static void
photos_print_setup_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (object);
PhotosPrintSetupPrivate *priv = self->priv;
switch (prop_id)
{
case PROP_NODE:
{
GdkPixbuf *pixbuf;
priv->node = GEGL_NODE (g_value_dup_object (value));
pixbuf = photos_utils_create_pixbuf_from_node (priv->node);
if (pixbuf != NULL)
{
g_object_set (priv->preview, "pixbuf", pixbuf, NULL);
g_object_unref (pixbuf);
}
}
break;
case PROP_PAGE_SETUP:
priv->page_setup = GTK_PAGE_SETUP (g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static gboolean
on_preview_image_scrolled (GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (user_data);
PhotosPrintSetupPrivate *priv = self->priv;
PhotosPrintPreview *preview = PHOTOS_PRINT_PREVIEW (widget);
gfloat scale;
scale = photos_print_preview_get_scale (preview);
if (!photos_print_preview_point_in_image_area (preview, event->x, event->y))
return FALSE;
switch (event->direction)
{
case GDK_SCROLL_UP:
/* scale up */
scale *= 1.1;
break;
case GDK_SCROLL_DOWN:
/* scale down */
scale *= 0.9;
break;
case GDK_SCROLL_LEFT:
case GDK_SCROLL_RIGHT:
case GDK_SCROLL_SMOOTH:
default:
return FALSE;
break;
}
gtk_range_set_value (GTK_RANGE (priv->scaling), 100*scale);
return TRUE;
}
static gboolean
on_preview_image_key_pressed (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
{
PhotosPrintSetupPrivate *priv = PHOTOS_PRINT_SETUP (user_data)->priv;
PhotosPrintPreview *preview = PHOTOS_PRINT_PREVIEW (widget);
gfloat scale;
scale = photos_print_preview_get_scale (preview);
switch (event->keyval)
{
case GDK_KEY_KP_Add:
case GDK_KEY_plus:
/* scale up */
scale *= 1.1;
break;
case GDK_KEY_KP_Subtract:
case GDK_KEY_minus:
/* scale down */
scale *= 0.9;
break;
default:
return FALSE;
break;
}
gtk_range_set_value (GTK_RANGE (priv->scaling), 100*scale);
return TRUE;
}
static void
on_height_value_changed (GtkSpinButton *spinbutton,
gpointer user_data)
{
PhotosPrintSetupPrivate *priv = PHOTOS_PRINT_SETUP (user_data)->priv;
photos_print_setup_size_changed (PHOTOS_PRINT_SETUP (user_data),
priv->height, priv->width,
priv->top, priv->bottom,
priv->left, priv->right,
gtk_page_setup_get_page_height (priv->page_setup,
priv->current_unit),
gtk_page_setup_get_page_width (priv->page_setup,
priv->current_unit),
CHANGE_VERT);
}
static void
photos_print_operation_update_custom_widget (GtkPrintOperation *operation,
GtkWidget *widget,
GtkPageSetup *page_setup,
GtkPrintSettings *settings)
{
photos_print_setup_update (PHOTOS_PRINT_SETUP (widget), page_setup);
}
static void
photos_print_operation_custom_widget_apply (GtkPrintOperation *operation, GtkWidget *widget)
{
PhotosPrintOperation *self = PHOTOS_PRINT_OPERATION (operation);
photos_print_setup_get_options (PHOTOS_PRINT_SETUP (widget),
&self->left_margin,
&self->top_margin,
&self->scale_factor,
&self->unit);
}
static void
photos_print_setup_dispose (GObject *object)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (object);
PhotosPrintSetupPrivate *priv = self->priv;
g_clear_object (&priv->node);
g_clear_object (&priv->page_setup);
G_OBJECT_CLASS (photos_print_setup_parent_class)->dispose (object);
}
static void
on_bottom_value_changed (GtkSpinButton *spinbutton, gpointer user_data)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (user_data);
PhotosPrintSetupPrivate *priv = self->priv;
photos_print_setup_position_values_changed (self,
priv->bottom,
priv->top,
priv->height,
gtk_page_setup_get_page_height (priv->page_setup,
priv->current_unit),
CHANGE_VERT);
}
static void
on_right_value_changed (GtkSpinButton *spinbutton, gpointer user_data)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (user_data);
PhotosPrintSetupPrivate *priv = self->priv;
photos_print_setup_position_values_changed (self,
priv->right,
priv->left,
priv->width,
gtk_page_setup_get_page_width (priv->page_setup,
priv->current_unit),
CHANGE_HORIZ);
}
static void
on_scale_changed (GtkRange *range, gpointer user_data)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (user_data);
PhotosPrintSetupPrivate *priv = self->priv;
GeglRectangle bbox;
gdouble height;
gdouble scale;
gdouble width;
gdouble left, right, top, bottom;
gdouble page_width, page_height;
gdouble factor;
gtk_combo_box_set_active (GTK_COMBO_BOX (priv->center), CENTER_NONE);
bbox = gegl_node_get_bounding_box (priv->node);
factor = get_scale_to_px_factor (self);
width = (gdouble) bbox.width / factor;
height = (gdouble) bbox.height / factor;
left = gtk_spin_button_get_value (GTK_SPIN_BUTTON (priv->left));
