AuroraMiddleware/qt5base-lts
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XCB: do not assume that sizeof(long)==4

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The code was using the "long" type when a 32 bit type was actually
needed. This can cause bugs in those systems where "long" is 64 bits
wide, such as Linux x86-64 (which is LP64).

Task-number: QTBUG-34861
Change-Id: Iab289b2af3847dd62d8b4ecea51896936ca4c7a2
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>
This commit is contained in:
Alberto Mardegan 2013-11-15 13:26:12 +02:00 committed by The Qt Project
parent 09644cb12f
commit 911cfc4e90
2 changed files with 8 additions and 8 deletions
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12
src/plugins/platforms/xcb/qxcbwindow.cpp
View File

@ -154,7 +154,7 @@ enum QX11EmbedMessageType {
XEMBED_ACTIVATE_ACCELERATOR = 14
};
const long XEMBED_VERSION = 0;
const quint32 XEMBED_VERSION = 0;
// Returns \c true if we should set WM_TRANSIENT_FOR on \a w
static inline bool isTransient(const QWindow *w)
@ -403,7 +403,7 @@ void QXcbWindow::create()
}
// set the PID to let the WM kill the application if unresponsive
long pid = getpid();
quint32 pid = getpid();
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
1, &pid));
@ -422,7 +422,7 @@ void QXcbWindow::create()
1, &leader));
/* Add XEMBED info; this operation doesn't initiate the embedding. */
long data[] = { XEMBED_VERSION, XEMBED_MAPPED };
quint32 data[] = { XEMBED_VERSION, XEMBED_MAPPED };
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_XEMBED_INFO),
atom(QXcbAtom::_XEMBED_INFO),
@ -1824,7 +1824,7 @@ void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *ev
xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
if (reply && reply->format == 32 && reply->type == wmStateAtom) {
const long *data = (const long *)xcb_get_property_value(reply);
const quint32 *data = (const quint32 *)xcb_get_property_value(reply);
if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0])
newState = Qt::WindowMinimized;
}
@ -1995,8 +1995,8 @@ bool QXcbWindow::startSystemResize(const QPoint &pos, Qt::Corner corner)
}
// Sends an XEmbed message.
void QXcbWindow::sendXEmbedMessage(xcb_window_t window, long message,
long detail, long data1, long data2)
void QXcbWindow::sendXEmbedMessage(xcb_window_t window, quint32 message,
quint32 detail, quint32 data1, quint32 data2)
{
xcb_client_message_event_t event;

4
src/plugins/platforms/xcb/qxcbwindow.h
View File

@ -169,8 +169,8 @@ private:
void updateDoesNotAcceptFocus(bool doesNotAcceptFocus);
QRect windowToWmGeometry(QRect r) const;
void sendXEmbedMessage(xcb_window_t window, long message,
long detail = 0, long data1 = 0, long data2 = 0);
void sendXEmbedMessage(xcb_window_t window, quint32 message,
quint32 detail = 0, quint32 data1 = 0, quint32 data2 = 0);
void handleXEmbedMessage(const xcb_client_message_event_t *event);
void create();