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[ncman] implement pgup/pgdown

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nick black 2021-12-09 18:07:11 -05:00 committed by nick black
parent 238663403b
commit 1ef4d27960
1 changed files with 27 additions and 6 deletions
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33
src/man/main.c
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@ -690,7 +690,7 @@ draw_domnode(struct ncplane* p, const pagedom* dom, const pagenode* n,
case LINE_SH: // section heading
if(strcmp(n->text, "NAME")){
ncplane_puttext(p, -1, NCALIGN_LEFT, "\n\n", &b);
ncplane_set_styles(p, NCSTYLE_BOLD);
ncplane_set_styles(p, NCSTYLE_BOLD | NCSTYLE_UNDERLINE);
ncplane_putstr_aligned(p, -1, NCALIGN_CENTER, n->text);
ncplane_set_styles(p, NCSTYLE_NONE);
ncplane_cursor_move_yx(p, -1, 0);
@ -699,7 +699,7 @@ draw_domnode(struct ncplane* p, const pagedom* dom, const pagenode* n,
break;
case LINE_SS: // subsection heading
ncplane_puttext(p, -1, NCALIGN_LEFT, "\n\n", &b);
ncplane_set_styles(p, NCSTYLE_ITALIC);
ncplane_set_styles(p, NCSTYLE_ITALIC | NCSTYLE_UNDERLINE);
ncplane_putstr_aligned(p, -1, NCALIGN_CENTER, n->text);
ncplane_set_styles(p, NCSTYLE_NONE);
ncplane_cursor_move_yx(p, -1, 0);
@ -713,7 +713,7 @@ draw_domnode(struct ncplane* p, const pagedom* dom, const pagenode* n,
putpara(p, n->text);
}
}else{
ncplane_set_styles(p, NCSTYLE_BOLD | NCSTYLE_ITALIC | NCSTYLE_UNDERLINE);
ncplane_set_styles(p, NCSTYLE_BOLD | NCSTYLE_ITALIC);
ncplane_set_fg_rgb(p, 0xff6a00);
ncplane_putstr_aligned(p, -1, NCALIGN_CENTER, n->text);
ncplane_set_fg_default(p);
@ -783,7 +783,8 @@ render_troff(struct notcurses* nc, const unsigned char* map, size_t mlen,
return pman;
}
static const char USAGE_TEXT[] = "(k↑/j↓) (q)uit";
static const char USAGE_TEXT[] = "⎥b⇞k↑j↓f⇟⎢ (q)uit";
static const char USAGE_TEXT_ASCII[] = "(bkjf) (q)uit";
static int
draw_bar(struct ncplane* bar, pagedom* dom){
@ -797,7 +798,11 @@ draw_bar(struct ncplane* bar, pagedom* dom){
ncplane_set_styles(bar, NCSTYLE_NONE);
ncplane_printf(bar, ") %s", dom->version);
ncplane_set_styles(bar, NCSTYLE_ITALIC);
ncplane_putstr_aligned(bar, 0, NCALIGN_RIGHT, USAGE_TEXT);
if(notcurses_canutf8(ncplane_notcurses(bar))){
ncplane_putstr_aligned(bar, 0, NCALIGN_RIGHT, USAGE_TEXT);
}else{
ncplane_putstr_aligned(bar, 0, NCALIGN_RIGHT, USAGE_TEXT_ASCII);
}
return 0;
}
@ -915,7 +920,23 @@ manloop(struct notcurses* nc, const char* arg){
ncplane_move_rel(page, -1, 0);
}
break;
case 'q':
case 'b': case NCKEY_PGUP:{
int newy = ncplane_y(page) + (int)ncplane_dim_y(stdn);
if(newy > 0){
newy = 0;
}
ncplane_move_yx(page, newy, 0);
break;
}case 'f': case NCKEY_PGDOWN:{
int newy = ncplane_y(page) - (int)ncplane_dim_y(stdn);
if(newy + ncplane_dim_y(page) < ncplane_dim_y(stdn)){
if((newy = ncplane_dim_y(stdn) - ncplane_dim_y(page)) > 0){
newy = 0;
}
}
ncplane_move_yx(page, newy, 0);
break;
}case 'q':
ret = 0;
goto done;
}