/* * ***** 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: * * - The screen coordinate system. The origin of the screen is located in the * upper left corner of the screen. * - The client rectangle coordinate system. The client rectangle of a window * is the area that is drawable by the application (excluding title bars etc.). * * \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; /** * Sets the swap interval for swapBuffers. * \param interval The swap interval to use. * \return A boolean success indicator. */ virtual GHOST_TSuccess setSwapInterval(int interval) = 0; /** * Gets the current swap interval for swapBuffers. * \param intervalOut pointer to location to return swap interval (left untouched if there is an error) * \return A boolean success indicator of if swap interval was successfully read. */ virtual GHOST_TSuccess getSwapInterval(int& intervalOut) = 0; /** * Gets the current swap interval for swapBuffers. * \return Number of AA Samples (0 if there is no multisample buffer) */ virtual GHOST_TUns16 getNumOfAASamples() = 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 userData 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 cursorShape: 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; } /** */ virtual GHOST_TSuccess beginFullScreen() const = 0; virtual GHOST_TSuccess endFullScreen() const = 0; virtual float getNativePixelSize(void) = 0; /** * Returns the recommended DPI for this window. * \return The recommended DPI for this window. */ virtual GHOST_TUns16 getDPIHint() = 0; #ifdef WITH_INPUT_IME /** * Enable IME attached to the given window, i.e. allows user-input * events to be dispatched to the IME. * \param x Requested x-coordinate of the rectangle * \param y Requested y-coordinate of the rectangle * \param w Requested width of the rectangle * \param h Requested height of the rectangle * \param complete Whether or not to complete the ongoing composition * true: Start a new composition * false: Move the IME windows to the given position without finishing it. */ virtual void beginIME( GHOST_TInt32 x, GHOST_TInt32 y, GHOST_TInt32 w, GHOST_TInt32 h, int completed) = 0; /** * Disable the IME attached to the given window, i.e. prohibits any user-input * events from being dispatched to the IME. */ virtual void endIME() = 0; #endif /* WITH_INPUT_IME */ #ifdef WITH_CXX_GUARDEDALLOC MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IWindow") #endif }; #endif // __GHOST_IWINDOW_H__