Added support for custom cursor/icon

src/Nazara/Utility/Cursor.cpp

@@ -0,0 +1,61 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Utility/Cursor.hpp>
+
+#if defined(NAZARA_PLATFORM_WINDOWS)
+	#include <Nazara/Utility/Win32/CursorImpl.hpp>
+#elif defined(NAZARA_PLATFORM_LINUX)
+	#include <Nazara/Utility/Linux/CursorImpl.hpp>
+#else
+	#error Lack of implementation: Cursor
+#endif
+
+#include <Nazara/Utility/Debug.hpp>
+
+NzCursor::NzCursor() :
+m_impl(nullptr)
+{
+}
+
+NzCursor::~NzCursor()
+{
+	Destroy();
+}
+
+bool NzCursor::Create(const NzImage& cursor, int hotSpotX, int hotSpotY)
+{
+	Destroy();
+
+	m_impl = new NzCursorImpl;
+	if (!m_impl->Create(cursor, hotSpotX, hotSpotY))
+	{
+		NazaraError("Failed to create cursor implementation");
+		delete m_impl;
+		m_impl = nullptr;
+		return false;
+	}
+
+	return true;
+}
+
+bool NzCursor::Create(const NzImage& cursor, const NzVector2i& hotSpot)
+{
+	return Create(cursor, hotSpot.x, hotSpot.y);
+}
+
+void NzCursor::Destroy()
+{
+	if (m_impl)
+	{
+		m_impl->Destroy();
+		delete m_impl;
+		m_impl = nullptr;
+	}
+}
+
+bool NzCursor::IsValid() const
+{
+	return m_impl != nullptr;
+}

src/Nazara/Utility/Icon.cpp

@@ -0,0 +1,56 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Utility/Icon.hpp>
+
+#if defined(NAZARA_PLATFORM_WINDOWS)
+	#include <Nazara/Utility/Win32/IconImpl.hpp>
+#elif defined(NAZARA_PLATFORM_LINUX)
+	#include <Nazara/Utility/Linux/IconImpl.hpp>
+#else
+	#error Lack of implementation: Icon
+#endif
+
+#include <Nazara/Utility/Debug.hpp>
+
+NzIcon::NzIcon() :
+m_impl(nullptr)
+{
+}
+
+NzIcon::~NzIcon()
+{
+	Destroy();
+}
+
+bool NzIcon::Create(const NzImage& icon)
+{
+	Destroy();
+
+	m_impl = new NzIconImpl;
+	if (!m_impl->Create(icon))
+	{
+		NazaraError("Failed to create cursor implementation");
+		delete m_impl;
+		m_impl = nullptr;
+		return false;
+	}
+
+	return true;
+}
+
+void NzIcon::Destroy()
+{
+	if (m_impl)
+	{
+		m_impl->Destroy();
+		delete m_impl;
+		m_impl = nullptr;
+	}
+}
+
+bool NzIcon::IsValid() const
+{
+	return m_impl != nullptr;
+}

src/Nazara/Utility/Win32/CursorImpl.cpp

@@ -0,0 +1,52 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Utility/Win32/CursorImpl.hpp>
+#include <Nazara/Core/Error.hpp>
+#include <Nazara/Utility/Image.hpp>
+#include <Nazara/Utility/Debug.hpp>
+
+bool NzCursorImpl::Create(const NzImage& cursor, int hotSpotX, int hotSpotY)
+{
+	NzImage windowsCursor(cursor);
+	if (!windowsCursor.Convert(nzPixelFormat_BGRA8))
+	{
+		NazaraError("Failed to convert cursor to BGRA8");
+		return false;
+	}
+
+	HBITMAP bitmap = CreateBitmap(windowsCursor.GetWidth(), windowsCursor.GetHeight(), 1, 32, windowsCursor.GetConstPixels());
+	HBITMAP monoBitmap = CreateBitmap(windowsCursor.GetWidth(), windowsCursor.GetHeight(), 1, 1, nullptr);
+
+	// http://msdn.microsoft.com/en-us/library/windows/desktop/ms648052(v=vs.85).aspx
+	ICONINFO iconInfo;
+    iconInfo.fIcon = FALSE;
+    iconInfo.xHotspot = hotSpotX;
+    iconInfo.yHotspot = hotSpotY;
+    iconInfo.hbmMask = monoBitmap;
+    iconInfo.hbmColor = bitmap;
+
+	m_cursor = CreateIconIndirect(&iconInfo);
+
+	DeleteObject(bitmap);
+	DeleteObject(monoBitmap);
+
+	if (!m_cursor)
+	{
+		NazaraError("Failed to create cursor: " + NzGetLastSystemError());
+		return false;
+	}
+
+	return true;
+}
+
+void NzCursorImpl::Destroy()
+{
+	DestroyIcon(m_cursor);
+}
+
+HCURSOR NzCursorImpl::GetCursor()
+{
+	return m_cursor;
+}

