blender/intern/ghost/GHOST_C-api.h

898 lines
33 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 *****
*/
/** \ingroup GHOST
*
* \file GHOST_C-api.h
* \brief GHOST C-API function and type declarations.
*/
#ifndef __GHOST_C_API_H__
#define __GHOST_C_API_H__
#include "GHOST_Types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Creates a "handle" for a C++ GHOST object.
* A handle is just an opaque pointer to an empty struct.
* In the API the pointer is casted to the actual C++ class.
* \param name Name of the handle to create.
*/
GHOST_DECLARE_HANDLE(GHOST_SystemHandle);
GHOST_DECLARE_HANDLE(GHOST_TimerTaskHandle);
GHOST_DECLARE_HANDLE(GHOST_WindowHandle);
GHOST_DECLARE_HANDLE(GHOST_EventHandle);
GHOST_DECLARE_HANDLE(GHOST_RectangleHandle);
GHOST_DECLARE_HANDLE(GHOST_EventConsumerHandle);
/**
* Definition of a callback routine that receives events.
* \param event The event received.
* \param userdata The callback's user data, supplied to GHOST_CreateSystem.
*/
typedef int (*GHOST_EventCallbackProcPtr)(GHOST_EventHandle event, GHOST_TUserDataPtr userdata);
/**
* Creates the one and only system.
* \return a handle to the system.
*/
extern GHOST_SystemHandle GHOST_CreateSystem(void);
/**
* Disposes the one and only system.
* \param systemhandle The handle to the system
* \return An indication of success.
*/
extern GHOST_TSuccess GHOST_DisposeSystem(GHOST_SystemHandle systemhandle);
/**
* Creates an event consumer object
* \param eventCallback The event callback routine.
* \param userdata Pointer to user data returned to the callback routine.
*/
extern GHOST_EventConsumerHandle GHOST_CreateEventConsumer(GHOST_EventCallbackProcPtr eventCallback,
GHOST_TUserDataPtr userdata);
/**
* Disposes an event consumer object
* \param consumerhandle Handle to the event consumer.
* \return An indication of success.
*/
extern GHOST_TSuccess GHOST_DisposeEventConsumer(GHOST_EventConsumerHandle consumerhandle);
/**
* Returns the system time.
* Returns the number of milliseconds since the start of the system process.
* Based on ANSI clock() routine.
* \param systemhandle The handle to the system
* \return The number of milliseconds.
*/
extern GHOST_TUns64 GHOST_GetMilliSeconds(GHOST_SystemHandle systemhandle);
/**
* Installs a timer.
* Note that, on most operating systems, messages need to be processed in order
* for the timer callbacks to be invoked.
* \param systemhandle The handle to the system
* \param delay The time to wait for the first call to the timerProc (in milliseconds)
* \param interval The interval between calls to the timerProc (in milliseconds)
* \param timerProc The callback invoked when the interval expires,
* \param userData Placeholder for user data.
* \return A timer task (0 if timer task installation failed).
*/
extern GHOST_TimerTaskHandle GHOST_InstallTimer(GHOST_SystemHandle systemhandle,
GHOST_TUns64 delay,
GHOST_TUns64 interval,
GHOST_TimerProcPtr timerProc,
GHOST_TUserDataPtr userData);
/**
* Removes a timer.
* \param systemhandle The handle to the system
* \param timertaskhandle Timer task to be removed.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_RemoveTimer(GHOST_SystemHandle systemhandle,
GHOST_TimerTaskHandle timertaskhandle);
/***************************************************************************************
* Display/window management functionality
***************************************************************************************/
/**
* Returns the number of displays on this system.
* \param systemhandle The handle to the system
* \return The number of displays.
*/
extern GHOST_TUns8 GHOST_GetNumDisplays(GHOST_SystemHandle systemhandle);
/**
* Returns the dimensions of the main display on this system.
