add new ClockScreenSaver

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/components/insa/src/ui/ClockScreenSaver.cpp

@@ -0,0 +1,122 @@
+#include "ui/ClockScreenSaver.h"
+#include <cstring>
+#include <ctime>
+
+ClockScreenSaver::ClockScreenSaver(menu_options_t *options)
+    : Widget(options->u8g2), m_options(options), m_moveTimer(0), m_posX(0), m_posY(0), m_velocityX(X_VELOCITY),
+      m_velocityY(Y_VELOCITY), m_textWidth(0), m_textHeight(0)
+{
+    initPosition();
+}
+
+void ClockScreenSaver::initPosition()
+{
+    // Start in the center of the screen
+    updateTextDimensions();
+    m_posX = (u8g2->width - m_textWidth) / 2;
+    m_posY = (u8g2->height - m_textHeight) / 2;
+
+    // Set initial velocity
+    m_velocityX = X_VELOCITY;
+    m_velocityY = Y_VELOCITY;
+}
+
+void ClockScreenSaver::updateTextDimensions()
+{
+    char timeBuffer[32];
+    getCurrentTimeString(timeBuffer, sizeof(timeBuffer));
+
+    // Set font (use a large font for better visibility)
+    u8g2_SetFont(u8g2, FONT);
+
+    // Calculate text dimensions
+    m_textWidth = u8g2_GetStrWidth(u8g2, timeBuffer);
+    m_textHeight = u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2);
+}
+
+void ClockScreenSaver::getCurrentTimeString(char *buffer, size_t bufferSize) const
+{
+    time_t rawtime;
+    struct tm *timeinfo;
+
+    time(&rawtime);
+    timeinfo = localtime(&rawtime);
+
+    // Format time as HH:MM:SS
+    strftime(buffer, bufferSize, "%H:%M:%S", timeinfo);
+}
+
+void ClockScreenSaver::update(const uint64_t dt)
+{
+    m_moveTimer += dt;
+
+    // Move the clock position at regular intervals
+    if (m_moveTimer > MOVE_INTERVAL)
+    {
+        m_moveTimer = 0;
+
+        // Update text dimensions (in case time format changes)
+        updateTextDimensions();
+
+        // Update position
+        m_posX += m_velocityX;
+        m_posY += m_velocityY;
+
+        // Check for collisions with screen boundaries
+        checkBoundaryCollision();
+    }
+}
+
+void ClockScreenSaver::checkBoundaryCollision()
+{
+    // Check horizontal boundaries
+    if (m_posX <= TEXT_PADDING)
+    {
+        m_posX = TEXT_PADDING;
+        m_velocityX = X_VELOCITY; // Bounce right
+    }
+    else if (m_posX + m_textWidth >= u8g2->width - TEXT_PADDING)
+    {
+        m_posX = u8g2->width - m_textWidth - TEXT_PADDING;
+        m_velocityX = -X_VELOCITY; // Bounce left
+    }
+
+    // Check vertical boundaries
+    if (m_posY <= TEXT_PADDING + m_textHeight)
+    {
+        m_posY = TEXT_PADDING + m_textHeight;
+        m_velocityY = Y_VELOCITY; // Bounce down
+    }
+    else if (m_posY >= u8g2->height - TEXT_PADDING)
+    {
+        m_posY = u8g2->height - TEXT_PADDING;
+        m_velocityY = -Y_VELOCITY; // Bounce up
+    }
+}
+
+void ClockScreenSaver::render()
+{
+    // Clear screen with a black background
+    u8g2_SetDrawColor(u8g2, 0);
+    u8g2_DrawBox(u8g2, 0, 0, u8g2->width, u8g2->height);
+    u8g2_SetDrawColor(u8g2, 1);
+
+    // Get current time
+    char timeBuffer[32];
+    getCurrentTimeString(timeBuffer, sizeof(timeBuffer));
+
+    // Set font
+    u8g2_SetFont(u8g2, FONT);
+
+    // Draw the time at current position
+    u8g2_DrawStr(u8g2, m_posX, m_posY, timeBuffer);
+}
+
+void ClockScreenSaver::onButtonClicked(ButtonType button)
+{
+    // Exit screensaver on any button press
+    if (m_options && m_options->popScreen)
+    {
+        m_options->popScreen();
+    }
+}