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/*
* Copyright (c) 1998 - 1999, 2001 Karel Zak "Zakkr" <zakkr@zf.jcu.cz>
*
* This program 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.
*
* $Id: menu.c,v 1.2 2001/01/02 14:16:15 zakkr Exp $
*/
#include <ctype.h>
#include "aca.h"
#include "aca_widget.h"
#include "widget_utils.h"
#define SCR_MAX (m->flag & M_DESCRIPT ? m->scr_max-1 : m->scr_max)
#define MENU_LOCK (s->lock = (m->flag & M_EDIT ? HOTKEY_LOCK : SOFT_LOCK))
#define MENU_UNLOCK (s->lock = UN_LOCK)
/*
Set actual item and menu line if one item (line) in menu erase
! not set menu scr_max and item_max >>> you must set it before
this function <<< !
*/
void decrease_item(Wmenu *m)
{
_D( " decrease_item()");
if (m->fios > 0) {
if (m->item_max - m->fios - m->scr_max < 0) {
--m->fios;
--m->item_act;
}
}
else {
if (m->item_act > m->item_max)
m->item_act = m->scr_act = m->scr_last = m->item_max;
}
m->scr_last = m->scr_act;
}
void clean_menu(Wmenu *m, Widget *w)
{
int add_title=0, add_border=0;
WidgetColor *color;
_D( " clean_menu()" );
if (m->flag & M_COLORDIRECT) color = &TplC->menu_direct;
else if (m->flag & M_COLORIN) color = &TplC->menu_in;
else color = &TplC->menu_out;
if (m->flag & M_TOPTITLE) add_title = 1;
if (m->flag & M_BORDER) add_border = 1;
else if (m->flag & M_TITLE) add_title = 1;
clean_box(w->y+add_border+add_title,
w->x - (!add_border ? : 0),
m->scr_max,
w->cols, color->nsel);
}
void draw_menu(Wmenu *m, Widget *w, int redraw)
{
int add_title=0, add_border=0;
if (m->flag & M_TOPTITLE) add_title = 1;
if (m->flag & M_BORDER) add_border = 1;
else if (m->flag & M_TITLE) add_title = 1;
if (!redraw) {
/* Redraw (only) old */
m->line_printer(m, w, w->y+m->scr_last+add_border+add_title,
w->x+add_border, m->item_last);
}
else {
int i, a;
/* Set lios */
m->lios = m->item_max > SCR_MAX + m->fios ? SCR_MAX + m->fios : m->item_max;
/* Redraw all line in menu */
for (i=m->fios, a=0; i<=m->lios; i++, a++) {
if ((m->flag & M_DESCRIPT) && a==0 ) {
m->descript_printer(m, w, w->y+a+add_border+add_title,
w->x+add_border);
--i;
continue;
}
if (i!=m->item_act)
m->line_printer(m, w, w->y+a+add_border+add_title,
w->x+add_border, i);
}
}
/* Last print actual item */
m->line_printer(m, w, w->y+m->scr_act+add_border+add_title,
w->x+add_border, m->item_act);
}
static int seek_upward(Wmenu *m, int key, int redraw)
{
_D( " seek_upward()");
switch (key) {
case KEY_PPAGE:
if (m->fios - SCR_MAX > 0) {
m->item_act -= SCR_MAX;
m->fios -= SCR_MAX;
return redraw;
}
case KEY_HOME:
if ((m->flag & M_EDIT) && key == KEY_HOME) {
m->sht_act = 0;
((Edata *) m->list)->c_poz = 0;
return redraw;
}
m->scr_act = m->item_act = 0;
if (m->fios > 0) redraw = TRUE;
m->fios = 0;
return redraw;
case KEY_UP:
if (m->item_act > 0) {
--m->item_act;
if (m->scr_act == 0 || ((m->flag & M_DESCRIPT) &&
(m->scr_act == 1)))
--m->fios;
else
redraw=FALSE;
if (m->scr_act > 0) --m->scr_act;
if (m->flag & M_DESCRIPT)
m->scr_act = m->scr_act != 0 ? m->scr_act :
(m->scr_act - 1 > 0 ? --m->scr_act : ++m->scr_act);
}
return redraw;
}
return redraw;
}
static int seek_downward(Wmenu *m, Widget *w, int key, int redraw)
{
_D(" seek_downward()");
