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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/Xt/TMgrab.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/lib/Xt/TMgrab.c')
-rw-r--r-- | nx-X11/lib/Xt/TMgrab.c | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/nx-X11/lib/Xt/TMgrab.c b/nx-X11/lib/Xt/TMgrab.c new file mode 100644 index 000000000..9fc4df982 --- /dev/null +++ b/nx-X11/lib/Xt/TMgrab.c @@ -0,0 +1,336 @@ +/* $Xorg: TMgrab.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */ + +/*********************************************************** +Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts +Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or Sun not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- +NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI- +ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR +PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH +THE USE OR PERFORMANCE OF THIS SOFTWARE. + +******************************************************************/ + +/* + +Copyright 1987, 1988, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/Xt/TMgrab.c,v 1.3 2001/12/14 19:56:30 dawes Exp $ */ + +/*LINTLIBRARY*/ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "IntrinsicI.h" + +typedef struct _GrabActionRec { + struct _GrabActionRec* next; + XtActionProc action_proc; + Boolean owner_events; + unsigned int event_mask; + int pointer_mode, keyboard_mode; +} GrabActionRec; + +static GrabActionRec *grabActionList = NULL; + +static void GrabAllCorrectKeys( + Widget widget, + TMTypeMatch typeMatch, + TMModifierMatch modMatch, + GrabActionRec* grabP) +{ + Display *dpy = XtDisplay(widget); + KeyCode *keycodes, *keycodeP; + Cardinal keycount; + Modifiers careOn = 0; + Modifiers careMask = 0; + + if (modMatch->lateModifiers) { + Boolean resolved; + resolved = _XtComputeLateBindings(dpy, modMatch->lateModifiers, + &careOn, &careMask); + if (!resolved) return; + } + careOn |= modMatch->modifiers; + careMask |= modMatch->modifierMask; + + XtKeysymToKeycodeList( + dpy, + (KeySym)typeMatch->eventCode, + &keycodes, + &keycount + ); + if (keycount == 0) return; + for (keycodeP = keycodes; keycount--; keycodeP++) { + if (modMatch->standard) { + /* find standard modifiers that produce this keysym */ + KeySym keysym; + int std_mods, least_mod; + Modifiers modifiers_return; + XtTranslateKeycode( dpy, *keycodeP, (Modifiers)0, + &modifiers_return, &keysym ); + if (careOn & modifiers_return) + return; + if (keysym == typeMatch->eventCode) { + XtGrabKey(widget, *keycodeP, careOn, + grabP->owner_events, + grabP->pointer_mode, + grabP->keyboard_mode + ); + /* continue; */ /* grab all modifier combinations */ + } + least_mod = modifiers_return & (~modifiers_return + 1); + for (std_mods = modifiers_return; + std_mods >= least_mod; std_mods--) { + Modifiers dummy; + /* check all useful combinations of modifier bits */ + if (modifiers_return & std_mods && + !(~modifiers_return & std_mods)) { + XtTranslateKeycode( dpy, *keycodeP, + (Modifiers)std_mods, + &dummy, &keysym ); + if (keysym == typeMatch->eventCode) { + XtGrabKey(widget, *keycodeP, + careOn | (Modifiers) std_mods, + grabP->owner_events, + grabP->pointer_mode, + grabP->keyboard_mode + ); + /* break; */ /* grab all modifier combinations */ + } + } + } + } else /* !event->standard */ { + XtGrabKey(widget, *keycodeP, careOn, + grabP->owner_events, + grabP->pointer_mode, + grabP->keyboard_mode + ); + } + } + XtFree((char *)keycodes); +} + +typedef struct { + TMShortCard count; + Widget widget; + GrabActionRec *grabP; +}DoGrabRec; + +static Boolean DoGrab( + StatePtr state, + XtPointer data) +{ + DoGrabRec *doGrabP = (DoGrabRec *)data; + GrabActionRec* grabP = doGrabP->grabP; + Widget widget = doGrabP->widget; + TMShortCard count = doGrabP->count; + TMShortCard typeIndex = state->typeIndex; + TMShortCard modIndex = state->modIndex; + ActionRec *action; + TMTypeMatch typeMatch; + TMModifierMatch modMatch; + Modifiers careOn = 0; + Modifiers careMask = 0; + Boolean