From d33bf83138cf5b1e7926a8c9785ef58f13f16172 Mon Sep 17 00:00:00 2001
From: "Such Meme, Many Skill" <owen.vanrijn@gmail.com>
Date: Sun, 1 Dec 2019 17:10:01 +0100
Subject: [PATCH] implement offsets

// Weird bug, every time the screen is interacted with the time to draw the screen increases?
---
 source/tegraexplorer/gfx.c | 46 +++++++++++++++++++++++++++++++-------
 1 file changed, 38 insertions(+), 8 deletions(-)

diff --git a/source/tegraexplorer/gfx.c b/source/tegraexplorer/gfx.c
index 970a616..635ae67 100644
--- a/source/tegraexplorer/gfx.c
+++ b/source/tegraexplorer/gfx.c
@@ -1,9 +1,13 @@
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
 #include "../gfx/gfx.h"
 #include "te.h"
 #include "../utils/btn.h"
 #include "../utils/util.h"
 #include "gfx.h"
 #include "fs.h"
+#include "../mem/minerva.h"
 
 const char fixedoptions[3][50] = {
     "Folder -> previous folder",
@@ -78,6 +82,17 @@ int makemenu(menu_item menu[], int menuamount){
 
 void printfsentry(fs_entry file, bool highlight){
     int size = 0;
+    char *display;
+
+    display = (char*) malloc (38);
+    memset(display + 37, '\0', 1);
+    
+    if (strlen(file.name) > 37){
+        strlcpy(display, file.name, 37);
+        memset(display + 34, '.', 3);
+    }
+    else // make option to clear the screen gracefully line by line
+        strcpy(display, file.name);
 
     if (highlight)
         gfx_printf("%K%k", COLOR_WHITE, COLOR_DEFAULT);
@@ -85,34 +100,38 @@ void printfsentry(fs_entry file, bool highlight){
         gfx_printf("%K%k", COLOR_DEFAULT, COLOR_WHITE);
 
     if (file.property & ISDIR)
-        gfx_printf("%s\n", file.name);
+        gfx_printf("%s\n", display);
     else {
         for (size = 4; size < 8; size++)
             if ((file.property & (1 << size)))
                 break;
 
-        gfx_printf("%k%s%K\a%d\e%s", COLOR_VIOLET, file.name, COLOR_DEFAULT, file.size, sizevalues[size - 4]);
+        gfx_printf("%k%s%K\a%d\e%s", COLOR_VIOLET, display, COLOR_DEFAULT, file.size, sizevalues[size - 4]);
     }
 }
 
 int makefilemenu(fs_entry *files, int amount, char *path){
     int currentpos = 1, i, res = 0, offset = 0, quickoffset = 300;
+    u32 timer;
     clearscreen();
     gfx_con_setpos(544, 0);
     gfx_printf("%K%k%d / 500\n%K%k%s%k\n\n", COLOR_WHITE, COLOR_DEFAULT, amount, COLOR_DEFAULT, COLOR_GREEN, path, COLOR_DEFAULT);
     while (1){
         gfx_con_setpos(0, 47);
-        for (i = -3 + offset; i < amount; i++){
+        timer = get_tmr_ms();
+        for (i = -3 + offset; i < amount && i < 30 + offset; i++){
             if (i < 0){
                 if (i == currentpos - 1)
                     gfx_printf("%k%K%s%K\n", COLOR_ORANGE, COLOR_WHITE, fixedoptions[i + 3], COLOR_DEFAULT);
                 else
-                    gfx_printf("%k%s\n", COLOR_ORANGE, fixedoptions[i + 3]);
+                    gfx_printf("%k%K%s\n", COLOR_ORANGE, COLOR_DEFAULT, fixedoptions[i + 3]);
             }
             else
                 printfsentry(files[i], (i == currentpos - 1)); 
         }
 
+        gfx_printf("\n%k%K %s %s\nTime taken: %dms", COLOR_BLUE, COLOR_DEFAULT, (offset + 30 < amount) ? "v" : " ", (offset > 0) ? "^" : " ", get_tmr_ms() - timer);
+
         if (quickoffset == 300)
             res = btn_wait();
         else {
@@ -122,14 +141,25 @@ int makefilemenu(fs_entry *files, int amount, char *path){
 
         if (res == 0)
             quickoffset = 300;
-        else if (quickoffset > 50)
-            quickoffset -= 50;
+        else if (quickoffset > 46)
+            quickoffset -= 45;
 
-        if ((res & BTN_VOL_UP) && currentpos > -2)
+        if ((res & BTN_VOL_UP) && currentpos > -2){
             currentpos--;
-        if ((res & BTN_VOL_DOWN) && currentpos < amount)
+            if (offset != 0 && currentpos < offset - 2){
+                offset--;
+                gfx_box(0, 47, 719, 576, COLOR_DEFAULT);
+            }
+        }
+        if ((res & BTN_VOL_DOWN) && currentpos < amount){
             currentpos++;
+            if (currentpos - offset > 30){
+                offset++;
+                gfx_box(0, 47, 719, 576, COLOR_DEFAULT);
+            }
+        }
         if (res & BTN_POWER)
             return currentpos;
     }
+    minerva_periodic_training();
 }
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