dselect/pkgcmds.cc

   1 /*
   2  * dselect - Debian package maintenance user interface
   3  * pkgcmds.cc - package list keyboard commands
   4  *
   5  * Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
   6  * Copyright © 2008-2014 Guillem Jover <guillem@debian.org>
   7  *
   8  * This 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
  11  * (at your option) any later version.
  12  *
  13  * This is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU 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, see <https://www.gnu.org/licenses/>.
  20  */
  21
  22 #include <config.h>
  23 #include <compat.h>
  24
  25 #include <string.h>
  26 #include <stdio.h>
  27
  28 #include <dpkg/dpkg.h>
  29 #include <dpkg/dpkg-db.h>
  30
  31 #include "dselect.h"
  32 #include "pkglist.h"
  33
  34 bool
  35 packagelist::affectedmatches(struct pkginfo *pkg, struct pkginfo *comparewith) {
  36   switch (statsortorder) {
  37   case sso_avail:
  38     if (comparewith->clientdata->ssavail != pkg->clientdata->ssavail)
  39       return false;
  40     break;
  41   case sso_state:
  42     if (comparewith->clientdata->ssstate != pkg->clientdata->ssstate)
  43       return false;
  44     break;
  45   case sso_unsorted:
  46     break;
  47   default:
  48     internerr("unknown statsortorder %d", statsortorder);
  49   }
  50   if (comparewith->priority != PKG_PRIO_UNSET &&
  51       (comparewith->priority != pkg->priority ||
  52        (comparewith->priority == PKG_PRIO_OTHER &&
  53         strcasecmp(comparewith->otherpriority, pkg->otherpriority))))
  54     return false;
  55   if (comparewith->section &&
  56       strcasecmp(comparewith->section,
  57                  pkg->section ?
  58                  pkg->section : ""))
  59     return false;
  60   return true;
  61 }
  62
  63 void packagelist::affectedrange(int *startp, int *endp) {
  64   if (table[cursorline]->pkg->set->name) {
  65     *startp= cursorline;
  66     *endp= cursorline+1;
  67     return;
  68   }
  69   int index = cursorline;
  70   while (index < nitems && !table[index]->pkg->set->name)
  71     index++;
  72   if (index >= nitems) {
  73     *startp= *endp= cursorline;
  74     return;
  75   }
  76   *startp= index;
  77   while (index < nitems && affectedmatches(table[index]->pkg,table[cursorline]->pkg))
  78     index++;
  79   *endp= index;
  80 }
  81
  82 void packagelist::movecursorafter(int ncursor) {
  83   if (ncursor >= nitems) ncursor= nitems-1;
  84   topofscreen += ncursor-cursorline;
  85   if (topofscreen > nitems - list_height) topofscreen= nitems - list_height;
  86   if (topofscreen < 0) topofscreen= 0;
  87   setcursor(ncursor);
  88   refreshlist(); redrawthisstate();
  89 }
  90
  91 pkgwant
  92 packagelist::reallywant(pkgwant nwarg, struct perpackagestate *pkgstate)
  93 {
  94   if (nwarg != PKG_WANT_SENTINEL)
  95     return nwarg;
  96   pkgstatus status = pkgstate->pkg->status;
  97   if (status == PKG_STAT_NOTINSTALLED)
  98     return PKG_WANT_PURGE;
  99   if (status == PKG_STAT_CONFIGFILES)
 100     return PKG_WANT_DEINSTALL;
 101   return PKG_WANT_INSTALL;
 102 }
 103
 104 void
 105 packagelist::setwant(pkgwant nwarg)
 106 {
 107   int bot;
 108
 109   if (modstatdb_get_status() == msdbrw_readonly) {
 110     beep();
 111     return;
 112   }
 113
 114   if (recursive) {
 115     redrawitemsrange(cursorline,cursorline+1);
 116     table[cursorline]->selected= reallywant(nwarg,table[cursorline]);
 117     redraw1item(cursorline);
 118     bot= cursorline+1;
 119   } else {
 120     int top;
 121     pkgwant nw;
