src/gtkthemes.c

Mon, 06 Feb 2006 07:46:35 +0000

author
Christophe Chapuis <tofe2tofe@users.sourceforge.net>
date
Mon, 06 Feb 2006 07:46:35 +0000
changeset 13134
e5898f2191a4
parent 12915
d3efd3201aec
child 13587
fb0245a7ccab
permissions
-rw-r--r--

[gaim-migrate @ 15495]
SF Patch #1419139 from Christophe Chapuis (tofe2tofe)

"Tests have been added to check if the '\' character can
be skipped in the theme.
Another test has been added to check there is no buffer
overrun while reading the smiley definition."

committer: Richard Laager <rlaager@pidgin.im>

/*
 * Themes for Gaim
 *
 * Gaim is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include "internal.h"
#include "gtkgaim.h"

#include "conversation.h"
#include "debug.h"
#include "prpl.h"
#include "util.h"

#include "gtkconv.h"
#include "gtkdialogs.h"
#include "gtkimhtml.h"
#include "gtkthemes.h"

GSList *smiley_themes = NULL;
struct smiley_theme *current_smiley_theme;

gboolean gaim_gtkthemes_smileys_disabled()
{
	if (!current_smiley_theme)
		return 1;

	return strcmp(current_smiley_theme->name, "none") == 0;
}

void gaim_gtkthemes_smiley_themeize(GtkWidget *imhtml)
{
	struct smiley_list *list;
	if (!current_smiley_theme)
		return;

	gtk_imhtml_remove_smileys(GTK_IMHTML(imhtml));
	list = current_smiley_theme->list;
	while (list) {
		char *sml = !strcmp(list->sml, "default") ? NULL : list->sml;
		GSList *icons = list->smileys;
		while (icons) {
			gtk_imhtml_associate_smiley(GTK_IMHTML(imhtml), sml, icons->data);
			icons = icons->next;
		}
		list = list->next;
	}
}

void gaim_gtkthemes_load_smiley_theme(const char *file, gboolean load)
{
	FILE *f = g_fopen(file, "r");
	char buf[256];
	char *i;
	struct smiley_theme *theme=NULL;
	struct smiley_list *list = NULL;
	GSList *lst = smiley_themes;
	char *dirname;

	if (!f)
		return;

	while (lst) {
		struct smiley_theme *thm = lst->data;
		if (!strcmp(thm->path, file)) {
			theme = thm;
			break;
		}
		lst = lst->next;
	}

	if (!theme) {
		theme = g_new0(struct smiley_theme, 1);
		theme->path = g_strdup(file);
		smiley_themes = g_slist_append(smiley_themes, theme);
	}

	dirname = g_path_get_dirname(file);
	if (load) {
		if (current_smiley_theme) {
			GSList *already_freed = NULL;
			struct smiley_list *wer = current_smiley_theme->list, *wer2;
			while (wer) {
				while (wer->smileys) {
					GtkIMHtmlSmiley *uio = wer->smileys->data;
					if (uio->icon)
						g_object_unref(uio->icon);
					if (!g_slist_find(already_freed, uio->file)) {
						g_free(uio->file);
						already_freed = g_slist_append(already_freed, uio->file);
					}
					g_free(uio->smile);
					g_free(uio);
					wer->smileys=g_slist_remove(wer->smileys, uio);
				}
				wer2 = wer->next;
				g_free(wer->sml);
				g_free(wer);
				wer = wer2;
			}
			current_smiley_theme->list = NULL;
			g_slist_free(already_freed);
		}
		current_smiley_theme = theme;
	}


	while (!feof(f)) {
		if (!fgets(buf, sizeof(buf), f)) {
			break;
		}

		if (buf[0] == '#' || buf[0] == '\0')
			continue;

		i = buf;
		while (isspace(*i))
			i++;

		if (*i == '[' && strchr(i, ']') && load) {
			struct smiley_list *child = g_new0(struct smiley_list, 1);
			child->sml = g_strndup(i+1, strchr(i, ']') - i - 1);
			if (theme->list)
				list->next = child;
			else
				theme->list = child;
			list = child;
		} else if (!g_ascii_strncasecmp(i, "Name=", strlen("Name="))) {
			if(theme->name)
				g_free(theme->name);
			theme->name = g_strdup(i+ strlen("Name="));
			theme->name[strlen(theme->name)-1] = 0;
		} else if (!g_ascii_strncasecmp(i, "Description=", strlen("Description="))) {
			if(theme->desc)
				g_free(theme->desc);
			theme->desc = g_strdup(i + strlen("Description="));
			theme->desc[strlen(theme->desc)-1] = 0;
		} else if (!g_ascii_strncasecmp(i, "Icon=", strlen("Icon="))) {
			if(theme->icon)
				g_free(theme->icon);
			theme->icon = g_build_filename(dirname, i + strlen("Icon="), NULL);
			theme->icon[strlen(theme->icon)-1] = 0;
		} else if (!g_ascii_strncasecmp(i, "Author=", strlen("Author="))) {
			if(theme->author)
				g_free(theme->author);
			theme->author = g_strdup(i + strlen("Author="));
			theme->author[strlen(theme->author)-1] = 0;
		} else if (load && list) {
			gboolean hidden = FALSE;
			char *sfile = NULL;

