break;
326 case '\r':
327 return 1;
328
329 default:
330 i = find(it->kba.begin(), it->kba.end(), k);
331
332 if(i != it->kba.end()) {
333 if(it->bar) {
334 it->bar->item = i->baritem;
335 it->bar->redraw();
336 }
337
338 return 1;
339 } else {
340 if(it->otherkeys) {
341 sit = it;
342 ip = it->otherkeys(*it, k);
343 it = sit;
344 return ip;
345 }
346 }
347 break;
348 }
349
350 return -1;
351 }
352
353 // ----------------------------------------------------------------------------
354
keybarassociation(int nkey,int nbarit)355 dialogbox::keybarassociation::keybarassociation(int nkey, int nbarit) {
356 key = nkey;
357 baritem = nbarit;
358 }
359
operator ==(const int akey)360 bool dialogbox::keybarassociation::operator == (const int akey) {
361 return key == akey;
362 }
363
operator !=(const int akey)364 bool dialogbox::keybarassociation::operator != (const int akey) {
365 return !(*this == akey);
366 }
367