firmware/src/graphics/Screen.cpp

/*
BaseUI

Developed and Maintained By:
- Ronald Garcia (HarukiToreda) – Lead development and implementation.
- JasonP (Xaositek)  – Screen layout and icon design, UI improvements and testing.
- TonyG (Tropho) – Project management, structural planning, and testing

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 3 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 "Screen.h"
#include "PowerMon.h"
#include "Throttle.h"
#include "configuration.h"
#if HAS_SCREEN
#include <OLEDDisplay.h>

#include "DisplayFormatters.h"
#include "draw/DebugRenderer.h"
#include "draw/MessageRenderer.h"
#include "draw/NodeListRenderer.h"
#include "draw/NotificationRenderer.h"
#include "draw/UIRenderer.h"
#if !MESHTASTIC_EXCLUDE_GPS
#include "GPS.h"
#endif
#include "ButtonThread.h"
#include "FSCommon.h"
#include "MeshService.h"
#include "NodeDB.h"
#include "RadioLibInterface.h"
#include "error.h"
#include "gps/GeoCoord.h"
#include "gps/RTC.h"
#include "graphics/ScreenFonts.h"
#include "graphics/SharedUIDisplay.h"
#include "graphics/emotes.h"
#include "graphics/images.h"
#include "input/ScanAndSelect.h"
#include "input/TouchScreenImpl1.h"
#include "main.h"
#include "mesh-pb-constants.h"
#include "mesh/Channels.h"
#include "mesh/generated/meshtastic/deviceonly.pb.h"
#include "meshUtils.h"
#include "modules/AdminModule.h"
#include "modules/ExternalNotificationModule.h"
#include "modules/TextMessageModule.h"
#include "modules/WaypointModule.h"
#include "sleep.h"
#include "target_specific.h"

using graphics::Emote;
using graphics::emotes;
using graphics::numEmotes;
using graphics::NodeListRenderer::drawDistanceScreen;
using graphics::NodeListRenderer::drawDynamicNodeListScreen;
using graphics::NodeListRenderer::drawHopSignalScreen;
using graphics::NodeListRenderer::drawLastHeardScreen;
using graphics::NodeListRenderer::drawNodeListWithCompasses;

#if HAS_WIFI && !defined(ARCH_PORTDUINO)
#include "mesh/wifi/WiFiAPClient.h"
#endif

#ifdef ARCH_ESP32
#endif

#if ARCH_PORTDUINO
#include "modules/StoreForwardModule.h"
#include "platform/portduino/PortduinoGlue.h"
#endif

using namespace meshtastic; /** @todo remove */

String alertBannerMessage = "";
uint32_t alertBannerUntil = 0;

namespace graphics
{

// This means the *visible* area (sh1106 can address 132, but shows 128 for example)
#define IDLE_FRAMERATE 1 // in fps

// DEBUG
#define NUM_EXTRA_FRAMES 3 // text message and debug frame
// if defined a pixel will blink to show redraws
// #define SHOW_REDRAWS

// A text message frame + debug frame + all the node infos
FrameCallback *normalFrames;
static uint32_t targetFramerate = IDLE_FRAMERATE;
static String alertBannerMessage;
static uint32_t alertBannerUntil = 0;

uint32_t logo_timeout = 5000; // 4 seconds for EACH logo

uint32_t hours_in_month = 730;

// This image definition is here instead of images.h because it's modified dynamically by the drawBattery function
uint8_t imgBattery[16] = {0xFF, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0xE7, 0x3C};

// Threshold values for the GPS lock accuracy bar display
uint32_t dopThresholds[5] = {2000, 1000, 500, 200, 100};

// At some point, we're going to ask all of the modules if they would like to display a screen frame
// we'll need to hold onto pointers for the modules that can draw a frame.
std::vector<MeshModule *> moduleFrames;

// Stores the last 4 of our hardware ID, to make finding the device for pairing easier
// FIXME: Needs refactoring and getMacAddr needs to be moved to a utility class
extern "C" {
char ourId[5];
}

// vector where symbols (string) are displayed in bottom corner of display.
std::vector<std::string> functionSymbol;
// string displayed in bottom right corner of display. Created from elements in functionSymbol vector
std::string functionSymbolString = "";

#if HAS_GPS
// GeoCoord object for the screen
GeoCoord geoCoord;
#endif

#ifdef SHOW_REDRAWS
static bool heartbeat = false;
#endif

#include "graphics/ScreenFonts.h"
#include <Throttle.h>

// Usage: int stringWidth = formatDateTime(datetimeStr, sizeof(datetimeStr), rtc_sec, display);
// End Functions to write date/time to the screen

extern bool hasUnreadMessage;

void Screen::drawFrameText(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y, const char *message)
{
    uint16_t x_offset = display->width() / 2;
    display->setTextAlignment(TEXT_ALIGN_CENTER);
    display->setFont(FONT_MEDIUM);
    display->drawString(x_offset + x, 26 + y, message);
}
// ==============================
// Overlay Alert Banner Renderer
// ==============================
// Displays a temporary centered banner message (e.g., warning, status, etc.)
// The banner appears in the center of the screen and disappears after the specified duration

// Called to trigger a banner with custom message and duration
void Screen::showOverlayBanner(const String &message, uint32_t durationMs)
{
    // Store the message and set the expiration timestamp
    alertBannerMessage = message;
    alertBannerUntil = (durationMs == 0) ? 0 : millis() + durationMs;
}

// draw overlay in bottom right corner of screen to show when notifications are muted or modifier key is active
static void drawFunctionOverlay(OLEDDisplay *display, OLEDDisplayUiState *state)
{
    // LOG_DEBUG("Draw function overlay");
    if (functionSymbol.begin() != functionSymbol.end()) {
        char buf[64];
        display->setFont(FONT_SMALL);
        snprintf(buf, sizeof(buf), "%s", functionSymbolString.c_str());
        display->drawString(SCREEN_WIDTH - display->getStringWidth(buf), SCREEN_HEIGHT - FONT_HEIGHT_SMALL, buf);
    }
}

static void drawModuleFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
{
    uint8_t module_frame;
    // there's a little but in the UI transition code
    // where it invokes the function at the correct offset
    // in the array of "drawScreen" functions; however,
    // the passed-state doesn't quite reflect the "current"
    // screen, so we have to detect it.
    if (state->frameState == IN_TRANSITION && state->transitionFrameRelationship == TransitionRelationship_INCOMING) {
        // if we're transitioning from the end of the frame list back around to the first
        // frame, then we want this to be `0`
        module_frame = state->transitionFrameTarget;
    } else {
        // otherwise, just display the module frame that's aligned with the current frame
        module_frame = state->currentFrame;
        // LOG_DEBUG("Screen is not in transition.  Frame: %d", module_frame);
    }
    // LOG_DEBUG("Draw Module Frame %d", module_frame);
    MeshModule &pi = *moduleFrames.at(module_frame);
    pi.drawFrame(display, state, x, y);
}

// Ignore messages originating from phone (from the current node 0x0) unless range test or store and forward module are enabled
static bool shouldDrawMessage(const meshtastic_MeshPacket *packet)
{
    return packet->from != 0 && !moduleConfig.store_forward.enabled;
}

#if defined(DISPLAY_CLOCK_FRAME)

void Screen::drawWatchFaceToggleButton(OLEDDisplay *display, int16_t x, int16_t y, bool digitalMode, float scale)
{
    uint16_t segmentWidth = SEGMENT_WIDTH * scale;
    uint16_t segmentHeight = SEGMENT_HEIGHT * scale;

    if (digitalMode) {
        uint16_t radius = (segmentWidth + (segmentHeight * 2) + 4) / 2;
        uint16_t centerX = (x + segmentHeight + 2) + (radius / 2);
        uint16_t centerY = (y + segmentHeight + 2) + (radius / 2);

        display->drawCircle(centerX, centerY, radius);
        display->drawCircle(centerX, centerY, radius + 1);
        display->drawLine(centerX, centerY, centerX, centerY - radius + 3);
        display->drawLine(centerX, centerY, centerX + radius - 3, centerY);
    } else {
        uint16_t segmentOneX = x + segmentHeight + 2;
        uint16_t segmentOneY = y;

        uint16_t segmentTwoX = segmentOneX + segmentWidth + 2;
        uint16_t segmentTwoY = segmentOneY + segmentHeight + 2;

        uint16_t segmentThreeX = segmentOneX;
        uint16_t segmentThreeY = segmentTwoY + segmentWidth + 2;

        uint16_t segmentFourX = x;
        uint16_t segmentFourY = y + segmentHeight + 2;

        drawHorizontalSegment(display, segmentOneX, segmentOneY, segmentWidth, segmentHeight);
        drawVerticalSegment(display, segmentTwoX, segmentTwoY, segmentWidth, segmentHeight);
        drawHorizontalSegment(display, segmentThreeX, segmentThreeY, segmentWidth, segmentHeight);
        drawVerticalSegment(display, segmentFourX, segmentFourY, segmentWidth, segmentHeight);
    }
}