switch(key) {
case KEY_NPAGE:
if (m->fios + SCR_MAX < m->item_max &&
m->lios + SCR_MAX < m->item_max) {
m->item_act += SCR_MAX;
m->fios = m->lios; redraw = TRUE;
return redraw;
}
case KEY_END:
if ((m->flag & M_EDIT) && key == KEY_END) {
Edata *e = (Edata *) m->list;
if (e->line_act_len > w->cols-1) {
e->c_poz = w->cols-1;
m->sht_act = e->line_act_len - e->c_poz;
}
else {
e->c_poz = e->line_act_len;
m->sht_act = 0;
}
return redraw;
}
if (m->fios == m->item_max - SCR_MAX)
redraw = FALSE;
if (m->flag & M_DESCRIPT)
m->scr_act = m->scr_max > m->item_max+1 ? m->item_max+1 : m->scr_max;
else
m->scr_act = m->scr_max > m->item_max ? m->item_max : m->scr_max;
m->fios = (m->item_max - SCR_MAX) <0 ? 0 : m->item_max - SCR_MAX;
m->item_act = m->item_max;
return redraw;
case KEY_DOWN:
if (m->item_act < m->item_max) {
++m->item_act;
if (m->scr_act < m->scr_max) {
++m->scr_act; redraw=FALSE;
if (m->flag & M_DESCRIPT)
m->scr_act = m->scr_act != 0 ? m->scr_act :
(m->scr_act + 1 > m->scr_max ? --m->scr_act : ++m->scr_act);
}
else {
++m->fios; redraw=TRUE;
}
}
return redraw;
}
return redraw;
}
static int seek_sideward(Wmenu *m, Widget *w, int key, int redraw)
{
_D( " seek_sideward()");
switch(key) {
case KEY_LEFT:
if (!(m->flag & M_EDIT)) {
if (m->sht_act > 0)
--m->sht_act;
}
else {
Edata *e = (Edata *) m->list;
if (e->c_poz > 0)
--e->c_poz;
else if (m->sht_act > 0)
--m->sht_act;
else if (m->item_act > 0) {
menu_seek(m, w, KEY_UP, DUMMY_GO);
menu_seek(m, w, KEY_END, DUMMY_GO);
}
}
return redraw;
case KEY_RIGHT:
if (!(m->flag & M_EDIT)) {
if (m->sht_act < m->sht_max)
++m->sht_act;
}
else {
Edata *e = (Edata *) m->list;
if (m->sht_act + e->c_poz < e->line_act_len) {
if (e->c_poz < w->cols-1)
++e->c_poz;
else if (m->sht_act < m->sht_max - e->c_poz)
++m->sht_act;
}
else if (m->item_act < m->item_max) {
menu_seek(m, w, KEY_DOWN, DUMMY_GO);
menu_seek(m, w, KEY_HOME, DUMMY_GO);
}
}
return redraw;
}
return redraw;
}
void menu_seek(Wmenu *m, Widget *w, int key, int flag)
{
int redraw=TRUE;
_D( " menu_seek()");
if (m->item_max < 0)
return;
if (key==KEY_UP || key==KEY_DOWN || key==KEY_HOME || key==K_STAY ||
key==KEY_END || key==KEY_NPAGE || key==KEY_PPAGE || key==KEY_LEFT ||
key==KEY_RIGHT) {
if (key!=K_STAY || key!=KEY_LEFT || key!=KEY_RIGHT || (flag & DUMMY_GO)) {
/* If K_STAY redraw only, don't go */
m->scr_last = m->scr_act;
m->item_last = m->item_act;
}
if (key==KEY_HOME || key==KEY_PPAGE || key==KEY_UP)
redraw = seek_upward(m, key, redraw);
else if (key==KEY_END || key==KEY_NPAGE || key==KEY_DOWN)
redraw = seek_downward(m, w, key, redraw);
else if (key==KEY_LEFT || key==KEY_RIGHT)
redraw = seek_sideward(m, w, key, redraw);
/* Check */
if (m->scr_last < 0 && m->item_max >= 0) m->scr_last = 0;
if (m->scr_act < 0 && m->item_max >= 0) m->scr_act = 0;
if (m->item_act < 0 && m->item_max >= 0) m->item_act = 0;
if ((m->flag & M_DESCRIPT) && (m->scr_act==0))
m->scr_act=1;
if ((m->flag & M_DESCRIPT) && (0 == m->scr_max) && (m->scr_act==m->scr_max))
m->scr_act=SCR_MAX;
if (m->flag & M_EDIT)
if (m->item_last != m->item_act) {
Edata *e = (Edata *) m->list;
e->line_act = get_line(e->str, m->item_act);
e->line_act_len = line_len(e->line_act);
