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import motif-2.3.4-17.el8_4
2022-05-18 09:12:06 +00:00
commit 88bdce139baf89839b6e13d698576fc56211e845
Author: Oleksiy Chernyavskyy <ochern@ics.com>
Date: Wed Mar 16 00:46:49 2016 +0200
Reimplemented bugfix 1565
Signed-off-by: Oleksiy Chernyavskyy <ochern@ics.com>
diff --git a/lib/Xm/ComboBox.c b/lib/Xm/ComboBox.c
index 1472e45..cf507da 100644
--- a/lib/Xm/ComboBox.c
+++ b/lib/Xm/ComboBox.c
@@ -3164,6 +3164,9 @@ CreatePulldown(Widget parent,
Arg args[4];
ArgList merged_args;
Cardinal n;
+#ifdef FIX_1565
+ XmGrabShellWidget grabsh;
+#endif
n = 0;
XtSetArg(args[n], XmNlayoutDirection, LayoutM(parent)), n++;
@@ -3175,6 +3178,11 @@ CreatePulldown(Widget parent,
merged_args, n + *num_args);
XtFree((char*)merged_args);
+#ifdef FIX_1565
+ grabsh = (XmGrabShellWidget) shell;
+ grabsh->grab_shell.set_input_focus = False;
+#endif
+
return shell;
}
diff --git a/lib/Xm/DropDown.c b/lib/Xm/DropDown.c
index 37fec03..5cd15ca 100644
--- a/lib/Xm/DropDown.c
+++ b/lib/Xm/DropDown.c
@@ -2027,6 +2027,9 @@ CreatePopup(Widget w, ArgList args, Cardinal num_args)
Arg *new_list, largs[10];
Cardinal num_largs;
Widget sb;
+#ifdef FIX_1565
+ XmGrabShellWidget grabsh;
+#endif
num_largs = 0;
XtSetArg(largs[num_largs], XmNoverrideRedirect, True); num_largs++;
@@ -2040,6 +2043,10 @@ CreatePopup(Widget w, ArgList args, Cardinal num_args)
xmGrabShellWidgetClass, w,
new_list,
num_largs + num_args);
+#ifdef FIX_1565
+ grabsh = (XmGrabShellWidget) XmDropDown_popup_shell(cbw);
+ grabsh->grab_shell.set_input_focus = False;
+#endif
XtFree((char *) new_list);
#ifdef FIX_1446
diff --git a/lib/Xm/GrabShell.c b/lib/Xm/GrabShell.c
index 88f3154..af13e0b 100644
--- a/lib/Xm/GrabShell.c
+++ b/lib/Xm/GrabShell.c
@@ -283,6 +283,10 @@ Initialize(Widget req, /* unused */
/* CR 9920: Popdown may be requested before MapNotify. */
grabsh->grab_shell.mapped = False;
+
+#ifdef FIX_1565
+ grabsh->grab_shell.set_input_focus = True;
+#endif
}
/*
@@ -395,8 +399,16 @@ MapNotifyHandler(Widget shell, XtPointer client_data,
XGetInputFocus(XtDisplay(shell), &grabshell->grab_shell.old_focus,
&grabshell->grab_shell.old_revert_to);
old_handler = XSetErrorHandler(IgnoreXErrors);
- XSetInputFocus(XtDisplay(shell), XtWindow(shell), RevertToParent, time);
- XSync(XtDisplay(shell), False);
+#ifdef FIX_1565
+ if (! grabshell->grab_shell.set_input_focus) {
+ XmForceGrabKeyboard(shell, time);
+ } else {
+#endif
+ XSetInputFocus(XtDisplay(shell), XtWindow(shell), RevertToParent, time);
+ XSync(XtDisplay(shell), False);
+#ifdef FIX_1565
+ }
+#endif
XSetErrorHandler(old_handler);
}
diff --git a/lib/Xm/GrabShellP.h b/lib/Xm/GrabShellP.h
index 92fe508..025f001 100644
--- a/lib/Xm/GrabShellP.h
+++ b/lib/Xm/GrabShellP.h
@@ -30,6 +30,7 @@
#include <Xm/GrabShell.h>
#include <Xm/XmP.h>
#include <X11/ShellP.h>
+#include "XmI.h"
#ifdef __cplusplus
extern "C" {
@@ -55,6 +56,9 @@ typedef struct
Boolean mapped;
Window old_focus;
