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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:34:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:34:38 +0000
commitfa5845db13c5cc87a03062fedf5d9cc237d14604 (patch)
tree800970ee68d1ce0659dfbde71e1149e6a2cacf9f /key-string.c
parentInitial commit. (diff)
downloadtmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.tar.xz
tmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.zip
Adding upstream version 3.3a.upstream/3.3a
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'key-string.c')
-rw-r--r--key-string.c466
1 files changed, 466 insertions, 0 deletions
diff --git a/key-string.c b/key-string.c
new file mode 100644
index 0000000..0ca9130
--- /dev/null
+++ b/key-string.c
@@ -0,0 +1,466 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+#include "tmux.h"
+
+static key_code key_string_search_table(const char *);
+static key_code key_string_get_modifiers(const char **);
+
+static const struct {
+ const char *string;
+ key_code key;
+} key_string_table[] = {
+ /* Function keys. */
+ { "F1", KEYC_F1|KEYC_IMPLIED_META },
+ { "F2", KEYC_F2|KEYC_IMPLIED_META },
+ { "F3", KEYC_F3|KEYC_IMPLIED_META },
+ { "F4", KEYC_F4|KEYC_IMPLIED_META },
+ { "F5", KEYC_F5|KEYC_IMPLIED_META },
+ { "F6", KEYC_F6|KEYC_IMPLIED_META },
+ { "F7", KEYC_F7|KEYC_IMPLIED_META },
+ { "F8", KEYC_F8|KEYC_IMPLIED_META },
+ { "F9", KEYC_F9|KEYC_IMPLIED_META },
+ { "F10", KEYC_F10|KEYC_IMPLIED_META },
+ { "F11", KEYC_F11|KEYC_IMPLIED_META },
+ { "F12", KEYC_F12|KEYC_IMPLIED_META },
+ { "IC", KEYC_IC|KEYC_IMPLIED_META },
+ { "Insert", KEYC_IC|KEYC_IMPLIED_META },
+ { "DC", KEYC_DC|KEYC_IMPLIED_META },
+ { "Delete", KEYC_DC|KEYC_IMPLIED_META },
+ { "Home", KEYC_HOME|KEYC_IMPLIED_META },
+ { "End", KEYC_END|KEYC_IMPLIED_META },
+ { "NPage", KEYC_NPAGE|KEYC_IMPLIED_META },
+ { "PageDown", KEYC_NPAGE|KEYC_IMPLIED_META },
+ { "PgDn", KEYC_NPAGE|KEYC_IMPLIED_META },
+ { "PPage", KEYC_PPAGE|KEYC_IMPLIED_META },
+ { "PageUp", KEYC_PPAGE|KEYC_IMPLIED_META },
+ { "PgUp", KEYC_PPAGE|KEYC_IMPLIED_META },
+ { "Tab", '\011' },
+ { "BTab", KEYC_BTAB },
+ { "Space", ' ' },
+ { "BSpace", KEYC_BSPACE },
+ { "Enter", '\r' },
+ { "Escape", '\033' },
+
+ /* Arrow keys. */
+ { "Up", KEYC_UP|KEYC_CURSOR|KEYC_IMPLIED_META },
+ { "Down", KEYC_DOWN|KEYC_CURSOR|KEYC_IMPLIED_META },
+ { "Left", KEYC_LEFT|KEYC_CURSOR|KEYC_IMPLIED_META },
+ { "Right", KEYC_RIGHT|KEYC_CURSOR|KEYC_IMPLIED_META },
+
+ /* Numeric keypad. */
+ { "KP/", KEYC_KP_SLASH|KEYC_KEYPAD },
+ { "KP*", KEYC_KP_STAR|KEYC_KEYPAD },
+ { "KP-", KEYC_KP_MINUS|KEYC_KEYPAD },
+ { "KP7", KEYC_KP_SEVEN|KEYC_KEYPAD },
+ { "KP8", KEYC_KP_EIGHT|KEYC_KEYPAD },