// Draw a digital clock
void Screen::drawDigitalClockFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
{
    display->setTextAlignment(TEXT_ALIGN_LEFT);

    drawBattery(display, x, y + 7, imgBattery, powerStatus);

    if (powerStatus->getHasBattery()) {
        String batteryPercent = String(powerStatus->getBatteryChargePercent()) + "%";

        display->setFont(FONT_SMALL);

        display->drawString(x + 20, y + 2, batteryPercent);
    }

    if (nimbleBluetooth && nimbleBluetooth->isConnected()) {
        drawBluetoothConnectedIcon(display, display->getWidth() - 18, y + 2);
    }

    drawWatchFaceToggleButton(display, display->getWidth() - 36, display->getHeight() - 36, screen->digitalWatchFace, 1);

    display->setColor(OLEDDISPLAY_COLOR::WHITE);

    uint32_t rtc_sec = getValidTime(RTCQuality::RTCQualityDevice, true); // Display local timezone
    if (rtc_sec > 0) {
        long hms = rtc_sec % SEC_PER_DAY;
        hms = (hms + SEC_PER_DAY) % SEC_PER_DAY;

        int hour = hms / SEC_PER_HOUR;
        int minute = (hms % SEC_PER_HOUR) / SEC_PER_MIN;
        int second = (hms % SEC_PER_HOUR) % SEC_PER_MIN; // or hms % SEC_PER_MIN

        hour = hour > 12 ? hour - 12 : hour;

        if (hour == 0) {
            hour = 12;
        }

        // hours string
        String hourString = String(hour);

        // minutes string
        String minuteString = minute < 10 ? "0" + String(minute) : String(minute);

        String timeString = hourString + ":" + minuteString;

        // seconds string
        String secondString = second < 10 ? "0" + String(second) : String(second);

        float scale = 1.5;

        uint16_t segmentWidth = SEGMENT_WIDTH * scale;
        uint16_t segmentHeight = SEGMENT_HEIGHT * scale;

        // calculate hours:minutes string width
        uint16_t timeStringWidth = timeString.length() * 5;

        for (uint8_t i = 0; i < timeString.length(); i++) {
            String character = String(timeString[i]);

            if (character == ":") {
                timeStringWidth += segmentHeight;
            } else {
                timeStringWidth += segmentWidth + (segmentHeight * 2) + 4;
            }
        }

        // calculate seconds string width
        uint16_t secondStringWidth = (secondString.length() * 12) + 4;

        // sum these to get total string width
        uint16_t totalWidth = timeStringWidth + secondStringWidth;

        uint16_t hourMinuteTextX = (display->getWidth() / 2) - (totalWidth / 2);

        uint16_t startingHourMinuteTextX = hourMinuteTextX;

        uint16_t hourMinuteTextY = (display->getHeight() / 2) - (((segmentWidth * 2) + (segmentHeight * 3) + 8) / 2);

        // iterate over characters in hours:minutes string and draw segmented characters
        for (uint8_t i = 0; i < timeString.length(); i++) {
            String character = String(timeString[i]);

            if (character == ":") {
                drawSegmentedDisplayColon(display, hourMinuteTextX, hourMinuteTextY, scale);

                hourMinuteTextX += segmentHeight + 6;
            } else {
                drawSegmentedDisplayCharacter(display, hourMinuteTextX, hourMinuteTextY, character.toInt(), scale);

                hourMinuteTextX += segmentWidth + (segmentHeight * 2) + 4;
            }

            hourMinuteTextX += 5;
        }

        // draw seconds string
        display->setFont(FONT_MEDIUM);
        display->drawString(startingHourMinuteTextX + timeStringWidth + 4,
                            (display->getHeight() - hourMinuteTextY) - FONT_HEIGHT_MEDIUM + 6, secondString);
    }
}

void Screen::drawSegmentedDisplayColon(OLEDDisplay *display, int x, int y, float scale)
{
    uint16_t segmentWidth = SEGMENT_WIDTH * scale;
    uint16_t segmentHeight = SEGMENT_HEIGHT * scale;

    uint16_t cellHeight = (segmentWidth * 2) + (segmentHeight * 3) + 8;

    uint16_t topAndBottomX = x + (4 * scale);

    uint16_t quarterCellHeight = cellHeight / 4;

    uint16_t topY = y + quarterCellHeight;
    uint16_t bottomY = y + (quarterCellHeight * 3);

    display->fillRect(topAndBottomX, topY, segmentHeight, segmentHeight);
    display->fillRect(topAndBottomX, bottomY, segmentHeight, segmentHeight);
}

void Screen::drawSegmentedDisplayCharacter(OLEDDisplay *display, int x, int y, uint8_t number, float scale)
{
    // the numbers 0-9, each expressed as an array of seven boolean (0|1) values encoding the on/off state of
    // segment {innerIndex + 1}
    // e.g., to display the numeral '0', segments 1-6 are on, and segment 7 is off.
    uint8_t numbers[10][7] = {
        {1, 1, 1, 1, 1, 1, 0}, // 0          Display segment key
        {0, 1, 1, 0, 0, 0, 0}, // 1                   1
        {1, 1, 0, 1, 1, 0, 1}, // 2                  ___
        {1, 1, 1, 1, 0, 0, 1}, // 3              6  |   | 2
        {0, 1, 1, 0, 0, 1, 1}, // 4                 |_7̲_|
        {1, 0, 1, 1, 0, 1, 1}, // 5              5  |   | 3
        {1, 0, 1, 1, 1, 1, 1}, // 6                 |___|
        {1, 1, 1, 0, 0, 1, 0}, // 7
        {1, 1, 1, 1, 1, 1, 1}, // 8                   4
        {1, 1, 1, 1, 0, 1, 1}, // 9
    };

    // the width and height of each segment's central rectangle:
    //             _____________________
    //           ⋰|  (only this part,  |⋱
    //         ⋰  |   not including    |  ⋱
    //         ⋱  |   the triangles    |  ⋰
    //           ⋱|    on the ends)    |⋰
    //             ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾

    uint16_t segmentWidth = SEGMENT_WIDTH * scale;
    uint16_t segmentHeight = SEGMENT_HEIGHT * scale;

    // segment x and y coordinates
    uint16_t segmentOneX = x + segmentHeight + 2;
    uint16_t segmentOneY = y;

    uint16_t segmentTwoX = segmentOneX + segmentWidth + 2;
    uint16_t segmentTwoY = segmentOneY + segmentHeight + 2;

    uint16_t segmentThreeX = segmentTwoX;
    uint16_t segmentThreeY = segmentTwoY + segmentWidth + 2 + segmentHeight + 2;

    uint16_t segmentFourX = segmentOneX;
    uint16_t segmentFourY = segmentThreeY + segmentWidth + 2;

    uint16_t segmentFiveX = x;
    uint16_t segmentFiveY = segmentThreeY;

    uint16_t segmentSixX = x;
    uint16_t segmentSixY = segmentTwoY;

    uint16_t segmentSevenX = segmentOneX;
    uint16_t segmentSevenY = segmentTwoY + segmentWidth + 2;

    if (numbers[number][0]) {
        drawHorizontalSegment(display, segmentOneX, segmentOneY, segmentWidth, segmentHeight);
    }

    if (numbers[number][1]) {
        drawVerticalSegment(display, segmentTwoX, segmentTwoY, segmentWidth, segmentHeight);
    }

    if (numbers[number][2]) {
        drawVerticalSegment(display, segmentThreeX, segmentThreeY, segmentWidth, segmentHeight);
    }

    if (numbers[number][3]) {
        drawHorizontalSegment(display, segmentFourX, segmentFourY, segmentWidth, segmentHeight);
    }

    if (numbers[number][4]) {
        drawVerticalSegment(display, segmentFiveX, segmentFiveY, segmentWidth, segmentHeight);
    }

    if (numbers[number][5]) {
        drawVerticalSegment(display, segmentSixX, segmentSixY, segmentWidth, segmentHeight);
    }

    if (numbers[number][6]) {
        drawHorizontalSegment(display, segmentSevenX, segmentSevenY, segmentWidth, segmentHeight);
    }
}

void Screen::drawHorizontalSegment(OLEDDisplay *display, int x, int y, int width, int height)
{
    int halfHeight = height / 2;

    // draw central rectangle
    display->fillRect(x, y, width, height);

    // draw end triangles
    display->fillTriangle(x, y, x, y + height - 1, x - halfHeight, y + halfHeight);

    display->fillTriangle(x + width, y, x + width + halfHeight, y + halfHeight, x + width, y + height - 1);
}

void Screen::drawVerticalSegment(OLEDDisplay *display, int x, int y, int width, int height)
{
    int halfHeight = height / 2;

    // draw central rectangle
    display->fillRect(x, y, height, width);

    // draw end triangles
    display->fillTriangle(x + halfHeight, y - halfHeight, x + height - 1, y, x, y);

    display->fillTriangle(x, y + width, x + height - 1, y + width, x + halfHeight, y + width + halfHeight);
}

void Screen::drawBluetoothConnectedIcon(OLEDDisplay *display, int16_t x, int16_t y)
{
    display->drawFastImage(x, y, 18, 14, bluetoothConnectedIcon);
}

// Draw an analog clock
void Screen::drawAnalogClockFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
{
    display->setTextAlignment(TEXT_ALIGN_LEFT);

    drawBattery(display, x, y + 7, imgBattery, powerStatus);

    if (powerStatus->getHasBattery()) {
        String batteryPercent = String(powerStatus->getBatteryChargePercent()) + "%";

        display->setFont(FONT_SMALL);

        display->drawString(x + 20, y + 2, batteryPercent);
    }

    if (nimbleBluetooth && nimbleBluetooth->isConnected()) {
        drawBluetoothConnectedIcon(display, display->getWidth() - 18, y + 2);
    }

    drawWatchFaceToggleButton(display, display->getWidth() - 36, display->getHeight() - 36, screen->digitalWatchFace, 1);

