input: split off some code from input.c to separate files

This is mostly just moving code around.

1 files changed, 321 insertions, 0 deletions

diff --git a/input/keycodes.c b/input/keycodes.c
new file mode 100644
index 0000000000..a1e466ed09
--- /dev/null
+++ b/input/keycodes.c
@@ -0,0 +1,321 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+#include "bstr/bstr.h"
+#include "common/common.h"
+#include "common/msg.h"
+
+#include "keycodes.h"
+
+struct key_name {
+    int key;
+    char *name;
+};
+
+/// The names of the keys as used in input.conf
+/// If you add some new keys, you also need to add them here
+
+static const struct key_name key_names[] = {
+  { ' ', "SPACE" },
+  { '#', "SHARP" },
+  { MP_KEY_ENTER, "ENTER" },
+  { MP_KEY_TAB, "TAB" },
+  { MP_KEY_BACKSPACE, "BS" },
+  { MP_KEY_DELETE, "DEL" },
+  { MP_KEY_INSERT, "INS" },
+  { MP_KEY_HOME, "HOME" },
+  { MP_KEY_END, "END" },
+  { MP_KEY_PAGE_UP, "PGUP" },
+  { MP_KEY_PAGE_DOWN, "PGDWN" },
+  { MP_KEY_ESC, "ESC" },
+  { MP_KEY_PRINT, "PRINT" },
+  { MP_KEY_RIGHT, "RIGHT" },
+  { MP_KEY_LEFT, "LEFT" },
+  { MP_KEY_DOWN, "DOWN" },
+  { MP_KEY_UP, "UP" },
+  { MP_KEY_F+1, "F1" },
+  { MP_KEY_F+2, "F2" },
+  { MP_KEY_F+3, "F3" },
+  { MP_KEY_F+4, "F4" },
+  { MP_KEY_F+5, "F5" },
+  { MP_KEY_F+6, "F6" },
+  { MP_KEY_F+7, "F7" },
+  { MP_KEY_F+8, "F8" },
+  { MP_KEY_F+9, "F9" },
+  { MP_KEY_F+10, "F10" },
+  { MP_KEY_F+11, "F11" },
+  { MP_KEY_F+12, "F12" },
+  { MP_KEY_KP0, "KP0" },
+  { MP_KEY_KP1, "KP1" },
+  { MP_KEY_KP2, "KP2" },
+  { MP_KEY_KP3, "KP3" },
+  { MP_KEY_KP4, "KP4" },
+  { MP_KEY_KP5, "KP5" },
+  { MP_KEY_KP6, "KP6" },
+  { MP_KEY_KP7, "KP7" },
+  { MP_KEY_KP8, "KP8" },
+  { MP_KEY_KP9, "KP9" },
+  { MP_KEY_KPDEL, "KP_DEL" },
+  { MP_KEY_KPDEC, "KP_DEC" },
+  { MP_KEY_KPINS, "KP_INS" },
+  { MP_KEY_KPENTER, "KP_ENTER" },
+  { MP_MOUSE_BTN0, "MOUSE_BTN0" },
+  { MP_MOUSE_BTN1, "MOUSE_BTN1" },
+  { MP_MOUSE_BTN2, "MOUSE_BTN2" },
+  { MP_MOUSE_BTN3, "MOUSE_BTN3" },
+  { MP_MOUSE_BTN4, "MOUSE_BTN4" },
+  { MP_MOUSE_BTN5, "MOUSE_BTN5" },
+  { MP_MOUSE_BTN6, "MOUSE_BTN6" },
+  { MP_MOUSE_BTN7, "MOUSE_BTN7" },
+  { MP_MOUSE_BTN8, "MOUSE_BTN8" },
+  { MP_MOUSE_BTN9, "MOUSE_BTN9" },
+  { MP_MOUSE_BTN10, "MOUSE_BTN10" },
+  { MP_MOUSE_BTN11, "MOUSE_BTN11" },
+  { MP_MOUSE_BTN12, "MOUSE_BTN12" },
+  { MP_MOUSE_BTN13, "MOUSE_BTN13" },
+  { MP_MOUSE_BTN14, "MOUSE_BTN14" },
+  { MP_MOUSE_BTN15, "MOUSE_BTN15" },
+  { MP_MOUSE_BTN16, "MOUSE_BTN16" },
