[Keymap] Jonavin userspace encoder alt tab scrolling (#14979)

Co-authored-by: Jonavin <=>

1 files changed, 219 insertions, 0 deletions

diff --git a/users/jonavin/jonavin_encoder.c b/users/jonavin/jonavin_encoder.c
new file mode 100644
index 0000000000..387ed5f430
--- /dev/null
+++ b/users/jonavin/jonavin_encoder.c
@@ -0,0 +1,219 @@
+
+/* Copyright 2021 Jonavin Eng @Jonavin
+
+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
+#include "jonavin.h"
+
+#ifdef ENCODER_ENABLE
+    #ifndef DYNAMIC_KEYMAP_LAYER_COUNT
+        #define DYNAMIC_KEYMAP_LAYER_COUNT 4  //default in case this is not already defined elsewhere
+    #endif
+    #ifndef ENCODER_DEFAULTACTIONS_INDEX
+        #define ENCODER_DEFAULTACTIONS_INDEX 0  // can select encoder index if there are multiple encoders
+    #endif
+
+    void encoder_action_volume(bool clockwise) {
+        if (clockwise)
+            tap_code(KC_VOLU);
+        else
+            tap_code(KC_VOLD);
+    }
+
+    void encoder_action_mediatrack(bool clockwise) {
+        if (clockwise)
+            tap_code(KC_MEDIA_NEXT_TRACK);
+        else
+            tap_code(KC_MEDIA_PREV_TRACK);
+    }
+
+    void encoder_action_navword(bool clockwise) {
+        if (clockwise)
+            tap_code16(LCTL(KC_RGHT));
+        else
+            tap_code16(LCTL(KC_LEFT));
+    }
+
+    void encoder_action_navpage(bool clockwise) {
+        if (clockwise)
+            tap_code16(KC_PGUP);
+        else
+            tap_code16(KC_PGDN);
+    }
+
+    // LAYER HANDLING
+    uint8_t selected_layer = 0;
+
+    uint8_t get_selected_layer(void) {
+        return selected_layer;
+    }
+
+    void encoder_action_layerchange(bool clockwise) {
+        if (clockwise) {
+            if(selected_layer  < (DYNAMIC_KEYMAP_LAYER_COUNT - 1)) {
+                selected_layer ++;
+                layer_move(selected_layer);
+            }
+        } else {
+            if (selected_layer  > 0) {
+                selected_layer --;
+                layer_move(selected_layer);
+            }
+        }
+    }
+
+    #ifdef RGB_MATRIX_ENABLE
+        void encoder_action_rgb_speed(bool clockwise) {
+            if (clockwise)
+                rgb_matrix_increase_speed_noeeprom();
+            else
+                rgb_matrix_decrease_speed_noeeprom();
+        }
+        void encoder_action_rgb_hue(bool clockwise) {
+            if (clockwise)
+                rgb_matrix_increase_hue_noeeprom();
+            else
+                rgb_matrix_decrease_hue_noeeprom();
+        }
+        void encoder_action_rgb_saturation(bool clockwise) {
+            if (clockwise)
+                rgb_matrix_increase_sat_noeeprom();
+            else
+                rgb_matrix_decrease_sat_noeeprom();
+        }
+        void encoder_action_rgb_brightness(bool clockwise) {
+            if (clockwise)
+                rgb_matrix_increase_val_noeeprom();
+            else
+                rgb_matrix_decrease_val_noeeprom();
+        }
+        void encoder_action_rgb_mode(bool clockwise) {
+            if (clockwise)
+                rgb_matrix_step_noeeprom();
+            else
+                rgb_matrix_step_reverse_noeeprom();
+        }
+    #elif defined(RGBLIGHT_ENABLE)
+        void encoder_action_rgb_speed(bool clockwise) {
+            if (clockwise)
+                rgblight_increase_speed_noeeprom();
+            else
+                rgblight_decrease_speed_noeeprom();
+        }
+        void encoder_action_rgb_hue(bool clockwise) {
+            if (clockwise)
+                rgblight_increase_hue_noeeprom();
+            else
+                rgblight_decrease_hue_noeeprom();
+        }
+        void encoder_action_rgb_saturation(bool clockwise) {
