Source code for this example is also available in the file scrollbars.c
/*
*File name: scrollbar.c
*/
#include <gtk/gtk.h>
#include <glib.h>
/*-- This function allows the program to exit properly when the window is closed --*/
gint destroyapp (GtkWidget *widget, gpointer gdata)
{
g_print ("Quitting...\n");
gtk_main_quit();
return (FALSE);
}
int main (int argc, char *argv[])
{
/*-- Declare the GTK Widgets used in the program --*/
GtkWidget *window;
GtkWidget *text;
GtkWidget *table;
GtkWidget *hscrollbar;
GtkWidget *vscrollbar;
/*-- Create some text to put into the text area --*/
gchar *buffer = "Line 1 \nLine 2 \nLine 3 \nLine 4 \nLine 5 \nLine 6 \nLine 7
\nLine 8 \nLine 9 \nLine 10 \nLine 11 \nLine 12";
/*-- Initialize GTK --*/
gtk_init (&argc, &argv);
/*-- Create the new window --*/
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
/*-- Create the packing table --*/
table = gtk_table_new(2, 2, FALSE);
/*-- Create a text area --*/
text = gtk_text_new(NULL, NULL);
/*-- Create the vertical and horizontal scrollbars --*/
hscrollbar = gtk_hscrollbar_new(GTK_TEXT (text) -> hadj);
vscrollbar = gtk_vscrollbar_new(GTK_TEXT (text) -> vadj);
/*-- Set text area to be editable --*/
gtk_text_set_editable(GTK_TEXT (text), TRUE);
/*-- Connect the window to the destroyapp function --*/
gtk_signal_connect(GTK_OBJECT(window), "delete_event", GTK_SIGNAL_FUNC(destroyapp), NULL);
/*-- Add some text to the window --*/
gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL, buffer, strlen(buffer));
/*-- Add the items to the table --*/
gtk_table_attach(GTK_TABLE(table), text, 0, 1, 0, 1, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
gtk_table_attach(GTK_TABLE(table), hscrollbar, 0, 1, 1, 2, GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, 0, 0);
gtk_table_attach(GTK_TABLE(table), vscrollbar, 1, 2, 0, 1, GTK_FILL, GTK_EXPAND | GTK_FILL | GTK_SHRINK , 0, 0);
/*-- Add the table to the window --*/
gtk_container_add(GTK_CONTAINER(window), table);
/*-- Set window border to zero so that text area takes up the whole window --*/
gtk_container_border_width (GTK_CONTAINER (window), 0);
/*-- Set the window title --*/
gtk_window_set_title(GTK_WINDOW (window), "Scrollbars");
/*-- Display the widgets --*/
gtk_widget_show(text);
gtk_widget_show(table);
gtk_widget_show(hscrollbar);
gtk_widget_show(vscrollbar);
gtk_widget_show(window);
/*-- Start the GTK event loop --*/
gtk_main();
/*-- Return 0 if exit is successful --*/
return 0;
}
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