int old_revert_to;
+#ifdef FIX_1565
+ Boolean set_input_focus;
+#endif
} XmGrabShellPart;
diff --git a/lib/Xm/MenuShell.c b/lib/Xm/MenuShell.c
index 2ed3dd8..9887087 100644
--- a/lib/Xm/MenuShell.c
+++ b/lib/Xm/MenuShell.c
@@ -1514,9 +1514,7 @@ ChangeManaged(
/** the real grab ***/
_XmMenuGrabKeyboardAndPointer((Widget)rowcol, _time);
-#ifndef FIX_1565
_XmMenuFocus(XtParent(rowcol), XmMENU_BEGIN, _time);
-#endif
/* To support menu replay, keep the pointer in sync mode */
XAllowEvents(XtDisplay(rowcol), SyncPointer, CurrentTime);
diff --git a/lib/Xm/MenuUtil.c b/lib/Xm/MenuUtil.c
index 1d88390..2fb6a27 100644
--- a/lib/Xm/MenuUtil.c
+++ b/lib/Xm/MenuUtil.c
@@ -1053,11 +1053,7 @@ _XmMenuGrabKeyboardAndPointer(
register int status =
(_XmGrabKeyboard(widget,
-#ifdef FIX_1565
- False,
-#else
True,
-#endif
GrabModeSync,
GrabModeAsync,
time) != GrabSuccess);
diff --git a/lib/Xm/RCMenu.c b/lib/Xm/RCMenu.c
index 2c698d4..8b156da 100644
--- a/lib/Xm/RCMenu.c
+++ b/lib/Xm/RCMenu.c
@@ -85,6 +85,9 @@ static char *rcsid = "$TOG: RCMenu.c /main/25 1999/05/24 18:06:57 samborn $";
#include "TraversalI.h"
#include "UniqueEvnI.h"
#include "VendorSI.h"
+#ifdef FIX_1565
+#include <Xm/GrabShell.h>
+#endif
#define FIX_1535
@@ -943,6 +946,13 @@ _XmMenuFocus(
XmMenuState mst = _XmGetMenuState((Widget)w);
Window tmpWindow;
int tmpRevert;
+#ifdef FIX_1565
+ Widget shell;
+
+ shell = w;
+ while (! XtIsSubclass(shell, shellWidgetClass))
+ shell = XtParent(shell);
+#endif
if (_time == CurrentTime)
_time = XtLastTimestampProcessed(XtDisplay(w));
@@ -983,6 +993,11 @@ _XmMenuFocus(
shell.popped_up))
**/
{
+#ifdef FIX_1565
+ if (XtIsSubclass(shell, xmGrabShellWidgetClass) || XtIsSubclass(shell, xmMenuShellWidgetClass))
+ XmForceGrabKeyboard(w, _time);
+ else
+#endif
SetInputFocus(XtDisplay(w), mst->RC_menuFocus.oldFocus,
mst->RC_menuFocus.oldRevert,
mst->RC_menuFocus.oldTime);
@@ -996,6 +1011,11 @@ _XmMenuFocus(
*/
else
{
+#ifdef FIX_1565
+ if (XtIsSubclass(shell, xmGrabShellWidgetClass) || XtIsSubclass(shell, xmMenuShellWidgetClass))
+ XmForceGrabKeyboard(w, _time);
+ else
+#endif
SetInputFocus(XtDisplay(w), mst->RC_menuFocus.oldFocus,
mst->RC_menuFocus.oldRevert,
mst->RC_menuFocus.oldTime);
@@ -1014,6 +1034,11 @@ _XmMenuFocus(
RC_menuFocus.oldFocus);
mst->RC_menuFocus.oldTime = _time - 1;
+#ifdef FIX_1565
+ if (XtIsSubclass(shell, xmGrabShellWidgetClass) || XtIsSubclass(shell, xmMenuShellWidgetClass))
+ XmForceGrabKeyboard(w, _time);
+ else
+#endif
SetInputFocus(XtDisplay(w), XtWindow(w), mst->RC_menuFocus.oldRevert,
mst->RC_menuFocus.oldTime);
@@ -1027,6 +1052,11 @@ _XmMenuFocus(
XGetInputFocus(XtDisplay(w), &tmpWindow, &tmpRevert);
if (tmpWindow != XtWindow(w))
{
+#ifdef FIX_1565
+ if (XtIsSubclass(shell, xmGrabShellWidgetClass) || XtIsSubclass(shell, xmMenuShellWidgetClass))
+ XmForceGrabKeyboard(w, _time);
+ else
+#endif
SetInputFocus(XtDisplay(w), XtWindow(w), tmpRevert, _time);
mst->RC_menuFocus.oldRevert = tmpRevert;