+  { MP_MOUSE_BTN17, "MOUSE_BTN17" },
+  { MP_MOUSE_BTN18, "MOUSE_BTN18" },
+  { MP_MOUSE_BTN19, "MOUSE_BTN19" },
+  { MP_MOUSE_BTN0_DBL, "MOUSE_BTN0_DBL" },
+  { MP_MOUSE_BTN1_DBL, "MOUSE_BTN1_DBL" },
+  { MP_MOUSE_BTN2_DBL, "MOUSE_BTN2_DBL" },
+  { MP_MOUSE_BTN3_DBL, "MOUSE_BTN3_DBL" },
+  { MP_MOUSE_BTN4_DBL, "MOUSE_BTN4_DBL" },
+  { MP_MOUSE_BTN5_DBL, "MOUSE_BTN5_DBL" },
+  { MP_MOUSE_BTN6_DBL, "MOUSE_BTN6_DBL" },
+  { MP_MOUSE_BTN7_DBL, "MOUSE_BTN7_DBL" },
+  { MP_MOUSE_BTN8_DBL, "MOUSE_BTN8_DBL" },
+  { MP_MOUSE_BTN9_DBL, "MOUSE_BTN9_DBL" },
+  { MP_MOUSE_BTN10_DBL, "MOUSE_BTN10_DBL" },
+  { MP_MOUSE_BTN11_DBL, "MOUSE_BTN11_DBL" },
+  { MP_MOUSE_BTN12_DBL, "MOUSE_BTN12_DBL" },
+  { MP_MOUSE_BTN13_DBL, "MOUSE_BTN13_DBL" },
+  { MP_MOUSE_BTN14_DBL, "MOUSE_BTN14_DBL" },
+  { MP_MOUSE_BTN15_DBL, "MOUSE_BTN15_DBL" },
+  { MP_MOUSE_BTN16_DBL, "MOUSE_BTN16_DBL" },
+  { MP_MOUSE_BTN17_DBL, "MOUSE_BTN17_DBL" },
+  { MP_MOUSE_BTN18_DBL, "MOUSE_BTN18_DBL" },
+  { MP_MOUSE_BTN19_DBL, "MOUSE_BTN19_DBL" },
+  { MP_JOY_AXIS1_MINUS, "JOY_UP" },
+  { MP_JOY_AXIS1_PLUS, "JOY_DOWN" },
+  { MP_JOY_AXIS0_MINUS, "JOY_LEFT" },
+  { MP_JOY_AXIS0_PLUS, "JOY_RIGHT" },
+
+  { MP_JOY_AXIS0_PLUS,  "JOY_AXIS0_PLUS" },
+  { MP_JOY_AXIS0_MINUS, "JOY_AXIS0_MINUS" },
+  { MP_JOY_AXIS1_PLUS,  "JOY_AXIS1_PLUS" },
+  { MP_JOY_AXIS1_MINUS, "JOY_AXIS1_MINUS" },
+  { MP_JOY_AXIS2_PLUS,  "JOY_AXIS2_PLUS" },
+  { MP_JOY_AXIS2_MINUS, "JOY_AXIS2_MINUS" },
+  { MP_JOY_AXIS3_PLUS,  "JOY_AXIS3_PLUS" },
+  { MP_JOY_AXIS3_MINUS, "JOY_AXIS3_MINUS" },
+  { MP_JOY_AXIS4_PLUS,  "JOY_AXIS4_PLUS" },
+  { MP_JOY_AXIS4_MINUS, "JOY_AXIS4_MINUS" },
+  { MP_JOY_AXIS5_PLUS,  "JOY_AXIS5_PLUS" },
+  { MP_JOY_AXIS5_MINUS, "JOY_AXIS5_MINUS" },
+  { MP_JOY_AXIS6_PLUS,  "JOY_AXIS6_PLUS" },
+  { MP_JOY_AXIS6_MINUS, "JOY_AXIS6_MINUS" },
+  { MP_JOY_AXIS7_PLUS,  "JOY_AXIS7_PLUS" },
+  { MP_JOY_AXIS7_MINUS, "JOY_AXIS7_MINUS" },
+  { MP_JOY_AXIS8_PLUS,  "JOY_AXIS8_PLUS" },
+  { MP_JOY_AXIS8_MINUS, "JOY_AXIS8_MINUS" },
+  { MP_JOY_AXIS9_PLUS,  "JOY_AXIS9_PLUS" },
+  { MP_JOY_AXIS9_MINUS, "JOY_AXIS9_MINUS" },
+
+  { MP_JOY_BTN0,        "JOY_BTN0" },
+  { MP_JOY_BTN1,        "JOY_BTN1" },
+  { MP_JOY_BTN2,        "JOY_BTN2" },
+  { MP_JOY_BTN3,        "JOY_BTN3" },
+  { MP_JOY_BTN4,        "JOY_BTN4" },
+  { MP_JOY_BTN5,        "JOY_BTN5" },
+  { MP_JOY_BTN6,        "JOY_BTN6" },
+  { MP_JOY_BTN7,        "JOY_BTN7" },
+  { MP_JOY_BTN8,        "JOY_BTN8" },
+  { MP_JOY_BTN9,        "JOY_BTN9" },
+
