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Fix pager(1) bugs.

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This commit is contained in:
Jonas 'Sortie' Termansen 2016-02-24 22:57:41 +01:00
parent 77129524eb
commit d472818380
1 changed files with 21 additions and 18 deletions
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21
utils/pager.cpp
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@ -272,6 +272,7 @@ static void pager_push_wchar(struct pager* pager, wchar_t wc)
if ( pager->incoming_control_state == CONTROL_STATE_CSI ) if ( pager->incoming_control_state == CONTROL_STATE_CSI )
{ {
pager->incoming_control_state = CONTROL_STATE_NONE;
if ( wc == '[' ) if ( wc == '[' )
pager->incoming_control_state = CONTROL_STATE_COMMAND; pager->incoming_control_state = CONTROL_STATE_COMMAND;
} }
@ -318,7 +319,6 @@ static void pager_push_wchar(struct pager* pager, wchar_t wc)
size_t left = pager->out_fd_winsize.ws_col - pager->incoming_line_width; size_t left = pager->out_fd_winsize.ws_col - pager->incoming_line_width;
if ( left < (size_t) width ) if ( left < (size_t) width )
line = pager_next_line(pager); line = pager_next_line(pager);
else
pager->incoming_line_width += width; pager->incoming_line_width += width;
} }
else else
@ -402,7 +402,7 @@ static void pager_control_sequence_finish(struct pager* pager, wchar_t wc)
pager_control_sequence_push(pager, wc); pager_control_sequence_push(pager, wc);
if ( pager->control_state == CONTROL_STATE_NONE ) if ( pager->control_state == CONTROL_STATE_NONE )
return; return;
if ( wc == 'm' ) if ( wc == L'm' )
{ {
pager->input_set_color = true; pager->input_set_color = true;
return pager_control_sequence_accept(pager); return pager_control_sequence_accept(pager);
@ -502,12 +502,12 @@ static void pager_simple_fd(struct pager* pager, int fd, const char* fdpath)
static bool pager_can_page(struct pager* pager) static bool pager_can_page(struct pager* pager)
{ {
if ( pager->lines_used <= pager->current_line ) if ( pager->current_line + 1 == pager->lines_used )
return false; {
struct line* line = &pager->lines[pager->current_line]; struct line* line = &pager->lines[pager->current_line];
if ( line->content_used <= pager->current_line_offset ) return pager->current_line_offset < line->content_used;
return false; }
return true; return pager->current_line + 1 < pager->lines_used;
} }
static void pager_page(struct pager* pager) static void pager_page(struct pager* pager)
@ -555,17 +555,20 @@ static void pager_push_fd(struct pager* pager, int fd, const char* fdpath)
bool eof = false; bool eof = false;
while ( !pager->quiting ) while ( !pager->quiting )
{ {
if ( !pager->skipping_to_end && pager->allowed_lines == 0 ) if ( !pager->skipping_to_end )
{
if ( pager->allowed_lines == 0 )
{ {
pager->allowance_ever_exhausted = true; pager->allowance_ever_exhausted = true;
pager_prompt(pager, false); pager_prompt(pager, false);
continue; continue;
} }
if ( !pager->skipping_to_end && pager_can_page(pager) ) if ( pager_can_page(pager) )
{ {
pager_page(pager); pager_page(pager);
continue; continue;
} }
}
if ( eof ) if ( eof )
break; break;
if ( !pager_read_fd(pager, fd, fdpath) ) if ( !pager_read_fd(pager, fd, fdpath) )