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fixes for tranzport print routine

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git-svn-id: svn://localhost/trunk/ardour2@447 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2006-04-06 02:17:58 +00:00
parent 0f530372d2
commit 06764a3b07
1 changed files with 26 additions and 21 deletions
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47
libs/surfaces/tranzport/tranzport_control_protocol.cc
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@ -258,8 +258,8 @@ TranzportControlProtocol::write (uint8_t* cmd, uint32_t timeout_override)
void
TranzportControlProtocol::lcd_clear ()
{
print (0, 0, " ");
print (1, 0, " ");
print (0, 0, " ");
print (1, 0, " ");
}
int
@ -1106,7 +1106,7 @@ TranzportControlProtocol::show_wheel_mode ()
break;
case WheelPan:
print (1, 0, _("Wh: pan"));
print (1, 0, _("Wh: pan "));
break;
case WheelMaster:
@ -1121,7 +1121,8 @@ TranzportControlProtocol::print (int row, int col, const char *text)
int cell;
uint32_t left = strlen (text);
char tmp[5];
int base_col;
if (row < 0 || row > 1) {
return;
}
@ -1132,40 +1133,44 @@ TranzportControlProtocol::print (int row, int col, const char *text)
while (left) {
if (left && left < 4) {
memset (tmp, ' ', 4);
memcpy (tmp, text, left);
tmp[4] = '\0';
text = tmp;
}
if (col >= 0 && col < 4) {
cell = 0;
base_col = 0;
} else if (col >= 4 && col < 8) {
cell = 1;
base_col = 4;
} else if (col >= 8 && col < 12) {
cell = 2;
base_col = 8;
} else if (col >= 12 && col < 16) {
cell = 3;
base_col = 12;
} else if (col >= 16 && col < 20) {
cell = 4;
base_col = 16;
} else {
return;
}
int offset = col % 4;
/* copy current cell contents into tmp */
memcpy (tmp, &current_screen[row][base_col], 4);
/* overwrite with new text */
uint32_t tocopy = min ((4U - offset), left);
memcpy (tmp+offset, text, tocopy);
cell += (row * 5);
lcd_write (row, col, cell, text);
lcd_write (row, base_col, cell, tmp);
int shift = min (4U, left);
text += shift;
left -= shift;
col += 4;
text += tocopy;
left -= tocopy;
col += tocopy;
}
}