sec-gdkevent.html

gtk 开发手册和参考文档。 包括gtk glib gdk等

              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"button_press_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_BUTTON_RELEASE</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"button_release_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_KEY_PRESS</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"key_press_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_KEY_RELEASE</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"key_release_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_ENTER_NOTIFY</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"enter_notify_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_LEAVE_NOTIFY</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"leave_notify_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                Yes [PD] footnote!
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_FOCUS_CHANGE</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"focus_in_event"</span>, <span
                class="SYMBOL">"focus_out_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_CONFIGURE</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"configure_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_MAP</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"map_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_UNMAP</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"unmap_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_PROPERTY_NOTIFY</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"property_notify_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_SELECTION_CLEAR</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"selection_clear_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">
                GDK_SELECTION_REQUEST</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">
                "selection_request_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">
                GDK_SELECTION_NOTIFY</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">
                "selection_notify_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_PROXIMITY_IN</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"proximity_in_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_PROXIMITY_OUT</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"proximity_out_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
              <td align="LEFT" valign="TOP">
                Yes
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_CLIENT_EVENT</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"client_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">
                GDK_VISIBILITY_NOTIFY</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">
                "visibility_notify_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GDK_NO_EXPOSE</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="SYMBOL">"no_expose_event"</span>
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
              <td align="LEFT" valign="TOP">
                No
              </td>
            </tr>
          </table>
        </div>
      </div>
      <div class="SECT2">
        <h2 class="SECT2">
          <a name="Z119">Button Events</a>
        </h2>
        <p>
          Four different event types result in a <span class= 
          "STRUCTNAME">GdkEventButton</span>:
        </p>
        <ul>
          <li>
            <p>
              <span class="STRUCTNAME">GDK_BUTTON_PRESS</span>
              means a mouse button was pressed down.&#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">GDK_BUTTON_RELEASE</span>
              means a button was released after being pressed down.
              Will not necessarily be received after a button press
              event: if the user moves the mouse to a different
              <span class="STRUCTNAME">GdkWindow</span>, that
              window will receive it instead.&#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">GDK_2BUTTON_PRESS</span>
              means a mouse button was pressed down twice in a
              short interval---a "double click." Always preceded by
              a <span class="STRUCTNAME">
              GDK_BUTTON_PRESS</span>/<span class=
              "STRUCTNAME">GDK_BUTTON_RELEASE</span> pair for the
              first click. &#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">GDK_3BUTTON_PRESS</span>
              means a mouse button was pressed down three times in
              a short interval; a "triple click." Preceded by two
              <span class="STRUCTNAME">
              GDK_BUTTON_PRESS</span>/<span class=
              "STRUCTNAME">GDK_BUTTON_RELEASE</span> pairs and
              <span class="STRUCTNAME">GDK_2BUTTON_PRESS</span>.
              &#13;
            </p>
          </li>
        </ul>
        <p>
          If you click three times quickly, on the same <span
          class="STRUCTNAME">GdkWindow</span>, the following events
          are received in order:
        </p>
        <ol type="1">
          <li>
            <p>
              <span class="STRUCTNAME">GDK_BUTTON_PRESS</span>&#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">
              GDK_BUTTON_RELEASE</span>&#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">GDK_BUTTON_PRESS</span>&#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">
              GDK_2BUTTON_PRESS</span>&#13;
            </p>
          </li>
          <li>
            <p>
              <span class="STRUCTNAME">
              GDK_BUTTON_RELEASE</span>&#13;
            </p>
          </li>
          <li>
            <p>