From 2ce8d264184e053d67e083ab86a2613a4a6a128e Mon Sep 17 00:00:00 2001
From: "Qiaowei Tang (Joel)" <31787718+dangjoeltang@users.noreply.github.com>
Date: Sat, 3 Jul 2021 01:31:32 -0500
Subject: [PATCH] [Keymap] Think6.5v2 keymap with working caps-lock indicator
 (#12709)

Co-authored-by: Drashna Jaelre <drashna@live.com>
---
 .../solder/keymaps/dangjoeltang/keymap.c      | 232 ++++++++++++++++++
 .../solder/keymaps/dangjoeltang/readme.md     |   9 +
 2 files changed, 241 insertions(+)
 create mode 100644 keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/keymap.c
 create mode 100644 keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/readme.md

diff --git a/keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/keymap.c b/keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/keymap.c
new file mode 100644
index 0000000000..4994fb3fa0
--- /dev/null
+++ b/keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/keymap.c
@@ -0,0 +1,232 @@
+/* Copyright 2021 Qiaowei Tang
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+
+ /*
+ * LED ranges for Think6.5v2 2U
+ * These values were derived from manual testing. Derived from keymaps/rys.
+ * ┌───────┬───────┬─────────────┬───────────────────────────────────────────┐
+ * │ 00 01 │ 02 03 │ 04 05 06 07 │ 08 09 10 11 12 13 14 15 16 17 18 19 20 21 │
+ * │ badge │ badge │    (?)      │              underglow (?)                │
+ * │  bar  │ icon  │             │                                           │
+ * └───────┴───────┴─────────────┴───────────────────────────────────────────┘
+ */
+
+// Define the LED ranges                  start, end
+#define THINK65_LED_RANGE_OFF                 0, 0
+#define THINK65_LED_RANGE_CAPS                0, 2
+#define THINK65_LED_RANGE_BADGE               0, 4
+#define THINK65_LED_RANGE_UNDERGLOW           4, 22
+#define THINK65_LED_RANGE_ALL                 0, 22
+
+// Turn the LEDs off by setting HSV to 0, 0, 0
+#define THINK65_LEDS_OFF                      0, 0, 0
+
+// Caps Lock indicator LED
+#define THINK65_LEDS_CAPS                    0, 0, 255
+
+#define THINK65_LED_STATE_OFF                 0x0 // 0b00000000
+#define THINK65_LED_STATE_CAPS                0x1 // 0b00000001
+#define THINK65_LED_STATE_BADGE               0x2 // 0b00000010
+#define THINK65_LED_STATE_CAPS_AND_BADGE      0x3 // 0b00000011
+
+// Define each LED range as a bit flag
+#define THINK65_LED_CAPS_RANGE_BIT            0
+#define THINK65_LED_BADGE_RANGE_BIT           1
+
+// Setup some keycodes to control cycling and range toggling
+enum {
+    KVM_SW1 = SAFE_RANGE,
+    KVM_SW2,
+    CYC_LED,
+    TOG_BDG
+};
+
+// setup the user EEPROM space we need
+typedef union {
+    uint8_t raw;
+    struct {
+        uint8_t current_led_state:8;
+    };
+} user_config_t;
+
+user_config_t user_config;
+
+// toggle one of the range flag bits
+void toggle_led_state(unsigned int led_range) {
+    if (led_range >= THINK65_LED_CAPS_RANGE_BIT && led_range <= THINK65_LED_BADGE_RANGE_BIT) {
+        user_config.current_led_state ^= 1 << led_range;
+    }
+}
+
+// set one of the range flag bits
+void set_led_state(unsigned int led_range) {
+    if (led_range >= THINK65_LED_CAPS_RANGE_BIT && led_range <= THINK65_LED_BADGE_RANGE_BIT) {
+        user_config.current_led_state |= 1 << led_range;
+    }
+}
+
+// clear one of the range flag bits
+void clear_led_state(unsigned int led_range) {
+    if (led_range >= THINK65_LED_CAPS_RANGE_BIT && led_range <= THINK65_LED_BADGE_RANGE_BIT) {
+        user_config.current_led_state &= ~(1 << led_range);
+    }
+}
+
+// cycle LED states: Off -> Esc -> Badge -> Underglow -> Esc+Badge -> Esc+Underglow -> Badge+Underglow -> All