resolved; + + LOCK_PROCESS; + typeMatch = TMGetTypeMatch(typeIndex); + modMatch = TMGetModifierMatch(modIndex); + + for (action = state->actions; action; action = action->next) + if (count == action->idx) break; + if (!action) { + UNLOCK_PROCESS; + return False; + } + + switch (typeMatch->eventType) { + case ButtonPress: + case ButtonRelease: + if (modMatch->lateModifiers) { + resolved = _XtComputeLateBindings(XtDisplay(widget), + modMatch->lateModifiers, + &careOn, &careMask); + if (!resolved) break; + } + careOn |= modMatch->modifiers; + XtGrabButton( + widget, + (unsigned) typeMatch->eventCode, + careOn, + grabP->owner_events, + grabP->event_mask, + grabP->pointer_mode, + grabP->keyboard_mode, + None, + None + ); + break; + + case KeyPress: + case KeyRelease: + GrabAllCorrectKeys(widget, typeMatch, modMatch, grabP); + break; + + case EnterNotify: + break; + + default: + XtAppWarningMsg(XtWidgetToApplicationContext(widget), + "invalidPopup","unsupportedOperation",XtCXtToolkitError, + "Pop-up menu creation is only supported on Button, Key or EnterNotify events.", + (String *)NULL, (Cardinal *)NULL); + break; + } + UNLOCK_PROCESS; + return False; +} + +void _XtRegisterGrabs( + Widget widget) +{ + XtTranslations xlations = widget->core.tm.translations; + TMComplexStateTree *stateTreePtr; + unsigned int count; + TMShortCard i; + TMBindData bindData = (TMBindData) widget->core.tm.proc_table; + XtActionProc *procs; + + if (! XtIsRealized(widget) || widget->core.being_destroyed) + return; + + /* walk the widget instance action bindings table looking for */ + /* actions registered as grab actions. */ + /* when you find one, do a grab on the triggering event */ + + if (xlations == NULL) return; + stateTreePtr = (TMComplexStateTree *) xlations->stateTreeTbl; + if (*stateTreePtr == NULL) return; + for (i = 0; i < xlations->numStateTrees; i++, stateTreePtr++) { + if (bindData->simple.isComplex) + procs = TMGetComplexBindEntry(bindData, i)->procs; + else + procs = TMGetSimpleBindEntry(bindData, i)->procs; + for (count=0; count < (*stateTreePtr)->numQuarks; count++) { + GrabActionRec* grabP; + DoGrabRec doGrab; + + LOCK_PROCESS; + for (grabP = grabActionList; grabP != NULL; grabP = grabP->next) { + if (grabP->action_proc == procs[count]) { + /* we've found a "grabber" in the action table. Find the + * states that call this action. Note that if there is + * more than one "grabber" in the action table, we end + * up searching all of the states multiple times. + */ + doGrab.widget = widget; + doGrab.grabP = grabP; + doGrab.count = count; + _XtTraverseStateTree((TMStateTree)*stateTreePtr, + DoGrab, + (XtPointer)&doGrab); + } + } + UNLOCK_PROCESS; + } + } +} + +void XtRegisterGrabAction( + XtActionProc action_proc, + _XtBoolean owner_events, + unsigned int event_mask, + int pointer_mode, + int keyboard_mode) +{ + GrabActionRec* actionP; + + LOCK_PROCESS; + for (actionP = grabActionList; actionP != NULL; actionP = actionP->next) { + if (actionP->action_proc == action_proc) break; + } + if (actionP == NULL) { + actionP = XtNew(GrabActionRec); + actionP->action_proc = action_proc; + actionP->next = grabActionList; + grabActionList = actionP; + } +#ifdef DEBUG + else + if ( actionP->owner_events != owner_events + || actionP->event_mask != event_mask + || actionP->pointer_mode != pointer_mode + || actionP->keyboard_mode != keyboard_mode) { + Cardinal n = 0; + XtWarningMsg( + "argsReplaced", "xtRegisterGrabAction", XtCXtToolkitError, + "XtRegisterGrabAction called on same proc with different args", + NULL, &n); + } +#endif /*DEBUG*/ + + actionP->owner_events = owner_events; + actionP->event_mask = event_mask; + actionP->pointer_mode = pointer_mode; + actionP->keyboard_mode = keyboard_mode; + UNLOCK_PROCESS; +} + +/*ARGSUSED*/ +void _XtGrabInitialize( + XtAppContext app) +{ + LOCK_PROCESS; + if (grabActionList == NULL) + XtRegisterGrabAction( XtMenuPopupAction, True, + (unsigned)(ButtonPressMask | ButtonReleaseMask), + GrabModeAsync, + GrabModeAsync + ); + UNLOCK_PROCESS; + +} |