gnoemoe/gnoemoe/gm-support.c

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <locale.h>
#include <sys/mman.h>
#include <fcntl.h>

#include <gtk/gtk.h>
#include <regex.h>
#include <libgnome/gnome-url.h>
#include <libgnomevfs/gnome-vfs.h>
#include <errno.h>

#include "gm-support.h"
#include "gm-debug.h"
#include "gm-pixbuf.h"
#include "gm-string.h"
#include "gm-color-table.h"
#include "gm-app.h"

#define URL_REGEXP "(((mailto|news|telnet|nttp|file|http|sftp|ftp|https|dav|callto)://)|(www|ftp)[-A-Za-z0-9]*\\.)[-A-Za-z0-9\\.@:]+[^]''\\.}>\\) ,\\/\\\"\\!]+(:[0-9]*)?(/|/[-A-Za-z0-9_\\$\\.\\+\\!\\*\\(\\),;:@&=\\?/~\\#\\%]*[^]'\\.}>\\) ,\\\"\\!])?"
static regex_t url_regexp;

gchar *
gm_fix_decimal_point(gchar *line, int len) {
	int i;
	struct lconv *l = localeconv();

	if (l->decimal_point[0] == '.') {
		return line;
	}
	
	for (i = 0; i < len; i++) {
		if (line[i] == '.') {
			line[i] = l->decimal_point[0];
		}
	}
  
	return line;
}

gchar *
gm_fix_decimal_point_rev(gchar *line, int len) {
	int i;
	struct lconv *l = localeconv();

	for (i = 0; i < len; i++) {
		if (line[i] == l->decimal_point[0]) {
			line[i] = '.';
		}
	}

	return line;
}

gchar *
gm_ansi_strip(gchar *s) {
	gchar *ptr, *fptr;
	gunichar c;
	
	ptr = s;
	fptr = s;
	
	while (*ptr != '\0') {
		c = g_utf8_get_char(ptr);
		
		// Escape sequence, advance to character after 'm'
		if (c == '\x1B') {
			gm_string_skip_till((const gchar **)(&ptr), "m");
		} else if (c != '\x07') {
			// Store any other character (excluding bell char)
			fptr += g_unichar_to_utf8(c, fptr);
		}
		
		if (*ptr != '\0') {
			ptr = g_utf8_next_char(ptr);
		}
	}

	*fptr = '\0';
	return s;
}

int 
gm_garray_length(gchar **s) { 
	gchar **iter = s;

	while (*iter++ != NULL)
		;
		
	return *iter - *s - 1;
}

void gm_g_list_free_simple(GList *s) {
	GList *tmp;
  
	for (tmp = s; tmp; tmp = tmp->next) {
		g_free(tmp->data);  
	}
  
	g_list_free(s);
}

gchar *
gm_g_list_find_simple(GList *s, gchar *f) {
	GList *tmp;
  
	for (tmp = s; tmp; tmp = tmp->next) {
		if (strcmp(tmp->data, f) == 0) {
			return tmp->data;
		} 
	}
  
	return NULL;
}

gint
gm_dialog(gchar * message, GtkMessageType messagebox_type,
		gint buttons_type, GtkWindow * parent) {
	GtkWidget *dlg;
	gint result;
	
	dlg = gtk_message_dialog_new(parent, 
			GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
			messagebox_type, buttons_type, message, NULL);

	result = gtk_dialog_run(GTK_DIALOG(dlg));
	gtk_widget_destroy(dlg);

	return result;
}

gint
gm_error_dialog(gchar * message, GtkWindow * parent) {
	return gm_dialog(message, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, parent);
}

gint
gm_warning_dialog(gchar * message, GtkWindow * parent) {
	return gm_dialog(message, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, parent);
}

gint
gm_info_dialog(gchar * message, GtkWindow * parent) {
	return gm_dialog(message, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, parent);
}

gint
gm_question_dialog(gchar * message, GtkWindow * parent) {
	return gm_dialog(message, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, parent);
}

void
gm_do_events() {
	while (gtk_events_pending()) {
		gtk_main_iteration();
	}
}

void
gm_directory_remove_all(const gchar * path, gboolean remove_self) {
	GDir *cDir;
	gchar *name;
	gchar *newPath;

