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63 lines
1.9 KiB
ObjectPascal
63 lines
1.9 KiB
ObjectPascal
program ex9;
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uses
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gdk,glib,gtk,strings;
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procedure destroy(widget : pGtkWidget ; data: pgpointer ); cdecl;
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begin
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gtk_main_quit();
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end;
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Const
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Inside : PChar ='Mouse is over label';
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OutSide : PChar ='Mouse is not over label';
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var
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window, button1,Button2, Alabel,stackbox : PGtkWidget;
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buttonstyle : pgtkstyle;
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OverButton : boolean;
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Procedure ChangeLabel(P : PGtkWidget;
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Event : PGdkEventCrossing;
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Var Data : Boolean);cdecl;
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begin
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If Not Data then
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gtk_label_set_text(PGTKLABEL(ALabel),Inside)
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else
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gtk_label_set_text(PGTKLABEL(ALabel),Outside);
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Data := Not Data;
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end;
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begin
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gtk_init (@argc, @argv);
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window := gtk_window_new (GTK_WINDOW_TOPLEVEL);
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stackbox:=gtk_vbox_new(TRUE,10);
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button1 := gtk_button_new_with_label(strnew('Move mouse over button'));
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buttonstyle := gtk_style_copy(gtk_widget_get_style(Button1));
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With ButtonStyle^.bg[GTK_STATE_PRELIGHT] do
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begin
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pixel:=0;
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red:=$ffff;
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blue:=0;
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green:=0;
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end;
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gtk_widget_set_style(button1,buttonstyle);
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button2 := gtk_button_new;
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ALabel:=gtk_label_new(Outside);
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gtk_container_add(GTK_CONTAINER(button2),ALAbel);
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gtk_box_pack_start(GTK_BOX(stackbox),button1,TRUE,TRUE,0);
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gtk_box_pack_start(GTK_BOX(stackbox),button2,TRUE,TRUE,0);
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gtk_container_set_border_width(GTK_CONTAINER(Window),5);
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gtk_container_add(GTK_Container(window),stackbox);
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gtk_signal_connect(PGTKOBJECT (window), 'destroy',
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GTK_SIGNAL_FUNC (@destroy), NULL);
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overbutton:=False;
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gtk_signal_connect(PGTKOBJECT(button1),'enter_notify_event',
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GTK_SIGNAL_FUNC (@ChangeLabel), @OverButton);
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gtk_signal_connect(PGTKOBJECT(button1),'leave_notify_event',
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GTK_SIGNAL_FUNC (@ChangeLabel), @OverButton);
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gtk_widget_show_all (window);
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gtk_main ();
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end.
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