461 lines
14 KiB
C++
461 lines
14 KiB
C++
/*
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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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/** \file
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* \ingroup GHOST
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* Declaration of GHOST_Window class.
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*/
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#ifndef __GHOST_WINDOW_H__
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#define __GHOST_WINDOW_H__
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#include "GHOST_IWindow.h"
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class GHOST_Context;
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/**
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* Platform independent implementation of GHOST_IWindow.
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* Dimensions are given in screen coordinates that are relative to the
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* upper-left corner of the screen.
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* Implements part of the GHOST_IWindow interface and adds some methods to
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* be implemented by sub-classes of this class.
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*/
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class GHOST_Window : public GHOST_IWindow {
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public:
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/**
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* Constructor.
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* Creates a new window and opens it.
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* To check if the window was created properly, use the getValid() method.
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* \param width The width the window.
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* \param heigh The height the window.
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* \param state The state the window is initially opened with.
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* \param type The type of drawing context installed in this window.
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* \param stereoVisual Stereo visual for quad buffered stereo.
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* \param exclusive Use to show the window ontop and ignore others
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* (used fullscreen).
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*/
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GHOST_Window(GHOST_TUns32 width,
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GHOST_TUns32 height,
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GHOST_TWindowState state,
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const bool wantStereoVisual = false,
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const bool exclusive = false);
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/**
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* \section Interface inherited from GHOST_IWindow left for derived class
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* implementation.
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* virtual bool getValid() const = 0;
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* virtual void setTitle(const char * title) = 0;
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* virtual std::string getTitle() const = 0;
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* virtual void getWindowBounds(GHOST_Rect& bounds) const = 0;
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* virtual void getClientBounds(GHOST_Rect& bounds) const = 0;
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* virtual GHOST_TSuccess setClientWidth(GHOST_TUns32 width) = 0;
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* virtual GHOST_TSuccess setClientHeight(GHOST_TUns32 height) = 0;
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* virtual GHOST_TSuccess setClientSize(GHOST_TUns32 width, GHOST_TUns32 height) = 0;
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* virtual void screenToClient(
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* GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
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* virtual void clientToScreen(
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* GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
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* virtual GHOST_TWindowState getState() const = 0;
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* virtual GHOST_TSuccess setState(GHOST_TWindowState state) = 0;
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* virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
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* virtual GHOST_TSuccess swapBuffers() = 0;
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* virtual GHOST_TSuccess setSwapInterval() = 0;
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* virtual GHOST_TSuccess getSwapInterval(int& intervalOut) = 0;
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* virtual GHOST_TSuccess activateDrawingContext() = 0;
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* virtual GHOST_TSuccess invalidate() = 0;
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*/
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/**
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* Destructor.
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* Closes the window and disposes resources allocated.
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*/
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virtual ~GHOST_Window();
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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
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{
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return m_context != NULL;
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}
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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;
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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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inline GHOST_TStandardCursor getCursorShape() const;
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inline bool isDialog() const
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{
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return false;
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}
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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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GHOST_TSuccess setCursorShape(GHOST_TStandardCursor cursorShape);
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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 hot-spot.
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* \param hotY The Y coordinate of the cursor hot-spot.
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* \return Indication of success.
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*/
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GHOST_TSuccess setCustomCursorShape(GHOST_TUns8 *bitmap,
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GHOST_TUns8 *mask,
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int sizex,
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int sizey,
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int hotX,
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int hotY,
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bool canInvertColor);
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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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inline bool getCursorVisibility() const;
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inline GHOST_TGrabCursorMode getCursorGrabMode() const;
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inline bool getCursorGrabModeIsWarp() const;
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inline GHOST_TAxisFlag getCursorGrabAxis() const;
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inline void getCursorGrabInitPos(GHOST_TInt32 &x, GHOST_TInt32 &y) const;
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inline void getCursorGrabAccum(GHOST_TInt32 &x, GHOST_TInt32 &y) const;
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inline void setCursorGrabAccum(GHOST_TInt32 x, GHOST_TInt32 y);
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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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GHOST_TSuccess setCursorVisibility(bool visible);
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/**
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* Sets the cursor grab.
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* \param mode The new grab state of the cursor.
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* \return Indication of success.
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*/
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GHOST_TSuccess setCursorGrab(GHOST_TGrabCursorMode mode,
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GHOST_TAxisFlag wrap_axis,
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GHOST_Rect *bounds,
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GHOST_TInt32 mouse_ungrab_xy[2]);
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/**
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* Gets the cursor grab region, if unset the window is used.
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* reset when grab is disabled.
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*/
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GHOST_TSuccess getCursorGrabBounds(GHOST_Rect &bounds);
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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 % (0.0 to 1.0)
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*/
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virtual GHOST_TSuccess setProgressBar(float /*progress*/)
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{
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return GHOST_kFailure;
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}
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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()
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{
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return GHOST_kFailure;
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}
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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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GHOST_TSuccess setSwapInterval(int interval);
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/**
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* Gets the current swap interval for swapBuffers.
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* \return An integer.
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*/
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GHOST_TSuccess getSwapInterval(int &intervalOut);
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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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void setAcceptDragOperation(bool canAccept);
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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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bool canAcceptDragOperation() const;
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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);
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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();
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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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inline GHOST_TDrawingContextType getDrawingContextType();
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/**
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* Tries to install a rendering context in this window.
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* Child classes do not need to overload this method,
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* They should overload newDrawingContext instead.
