void InitKeyboardFocus (void)
{
ClientData *pCD;
Boolean sameScreen;
Boolean focusSet = False;
int scr;
int junk;
Window junk_win, root_returned;
int currentX, currentY;
/*
* Set the keyboard focus based on the keyboard focus policy.
*/
wmGD.keyboardFocus = NULL;
wmGD.nextKeyboardFocus = NULL;
for (scr = 0; scr < wmGD.numScreens; scr++)
{
if (wmGD.Screens[scr].managed)
{
wmGD.Screens[scr].focusPriority = 0;
if (wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER)
{
/*
* Set the keyboard focus to the window that
* currently contains the pointer.
*/
pCD = GetClientUnderPointer (&sameScreen);
if (wmGD.colormapFocusPolicy == CMAP_FOCUS_POINTER)
{
/*
* Do some colormap installation that has been
* deferred from the InitColormapFocus routine.
*/
SetColormapFocus (ACTIVE_PSD, pCD);
}
if (pCD)
{
Do_Focus_Key (pCD, GetTimestamp (), ALWAYS_SET_FOCUS);
focusSet = True;
}
}
else
{
ButtonSpec *buttonSpec;
/*
* Prepare to do explicit selection button grabs.
*/
buttonSpec = wmGD.Screens[scr].buttonSpecs;
while (buttonSpec)
{
if ((buttonSpec->button == FOCUS_SELECT_BUTTON) &&
(buttonSpec->context & F_CONTEXT_WINDOW) &&
(buttonSpec->subContext & F_SUBCONTEXT_W_CLIENT))
{
if (buttonSpec->state == 0)
{
removeSelectGrab = False;
}
}
buttonSpec = buttonSpec->nextButtonSpec;
}
}
}
}
if (!focusSet)
{
/*
* This is keyboard focus policy is either "explicit" or it it
* "pointer"
* and there is no window under the pointer. No window currently has
* the keyboard input focus. Set the keyboard focus to the window
* manager default (non-client) OR to the last client with focus.
*
* In Mwm 1.1.4 and later, calling Do_Focus_Key with NULL will try
* to find a 'reasonable' window to put focus. This means that on
* startup and restarts, a Mwm window will have focus! Yeah!
*/
/*
* Set Active Screen First
*/
if (XQueryPointer(DISPLAY, DefaultRootWindow(DISPLAY),
&root_returned, &junk_win,
¤tX, ¤tY,
&junk, &junk, (unsigned int *)&junk))
{
for (scr = 0; scr < wmGD.numScreens; scr++)
{
if (wmGD.Screens[scr].managed &&
wmGD.Screens[scr].rootWindow == root_returned)
{
SetActiveScreen(&(wmGD.Screens[scr]));
break;
}
}
}
Do_Focus_Key ((ClientData *)NULL, CurrentTime, ALWAYS_SET_FOCUS);
}
} /* END OF FUNCTION InitKeyboardFocus */
void TimeoutProc (caddr_t client_data, XtIntervalId *id)
{
WmTimer *pPrevTimer;
WmTimer *pWmTimer;
/*
* Find out if the timer still needs to be serviced.
*/
pPrevTimer = NULL;
pWmTimer = wmGD.wmTimers;
while (pWmTimer)
{
if (pWmTimer->timerId == *id)
{
break;
}
pPrevTimer = pWmTimer;
pWmTimer = pWmTimer->nextWmTimer;
}
if (pWmTimer)
{
/*
* Do the timer related action.
*/
switch (pWmTimer->timerType)
{
case TIMER_QUIT:
{
XKillClient (DISPLAY, pWmTimer->timerCD->client);
break;
}
case TIMER_RAISE:
{
Boolean sameScreen;
if ((wmGD.keyboardFocus == pWmTimer->timerCD) &&
(pWmTimer->timerCD->focusPriority ==
(PSD_FOR_CLIENT(pWmTimer->timerCD))->focusPriority) &&
(wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER) &&
(pWmTimer->timerCD == GetClientUnderPointer(&sameScreen)))
{
Do_Raise (pWmTimer->timerCD, (ClientListEntry *)NULL, STACK_NORMAL);
}
break;
}
}
/*
* Remove the timer from the wm timer list.
*/
if (pPrevTimer)
{
pPrevTimer->nextWmTimer = pWmTimer->nextWmTimer;
}
else
{
wmGD.wmTimers = pWmTimer->nextWmTimer;
}
XtFree ((char *)pWmTimer);
}
/*
* Free up the timer.
*/
XtRemoveTimeOut (*id);
} /* END OF FUNCTION TimeoutProc */
void SetKeyboardFocus (ClientData *pCD, long focusFlags)
{
ClientData *currentFocus;
/*
* Don't set the keyboard input focus if it is already set to
* the client window.
*/
if (wmGD.keyboardFocus == pCD)
{
return;
}
currentFocus = wmGD.keyboardFocus;
ACTIVE_PSD->focusPriority++;
/*
* If the keyboard input focus policy is "explicit" then reset the
* selection button event handling.
*/
if (wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_EXPLICIT)
{
/*
* Reset explicit focus selection event tracking on the last focus
* window (reset the passive grab on the focus button).
*/
if (currentFocus)
{
ResetExplicitSelectHandling (currentFocus);
wmGD.keyboardFocus = NULL;
}
if (pCD && ((pCD->clientState == NORMAL_STATE) ||
(pCD->clientState == MAXIMIZED_STATE)))
{
/*
* The focus is to be set to a client window (not the root).
* Stop explicit focus selection event tracking on the new focus
* window.
*/
if (removeSelectGrab)
{
WmUngrabButton (DISPLAY, FOCUS_SELECT_BUTTON, 0,
pCD->clientBaseWin);
}
}
}
wmGD.keyboardFocus = pCD;
/*
* Do focus auto raise if specified.
*/
if (pCD && pCD->focusAutoRaise)
{
if (wmGD.autoRaiseDelay &&
(wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER))
{
AddWmTimer (TIMER_RAISE, (unsigned long)wmGD.autoRaiseDelay,
pCD);
}
else
{
Boolean sameScreen;
if (((wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_EXPLICIT) &&
(!pCD->focusAutoRaiseDisabled)) ||
((wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER) &&
(pCD == GetClientUnderPointer (&sameScreen))))
{
Do_Raise (pCD, (ClientListEntry *)NULL, STACK_NORMAL);
}
}
}
/*
* Clear the focus indication if it is set for a client window or icon.
*/
if (currentFocus)
{
ClearFocusIndication (currentFocus,
((focusFlags & REFRESH_LAST_FOCUS) ? True : False));
}
/*
* Install the client window colormap if the colormap focus policy is
* "keyboard".
*/
if ((wmGD.colormapFocusPolicy == CMAP_FOCUS_KEYBOARD) &&
(!(focusFlags & SCREEN_SWITCH_FOCUS)))
{
SetColormapFocus (ACTIVE_PSD, pCD);
}
/*
* Set the focus window or icon visual indication.
*/
if (pCD)
{
pCD->focusPriority = ACTIVE_PSD->focusPriority;
SetFocusIndication (pCD);
}
} /* END OF FUNCTION SetKeyboardFocus */