+  { MP_AR_PLAY,         "AR_PLAY" },
+  { MP_AR_PLAY_HOLD,    "AR_PLAY_HOLD" },
+  { MP_AR_CENTER,       "AR_CENTER" },
+  { MP_AR_CENTER_HOLD,  "AR_CENTER_HOLD" },
+  { MP_AR_NEXT,         "AR_NEXT" },
+  { MP_AR_NEXT_HOLD,    "AR_NEXT_HOLD" },
+  { MP_AR_PREV,         "AR_PREV" },
+  { MP_AR_PREV_HOLD,    "AR_PREV_HOLD" },
+  { MP_AR_MENU,         "AR_MENU" },
+  { MP_AR_MENU_HOLD,    "AR_MENU_HOLD" },
+  { MP_AR_VUP,          "AR_VUP" },
+  { MP_AR_VUP_HOLD,     "AR_VUP_HOLD" },
+  { MP_AR_VDOWN,        "AR_VDOWN" },
+  { MP_AR_VDOWN_HOLD,   "AR_VDOWN_HOLD" },
+
+  { MP_AXIS_UP,         "AXIS_UP" },
+  { MP_AXIS_DOWN,       "AXIS_DOWN" },
+  { MP_AXIS_LEFT,       "AXIS_LEFT" },
+  { MP_AXIS_RIGHT,      "AXIS_RIGHT" },
+
+  { MP_KEY_POWER,       "POWER" },
+  { MP_KEY_MENU,        "MENU" },
+  { MP_KEY_PLAY,        "PLAY" },
+  { MP_KEY_PAUSE,       "PAUSE" },
+  { MP_KEY_PLAYPAUSE,   "PLAYPAUSE" },
+  { MP_KEY_STOP,        "STOP" },
+  { MP_KEY_FORWARD,     "FORWARD" },
+  { MP_KEY_REWIND,      "REWIND" },
+  { MP_KEY_NEXT,        "NEXT" },
+  { MP_KEY_PREV,        "PREV" },
+  { MP_KEY_VOLUME_UP,   "VOLUME_UP" },
+  { MP_KEY_VOLUME_DOWN, "VOLUME_DOWN" },
+  { MP_KEY_MUTE,        "MUTE" },
+  { MP_KEY_HOMEPAGE,    "HOMEPAGE" },
+  { MP_KEY_WWW,         "WWW" },
+  { MP_KEY_MAIL,        "MAIL" },
+  { MP_KEY_FAVORITES,   "FAVORITES" },
+  { MP_KEY_SEARCH,      "SEARCH" },
+  { MP_KEY_SLEEP,       "SLEEP" },
+
+  // These are kept for backward compatibility
+  { MP_KEY_PAUSE,   "XF86_PAUSE" },
+  { MP_KEY_STOP,    "XF86_STOP" },
+  { MP_KEY_PREV,    "XF86_PREV" },
+  { MP_KEY_NEXT,    "XF86_NEXT" },
+
+  { MP_KEY_CLOSE_WIN,   "CLOSE_WIN" },
+  { MP_KEY_MOUSE_MOVE,  "MOUSE_MOVE" },
+  { MP_KEY_MOUSE_LEAVE, "MOUSE_LEAVE" },
+
+  { 0, NULL }
+};
+
+static const struct key_name modifier_names[] = {
+    { MP_KEY_MODIFIER_SHIFT, "Shift" },
+    { MP_KEY_MODIFIER_CTRL,  "Ctrl" },
+    { MP_KEY_MODIFIER_ALT,   "Alt" },
+    { MP_KEY_MODIFIER_META,  "Meta" },
+    { 0 }
+};
+
+int mp_input_get_key_from_name(const char *name)
+{
+    int modifiers = 0;
+    const char *p;
+    while ((p = strchr(name, '+'))) {
+        for (const struct key_name *m = modifier_names; m->name; m++)
+            if (!bstrcasecmp(bstr0(m->name),
+                             (struct bstr){(char *)name, p - name})) {
+                modifiers |= m->key;
+                goto found;
+            }
+        if (!strcmp(name, "+"))
+            return '+' + modifiers;
+        return -1;
