Move copy/paste of clipboard text from "ui" to "she" library

src/app/modules/gui.cpp

@@ -47,6 +47,7 @@
 #include "base/shared_ptr.h"
 #include "base/unique_ptr.h"
 #include "raster/sprite.h"
+#include "she/clipboard.h"
 #include "she/display.h"
 #include "she/surface.h"
 #include "she/system.h"
@@ -61,6 +62,7 @@
 
 #ifdef ALLEGRO_WINDOWS
 #include <winalleg.h>
+
 #endif
 
 #define SPRITEDITOR_ACTION_COPYSELECTION        "CopySelection"
@@ -134,6 +136,7 @@ protected:
 };
 
 static she::Display* main_display = NULL;
+static she::Clipboard* main_clipboard = NULL;
 static CustomizedGuiManager* manager = NULL;
 static Theme* ase_theme = NULL;
 
@@ -191,9 +194,12 @@ int init_module_gui()
     return -1;
   }
 
+  main_clipboard = she::Instance()->createClipboard();
+
   // Create the default-manager
   manager = new CustomizedGuiManager();
   manager->setDisplay(main_display);
+  manager->setClipboard(main_clipboard);
 
   // Setup the GUI theme for all widgets
   CurrentTheme::set(ase_theme = new SkinTheme());
@@ -236,6 +242,7 @@ void exit_module_gui()
   remove_keyboard();
   remove_mouse();
 
+  main_clipboard->dispose();
   main_display->dispose();
 }
 

src/she/clipboard.h

@@ -0,0 +1,25 @@
+// SHE library
+// Copyright (C) 2012-2014  David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef SHE_CLIPBOARD_H_INCLUDED
+#define SHE_CLIPBOARD_H_INCLUDED
+#pragma once
+
+#include <string>
+
+namespace she {
+
+  class Clipboard {
+  public:
+    virtual ~Clipboard() { }
+    virtual void dispose() = 0;
+    virtual std::string getText() = 0;
+    virtual void setText(const std::string& text) = 0;
+  };
+
+} // namespace she
+
+#endif

src/she/clipboard_simple.h

@@ -0,0 +1,38 @@
+// SHE library
+// Copyright (C) 2012-2014  David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef SHE_CLIPBOARD_IMPL_H_INCLUDED
+#define SHE_CLIPBOARD_IMPL_H_INCLUDED
+#pragma once
+
+#include "she/clipboard.h"
+
+namespace she {
+
+  class ClipboardImpl : public Clipboard {
+  public:
+    ~ClipboardImpl() {
+    }
+
+    void dispose() OVERRIDE {
+      delete this;
+    }
+
+    std::string getText() OVERRIDE {
+      return m_text;
+    }
+
+    void setText(const std::string& text) {
+      m_text = text;
+    }
+
+  private:
+    std::string m_text;
+  };
+
+} // namespace she
+
+#endif

src/she/clipboard_win.h

@@ -0,0 +1,76 @@
+// SHE library
+// Copyright (C) 2012-2014  David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef SHE_CLIPBOARD_IMPL_H_INCLUDED
+#define SHE_CLIPBOARD_IMPL_H_INCLUDED
+#pragma once
+
+#include "base/string.h"
+#include "she/clipboard.h"
+
+#pragma warning(disable:4996)   // To void MSVC warning about std::copy() with unsafe arguments
+
+namespace she {
+
+  class ClipboardImpl : public Clipboard {
+  public:
+    ~ClipboardImpl() {
+    }
+
+    void dispose() OVERRIDE {
+      delete this;
+    }
+
+    std::string getText() OVERRIDE {
+      std::string text;
+
+      if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
+        if (OpenClipboard(win_get_window())) {
+          HGLOBAL hglobal = GetClipboardData(CF_UNICODETEXT);
+          if (hglobal != NULL) {
+            LPWSTR lpstr = static_cast<LPWSTR>(GlobalLock(hglobal));
+            if (lpstr != NULL) {
+              text = base::to_utf8(lpstr).c_str();
+              GlobalUnlock(hglobal);
+            }
+          }
+          CloseClipboard();
+        }
+      }
+
+      return text;
+    }
+
+    void setText(const std::string& text) {
+      if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
+        if (OpenClipboard(win_get_window())) {
+          EmptyClipboard();
+
+          if (!text.empty()) {
+            std::wstring wstr = base::from_utf8(text);
+            int len = wstr.size();
+
+            HGLOBAL hglobal = GlobalAlloc(GMEM_MOVEABLE |
+              GMEM_ZEROINIT, sizeof(WCHAR)*(len+1));
+
+            LPWSTR lpstr = static_cast<LPWSTR>(GlobalLock(hglobal));
+            std::copy(wstr.begin(), wstr.end(), lpstr);
+            GlobalUnlock(hglobal);
+
+            SetClipboardData(CF_UNICODETEXT, hglobal);
+          }
+          CloseClipboard();
+        }
+      }
+    }
+
+  private:
+    std::string m_text;
+  };
+
+} // namespace she
+
+#endif

src/she/she.h

@@ -1,5 +1,5 @@
 // SHE library
-// Copyright (C) 2012-2013  David Capello
+// Copyright (C) 2012-2014  David Capello
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -8,6 +8,7 @@
 #define SHE_H_INCLUDED
 #pragma once
 