+void cycle_led_state(void) {
+    switch(user_config.current_led_state) {
+        case THINK65_LED_STATE_OFF:
+            user_config.current_led_state = THINK65_LED_STATE_CAPS;
+            break;
+        case THINK65_LED_STATE_CAPS:
+            user_config.current_led_state = THINK65_LED_STATE_BADGE;
+            break;
+        case THINK65_LED_STATE_BADGE:
+            user_config.current_led_state = THINK65_LED_STATE_CAPS_AND_BADGE;
+            break;
+        case THINK65_LED_STATE_CAPS_AND_BADGE:
+            user_config.current_led_state = THINK65_LED_STATE_OFF;
+            break;
+        default:
+            break;
+    }
+}
+
+void apply_led_state(void) {
+    uint8_t h = rgblight_get_hue();
+    uint8_t s = rgblight_get_sat();
+    uint8_t v = rgblight_get_val();
+
+    // Set the RGB ranges based on the current state
+    switch(user_config.current_led_state) {
+        case THINK65_LED_STATE_OFF:
+            rgblight_sethsv_range(THINK65_LEDS_OFF,     THINK65_LED_RANGE_ALL);
+            break;
+        case THINK65_LED_STATE_CAPS:
+            rgblight_sethsv_range(THINK65_LEDS_OFF,     THINK65_LED_RANGE_BADGE);
+            rgblight_sethsv_range(THINK65_LEDS_CAPS,    THINK65_LED_RANGE_CAPS);
+            break;
+        case THINK65_LED_STATE_BADGE:
+            rgblight_sethsv_range(THINK65_LEDS_OFF,     THINK65_LED_RANGE_CAPS);
+            rgblight_sethsv_range(h, s, v,              THINK65_LED_RANGE_BADGE);
+            break;
+        case THINK65_LED_STATE_CAPS_AND_BADGE:
+            rgblight_sethsv_range(h, s, v,              THINK65_LED_RANGE_BADGE);
+            rgblight_sethsv_range(THINK65_LEDS_CAPS,    THINK65_LED_RANGE_CAPS);
+            break;
+        default:
+            break;
+    }
+}
+
+void keyboard_post_init_user(void) {
+    user_config.raw = eeconfig_read_user();
+
+    if (user_config.current_led_state >= THINK65_LED_STATE_OFF && user_config.current_led_state <= THINK65_LED_STATE_CAPS_AND_BADGE) {
+        // If the current state read from user EEPROM is valid, apply it
+        apply_led_state();
+    } else {
+        // Setup a new default state of off
+        user_config.current_led_state = THINK65_LED_STATE_OFF;
+        apply_led_state();
+        eeconfig_update_user(user_config.raw);
+    }
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+        case KVM_SW1:
+            if (record->event.pressed) {
+                SEND_STRING(SS_TAP(X_RCTL) SS_TAP(X_RCTL) "1");
+            } else {}
+            break;
+        case KVM_SW2:
+            if(record->event.pressed) {
+                SEND_STRING(SS_TAP(X_RCTL) SS_TAP(X_RCTL) "2");
+            } else {}
+            break;
+        case CYC_LED:
+            if (record->event.pressed) {
+                cycle_led_state();
+                apply_led_state();
+                eeconfig_update_user(user_config.raw);
+            }
+            break;
+        case TOG_BDG:
+            if (record->event.pressed) {
+                toggle_led_state(THINK65_LED_BADGE_RANGE_BIT);
+                apply_led_state();
+                eeconfig_update_user(user_config.raw);
+            }
+            break;
+        case KC_CAPS:
+            if (!record->event.pressed) {
+                // connect capslock LED control to the badge LEDs
+                host_keyboard_led_state().caps_lock ? set_led_state(THINK65_LED_CAPS_RANGE_BIT) : clear_led_state(THINK65_LED_CAPS_RANGE_BIT);
+                apply_led_state();
+                eeconfig_update_user(user_config.raw);
+            }
+            break;
+    }
+    return true;
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base Layer