src/Nazara/Utility/Win32/CursorImpl.hpp

@@ -0,0 +1,26 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_CURSORIMPL_HPP
+#define NAZARA_CURSORIMPL_HPP
+
+#include <windows.h>
+
+class NzImage;
+
+class NzCursorImpl
+{
+	public:
+		bool Create(const NzImage& image, int hotSpotX, int hotSpotY);
+		void Destroy();
+
+		HCURSOR GetCursor();
+
+	private:
+		HICON m_cursor = nullptr;
+};
+
+#endif // NAZARA_CURSORIMPL_HPP

src/Nazara/Utility/Win32/IconImpl.cpp

@@ -0,0 +1,49 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Utility/Win32/IconImpl.hpp>
+#include <Nazara/Utility/Image.hpp>
+#include <Nazara/Utility/Debug.hpp>
+
+bool NzIconImpl::Create(const NzImage& icon)
+{
+	NzImage windowsIcon(icon);
+	if (!windowsIcon.Convert(nzPixelFormat_BGRA8))
+	{
+		NazaraError("Failed to convert icon to BGRA8");
+		return false;
+	}
+
+	HBITMAP bitmap = CreateBitmap(windowsIcon.GetWidth(), windowsIcon.GetHeight(), 1, 32, windowsIcon.GetConstPixels());
+	HBITMAP monoBitmap = CreateBitmap(windowsIcon.GetWidth(), windowsIcon.GetHeight(), 1, 1, nullptr);
+
+	// http://msdn.microsoft.com/en-us/library/windows/desktop/ms648052(v=vs.85).aspx
+	ICONINFO iconInfo;
+    iconInfo.fIcon = TRUE;
+    iconInfo.hbmMask = monoBitmap;
+    iconInfo.hbmColor = bitmap;
+
+	m_icon = CreateIconIndirect(&iconInfo);
+
+	DeleteObject(bitmap);
+	DeleteObject(monoBitmap);
+
+	if (!m_icon)
+	{
+		NazaraError("Failed to create icon: " + NzGetLastSystemError());
+		return false;
+	}
+
+	return true;
+}
+
+void NzIconImpl::Destroy()
+{
+	DestroyIcon(m_icon);
+}
+
+HICON NzIconImpl::GetIcon()
+{
+	return m_icon;
+}

src/Nazara/Utility/Win32/IconImpl.hpp

@@ -0,0 +1,26 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_ICONIMPL_HPP
+#define NAZARA_ICONIMPL_HPP
+
+#include <windows.h>
+
+class NzImage;
+
+class NzIconImpl
+{
+	public:
+		bool Create(const NzImage& image);
+		void Destroy();
+
+		HICON GetIcon();
+
+	private:
+		HICON m_icon = nullptr;
+};
+
+#endif // NAZARA_ICONIMPL_HPP

src/Nazara/Utility/Win32/WindowImpl.cpp

@@ -12,6 +12,11 @@
 #include <Nazara/Core/Thread.hpp>
 #include <Nazara/Core/ThreadCondition.hpp>
 #include <Nazara/Utility/Config.hpp>
+#include <Nazara/Utility/Cursor.hpp>
+#include <Nazara/Utility/Image.hpp>
+#include <Nazara/Utility/Icon.hpp>
+#include <Nazara/Utility/Win32/CursorImpl.hpp>
+#include <Nazara/Utility/Win32/IconImpl.hpp>
 #include <cstdio>
 #include <windowsx.h>
 #include <Nazara/Utility/Debug.hpp>
@@ -274,9 +279,6 @@ bool NzWindowImpl::IsVisible() const
 
 void NzWindowImpl::SetCursor(nzWindowCursor cursor)
 {
-	// Pas besoin de libérer le curseur par la suite s'il est partagé
-	// http://msdn.microsoft.com/en-us/library/windows/desktop/ms648045(v=vs.85).aspx
-
 	switch (cursor)
 	{
 		case nzWindowCursor_Crosshair:
@@ -337,9 +339,16 @@ void NzWindowImpl::SetCursor(nzWindowCursor cursor)
 			break;
 	}
 
