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Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection.cpp')
-rw-r--r--src/plugins/platforms/xcb/qxcbconnection.cpp251
1 files changed, 237 insertions, 14 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 191699bd84..7ad12fe8b1 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -47,6 +47,7 @@
#include <QtAlgorithms>
#include <QSocketNotifier>
#include <QtGui/private/qapplication_p.h>
+#include <QAbstractEventDispatcher>
#include <QtCore/QDebug>
@@ -104,6 +105,8 @@ QXcbConnection::QXcbConnection(const char *displayName)
#endif //XCB_USE_XLIB
m_setup = xcb_get_setup(xcb_connection());
+ initializeAllAtoms();
+
xcb_screen_iterator_t it = xcb_setup_roots_iterator(m_setup);
int screenNumber = 0;
@@ -112,16 +115,19 @@ QXcbConnection::QXcbConnection(const char *displayName)
xcb_screen_next(&it);
}
- QSocketNotifier *socket = new QSocketNotifier(xcb_get_file_descriptor(xcb_connection()), QSocketNotifier::Read, this);
- connect(socket, SIGNAL(activated(int)), this, SLOT(eventDispatcher()));
-
m_keyboard = new QXcbKeyboard(this);
- initializeAllAtoms();
-
#ifdef XCB_USE_DRI2
initializeDri2();
#endif
+
+ QSocketNotifier *notifier = new QSocketNotifier(xcb_get_file_descriptor(xcb_connection()), QSocketNotifier::Read, this);
+ connect(notifier, SIGNAL(activated(int)), this, SLOT(processXcbEvents()));
+
+ QAbstractEventDispatcher *dispatcher = QAbstractEventDispatcher::instance(qApp->thread());
+ connect(dispatcher, SIGNAL(aboutToBlock()), this, SLOT(processXcbEvents()));
+
+ sync();
}
QXcbConnection::~QXcbConnection()
@@ -148,8 +154,11 @@ QXcbWindow *platformWindowFromId(xcb_window_t id)
#define HANDLE_PLATFORM_WINDOW_EVENT(event_t, window, handler) \
{ \
event_t *e = (event_t *)event; \
- if (QXcbWindow *platformWindow = platformWindowFromId(e->window)) \
- platformWindow->handler(e); \
+ if (QXcbWindow *platformWindow = platformWindowFromId(e->window)) { \
+ QObjectPrivate *d = QObjectPrivate::get(platformWindow->widget()); \
+ if (!d->wasDeleted) \
+ platformWindow->handler(e); \
+ } \
} \
break;
@@ -166,9 +175,9 @@ break;
void printXcbEvent(const char *message, xcb_generic_event_t *event)
{
#ifdef XCB_EVENT_DEBUG
-#define PRINT_XCB_EVENT(event) \
- case event: \
- printf("%s: %d - %s\n", message, event, #event); \
+#define PRINT_XCB_EVENT(ev) \
+ case ev: \
+ printf("%s: %d - %s - sequence: %d\n", message, int(ev), #ev, event->sequence); \
break;
switch (event->response_type & ~0x80) {
@@ -205,7 +214,7 @@ void printXcbEvent(const char *message, xcb_generic_event_t *event)
PRINT_XCB_EVENT(XCB_CLIENT_MESSAGE);
PRINT_XCB_EVENT(XCB_MAPPING_NOTIFY);
default:
- printf("%s: %d - %s\n", message, event->response_type, "unknown");
+ printf("%s: unknown event - response_type: %d - sequence: %d\n", message, int(event->response_type & ~0x80), int(event->sequence));
}
#else
