Accept the VT200 escape code [3~ as backspace for LinuxTerm
terminals.
Signed-off-by: Roy Franz <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
---
.../Universal/Console/TerminalDxe/Terminal.h | 1 +
.../Universal/Console/TerminalDxe/TerminalConIn.c | 33 ++++++++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
index e0335db..727cab8 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
@@ -117,6 +117,7 @@ typedef struct {
#define INPUT_STATE_LEFTOPENBRACKET 0x04
#define INPUT_STATE_O 0x08
#define INPUT_STATE_2 0x10
+#define INPUT_STATE_LEFTOPENBRACKET_2 0x20
#define RESET_STATE_DEFAULT 0x00
#define RESET_STATE_ESC_R 0x01
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
index 70ec370..b23b012 100644
--- a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
+++ b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
@@ -1397,6 +1397,12 @@ UnicodeToEfiKey (
TerminalDevice->TerminalType == VTUTF8TYPE ||
TerminalDevice->TerminalType == LINUXTERMTYPE) {
switch (UnicodeChar) {
+ case '3':
+ if (TerminalDevice->TerminalType == LINUXTERMTYPE) {
+ TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET_2;
+ continue;
+ }
+ break;
case 'A':
Key.ScanCode = SCAN_UP;
break;
@@ -1527,6 +1533,33 @@ UnicodeToEfiKey (
break;
+ case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET |
INPUT_STATE_LEFTOPENBRACKET_2:
+
+ Key.ScanCode = SCAN_NULL;
+
+ if (TerminalDevice->TerminalType == LINUXTERMTYPE) {
+ switch (UnicodeChar) {
+ case '~':
+ Key.ScanCode = SCAN_DELETE;
+ break;
+ }
+ }
+
+ TerminalDevice->ResetState = RESET_STATE_DEFAULT;
+
+ if (Key.ScanCode != SCAN_NULL) {
+ Key.UnicodeChar = 0;
+ EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
+ TerminalDevice->InputState = INPUT_STATE_DEFAULT;
+ UnicodeToEfiKeyFlushState (TerminalDevice);
+ continue;
+ }
+
+ UnicodeToEfiKeyFlushState (TerminalDevice);
+
+ break;
+
+
default:
//
// Invalid state. This should never happen.
--
1.9.1
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