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XQuartz: Workaround OSX VNC server bug for modifier key state

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A better approach which ensures we have a L modifier key down if we are told neither are down and atleast one is down... =/
This commit is contained in:
Jeremy Huddleston 2008-12-29 19:38:31 -08:00
parent 10c7441046
commit bc13dda345
1 changed files with 35 additions and 2 deletions
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37
hw/xquartz/X11Application.m
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@ -921,6 +921,18 @@ void X11ApplicationMain (int argc, char **argv, char **envp) {
@implementation X11Application (Private)
extern int darwin_modifier_flags; // darwinEvents.c
#ifdef NX_DEVICELCMDKEYMASK
/* This is to workaround a bug in the VNC server where we sometimes see the L
* modifier and sometimes see no "side"
*/
static inline int ensure_flag(int flags, int device_independent, int device_dependents, int device_dependent_default) {
if( (flags & device_independent) &&
!(flags & device_dependents))
flags |= device_dependent_default;
return flags;
}
#endif
- (void) sendX11NSEvent:(NSEvent *)e {
NSRect screen;
NSPoint location;
@ -928,6 +940,7 @@ extern int darwin_modifier_flags; // darwinEvents.c
int ev_button, ev_type;
float pointer_x, pointer_y, pressure, tilt_x, tilt_y;
DeviceIntPtr pDev;
int modifierFlags;
/* convert location to be relative to top-left of primary display */
location = [e locationInWindow];
@ -949,12 +962,32 @@ extern int darwin_modifier_flags; // darwinEvents.c
tilt_x = 0;
tilt_y = 0;
modifierFlags = [e modifierFlags];
/* These are the "only" modifier keys we care about */
modifierFlags &= (NX_COMMANDMASK | NX_CONTROLMASK | NX_ALTERNATEMASK | NX_SHIFTMASK |
NX_SECONDARYFNMASK | NX_ALPHASHIFTMASK | NX_NUMERICPADMASK |
NX_HELPMASK | NX_DEVICELCTLKEYMASK | NX_DEVICELSHIFTKEYMASK |
NX_DEVICERSHIFTKEYMASK | NX_DEVICELCMDKEYMASK | NX_DEVICERCMDKEYMASK |
NX_DEVICELALTKEYMASK | NX_DEVICERALTKEYMASK | NX_DEVICERCTLKEYMASK);
#ifdef NX_DEVICELCMDKEYMASK
/* This is to workaround a bug in the VNC server where we sometimes see the L
* modifier and sometimes see no "side"
*/
modifierFlags = ensure_flag(modifierFlags, NX_CONTROLMASK, NX_DEVICELCTLKEYMASK | NX_DEVICERCTLKEYMASK, NX_DEVICELCTLKEYMASK);
modifierFlags = ensure_flag(modifierFlags, NX_SHIFTMASK, NX_DEVICELSHIFTKEYMASK | NX_DEVICERSHIFTKEYMASK, NX_DEVICELSHIFTKEYMASK);
modifierFlags = ensure_flag(modifierFlags, NX_COMMANDMASK, NX_DEVICELCMDKEYMASK | NX_DEVICERCMDKEYMASK, NX_DEVICELCMDKEYMASK);
modifierFlags = ensure_flag(modifierFlags, NX_ALTERNATEMASK, NX_DEVICELALTKEYMASK | NX_DEVICERALTKEYMASK, NX_DEVICELALTKEYMASK);
#endif
/* We don't receive modifier key events while out of focus, and 3button
* emulation mucks this up, so we need to check our modifier flag state
* on every event... ugg
*/
if(darwin_modifier_flags != [e modifierFlags])
DarwinUpdateModKeys([e modifierFlags]);
if(darwin_modifier_flags != modifierFlags)
DarwinUpdateModKeys(modifierFlags);
switch ([e type]) {
case NSLeftMouseDown: ev_button=1; ev_type=ButtonPress; goto handle_mouse;