forked from bartvdbraak/blender
a87253942d
GHOST API only has a header definition. No implementation or usage.
1166 lines
44 KiB
C
1166 lines
44 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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* \brief GHOST C-API function and type declarations.
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*/
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#pragma once
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#include "GHOST_Types.h"
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Definition of a callback routine that receives events.
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* \param event: The event received.
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* \param userdata: The callback's user data, supplied to #GHOST_CreateSystem.
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*/
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typedef int (*GHOST_EventCallbackProcPtr)(GHOST_EventHandle event, GHOST_TUserDataPtr userdata);
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/**
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* Creates the one and only system.
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* \return a handle to the system.
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*/
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extern GHOST_SystemHandle GHOST_CreateSystem(void);
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/**
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* Specifies whether debug messages are to be enabled for the specific system handle.
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*/
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extern void GHOST_SystemInitDebug(GHOST_SystemHandle systemhandle, int is_debug_enabled);
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/**
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* Disposes the one and only system.
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* \param systemhandle: The handle to the system.
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* \return An indication of success.
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*/
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extern GHOST_TSuccess GHOST_DisposeSystem(GHOST_SystemHandle systemhandle);
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/**
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* Show a system message box to the user
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* \param systemhandle: The handle to the system.
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* \param title: Title of the message box.
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* \param message: Message of the message box.
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* \param help_label: Text to show on the help button that opens a link.
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* \param continue_label: Text to show on the ok button that continues.
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* \param link: Optional (hyper)link to a webpage to show when pressing help.
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* \param dialog_options: Options to configure the message box.
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*/
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extern void GHOST_ShowMessageBox(GHOST_SystemHandle systemhandle,
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const char *title,
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const char *message,
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const char *help_label,
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const char *continue_label,
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const char *link,
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GHOST_DialogOptions dialog_options);
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/**
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* Creates an event consumer object
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* \param eventCallback: The event callback routine.
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* \param userdata: Pointer to user data returned to the callback routine.
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*/
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extern GHOST_EventConsumerHandle GHOST_CreateEventConsumer(
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GHOST_EventCallbackProcPtr eventCallback, GHOST_TUserDataPtr userdata);
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/**
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* Disposes an event consumer object
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* \param consumerhandle: Handle to the event consumer.
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* \return An indication of success.
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*/
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extern GHOST_TSuccess GHOST_DisposeEventConsumer(GHOST_EventConsumerHandle consumerhandle);
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/**
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* Returns the system time.
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* Returns the number of milliseconds since the start of the system process.
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* Based on ANSI clock() routine.
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* \param systemhandle: The handle to the system.
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* \return The number of milliseconds.
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*/
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extern uint64_t GHOST_GetMilliSeconds(GHOST_SystemHandle systemhandle);
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/**
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* Installs a timer.
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* Note that, on most operating systems, messages need to be processed in order
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* for the timer callbacks to be invoked.
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* \param systemhandle: The handle to the system.
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* \param delay: The time to wait for the first call to the timerProc (in milliseconds).
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* \param interval: The interval between calls to the timerProc (in milliseconds).
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* \param timerProc: The callback invoked when the interval expires.
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* \param userData: Placeholder for user data.
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* \return A timer task (0 if timer task installation failed).
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*/
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extern GHOST_TimerTaskHandle GHOST_InstallTimer(GHOST_SystemHandle systemhandle,
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uint64_t delay,
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uint64_t interval,
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GHOST_TimerProcPtr timerProc,
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GHOST_TUserDataPtr userData);
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/**
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* Removes a timer.
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* \param systemhandle: The handle to the system.
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* \param timertaskhandle: Timer task to be removed.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_RemoveTimer(GHOST_SystemHandle systemhandle,
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GHOST_TimerTaskHandle timertaskhandle);
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/***************************************************************************************
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* Display/window management functionality
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***************************************************************************************/
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/**
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* Returns the number of displays on this system.
