first commit

test/test_swipe.c

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+#include "../common/device.h"
+#include "../button/button.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(void)
+{
+    device_init();
+    fb_clear();
+
+    /* Create 2 test buttons */
+    button_t btn1, btn2;
+    button_init(&btn1, 200, 300, 160, 80, RGB(255, 255, 255), RGB(0, 0, 0));
+    button_init(&btn2, 600, 300, 160, 80, RGB(255, 255, 255), RGB(0, 0, 0));
+
+    printf("=== Swipe + Button Test ===\n");
+    printf("Left button = learn toggle, Right button = quit\n");
+    printf("Swipe left/right to change button color.\n\n");
+
+    int running = 1;
+    while (running)
+    {
+        fb_clear();
+
+        /* Check swipe */
+        int dir = get_touch_dir();
+        switch (dir)
+        {
+        case 3:
+            printf("LEFT swipe\n");
+            btn1.bg_color = RGB(255, 200, 200);
+            break;
+        case 4:
+            printf("RIGHT swipe\n");
+            btn1.bg_color = RGB(200, 200, 255);
+            break;
+        case 0:
+            break;
+        default:
+            btn1.bg_color = RGB(255, 255, 255);
+        }
+
+        /* Check touch for buttons via ts_read */
+        int sx, sy, touching;
+        while (ts_read(&sx, &sy, &touching) > 0)
+        {
+            if (touching && button_hit(&btn1, sx, sy))
+            {
+                printf("BTN1 pressed\n");
+                button_set_learned(&btn1, !btn1.learned);
+            }
+            if (touching && button_hit(&btn2, sx, sy))
+            {
+                printf("BTN2 pressed → quit\n");
+                running = 0;
+            }
+        }
+
+        btn1.bg_color = btn1.learned ? RGB(200, 255, 200) : btn1.bg_color;
+        button_draw(&btn1);
+        button_draw(&btn2);
+    }
+
+    device_deinit();
+    return 0;
+}