/*
* Prompts the user for a file to load.
* Returns a pointer to a newly-allocated string. The caller is responsible
* for free()ing it.
*/
char* startFileChooser() {
char* retval;
char cwd[256];
getcwd(cwd, 256);
DIR* dp = opendir(cwd);
struct dirent *entry;
if (dp == NULL) {
iprintf("Error opening directory.\n");
return 0;
}
while (true) {
numFiles=0;
std::vector<char*> filenames;
std::vector<bool> directory;
while ((entry = readdir(dp)) != NULL) {
char* ext = strrchr(entry->d_name, '.')+1;
if (entry->d_type & DT_DIR || strcmpi(ext, "cgb") == 0 || strcmpi(ext, "gbc") == 0 || strcmpi(ext, "gb") == 0 || strcmpi(ext, "sgb") == 0 ||
strcmpi(ext, "gbs") == 0) {
if (!(strcmp(".", entry->d_name) == 0)) {
directory.push_back(entry->d_type & DT_DIR);
char *name = (char*)malloc(sizeof(char)*(strlen(entry->d_name)+1));
strcpy(name, entry->d_name);
filenames.push_back(name);
numFiles++;
}
}
}
quickSort(filenames, directory, nameSortFunction, 0, numFiles - 1);
scrollY=0;
updateScrollDown();
bool readDirectory = false;
while (!readDirectory) {
consoleClear();
for (int i=scrollY; i<scrollY+filesPerPage && i<numFiles; i++) {
if (i == fileSelection)
iprintf("* ");
else if (i == scrollY && i != 0)
iprintf("^ ");
else if (i == scrollY+filesPerPage-1 && scrollY+filesPerPage-1 != numFiles-1)
iprintf("v ");
else
iprintf(" ");
char outBuffer[32];
int maxLen = 29;
if (directory[i])
maxLen--;
strncpy(outBuffer, filenames[i], maxLen);
outBuffer[maxLen] = '\0';
if (directory[i])
iprintf("%s/\n", outBuffer);
else
iprintf("%s\n", outBuffer);
}
while (true) {
swiWaitForVBlank();
readKeys();
if (keyJustPressed(KEY_A)) {
if (directory[fileSelection]) {
closedir(dp);
dp = opendir(filenames[fileSelection]);
chdir(filenames[fileSelection]);
readDirectory = true;
break;
}
else {
// Copy the result to a new allocation, as the
// filename would become unavailable when freed.
retval = (char*) malloc(sizeof(char) * (strlen(filenames[fileSelection]) + 1));
strcpy(retval, filenames[fileSelection]);
// free memory used for filenames in this dir
for (int i=0; i<numFiles; i++) {
free(filenames[i]);
}
goto end;
}
}
else if (keyJustPressed(KEY_B)) {
if (numFiles >= 1 && strcmp(filenames[0], "..") == 0) {
closedir(dp);
dp = opendir("..");
chdir("..");
readDirectory = true;
break;
}
}
else if (keyPressedAutoRepeat(KEY_UP)) {
if (fileSelection > 0) {
fileSelection--;
updateScrollUp();
break;
}
}
else if (keyPressedAutoRepeat(KEY_DOWN)) {
if (fileSelection < numFiles-1) {
fileSelection++;
updateScrollDown();
break;
}
}
else if (keyPressedAutoRepeat(KEY_RIGHT)) {
fileSelection += filesPerPage/2;
updateScrollDown();
break;
}
else if (keyPressedAutoRepeat(KEY_LEFT)) {
fileSelection -= filesPerPage/2;
updateScrollUp();
break;
}
}
}
// free memory used for filenames
for (int i=0; i<numFiles; i++) {
free(filenames[i]);
}
fileSelection = 0;
}
end:
closedir(dp);
consoleClear();
return retval;
}
// Called each vblank while the menu is on
void updateMenu() {
if (subMenuUpdateFunc != 0) {
subMenuUpdateFunc();
return;
}
bool redraw = false;
// Get input
if (keyPressedAutoRepeat(KEY_UP)) {
option--;
if (option < -1)
option = menuList[menu].numOptions-1;
redraw = true;
}
else if (keyPressedAutoRepeat(KEY_DOWN)) {
option++;
if (option >= menuList[menu].numOptions)
option = -1;
redraw = true;
}
else if (keyPressedAutoRepeat(KEY_LEFT)) {
if (option == -1) {
menu--;
if (menu < 0)
menu = numMenus-1;
}
