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/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* (c) Copyright 1989, 1990, 1991, 1992, 1993, 1994 OPEN SOFTWARE FOUNDATION, INC.
* ALL RIGHTS RESERVED
*/
/*
* Motif Release 1.2.4
*/
/*
* (c) Copyright 1987, 1988, 1989, 1990, 1993, 1994 HEWLETT-PACKARD COMPANY
* (c) Copyright 1993, 1994 International Business Machines Corp.
* (c) Copyright 1993, 1994 Sun Microsystems, Inc.
* (c) Copyright 1993, 1994 Novell, Inc.
*/
/*
* Included Files:
*/
#include "WmGlobal.h"
/*
* include extern functions
*/
#include "WmEvent.h"
#include "WmError.h"
#include "WmBackdrop.h"
#include "WmWrkspace.h"
#include "WmCDInfo.h"
#include "WmCDecor.h"
#include "WmCEvent.h"
#include "WmColormap.h"
#include "WmFunction.h"
#include "WmKeyFocus.h"
#include "WmPanelP.h" /* for typedef in WmManage.h */
#include "WmManage.h"
#include "WmMenu.h"
#include "WmICCC.h"
#include "WmProperty.h"
#include "WmWinInfo.h"
#include "WmWinState.h"
#include "WmResNames.h"
#include "WmResParse.h"
#include "WmParse.h"
#include "WmParseP.h"
#include "Dt/Wsm.h"
#include <Xm/RowColumnP.h> /* for MS_LastManagedMenuTime */
extern XmMenuState _XmGetMenuState();
/*
* FUNCTION PARSER TABLE
*/
typedef struct {
char * funcName;
Context greyedContext;
unsigned int resource;
long mgtMask;
WmFunction wmFunction;
Boolean (*parseProc)();
} FunctionTableEntry;
/*
* Global Variables:
*/
extern unsigned int buttonModifierMasks[];
int smAckState = SM_UNITIALIZED;
extern FunctionTableEntry functionTable[];
extern int F_NOP_INDEX;
#include <Xm/MenuShellP.h>
/*************************************<->*************************************
*
* InitEventHandling ()
*
*
* Description:
* -----------
* This function initializes window manager event handling in preparation
* for managing client windows.
*
*
* Inputs:
* ------
* wmGD = (keySpecs)
*
*************************************<->***********************************/
void InitEventHandling (void)
{
WmScreenData *pSD;
XSetWindowAttributes setAttributes;
unsigned long base_mask;
unsigned int n, scr;
/*
* Prepare to get root (workspace) window events that are used to
* manage client windows. Setup accelerator event processing.
*/
base_mask = SubstructureRedirectMask | FocusChangeMask;
/* handle entry of root window */
base_mask |= EnterWindowMask | LeaveWindowMask;
for (scr=0; scr<wmGD.numScreens; scr++)
{
pSD = &(wmGD.Screens[scr]);
if (pSD->managed)
{
setAttributes.event_mask = base_mask;
if (pSD->buttonBindings)
{
/*
* The desktop menu and button bindings for window
* manager functions use button press and button
* release events.
*/
setAttributes.event_mask |=
(ButtonPressMask | ButtonReleaseMask);
}
XChangeWindowAttributes (DISPLAY, pSD->rootWindow,
CWEventMask, &setAttributes);
/*
* Setup event handling for "accelerated" window management
* functions done with key bindings.
*/
if (pSD->keySpecs)
{
SetupKeyBindings (pSD->keySpecs, pSD->rootWindow,
GrabModeSync, F_CONTEXT_ALL);
}
if (pSD->acceleratorMenuCount)
{
for (n = 0; n < pSD->acceleratorMenuCount; n++)
{
SetupKeyBindings (
pSD->acceleratorMenuSpecs[n]->accelKeySpecs,
pSD->rootWindow, GrabModeSync, F_CONTEXT_ALL);
}
}
} /* end if (managed) */
} /* end for (all screens) */
} /* END OF FUNCTION InitEventHandling */
/*************************************<->*************************************
*
* _WmGrabMasks (modifiers, pnum_masks)
*
*
* Description:
* -----------
* This function returns a set of grab masks to use that effectively
* filters out the effects of locking modifiers. Redundant masks
* are removed.
*
*
* Inputs:
* ------
* modifiers - keymask of modifiers
*
* Outputs:
* ------
* *pnum_masks - number of masks returned
*
* Return:
* -------
* pointer to a NULL-terminated list of modifier masks. This memory is
* statically allocated and reused. Do no free or modify. Make a copy
* if you need to keep it.
*
*************************************<->***********************************/
static unsigned int *
_WmGrabMasks ( unsigned int modifiers, int *pnum_masks )
{
static unsigned int *pRetMasks = NULL;
static int len_ret_masks = 0;
int num_masks;
int num_ret_masks;
int i,j;
unsigned int mask;
/* count the number of masks in the lock sequence */
for (num_masks=0; wmGD.pLockMaskSequence[num_masks]; num_masks++);
/* insure we have enough space for our returned masks */
if ((pRetMasks == NULL) || (len_ret_masks < num_masks+2))
{
if (pRetMasks != NULL)
XtFree ((char *)pRetMasks);
len_ret_masks = num_masks+2;
pRetMasks = (unsigned int *)
XtCalloc (len_ret_masks, sizeof(unsigned int));
}
/* fill up the array of masks we return */
num_ret_masks = 0;
for (i=0; i<num_masks; i++)
{
/* combine with this set of locking mods */
mask = (modifiers | wmGD.pLockMaskSequence[i]);
/* skip if exact match */
if (mask == modifiers) continue;
/* add this mask to the list if not already there */
for (j=0; j<num_ret_masks; j++)
{
if (mask == pRetMasks[j])
break;
}
if (j >= num_ret_masks)
{
/* we don't have this mask yet, add it */
pRetMasks[num_ret_masks] = mask;
num_ret_masks++;
}
}
/*
* Add the original mask to the list at the end
*/
pRetMasks[num_ret_masks++] = modifiers;
pRetMasks[num_ret_masks] = 0; /* terminator */
*pnum_masks = num_ret_masks;
return (pRetMasks);
}
/*************************************<->*************************************
*
* WmGrabKey (display, keycode, modifiers, grab_window, owner_events,
* pointer_mode, keyboard_mode)
*
*
* Description:
* -----------
* This function does several grabs on a key to make sure the
* key is grabbed irrespective of the state of locking modifiers
* It is a wrapper for XGrabKey, so the parameters are all the
* same.
*
*
* Inputs:
* ------
* display - X server connection
* keycode - keycode to grab
* modifiers - keymask of modifiers
* grab_window - window to do grab on
* owner_events - does app receive events normally?
* pointer_mode - pointer event processing during grab
* keyboard_mode - keyboard event processing during grab
* wmGD.pLockMaskSequence - extra modifier masks to grab with
*
* Return:
* -------
* The function is asynchronous.
*
*************************************<->***********************************/
void
WmGrabKey (
Display *display,
int keycode,
unsigned int modifiers,
Window grab_window,
Bool owner_events,
int pointer_mode,
int keyboard_mode
)
{
unsigned int *pGrabMasks;
int i, num_masks;
pGrabMasks = _WmGrabMasks (modifiers, &num_masks);
for (i=0; i<num_masks; i++, pGrabMasks++)
{
XGrabKey (display, keycode, *pGrabMasks, grab_window,
owner_events, pointer_mode, keyboard_mode);
}
}
/*************************************<->*************************************
*
* WmGrabButton (display, button, modifiers, grab_window, owner_events,
* event_mask, pointer_mode, keyboard_mode, confine_to, cursor)
*
*
* Description:
* -----------
* This function does several grabs on a button to make sure the
* button is grabbed irrespective of the state of locking modifiers
* It is a wrapper for XGrabButton, so the parameters are all the
* same.
*
*
* Inputs:
* ------
* display - X server connection
* button - button to grab
* modifiers - keymask of modifiers
* grab_window - window to do grab on
* event_mask - event mask in effect during grab
* owner_events - does app receive events normally?