* \param systemhandle The handle to the system
* \param width A pointer the width gets put in
* \param height A pointer the height gets put in
* \return void.
*/
extern void GHOST_GetMainDisplayDimensions(GHOST_SystemHandle systemhandle,
GHOST_TUns32 *width,
GHOST_TUns32 *height);
/**
* Returns the dimensions of all displays combine
* (the current workspace).
* No need to worrky about overlapping monitors.
* \param systemhandle The handle to the system
* \param width A pointer the width gets put in
* \param height A pointer the height gets put in
* \return void.
*/
extern void GHOST_GetAllDisplayDimensions(GHOST_SystemHandle systemhandle,
GHOST_TUns32 *width,
GHOST_TUns32 *height);
/**
* Create a new window.
* The new window is added to the list of windows managed.
* Never explicitly delete the window, use disposeWindow() instead.
* \param systemhandle The handle to the system
* \param title The name of the window (displayed in the title bar of the window if the OS supports it).
* \param left The coordinate of the left edge of the window.
* \param top The coordinate of the top edge of the window.
* \param width The width the window.
* \param height The height the window.
* \param state The state of the window when opened.
* \param type The type of drawing context installed in this window.
* \param stereoVisual Stereo visual for quad buffered stereo.
* \param numOfAASamples Number of samples used for AA (zero if no AA)
* \return A handle to the new window ( == NULL if creation failed).
*/
extern GHOST_WindowHandle GHOST_CreateWindow(GHOST_SystemHandle systemhandle,
const char *title,
GHOST_TInt32 left,
GHOST_TInt32 top,
GHOST_TUns32 width,
GHOST_TUns32 height,
GHOST_TWindowState state,
GHOST_TDrawingContextType type,
const int stereoVisual,
const GHOST_TUns16 numOfAASamples);
/**
* Returns the window user data.
* \param windowhandle The handle to the window
* \return The window user data.
*/
extern GHOST_TUserDataPtr GHOST_GetWindowUserData(GHOST_WindowHandle windowhandle);
/**
* Changes the window user data.
* \param windowhandle The handle to the window
* \param userdata The window user data.
*/
extern void GHOST_SetWindowUserData(GHOST_WindowHandle windowhandle,
GHOST_TUserDataPtr userdata);
/**
* Dispose a window.
* \param systemhandle The handle to the system
* \param windowhandle Handle to the window to be disposed.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_DisposeWindow(GHOST_SystemHandle systemhandle,
GHOST_WindowHandle windowhandle);
/**
* Returns whether a window is valid.
* \param systemhandle The handle to the system
* \param windowhandle Handle to the window to be checked.
* \return Indication of validity.
*/
extern int GHOST_ValidWindow(GHOST_SystemHandle systemhandle,
GHOST_WindowHandle windowhandle);
/**
* Begins full screen mode.
* \param systemhandle The handle to the system
* \param setting The new setting of the display.
* \param stereoVisual Option for stereo display.
* \return A handle to the window displayed in full screen.
* This window is invalid after full screen has been ended.
*/
extern GHOST_WindowHandle GHOST_BeginFullScreen(GHOST_SystemHandle systemhandle,
GHOST_DisplaySetting *setting,
const int stereoVisual);
/**
* Ends full screen mode.
* \param systemhandle The handle to the system
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_EndFullScreen(GHOST_SystemHandle systemhandle);
/**
* Returns current full screen mode status.
* \param systemhandle The handle to the system
* \return The current status.
*/
extern int GHOST_GetFullScreen(GHOST_SystemHandle systemhandle);
/***************************************************************************************
* Event management functionality
***************************************************************************************/
/**
* Retrieves events from the system and stores them in the queue.
* \param systemhandle The handle to the system
* \param waitForEvent Boolean to indicate that ProcessEvents should
* wait (block) until the next event before returning.
* \return Indication of the presence of events.
*/
extern int GHOST_ProcessEvents(GHOST_SystemHandle systemhandle, int waitForEvent);
/**
* Retrieves events from the queue and send them to the event consumers.
