joeydev/src/utils.c

/*
 *  JoeyDev
 *  Copyright (C) 2018-2023 Scott Duensing <scott@kangaroopunch.com>
 *
 *  This software is provided 'as-is', without any express or implied
 *  warranty.  In no event will the authors be held liable for any damages
 *  arising from the use of this software.
 *
 *  Permission is granted to anyone to use this software for any purpose,
 *  including commercial applications, and to alter it and redistribute it
 *  freely, subject to the following restrictions:
 *
 *  1. The origin of this software must not be misrepresented; you must not
 *     claim that you wrote the original software. If you use this software
 *     in a product, an acknowledgment in the product documentation would be
 *     appreciated but is not required.
 *  2. Altered source versions must be plainly marked as such, and must not be
 *     misrepresented as being the original software.
 *  3. This notice may not be removed or altered from any source distribution.
*/


#include <sys/stat.h>

#include "common.h"
#include "utils.h"
#include "cwalk.h"
#include "messages.h"


#ifdef _WIN32
#define ourMkdir(p,m) mkdir(p)
#else
#define ourMkdir mkdir
#endif


typedef struct WindowListS {
	GtkWidget   *key;
	WindowDataT *value;
} WindowListT;


static ArchiveT    **_activeArchives = NULL;
static WindowListT  *_windowList     = NULL;

char __utilFilenameBuffer[FILENAME_MAX];


gboolean utilDecompressUpdate(gpointer userData);  // Not static


void utilAddTextToListBox(GtkListBox *list, char *text) {
	GtkWidget     *row;
	GtkWidget     *box;
	GtkWidget     *label;

	row = gtk_list_box_row_new();
	box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
	gtk_widget_set_hexpand(box, TRUE);
	label = gtk_label_new(text);
	gtk_label_set_use_markup(GTK_LABEL(label), TRUE);

	// Add new row to the message box.
	gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);
	gtk_container_add(GTK_CONTAINER(row), box);
	gtk_list_box_insert(GTK_LIST_BOX(list), row, -1);
	gtk_widget_show_all(list);
}


void utilClearContainer(GtkContainer *container) {
	GList *children;
	GList *iter;

	children = gtk_container_get_children(GTK_CONTAINER(container));
	for (iter = children; iter != NULL; iter = g_list_next(iter)) {
		gtk_widget_destroy(GTK_WIDGET(iter->data));
	}
	g_list_free(children);
}


char *utilCreateString(char *format, ...) {
	va_list  args;
	char    *string;

	va_start(args, format);
	string = utilCreateStringVArgs(format, args);
	va_end(args);

	return string;
}


__attribute__((__format__(__printf__, 1, 0)))
char *utilCreateStringVArgs(char *format, va_list args) {
	va_list  argsCopy;
	int32_t  size;
	char    *buffer   = NULL;

	va_copy(argsCopy, args);
	size = vsnprintf(NULL, 0, format, argsCopy) + 1;
	va_end(argsCopy);
	buffer = calloc(1, (size_t)size);
	if (buffer) {
		vsnprintf(buffer, (size_t)size, format, args);
	}

	//debug("%s = %s\n", format, buffer);

	return buffer;
}


ArchiveT *utilDecompress(char *archive, char *outPath, archiveCallback callback, void *userData) {
	ArchiveT *a = NULL;
	int       i;

	// Do not allow two of the same archive to be started.
	for (i=0; i<arrlen(_activeArchives); i++) {
		if (strcmp(_activeArchives[i]->archive, archive) == 0) {
			// Return existing transfer handle.
			return _activeArchives[i];
		}
	}

	a = NEW(ArchiveT);

	a->in = archive_read_new();
	archive_read_support_filter_bzip2(a->in);
	archive_read_support_format_gnutar(a->in);

	a->out = archive_write_disk_new();
	archive_write_disk_set_options(a->out, 0);
	archive_write_disk_set_standard_lookup(a->out);

	a->entry        = NULL;
	a->result       = 0;
	a->compression  = 0;
	a->fileCount    = 0;
	a->compressed   = 0;
	a->uncompressed = 0;
	a->archive      = utilFileBasename(archive);
	a->outPath      = strdup(outPath);
	a->currentFile  = NULL;
	a->copying      = FALSE;
	a->finished     = FALSE;
	a->success      = FALSE;
	a->callback     = callback;
	a->userData     = userData;
	a->size         = utilFileSize(archive);

	a->result = archive_read_open_filename(a->in, archive, 16384);
	if (a->result == ARCHIVE_OK) {
		arrput(_activeArchives, a);
		return a;
	}

	debug("%s\n", archive_error_string(a->in));