* pointer_mode - pointer event processing during grab
* keyboard_mode - keyboard event processing during grab
* confine_to - window to confine the pointer to
* cursor - cursor to be displayed during grab
* wmGD.pLockMaskSequence - extra modifier masks to grab with
*
* Return:
* -------
* The function is asynchronous.
*
*************************************<->***********************************/
void
WmGrabButton (
Display *display,
unsigned int button,
unsigned int modifiers,
Window grab_window,
unsigned int event_mask,
Bool owner_events,
int pointer_mode,
int keyboard_mode,
Window confine_to,
Cursor cursor
)
{
unsigned int *pGrabMasks;
int i, num_masks;
pGrabMasks = _WmGrabMasks (modifiers, &num_masks);
for (i=0; i<num_masks; i++, pGrabMasks++)
{
XGrabButton (display, button, *pGrabMasks, grab_window, event_mask,
owner_events, pointer_mode, keyboard_mode, confine_to,
cursor);
}
}
/*************************************<->*************************************
*
* WmUngrabButton (display, button, modifiers, grab_window)
*
*
* Description:
* -----------
* This function is the complement of WmGrabButton. It does several
* ungrabs on a button to undo the set of grabs done to ignore
* the state of locking modifiers.
*
* It is a wrapper for XUngrabButton, so the parameters are all the
* same.
*
*
* Inputs:
* ------
* display - X server connection
* button - button to grab
* modifiers - keymask of modifiers
* grab_window - window to do grab on
* wmGD.pLockMaskSequence - extra modifier masks to grab with
*
* Return:
* -------
* The function is asynchronous.
*
*************************************<->***********************************/
void
WmUngrabButton (
Display *display,
unsigned int button,
unsigned int modifiers,
Window grab_window
)
{
unsigned int *pGrabMasks;
int i, num_masks;
pGrabMasks = _WmGrabMasks (modifiers, &num_masks);
for (i=0; i<num_masks; i++, pGrabMasks++)
{
XUngrabButton (display, button, *pGrabMasks, grab_window);
}
}
/*************************************<->*************************************
*
* SetupKeyBindings (keySpecs, grabWindow, keyboardMode, context)
*
*
* Description:
* -----------
* This function sets up the event handling necessary to support user
* specified key bindings for window manager functions.
*
*
* Inputs:
* ------
* keySpecs = list of key bindings for window manager functions.
*
* grabWindow = window that is to be associated with the passive key grab.
*
* keyboardMode = indicates keyboard mode for grab.
*
* context = context of key binding to set
*
*
* Outputs:
* -------
* RETURN = number of key bindings set
*
*************************************<->***********************************/
int SetupKeyBindings (KeySpec *keySpecs, Window grabWindow, int keyboardMode, long context)
{
KeySpec *keySpec;
int setCount = 0;
Boolean iconContext;
/*
* Use key grabs to get the keys that invoke window manger functions.
*/
iconContext = (context == F_CONTEXT_ICON);
keySpec = keySpecs;
while (keySpec)
{
#ifdef OLD_CODE
if (((keySpec->context == F_CONTEXT_ICON) && iconContext) ||
((keySpec->context != F_CONTEXT_ICON) && !iconContext))
#endif
if (((F_CONTEXT_ICON == (keySpec->context ^
(F_CONTEXT_ICONBOX |
F_SUBCONTEXT_IB_IICON |
F_SUBCONTEXT_IB_WICON))) &&
iconContext) ||
((F_CONTEXT_ICON != (keySpec->context ^
(F_CONTEXT_ICONBOX |
F_SUBCONTEXT_IB_IICON |
F_SUBCONTEXT_IB_WICON))) &&
!iconContext))
{
WmGrabKey (DISPLAY, keySpec->keycode, keySpec->state, grabWindow,
False, GrabModeAsync, keyboardMode);
setCount++;
}
keySpec = keySpec->nextKeySpec;
}
return (setCount);
} /* END OF FUNCTION SetupKeyBindings */
/*************************************<->*************************************
*
* WmDispatchMenuEvent (event)
*
*
* Description:
* -----------
* This function detects and processes events that affect menu behavior that
* are NOT dispatched (processed) by the toolkit. The events may cause the
* menu to be unposted, may trigger hotspot processing, or may represent
* menu accelerators. This processing is generally done when the system
* menu is posted in "sticky" mode.
*
*
* Inputs:
* ------
* event = This is an X event that has been retrieved by XtNextEvent.
* wmGD.menuActive == nonNULL
*
*
* Outputs:
* -------
* RETURN = If True the event should be dispatched by the toolkit,
* otherwise the event should not be dispatched.
*
*************************************<->***********************************/
Boolean WmDispatchMenuEvent (XButtonEvent *event)
{
ClientData *pCD = wmGD.menuClient;
Boolean doXtDispatchEvent = True;
Boolean checkContext;
Context context = 0;
/* For fixing the bug CR 5227 */
XKeyEvent *keyEvent;
KeySpec *keySpecs;
MenuButton *menuBtnPtr;
if (event->type == KeyPress)
{
if (wmGD.menuActive->accelKeySpecs)
{
/*
* Check to see if the KeyPress is a menu accelerator
* (don't require context match for system menu accelerators).
* If so, the active menu will be unposted and the KeyPress event
* will not be sent on to the toolkit.
*/
checkContext = (!pCD || (pCD->systemMenuSpec != wmGD.menuActive));
if (checkContext)
{
if (pCD)
{
if (pCD->clientState == MINIMIZED_STATE)
{
context = F_CONTEXT_ICON;
}
else if (pCD->clientState == NORMAL_STATE)
{
context = F_CONTEXT_NORMAL;
}
else
{
context = F_CONTEXT_MAXIMIZE;
}
}
else
{
context = F_CONTEXT_ROOT;
}
}
/* Begin fixing CR 5227 */
keySpecs = wmGD.menuActive->accelKeySpecs;
keyEvent = (XKeyEvent *)event;
menuBtnPtr = wmGD.menuActive->menuButtons +
(wmGD.menuActive->menuButtonSize - 1);
while (keySpecs)
{
if ((keyEvent->keycode == keySpecs->keycode) &&
((keyEvent->state == keySpecs->state) ||
(NOLOCKMOD(keyEvent->state) == keySpecs->state))
&& ((!checkContext) || (context & keySpecs->context)))
{
doXtDispatchEvent =
XtIsSensitive(menuBtnPtr->buttonWidget);
break;
}
keySpecs = keySpecs->nextKeySpec;
menuBtnPtr--;
}
doXtDispatchEvent = doXtDispatchEvent &&
HandleKeyPress ((XKeyEvent *)event,
wmGD.menuActive->accelKeySpecs,
checkContext, context,
TRUE, (ClientData *)NULL);
}
if (wmGD.menuActive && wmGD.menuUnpostKeySpec)
{
if ((wmGD.menuUnpostKeySpec->keycode == event->button) &&
((wmGD.menuUnpostKeySpec->state == event->state) ||
(wmGD.menuUnpostKeySpec->state == NOLOCKMOD(event->state))))
{
/*
* This is an alternate key for unposting a menu from the
* keyboard (in addition to [ESC]).
*/
UnpostMenu (wmGD.menuActive);
doXtDispatchEvent = False;
}
}
}
else if (wmGD.checkHotspot &&
((event->type == ButtonPress) ||
(event->type == ButtonRelease)) &&
(event->x_root >= wmGD.hotspotRectangle.x) &&
(event->y_root >= wmGD.hotspotRectangle.y) &&
(event->x_root < (wmGD.hotspotRectangle.x +
(short) wmGD.hotspotRectangle.width)) &&
(event->y_root < (wmGD.hotspotRectangle.y +
(short) wmGD.hotspotRectangle.height))&&
(pCD ||
(wmGD.rootButtonClick && wmGD.clickData.clickPending)))
{
/* ^^^
* Added check for NULL pCD in the above condition.
* We should never get here with a NULL pCD, but,
* sometimes our UnmapCallback for a menu does not
* get called, so..., we get to this point because
* wmGD.menuActive is not cleared, but, wmGD.menuClient
* is set to NULL when we unmanage the client window.
*/
/*
* The event triggers hotspot processing for the system menu button
* or an icon.