}
if (!(flag & DUMMY_GO))
draw_menu(m, w, redraw);
}
}
void menu_dummy_go(Widget *w, Wmenu *m, int key, int num)
{
register int a;
_D( " menu_dummy_go()");
for(a=0; a<=num; a++)
menu_seek(m, w, key, DUMMY_GO);
}
static int check_dummy_go(Wmenu *m, int key, int num)
{
_D( " check_dummy_go()");
if (m->flag & M_DESCRIPT) {
if (key == KEY_DOWN && m->item_act <= 0 &&
m->item_act+num >= 0) {
--num;
}
else if (key == KEY_UP && m->item_act >= 0 &&
m->item_act-num <= 0) {
--num;
}
}
return num;
}
static void alist_seek(Wmenu *m, Widget *w, int key)
{
register int i;
_D( " alist_seek() ");
for(i=0; i<=m->item_max; i++) {
if (tolower(key) == gethotkey(m->alist[i])) {
ACA_RESET_MENU(m);
menu_dummy_go(w, m, KEY_DOWN, i-1);
key = K_STAY;
break;
}
}
menu_seek(m, w, key, 0);
}
void mpr_astr(Wmenu *m, Widget *w, int line, int cols, int item)
{
WidgetColor *color;
_D( " mpr_astr()" );
if (m->flag & M_COLORDIRECT) color = &TplC->menu_direct;
else if (m->flag & M_COLORIN) color = &TplC->menu_in;
else color = &TplC->menu_out;
if (m->item_act == item) {
clean_hline(line, cols-1, m->flag & M_BORDER ? w->cols+1 : w->cols, color->sel);
mvaddastr(line, cols, m->alist[item],
color->sel_astr, color->sel);
}
else {
clean_hline(line, cols-1, m->flag & M_BORDER ? w->cols+1 : w->cols, color->nsel);
mvaddastr(line, cols, m->alist[item],
color->nsel_astr, color->nsel);
}
}
void mpr_str(Wmenu *m, Widget *w, int line, int cols, int item)
{
int color;
_D( " mpr_str()");
if (m->flag & M_COLORDIRECT)
color = m->item_act == item ? TplC->menu_direct.sel : TplC->menu_direct.nsel;
else if (m->flag & M_COLORIN)
color = m->item_act == item ? TplC->menu_in.sel : TplC->menu_in.nsel;
else
color = m->item_act == item ? TplC->menu_out.sel : TplC->menu_out.nsel;
clean_hline(line, cols-1, m->flag & M_BORDER ? w->cols+1 : w->cols, color);
mvaddstr(line, cols, m->alist[item]);
}
void init_view(Wmenu *m)
{
_D( " init_view()");
m->item_max = linesize_instr((char *) m->list, &m->sht_max);
}
void mpr_descript (Wmenu *m, Widget *w, int line, int cols)
{
int color;
_D( " mpr_view()");
if (m->flag & M_COLORDIRECT) color = TplC->menu_direct.descript;
else if (m->flag & M_COLORIN) color = TplC->menu_in.descript;
else color = TplC->menu_out.descript;
clean_hline(line, cols-1, m->flag & M_BORDER ? w->cols+1 : w->cols, color);
if (m->flag & M_SHTMENU)
mvaddline_nstr_sht(line, cols, m->descript, 0, w->cols-2, m->sht_act);
else
mvaddline_nstr(line, cols, m->descript, 0, w->cols-2);
}
void mpr_view (Wmenu *m, Widget *w, int line, int cols, int item)
{
int color;
_D( " mpr_view()");
if (m->flag & M_COLORDIRECT) color = TplC->menu_direct.nsel;
else if (m->flag & M_COLORIN) color = TplC->menu_in.nsel;
else color = TplC->menu_out.nsel;
clean_hline(line, cols-1, m->flag & M_BORDER ? w->cols+1 : w->cols, color);
if (m->item_act == item) {
mvaddch(line, cols-1, ACA_RARROW);
mvaddch(line, cols + w->cols-1, ACA_LARROW);
}
if (m->flag & M_SHTMENU)
mvaddline_nstr_sht(line, cols, (char *) m->list, item,
w->cols-2, m->sht_act);
else
mvaddline_nstr(line, cols, (char *) m->list, item, w->cols-2);
}
void init_edit(Wmenu *m, Edata *e)
{
_D( " init_edit()");