	DEL(a->archive);
	DEL(a->outPath);
	DEL(a);

	return NULL;
}


gboolean utilDecompressUpdate(gpointer userData) {
	ArchiveT   *a;
	const void *buff;
	size_t      size;
	la_int64_t  offset;
	int         i;
	int         toClose        = -1;
	char       *fullOutputPath;

	(void)userData;

	// Anything to process?
	for (i=0; i<arrlen(_activeArchives); i++) {
		a = _activeArchives[i];
		// Did they cancel?
		if (a->finished) {
			a->success  = FALSE;
			toClose = i;
			break;
		}
		// Update stats.
		if (a->in != NULL) {
			a->compressed   = archive_filter_bytes(a->in, -1);
			a->uncompressed = archive_filter_bytes(a->in,  0);
			if (a->compressed > a->uncompressed) {
				a->compression = 0;
			} else {
				a->compression = (int)((a->uncompressed - a->compressed) * 100 / a->uncompressed);
			}
			a->fileCount = archive_file_count(a->in);
		}

		if (a->entry != NULL) {
			DEL(a->currentFile);
			a->currentFile = strdup(archive_entry_pathname(a->entry));
		}
		// Are we unpacking, or do we need the next file?
		if (a->copying) {
			a->result = archive_read_data_block(a->in, &buff, &size, &offset);
			if (a->result == ARCHIVE_EOF) {
				a->copying = FALSE;
				a->result = archive_write_finish_entry(a->out);
				if (a->result < ARCHIVE_WARN) {
					a->finished = TRUE;
					a->success  = FALSE;
					toClose = i;
				}
				break;
			}
			if (a->result < ARCHIVE_OK) {
				a->finished = TRUE;
				a->success  = FALSE;
				toClose = i;
				break;
			}
			a->result = archive_write_data_block(a->out, buff, size, offset);
			if (a->result < ARCHIVE_OK) {
				a->finished = TRUE;
				a->success  = FALSE;
				toClose = i;
				break;
			}
		} else {
			// Get next file to unpack.
			a->result = archive_read_next_header(a->in, &a->entry);
			if (a->result == ARCHIVE_EOF) {
				a->finished = TRUE;
				a->success  = TRUE;
				toClose = i;
				break;
			}
			if (a->result < ARCHIVE_WARN) {
				a->finished = TRUE;
				a->success  = FALSE;
				toClose = i;
				break;
			}
			// Add path to output filename.
			fullOutputPath = utilCreateString("%s%s", a->outPath, archive_entry_pathname(a->entry));
			archive_entry_set_pathname(a->entry, fullOutputPath);
			DEL(fullOutputPath);
			// Create output file.
			a->result = archive_write_header(a->out, a->entry);
			if (a->result != ARCHIVE_OK) {
				a->finished = TRUE;
				a->success  = FALSE;
				toClose = i;
				break;
			}
			// Is there data to decompress?
			if (archive_entry_size(a->entry) > 0) {
				// Start copying decompressed data.
				a->copying = TRUE;
			}
		}
	}

	if (toClose >= 0) {
		a = _activeArchives[toClose];
		arrdel(_activeArchives, toClose);
		if (a->callback) {
			a->callback(a);
		}
		archive_read_close(a->in);
		archive_read_free(a->in);
		archive_write_close(a->out);
		archive_write_free(a->out);
		DEL(a->archive);
		DEL(a->outPath);
		DEL(a->currentFile);
		DEL(a);
	}

	return G_SOURCE_CONTINUE;
}


int utilDeleteTree(const char *path) {
	DIR           *directory = opendir(path);
	char          *filename  = NULL;
	struct dirent *entry;
	int (*removeFunc)(const char *);

	if (directory) {
		while ((entry = readdir(directory))) {
			if (!strcmp(".", entry->d_name) || !strcmp("..", entry->d_name)) {
				continue;
			}
			filename = utilCreateString("%s/%s", path, entry->d_name);
			removeFunc = entry->d_type == DT_DIR ? utilDeleteTree : remove;
			if (removeFunc(filename)) {
				DEL(filename);
				closedir(directory);
				return -1;
			}
			DEL(filename);
		}
		if (closedir(directory)) {
			return -1;
		}
	}

	return remove(path);
}


char *utilDeobfuscateASCII(char *obfuscated) {
	char *deobfuscated = NULL;
	char *hostname;
	int   i;
	int   j;
	int   c;