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* \param systemhandle: The handle to the system.
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* \return The number of displays.
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*/
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extern uint8_t GHOST_GetNumDisplays(GHOST_SystemHandle systemhandle);
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/**
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* Returns the dimensions of the main display on this system.
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* \param systemhandle: The handle to the system.
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* \param width: A pointer the width gets put in.
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* \param height: A pointer the height gets put in.
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*/
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extern void GHOST_GetMainDisplayDimensions(GHOST_SystemHandle systemhandle,
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uint32_t *width,
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uint32_t *height);
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/**
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* Returns the dimensions of all displays combine
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* (the current workspace).
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* No need to worry about overlapping monitors.
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* \param systemhandle: The handle to the system.
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* \param width: A pointer the width gets put in.
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* \param height: A pointer the height gets put in.
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*/
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extern void GHOST_GetAllDisplayDimensions(GHOST_SystemHandle systemhandle,
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uint32_t *width,
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uint32_t *height);
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/**
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* Create a new window.
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* The new window is added to the list of windows managed.
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* Never explicitly delete the window, use disposeWindow() instead.
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* \param systemhandle: The handle to the system.
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* \param parentWindow: Handle of parent (or owner) window, or NULL
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* \param title: The name of the window.
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* (displayed in the title bar of the window if the OS supports it).
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* \param left: The coordinate of the left edge of the window.
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* \param top: The coordinate of the top edge of the window.
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* \param width: The width the window.
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* \param height: The height the window.
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* \param state: The state of the window when opened.
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* \param is_dialog: Stay on top of parent window, no icon in taskbar, can't be minimized.
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* \param type: The type of drawing context installed in this window.
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* \param glSettings: Misc OpenGL options.
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* \return A handle to the new window ( == NULL if creation failed).
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*/
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extern GHOST_WindowHandle GHOST_CreateWindow(GHOST_SystemHandle systemhandle,
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GHOST_WindowHandle parent_windowhandle,
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const char *title,
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int32_t left,
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int32_t top,
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uint32_t width,
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uint32_t height,
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GHOST_TWindowState state,
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bool is_dialog,
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GHOST_TDrawingContextType type,
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GHOST_GLSettings glSettings);
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/**
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* Create a new off-screen context.
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* Never explicitly delete the context, use #disposeContext() instead.
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* \param systemhandle: The handle to the system.
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* \param platform_support_callback: An optional callback to check platform support.
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* \return A handle to the new context ( == NULL if creation failed).
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*/
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extern GHOST_ContextHandle GHOST_CreateOpenGLContext(GHOST_SystemHandle systemhandle,
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GHOST_GLSettings glSettings);
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/**
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* Dispose of a context.
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* \param systemhandle: The handle to the system.
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* \param contexthandle: Handle to the context to be disposed.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_DisposeOpenGLContext(GHOST_SystemHandle systemhandle,
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GHOST_ContextHandle contexthandle);
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/**
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* Returns the window user data.
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* \param windowhandle: The handle to the window.
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* \return The window user data.
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*/
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extern GHOST_TUserDataPtr GHOST_GetWindowUserData(GHOST_WindowHandle windowhandle);
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/**
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* Changes the window user data.
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* \param windowhandle: The handle to the window.
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* \param userdata: The window user data.
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*/
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extern void GHOST_SetWindowUserData(GHOST_WindowHandle windowhandle, GHOST_TUserDataPtr userdata);
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extern int GHOST_IsDialogWindow(GHOST_WindowHandle windowhandle);
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/**
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* Dispose a window.
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* \param systemhandle: The handle to the system.
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* \param windowhandle: Handle to the window to be disposed.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_DisposeWindow(GHOST_SystemHandle systemhandle,
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GHOST_WindowHandle windowhandle);
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/**
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* Returns whether a window is valid.
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* \param systemhandle: The handle to the system.
