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------------------------------------------------------------------------
-- Función que devuelve la posición de un coche dentro del buffer
-----------------------------------------------------------------------
FUNCTION Posicion_Buffer(Id : T_IdCoche;
Buffer: Pkg_Buffer_Coches.T_Buffer) RETURN T_RangoBufferCoches is
coche_aux : T_RecordCoche;
pos : T_RangoBufferCoches;
BEGIN
BEGIN
Pos := Pkg_Buffer_Coches.Posicion_Primer_Item(Buffer);
Coche_Aux := Pkg_Buffer_Coches.Consulta_Item(Pos, Buffer);
WHILE Coche_Aux.Id /= Id LOOP
Pos := Pos+1;
Coche_Aux := Pkg_Buffer_Coches.Consulta_Item(Pos, Buffer);
END LOOP;
exception
when event: others =>
PKG_debug.Escribir("ERROR en Posicion_Buffer: " & Exception_Name(Exception_Identity(event)));
Function Definition: procedure Simular_Sistema IS
Function Body: BEGIN
Gtk.Main.Main;
END Simular_Sistema;
------------------------------------------------------------------------
-- Procedure que se encarga de inicializar la interfaz gráfica
------------------------------------------------------------------------
procedure Inicializar_Interfaz_Grafica is
Win : Gtk_Window;
Buffer : Gtk_Double_Buffer;
Vbox, Hbox : Gtk_Box;
Id : G_Source_Id;--Timeout_Handler_Id;
Button : Gtk_Button;
inbuilt_font : Pango.Font.Pango_Font_Description;
--ventana : Gdk_Window;
--TAM_BUTTON_EXIT : constant GLib.Gint := 20;
alinea_button : Gtk.Alignment.Gtk_Alignment;
begin
-- ventana principal
Gtk.Window.Gtk_New (Win, Window_Toplevel);
Set_Title (Win, "PRACTICA STR: CONTROL DE TRAFICO");
Win.Set_Default_Size(CANVAS_WIDTH, CANVAS_HEIGHT);--+TAM_BUTTON_EXIT);
Void_Cb.Connect (Win, "destroy", Void_Cb.To_Marshaller (Quit'Access));
-- botón Exit
Gtk_New (Button, "EXIT");
Destroyed.Object_Connect (Button,
"clicked",
Destroyed.To_Marshaller (Quit'Access),
Slot_Object => Win);
Button.Set_Size_Request(100, 20);--TAM_BUTTON_EXIT);
Gtk.Alignment.Gtk_New(alinea_button, 0.5, 0.5, 0.0, 0.0);
alinea_button.Add(Button);
-- Double buffer
Double_Buffer.Gtk_New(Buffer);
Buffer.Set_Size_Request(CANVAS_WIDTH, CANVAS_HEIGHT);-- -TAM_BUTTON_EXIT);
-- Asociar widgets a la ventana principal y mostrarla
Gtk_New_Hbox (Hbox, Homogeneous => True, Spacing => 10);
Gtk_New_Vbox (Vbox, Homogeneous => False, Spacing => 0);
Pack_Start (Vbox, Buffer);
--Pack_Start (Vbox, Button, Expand => False, Fill => False);
Pack_Start (Vbox, alinea_button);--, Expand => False, Fill => False);
Pack_Start (Hbox, Vbox);
Win.Add(Hbox);
Show_All (Win);
--ventana := Get_Window(Gtk_Widget(Buffer));
--Gdk.Window.Move(ventana, 0, 0);
Id := Main_Context_Sources.Timeout_Add (PERIODICIDAD_REDIBUJAR_MILISEGUNDOS,
Draw_Complex_Buffer'Access,
Gtk_Drawing_Area (Buffer));
Gdk_New(pangoLayout, Get_Pango_Context(Buffer));
inbuilt_font := Pango.Font.From_String("Courier");
Pango.Layout.Set_Font_Description(pangoLayout, inbuilt_font);
-- INICIALIZACIÓN DEL ESTADO DE TODOS LOS OBJETOS VISUALIZADOS
Inicializar_Buffer_Coches;
end Inicializar_Interfaz_Grafica;