From: Ralf Jung Date: Sat, 13 Jul 2013 11:03:06 +0000 (+0200) Subject: grab all keyboard focuses on startup X-Git-Url: https://git.ralfj.de/multypo.git/commitdiff_plain/b02f9fdbd25d756d6ca73156d0b21a703e17d1de?hp=d06ad1b372082777c92dbc4065c0a355bc2bef93 grab all keyboard focuses on startup --- diff --git a/qt/multypo.cpp b/qt/multypo.cpp index a5d8137..638114c 100644 --- a/qt/multypo.cpp +++ b/qt/multypo.cpp @@ -26,40 +26,6 @@ MultypoWindow::~MultypoWindow() { } -void MultypoWindow::showEvent ( QShowEvent * ) -{ - if (xiInited) return; - - Display *dpy = x11Info().display(); - - /* XInput Extension available? */ - int eventID, errorID; - if (!XQueryExtension(dpy, "XInputExtension", &xiOpcode, &eventID, &errorID)) { - qCritical() << "X Input extension not available"; - } - - /* Which version of XI2? We support 2.0 */ - int major = 2, minor = 0; - if (XIQueryVersion(dpy, &major, &minor) == BadRequest) { - qCritical() << "XI2 not available. Server supports" << major << "." << - minor; - } - - qDebug() << "System is sane"; - - - // Now let's listen to keypress events - XIEventMask eventmask; - unsigned char mask [1] = { 0 }; // will change - eventmask.deviceid = XIAllMasterDevices; - eventmask.mask_len = sizeof (mask); // in bytes, for whatever reason... - eventmask.mask = mask; - XISetMask(mask, XI_KeyPress); - XISelectEvents (dpy, winId(), &eventmask, 1); - - xiInited = true; -} - void MultypoWindow::handleKeyPress(int device, QString string) { qDebug() << "Device" << device << "String" << string; @@ -68,12 +34,51 @@ void MultypoWindow::handleKeyPress(int device, QString string) bool MultypoWindow::handleX11Event(XEvent *event) { - if (!xiInited) return false; Display *dpy = x11Info().display(); + /* Handle the first map event: We are finally visible! */ + if (!xiInited && event->type == MapNotify) { + /* XInput Extension available? */ + int eventID, errorID; + if (!XQueryExtension(dpy, "XInputExtension", &xiOpcode, &eventID, &errorID)) { + qCritical() << "X Input extension not available"; + } - if (event->xcookie.type == GenericEvent && event->xcookie.extension == xiOpcode - && event->xcookie.evtype == XI_KeyPress && XGetEventData(dpy, &event->xcookie)) { + /* Which version of XI2? We support 2.0 */ + int major = 2, minor = 0; + if (XIQueryVersion(dpy, &major, &minor) == BadRequest) { + qCritical() << "XI2 not available. Server supports" << major << "." << + minor; + } + + qDebug() << "System supports XI2"; + + + // Now let's listen to keypress events + XIEventMask eventmask; + unsigned char mask [1] = { 0 }; // will change + eventmask.deviceid = XIAllMasterDevices; + eventmask.mask_len = sizeof (mask); // in bytes, for whatever reason... + eventmask.mask = mask; + XISetMask(mask, XI_KeyPress); + XISelectEvents (dpy, winId(), &eventmask, 1); + + // finally, grab all focuses + int ndevices; + XIDeviceInfo* devices = XIQueryDevice(dpy, XIAllMasterDevices, &ndevices); + for (int i = 0; i < ndevices; ++i) { + if (devices[i].use != XIMasterKeyboard) continue; + qDebug() << "Found master keyboard with ID" << devices[i].deviceid; + XISetFocus(dpy, devices[i].deviceid, winId(), CurrentTime); + } + xiInited = true; + + return false; + } + else if (xiInited && event->type == GenericEvent + && event->xcookie.type == GenericEvent && event->xcookie.extension == xiOpcode + && event->xcookie.evtype == XI_KeyPress && XGetEventData(dpy, &event->xcookie)) { + /* Handle XI event */ XIDeviceEvent *d_ev = (XIDeviceEvent*) event->xcookie.data; KeyCode keycode = d_ev->detail; int kbdid = d_ev->deviceid; @@ -88,6 +93,7 @@ bool MultypoWindow::handleX11Event(XEvent *event) return true; } - - return false; + else { + return false; + } } diff --git a/qt/multypo.h b/qt/multypo.h index f10a5d4..b9dbf3f 100644 --- a/qt/multypo.h +++ b/qt/multypo.h @@ -15,9 +15,6 @@ public: bool handleX11Event(XEvent *event); -protected: - virtual void showEvent (QShowEvent *); - private: void handleKeyPress(int device, QString string);