*/
if (event->type == ButtonRelease)
{
if (pCD)
{
/*
* The system menu is posted from a system menu button or an
* icon. By doing a button release over the system menu button
* or icon the system menu that is posted is put into keyboard
* traversal mode.
*/
ProcessClickBRelease (event, pCD, wmGD.clickData.context,
wmGD.clickData.subContext);
if (wmGD.clickData.context == F_SUBCONTEXT_W_SYSTEM)
{
PopGadgetOut (pCD, FRAME_SYSTEM);
}
_XmGetMenuState(XtParent(pCD->systemMenuSpec->menuWidget))
->MS_LastManagedMenuTime = ((XButtonEvent *)event)->time;
doXtDispatchEvent = True;
}
else if ((!wmGD.clickData.pCD) &&
(((XButtonEvent *)event)->button == wmGD.clickData.button) &&
((((XButtonEvent *)event)->state ==
wmGD.clickData.releaseState) ||
(NOLOCKMOD(((XButtonEvent *)event)->state) ==
wmGD.clickData.releaseState)))
{
/*
* This is a button release over the root. Check for
* root menu click and keep the menu up in a sticky
* fashion.
*/
Time timeDiff;
/*
* Check click time
*/
if (((XButtonEvent *)event)->time > wmGD.clickData.time)
{
timeDiff =
((XButtonEvent *)event)->time - wmGD.clickData.time;
}
else
{
timeDiff =
~wmGD.clickData.time + ((XButtonEvent *)event)->time + 1;
}
if (timeDiff < wmGD.doubleClickTime)
{
_XmGetMenuState (XtParent(wmGD.menuActive->menuWidget))
->MS_LastManagedMenuTime =
((XButtonEvent *)event)->time;
doXtDispatchEvent = True;
}
wmGD.clickData.clickPending = False;
}
}
else
{
/*
* A button press over a system menu button or an icon when the
* system menu is posted indicates that a double-click action is
* to be done if appropriate and the menu is to be taken
* out of traversal mode (done by the menu widget).
*/
ProcessClickBPress (event, pCD, wmGD.clickData.context,
wmGD.clickData.subContext);
if (wmGD.clickData.subContext == F_SUBCONTEXT_W_SYSTEM)
{
PushGadgetIn (pCD, FRAME_SYSTEM);
}
if (wmGD.clickData.doubleClickContext == F_SUBCONTEXT_W_SYSTEM)
{
if (wmGD.systemButtonClick2 &&
(pCD->clientFunctions & MWM_FUNC_CLOSE))
{
/*
* Close the client window. Cancel other system menu
* button actions.
*/
UnpostMenu (pCD->systemMenuSpec);
F_Kill (NULL, pCD, (XEvent *) event);
doXtDispatchEvent = False;
}
}
else
if (wmGD.clickData.doubleClickContext == F_SUBCONTEXT_I_ALL)
{
/*
* Normalize the icon.
*/
int newState;
UnpostMenu (pCD->systemMenuSpec);
if (pCD->maxConfig)
{
newState = MAXIMIZED_STATE;
}
else
{
newState = NORMAL_STATE;
}
SetClientState (pCD, newState, event->time);
wmGD.clickData.clickPending = False;
wmGD.clickData.doubleClickPending = False;
doXtDispatchEvent = False;
}
else
if ((wmGD.clickData.doubleClickContext == F_SUBCONTEXT_IB_IICON)||
(wmGD.clickData.doubleClickContext == F_SUBCONTEXT_IB_WICON))
{
/*
* Raise the Window and Normalize
*/
UnpostMenu (pCD->systemMenuSpec);
F_Restore_And_Raise ((String)NULL, pCD, (XEvent *)NULL);
/* F_Normalize_And_Raise ((String)NULL, pCD, (XEvent *)NULL);
*/ doXtDispatchEvent = False;
}
/*
* Else no special button press processing; have the toolkit
* dispatch the event to the menu widgets.
*/
}
}
return (doXtDispatchEvent);
} /* END OF FUNCTION WmDispatchMenuEvent */
/*************************************<->*************************************
*
* WmDispatchWsEvent (event)
*
*
* Description:
* -----------
* This function detects and dispatches events that are reported to the root
* (workspace) window and that are not widget-related (i.e. they would not be
* dispatched by the Xtk intrinsics).
*
*
* Inputs:
* ------
* event = This is an X event that has been retrieved by XtNextEvent.
*
*
* Outputs:
* -------
* RETURN = If True the event should be dispatched by the toolkit,
* otherwise the event should not be dispatched.
*
*************************************<->***********************************/
Boolean WmDispatchWsEvent (XEvent *event)
{
ClientData *pCD;
Boolean dispatchEvent = False;
WmScreenData *pSD;
/*
* Detect and dispatch non-widget events that have been reported to
* the root window.
*/
switch (event->type)
{
case KeyPress:
{
/*
* The key press is to initiate some window management
* function (e.g., shuffle the client windows).
*/
dispatchEvent = HandleWsKeyPress ((XKeyEvent *)event);
break;
}
case ButtonPress:
{
/*
* The button press is to initiate some window management
* function (e.g., pop up the desktop menu).
*/
if (wmGD.menuActive)
{
dispatchEvent = True; /* have the toolkit dispatch the event */
}
else
{
HandleWsButtonPress ((XButtonEvent *)event);
}
break;
}
case ButtonRelease:
{
/*
* The button release may do some window management
* function.
*/
if (wmGD.menuActive)
{
dispatchEvent = True; /* have the toolkit dispatch the event */
}
else
{
HandleWsButtonRelease ((XButtonEvent *)event);
}
break;
}
case UnmapNotify:
{
/* BEGIN CR 5183 */
if ( (!XFindContext (DISPLAY, event->xunmap.window,
wmGD.windowContextType,
(XPointer *)&pCD)
)
&& (((XUnmapEvent *)event)->window == pCD->client)
)
/* END CR 5183 */
{
/*
* This is a synthetic UnmapNotity used to withdraw a client
* window form window manager control.
*/
UnManageWindow (pCD);
}
break;
}
case EnterNotify:
{
HandleWsEnterNotify ((XEnterWindowEvent *)event);
break;
}
case LeaveNotify:
{
HandleWsLeaveNotify ((XLeaveWindowEvent *)event);
break;
}
case ConfigureRequest:
{
HandleWsConfigureRequest ((XConfigureRequestEvent *)event);
break;
}
case MapRequest:
{
/*
* Determine if the window is already being managed:
*/
if ((XFindContext (DISPLAY, event->xmaprequest.window,
wmGD.windowContextType, (caddr_t *)&pCD)) &&
(pSD = GetScreenForWindow (event->xmaprequest.window)))
{
/*
* The window is not yet managed and it's parented to a
* screen/root window that we manage. Start to manage the
* new window. Management details are dependent on the
* type of the window. For a typical top-level application
* window reparent the window to a window frame, add it to
* the wm saveset, ...
*/
ManageWindow (pSD, event->xmaprequest.window, MANAGEW_NORMAL);
}
/* else ...
* The context information on the window WAS found.
* The window is already managed by the window manager
* so this is redundant request to have the client
* window managed.
*/
break;
}
case FocusIn:
{
HandleWsFocusIn ((XFocusInEvent *)event);
break;
}
case FocusOut:
{
break;
}
} /* end of event.type switch */
return (dispatchEvent);
} /* END OF FUNCTION WmDispatchWsEvent */
/*************************************<->*************************************
*
* HandleWsKeyPress (keyEvent)
*
*
* Description:
* -----------
* This function processes KeyPress events that are reported to the root
* window. These events are generally associated with accelerators.
*
*
* Inputs:
* ------
* keyEvent = pointer to a key press event on the root window.
*
* Output:
* ------
* RETURN = True is the event is to be dispatched by XtDispatch.
*
*************************************<->***********************************/
Boolean HandleWsKeyPress (XKeyEvent *keyEvent)
{
Boolean dispatchEvent = False;
Boolean checkKeyEvent = True;
unsigned int n;
Context context;
if (wmGD.menuActive)
{
/*
* The active menu accelerators have been checked and keyEvent was
* not one of them. We will check for pass keys mode and then
* have the toolkit dispatch the event, without searching any other
* key or accelerator specification list.
