diff options
Diffstat (limited to 'gtk/gtkrevealer.c')
-rw-r--r-- | gtk/gtkrevealer.c | 86 |
1 files changed, 78 insertions, 8 deletions
diff --git a/gtk/gtkrevealer.c b/gtk/gtkrevealer.c index 3f521baa4c..f594b11f63 100644 --- a/gtk/gtkrevealer.c +++ b/gtk/gtkrevealer.c @@ -66,6 +66,10 @@ * @GTK_REVEALER_TRANSITION_TYPE_SLIDE_LEFT: Slide in from the right * @GTK_REVEALER_TRANSITION_TYPE_SLIDE_UP: Slide in from the bottom * @GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN: Slide in from the top + * @GTK_REVEALER_TRANSITION_TYPE_SWING_RIGHT: Floop in from the left + * @GTK_REVEALER_TRANSITION_TYPE_SWING_LEFT: Floop in from the right + * @GTK_REVEALER_TRANSITION_TYPE_SWING_UP: Floop in from the bottom + * @GTK_REVEALER_TRANSITION_TYPE_SWING_DOWN: Floop in from the top * * These enumeration values describe the possible transitions * when the child of a #GtkRevealer widget is shown or hidden. @@ -287,6 +291,10 @@ effective_transition (GtkRevealer *revealer) return GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT; else if (priv->transition_type == GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT) return GTK_REVEALER_TRANSITION_TYPE_SLIDE_LEFT; + if (priv->transition_type == GTK_REVEALER_TRANSITION_TYPE_SWING_LEFT) + return GTK_REVEALER_TRANSITION_TYPE_SWING_RIGHT; + else if (priv->transition_type == GTK_REVEALER_TRANSITION_TYPE_SWING_RIGHT) + return GTK_REVEALER_TRANSITION_TYPE_SWING_LEFT; } return priv->transition_type; @@ -328,6 +336,20 @@ get_child_size_scale (GtkRevealer *revealer, else return 1.0; + case GTK_REVEALER_TRANSITION_TYPE_SWING_RIGHT: + case GTK_REVEALER_TRANSITION_TYPE_SWING_LEFT: + if (orientation == GTK_ORIENTATION_HORIZONTAL) + return sin (G_PI * priv->current_pos / 2); + else + return 1.0; + + case GTK_REVEALER_TRANSITION_TYPE_SWING_DOWN: + case GTK_REVEALER_TRANSITION_TYPE_SWING_UP: + if (orientation == GTK_ORIENTATION_VERTICAL) + return sin (G_PI * priv->current_pos / 2); + else + return 1.0; + case GTK_REVEALER_TRANSITION_TYPE_NONE: case GTK_REVEALER_TRANSITION_TYPE_CROSSFADE: default: @@ -342,14 +364,18 @@ gtk_revealer_real_size_allocate (GtkWidget *widget, int baseline) { GtkRevealer *revealer = GTK_REVEALER (widget); + GtkRevealerPrivate *priv = gtk_revealer_get_instance_private (revealer); GtkWidget *child; child = gtk_bin_get_child (GTK_BIN (revealer)); if (child != NULL && gtk_widget_get_visible (child)) { - GtkAllocation child_allocation = {0, 0, width, height}; + GskTransform *transform; double hscale, vscale; + int child_width, child_height; + child_width = width; + child_height = height; hscale = get_child_size_scale (revealer, GTK_ORIENTATION_HORIZONTAL); vscale = get_child_size_scale (revealer, GTK_ORIENTATION_VERTICAL); @@ -362,17 +388,61 @@ gtk_revealer_real_size_allocate (GtkWidget *widget, else if (hscale < 1.0) { g_assert (vscale == 1.0); - child_allocation.width = MIN (G_MAXINT, ceil (width / hscale)); - if (effective_transition (revealer) == GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT) - child_allocation.x = width - child_allocation.width; + child_width = MIN (G_MAXINT, ceil (width / hscale)); } else if (vscale < 1.0) { - child_allocation.height = MIN (G_MAXINT, ceil (height / vscale)); - if (effective_transition (revealer) == GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN) - child_allocation.y = height - child_allocation.height; + child_height = MIN (G_MAXINT, ceil (height / vscale)); + } + + transform = NULL; + switch (effective_transition (revealer)) + { + case GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT: + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (width - child_width, 0)); + break; + + case GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN: + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (0, height - child_height)); + + case GTK_REVEALER_TRANSITION_TYPE_SWING_LEFT: + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (width, height / 2)); + transform = gsk_transform_perspective (transform, 2 * MAX (width, height)); + transform = gsk_transform_rotate_3d (transform, -90 * (1.0 - priv->current_pos), graphene_vec3_y_axis ()); + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (- child_width, - child_height / 2)); + break; + + case GTK_REVEALER_TRANSITION_TYPE_SWING_RIGHT: + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (0, height / 2)); + transform = gsk_transform_perspective (transform, 2 * MAX (width, height)); + transform = gsk_transform_rotate_3d (transform, 90 * (1.0 - priv->current_pos), graphene_vec3_y_axis ()); + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (0, - child_height / 2)); + break; + + case GTK_REVEALER_TRANSITION_TYPE_SWING_DOWN: + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (width / 2, 0)); + transform = gsk_transform_perspective (transform, 2 * MAX (width, height)); + transform = gsk_transform_rotate_3d (transform, -90 * (1.0 - priv->current_pos), graphene_vec3_x_axis ()); + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (- child_width / 2, 0)); + break; + + case GTK_REVEALER_TRANSITION_TYPE_SWING_UP: + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (width / 2, height)); + transform = gsk_transform_perspective (transform, 2 * MAX (width, height)); + transform = gsk_transform_rotate_3d (transform, 90 * (1.0 - priv->current_pos), graphene_vec3_x_axis ()); + transform = gsk_transform_translate (transform, &GRAPHENE_POINT_INIT (- child_width / 2, - child_height)); + break; + + case GTK_REVEALER_TRANSITION_TYPE_NONE: + case GTK_REVEALER_TRANSITION_TYPE_CROSSFADE: + case GTK_REVEALER_TRANSITION_TYPE_SLIDE_LEFT: + case GTK_REVEALER_TRANSITION_TYPE_SLIDE_UP: + default: + break; } - gtk_widget_size_allocate (child, &child_allocation, -1); + + gtk_widget_allocate (child, child_width, child_height, -1, transform); + gsk_transform_unref (transform); } } |