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Add keyboard number selection to chvideomode(1).

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This commit is contained in:
Jonas 'Sortie' Termansen 2015-12-27 22:19:36 +01:00
parent 5ba7ce6802
commit 794cfd057a
1 changed files with 55 additions and 34 deletions
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89
utils/chvideomode.cpp
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@ -444,43 +444,64 @@ retry_pick_mode:
if ( settermmode(0, TERMMODE_KBKEY | TERMMODE_UNICODE | TERMMODE_SIGNAL) < 0 )
error(1, errno, "settermmode");
uint32_t codepoint;
ssize_t numbytes;
int kbkey = 0;
while ( 0 < (numbytes = read(0, &codepoint, sizeof(codepoint))) &&
(kbkey = KBKEY_DECODE(codepoint)) == 0 )
continue;
bool redraw = false;
while ( !redraw && !decided )
{
uint32_t codepoint;
ssize_t numbytes = read(0, &codepoint, sizeof(codepoint));
if ( numbytes < 0 )
error(1, errno, "read");
int kbkey = KBKEY_DECODE(codepoint);
if ( kbkey )
{
switch ( kbkey )
{
case KBKEY_ESC:
if ( settermmode(0, oldtermmode) < 0 )
error(1, errno, "settermmode");
printf("\n");
exit(10);
break;
case KBKEY_UP:
if ( selection )
selection--;
else
selection = num_modes -1;
redraw = true;
break;
case KBKEY_DOWN:
if ( selection + 1 == num_modes )
selection = 0;
else
selection++;
redraw = true;
break;
case KBKEY_ENTER:
if ( settermmode(0, oldtermmode) < 0 )
error(1, errno, "settermmode");
fgetc(stdin);
printf("\n");
decided = true;
break;
}
}
else
{
if ( L'0' <= codepoint && codepoint <= '9' )
{
uint32_t requested = codepoint - '0';
if ( requested < num_modes )
{
selection = requested;
redraw = true;
}
}
}
}
if ( settermmode(0, oldtermmode) < 0 )
error(1, errno, "settermmode");
if ( numbytes < 0 )
error(1, errno, "read");
switch ( kbkey )
{
case KBKEY_ESC:
printf("\n");
exit(10);
break;
case KBKEY_UP:
if ( selection )
selection--;
else
selection = num_modes -1;
break;
case KBKEY_DOWN:
if ( selection + 1 == num_modes )
selection = 0;
else
selection++;
break;
case KBKEY_ENTER:
fgetc(stdin);
printf("\n");
decided = true;
break;
}
}
struct dispmsg_crtc_mode mode = modes[selection];