diff options
Diffstat (limited to 'gtk/gtkstack.c')
| -rw-r--r-- | gtk/gtkstack.c | 85 |
1 files changed, 84 insertions, 1 deletions
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c index f9a7723448..2d264fb020 100644 --- a/gtk/gtkstack.c +++ b/gtk/gtkstack.c @@ -104,6 +104,7 @@ * @GTK_STACK_TRANSITION_TYPE_OVER_DOWN_UP: Cover the old page sliding down or uncover the new page sliding up, according to order * @GTK_STACK_TRANSITION_TYPE_OVER_LEFT_RIGHT: Cover the old page sliding left or uncover the new page sliding right, according to order * @GTK_STACK_TRANSITION_TYPE_OVER_RIGHT_LEFT: Cover the old page sliding right or uncover the new page sliding left, according to order + * @GTK_STACK_TRANSITION_TYPE_CUBE: Pretend the pages are sides of a cube and rotate that cube * * These enumeration values describe the possible transitions * between pages in a #GtkStack widget. @@ -911,6 +912,7 @@ get_simple_transition_type (gboolean new_child_first, case GTK_STACK_TRANSITION_TYPE_UNDER_LEFT: case GTK_STACK_TRANSITION_TYPE_UNDER_RIGHT: case GTK_STACK_TRANSITION_TYPE_CROSSFADE: + case GTK_STACK_TRANSITION_TYPE_CUBE: default: return transition_type; } @@ -1071,6 +1073,7 @@ effective_transition_type (GtkStack *stack, case GTK_STACK_TRANSITION_TYPE_OVER_LEFT_RIGHT: case GTK_STACK_TRANSITION_TYPE_OVER_RIGHT_LEFT: case GTK_STACK_TRANSITION_TYPE_CROSSFADE: + case GTK_STACK_TRANSITION_TYPE_CUBE: default: return transition_type; } @@ -2047,7 +2050,6 @@ gtk_stack_forall (GtkContainer *container, } } -#include <gsk/gskrendernodeprivate.h> static void gtk_stack_compute_expand (GtkWidget *widget, gboolean *hexpand_p, @@ -2170,6 +2172,84 @@ gtk_stack_snapshot_under (GtkWidget *widget, } static void +gtk_stack_snapshot_cube (GtkWidget *widget, + GtkSnapshot *snapshot) +{ + GtkStack *stack = GTK_STACK (widget); + GtkStackPrivate *priv = gtk_stack_get_instance_private (stack); + double progress = gtk_progress_tracker_get_progress (&priv->tracker, FALSE); + + if (priv->last_visible_node && progress > 0.5) + { + gtk_snapshot_save (snapshot); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + gtk_widget_get_width (widget) / 2.f, + gtk_widget_get_height (widget) / 2.f, + 0)); + gtk_snapshot_perspective (snapshot, 2 * gtk_widget_get_width (widget) / 1.f); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + 0, 0, + - gtk_widget_get_width (widget) / 2.f)); + gtk_snapshot_rotate_3d (snapshot, -90 * progress, graphene_vec3_y_axis()); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + - gtk_widget_get_width (widget) / 2.f, + - gtk_widget_get_height (widget) / 2.f, + gtk_widget_get_width (widget) / 2.f)); + gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT ( + priv->last_visible_surface_allocation.x, + priv->last_visible_surface_allocation.y)); + gtk_snapshot_append_node (snapshot, priv->last_visible_node); + gtk_snapshot_restore (snapshot); + } + + gtk_snapshot_save (snapshot); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + gtk_widget_get_width (widget) / 2.f, + gtk_widget_get_height (widget) / 2.f, + 0)); + gtk_snapshot_perspective (snapshot, 2 * gtk_widget_get_width (widget) / 1.f); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + 0, 0, + - gtk_widget_get_width (widget) / 2.f)); + gtk_snapshot_rotate_3d (snapshot, 90 * (1.0 - progress), graphene_vec3_y_axis()); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + - gtk_widget_get_width (widget) / 2.f, + - gtk_widget_get_height (widget) / 2.f, + gtk_widget_get_width (widget) / 2.f)); + gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT ( + priv->last_visible_surface_allocation.x, + priv->last_visible_surface_allocation.y)); + + gtk_widget_snapshot_child (widget, + priv->visible_child->widget, + snapshot); + gtk_snapshot_restore (snapshot); + + if (priv->last_visible_node && progress <= 0.5) + { + gtk_snapshot_save (snapshot); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + gtk_widget_get_width (widget) / 2.f, + gtk_widget_get_height (widget) / 2.f, + 0)); + gtk_snapshot_perspective (snapshot, 2 * gtk_widget_get_width (widget) / 1.f); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + 0, 0, + - gtk_widget_get_width (widget) / 2.f)); + gtk_snapshot_rotate_3d (snapshot, -90 * progress, graphene_vec3_y_axis()); + gtk_snapshot_translate_3d (snapshot, &GRAPHENE_POINT3D_INIT ( + - gtk_widget_get_width (widget) / 2.f, + - gtk_widget_get_height (widget) / 2.f, + gtk_widget_get_width (widget) / 2.f)); + gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT ( + priv->last_visible_surface_allocation.x, + priv->last_visible_surface_allocation.y)); + gtk_snapshot_append_node (snapshot, priv->last_visible_node); + gtk_snapshot_restore (snapshot); + } +} + +static void gtk_stack_snapshot_slide (GtkWidget *widget, GtkSnapshot *snapshot) { @@ -2285,6 +2365,9 @@ gtk_stack_snapshot (GtkWidget *widget, case GTK_STACK_TRANSITION_TYPE_UNDER_RIGHT: gtk_stack_snapshot_under (widget, snapshot); break; + case GTK_STACK_TRANSITION_TYPE_CUBE: + gtk_stack_snapshot_cube (widget, snapshot); + break; case GTK_STACK_TRANSITION_TYPE_NONE: case GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT: case GTK_STACK_TRANSITION_TYPE_SLIDE_UP_DOWN: |