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* \param windowhandle: Handle to the window to be checked.
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* \return Indication of validity.
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*/
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extern int GHOST_ValidWindow(GHOST_SystemHandle systemhandle, GHOST_WindowHandle windowhandle);
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/**
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* Begins full screen mode.
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* \param systemhandle: The handle to the system.
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* \param setting: The new setting of the display.
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* \param stereoVisual: Option for stereo display.
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* \return A handle to the window displayed in full screen.
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* This window is invalid after full screen has been ended.
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*/
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extern GHOST_WindowHandle GHOST_BeginFullScreen(GHOST_SystemHandle systemhandle,
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GHOST_DisplaySetting *setting,
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const int stereoVisual);
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/**
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* Ends full screen mode.
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* \param systemhandle: The handle to the system.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_EndFullScreen(GHOST_SystemHandle systemhandle);
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/**
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* Returns current full screen mode status.
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* \param systemhandle: The handle to the system.
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* \return The current status.
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*/
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extern int GHOST_GetFullScreen(GHOST_SystemHandle systemhandle);
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/***************************************************************************************
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* Event management functionality
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***************************************************************************************/
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/**
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* Retrieves events from the system and stores them in the queue.
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* \param systemhandle: The handle to the system.
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* \param waitForEvent: Boolean to indicate that #ProcessEvents should.
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* wait (block) until the next event before returning.
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* \return Indication of the presence of events.
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*/
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extern bool GHOST_ProcessEvents(GHOST_SystemHandle systemhandle, bool waitForEvent);
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/**
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* Retrieves events from the queue and send them to the event consumers.
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* \param systemhandle: The handle to the system.
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*/
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extern void GHOST_DispatchEvents(GHOST_SystemHandle systemhandle);
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/**
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* Adds the given event consumer to our list.
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* \param systemhandle: The handle to the system.
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* \param consumerhandle: The event consumer to add.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_AddEventConsumer(GHOST_SystemHandle systemhandle,
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GHOST_EventConsumerHandle consumerhandle);
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/**
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* Remove the given event consumer to our list.
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* \param systemhandle: The handle to the system.
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* \param consumerhandle: The event consumer to remove.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_RemoveEventConsumer(GHOST_SystemHandle systemhandle,
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GHOST_EventConsumerHandle consumerhandle);
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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 windowhandle: The handle to the window.
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* \param progress: The progress percentage (0.0 to 1.0).
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*/
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extern GHOST_TSuccess GHOST_SetProgressBar(GHOST_WindowHandle windowhandle, float progress);
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/**
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* Hides the progress bar in the icon
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* \param windowhandle: The handle to the window.
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*/
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extern GHOST_TSuccess GHOST_EndProgressBar(GHOST_WindowHandle windowhandle);
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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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* \param windowhandle: The handle to the window.
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* \return The current cursor shape.
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*/
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extern GHOST_TStandardCursor GHOST_GetCursorShape(GHOST_WindowHandle windowhandle);
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/**
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* Set the shape of the cursor. If the shape is not supported by the platform,
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* it will use the default cursor instead.
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* \param windowhandle: The handle to the window.
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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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extern GHOST_TSuccess GHOST_SetCursorShape(GHOST_WindowHandle windowhandle,
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GHOST_TStandardCursor cursorshape);
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/**
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* Test if the standard cursor shape is supported by current platform.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_HasCursorShape(GHOST_WindowHandle windowhandle,
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GHOST_TStandardCursor cursorshape);
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/**
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* Set the shape of the cursor to a custom cursor of specified size.
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* \param windowhandle: The handle to the window.
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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 sizex: The width of the cursor.
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* \param sizey: The height of 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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* \param canInvertColor: Let macOS invert cursor color to match platform convention.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_SetCustomCursorShape(GHOST_WindowHandle windowhandle,
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uint8_t *bitmap,
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uint8_t *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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* \param windowhandle: The handle to the window.