	if (g_file_test(path, G_FILE_TEST_IS_DIR)) {
		// Iterate through the files and do the right thingie
		if ((cDir = g_dir_open(path, 0, NULL))) {
			while ((name = (gchar *) (g_dir_read_name(cDir))) != NULL) {
				newPath = g_strconcat(path, "/", name, NULL);
				gm_directory_remove_all(newPath, TRUE);
				g_free(newPath);
			}
			
			g_dir_close(cDir);
		}
	}

	if (remove_self) {
		// Its a file, or just empty! MUST...BE...REMOVEEEED!
		remove(path);
	}
}

gint
gm_url_regex_match(const gchar *msg, int len, GArray *start, GArray *end) {
	static gboolean inited = FALSE;
	regmatch_t matches[1];
	gint ret = 0, num_matches = 0, offset = 0;
	gchar *tmp;
	gint s;  
  
	if (!inited) {
		memset(&url_regexp, 0, sizeof (regex_t));
		regcomp(&url_regexp, URL_REGEXP, REG_EXTENDED);
		inited = TRUE;
	}

	tmp = g_strndup(msg, len);

	while (!ret) {
		ret = regexec(&url_regexp, (char *)(tmp + offset), 1, matches, 0);

		if (ret == 0) {
			if (matches[0].rm_so > matches[0].rm_eo) {
				break;
			}

			num_matches++;

			s = matches[0].rm_so + offset;
			offset = matches[0].rm_eo + offset;

			g_array_append_val(start, s);
			g_array_append_val(end, offset);
		}
	}
	
	g_free(tmp);

	return num_matches;
}

void
gm_open_url(const gchar *url) {
	if (url == NULL || *url == '\0') {
		return;
	}

	/* gnome_url_show doesn't work when there's no protocol, so we might
	 * need to add one.
	 */
	if (strstr(url, "://") == NULL) {
		gchar *tmp;
		
		tmp = g_strconcat("http://", url, NULL);
		gnome_url_show(tmp, NULL);
		g_free(tmp);
		return;
	}
	
	gnome_url_show(url, NULL);
}

void
gm_fetch_handle_free(GmFetchHandle *g) {
	GList *tmp;

	g_free(g->cur_file_name);

	for (tmp = g->source_uri; tmp; tmp = tmp->next) {
		gnome_vfs_uri_unref((GnomeVFSURI*)(tmp->data));
	}
	 
	g_list_free(g->source_uri);


	for (tmp = g->dest_uri; tmp; tmp = tmp->next) {
		gnome_vfs_uri_unref((GnomeVFSURI*)(tmp->data));
	}
	g_list_free(g->dest_uri);

	g_free(g);
}

GmFetchHandle *
gm_fetch_handle_create(GFunc cb, gpointer user_data) {
	GmFetchHandle *g = g_new0(GmFetchHandle, 1);

	g->cb = cb;
	g->user_data = user_data;
	g->prev_status = GNOME_VFS_XFER_PROGRESS_STATUS_OK;
	g->cur_phase = -1;
	g->prev_phase = -1;
	g->cur_file = -1;
	g->prev_file = -1;

	return g;
}

gint
gm_fetch_progress(GnomeVFSAsyncHandle *handle, 
                       GnomeVFSXferProgressInfo *info,
                       GmFetchHandle *g) {
	gchar *name;
	gchar const *err;

	g->cur_phase = info->phase;
	g->cur_file = info->file_index;
	g->files_total = info->files_total;
	g->bytes_total = info->bytes_total;
	g->file_size = info->file_size;
	g->bytes_copied = info->bytes_copied;
	g->total_bytes_copied = info->total_bytes_copied;
	g->status = info->status;

	if (g->aborted) {
		g->cb(g, g->user_data);
		gm_fetch_handle_free(g);
		return FALSE;
	}

	if (info->target_name != NULL) {
		if (g->cur_file_name && strcmp(g->cur_file_name, info->target_name) != 0) {
			g->cur_phase = GNOME_VFS_XFER_PHASE_FILECOMPLETED;
			g->cb(g, g->user_data);
			g->cur_phase = info->phase;    

			g_free(g->cur_file_name);
			g->cur_file_name = NULL;
		}

		if (!g->cur_file_name) {
			g->cur_file_name = g_strdup(info->target_name);
		}
	}
	   