* \param systemhandle The handle to the system
* \return Indication of the presence of events.
*/
extern int GHOST_DispatchEvents(GHOST_SystemHandle systemhandle);
/**
* Adds the given event consumer to our list.
* \param systemhandle The handle to the system
* \param consumerhandle The event consumer to add.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_AddEventConsumer(GHOST_SystemHandle systemhandle,
GHOST_EventConsumerHandle consumerhandle);
/**
* Remove the given event consumer to our list.
* \param systemhandle The handle to the system
* \param consumerhandle The event consumer to remove.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_RemoveEventConsumer(GHOST_SystemHandle systemhandle,
GHOST_EventConsumerHandle consumerhandle);
/***************************************************************************************
* Progress bar functionality
***************************************************************************************/
/**
* Sets the progress bar value displayed in the window/application icon
* \param windowhandle The handle to the window
* \param progress The progress % (0.0 to 1.0)
*/
extern GHOST_TSuccess GHOST_SetProgressBar(GHOST_WindowHandle windowhandle, float progress);
/**
* Hides the progress bar in the icon
* \param windowhandle The handle to the window
*/
extern GHOST_TSuccess GHOST_EndProgressBar(GHOST_WindowHandle windowhandle);
/***************************************************************************************
* Cursor management functionality
***************************************************************************************/
/**
* Returns the current cursor shape.
* \param windowhandle The handle to the window
* \return The current cursor shape.
*/
extern GHOST_TStandardCursor GHOST_GetCursorShape(GHOST_WindowHandle windowhandle);
/**
* Set the shape of the cursor.
* \param windowhandle The handle to the window
* \param cursorshape The new cursor shape type id.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetCursorShape(GHOST_WindowHandle windowhandle,
GHOST_TStandardCursor cursorshape);
/**
* Set the shape of the cursor to a custom cursor.
* \param windowhandle The handle to the window
* \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.
*/
extern GHOST_TSuccess GHOST_SetCustomCursorShape(GHOST_WindowHandle windowhandle,
GHOST_TUns8 bitmap[16][2],
GHOST_TUns8 mask[16][2],
int hotX,
int hotY);
/**
* Set the shape of the cursor to a custom cursor of specified size.
* \param windowhandle The handle to the window
* \param bitmap The bitmap data for the cursor.
* \param mask The mask data for the cursor.
* \param sizex The width of the cursor
* \param sizey The height of the cursor
* \param hotX The X coordinate of the cursor hotspot.
* \param hotY The Y coordinate of the cursor hotspot.
* \param fg_color, bg_color Colors of the cursor
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetCustomCursorShapeEx(GHOST_WindowHandle windowhandle,
GHOST_TUns8 *bitmap,
GHOST_TUns8 *mask,
int sizex, int sizey,
int hotX, int hotY,
int fg_color, int bg_color);
/**
* Returns the visibility state of the cursor.
* \param windowhandle The handle to the window
* \return The visibility state of the cursor.
*/
extern int GHOST_GetCursorVisibility(GHOST_WindowHandle windowhandle);
/**
* Shows or hides the cursor.
* \param windowhandle The handle to the window
* \param visible The new visibility state of the cursor.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetCursorVisibility(GHOST_WindowHandle windowhandle,
int visible);
/**
* Returns the current location of the cursor (location in screen coordinates)
* \param systemhandle The handle to the system
* \param x The x-coordinate of the cursor.
* \param y The y-coordinate of the cursor.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_GetCursorPosition(GHOST_SystemHandle systemhandle,
GHOST_TInt32 *x,
GHOST_TInt32 *y);
/**
* Updates the location of the cursor (location in screen coordinates).
* Not all operating systems allow the cursor to be moved (without the input device being moved).
* \param systemhandle The handle to the system
* \param x The x-coordinate of the cursor.
