Implement submenus for parts (or at least the ability to have those).

midi2cv/config.h

@@ -0,0 +1,3 @@
+#pragma once
+
+#define PART_COUNT (4)

midi2cv/makefile

@@ -41,6 +41,7 @@ TARGET         = midi2cv
 PACKAGES       = midi2cv \
                  midi2cv/drivers \
                  midi2cv/menu \
+                 midi2cv/ui \
                  stmlib/utils \
                  stmlib/system
 RESOURCES      = midi2cv/resources

midi2cv/menu/menu.cc

@@ -22,7 +22,7 @@ void Menu::render(u8g2_t* u8g2_, uint8_t xStart, uint8_t yStart, uint8_t width,
 
     u8g2_SetDrawColor(u8g2_, selected ? 1 : 0);
 
-    if(editing) {
+    if (editing) {
       u8g2_DrawFrame(u8g2_, xStart, yPosition, width, MENU_ITEM_HEIGHT);
     } else if (selected) {
       u8g2_DrawBox(u8g2_, xStart, yPosition, width, MENU_ITEM_HEIGHT);
@@ -69,11 +69,22 @@ void Menu::down()
   }
 }
 
-void Menu::enter()
+bool Menu::enter()
 {
   if (this->currentEditingItem >= 0) {
     this->currentEditingItem = -1;
-    return;
+    return true;
   }
   this->currentEditingItem = this->selectedItem;
+  return false;
 }
+
+bool Menu::back()
+{
+  if (this->currentEditingItem >= 0) {
+    this->currentEditingItem = -1;
+    return false;
+  }
+  return true;
+}
+

midi2cv/menu/menu.h

@@ -25,7 +25,8 @@ class Menu {
 
   void up();
   void down();
-  void enter();
+  bool back(); // returns true true if nothing happened here and the action can be delegated to up
+  bool enter(); // returns true if it wants to give up control
 
   void add_item(AbstractMenuItem* item)
   {

midi2cv/midi2cv.cc

@@ -8,6 +8,7 @@
 #include "part.h"
 #include "stmlib/system/system_clock.h"
 #include "ui.h"
+#include "config.h"
 
 using namespace stmlib;
 

midi2cv/part.h

@@ -3,8 +3,6 @@
 
 #include <inttypes.h>
 
-#define PART_COUNT 4
-
 #define TOTAL_COLUMN_COUNT 4
 
 typedef enum { MIDI_THRU_OFF,

midi2cv/ui.cc

@@ -1,4 +1,5 @@
 #include "ui.h"
+#include "ui/main_menu.h"
 #include "drivers/display.h"
 #include "midi2cv/drivers/encoder.h"
 #include "midi2cv/menu/menu.h"
@@ -12,28 +13,11 @@ using namespace stmlib;
 #define HEADER_HEIGHT 14
 const uint32_t kEncoderLongPressTime = 600;
 
-const char part_names[4][2] = { "A", "B", "C", "D" };
-
-Menu menu(128, 64);
-UIntMenuItem item1("wolfgang", 0, 0, 100, 1);
-UIntMenuItem item2("joerg", 0, 0, 100, 1);
-UIntMenuItem item3("ralle", 0, 0, 100, 1);
-UIntMenuItem item4("ralle1", 0, 0, 100, 1);
-UIntMenuItem item5("ralle2", 0, 0, 100, 1);
-UIntMenuItem item6("ralle3", 0, 0, 100, 1);
-FloatMenuItem item7("ralle4", 0, 0, 100, .25f);
+MainMenu mainMenu;
 
 void UI::Init()
 {
   input_queue.Init();
-
-  menu.add_item((AbstractMenuItem*)&item1);
-  menu.add_item((AbstractMenuItem*)&item2);
-  menu.add_item((AbstractMenuItem*)&item3);
-  menu.add_item((AbstractMenuItem*)&item4);
-  menu.add_item((AbstractMenuItem*)&item5);
-  menu.add_item((AbstractMenuItem*)&item6);
-  menu.add_item((AbstractMenuItem*)&item7);
 }
 
 void UI::Poll()
@@ -67,44 +51,11 @@ void UI::Draw()
 {
   u8g2_ClearBuffer(display.u8g2());
 