	// Valid ASCII 32 - 126 (94 chars)

	hostname = strdup(g_get_host_name());

	// Decrypt.
	j = 0;
	deobfuscated = (char *)malloc((strlen(obfuscated) + 1) * sizeof(char));
	for (i=0; i<strlen(obfuscated); i++) {
		c = obfuscated[i] - hostname[j] - 32;
		while (c < 0) c += 94;
		deobfuscated[i] = (char)(c + 32);
		j++;
		if (j >= strlen(hostname)) j = 0;
	}
	deobfuscated[i] = 0;

	DEL(hostname);

	return deobfuscated;
}


void utilDequote(char *string) {
	int x;

	if (string[0] == '"' || string[strlen(string) - 1] == '"') {
		string[strlen(string) - 1] = 0;
		for (x=1; x<strlen(string) + 1; x++) {
			string[x - 1] = string[x];
		}
	}
}


void utilEnsureBufferSize(unsigned char **buffer, int *length, int wanted) {
	unsigned char *temp = NULL;

	if (*length < wanted) {
		while (*length < wanted) *length = *length + 1024;
		temp = realloc(*buffer, *length);
		if (temp == NULL) {
			message(MSG_SEVERE, "Unable to reallocate buffer from %d to %d bytes!", *length, wanted);
		} else {
			*buffer = temp;
		}
	}
}


void utilExtractResource(char *path) {
	GInputStream  *in;
	gssize         read;
	gssize         bytes  = 0;
	FILE          *out    = NULL;
	unsigned char *buffer = NULL;
	int            name   = (int)strlen(path) - 1;
	char          *target = NULL;

	while (name >= 0 && path[name] != '/') name--;
	target = utilCreateString("%s%s", __resourcePath, &path[name + 1]);

	if (!utilFileExists(target)) {
		utilEnsureBufferSize(&buffer, (int *)&bytes, 8192);

		in = g_resources_open_stream(path, G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
		if (in) {
			out = fopen(target, "wb");
			if (out) {
				do {
					read = g_input_stream_read(in, buffer, bytes, NULL, NULL);
					fwrite(buffer, read, 1, out);
				} while (read > 0);
				fclose(out);
			} else {
				debug("Unable to write resource %s!\n", target);
			}
			g_input_stream_close(in, NULL, NULL);
			g_object_unref(in);
		} else {
			debug("Resource %s not found!\n", path);
		}

		DEL(buffer);
	}

	DEL(target);
}


char *utilFileBasename(char *path) {
	const char *basename;
	size_t      length;
	char       *newString = NULL;

	// Returns filename without path.

	cwk_path_get_basename(path, &basename, &length);
	if (basename != NULL) newString = strdup(basename);

	return newString;
}


gboolean utilFileCopy(char *from, char *to) {
	FILE     *in     = NULL;
	FILE     *out    = NULL;
	gboolean  result = FALSE;
	size_t    bytes;

	in = fopen(from, "rb");
	if (in) {
		out = fopen(to, "wb");
		if (out) {
			while (!feof(in)) {
				bytes = fread(__utilFilenameBuffer, 1, FILENAME_MAX, in);
				if (bytes) {
					fwrite(__utilFilenameBuffer, 1, bytes, out);
				}
			}
			result = TRUE;
			fclose(out);
		}
		fclose(in);
	}

	return result;

