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Added glfwPostEmptyEvent.
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@ -50,6 +50,8 @@ The following dependencies are needed by the examples and test programs:
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- Bugfix: The debug context attribute was set from `GL_ARB_debug_output` even
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when a debug context had not been requested
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- Bugfix: The particles example was not linked against the threading library
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- Added `glfwPostEmptyEvent` for allowing secondary threads to cause
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`glfwWaitEvents` to return
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- [Cocoa] Added `_GLFW_USE_RETINA` to control whether windows will use the full
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resolution on Retina displays
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- [Cocoa] Bugfix: Using a 1x1 cursor for hidden mode caused some screen
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@ -13,6 +13,13 @@ GLFW now provides a callback for receiving the paths of files dropped onto GLFW
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windows. The callback is set with the @ref glfwSetDropCallback function.
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@subsection news_31_emptyevent Empty event support
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GLFW now provides the @ref glfwPostEmptyEvent function for posting an empty
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event from a secondary thread to the main thread event queue, causing @ref
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glfwWaitEvents to return.
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@section news_30 New features in version 3.0
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@subsection news_30_cmake CMake build system
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@ -1745,6 +1745,10 @@ GLFWAPI void glfwPollEvents(void);
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* [window refresh callback](@ref GLFWwindowrefreshfun) to redraw the contents
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* of your window when necessary during the operation.
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*
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* @remarks If no windows exist, this function returns immediately. For
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* synchronization of threads in applications that do not create windows, use
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* your threading library of choice.
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*
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* @note This function may only be called from the main thread.
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*
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* @note This function may not be called from a callback.
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@ -1758,6 +1762,23 @@ GLFWAPI void glfwPollEvents(void);
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*/
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GLFWAPI void glfwWaitEvents(void);
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/*! @brief Posts an empty event to the event queue.
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*
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* This function posts an empty event from the current thread to the main
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* thread event queue, causing @ref glfwWaitEvents to return.
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*
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* @remarks If no windows exist, this function returns immediately. For
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* synchronization of threads in applications that do not create windows, use
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* your threading library of choice.
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*
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* @remarks This function may be called from secondary threads.
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*
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* @sa glfwWaitEvents
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*
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* @ingroup window
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*/
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GLFWAPI void glfwPostEmptyEvent(void);
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/*! @brief Returns the value of an input option for the specified window.
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*
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* @param[in] window The window to query.
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@ -1147,6 +1147,20 @@ void _glfwPlatformWaitEvents(void)
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_glfwPlatformPollEvents();
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}
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void _glfwPlatformPostEmptyEvent(void)
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{
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NSEvent* event = [NSEvent otherEventWithType:NSApplicationDefined
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location:NSMakePoint(0, 0)
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modifierFlags:0
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timestamp:0
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windowNumber:0
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context:nil
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subtype:0
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data1:0
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data2:0];
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[NSApp postEvent:event atStart:YES];
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}
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void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
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{
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setModeCursor(window);
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@ -539,6 +539,11 @@ void _glfwPlatformPollEvents(void);
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*/
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void _glfwPlatformWaitEvents(void);
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/*! @copydoc glfwPostEmptyEvent
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* @ingroup platform
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*/
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void _glfwPlatformPostEmptyEvent(void);
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/*! @copydoc glfwMakeContextCurrent
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* @ingroup platform
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*/
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@ -1181,6 +1181,12 @@ void _glfwPlatformWaitEvents(void)
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_glfwPlatformPollEvents();
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}
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void _glfwPlatformPostEmptyEvent(void)
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{
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_GLFWwindow* window = _glfw.windowListHead;
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PostMessage(window->win32.handle, WM_NULL, 0, 0);
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}
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void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos)
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{
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POINT pos = { (int) xpos, (int) ypos };
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14
src/window.c
14
src/window.c
@ -669,6 +669,20 @@ GLFWAPI void glfwPollEvents(void)
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GLFWAPI void glfwWaitEvents(void)
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{
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_GLFW_REQUIRE_INIT();
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if (!_glfw.windowListHead)
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return;
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_glfwPlatformWaitEvents();
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}
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GLFWAPI void glfwPostEmptyEvent(void)
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{
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_GLFW_REQUIRE_INIT();
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if (!_glfw.windowListHead)
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return;
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_glfwPlatformPostEmptyEvent();
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}
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@ -1305,6 +1305,21 @@ void _glfwPlatformWaitEvents(void)
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_glfwPlatformPollEvents();
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}
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void _glfwPlatformPostEmptyEvent(void)
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{
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XEvent event;
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_GLFWwindow* window = _glfw.windowListHead;
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memset(&event, 0, sizeof(event));
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event.type = ClientMessage;
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event.xclient.window = window->x11.handle;
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event.xclient.format = 32; // Data is 32-bit longs
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event.xclient.message_type = _glfw.x11._NULL;
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XSendEvent(_glfw.x11.display, window->x11.handle, False, 0, &event);
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XFlush(_glfw.x11.display);
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}
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void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
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{
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// Store the new position so it can be recognized later
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