1 files changed, 126 insertions, 0 deletions
diff --git a/arm9/src/list_menu.c b/arm9/src/list_menu.c
new file mode 100644
index 00000000..6d440ad1
--- /dev/null
+++ b/arm9/src/list_menu.c
@@ -0,0 +1,126 @@
+#include "global.h"
+#include "heap.h"
+#include "main.h"
+#include "list_menu.h"
+
+extern void * FUN_02013690(u32 heap_id);
+extern void CreateListMenuCursorObj(void *, u32);
+extern void DestroyListMenuCursorObj(void *);
+extern void FillWindowPixelBuffer(struct Window *, u32);
+void ListMenuPrintEntries(struct ListMenu *, u16, u16, u16);
+void ListMenuDrawCursor(struct ListMenu *);
+BOOL ListMenuChangeSelection(struct ListMenu *, s32, u8, s32);
+void ListMenuCallSelectionChangedCallback(struct ListMenu *, BOOL);
+extern void CopyWindowToVram(struct Window *);
+
+THUMB_FUNC struct ListMenu * ListMenuInit(const struct ListMenuTemplate * template, u16 cursorPos, u16 itemsAbove, u32 heap_id)
+{
+    struct ListMenu * list = AllocFromHeap(heap_id, sizeof(struct ListMenu));
+    list->template = *template;
+    list->cursor = FUN_02013690(heap_id);
+    list->cursorPos = cursorPos;
+    list->itemsAbove = itemsAbove;
+    list->unk_30 = 0;
+    list->unk_31 = 0;
+    list->taskId = 0xFF;
+    list->unk_33 = 0;
+    list->heap_id = (u8)heap_id;
+    list->cursorPal = list->template.cursorPal;
+    list->fillValue = list->template.fillValue;
+    list->cursorShadowPal = list->template.cursorShadowPal;
+    list->lettersSpacing = list->template.lettersSpacing;
+    list->fontId = list->template.fontId;
+    list->enabled = 0;
+    if (list->template.totalItems < list->template.maxShowed)
+        list->template.maxShowed = list->template.totalItems;
+    CreateListMenuCursorObj(
+        list->cursor,
+        (u32)(
+            ((u32)(list->template.cursorPal << 24) >> 8)
+            | ((u32)(list->template.cursorShadowPal << 24) >> 16)
+            | ((u32)(list->template.fillValue << 24) >> 24)
+        )
+    );
+    FillWindowPixelBuffer(list->template.window, list->template.fillValue);
+    ListMenuPrintEntries(list, list->cursorPos, 0, list->template.maxShowed);
+    ListMenuDrawCursor(list);
+    ListMenuCallSelectionChangedCallback(list, TRUE);
+    CopyWindowToVram(template->window);
+    return list;
+}
+
+THUMB_FUNC s32 ListMenu_ProcessInput(struct ListMenu * list)
+{
+    list->unk_33 = 0;
+
+    if (gMain.newKeys & REG_PAD_KEYINPUT_A_MASK) {
+        return list->template.items[list->cursorPos + list->itemsAbove].index;
+    }
+    else if (gMain.newKeys & REG_PAD_KEYINPUT_B_MASK) {
+        return LIST_CANCEL;
+    }
+    else if (gMain.newAndRepeatedKeys & REG_PAD_KEYINPUT_UP_MASK) {
+        if (!ListMenuChangeSelection(list, TRUE, 1, FALSE))
+            list->unk_33 = 1;
+        return LIST_NOTHING_CHOSEN;
+    }
+    else if (gMain.newAndRepeatedKeys & REG_PAD_KEYINPUT_DOWN_MASK) {
+        if (!ListMenuChangeSelection(list, TRUE, 1, TRUE))
+            list->unk_33 = 2;
+        return LIST_NOTHING_CHOSEN;
+    }
+    else
+    {
+        u16 rightButton, leftButton;
+        switch (list->template.scrollMultiple)
+        {
+        case LIST_NO_MULTIPLE_SCROLL:
+        default:
+            leftButton = FALSE;
+            rightButton = FALSE;
+            break;
+        case LIST_MULTIPLE_SCROLL_DPAD:
+            leftButton = gMain.newAndRepeatedKeys & REG_PAD_KEYINPUT_LEFT_MASK;
+            rightButton = gMain.newAndRepeatedKeys & REG_PAD_KEYINPUT_RIGHT_MASK;
+            break;
+        case LIST_MULTIPLE_SCROLL_L_R:
+            leftButton = gMain.newAndRepeatedKeys & REG_PAD_KEYINPUT_L_MASK;
+            rightButton = gMain.newAndRepeatedKeys & REG_PAD_KEYINPUT_R_MASK;
+            break;
+        }
+        if (leftButton)
+        {
+            if (!ListMenuChangeSelection(list, TRUE, list->template.maxShowed, FALSE))
+                list->unk_33 = 3;
+            return LIST_NOTHING_CHOSEN;
+        }
+        else if (rightButton)
+        {
+            if (!ListMenuChangeSelection(list, TRUE, list->template.maxShowed, TRUE))
+                list->unk_33 = 4;
+            return LIST_NOTHING_CHOSEN;
+        }
+        else
+        {
+            return LIST_NOTHING_CHOSEN;
+        }
+    }
+}
+
+THUMB_FUNC void DestroyListMenu(struct ListMenu * list, u16 * cursorPos, u16 * itemsAbove)
+{
+    if (cursorPos != NULL)
+        *cursorPos = list->cursorPos;
+    if (itemsAbove != NULL)
+        *itemsAbove = list->itemsAbove;
+    DestroyListMenuCursorObj(list->cursor);
+    FUN_02016A8C(list->heap_id, list);
+}
+
+THUMB_FUNC void RedrawListMenu(struct ListMenu * list)
+{
+    FillWindowPixelBuffer(list->template.window, list->template.fillValue);
+    ListMenuPrintEntries(list, list->cursorPos, 0, list->template.maxShowed);
+    ListMenuDrawCursor(list);
+    CopyWindowToVram(list->template.window);
+}