Applied patch from Tom Chadwick to synthesize PageUp/PageDown on

X servers that don't support the mouse wheel.
This commit is contained in:
crs 2004-12-30 11:54:23 +00:00
parent 3ae1b916ea
commit 1d0436b31c
2 changed files with 19 additions and 0 deletions

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@ -24,6 +24,10 @@
<td><a href="mailto:bertrand@landryhetu.com">Bertrand Landry Hetu</a></td> <td><a href="mailto:bertrand@landryhetu.com">Bertrand Landry Hetu</a></td>
<td>Mac OS X port</td> <td>Mac OS X port</td>
</tr> </tr>
<tr>
<td><a href="mailto:vttom@users.sourceforge.net">Tom Chadwick</a></td>
<td>PageUp/PageDown on X servers without mouse wheel support</td>
</tr>
</table> </table>
</p> </p>
</body> </body>

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@ -31,6 +31,7 @@
#else #else
# include <X11/X.h> # include <X11/X.h>
# include <X11/Xutil.h> # include <X11/Xutil.h>
# define XK_MISCELLANY
# define XK_XKB_KEYS # define XK_XKB_KEYS
# include <X11/keysymdef.h> # include <X11/keysymdef.h>
# if HAVE_X11_EXTENSIONS_XTEST_H # if HAVE_X11_EXTENSIONS_XTEST_H
@ -583,6 +584,20 @@ CXWindowsScreen::fakeMouseWheel(SInt32 delta) const
const unsigned int xButton = mapButtonToX(static_cast<ButtonID>( const unsigned int xButton = mapButtonToX(static_cast<ButtonID>(
(delta >= 0) ? -1 : -2)); (delta >= 0) ? -1 : -2));
if (xButton == 0) { if (xButton == 0) {
// If we get here, then the XServer does not support the scroll
// wheel buttons, so send PageUp/PageDown keystrokes instead.
// Patch by Tom Chadwick.
KeyCode keycode = 0;
if (delta >= 0) {
keycode = XKeysymToKeycode(m_display, XK_Page_Up);
}
else {
keycode = XKeysymToKeycode(m_display, XK_Page_Down);
}
if (keycode != 0) {
XTestFakeKeyEvent(m_display, keycode, True, CurrentTime);
XTestFakeKeyEvent(m_display, keycode, False, CurrentTime);
}
return; return;
} }