	if (info->status == GNOME_VFS_XFER_PROGRESS_STATUS_OVERWRITE) {
		name = gnome_vfs_get_local_path_from_uri(info->target_name);
		gm_debug_msg(DEBUG_DEFAULT, "GmFetchProgress: asking for overwriting "
				"%s: yes", name);
    
		g->prev_status = GNOME_VFS_XFER_PROGRESS_STATUS_OVERWRITE;
		return GNOME_VFS_XFER_OVERWRITE_ACTION_REPLACE;
	} else if (info->status == GNOME_VFS_XFER_PROGRESS_STATUS_VFSERROR) {
		name = gnome_vfs_get_local_path_from_uri(info->target_name);
		err = gnome_vfs_result_to_string(info->vfs_status); 
     
		gdk_threads_enter();
		gm_debug_msg(DEBUG_DEFAULT, "GmFetchProgress: error for %s: %s", name, 
				err);
		g->cb(g, g->user_data);
		gdk_threads_leave();
    
		g_free(g->cur_file_name);
		g->cur_file_name = NULL;
     
		g->prev_status = GNOME_VFS_XFER_PROGRESS_STATUS_VFSERROR;
		g_free(name);
    
		return GNOME_VFS_XFER_ERROR_ACTION_SKIP;
	}
  
	if (info->phase == GNOME_VFS_XFER_PHASE_COMPLETED) {
		if (g->cur_file_name != NULL) {
			g->cur_phase = GNOME_VFS_XFER_PHASE_FILECOMPLETED;
			g->cb(g, g->user_data);
			g->cur_phase = info->phase;
		}
    
		g->done = TRUE;
		g->cb(g, g->user_data);
		gm_fetch_handle_free(g);
		
		return TRUE;  
	}
  
	g->prev_status = info->status;
  
	return TRUE;
}

gint 
gm_fetch_interact(GnomeVFSXferProgressInfo *info, gpointer user_data) {
	return 1;
}

GmFetchHandle *
gm_fetch(const GList *source, const GList *dest, 
              GFunc cb, gpointer user_data) {
	GmFetchHandle *g = gm_fetch_handle_create(cb, user_data);
	gchar *uri;
	GnomeVFSResult ret;
	
	for (; source; source = source->next) {
		uri = (gchar *)(source->data);
		g->source_uri = g_list_append(g->source_uri, gnome_vfs_uri_new(uri));
	}

	for (; dest; dest = dest->next) {
		uri = (gchar *)(dest->data);
		g->dest_uri = g_list_append(g->dest_uri, gnome_vfs_uri_new(uri));
	}
	
	ret = gnome_vfs_async_xfer(&(g->handle), g->source_uri, g->dest_uri, 
			GNOME_VFS_XFER_DEFAULT|GNOME_VFS_XFER_RECURSIVE,
			GNOME_VFS_XFER_ERROR_MODE_QUERY,
			GNOME_VFS_XFER_OVERWRITE_MODE_REPLACE,
			GNOME_VFS_PRIORITY_DEFAULT,
			(GnomeVFSAsyncXferProgressCallback)gm_fetch_progress,
			g, gm_fetch_interact, g);

	return g;
}

gboolean
gm_is_end_scrolled(GtkScrolledWindow *wnd, guint charHeight) {
	GtkAdjustment *ad = gtk_scrolled_window_get_vadjustment(wnd);

	return ((ad->page_size + ad->value) >= ad->upper - (double)charHeight);
}

void
gm_scroll_end(GtkTextView *view, gboolean needs) {
	GtkTextBuffer *buf;
	GtkTextMark *mark;
	GtkTextIter iter;

	if (!needs) {
		return;
	}

	buf = gtk_text_view_get_buffer(view);
	mark = gtk_text_buffer_get_mark(buf, "end-of-buffer");

	if (mark == NULL) {
		gtk_text_buffer_get_end_iter(buf, &iter);
		mark = gtk_text_buffer_create_mark(buf, "end-of-buffer", &iter, FALSE);
	}

	gtk_text_view_scroll_to_mark(view, mark, 0.0, TRUE, 1.0, 1.0);
}

#define MAX_BUF 1024

gchar *
gm_read_file(const gchar *fname) {
	int fd;
	gchar  *tmp, *mapped;
	long bytes_total = 0;
  
	if (!fname) {
    	return NULL;
	}

	fd = open(fname, O_RDONLY);

