blender/intern/ghost/GHOST_IWindow.h

315 lines
9.5 KiB
C++

/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ghost/GHOST_IWindow.h
* \ingroup GHOST
* Declaration of GHOST_IWindow interface class.
*/
#ifndef __GHOST_IWINDOW_H__
#define __GHOST_IWINDOW_H__
#include "STR_String.h"
#include "GHOST_Rect.h"
#include "GHOST_Types.h"
/**
* Interface for GHOST windows.
*
* You can create a window with the system's GHOST_ISystem::createWindow
* method.
* \see GHOST_ISystem#createWindow
*
* There are two coordinate systems:
* <ul>
* <li>The screen coordinate system. The origin of the screen is located in the
* upper left corner of the screen.</li>
* <li>The client rectangle coordinate system. The client rectangle of a window
* is the area that is drawable by the application (excluding title bars etc.).
* </li>
* </ul>
* \author Maarten Gribnau
* \date May 31, 2001
*/
class GHOST_IWindow
{
public:
/**
* Destructor.
*/
virtual ~GHOST_IWindow()
{
}
/**
* Returns indication as to whether the window is valid.
* \return The validity of the window.
*/
virtual bool getValid() const = 0;
/**
* Returns the associated OS object/handle
* \return The associated OS object/handle
*/
virtual void *getOSWindow() const = 0;
/**
* Returns the type of drawing context used in this window.
* \return The current type of drawing context.
*/
virtual GHOST_TDrawingContextType getDrawingContextType() = 0;
/**
* Tries to install a rendering context in this window.
* \param type The type of rendering context installed.
* \return Indication as to whether installation has succeeded.
*/
virtual GHOST_TSuccess setDrawingContextType(GHOST_TDrawingContextType type) = 0;
/**
* Sets the title displayed in the title bar.
* \param title The title to display in the title bar.
*/
virtual void setTitle(const STR_String& title) = 0;
/**
* Returns the title displayed in the title bar.
* \param title The title displayed in the title bar.
*/
virtual void getTitle(STR_String& title) const = 0;
/**
* Returns the window rectangle dimensions.
* These are screen coordinates.
* \param bounds The bounding rectangle of the window.
*/
virtual void getWindowBounds(GHOST_Rect& bounds) const = 0;
/**
* Returns the client rectangle dimensions.
* The left and top members of the rectangle are always zero.
* \param bounds The bounding rectangle of the client area of the window.
*/
virtual void getClientBounds(GHOST_Rect& bounds) const = 0;
/**
* Resizes client rectangle width.
* \param width The new width of the client area of the window.
*/
virtual GHOST_TSuccess setClientWidth(GHOST_TUns32 width) = 0;
/**
* Resizes client rectangle height.
* \param height The new height of the client area of the window.
*/
virtual GHOST_TSuccess setClientHeight(GHOST_TUns32 height) = 0;
/**
* Resizes client rectangle.
* \param width The new width of the client area of the window.
* \param height The new height of the client area of the window.
*/
virtual GHOST_TSuccess setClientSize(GHOST_TUns32 width, GHOST_TUns32 height) = 0;
/**
* Converts a point in screen coordinates to client rectangle coordinates
* \param inX The x-coordinate on the screen.
* \param inY The y-coordinate on the screen.
* \param outX The x-coordinate in the client rectangle.
* \param outY The y-coordinate in the client rectangle.
*/
virtual void screenToClient(GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
/**
* Converts a point in screen coordinates to client rectangle coordinates
* \param inX The x-coordinate in the client rectangle.
* \param inY The y-coordinate in the client rectangle.
* \param outX The x-coordinate on the screen.
* \param outY The y-coordinate on the screen.
*/
virtual void clientToScreen(GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
/**
* Tells if the ongoing drag'n'drop object can be accepted upon mouse drop
*/
virtual void setAcceptDragOperation(bool canAccept) = 0;
/**
* Returns acceptance of the dropped object
* Usually called by the "object dropped" event handling function
*/
virtual bool canAcceptDragOperation() const = 0;
/**
* Returns the state of the window (normal, minimized, maximized).
