Ability to setup a default font

arm9/source/filesys/filetype.h

@@ -67,6 +67,7 @@
 #define FTYPE_SCRIPT(tp)        (tp&(TXT_SCRIPT))
 #define FTYPE_FONT(tp)          (tp&(FONT_PBM))
 #define FTYPE_GFX(tp)           (tp&(GFX_PNG))
+#define FTYPE_SETABLE(tp)       (tp&(FONT_PBM))
 #define FTYPE_BOOTABLE(tp)      (tp&(SYS_FIRM))
 #define FTYPE_INSTALLABLE(tp)   (tp&(SYS_FIRM))
 #define FTYPE_AGBSAVE(tp)       (tp&(SYS_AGBSAVE))

arm9/source/filesys/support.c

@@ -48,6 +48,51 @@ size_t LoadSupportFile(const char* fname, void* buffer, size_t max_len)
     return 0;
 }
 
+bool SaveSupportFile(const char* fname, void* buffer, size_t len)
+{
+    const char* base_paths[] = { SUPPORT_FILE_PATHS };
+    int idx = -1;
+
+    // check for existing support file path
+    for (u32 i = 0; (idx < 0) && (i < countof(base_paths)); i++) {
+        if (fvx_stat(base_paths[i], NULL) == FR_OK)
+            idx = i;
+    }
+
+    // create path if required
+    for (u32 i = 0; (idx < 0) && (i < countof(base_paths)); i++) {
+        if (fvx_rmkdir(base_paths[i]) == FR_OK)
+            idx = i;
+    }
+
+    // write support file
+    if (idx >= 0) {
+        char path[256];
+        snprintf(path, 256, "%s/%s", base_paths[idx], fname);
+        fvx_unlink(path);
+        if (fvx_qwrite(path, buffer, 0, len, NULL) == FR_OK)
+            return true;
+    }
+    
+    return false;
+}
+
+bool SetAsSupportFile(const char* fname, const char* source)
+{
+    u32 len = fvx_qsize(source);
+    if (!len) return false;
+
+    void* buffer = malloc(len);
+    if (!buffer) return false;
+
+    bool res = false;
+    if (fvx_qread(source, buffer, 0, len, NULL) == FR_OK)
+        res = SaveSupportFile(fname, buffer, len);
+    free(buffer);
+
+    return res;
+}
+
 bool GetSupportDir(char* path, const char* dname)
 {
     const char* base_paths[] = { SUPPORT_DIR_PATHS };

arm9/source/filesys/support.h

@@ -8,6 +8,8 @@
 
 bool CheckSupportFile(const char* fname);
 size_t LoadSupportFile(const char* fname, void* buffer, size_t max_len);
+bool SaveSupportFile(const char* fname, void* buffer, size_t len);
+bool SetAsSupportFile(const char* fname, const char* source);
 
 bool CheckSupportDir(const char* fpath);
 bool FileSelectorSupport(char* result, const char* text, const char* dname, const char* pattern);

arm9/source/godmode.c

@@ -1044,6 +1044,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
     bool scriptable = (FTYPE_SCRIPT(filetype));
     bool fontable = (FTYPE_FONT(filetype));
     bool viewable = (FTYPE_GFX(filetype));
+    bool setable = (FTYPE_SETABLE(filetype));
     bool bootable = (FTYPE_BOOTABLE(filetype));
     bool installable = (FTYPE_INSTALLABLE(filetype));
     bool agbexportable = (FTYPE_AGBSAVE(filetype) && (drvtype & DRV_VIRTUAL) && (drvtype & DRV_SYSNAND));
@@ -1109,7 +1110,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
         (filetype & BIN_LEGKEY) ? "Build " KEYDB_NAME     :
         (filetype & BIN_NCCHNFO)? "NCCHinfo options..."   :
         (filetype & TXT_SCRIPT) ? "Execute GM9 script"    :
-        (filetype & FONT_PBM)   ? "Set as active font"    :
+        (filetype & FONT_PBM)   ? "Font options..."       :
         (filetype & GFX_PNG)    ? "View PNG file"         :
         (filetype & HDR_NAND)   ? "Rebuild NCSD header"   :
         (filetype & NOIMG_NAND) ? "Rebuild NCSD header" : "???";
@@ -1259,6 +1260,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
     int view = (viewable) ? ++n_opt : -1;
     int agbexport = (agbexportable) ? ++n_opt : -1;
     int agbimport = (agbimportable) ? ++n_opt : -1;
+    int setup = (setable) ? ++n_opt : -1;
     if (mount > 0) optionstr[mount-1] = (filetype & GAME_TMD) ? "Mount CXI/NDS to drive" : "Mount image to drive";
     if (restore > 0) optionstr[restore-1] = "Restore SysNAND (safe)";
     if (ebackup > 0) optionstr[ebackup-1] = "Update embedded backup";
@@ -1290,6 +1292,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
     if (font > 0) optionstr[font-1] = "Set as active font";
     if (agbexport > 0) optionstr[agbexport-1] = "Dump GBA VC save";
     if (agbimport > 0) optionstr[agbimport-1] = "Inject GBA VC save";
+    if (setup > 0) optionstr[setup-1] = "Set as default";
     
     // auto select when there is only one option
     user_select = (n_opt <= 1) ? n_opt : (int) ShowSelectPrompt(n_opt, optionstr, (n_marked > 1) ?
@@ -1831,6 +1834,13 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
         }
         return 0;
     }
+    else if (user_select == setup) { // set as default (font)
+        if (filetype & FONT_PBM) {
+            if (SetAsSupportFile("font.pbm", file_path))
+                ShowPrompt(false, "%s\nFont will be active on next boot", pathstr);
+        }
+        return 0;
+    }
     
     return FileHandlerMenu(current_path, cursor, scroll, pane);
 }