	if (fd == -1) {
		gm_debug_msg(DEBUG_DEFAULT, "GmReadFile: file (%s) could not be read: "
				"%s", fname, strerror(errno));
		return NULL;
	}
	
	bytes_total = lseek(fd, 0, SEEK_END);
	lseek(fd, 0, SEEK_SET);
		
	if (bytes_total == (off_t)-1) {
		close(fd);
		return NULL;
	}
	
	mapped = mmap(0, bytes_total, PROT_READ, MAP_PRIVATE, fd, 0);
	
	if (mapped == MAP_FAILED) {
		close(fd);

		gm_debug_msg(DEBUG_DEFAULT, "GmReadFile: error while mapping file: %s",
				strerror(errno));
		return NULL;
	}
	
	if (g_utf8_validate(mapped, bytes_total, NULL)) {
		// Easy, this is utf8!
		tmp = g_strndup(mapped, bytes_total);
	} else {
		// Try locale
		tmp = g_locale_to_utf8(mapped, bytes_total, NULL, NULL, NULL);
		
		if (!tmp) {
			// Now we're getting desperate... try ISO-8859-15
			tmp = g_convert(mapped, bytes_total, "UTF-8", "ISO-8859-15", NULL, 
					NULL, NULL);
		}
		
		if (!tmp) {
			// OMG try one last conversion to ISO-8859-1
			tmp = g_convert(mapped, bytes_total, "UTF-8", "ISO-8859-1", NULL, 
					NULL, NULL);
		}
	}
	
	munmap(mapped, bytes_total);
	close(fd);
	return tmp;
}

GtkWidget *
gm_create_tab_label(const gchar *icon, const gchar *caption, gboolean has_exit,
		GmLabelInfo *info) {
	/* First create the gbox (size 3) which will contain an icon, a label and a 
	exit button if has_exit is true */
	GtkWidget *hboxTabLabel;
	gint h, w;
	GtkRcStyle *rcstyle;

	hboxTabLabel = gtk_hbox_new(FALSE, 4);

	gtk_widget_show(hboxTabLabel);

	gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &w, &h);
	info->image_icon = gtk_image_new_from_pixbuf(
			gm_pixbuf_get_at_size(icon, w, h));

	gtk_widget_set_size_request(info->image_icon, w, h);
	gtk_widget_show(info->image_icon);
	gtk_box_pack_start(GTK_BOX(hboxTabLabel), info->image_icon, TRUE, TRUE, 0);

	info->label_name = gtk_label_new(caption);
	gtk_widget_show(info->label_name);
	gtk_box_pack_start(GTK_BOX(hboxTabLabel), info->label_name, FALSE, FALSE, 0);

	if (has_exit) {
		info->button_exit = gtk_button_new();
		gtk_widget_show(info->button_exit);

		gtk_box_pack_end(GTK_BOX(hboxTabLabel), info->button_exit , FALSE,
				FALSE, 0);

		gtk_button_set_relief(GTK_BUTTON(info->button_exit), GTK_RELIEF_NONE);
		gtk_button_set_focus_on_click(GTK_BUTTON(info->button_exit), FALSE);
		gtk_widget_set_size_request(info->button_exit, w + 2, h + 2);

        rcstyle = gtk_rc_style_new();
		rcstyle->xthickness = rcstyle->ythickness = 0;
		gtk_widget_modify_style(info->button_exit, rcstyle);
		gtk_rc_style_unref(rcstyle);

		info->image_exit = gtk_image_new_from_stock(GTK_STOCK_CLOSE, 
				GTK_ICON_SIZE_MENU);
		gtk_widget_show(info->image_exit);
		gtk_container_add(GTK_CONTAINER(info->button_exit), info->image_exit);
	}

	return hboxTabLabel;
}

void
gm_widget_destroy_data(GtkWidget *caller, GtkWidget *destroyer) {
	if (GTK_IS_WIDGET(destroyer)) {
		gtk_widget_destroy(destroyer);
	}
}

const gchar *
gm_default_charset() {
	static const gchar *loc = NULL;
	
	if (loc == NULL) {
		g_get_charset(&loc);
	}

	if (loc == NULL || *loc == 0) {
		loc = "ISO-8859-15";
	}

	return loc;
}

void
gm_notebook_focus_from_label(GtkNotebook *note, gchar *caption) {
	int p = gtk_notebook_get_n_pages(note);
	int i;
	GtkWidget *child;

	for (i = 0; i < p; i++) {
		child = gtk_notebook_get_nth_page(note, i);
		if (!g_strcasecmp(gtk_notebook_get_tab_label_text(note, child), 
				caption)) {
			gtk_notebook_set_current_page(note, i);
			break;
		}
	}
}