@@ -1048,6 +1078,11 @@ _XmMenuFocus(
break;
case XmMENU_MIDDLE:
+#ifdef FIX_1565
+ if (XtIsSubclass(shell, xmGrabShellWidgetClass) || XtIsSubclass(shell, xmMenuShellWidgetClass))
+ XmForceGrabKeyboard(w, _time);
+ else
+#endif
SetInputFocus(XtDisplay(w), XtWindow(w),
mst->RC_menuFocus.oldRevert,
mst->RC_menuFocus.oldTime);
@@ -1062,6 +1097,11 @@ _XmMenuFocus(
if ((tmpWindow != XtWindow(w)) &&
(_time > mst->RC_menuFocus.oldTime))
{
+#ifdef FIX_1565
+ if (XtIsSubclass(shell, xmGrabShellWidgetClass) || XtIsSubclass(shell, xmMenuShellWidgetClass))
+ XmForceGrabKeyboard(w, _time);
+ else
+#endif
SetInputFocus(XtDisplay(w), XtWindow(w), tmpRevert, _time);
mst->RC_menuFocus.oldRevert = tmpRevert;
diff --git a/lib/Xm/Xm.c b/lib/Xm/Xm.c
index 3dfd794..45d48b6 100644
--- a/lib/Xm/Xm.c
+++ b/lib/Xm/Xm.c
@@ -40,6 +40,10 @@
#ifdef FIX_345
#include <X11/keysym.h>
#endif
+#ifdef FIX_1565
+#include <Xm/GrabShell.h>
+#include <Xm/MenuShell.h>
+#endif
/**************************************************************************
@@ -530,3 +534,173 @@ _XmAssignInsensitiveColor(Widget w)
return p;
}
#endif
+
+#ifdef FIX_1565
+
+typedef struct _GrabData GrabData;
+struct _GrabData {
+ Widget w;
+ GrabData *next;
+};
+
+static void _XmSendFocusEvent(Widget child, int type);
+static void _XmStartDispatcher(Display *display);
+static Boolean _XmEventDispatcher(XEvent *event);
+static void UnmapHandler(Widget w, XtPointer client_data, XEvent *event, Boolean *cont);
+static Boolean _UngrabKeyboard(Widget w);
+
+static GrabData *grabw_top = NULL;
+static int xm_dispatcher_on = 0;
+static XtEventDispatchProc saved_dispatcher_proc = NULL;
+static XtEventDispatchProc xt_dispatcher_proc = NULL;
+
+/*
+ XmForceGrabKeyboard function is defined to be a substitutor of XSetInputFocus calls
+ for popup and pulldown menus that should grab keyboard focus yet main window at the
+ same time should visually stay in focus for window manager. This resolves focus flip
+ issue when popup or pulldown menu is raised. ~ochern
+ */
+void XmForceGrabKeyboard(Widget w, Time time)
+{
+ GrabData *grabw;
+
+ if (!w)
+ return;
+
+ while (! XtIsSubclass(w, shellWidgetClass))
+ w = XtParent(w);
+
+ if (! (XtIsSubclass(w, xmGrabShellWidgetClass) || XtIsSubclass(w, xmMenuShellWidgetClass)))
+ return;
+
+ _XmStartDispatcher(XtDisplay(w));
+
+ _UngrabKeyboard(w);
+
+ grabw = (GrabData *) XtMalloc(sizeof(GrabData));
+ grabw->w = w;
+ _XmProcessLock();
+ grabw->next = grabw_top;
+ grabw_top = grabw;
+ _XmProcessUnlock();
+
+ XtInsertEventHandler(w, StructureNotifyMask, False, UnmapHandler, NULL, XtListHead);
+
+ _XmSendFocusEvent(w, FocusIn);
+
+ /* Following the XSetInputFocus behaviour we force sending FocusOut (see XGrabKeyboard(3))
+ event to a previous keyboard holder */
+ XtGrabKeyboard(w, True, GrabModeAsync, GrabModeAsync, time);
+}
+
+static void _XmStartDispatcher(Display *display)
+{
+ if (!display)
+ return;
+
+ _XmProcessLock();
+
+ if (xm_dispatcher_on) {
