Start molding out a new src/backends/ dir

Right now this just has all of the files in one directory. We'll be introducing more structure to this in the future, and build a proper backend system.
2014-03-31 22:07:49 -04:00
parent ccced506ed
commit 229360b248
25 changed files with 25 additions and 24 deletions
--- a/src/backends/meta-cursor-tracker-private.h
+++ b/src/backends/meta-cursor-tracker-private.h
@ -0,0 +1,98 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/*
+ * Copyright 2013 Red Hat, Inc.
+ *
+ * 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 2 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/>.
+ *
+ * Author: Giovanni Campagna <gcampagn@redhat.com>
+ */
+
+#ifndef META_CURSOR_TRACKER_PRIVATE_H
+#define META_CURSOR_TRACKER_PRIVATE_H
+
+#include <meta/meta-cursor-tracker.h>
+#include <wayland-server.h>
+
+#include "meta-cursor.h"
+
+struct _MetaCursorTracker {
+  GObject parent_instance;
+
+  MetaScreen *screen;
+
+  gboolean is_showing;
+  gboolean has_hw_cursor;
+
+  /* The cursor tracker stores the cursor for the current grab
+   * operation, the cursor for the window with pointer focus, and
+   * the cursor for the root window, which contains either the
+   * default arrow cursor or the 'busy' hourglass if we're launching
+   * an app.
+   *
+   * We choose the first one available -- if there's a grab cursor,
+   * we choose that cursor, if there's window cursor, we choose that,
+   * otherwise we choose the root cursor.
+   *
+   * The displayed_cursor contains the chosen cursor.
+   */
+  MetaCursorReference *displayed_cursor;
+
+  MetaCursorReference *grab_cursor;
+
+  /* Wayland clients can set a NULL buffer as their cursor 
+   * explicitly, which means that we shouldn't display anything.
+   * So, we can't simply store a NULL in window_cursor to
+   * determine an unset window cursor; we need an extra boolean.
+   */
+  gboolean has_window_cursor;
+  MetaCursorReference *window_cursor;
+
+  MetaCursorReference *root_cursor;
+
+  MetaCursorReference *theme_cursors[META_CURSOR_LAST];
+
+  int current_x, current_y;
+  MetaRectangle current_rect;
+  MetaRectangle previous_rect;
+  gboolean previous_is_valid;
+
+  CoglPipeline *pipeline;
+  int drm_fd;
+  struct gbm_device *gbm;
+};
+
+struct _MetaCursorTrackerClass {
+  GObjectClass parent_class;
+};
+
+gboolean meta_cursor_tracker_handle_xevent (MetaCursorTracker *tracker,
+					    XEvent            *xevent);
+
+void     meta_cursor_tracker_set_grab_cursor     (MetaCursorTracker   *tracker,
+                                                  MetaCursorReference *cursor);
+void     meta_cursor_tracker_set_window_cursor   (MetaCursorTracker   *tracker,
+                                                  MetaCursorReference *cursor);
+void     meta_cursor_tracker_unset_window_cursor (MetaCursorTracker   *tracker);
+void     meta_cursor_tracker_set_root_cursor     (MetaCursorTracker   *tracker,
+                                                  MetaCursorReference *cursor);
+
+void     meta_cursor_tracker_update_position (MetaCursorTracker *tracker,
+					      int                new_x,
+					      int                new_y);
+void     meta_cursor_tracker_paint           (MetaCursorTracker *tracker);
+
+void     meta_cursor_tracker_force_update (MetaCursorTracker *tracker);
+
+#endif