m->item_max = linesize_instr(e->str, &m->sht_max);
e->line_act = get_line(e->str, m->item_act);
e->line_act_len = line_len(e->line_act);
e->a_size = strlen(e->str);
}
void mpr_edit(Wmenu *m, Widget *w, int line, int cols, int item)
{
int color;
_D( " mpr_edit()");
if (m->flag & M_COLORDIRECT) color = TplC->menu_direct.nsel;
else if (m->flag & M_COLORIN) color = TplC->menu_in.nsel;
else color = TplC->menu_out.nsel;
clean_hline(line, cols-1, m->flag & M_BORDER ? w->cols+1 : w->cols, color);
mvaddline_nstr_sht(line, cols, ((Edata *) m->list)->str, item,
w->cols-2, m->sht_act);
}
int is_mouse_in_menu(SessW *s, Widget *w, Wmenu *m)
{
#ifdef HAVE_MOUSE
int add_title=0, add_border=0;
_D( " is_mouse_in_menu()");
if (m->flag & M_TOPTITLE) add_title = 1;
if (m->flag & M_BORDER) add_border = 1;
else if (m->flag & M_TITLE) add_title = 1;
if (!aca.mouse) return FALSE;
/* title */
if ( ((m->flag & M_TITLE) || (m->flag & M_TOPTITLE)) &&
aca.mouse_x >= w->x &&
aca.mouse_x <= w->x + m->astr_size &&
aca.mouse_y == w->y)
return TRUE;
/* still open */
if ( (m->flag & M_OPEN) &&
aca.mouse_x >= w->x - add_border &&
aca.mouse_x <= w->cols + w->x + add_border &&
aca.mouse_y >= w->y + add_title &&
aca.mouse_y <= m->scr_max + w->y + add_title+add_border+add_border)
return TRUE;
/* if active and open */
else if (w->id == s->actual &&
aca.mouse_x >= w->x - add_title &&
aca.mouse_x <= w->cols + w->x + add_border &&
aca.mouse_y >= w->y + add_title &&
aca.mouse_y <= m->scr_max + w->y + add_title+add_border+add_border)
return TRUE;
#endif
return FALSE;
}
#ifdef HAVE_MOUSE
static void mouse_reposition_line(Widget *w, Wmenu *m, int add_line)
{
int i = aca.mouse_y - w->y - add_line - m->scr_act;
_D( " mouse_reposition_line()");
if ((i>0) && (m->flag & M_DESCRIPT) && m->item_act == 0)
i++;
if (i>0)
menu_dummy_go(w, m, KEY_DOWN, check_dummy_go(m, KEY_DOWN, --i));
else
menu_dummy_go(w, m, KEY_UP, check_dummy_go(m, KEY_UP, i * -1 - 1));
menu_seek(m, w, K_STAY, 0); /* redraw menu */
if (m->flag & M_EDIT) {
Edata *e = m->list;
int add_border = m->flag & M_BORDER ? 1 : 0;
if (aca.mouse_x >= w->x+add_border
&& aca.mouse_x <= e->line_act_len+w->x+add_border)
e->c_poz = (aca.mouse_x - w->x - add_border) > e->line_act_len ?
e->line_act_len : aca.mouse_x - w->x - add_border;
curs_set(1);
move(w->y + m->scr_act + add_line,
w->x + e->c_poz + add_border);
}
}
#endif
int menu_fn(SessW *s, Widget *w, void *data, int key, int Msg)
{
Wmenu *m;
WidgetColor *color;
int add_title=0, add_border=0;
int mouse_is = FALSE;
Edata *edata = NULL;
_D( " menu_fn()");
DEBUG_WIDGET(w,s);
m = (Wmenu *) data;
if (m->flag & M_COLORDIRECT) color = &TplC->menu_direct;
else if (m->flag & M_COLORIN) color = &TplC->menu_in;
else color = &TplC->menu_out;
if (m->flag & M_TOPTITLE) add_title = 1;
if (m->flag & M_BORDER) add_border = 1;
else if (m->flag & M_TITLE) add_title = 1;
if ((key == K_MOUSE_L || key == K_MOUSE_R) && is_mouse_in_widget(w, s))
mouse_is = TRUE;
if (m->flag & M_EDIT)
edata = (Edata *) m->list;
switch(Msg) {
case WIDGET_DRAW:
ubold;
if ((m->flag & M_BORDER) && ((m->flag & M_OPEN) || w->id == s->actual))
draw_linebox(w->y+add_title, w->x-1, m->scr_max+1+add_border,