    // clock face center coordinates
    int16_t centerX = display->getWidth() / 2;
    int16_t centerY = display->getHeight() / 2;

    // clock face radius
    int16_t radius = (display->getWidth() / 2) * 0.8;

    // noon (0 deg) coordinates (outermost circle)
    int16_t noonX = centerX;
    int16_t noonY = centerY - radius;

    // second hand radius and y coordinate (outermost circle)
    int16_t secondHandNoonY = noonY + 1;

    // tick mark outer y coordinate; (first nested circle)
    int16_t tickMarkOuterNoonY = secondHandNoonY;

    // seconds tick mark inner y coordinate; (second nested circle)
    double secondsTickMarkInnerNoonY = (double)noonY + 8;

    // hours tick mark inner y coordinate; (third nested circle)
    double hoursTickMarkInnerNoonY = (double)noonY + 16;

    // minute hand y coordinate
    int16_t minuteHandNoonY = secondsTickMarkInnerNoonY + 4;

    // hour string y coordinate
    int16_t hourStringNoonY = minuteHandNoonY + 18;

    // hour hand radius and y coordinate
    int16_t hourHandRadius = radius * 0.55;
    int16_t hourHandNoonY = centerY - hourHandRadius;

    display->setColor(OLEDDISPLAY_COLOR::WHITE);
    display->drawCircle(centerX, centerY, radius);

    uint32_t rtc_sec = getValidTime(RTCQuality::RTCQualityDevice, true); // Display local timezone
    if (rtc_sec > 0) {
        long hms = rtc_sec % SEC_PER_DAY;
        hms = (hms + SEC_PER_DAY) % SEC_PER_DAY;

        // Tear apart hms into h:m:s
        int hour = hms / SEC_PER_HOUR;
        int minute = (hms % SEC_PER_HOUR) / SEC_PER_MIN;
        int second = (hms % SEC_PER_HOUR) % SEC_PER_MIN; // or hms % SEC_PER_MIN

        hour = hour > 12 ? hour - 12 : hour;

        int16_t degreesPerHour = 30;
        int16_t degreesPerMinuteOrSecond = 6;

        double hourBaseAngle = hour * degreesPerHour;
        double hourAngleOffset = ((double)minute / 60) * degreesPerHour;
        double hourAngle = radians(hourBaseAngle + hourAngleOffset);

        double minuteBaseAngle = minute * degreesPerMinuteOrSecond;
        double minuteAngleOffset = ((double)second / 60) * degreesPerMinuteOrSecond;
        double minuteAngle = radians(minuteBaseAngle + minuteAngleOffset);

        double secondAngle = radians(second * degreesPerMinuteOrSecond);

        double hourX = sin(-hourAngle) * (hourHandNoonY - centerY) + noonX;
        double hourY = cos(-hourAngle) * (hourHandNoonY - centerY) + centerY;

        double minuteX = sin(-minuteAngle) * (minuteHandNoonY - centerY) + noonX;
        double minuteY = cos(-minuteAngle) * (minuteHandNoonY - centerY) + centerY;

        double secondX = sin(-secondAngle) * (secondHandNoonY - centerY) + noonX;
        double secondY = cos(-secondAngle) * (secondHandNoonY - centerY) + centerY;

        display->setFont(FONT_MEDIUM);

        // draw minute and hour tick marks and hour numbers
        for (uint16_t angle = 0; angle < 360; angle += 6) {
            double angleInRadians = radians(angle);

            double sineAngleInRadians = sin(-angleInRadians);
            double cosineAngleInRadians = cos(-angleInRadians);

            double endX = sineAngleInRadians * (tickMarkOuterNoonY - centerY) + noonX;
            double endY = cosineAngleInRadians * (tickMarkOuterNoonY - centerY) + centerY;

            if (angle % degreesPerHour == 0) {
                double startX = sineAngleInRadians * (hoursTickMarkInnerNoonY - centerY) + noonX;
                double startY = cosineAngleInRadians * (hoursTickMarkInnerNoonY - centerY) + centerY;

                // draw hour tick mark
                display->drawLine(startX, startY, endX, endY);

                static char buffer[2];

                uint8_t hourInt = (angle / 30);

                if (hourInt == 0) {
                    hourInt = 12;
                }

                // hour number x offset needs to be adjusted for some cases
                int8_t hourStringXOffset;
                int8_t hourStringYOffset = 13;

                switch (hourInt) {
                case 3:
                    hourStringXOffset = 5;
                    break;
                case 9:
                    hourStringXOffset = 7;
                    break;
                case 10:
                case 11:
                    hourStringXOffset = 8;
                    break;
                case 12:
                    hourStringXOffset = 13;
                    break;
                default:
                    hourStringXOffset = 6;
                    break;
                }

                double hourStringX = (sineAngleInRadians * (hourStringNoonY - centerY) + noonX) - hourStringXOffset;
                double hourStringY = (cosineAngleInRadians * (hourStringNoonY - centerY) + centerY) - hourStringYOffset;

                // draw hour number
                display->drawStringf(hourStringX, hourStringY, buffer, "%d", hourInt);
            }

            if (angle % degreesPerMinuteOrSecond == 0) {
                double startX = sineAngleInRadians * (secondsTickMarkInnerNoonY - centerY) + noonX;
                double startY = cosineAngleInRadians * (secondsTickMarkInnerNoonY - centerY) + centerY;

                // draw minute tick mark
                display->drawLine(startX, startY, endX, endY);
            }
        }

        // draw hour hand
        display->drawLine(centerX, centerY, hourX, hourY);

        // draw minute hand
        display->drawLine(centerX, centerY, minuteX, minuteY);

        // draw second hand
        display->drawLine(centerX, centerY, secondX, secondY);
    }
}

#endif

// Get an absolute time from "seconds ago" info. Returns false if no valid timestamp possible
bool deltaToTimestamp(uint32_t secondsAgo, uint8_t *hours, uint8_t *minutes, int32_t *daysAgo)
{
    // Cache the result - avoid frequent recalculation
    static uint8_t hoursCached = 0, minutesCached = 0;
    static uint32_t daysAgoCached = 0;
    static uint32_t secondsAgoCached = 0;
    static bool validCached = false;

    // Abort: if timezone not set
    if (strlen(config.device.tzdef) == 0) {
        validCached = false;
        return validCached;
    }

    // Abort: if invalid pointers passed
    if (hours == nullptr || minutes == nullptr || daysAgo == nullptr) {
        validCached = false;
        return validCached;
    }

    // Abort: if time seems invalid.. (> 6 months ago, probably seen before RTC set)
    if (secondsAgo > SEC_PER_DAY * 30UL * 6) {
        validCached = false;
        return validCached;
    }

    // If repeated request, don't bother recalculating
    if (secondsAgo - secondsAgoCached < 60 && secondsAgoCached != 0) {
        if (validCached) {
            *hours = hoursCached;
            *minutes = minutesCached;
            *daysAgo = daysAgoCached;
        }
        return validCached;
    }

    // Get local time
    uint32_t secondsRTC = getValidTime(RTCQuality::RTCQualityDevice, true); // Get local time

    // Abort: if RTC not set
    if (!secondsRTC) {
        validCached = false;
        return validCached;
    }

    // Get absolute time when last seen
    uint32_t secondsSeenAt = secondsRTC - secondsAgo;

    // Calculate daysAgo
    *daysAgo = (secondsRTC / SEC_PER_DAY) - (secondsSeenAt / SEC_PER_DAY); // How many "midnights" have passed

    // Get seconds since midnight
    uint32_t hms = (secondsRTC - secondsAgo) % SEC_PER_DAY;
    hms = (hms + SEC_PER_DAY) % SEC_PER_DAY;

    // Tear apart hms into hours and minutes
    *hours = hms / SEC_PER_HOUR;
    *minutes = (hms % SEC_PER_HOUR) / SEC_PER_MIN;

    // Cache the result
    daysAgoCached = *daysAgo;
    hoursCached = *hours;
    minutesCached = *minutes;
    secondsAgoCached = secondsAgo;

    validCached = true;
    return validCached;
}

/// Draw a series of fields in a column, wrapping to multiple columns if needed
void Screen::drawColumns(OLEDDisplay *display, int16_t x, int16_t y, const char **fields)
{
    // The coordinates define the left starting point of the text
    display->setTextAlignment(TEXT_ALIGN_LEFT);

    const char **f = fields;
    int xo = x, yo = y;
    while (*f) {
        display->drawString(xo, yo, *f);
        if ((display->getColor() == BLACK) && config.display.heading_bold)
            display->drawString(xo + 1, yo, *f);

        display->setColor(WHITE);
        yo += FONT_HEIGHT_SMALL;
        if (yo > SCREEN_HEIGHT - FONT_HEIGHT_SMALL) {
            xo += SCREEN_WIDTH / 2;
            yo = 0;
        }
        f++;
    }
}