* \param y The y-coordinate of the cursor.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetCursorPosition(GHOST_SystemHandle systemhandle,
GHOST_TInt32 x,
GHOST_TInt32 y);
/**
* Grabs the cursor for a modal operation, to keep receiving
* events when the mouse is outside the window. X11 only, others
* do this automatically.
* \param windowhandle The handle to the window
* \param mode The new grab state of the cursor.
* \param bounds The grab ragion (optional) - left,top,right,bottom
* \param mouse_ungrab_xy XY for new mouse location (optional) - x,y
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetCursorGrab(GHOST_WindowHandle windowhandle,
GHOST_TGrabCursorMode mode,
int bounds[4], int mouse_ungrab_xy[2]);
/***************************************************************************************
* Access to mouse button and keyboard states.
***************************************************************************************/
/**
* Returns the state of a modifier key (ouside the message queue).
* \param systemhandle The handle to the system
* \param mask The modifier key state to retrieve.
* \param isDown Pointer to return modifier state in.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_GetModifierKeyState(GHOST_SystemHandle systemhandle,
GHOST_TModifierKeyMask mask,
int *isDown);
/**
* Returns the state of a mouse button (ouside the message queue).
* \param systemhandle The handle to the system
* \param mask The button state to retrieve.
* \param isDown Pointer to return button state in.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_GetButtonState(GHOST_SystemHandle systemhandle,
GHOST_TButtonMask mask,
int *isDown);
/***************************************************************************************
* Drag'n'drop operations
***************************************************************************************/
/**
* Tells if the ongoing drag'n'drop object can be accepted upon mouse drop
*/
extern void GHOST_setAcceptDragOperation(GHOST_WindowHandle windowhandle, GHOST_TInt8 canAccept);
/**
* Returns the event type.
* \param eventhandle The handle to the event
* \return The event type.
*/
extern GHOST_TEventType GHOST_GetEventType(GHOST_EventHandle eventhandle);
/**
* Returns the time this event was generated.
* \param eventhandle The handle to the event
* \return The event generation time.
*/
extern GHOST_TUns64 GHOST_GetEventTime(GHOST_EventHandle eventhandle);
/**
* Returns the window this event was generated on,
* or NULL if it is a 'system' event.
* \param eventhandle The handle to the event
* \return The generating window.
*/
extern GHOST_WindowHandle GHOST_GetEventWindow(GHOST_EventHandle eventhandle);
/**
* Returns the event data.
* \param eventhandle The handle to the event
* \return The event data.
*/
extern GHOST_TEventDataPtr GHOST_GetEventData(GHOST_EventHandle eventhandle);
/**
* Returns the timer callback.
* \param timertaskhandle The handle to the timertask
* \return The timer callback.
*/
extern GHOST_TimerProcPtr GHOST_GetTimerProc(GHOST_TimerTaskHandle timertaskhandle);
/**
* Changes the timer callback.
* \param timertaskhandle The handle to the timertask
* \param timerProc The timer callback.
*/
extern void GHOST_SetTimerProc(GHOST_TimerTaskHandle timertaskhandle,
GHOST_TimerProcPtr timerProc);
/**
* Returns the timer user data.
* \param timertaskhandle The handle to the timertask
* \return The timer user data.
*/
extern GHOST_TUserDataPtr GHOST_GetTimerTaskUserData(GHOST_TimerTaskHandle timertaskhandle);
/**
* Changes the time user data.
* \param timertaskhandle The handle to the timertask
* \param userdata The timer user data.
*/
extern void GHOST_SetTimerTaskUserData(GHOST_TimerTaskHandle timertaskhandle,
GHOST_TUserDataPtr userdata);
/**
* Returns indication as to whether the window is valid.
* \param windowhandle The handle to the window
* \return The validity of the window.
*/
extern int GHOST_GetValid(GHOST_WindowHandle windowhandle);
/**
* Returns the type of drawing context used in this window.
* \param windowhandle The handle to the window
* \return The current type of drawing context.
