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Make GtkEditable use signals instead of calling klass->... for stuff. Could someone look at the get_chars routine to see how to return the value properly?

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This commit is contained in:
Elliot Lee 1998-05-24 20:56:35 +00:00
parent 4a6a72fe6c
commit ab37cadbfe
1 changed files with 94 additions and 5 deletions
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99
gtk/gtkeditable.c
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@ -37,9 +37,14 @@ enum {
CHANGED,
INSERT_TEXT,
DELETE_TEXT,
UPDATE_TEXT,
GET_CHARS,
SET_SELECTION,
SET_POSITION,
LAST_SIGNAL
};
static void gtk_editable_class_init (GtkEditableClass *klass);
static void gtk_editable_init (GtkEditable *editable);
static void gtk_editable_finalize (GtkObject *object);
@ -63,6 +68,14 @@ static void gtk_editable_marshal_signal_2 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args);
static gchar* gtk_editable_marshal_signal_3 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args);
static void gtk_editable_marshal_signal_4 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args);
static GtkWidgetClass *parent_class = NULL;
static guint editable_signals[LAST_SIGNAL] = { 0 };
@ -81,6 +94,15 @@ typedef void (*GtkTextSignal2) (GtkObject * object,
gint arg2,
gpointer data);
typedef gchar* (*GtkTextSignal3)(GtkObject * object,
gint arg1,
gint arg2,
gpointer data);
typedef void (*GtkTextSignal4) (GtkObject * object,
gint arg1,
gpointer data);
guint
gtk_editable_get_type (void)
{
@ -153,7 +175,40 @@ gtk_editable_class_init (GtkEditableClass *class)
GTK_TYPE_NONE,
2,
GTK_TYPE_INT,
GTK_TYPE_INT);
GTK_TYPE_INT);
editable_signals[UPDATE_TEXT] =
gtk_signal_new ("update_text", GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET(GtkEditableClass, update_text),
gtk_editable_marshal_signal_2,
GTK_TYPE_NONE, 2,
GTK_TYPE_INT, GTK_TYPE_INT);
editable_signals[GET_CHARS] =
gtk_signal_new ("get_chars", GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET(GtkEditableClass, get_chars),
gtk_editable_marshal_signal_3,
GTK_TYPE_STRING, 2,
GTK_TYPE_INT,
GTK_TYPE_INT);
editable_signals[SET_SELECTION] =
gtk_signal_new ("set_selection", GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET(GtkEditableClass, set_selection),
gtk_editable_marshal_signal_2,
GTK_TYPE_NONE, 2,
GTK_TYPE_INT, GTK_TYPE_INT);
editable_signals[SET_SELECTION] =
gtk_signal_new ("set_position", GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET(GtkEditableClass, set_position),
gtk_editable_marshal_signal_4,
GTK_TYPE_NONE, 1,
GTK_TYPE_INT);
gtk_object_class_add_signals (object_class, editable_signals, LAST_SIGNAL);
@ -168,6 +223,8 @@ gtk_editable_class_init (GtkEditableClass *class)
class->get_chars = NULL;
class->set_selection = NULL;
class->changed = NULL;
class->set_position = NULL;
}
static void
@ -299,7 +356,7 @@ gtk_editable_update_text (GtkEditable *editable,
klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
klass->update_text (editable, start_pos, end_pos);
gtk_signal_emit (GTK_OBJECT (editable), editable_signals[UPDATE_TEXT], start_pos, end_pos);
}
gchar *
@ -314,7 +371,9 @@ gtk_editable_get_chars (GtkEditable *editable,
klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
return klass->get_chars (editable, start, end);
gtk_signal_emit (GTK_OBJECT (editable), editable_signals[GET_CHARS], start, end);
g_warning("GtkEditable:get_chars should not be a signal...?\n");
return NULL;
}
static void
@ -329,7 +388,7 @@ gtk_editable_set_selection (GtkEditable *editable,
klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
klass->set_selection (editable, start_pos, end_pos);
gtk_signal_emit (GTK_OBJECT (editable), editable_signals[SET_SELECTION], start_pos, end_pos);
}
void
@ -343,7 +402,7 @@ gtk_editable_set_position (GtkEditable *editable,
klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
return klass->set_position (editable, position);
gtk_signal_emit (GTK_OBJECT (editable), editable_signals[SET_POSITION], position);
}
gint
@ -669,3 +728,33 @@ gtk_editable_marshal_signal_2 (GtkObject * object,
GTK_VALUE_INT (args[1]),
func_data);
}
static gchar *
gtk_editable_marshal_signal_3 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args)
{
GtkTextSignal3 rfunc;
rfunc = (GtkTextSignal3) func;
return (*rfunc) (object, GTK_VALUE_INT (args[0]),
GTK_VALUE_INT (args[1]),
func_data);
}
static void
gtk_editable_marshal_signal_4 (GtkObject * object,
GtkSignalFunc func,
gpointer func_data,
GtkArg * args)
{
GtkTextSignal4 rfunc;
rfunc = (GtkTextSignal4) func;
(*rfunc) (object, GTK_VALUE_INT (args[0]),
func_data);
}