Index

Package: Generic_Sources (generic)

Description

generic
      type Data_Type (<>) is private;
   package Generic_Sources is

Types

Data_Type 

type Data_Type (<>) is private;

G_Source_Func 

type G_Source_Func is access
        function (Data : Data_Type) return Boolean;
If the function returns FALSE it is automatically removed from the list of event sources and will not be called again.

Destroy_Notify 

type Destroy_Notify is access  procedure (Data : in out Data_Type);
Notify is called just prior to the destruction of Data. It is also called if the idle or timeout is destroyed through a call to Remove (Id);

Subprograms & Entries

Idle_Add 

function Idle_Add 
(Func: G_Source_Func;
Data: Data_Type;
Priority: G_Priority := Priority_Default_Idle;
Notify: Destroy_Notify := null) return G_Source_Id;
Adds a function to be called whenever there are no higher priority events pending.

Timeout_Add 

function Timeout_Add 
(Interval: Guint;
Func: G_Source_Func;
Data: Data_Type;
Priority: G_Priority := Priority_Default;
Notify: Destroy_Notify := null) return G_Source_Id;
Adds a function to be called at regular intervals (in milliseconds).

Set_Callback 

procedure Set_Callback 
(Source: G_Source;
Func: G_Source_Func;
Data: Data_Type;
Notify: Destroy_Notify := null);
Sets the callback function for a source. The callback for a source is called from the source's dispatch function. The exact type of func depends on the type of source; ie. you should not count on func being called with data as its first parameter. Typically, you won't use this function. Instead use functions specific to the type of source you are using.