ReturnStatus NvCtrlSetAttribute(NvCtrlAttributeHandle *handle,
int attr, int val)
{
if (!handle) return NvCtrlBadArgument;
return NvCtrlSetDisplayAttribute(handle, 0, attr, val);
} /* NvCtrlSetAttribute() */
static void dfp_scaling_changed(GtkWidget *widget, gpointer user_data)
{
CtkDisplayDeviceDfp *ctk_display_device_dfp =
CTK_DISPLAY_DEVICE_DFP(user_data);
gboolean enabled;
int scaling_target;
int scaling_method;
gint value;
int i;
GtkWidget *radio;
/* Get the scaling target */
enabled = gtk_toggle_button_get_active
(GTK_TOGGLE_BUTTON(ctk_display_device_dfp->scaling_gpu_button));
if (enabled) {
scaling_target = NV_CTRL_GPU_SCALING_TARGET_FLATPANEL_NATIVE;
} else {
scaling_target = NV_CTRL_GPU_SCALING_TARGET_FLATPANEL_BEST_FIT;
}
/* Get the scaling method */
scaling_method = NV_CTRL_GPU_SCALING_METHOD_INVALID;
for (i = 0; i < NV_CTRL_GPU_SCALING_METHOD_ASPECT_SCALED; i++) {
radio = ctk_display_device_dfp->scaling_method_buttons[i];
if (!radio) continue;
enabled = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(radio));
if (enabled) {
user_data = g_object_get_data(G_OBJECT(radio), "scaling_value");
scaling_method = GPOINTER_TO_INT(user_data);
break;
}
}
if (scaling_method == NV_CTRL_GPU_SCALING_METHOD_INVALID) {
return;
}
value = MAKE_SCALING_VALUE(scaling_target, scaling_method);
NvCtrlSetDisplayAttribute(ctk_display_device_dfp->handle,
ctk_display_device_dfp->display_device_mask,
NV_CTRL_GPU_SCALING, value);
gtk_widget_set_sensitive(ctk_display_device_dfp->reset_button, TRUE);
post_dfp_scaling_update(ctk_display_device_dfp, value);
} /* dfp_scaling_changed() */
static void reset_button_clicked(GtkButton *button, gpointer user_data)
{
CtkDisplayDeviceDfp *ctk_display_device_dfp =
CTK_DISPLAY_DEVICE_DFP(user_data);
gint value;
ctk_image_sliders_reset
(CTK_IMAGE_SLIDERS(ctk_display_device_dfp->image_sliders));
/*
* if scaling is active, send the default scaling value to the
* server and update the radio button group
*/
if (ctk_display_device_dfp->active_attributes & __SCALING) {
value =
MAKE_SCALING_VALUE(ctk_display_device_dfp->default_scaling_target,
ctk_display_device_dfp->default_scaling_method);
NvCtrlSetDisplayAttribute(ctk_display_device_dfp->handle,
ctk_display_device_dfp->display_device_mask,
NV_CTRL_GPU_SCALING, value);
dfp_scaling_setup(ctk_display_device_dfp);
}
/* Reset the color configuration */
if (ctk_display_device_dfp->color_controls) {
ctk_color_controls_reset
(CTK_COLOR_CONTROLS(ctk_display_device_dfp->color_controls));
}
/* Reset the dithering configuration */
if (ctk_display_device_dfp->dithering_controls) {
ctk_dithering_controls_reset
(CTK_DITHERING_CONTROLS(ctk_display_device_dfp->dithering_controls));
}
/* Update the reset button */
gtk_widget_set_sensitive(ctk_display_device_dfp->reset_button, FALSE);
/* status bar message */
ctk_config_statusbar_message(ctk_display_device_dfp->ctk_config,
"Reset hardware defaults for %s.",
ctk_display_device_dfp->name);
} /* reset_button_clicked() */