+#include "she/clipboard.h"
 #include "she/display.h"
 #include "she/event.h"
 #include "she/event_queue.h"

src/she/she_alleg4.cpp

@@ -1,5 +1,5 @@
 // SHE library
-// Copyright (C) 2012-2013  David Capello
+// Copyright (C) 2012-2014  David Capello
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -26,6 +26,12 @@
   #endif
 #endif
 
+#ifdef WIN32
+  #include "she/clipboard_win.h"
+#else
+  #include "she/clipboard_simple.h"
+#endif
+
 #include "loadpng.h"
 
 #include <cassert>
@@ -413,6 +419,10 @@ public:
                              Alleg4Surface::AutoDestroy);
   }
 
+  Clipboard* createClipboard() {
+    return new ClipboardImpl();
+  }
+
 };
 
 static System* g_instance;

src/she/system.h

@@ -13,9 +13,10 @@
 
 namespace she {
 
-  class Surface;
+  class Clipboard;
   class Display;
   class EventLoop;
+  class Surface;
 
   class DisplayCreationException : std::runtime_error {
   public:
@@ -31,6 +32,7 @@ namespace she {
     virtual Display* createDisplay(int width, int height, int scale) = 0;
     virtual Surface* createSurface(int width, int height) = 0;
     virtual Surface* createSurfaceFromNativeHandle(void* nativeHandle) = 0;
+    virtual Clipboard* createClipboard() = 0;
   };
 
   System* CreateSystem();

src/ui/clipboard.cpp

@@ -10,22 +10,27 @@
 
 #include "ui/clipboard.h"
 
-#ifdef WIN32
+#include "she/clipboard.h"
-#include "ui/clipboard_win.h"
+#include "ui/manager.h"
-#else
+
-#include "ui/clipboard_none.h"
+#include <string>
-#endif
 
 static std::string clipboard_text;
 
+namespace ui {
+namespace clipboard {
+
 const char* ui::clipboard::get_text()
 {
-  get_system_clipboard_text(clipboard_text);
+  clipboard_text = Manager::getDefault()->getClipboard()->getText();
   return clipboard_text.c_str();
 }
 
 void ui::clipboard::set_text(const char* text)
 {
   clipboard_text = text ? text: "";
-  set_system_clipboard_text(clipboard_text);
+  Manager::getDefault()->getClipboard()->setText(clipboard_text);
 }
+
+} // namespace clipboard
+} // namespace ui

src/ui/clipboard_none.h

@@ -1,21 +0,0 @@
-// Aseprite UI Library
-// Copyright (C) 2001-2014  David Capello
-//
-// This file is released under the terms of the MIT license.
-// Read LICENSE.txt for more information.
-
-#include <string>
-
-namespace {
-  
-void get_system_clipboard_text(std::string& text)
-{
-  // Do nothing
-}
-
-void set_system_clipboard_text(const std::string& text)
-{
-  // Do nothing
-}
-
-}

src/ui/manager.cpp

@@ -110,6 +110,7 @@ static void allegro_window_close_hook()
 Manager::Manager()
   : Widget(kManagerWidget)
   , m_display(NULL)
+  , m_clipboard(NULL)
   , m_eventQueue(NULL)
 {
   if (!m_defaultManager) {
@@ -184,6 +185,11 @@ void Manager::setDisplay(she::Display* display)
   m_eventQueue = m_display->getEventQueue();
 }
 
+void Manager::setClipboard(she::Clipboard* clipboard)
+{
+  m_clipboard = clipboard;
+}
+
 void Manager::run()
 {
   MessageLoop loop(this);

src/ui/manager.h

@@ -14,6 +14,7 @@
 #include "ui/widget.h"
 
 namespace she {
+  class Clipboard;
   class Display;
   class EventQueue;
 }
@@ -35,7 +36,10 @@ namespace ui {
     ~Manager();
 
     she::Display* getDisplay() { return m_display; }
+    she::Clipboard* getClipboard() { return m_clipboard; }
+
     void setDisplay(she::Display* display);
+    void setClipboard(she::Clipboard* clipboard);
 
     void run();
 
@@ -103,6 +107,7 @@ namespace ui {
 
     WidgetsList m_garbage;
     she::Display* m_display;
+    she::Clipboard* m_clipboard;
     she::EventQueue* m_eventQueue;
   };
 

src/ui/ui.cpp

@@ -9,7 +9,6 @@
 #endif
 
 #include "ui/base.h"
-#include "ui/clipboard.h"
 #include "ui/overlay_manager.h"
 #include "ui/theme.h"
 
@@ -39,9 +38,6 @@ GuiSystem::~GuiSystem()
   // finish theme
   CurrentTheme::set(NULL);
 
-  // destroy clipboard
-  clipboard::set_text(NULL);
-
   // shutdown system
   _ji_widgets_exit();
   _ji_font_exit();