+ { "KP9", KEYC_KP_NINE|KEYC_KEYPAD },
+ { "KP+", KEYC_KP_PLUS|KEYC_KEYPAD },
+ { "KP4", KEYC_KP_FOUR|KEYC_KEYPAD },
+ { "KP5", KEYC_KP_FIVE|KEYC_KEYPAD },
+ { "KP6", KEYC_KP_SIX|KEYC_KEYPAD },
+ { "KP1", KEYC_KP_ONE|KEYC_KEYPAD },
+ { "KP2", KEYC_KP_TWO|KEYC_KEYPAD },
+ { "KP3", KEYC_KP_THREE|KEYC_KEYPAD },
+ { "KPEnter", KEYC_KP_ENTER|KEYC_KEYPAD },
+ { "KP0", KEYC_KP_ZERO|KEYC_KEYPAD },
+ { "KP.", KEYC_KP_PERIOD|KEYC_KEYPAD },
+
+ /* Mouse keys. */
+ KEYC_MOUSE_STRING(MOUSEDOWN1, MouseDown1),
+ KEYC_MOUSE_STRING(MOUSEDOWN2, MouseDown2),
+ KEYC_MOUSE_STRING(MOUSEDOWN3, MouseDown3),
+ KEYC_MOUSE_STRING(MOUSEDOWN6, MouseDown6),
+ KEYC_MOUSE_STRING(MOUSEDOWN7, MouseDown7),
+ KEYC_MOUSE_STRING(MOUSEDOWN8, MouseDown8),
+ KEYC_MOUSE_STRING(MOUSEDOWN9, MouseDown9),
+ KEYC_MOUSE_STRING(MOUSEDOWN10, MouseDown10),
+ KEYC_MOUSE_STRING(MOUSEDOWN11, MouseDown11),
+ KEYC_MOUSE_STRING(MOUSEUP1, MouseUp1),
+ KEYC_MOUSE_STRING(MOUSEUP2, MouseUp2),
+ KEYC_MOUSE_STRING(MOUSEUP3, MouseUp3),
+ KEYC_MOUSE_STRING(MOUSEUP6, MouseUp6),
+ KEYC_MOUSE_STRING(MOUSEUP7, MouseUp7),
+ KEYC_MOUSE_STRING(MOUSEUP8, MouseUp8),
+ KEYC_MOUSE_STRING(MOUSEUP9, MouseUp9),
+ KEYC_MOUSE_STRING(MOUSEUP10, MouseUp10),
+ KEYC_MOUSE_STRING(MOUSEUP11, MouseUp11),
+ KEYC_MOUSE_STRING(MOUSEDRAG1, MouseDrag1),
+ KEYC_MOUSE_STRING(MOUSEDRAG2, MouseDrag2),
+ KEYC_MOUSE_STRING(MOUSEDRAG3, MouseDrag3),
+ KEYC_MOUSE_STRING(MOUSEDRAG6, MouseDrag6),
+ KEYC_MOUSE_STRING(MOUSEDRAG7, MouseDrag7),
+ KEYC_MOUSE_STRING(MOUSEDRAG8, MouseDrag8),
+ KEYC_MOUSE_STRING(MOUSEDRAG9, MouseDrag9),
+ KEYC_MOUSE_STRING(MOUSEDRAG10, MouseDrag10),
+ KEYC_MOUSE_STRING(MOUSEDRAG11, MouseDrag11),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND1, MouseDragEnd1),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND2, MouseDragEnd2),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND3, MouseDragEnd3),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND6, MouseDragEnd6),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND7, MouseDragEnd7),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND8, MouseDragEnd8),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND9, MouseDragEnd9),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND10, MouseDragEnd10),
+ KEYC_MOUSE_STRING(MOUSEDRAGEND11, MouseDragEnd11),
+ KEYC_MOUSE_STRING(WHEELUP, WheelUp),
+ KEYC_MOUSE_STRING(WHEELDOWN, WheelDown),
+ KEYC_MOUSE_STRING(SECONDCLICK1, SecondClick1),
+ KEYC_MOUSE_STRING(SECONDCLICK2, SecondClick2),
+ KEYC_MOUSE_STRING(SECONDCLICK3, SecondClick3),
+ KEYC_MOUSE_STRING(SECONDCLICK6, SecondClick6),
+ KEYC_MOUSE_STRING(SECONDCLICK7, SecondClick7),