/**
 * Given a recent lat/lon return a guess of the heading the user is walking on.
 *
 * We keep a series of "after you've gone 10 meters, what is your heading since
 * the last reference point?"
 */
float Screen::estimatedHeading(double lat, double lon)
{
    static double oldLat, oldLon;
    static float b;

    if (oldLat == 0) {
        // just prepare for next time
        oldLat = lat;
        oldLon = lon;

        return b;
    }

    float d = GeoCoord::latLongToMeter(oldLat, oldLon, lat, lon);
    if (d < 10) // haven't moved enough, just keep current bearing
        return b;

    b = GeoCoord::bearing(oldLat, oldLon, lat, lon);
    oldLat = lat;
    oldLon = lon;

    return b;
}

/// We will skip one node - the one for us, so we just blindly loop over all
/// nodes
static int8_t prevFrame = -1;

// Draw the arrow pointing to a node's location
void Screen::drawNodeHeading(OLEDDisplay *display, int16_t compassX, int16_t compassY, uint16_t compassDiam, float headingRadian)
{
    Point tip(0.0f, 0.5f), tail(0.0f, -0.35f); // pointing up initially
    float arrowOffsetX = 0.14f, arrowOffsetY = 1.0f;
    Point leftArrow(tip.x - arrowOffsetX, tip.y - arrowOffsetY), rightArrow(tip.x + arrowOffsetX, tip.y - arrowOffsetY);

    Point *arrowPoints[] = {&tip, &tail, &leftArrow, &rightArrow};

    for (int i = 0; i < 4; i++) {
        arrowPoints[i]->rotate(headingRadian);
        arrowPoints[i]->scale(compassDiam * 0.6);
        arrowPoints[i]->translate(compassX, compassY);
    }
    /* Old arrow
    display->drawLine(tip.x, tip.y, tail.x, tail.y);
    display->drawLine(leftArrow.x, leftArrow.y, tip.x, tip.y);
    display->drawLine(rightArrow.x, rightArrow.y, tip.x, tip.y);
    display->drawLine(leftArrow.x, leftArrow.y, tail.x, tail.y);
    display->drawLine(rightArrow.x, rightArrow.y, tail.x, tail.y);
    */
#ifdef USE_EINK
    display->drawTriangle(tip.x, tip.y, rightArrow.x, rightArrow.y, tail.x, tail.y);
#else
    display->fillTriangle(tip.x, tip.y, rightArrow.x, rightArrow.y, tail.x, tail.y);
#endif
    display->drawTriangle(tip.x, tip.y, leftArrow.x, leftArrow.y, tail.x, tail.y);
}

// Get a string representation of the time passed since something happened
void Screen::getTimeAgoStr(uint32_t agoSecs, char *timeStr, uint8_t maxLength)
{
    // Use an absolute timestamp in some cases.
    // Particularly useful with E-Ink displays. Static UI, fewer refreshes.
    uint8_t timestampHours, timestampMinutes;
    int32_t daysAgo;
    bool useTimestamp = deltaToTimestamp(agoSecs, &timestampHours, &timestampMinutes, &daysAgo);

    if (agoSecs < 120) // last 2 mins?
        snprintf(timeStr, maxLength, "%u seconds ago", agoSecs);
    // -- if suitable for timestamp --
    else if (useTimestamp && agoSecs < 15 * SECONDS_IN_MINUTE) // Last 15 minutes
        snprintf(timeStr, maxLength, "%u minutes ago", agoSecs / SECONDS_IN_MINUTE);
    else if (useTimestamp && daysAgo == 0) // Today
        snprintf(timeStr, maxLength, "Last seen: %02u:%02u", (unsigned int)timestampHours, (unsigned int)timestampMinutes);
    else if (useTimestamp && daysAgo == 1) // Yesterday
        snprintf(timeStr, maxLength, "Seen yesterday");
    else if (useTimestamp && daysAgo > 1) // Last six months (capped by deltaToTimestamp method)
        snprintf(timeStr, maxLength, "%li days ago", (long)daysAgo);
    // -- if using time delta instead --
    else if (agoSecs < 120 * 60) // last 2 hrs
        snprintf(timeStr, maxLength, "%u minutes ago", agoSecs / 60);
    // Only show hours ago if it's been less than 6 months. Otherwise, we may have bad data.
    else if ((agoSecs / 60 / 60) < (hours_in_month * 6))
        snprintf(timeStr, maxLength, "%u hours ago", agoSecs / 60 / 60);
    else
        snprintf(timeStr, maxLength, "unknown age");
}

void Screen::drawCompassNorth(OLEDDisplay *display, int16_t compassX, int16_t compassY, float myHeading)
{
    Serial.print("🧭 [Main Compass] Raw Heading (deg): ");
    Serial.println(myHeading * RAD_TO_DEG);

    // If north is supposed to be at the top of the compass we want rotation to be +0
    if (config.display.compass_north_top)
        myHeading = -0;
    /* N sign points currently not deleted*/
    Point N1(-0.04f, 0.65f), N2(0.04f, 0.65f); // N sign points (N1-N4)
    Point N3(-0.04f, 0.55f), N4(0.04f, 0.55f);
    Point NC1(0.00f, 0.50f); // north circle center point
    Point *rosePoints[] = {&N1, &N2, &N3, &N4, &NC1};

    uint16_t compassDiam = Screen::getCompassDiam(SCREEN_WIDTH, SCREEN_HEIGHT);

    for (int i = 0; i < 5; i++) {
        // North on compass will be negative of heading
        rosePoints[i]->rotate(-myHeading);
        rosePoints[i]->scale(compassDiam);
        rosePoints[i]->translate(compassX, compassY);
    }
}

uint16_t Screen::getCompassDiam(uint32_t displayWidth, uint32_t displayHeight)
{
    uint16_t diam = 0;
    uint16_t offset = 0;

    if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_DEFAULT)
        offset = FONT_HEIGHT_SMALL;

    // get the smaller of the 2 dimensions and subtract 20
    if (displayWidth > (displayHeight - offset)) {
        diam = displayHeight - offset;
        // if 2/3 of the other size would be smaller, use that
        if (diam > (displayWidth * 2 / 3)) {
            diam = displayWidth * 2 / 3;
        }
    } else {
        diam = displayWidth;
        if (diam > ((displayHeight - offset) * 2 / 3)) {
            diam = (displayHeight - offset) * 2 / 3;
        }
    }

    return diam - 20;
};

// Combined dynamic node list frame cycling through LastHeard, HopSignal, and Distance modes
// Uses a single frame and changes data every few seconds (E-Ink variant is separate)

#if defined(ESP_PLATFORM) && defined(USE_ST7789)
SPIClass SPI1(HSPI);
#endif

Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_OledType screenType, OLEDDISPLAY_GEOMETRY geometry)
    : concurrency::OSThread("Screen"), address_found(address), model(screenType), geometry(geometry), cmdQueue(32)
{
    graphics::normalFrames = new FrameCallback[MAX_NUM_NODES + NUM_EXTRA_FRAMES];
#if defined(USE_SH1106) || defined(USE_SH1107) || defined(USE_SH1107_128_64)
    dispdev = new SH1106Wire(address.address, -1, -1, geometry,
                             (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
#elif defined(USE_ST7789)
#ifdef ESP_PLATFORM
    dispdev = new ST7789Spi(&SPI1, ST7789_RESET, ST7789_RS, ST7789_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT, ST7789_SDA,
                            ST7789_MISO, ST7789_SCK);
#else
    dispdev = new ST7789Spi(&SPI1, ST7789_RESET, ST7789_RS, ST7789_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
    static_cast<ST7789Spi *>(dispdev)->setRGB(COLOR565(255, 255, 128));
#endif
#elif defined(USE_SSD1306)
    dispdev = new SSD1306Wire(address.address, -1, -1, geometry,
                              (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
#elif defined(ST7735_CS) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7789_CS) ||    \
    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS)
    dispdev = new TFTDisplay(address.address, -1, -1, geometry,
                             (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
#elif defined(USE_EINK) && !defined(USE_EINK_DYNAMICDISPLAY)
    dispdev = new EInkDisplay(address.address, -1, -1, geometry,
                              (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
#elif defined(USE_EINK) && defined(USE_EINK_DYNAMICDISPLAY)
    dispdev = new EInkDynamicDisplay(address.address, -1, -1, geometry,
                                     (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
#elif defined(USE_ST7567)
    dispdev = new ST7567Wire(address.address, -1, -1, geometry,
                             (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
#elif ARCH_PORTDUINO
    if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
        if (settingsMap[displayPanel] != no_screen) {
            LOG_DEBUG("Make TFTDisplay!");
            dispdev = new TFTDisplay(address.address, -1, -1, geometry,
                                     (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
        } else {
            dispdev = new AutoOLEDWire(address.address, -1, -1, geometry,
                                       (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
            isAUTOOled = true;
        }
    }
#else
    dispdev = new AutoOLEDWire(address.address, -1, -1, geometry,
                               (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
    isAUTOOled = true;
#endif

    ui = new OLEDDisplayUi(dispdev);
    cmdQueue.setReader(this);
}

Screen::~Screen()
{
    delete[] graphics::normalFrames;
}

/**
 * Prepare the display for the unit going to the lowest power mode possible.  Most screens will just
 * poweroff, but eink screens will show a "I'm sleeping" graphic, possibly with a QR code
 */
void Screen::doDeepSleep()
{
#ifdef USE_EINK
    setOn(false, graphics::UIRenderer::drawDeepSleepFrame);
#ifdef PIN_EINK_EN
    digitalWrite(PIN_EINK_EN, LOW); // power off backlight
#endif
#else
    // Without E-Ink display:
    setOn(false);
#endif
}

void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
{
    if (!useDisplay)
        return;

    if (on != screenOn) {
        if (on) {
            LOG_INFO("Turn on screen");
            buttonThread->setScreenFlag(true);
            powerMon->setState(meshtastic_PowerMon_State_Screen_On);
#ifdef T_WATCH_S3
            PMU->enablePowerOutput(XPOWERS_ALDO2);
#endif
#ifdef HELTEC_TRACKER_V1_X
            uint8_t tft_vext_enabled = digitalRead(VEXT_ENABLE);
#endif
#if !ARCH_PORTDUINO
            dispdev->displayOn();
#endif

