rename gtk test shell files

webkit/tools/test_shell/webwidget_host_gtk.cc

+// Copyright (c) 2006-2008 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 "webkit/tools/test_shell/webwidget_host.h"
+
+#include <cairo/cairo.h>
+#include <gtk/gtk.h>
+
+#include "base/logging.h"
+#include "base/gfx/platform_canvas_linux.h"
+#include "base/gfx/platform_device_linux.h"
+#include "base/gfx/bitmap_platform_device_linux.h"
+#include "webkit/glue/webinputevent.h"
+#include "webkit/glue/webwidget.h"
+
+namespace {
+
+// -----------------------------------------------------------------------------
+// Callback functions to proxy to host...
+
+gboolean ConfigureEvent(GtkWidget* widget, GdkEventConfigure* config,
+                        WebWidgetHost* host) {
+  host->Resize(gfx::Size(config->width, config->height));
+  return FALSE;
+}
+
+gboolean ExposeEvent(GtkWidget* widget, GdkEventExpose* expose,
+                     WebWidgetHost* host) {
+  gfx::Rect rect(expose->area);
+  host->UpdatePaintRect(rect);
+  host->Paint();
+  return FALSE;
+}
+
+gboolean DestroyEvent(GtkWidget* widget, GdkEvent* event,
+                      WebWidgetHost* host) {
+  host->WindowDestroyed();
+  return FALSE;
+}
+
+gboolean KeyPressReleaseEvent(GtkWidget* widget, GdkEventKey* event,
+                              WebWidgetHost* host) {
+  WebKeyboardEvent wke(event);
+  host->webwidget()->HandleInputEvent(&wke);
+
+  // The WebKeyboardEvent model, when holding down a key, is:
+  //   KEY_DOWN, CHAR, (repeated CHAR as key repeats,) KEY_UP
+  // The GDK model for the same sequence is just:
+  //   KEY_PRESS, (repeated KEY_PRESS as key repeats,) KEY_RELEASE
+  // So we must simulate a CHAR event for every key press.
+  if (event->type == GDK_KEY_PRESS) {
+    wke.type = WebKeyboardEvent::CHAR;
+    host->webwidget()->HandleInputEvent(&wke);
+  }
+
+  return FALSE;
+}
+
+gboolean FocusIn(GtkWidget* widget, GdkEventFocus* focus,
+                 WebWidgetHost* host) {
+  host->webwidget()->SetFocus(true);
+  return FALSE;
+}
+
+gboolean FocusOut(GtkWidget* widget, GdkEventFocus* focus,
+                  WebWidgetHost* host) {
+  host->webwidget()->SetFocus(false);
+  return FALSE;
+}
+
+gboolean ButtonPressReleaseEvent(GtkWidget* widget, GdkEventButton* event,
+                                 WebWidgetHost* host) {
+  WebMouseEvent wme(event);
+  host->webwidget()->HandleInputEvent(&wme);
+  return FALSE;
+}
+
+gboolean MouseMoveEvent(GtkWidget* widget, GdkEventMotion* event,
+                        WebWidgetHost* host) {
+  WebMouseEvent wme(event);
+  host->webwidget()->HandleInputEvent(&wme);
+  return FALSE;
+}
+
+gboolean MouseScrollEvent(GtkWidget* widget, GdkEventScroll* event,
+                          WebWidgetHost* host) {
+  WebMouseWheelEvent wmwe(event);
+  host->webwidget()->HandleInputEvent(&wmwe);
+  return FALSE;
+}
+
+}  // anonymous namespace
+
+// -----------------------------------------------------------------------------
+
+gfx::WindowHandle WebWidgetHost::CreateWindow(gfx::WindowHandle box,
+                                              void* host) {
+  GtkWidget* widget = gtk_drawing_area_new();
+  gtk_box_pack_start(GTK_BOX(box), widget, TRUE, TRUE, 0);
+
+  gtk_widget_add_events(widget, GDK_EXPOSURE_MASK |
+                                GDK_POINTER_MOTION_MASK |
+                                GDK_BUTTON_PRESS_MASK |
+                                GDK_BUTTON_RELEASE_MASK |
+                                GDK_KEY_PRESS_MASK |
+                                GDK_KEY_RELEASE_MASK);
+  GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
+  g_signal_connect(widget, "configure-event", G_CALLBACK(ConfigureEvent), host);
+  g_signal_connect(widget, "expose-event", G_CALLBACK(ExposeEvent), host);
+  g_signal_connect(widget, "destroy-event", G_CALLBACK(DestroyEvent), host);
+  g_signal_connect(widget, "key-press-event", G_CALLBACK(KeyPressReleaseEvent),
+                   host);
+  g_signal_connect(widget, "key-release-event",
+                   G_CALLBACK(KeyPressReleaseEvent), host);
+  g_signal_connect(widget, "focus-in-event", G_CALLBACK(FocusIn), host);
+  g_signal_connect(widget, "focus-out-event", G_CALLBACK(FocusOut), host);
+  g_signal_connect(widget, "button-press-event",
+                   G_CALLBACK(ButtonPressReleaseEvent), host);