*/
extern GHOST_TDrawingContextType GHOST_GetDrawingContextType(GHOST_WindowHandle windowhandle);
/**
* Tries to install a rendering context in this window.
* \param windowhandle The handle to the window
* \param type The type of rendering context installed.
* \return Indication as to whether installation has succeeded.
*/
extern GHOST_TSuccess GHOST_SetDrawingContextType(GHOST_WindowHandle windowhandle,
GHOST_TDrawingContextType type);
/**
* Sets the title displayed in the title bar.
* \param windowhandle The handle to the window
* \param title The title to display in the title bar.
*/
extern void GHOST_SetTitle(GHOST_WindowHandle windowhandle,
const char *title);
/**
* Returns the title displayed in the title bar. The title
* should be free'd with free().
*
* \param windowhandle The handle to the window
* \return The title, free with free().
*/
extern char *GHOST_GetTitle(GHOST_WindowHandle windowhandle);
/**
* Returns the window rectangle dimensions.
* These are screen coordinates.
* \param windowhandle The handle to the window
* \return A handle to the bounding rectangle of the window.
*/
extern GHOST_RectangleHandle GHOST_GetWindowBounds(GHOST_WindowHandle windowhandle);
/**
* Returns the client rectangle dimensions.
* The left and top members of the rectangle are always zero.
* \param windowhandle The handle to the window
* \return A handle to the bounding rectangle of the window.
*/
extern GHOST_RectangleHandle GHOST_GetClientBounds(GHOST_WindowHandle windowhandle);
/**
* Disposes a rectangle object
* \param rectanglehandle Handle to the rectangle.
*/
void GHOST_DisposeRectangle(GHOST_RectangleHandle rectanglehandle);
/**
* Resizes client rectangle width.
* \param windowhandle The handle to the window
* \param width The new width of the client area of the window.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetClientWidth(GHOST_WindowHandle windowhandle,
GHOST_TUns32 width);
/**
* Resizes client rectangle height.
* \param windowhandle The handle to the window
* \param height The new height of the client area of the window.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetClientHeight(GHOST_WindowHandle windowhandle,
GHOST_TUns32 height);
/**
* Resizes client rectangle.
* \param windowhandle The handle to the window
* \param width The new width of the client area of the window.
* \param height The new height of the client area of the window.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetClientSize(GHOST_WindowHandle windowhandle,
GHOST_TUns32 width,
GHOST_TUns32 height);
/**
* Converts a point in screen coordinates to client rectangle coordinates
* \param windowhandle The handle to the window
* \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.
*/
extern void GHOST_ScreenToClient(GHOST_WindowHandle windowhandle,
GHOST_TInt32 inX,
GHOST_TInt32 inY,
GHOST_TInt32 *outX,
GHOST_TInt32 *outY);
/**
* Converts a point in screen coordinates to client rectangle coordinates
* \param windowhandle The handle to the window
* \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.
*/
extern void GHOST_ClientToScreen(GHOST_WindowHandle windowhandle,
GHOST_TInt32 inX,
GHOST_TInt32 inY,
GHOST_TInt32 *outX,
GHOST_TInt32 *outY);
/**
* Returns the state of the window (normal, minimized, maximized).
* \param windowhandle The handle to the window
* \return The state of the window.
*/
extern GHOST_TWindowState GHOST_GetWindowState(GHOST_WindowHandle windowhandle);
/**
* Sets the state of the window (normal, minimized, maximized).
* \param windowhandle The handle to the window
* \param state The state of the window.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetWindowState(GHOST_WindowHandle windowhandle,
GHOST_TWindowState state);
/**
* Sets the window "modified" status, indicating unsaved changes
* \param windowhandle The handle to the window
* \param isUnsavedChanges Unsaved changes or not
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetWindowModifiedState(GHOST_WindowHandle windowhandle,
GHOST_TUns8 isUnsavedChanges);
/**
* Sets the order of the window (bottom, top).
