1 files changed, 163 insertions, 0 deletions
diff --git a/dselect/pkginfo.cc b/dselect/pkginfo.cc
new file mode 100644
index 000000000..69b0df92a
--- /dev/null
+++ b/dselect/pkginfo.cc
@@ -0,0 +1,163 @@
+/*
+ * dselect - Debian GNU/Linux package maintenance user interface
+ * pkginfo.cc - handles (re)draw of package list window infopad
+ *
+ * Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ncurses.h>
+#include <assert.h>
+#include <ctype.h>
+
+extern "C" {
+#include "config.h"
+#include "dpkg.h"
+#include "dpkg-db.h"
+}
+#include "dselect.h"
+#include "bindings.h"
+#include "helpmsgs.h"
+
+const struct helpmenuentry *packagelist::helpmenulist() {
+  static const struct helpmenuentry
+    rw[]= {
+      { 'i', &hlp_mainintro       },
+      { 'k', &hlp_listkeys        },
+      { 'l', &hlp_displayexplain1 },
+      { 'd', &hlp_displayexplain2 },
+      {  0                        }
+    },
+    ro[]= {
+      { 'i', &hlp_readonlyintro   },
+      { 'k', &hlp_listkeys        },
+      { 'l', &hlp_displayexplain1 },
+      { 'd', &hlp_displayexplain2 },
+      {  0                        }
+    },
+    recur[]= {
+      { 'i', &hlp_recurintro      },
+      { 'k', &hlp_listkeys        },
+      { 'l', &hlp_displayexplain1 },
+      { 'd', &hlp_displayexplain2 },
+      {  0                        }
+    };
+  return
+    !readwrite ? ro :
+    !recursive ? rw :
+                 recur;
+}
+
+int packagelist::itr_recursive() { return recursive; }
+
+const packagelist::infotype packagelist::infoinfos[]= {
+  { itr_recursive,     itd_relations    },
+  { 0,                 itd_description  },
+  { 0,                 itd_controlfile  },
+  { 0,                 0                }
+};
+
+const packagelist::infotype *const packagelist::baseinfo= infoinfos;
+
+void packagelist::severalinfoblurb(const char *whatinfoline) {
+  whatinfovb(whatinfoline);
+  varbuf vb;
+  vb("The line you have highlighted represents many packages; "
+     "if you ask to select or deselect it you will affect all the "
+     "packages which match the criterion shown.\n"
+     "\n"
+     "If you move the highlight to a line for a particular package "
+     "you will see information about that package displayed here.");
+  wordwrapinfo(0,vb.string());
+}
+
+void packagelist::itd_relations() {
+  if (table[cursorline]->pkg->name) {
+    whatinfovb("interrelationships affecting ");
+    whatinfovb(table[cursorline]->pkg->name);
+    if (debug) fprintf(debug,"packagelist[%p]::idt_relations(); `%s'\n",
+                       this,table[cursorline]->relations.string());
+    waddstr(infopad,table[cursorline]->relations.string());
+  } else {
+    severalinfoblurb("interrelationships");
+  }
+}
+
+void packagelist::itd_description() {
+  if (table[cursorline]->pkg->name) {
+    whatinfovb("description of ");
+    whatinfovb(table[cursorline]->pkg->name);
+
+    const char *m= table[cursorline]->pkg->available.description;
+    if (!m || !*m) m= "no description available.";
+    const char *p= strchr(m,'\n');
+    int l= p ? (int)(p-m) : strlen(m);
+    wattrset(infopad,info_headattr);
+    waddstr(infopad, table[cursorline]->pkg->name);
+    waddstr(infopad," - ");
+    waddnstr(infopad,m,l);
+    wattrset(infopad,info_attr);
+    if (p) {
+      waddstr(infopad,"\n\n");
+      wordwrapinfo(1,++p);
+    }
+  } else {
+    severalinfoblurb("description");
+  }
+}
+
+void packagelist::itd_controlfile() {
+  werase(infopad);
+  if (!table[cursorline]->pkg->name) {
+    severalinfoblurb("control file information");
+  } else {
+    whatinfovb("control file information for ");
+    whatinfovb(table[cursorline]->pkg->name);
+    varbuf vb;
+    varbufrecord(&vb,table[cursorline]->pkg,&table[cursorline]->pkg->available);
+    vb.terminate();
+    if (debug)
+      fprintf(debug,"packagelist[%p]::idt_controlfile(); `%s'\n",this,vb.string());
+    waddstr(infopad,vb.string());
+  }
+}
+
+void packagelist::redrawinfo() {
+  for (;;) {
+    if (!currentinfo || !currentinfo->display) currentinfo= baseinfo;
+    if (!currentinfo->relevant) break;
+    if ((this->*currentinfo->relevant)()) break;
+    currentinfo++;
+  }
+  if (!info_height) return;
+  whatinfovb.reset();
+  werase(infopad); wmove(infopad,0,0);
+  
+  if (debug)
+    fprintf(debug,"packagelist[%p]::redrawinfo(); #=%d\n", this,
+            (int)(currentinfo - baseinfo));
+  
+  (this->*currentinfo->display)();
+  whatinfovb.terminate();
+  int y,x;
+  getyx(infopad, y,x);
+  if (x) y++;
+  infolines= y;
+
+  refreshinfo();
+}