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added this directory with stuff from the tutorial, updated to compile and

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Mon Mar 23 12:03:03 CST 1998 Shawn T. Amundson <amundson@gtk.org>

        * examples/: added this directory with stuff from
          the tutorial, updated to compile and work with recent
          changes
This commit is contained in:
CST 1998 Shawn T. Amundson
1998-03-23 06:36:09 +00:00
committed by Shawn Amundson
parent 923f3f6992
commit 690e34968a
22 changed files with 1459 additions and 1 deletions
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94
examples/helloworld2/helloworld2.c Normal file
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/* This file extracted from the GTK tutorial. */
/* helloworld2.c */
#include <gtk/gtk.h>
/* Our new improved callback. The data passed to this function is printed
* to stdout. */
void callback (GtkWidget *widget, gpointer *data)
{
g_print ("Hello again - %s was pressed\n", (char *) data);
}
/* another callback */
void delete_event (GtkWidget *widget, gpointer *data)
{
gtk_main_quit ();
}
int main (int argc, char *argv[])
{
/* GtkWidget is the storage type for widgets */
GtkWidget *window;
GtkWidget *button;
GtkWidget *box1;
/* this is called in all GTK applications. arguments are parsed from
* the command line and are returned to the application. */
gtk_init (&argc, &argv);
/* create a new window */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
/* this is a new call, this just sets the title of our
* new window to "Hello Buttons!" */
gtk_window_set_title (GTK_WINDOW (window), "Hello Buttons!");
/* Here we just set a handler for delete_event that immediately
* exits GTK. */
gtk_signal_connect (GTK_OBJECT (window), "delete_event",
GTK_SIGNAL_FUNC (delete_event), NULL);
/* sets the border width of the window. */
gtk_container_border_width (GTK_CONTAINER (window), 10);
/* we create a box to pack widgets into. this is described in detail
* in the "packing" section below. The box is not really visible, it
* is just used as a tool to arrange widgets. */
box1 = gtk_hbox_new(FALSE, 0);
/* put the box into the main window. */
gtk_container_add (GTK_CONTAINER (window), box1);
/* creates a new button with the label "Button 1". */
button = gtk_button_new_with_label ("Button 1");
/* Now when the button is clicked, we call the "callback" function
* with a pointer to "button 1" as it's argument */
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (callback), (gpointer) "button 1");
/* instead of gtk_container_add, we pack this button into the invisible
* box, which has been packed into the window. */
gtk_box_pack_start(GTK_BOX(box1), button, TRUE, TRUE, 0);
/* always remember this step, this tells GTK that our preparation for
* this button is complete, and it can be displayed now. */
gtk_widget_show(button);
/* do these same steps again to create a second button */
button = gtk_button_new_with_label ("Button 2");
/* call the same callback function with a different argument,
* passing a pointer to "button 2" instead. */
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (callback), (gpointer) "button 2");
gtk_box_pack_start(GTK_BOX(box1), button, TRUE, TRUE, 0);
/* The order in which we show the buttons is not really important, but I
* recommend showing the window last, so it all pops up at once. */
gtk_widget_show(button);
gtk_widget_show(box1);
gtk_widget_show (window);
/* rest in gtk_main and wait for the fun to begin! */
gtk_main ();
return 0;
}