fpc/docs/gtk3ex/ex1.pp
2001-03-26 19:45:36 +00:00

107 lines
4.0 KiB
ObjectPascal

program ex1;
{$mode objfpc}
uses
glib,gtk;
var
Window : PGtkWidget;
WinBox : PGtkWidget;
MenuBar : PGtkWidget;
DisplayLabel : PgtkWidget;
procedure destroy(widget : pGtkWidget ; data: pgpointer ); cdecl;
begin
gtk_main_quit();
end;
procedure menu(Data : GPointer; Action : Guint; Widget : pGtkWidget); cdecl;
Var
TheLabel : PgtkWidget;
LabelText : Pchar;
S : AnsiString;
begin
TheLabel := g_list_nth_data(gtk_container_children(GTK_CONTAINER(Widget)),0);
gtk_label_get(gtk_Label(theLabel),@LabelText);
S := 'Chosen menu : ' + Strpas(Labeltext);
gtk_label_set_text(GTK_LABEL(DisplayLabel),pchar(S));
end;
{
TGtkItemFactoryEntry = record
path : Pgchar;
accelerator : Pgchar;
callback : TGtkItemFactoryCallback;
callback_action : guint;
item_type : Pgchar;
end;
}
Type
FC = TGtkItemFactoryCallback;
Const
NrMenuItems = 21;
TheMenu : Array[1..NrMenuItems] of TGtkItemFactoryEntry = (
(path:'/_File';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/File/_New';Accelerator:'<ctrl>N';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/File/_Open';Accelerator:'<control>O';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/File/_Save';Accelerator:'<control>S';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/File/sep1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Separator>'),
(path:'/File/E_xit';Accelerator:'<alt>X';Callback:FC(@destroy);Callback_action:1;item_type:Nil),
(path:'/_Radio';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/Radio/Radio _1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<RadioItem>'),
(path:'/Radio/Radio _2';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<RadioItem>'),
(path:'/Radio/Radio _3';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<RadioItem>'),
(path:'/_Check';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/Check/Check _1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Check/Check _2';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Check/Check _3';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/_Toggle';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/Toggle/Toggle _1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Toggle/Toggle _2';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Toggle/Toggle _3';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/_Help';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<LastBranch>'),
(path:'/Help/Contents';Accelerator:'F1';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/Help/About';Accelerator:'<mod1>A';Callback:FC(@Menu);Callback_action:1;item_type:Nil)
);
Procedure MakeMenu;
Var
Factory : PGtkItemFactory;
Accel : PGtkAccelGroup;
begin
accel:=gtk_accel_group_new;
factory :=gtk_item_factory_new(GTK_MENU_BAR_TYPE,'<main>',accel);
gtk_item_factory_create_items(Factory,NrMenuItems,@TheMenu,Nil);
gtk_window_add_accel_group(GTK_Window(Window),accel);
MenuBar:=gtk_item_factory_get_widget (Factory, '<main>');
end;
begin
gtk_init (@argc, @argv);
window := gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW(Window),'Menu using an item factory');
gtk_widget_set_usize (Window, 300, 200);
gtk_signal_connect (PGTKOBJECT (window), 'destroy',
GTK_SIGNAL_FUNC (@destroy), NULL);
WinBox := gtk_vbox_new(False,0);
gtk_widget_show(WinBox);
Gtk_container_add(GTK_CONTAINER(Window),WinBox);
MakeMenu;
gtk_widget_show(MenuBar);
Gtk_box_pack_start(GTK_BOX(Winbox),MenuBar,False,False,2);
DisplayLabel := gtk_label_new('Chosen menu : (none)');
gtk_widget_show(DisplayLabeL);
Gtk_box_pack_start(GTK_BOX(WinBox),DisplayLabel,TRUE,TRUE,10);
gtk_widget_show (window);
gtk_main ();
end.