* \param windowhandle The handle to the window
* \param order The order of the window.
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_SetWindowOrder(GHOST_WindowHandle windowhandle,
GHOST_TWindowOrder order);
/**
* Swaps front and back buffers of a window.
* \param windowhandle The handle to the window
* \return An intean success indicator.
*/
extern GHOST_TSuccess GHOST_SwapWindowBuffers(GHOST_WindowHandle windowhandle);
/**
* Sets the swap interval for swapBuffers.
* \param interval The swap interval to use.
* \return A boolean success indicator.
*/
extern GHOST_TSuccess GHOST_SetSwapInterval(GHOST_WindowHandle windowhandle, int interval);
/**
* Gets the current swap interval for swapBuffers.
* \return An integer.
*/
extern int GHOST_GetSwapInterval(GHOST_WindowHandle windowhandle);
/**
* Activates the drawing context of this window.
* \param windowhandle The handle to the window
* \return An intean success indicator.
*/
extern GHOST_TSuccess GHOST_ActivateWindowDrawingContext(GHOST_WindowHandle windowhandle);
/**
* Invalidates the contents of this window.
* \param windowhandle The handle to the window
* \return Indication of success.
*/
extern GHOST_TSuccess GHOST_InvalidateWindow(GHOST_WindowHandle windowhandle);
/**
* Returns the status of the tablet
* \param windowhandle The handle to the window
* \return Status of tablet
*/
extern const GHOST_TabletData *GHOST_GetTabletData(GHOST_WindowHandle windowhandle);
/**
* Access to rectangle width.
* \param rectanglehandle The handle to the rectangle
* \return width of the rectangle
*/
extern GHOST_TInt32 GHOST_GetWidthRectangle(GHOST_RectangleHandle rectanglehandle);
/**
* Access to rectangle height.
* \param rectanglehandle The handle to the rectangle
* \return height of the rectangle
*/
extern GHOST_TInt32 GHOST_GetHeightRectangle(GHOST_RectangleHandle rectanglehandle);
/**
* Gets all members of the rectangle.
* \param rectanglehandle The handle to the rectangle
* \param l Pointer to return left coordinate in.
* \param t Pointer to return top coordinate in.
* \param r Pointer to return right coordinate in.
* \param b Pointer to return bottom coordinate in.
*/
extern void GHOST_GetRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 *l,
GHOST_TInt32 *t,
GHOST_TInt32 *r,
GHOST_TInt32 *b);
/**
* Sets all members of the rectangle.
* \param rectanglehandle The handle to the rectangle
* \param l requested left coordinate of the rectangle
* \param t requested top coordinate of the rectangle
* \param r requested right coordinate of the rectangle
* \param b requested bottom coordinate of the rectangle
*/
extern void GHOST_SetRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 l,
GHOST_TInt32 t,
GHOST_TInt32 r,
GHOST_TInt32 b);
/**
* Returns whether this rectangle is empty.
* Empty rectangles are rectangles that have width==0 and/or height==0.
* \param rectanglehandle The handle to the rectangle
* \return intean value (true == empty rectangle)
*/
extern GHOST_TSuccess GHOST_IsEmptyRectangle(GHOST_RectangleHandle rectanglehandle);
/**
* Returns whether this rectangle is valid.
* Valid rectangles are rectangles that have m_l <= m_r and m_t <= m_b. Thus, emapty rectangles are valid.
* \param rectanglehandle The handle to the rectangle
* \return intean value (true == valid rectangle)
*/
extern GHOST_TSuccess GHOST_IsValidRectangle(GHOST_RectangleHandle rectanglehandle);
/**
* Grows (or shrinks the rectangle).
* The method avoids negative insets making the rectangle invalid
* \param rectanglehandle The handle to the rectangle
* \param i The amount of offset given to each extreme (negative values shrink the rectangle).
*/
extern void GHOST_InsetRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 i);
/**
* Does a union of the rectangle given and this rectangle.
