[gnome-todo/gbsneto/animations: 9/10] tests: Add interative test for affine transforms

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 4fa58fd84fa07802f5cb0552bb88e97e45ce153a
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Aug 11 14:11:02 2020 -0300

    tests: Add interative test for affine transforms

 tests/interactive/test-widget.c | 130 ++++++++++++++++++++++++++++++++++++++++
 tests/meson.build               |   1 +
 2 files changed, 131 insertions(+)
---
diff --git a/tests/interactive/test-widget.c b/tests/interactive/test-widget.c
new file mode 100644
index 0000000..3df5584
--- /dev/null
+++ b/tests/interactive/test-widget.c
@@ -0,0 +1,130 @@
+/* test-widget.c
+ *
+ * Copyright 2020 Georges Basile Stavracas Neto <georges stavracas gmail com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "gtd-widget.h"
+
+static const char *css =
+"translated {"
+"  background-image: none;"
+"  background-color: red;"
+"}\n"
+"scaled {"
+"  background-image: none;"
+"  background-color: green;"
+"}\n"
+"rotated {"
+"  background-image: none;"
+"  background-color: blue;"
+"}\n"
+;
+
+static const char *ui =
+"<interface>"
+"  <object class='GtkWindow' id='window'>"
+"    <property name='default-width'>400</property>"
+"    <property name='default-height'>300</property>"
+"    <child>"
+"      <object class='GtdWidget'>"
+"        <child>"
+"          <object class='GtdWidget' id='translated'>"
+"            <property name='css-name'>translated</property>"
+"            <property name='translation-x'>30.0</property>"
+"            <property name='translation-y'>15.0</property>"
+"            <property name='translation-z'>0.0</property>"
+"            <property name='valign'>start</property>"
+"            <property name='width-request'>30</property>"
+"            <property name='height-request'>30</property>"
+"          </object>"
+"        </child>"
+"        <child>"
+"          <object class='GtdWidget' id='scaled'>"
+"            <property name='css-name'>scaled</property>"
+"            <property name='scale-x'>0.75</property>"
+"            <property name='scale-y'>1.25</property>"
+"            <property name='scale-z'>1.0</property>"
+"            <property name='valign'>center</property>"
+"            <property name='width-request'>30</property>"
+"            <property name='height-request'>30</property>"
+"          </object>"
+"        </child>"
+"        <child>"
+"          <object class='GtdWidget' id='rotated'>"
+"            <property name='css-name'>rotated</property>"
+"            <property name='rotation-x'>30.0</property>"
+"            <property name='rotation-y'>-15.0</property>"
+"            <property name='rotation-z'>0</property>"
+"            <property name='valign'>end</property>"
+"            <property name='width-request'>30</property>"
+"            <property name='height-request'>30</property>"
+"          </object>"
+"        </child>"
+"      </object>"
+"    </child>"
+"  </object>"
+"</interface>";
+
+static GtkWidget *
+create_ui (void)
+{
+  g_autoptr (GtkBuilder) builder = NULL;
+  g_autoptr (GError) error = NULL;
+  GtkWidget *win;
+
+  g_type_ensure (GTD_TYPE_WIDGET);
+
+  builder = gtk_builder_new ();
+  if (!gtk_builder_add_from_string (builder, ui, -1, &error))
+    {
+      g_warning ("%s", error->message);
+      return NULL;
+    }
+
+  win = (GtkWidget *)gtk_builder_get_object (builder, "window");
+  g_object_ref (win);
+
+  return win;
+}
+
+gint
+main (gint   argc,
+      gchar *argv[])
+{
+  g_autoptr (GtkCssProvider) css_provider = NULL;
+  GtkWindow *window;
+
+  g_set_prgname ("test-colorbutton");
+  g_set_application_name ("GNOME To Do | Widget Test");
+
+  gtk_init ();
+
+  css_provider = gtk_css_provider_new ();
+  gtk_css_provider_load_from_data (css_provider, css, -1);
+  gtk_style_context_add_provider_for_display (gdk_display_get_default (),
+                                              GTK_STYLE_PROVIDER (css_provider),
+                                              GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+  window = GTK_WINDOW (create_ui ());
+  gtk_window_present (window);
+
+  while (TRUE)
+    g_main_context_iteration (NULL, TRUE);
+
+  return 0;
+}
diff --git a/tests/meson.build b/tests/meson.build
index d56cc54..1b6e03c 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -79,6 +79,7 @@ interactive_tests = [
   'test-filter-sort',
   'test-star-widget',
   'test-task-model',
+  'test-widget',
 ]
 
 foreach interactive_test : interactive_tests