+            if (clockwise)
+                rgblight_increase_sat_noeeprom();
+            else
+                rgblight_decrease_sat_noeeprom();
+        }
+        void encoder_action_rgb_brightness(bool clockwise) {
+            if (clockwise)
+                rgblight_increase_val_noeeprom();
+            else
+                rgblight_decrease_val_noeeprom();
+        }
+        void encoder_action_rgb_mode(bool clockwise) {
+            if (clockwise)
+                rgblight_step_noeeprom();
+            else
+                rgblight_step_reverse_noeeprom();
+        }
+    #endif // RGB_MATRIX_ENABLE || RGBLIGHT_ENABLE
+
+    #ifdef ALTTAB_SCROLL_ENABLE
+        bool is_tab_scrolling = false;
+        bool is_alt_tab_active = false;
+        uint16_t alt_tab_timer = 0;
+
+
+        void encoder_toggle_alttabscroll(void) {
+            is_tab_scrolling = !is_tab_scrolling;
+        }
+
+        void encoder_action_alttabscroll(bool clockwise) {
+            if (clockwise) {
+                if (!is_alt_tab_active) {
+                    is_alt_tab_active = true;
+                    register_mods(MOD_RALT);
+                }
+                tap_code16(KC_TAB);
+            }
+            else {
+                tap_code16(S(KC_TAB));
+            }
+            alt_tab_timer = timer_read();
+        }
+
+        void encoder_tick_alttabscroll(void) {
+            if (is_alt_tab_active) {
+                if (timer_elapsed(alt_tab_timer) > 600) {
+                    unregister_mods(MOD_RALT);
+                    is_alt_tab_active = false;
+                }
+            }
+        }
+    #endif // ALTTAB_SCROLL_ENABLE
+#endif // ENCODER_ENABLE
+
+#if defined(ENCODER_ENABLE) && defined(ENCODER_DEFAULTACTIONS_ENABLE)       // Encoder Functionality
+
+    __attribute__((weak)) bool encoder_update_keymap(uint8_t index, bool clockwise) { return true; }
+
+    bool encoder_update_user(uint8_t index, bool clockwise) {
+        if (!encoder_update_keymap(index, clockwise)) { return false; }
+        if (index != ENCODER_DEFAULTACTIONS_INDEX) {return true;}  // exit if the index doesn't match
+        uint8_t mods_state = get_mods();
+        if (mods_state & MOD_BIT(KC_LSFT) ) { // If you are holding L shift, encoder changes layers
+            encoder_action_layerchange(clockwise);
+        } else if (mods_state & MOD_BIT(KC_RSFT) ) { // If you are holding R shift, Page up/dn
+            unregister_mods(MOD_BIT(KC_RSFT));
+            encoder_action_navpage(clockwise);
+            register_mods(MOD_BIT(KC_RSFT));
+        } else if (mods_state & MOD_BIT(KC_LCTL)) {  // if holding Left Ctrl, navigate next/prev word
+            encoder_action_navword(clockwise);
+        } else if (mods_state & MOD_BIT(KC_LALT)) {  // if holding Left Alt, change media next/prev track
+            encoder_action_mediatrack(clockwise);
+        } else  {
+            switch(get_highest_layer(layer_state)) {
+            case _FN1:
+                #ifdef IDLE_TIMEOUT_ENABLE
+                    timeout_update_threshold(clockwise);
+                #endif
+                break;
+            default:
+                #ifdef ALTTAB_SCROLL_ENABLE
+                    if (is_tab_scrolling)
+                        encoder_action_alttabscroll(clockwise);
+                    else
+                        encoder_action_volume(clockwise);       // Otherwise it just changes volume
+                #else
+                    encoder_action_volume(clockwise);       // Otherwise it just changes volume
+                #endif // ALTTAB_SCROLL_ENABLE
+                break;
+            }
+        }
+        return false;
+    }
+#endif // ENCODER_ENABLE
+
+