static void gail_spin_button_real_initialize (AtkObject *obj, gpointer data) { GtkAdjustment *adjustment; GailSpinButton *spin_button = GAIL_SPIN_BUTTON (obj); GtkSpinButton *gtk_spin_button; ATK_OBJECT_CLASS (gail_spin_button_parent_class)->initialize (obj, data); gtk_spin_button = GTK_SPIN_BUTTON (data); /* * If a GtkAdjustment already exists for the spin_button, * create the GailAdjustment */ adjustment = gtk_spin_button_get_adjustment (gtk_spin_button); if (adjustment) { spin_button->adjustment = gail_adjustment_new (adjustment); g_signal_connect (adjustment, "value-changed", G_CALLBACK (gail_spin_button_value_changed), obj); } else spin_button->adjustment = NULL; obj->role = ATK_ROLE_SPIN_BUTTON; }
static void gail_spin_button_real_notify_gtk (GObject *obj, GParamSpec *pspec) { GtkWidget *widget = GTK_WIDGET (obj); GailSpinButton *spin_button = GAIL_SPIN_BUTTON (gtk_widget_get_accessible (widget)); if (strcmp (pspec->name, "adjustment") == 0) { /* * Get rid of the GailAdjustment for the GtkAdjustment * which was associated with the spin_button. */ GtkSpinButton* gtk_spin_button; if (spin_button->adjustment) { g_object_unref (spin_button->adjustment); spin_button->adjustment = NULL; } /* * Create the GailAdjustment when notify for "adjustment" property * is received */ gtk_spin_button = GTK_SPIN_BUTTON (widget); spin_button->adjustment = gail_adjustment_new (gtk_spin_button->adjustment); g_signal_connect (gtk_spin_button->adjustment, "value-changed", G_CALLBACK (gail_spin_button_value_changed), spin_button); } else GAIL_WIDGET_CLASS (gail_spin_button_parent_class)->notify_gtk (obj, pspec); }
static void gail_spin_button_finalize (GObject *object) { GailSpinButton *spin_button = GAIL_SPIN_BUTTON (object); if (spin_button->adjustment) { g_object_unref (spin_button->adjustment); spin_button->adjustment = NULL; } G_OBJECT_CLASS (gail_spin_button_parent_class)->finalize (object); }
static void gail_spin_button_value_changed (GtkAdjustment *adjustment, gpointer data) { GailSpinButton *spin_button; gail_return_if_fail (adjustment != NULL); gail_return_if_fail (data != NULL); spin_button = GAIL_SPIN_BUTTON (data); g_object_notify (G_OBJECT (spin_button), "accessible-value"); }
static void gail_spin_button_get_minimum_increment (AtkValue *obj, GValue *value) { GailSpinButton *spin_button; g_return_if_fail (GAIL_IS_SPIN_BUTTON (obj)); spin_button = GAIL_SPIN_BUTTON (obj); if (spin_button->adjustment == NULL) /* * Adjustment has not been specified */ return; atk_value_get_minimum_increment (ATK_VALUE (spin_button->adjustment), value); }
static gboolean gail_spin_button_set_current_value (AtkValue *obj, const GValue *value) { GailSpinButton *spin_button; g_return_val_if_fail (GAIL_IS_SPIN_BUTTON (obj), FALSE); spin_button = GAIL_SPIN_BUTTON (obj); if (spin_button->adjustment == NULL) /* * Adjustment has not been specified */ return FALSE; return atk_value_set_current_value (ATK_VALUE (spin_button->adjustment), value); }