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/* -*- c++ -*-
* dselect - selection of Debian packages
* dselect.h - external definitions for this program
*
* Copyright (C) 1994,1995 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 dpkg; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef DSELECT_H
#define DSELECT_H
#define TOTAL_LIST_WIDTH 180
#define MAX_DISPLAY_INFO 120
#include <signal.h>
struct helpmenuentry {
char key;
const struct helpmessage *msg;
};
class keybindings;
class baselist {
protected:
// Screen dimensions &c.
int xmax, ymax;
int title_height, colheads_height, list_height;
int thisstate_height, info_height, whatinfo_height;
int colheads_row, thisstate_row, info_row, whatinfo_row, list_row;
int list_attr, listsel_attr, title_attr, colheads_attr, info_attr;
int info_headattr, whatinfo_attr;
int thisstate_attr, query_attr;
int selstate_attr, selstatesel_attr;
int total_width;
// (n)curses stuff
WINDOW *listpad, *infopad, *colheadspad, *thisstatepad;
WINDOW *titlewin, *whatinfowin, *querywin;
// If listpad is null, then we have not started to display yet, and
// so none of the auto-displaying update routines need to display.
// SIGWINCH handling
struct sigaction *osigactp, nsigact;
sigset_t *oblockedp, sigwinchset;
void setupsigwinch();
static baselist *signallist;
static void sigwinchhandler(int);
int nitems, ldrawnstart, ldrawnend, showinfo;
int topofscreen, leftofscreen, cursorline;
int infotopofscreen, infolines;
varbuf whatinfovb;
char searchstring[50];
void setheights();
void unsizes();
void dosearch();
void displayhelp(const struct helpmenuentry *menu, int key);
void redrawall();
void redrawitemsrange(int start /*inclusive*/, int end /*exclusive*/);
void redraw1item(int index);
void refreshlist();
void refreshinfo();
void refreshcolheads();
void setcursor(int index);
void itd_keys();
virtual void redraw1itemsel(int index, int selected) =0;
virtual void redrawcolheads() =0;
virtual void redrawthisstate() =0;
virtual void redrawinfo() =0;
virtual void redrawtitle() =0;
virtual void setwidths() =0;
virtual const char *itemname(int index) =0;
virtual const struct helpmenuentry *helpmenulist() =0;
void wordwrapinfo(int offset, const char *string);
public:
keybindings *bindings;
void kd_up();
void kd_down();
void kd_redraw();
void kd_scrollon();
void kd_scrollback();
void kd_scrollon1();
void kd_scrollback1();
void kd_panon();
void kd_panback();
void kd_panon1();
void kd_panback1();
void kd_top();
void kd_bottom();
void kd_iscrollon();
void kd_iscrollback();
void kd_iscrollon1();
void kd_iscrollback1();
void kd_search();
void kd_searchagain();
void kd_help();
void startdisplay();
void enddisplay();
baselist(keybindings*);
virtual ~baselist();
};
static inline int lesserint(int a, int b) { return a<b ? a : b; }
static inline int greaterint(int a, int b) { return a>b ? a : b; }
void displayhelp(const struct helpmenuentry *menu, int key);
void mywerase(WINDOW *win);
void curseson();
void cursesoff();
extern const char *admindir;
extern FILE *debug;
extern int expertmode;
enum urqresult { urqr_normal, urqr_fail, urqr_quitmenu };
enum quitaction { qa_noquit, qa_quitchecksave, qa_quitnochecksave };
typedef urqresult urqfunction(void);
urqfunction urq_list, urq_quit, urq_menu;
urqfunction urq_setup, urq_update, urq_install, urq_config, urq_remove;
urqresult falliblesubprocess(const char *exepath, const char *name,
const char *const *args);
#endif /* DSELECT_H */
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