From e82a0a3882c38575c8a5f3d1010db679f0daf75b Mon Sep 17 00:00:00 2001
From: Alex Taber <alexftaber@gmail.com>
Date: Tue, 29 Aug 2017 23:49:54 -0400
Subject: [PATCH] Adding controls and (some) theme previews, this feature
 really needs to improve

---
 include/themes.h |  5 +++++
 source/main.c    | 29 ++++++++++++++++++++++++++++-
 source/pp2d      |  2 +-
 source/themes.c  |  9 +++++++++
 4 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/include/themes.h b/include/themes.h
index 45496e5..4a5adcc 100644
--- a/include/themes.h
+++ b/include/themes.h
@@ -29,6 +29,8 @@
 
 #include <3ds.h>
 
+#define TEX_COUNT       1
+
 typedef struct {
     u16 name[0x40];
     u16 desc[0x80];
@@ -37,6 +39,9 @@ typedef struct {
     u16 path[262];
     bool is_zip;
     bool selected;
+    ssize_t preview_id;
+    bool has_preview;
+    char preview_path[0x106];
 } theme;
 
 void parse_smdh(theme *entry, u16 *path);
diff --git a/source/main.c b/source/main.c
index fd5987f..8173b3f 100644
--- a/source/main.c
+++ b/source/main.c
@@ -125,11 +125,22 @@ int main(void)
     
     while(aptMainLoop())
     {
+        theme *current_theme = themes_list[cursor_pos + top_pos - 1];
         hidScanInput();
         u32 kDown = hidKeysDown();
 
         pp2d_begin_draw(GFX_TOP);
         pp2d_draw_rectangle(0, 0, 400, 23, color_accent);
+        pp2d_draw_text_center(GFX_TOP, 4, 0.5, 0.5, color_white, "Theme mode");
+
+        wchar_t title[0x40] = {0};
+        utf16_to_utf32((u32*)title, current_theme->name, 0x40);
+        pp2d_draw_wtext(20, 30, 0.7, 0.7, color_white, title);
+
+        if (current_theme->has_preview)
+        {
+            pp2d_draw_texture_scale(current_theme->preview_id, 220, 35, 0.4, 0.4);
+        }
         
         char time_string[6] = {0};
         format_time(time_string);
@@ -138,7 +149,6 @@ int main(void)
         u8 battery_val;
         MCUHWC_GetBatteryLevel(&battery_val);
         pp2d_draw_textf(350, 2, 0.6, 0.6, color_white, "%i%%", battery_val);
-        pp2d_draw_textf(20, 50, 0.7, 0.7, color_white, "top_pos: %i", top_pos);
 
         pp2d_draw_on(GFX_BOTTOM);
         pp2d_draw_rectangle(0, 0, 320, 24, color_accent);
@@ -164,16 +174,33 @@ int main(void)
             else pp2d_draw_wtext(50, 40 + (48 * i), 0.55, 0.55, color_white, name);
         }
 
+        if (kDown & KEY_A)
+        {
+            single_install(*current_theme);
+        }
+
+        if (kDown & KEY_B)
+        {
+            current_theme->selected = true;
+        }
+
+        if (kDown & KEY_SELECT)
+        {
+            shuffle_install(themes_list, theme_count);
+        }
+
         if (kDown & KEY_DOWN) 
         {
             if (cursor_pos < MAX_THEMES && cursor_pos < theme_count) cursor_pos++; 
             else if (cursor_pos + top_pos < theme_count) top_pos++;
         }
+
         if (kDown & KEY_UP)
         {
             if (cursor_pos > 1) cursor_pos--;
             else if (top_pos > 0) top_pos--;
         }
+
         if (kDown & KEY_START)
         {
             // close_archives();
diff --git a/source/pp2d b/source/pp2d
index 824abba..8da5af2 160000
--- a/source/pp2d
+++ b/source/pp2d
@@ -1 +1 @@
-Subproject commit 824abba2eab5aca6553aa8a360227ada2d39f8e9
+Subproject commit 8da5af2efbf2705b64c2f79ce2ba0e61c7ce5f57
diff --git a/source/themes.c b/source/themes.c
index 2ccff21..fb47712 100644
--- a/source/themes.c
+++ b/source/themes.c
@@ -32,6 +32,7 @@
 #include "themes.h"
 #include "unicode.h"
 #include "fs.h"
+#include "pp2d/pp2d/pp2d.h"
 
 void parse_smdh(theme *entry, u16 *path)
 {
@@ -74,8 +75,16 @@ int scan_themes(theme **themes, int num_themes)
         if (!strcmp(entry->shortExt, "ZIP"))
         {
             theme_info->is_zip = true;
+            theme_info->has_preview = false;
         } else {
             theme_info->is_zip = false;
+            char u8_path[0x106] = {0};
+            utf16_to_utf8((u8*)u8_path, theme_path, 0x106);
+            strcat(u8_path, "/Preview.png");
+            strcpy(theme_info->preview_path, u8_path);
+            pp2d_load_texture_png(TEX_COUNT + 1 + i, u8_path);
+            theme_info->preview_id = TEX_COUNT + 1 + i;
+            theme_info->has_preview = true;
         }
         parse_smdh(theme_info, theme_path);
         memcpy(theme_info->path, theme_path, 0x106 * sizeof(u16));