X11 focus event. in the second list, I assume that events 2.

X11 focus event The window on which the focus event was generated. h>で定義されている It only checks for an expose event. It looks like if you're running X11 without a window manager however this focusIn event is never generated by the X-server as already answered here: Oct 22, 2024 · glfw - Fork of glfw with addition of premake build file. The X server can report FocusIn or FocusOut events to clients wanting information about when the input focus changes. On the Linux platform, as well as on the Windows platform, AWT uses the focus proxy mechanism. If it is not, hide the window; if it is, don't hide it and wait for the hotkey event. If owner-events is False, all generated key events are reported with respect to grab-window. Check if the focus event is actually coming from a grab or ungrab and do not revert focus in this case, to avoid breaking clients logic. If I controlled the source for a process and wanted it to never gain focus I'd have it process the focus and app activation events itself and do something similar. It is documented here, but as the docs are patchy, you will need to browse previous implementations of this. FocusIn and FocusOut events are selected with FocusChangeMask. Since you are creating an override-redirect window, the window manager does not see your window and cannot focus it. Detecting when the Control key has been released. Jun 2, 2023 · Here the border has nothing to do with the keybinding issue. void X11DRV_register_event_handler( int type, x11drv_event_handler handler, const char *name ) Jul 28, 2011 · I am trying to implement a click to focus policy. XCB_EVENT_MASK_KEY_PRESS // key was pressed while any of our controlled windows had the keyboard focus XCB_EVENT_MASK_KEY_RELEASE // key was released while any of our controlled windows had the keyboard focus These generate events of the same type, which goes by two names: Tiny X11 client that moves the pointer to the middle of newly-focused (via Alt+Tab) windows. However, X11 grab also issue focus in events, on which some clients rely and reverting focus in this case braks the client logic (e. X11 (xlib) BadWindow Errors during XQueryTree in a FocusIn Event I am new to linux and xlib and would appreciate some advice regarding how to avoid BadWindow Errors during a XQueryTree function call. Cancel hiding if you either get the hot key or get your focus back during this time interval. However, I am not getting any events when the mouse button is pressed in the client window. The handle to the X11 connection that this message came from. Boolean indicating whether the event was sent with 我目前正在寻找一种在Linux操作系统上从X服务器接收小部件焦点更改事件的方法。我尝试过使用XSelectInput(dpy, focuswin, FocusChangeMask);，但是服务器只在焦点窗口发生变化时才通知我，而不是特定窗口中的焦点小部件(例如文本输入)。我想要完成这一点，以便在可编辑的文本区域获得焦点时显示虚拟键盘 The contents of the event are otherwise unaltered and unchecked by the X server except to force send_event to True in the forwarded event and to set the serial number in the event correctly; therefore these fields and the display field are ignored by XSendEvent(). google. The sequence number of the last request processed by the X11 server. If you watch the active window and reset your grabs when the focus changes to be on the new window, then the events will not be generated. It supports quite a lot of queries, controls, and even hooks. If it finds a match, XCheckWindowEvent removes that event, copies it into the specified XEvent structure, and returns True . GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) Oct 22, 2023 · You can use this function to send events that are not normally generated by user input, such as focus events, expose events, configure events, etc. Mar 2, 2019 · Both contain X11-apps. 2 tools help during this investigation: watch activations Python script → Sep 26, 2012 · I am working on an event-driven project that draws shape on an x-window. GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) Capturing focus events so clients can ask for focus (necessary for dropdowns to work properly, which are their own separate windows most of the time). GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) Apr 24, 2013 · I am using "XGrabPointer" to get the mouse click events when ever they occured in the active window. // The first step is to put case KeyPress: in your switch for report. If True, the event window is the focus window or an inferior of the focus window. Almost every X11 application is already prepared for embedding its top-level window into some parent window (typically a window manager frame that contains the close button). I have a traditional combo box display element, a typical combo box with a dropdown popup list, like all popular toolkits have. X11 generates Pointer focus events, which are irrelevant to our use case and cause spurious FocusIn/Out events if the pointer is located in the wezterm window. Question: How can I request input focus for a window? Answer: There are different ways to request input focus for a window in X11. Therefore, focus on the component is set by synthesizing a focus event, whereas the invisible focus proxy has native focus. 