GtkWidget *
gm_find_parent(GtkWidget *widget, GType parent_type) {
	if (widget == NULL) {
		return NULL;
	}
	
	if (G_TYPE_CHECK_INSTANCE_TYPE(widget, parent_type)) {
		return widget;
	}
	
	return gm_find_parent(gtk_widget_get_parent(widget), parent_type);
}

GtkWidget *
gm_find_child(GtkWidget *widget, GType parent_type) {
	GList *children, *child;
	
	if (widget == NULL) {
		return NULL;
	}
	
	if (G_TYPE_CHECK_INSTANCE_TYPE(widget, parent_type)) {
		return widget;
	}
	
	if (GTK_IS_CONTAINER(widget)) {
		children = gtk_container_get_children(GTK_CONTAINER(widget));
		widget = NULL;

		for (child = children; child; child = child->next) {
			widget = gm_find_child(GTK_WIDGET(child->data), parent_type);
			
			if (widget) {
				break;
			}
		}
		
		g_list_free(children);
		
		return widget;
	} else {
		return NULL;
	}
}

gchar *
gm_convert_with_fallback(gchar const *text, gssize len, gchar const *from, 
		gchar const *to, gchar const *fallback) {
	gchar *res;
	gsize read, written;
	GString *str = g_string_new("");
	
	// TODO: use g_iconv instead of g_convert
	
	while ((res = g_convert(text, len, to, from, &read, &written, NULL))
			== NULL) {
		res = g_convert(text, read, to, from, NULL, NULL, NULL);
		str = g_string_append(str, res);
		
		str = g_string_append(str, fallback);
		text = text + read + 1;
		
		if (len != -1)
			len = len - read - 1;
	}
	
	str = g_string_append(str, res);
	g_free(res);
	
	res = str->str;
	g_string_free(str, FALSE);
	return res;
}

gchar *
gm_from_utf8_with_fallback(gchar const *text, gssize len, gchar const *to, 
		gchar const *fallback) {
	return gm_convert_with_fallback(text, len, "UTF-8", to, fallback);
}

gchar *
gm_to_utf8_with_fallback(gchar const *text, gssize len, gchar const *from, 
		gchar const *fallback) {
	return gm_convert_with_fallback(text, len, from, "UTF-8", fallback);
}

GtkWidget *
gm_container_item(GtkContainer *cnt, GType type) {
	GList *child_first = gtk_container_get_children(cnt);
	GList *child;
	GtkWidget *result = NULL;

	for (child = child_first; child; child = child->next) {
		if (G_TYPE_CHECK_INSTANCE_TYPE(child->data, type)) {
			result = GTK_WIDGET(child->data);
			break;
		} else if (GTK_IS_CONTAINER(child->data)) {
			if ((result = gm_container_item(
            		GTK_CONTAINER(child->data), type))) {
				break;
			}
		}
	}

	g_list_free(child_first);
	return result;
}

static void
modify_cursor_color(GtkWidget *textview, GdkColor *color) {
	static const char cursor_color_rc[] =
			"style \"svs-cc\"\n"
			"{\n"
			"GtkTextView::cursor-color=\"#%04x%04x%04x\"\n"
			"}\n"
			"widget \"*.%s\" style : application \"svs-cc\"\n";
	const gchar *name;
	gchar *rc_temp;
	
	name = gtk_widget_get_name(textview);
	
	if (!name) {
		gtk_widget_set_name(textview, "GmSchemedTextView");
		name = gtk_widget_get_name(textview); 
	}

	g_return_if_fail(name != NULL);

	if (color != NULL) {
		rc_temp = g_strdup_printf(cursor_color_rc, color->red, color->green,
				color->blue, name);
	} else {
		GtkRcStyle *rc_style;
		rc_style = gtk_widget_get_modifier_style(textview);
		rc_temp = g_strdup_printf(cursor_color_rc,
				rc_style->text[GTK_STATE_NORMAL].red,
				rc_style->text[GTK_STATE_NORMAL].green,
				rc_style->text[GTK_STATE_NORMAL].blue,
				name);
	}

	gtk_rc_parse_string(rc_temp);
	gtk_widget_reset_rc_styles(textview);

	g_free(rc_temp);
}

void
on_color_changed(GmColorTable *table, gchar const *color, GtkWidget *widget) {
	GdkColor col;
	
	g_object_set_data(G_OBJECT(widget), "gm_schemed_modifying_style", 
			GINT_TO_POINTER(1));
	
	if (strcmp(color, "fg_default") == 0) {
		gm_color_table_get(table, color, &col);
		gtk_widget_modify_text(widget, GTK_STATE_NORMAL, &col);

