423 lines
12 KiB
C++
423 lines
12 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_IRR_DEVICE_WIN32_H_INCLUDED__
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#define __C_IRR_DEVICE_WIN32_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_WINDOWS_DEVICE_
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#include "CIrrDeviceStub.h"
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#include "IrrlichtDevice.h"
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#include "IImagePresenter.h"
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#define WIN32_LEAN_AND_MEAN
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#if !defined(_IRR_XBOX_PLATFORM_)
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#include <windows.h>
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#include <mmsystem.h> // For JOYCAPS
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#include <windowsx.h>
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#endif
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#if !defined(GET_X_LPARAM)
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#define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
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#define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
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#endif
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namespace irr
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{
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struct SJoystickWin32Control;
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class CIrrDeviceWin32 : public CIrrDeviceStub, video::IImagePresenter
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{
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friend struct SJoystickWin32Control;
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public:
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//! constructor
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CIrrDeviceWin32(const SIrrlichtCreationParameters& params);
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//! destructor
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virtual ~CIrrDeviceWin32();
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//! runs the device. Returns false if device wants to be deleted
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virtual bool run();
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//! Cause the device to temporarily pause execution and let other processes to run
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// This should bring down processor usage without major performance loss for Irrlicht
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virtual void yield();
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//! Pause execution and let other processes to run for a specified amount of time.
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virtual void sleep(u32 timeMs, bool pauseTimer);
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//! sets the caption of the window
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virtual void setWindowCaption(const wchar_t* text);
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//! sets the class of the window
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virtual void setWindowClass(const char* text) {}
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//! returns if window is active. if not, nothing need to be drawn
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virtual bool isWindowActive() const;
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//! returns if window has focus
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virtual bool isWindowFocused() const;
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//! returns if window is minimized
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virtual bool isWindowMinimized() const;
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//! presents a surface in the client area
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virtual bool present(video::IImage* surface, void* windowId=0, core::rect<s32>* src=0);
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//! notifies the device that it should close itself
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virtual void closeDevice();
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//! \return Returns a pointer to a list with all video modes
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//! supported by the gfx adapter.
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video::IVideoModeList* getVideoModeList();
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//! Notifies the device, that it has been resized
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void OnResized();
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//! Sets if the window should be resizable in windowed mode.
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virtual void setResizable(bool resize=false);
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//! Minimizes the window.
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virtual void minimizeWindow();
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//! Maximizes the window.
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virtual void maximizeWindow();
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//! Restores the window size.
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virtual void restoreWindow();
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//! Move window to requested position
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virtual bool moveWindow(int x, int y);
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//! Get current window position.
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virtual bool getWindowPosition(int* x, int* y);
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//! Activate any joysticks, and generate events for them.
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virtual bool activateJoysticks(core::array<SJoystickInfo> & joystickInfo);
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//! Set the current Gamma Value for the Display
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virtual bool setGammaRamp( f32 red, f32 green, f32 blue, f32 brightness, f32 contrast );
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//! Get the current Gamma Value for the Display
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virtual bool getGammaRamp( f32 &red, f32 &green, f32 &blue, f32 &brightness, f32 &contrast );
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//! Remove all messages pending in the system message loop
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virtual void clearSystemMessages();
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//! Get the device type
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virtual E_DEVICE_TYPE getType() const
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{
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return EIDT_WIN32;
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}
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//! Compares to the last call of this function to return double and triple clicks.
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//! \return Returns only 1,2 or 3. A 4th click will start with 1 again.
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virtual u32 checkSuccessiveClicks(s32 mouseX, s32 mouseY, EMOUSE_INPUT_EVENT inputEvent )
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{
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// we just have to make it public
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return CIrrDeviceStub::checkSuccessiveClicks(mouseX, mouseY, inputEvent );
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}
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//! switchs to fullscreen
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bool switchToFullScreen(bool reset=false);
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//! Check for and show last Windows API error to help internal debugging.
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//! Does call GetLastError and on errors formats the errortext and displays it in a messagebox.
