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/* remember layout configuration of gnometoaster's windows,esp.
* the size of the main window */
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "layoutconfig.h"
#include "configfile.h"
#include "varman.h"
#include "preferences.h"
/* uncomment for debugging */
/* #define DEBUG */
#define LAYOUTCONFIG_CONFIGSECTION "[Layout]"
typedef struct
{
GtkWidget *w;
char name[255];
char value[255];
}
layoutconfig_widgetentry;
GList *layoutconfig_widgets=NULL;
/* temporary buffer for the following function */
char layoutconfig_getvalue_copy[255];
/* return a specific definition within a widget entry */
char *layoutconfig_getstring(char *settings,char *name)
{
char *result;
#ifdef DEBUG
printf ("layoutconfig_getstring: scanning %s for %s\n",
settings,name);
#endif
strcpy((char*)&layoutconfig_getvalue_copy,settings);
result=strstr((char*)&layoutconfig_getvalue_copy,name);
if ((result!=NULL)&&(*(result+strlen(name))=='='))
{
/* position after '=' */
result+=(strlen(name)+1);
/* terminate with 0 */
if (strchr(result,',')!=NULL)
*strchr(result,',')=0;
};
#ifdef DEBUG
printf ("layoutconfig_getstring: result=%s\n",result);
#endif
return result;
};
int layoutconfig_getvalue(char *settings,char *name)
{
char *string;
int result;
string=layoutconfig_getstring(settings,name);
if (string!=NULL)
{
sscanf(string,"%d",&result);
}
else
result=0;
return result;
};
/* update a widget with the values stored in value */
void layoutconfig_updatewidget(GtkWidget *w,char *value)
{
if (w!=NULL)
{
if (w->window!=NULL)
{
/* go lowlevel here ?!? */
gdk_window_move_resize(w->window,
layoutconfig_getvalue(value,"xpos"),
layoutconfig_getvalue(value,"ypos"),
layoutconfig_getvalue(value,"width"),
layoutconfig_getvalue(value,"height"));
};
};
};
/* store informations about widget w in value */
void layoutconfig_getwidgetinfo(GtkWidget *w,char *value)
{
int x,y,width,height;
if (w!=NULL)
{
gdk_window_get_position(w->window,&x,&y);
gdk_window_get_size(w->window,&width,&height);
strcpy(value,"");
sprintf(value,"width=%d,height=%d,xpos=%d,ypos=%d",
width,height,x,y);
};
};
layoutconfig_widgetentry *layoutconfig_findentry(gchar *name)
{
GList *current;
layoutconfig_widgetentry *result=NULL;
for (current=layoutconfig_widgets;
current!=NULL;
current=current->next)
{
if (!strcasecmp((char*)&((layoutconfig_widgetentry*)current->data)->name,
name))
result=(layoutconfig_widgetentry*)current->data;
};
return result;
};
void layoutconfig_loaddatabase(gchar *filename)
{
FILE *f;
layoutconfig_widgetentry *e;
char name[255];
char value[255];
f=fopen(filename,"r");
/* if config file exists */
if (f!=NULL)
{
/* if layout definitions exist */
if (configfile_seeksection(f,LAYOUTCONFIG_CONFIGSECTION))
{
do
{
configfile_getnextentry(f,(char*)&name,(char*)&value);
if (strlen((char*)&name)>0)
{
e=layoutconfig_findentry((char*)&name);
if (e==NULL)
{
e=(layoutconfig_widgetentry*)malloc(sizeof(layoutconfig_widgetentry));
layoutconfig_widgets=g_list_append(layoutconfig_widgets,
(gpointer)e);
strcpy((char*)&e->name,(char*)&name);
strcpy((char*)&e->value,(char*)&value);
e->w=NULL;
};
/* update widget properties *
* in case there's already a widget registered with this name */
layoutconfig_updatewidget(e->w,(char*)&value);
};
}
while (strlen((char*)&name)>0);
};
/* close config file only if it could be opened successfully */
fclose(f);
};
};
/* save callback. gets called whenever the config file is saved
* updates all widget settings and writes them into the config file */
void layoutconfig_save(FILE *f,gpointer data)
{
GList *current;
layoutconfig_widgetentry *e;
for (current=layoutconfig_widgets;
current!=NULL;
current=current->next)
{
e=(layoutconfig_widgetentry*)current->data;
layoutconfig_getwidgetinfo(e->w,(char*)&e->value);
fprintf(f,"%s=%s\n",(char*)&e->name,(char*)&e->value);
};
};
/* initialize layoutconfig,register configfile entry */
void layoutconfig_init()
{
layoutconfig_loaddatabase(varman_replacevars_copy(dynamic_defs,
"$HOME/.gtoasterrc"));
configfile_registersection(LAYOUTCONFIG_CONFIGSECTION,
layoutconfig_save,
NULL);
};
/* use this instead of gtk_widget_show() for widgets that should remember
* their layout */
void layoutconfig_widget_show(GtkWidget *w,
gchar *name)
{
layoutconfig_widgetentry *e;
gtk_widget_show(w);
e=layoutconfig_findentry(name);
if (e==NULL)
{
e=(layoutconfig_widgetentry*)malloc(sizeof(layoutconfig_widgetentry));
layoutconfig_widgets=g_list_append(layoutconfig_widgets,
(gpointer)e);
strcpy((char*)&e->name,name);
layoutconfig_getwidgetinfo(w,(char*)&e->value);
}
else
layoutconfig_updatewidget(w,(char*)&e->value);
e->w=w;
};
/* use this instead of gtk_widget_hide() for widgets that should remember
* their layout */
void layoutconfig_widget_hide(GtkWidget *w,
gchar *name)
{
layoutconfig_widgetentry *e;
e=layoutconfig_findentry(name);
/* store widget's layout informations if corresponding entry was found */
if (e!=NULL)
{
layoutconfig_getwidgetinfo(w,(char*)&e->value);
e->w=NULL;
};
gtk_widget_hide(w);
};
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