large refactor

src/status.hpp

@@ -0,0 +1,65 @@
+#ifndef _STATUS_H_
+#define _STATUS_H_
+
+#define LGFX_AUTODETECT
+#include <LovyanGFX.hpp>
+
+class Status
+{
+public:
+    Status(String value) : value{value}
+    {
+        old_length = value.length();
+    }
+
+    ~Status() = default;
+
+    void set(String value)
+    {
+        old_length = this->value.length();
+        this->value = value;
+        dirty = true;
+    }
+
+    void draw(LGFX *canvas)
+    {
+        if (!dirty)
+        {
+            return;
+        }
+        dirty = false;
+
+        float MARGIN = 10.0;
+
+        canvas->setTextSize(3.0);
+
+        int bg_color = TFT_WHITE;
+        int fg_color = TFT_BLACK;
+
+        float old_x = canvas->width() - (canvas->fontWidth() * old_length) - MARGIN;
+        float new_x = canvas->width() - (canvas->fontWidth() * value.length()) - MARGIN;
+        float new_y = canvas->height() - canvas->fontHeight() - MARGIN;
+
+        canvas->setEpdMode(epd_fastest);
+        canvas->setColor(bg_color);
+
+        canvas->fillRect(old_x, new_y, canvas->width() - old_x, canvas->height() - new_y);
+        canvas->waitDisplay();
+        canvas->setColor(fg_color);
+
+        canvas->setEpdMode(epd_text);
+        canvas->setBaseColor(bg_color);
+        canvas->setTextColor(fg_color);
+        canvas->setCursor(new_x, new_y);
+        canvas->print(value);
+    }
+
+private:
+    LGFX *canvas;
+    String value;
+    int old_length = 0;
+
+    bool dirty = true;
+};
+
+#endif