+  g_signal_connect(widget, "button-release-event",
+                   G_CALLBACK(ButtonPressReleaseEvent), host);
+  g_signal_connect(widget, "motion-notify-event", G_CALLBACK(MouseMoveEvent),
+                   host);
+  g_signal_connect(widget, "scroll-event", G_CALLBACK(MouseScrollEvent),
+                   host);
+
+  return widget;
+}
+
+WebWidgetHost* WebWidgetHost::Create(gfx::WindowHandle box,
+                                     WebWidgetDelegate* delegate) {
+  WebWidgetHost* host = new WebWidgetHost();
+  host->view_ = CreateWindow(box, host);
+  host->webwidget_ = WebWidget::Create(delegate);
+
+  return host;
+}
+
+void WebWidgetHost::UpdatePaintRect(const gfx::Rect& rect) {
+  paint_rect_ = paint_rect_.Union(rect);
+}
+
+void WebWidgetHost::DidInvalidateRect(const gfx::Rect& damaged_rect) {
+  DLOG_IF(WARNING, painting_) << "unexpected invalidation while painting";
+
+  UpdatePaintRect(damaged_rect);
+
+  gtk_widget_queue_draw_area(GTK_WIDGET(view_), damaged_rect.x(),
+      damaged_rect.y(), damaged_rect.width(), damaged_rect.height());
+}
+
+void WebWidgetHost::DidScrollRect(int dx, int dy, const gfx::Rect& clip_rect) {
+  // This is used for optimizing painting when the renderer is scrolled. We're
+  // currently not doing any optimizations so just invalidate the region.
+  DidInvalidateRect(clip_rect);
+}
+
+WebWidgetHost* FromWindow(gfx::WindowHandle view) {
+  const gpointer p = g_object_get_data(G_OBJECT(view), "webwidgethost");
+  return (WebWidgetHost* ) p;
+}
+
+WebWidgetHost::WebWidgetHost()
+    : view_(NULL),
+      webwidget_(NULL),
+      scroll_dx_(0),
+      scroll_dy_(0),
+      track_mouse_leave_(false) {
+  set_painting(false);
+}
+
+WebWidgetHost::~WebWidgetHost() {
+  webwidget_->Close();
+  webwidget_->Release();
+}
+
+void WebWidgetHost::Resize(const gfx::Size &newsize) {
+  // The pixel buffer backing us is now the wrong size
+  canvas_.reset();
+
+  webwidget_->Resize(gfx::Size(newsize.width(), newsize.height()));
+}
+
+void WebWidgetHost::Paint() {
+  int width = view_->allocation.width;
+  int height = view_->allocation.height;
+  gfx::Rect client_rect(width, height);
+
+  // Allocate a canvas if necessary
+  if (!canvas_.get()) {
+    ResetScrollRect();
+    paint_rect_ = client_rect;
+    canvas_.reset(new gfx::PlatformCanvas(width, height, true));
+    if (!canvas_.get()) {
+      // memory allocation failed, we can't paint.
+      LOG(ERROR) << "Failed to allocate memory for " << width << "x" << height;
+      return;
+    }
+  }
+
+  // This may result in more invalidation
+  webwidget_->Layout();
+
+  // Paint the canvas if necessary.  Allow painting to generate extra rects the
+  // first time we call it.  This is necessary because some WebCore rendering
+  // objects update their layout only when painted.
+  for (int i = 0; i < 2; ++i) {
+    paint_rect_ = client_rect.Intersect(paint_rect_);
+    if (!paint_rect_.IsEmpty()) {
+      gfx::Rect rect(paint_rect_);
+      paint_rect_ = gfx::Rect();
+
+      DLOG_IF(WARNING, i == 1) << "painting caused additional invalidations";
+      PaintRect(rect);
+    }
+  }
+  DCHECK(paint_rect_.IsEmpty());
+
+  // BitBlit to the X server
+  gfx::PlatformDeviceLinux &platdev = canvas_->getTopPlatformDevice();
+  gfx::BitmapPlatformDeviceLinux* const bitdev =
+    static_cast<gfx::BitmapPlatformDeviceLinux* >(&platdev);
+  
+  cairo_t* cairo_drawable = gdk_cairo_create(view_->window);
+  cairo_set_source_surface(cairo_drawable, bitdev->surface(), 0, 0);
+  cairo_paint(cairo_drawable);
+  cairo_destroy(cairo_drawable);
+}
+
+void WebWidgetHost::ResetScrollRect() {
+  // This method is only needed for optimized scroll painting, which we don't
+  // care about in the test shell, yet.
+}
+
+void WebWidgetHost::PaintRect(const gfx::Rect& rect) {
+  set_painting(true);
+  webwidget_->Paint(canvas_.get(), rect);
+  set_painting(false);
+}
+
+// -----------------------------------------------------------------------------
+// This is called when the GTK window is destroyed. In the Windows code this
+// deletes this object. Since it's only test_shell it probably doesn't matter
+// that much.
+// -----------------------------------------------------------------------------
+void WebWidgetHost::WindowDestroyed() {
+  delete this;
+}