#if defined(ST7789_CS) &&                                                                                                        \
    !defined(M5STACK) // set display brightness when turning on screens. Just moved function from TFTDisplay to here.
            static_cast<TFTDisplay *>(dispdev)->setDisplayBrightness(brightness);
#endif

            dispdev->displayOn();
#ifdef HELTEC_TRACKER_V1_X
            // If the TFT VEXT power is not enabled, initialize the UI.
            if (!tft_vext_enabled) {
                ui->init();
            }
#endif
#ifdef USE_ST7789
            pinMode(VTFT_CTRL, OUTPUT);
            digitalWrite(VTFT_CTRL, LOW);
            ui->init();
#ifdef ESP_PLATFORM
            analogWrite(VTFT_LEDA, BRIGHTNESS_DEFAULT);
#else
            pinMode(VTFT_LEDA, OUTPUT);
            digitalWrite(VTFT_LEDA, TFT_BACKLIGHT_ON);
#endif
#endif
            enabled = true;
            setInterval(0); // Draw ASAP
            runASAP = true;
        } else {
            powerMon->clearState(meshtastic_PowerMon_State_Screen_On);
#ifdef USE_EINK
            // eInkScreensaver parameter is usually NULL (default argument), default frame used instead
            setScreensaverFrames(einkScreensaver);
#endif
            LOG_INFO("Turn off screen");
            buttonThread->setScreenFlag(false);
#ifdef ELECROW_ThinkNode_M1
            if (digitalRead(PIN_EINK_EN) == HIGH) {
                digitalWrite(PIN_EINK_EN, LOW);
            }
#endif
            dispdev->displayOff();
#ifdef USE_ST7789
            SPI1.end();
#if defined(ARCH_ESP32)
            pinMode(VTFT_LEDA, ANALOG);
            pinMode(VTFT_CTRL, ANALOG);
            pinMode(ST7789_RESET, ANALOG);
            pinMode(ST7789_RS, ANALOG);
            pinMode(ST7789_NSS, ANALOG);
#else
            nrf_gpio_cfg_default(VTFT_LEDA);
            nrf_gpio_cfg_default(VTFT_CTRL);
            nrf_gpio_cfg_default(ST7789_RESET);
            nrf_gpio_cfg_default(ST7789_RS);
            nrf_gpio_cfg_default(ST7789_NSS);
#endif
#endif

#ifdef T_WATCH_S3
            PMU->disablePowerOutput(XPOWERS_ALDO2);
#endif
            enabled = false;
        }
        screenOn = on;
    }
}

void Screen::setup()
{
    // === Enable display rendering ===
    useDisplay = true;

    // === Detect OLED subtype (if supported by board variant) ===
#ifdef AutoOLEDWire_h
    if (isAUTOOled)
        static_cast<AutoOLEDWire *>(dispdev)->setDetected(model);
#endif

#ifdef USE_SH1107_128_64
    static_cast<SH1106Wire *>(dispdev)->setSubtype(7);
#endif

#if defined(USE_ST7789) && defined(TFT_MESH)
    // Apply custom RGB color (e.g. Heltec T114/T190)
    static_cast<ST7789Spi *>(dispdev)->setRGB(TFT_MESH);
#endif

    // === Initialize display and UI system ===
    ui->init();
    displayWidth = dispdev->width();
    displayHeight = dispdev->height();

    ui->setTimePerTransition(0);           // Disable animation delays
    ui->setIndicatorPosition(BOTTOM);      // Not used (indicators disabled below)
    ui->setIndicatorDirection(LEFT_RIGHT); // Not used (indicators disabled below)
    ui->setFrameAnimation(SLIDE_LEFT);     // Used only when indicators are active
    ui->disableAllIndicators();            // Disable page indicator dots
    ui->getUiState()->userData = this;     // Allow static callbacks to access Screen instance

    // === Set custom overlay callbacks ===
    static OverlayCallback overlays[] = {
        drawFunctionOverlay,                    // For mute/buzzer modifiers etc.
        graphics::UIRenderer::drawNavigationBar // Custom indicator icons for each frame
    };
    ui->setOverlays(overlays, sizeof(overlays) / sizeof(overlays[0]));

    // === Enable UTF-8 to display mapping ===
    dispdev->setFontTableLookupFunction(customFontTableLookup);

#ifdef USERPREFS_OEM_TEXT
    logo_timeout *= 2; // Give more time for branded boot logos
#endif

    // === Configure alert frames (e.g., "Resuming..." or region name) ===
    EINK_ADD_FRAMEFLAG(dispdev, DEMAND_FAST); // Skip slow refresh
    alertFrames[0] = [this](OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y) {
#ifdef ARCH_ESP32
        if (wakeCause == ESP_SLEEP_WAKEUP_TIMER || wakeCause == ESP_SLEEP_WAKEUP_EXT1)
            drawFrameText(display, state, x, y, "Resuming...");
        else
#endif
        {
            const char *region = myRegion ? myRegion->name : nullptr;
            graphics::UIRenderer::drawIconScreen(region, display, state, x, y);
        }
    };
    ui->setFrames(alertFrames, 1);
    ui->disableAutoTransition(); // Require manual navigation between frames

    // === Log buffer for on-screen logs (3 lines max) ===
    dispdev->setLogBuffer(3, 32);

    // === Optional screen mirroring or flipping (e.g. for T-Beam orientation) ===
#ifdef SCREEN_MIRROR
    dispdev->mirrorScreen();
#else
    if (!config.display.flip_screen) {
#if defined(ST7701_CS) || defined(ST7735_CS) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7789_CS) ||      \
    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS)
        static_cast<TFTDisplay *>(dispdev)->flipScreenVertically();
#elif defined(USE_ST7789)
        static_cast<ST7789Spi *>(dispdev)->flipScreenVertically();
#else
        dispdev->flipScreenVertically();
#endif
    }
#endif

    // === Generate device ID from MAC address ===
    uint8_t dmac[6];
    getMacAddr(dmac);
    snprintf(ourId, sizeof(ourId), "%02x%02x", dmac[4], dmac[5]);

#if ARCH_PORTDUINO
    handleSetOn(false); // Ensure proper init for Arduino targets
#endif

    // === Turn on display and trigger first draw ===
    handleSetOn(true);
    ui->update();
#ifndef USE_EINK
    ui->update(); // Some SSD1306 clones drop the first draw, so run twice
#endif
    serialSinceMsec = millis();

#if ARCH_PORTDUINO
    if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
        if (settingsMap[touchscreenModule]) {
            touchScreenImpl1 =
                new TouchScreenImpl1(dispdev->getWidth(), dispdev->getHeight(), static_cast<TFTDisplay *>(dispdev)->getTouch);
            touchScreenImpl1->init();
        }
    }
#elif HAS_TOUCHSCREEN
    touchScreenImpl1 =
        new TouchScreenImpl1(dispdev->getWidth(), dispdev->getHeight(), static_cast<TFTDisplay *>(dispdev)->getTouch);
    touchScreenImpl1->init();
#endif

    // === Subscribe to device status updates ===
    powerStatusObserver.observe(&powerStatus->onNewStatus);
    gpsStatusObserver.observe(&gpsStatus->onNewStatus);
    nodeStatusObserver.observe(&nodeStatus->onNewStatus);

#if !MESHTASTIC_EXCLUDE_ADMIN
    adminMessageObserver.observe(adminModule);
#endif
    if (textMessageModule)
        textMessageObserver.observe(textMessageModule);
    if (inputBroker)
        inputObserver.observe(inputBroker);

    // === Notify modules that support UI events ===
    MeshModule::observeUIEvents(&uiFrameEventObserver);
}

void Screen::forceDisplay(bool forceUiUpdate)
{
    // Nasty hack to force epaper updates for 'key' frames.  FIXME, cleanup.
#ifdef USE_EINK
    // If requested, make sure queued commands are run, and UI has rendered a new frame
    if (forceUiUpdate) {
        // Force a display refresh, in addition to the UI update
        // Changing the GPS status bar icon apparently doesn't register as a change in image
        // (False negative of the image hashing algorithm used to skip identical frames)
        EINK_ADD_FRAMEFLAG(dispdev, DEMAND_FAST);

        // No delay between UI frame rendering
        setFastFramerate();

        // Make sure all CMDs have run first
        while (!cmdQueue.isEmpty())
            runOnce();

