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/*
* dselect - Debian package maintenance user interface
* dselect.h - external definitions for this program
*
* Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
* Copyright © 2001 Wichert Akkerman <wakkerma@debian.org>
*
* 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 of the License, 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 program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef DSELECT_H
#define DSELECT_H
#include <signal.h>
#include <algorithm>
using std::min;
using std::max;
#include <dpkg/debug.h>
#include "dselect-curses.h"
#define DSELECT "dselect"
#define TOTAL_LIST_WIDTH 180
#define MAX_DISPLAY_INFO 120
struct helpmenuentry {
char key;
const struct helpmessage *msg;
};
struct keybindings;
enum screenparts {
background,
list,
listsel,
title,
thisstate,
selstate,
selstatesel,
colheads,
query,
info_body,
info_head,
whatinfo,
helpscreen,
numscreenparts,
};
struct column {
column(): title(nullptr), x(0), width(0) {}
void blank() { title = nullptr; x = 0; width = 0; }
const char *title;
int x;
int width;
};
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 part_attr[numscreenparts];
int gap_width;
int col_cur_x;
int total_width;
void add_column(column &col, const char *title, int width);
void end_column(column &col, const char *title);
void draw_column_head(const column &col);
void draw_column_sep(const column &col, int y);
void draw_column_item(const column &col, int y, const char *item);
// (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.
// Window resize handling (via SIGWINCH).
void resize_window();
int nitems, ldrawnstart, ldrawnend, showinfo;
int topofscreen, leftofscreen, cursorline;
int infotopofscreen, infolines;
varbuf whatinfovb;
char searchstring[128];
virtual void setheights();
void unsizes();
void dosearch();
void displayhelp(const struct helpmenuentry *menu, int key);
void displayerror(const char *str);
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;
virtual bool checksearch(char *str);
virtual bool matchsearch(int index);
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();
explicit baselist(keybindings *);
virtual ~baselist();
};
void displayhelp(const struct helpmenuentry *menu, int key);
void mywerase(WINDOW *win);
void curseson();
void cursesoff();
extern bool expertmode;
struct colordata {
int fore;
int back;
int attr;
};
extern colordata color[];
/* Evil recommends flag variable. */
extern bool manual_install;
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;
#endif /* DSELECT_H */
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