*/
dispatchEvent = True;
checkKeyEvent = False;
}
/*
* If pass keys is active then only check for getting out of the
* pass keys mode. Unfreeze the keyboard and replay the key if
* pass keys is active.
*/
if (wmGD.passKeysActive)
{
if (wmGD.passKeysKeySpec &&
((wmGD.passKeysKeySpec->state == keyEvent->state) ||
(wmGD.passKeysKeySpec->state == NOLOCKMOD(keyEvent->state))) &&
(wmGD.passKeysKeySpec->keycode == keyEvent->keycode))
{
/*
* Get out of the pass keys mode.
*/
F_Pass_Key (NULL, (ClientData *) NULL, (XEvent *) NULL);
XAllowEvents (DISPLAY, AsyncKeyboard, CurrentTime);
}
else
{
XAllowEvents (DISPLAY, ReplayKeyboard, CurrentTime);
}
checkKeyEvent = False;
}
/*
* Search through the key specification list and the menu
* accelerator lists until these lists are exhausted or
* the event is handled.
*/
if (checkKeyEvent)
{
if (wmGD.keyboardFocus)
{
if (wmGD.keyboardFocus->clientState == MINIMIZED_STATE)
{
context = F_CONTEXT_ICON;
}
else if (wmGD.keyboardFocus->clientState == NORMAL_STATE)
{
context = F_CONTEXT_NORMAL;
}
else
{
context = F_CONTEXT_MAXIMIZE;
}
}
else
{
context = F_CONTEXT_ROOT;
}
if (HandleKeyPress (keyEvent, ACTIVE_PSD->keySpecs,
TRUE, context, FALSE, (ClientData *)NULL) &&
ACTIVE_PSD->acceleratorMenuCount)
{
for (n = 0; ((keyEvent->keycode != 0) &&
(n < ACTIVE_PSD->acceleratorMenuCount)); n++)
{
if (!HandleKeyPress (keyEvent,
ACTIVE_PSD->acceleratorMenuSpecs[n]->accelKeySpecs,
TRUE, context, TRUE,(ClientData *)NULL))
{
break;
}
}
}
/*
* Fix for CR 3117 - Do the XAllowEvents after calling HandleKeyPress so that
* keys meant for an application can be sent to it.
*/
XAllowEvents (DISPLAY, AsyncKeyboard, CurrentTime);
/*
* End Fix for CR 3117
*/
}
return (dispatchEvent);
} /* END OF FUNCTION HandleWsKeyPress */
/*************************************<->*************************************
*
* HandleKeyPress (keyEvent, keySpecs, checkContext, context, onlyFirst, pCD)
*
*
* Description:
* -----------
* This function identifies window manager functions that are triggered by
* a KeyPress event. The window manager functions are done if appropriate.
*
*
* Inputs:
* ------
* keyEvent = pointer to a key press event on the root window
* keySpecs = pointer to a key specification list to search
* checkContext = TRUE iff the context must match the keySpec context.
* context = context to match keySpec context.
* onlyFirst = TRUE iff key processing should stop with the first match.
*
* Output:
* ------
* RETURN = False if key binding processing should be terminated; True if
* key binding processing can continue
*
*************************************<->***********************************/
Boolean HandleKeyPress (XKeyEvent *keyEvent,
KeySpec *keySpecs,
Boolean checkContext,
Context context,
Boolean onlyFirst,
ClientData *pCD)
{
Boolean processKey = True;
ClientData *functionClient;
Boolean haveRootBinding = False;
Boolean haveWindowBinding = False;
/*
* Search for matching key specification.
*/
while (processKey && keySpecs)
{
if (((keyEvent->state == keySpecs->state) ||
(NOLOCKMOD(keyEvent->state) == keySpecs->state)) &&
(keyEvent->keycode == keySpecs->keycode))
{
if ((!checkContext) || (context & keySpecs->context))
{
/*
* A matching key binding has been found.
* Determine the client to which the key binding function is to
* apply.
* Unpost any active menu and specify that no further key binding
* processing should be done.
* Do the function associated with the matching key binding.
* Stop if onlyFirst == TRUE
*/
if (pCD)
{
functionClient = pCD;
}
else
{
functionClient = wmGD.keyboardFocus;
}
if (wmGD.menuActive)
{
functionClient = wmGD.menuClient; /* might not have focus! */
UnpostMenu (wmGD.menuActive);
processKey = False;
}
else if (onlyFirst)
{
processKey = False;
}
if ((keySpecs->wmFunction == F_Menu) ||
(keySpecs->wmFunction == F_Post_SMenu))
{
wmGD.menuUnpostKeySpec = keySpecs; /* menu unpost key spec */
}
else if (keySpecs->wmFunction == F_Pass_Key)
{
wmGD.passKeysKeySpec = keySpecs;
}
if (!(keySpecs->wmFunction (keySpecs->wmFuncArgs,
functionClient, keyEvent)))
{
/*
* The window manager function return indicates that further
* key binding processing should not be done.
*/
processKey = False;
}
/*
* Note that for key bindings, frame, title, border, and app contexts
* are equivalent to the window context. This is NOT the same as for
* button bindings.
*/
if ((context & (F_CONTEXT_WINDOW)))
haveWindowBinding = True;
}
/* Fix for 3117 -- If the keypress looks as if it had been intended
* for the application, send it back.
*/
else if ((context & (F_CONTEXT_WINDOW)) &&
(keySpecs->context & F_CONTEXT_ROOT))
{
haveRootBinding = True;
}
}
keySpecs = keySpecs->nextKeySpec;
}
if (haveRootBinding && (!haveWindowBinding) )
{
XAllowEvents (DISPLAY, ReplayKeyboard, CurrentTime);
}
return (processKey);
} /* END OF FUNCTION HandleKeyPress */
/*************************************<->*************************************
*
* HandleWsButtonPress (buttonEvent)
*
*
* Description:
* -----------
* This function identifies button events that are associated with window
* manager functions. Window manager functions are done if appropriate.
*
*
* Inputs:
* ------
* buttonEvent = pointer to a button press event on the root window
*
*************************************<->***********************************/
void HandleWsButtonPress (XButtonEvent *buttonEvent)
{
ClientData *pCD;
Context context;
int partContext;
Context subContext;
/*
* Determine if the top-level window that contains the pointer is a
* client managed by the window manager (there may be no window under
* the pointer or it may be an "override-redirect" window).
*/
if ((buttonEvent->subwindow == None) ||
(XFindContext (DISPLAY, buttonEvent->subwindow, wmGD.windowContextType,
(caddr_t *)&pCD)))
{
/* no managed window under the pointer */
pCD = NULL;
}
/*
* Look through the window manager function button binding list for
* matches with the event:
*/
IdentifyEventContext (buttonEvent, pCD, &context, &partContext);
subContext = (1L << partContext);
ProcessClickBPress (buttonEvent, pCD, context, subContext);
if (CheckForButtonAction (buttonEvent, context, subContext, pCD) && pCD)
{
/*
* Button bindings have been processed, now check for bindings that
* are associated with the built-in semantics of the window frame
* decorations.
*/
CheckButtonPressBuiltin (buttonEvent, context, subContext, partContext,
pCD);
}
/*
* Else skip built-in processing due to execution of a function that
* does on-going event processing or that has changed the client state
* (e.g., f.move or f.minimize).
*/
} /* END OF FUNCTION HandleWsButtonPress */
/*************************************<->*************************************
*
* HandleWsButtonRelease (buttonEvent)
*
*
* Description:
* -----------
* This function identifies button release events that are associated with
* window manager functions. Window manager functions are done if
* appropriate.
*
*
* Inputs:
* ------
* buttonEvent = pointer to a button release event
*
*************************************<->***********************************/
void HandleWsButtonRelease (XButtonEvent *buttonEvent)
{
ClientData *pCD;
Context context;
int partContext;
Context subContext;
/*
* Determine if the top-level window that contains the pointer is a
* client managed by the window manager (there may be no window under
* the pointer or it may be an "override-redirect" window).
*/
if ((buttonEvent->subwindow == None) ||
(XFindContext (DISPLAY, buttonEvent->subwindow, wmGD.windowContextType,
(caddr_t *)&pCD)))
{
/* no managed window under the pointer */
pCD = NULL;
}
/*
* Look for a builtin function that may be done by this event.