}


gboolean utilFileExists(char *filename) {
	FILE *f = fopen(filename, "rb");

	if (f) {
		fclose(f);
		return TRUE;
	}

	return FALSE;
}


gboolean utilFileOpen(WindowDataT *self, char *extension, char *what) {
	GtkWidget     *dialog;
	GtkFileFilter *filter;
	char          *title   = utilCreateString("Open %s", what);
	char          *warning = utilCreateString("You have unsaved changes.  Open different %s?", what);
	char          *files   = utilCreateString("%s Files", what);
	gboolean       result  = TRUE;

	if (self->isDirty) {
		if (!utilQuestionDialog(self->window, title, warning)) {
			result = FALSE;
		}
	}

	if (result == TRUE) {
		dialog = gtk_file_chooser_dialog_new(title,
														 GTK_WINDOW(self->window),
														 GTK_FILE_CHOOSER_ACTION_OPEN,
														 "_Cancel", GTK_RESPONSE_CANCEL,
														 "_Open", GTK_RESPONSE_ACCEPT,
														 NULL
		);

		filter = gtk_file_filter_new();
		gtk_file_filter_set_name(filter, files);
		gtk_file_filter_add_pattern(filter, extension);
		gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);

		if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
			utilSetDirty((WindowDataT *)self, FALSE);
			DEL(self->filename);
			DEL(self->path);
			self->filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
			utilUpdatePath(self);
		} else {
			result = FALSE;
		}

		gtk_widget_destroy(dialog);
	}

	DEL(files);
	DEL(warning);
	DEL(title);

	return result;
}


char *utilFilePath(char *filename) {
	size_t  i;
	char   *temp = NULL;

	if (filename) {
		// Derive the path from the filename.
		temp = strdup(filename);
		cwk_path_get_dirname(temp, &i);
		if (i > 0) temp[i] = 0;
	}

	return temp;
}


char *utilFileRemoveExtension(char *filename) {
	int  x          = (int)strlen(filename) - 1;
	char c;
	char *newString = NULL;

	while (x >= 0) {
		if (filename[x] == '.') break;
		x--;
	}

	if (x >= 0) {
		c = filename[x];
		filename[x] = 0;
		newString   = strdup(filename);
		filename[x] = c;
	} else {
		newString = strdup(filename);
	}

	return newString;
}


gboolean utilFileSaveAs(WindowDataT *self, char *extension, char *what) {
	gboolean result;

	result = utilFileSaveOtherAs(self, extension, what, &self->filename);
	utilUpdatePath(self);

	return result;
}


gboolean utilFileSaveOtherAs(WindowDataT *self, char *extension, char *what, char **filename) {
	GtkWidget     *dialog;
	GtkFileFilter *filter;
	gboolean       result = FALSE;
	char          *files  = utilCreateString("%s Files", what);
	size_t         x;

	dialog = gtk_file_chooser_dialog_new("Save As",
													 GTK_WINDOW(self->window),
													 GTK_FILE_CHOOSER_ACTION_SAVE,
													 "_Cancel", GTK_RESPONSE_CANCEL,
													 "_Save", GTK_RESPONSE_ACCEPT,
													 NULL);

	if (*filename != NULL) {
		memcpy(__utilFilenameBuffer, *filename, strlen(*filename) + 1);
		cwk_path_get_dirname(__utilFilenameBuffer, &x);
		if (x > 0) __utilFilenameBuffer[x] = 0;
		gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),__utilFilenameBuffer);
	}

	gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);

	filter = gtk_file_filter_new();
	gtk_file_filter_set_name(filter, files);
	gtk_file_filter_add_pattern(filter, extension);
	gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);

	if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
		DEL(*filename);
		*filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
		result = TRUE;
	}

	DEL(files);

	gtk_widget_destroy(dialog);

	return result;
}


size_t utilFileSize(char *filename) {
	size_t bytes = 0;

	FILE *f = fopen(filename, "rb");

	if (f) {
		fseek(f, 0, SEEK_END);
		bytes = ftell(f);
		fclose(f);
	}

	return bytes;
}


GtkWidget *utilFindChildWidget(GtkWidget *parent, const gchar *name) {
	GList     *children = NULL;
	GtkWidget *widget   = NULL;

	// This works on widgets with names.  If a widget is referenced by
	// utilGetWidgetsFromMemory, the name will be set to the ID of the
	// widget.  If not, you need to assign a name yourself.

	if (g_strcmp0(gtk_widget_get_name(parent), name) == 0) {
		return parent;
	}

	if (GTK_IS_CONTAINER(parent)) {
		children = gtk_container_get_children(GTK_CONTAINER(parent));
	}

	while (children != NULL) {
		widget = utilFindChildWidget(children->data, name);

		if (widget != NULL) {
			return widget;
		}

		children = children->next;
	}

	return NULL;
}


void utilForceUpdate(void) {
	//***TODO*** This is supposed to force any pending paint operations.
	// It doesn't work.

