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patch 8.2.3043: Amiga: cannot get the shell size on MorphOS and AROS

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Problem:    Amiga: cannot get the shell size on MorphOS and AROS.
Solution:   Use control sequences. (Ola Söder, closes #8438)
This commit is contained in:
ola.soder@axis.com
2021-06-23 22:05:27 +02:00
committed by Bram Moolenaar
parent 6738fd2000
commit d415d26913
2 changed files with 55 additions and 6 deletions
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59
src/os_amiga.c
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@@ -1008,7 +1008,58 @@ mch_settmode(tmode_T tmode)
#endif
/*
* try to get the real window size
* Get console size in a system friendly way on AROS and MorphOS.
* Return FAIL for failure, OK otherwise
*/
#if defined(__AROS__) || defined(__MORPHOS__)
int
mch_get_shellsize(void)
{
if (!term_console)
return FAIL;
if (raw_in && raw_out)
{
// Save current console mode.
int old_tmode = cur_tmode;
char ctrl[] = "\x9b""0 q";
// Set RAW mode.
mch_settmode(TMODE_RAW);
// Write control sequence to console.
if (Write(raw_out, ctrl, sizeof(ctrl)) == sizeof(ctrl))
{
char scan[] = "\x9b""1;1;%d;%d r",
answ[sizeof(scan) + 8] = { '\0' };
// Read return sequence from input.
if (Read(raw_in, answ, sizeof(answ) - 1) > 0)
{
// Parse result and set Vim globals.
if (sscanf(answ, scan, &Rows, &Columns) == 2)
{
// Restore console mode.
mch_settmode(old_tmode);
return OK;
}
}
}
// Restore console mode.
mch_settmode(old_tmode);
}
// I/O error. Default size fallback.
term_console = FALSE;
Columns = 80;
Rows = 24;
return FAIL;
}
#else
/*
* Try to get the real window size,
* return FAIL for failure, OK otherwise
*/
int
@@ -1040,13 +1091,8 @@ mch_get_shellsize(void)
OUT_STR("\233t\233u"); // CSI t CSI u
out_flush();
#ifdef __AROS__
if (!Info(raw_out, id)
|| (wb_window = (struct Window *) id->id_VolumeNode) == NULL)
#else
if (dos_packet(MP(raw_out), (long)ACTION_DISK_INFO, ((ULONG) id) >> 2) == 0
|| (wb_window = (struct Window *)id->id_VolumeNode) == NULL)
#endif
{
// it's not an amiga window, maybe aux device
// terminal type should be set
@@ -1081,6 +1127,7 @@ out:
return FAIL;
}
#endif
/*
* Try to set the real window size to Rows and Columns.