[chronojump/michrolab] Added menus.ino (left untracked in commit dc60c656669f2eaf31c31b296242a8171fe4b9bc)

[Xavier Padullés <xpadulles src gnome org>]

commit be60b323d2767666d04b3e80ed73cb45f3af57a4
Author: Xavier Padullés <testing chronojump org>
Date:   Wed May 25 14:51:32 2022 +0200

    Added menus.ino (left untracked in commit dc60c656669f2eaf31c31b296242a8171fe4b9bc)

 arduino/michrolab/menus.ino | 76 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
---
diff --git a/arduino/michrolab/menus.ino b/arduino/michrolab/menus.ino
new file mode 100644
index 000000000..a01edface
--- /dev/null
+++ b/arduino/michrolab/menus.ino
@@ -0,0 +1,76 @@
+
+//Manages the current menu
+void showMenu()
+{
+    //The blue button navigates through the Menu options
+    blueButton.update();
+    if (blueButton.fallingEdge()) {
+      currentMenuIndex++;
+      currentMenuIndex = currentMenuIndex % menuItemsNum;
+      showMenuEntry(currentMenuIndex);
+    }
+
+    //The red button activates the menu option
+    redButton.update();
+    if (redButton.fallingEdge())
+    {
+      PcControlled = false;
+      currentMenu[currentMenuIndex].function();
+    }
+}
+
+//Exits the currentMenu and sets the currentMenu to mainMenu
+void backMenu(void)
+{
+  currentMenuIndex = 0;
+  drawMenuBackground();
+  currentMenuIndex = 0;
+  for (int i = 0; i< 10; i++){
+    currentMenu[i].title = mainMenu[i].title;
+    currentMenu[i].description = mainMenu[i].description;
+    currentMenu[i].function = mainMenu[i].function;
+  }
+  menuItemsNum = 6;
+  showMenuEntry(currentMenuIndex);
+  showMenu();
+}
+
+//Erases screen and draw the left and right buttons in the upper part of screen
+void drawMenuBackground() {
+  tft.fillScreen(BLACK);
+  tft.fillRoundRect(0, 0, 30, 50, 10, WHITE);
+  tft.fillRoundRect(290, 0, 30, 50, 10, WHITE);
+  tft.setCursor(30, 20);
+}
+
+//Set the currentMenu to systemMenu and shows it
+void showSystemMenu(void)
+{
+  drawMenuBackground();
+  currentMenuIndex = 0;
+  for (int i = 0; i< 10; i++){
+    currentMenu[i].title = systemMenu[i].title;
+    currentMenu[i].description = systemMenu[i].description;
+    currentMenu[i].function = systemMenu[i].function;
+  }
+  menuItemsNum = systemMenuItems;
+  showMenuEntry(currentMenuIndex);
+  //showMenu();
+}
+
+//shows the current entry of the current menu
+void showMenuEntry(unsigned int currentMenuIndex)
+{
+  tft.fillRect(30, 0, 260, 50, BLACK);
+  tft.setCursor(40, 20);
+  tft.setTextSize(3);
+  tft.print(currentMenu[currentMenuIndex].title);
+
+  tft.setTextSize(2);
+  tft.setCursor(12, 100);
+  tft.setTextColor(BLACK);
+  tft.print(currentMenu[(currentMenuIndex + menuItemsNum - 1) % menuItemsNum].description);
+  tft.setTextColor(WHITE);
+  tft.setCursor(12, 100);
+  tft.print(currentMenu[currentMenuIndex].description);
+}