*/
IdentifyEventContext (buttonEvent, pCD, &context, &partContext);
subContext = (1L << partContext);
ProcessClickBRelease (buttonEvent, pCD, context, subContext);
if (CheckForButtonAction (buttonEvent, context, subContext, pCD) && pCD)
{
/*
* Button bindings have been processed, now check for bindings that
* are associated with the built-in semantics of the window frame
* decorations.
*/
CheckButtonReleaseBuiltin (buttonEvent, context, subContext, pCD);
}
/*
* Else skip built-in processing due to execution of a function that
* does on-going event processing or that has changed the client state
* (e.g., f.move or f.minimize).
*/
} /* END OF FUNCTION HandleWsButtonRelease */
/*************************************<->*************************************
*
* CheckForButtonAction (buttonEvent, context, subContext, pCD)
*
*
* Description:
* -----------
* This function checks to see if a button event is to do a button binding
* action. The action is done if specified.
*
*
* Inputs:
* ------
* buttonEvent = a button event handled by the window manager
*
* context = button event context (root, icon, window)
*
* subContext = button event subContext (title, system button, etc.)
*
* pCD = a pointer to client data that is associated with the button event
*
*
* Outputs:
* -------
* RETURN = If True then further button binding processing can be done;
* if false then a state change function, menu function, or
* configuration function is ongoing and further button binding
* processing should not be done.
*
*
*************************************<->***********************************/
Boolean CheckForButtonAction (XButtonEvent *buttonEvent, Context context, Context subContext, ClientData *pCD)
{
ButtonSpec *buttonSpec;
/*
* Look through the window manager function button binding list for
* matches with the event:
*/
buttonSpec = ACTIVE_PSD->buttonSpecs;
while (buttonSpec)
{
if ((buttonEvent->button == buttonSpec->button) &&
((buttonEvent->state == buttonSpec->state) ||
(NOLOCKMOD(buttonEvent->state) == buttonSpec->state)))
{
/*
* See if the event context matches the binding context.
*/
if ((buttonEvent->type == buttonSpec->eventType) &&
(context & buttonSpec->context) &&
(subContext & buttonSpec->subContext))
{
/*
* For click type bindings check for a match between the
* event context and the click / double-click context.
*/
if (buttonEvent->type == ButtonRelease)
{
/*
* Clicks occur on button releases. A button release
* binding is always treated as a click binding.
*/
if ((buttonSpec->subContext | wmGD.clickData.clickContext)
!= buttonSpec->subContext)
{
/* click binding and event contexts do not match */
buttonSpec = buttonSpec->nextButtonSpec;
continue;
}
/* else there is a click match */
}
else if (buttonSpec->click && (buttonEvent->type==ButtonPress))
{
/*
* Double-clicks occur on button presses.
*/
if ((buttonSpec->subContext |
wmGD.clickData.doubleClickContext)
!= buttonSpec->subContext)
{
/* click binding and event contexts do not match */
buttonSpec = buttonSpec->nextButtonSpec;
continue;
}
else
{
/*
* The is a double-click match. Don't do any click
* or double-click matches for the following button
* press and release.
*/
wmGD.clickData.clickPending = False;
wmGD.clickData.doubleClickPending = False;
}
}
if (!(buttonSpec->wmFunction (buttonSpec->wmFuncArgs, pCD,
buttonEvent)))
{
/*
* The window manager function return indicates that
* further button binding processing should not be done.
*/
return (False);
}
}
}
buttonSpec = buttonSpec->nextButtonSpec;
}
return (True);
} /* END OF FUNCTION CheckForButtonAction */
/*************************************<->*************************************
*
* IdentifyEventContext (event, pCD, pContext, pPartContext)
*
*
* Description:
* -----------
* This function identifies the context in which an event occurred. The
* pointer position is used to identify the context if the event is a
* button event. If the context and the window state are incompatible
* (e.g., the context is window and the window is minimized) then the
* context is reset to 0 (none).
*
*
* Inputs:
* ------
* event = find the context of this X event
*
* pCD = client data (maybe NULL) that the event is associated with
*
*
* Outputs:
* -------
* pContext = event context
*
* pPartContext = part (e.g, frame) context associated with the event
*
*************************************<->***********************************/
void IdentifyEventContext (XButtonEvent *event, ClientData *pCD, Context *pContext, int *pPartContext)
{
Boolean eventOnRoot;
Window actionWindow;
int clientX;
int clientY;
int framePart;
eventOnRoot = (event->window == ACTIVE_ROOT) ?
True : False;
if (pCD)
{
actionWindow = (eventOnRoot) ? event->subwindow : event->window;
if (actionWindow == pCD->clientFrameWin)
{
*pContext = F_CONTEXT_WINDOW;
if (eventOnRoot)
{
clientX = event->x -
(pCD->maxConfig ? pCD->maxX : pCD->clientX) +
pCD->clientOffset.x;
clientY = event->y -
(pCD->maxConfig ? pCD->maxY : pCD->clientY) +
pCD->clientOffset.y;
}
else
{
clientX = event->x;
clientY = event->y;
}
framePart = IdentifyFramePart (pCD, clientX, clientY);
*pPartContext = framePart;
}
else if (actionWindow == pCD->clientBaseWin)
{
*pContext = F_CONTEXT_WINDOW;
*pPartContext = FRAME_CLIENT;
}
else if ((actionWindow == ICON_FRAME_WIN(pCD)) ||
(actionWindow == ACTIVE_PSD->activeIconTextWin))
{
if (P_ICON_BOX(pCD))
{
*pContext = F_CONTEXT_ICONBOX;
if (pCD->clientState == MINIMIZED_STATE)
{
*pPartContext = ICONBOX_PART_IICON;
}
else
{
*pPartContext = ICONBOX_PART_WICON;
}
}
else
{
*pContext = F_CONTEXT_ICON;
*pPartContext = ICON_PART_ALL;
}
}
else
{
*pContext = F_CONTEXT_ROOT;
*pPartContext = ROOT_PART_ALL;
}
/*
* Check for an incompatible context and window state.
*/
if (((*pContext & F_CONTEXT_WINDOW) &&
(pCD->clientState != NORMAL_STATE) &&
(pCD->clientState != MAXIMIZED_STATE)) ||
((*pContext & F_CONTEXT_ICON) &&
(pCD->clientState != MINIMIZED_STATE)))
{
*pContext = F_CONTEXT_NONE;
}
}
else
{
*pContext = F_CONTEXT_ROOT;
*pPartContext = ROOT_PART_ALL;
}
} /* END OF FUNCTION IdentifyEventContext */
/*************************************<->*************************************
*
* ProcessClickBPress (buttonEvent, pCD, context, subContext)
*
*
* Description:
* -----------
* This function checks for a double-click match and saves state information
* to do click and double-click processing.
*
*
* Inputs:
* ------
* buttonEvent = pointer to a button press event
*
* pCD = pointer to client data (identifies client window)
*
* context = root/window/icon context for the event
*
* subContext = subcontext for the event (title, system button, etc.)
*
*
* Outputs:
* -------
* (wmGD.clickData) = click processing information
*
* (wmGD.clickData.doubleClickContext) = set if double click occurred
*
*************************************<->***********************************/
void ProcessClickBPress (XButtonEvent *buttonEvent, ClientData *pCD, Context context, Context subContext)
{
Time timeDiff;
Boolean passButton;
/*
* Check for a double-click. If a double click has occurred then
* save the double-click context.
*/
wmGD.clickData.doubleClickContext = F_SUBCONTEXT_NONE;
if (wmGD.clickData.doubleClickPending &&
(buttonEvent->button == wmGD.clickData.button) &&
((buttonEvent->state == wmGD.clickData.state) ||
(NOLOCKMOD(buttonEvent->state) == wmGD.clickData.state)) &&
(pCD == wmGD.clickData.pCD) &&
(context == wmGD.clickData.context))
{
/*
* Check the time between button release events.