-  switch (current_menu) {
-  case MENU_PART_1:
-  case MENU_PART_2:
-  case MENU_PART_3:
-  case MENU_PART_4:
-    DrawHeader();
-    //DrawPartMenu(current_menu);
-    menu.render(display.u8g2(), 0, 15, 128, 64 - 15);
-    break;
-  default:
-
-    break;
-  }
+  mainMenu.render(display.u8g2(), 0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT);
 
   display.Swap();
 }
 
-void UI::DrawHeader()
-{
-  u8g2_SetFont(display.u8g2(), u8g2_font_6x12_tf);
-  for (int i = 0; i < PART_COUNT; i++) {
-    u8g2_SetFontMode(display.u8g2(), 1);
-    u8g2_SetDrawColor(display.u8g2(), 1);
-    if (current_menu == i)
-      u8g2_DrawBox(display.u8g2(), i * (DISPLAY_WIDTH / PART_COUNT), 0, (DISPLAY_WIDTH / PART_COUNT) - 1, HEADER_HEIGHT);
-    else
-      u8g2_DrawFrame(display.u8g2(), i * (DISPLAY_WIDTH / PART_COUNT), 0, (DISPLAY_WIDTH / PART_COUNT) - 1, HEADER_HEIGHT);
-
-    u8g2_SetDrawColor(display.u8g2(), 2);
-    u8g2_DrawStr(display.u8g2(), i * (DISPLAY_WIDTH / PART_COUNT) + 5, 0 + 10, part_names[i]);
-    u8g2_SetDrawColor(display.u8g2(), 1);
-  }
-}
-
-void UI::DrawPartMenu(Menu_t menu)
-{
-}
-
 void UI::Flush()
 {
   display.Flush();
@@ -139,18 +90,19 @@ bool UI::DoEvents()
 
 void UI::OnClick()
 {
-  menu.enter();
+  mainMenu.enter();
 }
 
 void UI::OnLongClick()
 {
+  mainMenu.back();
 }
 
 void UI::OnIncrement(Event& e)
 {
   if (e.data > 0)
-    menu.down();
+    mainMenu.down();
   else
-    menu.up();
+    mainMenu.up();
   //current_menu = (Menu_t) (((uint32_t)current_menu + e.data) % MENU_COUNT);
 }

midi2cv/ui.h

@@ -32,8 +32,6 @@ class UI {
   uint32_t encoder_press_time_;
 
   void Draw();
-  void DrawHeader();
-  void DrawPartMenu(Menu_t menu);
 
   void OnClick();
   void OnLongClick();