* \return The state of the window.
*/
virtual GHOST_TWindowState getState() const = 0;
/**
* Sets the state of the window (normal, minimized, maximized).
* \param state The state of the window.
* \return Indication of success.
*/
virtual GHOST_TSuccess setState(GHOST_TWindowState state) = 0;
/**
* Sets the window "modified" status, indicating unsaved changes
* \param isUnsavedChanges Unsaved changes or not
* \return Indication of success.
*/
virtual GHOST_TSuccess setModifiedState(bool isUnsavedChanges) = 0;
/**
* Gets the window "modified" status, indicating unsaved changes
* \return True if there are unsaved changes
*/
virtual bool getModifiedState() = 0;
/**
* Sets the order of the window (bottom, top).
* \param order The order of the window.
* \return Indication of success.
*/
virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
/**
* Swaps front and back buffers of a window.
* \return A boolean success indicator.
*/
virtual GHOST_TSuccess swapBuffers() = 0;
/**
* Activates the drawing context of this window.
* \return A boolean success indicator.
*/
virtual GHOST_TSuccess activateDrawingContext() = 0;
/**
* Invalidates the contents of this window.
* \return Indication of success.
*/
virtual GHOST_TSuccess invalidate() = 0;
/**
* Returns the window user data.
* \return The window user data.
*/
virtual GHOST_TUserDataPtr getUserData() const = 0;
/**
* Changes the window user data.
* \param data The window user data.
*/
virtual void setUserData(const GHOST_TUserDataPtr userData) = 0;
/**
* Returns the tablet data (pressure etc).
* \return The tablet data (pressure etc).
*/
virtual const GHOST_TabletData *GetTabletData() = 0;
/***************************************************************************************
* Progress bar functionality
***************************************************************************************/
/**
* Sets the progress bar value displayed in the window/application icon
* \param progress The progress %
*/
virtual GHOST_TSuccess setProgressBar(float progress) = 0;
/**
* Hides the progress bar in the icon
*/
virtual GHOST_TSuccess endProgressBar() = 0;
/***************************************************************************************
* Cursor management functionality
***************************************************************************************/
/**
* Returns the current cursor shape.
* \return The current cursor shape.
*/
virtual GHOST_TStandardCursor getCursorShape() const = 0;
/**
* Set the shape of the cursor.
* \param cursor The new cursor shape type id.
* \return Indication of success.
*/
virtual GHOST_TSuccess setCursorShape(GHOST_TStandardCursor cursorShape) = 0;
/**
* Set the shape of the cursor to a custom cursor.
* \param bitmap The bitmap data for the cursor.
* \param mask The mask data for the cursor.
* \param hotX The X coordinate of the cursor hotspot.
* \param hotY The Y coordinate of the cursor hotspot.
* \return Indication of success.
*/
virtual GHOST_TSuccess setCustomCursorShape(GHOST_TUns8 bitmap[16][2],
GHOST_TUns8 mask[16][2],
int hotX,
int hotY) = 0;
virtual GHOST_TSuccess setCustomCursorShape(GHOST_TUns8 *bitmap,
GHOST_TUns8 *mask,
int sizex, int sizey,
int hotX, int hotY,
int fg_color, int bg_color) = 0;
/**
* Returns the visibility state of the cursor.
* \return The visibility state of the cursor.
*/
virtual bool getCursorVisibility() const = 0;
/**
* Shows or hides the cursor.
* \param visible The new visibility state of the cursor.
* \return Indication of success.
*/
virtual GHOST_TSuccess setCursorVisibility(bool visible) = 0;
/**
* Grabs the cursor for a modal operation.
* \param grab The new grab state of the cursor.
* \return Indication of success.
*/
virtual GHOST_TSuccess setCursorGrab(GHOST_TGrabCursorMode mode, GHOST_Rect *bounds, GHOST_TInt32 mouse_ungrab_xy[2]) { return GHOST_kSuccess; }
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IWindow")
#endif
};
#endif // __GHOST_IWINDOW_H__