*/
if (buttonEvent->time > wmGD.clickData.time)
{
timeDiff = buttonEvent->time - wmGD.clickData.time;
}
else
{
timeDiff = ~wmGD.clickData.time + buttonEvent->time + 1;
}
if (timeDiff < wmGD.doubleClickTime)
{
/*
* A double-click has been done; save the context.
*/
wmGD.clickData.doubleClickContext = subContext |
wmGD.clickData.subContext;
}
}
/*
* Save state data for click checking. If a button binding match
* occurs for a double-click then clear out the clickData (don't
* do any click/double-click matches for the following button press
* and release). If the button press is done on the client area and
* is used to set the focus to the window then don't use it in
* setting up clickData.
*/
if ((buttonEvent->button == SELECT_BUTTON) &&
((buttonEvent->state == 0) ||
(NOLOCKMOD(buttonEvent->state) == 0)))
{
passButton = wmGD.passSelectButton;
}
else
{
passButton = wmGD.passButtons;
}
if (!(pCD && (buttonEvent->window == pCD->clientBaseWin) && passButton))
{
wmGD.clickData.button = buttonEvent->button;
wmGD.clickData.state = buttonEvent->state;
/* add in event button mask (this will show up in the button release */
wmGD.clickData.releaseState = buttonEvent->state |
buttonModifierMasks[buttonEvent->button];
wmGD.clickData.pCD = pCD;
wmGD.clickData.context = context;
wmGD.clickData.subContext = subContext;
wmGD.clickData.time = buttonEvent->time;
wmGD.clickData.clickPending = True;
wmGD.clickData.doubleClickPending = True;
wmGD.clickData.bReplayed = wmGD.bReplayedButton;
}
} /* END OF FUNCTION ProcessClickBPress */
/*************************************<->*************************************
*
* ProcessClickBRelease (buttonEvent, pCD, context, subContext)
*
*
* Description:
* -----------
* This function checks to see if a "click" was done. The button release
* completes a click if there is a click pending and the button release
* context is the same as the button press context. Configuration or
* menu activity cancels a pending click.
*
*
* Inputs:
* ------
* buttonEvent = pointer to a button press event
*
* pCD = pointer to client data (identifies client window)
*
* context = root/window/icon context for the event
*
* subContext = window subcontext for the event (title, system button, etc.)
*
* (wmGD.clickData) = click processing information
*
*
* Outputs:
* -------
* (wmGD.clickData) = click processing information
*
* (wmGD.clickData.clickContext) = set if click occurred
*
*************************************<->***********************************/
void ProcessClickBRelease (XButtonEvent *buttonEvent, ClientData *pCD, Context context, Context subContext)
{
/*
* Restore the state of the last "depressed" frame gadget
*/
if (pCD && (wmGD.gadgetClient == pCD) && (pCD->decorFlags))
{
PopGadgetOut(pCD, wmGD.gadgetDepressed);
}
/*
* Check to see if a click has been done.
*/
wmGD.clickData.clickContext = F_SUBCONTEXT_NONE;
if (wmGD.clickData.clickPending &&
(buttonEvent->button == wmGD.clickData.button) &&
(buttonEvent->state == wmGD.clickData.releaseState) &&
(pCD == wmGD.clickData.pCD) &&
(context == wmGD.clickData.context))
{
wmGD.clickData.clickContext = subContext | wmGD.clickData.subContext;
/* !!! check for double click time? !!! */
}
else
{
wmGD.clickData.doubleClickPending = False;
}
wmGD.clickData.clickPending = False;
} /* END OF FUNCTION ProcessClickBRelease */
/*************************************<->*************************************
*
* HandleDtWmClientMessage (clientEvent)
*
*
* Description:
* -----------
* This function handles client message events that are sent to the
* wm window. The window manager action that is taken depends on the
* message_type of the event.
*
*
* Inputs:
* ------
* clientEvent = pointer to a client message event on the wm window
*
*************************************<->***********************************/
void HandleDtWmClientMessage (XClientMessageEvent *clientEvent)
{
int scr;
/*
* Process the client message event based on the message_type.
*/
if (clientEvent->message_type == wmGD.xa_DT_SM_WM_PROTOCOL)
{
if (clientEvent->data.l[0] == wmGD.xa_DT_SM_START_ACK_WINDOWS)
{
smAckState = SM_START_ACK;
}
else if (clientEvent->data.l[0] == wmGD.xa_DT_SM_STOP_ACK_WINDOWS)
{
smAckState = SM_STOP_ACK;
}
}
if (clientEvent->message_type == wmGD.xa_WM_PROTOCOLS)
{
if (clientEvent->data.l[0] == wmGD.xa_WM_SAVE_YOURSELF)
{
for (scr = 0; scr < wmGD.numScreens; scr++)
{
if (wmGD.Screens[scr].managed)
{
/*
* Write out current workspace, frontpanel
* position and iconbox position and size.
*/
SaveResources(&wmGD.Screens[scr]);
}
} /* for loop */
XSetCommand(DISPLAY, wmGD.commandWindow, 0, 0);
} /* WM_SAVE_YOURSELF */
} /* WM_PROTOCOLS */
} /* END OF FUNCTION HandleDtWmClientMessage */
/*************************************<->*************************************
*
* HandleDtWmRequest (pSD, pev)
*
*
* Description:
* -----------
* This function processes _DT_WM_REQUESTs that come in from
* other clients
*
*
* Inputs:
* ------
* pSD - pointer to screen data
* pev - pointer to the triggering event (PropertyNotify)
*
* Comments:
* ---------
* This reuses the global parse buffer. It assumes that no parsing
* is in progress. All parsing of the config file must be completed
* before we call this routine.
*
*
*************************************<->***********************************/
void
HandleDtWmRequest (WmScreenData *pSD, XEvent *pev)
{
Boolean more = True;
char *pchReq = NULL;
String sRequest = NULL;
unsigned char *lineP;
int iFuncIndex;
WmFunction wmFunction;
String wmFuncArgs;
ClientData *pCD;
Context ctxDisallowed;
DtWmpParseBuf wmPB;
/*
* Save state of global parse buffer
*/
memcpy (&wmPB, wmGD.pWmPB, sizeof(DtWmpParseBuf));
while (more)
{
GetDtWmRequest (pSD, &pchReq, &more);
if (pchReq)
{
pCD = NULL;
ctxDisallowed = F_CONTEXT_ROOT;
if (wmGD.requestContextWin != (Window) 0L)
{
if (!XFindContext (DISPLAY, wmGD.requestContextWin,
wmGD.windowContextType,
(caddr_t *)&pCD))
{
/*
* A valid client window was specified
* in a previous F_Set_Context request.
* Remove the restriction to root-only context.
*/
ctxDisallowed = F_CONTEXT_NONE;
}
}
sRequest = XtNewString (pchReq);
_DtWmParseSetLine (wmGD.pWmPB, (unsigned char *)sRequest);
lineP = wmGD.pWmPB->pchLine;
iFuncIndex = ParseWmFunction (&lineP, CRS_BUTTON|CRS_KEY,
&wmFunction);
if (iFuncIndex != F_NOP_INDEX)
{
if (functionTable[iFuncIndex].greyedContext & ctxDisallowed)
{
/*
* Sorry, we have to disallow this function request
* based on context problems.
*/
XtFree ((char *)sRequest);
sRequest = NULL;
break;
}
/*
* Apply the function argument parser.
*/
if ((*(functionTable [iFuncIndex].parseProc))
(&lineP, wmFunction, &wmFuncArgs))
{
/*
* Found it in the function table!
* Apply the function.
