Introduction
This example uses two GtkEntry widgets to display text in one line text areas. The first GtkEntry widget is editable and the second is not editable. Other than that, there’s not too much else to say about GtkEntry. It’s pretty simple.
Source Code
/*
*File name: entry.c
*/#include
#include/*– 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 *table;
GtkWidget *label1;
GtkWidget *label2;
GtkWidget *entry1;
GtkWidget *entry2;/*–Â Initialize GTK –*/
gtk_init (&argc, &argv);/*– Create the new window –*/
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);/*– Create the entry widgets –*/
entry1 = gtk_entry_new();
entry2 = gtk_entry_new();/*– Set entry2 to be non-editable –*/
gtk_entry_set_editable(GTK_ENTRY(entry2), FALSE);/*– Create the text –*/
gtk_entry_set_text(GTK_ENTRY(entry1), “Some text…”);
gtk_entry_append_text(GTK_ENTRY(entry1), “Some more text appended”);
gtk_entry_set_text(GTK_ENTRY(entry2), “Some text…”);
gtk_entry_append_text(GTK_ENTRY(entry2), “Some more text appended”);/*–Create the labels –*/
label1 = gtk_label_new(“Editable text entry widget:”);
label2 = gtk_label_new(“Non-editable text entry widget:”);/*– Create the 2×2 table –*/
table = gtk_table_new(2, 2, FALSE);/*– Connect the window to the destroyapp function –*/
gtk_signal_connect(GTK_OBJECT(window), “delete_event”, GTK_SIGNAL_FUNC(destroyapp), NULL);/*– Add the items to the table –*/
gtk_table_attach(GTK_TABLE(table), label1, 0, 1, 0, 1, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
gtk_table_attach(GTK_TABLE(table), label2, 0, 1, 1, 2, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
gtk_table_attach(GTK_TABLE(table), entry1, 1, 2, 0, 1, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
gtk_table_attach(GTK_TABLE(table), entry2, 1, 2, 1, 2, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 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), 5);/*– Set the window to be 640 x 480 pixels –*/
gtk_window_set_default_size (GTK_WINDOW(window), 500, 100);/*– Set the window title –*/
gtk_window_set_title(GTK_WINDOW (window), “GtkEntry”);/*– Display the widgets –*/
gtk_widget_show(table);
gtk_widget_show(entry1);
gtk_widget_show(entry2);
gtk_widget_show(label1);
gtk_widget_show(label2);
gtk_widget_show(window);/*– Start the GTK event loop –*/
gtk_main();/*– Return 0 if exit is successful –*/
return 0;
}
Compile the Source Code
gcc -Wall -g entry.c -o entry `gtk-config –cflags` `gtk-config –libs`
Execute the Program
./entry