	//while (g_main_context_pending(NULL)) {
		g_main_context_iteration(NULL,FALSE);
	//}
}


char *utilGetToken(char *input, char *delimit, char *openblock, char *closeblock) {
	static char *token       = NULL;
	char        *lead        = NULL;
	char        *block       = NULL;
	int          iBlock      = 0;
	int          iBlockIndex = 0;

	// https://stackoverflow.com/questions/26187037/in-c-split-char-on-spaces-with-strtok-function-except-if-between-quotes

	if (input != NULL) {
		token = input;
		lead  = input;
	} else {
		lead = token;
		if (*token == 0) lead = NULL;
	}

	while (*token != 0) {

		if (iBlock) {
			if (closeblock[iBlockIndex] == *token) {
				iBlock = 0;
			}
			token++;
			continue;
		}

		if ((block = strchr(openblock, *token)) != NULL) {
			iBlock      = 1;
			iBlockIndex = (int)(block - openblock);
			token++;
			continue;
		}

		if (strchr(delimit, *token) != NULL) {
			*token = 0;
			token++;
			break;
		}

		token++;
	}

	return lead;
}


WindowDataT *utilGetWindowData(GtkWidget *window) {
	return hmget(_windowList, window);
}


gboolean utilGetWidgetsFromMemory(char *resource, char *name[], GtkWidget **widgets[], gpointer userData) {
	GtkBuilder *gtkBuilder;
	int         x;

	gtkBuilder = gtk_builder_new();
	if (gtk_builder_add_from_resource(gtkBuilder, resource, NULL) == 0) {
		printf("Failed to build UI '%s'!\n", name[0]);
		exit(1);
	}

	x = 0;
	while (name[x] != NULL) {
		*widgets[x] = GTK_WIDGET(gtk_builder_get_object(gtkBuilder, name[x]));
		// Set the widget name property to the ID we used to find it.
		gtk_widget_set_name(*widgets[x], name[x]);
		x++;
	}

	gtk_builder_connect_signals(gtkBuilder, userData);
	g_object_unref(G_OBJECT(gtkBuilder));

	return TRUE;
}


void utilMessageDialog(GtkWidget *parent, char *title, char *message) {
	GtkWidget *dialog;

	dialog = gtk_message_dialog_new(
			GTK_WINDOW(parent),
			GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
			GTK_MESSAGE_INFO,
			GTK_BUTTONS_OK,
			"%s", message);
	gtk_window_set_title(GTK_WINDOW(dialog), title);
	gtk_dialog_run(GTK_DIALOG(dialog));
	gtk_widget_destroy(dialog);
}


gboolean utilMkDirP(const char *dir, const mode_t mode) {
	char        *p   = NULL;
	struct stat  sb;
	size_t       len;

	// Make copy of dir.
	len = strnlen(dir, FILENAME_MAX);
	if (len == 0 || len == FILENAME_MAX) {
		return -1;
	}
	memcpy(__utilFilenameBuffer, dir, len);
	__utilFilenameBuffer[len] = '\0';

	// Remove trailing slash.
	if (__utilFilenameBuffer[len - 1] == UTIL_PATH_CHAR) {
		__utilFilenameBuffer[len - 1] = '\0';
	}

	// Does it already exist?
	if (stat(__utilFilenameBuffer, &sb) == 0) {
		if (S_ISDIR(sb.st_mode)) {
			return TRUE;
		}
	}

