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workinf_Blender_Wasm/blender-5.2.0/intern/ghost/intern/GHOST_Window.hh
2026-08-12 04:47:48 -04:00

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup GHOST
* Declaration of GHOST_Window class.
*/
#pragma once
#include "GHOST_IWindow.hh"
class GHOST_Context;
/**
* Platform independent implementation of GHOST_IWindow.
* Dimensions are given in screen coordinates that are relative to the
* upper-left corner of the screen.
* Implements part of the GHOST_IWindow interface and adds some methods to
* be implemented by sub-classes of this class.
*/
class GHOST_Window : public GHOST_IWindow {
public:
/**
* Constructor.
* Creates a new window and opens it.
* To check if the window was created properly, use the getValid() method.
* \param width: The width of the window.
* \param height: The height of the window.
* \param state: The state the window is initially opened with.
* \param context_params: Context parameters such as stereo visual for quad buffered stereo.
* \param exclusive: Use to show the window on top and ignore others (used full-screen).
*/
GHOST_Window(uint32_t width,
uint32_t height,
GHOST_TWindowState state,
const GHOST_ContextParams &context_params,
const bool exclusive = false);
/**
* \section Interface inherited from GHOST_IWindow left for derived class
* implementation.
* virtual bool getValid() const = 0;
* virtual void setTitle(const char * title) = 0;
* virtual std::string getTitle() const = 0;
* virtual void getWindowBounds(GHOST_Rect& bounds) const = 0;
* virtual void getClientBounds(GHOST_Rect& bounds) const = 0;
* virtual GHOST_TSuccess setClientWidth(uint32_t width) = 0;
* virtual GHOST_TSuccess setClientHeight(uint32_t height) = 0;
* virtual GHOST_TSuccess setClientSize(uint32_t width, uint32_t height) = 0;
* virtual void screenToClient(
* int32_t inX, int32_t inY, int32_t& outX, int32_t& outY) const = 0;
* virtual void clientToScreen(
* int32_t inX, int32_t inY, int32_t& outX, int32_t& outY) const = 0;
* virtual GHOST_TWindowState getState() const = 0;
* virtual GHOST_TSuccess setState(GHOST_TWindowState state) = 0;
* virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
* virtual GHOST_TSuccess swapBufferAcquire() = 0;
* virtual GHOST_TSuccess swapBufferRelease() = 0;
* virtual GHOST_TSuccess setSwapInterval() = 0;
* virtual GHOST_TSuccess getSwapInterval(int& interval_out) = 0;
* virtual GHOST_TSuccess activateDrawingContext() = 0;
* virtual GHOST_TSuccess invalidate() = 0;
*/
/**
* Destructor.
* Closes the window and disposes resources allocated.
*/
~GHOST_Window() override;
/** \copydoc #GHOST_IWindow::getValid */
bool getValid() const override
{
return context_ != nullptr;
}
/** \copydoc #GHOST_IWindow::setPath */
void setPath(const char * /*filepath*/) override
{
/* Pass. */
}
/** \copydoc #GHOST_IWindow::getWindowDecorationStyleFlags */
GHOST_TWindowDecorationStyleFlags getWindowDecorationStyleFlags() override;
/** \copydoc #GHOST_IWindow::setWindowDecorationStyleFlags */
void setWindowDecorationStyleFlags(GHOST_TWindowDecorationStyleFlags style_flags) override;
/** \copydoc #GHOST_IWindow::setWindowDecorationStyleSettings */
void setWindowDecorationStyleSettings(
GHOST_WindowDecorationStyleSettings decoration_settings) override;
/** \copydoc #GHOST_IWindow::applyWindowDecorationStyle */
GHOST_TSuccess applyWindowDecorationStyle() override
{
return GHOST_kSuccess;
}
/** \copydoc #GHOST_IWindow::getCursorShape */
inline GHOST_TStandardCursor getCursorShape() const override;
bool isDialog() const override
{
return false;
}
/** \copydoc #GHOST_IWindow::setCursorShape */
GHOST_TSuccess setCursorShape(GHOST_TStandardCursor cursor_shape) override;
/** \copydoc #GHOST_IWindow::setCustomCursorShape */
GHOST_TSuccess setCustomCursorShape(const uint8_t *bitmap,
const uint8_t *mask,
const int size[2],
const int hot_spot[2],
bool can_invert_color) override;
/** \copydoc #GHOST_IWindow::setCustomCursorGenerator */
GHOST_TSuccess setCustomCursorGenerator(GHOST_CursorGenerator *cursor_generator) override;
GHOST_TSuccess getCursorBitmap(GHOST_CursorBitmapRef *bitmap) override;
