new sections on Layout and SpinButton [nice widget]
Tue Feb 2 08:59:16 GMT 1999 Tony Gale <gale@gtk.org> * docs/gtk_tut.sgml: new sections on Layout and SpinButton [nice widget] * examples/spinbutton/*: example code
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GMT 1999 Tony Gale
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Tony Gale
Tony Gale
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22a54ddf81
commit
7e68d71fd2
226
examples/spinbutton/spinbutton.c
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226
examples/spinbutton/spinbutton.c
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/* example-start spinbutton spinbutton.c */
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#include <gtk/gtk.h>
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static GtkWidget *spinner1;
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void toggle_snap( GtkWidget *widget,
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GtkSpinButton *spin )
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{
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gtk_spin_button_set_snap_to_ticks (spin, GTK_TOGGLE_BUTTON (widget)->active);
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}
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void toggle_numeric( GtkWidget *widget,
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GtkSpinButton *spin )
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{
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gtk_spin_button_set_numeric (spin, GTK_TOGGLE_BUTTON (widget)->active);
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}
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void change_digits( GtkWidget *widget,
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GtkSpinButton *spin )
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{
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gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinner1),
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gtk_spin_button_get_value_as_int (spin));
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}
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void get_value( GtkWidget *widget,
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gpointer data )
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{
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gchar buf[32];
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GtkLabel *label;
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GtkSpinButton *spin;
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spin = GTK_SPIN_BUTTON (spinner1);
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label = GTK_LABEL (gtk_object_get_user_data (GTK_OBJECT (widget)));
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if (GPOINTER_TO_INT (data) == 1)
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sprintf (buf, "%d", gtk_spin_button_get_value_as_int (spin));
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else
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sprintf (buf, "%0.*f", spin->digits,
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gtk_spin_button_get_value_as_float (spin));
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gtk_label_set_text (label, buf);
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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 *frame;
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GtkWidget *hbox;
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GtkWidget *main_vbox;
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GtkWidget *vbox;
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GtkWidget *vbox2;
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GtkWidget *spinner2;
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GtkWidget *spinner;
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GtkWidget *button;
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GtkWidget *label;
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GtkWidget *val_label;
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GtkAdjustment *adj;
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/* Initialise GTK */
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gtk_init(&argc, &argv);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_signal_connect (GTK_OBJECT (window), "destroy",
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GTK_SIGNAL_FUNC (gtk_main_quit),
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NULL);
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gtk_window_set_title (GTK_WINDOW (window), "Spin Button");
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main_vbox = gtk_vbox_new (FALSE, 5);
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gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 10);
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gtk_container_add (GTK_CONTAINER (window), main_vbox);
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frame = gtk_frame_new ("Not accelerated");
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gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
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vbox = gtk_vbox_new (FALSE, 0);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
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gtk_container_add (GTK_CONTAINER (frame), vbox);
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/* Day, month, year spinners */
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5);
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vbox2 = gtk_vbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
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label = gtk_label_new ("Day :");
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gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
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gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
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adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 31.0, 1.0,
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5.0, 0.0);
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spinner = gtk_spin_button_new (adj, 0, 0);
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gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
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gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
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GTK_SHADOW_OUT);
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gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
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vbox2 = gtk_vbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
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label = gtk_label_new ("Month :");
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gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
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gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
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adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 12.0, 1.0,
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5.0, 0.0);
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spinner = gtk_spin_button_new (adj, 0, 0);
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gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
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gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
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GTK_SHADOW_ETCHED_IN);
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gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
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vbox2 = gtk_vbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
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label = gtk_label_new ("Year :");
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gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
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gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
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adj = (GtkAdjustment *) gtk_adjustment_new (1998.0, 0.0, 2100.0,
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1.0, 100.0, 0.0);
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spinner = gtk_spin_button_new (adj, 0, 0);
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gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), FALSE);
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gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
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GTK_SHADOW_IN);
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gtk_widget_set_usize (spinner, 55, 0);
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gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
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frame = gtk_frame_new ("Accelerated");
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gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
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vbox = gtk_vbox_new (FALSE, 0);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
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gtk_container_add (GTK_CONTAINER (frame), vbox);
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
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vbox2 = gtk_vbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
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label = gtk_label_new ("Value :");
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gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
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gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
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adj = (GtkAdjustment *) gtk_adjustment_new (0.0, -10000.0, 10000.0,
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0.5, 100.0, 0.0);
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spinner1 = gtk_spin_button_new (adj, 1.0, 2);
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gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner1), TRUE);
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gtk_widget_set_usize (spinner1, 100, 0);
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gtk_box_pack_start (GTK_BOX (vbox2), spinner1, FALSE, TRUE, 0);
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vbox2 = gtk_vbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
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label = gtk_label_new ("Digits :");
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gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
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gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
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adj = (GtkAdjustment *) gtk_adjustment_new (2, 1, 5, 1, 1, 0);
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spinner2 = gtk_spin_button_new (adj, 0.0, 0);
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gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner2), TRUE);
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gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
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GTK_SIGNAL_FUNC (change_digits),
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(gpointer) spinner2);
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gtk_box_pack_start (GTK_BOX (vbox2), spinner2, FALSE, TRUE, 0);
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
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button = gtk_check_button_new_with_label ("Snap to 0.5-ticks");
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gtk_signal_connect (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (toggle_snap),
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spinner1);
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gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
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button = gtk_check_button_new_with_label ("Numeric only input mode");
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gtk_signal_connect (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (toggle_numeric),
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spinner1);
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gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
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val_label = gtk_label_new ("");
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
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button = gtk_button_new_with_label ("Value as Int");
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gtk_object_set_user_data (GTK_OBJECT (button), val_label);
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gtk_signal_connect (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (get_value),
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GINT_TO_POINTER (1));
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gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
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button = gtk_button_new_with_label ("Value as Float");
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gtk_object_set_user_data (GTK_OBJECT (button), val_label);
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gtk_signal_connect (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (get_value),
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GINT_TO_POINTER (2));
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gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
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gtk_box_pack_start (GTK_BOX (vbox), val_label, TRUE, TRUE, 0);
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gtk_label_set_text (GTK_LABEL (val_label), "0");
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);
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button = gtk_button_new_with_label ("Close");
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gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (gtk_widget_destroy),
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GTK_OBJECT (window));
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gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
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gtk_widget_show_all (window);
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/* Enter the event loop */
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gtk_main ();
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return(0);
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}
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/* example-end */
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