From 3979588f85eb3ec7252496d4d181d93fe7be03af Mon Sep 17 00:00:00 2001
From: JailDoctor <jaildoctor@gmail.com>
Date: Mon, 13 Dec 2021 20:02:17 +0100
Subject: [PATCH] [FEATURE] toclipboard & fromclipboard

---
 ascii.cpp | 21 ++++++++++++++++++++-
 ascii.h   |  3 +++
 lua.cpp   | 13 +++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/ascii.cpp b/ascii.cpp
index 0e40e39..0093f48 100644
--- a/ascii.cpp
+++ b/ascii.cpp
@@ -431,7 +431,7 @@ int rnd(int x) {
     srand(x);
 }*/
 
-char str_tmp[256];
+char str_tmp[1024];
 const char* tostr(float val) {
     return SDL_itoa(val, str_tmp, 10);
 }
@@ -571,3 +571,22 @@ void filein(const char* str, uint16_t addr, uint16_t size) {
     fread(&mem[addr], size, 1, f);
     fclose(f);
 }
+
+void toclipboard(const char* str) {
+    SDL_SetClipboardText(str);
+}
+
+const char* fromclipboard() {
+    char* text = SDL_GetClipboardText();
+    int len = strlen(text);
+    if (len > 1023) {
+        len = 27;
+        SDL_memcpy(str_tmp, "ERROR! CLIPBOARD TOO LARGE", len);
+    } else {
+        SDL_memcpy(str_tmp, text, len);
+    }
+    str_tmp[len] = '\0';
+    SDL_free((void*)text);
+
+    return str_tmp;
+}
\ No newline at end of file
diff --git a/ascii.h b/ascii.h
index 1ef2029..6650f2e 100644
--- a/ascii.h
+++ b/ascii.h
@@ -180,3 +180,6 @@ void load(const char* str);
 
 void fileout(const char* str, uint16_t addr, uint16_t size);
 void filein(const char* str, uint16_t addr, uint16_t size);
+
+void toclipboard(const char* str);
+const char* fromclipboard();
\ No newline at end of file
diff --git a/lua.cpp b/lua.cpp
index 0594923..97a9988 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -381,6 +381,17 @@ extern "C" {
         filein(str, addr, size);
         return 0;
     }
+
+    static int cpp_toclipboard(lua_State *L) {
+        const char* str = luaL_checkstring(L, 1);
+        toclipboard(str);
+        return 0;
+    }
+
+    static int cpp_fromclipboard(lua_State *L) {
+        lua_pushstring(L, fromclipboard());
+        return 1;
+    }
 }
 
 #define STATE_STOPPED 0
@@ -473,6 +484,8 @@ void lua_init(const char* filename, const bool start_playing) {
 
     lua_pushcfunction(L,cpp_fileout);     lua_setglobal(L, "fileout");
     lua_pushcfunction(L,cpp_filein);     lua_setglobal(L, "filein");
+    lua_pushcfunction(L,cpp_toclipboard);     lua_setglobal(L, "toclipboard");
+    lua_pushcfunction(L,cpp_fromclipboard);     lua_setglobal(L, "fromclipboard");
 
     lua_pushinteger(L, 0); lua_setglobal(L, "KEY_UNKNOWN");
     lua_pushinteger(L, 4); lua_setglobal(L, "KEY_A");