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6dea3cae13
2002-02-19 Sven Neumann <sven@gimp.org> * examples/*/*.c: finish conversion to g_signal_* functions by using G_OBJECT and G_CALLBACK and other assorted changes.
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
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#include <gtk/gtk.h>
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/* Our callback.
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* The data passed to this function is printed to stdout */
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void callback( GtkWidget *widget,
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gpointer data )
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{
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g_print ("Hello again - %s was pressed\n", (char *) data);
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}
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/* This callback quits the program */
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gint delete_event( GtkWidget *widget,
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GdkEvent *event,
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gpointer data )
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{
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gtk_main_quit ();
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return FALSE;
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}
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int main( int argc,
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char *argv[] )
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{
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GtkWidget *window;
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GtkWidget *button;
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GtkWidget *table;
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gtk_init (&argc, &argv);
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/* Create a new window */
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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/* Set the window title */
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gtk_window_set_title (GTK_WINDOW (window), "Table");
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/* Set a handler for delete_event that immediately
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* exits GTK. */
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g_signal_connect (G_OBJECT (window), "delete_event",
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G_CALLBACK (delete_event), NULL);
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/* Sets the border width of the window. */
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gtk_container_set_border_width (GTK_CONTAINER (window), 20);
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/* Create a 2x2 table */
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table = gtk_table_new (2, 2, TRUE);
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/* Put the table in the main window */
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gtk_container_add (GTK_CONTAINER (window), table);
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/* Create first button */
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button = gtk_button_new_with_label ("button 1");
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/* When the button is clicked, we call the "callback" function
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* with a pointer to "button 1" as its argument */
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g_signal_connect (G_OBJECT (button), "clicked",
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G_CALLBACK (callback), (gpointer) "button 1");
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/* Insert button 1 into the upper left quadrant of the table */
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gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 1, 0, 1);
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gtk_widget_show (button);
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/* Create second button */
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button = gtk_button_new_with_label ("button 2");
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/* When the button is clicked, we call the "callback" function
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* with a pointer to "button 2" as its argument */
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g_signal_connect (G_OBJECT (button), "clicked",
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G_CALLBACK (callback), (gpointer) "button 2");
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/* Insert button 2 into the upper right quadrant of the table */
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gtk_table_attach_defaults (GTK_TABLE (table), button, 1, 2, 0, 1);
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gtk_widget_show (button);
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/* Create "Quit" button */
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button = gtk_button_new_with_label ("Quit");
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/* When the button is clicked, we call the "delete_event" function
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* and the program exits */
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g_signal_connect (G_OBJECT (button), "clicked",
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G_CALLBACK (delete_event), NULL);
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/* Insert the quit button into the both
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* lower quadrants of the table */
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gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 2, 1, 2);
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gtk_widget_show (button);
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gtk_widget_show (table);
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gtk_widget_show (window);
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gtk_main ();
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return 0;
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}
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