+ KEYC_MOUSE_STRING(SECONDCLICK8, SecondClick8),
+ KEYC_MOUSE_STRING(SECONDCLICK9, SecondClick9),
+ KEYC_MOUSE_STRING(SECONDCLICK10, SecondClick10),
+ KEYC_MOUSE_STRING(SECONDCLICK11, SecondClick11),
+ KEYC_MOUSE_STRING(DOUBLECLICK1, DoubleClick1),
+ KEYC_MOUSE_STRING(DOUBLECLICK2, DoubleClick2),
+ KEYC_MOUSE_STRING(DOUBLECLICK3, DoubleClick3),
+ KEYC_MOUSE_STRING(DOUBLECLICK6, DoubleClick6),
+ KEYC_MOUSE_STRING(DOUBLECLICK7, DoubleClick7),
+ KEYC_MOUSE_STRING(DOUBLECLICK8, DoubleClick8),
+ KEYC_MOUSE_STRING(DOUBLECLICK9, DoubleClick9),
+ KEYC_MOUSE_STRING(DOUBLECLICK10, DoubleClick10),
+ KEYC_MOUSE_STRING(DOUBLECLICK11, DoubleClick11),
+ KEYC_MOUSE_STRING(TRIPLECLICK1, TripleClick1),
+ KEYC_MOUSE_STRING(TRIPLECLICK2, TripleClick2),
+ KEYC_MOUSE_STRING(TRIPLECLICK3, TripleClick3),
+ KEYC_MOUSE_STRING(TRIPLECLICK6, TripleClick6),
+ KEYC_MOUSE_STRING(TRIPLECLICK7, TripleClick7),
+ KEYC_MOUSE_STRING(TRIPLECLICK8, TripleClick8),
+ KEYC_MOUSE_STRING(TRIPLECLICK9, TripleClick9),
+ KEYC_MOUSE_STRING(TRIPLECLICK10, TripleClick10),
+ KEYC_MOUSE_STRING(TRIPLECLICK11, TripleClick11)
+};
+
+/* Find key string in table. */
+static key_code
+key_string_search_table(const char *string)
+{
+ u_int i, user;
+
+ for (i = 0; i < nitems(key_string_table); i++) {
+ if (strcasecmp(string, key_string_table[i].string) == 0)
+ return (key_string_table[i].key);
+ }
+
+ if (sscanf(string, "User%u", &user) == 1 && user < KEYC_NUSER)
+ return (KEYC_USER + user);
+
+ return (KEYC_UNKNOWN);
+}
+
+/* Find modifiers. */
+static key_code
+key_string_get_modifiers(const char **string)
+{
+ key_code modifiers;
+
+ modifiers = 0;
+ while (((*string)[0] != '\0') && (*string)[1] == '-') {
+ switch ((*string)[0]) {
+ case 'C':
+ case 'c':
+ modifiers |= KEYC_CTRL;
+ break;
+ case 'M':
+ case 'm':
+ modifiers |= KEYC_META;
+ break;
+ case 'S':
+ case 's':
+ modifiers |= KEYC_SHIFT;
+ break;
+ default:
+ *string = NULL;
+ return (0);
+ }
+ *string += 2;
+ }
+ return (modifiers);
+}
+
+/* Lookup a string and convert to a key value. */
+key_code
+key_string_lookup_string(const char *string)
+{
+ static const char *other = "!#()+,-.0123456789:;<=>'\r\t\177`/";
+ key_code key, modifiers;
+ u_int u, i;
+ struct utf8_data ud, *udp;
+ enum utf8_state more;
+ utf8_char uc;
+ char m[MB_LEN_MAX + 1];
+ int mlen;
+
+ /* Is this no key or any key? */
+ if (strcasecmp(string, "None") == 0)
+ return (KEYC_NONE);
+ if (strcasecmp(string, "Any") == 0)
+ return (KEYC_ANY);
+
+ /* Is this a hexadecimal value? */
+ if (string[0] == '0' && string[1] == 'x') {
+ if (sscanf(string + 2, "%x", &u) != 1)
+ return (KEYC_UNKNOWN);
+ if (u < 32)
+ return (u);
+ mlen = wctomb(m, u);