+	// Pas besoin de libérer le curseur par la suite s'il est partagé
+	// http://msdn.microsoft.com/en-us/library/windows/desktop/ms648045(v=vs.85).aspx
 	::SetCursor(m_cursor);
 }
 
+void NzWindowImpl::SetCursor(const NzCursor& cursor)
+{
+	m_cursor = cursor.m_impl->GetCursor();
+}
+
 void NzWindowImpl::SetEventListener(bool listener)
 {
 	if (m_ownsWindow)
@@ -365,6 +374,14 @@ void NzWindowImpl::SetFocus()
 	SetForegroundWindow(m_handle);
 }
 
+void NzWindowImpl::SetIcon(const NzIcon& icon)
+{
+	HICON iconHandle = icon.m_impl->GetIcon();
+
+	SendMessage(m_handle, WM_SETICON, ICON_BIG, reinterpret_cast<LPARAM>(iconHandle));
+	SendMessage(m_handle, WM_SETICON, ICON_SMALL, reinterpret_cast<LPARAM>(iconHandle));
+}
+
 void NzWindowImpl::SetMaximumSize(int width, int height)
 {
 	RECT rect = {0, 0, width, height};

src/Nazara/Utility/Win32/WindowImpl.hpp

@@ -57,8 +57,10 @@ class NzWindowImpl : NzNonCopyable
 		bool IsVisible() const;
 
 		void SetCursor(nzWindowCursor cursor);
+		void SetCursor(const NzCursor& cursor);
 		void SetEventListener(bool listener);
 		void SetFocus();
+		void SetIcon(const NzIcon& icon);
 		void SetMaximumSize(int width, int height);
 		void SetMinimumSize(int width, int height);
 		void SetPosition(int x, int y);

src/Nazara/Utility/Window.cpp

@@ -5,11 +5,18 @@
 #include <Nazara/Utility/Window.hpp>
 #include <Nazara/Core/Error.hpp>
 #include <Nazara/Core/LockGuard.hpp>
+#include <Nazara/Utility/Cursor.hpp>
+#include <Nazara/Utility/Image.hpp>
+#include <Nazara/Utility/Icon.hpp>
 #include <stdexcept>
 
 #if defined(NAZARA_PLATFORM_WINDOWS)
+	#include <Nazara/Utility/Win32/CursorImpl.hpp>
+	#include <Nazara/Utility/Win32/IconImpl.hpp>
 	#include <Nazara/Utility/Win32/WindowImpl.hpp>
 #elif defined(NAZARA_PLATFORM_LINUX)
+	#include <Nazara/Utility/Linux/CursorImpl.hpp>
+	#include <Nazara/Utility/Linux/IconImpl.hpp>
 	#include <Nazara/Utility/Linux/WindowImpl.hpp>
 #else
 	#error Lack of implementation: Window
@@ -305,6 +312,20 @@ void NzWindow::SetCursor(nzWindowCursor cursor)
 		m_impl->SetCursor(cursor);
 }
 
+void NzWindow::SetCursor(const NzCursor& cursor)
+{
+	#if NAZARA_UTILITY_SAFE
+	if (!cursor.IsValid())
+	{
+		NazaraError("Cursor is not valid");
+		return;
+	}
+	#endif
+
+	if (m_impl)
+		m_impl->SetCursor(cursor);
+}
+
 void NzWindow::SetEventListener(bool listener)
 {
 	if (!m_impl)
@@ -337,6 +358,20 @@ void NzWindow::SetFocus()
 		m_impl->SetFocus();
 }
 
+void NzWindow::SetIcon(const NzIcon& icon)
+{
+	#if NAZARA_UTILITY_SAFE
+	if (!icon.IsValid())
+	{
+		NazaraError("Icon is not valid");
+		return;
+	}
+	#endif
+
+	if (m_impl)
+		m_impl->SetIcon(icon);
+}
+
 void NzWindow::SetMaximumSize(const NzVector2i& maxSize)
 {
 	if (m_impl)