+    * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┬───┐
+    * │Esc│! 1│@ 2│# 3│$ 4│% 5│^ 6│& 7│* 8│( 9│) 0│_ -│+ =│ Bckspc│` ~│
+    * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┼───┤
+    * │Tab  │ Q │ W │ E │ R │ T │ Y │ U │ I │ O │ P │{ [│} ]│|   \│Del│
+    * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┼───┤
+    * │HyCaps│ A │ S │ D │ F │ G │ H │ J │ K │ L │: ;│" '│   Enter│   │
+    * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────┬───┤   │
+    * │Shift   │ Z │ X │ C │ V │ B │ N │ M │< ,│> .│? /│ Shift│ Up│   │
+    * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬─┬───┼───┼───┤
+    * │Ctrl│ Opt│ Cmd│          Space         │Cmd │FnPy│ │Lef│Dow│Rig│
+    * └────┴────┴────┴────────────────────────┴────┴────┴─┴───┴───┴───┘
+    */
+    [0] = LAYOUT_65_ansi_blocker(
+        KC_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_GRV,
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS, KC_DEL,
+        KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,           XXXXXXX,
+        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,          KC_UP,   XXXXXXX,
+        KC_LCTL, KC_LGUI, KC_LALT,                      KC_SPC,                          MO(1),   KC_RCTL,          KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+    /*
+     * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬────────┬───┐
+     * │RST│ F1│ F2│ F3│ F4│ F5│ F6│ F7│ F8│ F9│F10│F11│F12│        │SW1│
+     * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬──────┼───┤
+     * │ TOG │PLN│MOD│HU+│HU-│SA+│SA-│VA+│VA-│   │   │Hom│End│      │SW2│
+     * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴──────┼───┤
+     * │      │CYC│BDG│UGL│CAP│   │   │   │   │   │   │   │         │   │
+     * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────┬────┤   │
+     * │        │   │   │   │   │   │   │   │   │   │   │      │Vol+│   │
+     * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬─┬───┼────┼───┤
+     * │    │    │    │                        │    │    │ │   │Vol-│   │
+     * └────┴────┴────┴────────────────────────┴────┴────┴─┴───┴────┴───┘
+     */
+    [1] = LAYOUT_65_ansi_blocker(
+        RESET,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, KVM_SW1,
+        TOG_BDG, RGB_M_P, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, _______, _______, KC_HOME, KC_END,  _______, KVM_SW2,
+        _______, CYC_LED, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          KC_VOLU, _______,
+        _______, _______, _______,                      _______,                         _______, _______,          _______, KC_VOLD, _______
+    ),
+
+};
+
diff --git a/keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/readme.md b/keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/readme.md
new file mode 100644
index 0000000000..520e7e0752
--- /dev/null
+++ b/keyboards/gray_studio/think65/solder/keymaps/dangjoeltang/readme.md
@@ -0,0 +1,9 @@
+# dangjoeltang's Think6.5v2 keymap
+
+My personal keymap for the Think6.5v2. Using the `LAYOUT_65_ansi_blocker` LAYOUT for a 2U blocker version. I added functionality to enable the Caps-lock indicator LED above the badge. This functionality shipped with the original board; however, for those who reflash their boards using the default `gray_studio/think65/solder` keymaps that functionality disappeared.
+
+## [Base Layer](http://www.keyboard-layout-editor.com/#/gists/9c6a905a643b77249958f28662348f53)
+![Base Layer](https://imgur.com/Gyim08a)
+
+## [Function Layer](http://www.keyboard-layout-editor.com/#/gists/1c061d3664ea5caf5cb64c759339278d)
+![Function Layer](https://imgur.com/H2Yqnv3)