+found:
+        name = p + 1;
+    }
+
+    struct bstr bname = bstr0(name);
+
+    struct bstr rest;
+    int code = bstr_decode_utf8(bname, &rest);
+    if (code >= 0 && rest.len == 0)
+        return code + modifiers;
+
+    if (bstr_startswith0(bname, "0x"))
+        return strtol(name, NULL, 16) + modifiers;
+
+    for (int i = 0; key_names[i].name != NULL; i++) {
+        if (strcasecmp(key_names[i].name, name) == 0)
+            return key_names[i].key + modifiers;
+    }
+
+    return -1;
+}
+
+char *mp_input_get_key_name(int key, char *ret)
+{
+    for (int i = 0; modifier_names[i].name; i++) {
+        if (modifier_names[i].key & key) {
+            ret = talloc_asprintf_append_buffer(ret, "%s+",
+                                                modifier_names[i].name);
+            key -= modifier_names[i].key;
+        }
+    }
+    for (int i = 0; key_names[i].name != NULL; i++) {
+        if (key_names[i].key == key)
+            return talloc_asprintf_append_buffer(ret, "%s", key_names[i].name);
+    }
+
+    // printable, and valid unicode range
+    if (key >= 32 && key <= 0x10FFFF)
+        return mp_append_utf8_buffer(ret, key);
+
+    // Print the hex key code
+    return talloc_asprintf_append_buffer(ret, "%#-8x", key);
+}
+
+char *mp_input_get_key_combo_name(int *keys, int max)
+{
+    char *ret = talloc_strdup(NULL, "");
+    while (max > 0) {
+        ret = mp_input_get_key_name(*keys, ret);
+        if (--max && *++keys)
+            ret = talloc_asprintf_append_buffer(ret, "-");
+        else
+            break;
+    }
+    return ret;
+}
+
+int mp_input_get_keys_from_string(char *name, int max_num_keys,
+                                  int *out_num_keys, int *keys)
+{
+    char *end, *ptr;
+    int n = 0;
+
+    ptr = name;
+    n = 0;
+    for (end = strchr(ptr, '-'); ptr != NULL; end = strchr(ptr, '-')) {
+        if (end && end[1] != '\0') {
+            if (end[1] == '-')
+                end = &end[1];
+            end[0] = '\0';
+        }
+        keys[n] = mp_input_get_key_from_name(ptr);
+        if (keys[n] < 0)
+            return 0;
+        n++;
+        if (end && end[1] != '\0' && n < max_num_keys)
+            ptr = &end[1];
+        else
+            break;
+    }
+    *out_num_keys = n;
+    return 1;
+}
+
+void mp_print_key_list(struct mp_log *out)
+{
+    mp_info(out, "\n");
+    for (int i = 0; key_names[i].name != NULL; i++)
+        mp_info(out, "%s\n", key_names[i].name);
+}