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* \return The visibility state of the cursor.
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*/
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extern int GHOST_GetCursorVisibility(GHOST_WindowHandle windowhandle);
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/**
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* Shows or hides the cursor.
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* \param windowhandle: The handle to the window.
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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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extern GHOST_TSuccess GHOST_SetCursorVisibility(GHOST_WindowHandle windowhandle, int visible);
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/**
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* Returns the current location of the cursor (location in screen coordinates)
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* \param systemhandle: The handle to the system.
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* \param x: The x-coordinate of the cursor.
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* \param y: The y-coordinate of the cursor.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_GetCursorPosition(GHOST_SystemHandle systemhandle,
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int32_t *x,
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int32_t *y);
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/**
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* Updates the location of the cursor (location in screen coordinates).
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* Not all operating systems allow the cursor to be moved (without the input device being moved).
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* \param systemhandle: The handle to the system.
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* \param x: The x-coordinate of the cursor.
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* \param y: The y-coordinate of the cursor.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_SetCursorPosition(GHOST_SystemHandle systemhandle,
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int32_t x,
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int32_t y);
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/**
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* Grabs the cursor for a modal operation, to keep receiving
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* events when the mouse is outside the window. X11 only, others
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* do this automatically.
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* \param windowhandle: The handle to the window.
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* \param mode: The new grab state of the cursor.
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* \param bounds: The grab region (optional) - left,top,right,bottom.
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* \param mouse_ungrab_xy: XY for new mouse location (optional).
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_SetCursorGrab(GHOST_WindowHandle windowhandle,
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GHOST_TGrabCursorMode mode,
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GHOST_TAxisFlag warp_axis,
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int bounds[4],
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const int mouse_ungrab_xy[2]);
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/***************************************************************************************
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* Access to mouse button and keyboard states.
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***************************************************************************************/
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/**
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* Returns the state of a modifier key (outside the message queue).
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* \param systemhandle: The handle to the system.
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* \param mask: The modifier key state to retrieve.
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* \param isDown: Pointer to return modifier state in.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_GetModifierKeyState(GHOST_SystemHandle systemhandle,
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GHOST_TModifierKeyMask mask,
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int *isDown);
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/**
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* Returns the state of a mouse button (outside the message queue).
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* \param systemhandle: The handle to the system.
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* \param mask: The button state to retrieve.
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* \param isDown: Pointer to return button state in.
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* \return Indication of success.
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*/
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extern GHOST_TSuccess GHOST_GetButtonState(GHOST_SystemHandle systemhandle,
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GHOST_TButtonMask mask,
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int *isDown);
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#ifdef WITH_INPUT_NDOF
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/***************************************************************************************
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* Access to 3D mouse.
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***************************************************************************************/
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/**
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* Sets 3D mouse dead-zone.
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* \param deadzone: Dead-zone of the 3D mouse (both for rotation and pan) relative to full range.
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*/
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extern void GHOST_setNDOFDeadZone(float deadzone);
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#endif
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/***************************************************************************************
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* Drag'n'drop operations
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***************************************************************************************/
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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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extern void GHOST_setAcceptDragOperation(GHOST_WindowHandle windowhandle, bool canAccept);
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/**
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* Returns the event type.
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* \param eventhandle: The handle to the event.
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* \return The event type.
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*/
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extern GHOST_TEventType GHOST_GetEventType(GHOST_EventHandle eventhandle);
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/**
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* Returns the time this event was generated.
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* \param eventhandle: The handle to the event.
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* \return The event generation time.
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*/
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extern uint64_t GHOST_GetEventTime(GHOST_EventHandle eventhandle);
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/**
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* Returns the window this event was generated on,
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* or NULL if it is a 'system' event.
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* \param eventhandle: The handle to the event.
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* \return The generating window.
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*/
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extern GHOST_WindowHandle GHOST_GetEventWindow(GHOST_EventHandle eventhandle);
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/**
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* Returns the event data.
