ce42d92503
As part of the GSoC 2024 project "Improvements to the Blender macOS User Interface Experience" [1], this patch implements colored titlebar window decorations on macOS, based on the current Blender theme colors. Additionally, this patch introduces a new WM/GHOST API for implementing and enabling custom decoration styles on any system/desktop environment that support customizing window decorations. [1]: https://devtalk.blender.org/t/gsoc-2024-proposal-improvements-to-the-blender-macos-user-interface-experience/34022) Pull Request: https://projects.blender.org/blender/blender/pulls/123982
506 lines
14 KiB
C++
506 lines
14 KiB
C++
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup GHOST
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* Declaration of GHOST_Window class.
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*/
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#pragma once
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#include "GHOST_IWindow.hh"
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class GHOST_Context;
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/**
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* Platform independent implementation of GHOST_IWindow.
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* Dimensions are given in screen coordinates that are relative to the
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* upper-left corner of the screen.
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* Implements part of the GHOST_IWindow interface and adds some methods to
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* be implemented by sub-classes of this class.
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*/
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class GHOST_Window : public GHOST_IWindow {
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public:
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/**
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* Constructor.
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* Creates a new window and opens it.
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* To check if the window was created properly, use the getValid() method.
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* \param width: The width of the window.
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* \param height: The height of the window.
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* \param state: The state the window is initially opened with.
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* \param wantStereoVisual: Stereo visual for quad buffered stereo.
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* \param exclusive: Use to show the window on top and ignore others (used full-screen).
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*/
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GHOST_Window(uint32_t width,
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uint32_t height,
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GHOST_TWindowState state,
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const bool wantStereoVisual = false,
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const bool exclusive = false);
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/**
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* \section Interface inherited from GHOST_IWindow left for derived class
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* implementation.
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* virtual bool getValid() const = 0;
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* virtual void setTitle(const char * title) = 0;
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* virtual std::string getTitle() const = 0;
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* virtual void getWindowBounds(GHOST_Rect& bounds) const = 0;
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* virtual void getClientBounds(GHOST_Rect& bounds) const = 0;
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* virtual GHOST_TSuccess setClientWidth(uint32_t width) = 0;
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* virtual GHOST_TSuccess setClientHeight(uint32_t height) = 0;
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* virtual GHOST_TSuccess setClientSize(uint32_t width, uint32_t height) = 0;
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* virtual void screenToClient(
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* int32_t inX, int32_t inY, int32_t& outX, int32_t& outY) const = 0;
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* virtual void clientToScreen(
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* int32_t inX, int32_t inY, int32_t& outX, int32_t& outY) const = 0;
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* virtual GHOST_TWindowState getState() const = 0;
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* virtual GHOST_TSuccess setState(GHOST_TWindowState state) = 0;
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* virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
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* virtual GHOST_TSuccess swapBuffers() = 0;
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* virtual GHOST_TSuccess setSwapInterval() = 0;
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* virtual GHOST_TSuccess getSwapInterval(int& intervalOut) = 0;
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* virtual GHOST_TSuccess activateDrawingContext() = 0;
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* virtual GHOST_TSuccess invalidate() = 0;
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*/
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/**
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* Destructor.
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* Closes the window and disposes resources allocated.
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*/
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~GHOST_Window() override;
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/**
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* Returns indication as to whether the window is valid.
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* \return The validity of the window.
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*/
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bool getValid() const override
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{
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return m_context != nullptr;
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}
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/**
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* Returns the associated OS object/handle
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* \return The associated OS object/handle
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*/
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void *getOSWindow() const override;
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GHOST_TSuccess setPath(const char * /*filepath*/) override
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{
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return GHOST_kFailure;
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}
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/**
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* Return the current window decoration style flags.
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*/
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virtual GHOST_TWindowDecorationStyleFlags getWindowDecorationStyleFlags() override;
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/**
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* Set the window decoration style flags.
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* \param styleFlags: Window decoration style flags.
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*/
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virtual void setWindowDecorationStyleFlags(
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GHOST_TWindowDecorationStyleFlags styleFlags) override;
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/**
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* Set the window decoration style settings.
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* \param decorationSettings: Window decoration style settings.
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*/
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virtual void setWindowDecorationStyleSettings(
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GHOST_WindowDecorationStyleSettings decorationSettings) override;
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/**
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* Apply the window decoration style using the current flags and settings.
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*/
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virtual GHOST_TSuccess applyWindowDecorationStyle() override
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{
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return GHOST_kSuccess;
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}
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/**
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* Returns the current cursor shape.
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* \return The current cursor shape.
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*/
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inline GHOST_TStandardCursor getCursorShape() const override;
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bool isDialog() const override
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{
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return false;
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}
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/**
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* Set the shape of the cursor.
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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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GHOST_TSuccess setCursorShape(GHOST_TStandardCursor cursorShape) override;
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/**
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* Set the shape of the cursor to a custom cursor.
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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 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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* \return Indication of success.