		// Modify the cursor color		
		if (GTK_IS_TEXT_VIEW(widget)) {
			modify_cursor_color(widget, &col);
		}
	} else if (strcmp(color, "bg_default") == 0) {
		gm_color_table_get(table, color, &col);
		gtk_widget_modify_base(widget, GTK_STATE_NORMAL, &col);
	}
	
	g_object_set_data(G_OBJECT(widget), "gm_schemed_modifying_style", 
			GINT_TO_POINTER(0));
}

void
on_font_changed(GmColorTable *table, gchar const *font, GtkWidget *widget) {
	PangoFontDescription *desc = pango_font_description_from_string(font);
	
	if (desc) {
		gtk_widget_modify_font(widget, desc);
		pango_font_description_free(desc);
	}
}

void
on_style_set(GtkWidget *widget, GtkStyle *prev, gpointer user_data) {
	GmSchemedFlags flags = GPOINTER_TO_INT(user_data);
	GmColorTable *table = GM_COLOR_TABLE(g_object_get_data(G_OBJECT(widget), 
			"gm_color_table"));
	gpointer modifying = g_object_get_data(G_OBJECT(widget), 
			"gm_schemed_modifying_style");

	if (modifying != NULL && GPOINTER_TO_INT(modifying) == 1) {
		return;
	}
	
	if (flags & GM_SCHEMED_COLORS) {
		on_color_changed(table, "fg_default", widget);
		on_color_changed(table, "bg_default", widget);
	}
	if (flags & GM_SCHEMED_FONT) {
		on_font_changed(table, gm_color_table_font_description(table), widget);	
	}
}

void 
on_widget_destroy(GtkWidget *widget, gpointer data) {
	GmSchemedFlags flags = GPOINTER_TO_INT(data);
	GmColorTable *table = GM_COLOR_TABLE(g_object_get_data(G_OBJECT(widget), 
			"gm_color_table"));
	
	if (flags & GM_SCHEMED_COLORS) {
		g_signal_handlers_disconnect_by_func(table, 
				G_CALLBACK(on_color_changed), widget);
	}
	if (flags & GM_SCHEMED_FONT) {
		g_signal_handlers_disconnect_by_func(table, 
				G_CALLBACK(on_font_changed), widget);
	}
	
	//g_signal_handlers_disconnect_by_func(widget, G_CALLBACK(on_style_set),
	//		data);
	g_signal_handlers_disconnect_by_func(widget, G_CALLBACK(on_widget_destroy),
			data);
}

void
gm_register_schemed(GtkWidget *widget, GmColorTable *table, 
		GmSchemedFlags flags) {
	gpointer data = g_object_get_data(G_OBJECT(widget), "gm_color_table");
	
	if (data != NULL) {
		on_widget_destroy(widget, GINT_TO_POINTER(flags));
	}
	
	if (table == NULL) {
		return;
	}
	
	g_object_set_data(G_OBJECT(widget), "gm_color_table", table);

	if (flags & GM_SCHEMED_COLORS) {
		g_signal_connect(table, "color-changed",
				G_CALLBACK(on_color_changed), widget);
		on_color_changed(table, "fg_default", widget);
		on_color_changed(table, "bg_default", widget);
	}
	if (flags & GM_SCHEMED_FONT) {
		g_signal_connect(table, "font-changed",
				G_CALLBACK(on_font_changed), widget);
		on_font_changed(table, gm_color_table_font_description(table), widget);
	}
	
	//g_signal_connect(widget, "style-set",
	//		G_CALLBACK(on_style_set), GINT_TO_POINTER(flags));
	
	g_signal_connect(widget, "destroy",
			G_CALLBACK(on_widget_destroy), GINT_TO_POINTER(flags));
}