w->cols+2, (w->id == s->actual ? color->border_sel : color->border_nsel));
if (((m->flag & M_OPEN) || w->id == s->actual)
|| (m->item_max < m->scr_max || m->item_max < w->lines))
clean_menu(m, w);
if (w->id == s->actual) {
if ((m->flag & M_TITLE) || (m->flag & M_TOPTITLE)) {
if (m->flag & M_TITLE_NSEL)
W_mvaddastr (w, w->y, w->x, m->astr,
color->title_nsel_astr, color->title_nsel);
else
W_mvaddastr (w, w->y, w->x, m->astr,
color->title_sel_astr, color->title_sel);
}
#ifdef HAVE_MOUSE
if (mouse_is) {
mouse_reposition_line(w, m, add_border+add_title);
MENU_LOCK;
return Wr_MENU_CHANGE;
} else
#endif
menu_seek(m, w, K_STAY, 0);
if (m->flag & M_EDIT) {
curs_set(1);
move(w->y + m->scr_act + add_title + add_border,
w->x + edata->c_poz + add_border);
}
MENU_LOCK;
}
else if (!(w->flag & Wf_NOTVISIBLE)) {
if ((m->flag & M_TITLE) || (m->flag & M_TOPTITLE))
W_mvaddastr(w, w->y, w->x, m->astr,
color->title_nsel_astr, color->title_nsel);
if (m->flag & M_OPEN) {
if (!(m->flag & M_STILLV)) {
int a, i;
/* invisible cursor line */
i = color->sel;
a = color->sel_astr;
color->sel = color->nsel;
color->sel_astr = color->nsel_astr;
menu_seek(m, w, K_STAY, 0);
color->sel = i;
color->sel_astr = a;
}
else
menu_seek(m, w, K_STAY, 0);
}
if (m->flag & M_EDIT)
curs_set(0);
}
return Wr_OK;
case WIDGET_KEY:
if (w->id == s->actual) {
/* spec. for SHTMENU */
if ((!(m->flag & M_SHTMENU)) || (key!=KEY_LEFT && key!=KEY_RIGHT) ) {
int akey=1, ahot=2;
/* spec. for EDIT */
if ((!(m->flag & M_EDIT)) || ( key!='\n' && !mouse_is)) {
/* go out of menu */
if (key==KEY_LEFT || key==KEY_RIGHT || key=='\t' || key == '\n'
|| ((m->flag & M_ALIST) &&
((akey = tolower(key)) == (ahot = gethotkey(m->alist[m->item_act]))))
#ifdef HAVE_MOUSE
/* press mouse over actual menu item */
|| (mouse_is &&
aca.mouse_y-w->y-add_title-add_border == m->scr_act)
#endif
) {
if ((m->flag & M_ALIST) && (akey == ahot))
key = '\n';
if (key == K_MOUSE_L ) key = '\n';
if ((!(m->flag & M_NOTOUT)) || key!='\n') {
MENU_UNLOCK;
if (key == '\n') s->key = KEY_DOWN;
}
return (key == '\n' ?
((m->flag & M_OPEN) ? Wr_MENU_PRESS : Wr_MENU_PRESS | Wr_NEED_REDRAW) :
((m->flag & M_OPEN) ? Wr_MENU_OUT : Wr_MENU_OUT | Wr_NEED_REDRAW));
}
else
MENU_LOCK;
}
else /* EDIT */
MENU_LOCK;
}
else /* SHTMENU */
MENU_LOCK;
if((m->flag & M_TITLE) || (m->flag & M_TOPTITLE)) {
if (m->flag & M_TITLE_NSEL)
W_mvaddastr (w, w->y, w->x, m->astr,
color->title_nsel_astr, color->title_nsel);
else
W_mvaddastr (w, w->y, w->x, m->astr,
color->title_sel_astr, color->title_sel);
}
#ifdef HAVE_MOUSE
if (mouse_is) {
mouse_reposition_line(w, m, add_border+add_title);
return Wr_MENU_CHANGE;
}
#endif
if ((m->flag & M_EDIT) &&
input_to_line(m, (Edata *) m->list, w, s->key))
menu_seek(m, w, K_STAY, 0);
else {
/* standard keys */
if (m->flag & M_ALIST)
alist_seek(m, w, key);
else
menu_seek(m, w, key, 0);
}
if (m->flag & M_EDIT) {
curs_set(1);
move(w->y + m->scr_act + add_title + add_border,
w->x + edata->c_poz + add_border);
}
return Wr_MENU_CHANGE;
/* not actual */
}
else
widget_keys(key, w, s);
return Wr_OK;
} /* switch() */
return Wr_ERROR;
}
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