midi2cv/ui/main_menu.cc

@@ -0,0 +1,70 @@
+#include "main_menu.h"
+#include "stmlib/stmlib.h"
+#include <u8g2.h>
+
+const int kHeaderHeight = 13;
+const char* kPartNames[] = { "A", "B", "C", "D" };
+
+void MainMenu::back()
+{
+  if (this->activePartMenu >= 0) {
+    if (this->partMenus[this->activePartMenu].back())
+      this->activePartMenu = -1;
+  }
+}
+
+void MainMenu::enter()
+{
+  if (this->activePartMenu >= 0) {
+    if (this->partMenus[this->activePartMenu].enter())
+      this->activePartMenu = -1;
+  } else {
+    this->activePartMenu = this->selectedPart;
+  }
+}
+
+void MainMenu::up()
+{
+  if (this->activePartMenu >= 0) {
+    this->partMenus[this->activePartMenu].up();
+  } else {
+    this->selectedPart--;
+    CONSTRAIN(this->selectedPart, 0, PART_COUNT - 1);
+  }
+}
+
+void MainMenu::down()
+{
+  if (this->activePartMenu >= 0) {
+    this->partMenus[this->activePartMenu].down();
+  } else {
+    this->selectedPart++;
+    CONSTRAIN(this->selectedPart, 0, PART_COUNT - 1);
+  }
+}
+
+void MainMenu::render(u8g2_t* u8g2, int x, int y, int width, int height)
+{
+  u8g2_SetFont(u8g2, /*u8g2_font_5x8_tf*/ u8g2_font_pcsenior_8u);
+  for (int i = 0; i < PART_COUNT; i++) {
+    u8g2_SetFontMode(u8g2, 1);
+    u8g2_SetDrawColor(u8g2, 1);
+
+    if (this->selectedPart == i) {
+      if (this->activePartMenu == i) {
+        u8g2_DrawBox(u8g2, x + 1 + i * (width / PART_COUNT), y + 1, (width / PART_COUNT) - 3, kHeaderHeight - 2);
+      } else {
+        u8g2_DrawFrame(u8g2, x + 1 + i * (width / PART_COUNT), y + 1, (width / PART_COUNT) - 3, kHeaderHeight - 2);
+        u8g2_DrawFrame(u8g2, x + i * (width / PART_COUNT), y, (width / PART_COUNT) - 1, kHeaderHeight);
+      }
+    } else {
+      u8g2_DrawFrame(u8g2, x + 1 + i * (width / PART_COUNT), y + 1, (width / PART_COUNT) - 3, kHeaderHeight - 2);
+    }
+
+    u8g2_SetDrawColor(u8g2, 2);
+    u8g2_DrawStr(u8g2, x + i * (width / PART_COUNT) + 5, y + 9, kPartNames[i]);
+    u8g2_SetDrawColor(u8g2, 1);
+  }
+
+  this->partMenus[this->selectedPart].render(u8g2, x, y + kHeaderHeight, width, height - kHeaderHeight);
+}

midi2cv/ui/main_menu.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "../config.h"
+#include "part_menu.h"
+#include <u8g2.h>
+
+class MainMenu {
+  public:
+  void back();
+  void enter();
+  void up();
+  void down();
+
+  void render(u8g2_t* u8g2, int x, int y, int width, int height);
+
+  MainMenu()
+      : activePartMenu(-1)
+      , selectedPart(0) {};
+
+  private:
+  PartMenu partMenus[PART_COUNT];
+  int activePartMenu;
+
+  int selectedPart;
+};

midi2cv/ui/part_menu.cc

@@ -0,0 +1,47 @@
+#include "part_menu.h"
+#include "../menu/menu.h"
+#include "../menu/menu_items.h"
+#include <u8g2.h>
+
+PartMenu::PartMenu()
+    : menu(128, 64)
+    , item1("wolle", 0, 0, 100, 1)
+    , item2("petry", 0, 0, 100, 1)
+    , item3("schale", 0, 0, 100, 1)
+    , item4("eine", 0, 0, 100, 1)
+    , item5("schale?", 0, 0, 100, 1)
+{
+  this->menu.add_item(&this->item1);
+  this->menu.add_item(&this->item2);
+  this->menu.add_item(&this->item3);
+  this->menu.add_item(&this->item4);
+  this->menu.add_item(&this->item5);
+}
+
+void PartMenu::up()
+{
+  menu.up();
+}
+
+void PartMenu::down()
+{
+  menu.down();
+}
+
+bool PartMenu::back()
+{
+  if (menu.back())
+    return true;
+  return false;
+}
+
+bool PartMenu::enter()
+{
+  menu.enter();
+  return false;
+}
+
+void PartMenu::render(u8g2_t* u8g2, int x, int y, int width, int height)
+{
+  menu.render(u8g2, x, y, width, height);
+}

midi2cv/ui/part_menu.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "../menu/menu.h"
+#include "../menu/menu_items.h"
+#include <u8g2.h>
+
+class PartMenu {
+  public:
+  PartMenu();
+
+  bool enter();
+  bool back();
+  void up();
+  void down();
+
+  void render(u8g2_t* u8g2, int x, int y, int width, int height);
+
+  private:
+  Menu menu;
+  UIntMenuItem item1;
+  UIntMenuItem item2;
+  UIntMenuItem item3;
+  UIntMenuItem item4;
+  UIntMenuItem item5;
+};