Index: ui/wayland/wayland_cursor.cc |
diff --git a/ui/wayland/wayland_cursor.cc b/ui/wayland/wayland_cursor.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..13c4f5dd75d9553999481194b317ae016559cb0e |
--- /dev/null |
+++ b/ui/wayland/wayland_cursor.cc |
@@ -0,0 +1,76 @@ |
+// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "ui/wayland/wayland_cursor.h" |
+ |
+#include <cairo.h> |
+ |
+#include "base/logging.h" |
+#include "ui/wayland/wayland_display.h" |
+#include "ui/wayland/wayland_shm_buffer.h" |
+ |
+namespace { |
+ |
+struct PointerImage { |
+ const char* filename; |
+ int hotspot_x, hotspot_y; |
+}; |
+ |
+// TODO(dnicoara) Add more pointer images and fix the path |
tfarina
2011/07/25 16:27:13
end with period.
|
+static const struct PointerImage kPointerImages[] = { |
tfarina
2011/07/25 16:27:13
please, remove this static, since this is already
tfarina
2011/07/25 16:27:13
You can write this as:
struct PointerImage {
...
|
+ {"left_ptr.png", 10, 5}, |
+ {"hand.png", 10, 5}, |
+}; |
+ |
+} // namespace |
+ |
+namespace ui { |
+ |
+WaylandCursor::WaylandCursor(WaylandDisplay* display) |
+ : display_(display), |
+ buffer_(NULL) { |
+} |
+ |
+WaylandCursor::~WaylandCursor() { |
+ if (buffer_) { |
+ delete buffer_; |
+ buffer_ = NULL; |
+ } |
+} |
+ |
+void WaylandCursor::ChangeCursor(Type type) { |
+ const struct PointerImage *ptr = &kPointerImages[type]; |
tfarina
2011/07/25 16:27:13
const PointerImage& image = kPointerImages[type] ?
|
+ |
+ cairo_surface_t* ptr_surface = cairo_image_surface_create_from_png( |
+ ptr->filename); |
+ |
+ if (!ptr_surface) { |
+ LOG(ERROR) << "Failed to create cursor surface"; |
+ return; |
+ } |
+ |
+ int width = cairo_image_surface_get_width(ptr_surface); |
+ int height = cairo_image_surface_get_height(ptr_surface); |
+ |
+ if (buffer_) { |
+ delete buffer_; |
+ buffer_ = NULL; |
+ } |
+ |
+ // TODO(dnicoara) There should be a simpler way to create a wl_buffer for |
+ // a cairo surface. Meantime we just copy the contents of the cairo surface |
+ // created from file to the cairo surface created using a shm file. |
+ buffer_ = new WaylandShmBuffer(display_, width, height); |
+ cairo_surface_t* shared_surface = buffer_->GetDataSurface(); |
+ |
+ cairo_t* cr = cairo_create(shared_surface); |
+ cairo_set_source_surface(cr, ptr_surface, 0, 0); |
+ cairo_rectangle(cr, 0, 0, width, height); |
+ cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
+ cairo_fill(cr); |
+ |
+ display_->SetCursor(buffer_, ptr->hotspot_x, ptr->hotspot_y); |
+} |
+ |
+} // namespace ui |