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{
Converted from C to Pascal by Artur Bac with liitle additions by me
<arturbac@poczta.onet.pl>
Reda Poland
}
{$MODE objfpc}
{$H+}
{$S+}
{$HINTS ON}
{$ifdef win32}
{$define extdecl := stdcall;}
{$APPTYPE GUI}
{$endif}
{$ifdef unix}
{$define extdecl := cdecl;}
{$endif}
Program spinbutton;
Uses glib,gtk;
Type
PGInt = ^gint;
Const
a : gint = 1;
b : gint = 2;
Var
spinner1 ,
spinner2 : PGtkWidget;
Function GPOINTER_TO_INT (data : pgint) : gint;
Begin
GPOINTER_TO_INT := data^;
End;
Procedure toggle_snap( widget : PGtkWidget;
spin : PGtkSpinButton ); cdecl;
Begin
gtk_spin_button_set_snap_to_ticks (spin,
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)));
End ;
Procedure toggle_numeric( widget : PGtkWidget;
spin : PGtkSpinButton ); cdecl;
Begin
gtk_spin_button_set_numeric (spin,
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)));
End;
Procedure change_digits( widget : PGtkWidget;
spin : PGtkSpinButton ); cdecl;
Begin
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinner1),
gtk_spin_button_get_value_as_int (spin));
End;
Procedure get_value( widget : PGtkWidget;
data : gpointer ) ; cdecl;
Var
Ptr_buf : PGchar;
buf : string;
label_l : PGtkLabel ;
spin,spin2: PGtkSpinButton;
Begin
spin := GTK_SPIN_BUTTON (spinner1);
spin2 := GTK_SPIN_BUTTON (spinner2);
label_l := GTK_LABEL (gtk_object_get_user_data (GTK_OBJECT (widget)));
if (GPOINTER_TO_INT (data) = 1) then
str(gtk_spin_button_get_value_as_int (spin),buf)
else
Str(gtk_spin_button_get_value_as_float (spin)
:10:gtk_spin_button_get_value_as_int(spin2) //This checks how many digits we have
,buf);
Ptr_buf:=PChar(buf); //We have to change ansistring to a pointer to char PChar == PGChar
gtk_label_set_text (label_l, Ptr_buf);
End;
Var
window,
frame,
hbox,
main_vbox,
vbox,
vbox2,
spinner,
button,
label_l,
val_label : PGtkWidget;
adj : PGtkAdjustment;
Begin
// Initialise GTK
gtk_set_locale ();
gtk_init(@argc, @argv);
gtk_rc_init;
window := gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_signal_connect (GTK_OBJECT (window), 'destroy',
GTK_SIGNAL_FUNC (@gtk_main_quit),
NULL);
gtk_window_set_title (GTK_WINDOW (window), 'Spin Button');
main_vbox := gtk_vbox_new (FALSE, 5);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 10);
gtk_container_add (GTK_CONTAINER (window), main_vbox);
frame := gtk_frame_new ('Not accelerated');
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
vbox := gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
gtk_container_add (GTK_CONTAINER (frame), vbox);
// Day, month, year spinners
hbox := gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5);
vbox2 := gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label_l := gtk_label_new ('Day :');
gtk_misc_set_alignment (GTK_MISC (label_l), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label_l, FALSE, TRUE, 0);
adj := PGtkAdjustment ( gtk_adjustment_new (1.0, 1.0, 31.0, 1.0,
5.0, 0.0));
spinner := gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
GTK_SHADOW_OUT);
gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
vbox2 := gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label_l := gtk_label_new ('Month :');
gtk_misc_set_alignment (GTK_MISC (label_l), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label_l, FALSE, TRUE, 0);
adj := PGtkAdjustment (gtk_adjustment_new (1.0, 1.0, 12.0, 1.0,
5.0, 0.0));
spinner := gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
GTK_SHADOW_ETCHED_IN);
gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
vbox2 := gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label_l := gtk_label_new ('Year :');
gtk_misc_set_alignment (GTK_MISC (label_l), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label_l, FALSE, TRUE, 0);
adj := PGtkAdjustment (gtk_adjustment_new (1998.0, 0.0, 2100.0,
1.0, 100.0, 0.0));
spinner := gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), FALSE);
gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
GTK_SHADOW_IN);
gtk_widget_set_usize (spinner, 55, 0);
gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
frame := gtk_frame_new ('Accelerated');
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
vbox := gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
gtk_container_add (GTK_CONTAINER (frame), vbox);
hbox := gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
vbox2 := gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label_l := gtk_label_new ('Value :');
gtk_misc_set_alignment (GTK_MISC (label_l), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label_l, FALSE, TRUE, 0);
adj := PGtkAdjustment (gtk_adjustment_new (0.0, -10000.0, 10000.0,
0.5, 100.0, 0.0));
spinner1 := gtk_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner1), TRUE);
gtk_widget_set_usize (spinner1, 100, 0);
gtk_box_pack_start (GTK_BOX (vbox2), spinner1, FALSE, TRUE, 0);
vbox2 := gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label_l := gtk_label_new ('Digits :');
gtk_misc_set_alignment (GTK_MISC (label_l), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label_l, FALSE, TRUE, 0);
adj := PGtkAdjustment (gtk_adjustment_new (2, 1, 5, 1, 1, 0));
spinner2 := gtk_spin_button_new (adj, 0.0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner2), TRUE);
gtk_signal_connect (GTK_OBJECT (adj), 'value_changed',
GTK_SIGNAL_FUNC (@change_digits),
gpointer (spinner2));
gtk_box_pack_start (GTK_BOX (vbox2), spinner2, FALSE, TRUE, 0);
hbox := gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
button := gtk_check_button_new_with_label ('Snap to 0.5-ticks');
gtk_signal_connect (GTK_OBJECT (button), 'clicked',
GTK_SIGNAL_FUNC (@toggle_snap),
spinner1);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
button := gtk_check_button_new_with_label ('Numeric only input mode');
gtk_signal_connect (GTK_OBJECT (button), 'clicked',
GTK_SIGNAL_FUNC (@toggle_numeric),
spinner1);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
val_label := gtk_label_new ('');
hbox := gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
button := gtk_button_new_with_label ('Value as Int');
gtk_object_set_user_data (GTK_OBJECT (button), val_label);
gtk_signal_connect (GTK_OBJECT (button), 'clicked',
GTK_SIGNAL_FUNC (@get_value),@a);
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
button := gtk_button_new_with_label ('Value as Float');
gtk_object_set_user_data (GTK_OBJECT (button), val_label);
gtk_signal_connect (GTK_OBJECT (button), 'clicked',
GTK_SIGNAL_FUNC (@get_value),@b);
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
gtk_box_pack_start (GTK_BOX (vbox), val_label, TRUE, TRUE, 0);
gtk_label_set_text (GTK_LABEL (val_label), '0');
hbox := gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);
button := gtk_button_new_with_label ('Close');
gtk_signal_connect_object (GTK_OBJECT (button), 'clicked',
GTK_SIGNAL_FUNC (@gtk_widget_destroy),
GTK_OBJECT (window));
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
gtk_widget_show_all (window);
// Enter the event loop
gtk_main ();
End.
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