diff options
author | Gatis Paeglis <gatis.paeglis@digia.com> | 2012-10-03 14:53:33 +0200 |
---|---|---|
committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-10-13 05:51:19 +0200 |
commit | ce81da52ea1fffa67188e19eb9dbba66501dd82f (patch) | |
tree | 579c8ba02a35252b69b39296cfe79c283e5c1953 /src/plugins/platforms/xcb/qxcbconnection.h | |
parent | befea1d93285bdf2ea8134718fb9c74a89bc551e (diff) |
Make sure timestamp is initialized before using it for seting selection owner.
Convention from icccm: Clients attempting to acquire a selection must set
the time value of the xcb_set_selection_owner request to the timestamp of
the event triggering the acquisition attempt, not to XCB_CURRENT_TIME. In
some cases it happened that timestamp was set to XCB_CURRENT_TIME.
A zero-length append to a property is a way to obtain a timestamp for this
purpose; the timestamp is in the corresponding XCB_PROPERTY_NOTIFY event.
We used to have this mechanism in 4.8, it was achieved by XWindowEvent.
AFAIK there isn't an equivalent for XWindowEvent in XCB. Therefore i had to
introduce a new mechanism in QXcbConnection - getTimestamp. This function
blocks until it receives the requested event.
Change-Id: Ide46a4fdd44cf026fdd17a79d3c4b17741d1b7d4
Task-number: QTBUG-26783
Reviewed-by: Uli Schlachter <psychon@znc.in>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection.h')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h index 08dd304b3d..8a6c418788 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.h +++ b/src/plugins/platforms/xcb/qxcbconnection.h @@ -319,7 +319,6 @@ public: QByteArray atomName(xcb_atom_t atom); const char *displayName() const { return m_displayName.constData(); } - xcb_connection_t *xcb_connection() const { return m_connection; } const xcb_setup_t *setup() const { return m_setup; } const xcb_format_t *formatForDepth(uint8_t depth) const; @@ -380,6 +379,8 @@ public: bool hasXRandr() const { return has_randr_extension; } bool hasInputShape() const { return has_input_shape; } + xcb_timestamp_t getTimestamp(); + private slots: void processXcbEvents(); |