 122
 123     packagelist *sub = new packagelist(bindings, nullptr);
 124
 125     affectedrange(&top,&bot);
 126     for (int index = top; index < bot; index++) {
 127       if (!table[index]->pkg->set->name)
 128         continue;
 129       nw= reallywant(nwarg,table[index]);
 130       if (table[index]->selected == nw ||
 131           (table[index]->selected == PKG_WANT_PURGE &&
 132            nw == PKG_WANT_DEINSTALL))
 133         continue;
 134       sub->add(table[index]->pkg,nw);
 135     }
 136
 137     repeatedlydisplay(sub,dp_may,this);
 138     for (int index = top; index < bot; index++)
 139       redraw1item(index);
 140   }
 141   movecursorafter(bot);
 142 }
 143
 144 bool manual_install = false;
 145
 146 void packagelist::kd_select()   {
 147         manual_install = true;
 148         setwant(PKG_WANT_INSTALL);
 149         manual_install = false;
 150 }
 151 void packagelist::kd_hold()     { setwant(PKG_WANT_HOLD);      }
 152 void packagelist::kd_deselect() { setwant(PKG_WANT_DEINSTALL); }
 153 void packagelist::kd_unhold()   { setwant(PKG_WANT_SENTINEL);  }
 154 void packagelist::kd_purge()    { setwant(PKG_WANT_PURGE);     }
 155
 156 int
 157 would_like_to_install(pkgwant wantvalue, pkginfo *pkg)
 158 {
 159   /* Returns: 1 for yes, 0 for no, -1 for if they want to preserve an error condition. */
 160   debug(dbg_general, "would_like_to_install(%d, %s) status %d",
 161         wantvalue, pkg_name(pkg, pnaw_always), pkg->status);
 162
 163   if (wantvalue == PKG_WANT_INSTALL)
 164     return 1;
 165   if (wantvalue != PKG_WANT_HOLD)
 166     return 0;
 167   if (pkg->status == PKG_STAT_INSTALLED)
 168     return 1;
 169   if (pkg->status == PKG_STAT_NOTINSTALLED ||
 170       pkg->status == PKG_STAT_CONFIGFILES)
 171     return 0;
 172   return -1;
 173 }
 174
 175 const char *packagelist::itemname(int index) {
 176   return table[index]->pkg->set->name;
 177 }
 178
 179 void packagelist::kd_swapstatorder() {
 180   if (sortorder == so_unsorted) return;
 181   switch (statsortorder) {
 182   case sso_avail:     statsortorder= sso_state;     break;
 183   case sso_state:     statsortorder= sso_unsorted;  break;
 184   case sso_unsorted:  statsortorder= sso_avail;     break;
 185   default:
 186     internerr("unknown statsort %d", statsortorder);
 187   }
 188   resortredisplay();
 189 }
 190
 191 void packagelist::kd_swaporder() {
 192   switch (sortorder) {
 193   case so_priority:  sortorder= so_section;   break;
 194   case so_section:   sortorder= so_alpha;     break;
 195   case so_alpha:     sortorder= so_priority;  break;
 196   case so_unsorted:                           return;
 197   default:
 198     internerr("unknown sort %d", sortorder);
 199   }
 200   resortredisplay();
 201 }
 202
 203 void packagelist::resortredisplay() {
 204   const char *oldname = table[cursorline]->pkg->set->name;
 205   sortmakeheads();
 206   int newcursor;
 207   newcursor= 0;
 208   if (oldname) {
 209     int index;
 210     for (index=0; index<nitems; index++) {
 211       if (table[index]->pkg->set->name &&
 212           strcasecmp(oldname, table[index]->pkg->set->name) == 0) {
 213         newcursor= index;
 214         break;
 215       }
 216     }
 217   }
 218   topofscreen= newcursor-1;
 219   if (topofscreen > nitems - list_height) topofscreen= nitems-list_height;
 220   if (topofscreen < 0) topofscreen= 0;
 221   setwidths();
 222   redrawtitle();
 223   redrawcolheads();
 224   ldrawnstart= ldrawnend= -1;
 225   cursorline= -1;
 226   setcursor(newcursor);
 227   refreshlist();
 228 }