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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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GHOST_TSuccess setDrawingContextType(GHOST_TDrawingContextType type);
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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();
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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();
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/**
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* Updates the drawing context of this window. Needed
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* whenever the window is changed.
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* \return Indication of success.
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*/
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GHOST_TSuccess updateDrawingContext();
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/**
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* Gets the OpenGL framebuffer associated with the window's contents.
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* \return The ID of an OpenGL framebuffer object.
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*/
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virtual unsigned int getDefaultFramebuffer();
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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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inline GHOST_TUserDataPtr getUserData() const
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{
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return m_userData;
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}
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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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void setUserData(const GHOST_TUserDataPtr userData)
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{
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m_userData = userData;
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}
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float getNativePixelSize(void)
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{
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if (m_nativePixelSize > 0.0f)
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return m_nativePixelSize;
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return 1.0f;
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}
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/**
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* Returns the recommended DPI for this window.
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* \return The recommended DPI for this window.
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*/
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virtual inline GHOST_TUns16 getDPIHint()
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{
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return 96;
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}
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#ifdef WITH_INPUT_IME
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virtual void beginIME(
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GHOST_TInt32 x, GHOST_TInt32 y, GHOST_TInt32 w, GHOST_TInt32 h, int completed)
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{
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/* do nothing temporarily if not in windows */
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}
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virtual void endIME()
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{
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/* do nothing temporarily if not in windows */
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}
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#endif /* WITH_INPUT_IME */
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protected:
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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_Context *newDrawingContext(GHOST_TDrawingContextType type) = 0;
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/**
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* Sets the cursor visibility on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCursorVisibility(bool visible) = 0;
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/**
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* Sets the cursor grab on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCursorGrab(GHOST_TGrabCursorMode /*mode*/)
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{
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return GHOST_kSuccess;
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}
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/**
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* Sets the cursor shape on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCursorShape(GHOST_TStandardCursor shape) = 0;
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/**
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* Sets the cursor shape on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCustomCursorShape(GHOST_TUns8 *bitmap,
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GHOST_TUns8 *mask,
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int szx,
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int szy,
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int hotX,
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int hotY,
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bool canInvertColor) = 0;
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GHOST_TSuccess releaseNativeHandles();
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/** The drawing context installed in this window. */
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GHOST_TDrawingContextType m_drawingContextType;
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/** The window user data */
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GHOST_TUserDataPtr m_userData;
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/** The current visibility of the cursor */
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bool m_cursorVisible;
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/** The current grabbed state of the cursor */
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GHOST_TGrabCursorMode m_cursorGrab;
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/** Grab cursor axis.*/
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GHOST_TAxisFlag m_cursorGrabAxis;
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/** Initial grab location. */
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GHOST_TInt32 m_cursorGrabInitPos[2];
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/** Accumulated offset from m_cursorGrabInitPos. */
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GHOST_TInt32 m_cursorGrabAccumPos[2];
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/** Wrap the cursor within this region. */
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GHOST_Rect m_cursorGrabBounds;
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/** The current shape of the cursor */
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GHOST_TStandardCursor m_cursorShape;
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/** The presence of progress indicator with the application icon */
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bool m_progressBarVisible;
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/** The acceptance of the "drop candidate" of the current drag'n'drop operation */
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bool m_canAcceptDragOperation;
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/** Modified state : are there unsaved changes */
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bool m_isUnsavedChanges;
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/** Stores whether this is a full screen window. */
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bool m_fullScreen;
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/** Whether to attempt to initialize a context with a stereo framebuffer. */
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bool m_wantStereoVisual;
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/** Full-screen width */
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GHOST_TUns32 m_fullScreenWidth;
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/** Full-screen height */
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GHOST_TUns32 m_fullScreenHeight;
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/* OSX only, retina screens */
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float m_nativePixelSize;
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private:
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GHOST_Context *m_context;
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};
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inline GHOST_TDrawingContextType GHOST_Window::getDrawingContextType()
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{
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return m_drawingContextType;
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}
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inline bool GHOST_Window::getCursorVisibility() const
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{
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return m_cursorVisible;
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}
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inline GHOST_TGrabCursorMode GHOST_Window::getCursorGrabMode() const
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{
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return m_cursorGrab;
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}
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inline bool GHOST_Window::getCursorGrabModeIsWarp() const
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{
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return (m_cursorGrab == GHOST_kGrabWrap) || (m_cursorGrab == GHOST_kGrabHide);
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}
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inline GHOST_TAxisFlag GHOST_Window::getCursorGrabAxis() const
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{
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return m_cursorGrabAxis;
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}
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inline void GHOST_Window::getCursorGrabInitPos(GHOST_TInt32 &x, GHOST_TInt32 &y) const
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{
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x = m_cursorGrabInitPos[0];
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y = m_cursorGrabInitPos[1];
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}
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inline void GHOST_Window::getCursorGrabAccum(GHOST_TInt32 &x, GHOST_TInt32 &y) const
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{
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x = m_cursorGrabAccumPos[0];
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y = m_cursorGrabAccumPos[1];
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}
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inline void GHOST_Window::setCursorGrabAccum(GHOST_TInt32 x, GHOST_TInt32 y)
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{
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m_cursorGrabAccumPos[0] = x;
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m_cursorGrabAccumPos[1] = y;
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}
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inline GHOST_TStandardCursor GHOST_Window::getCursorShape() const
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{
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return m_cursorShape;
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}
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#endif // _GHOST_WINDOW_H
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