*/
wmFunction (wmFuncArgs, pCD, NULL);
/*
* Free up allocated args, if any
*/
if (wmFuncArgs)
{
if ((functionTable[iFuncIndex].parseProc ==
ParseWmFuncStrArg) ||
(functionTable[iFuncIndex].parseProc ==
ParseWmFuncMaybeStrArg))
{
XtFree ((char *)wmFuncArgs);
}
else if (functionTable[iFuncIndex].parseProc ==
ParseWmFuncActionArg)
{
WmActionArg *pAP = (WmActionArg *) wmFuncArgs;
if (pAP->actionName)
XtFree ((char *) pAP->actionName);
if (pAP->szExecParms)
XtFree ((char *) pAP->szExecParms);
while (pAP->numArgs > 0)
{
XtFree ((char *)
pAP->aap[--(pAP->numArgs)].u.file.name);
}
XtFree ((char *) pAP);
}
}
}
}
else if (!strncmp (pchReq, DTWM_REQ_CHANGE_BACKDROP,
strlen(DTWM_REQ_CHANGE_BACKDROP)))
{
Pixmap pixmap = None;
DtWsmBackdropImageType imageType = DtWSM_BACKDROP_IMAGETYPE_TILED;
char *pch;
char *pchFile = NULL;
/* skip function name */
pch = pchReq;
(void) strtok (pch, " ");
/* get path name */
pch = strtok (NULL, " ");
if (pch)
{
pchFile = (char *) XtMalloc (1+strlen(pch));
}
else
{
Warning (((char *)GETMESSAGE(32, 3, "Missing path name for backdrop change request.")));
}
if (pchFile)
{
strcpy (pchFile, pch);
/* get pixmap id */
pch = strtok (NULL, " ");
if (pch)
{
sscanf (pch, "%lx", &pixmap);
pch = strtok (NULL, " ");
if (pch)
{
sscanf (pch, "%d", (int *) &imageType);
SetNewBackdrop (ACTIVE_WS, pixmap, (String)pchFile, imageType);
}
else
{
Warning (((char *)GETMESSAGE(32, 5, "Missing backdrop image style number for backdrop change request.")));
}
}
else
{
Warning (((char *)GETMESSAGE(32, 4, "Missing pixmap id for backdrop change request.")));
}
XtFree (pchFile);
}
else
{
Warning (((char *)GETMESSAGE(32, 2, "Insufficient memory to handle backdrop change.")));
}
}
if (sRequest)
{
XtFree ((char *) sRequest);
}
XtFree (pchReq);
}
}
/*
* Restore state of global parse buffer
*/
memcpy (wmGD.pWmPB, &wmPB, sizeof(DtWmpParseBuf));
} /* END OF FUNCTION HandleDtWmRequest */
/*************************************<->*************************************
*
* HandleWsEnterNotify (enterEvent)
*
*
* Description:
* -----------
* This function processes EnterNotify events that are reported to
* the root window.
*
*
* Inputs:
* ------
* enterEvent = pointer to an enter notify event on the root window.
*
*************************************<->***********************************/
void HandleWsEnterNotify (XEnterWindowEvent *enterEvent)
{
WmScreenData *pSD;
/*
* If the pointer entered a screen that we manage, then set the
* new active screen.
*/
if (wmGD.queryScreen &&
(!XFindContext (DISPLAY, enterEvent->window, wmGD.screenContextType,
(caddr_t *)&pSD)))
{
SetActiveScreen (pSD);
}
/*
* The root window was entered; do focus processing
* if necessary:
*/
if (!wmGD.menuActive &&
((enterEvent->mode == NotifyNormal) ||
(enterEvent->mode == NotifyUngrab) ||
(enterEvent->mode == NotifyWhileGrabbed)))
{
if (wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER)
{
Do_Focus_Key ((ClientData *) NULL, enterEvent->time,
ALWAYS_SET_FOCUS);
}
else if ((wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_EXPLICIT) &&
((enterEvent->detail == NotifyNonlinearVirtual) ||
(enterEvent->detail == NotifyNonlinear)) &&
(wmGD.keyboardFocus == NULL) &&
enterEvent->focus)
{
/*
* Reset the explicit selection focus to the workspace
* window.
*/
Do_Focus_Key ((ClientData *) NULL, enterEvent->time,
ALWAYS_SET_FOCUS);
}
if (wmGD.colormapFocusPolicy == CMAP_FOCUS_POINTER)
{
SetColormapFocus (ACTIVE_PSD, (ClientData *) NULL);
}
}
} /* END OF FUNCTION HandleWsEnterNotify */
/*************************************<->*************************************
*
* HandleWsLeaveNotify (leaveEvent)
*
*
* Description:
* -----------
* This function processes LeaveNotify events that are reported to
* the root window.
*
*
* Inputs:
* ------
* enterEvent = pointer to an leave notify event on the root window.
*
*************************************<->***********************************/
void HandleWsLeaveNotify (XLeaveWindowEvent *leaveEvent)
{
WmScreenData *pSD;
/*
* The root window was exited; do focus processing
* if necessary:
*/
if (!wmGD.menuActive &&
((leaveEvent->detail == NotifyNonlinear) ||
(leaveEvent->detail == NotifyNonlinearVirtual)))
{
/*
* The pointer has moved to another screen. Fix the
* focus on the screen controlled by the window manager.
*/
if ((wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER) ||
(wmGD.colormapFocusPolicy == CMAP_FOCUS_POINTER))
{
if (wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_POINTER)
{
Do_Focus_Key ((ClientData *) NULL, leaveEvent->time,
(SCREEN_SWITCH_FOCUS | ALWAYS_SET_FOCUS));
}
if (wmGD.colormapFocusPolicy == CMAP_FOCUS_POINTER)
{
SetColormapFocus (ACTIVE_PSD, (ClientData *) NULL);
}
}
/* Set new active screen */
if (!XFindContext (DISPLAY, leaveEvent->root, wmGD.screenContextType,
(caddr_t *)&pSD))
{
/* moved to another screen we manage! */
SetActiveScreen (pSD);
}
else
{
/* off onto an unmanaged screen */
wmGD.queryScreen = True;
/* set input focus to pointer root */
XSetInputFocus (DISPLAY, PointerRoot,
RevertToPointerRoot, leaveEvent->time);
}
}
} /* END OF FUNCTION HandleWsLeaveNotify */
/*************************************<->*************************************
*
* HandleWsConfigureRequest (focusEvent)
*
*
* Description:
* -----------
* This function processes ConfigureRequest events that are reported to
* the root window.
*
*
* Inputs:
* ------
* focusEvent = pointer to a configure request event on the root window.
*
*************************************<->***********************************/
void HandleWsConfigureRequest (XConfigureRequestEvent *configureEvent)
{
ClientData *pCD;
XConfigureEvent notifyEvent;
Boolean configChanged;
XWindowChanges values;
/*
* A window that is a child of the root window is being
* configured. Either it is an un-managed window or it is a
* managed window that did the configuration before it was
* reparented.
*/
if (XFindContext (DISPLAY, configureEvent->window, wmGD.windowContextType,
(caddr_t *)&pCD))
{
/*
* Get window attribute information; this is used later on
* to decide if a synthetic ConfigureNotify event should
* be send to the client.
*/
if (WmGetWindowAttributes (configureEvent->window))
{
configChanged =
(wmGD.windowAttributes.x != configureEvent->x) ||
(wmGD.windowAttributes.y != configureEvent->y) ||
(wmGD.windowAttributes.width != configureEvent->width) ||
(wmGD.windowAttributes.height != configureEvent->height) ||
(wmGD.windowAttributes.border_width !=
configureEvent->border_width) ||
(configureEvent->value_mask & (CWSibling|CWStackMode));
/*
* The window is not (yet) managed. Do the window
* configuration.
*/
if (configChanged)
{
values.x = configureEvent->x;
values.y = configureEvent->y;
values.width = configureEvent->width;
values.height = configureEvent->height;
values.border_width = configureEvent->border_width;
values.sibling = configureEvent->above;
values.stack_mode = configureEvent->detail;
XConfigureWindow (DISPLAY, configureEvent->window,
(unsigned int) (configureEvent->value_mask), &values);
}
/*
* Some clients expect a ConfigureNotify event even if the
* XConfigureWindow call has NO effect. Send a synthetic
* ConfigureNotify event just to be sure.
*/
if (!configChanged)
{
notifyEvent.type = ConfigureNotify;
notifyEvent.display = DISPLAY;
notifyEvent.event = configureEvent->window;
notifyEvent.window = configureEvent->window;
notifyEvent.x = configureEvent->x;
notifyEvent.y = configureEvent->y;
notifyEvent.width = configureEvent->width;
notifyEvent.height = configureEvent->height;
notifyEvent.border_width = configureEvent->border_width;
notifyEvent.above = None;
notifyEvent.override_redirect = False;
XSendEvent (DISPLAY, configureEvent->window, False,
StructureNotifyMask, (XEvent *)&notifyEvent);
}
}
}
else
{
/*
* The context information on the window WAS found.