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static void ReportLastWinApiError();
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// convert an Irrlicht texture to a windows cursor
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HCURSOR TextureToCursor(HWND hwnd, irr::video::ITexture * tex, const core::rect<s32>& sourceRect, const core::position2d<s32> &hotspot);
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//! Implementation of the win32 cursor control
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class CCursorControl : public gui::ICursorControl
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{
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public:
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CCursorControl(CIrrDeviceWin32* device, const core::dimension2d<u32>& wsize, HWND hwnd, bool fullscreen);
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~CCursorControl();
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//! Changes the visible state of the mouse cursor.
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virtual void setVisible(bool visible)
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{
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CURSORINFO info;
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info.cbSize = sizeof(CURSORINFO);
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BOOL gotCursorInfo = GetCursorInfo(&info);
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while ( gotCursorInfo )
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{
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if ( (visible && info.flags == CURSOR_SHOWING) // visible
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|| (!visible && info.flags == 0 ) ) // hidden
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{
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break;
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}
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int showResult = ShowCursor(visible); // this only increases an internal display counter in windows, so it might have to be called some more
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if ( showResult < 0 )
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{
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break;
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}
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info.cbSize = sizeof(CURSORINFO); // yes, it really must be set each time
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gotCursorInfo = GetCursorInfo(&info);
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}
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IsVisible = visible;
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}
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//! Returns if the cursor is currently visible.
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virtual bool isVisible() const
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{
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_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
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return IsVisible;
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(const core::position2d<f32> &pos)
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{
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setPosition(pos.X, pos.Y);
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(f32 x, f32 y)
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{
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if (!UseReferenceRect)
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setPosition(core::round32(x*WindowSize.Width), core::round32(y*WindowSize.Height));
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else
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setPosition(core::round32(x*ReferenceRect.getWidth()), core::round32(y*ReferenceRect.getHeight()));
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(const core::position2d<s32> &pos)
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{
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setPosition(pos.X, pos.Y);
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(s32 x, s32 y)
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{
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if (UseReferenceRect)
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{
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SetCursorPos(ReferenceRect.UpperLeftCorner.X + x,
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ReferenceRect.UpperLeftCorner.Y + y);
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}
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else
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{
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RECT rect;
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if (GetWindowRect(HWnd, &rect))
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SetCursorPos(x + rect.left + BorderX, y + rect.top + BorderY);
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}
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CursorPos.X = x;
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CursorPos.Y = y;
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}
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//! Returns the current position of the mouse cursor.
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virtual const core::position2d<s32>& getPosition()
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{
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updateInternalCursorPosition();
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return CursorPos;
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}
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//! Returns the current position of the mouse cursor.
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virtual core::position2d<f32> getRelativePosition()
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{
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updateInternalCursorPosition();
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if (!UseReferenceRect)
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{
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return core::position2d<f32>(CursorPos.X * InvWindowSize.Width,
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CursorPos.Y * InvWindowSize.Height);
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}
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return core::position2d<f32>(CursorPos.X / (f32)ReferenceRect.getWidth(),
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CursorPos.Y / (f32)ReferenceRect.getHeight());
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}
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//! Sets an absolute reference rect for calculating the cursor position.
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virtual void setReferenceRect(core::rect<s32>* rect=0)
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{
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if (rect)
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{
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ReferenceRect = *rect;
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UseReferenceRect = true;
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// prevent division through zero and uneven sizes
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if (!ReferenceRect.getHeight() || ReferenceRect.getHeight()%2)
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ReferenceRect.LowerRightCorner.Y += 1;
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if (!ReferenceRect.getWidth() || ReferenceRect.getWidth()%2)
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ReferenceRect.LowerRightCorner.X += 1;
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}
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else
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UseReferenceRect = false;
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}
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/** Used to notify the cursor that the window was resized. */
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virtual void OnResize(const core::dimension2d<u32>& size)
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{
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WindowSize = size;
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if (size.Width!=0)
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InvWindowSize.Width = 1.0f / size.Width;
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else
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InvWindowSize.Width = 0.f;
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if (size.Height!=0)
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InvWindowSize.Height = 1.0f / size.Height;
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else
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InvWindowSize.Height = 0.f;
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}
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/** Used to notify the cursor that the window resizable settings changed. */
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void updateBorderSize(bool fullscreen, bool resizable)
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{
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if (!fullscreen)
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{
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if (resizable)
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{
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BorderX = GetSystemMetrics(SM_CXSIZEFRAME);
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BorderY = GetSystemMetrics(SM_CYCAPTION) + GetSystemMetrics(SM_CYSIZEFRAME);
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}
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else
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{
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BorderX = GetSystemMetrics(SM_CXDLGFRAME);
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BorderY = GetSystemMetrics(SM_CYCAPTION) + GetSystemMetrics(SM_CYDLGFRAME);
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}
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}
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else
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{
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BorderX = BorderY = 0;
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}
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}
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//! Sets the active cursor icon
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virtual void setActiveIcon(gui::ECURSOR_ICON iconId);
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//! Gets the currently active icon
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virtual gui::ECURSOR_ICON getActiveIcon() const
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{
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return ActiveIcon;
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}
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//! Add a custom sprite as cursor icon.
