[gtk/wip/baedert/transforms6: 268/273] Add flipping test
- From: Timm Bäder <baedert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/baedert/transforms6: 268/273] Add flipping test
- Date: Wed, 13 Feb 2019 09:15:48 +0000 (UTC)
commit aadd74498450ab56133bfdcdeccea1cfa2632c8e
Author: Timm Bäder <mail baedert org>
Date: Tue Jan 1 09:43:31 2019 +0100
Add flipping test
tests/meson.build | 1 +
tests/testflipping.c | 209 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 210 insertions(+)
---
diff --git a/tests/meson.build b/tests/meson.build
index 2f77f9c101..cbb759b9ab 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -132,6 +132,7 @@ gtk_tests = [
['testblur'],
['testtexture'],
['testshrinking'],
+ ['testflipping'],
]
if os_unix
diff --git a/tests/testflipping.c b/tests/testflipping.c
new file mode 100644
index 0000000000..5bdd9776a0
--- /dev/null
+++ b/tests/testflipping.c
@@ -0,0 +1,209 @@
+
+#include<gtk/gtk.h>
+
+typedef struct _GtkFlip GtkFlip;
+typedef struct _GtkFlipClass GtkFlipClass;
+
+#define GTK_TYPE_FLIP (gtk_flip_get_type ())
+#define GTK_FLIP(obj) (G_TYPE_CHECK_INSTANCE_CAST(obj, GTK_TYPE_FLIP, GtkFlip))
+#define GTK_FLIP_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST(cls, GTK_TYPE_FLIP, GtkFlipClass))
+struct _GtkFlip
+{
+ GtkWidget parent_instance;
+
+ GtkWidget *child;
+ guint flipped : 1;
+};
+
+struct _GtkFlipClass
+{
+ GtkWidgetClass parent_class;
+};
+
+GType gtk_flip_get_type (void) G_GNUC_CONST;
+
+G_DEFINE_TYPE(GtkFlip, gtk_flip, GTK_TYPE_WIDGET);
+
+#define OPPOSITE_ORIENTATION(o) (1 - o)
+
+static void
+gtk_flip_measure (GtkWidget *widget,
+ GtkOrientation orientation,
+ int for_size,
+ int *minimum,
+ int *natural,
+ int *minimum_baseline,
+ int *natural_baseline)
+{
+ GtkFlip *self = (GtkFlip *)widget;
+
+ if (self->flipped)
+ gtk_widget_measure (self->child, OPPOSITE_ORIENTATION (orientation), for_size,
+ minimum, natural, NULL, NULL);
+ else
+ gtk_widget_measure (self->child, orientation, for_size, minimum, natural, NULL, NULL);
+
+}
+
+static void
+gtk_flip_size_allocate (GtkWidget *widget,
+ int width,
+ int height,
+ int baseline)
+{
+ GtkFlip *self = (GtkFlip *)widget;
+ int child_width;
+ int child_height;
+ graphene_matrix_t transform;
+
+ gtk_widget_measure (self->child, GTK_ORIENTATION_HORIZONTAL, -1, &child_width, NULL, NULL, NULL);
+ gtk_widget_measure (self->child, GTK_ORIENTATION_VERTICAL, -1, &child_height, NULL, NULL, NULL);
+
+ if (self->flipped)
+ {
+ graphene_matrix_init_rotate (&transform, 90, graphene_vec3_z_axis ());
+ graphene_matrix_translate (&transform,
+ &GRAPHENE_POINT3D_INIT (child_height, 0, 0));
+ }
+ else
+ {
+ graphene_matrix_init_identity (&transform);
+ }
+
+ gtk_widget_size_allocate_transformed (self->child,
+ child_width,
+ child_height,
+ -1, &transform);
+}
+
+static void
+gtk_flip_finalize (GObject *object)
+{
+ GtkFlip *self = (GtkFlip *)object;
+
+ gtk_widget_unparent (self->child);
+
+ G_OBJECT_CLASS (gtk_flip_parent_class)->finalize (object);
+}
+
+static void
+gtk_flip_init (GtkFlip *self)
+{
+ gtk_widget_set_has_surface (GTK_WIDGET (self), FALSE);
+}
+
+static void
+gtk_flip_class_init (GtkFlipClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ object_class->finalize = gtk_flip_finalize;
+
+ widget_class->measure = gtk_flip_measure;
+ widget_class->size_allocate = gtk_flip_size_allocate;
+}
+
+static GtkWidget *
+gtk_flip_new (GtkWidget *child)
+{
+ GtkFlip *s = GTK_FLIP (g_object_new (GTK_TYPE_FLIP, NULL));
+
+ s->child = child;
+ gtk_widget_set_parent (child, GTK_WIDGET (s));
+
+ return GTK_WIDGET (s);
+}
+
+static void
+gtk_flip_flip (GtkFlip *self)
+{
+ self->flipped = !self->flipped;
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+}
+
+
+
+/* Stub definition of MyTextView which is used in the
+ * widget-factory.ui file. We just need this so the
+ * test keeps working
+ */
+typedef struct
+{
+ GtkTextView tv;
+} MyTextView;
+
+typedef GtkTextViewClass MyTextViewClass;
+
+G_DEFINE_TYPE (MyTextView, my_text_view, GTK_TYPE_TEXT_VIEW)
+
+static void
+my_text_view_init (MyTextView *tv) {}
+
+static void
+my_text_view_class_init (MyTextViewClass *tv_class) {}
+
+/* Copied from tests/scrolling-performance.c */
+GtkWidget *
+create_widget_factory_content (void)
+{
+ GError *error = NULL;
+ GtkBuilder *builder;
+ GtkWidget *result;
+
+ g_type_ensure (my_text_view_get_type ());
+ builder = gtk_builder_new ();
+ gtk_builder_add_from_file (builder,
+ "../demos/widget-factory/widget-factory.ui",
+ &error);
+ if (error != NULL)
+ g_error ("Failed to create widgets: %s", error->message);
+
+ result = GTK_WIDGET (gtk_builder_get_object (builder, "box1"));
+ g_object_ref (result);
+ gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (result)),
+ result);
+ g_object_unref (builder);
+
+ return result;
+}
+
+
+static void
+flip_button_clicked_cb (GtkButton *source,
+ gpointer user_data)
+{
+ GtkFlip *flip = user_data;
+
+ gtk_flip_flip (flip);
+}
+
+int
+main (int argc, char **argv)
+{
+ GtkWidget *window;
+ GtkWidget *flip;
+ GtkWidget *to_flip;
+ GtkWidget *hb;
+ GtkWidget *flip_button;
+
+
+ gtk_init ();
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ hb = gtk_header_bar_new ();
+ gtk_window_set_titlebar (GTK_WINDOW (window), hb);
+ flip_button = gtk_button_new_with_label ("Flip");
+ gtk_container_add (GTK_CONTAINER (hb), flip_button);
+ to_flip = create_widget_factory_content ();
+ g_object_set (G_OBJECT (to_flip), "margin", 0, NULL);
+ flip = gtk_flip_new (to_flip);
+ g_signal_connect (flip_button, "clicked", G_CALLBACK (flip_button_clicked_cb), flip);
+
+ gtk_container_add (GTK_CONTAINER (window), flip);
+
+ gtk_widget_show (window);
+ gtk_main ();
+
+ return 0;
+}
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