* The window is already managed by the window manager
* so this is a configuration request that was made before
* the window was reparented.
*/
HandleCConfigureRequest (pCD, configureEvent);
}
} /* END OF FUNCTION HandleWsConfigureRequest */
/*************************************<->*************************************
*
* HandleWsFocusIn (focusEvent)
*
*
* Description:
* -----------
* This function processes FocusIn events that are reported to the root
* window.
*
*
* Inputs:
* ------
* focusEvent = pointer to a focus in event on the root window.
*
*************************************<->***********************************/
void HandleWsFocusIn (XFocusInEvent *focusEvent)
{
ClientData *pCD;
Boolean sameScreen;
/*
* This code is used to handle the case of the focus being
* set to pointer root (either explicitly by some client, by the window
* manager or as a result of a "revert to" action).
* It also handles the case where the focus is manipulated by a window
* manager on another screen (in this case let the other window manager
* control the focus). Reset the focus to a client window if appropriate.
*/
if (((focusEvent->mode == NotifyNormal) ||
(focusEvent->mode == NotifyUngrab)) &&
((focusEvent->detail == NotifyPointerRoot) ||
(focusEvent->detail == NotifyDetailNone) ||
(focusEvent->detail == NotifyInferior)))
{
/*
* Fix the keyboard focus if it should be set to a particular client.
*/
pCD = GetClientUnderPointer (&sameScreen);
if (wmGD.keyboardFocus && (focusEvent->detail != NotifyInferior))
{
if (sameScreen)
{
/*
* Assume that the focus still belongs to the screen
* controlled by mwm. Repair the focus if the client
* is still active.
*/
if (wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_EXPLICIT)
{
Do_Focus_Key (wmGD.keyboardFocus, GetTimestamp (),
ALWAYS_SET_FOCUS);
}
else
{
if (pCD || (focusEvent->detail == NotifyDetailNone))
{
/* !!! check for redundant focus setting !!! */
Do_Focus_Key (pCD, GetTimestamp (), ALWAYS_SET_FOCUS);
}
}
SetKeyboardFocus ((ClientData *) NULL, REFRESH_LAST_FOCUS);
}
else
{
/*
* Assume that the focus is now controlled by a
* window manager on another screen. Clear the
* focus locally.
*/
SetKeyboardFocus ((ClientData *) NULL, REFRESH_LAST_FOCUS);
}
}
else
{
/*
* No client window currently has the focus. If the pointer
* is on the mwm-controlled screen set the focus to
* the window management window if the focus is explicit.
*/
if (sameScreen)
{
if (wmGD.keyboardFocusPolicy == KEYBOARD_FOCUS_EXPLICIT)
{
if (((focusEvent->detail == NotifyInferior) ||
(focusEvent->detail == NotifyPointerRoot)) &&
(wmGD.keyboardFocus != wmGD.nextKeyboardFocus))
{
/*
* Window that had the focus went away. Try to
* reset the window to the next keyboard focus
* client window if there is one.
*/
Do_Focus_Key (wmGD.nextKeyboardFocus, GetTimestamp (),
ALWAYS_SET_FOCUS);
}
else
{
/* Re: CR 4896 */
/* The previous version would pass NULL widget to this */
/* this routine. This doesn't seem to make sense. NULL */
/* has been replaced by pCD which seems to fix the icon */
/* focus problem. */
/* Another related patch is made in WmCEvent.c. */
Do_Focus_Key ((ClientData *) pCD, GetTimestamp(),
ALWAYS_SET_FOCUS);
}
}
else /*KEYBOARD_FOCUS_POINTER*/
{
if (pCD || focusEvent->detail != NotifyPointerRoot)
{
Do_Focus_Key (pCD, GetTimestamp (), ALWAYS_SET_FOCUS);
}
}
}
}
}
} /* END OF FUNCTION HandleWsFocusIn */
/*************************************<->*************************************
*
* GetTimestamp ()
*
*
* Description:
* -----------
* This function is used to provide a timestamp for use with X calls that
* require a timestamp (and a timestamp is not available from a prior
* X event).
*
*
* Outputs:
* -------
* Return = a timestamp value
*
* Comment:
* --------
* This costs a server round-trip
*
*************************************<->***********************************/
Time GetTimestamp (void)
{
Time timestamp;
WmScreenData *pSD = ACTIVE_PSD;
XEvent event;
long property;
/*
* Do zero-length append to our own WM_STATE
*/
XChangeProperty (DISPLAY, pSD->wmWorkspaceWin, wmGD.xa_WM_STATE,
wmGD.xa_WM_STATE, 32, PropModeAppend,
(unsigned char *)&property, 0);
/*
* Pick up the property notify event
*/
XSync (DISPLAY, False);
if (XCheckWindowEvent (DISPLAY, pSD->wmWorkspaceWin,
PropertyChangeMask, &event))
{
if (event.type == PropertyNotify)
{
timestamp = event.xproperty.time;
}
else
{
/* not sure what happened here ... use CurrentTime */
timestamp = CurrentTime;
}
if ((event.type != PropertyNotify) ||
(event.xproperty.atom != wmGD.xa_WM_STATE))
{
/*
* This wasn't the event we caused, put it back for
* later processing. We'll keep the timestamp, though.
*/
XPutBackEvent (DISPLAY, &event);
}
}
else
{
/* Hmm... didn't get the prop notify, fall back to current time */
timestamp = CurrentTime;
}
return (timestamp);
} /* END OF FUNCTION GetTimestamp */
/*************************************<->*************************************
*
* PullExposureEvents ()
*
*
* Description:
* -----------
* Pull in and process all outstanding exposure events
*
*
* Inputs:
* ------
*
* Outputs:
* -------
*
* Comments:
* --------
* Useful for cleaning up display after menu popdown
*
*************************************<->***********************************/
void PullExposureEvents (void)
{
XEvent event;
Boolean dispatchEvent;
/*
* Force the exposure events into the queue
*/
XSync (DISPLAY, False);
XSync (DISPLAY1, False);
/*
* Selectively extract the exposure events
*/
while (XCheckMaskEvent (DISPLAY,
ExposureMask|VisibilityChangeMask, &event) ||
XCheckMaskEvent (DISPLAY1,
ExposureMask|VisibilityChangeMask, &event))
{
/*
* Check for, and process non-widget events. The events may be
* reported to the root window, to some client frame window,
* to an icon window, or to a "special" window management window.
*/
switch (event.type)
{
case Expose:
if (event.xany.window == ACTIVE_ROOT)
{
dispatchEvent = WmDispatchWsEvent (&event);
}
else
{
dispatchEvent = WmDispatchClientEvent (&event);
}
default:
dispatchEvent = True;
}
if (dispatchEvent)
{
/*
* Dispatch widget related event:
*/
XtDispatchEvent (&event);
}
}
} /* END OF FUNCTION PullExposureEvents */
/*************************************<->*************************************
*
* ReplayedButtonEvent ()
*
*
* Description:
* -----------
* Compare to button events to see if it's one event that's been
* replayed.
*
*
* Inputs:
* ------
*
* Outputs:
* -------
* return = True if event is replayed.
*
* Comments:
* --------
*
*************************************<->***********************************/
Boolean
ReplayedButtonEvent (
XButtonEvent *pevB1,
XButtonEvent *pevB2)
{
Boolean rval = False;
if ( (pevB1->type == pevB2->type) &&
(pevB1->send_event == pevB2->send_event) &&
(pevB1->display == pevB2->display) &&
(pevB1->window == pevB2->window) &&
(pevB1->root == pevB2->root) &&
(pevB1->subwindow == pevB2->subwindow) &&
(pevB1->time == pevB2->time) &&
(pevB1->x == pevB2->x) &&
(pevB1->y == pevB2->y) &&
(pevB1->x_root == pevB2->x_root) &&
(pevB1->y_root == pevB2->y_root) &&
(pevB1->state == pevB2->state) &&
(pevB1->button == pevB2->button) &&
(pevB1->same_screen == pevB2->same_screen)
)
{
rval = True;
}
return (rval);
}
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