        // Ensure at least one frame has drawn
        uint64_t startUpdate;
        do {
            startUpdate = millis(); // Handle impossibly unlikely corner case of a millis() overflow..
            delay(10);
            ui->update();
        } while (ui->getUiState()->lastUpdate < startUpdate);

        // Return to normal frame rate
        targetFramerate = IDLE_FRAMERATE;
        ui->setTargetFPS(targetFramerate);
    }

    // Tell EInk class to update the display
    static_cast<EInkDisplay *>(dispdev)->forceDisplay();
#endif
}

static uint32_t lastScreenTransition;

int32_t Screen::runOnce()
{
    // If we don't have a screen, don't ever spend any CPU for us.
    if (!useDisplay) {
        enabled = false;
        return RUN_SAME;
    }

    if (displayHeight == 0) {
        displayHeight = dispdev->getHeight();
    }

    // Show boot screen for first logo_timeout seconds, then switch to normal operation.
    // serialSinceMsec adjusts for additional serial wait time during nRF52 bootup
    static bool showingBootScreen = true;
    if (showingBootScreen && (millis() > (logo_timeout + serialSinceMsec))) {
        LOG_INFO("Done with boot screen");
        stopBootScreen();
        showingBootScreen = false;
    }

#ifdef USERPREFS_OEM_TEXT
    static bool showingOEMBootScreen = true;
    if (showingOEMBootScreen && (millis() > ((logo_timeout / 2) + serialSinceMsec))) {
        LOG_INFO("Switch to OEM screen...");
        // Change frames.
        static FrameCallback bootOEMFrames[] = {graphics::UIRenderer::drawOEMBootScreen};
        static const int bootOEMFrameCount = sizeof(bootOEMFrames) / sizeof(bootOEMFrames[0]);
        ui->setFrames(bootOEMFrames, bootOEMFrameCount);
        ui->update();
#ifndef USE_EINK
        ui->update();
#endif
        showingOEMBootScreen = false;
    }
#endif

#ifndef DISABLE_WELCOME_UNSET
    if (showingNormalScreen && config.lora.region == meshtastic_Config_LoRaConfig_RegionCode_UNSET) {
        setWelcomeFrames();
    }
#endif

    // Process incoming commands.
    for (;;) {
        ScreenCmd cmd;
        if (!cmdQueue.dequeue(&cmd, 0)) {
            break;
        }
        switch (cmd.cmd) {
        case Cmd::SET_ON:
            handleSetOn(true);
            break;
        case Cmd::SET_OFF:
            handleSetOn(false);
            break;
        case Cmd::ON_PRESS:
            handleOnPress();
            break;
        case Cmd::SHOW_PREV_FRAME:
            handleShowPrevFrame();
            break;
        case Cmd::SHOW_NEXT_FRAME:
            handleShowNextFrame();
            break;
        case Cmd::START_ALERT_FRAME: {
            showingBootScreen = false; // this should avoid the edge case where an alert triggers before the boot screen goes away
            showingNormalScreen = false;
            alertFrames[0] = alertFrame;
#ifdef USE_EINK
            EINK_ADD_FRAMEFLAG(dispdev, DEMAND_FAST); // Use fast-refresh for next frame, no skip please
            EINK_ADD_FRAMEFLAG(dispdev, BLOCKING);    // Edge case: if this frame is promoted to COSMETIC, wait for update
            handleSetOn(true); // Ensure power-on to receive deep-sleep screensaver (PowerFSM should handle?)
#endif
            setFrameImmediateDraw(alertFrames);
            break;
        }
        case Cmd::START_FIRMWARE_UPDATE_SCREEN:
            handleStartFirmwareUpdateScreen();
            break;
        case Cmd::STOP_ALERT_FRAME:
        case Cmd::STOP_BOOT_SCREEN:
            EINK_ADD_FRAMEFLAG(dispdev, COSMETIC); // E-Ink: Explicitly use full-refresh for next frame
            setFrames();
            break;
        case Cmd::PRINT:
            handlePrint(cmd.print_text);
            free(cmd.print_text);
            break;
        default:
            LOG_ERROR("Invalid screen cmd");
        }
    }

    if (!screenOn) { // If we didn't just wake and the screen is still off, then
                     // stop updating until it is on again
        enabled = false;
        return 0;
    }

    // this must be before the frameState == FIXED check, because we always
    // want to draw at least one FIXED frame before doing forceDisplay
    ui->update();

    // Switch to a low framerate (to save CPU) when we are not in transition
    // but we should only call setTargetFPS when framestate changes, because
    // otherwise that breaks animations.

    if (targetFramerate != IDLE_FRAMERATE && ui->getUiState()->frameState == FIXED) {
        // oldFrameState = ui->getUiState()->frameState;
        targetFramerate = IDLE_FRAMERATE;

        ui->setTargetFPS(targetFramerate);
        forceDisplay();
    }

    // While showing the bootscreen or Bluetooth pair screen all of our
    // standard screen switching is stopped.
    if (showingNormalScreen) {
        // standard screen loop handling here
        if (config.display.auto_screen_carousel_secs > 0 &&
            !Throttle::isWithinTimespanMs(lastScreenTransition, config.display.auto_screen_carousel_secs * 1000)) {

            // If an E-Ink display struggles with fast refresh, force carousel to use full refresh instead
            // Carousel is potentially a major source of E-Ink display wear
#if !defined(EINK_BACKGROUND_USES_FAST)
            EINK_ADD_FRAMEFLAG(dispdev, COSMETIC);
#endif

            LOG_DEBUG("LastScreenTransition exceeded %ums transition to next frame", (millis() - lastScreenTransition));
            handleOnPress();
        }
    }

    // LOG_DEBUG("want fps %d, fixed=%d", targetFramerate,
    // ui->getUiState()->frameState); If we are scrolling we need to be called
    // soon, otherwise just 1 fps (to save CPU) We also ask to be called twice
    // as fast as we really need so that any rounding errors still result with
    // the correct framerate
    return (1000 / targetFramerate);
}

/* show a message that the SSL cert is being built
 * it is expected that this will be used during the boot phase */
void Screen::setSSLFrames()
{
    if (address_found.address) {
        // LOG_DEBUG("Show SSL frames");
        static FrameCallback sslFrames[] = {graphics::NotificationRenderer::NotificationRenderer::drawSSLScreen};
        ui->setFrames(sslFrames, 1);
        ui->update();
    }
}

/* show a message that the SSL cert is being built
 * it is expected that this will be used during the boot phase */
void Screen::setWelcomeFrames()
{
    if (address_found.address) {
        // LOG_DEBUG("Show Welcome frames");
        static FrameCallback frames[] = {graphics::NotificationRenderer::NotificationRenderer::drawWelcomeScreen};
        setFrameImmediateDraw(frames);
    }
}

#ifdef USE_EINK
/// Determine which screensaver frame to use, then set the FrameCallback
void Screen::setScreensaverFrames(FrameCallback einkScreensaver)
{
    // Retain specified frame / overlay callback beyond scope of this method
    static FrameCallback screensaverFrame;
    static OverlayCallback screensaverOverlay;

#if defined(HAS_EINK_ASYNCFULL) && defined(USE_EINK_DYNAMICDISPLAY)
    // Join (await) a currently running async refresh, then run the post-update code.
    // Avoid skipping of screensaver frame. Would otherwise be handled by NotifiedWorkerThread.
    EINK_JOIN_ASYNCREFRESH(dispdev);
#endif

    // If: one-off screensaver frame passed as argument. Handles doDeepSleep()
    if (einkScreensaver != NULL) {
        screensaverFrame = einkScreensaver;
        ui->setFrames(&screensaverFrame, 1);
    }

    // Else, display the usual "overlay" screensaver
    else {
        screensaverOverlay = graphics::UIRenderer::drawScreensaverOverlay;
        ui->setOverlays(&screensaverOverlay, 1);
    }

    // Request new frame, ASAP
    setFastFramerate();
    uint64_t startUpdate;
    do {
        startUpdate = millis(); // Handle impossibly unlikely corner case of a millis() overflow..
        delay(1);
        ui->update();
    } while (ui->getUiState()->lastUpdate < startUpdate);

    // Old EInkDisplay class
#if !defined(USE_EINK_DYNAMICDISPLAY)
    static_cast<EInkDisplay *>(dispdev)->forceDisplay(0); // Screen::forceDisplay(), but override rate-limit
#endif

    // Prepare now for next frame, shown when display wakes
    ui->setOverlays(NULL, 0);  // Clear overlay
    setFrames(FOCUS_PRESERVE); // Return to normal display updates, showing same frame as before screensaver, ideally

    // Pick a refresh method, for when display wakes
#ifdef EINK_HASQUIRK_GHOSTING
    EINK_ADD_FRAMEFLAG(dispdev, COSMETIC); // Really ugly to see ghosting from "screen paused"
#else
    EINK_ADD_FRAMEFLAG(dispdev, RESPONSIVE); // Really nice to wake screen with a fast-refresh
#endif
}
#endif

// Regenerate the normal set of frames, focusing a specific frame if requested
// Called when a frame should be added / removed, or custom frames should be cleared
void Screen::setFrames(FrameFocus focus)
{
    uint8_t originalPosition = ui->getUiState()->currentFrame;
    FramesetInfo fsi; // Location of specific frames, for applying focus parameter

