conf.c

lrc 歌词解析和实时显示源码, 是开发 mp3, 播放器的很好的模块

/*  XLyrics by xiaosuo <[e-mail]>
 *  Homepage gentux.blogchina.com
 *
 *  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.
 */

#include<gtk/gtk.h>
#include<gdk/gdk.h>
#include<glib.h>
#include<stdio.h>
#include<dirent.h>
#include"xlyrics.h"
#include"conf.h"
#include"internal.h"

GtkWidget* conf_win;
GtkWidget* color_win;
GtkWidget* font_win;
GtkWidget* file_win;
GtkWidget* bg_entry;
GtkWidget* ac_entry;
GtkWidget* ua_entry;

GSList* read_config(gchar *config_name)
{
	FILE *conf_file;
	GSList *list = NULL;
	ConfItem *item = NULL;
	gchar full_name[255];
	gchar *in_index;
	gchar *in_value;
	gchar *iter;
	gchar buffer[255];

	if( config_name == NULL)
		return NULL;

	snprintf(full_name, 255, "%s/.%s", g_get_home_dir(), config_name);

	if((conf_file = fopen( full_name, "r")) == NULL)
		return NULL;

	while(1)
	{
		if(!fgets(buffer, 255, conf_file))
		{
			fclose(conf_file);
			return list;
		}

		buffer[254] = 0;
		iter = buffer + strlen(buffer) - 1;
		*iter = 0;
		
		if((iter = strstr(buffer, " = ")))
		{
			*iter = 0;
			in_index = buffer;
			in_value = iter+3;
		}
		else
		{
			in_index = buffer;
			in_value = buffer;
		}

		item = g_new(ConfItem, 1);
		item->index = (gchar*)strdup(in_index);
		item->value = (gchar*)strdup(in_value);
		list = g_slist_append(list, item);
	}
}

gboolean write_config(gchar *config_name, GSList *config_list)
{
	FILE *conf_file;
	ConfItem *item;
	GSList *list;
	gchar full_name[255];

	if( config_name == NULL || config_list == NULL)
		return FALSE;

	snprintf(full_name, 255, "%s/.%s", g_get_home_dir(), config_name);

	if((conf_file = fopen( full_name, "w+")) == NULL)
		return FALSE;

	for(list=config_list; list; list=list->next)
	{
		item = (ConfItem*)(list->data);
		fprintf(conf_file, "%s = %s\n",
				item->index, item->value);
	}

	fclose(conf_file);
	return TRUE;
}

gboolean free_config(GSList *config_list)
{
	GSList *list;
	ConfItem *item;

	if(!config_list)
		return FALSE;

	list = config_list;

	while(list)
	{
		item = (ConfItem*)(list->data);
		g_free(item->index);
		g_free(item->value);
		g_free(item);
		list = list->next;
	}

	g_slist_free(config_list);
	return TRUE;

}
gboolean get_config_str(GSList *config_list, gchar* index, gchar* value)
{
	GSList *list;
	ConfItem *item;

	for(list=config_list; list; list=list->next)
	{
		item = (ConfItem*)(list->data);
		if(!strcmp(index, item->index))
		{
			strcpy(value, item->value);
			return TRUE;
		}
	}

	return FALSE;
}

gboolean set_config_str(GSList** config_list, gchar* index, gchar* value)
{
	GSList *list;
	ConfItem *item;

	for(list=*config_list; list; list=list->next)
	{
		item = (ConfItem*)(list->data);
		if(!strcmp(index, item->index))
		{
			g_free(item->value);
			item->value = g_strdup(value);
			return TRUE;
		}
	}

	item = g_new(ConfItem, 1);
	item->index = (gchar*)strdup(index);
	item->value = (gchar*)strdup(value);
	*config_list = g_slist_append(*config_list, item);

	return FALSE;
}

gboolean get_config_int(GSList *config_list, gchar* index, gint* value)
{
	GSList *list;
	ConfItem *item;

	for(list=config_list; list; list=list->next)
	{
		item = (ConfItem*)(list->data);
		if(!strcmp(index, item->index))
		{
			*value = atoi(item->value);
			return TRUE;
		}
	}

	return FALSE;
}

gboolean set_config_int(GSList** config_list, gchar* index, gint* value)
{
	GSList *list;
	ConfItem *item;

	for(list=*config_list; list; list=list->next)
	{
		item = (ConfItem*)(list->data);
		if(!strcmp(index, item->index))
		{
			g_free(item->value);
			item->value = g_strdup_printf("%d", *value);
			return TRUE;
		}
	}

	item = g_new(ConfItem, 1);
	item->index = g_strdup(index);
	item->value = g_strdup_printf("%d", *value);
	*config_list = g_slist_append(*config_list, item);

	return FALSE;
}

gboolean init_config(gchar *config_name)
{
	GSList *list;

	list = read_config(config_name);