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* \param eventhandle: The handle to the event.
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* \return The event data.
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*/
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extern GHOST_TEventDataPtr GHOST_GetEventData(GHOST_EventHandle eventhandle);
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/**
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* Returns the timer callback.
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* \param timertaskhandle: The handle to the timer-task.
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* \return The timer callback.
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*/
|
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extern GHOST_TimerProcPtr GHOST_GetTimerProc(GHOST_TimerTaskHandle timertaskhandle);
|
|
|
|
/**
|
|
* Changes the timer callback.
|
|
* \param timertaskhandle: The handle to the timer-task.
|
|
* \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 timer-task.
|
|
* \return The timer user data.
|
|
*/
|
|
extern GHOST_TUserDataPtr GHOST_GetTimerTaskUserData(GHOST_TimerTaskHandle timertaskhandle);
|
|
|
|
/**
|
|
* Changes the time user data.
|
|
* \param timertaskhandle: The handle to the timer-task.
|
|
* \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, uint32_t 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, uint32_t 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,
|
|
uint32_t width,
|
|
uint32_t 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, int32_t inX, int32_t inY, int32_t *outX, int32_t *outY);
|
|
|
|
/**
|
|
* Converts a point in client rectangle coordinates to screen 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, int32_t inX, int32_t inY, int32_t *outX, int32_t *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,
|
|
bool 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 A 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.
|
|
* \param windowhandle: The handle to the window
|
|
* \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.
|
|
*/
|
|
extern GHOST_TSuccess GHOST_GetSwapInterval(GHOST_WindowHandle windowhandle, int *intervalOut);
|
|
|
|
/**
|
|
* Activates the drawing context of this window.
|
|
* \param windowhandle: The handle to the window.
|
|
* \return A 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);
|
|
|
|
/**
|
|
* Activates the drawing context of this context.
|
|
* \param contexthandle: The handle to the context.
|
|
* \return A success indicator.
|
|
*/
|
|
extern GHOST_TSuccess GHOST_ActivateOpenGLContext(GHOST_ContextHandle contexthandle);
|
|
|
|
/**
|
|
* Release the drawing context bound to this thread.
|
|
* \param contexthandle: The handle to the context.
|
|
* \return A success indicator.
|
|
*/
|
|
extern GHOST_TSuccess GHOST_ReleaseOpenGLContext(GHOST_ContextHandle contexthandle);
|
|
|
|
/**
|
|
* Get the OpenGL frame-buffer handle that serves as a default frame-buffer.
|
|
*/
|
|
extern unsigned int GHOST_GetContextDefaultOpenGLFramebuffer(GHOST_ContextHandle contexthandle);
|
|
|
|
/**
|
|
* Get the OpenGL frame-buffer handle that serves as a default frame-buffer.
|
|
*/
|
|
extern unsigned int GHOST_GetDefaultOpenGLFramebuffer(GHOST_WindowHandle windwHandle);
|
|
|
|
/**
|
|
* Set which tablet API to use. Only affects Windows, other platforms have a single API.
|
|
* \param systemhandle: The handle to the system.
|
|
* \param api: Enum indicating which API to use.
|
|
*/
|
|
extern void GHOST_SetTabletAPI(GHOST_SystemHandle systemhandle, GHOST_TTabletAPI api);
|
|
|
|
/**
|
|
* Access to rectangle width.
|
|
* \param rectanglehandle: The handle to the rectangle.
|
|
* \return width of the rectangle
|
|
*/
|
|
extern int32_t GHOST_GetWidthRectangle(GHOST_RectangleHandle rectanglehandle);
|
|
|
|
/**
|
|
* Access to rectangle height.
|
|
* \param rectanglehandle: The handle to the rectangle.
|
|
* \return height of the rectangle
|
|
*/
|
|
extern int32_t 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, int32_t *l, int32_t *t, int32_t *r, int32_t *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, int32_t l, int32_t t, int32_t r, int32_t 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 Success 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, empty rectangles are valid.