/** \copydoc #GHOST_IWindow::getCursorVisibility */
inline bool getCursorVisibility() const override;
inline GHOST_TGrabCursorMode getCursorGrabMode() const;
inline bool getCursorGrabModeIsWarp() const;
inline GHOST_TAxisFlag getCursorGrabAxis() const;
inline void getCursorGrabInitPos(int32_t &x, int32_t &y) const;
inline void getCursorGrabAccum(int32_t &x, int32_t &y) const;
inline void setCursorGrabAccum(int32_t x, int32_t y);
/** \copydoc #GHOST_IWindow::setCursorVisibility */
GHOST_TSuccess setCursorVisibility(bool visible) override;
/** \copydoc #GHOST_IWindow::setCursorGrab */
GHOST_TSuccess setCursorGrab(GHOST_TGrabCursorMode mode,
GHOST_TAxisFlag wrap_axis,
GHOST_Rect *bounds,
int32_t mouse_ungrab_xy[2]) override;
void getCursorGrabState(GHOST_TGrabCursorMode &mode,
GHOST_TAxisFlag &wrap_axis,
GHOST_Rect &bounds,
bool &use_software_cursor) override;
/** \copydoc #GHOST_IWindow::setProgressBar */
GHOST_TSuccess setProgressBar(float /*progress*/) override
{
return GHOST_kFailure;
}
/** \copydoc #GHOST_IWindow::endProgressBar */
GHOST_TSuccess endProgressBar() override
{
return GHOST_kFailure;
}
/** \copydoc #GHOST_IWindow::setSwapInterval */
GHOST_TSuccess setSwapInterval(int interval) override;
/** \copydoc #GHOST_IWindow::getSwapInterval */
GHOST_TSuccess getSwapInterval(int &interval_out) override;
/** \copydoc #GHOST_IWindow::setAcceptDragOperation */
void setAcceptDragOperation(bool can_accept) override;
/** \copydoc #GHOST_IWindow::setModifiedState */
GHOST_TSuccess setModifiedState(bool is_unsaved_changes) override;
/** \copydoc #GHOST_IWindow::getDrawingContextType */
inline GHOST_TDrawingContextType getDrawingContextType() override;
/**
* \copydoc #GHOST_IWindow::setDrawingContextType
*
* \note Child classes do not need to overload this method,
* They should overload #newDrawingContext instead.
*/
GHOST_TSuccess setDrawingContextType(GHOST_TDrawingContextType type) override;
/** \copydoc #GHOST_IWindow::getDrawingContext */
GHOST_IContext *getDrawingContext() override;
/** \copydoc #GHOST_IWindow::swapBufferAcquire */
GHOST_TSuccess swapBufferAcquire() override;
/** \copydoc #GHOST_IWindow::swapBuffers */
GHOST_TSuccess swapBufferRelease() override;
/** \copydoc #GHOST_IWindow::activateDrawingContext */
GHOST_TSuccess activateDrawingContext() override;
/**
* Updates the drawing context of this window. Needed
* whenever the window is changed.
* \return Indication of success.
*/
GHOST_TSuccess updateDrawingContext();
/**
* Get the drawing context associated with this window.
* \return Pointer to the context object.
*/
GHOST_Context *getContext();
/** \copydoc #GHOST_IWindow::getDefaultFramebuffer */
unsigned int getDefaultFramebuffer() override;
#ifdef WITH_VULKAN_BACKEND
/** \copydoc #GHOST_IContext::getVulkanHandles */
virtual GHOST_TSuccess getVulkanSwapChainFormat(
GHOST_VulkanSwapChainData *r_swap_chain_data) override;
#endif
/** \copydoc #GHOST_IWindow::getUserData */
GHOST_TUserDataPtr getUserData() const override
{
return user_data_;
}
/** \copydoc #GHOST_IWindow::setUserData */
void setUserData(const GHOST_TUserDataPtr user_data) override
{
user_data_ = user_data;
}
/** \copydoc #GHOST_IWindow::getNativePixelSize */
float getNativePixelSize() override
{
if (native_pixel_size_ > 0.0f) {
return native_pixel_size_;
}
return 1.0f;
}
/** \copydoc #GHOST_IWindow::getDPIHint */
uint16_t getDPIHint() override
{
return 96;
}
/** \copydoc #GHOST_IWindow::getHDRInfo */
GHOST_WindowHDRInfo getHDRInfo() override
{
return hdr_info_;
}
#ifdef WITH_INPUT_IME
void beginIME(
int32_t /*x*/, int32_t /*y*/, int32_t /*w*/, int32_t /*h*/, bool /*completed*/) override
{
/* do nothing temporarily if not in windows */
}
void endIME() override
{
/* do nothing temporarily if not in windows */
}
#endif /* WITH_INPUT_IME */
/**
* Returns the associated OS object/handle.
* \return The associated OS object/handle.
*/
virtual void *getOSWindow() const;
/**
* Returns acceptance of the dropped object.
* Usually called by the "object dropped" event handling function.
*/
virtual bool canAcceptDragOperation() const;
/**
* Gets the cursor grab region, if unset the window is used.
* Reset when grab is disabled.