	/*have the lyrics file*/
	if(list)
	{
		get_config_int(list, "width", &width);
		get_config_int(list, "height", &height);
		get_config_int(list, "pos_x", &pos_x);
		get_config_int(list, "pos_y", &pos_y);

		get_config_int(list, "look_in_mp3dir_mode", &look_in_mp3dir_mode);
		get_config_int(list, "is_keep_above", &is_keep_above);
		get_config_int(list, "have_border", &have_border);
		get_config_int(list, "is_fit_width", &is_fit_width);
		get_config_int(list, "hide_not_found", &hide_not_found);

		get_config_str(list, "lyrics_font", lyrics_font);
		get_config_str(list, "lyrics_dir", lyrics_dir);
		get_config_str(list, "plugin_name", plugin_name);

		get_config_int(list, "opacity",(gint*)&(opacity));

		get_config_int(list, "bg_color.pixel",(gint*)&(bg_color.pixel));
		get_config_int(list, "bg_color.red", (gint*)&(bg_color.red));
		get_config_int(list, "bg_color.green", (gint*)&(bg_color.green));
		get_config_int(list, "bg_color.blue", (gint*)&(bg_color.blue));

		get_config_int(list, "ac_color.pixel", (gint*)&(ac_color.pixel));
		get_config_int(list, "ac_color.red", (gint*)&(ac_color.red));
		get_config_int(list, "ac_color.green", (gint*)&(ac_color.green));
		get_config_int(list, "ac_color.blue", (gint*)&(ac_color.blue));


		get_config_int(list, "ua_color.pixel", (gint*)&(ua_color.pixel));
		get_config_int(list, "ua_color.red", (gint*)&(ua_color.red));
		get_config_int(list, "ua_color.green", (gint*)&(ua_color.green));
		get_config_int(list, "ua_color.blue", (gint*)&(ua_color.blue));
	}
	/* else use the default*/

	free_config(list);
}

gboolean update_config(gchar *config_name)
{
	GSList *list = NULL;

	set_config_int(&list, "width", &width);
	set_config_int(&list, "height", &height);
	set_config_int(&list, "pos_x", &pos_x);
	set_config_int(&list, "pos_y", &pos_y);

	set_config_int(&list, "look_in_mp3dir_mode", &look_in_mp3dir_mode);
	set_config_int(&list, "is_keep_above", &is_keep_above);
	set_config_int(&list, "have_border", &have_border);
	set_config_int(&list, "is_fit_width", &is_fit_width);
	set_config_int(&list, "hide_not_found", &hide_not_found);

	set_config_str(&list, "lyrics_font", lyrics_font);
	set_config_str(&list, "lyrics_dir", lyrics_dir);
	set_config_str(&list, "plugin_name", plugin_name);

	set_config_int(&list, "opacity",(gint*)&(opacity));

	set_config_int(&list, "bg_color.pixel",(gint*)&(bg_color.pixel));
	set_config_int(&list, "bg_color.red", (gint*)&(bg_color.red));
	set_config_int(&list, "bg_color.green", (gint*)&(bg_color.green));
	set_config_int(&list, "bg_color.blue", (gint*)&(bg_color.blue));

	set_config_int(&list, "ac_color.pixel", (gint*)&(ac_color.pixel));
	set_config_int(&list, "ac_color.red", (gint*)&(ac_color.red));
	set_config_int(&list, "ac_color.green", (gint*)&(ac_color.green));
	set_config_int(&list, "ac_color.blue", (gint*)&(ac_color.blue));


	set_config_int(&list, "ua_color.pixel", (gint*)&(ua_color.pixel));
	set_config_int(&list, "ua_color.red", (gint*)&(ua_color.red));
	set_config_int(&list, "ua_color.green", (gint*)&(ua_color.green));
	set_config_int(&list, "ua_color.blue", (gint*)&(ua_color.blue));

	write_config(config_name, list);
	free_config(list);
}
/* the interface design*/
GtkWidget* about(void)
{
	GtkWidget *about;

	about = gtk_label_new(NULL);
	gtk_label_set_justify(GTK_LABEL(about), GTK_JUSTIFY_CENTER);
	gtk_label_set_markup(GTK_LABEL(about),
			_("<span foreground=\"red\"><big>Xlyrics</big></span>\n Xlyrics is a software \n used for display the lyrics for XMMS\n and Beep Media Player, etc.\n\n Author: xiaosuo ([e-mail])\n Homepage: gentux.blogchina.com"));
	return about;
}

void set_color(GtkWidget *widget, gpointer option)
{
	if((gchar*)option == NULL)
	{
		gtk_widget_destroy(GTK_WIDGET(color_win));
		return;
	}
	else if(!strcmp((gchar*)option, "bg"))
	{
		gtk_color_selection_get_current_color(
				GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(color_win)->colorsel), &bg_color);
		gtk_widget_modify_base(bg_entry, GTK_STATE_NORMAL, &bg_color);
	}
	else if(!strcmp((gchar*)option, "ac"))
	{
		gtk_color_selection_get_current_color(
				GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(color_win)->colorsel), &ac_color);
		gtk_widget_modify_base(ac_entry, GTK_STATE_NORMAL, &ac_color);
	}
	else if(!strcmp((gchar*)option, "ua"))
	{
		gtk_color_selection_get_current_color(
				GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(color_win)->colorsel), &ua_color);
		gtk_widget_modify_base(ua_entry, GTK_STATE_NORMAL, &ua_color);
	}
	is_config_update = TRUE;

	gtk_widget_destroy(GTK_WIDGET(color_win));
}
void sel_color(GtkWidget *widget, GdkEvent *event, gpointer option)
{
	gchar* title;

	if(!strcmp((gchar*)option, "bg"))
		title = g_strdup(_("Change background color"));
	else if(!strcmp((gchar*)option, "ac"))
		title = g_strdup(_("Change activated font color"));
	else if(!strcmp((gchar*)option, "ua"))
		title = g_strdup(_("Change unactivated font color"));
	else
		return;

	color_win = gtk_color_selection_dialog_new(title);
	if(!strcmp((gchar*)option, "bg"))
		gtk_color_selection_set_current_color(
			GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(color_win)->colorsel), &bg_color);
	else if(!strcmp((gchar*)option, "ac"))
		gtk_color_selection_set_current_color(
			GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(color_win)->colorsel), &ac_color);
	else if(!strcmp((gchar*)option, "ua"))
		gtk_color_selection_set_current_color(