+ _XmProcessUnlock();
+ return;
+ }
+
+ saved_dispatcher_proc = XtSetEventDispatcher(display, KeyPress, _XmEventDispatcher);
+ if (! xt_dispatcher_proc)
+ xt_dispatcher_proc = saved_dispatcher_proc;
+ XtSetEventDispatcher(display, KeyRelease, _XmEventDispatcher);
+ xm_dispatcher_on = 1;
+
+ _XmProcessUnlock();
+}
+
+static Boolean _XmEventDispatcher(XEvent *event)
+{
+ _XmProcessLock();
+ if (grabw_top) {
+ if (event->type == KeyPress || event->type == KeyRelease)
+ event->xany.window = XtWindow(grabw_top->w);
+ }
+ _XmProcessUnlock();
+
+ if (saved_dispatcher_proc) {
+ return (*saved_dispatcher_proc)(event);
+ } else if (xt_dispatcher_proc) {
+ return (*xt_dispatcher_proc)(event);
+ } else {
+ if (grabw_top)
+ XtSetEventDispatcher(XtDisplay(grabw_top->w), event->type, NULL);
+ return XtDispatchEvent(event);
+ }
+}
+
+static void UnmapHandler(Widget w, XtPointer client_data, XEvent *event, Boolean *cont)
+{
+ if (event->type == UnmapNotify)
+ _UngrabKeyboard(w);
+ if (! grabw_top) {
+ XtSetEventDispatcher(XtDisplay(w), KeyPress, saved_dispatcher_proc);
+ XtSetEventDispatcher(XtDisplay(w), KeyRelease, saved_dispatcher_proc);
+ xm_dispatcher_on = 0;
+ }
+
+ /* we do not call XtUngrabKeyboard since X server automatically performs an
+ UngrabKeyboard request if the event window for an active keyboard grab becomes
+ not viewable. ~ochern */
+}
+
+static Boolean _UngrabKeyboard(Widget w)
+{
+ GrabData *grabw, *grabw_prev;
+
+ _XmProcessLock();
+ if (! grabw_top) {
+ _XmProcessUnlock();
+ return False;
+ }
+
+ grabw = grabw_top;
+ grabw_prev = NULL;
+ while(grabw && grabw->w != w) {
+ grabw_prev = grabw;
+ grabw = grabw->next;
+ }
+ if (grabw) {
+ if (grabw_prev)
+ grabw_prev->next = grabw->next;
+ else
+ grabw_top = grabw->next;
+ XtFree((char*) grabw);
+
+ _XmProcessUnlock();
+ return True;
+ }
+
+ _XmProcessUnlock();
+ return False;
+}
+
+static void _XmSendFocusEvent(Widget child, int type)
+{
+ child = XtIsWidget(child) ? child : _XtWindowedAncestor(child);
+ if (XtIsSensitive(child) && !child->core.being_destroyed
+ && XtIsRealized(child) && (XtBuildEventMask(child) & FocusChangeMask))
+ {
+ XFocusChangeEvent event;
+ Display* dpy = XtDisplay (child);
+
+ event.type = type;
+ event.serial = LastKnownRequestProcessed(dpy);
+ event.send_event = True;
+ event.display = dpy;
+ event.window = XtWindow(child);
+ event.mode = NotifyNormal;
+ event.detail = NotifyAncestor;
+ if (XFilterEvent((XEvent*)&event, XtWindow(child)))
+ return;
+ XtDispatchEventToWidget(child, (XEvent*)&event);
+ }
+}
+
+#endif
+
diff --git a/lib/Xm/XmI.h b/lib/Xm/XmI.h
index b4420d3..c2b819e 100644
--- a/lib/Xm/XmI.h
+++ b/lib/Xm/XmI.h
@@ -242,7 +242,9 @@ extern Boolean _XmIsISO10646(Display *dpy,
extern XChar2b* _XmUtf8ToUcs2(char *draw_text,
size_t seg_len,
size_t *ret_str_len);
-
+#ifdef FIX_1565
+extern void XmForceGrabKeyboard(Widget w, Time time);
+#endif
/******** End Private Function Declarations ********/