    LOG_DEBUG("Show standard frames");
    showingNormalScreen = true;

    indicatorIcons.clear();
#ifdef USE_EINK
    // If user has disabled the screensaver, warn them after boot
    static bool warnedScreensaverDisabled = false;
    if (config.display.screen_on_secs == 0 && !warnedScreensaverDisabled) {
        screen->print("Screensaver disabled\n");
        warnedScreensaverDisabled = true;
    }
#endif

    moduleFrames = MeshModule::GetMeshModulesWithUIFrames();
    LOG_DEBUG("Show %d module frames", moduleFrames.size());
#ifdef DEBUG_PORT
    int totalFrameCount = MAX_NUM_NODES + NUM_EXTRA_FRAMES + moduleFrames.size();
    LOG_DEBUG("Total frame count: %d", totalFrameCount);
#endif

    // We don't show the node info of our node (if we have it yet - we should)
    size_t numMeshNodes = nodeDB->getNumMeshNodes();
    if (numMeshNodes > 0)
        numMeshNodes--;

    size_t numframes = 0;

    // put all of the module frames first.
    // this is a little bit of a dirty hack; since we're going to call
    // the same drawModuleFrame handler here for all of these module frames
    // and then we'll just assume that the state->currentFrame value
    // is the same offset into the moduleFrames vector
    // so that we can invoke the module's callback
    for (auto i = moduleFrames.begin(); i != moduleFrames.end(); ++i) {
        // Draw the module frame, using the hack described above
        normalFrames[numframes] = drawModuleFrame;

        // Check if the module being drawn has requested focus
        // We will honor this request later, if setFrames was triggered by a UIFrameEvent
        MeshModule *m = *i;
        if (m->isRequestingFocus())
            fsi.positions.focusedModule = numframes;
        if (m == waypointModule)
            fsi.positions.waypoint = numframes;

        indicatorIcons.push_back(icon_module);
        numframes++;
    }

    LOG_DEBUG("Added modules.  numframes: %d", numframes);

    // If we have a critical fault, show it first
    fsi.positions.fault = numframes;
    if (error_code) {
        normalFrames[numframes++] = graphics::NotificationRenderer::NotificationRenderer::drawCriticalFaultFrame;
        indicatorIcons.push_back(icon_error);
        focus = FOCUS_FAULT; // Change our "focus" parameter, to ensure we show the fault frame
    }

#if defined(DISPLAY_CLOCK_FRAME)
    normalFrames[numframes++] = screen->digitalWatchFace ? &Screen::drawDigitalClockFrame : &Screen::drawAnalogClockFrame;
#endif

    // Declare this early so it’s available in FOCUS_PRESERVE block
    bool willInsertTextMessage = shouldDrawMessage(&devicestate.rx_text_message);

    if (willInsertTextMessage) {
        fsi.positions.textMessage = numframes;
        normalFrames[numframes++] = graphics::MessageRenderer::drawTextMessageFrame;
        indicatorIcons.push_back(icon_mail);
    }

    normalFrames[numframes++] = graphics::UIRenderer::drawDeviceFocused;
    indicatorIcons.push_back(icon_home);

#ifndef USE_EINK
    normalFrames[numframes++] = graphics::NodeListRenderer::drawDynamicNodeListScreen;
    indicatorIcons.push_back(icon_nodes);
#endif

// Show detailed node views only on E-Ink builds
#ifdef USE_EINK
    normalFrames[numframes++] = drawLastHeardScreen;
    indicatorIcons.push_back(icon_nodes);

    normalFrames[numframes++] = drawHopSignalScreen;
    indicatorIcons.push_back(icon_signal);

    normalFrames[numframes++] = drawDistanceScreen;
    indicatorIcons.push_back(icon_distance);
#endif

    normalFrames[numframes++] = drawNodeListWithCompasses;
    indicatorIcons.push_back(icon_list);

    normalFrames[numframes++] = graphics::UIRenderer::drawCompassAndLocationScreen;
    indicatorIcons.push_back(icon_compass);

    normalFrames[numframes++] = graphics::DebugRenderer::drawLoRaFocused;
    indicatorIcons.push_back(icon_radio);

    if (!dismissedFrames.memory) {
        fsi.positions.memory = numframes;
        normalFrames[numframes++] = graphics::DebugRenderer::drawMemoryUsage;
        indicatorIcons.push_back(icon_memory);
    }

    for (size_t i = 0; i < nodeDB->getNumMeshNodes(); i++) {
        meshtastic_NodeInfoLite *n = nodeDB->getMeshNodeByIndex(i);
        if (n && n->num != nodeDB->getNodeNum() && n->is_favorite) {
            normalFrames[numframes++] = graphics::UIRenderer::drawNodeInfo;
            indicatorIcons.push_back(icon_node);
        }
    }

    // then the debug info

    // Since frames are basic function pointers, we have to use a helper to
    // call a method on debugInfo object.
    // fsi.positions.log = numframes;
    // normalFrames[numframes++] = graphics::DebugRenderer::drawDebugInfoTrampoline;

    // call a method on debugInfoScreen object (for more details)
    // fsi.positions.settings = numframes;
    // normalFrames[numframes++] = graphics::DebugRenderer::drawDebugInfoSettingsTrampoline;

#if HAS_WIFI && !defined(ARCH_PORTDUINO)
    if (!dismissedFrames.wifi && isWifiAvailable()) {
        fsi.positions.wifi = numframes;
        normalFrames[numframes++] = graphics::DebugRenderer::drawDebugInfoWiFiTrampoline;
        indicatorIcons.push_back(icon_wifi);
    }
#endif

    fsi.frameCount = numframes;   // Total framecount is used to apply FOCUS_PRESERVE
    this->frameCount = numframes; // ✅ Save frame count for use in custom overlay
    LOG_DEBUG("Finished build frames. numframes: %d", numframes);

    ui->setFrames(normalFrames, numframes);
    ui->disableAllIndicators();

    // Add overlays: frame icons and alert banner)
    static OverlayCallback overlays[] = {graphics::UIRenderer::drawNavigationBar,
                                         graphics::NotificationRenderer::NotificationRenderer::drawAlertBannerOverlay};
    ui->setOverlays(overlays, sizeof(overlays) / sizeof(overlays[0]));

    prevFrame = -1; // Force drawNodeInfo to pick a new node (because our list
                    // just changed)

    // Focus on a specific frame, in the frame set we just created
    switch (focus) {
    case FOCUS_DEFAULT:
        ui->switchToFrame(fsi.positions.deviceFocused);
        break;
    case FOCUS_FAULT:
        ui->switchToFrame(fsi.positions.fault);
        break;
    case FOCUS_TEXTMESSAGE:
        hasUnreadMessage = false; // ✅ Clear when message is *viewed*
        ui->switchToFrame(fsi.positions.textMessage);
        break;
    case FOCUS_MODULE:
        // Whichever frame was marked by MeshModule::requestFocus(), if any
        // If no module requested focus, will show the first frame instead
        ui->switchToFrame(fsi.positions.focusedModule);
        break;

    case FOCUS_PRESERVE:
        // No more adjustment — force stay on same index
        if (originalPosition < fsi.frameCount)
            ui->switchToFrame(originalPosition);
        else
            ui->switchToFrame(fsi.frameCount - 1);
        break;
    }

    // Store the info about this frameset, for future setFrames calls
    this->framesetInfo = fsi;

    setFastFramerate(); // Draw ASAP
}

void Screen::setFrameImmediateDraw(FrameCallback *drawFrames)
{
    ui->disableAllIndicators();
    ui->setFrames(drawFrames, 1);
    setFastFramerate();
}

// Dismisses the currently displayed screen frame, if possible
// Relevant for text message, waypoint, others in future?
// Triggered with a CardKB keycombo
void Screen::dismissCurrentFrame()
{
    uint8_t currentFrame = ui->getUiState()->currentFrame;
    bool dismissed = false;

    if (currentFrame == framesetInfo.positions.textMessage && devicestate.has_rx_text_message) {
        LOG_INFO("Dismiss Text Message");
        devicestate.has_rx_text_message = false;
        memset(&devicestate.rx_text_message, 0, sizeof(devicestate.rx_text_message));
        dismissedFrames.textMessage = true;
        dismissed = true;
    } else if (currentFrame == framesetInfo.positions.waypoint && devicestate.has_rx_waypoint) {
        LOG_DEBUG("Dismiss Waypoint");
        devicestate.has_rx_waypoint = false;
        dismissedFrames.waypoint = true;
        dismissed = true;
    } else if (currentFrame == framesetInfo.positions.wifi) {
        LOG_DEBUG("Dismiss WiFi Screen");
        dismissedFrames.wifi = true;
        dismissed = true;
    } else if (currentFrame == framesetInfo.positions.memory) {
        LOG_INFO("Dismiss Memory");
        dismissedFrames.memory = true;
        dismissed = true;
    }

    if (dismissed) {
        setFrames(FOCUS_DEFAULT); // You could also use FOCUS_PRESERVE
    }
}

void Screen::handleStartFirmwareUpdateScreen()
{
    LOG_DEBUG("Show firmware screen");
    showingNormalScreen = false;
    EINK_ADD_FRAMEFLAG(dispdev, DEMAND_FAST); // E-Ink: Explicitly use fast-refresh for next frame

    static FrameCallback frames[] = {graphics::NotificationRenderer::NotificationRenderer::drawFrameFirmware};
    setFrameImmediateDraw(frames);
}

void Screen::blink()
{
    setFastFramerate();
    uint8_t count = 10;
    dispdev->setBrightness(254);
    while (count > 0) {
        dispdev->fillRect(0, 0, dispdev->getWidth(), dispdev->getHeight());
        dispdev->display();
        delay(50);
        dispdev->clear();
        dispdev->display();
        delay(50);
        count = count - 1;
    }
    // The dispdev->setBrightness does not work for t-deck display, it seems to run the setBrightness function in OLEDDisplay.
    dispdev->setBrightness(brightness);
}

void Screen::increaseBrightness()
{
    brightness = ((brightness + 62) > 254) ? brightness : (brightness + 62);

