[Keyboard] Support for dumbpad_v3x (#18663)

* feat: support for dumbpad_v3x

- all credit goes to
- ref: https://github.com/qmk/qmk_firmware/pull/16285

- included comment from noroadsleft
- ref: https://github.com/qmk/qmk_firmware/pull/16285#pullrequestreview-1038213899

* fix: add newline on every .c, .h, .mk files end

* feat: response to change https://github.com/qmk/qmk_firmware/pull/18663#discussion_r991515821

* feat: response to change https://github.com/qmk/qmk_firmware/pull/18663#discussion_r991516192

1 files changed, 104 insertions, 0 deletions

diff --git a/keyboards/dumbpad/v3x/keymaps/deveth0/keymap.c b/keyboards/dumbpad/v3x/keymaps/deveth0/keymap.c
new file mode 100644
index 0000000000..b95e6270e8
--- /dev/null
+++ b/keyboards/dumbpad/v3x/keymaps/deveth0/keymap.c
@@ -0,0 +1,104 @@
+/*
+Copyright 2022 imchipwood && deveth0
+
+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
+
+#define MUTE_HOLD_DELAY 400
+static uint16_t mute_hold_timer = 0;
+
+enum custom_keycodes {
+    MUTE_TEAMS = SAFE_RANGE,
+};
+
+// clang-format off
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /*
+            BASE LAYER - Media Controls
+    /------------------------------------------------------------------------------------`
+    |             | Media Prev         |    Media Pause    |    Media Next    |         |
+    |             |--------------------|-------------------|------------------|---------|
+    |             |    Teams - Mute    |                   |                  |         |
+    |             |--------------------|-------------------|------------------|---------|
+    |             |                    |                   |                  |         |
+    |-------------|--------------------|-------------------|------------------|---------|
+    |    Mute     |  TT(1)             |                   |                  |  Enter  |
+    \------------------------------------------------------------------------------------'
+    */
+    [0] = LAYOUT(
+                    KC_MPRV,    KC_MPLY,  KC_MNXT,    KC_NO,
+                    KC_NO,      KC_NO,    KC_NO,      KC_NO,
+                    MUTE_TEAMS, KC_NO,    KC_NO,      KC_NO,
+        KC_MUTE,    TT(1),      KC_NO,    KC_NO,      KC_NO
+    ),
+    /*
+            SUB LAYER  - RGB controls, Modes on encoder
+    /-----------------------------------------------------`
+    |             | On/Off  | Bright- | Bright+ |  Reset  |
+    |             |---------|---------|---------|---------|
+    |             |         | Hue-    | Hue+    |         |
+    |             |---------|---------|---------|---------|
+    |             |         | Sat-    | Sat+    |         |
+    |-------------|---------|---------|---------|---------|
+    |             |  TT(1)  | Effect- | Effect+ |         |
+    \-----------------------------------------------------'
+    */
+    [1] = LAYOUT(
+                    RGB_TOG,    RGB_VAD,     RGB_VAI,      RESET,
+                    KC_NO,      RGB_HUD,     RGB_HUI,      KC_NO,
+                    KC_NO,      RGB_SAD,     RGB_SAI,      KC_NO,
+        KC_NO,      _______,    RGB_SPD,     RGB_SPI,      KC_NO
+    ),
+};
+// clang-format on
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    // props to https://www.reddit.com/r/olkb/comments/oewbr2/comment/h49z38r
+    switch (keycode) {
+        case MUTE_TEAMS:
+            if (record->event.pressed) {                               // when keycode MUTE_TEAMS is pressed
+                mute_hold_timer = timer_read();                        // mark the time the key was pressed
+                tap_code16(LCTL(LSFT(KC_M)));                          // tap Ctrl + Shift + M (mute shortcut)
+            } else {                                                   // when keycode MUTE_TEAMS is released
+                if (timer_elapsed(mute_hold_timer) > MUTE_HOLD_DELAY)  // if held longer than MUTE_HOLD_DELAY
+                    tap_code16(LCTL(LSFT(KC_M)));                      // tap the mute shortcut again
+            }                                                          // otherwise do nothing
+            break;
+    }
+    return true;
+};
+
+bool encoder_update_user(uint8_t index, bool clockwise) {
+    switch (get_highest_layer(layer_state)) {
+        case 0:
+            // main layer, volume
+            if (clockwise) {
+                tap_code(KC_VOLU);
+            } else {
+                tap_code(KC_VOLD);
+            }
+            break;
+        default:
+            // rgb control layer, effects
+            if (clockwise) {
+                rgblight_step();
+            } else {
+                rgblight_step_reverse();
+            }
+            break;
+    }
+    return true;
+}