5. The bits of the event mask are defined in X11/X. GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) sequence. I just launched cargo run --example key_binding on 7500a88 multiple times, sometimes the keypress works and sometimes it does not. node-x11 doesn't parse FocusIn/FocusOut events at all (code 9 and 10). The event mask defines which events the client is interested in for this InputOutput or InputOnly window (or, for some event types, inferiors of this window). For information about the keyboard event-handling utilities, see "Event Handling Functions". The X server can set the mode member to NotifyNormal , NotifyWhileGrabbed , NotifyGrab , or NotifyUngrab . Mar 7, 2013 · Basically, XGrabKey does not send focus events when the grab window is the actively focused window. e in any application on the X11 desktop. If a generated keyboard event would normally be reported to this window or one of its inferiors, the event is reported as usual. I’m using DearImGui with the glfw backend for Aug 28, 2015 · @Noitidart Try it yourself :-) The events are received even if the window doesn't have input focus, including clicks/taps and movement, though it only receives events for the exposed part of the window's client area, not the obscured parts that are hidden behind another window (my window manager allows me to hold Shift to click a window without gdk_x11_register_standard_event_type void gdk_x11_register_standard_event_type (GdkDisplay *display, gint event_base, gint n_events); Registers interest in receiving extension events with type codes between event_base and event_base + n_events - 1. // Now you will learn how to check if an event is a certain key being pressed. Mystery solved. Delay hiding on FocusOut by 100 or so milliseconds. Is there any method to prevent this auto-focusing ? glfw - Fork of glfw with addition of premake build file. Each bit in the event mask maps to an event mask name, which describes the event or events you want the X server to return to a client application. is used to select FocusIn and FocusOut events. (see X11_DispatchEvent() in SDL_x11events. c). The X11 serial number. Aug 12, 2024 · Stack Exchange Network. XISetFocus causes the X server to generate core, XI and XI2 focus events. // The purpose of this global x11 filter is for one to capture the key // events in their original state, but most importantly this is the // only way to get the WM_TAKE_FOCUS message from WM_PROTOCOLS. The X server can send events at any time in the input stream. I can not get the transparent window to trigger the event. 6. each mean two events sent by X11, and these two events appear in the order you put them in the list. By going into the window specific options I was able to force accept focus, and sure enough, typing has no effect. Mar 14, 2020 · You can improve the code in your answer by removing the unnecessary while True: loop. Finally, the solution that’s both simple (by X11 standards) and seems to work reliably for me. X11 and fake keyboard / mouse events. With KDE, I guess, since ghostscript doesn't request any input events, the graphics window cannot accept focus. x desktop. Keystone. If you want to fix the window receiving the second a you can move the lines assigning disp, window, and root out of the handler function (don't forget to rename root to avoid conflicts). FocusIn and FocusOut events occur when the keyboard focus window changes, as a result of an XSetInputFocus call. > xdotool getwindowfocus # 29360135 > xdotool getwindowfocus getwindowpid # 12988 > xdotool getwindowfocus getwindowname # tilda > xdotool getwindowfocus behave '%@' blur getmouselocation # or focus, mouse-enter, etc. Apparently it's better performance-wise to use XCB instead of Xlib these days. Oct 11, 2011 · My god! You're right! It must be a feature of the window manager. 3. 9. Mar 1, 2013 · I have this loss of focus on a variable frequency on XQuartz without any ssh command. The problem occurs when a focus out and focus in event are received on the same tick. If the focus window is None all keyboard events by this device are discarded until a new focus window is set. GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) Dec 22, 2023 · The focus event fires when an element has received focus. serial. x:514 y:317 screen:0 window:56623121 x:271 y:26 screen:0 window:56623121 Oct 5, 2011 · So now what I plan to do is to handle these events in C/C++ using XLib and pass these events to a Java Swing application using JNI callback. I recommend an application called XDoTool. XEvent The XCheckWindowEvent function searches the event queue and then the events available on the server connection for the first event that matches the specified window and event mask. In the X11 video backend, when a window is focussed in, the current keyboard state is synchronized to the glfw - Fork of glfw with addition of premake build file. Fixes #405. See details here: Event Processing Overview; Changing the Parent of a Window Aug 7, 2012 · （初步）X11开发人员的“工作台”应用程序，该应用程序使用轻量级的静态链接的自定义工具包，旨在供使用X11 Workbench构建的X11应用程序使用。 Mar 31, 2014 · The proper way to listen to all events is using the X Record Extension Library, part of libXtst, apparently installed on pretty much every X system. Agent) Analysis of this bug. I am getting buttonpress events when the mouse button is pressed in the frame window and am able to raise the frame window on buttonpress. This chapter discusses the following topics associated with events: Event types. 