366 lines
11 KiB
C++
366 lines
11 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file ghost/GHOST_IWindow.h
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* \ingroup GHOST
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* Declaration of GHOST_IWindow interface class.
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*/
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#ifndef __GHOST_IWINDOW_H__
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#define __GHOST_IWINDOW_H__
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#include "STR_String.h"
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#include "GHOST_Rect.h"
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#include "GHOST_Types.h"
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/**
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* Interface for GHOST windows.
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*
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* You can create a window with the system's GHOST_ISystem::createWindow
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* method.
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* \see GHOST_ISystem#createWindow
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*
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* There are two coordinate systems:
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*
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* - The screen coordinate system. The origin of the screen is located in the
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* upper left corner of the screen.</li>
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* - The client rectangle coordinate system. The client rectangle of a window
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* is the area that is drawable by the application (excluding title bars etc.).
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*
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* \author Maarten Gribnau
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* \date May 31, 2001
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*/
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class GHOST_IWindow
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{
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public:
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/**
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* Destructor.
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*/
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virtual ~GHOST_IWindow()
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{
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}
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/**
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* Returns indication as to whether the window is valid.
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* \return The validity of the window.
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*/
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virtual bool getValid() const = 0;
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/**
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* Returns the associated OS object/handle
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* \return The associated OS object/handle
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*/
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virtual void *getOSWindow() const = 0;
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/**
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* Returns the type of drawing context used in this window.
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* \return The current type of drawing context.
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*/
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virtual GHOST_TDrawingContextType getDrawingContextType() = 0;
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/**
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* Tries to install a rendering context in this window.
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* \param type The type of rendering context installed.
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* \return Indication as to whether installation has succeeded.
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*/
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virtual GHOST_TSuccess setDrawingContextType(GHOST_TDrawingContextType type) = 0;
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/**
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* Sets the title displayed in the title bar.
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* \param title The title to display in the title bar.
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*/
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virtual void setTitle(const STR_String& title) = 0;
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/**
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* Returns the title displayed in the title bar.
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* \param title The title displayed in the title bar.
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*/
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virtual void getTitle(STR_String& title) const = 0;
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/**
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* Returns the window rectangle dimensions.
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* These are screen coordinates.
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* \param bounds The bounding rectangle of the window.
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*/
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virtual void getWindowBounds(GHOST_Rect& bounds) const = 0;
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/**
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* Returns the client rectangle dimensions.
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* The left and top members of the rectangle are always zero.
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* \param bounds The bounding rectangle of the client area of the window.
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*/
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virtual void getClientBounds(GHOST_Rect& bounds) const = 0;
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/**
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* Resizes client rectangle width.
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* \param width The new width of the client area of the window.
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*/
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virtual GHOST_TSuccess setClientWidth(GHOST_TUns32 width) = 0;
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/**
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* Resizes client rectangle height.
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* \param height The new height of the client area of the window.
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*/
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virtual GHOST_TSuccess setClientHeight(GHOST_TUns32 height) = 0;
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/**
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* Resizes client rectangle.
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* \param width The new width of the client area of the window.
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* \param height The new height of the client area of the window.
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*/
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virtual GHOST_TSuccess setClientSize(GHOST_TUns32 width, GHOST_TUns32 height) = 0;
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/**
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* Converts a point in screen coordinates to client rectangle coordinates
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* \param inX The x-coordinate on the screen.
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* \param inY The y-coordinate on the screen.
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* \param outX The x-coordinate in the client rectangle.
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* \param outY The y-coordinate in the client rectangle.
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*/
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virtual void screenToClient(GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
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/**
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* Converts a point in screen coordinates to client rectangle coordinates
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* \param inX The x-coordinate in the client rectangle.
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* \param inY The y-coordinate in the client rectangle.
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* \param outX The x-coordinate on the screen.
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* \param outY The y-coordinate on the screen.
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*/
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virtual void clientToScreen(GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
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/**
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* Tells if the ongoing drag'n'drop object can be accepted upon mouse drop
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*/
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virtual void setAcceptDragOperation(bool canAccept) = 0;
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/**
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* Returns acceptance of the dropped object
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* Usually called by the "object dropped" event handling function
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*/
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virtual bool canAcceptDragOperation() const = 0;
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/**
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* Returns the state of the window (normal, minimized, maximized).
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* \return The state of the window.
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*/
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virtual GHOST_TWindowState getState() const = 0;
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/**
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* Sets the state of the window (normal, minimized, maximized).
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* \param state The state of the window.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setState(GHOST_TWindowState state) = 0;
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/**
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* Sets the window "modified" status, indicating unsaved changes
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* \param isUnsavedChanges Unsaved changes or not
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setModifiedState(bool isUnsavedChanges) = 0;
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/**
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* Gets the window "modified" status, indicating unsaved changes
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* \return True if there are unsaved changes
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*/
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virtual bool getModifiedState() = 0;
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/**
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* Sets the order of the window (bottom, top).