top = gtk_spin_button_get_value (GTK_SPIN_BUTTON (priv->top));
scale = CLAMP (0.01 * gtk_range_get_value (range), 0, photos_print_setup_get_max_percentage (self));
photos_print_preview_set_scale (PHOTOS_PRINT_PREVIEW (priv->preview), scale);
width *= scale;
height *= scale;
page_width = gtk_page_setup_get_page_width (priv->page_setup, priv->current_unit);
page_height = gtk_page_setup_get_page_height (priv->page_setup, priv->current_unit);
update_image_pos_ranges (self, page_width, page_height, width, height);
right = page_width - left - width;
bottom = page_height - top - height;
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->width), width);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->height), height);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->right), right);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->bottom), bottom);
}
static void
on_center_changed (GtkComboBox *combobox, gpointer user_data)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (user_data);
PhotosPrintSetupPrivate *priv = self->priv;
gint active;
active = gtk_combo_box_get_active (combobox);
switch (active)
{
case CENTER_HORIZONTAL:
photos_print_setup_center (gtk_page_setup_get_page_width (priv->page_setup,
priv->current_unit),
gtk_spin_button_get_value (GTK_SPIN_BUTTON (priv->width)),
GTK_SPIN_BUTTON (priv->left),
GTK_SPIN_BUTTON (priv->right));
break;
case CENTER_VERTICAL:
photos_print_setup_center (gtk_page_setup_get_page_height (priv->page_setup,
priv->current_unit),
gtk_spin_button_get_value (GTK_SPIN_BUTTON (priv->height)),
GTK_SPIN_BUTTON (priv->top),
GTK_SPIN_BUTTON (priv->bottom));
break;
case CENTER_BOTH:
photos_print_setup_center (gtk_page_setup_get_page_width (priv->page_setup,
priv->current_unit),
gtk_spin_button_get_value (GTK_SPIN_BUTTON (priv->width)),
GTK_SPIN_BUTTON (priv->left),
GTK_SPIN_BUTTON (priv->right));
photos_print_setup_center (gtk_page_setup_get_page_height (priv->page_setup,
priv->current_unit),
gtk_spin_button_get_value (GTK_SPIN_BUTTON (priv->height)),
GTK_SPIN_BUTTON (priv->top),
GTK_SPIN_BUTTON (priv->bottom));
break;
case CENTER_NONE:
default:
break;
}
gtk_combo_box_set_active (combobox, active);
}
static void
on_preview_pixbuf_moved (PhotosPrintPreview *preview, gpointer user_data)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (user_data);
PhotosPrintSetupPrivate *priv = self->priv;
gdouble x;
gdouble y;
photos_print_preview_get_image_position (preview, &x, &y);
if (priv->current_unit == GTK_UNIT_MM)
{
x *= FACTOR_INCH_TO_MM;
y *= FACTOR_INCH_TO_MM;
}
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->left), x);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->top), y);
}
static void
on_unit_changed (GtkComboBox *combobox, gpointer user_data)
{
GtkUnit unit = GTK_UNIT_INCH;
switch (gtk_combo_box_get_active (combobox))
{
case UNIT_INCH:
unit = GTK_UNIT_INCH;
break;
case UNIT_MM:
unit = GTK_UNIT_MM;
break;
default:
g_assert_not_reached ();
}
photos_print_setup_set_scale_unit (PHOTOS_PRINT_SETUP (user_data), unit);
}
static void
photos_print_setup_constructed (GObject *object)
{
PhotosPrintSetup *self = PHOTOS_PRINT_SETUP (object);
PhotosPrintSetupPrivate *priv = self->priv;
G_OBJECT_CLASS (photos_print_setup_parent_class)->constructed (object);
photos_print_setup_set_initial_values (self);
photos_print_preview_set_from_page_setup (PHOTOS_PRINT_PREVIEW (priv->preview), priv->page_setup);
g_signal_connect (priv->left, "value-changed", G_CALLBACK (on_left_value_changed), self);
g_signal_connect (priv->right, "value-changed", G_CALLBACK (on_right_value_changed), self);
g_signal_connect (priv->top, "value-changed", G_CALLBACK (on_top_value_changed), self);
g_signal_connect (priv->bottom, "value-changed", G_CALLBACK (on_bottom_value_changed), self);
g_signal_connect (priv->width, "value-changed", G_CALLBACK (on_width_value_changed), self);
g_signal_connect (priv->height, "value-changed", G_CALLBACK (on_height_value_changed), self);
g_signal_connect (priv->scaling, "value-changed", G_CALLBACK (on_scale_changed), self);
g_signal_connect (priv->scaling, "format-value", G_CALLBACK (on_scale_format_value), NULL);
g_signal_connect (priv->preview, "pixbuf-moved", G_CALLBACK (on_preview_pixbuf_moved), self);
g_signal_connect (priv->preview, "scroll-event", G_CALLBACK (on_preview_image_scrolled), self);
g_signal_connect (priv->preview, "key-press-event", G_CALLBACK (on_preview_image_key_pressed), self);
}