Q_UNUSED(message);
@@ -213,11 +222,216 @@ void printXcbEvent(const char *message, xcb_generic_event_t *event)
#endif
}
-void QXcbConnection::eventDispatcher()
+const char *xcb_errors[] =
+{
+ "Success",
+ "BadRequest",
+ "BadValue",
+ "BadWindow",
+ "BadPixmap",
+ "BadAtom",
+ "BadCursor",
+ "BadFont",
+ "BadMatch",
+ "BadDrawable",
+ "BadAccess",
+ "BadAlloc",
+ "BadColor",
+ "BadGC",
+ "BadIDChoice",
+ "BadName",
+ "BadLength",
+ "BadImplementation",
+ "Unknown"
+};
+
+const char *xcb_protocol_request_codes[] =
+{
+ "Null",
+ "CreateWindow",
+ "ChangeWindowAttributes",
+ "GetWindowAttributes",
+ "DestroyWindow",
+ "DestroySubwindows",
+ "ChangeSaveSet",
+ "ReparentWindow",
+ "MapWindow",
+ "MapSubwindows",
+ "UnmapWindow",
+ "UnmapSubwindows",
+ "ConfigureWindow",
+ "CirculateWindow",
+ "GetGeometry",
+ "QueryTree",
+ "InternAtom",
+ "GetAtomName",
+ "ChangeProperty",
+ "DeleteProperty",
+ "GetProperty",
+ "ListProperties",
+ "SetSelectionOwner",
+ "GetSelectionOwner",
+ "ConvertSelection",
+ "SendEvent",
+ "GrabPointer",
+ "UngrabPointer",
+ "GrabButton",
+ "UngrabButton",
+ "ChangeActivePointerGrab",
+ "GrabKeyboard",
+ "UngrabKeyboard",
+ "GrabKey",
+ "UngrabKey",
+ "AllowEvents",
+ "GrabServer",
+ "UngrabServer",
+ "QueryPointer",
+ "GetMotionEvents",
+ "TranslateCoords",
+ "WarpPointer",
+ "SetInputFocus",
+ "GetInputFocus",
+ "QueryKeymap",
+ "OpenFont",
+ "CloseFont",
+ "QueryFont",
+ "QueryTextExtents",
+ "ListFonts",
+ "ListFontsWithInfo",
+ "SetFontPath",
+ "GetFontPath",
+ "CreatePixmap",
+ "FreePixmap",
+ "CreateGC",
+ "ChangeGC",
+ "CopyGC",
+ "SetDashes",
+ "SetClipRectangles",
+ "FreeGC",
+ "ClearArea",
+ "CopyArea",
+ "CopyPlane",
+ "PolyPoint",
+ "PolyLine",
+ "PolySegment",
+ "PolyRectangle",
+ "PolyArc",
+ "FillPoly",
+ "PolyFillRectangle",
+ "PolyFillArc",
+ "PutImage",
+ "GetImage",
+ "PolyText8",
+ "PolyText16",
+ "ImageText8",
+ "ImageText16",
+ "CreateColormap",
+ "FreeColormap",
+ "CopyColormapAndFree",
+ "InstallColormap",
+ "UninstallColormap",
+ "ListInstalledColormaps",
+ "AllocColor",
+ "AllocNamedColor",
+ "AllocColorCells",
+ "AllocColorPlanes",
+ "FreeColors",
+ "StoreColors",
+ "StoreNamedColor",
+ "QueryColors",
+ "LookupColor",
+ "CreateCursor",
+ "CreateGlyphCursor",
+ "FreeCursor",
+ "RecolorCursor",
+ "QueryBestSize",
+ "QueryExtension",
+ "ListExtensions",
+ "ChangeKeyboardMapping",
+ "GetKeyboardMapping",
+ "ChangeKeyboardControl",
+ "GetKeyboardControl",
+ "Bell",
+ "ChangePointerControl",
+ "GetPointerControl",
+ "SetScreenSaver",
+ "GetScreenSaver",
+ "ChangeHosts",
+ "ListHosts",
+ "SetAccessControl",
+ "SetCloseDownMode",
+ "KillClient",
+ "RotateProperties",
+ "ForceScreenSaver",
+ "SetPointerMapping",
+ "GetPointerMapping",
+ "SetModifierMapping",
+ "GetModifierMapping",
+ "Unknown"
+};
+
+#ifdef Q_XCB_DEBUG
+void QXcbConnection::log(const char *file, int line, int sequence)