10. h> #include <X11/keysymdef. Moreover, the native window mapped to the component does not get a native focus event. I mean: (2a) = FocusOut with NotifyGrab, (2b) = FocusIn with NotifyGrab. The window member is set to the window on which the FocusIn or FocusOut event was generated. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. h. Whenever I click a mouse on the screen, new values of x and y are generated. Xlib stores any events received while waiting for a reply in an event queue for later use. Focus change events are queued and delayed (200 ticks) before they are dispatched. Oct 18, 2023 · With Windows / Win32 I'd get the current focus, then send my keys or click, then bounce focus back to the old window. The only relevant details seem to be Aug 17, 2015 · The shortcut executes mousemove only when a Calc window is in focus. Aug 20, 2015 · The subtelty of owner_events is to which window the events are delivered: if owner_events == False all pointer events matching the mask are sent to the grabbing window, even if the event is in other windows that belong to you application (Client in X parlance); coordinates are relative to the grabbing window too. Consequently, the attached patch gets rid of X11_CheckWindowManager and reuse the result of the checks in X11_CheckWindowManager. If propagate is False, the event is sent to every client selecting on destination any of the event types in the event_mask argument. You can use other methods to get events, // which are documented in the manual page for XNextEvent. The registered events must have the window field in the same place as core X events (this is not May 31, 2015 · Digging a bit further inside SDL2 it looks like the keyboard focus is set to a particular SDL window after a focusIn event is received from the X server. You may wanna look into that. . display. My question is: how can I store the different values of x and y in the code below assuming each time you click a mouse, new values of x and y are generated. Further key events are reported only to the grabbing client. // XNextEvent waits for an event to occur. Xlib also provides functions that allow you to check events in the event queue (see section "Event Queue Management"). But I would also like to be able to receive the normal mouse and keyboard events if the current window focus is on the presentation application. glfw - Fork of glfw with addition of premake build file. I also tried to use the root window in X11 but it does not seem to work. 2 Keyboard and Pointer Events This section discusses the processing that occurs for the keyboard events KeyPress and KeyRelease and the pointer events ButtonPress, ButtonRelease, and MotionNotify. The Aug 15, 2014 · For some fun and self-education, I'm tinkering with writing my own X11 toolkit. If focus is a window, it becomes the keyboard's focus window. Input focus events: FocusIn, FocusOut: Keymap state notification event: KeymapNotify: Exposure events これらの定数は <X11/Xproto. Likewise, synthetic key release events are generated for all keys pressed when a window goes out of focus. On 2015-07-03 10:59:00 +0000, Benoit Pierre wrote: Mar 17, 2015 · You can watch FocusIn/FocusOut events and return the focus to the previous window by force. Does this have something to do with the window being in 32-bit color? Many Xlib functions cause the X server to generate events, and the user's typing or moving the pointer can generate events asynchronously. This commit: * Logs atom names in property change events (makes it easier to understand user's logs) * Sets flags in cases where property changes might imply that a configure or focus event should have or should be sent * Adjusts the "unsure about state" logic so that it doesn't just trigger on the initial paint, but also on those flags being May 23, 2015 · I'm trying to use C and xlib to send a fake keypress event to the window with focus, here's my code: #include <X11/Xlib. e. The event mask is the bitwise inclusive OR of zero or more of the valid event mask bits. My use case is that a host application provides a window handle for my plugin application (a vst plugin for those interested), the window provided by the host is a A HWND on Windows and an X11 Window on Linux. Apr 13, 2020 · tl:dr: I reparented an undecorated glfw window in another X11 window and get no events. The display member is set to a pointer to the display the event was read on. Some people seem to get that working but, unfortunately, it was very erratic on my KDE 4. The evt parameter is the next event received from the X server only if the function returns NEXTEVENT_X11. Aug 14, 2013 · 有焦点是指当你按下一个键时接收键盘输入的窗口。 焦点处理取决于您的窗口管理器。最常见的模式是单击聚焦，您的窗口管理器设置为该模式，您只有在单击窗口时才能获得焦点 To do this, pass an event mask to an Xlib event-handling function that takes an event_mask argument. type. ) My question is this: is there a better way to check whether the Calc window is in focus? How do I change key bindings based on which window is focused? seems related but doesn't have an answer. Alternatively, make your onscreen keyboard override-redirect and don't worry about focus at all (it will not work if you have "focus strictly under mouse" policy, but I think no on-screen keyboard can sensibly work with this policy). 