Define shifted variants for a few common keys

kitty/keys.py

@@ -27,6 +27,14 @@ key_map[defines.GLFW_KEY_ENTER] = b'\r'
 key_map[defines.GLFW_KEY_BACKSPACE] = b'\x08'
 key_map[defines.GLFW_KEY_TAB] = b'\t'
 
+SHIFTED_KEYS = {
+    defines.GLFW_KEY_TAB: key_as_bytes('kcbt'),
+    defines.GLFW_KEY_HOME: key_as_bytes('kHOM'),
+    defines.GLFW_KEY_END: key_as_bytes('kEND'),
+    defines.GLFW_KEY_LEFT: key_as_bytes('kLFT'),
+    defines.GLFW_KEY_RIGHT: key_as_bytes('kRIT'),
+}
+
 control_codes = {k: 1 + i for i, k in enumerate(range(defines.GLFW_KEY_A, defines.GLFW_KEY_RIGHT_BRACKET))}
 alt_codes = {k: (0x1b, k) for i, k in enumerate(range(defines.GLFW_KEY_A, defines.GLFW_KEY_RIGHT_BRACKET))}
 
@@ -43,8 +51,7 @@ def interpret_key_event(key, scancode, mods):
         x = key_map.get(key)
         if x is not None:
             if mods == defines.GLFW_MOD_SHIFT:
-                if key == defines.GLFW_KEY_TAB:
-                    x = b'\x1b[Z'
+                x = SHIFTED_KEYS.get(key, x)
             data.extend(x)
     return bytes(data)
 

kitty/terminfo.py

@@ -222,6 +222,18 @@ string_capabilities = {
     # Select alternate charset
     'smacs': r'\E(0',
     'rmacs': r'\E(B',
+    # Shifted keys
+    'kRIT': r'\E[1;2C',
+    'kLFT': r'\E[1;2D',
+    'kEND': r'\E[1;2F',
+    'kHOM': r'\E[1;2H',
+    # Special keys
+    'khlp': r'',
+    'kund': r'',
+    'ka1': r'',
+    'ka3': r'',
+    'kc1': r'',
+    'kc3': r'',
 }
 
 termcap_aliases.update({
@@ -317,7 +329,16 @@ termcap_aliases.update({
     'ZR': 'ritm',
     'as': 'smacs',
     'ae': 'rmacs',
-
+    '#2': 'kHOM',
+    '#4': 'kLFT',
+    '*7': 'kEND',
+    '%i': 'kRIT',
+    '%1': 'khlp',
+    '&8': 'kund',
+    'K1': 'ka1',
+    'K3': 'ka3',
+    'K4': 'kc1',
+    'K5': 'kc3',
 })
 
 queryable_capabilities = numeric_capabilities.copy()

terminfo/kitty.terminfo

@@ -1,17 +1,17 @@
 xterm-kitty|KovIdTTY,
-	xenl,
 	msgr,
+	mir,
 	npc,
-	am,
+	xenl,
 	km,
 	ccc,
-	mir,
 	mc5i,
-	lines#24,
-	pairs#32767,
-	it#8,
-	cols#80,
+	am,
 	colors#256,
+	it#8,
+	pairs#32767,
+	lines#24,
+	cols#80,
 	acsc=++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
 	bel=^G,
 	bold=\E[1m,
@@ -50,6 +50,10 @@ xterm-kitty|KovIdTTY,
 	il1=\E[L,
 	ind=^J,
 	indn=\E[%p1%dS,
+	kEND=\E[1;2F,
+	kHOM=\E[1;2H,
+	kLFT=\E[1;2D,
+	kRIT=\E[1;2C,
 	kbs=\177,
 	kcbt=\E[Z,
 	kcub1=\EOD,
@@ -70,6 +74,7 @@ xterm-kitty|KovIdTTY,
 	kf7=\E[18~,
 	kf8=\E[19~,
 	kf9=\E[20~,
+	khlp=,
 	khome=\EOH,
 	kich1=\E[2~,
 	kmous=\E[M,