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virtual gui::ECURSOR_ICON addIcon(const gui::SCursorSprite& icon);
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//! replace the given cursor icon.
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virtual void changeIcon(gui::ECURSOR_ICON iconId, const gui::SCursorSprite& icon);
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//! Return a system-specific size which is supported for cursors. Larger icons will fail, smaller icons might work.
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virtual core::dimension2di getSupportedIconSize() const;
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void update();
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private:
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//! Updates the internal cursor position
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void updateInternalCursorPosition()
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{
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POINT p;
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if (!GetCursorPos(&p))
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{
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DWORD xy = GetMessagePos();
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p.x = GET_X_LPARAM(xy);
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p.y = GET_Y_LPARAM(xy);
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}
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if (UseReferenceRect)
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{
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CursorPos.X = p.x - ReferenceRect.UpperLeftCorner.X;
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CursorPos.Y = p.y - ReferenceRect.UpperLeftCorner.Y;
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}
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else
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{
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RECT rect;
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if (GetWindowRect(HWnd, &rect))
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{
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CursorPos.X = p.x-rect.left-BorderX;
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CursorPos.Y = p.y-rect.top-BorderY;
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}
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else
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{
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// window seems not to be existent, so set cursor to
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// a negative value
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CursorPos.X = -1;
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CursorPos.Y = -1;
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}
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}
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}
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CIrrDeviceWin32* Device;
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core::position2d<s32> CursorPos;
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core::dimension2d<u32> WindowSize;
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core::dimension2d<f32> InvWindowSize;
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HWND HWnd;
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s32 BorderX, BorderY;
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core::rect<s32> ReferenceRect;
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bool UseReferenceRect;
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bool IsVisible;
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struct CursorFrameW32
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{
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CursorFrameW32() : IconHW(0) {}
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CursorFrameW32(HCURSOR icon) : IconHW(icon) {}
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HCURSOR IconHW; // hardware cursor
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};
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struct CursorW32
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{
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CursorW32() {}
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explicit CursorW32(HCURSOR iconHw, u32 frameTime=0) : FrameTime(frameTime)
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{
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Frames.push_back( CursorFrameW32(iconHw) );
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}
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core::array<CursorFrameW32> Frames;
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u32 FrameTime;
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};
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core::array<CursorW32> Cursors;
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gui::ECURSOR_ICON ActiveIcon;
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u32 ActiveIconStartTime;
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void initCursors();
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};
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//! returns the win32 cursor control
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CCursorControl* getWin32CursorControl();
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HWND getHandle() const { return HWnd; }
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bool isIMEComposingStarted() const { return m_ime_composing_started; }
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void setIMEComposingStarted(bool started) { m_ime_composing_started = started; }
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private:
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//! create the driver
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void createDriver();
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//! Process system events
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void handleSystemMessages();
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void getWindowsVersion(core::stringc& version);
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void resizeIfNecessary();
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bool m_ime_composing_started;
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HWND HWnd;
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bool ChangedToFullScreen;
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bool Resized;
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bool ExternalWindow;
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CCursorControl* Win32CursorControl;
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DEVMODE DesktopMode;
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SJoystickWin32Control* JoyControl;
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};
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_WINDOWS_DEVICE_
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#endif // __C_IRR_DEVICE_WIN32_H_INCLUDED__
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