5. Feb 20, 2014 · Capturing events in X11 even after the loss of focus. Aug 31, 2015 · 据我所知，只要窗口进入焦点状态，就会触发X11 FocusIn事件。它就是将键盘输入发送到的窗口。触发此事件时遇到问题。在创建窗口时，我已经确保给它提供了FocusChangeMask。我已经在我的事件处理程序中创建了一个断点，该断点是FocusIn事件应该发生的位置，但它并没有停止。我有两个独立的窗口 If focus is None, all keyboard events are discarded until a new focus window is set, and the revert_to argument is ignored. – Oct 28, 2014 · For instance, when you get a FocusOut event, call XQueryKeymap and see if your hotkey is pressed. Detecting keyboard key press and Sep 11, 2019 · The focus events are only sent when the window that you selected these events on receives or loses the focus, see https: X11 event when app loses focus. sequence. I'm trying to write a simple WM, and spent ~4 hours just looking what I'm doing wrong that the focus isn't getting changed correctly (I want to raise focused windows). Jan 5, 2021 · If event_mask is the empty set, the event is sent to the client that created the destination window. This request overrides any active keyboard grab by this client. Select With. Focus events are used when an application wants to act differently when the keyboard focus is set to another window or to itself. The X server can set this member to either True or False. They are much like EnterNotify and LeaveNotify events except that they track the focus rather than the pointer. However, the previous filtering was too broad and missed virtual desktop switching, Alt+Tab and programmatic iconification. FocusOut events are delivered to the old focus window and FocusIn events to the window which receives the focus. Can someone please show me the right direction? Thanks glfw - Fork of glfw with addition of premake build file. For each event type, a corresponding constant name is defined in X11/X. Is this correct? Unfortunately this is not clear from the documentation for focus events or grabs. g. (The coordinates are specific to my usage. The following table lists the event category and its associated event type or types. GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) This is the key attribute that determines all the rest. The opposite of focus is the blur event, which fires when the element has lost focus. GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) Nov 25, 2020 · Currently every X11 window will receive every input event globally, regardless of window focus. in the second list, I assume that events 2. - matejd/x11-focus-pointer REQUEST ARGUMENTS conn. Windows in between in the hierarchy are The contents of the event are otherwise unaltered and unchecked by the X server except to force send_event to True in the forwarded event and to set the serial number in the event correctly; therefore these fields and the display field are ignored by XSendEvent. Jul 3, 2012 · X11 event when app loses focus. But my requirement is to detect the clicks globally i. The other possible return values are NEXTEVENT_STDIN if stdin is readable and NEXTEVENT_TIMEOUT if the timeout expired. Why?. 1. Jan 2, 2017 · Option two, once you compose the right search queries, is to watch FocusOut and possibly FocusIn events across your whole desktop. On the other hand I found a heavy relationship between this XQuartz loss of focus and the launch of: Google Software Update (com. The XCB connection to X11. You can specify that no maskable events are reported by setting NoEventMask (default). The keyboard is always attached to some window (typically, the root window or a top-level window), which is called the focus window. For some event masks, there is a one-to-one correspondence between the event mask constant and the event type constant. propagate. I really don't like the default X11 focus mode: 'sloppy focus' (the focus follows the mouse pointer) so I want to change that behavior. Event mask. Oct 23, 2018 · I would like to have my presentation application to receive all of the events from this remote regardless of where the mouse focus is. 0. I can't get a way in order to have my application focused (I think this is the problem), have you any idea? Moreover, the native window mapped to the component does not get a native focus event. They cannot be selected separately. I'm overriding the EnterNotify event but I still have sloppy focus. Normally, the input focus is managed by the window manager. Otherwise, if focus is a window, it becomes the device´s focus window. GLFW is a cross-platform OpenGL/Vulkan helper library (windows, contexts, input, etc) glfw - Fork of glfw with addition of premake build file. h> #define XK_A 0x041 int main() { Display *display = XOpenDisplay(NULL); //find out window with current focus: Window winfocus; int revert; XGetInputFocus(display, &winfocus, &revert); //send key Jul 25, 2013 · Patch to prevent redundant focus out events stealing keyboard focus when using multiple window. If False, the event window is not the focus window or an inferior of the focus window. Some focus events need to be ignored to allow functionality like Alt+Tab and volume indicators to not affect application-visible window focus. Here's something that's stumping me. The fourth member always is a display Jan 11, 2019 · When I create a new window using x11 and XCreateSimpleWindow, I observe that the keyboard focus automatically goes onto this new window. An event type describes a specific event generated by the X server. The event does not bubble, but the related focusin event that follows does bubble. If owner_events == True events Apr 18, 2021 · If I launch the application with xinit, using . combobox menu in gtk+ using the X11 backend). Event processing The mode member is set to indicate whether the focus events are normal focus events, focus events while grabbed, focus events when a grab activates, or focus events when a grab deactivates. So in Linux/X11, if a window registers for events in ASyncMode (i. The focus event is not cancelable. 