GTK+ Forums

vinodh · Familiar Face Joined: 12 Feb 2008 Posts: 8

i want to display the list of partitions in a combo box reading from a file /proc/partitons.

take a look at the below code..

char *p;
n=4;
FILE *f=fopen("/proc/partitions","r");
Glist combo_items=NULL;

while(n!=0)
{
fgets(p,20,*f);
combo_items=g_list_append(combo_items,(gpointer) p);
n--;
}

Code: (C)
1	[color=green][/color]

Wolfgang · Familiar Face Joined: 05 Feb 2008 Posts: 37

show entire source

vinodh · Familiar Face Joined: 12 Feb 2008 Posts: 8

Code: (C)

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#include <gtk/gtk.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <gdk/gdkkeysyms.h>

GtkWidget* createcombo (void)
{
GtkWidget *window1;
GtkWidget *fixed1;
GtkWidget *combo1;
GList *combo1_items = NULL;
FILE *f;
int n;
char *q;
char *t[10];

n=4;
f=fopen("/root/Desktop/untitled/filesystem.txt","r");

window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window1), "window1");
g_signal_connect (G_OBJECT (window1), "delete_event", G_CALLBACK (gtk_main_quit), NULL);
gtk_widget_show (window1);

fixed1 = gtk_fixed_new ();
gtk_widget_show (fixed1);
gtk_container_add (GTK_CONTAINER (window1), fixed1);

combo1 = gtk_combo_new ();
g_object_set_data (G_OBJECT (GTK_COMBO (combo1)->popwin), "GladeParentKey", combo1);

gtk_fixed_put (GTK_FIXED (fixed1), combo1, 80, 56);
gtk_widget_set_size_request (combo1, 187, 27);
gtk_widget_show (combo1);

while(n!=0)
{

fgets(q,15,f);
t[n]= (char *) malloc (strlen(q)+1);
printf("%s",q);
strcpy(t[n],q);
combo1_items = g_list_append (combo1_items, (gpointer) t[n]);

n--;
t[n]=NULL;
printf("%s",t[n]);
}
gtk_combo_set_popdown_strings (GTK_COMBO (combo1), combo1_items);
g_list_free (combo1_items);

return window1;
}

int main (int argc, char *argv[])
{
gtk_init (&argc, &argv);

GtkWidget *window1;

window1=createcombo();
gtk_main ();
return 0;
}

[/code]

Wolfgang · Familiar Face Joined: 05 Feb 2008 Posts: 37

Code: (C)

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#include <gtk/gtk.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <gdk/gdkkeysyms.h>

GtkWidget* createcombo (void)
{
GtkWidget *window1;
GtkWidget *fixed1;
GtkWidget *combo1;
GList *combo1_items = NULL;
GList *cbb = NULL; // new
FILE *f;
int n;
char *q;
char *t[10];

n=4;
f=fopen("filesystem.txt","r");

window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window1), "window1");
g_signal_connect (G_OBJECT (window1), "delete_event", G_CALLBACK (gtk_main_quit), NULL);
gtk_widget_show (window1);

fixed1 = gtk_fixed_new ();
gtk_widget_show (fixed1);
gtk_container_add (GTK_CONTAINER (window1), fixed1);

combo1 = gtk_combo_new ();
g_object_set_data (G_OBJECT (GTK_COMBO (combo1)->popwin), "GladeParentKey", combo1);

gtk_fixed_put (GTK_FIXED (fixed1), combo1, 80, 56);
gtk_widget_set_size_request (combo1, 187, 27);
gtk_widget_show (combo1);

while(n!=0)
{

fgets(q,15,f);
t[n]= (char *) malloc (strlen(q)+1);
printf("f: %s\n",q);
strcpy(t[n],q);
combo1_items = g_list_append (combo1_items, (gpointer) t[n]);
if (!cbb) cbb = combo1_items; // new

n--;
t[n]=NULL;
printf("r: %s\n",t[n]);
}
gtk_combo_set_popdown_strings (GTK_COMBO (combo1), cbb); // new
g_list_free (cbb); // new

return window1;
}

int main (int argc, char *argv[])
{
gtk_init (&argc, &argv);

GtkWidget *window1;

window1=createcombo();
gtk_main ();
return 0;
}

see lines with comment "new"