|
|
* \param rectanglehandle: The handle to the rectangle.
|
|
* \return Success 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, int32_t 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, int32_t x, int32_t 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 Success value (true if point is inside).
|
|
*/
|
|
extern GHOST_TSuccess GHOST_IsInsideRectangle(GHOST_RectangleHandle rectanglehandle,
|
|
int32_t x,
|
|
int32_t 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,
|
|
int32_t cx,
|
|
int32_t 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, int32_t cx, int32_t cy, int32_t w, int32_t 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 clipboard
|
|
* \param selection: Boolean to return the selection instead, X11 only feature.
|
|
* \return clipboard data
|
|
*/
|
|
extern char *GHOST_getClipboard(bool 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(const char *buffer, bool 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);
|
|
|
|
/**
|
|
* Use native pixel size (MacBook pro 'retina'), if supported.
|
|
*/
|
|
extern int GHOST_UseNativePixels(void);
|
|
|
|
/**
|
|
* Focus window after opening, or put them in the background.
|
|
*/
|
|
extern void GHOST_UseWindowFocus(int use_focus);
|
|
|
|
/**
|
|
* If window was opened using native pixel size, it returns scaling factor.
|
|
*/
|
|
extern float GHOST_GetNativePixelSize(GHOST_WindowHandle windowhandle);
|
|
|
|
/**
|
|
* Returns the suggested DPI for this window.
|
|
*/
|
|
extern uint16_t GHOST_GetDPIHint(GHOST_WindowHandle windowhandle);
|
|
|
|
/**
|
|
* Enable IME attached to the given window, i.e. allows user-input
|
|
* events to be dispatched to the IME.
|
|
* \param windowhandle: Window handle of the caller.
|
|
* \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.
|
|
*/
|
|
extern void GHOST_BeginIME(
|
|
GHOST_WindowHandle windowhandle, int32_t x, int32_t y, int32_t w, int32_t h, bool complete);
|
|
/**
|
|
* Disable the IME attached to the given window, i.e. prohibits any user-input
|
|
* events from being dispatched to the IME.
|
|
* \param windowhandle: The window handle of the caller.
|
|
*/
|
|
extern void GHOST_EndIME(GHOST_WindowHandle windowhandle);
|
|
|
|
#ifdef WITH_XR_OPENXR
|
|
|
|
/* XR-context */
|
|
|
|
/**
|
|
* Set a custom callback to be executed whenever an error occurs. Should be set before calling
|
|
* #GHOST_XrContextCreate() to get error handling during context creation too.
|
|
*
|
|
* \param customdata: Handle to some data that will get passed to \a handler_fn should an error be
|
|
* thrown.
|
|
*/
|
|
void GHOST_XrErrorHandler(GHOST_XrErrorHandlerFn handler_fn, void *customdata);
|
|
|
|
/**
|
|
* \brief Initialize the Ghost XR-context.
|
|
*
|
|
* Includes setting up the OpenXR runtime link, querying available extensions and API layers,
|
|
* enabling extensions and API layers.
|
|
*
|
|
* \param create_info: Options for creating the XR-context, e.g. debug-flags and ordered array of
|
|
* graphics bindings to try enabling.
|
|
*/
|
|
GHOST_XrContextHandle GHOST_XrContextCreate(const GHOST_XrContextCreateInfo *create_info);
|
|
/**
|
|
* Free a XR-context involving OpenXR runtime link destruction and freeing of all internal data.
|
|
*/
|
|
void GHOST_XrContextDestroy(GHOST_XrContextHandle xr_context);
|
|
|
|
/**
|
|
* Set callbacks for binding and unbinding a graphics context for a session. The binding callback
|
|
* may create a new graphics context thereby. In fact that's the sole reason for this callback
|
|
* approach to binding. Just make sure to have an unbind function set that properly destructs.