4 Event Processing Overview The event reported to a client application during event processing depends on which event masks you provide as the event-mask attribute for a window. Tested both without a window manager, and with awesome and openbox. Currently, this is only functional on X11 and Windows static BOOL xf_action_script_append(xfContext* xfc, const char* buffer, size_t size, void* user, Apr 17, 2014 · I'm simply trying to understand the technique of how event handlers are called in X11. Make resizing windows not dumb. The third member always is send_event, which is a Bool that indicates if the event was sent by a different client. If that client no longer exists, no event is sent. The mode member is set to indicate whether the focus events are normal focus events, focus events while grabbed, focus events when a grab activates, or focus events when a grab deactivates. I have noticed that whenever I focus on the non-transparent window that is underneath that triggers the FocusIn event. When these delayed events are dispatched they will be sent in the order glfw - Fork of glfw with addition of premake build file. If the type is unknown, it becomes X11::Xlib::XEvent. xinitrc with application path and its parameters inside, the application normally starts but I can't get keyboard and mouse events. Thank you! – If true, the event was generated synthetically by winit in one of the following circumstances: Synthetic key press events are generated for all keys pressed when a window gains focus. The send_event member is set to True if the event came from a SendEvent protocol request. FocusChangeMask. The parent window, however, should implement some specific event handling. The second member always is the serial number of the protocol request that generated the event. PointerMotion), how does X11 call the event handler for that process? Are they using some form of interrupts? What baffles me is that my process has nothing that is polling for X11 events. The X server returns events to the client on the same connection. For example, when the X server reports a GraphicsExpose event to a client application, it sends an XGraphicsExposeEvent structure with the type member set to GraphicsExpose. send_event. If propagate is true and no clients have selected any event on destination, the destination is replaced with the closest ancestor of destination for which some client has selected a type in event_mask and for which no intervening window has that type in its do-not-propagate-mask. Otherwise, it should do nothing. Sending keyboard events to other windows from wxwidget app in linux. This is the window used by the X server to report the event. Setting this value will re-bless the object to the relevant sub-class. event. h , which is used when referring to an event type. Event structures. reparenting a decorated window works fine. If owner-events is True and if a generated key event would normally be reported to this client, it is reported normally Dec 23, 2011 · by the way input delivery works on X11, this cannot happen: an X11 window has to have focus in order to receive input events - in other words: events are delivered only to the focused window. Sep 19, 2019 · In X11, keyboard events are (basically) send to the window that currently has the input focus. detail. May 4, 2011 · I'm writing a simple window manager (using xlib) for school and I have one problem. Solve this and other related issues for the nested X11 compositor by selecting for KeymapStateMask which causes a KeymapNotify event to be sent after each FocusIn, and when we get these events, update the internal XKB state and send any necessary modifiers events to clients. and 3. I am able to do this but when the X11 window looses focus no events are transferred to the Swing frame. No focus on that second screen, no event that I could observe, but all of a sudden, a mouseover of the X11-app on w_invisible was popping up on top of the X11 app visible on the selected w_visible. Detect window focus changes with XCB. The focus member is set to indicate whether the event window is the focus window or an inferior of the focus window. Even if the events are not processed by the application and just discarded, this has a significant impact on the CPU usage by winit applicati An XEvent structure's first entry always is the type member, which is set to the event type. Send keyboard state reconciliation events with window_id 0. eacf fxnb hqt kxhstyu ywjkua poftowp xax sxzmh lrhag aeuebsw ufrw ooeuu uqs oymdnwf phb