+ if (mlen <= 0 || mlen > MB_LEN_MAX)
+ return (KEYC_UNKNOWN);
+ m[mlen] = '\0';
+
+ udp = utf8_fromcstr(m);
+ if (udp == NULL ||
+ udp[0].size == 0 ||
+ udp[1].size != 0 ||
+ utf8_from_data(&udp[0], &uc) != UTF8_DONE) {
+ free(udp);
+ return (KEYC_UNKNOWN);
+ }
+ free(udp);
+ return (uc);
+ }
+
+ /* Check for modifiers. */
+ modifiers = 0;
+ if (string[0] == '^' && string[1] != '\0') {
+ modifiers |= KEYC_CTRL;
+ string++;
+ }
+ modifiers |= key_string_get_modifiers(&string);
+ if (string == NULL || string[0] == '\0')
+ return (KEYC_UNKNOWN);
+
+ /* Is this a standard ASCII key? */
+ if (string[1] == '\0' && (u_char)string[0] <= 127) {
+ key = (u_char)string[0];
+ if (key < 32)
+ return (KEYC_UNKNOWN);
+ } else {
+ /* Try as a UTF-8 key. */
+ if ((more = utf8_open(&ud, (u_char)*string)) == UTF8_MORE) {
+ if (strlen(string) != ud.size)
+ return (KEYC_UNKNOWN);
+ for (i = 1; i < ud.size; i++)
+ more = utf8_append(&ud, (u_char)string[i]);
+ if (more != UTF8_DONE)
+ return (KEYC_UNKNOWN);
+ if (utf8_from_data(&ud, &uc) != UTF8_DONE)
+ return (KEYC_UNKNOWN);
+ return (uc|modifiers);
+ }
+
+ /* Otherwise look the key up in the table. */
+ key = key_string_search_table(string);
+ if (key == KEYC_UNKNOWN)
+ return (KEYC_UNKNOWN);
+ if (~modifiers & KEYC_META)
+ key &= ~KEYC_IMPLIED_META;
+ }
+
+ /* Convert the standard control keys. */
+ if (key <= 127 &&
+ (modifiers & KEYC_CTRL) &&
+ strchr(other, key) == NULL &&
+ key != 9 &&
+ key != 13 &&
+ key != 27) {
+ if (key >= 97 && key <= 122)
+ key -= 96;
+ else if (key >= 64 && key <= 95)
+ key -= 64;
+ else if (key == 32)
+ key = 0;
+ else if (key == 63)
+ key = 127;
+ else
+ return (KEYC_UNKNOWN);
+ modifiers &= ~KEYC_CTRL;
+ }
+
+ return (key|modifiers);
+}
+
+/* Convert a key code into string format, with prefix if necessary. */
+const char *
+key_string_lookup_key(key_code key, int with_flags)
+{
+ key_code saved = key;
+ static char out[64];
+ char tmp[8];
+ const char *s;
+ u_int i;
+ struct utf8_data ud;
+ size_t off;
+
+ *out = '\0';
+
+ /* Literal keys are themselves. */
+ if (key & KEYC_LITERAL) {
+ snprintf(out, sizeof out, "%c", (int)(key & 0xff));
+ goto out;
+ }
+
+ /* Display C-@ as C-Space. */
+ if ((key & (KEYC_MASK_KEY|KEYC_MASK_MODIFIERS)) == 0)
+ key = ' '|KEYC_CTRL;
+
+ /* Fill in the modifiers. */
+ if (key & KEYC_CTRL)
+ strlcat(out, "C-", sizeof out);
+ if (key & KEYC_META)
+ strlcat(out, "M-", sizeof out);
+ if (key & KEYC_SHIFT)
+ strlcat(out, "S-", sizeof out);
+ key &= KEYC_MASK_KEY;
+
+ /* Handle no key. */
+ if (key == KEYC_NONE) {
+ s = "None";
+ goto append;
+ }
+
+ /* Handle special keys. */
+ if (key == KEYC_UNKNOWN) {