* The result is stored in this rectangle.
* \param rectanglehandle The handle to the rectangle
* \param anotherrectanglehandle The rectangle that is input for the union operation.
*/
extern void GHOST_UnionRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_RectangleHandle anotherrectanglehandle);
/**
* Grows the rectangle to included a point.
* \param rectanglehandle The handle to the rectangle
* \param x The x-coordinate of the point.
* \param y The y-coordinate of the point.
*/
extern void GHOST_UnionPointRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 x,
GHOST_TInt32 y);
/**
* Returns whether the point is inside this rectangle.
* Point on the boundary is considered inside.
* \param rectanglehandle The handle to the rectangle
* \param x x-coordinate of point to test.
* \param y y-coordinate of point to test.
* \return intean value (true if point is inside).
*/
extern GHOST_TSuccess GHOST_IsInsideRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 x,
GHOST_TInt32 y);
/**
* Returns whether the rectangle is inside this rectangle.
* \param rectanglehandle The handle to the rectangle
* \param anotherrectanglehandle The rectangle to test.
* \return visibility (not, partially or fully visible).
*/
extern GHOST_TVisibility GHOST_GetRectangleVisibility(GHOST_RectangleHandle rectanglehandle,
GHOST_RectangleHandle anotherrectanglehandle);
/**
* Sets rectangle members.
* Sets rectangle members such that it is centered at the given location.
* \param rectanglehandle The handle to the rectangle
* \param cx Requested center x-coordinate of the rectangle
* \param cy Requested center y-coordinate of the rectangle
*/
extern void GHOST_SetCenterRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 cx,
GHOST_TInt32 cy);
/**
* Sets rectangle members.
* Sets rectangle members such that it is centered at the given location,
* with the width requested.
* \param rectanglehandle The handle to the rectangle
* \param cx requested center x-coordinate of the rectangle
* \param cy requested center y-coordinate of the rectangle
* \param w requested width of the rectangle
* \param h requested height of the rectangle
*/
extern void GHOST_SetRectangleCenter(GHOST_RectangleHandle rectanglehandle,
GHOST_TInt32 cx,
GHOST_TInt32 cy,
GHOST_TInt32 w,
GHOST_TInt32 h);
/**
* Clips a rectangle.
* Updates the rectangle given such that it will fit within this one.
* This can result in an empty rectangle.
* \param rectanglehandle The handle to the rectangle
* \param anotherrectanglehandle The rectangle to clip
* \return Whether clipping has occurred
*/
extern GHOST_TSuccess GHOST_ClipRectangle(GHOST_RectangleHandle rectanglehandle,
GHOST_RectangleHandle anotherrectanglehandle);
/**
* Return the data from the clipboad
* \param selection Boolean to return the selection instead, X11 only feature.
* \return clipboard data
*/
extern GHOST_TUns8 *GHOST_getClipboard(int selection);
/**
* Put data to the Clipboard
* \param buffer the string buffer to set.
* \param selection Set the selection instead, X11 only feature.
*/
extern void GHOST_putClipboard(GHOST_TInt8 *buffer, int selection);
/**
* Toggles console
* \param action
* - 0: Hides
* - 1: Shows
* - 2: Toggles
* - 3: Hides if it runs not from command line
* - *: Does nothing
* \return current status (1 -visible, 0 - hidden)
*/
extern int GHOST_toggleConsole(int action);
/**
* Confirms quitting he program when there is just one window left open
* in the application
*/
extern int GHOST_confirmQuit(GHOST_WindowHandle windowhandle);
/**
* Use native pixel size (MacBook pro 'retina'), if supported.
*/
extern int GHOST_UseNativePixels(void);
/**
* If window was opened using native pixel size, it returns scaling factor.
*/
extern float GHOST_GetNativePixelSize(GHOST_WindowHandle windowhandle);
#ifdef __cplusplus
}
#endif
#endif