*/
virtual GHOST_TSuccess getCursorGrabBounds(GHOST_Rect &bounds) const;
protected:
/**
* Tries to install a rendering context in this window.
* \param type: The type of rendering context installed.
* \return Indication as to whether installation has succeeded.
*/
virtual GHOST_Context *newDrawingContext(GHOST_TDrawingContextType type) = 0;
/**
* Sets the cursor visibility on the window using
* native window system calls.
*/
virtual GHOST_TSuccess setWindowCursorVisibility(bool visible) = 0;
/**
* Sets the cursor grab on the window using
* native window system calls.
*/
virtual GHOST_TSuccess setWindowCursorGrab(GHOST_TGrabCursorMode /*mode*/)
{
return GHOST_kSuccess;
}
/** \copydoc #GHOST_IWindow::setWindowCursorShape */
virtual GHOST_TSuccess setWindowCursorShape(GHOST_TStandardCursor shape) = 0;
/** \copydoc #GHOST_IWindow::setWindowCustomCursorShape */
virtual GHOST_TSuccess setWindowCustomCursorShape(const uint8_t *bitmap,
const uint8_t *mask,
const int size[2],
const int hot_size[2],
bool can_invert_color) = 0;
/** \copydoc #GHOST_IWindow::setWindowCustomCursorGenerator */
virtual GHOST_TSuccess setWindowCustomCursorGenerator(GHOST_CursorGenerator *cursor_generator)
{
cursor_generator->free_fn(cursor_generator);
return GHOST_kFailure;
};
/**
* Return true when a software cursor should be used.
*/
virtual bool getCursorGrabUseSoftwareDisplay();
/**
* Gets the window "modified" status, indicating unsaved changes.
* \return True if there are unsaved changes
*/
virtual bool getModifiedState();
GHOST_TSuccess releaseNativeHandles();
/** The drawing context installed in this window. */
GHOST_TDrawingContextType drawing_context_type_;
/** The window user data */
GHOST_TUserDataPtr user_data_;
/** The current visibility of the cursor */
bool cursor_visible_;
/** The current grabbed state of the cursor */
GHOST_TGrabCursorMode cursor_grab_;
/** Grab cursor axis. */
GHOST_TAxisFlag cursor_grab_axis_;
/** Initial grab location. */
int32_t cursor_grab_init_pos_[2];
/** Accumulated offset from cursor_grab_init_pos_. */
int32_t cursor_grab_accum_pos_[2];
/** Wrap the cursor within this region. */
GHOST_Rect cursor_grab_bounds_;
/** The current shape of the cursor */
GHOST_TStandardCursor cursor_shape_;
/** The presence of progress indicator with the application icon */
bool progress_bar_visible_;
/** The acceptance of the "drop candidate" of the current drag & drop operation. */
bool can_accept_drag_operation_;
/** Modified state : are there unsaved changes */
bool is_unsaved_changes_;
/** Stores whether this is a full screen window. */
bool full_screen_;
/** Window Decoration Styles. */
GHOST_TWindowDecorationStyleFlags window_decoration_style_flags_;
GHOST_WindowDecorationStyleSettings window_decoration_style_settings_;
/** The desired parameters to use when initializing the context for this window. */
GHOST_ContextParams want_context_params_;
/** Full-screen width */
uint32_t full_screen_width_;
/** Full-screen height */
uint32_t full_screen_height_;
/* OSX only, retina screens */
float native_pixel_size_;
GHOST_WindowHDRInfo hdr_info_ = GHOST_WINDOW_HDR_INFO_NONE;
private:
GHOST_Context *context_;
};
inline GHOST_TDrawingContextType GHOST_Window::getDrawingContextType()
{
return drawing_context_type_;
}
inline bool GHOST_Window::getCursorVisibility() const
{
return cursor_visible_;
}
inline GHOST_TGrabCursorMode GHOST_Window::getCursorGrabMode() const
{
return cursor_grab_;
}
inline bool GHOST_Window::getCursorGrabModeIsWarp() const
{
return (cursor_grab_ == GHOST_kGrabWrap) || (cursor_grab_ == GHOST_kGrabHide);
}
inline GHOST_TAxisFlag GHOST_Window::getCursorGrabAxis() const
{
return cursor_grab_axis_;
}
inline void GHOST_Window::getCursorGrabInitPos(int32_t &x, int32_t &y) const
{
x = cursor_grab_init_pos_[0];
y = cursor_grab_init_pos_[1];
}
inline void GHOST_Window::getCursorGrabAccum(int32_t &x, int32_t &y) const
{
x = cursor_grab_accum_pos_[0];
y = cursor_grab_accum_pos_[1];
}
inline void GHOST_Window::setCursorGrabAccum(int32_t x, int32_t y)
{
cursor_grab_accum_pos_[0] = x;
cursor_grab_accum_pos_[1] = y;
}
inline GHOST_TStandardCursor GHOST_Window::getCursorShape() const
{
return cursor_shape_;
}