	// Recursive mkdir.
	for (p = __utilFilenameBuffer + 1; *p; p++) {
		if (*p == UTIL_PATH_CHAR) {
			*p = 0;
			if (stat(__utilFilenameBuffer, &sb) != 0) {
				// Does not exist - create it.
				if (ourMkdir(__utilFilenameBuffer, mode) < 0) {
					return FALSE;
				}
			} else {
				if (!S_ISDIR(sb.st_mode)) {
					// Not a directory
					return FALSE;
				}
			}
			*p = UTIL_PATH_CHAR;
		}
	}
	// Check path
	if (stat(__utilFilenameBuffer, &sb) != 0) {
		// Does not exist - create it.
		if (ourMkdir(__utilFilenameBuffer, mode) < 0) {
			return FALSE;
		}
	} else {
		if (!S_ISDIR(sb.st_mode)) {
			// Not a directory
			return FALSE;
		}
	}

	return TRUE;
}


char *utilObfuscateASCII(char *clearText) {
	char *obfuscated = NULL;
	char *hostname;
	int   i;
	int   j;
	int   c;

	// Valid ASCII 32 - 126 (94 chars)

	hostname = strdup(g_get_host_name());

	// Obfuscate.
	j = 0;
	obfuscated = (char *)malloc((strlen(clearText) + 1) * sizeof(char));
	for (i=0; i<strlen(clearText); i++) {
		c = clearText[i] + hostname[j] - 32;
		while (c > 94) c -= 94;
		obfuscated[i] = (char)(c + 32);
		j++;
		if (j >= strlen(hostname)) j = 0;
	}
	obfuscated[i] = 0;

	DEL(hostname);

	return obfuscated;
}


gboolean utilQuestionDialog(GtkWidget *parent, char *title, char *question) {
	GtkWidget *dialog;
	int        response;

	dialog = gtk_message_dialog_new(
			GTK_WINDOW(parent),
			GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
			GTK_MESSAGE_QUESTION,
			GTK_BUTTONS_OK_CANCEL,
			"%s", question);
	gtk_window_set_title(GTK_WINDOW(dialog), title);
	response = gtk_dialog_run(GTK_DIALOG(dialog));
	gtk_widget_destroy(dialog);

	return (response == GTK_RESPONSE_OK) ? TRUE : FALSE;
}


void utilSetDirty(WindowDataT *self, gboolean dirty) {
	char *title;

	self->isDirty = dirty;
	if (dirty) {
		if (self->filename) {
			title = utilCreateString("%s - * %s", self->title, self->filename);
		} else {
			title = utilCreateString("%s - * (no name)", self->title);
		}
	} else {
		if (self->filename) {
			title = utilCreateString("%s - %s", self->title, self->filename);
		} else {
			title = utilCreateString("%s", self->title);
		}
	}
	gtk_window_set_title(GTK_WINDOW(self->window), title);
	DEL(title);
}


void utilShutdown(void) {
	g_idle_remove_by_data(utilDecompressUpdate);
}


void utilStartup(void) {
	g_idle_add(utilDecompressUpdate, utilDecompressUpdate);
}


void utilUpdatePath(WindowDataT *self) {
	DEL(self->path);
	self->path = utilFilePath(self->filename);
}


void utilWindowRegister(gpointer windowData) {
	WindowDataT *w = (WindowDataT *)windowData;

	// Grab title.
	w->title = strdup(gtk_window_get_title(GTK_WINDOW(w->window)));

	gtk_widget_show_all(w->window);
	utilForceUpdate();

	hmput(_windowList, w->window, windowData);
	debug("Window Registered:  %ld\n", hmlen(_windowList));
}


int utilWindowsCloseAll(void) {
	WindowDataT *w;

	debug("Windows Left Open:  %ld\n", hmlen(_windowList));
	while (hmlen(_windowList) > 0) {
		w = (WindowDataT *)_windowList[0].value;
		if (w->closeWindow(w->window, w) == TRUE) {
			// User canceled closing.
			break;
		}
	}

	return utilWindowsOpen();
}


int utilWindowsOpen(void) {
	return hmlen(_windowList);
}


gboolean utilWindowUnRegister(gpointer windowData) {
	int          result;
	WindowDataT *w      = (WindowDataT *)windowData;

	result = hmdel(_windowList, w->window);
	debug("Window Unregistered:  %ld\n", hmlen(_windowList));

	DEL(w->filename);
	DEL(w->path);
	DEL(w->title);

	return (result == 1) ? TRUE : FALSE;
}