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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup GHOST
* Declaration of GHOST_SystemCocoa class.
*/
#pragma once
#ifndef __APPLE__
# error Apple OSX only!
#endif // __APPLE__
//#define __CARBONSOUND__
#include "GHOST_System.h"
class GHOST_EventCursor;
class GHOST_EventKey;
class GHOST_EventWindow;
class GHOST_WindowCocoa;
class GHOST_SystemCocoa : public GHOST_System {
public:
/**
* Constructor.
*/
GHOST_SystemCocoa();
/**
* Destructor.
*/
~GHOST_SystemCocoa();
/***************************************************************************************
* Time(r) functionality
***************************************************************************************/
/**
* Returns the system time.
* Returns the number of milliseconds since the start of the system process.
* Based on ANSI clock() routine.
* \return The number of milliseconds.
*/
uint64_t getMilliSeconds() const;
/***************************************************************************************
* Display/window management functionality
***************************************************************************************/
/**
* Returns the number of displays on this system.
* \return The number of displays.
*/
uint8_t getNumDisplays() const;
/**
* Returns the dimensions of the main display on this system.
* \return The dimension of the main display.
*/
void getMainDisplayDimensions(uint32_t &width, uint32_t &height) const;
/** Returns the combine dimensions of all monitors.
* \return The dimension of the workspace.
*/
void getAllDisplayDimensions(uint32_t &width, uint32_t &height) const;
/**
* Create a new window.
* The new window is added to the list of windows managed.
* Never explicitly delete the window, use #disposeWindow() instead.
* \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 glSettings: Misc OpenGL settings.
* \param exclusive: Use to show the window ontop and ignore others (used fullscreen).
* \param parentWindow: Parent (embedder) window.
* \return The new window (or 0 if creation failed).
*/
GHOST_IWindow *createWindow(const char *title,
int32_t left,
int32_t top,
uint32_t width,
uint32_t height,
GHOST_TWindowState state,
GHOST_TDrawingContextType type,
GHOST_GLSettings glSettings,
const bool exclusive = false,
const bool is_dialog = false,
const GHOST_IWindow *parentWindow = NULL);
/**
* Create a new off-screen context.
* Never explicitly delete the context, use #disposeContext() instead.
* \return The new context (or 0 if creation failed).
*/
GHOST_IContext *createOffscreenContext(GHOST_GLSettings glSettings);
/**
* Dispose of a context.
* \param context: Pointer to the context to be disposed.
* \return Indication of success.
*/
GHOST_TSuccess disposeContext(GHOST_IContext *context);
/***************************************************************************************
* Event management functionality
***************************************************************************************/
/**
* Gets events from the system and stores them in the queue.
* \param waitForEvent: Flag to wait for an event (or return immediately).
* \return Indication of the presence of events.
*/
bool processEvents(bool waitForEvent);
/**
* Handle User request to quit, from Menu bar Quit, and Command+Q
* Display alert panel if changes performed since last save
*/
void handleQuitRequest();
/**
* Handle Cocoa openFile event
* Display confirmation request panel if changes performed since last save
*/
bool handleOpenDocumentRequest(void *filepathStr);
/**
* Handles a drag'n'drop destination event. Called by GHOST_WindowCocoa window subclass
* \param eventType: The type of drag'n'drop event.
* \param draggedObjectType: The type object concerned.
* (currently array of file names, string, TIFF image).
* \param mouseX: x mouse coordinate (in cocoa base window coordinates).
* \param mouseY: y mouse coordinate.
* \param window: The window on which the event occurred.
* \return Indication whether the event was handled.
*/
GHOST_TSuccess handleDraggingEvent(GHOST_TEventType eventType,
GHOST_TDragnDropTypes draggedObjectType,
GHOST_WindowCocoa *window,
int mouseX,
int mouseY,
void *data);
/***************************************************************************************
* Cursor management functionality
***************************************************************************************/
/**
* Returns the current location of the cursor (location in screen coordinates)
* \param x: The x-coordinate of the cursor.
* \param y: The y-coordinate of the cursor.
* \return Indication of success.
*/
GHOST_TSuccess getCursorPosition(int32_t &x, int32_t &y) const;
/**
* Updates the location of the cursor (location in screen coordinates).
