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feat(display): Add modifiers widget
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caksoylar committed Nov 30, 2022
1 parent 6550c04 commit 6207bad
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Showing 5 changed files with 104 additions and 1 deletion.
18 changes: 18 additions & 0 deletions app/include/zmk/display/widgets/mods_status.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/

#pragma once

#include <lvgl.h>
#include <kernel.h>

struct zmk_widget_mods_status {
sys_snode_t node;
lv_obj_t *obj;
};

int zmk_widget_mods_status_init(struct zmk_widget_mods_status *widget, lv_obj_t *parent);
lv_obj_t *zmk_widget_mods_status_obj(struct zmk_widget_mods_status *widget);
14 changes: 14 additions & 0 deletions app/src/display/status_screen.c
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
#include <zmk/display/widgets/battery_status.h>
#include <zmk/display/widgets/layer_status.h>
#include <zmk/display/widgets/wpm_status.h>
#include <zmk/display/widgets/mods_status.h>
#include <zmk/display/status_screen.h>

#include <logging/log.h>
Expand All @@ -34,6 +35,10 @@ static struct zmk_widget_layer_status layer_status_widget;
static struct zmk_widget_wpm_status wpm_status_widget;
#endif

#if IS_ENABLED(CONFIG_ZMK_WIDGET_MODS_STATUS)
static struct zmk_widget_mods_status mods_status_widget;
#endif

lv_obj_t *zmk_display_status_screen() {
lv_obj_t *screen;

Expand Down Expand Up @@ -71,5 +76,14 @@ lv_obj_t *zmk_display_status_screen() {
lv_obj_align(zmk_widget_wpm_status_obj(&wpm_status_widget), NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0,
0);
#endif

#if IS_ENABLED(CONFIG_ZMK_WIDGET_MODS_STATUS)
zmk_widget_mods_status_init(&mods_status_widget, screen);
lv_obj_set_style_local_text_font(zmk_widget_mods_status_obj(&mods_status_widget),
LV_LABEL_PART_MAIN, LV_STATE_DEFAULT,
lv_theme_get_font_small());
lv_obj_align(zmk_widget_mods_status_obj(&mods_status_widget), NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0,
0);
#endif
return screen;
}
1 change: 1 addition & 0 deletions app/src/display/widgets/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -6,3 +6,4 @@ target_sources_ifdef(CONFIG_ZMK_WIDGET_OUTPUT_STATUS app PRIVATE output_status.c
target_sources_ifdef(CONFIG_ZMK_WIDGET_PERIPHERAL_STATUS app PRIVATE peripheral_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_LAYER_STATUS app PRIVATE layer_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_WPM_STATUS app PRIVATE wpm_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_MODS_STATUS app PRIVATE mods_status.c)
7 changes: 6 additions & 1 deletion app/src/display/widgets/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -26,11 +26,16 @@ config ZMK_WIDGET_PERIPHERAL_STATUS
depends on BT && ZMK_SPLIT_BLE && !ZMK_SPLIT_ROLE_CENTRAL
default y if BT && ZMK_SPLIT_BLE && !ZMK_SPLIT_ROLE_CENTRAL
select LVGL_USE_LABEL

config ZMK_WIDGET_WPM_STATUS
bool "Widget for displaying typed words per minute"
depends on !ZMK_SPLIT || ZMK_SPLIT_ROLE_CENTRAL
select LVGL_USE_LABEL
select ZMK_WPM

config ZMK_WIDGET_MODS_STATUS
bool "Widget for displaying active modifiers"
depends on !ZMK_SPLIT || ZMK_SPLIT_ROLE_CENTRAL
select LVGL_USE_LABEL

endmenu
65 changes: 65 additions & 0 deletions app/src/display/widgets/mods_status.c
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@@ -0,0 +1,65 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/

#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);

#include <zmk/display.h>
#include <zmk/display/widgets/mods_status.h>
#include <zmk/events/keycode_state_changed.h>
#include <zmk/event_manager.h>
#include <zmk/endpoints.h>
#include <zmk/hid.h>

static sys_slist_t widgets = SYS_SLIST_STATIC_INIT(&widgets);

struct mods_status_state {
uint8_t mods;
};

struct mods_status_state mods_status_get_state(const zmk_event_t *eh) {
return (struct mods_status_state){.mods = zmk_hid_get_explicit_mods()};
};

void set_mods_symbol(lv_obj_t *label, struct mods_status_state state) {
char text[5] = {};

LOG_DBG("mods changed to %i", state.mods);
if (state.mods & (MOD_LCTL | MOD_RCTL))
strcat(text, "C");
if (state.mods & (MOD_LSFT | MOD_RSFT))
strcat(text, "S");
if (state.mods & (MOD_LALT | MOD_RALT))
strcat(text, "A");
if (state.mods & (MOD_LGUI | MOD_RGUI))
strcat(text, "G");

lv_label_set_text(label, text);
lv_obj_align(label, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, -1, 0);
}

void mods_status_update_cb(struct mods_status_state state) {
struct zmk_widget_mods_status *widget;
SYS_SLIST_FOR_EACH_CONTAINER(&widgets, widget, node) { set_mods_symbol(widget->obj, state); }
}

ZMK_DISPLAY_WIDGET_LISTENER(widget_mods_status, struct mods_status_state, mods_status_update_cb,
mods_status_get_state)
ZMK_SUBSCRIPTION(widget_mods_status, zmk_keycode_state_changed);

int zmk_widget_mods_status_init(struct zmk_widget_mods_status *widget, lv_obj_t *parent) {
widget->obj = lv_label_create(parent, NULL);
lv_label_set_align(widget->obj, LV_LABEL_ALIGN_RIGHT);

lv_obj_set_size(widget->obj, 40, 15);

sys_slist_append(&widgets, &widget->node);

widget_mods_status_init();
return 0;
}

lv_obj_t *zmk_widget_mods_status_obj(struct zmk_widget_mods_status *widget) { return widget->obj; }

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