[gtk/wip/matthiasc/popup2: 86/108] Add a window move/resize test

[Matthias Clasen <matthiasc src gnome org>]

commit e6124ac127b85db5170c5b866d8fec3697c9a204
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 24 10:52:42 2019 -0400

    Add a window move/resize test

 tests/meson.build      |   1 +
 tests/testwindowdrag.c | 140 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 141 insertions(+)
---
diff --git a/tests/meson.build b/tests/meson.build
index db90777a43..71ff372ad7 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -129,6 +129,7 @@ gtk_tests = [
   ['testoutsetshadowdrawing'],
   ['testblur'],
   ['testtexture'],
+  ['testwindowdrag'],
 ]
 
 if os_unix
diff --git a/tests/testwindowdrag.c b/tests/testwindowdrag.c
new file mode 100644
index 0000000000..6b15731811
--- /dev/null
+++ b/tests/testwindowdrag.c
@@ -0,0 +1,140 @@
+#include <gtk/gtk.h>
+
+static void
+start_resize (GtkGestureMultiPress *gesture,
+              int n_press,
+              double x,
+              double y,
+              gpointer   data)
+{
+  GtkWidget *widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
+  GdkSurfaceEdge edge = GPOINTER_TO_INT (data);
+  GdkSurface *surface;
+  GdkEvent *event;
+  guint button;
+  guint32 timestamp;
+  int xx = x;
+  int yy = y;
+
+  gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
+
+  surface = gtk_widget_get_surface (widget);
+  event = gtk_get_current_event ();
+  gdk_event_get_button (event, &button);  
+  timestamp = gdk_event_get_time (event);
+
+  gtk_widget_translate_coordinates (widget, GTK_WIDGET (gtk_widget_get_root (widget)),
+                                    xx, yy, &xx, &yy);
+  gdk_surface_begin_resize_drag (surface, edge, button, xx, yy, timestamp);
+
+  gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
+}
+
+static GtkWidget *
+resize_button (GdkSurfaceEdge edge)
+{
+  GtkWidget *button;
+  GtkGesture *gesture;
+
+  button = gtk_image_new_from_icon_name ("view-fullscreen-symbolic");
+  gtk_widget_set_hexpand (button, TRUE);
+  gtk_widget_set_vexpand (button, TRUE);
+  gesture = gtk_gesture_multi_press_new ();
+  g_signal_connect (gesture, "pressed", G_CALLBACK (start_resize), GINT_TO_POINTER (edge));
+  gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (gesture));
+
+  return button;
+}
+
+static void
+start_move (GtkGestureMultiPress *gesture,
+            int n_press,
+            double x,
+            double y,
+            gpointer   data)
+{
+  GtkWidget *widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
+  GdkSurface *surface;
+  GdkEvent *event;
+  guint button;
+  guint32 timestamp;
+  int xx = x;
+  int yy = y;
+
+  gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
+
+  surface = gtk_widget_get_surface (widget);
+  event = gtk_get_current_event ();
+  gdk_event_get_button (event, &button);  
+  timestamp = gdk_event_get_time (event);
+
+  gtk_widget_translate_coordinates (widget, GTK_WIDGET (gtk_widget_get_root (widget)),
+                                    xx, yy, &xx, &yy);
+  gdk_surface_begin_move_drag (surface, button, xx, yy, timestamp);
+  gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
+}
+
+static GtkWidget *
+move_button (void)
+{
+  GtkWidget *button;
+  GtkGesture *gesture;
+
+  button = gtk_image_new_from_icon_name ("view-grid-symbolic");
+  gtk_widget_set_hexpand (button, TRUE);
+  gtk_widget_set_vexpand (button, TRUE);
+  gesture = gtk_gesture_multi_press_new ();
+  g_signal_connect (gesture, "pressed", G_CALLBACK (start_move), NULL);
+  gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (gesture));
+
+  return button;
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+  GtkWidget *grid;
+
+  gtk_init ();
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  gtk_window_set_titlebar (GTK_WINDOW (window), gtk_header_bar_new ());
+
+  grid = gtk_grid_new ();
+  gtk_container_add (GTK_CONTAINER (window), grid);
+
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_NORTH_WEST), 
+                   0, 0, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_NORTH), 
+                   1, 0, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_NORTH_EAST), 
+                   2, 0, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_WEST), 
+                   0, 1, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   move_button (),
+                   1, 1, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_EAST), 
+                   2, 1, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_SOUTH_WEST), 
+                   0, 2, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_SOUTH), 
+                   1, 2, 1, 1);
+  gtk_grid_attach (GTK_GRID (grid),
+                   resize_button (GDK_SURFACE_EDGE_SOUTH_EAST), 
+                   2, 2, 1, 1);
+
+  gtk_widget_show (window);
+
+  gtk_main ();
+
+  return 0;
+}