#if defined(ST7789_CS)
    // run the setDisplayBrightness function. This works on t-decks
    static_cast<TFTDisplay *>(dispdev)->setDisplayBrightness(brightness);
#endif

    /* TO DO: add little popup in center of screen saying what brightness level it is set to*/
}

void Screen::decreaseBrightness()
{
    brightness = (brightness < 70) ? brightness : (brightness - 62);

#if defined(ST7789_CS)
    static_cast<TFTDisplay *>(dispdev)->setDisplayBrightness(brightness);
#endif

    /* TO DO: add little popup in center of screen saying what brightness level it is set to*/
}

void Screen::setFunctionSymbol(std::string sym)
{
    if (std::find(functionSymbol.begin(), functionSymbol.end(), sym) == functionSymbol.end()) {
        functionSymbol.push_back(sym);
        functionSymbolString = "";
        for (auto symbol : functionSymbol) {
            functionSymbolString = symbol + " " + functionSymbolString;
        }
        setFastFramerate();
    }
}

void Screen::removeFunctionSymbol(std::string sym)
{
    functionSymbol.erase(std::remove(functionSymbol.begin(), functionSymbol.end(), sym), functionSymbol.end());
    functionSymbolString = "";
    for (auto symbol : functionSymbol) {
        functionSymbolString = symbol + " " + functionSymbolString;
    }
    setFastFramerate();
}

std::string Screen::drawTimeDelta(uint32_t days, uint32_t hours, uint32_t minutes, uint32_t seconds)
{
    std::string uptime;

    if (days > (hours_in_month * 6))
        uptime = "?";
    else if (days >= 2)
        uptime = std::to_string(days) + "d";
    else if (hours >= 2)
        uptime = std::to_string(hours) + "h";
    else if (minutes >= 1)
        uptime = std::to_string(minutes) + "m";
    else
        uptime = std::to_string(seconds) + "s";
    return uptime;
}

void Screen::handlePrint(const char *text)
{
    // the string passed into us probably has a newline, but that would confuse the logging system
    // so strip it
    LOG_DEBUG("Screen: %.*s", strlen(text) - 1, text);
    if (!useDisplay || !showingNormalScreen)
        return;

    dispdev->print(text);
}

void Screen::handleOnPress()
{
    // If Canned Messages is using the "Scan and Select" input, dismiss the canned message frame when user button is pressed
    // Minimize impact as a courtesy, as "scan and select" may be used as default config for some boards
    if (scanAndSelectInput != nullptr && scanAndSelectInput->dismissCannedMessageFrame())
        return;

    // If screen was off, just wake it, otherwise advance to next frame
    // If we are in a transition, the press must have bounced, drop it.
    if (ui->getUiState()->frameState == FIXED) {
        ui->nextFrame();
        lastScreenTransition = millis();
        setFastFramerate();
    }
}

void Screen::handleShowPrevFrame()
{
    // If screen was off, just wake it, otherwise go back to previous frame
    // If we are in a transition, the press must have bounced, drop it.
    if (ui->getUiState()->frameState == FIXED) {
        ui->previousFrame();
        lastScreenTransition = millis();
        setFastFramerate();
    }
}

void Screen::handleShowNextFrame()
{
    // If screen was off, just wake it, otherwise advance to next frame
    // If we are in a transition, the press must have bounced, drop it.
    if (ui->getUiState()->frameState == FIXED) {
        ui->nextFrame();
        lastScreenTransition = millis();
        setFastFramerate();
    }
}

#ifndef SCREEN_TRANSITION_FRAMERATE
#define SCREEN_TRANSITION_FRAMERATE 30 // fps
#endif

void Screen::setFastFramerate()
{
    // We are about to start a transition so speed up fps
    targetFramerate = SCREEN_TRANSITION_FRAMERATE;

    ui->setTargetFPS(targetFramerate);
    setInterval(0); // redraw ASAP
    runASAP = true;
}

int Screen::handleStatusUpdate(const meshtastic::Status *arg)
{
    // LOG_DEBUG("Screen got status update %d", arg->getStatusType());
    switch (arg->getStatusType()) {
    case STATUS_TYPE_NODE:
        if (showingNormalScreen && nodeStatus->getLastNumTotal() != nodeStatus->getNumTotal()) {
            setFrames(FOCUS_PRESERVE); // Regen the list of screen frames (returning to same frame, if possible)
        }
        nodeDB->updateGUI = false;
        break;
    }

    return 0;
}

// Handles when message is received; will jump to text message frame.
int Screen::handleTextMessage(const meshtastic_MeshPacket *packet)
{
    if (showingNormalScreen) {
        if (packet->from == 0) {
            // Outgoing message (likely sent from phone)
            devicestate.has_rx_text_message = false;
            memset(&devicestate.rx_text_message, 0, sizeof(devicestate.rx_text_message));
            dismissedFrames.textMessage = true;
            hasUnreadMessage = false; // Clear unread state when user replies

            setFrames(FOCUS_PRESERVE); // Stay on same frame, silently update frame list
        } else {
            // Incoming message
            devicestate.has_rx_text_message = true; // Needed to include the message frame
            hasUnreadMessage = true;                // Enables mail icon in the header
            setFrames(FOCUS_PRESERVE);              // Refresh frame list without switching view
            forceDisplay();                         // Forces screen redraw

            // === Prepare banner content ===
            const meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(packet->from);
            const char *longName = (node && node->has_user) ? node->user.long_name : nullptr;

            const char *msgRaw = reinterpret_cast<const char *>(packet->decoded.payload.bytes);
            String msg = String(msgRaw);
            msg.trim(); // Remove leading/trailing whitespace/newlines

            String banner;

            // Match bell character or exact alert text
            if (msg.indexOf("\x07") != -1) {
                banner = "Alert Received";
            } else {
                banner = "New Message";
            }

            if (longName && longName[0]) {
                banner += "\nfrom ";
                banner += longName;
            }

            screen->showOverlayBanner(banner, 3000);
        }
    }

    return 0;
}

// Triggered by MeshModules
int Screen::handleUIFrameEvent(const UIFrameEvent *event)
{
    if (showingNormalScreen) {
        // Regenerate the frameset, potentially honoring a module's internal requestFocus() call
        if (event->action == UIFrameEvent::Action::REGENERATE_FRAMESET)
            setFrames(FOCUS_MODULE);

        // Regenerate the frameset, while Attempt to maintain focus on the current frame
        else if (event->action == UIFrameEvent::Action::REGENERATE_FRAMESET_BACKGROUND)
            setFrames(FOCUS_PRESERVE);

        // Don't regenerate the frameset, just re-draw whatever is on screen ASAP
        else if (event->action == UIFrameEvent::Action::REDRAW_ONLY)
            setFastFramerate();
    }

    return 0;
}

int Screen::handleInputEvent(const InputEvent *event)
{

#if defined(DISPLAY_CLOCK_FRAME)
    // For the T-Watch, intercept touches to the 'toggle digital/analog watch face' button
    uint8_t watchFaceFrame = error_code ? 1 : 0;

    if (this->ui->getUiState()->currentFrame == watchFaceFrame && event->touchX >= 204 && event->touchX <= 240 &&
        event->touchY >= 204 && event->touchY <= 240) {
        screen->digitalWatchFace = !screen->digitalWatchFace;

        setFrames();

        return 0;
    }
#endif

    // Use left or right input from a keyboard to move between frames,
    // so long as a mesh module isn't using these events for some other purpose
    if (showingNormalScreen) {

        // Ask any MeshModules if they're handling keyboard input right now
        bool inputIntercepted = false;
        for (MeshModule *module : moduleFrames) {
            if (module->interceptingKeyboardInput())
                inputIntercepted = true;
        }

        // If no modules are using the input, move between frames
        if (!inputIntercepted) {
            if (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT))
                showPrevFrame();
            else if (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT))
                showNextFrame();
        }
    }

    return 0;
}

int Screen::handleAdminMessage(const meshtastic_AdminMessage *arg)
{
    switch (arg->which_payload_variant) {
    // Node removed manually (i.e. via app)
    case meshtastic_AdminMessage_remove_by_nodenum_tag:
        setFrames(FOCUS_PRESERVE);
        break;

    // Default no-op, in case the admin message observable gets used by other classes in future
    default:
        break;
    }
    return 0;
}

} // namespace graphics
#else
graphics::Screen::Screen(ScanI2C::DeviceAddress, meshtastic_Config_DisplayConfig_OledType, OLEDDISPLAY_GEOMETRY) {}
#endif // HAS_SCREEN