else if (menuList[menu].options[option].numValues != 0 && menuList[menu].options[option].enabled) {
int selection = menuList[menu].options[option].selection-1;
if (selection < 0)
selection = menuList[menu].options[option].numValues-1;
menuList[menu].options[option].selection = selection;
menuList[menu].options[option].function(selection);
}
redraw = true;
}
else if (keyPressedAutoRepeat(KEY_RIGHT)) {
if (option == -1) {
menu++;
if (menu >= numMenus)
menu = 0;
}
else if (menuList[menu].options[option].numValues != 0 && menuList[menu].options[option].enabled) {
int selection = menuList[menu].options[option].selection+1;
if (selection >= menuList[menu].options[option].numValues)
selection = 0;
menuList[menu].options[option].selection = selection;
menuList[menu].options[option].function(selection);
}
redraw = true;
}
else if (keyJustPressed(KEY_A)) {
forceReleaseKey(KEY_A);
if (option >= 0 && menuList[menu].options[option].numValues == 0 && menuList[menu].options[option].enabled) {
menuList[menu].options[option].function(menuList[menu].options[option].selection);
}
redraw = true;
}
else if (keyJustPressed(KEY_B)) {
forceReleaseKey(KEY_B);
closeMenu();
updateScreens();
}
else if (keyJustPressed(KEY_L)) {
menu--;
if (menu < 0)
menu = numMenus-1;
if (option >= menuList[menu].numOptions)
option = menuList[menu].numOptions-1;
redraw = true;
}
else if (keyJustPressed(KEY_R)) {
menu++;
if (menu >= numMenus)
menu = 0;
if (option >= menuList[menu].numOptions)
option = menuList[menu].numOptions-1;
redraw = true;
}
if (redraw && subMenuUpdateFunc == 0 &&
isMenuOn()) // The menu may have been closed by an option
doAtVBlank(redrawMenu);
}
void updateKeyConfigChooser() {
bool redraw = false;
int& option = keyConfigChooser_option;
KeyConfig* config = &keyConfigs[selectedKeyConfig];
if (keyJustPressed(KEY_B)) {
loadKeyConfig();
closeSubMenu();
}
else if (keyJustPressed(KEY_X)) {
keyConfigs.push_back(KeyConfig(*config));
selectedKeyConfig = keyConfigs.size()-1;
char name[32];
sprintf(name, "Custom %d", keyConfigs.size()-1);
strcpy(keyConfigs.back().name, name);
option = -1;
redraw = true;
}
else if (keyJustPressed(KEY_Y)) {
if (selectedKeyConfig != 0) /* can't erase the default */ {
keyConfigs.erase(keyConfigs.begin() + selectedKeyConfig);
if (selectedKeyConfig >= keyConfigs.size())
selectedKeyConfig = keyConfigs.size() - 1;
redraw = true;
}
}
else if (keyPressedAutoRepeat(KEY_DOWN)) {
if (option == NUM_BINDABLE_BUTTONS-1)
option = -1;
#if defined(_3DS)
else if(option == 11) //Skip nonexistant keys
option = 14;
else if(option == 15)
option = 24;
#endif
else
option++;
redraw = true;
}
else if (keyPressedAutoRepeat(KEY_UP)) {
if (option == -1)
option = NUM_BINDABLE_BUTTONS-1;
#if defined(_3DS)
else if(option == 14) //Skip nonexistant keys
option = 11;
else if(option == 24)
option = 15;
#endif
else
option--;
redraw = true;
}
else if (keyPressedAutoRepeat(KEY_LEFT)) {
if (option == -1) {
if (selectedKeyConfig == 0)
selectedKeyConfig = keyConfigs.size()-1;
else
selectedKeyConfig--;
}
else {
config->funcKeys[option]--;
if (config->funcKeys[option] < 0)
config->funcKeys[option] = NUM_FUNC_KEYS-1;
}
redraw = true;
}
else if (keyPressedAutoRepeat(KEY_RIGHT)) {
if (option == -1) {
selectedKeyConfig++;
if (selectedKeyConfig >= keyConfigs.size())
selectedKeyConfig = 0;
}
else {
config->funcKeys[option]++;
if (config->funcKeys[option] >= NUM_FUNC_KEYS)
config->funcKeys[option] = 0;
}
redraw = true;
}
if (redraw)
doAtVBlank(redrawKeyConfigChooser);
}