			if (*i == '!' && *(i + 1) == ' ') {
				hidden = TRUE;
				i = i + 2;
			}
			while  (*i) {
				char l[64];
				int li = 0;
				while (!isspace(*i) && li < sizeof(l) - 1) {
					if (*i == '\\' && *(i+1) != '\0' && *(i+1) != '\n' && *(i+1) != '\r')
						i++;
					l[li++] = *(i++);
				}
				if (!sfile) {
					l[li] = 0;
					sfile = g_build_filename(dirname, l, NULL);
				} else {
					GtkIMHtmlSmiley *smiley = g_new0(GtkIMHtmlSmiley, 1);
					l[li] = 0;
					smiley->file = sfile;
					smiley->smile = g_strdup(l);
					smiley->hidden = hidden;
					list->smileys = g_slist_append(list->smileys, smiley);
				}
				while (isspace(*i))
					i++;

			}
		}
	}

	if (load) {
		GList *cnv;

		for (cnv = gaim_get_conversations(); cnv != NULL; cnv = cnv->next) {
			GaimConversation *conv = cnv->data;

			if (GAIM_IS_GTK_CONVERSATION(conv)) {
				gaim_gtkthemes_smiley_themeize(GAIM_GTK_CONVERSATION(conv)->imhtml);
				gaim_gtkthemes_smiley_themeize(GAIM_GTK_CONVERSATION(conv)->entry);
			}
		}
	}

	g_free(dirname);
	fclose(f);
}

void gaim_gtkthemes_smiley_theme_probe()
{
	GDir *dir;
	const gchar *file;
	gchar *path;
	int l;

	char* probedirs[3];
	probedirs[0] = g_build_filename(DATADIR, "pixmaps", "gaim", "smileys", NULL);
	probedirs[1] = g_build_filename(gaim_user_dir(), "smileys", NULL);
	probedirs[2] = 0;
	for (l=0; probedirs[l]; l++) {
		dir = g_dir_open(probedirs[l], 0, NULL);
		if (dir) {
			while ((file = g_dir_read_name(dir))) {
				path = g_build_filename(probedirs[l], file, "theme", NULL);

				/* Here we check to see that the theme has proper syntax.
				 * We set the second argument to FALSE so that it doesn't load
				 * the theme yet.
				 */
				gaim_gtkthemes_load_smiley_theme(path, FALSE);
				g_free(path);
			}
			g_dir_close(dir);
		} else if (l == 1) {
			g_mkdir(probedirs[l], S_IRUSR | S_IWUSR | S_IXUSR);
		}
		g_free(probedirs[l]);
	}
}

GSList *gaim_gtkthemes_get_proto_smileys(const char *id) {
	GaimPlugin *proto;
	struct smiley_list *list, *def;

	if ((current_smiley_theme == NULL) || (current_smiley_theme->list == NULL))
		return NULL;

	def = list = current_smiley_theme->list;

	if (id == NULL)
		return def->smileys;

	proto = gaim_find_prpl(id);

	while (list) {
		if (!strcmp(list->sml, "default"))
			def = list;
		else if (proto && !strcmp(proto->info->name, list->sml))
			break;

		list = list->next;
	}

	return list ? list->smileys : def->smileys;
}

void gaim_gtkthemes_init()
{
	GSList *l;
	const char *current_theme =
		gaim_prefs_get_string("/gaim/gtk/smileys/theme");

	gaim_gtkthemes_smiley_theme_probe();

	for (l = smiley_themes; l; l = l->next) {
		struct smiley_theme *smile = l->data;
		if (smile->name && strcmp(current_theme, smile->name) == 0) {
			gaim_gtkthemes_load_smiley_theme(smile->path, TRUE);
			break;
		}
	}

	/* If we still don't have a smiley theme, choose the first one */
	if (!current_smiley_theme && smiley_themes) {
		struct smiley_theme *smile = smiley_themes->data;
		gaim_gtkthemes_load_smiley_theme(smile->path, TRUE);
	}

}

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