+{
+ CallInfo info;
+ info.sequence = sequence;
+ info.file = file;
+ info.line = line;
+ m_callLog << info;
+}
+#endif
+
+void QXcbConnection::handleXcbError(xcb_generic_error_t *error)
+{
+ uint clamped_error_code = qMin<uint>(error->error_code, (sizeof(xcb_errors) / sizeof(xcb_errors[0])) - 1);
+ uint clamped_major_code = qMin<uint>(error->major_code, (sizeof(xcb_protocol_request_codes) / sizeof(xcb_protocol_request_codes[0])) - 1);
+
+ printf("XCB error: %d (%s), sequence: %d, resource id: %d, major code: %d (%s), minor code: %d\n",
+ int(error->error_code), xcb_errors[clamped_error_code],
+ int(error->sequence), int(error->resource_id),
+ int(error->major_code), xcb_protocol_request_codes[clamped_major_code],
+ int(error->minor_code));
+#ifdef Q_XCB_DEBUG
+ int i = 0;
+ for (; i < m_callLog.size(); ++i) {
+ if (m_callLog.at(i).sequence == error->sequence) {
+ printf("Caused by: %s:%d\n", qPrintable(m_callLog.at(i).file), m_callLog.at(i).line);
+ break;
+ } else if (m_callLog.at(i).sequence > error->sequence) {
+ printf("Caused some time before: %s:%d\n", qPrintable(m_callLog.at(i).file), m_callLog.at(i).line);
+ if (i > 0)
+ printf("and after: %s:%d\n", qPrintable(m_callLog.at(i-1).file), m_callLog.at(i-1).line);
+ break;
+ }
+ }
+ if (i == m_callLog.size() && !m_callLog.isEmpty())
+ printf("Caused some time after: %s:%d\n", qPrintable(m_callLog.first().file), m_callLog.first().line);
+#endif
+}
+
+void QXcbConnection::processXcbEvents()
{
while (xcb_generic_event_t *event = xcb_poll_for_event(xcb_connection())) {
bool handled = true;
- switch (event->response_type & ~0x80) {
+
+ uint response_type = event->response_type & ~0x80;
+
+ if (!response_type) {
+ handleXcbError((xcb_generic_error_t *)event);
+ continue;
+ }
+
+#ifdef Q_XCB_DEBUG
+ {
+ int i = 0;
+ for (; i < m_callLog.size(); ++i)
+ if (m_callLog.at(i).sequence >= event->sequence)
+ break;
+ m_callLog.remove(0, i);
+ }
+#endif
+
+ switch (response_type) {
case XCB_EXPOSE:
HANDLE_PLATFORM_WINDOW_EVENT(xcb_expose_event_t, window, handleExposeEvent);
case XCB_BUTTON_PRESS:
@@ -247,13 +461,15 @@ void QXcbConnection::eventDispatcher()
break;
default:
handled = false;
- return;
+ break;
}
if (handled)
printXcbEvent("Handled XCB event", event);
else
printXcbEvent("Unhandled XCB event", event);
}
+
+ xcb_flush(xcb_connection());
}
static const char * xcb_atomnames = {
@@ -447,6 +663,13 @@ void QXcbConnection::initializeAllAtoms() {
m_allAtoms[i] = xcb_intern_atom_reply(xcb_connection(), cookies[i], 0)->atom;
}
+void QXcbConnection::sync()
+{
+ // from xcb_aux_sync
+ xcb_get_input_focus_cookie_t cookie = Q_XCB_CALL(xcb_get_input_focus(xcb_connection()));
+ free(xcb_get_input_focus_reply(xcb_connection(), cookie, 0));
+}
+
#if defined(XCB_USE_EGL)
bool QXcbConnection::hasEgl() const
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-16 04:19:49 +0000