|
|
*
|
|
* \param bind_fn: Function to retrieve (possibly create) a graphics context.
|
|
* \param unbind_fn: Function to release (possibly free) a graphics context.
|
|
*/
|
|
void GHOST_XrGraphicsContextBindFuncs(GHOST_XrContextHandle xr_context,
|
|
GHOST_XrGraphicsContextBindFn bind_fn,
|
|
GHOST_XrGraphicsContextUnbindFn unbind_fn);
|
|
|
|
/**
|
|
* Set the drawing callback for views. A view would typically be either the left or the right eye,
|
|
* although other configurations are possible. When #GHOST_XrSessionDrawViews() is called to draw
|
|
* an XR frame, \a draw_view_fn is executed for each view.
|
|
*
|
|
* \param draw_view_fn: The callback to draw a single view for an XR frame.
|
|
*/
|
|
void GHOST_XrDrawViewFunc(GHOST_XrContextHandle xr_context, GHOST_XrDrawViewFn draw_view_fn);
|
|
|
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/* sessions */
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/**
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* Create internal session data for \a xr_context and ask the OpenXR runtime to invoke a session.
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*
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* \param begin_info: Options for the session creation.
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*/
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void GHOST_XrSessionStart(GHOST_XrContextHandle xr_context,
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const GHOST_XrSessionBeginInfo *begin_info);
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/**
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* Destruct internal session data for \a xr_context and ask the OpenXR runtime to stop a session.
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*/
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void GHOST_XrSessionEnd(GHOST_XrContextHandle xr_context);
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/**
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* Draw a single frame by calling the view drawing callback defined by #GHOST_XrDrawViewFunc() for
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* each view and submit it to the OpenXR runtime.
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*
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* \param customdata: Handle to some data that will get passed to the view drawing callback.
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*/
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void GHOST_XrSessionDrawViews(GHOST_XrContextHandle xr_context, void *customdata);
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/**
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* Check if a \a xr_context has a session that, according to the OpenXR definition would be
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* considered to be 'running'
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* (https://www.khronos.org/registry/OpenXR/specs/1.0/html/xrspec.html#session_running).
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*/
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int GHOST_XrSessionIsRunning(const GHOST_XrContextHandle xr_context);
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/**
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* Check if \a xr_context has a session that requires an upside-down frame-buffer (compared to
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* OpenGL). If true, the render result should be flipped vertically for correct output.
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* \note Only to be called after session start, may otherwise result in a false negative.
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*/
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int GHOST_XrSessionNeedsUpsideDownDrawing(const GHOST_XrContextHandle xr_context);
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/* events */
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/**
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* Invoke handling of all OpenXR events for \a xr_context. Should be called on every main-loop
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* iteration and will early-exit if \a xr_context is NULL (so caller doesn't have to check).
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*
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* \returns GHOST_kSuccess if any event was handled, otherwise GHOST_kFailure.
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*/
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GHOST_TSuccess GHOST_XrEventsHandle(GHOST_XrContextHandle xr_context);
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/* actions */
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/**
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* Create an OpenXR action set for input/output.
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*/
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int GHOST_XrCreateActionSet(GHOST_XrContextHandle xr_context, const GHOST_XrActionSetInfo *info);
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/**
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* Destroy a previously created OpenXR action set.
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*/
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void GHOST_XrDestroyActionSet(GHOST_XrContextHandle xr_context, const char *action_set_name);
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/**
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* Create OpenXR input/output actions.
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*/
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int GHOST_XrCreateActions(GHOST_XrContextHandle xr_context,
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const char *action_set_name,
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uint32_t count,
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const GHOST_XrActionInfo *infos);
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/**
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* Destroy previously created OpenXR actions.
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*/
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void GHOST_XrDestroyActions(GHOST_XrContextHandle xr_context,
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const char *action_set_name,
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uint32_t count,
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const char *const *action_names);
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/**
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* Create input/output path bindings for OpenXR actions.