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*/
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GHOST_TSuccess setCustomCursorShape(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) override;
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GHOST_TSuccess getCursorBitmap(GHOST_CursorBitmapRef *bitmap) override;
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/**
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* Returns the visibility state of the cursor.
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* \return The visibility state of the cursor.
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*/
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inline bool getCursorVisibility() const override;
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inline GHOST_TGrabCursorMode getCursorGrabMode() const;
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inline bool getCursorGrabModeIsWarp() const;
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inline GHOST_TAxisFlag getCursorGrabAxis() const;
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inline void getCursorGrabInitPos(int32_t &x, int32_t &y) const;
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inline void getCursorGrabAccum(int32_t &x, int32_t &y) const;
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inline void setCursorGrabAccum(int32_t x, int32_t y);
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/**
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* Shows or hides the cursor.
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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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GHOST_TSuccess setCursorVisibility(bool visible) override;
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/**
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* Sets the cursor grab.
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* \param mode: The new grab state of the cursor.
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* \return Indication of success.
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*/
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GHOST_TSuccess setCursorGrab(GHOST_TGrabCursorMode mode,
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GHOST_TAxisFlag wrap_axis,
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GHOST_Rect *bounds,
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int32_t mouse_ungrab_xy[2]) override;
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/**
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* Gets the cursor grab region, if unset the window is used.
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* reset when grab is disabled.
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*/
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GHOST_TSuccess getCursorGrabBounds(GHOST_Rect &bounds) const override;
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void getCursorGrabState(GHOST_TGrabCursorMode &mode,
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GHOST_TAxisFlag &wrap_axis,
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GHOST_Rect &bounds,
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bool &use_software_cursor) override;
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/**
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* Return true when a software cursor should be used.
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*/
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bool getCursorGrabUseSoftwareDisplay() override;
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/**
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* Sets the progress bar value displayed in the window/application icon
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* \param progress: The progress percentage (0.0 to 1.0).
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*/
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GHOST_TSuccess setProgressBar(float /*progress*/) override
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{
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return GHOST_kFailure;
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}
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/**
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* Hides the progress bar in the icon
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*/
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GHOST_TSuccess endProgressBar() override
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{
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return GHOST_kFailure;
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}
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/**
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* Sets the swap interval for #swapBuffers.
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* \param interval: The swap interval to use.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess setSwapInterval(int interval) override;
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/**
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* Gets the current swap interval for #swapBuffers.
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* \return An integer.
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*/
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GHOST_TSuccess getSwapInterval(int &intervalOut) override;
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/**
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* Tells if the ongoing drag & drop object can be accepted upon mouse drop.
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*/
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void setAcceptDragOperation(bool canAccept) override;
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/**
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* Returns acceptance of the dropped object
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* Usually called by the "object dropped" event handling function
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*/
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bool canAcceptDragOperation() const override;
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/**
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* Sets the window "modified" status, indicating unsaved changes
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* \param isUnsavedChanges: Unsaved changes or not.
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* \return Indication of success.
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*/
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GHOST_TSuccess setModifiedState(bool isUnsavedChanges) override;
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/**
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* Gets the window "modified" status, indicating unsaved changes
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* \return True if there are unsaved changes
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*/
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bool getModifiedState() override;
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/**
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* Returns the type of drawing context used in this window.
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* \return The current type of drawing context.
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*/
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inline GHOST_TDrawingContextType getDrawingContextType() override;
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/**
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* Tries to install a rendering context in this window.
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* Child classes do not need to overload this method,
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* They should overload #newDrawingContext instead.
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* \param type: The type of rendering context installed.
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* \return Indication as to whether installation has succeeded.
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*/
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GHOST_TSuccess setDrawingContextType(GHOST_TDrawingContextType type) override;
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/**
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* Returns the drawing context used in this window.
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* \return The current drawing context.
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*/
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GHOST_IContext *getDrawingContext() override;
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/**
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* Swaps front and back buffers of a window.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess swapBuffers() override;
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/**
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* Activates the drawing context of this window.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess activateDrawingContext() override;
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/**
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* Updates the drawing context of this window. Needed
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* whenever the window is changed.
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* \return Indication of success.
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*/
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GHOST_TSuccess updateDrawingContext();
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/**
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* Get the drawing context associated with this window.
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*\return Pointer to the context object.
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*/
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GHOST_Context *getContext();
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/**
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* Gets the OpenGL frame-buffer associated with the window's contents.
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* \return The ID of an OpenGL frame-buffer object.
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*/
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unsigned int getDefaultFramebuffer() override;
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#ifdef WITH_VULKAN_BACKEND
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virtual GHOST_TSuccess getVulkanSwapChainFormat(
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GHOST_VulkanSwapChainData *r_swap_chain_data) override;
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#endif
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/**
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* Returns the window user data.
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* \return The window user data.
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*/
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GHOST_TUserDataPtr getUserData() const override
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{
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return m_userData;
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}
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/**
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* Changes the window user data.
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* \param userData: The window user data.