* \param x: The x-coordinate of the cursor.
* \param y: The y-coordinate of the cursor.
* \return Indication of success.
*/
GHOST_TSuccess setCursorPosition(int32_t x, int32_t y);
/***************************************************************************************
* Access to mouse button and keyboard states.
***************************************************************************************/
/**
* Returns the state of all modifier keys.
* \param keys: The state of all modifier keys (true == pressed).
* \return Indication of success.
*/
GHOST_TSuccess getModifierKeys(GHOST_ModifierKeys &keys) const;
/**
* Returns the state of the mouse buttons (outside the message queue).
* \param buttons: The state of the buttons.
* \return Indication of success.
*/
GHOST_TSuccess getButtons(GHOST_Buttons &buttons) const;
/**
* Returns Clipboard data
* \param selection: Indicate which buffer to return.
* \return Returns the selected buffer
*/
char *getClipboard(bool selection) const;
/**
* Puts buffer to system clipboard
* \param buffer: The buffer to be copied.
* \param selection: Indicates which buffer to copy too, only used on X11.
*/
void putClipboard(const char *buffer, bool selection) const;
/**
* Handles a window event. Called by GHOST_WindowCocoa window delegate
* \param eventType: The type of window event.
* \param window: The window on which the event occurred.
* \return Indication whether the event was handled.
*/
GHOST_TSuccess handleWindowEvent(GHOST_TEventType eventType, GHOST_WindowCocoa *window);
/**
* Handles the Cocoa event telling the application has become active (again)
* \return Indication whether the event was handled.
*/
GHOST_TSuccess handleApplicationBecomeActiveEvent();
/**
* \return True if any dialog window is open.
*/
bool hasDialogWindow();
/**
* External objects should call this when they send an event outside processEvents.
*/
void notifyExternalEventProcessed();
/**
* \see GHOST_ISystem
*/
int setConsoleWindowState(GHOST_TConsoleWindowState action)
{
return 0;
}
/**
* Handles a tablet event.
* \param eventPtr: An #NSEvent pointer (cast to void* to enable compilation in standard C++).
* \param eventType: The type of the event.
* It needs to be passed separately as it can be either directly in the event type,
* or as a sub-type if combined with a mouse button event.
* \return Indication whether the event was handled.
*/
GHOST_TSuccess handleTabletEvent(void *eventPtr, short eventType);
bool handleTabletEvent(void *eventPtr);
/**
* Handles a mouse event.
* \param eventPtr: An #NSEvent pointer (cast to `void *` to enable compilation in standard C++).
* \return Indication whether the event was handled.
*/
GHOST_TSuccess handleMouseEvent(void *eventPtr);
/**
* Handles a key event.
* \param eventPtr: An #NSEvent pointer (cast to `void *` to enable compilation in standard C++).
* \return Indication whether the event was handled.
*/
GHOST_TSuccess handleKeyEvent(void *eventPtr);
protected:
/**
* Initializes the system.
* For now, it just registers the window class (WNDCLASS).
* \return A success value.
*/
GHOST_TSuccess init();
/**
* Performs the actual cursor position update (location in screen coordinates).
* \param x: The x-coordinate of the cursor.
* \param y: The y-coordinate of the cursor.
* \return Indication of success.
*/
GHOST_TSuccess setMouseCursorPosition(int32_t x, int32_t y);
/** Start time at initialization. */
uint64_t m_start_time;
/** Event has been processed directly by Cocoa (or NDOF manager)
* and has sent a ghost event to be dispatched */
bool m_outsideLoopEventProcessed;
/** Raised window is not yet known by the window manager,
* so delay application become active event handling */
bool m_needDelayedApplicationBecomeActiveEventProcessing;
/** State of the modifiers. */
uint32_t m_modifierMask;
/** Ignores window size messages (when window is dragged). */
bool m_ignoreWindowSizedMessages;
/** Temporarily ignore momentum scroll events */
bool m_ignoreMomentumScroll;
/** Is the scroll wheel event generated by a multi-touch track-pad or mouse? */
bool m_multiTouchScroll;
/** To prevent multiple warp, we store the time of the last warp event
* and ignore mouse moved events generated before that. */
double m_last_warp_timestamp;
};
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