V2

ui/views/demo/main.cc

+// 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 <windows.h>
+#include <atlbase.h>
+#include <atlapp.h>
+#include <atlcrack.h>
+#include <atlmisc.h>
+
+#include "base/at_exit.h"
+#include "base/message_loop.h"
+#include "gfx/canvas.h"
+#include "ui/views/view.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/native_widget_win.h"
+
+class V2DemoDispatcher : public MessageLoopForUI::Dispatcher {
+ public:
+  V2DemoDispatcher() {}
+  virtual ~V2DemoDispatcher() {}
+
+ private:
+  // Overridden from MessageLoopForUI::Dispatcher:
+  virtual bool Dispatch(const MSG& msg) {
+    TranslateMessage(&msg);
+    DispatchMessage(&msg);
+    return true;
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(V2DemoDispatcher);
+};
+
+class ColorView : public ui::View {
+ public:
+  explicit ColorView(SkColor color) : color_(color) {
+  }
+  ColorView() : color_(SK_ColorBLACK) {}
+  virtual ~ColorView() {}
+
+ protected:
+  SkColor color() const { return color_; }
+  void set_color(SkColor color) { color_ = color; }
+
+ private:
+  // Overridden from ui::View:
+  virtual void OnPaint(gfx::Canvas* canvas) {
+    canvas->FillRectInt(color_, 0, 0, width(), height());
+  }
+  virtual bool OnMousePressed(const ui::MouseEvent& event) {
+    color_ = color_ == SK_ColorBLACK ? SK_ColorWHITE : SK_ColorBLACK;
+    Invalidate();
+    return true;
+  }
+  virtual void OnMouseReleased(const ui::MouseEvent& event, bool canceled) {
+    color_ = color_ == SK_ColorWHITE ? SK_ColorMAGENTA : SK_ColorGREEN;
+    Invalidate();
+  }
+  virtual void OnMouseMoved(const ui::MouseEvent& event) {
+    U8CPU r = SkColorGetR(color_);
+    color_ = SkColorSetRGB(++r % 255, SkColorGetG(color_),
+                           SkColorGetB(color_));
+    Invalidate();
+  }
+  virtual bool OnMouseDragged(const ui::MouseEvent& event) {
+    U8CPU g = SkColorGetG(color_);
+    color_ = SkColorSetRGB(SkColorGetR(color_), ++g % 255,
+                           SkColorGetB(color_));
+    Invalidate();
+    return true;
+  }
+
+  SkColor color_;
+
+  DISALLOW_COPY_AND_ASSIGN(ColorView);
+};
+
+class FancyPantsView : public ColorView {
+ public:
+  FancyPantsView()
+      : ColorView(SK_ColorMAGENTA),
+        c1_(new ColorView(SK_ColorGREEN)),
+        c2_(new ColorView(SK_ColorRED)) {
+    AddChildView(c1_);
+    AddChildView(c2_);
+  }
+  virtual ~FancyPantsView() {}
+
+  // Overridden from ui::View:
+  virtual void Layout() {
+    c1_->SetBounds(20, 20, width() - 40, height() - 40);
+    c2_->SetBounds(50, 50, 50, 50);
+    Invalidate();
+  }
+  virtual bool OnMousePressed(const ui::MouseEvent& event) {
+    old_color_ = color();
+    set_color(SK_ColorWHITE);
+    mouse_offset_ = event.location();
+    return true;
+  }
+  virtual bool OnMouseDragged(const ui::MouseEvent& event) {
+    gfx::Rect old_bounds = bounds();
+    SetPosition(gfx::Point(event.x() - mouse_offset_.x(),
+                           event.y() - mouse_offset_.y()));
+    gfx::Rect new_bounds = bounds();
+    parent()->InvalidateRect(old_bounds.Union(new_bounds));
+    return true;
+  }
+  virtual void OnMouseReleased(const ui::MouseEvent& event) {
+    set_color(old_color_);
+  }
+  virtual void OnMouseCaptureLost() {
+    set_color(SK_ColorYELLOW);
+  }
+
+ private:
+  View* c1_;
+  View* c2_;
+
+  gfx::Point mouse_offset_;
+  SkColor old_color_;
+
+  DISALLOW_COPY_AND_ASSIGN(FancyPantsView);
+};
+
+
+
+class ContentsView : public ColorView {
+ public:
+  ContentsView()
+      : c1_(new ColorView(SK_ColorBLUE)),
+        c2_(new ColorView(SK_ColorGREEN)),
+        c3_(new FancyPantsView()),
+        ColorView(SK_ColorRED) {
+    set_parent_owned(false);
+    AddChildView(c1_);
+    AddChildView(c2_);
+    c3_->SetPosition(gfx::Point(200, 200));
+    AddChildView(c3_);
+  }
+
+  virtual ~ContentsView() {}
+
+  void Init() {
+    //c3_->SetHasLayer(true);
+  }
+
+ private:
+  // Overridden from ui::View:
+  virtual void Layout() {
+    c1_->SetBounds(20, 20, width() - 40, height() - 40);
+    c2_->SetBounds(50, 50, 50, 50);
+    c3_->SetSize(gfx::Size(75, 75));
+    Invalidate();
+  }
+
+  View* c1_;
+  View* c2_;
+  FancyPantsView* c3_;
+};
+
+int main(int argc, char **argv) {
+  OleInitialize(NULL);
+  base::AtExitManager exit_manager;
+  MessageLoop main_message_loop(MessageLoop::TYPE_UI);
+
+  ContentsView cv;
+  ui::Widget widget(&cv);
+  widget.InitWithNativeViewParent(NULL, gfx::Rect(20, 20, 400, 400));
+  cv.Init();
+  widget.Show();
+
+  V2DemoDispatcher dispatcher;
+  MessageLoopForUI::current()->Run(&dispatcher);
+
+  OleUninitialize();
+}