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*/
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int GHOST_XrCreateActionBindings(GHOST_XrContextHandle xr_context,
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const char *action_set_name,
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uint32_t count,
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const GHOST_XrActionProfileInfo *infos);
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/**
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* Destroy previously created bindings for OpenXR actions.
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*/
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void GHOST_XrDestroyActionBindings(GHOST_XrContextHandle xr_context,
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const char *action_set_name,
|
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uint32_t count,
|
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const char *const *action_names,
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const char *const *profile_paths);
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|
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/**
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* Attach all created action sets to the current OpenXR session.
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*/
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int GHOST_XrAttachActionSets(GHOST_XrContextHandle xr_context);
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|
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/**
|
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* Update button/tracking states for OpenXR actions.
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*
|
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* \param action_set_name: The name of the action set to sync. If NULL, all action sets
|
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* attached to the session will be synced.
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*/
|
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int GHOST_XrSyncActions(GHOST_XrContextHandle xr_context, const char *action_set_name);
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|
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/**
|
|
* Apply an OpenXR haptic output action.
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|
*/
|
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int GHOST_XrApplyHapticAction(GHOST_XrContextHandle xr_context,
|
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const char *action_set_name,
|
|
const char *action_name,
|
|
const char *subaction_path,
|
|
const int64_t *duration,
|
|
const float *frequency,
|
|
const float *amplitude);
|
|
|
|
/**
|
|
* Stop a previously applied OpenXR haptic output action.
|
|
*/
|
|
void GHOST_XrStopHapticAction(GHOST_XrContextHandle xr_context,
|
|
const char *action_set_name,
|
|
const char *action_name,
|
|
const char *subaction_path);
|
|
|
|
/**
|
|
* Get action set custom data (owned by Blender, not GHOST).
|
|
*/
|
|
void *GHOST_XrGetActionSetCustomdata(GHOST_XrContextHandle xr_context,
|
|
const char *action_set_name);
|
|
|
|
/**
|
|
* Get action custom data (owned by Blender, not GHOST).
|
|
*/
|
|
void *GHOST_XrGetActionCustomdata(GHOST_XrContextHandle xr_context,
|
|
const char *action_set_name,
|
|
const char *action_name);
|
|
|
|
/**
|
|
* Get the number of actions in an action set.
|
|
*/
|
|
unsigned int GHOST_XrGetActionCount(GHOST_XrContextHandle xr_context, const char *action_set_name);
|
|
|
|
/**
|
|
* Get custom data for all actions in an action set.
|
|
*/
|
|
void GHOST_XrGetActionCustomdataArray(GHOST_XrContextHandle xr_context,
|
|
const char *action_set_name,
|
|
void **r_customdata_array);
|
|
|
|
/* controller model */
|
|
/**
|
|
* Load the OpenXR controller model.
|
|
*/
|
|
int GHOST_XrLoadControllerModel(GHOST_XrContextHandle xr_context, const char *subaction_path);
|
|
|
|
/**
|
|
* Unload the OpenXR controller model.
|
|
*/
|
|
void GHOST_XrUnloadControllerModel(GHOST_XrContextHandle xr_context, const char *subaction_path);
|
|
|
|
/**
|
|
* Update component transforms for the OpenXR controller model.
|
|
*/
|
|
int GHOST_XrUpdateControllerModelComponents(GHOST_XrContextHandle xr_context,
|
|
const char *subaction_path);
|
|
|
|
/**
|
|
* Get vertex data for the OpenXR controller model.
|
|
*/
|
|
int GHOST_XrGetControllerModelData(GHOST_XrContextHandle xr_context,
|
|
const char *subaction_path,
|
|
GHOST_XrControllerModelData *r_data);
|
|
|
|
#endif /* WITH_XR_OPENXR */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
|
|
#endif
|