 229
 230 void
 231 packagelist::kd_archdisplay()
 232 {
 233   switch (archdisplayopt) {
 234   case ado_both:
 235     archdisplayopt = ado_none;
 236     break;
 237   case ado_none:
 238     archdisplayopt = ado_available;
 239     break;
 240   case ado_available:
 241     archdisplayopt = ado_both;
 242     break;
 243   default:
 244     internerr("unknown archdisplayopt %d", archdisplayopt);
 245   }
 246   setwidths();
 247   leftofscreen = 0;
 248   ldrawnstart = ldrawnend = -1;
 249   redrawtitle();
 250   redrawcolheads();
 251   redrawitemsrange(topofscreen, min(topofscreen + list_height, nitems));
 252   refreshlist();
 253 }
 254
 255 void packagelist::kd_versiondisplay() {
 256   switch (versiondisplayopt) {
 257   case vdo_both:       versiondisplayopt= vdo_none;       break;
 258   case vdo_none:       versiondisplayopt= vdo_available;  break;
 259   case vdo_available:  versiondisplayopt= vdo_both;       break;
 260   default:
 261     internerr("unknown versiondisplayopt %d", versiondisplayopt);
 262   }
 263   setwidths();
 264   leftofscreen= 0;
 265   ldrawnstart= ldrawnend= -1;
 266   redrawtitle();
 267   redrawcolheads();
 268   redrawitemsrange(topofscreen, min(topofscreen + list_height, nitems));
 269   refreshlist();
 270 }
 271
 272 void packagelist::kd_verbose() {
 273   verbose= !verbose;
 274   setwidths();
 275   leftofscreen= 0;
 276   ldrawnstart= ldrawnend= -1;
 277   redrawtitle();
 278   redrawcolheads();
 279   redrawitemsrange(topofscreen, min(topofscreen + list_height, nitems));
 280   refreshlist();
 281 }
 282
 283 void packagelist::kd_quit_noop() { }
 284
 285 void packagelist::kd_revert_abort() {
 286   int index;
 287   for (index=0; index<nitems; index++) {
 288     if (table[index]->pkg->set->name)
 289       table[index]->selected= table[index]->original;
 290     ldrawnstart= ldrawnend= -1;
 291   }
 292   refreshlist(); redrawthisstate();
 293 }
 294
 295 void packagelist::kd_revertdirect() {
 296   int index;
 297   for (index=0; index<nitems; index++) {
 298     if (table[index]->pkg->set->name)
 299       table[index]->selected= table[index]->direct;
 300     ldrawnstart= ldrawnend= -1;
 301   }
 302   refreshlist(); redrawthisstate();
 303 }
 304
 305 void packagelist::kd_revertsuggest() {
 306   int index;
 307   for (index=0; index<nitems; index++) {
 308     if (table[index]->pkg->set->name)
 309       table[index]->selected= table[index]->suggested;
 310     ldrawnstart= ldrawnend= -1;
 311   }
 312   refreshlist(); redrawthisstate();
 313 }
 314
 315 void
 316 packagelist::kd_revertinstalled()
 317 {
 318   int i;
 319
 320   for (i = 0; i < nitems; i++) {
 321     if (table[i]->pkg->set->name)
 322       table[i]->selected = reallywant(PKG_WANT_SENTINEL, table[i]);
 323     ldrawnstart = ldrawnend = -1;
 324   }
 325
 326   refreshlist();
 327   redrawthisstate();
 328 }
 329
 330 /* FIXME: configurable purge/deselect */
 331
 332 void packagelist::kd_toggleinfo() {
 333   showinfo= (showinfo+2) % 3;
 334   setheights();
 335   if (cursorline >= topofscreen+list_height) topofscreen += list_height;
 336   if (topofscreen > nitems - list_height) topofscreen= nitems-list_height;
 337   if (topofscreen < 0) topofscreen= 0;
 338   infotopofscreen= 0;
 339   redraw1item(cursorline);
 340   refreshlist();
 341   redrawthisstate();
 342   redrawinfo();
 343 }
 344
 345 void packagelist::kd_info() {
 346   if (!showinfo) {
 347     showinfo= 2; kd_toggleinfo();
 348   } else {
 349     currentinfo++;
 350     infotopofscreen=0;
 351     redrawinfo();
 352   }
 353 }