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* \param order The order of the window.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
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/**
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* Swaps front and back buffers of a window.
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* \return A boolean success indicator.
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*/
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virtual GHOST_TSuccess swapBuffers() = 0;
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/**
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* Sets the swap interval for swapBuffers.
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* \param interval The swap interval to use.
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* \return A boolean success indicator.
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*/
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virtual GHOST_TSuccess setSwapInterval(int interval) = 0;
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/**
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* Gets the current swap interval for swapBuffers.
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* \param intervalOut pointer to location to return swap interval (left untouched if there is an error)
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* \return A boolean success indicator of if swap interval was successfully read.
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*/
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virtual GHOST_TSuccess getSwapInterval(int& intervalOut) = 0;
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/**
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* Gets the current swap interval for swapBuffers.
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* \return Number of AA Samples (0 if there is no multisample buffer)
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*/
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virtual GHOST_TUns16 getNumOfAASamples() = 0;
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/**
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* Activates the drawing context of this window.
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* \return A boolean success indicator.
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*/
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virtual GHOST_TSuccess activateDrawingContext() = 0;
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/**
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* Invalidates the contents of this window.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess invalidate() = 0;
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/**
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* Returns the window user data.
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* \return The window user data.
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*/
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virtual GHOST_TUserDataPtr getUserData() const = 0;
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/**
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* Changes the window user data.
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* \param userData The window user data.
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*/
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virtual void setUserData(const GHOST_TUserDataPtr userData) = 0;
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/**
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* Returns the tablet data (pressure etc).
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* \return The tablet data (pressure etc).
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*/
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virtual const GHOST_TabletData *GetTabletData() = 0;
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/***************************************************************************************
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* Progress bar functionality
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***************************************************************************************/
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/**
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* Sets the progress bar value displayed in the window/application icon
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* \param progress The progress %
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*/
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virtual GHOST_TSuccess setProgressBar(float progress) = 0;
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/**
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* Hides the progress bar in the icon
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*/
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virtual GHOST_TSuccess endProgressBar() = 0;
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/***************************************************************************************
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* Cursor management functionality
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***************************************************************************************/
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/**
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* Returns the current cursor shape.
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* \return The current cursor shape.
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*/
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virtual GHOST_TStandardCursor getCursorShape() const = 0;
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/**
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* Set the shape of the cursor.
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* \param cursorShape: The new cursor shape type id.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setCursorShape(GHOST_TStandardCursor cursorShape) = 0;
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/**
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* Set the shape of the cursor to a custom cursor.
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* \param bitmap The bitmap data for the cursor.
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* \param mask The mask data for the cursor.
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* \param hotX The X coordinate of the cursor hotspot.
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* \param hotY The Y coordinate of the cursor hotspot.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setCustomCursorShape(GHOST_TUns8 bitmap[16][2],
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GHOST_TUns8 mask[16][2],
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int hotX,
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int hotY) = 0;
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virtual GHOST_TSuccess setCustomCursorShape(GHOST_TUns8 *bitmap,
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GHOST_TUns8 *mask,
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int sizex, int sizey,
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int hotX, int hotY,
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int fg_color, int bg_color) = 0;
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/**
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* Returns the visibility state of the cursor.
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* \return The visibility state of the cursor.
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*/
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virtual bool getCursorVisibility() const = 0;
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/**
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* Shows or hides the cursor.
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* \param visible The new visibility state of the cursor.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setCursorVisibility(bool visible) = 0;
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/**
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* Grabs the cursor for a modal operation.
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* \param grab The new grab state of the cursor.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setCursorGrab(GHOST_TGrabCursorMode /*mode*/,
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GHOST_Rect * /*bounds*/,
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GHOST_TInt32 /*mouse_ungrab_xy*/[2]) { return GHOST_kSuccess; }
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/** */
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virtual GHOST_TSuccess beginFullScreen() const = 0;
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virtual GHOST_TSuccess endFullScreen() const = 0;
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virtual float getNativePixelSize(void) = 0;
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#ifdef WITH_INPUT_IME
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/**
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* Enable IME attached to the given window, i.e. allows user-input
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* events to be dispatched to the IME.
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* \param x Requested x-coordinate of the rectangle
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* \param y Requested y-coordinate of the rectangle
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* \param w Requested width of the rectangle
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* \param h Requested height of the rectangle
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* \param complete Whether or not to complete the ongoing composition
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* true: Start a new composition
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* false: Move the IME windows to the given position without finishing it.
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*/
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virtual void beginIME(
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GHOST_TInt32 x, GHOST_TInt32 y,
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GHOST_TInt32 w, GHOST_TInt32 h,
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int completed) = 0;
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/**
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* Disable the IME attached to the given window, i.e. prohibits any user-input
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* events from being dispatched to the IME.
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*/
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virtual void endIME() = 0;
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#endif /* WITH_INPUT_IME */
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IWindow")
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#endif
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};
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#endif // __GHOST_IWINDOW_H__
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