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Wayland: Document when behaviour differs
This should describe all of the Wayland-specific points, mostly in three categories: - Missing GLFW features, for example window frame, screensaver inhibition, clipboard or file drop. - Missing protocols, like setting gamma on a monitor or specifying a window icon. - Fundamental incompatibilities with Wayland concepts, like trying to handle global positioning of a window in a 2D space, trying to bring a window to front, or trying to change the monitor’s mode. Closes #881.
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linkmauve
Camilla Berglund
parent
046d281abc
commit
bc8b0480e9
@ -202,6 +202,7 @@ ALIASES = "thread_safety=@par Thread safety\n" \
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"errors=@par Errors\n" \
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"glfw3=@par\n__GLFW 3:__" \
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"x11=__X11:__" \
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"wayland=__Wayland:__" \
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"win32=__Windows:__" \
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"osx=__OS X:__"
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@ -1621,6 +1621,9 @@ GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref
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* GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland Gamma handling is currently unavailable, this function will
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* always emit @ref GLFW_PLATFORM_ERROR.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref monitor_gamma
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@ -1642,6 +1645,9 @@ GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland Gamma handling is currently unavailable, this function will
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* always return `NULL` and emit @ref GLFW_PLATFORM_ERROR.
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*
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* @pointer_lifetime The returned structure and its arrays are allocated and
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* freed by GLFW. You should not free them yourself. They are valid until the
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* specified monitor is disconnected, this function is called again for that
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@ -1674,6 +1680,9 @@ GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor);
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*
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* @remark @win32 The gamma ramp size must be 256.
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*
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* @remark @wayland Gamma handling is currently unavailable, this function will
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* always emit @ref GLFW_PLATFORM_ERROR.
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*
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* @pointer_lifetime The specified gamma ramp is copied before this function
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* returns.
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*
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@ -1841,6 +1850,20 @@ GLFWAPI void glfwWindowHint(int hint, int value);
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* query the final size, position or other attributes directly after window
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* creation.
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*
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* @remark @wayland The window frame is currently unimplemented, as if
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* `GLFW_DECORATED` was always set to `GLFW_FALSE`. A compositor can still
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* emit close, resize or maximize events, using for example a keybind
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* mechanism.
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*
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* @remark @wayland A full screen window will not attempt to change the mode,
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* no matter what the requested size or refresh rate.
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*
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* @remark @wayland The wl_shell protocol does not support window
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* icons, the window will inherit the one defined in the application's
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* desktop file, so this function emits @ref GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland Screensaver inhibition is currently unimplemented.
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*
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* @reentrancy This function must not be called from a callback.
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*
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* @thread_safety This function must only be called from the main thread.
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@ -1979,6 +2002,10 @@ GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title);
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* [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/)
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* in the Mac Developer Library.
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*
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* @remark @wayland The wl_shell protocol does not support icons, the window
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* will inherit the one defined in the application's desktop file, so this
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* function emits @ref GLFW_PLATFORM_ERROR.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_icon
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@ -2006,6 +2033,10 @@ GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* i
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland There is no way for an application to retrieve the global
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* position of its windows, this function will always emit @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_pos
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@ -2036,6 +2067,10 @@ GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland There is no way for an application to set the global
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* position of its windows, this function will always emit @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_pos
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@ -2107,6 +2142,9 @@ GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height);
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* @remark If you set size limits and an aspect ratio that conflict, the
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* results are undefined.
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*
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* @remark @wayland The size limits will not be applied until the window is
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* actually resized, either by the user or by the compositor.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_sizelimits
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@ -2147,6 +2185,9 @@ GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minhe
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* @remark If you set size limits and an aspect ratio that conflict, the
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* results are undefined.
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*
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* @remark @wayland The aspect ratio will not be applied until the window is
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* actually resized, either by the user or by the compositor.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_sizelimits
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@ -2183,6 +2224,9 @@ GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland A full screen window will not attempt to change the mode,
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* no matter what the requested size.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_size
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@ -2252,6 +2296,10 @@ GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height)
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland The window frame is currently unimplemented, as if
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* `GLFW_DECORATED` was always set to `GLFW_FALSE`, so the returned values
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* will always be zero.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_size
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@ -2276,6 +2324,9 @@ GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland There is no concept of iconification in wl_shell, this
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* function will always emit @ref GLFW_PLATFORM_ERROR.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_iconify
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@ -2403,6 +2454,9 @@ GLFWAPI void glfwHideWindow(GLFWwindow* window);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland It is not possible for an application to bring its windows
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* to front, this function will always emit @ref GLFW_PLATFORM_ERROR.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_focus
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@ -2453,7 +2507,7 @@ GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);
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*
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* When a window transitions from full screen to windowed mode, this function
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* restores any previous window settings such as whether it is decorated,
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* floating, resizable, has size or aspect ratio limits, etc..
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* floating, resizable, has size or aspect ratio limits, etc.
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*
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* @param[in] window The window whose monitor, size or video mode to set.
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* @param[in] monitor The desired monitor, or `NULL` to set windowed mode.
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@ -2471,6 +2525,12 @@ GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland The desired window position is ignored, as there is no way
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* for an application to set this property.
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*
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* @remark @wayland Setting the window to full screen will not attempt to
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* change the mode, no matter what the requested size or refresh rate.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_monitor
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@ -2575,6 +2635,9 @@ GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window);
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*
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED.
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*
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* @remark @wayland This callback will never be called, as there is no way for
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* an application to know its global position.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_pos
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@ -2649,9 +2712,9 @@ GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwi
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* called when the client area of the window needs to be redrawn, for example
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* if the window has been exposed after having been covered by another window.
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*
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* On compositing window systems such as Aero, Compiz or Aqua, where the window
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* contents are saved off-screen, this callback may be called only very
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* infrequently or never at all.
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* On compositing window systems such as Aero, Compiz, Aqua or Wayland, where
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* the window contents are saved off-screen, this callback may be called only
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* very infrequently or never at all.
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*
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* @param[in] window The window whose callback to set.
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* @param[in] cbfun The new callback, or `NULL` to remove the currently set
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@ -2713,6 +2776,9 @@ GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwi
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*
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED.
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*
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* @remark @wayland The wl_shell protocol has no concept of iconification,
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* this callback will never be called.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref window_iconify
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@ -3205,6 +3271,9 @@ GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland This function will only work when the cursor mode is
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* `GLFW_CURSOR_DISABLED`, otherwise it will do nothing.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref cursor_pos
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@ -3570,6 +3639,8 @@ GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cb
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*
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED.
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*
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* @remark @wayland File drop is currently unimplemented.
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*
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* @thread_safety This function must only be called from the main thread.
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*
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* @sa @ref path_drop
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@ -3735,6 +3806,8 @@ GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland Clipboard is currently unimplemented.
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*
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* @pointer_lifetime The specified string is copied before this function
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* returns.
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*
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@ -3763,6 +3836,8 @@ GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string);
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
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* GLFW_PLATFORM_ERROR.
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*
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* @remark @wayland Clipboard is currently unimplemented.
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*
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* @pointer_lifetime The returned string is allocated and freed by GLFW. You
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* should not free it yourself. It is valid until the next call to @ref
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* glfwGetClipboardString or @ref glfwSetClipboardString, or until the library
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