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*/
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void setUserData(const GHOST_TUserDataPtr userData) override
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{
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m_userData = userData;
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}
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float getNativePixelSize() override
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{
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if (m_nativePixelSize > 0.0f) {
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return m_nativePixelSize;
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}
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return 1.0f;
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}
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/**
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* Returns the recommended DPI for this window.
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* \return The recommended DPI for this window.
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*/
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uint16_t getDPIHint() override
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{
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return 96;
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}
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#ifdef WITH_INPUT_IME
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void beginIME(
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int32_t /*x*/, int32_t /*y*/, int32_t /*w*/, int32_t /*h*/, bool /*completed*/) override
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{
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/* do nothing temporarily if not in windows */
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}
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void endIME() override
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{
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/* do nothing temporarily if not in windows */
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}
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#endif /* WITH_INPUT_IME */
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protected:
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/**
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* Tries to install a rendering context in this window.
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* \param type: The type of rendering context installed.
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* \return Indication as to whether installation has succeeded.
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*/
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virtual GHOST_Context *newDrawingContext(GHOST_TDrawingContextType type) = 0;
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/**
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* Sets the cursor visibility on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCursorVisibility(bool visible) = 0;
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/**
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* Sets the cursor grab on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCursorGrab(GHOST_TGrabCursorMode /*mode*/)
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{
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return GHOST_kSuccess;
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}
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/**
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* Sets the cursor shape on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCursorShape(GHOST_TStandardCursor shape) = 0;
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/**
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* Sets the cursor shape on the window using
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* native window system calls.
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*/
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virtual GHOST_TSuccess setWindowCustomCursorShape(uint8_t *bitmap,
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uint8_t *mask,
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int szx,
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int szy,
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int hotX,
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int hotY,
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bool canInvertColor) = 0;
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GHOST_TSuccess releaseNativeHandles();
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/** The drawing context installed in this window. */
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GHOST_TDrawingContextType m_drawingContextType;
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/** The window user data */
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GHOST_TUserDataPtr m_userData;
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/** The current visibility of the cursor */
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bool m_cursorVisible;
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/** The current grabbed state of the cursor */
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GHOST_TGrabCursorMode m_cursorGrab;
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/** Grab cursor axis. */
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GHOST_TAxisFlag m_cursorGrabAxis;
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/** Initial grab location. */
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int32_t m_cursorGrabInitPos[2];
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/** Accumulated offset from m_cursorGrabInitPos. */
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int32_t m_cursorGrabAccumPos[2];
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/** Wrap the cursor within this region. */
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GHOST_Rect m_cursorGrabBounds;
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/** The current shape of the cursor */
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GHOST_TStandardCursor m_cursorShape;
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/** The presence of progress indicator with the application icon */
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bool m_progressBarVisible;
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/** The acceptance of the "drop candidate" of the current drag & drop operation. */
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bool m_canAcceptDragOperation;
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/** Modified state : are there unsaved changes */
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bool m_isUnsavedChanges;
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/** Stores whether this is a full screen window. */
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bool m_fullScreen;
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/** Window Decoration Styles. */
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GHOST_TWindowDecorationStyleFlags m_windowDecorationStyleFlags;
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GHOST_WindowDecorationStyleSettings m_windowDecorationStyleSettings;
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/** Whether to attempt to initialize a context with a stereo frame-buffer. */
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bool m_wantStereoVisual;
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/** Full-screen width */
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uint32_t m_fullScreenWidth;
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/** Full-screen height */
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uint32_t m_fullScreenHeight;
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/* OSX only, retina screens */
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float m_nativePixelSize;
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private:
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GHOST_Context *m_context;
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};
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inline GHOST_TDrawingContextType GHOST_Window::getDrawingContextType()
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{
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return m_drawingContextType;
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}
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inline bool GHOST_Window::getCursorVisibility() const
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{
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return m_cursorVisible;
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}
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inline GHOST_TGrabCursorMode GHOST_Window::getCursorGrabMode() const
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{
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return m_cursorGrab;
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}
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inline bool GHOST_Window::getCursorGrabModeIsWarp() const
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{
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return (m_cursorGrab == GHOST_kGrabWrap) || (m_cursorGrab == GHOST_kGrabHide);
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}
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inline GHOST_TAxisFlag GHOST_Window::getCursorGrabAxis() const
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{
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return m_cursorGrabAxis;
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}
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inline void GHOST_Window::getCursorGrabInitPos(int32_t &x, int32_t &y) const
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{
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x = m_cursorGrabInitPos[0];
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y = m_cursorGrabInitPos[1];
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}
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inline void GHOST_Window::getCursorGrabAccum(int32_t &x, int32_t &y) const
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{
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x = m_cursorGrabAccumPos[0];
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y = m_cursorGrabAccumPos[1];
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}
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inline void GHOST_Window::setCursorGrabAccum(int32_t x, int32_t y)
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{
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m_cursorGrabAccumPos[0] = x;
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m_cursorGrabAccumPos[1] = y;
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}
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inline GHOST_TStandardCursor GHOST_Window::getCursorShape() const
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{
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return m_cursorShape;
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}
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