+ s = "Unknown";
+ goto append;
+ }
+ if (key == KEYC_ANY) {
+ s = "Any";
+ goto append;
+ }
+ if (key == KEYC_FOCUS_IN) {
+ s = "FocusIn";
+ goto append;
+ }
+ if (key == KEYC_FOCUS_OUT) {
+ s = "FocusOut";
+ goto append;
+ }
+ if (key == KEYC_PASTE_START) {
+ s = "PasteStart";
+ goto append;
+ }
+ if (key == KEYC_PASTE_END) {
+ s = "PasteEnd";
+ goto append;
+ }
+ if (key == KEYC_MOUSE) {
+ s = "Mouse";
+ goto append;
+ }
+ if (key == KEYC_DRAGGING) {
+ s = "Dragging";
+ goto append;
+ }
+ if (key == KEYC_MOUSEMOVE_PANE) {
+ s = "MouseMovePane";
+ goto append;
+ }
+ if (key == KEYC_MOUSEMOVE_STATUS) {
+ s = "MouseMoveStatus";
+ goto append;
+ }
+ if (key == KEYC_MOUSEMOVE_STATUS_LEFT) {
+ s = "MouseMoveStatusLeft";
+ goto append;
+ }
+ if (key == KEYC_MOUSEMOVE_STATUS_RIGHT) {
+ s = "MouseMoveStatusRight";
+ goto append;
+ }
+ if (key == KEYC_MOUSEMOVE_BORDER) {
+ s = "MouseMoveBorder";
+ goto append;
+ }
+ if (key >= KEYC_USER && key < KEYC_USER + KEYC_NUSER) {
+ snprintf(tmp, sizeof tmp, "User%u", (u_int)(key - KEYC_USER));
+ strlcat(out, tmp, sizeof out);
+ goto out;
+ }
+
+ /* Try the key against the string table. */
+ for (i = 0; i < nitems(key_string_table); i++) {
+ if (key == (key_string_table[i].key & KEYC_MASK_KEY))
+ break;
+ }
+ if (i != nitems(key_string_table)) {
+ strlcat(out, key_string_table[i].string, sizeof out);
+ goto out;
+ }
+
+ /* Is this a Unicode key? */
+ if (KEYC_IS_UNICODE(key)) {
+ utf8_to_data(key, &ud);
+ off = strlen(out);
+ memcpy(out + off, ud.data, ud.size);
+ out[off + ud.size] = '\0';
+ goto out;
+ }
+
+ /* Invalid keys are errors. */
+ if (key > 255) {
+ snprintf(out, sizeof out, "Invalid#%llx", saved);
+ goto out;
+ }
+
+ /* Check for standard or control key. */
+ if (key <= 32) {
+ if (key == 0 || key > 26)
+ xsnprintf(tmp, sizeof tmp, "C-%c", (int)(64 + key));
+ else
+ xsnprintf(tmp, sizeof tmp, "C-%c", (int)(96 + key));
+ } else if (key >= 32 && key <= 126) {
+ tmp[0] = key;
+ tmp[1] = '\0';
+ } else if (key == 127)
+ xsnprintf(tmp, sizeof tmp, "C-?");
+ else if (key >= 128)
+ xsnprintf(tmp, sizeof tmp, "\\%llo", key);
+
+ strlcat(out, tmp, sizeof out);
+ goto out;
+
+append:
+ strlcat(out, s, sizeof out);
+
+out:
+ if (with_flags && (saved & KEYC_MASK_FLAGS) != 0) {
+ strlcat(out, "[", sizeof out);
+ if (saved & KEYC_LITERAL)
+ strlcat(out, "L", sizeof out);
+ if (saved & KEYC_KEYPAD)
+ strlcat(out, "K", sizeof out);
+ if (saved & KEYC_CURSOR)
+ strlcat(out, "C", sizeof out);
+ if (saved & KEYC_IMPLIED_META)
+ strlcat(out, "I", sizeof out);
+ if (saved & KEYC_BUILD_MODIFIERS)
+ strlcat(out, "B", sizeof out);
+ strlcat(out, "]", sizeof out);
+ }
+ return (out);
+}