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-rw-r--r--libXaw/src/Repeater.c300
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diff --git a/libXaw/src/Repeater.c b/libXaw/src/Repeater.c
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+/*
+ * $Xorg: Repeater.c,v 1.4 2001/02/09 02:03:45 xorgcvs Exp $
+ *
+Copyright 1990, 1994, 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.
+ *
+ * Author: Jim Fulton, MIT X Consortium
+ *
+ * This widget is used for press-and-hold style buttons.
+ */
+/* $XFree86: xc/lib/Xaw/Repeater.c,v 1.6 2001/01/17 19:42:29 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/RepeaterP.h>
+#include <X11/Xaw/XawInit.h>
+
+#define DO_CALLBACK(rw) \
+XtCallCallbackList((Widget)rw, rw->command.callbacks, NULL)
+
+#define ADD_TIMEOUT(rw, delay) \
+XtAppAddTimeOut(XtWidgetToApplicationContext((Widget)rw), \
+ delay, tic, (XtPointer)rw)
+
+#define CLEAR_TIMEOUT(rw) \
+if ((rw)->repeater.timer) { \
+ XtRemoveTimeOut((rw)->repeater.timer); \
+ (rw)->repeater.timer = 0; \
+}
+
+/*
+ * Class Methods
+ */
+static void XawRepeaterInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawRepeaterDestroy(Widget);
+static Boolean XawRepeaterSetValues(Widget, Widget, Widget,
+ ArgList, Cardinal*);
+
+/*
+ * Prototypes
+ */
+static void tic(XtPointer, XtIntervalId*);
+
+/*
+ * Actions
+ */
+static void ActionStart(Widget, XEvent*, String*, Cardinal*);
+static void ActionStop(Widget, XEvent*, String*, Cardinal*);
+
+/*
+ * Initialization
+ */
+static char defaultTranslations[] =
+"<Enter>:" "highlight()\n"
+"<Leave>:" "unhighlight()\n"
+"<Btn1Down>:" "set() start()\n"
+"<Btn1Up>:" "stop() unset()\n"
+;
+
+static XtActionsRec actions[] = {
+ {"start", ActionStart},
+ {"stop", ActionStop},
+};
+
+#define offset(field) XtOffsetOf(RepeaterRec, repeater.field)
+static XtResource resources[] = {
+ {
+ XtNdecay,
+ XtCDecay,
+ XtRInt,
+ sizeof(int),
+ offset(decay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_DECAY
+ },
+ {
+ XtNinitialDelay,
+ XtCDelay,
+ XtRInt,
+ sizeof(int),
+ offset(initial_delay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_INITIAL_DELAY
+ },
+ {
+ XtNminimumDelay,
+ XtCMinimumDelay,
+ XtRInt,
+ sizeof(int),
+ offset(minimum_delay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_MINIMUM_DELAY
+ },
+ {
+ XtNrepeatDelay,
+ XtCDelay,
+ XtRInt,
+ sizeof(int),
+ offset(repeat_delay),
+ XtRImmediate,
+ (XtPointer)REP_DEF_REPEAT_DELAY
+ },
+ {
+ XtNflash,
+ XtCBoolean,
+ XtRBoolean,
+ sizeof(Boolean),
+ offset(flash),
+ XtRImmediate,
+ (XtPointer)False
+ },
+ {
+ XtNstartCallback,
+ XtCStartCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(start_callbacks),
+ XtRImmediate,
+ NULL
+ },
+ {
+ XtNstopCallback,
+ XtCStopCallback,
+ XtRCallback,
+ sizeof(XtPointer),
+ offset(stop_callbacks),
+ XtRImmediate,
+ NULL
+ },
+};
+#undef offset
+
+#define Superclass (&commandClassRec)
+RepeaterClassRec repeaterClassRec = {
+ /* core */
+ {
+ (WidgetClass)Superclass, /* superclass */
+ "Repeater", /* class_name */
+ sizeof(RepeaterRec), /* widget_size */
+ XawInitializeWidgetSet, /* class_initialize */
+ NULL, /* class_part_initialize */
+ False, /* class_inited */
+ XawRepeaterInitialize, /* initialize */
+ NULL, /* initialize_hook */
+ XtInheritRealize, /* realize */
+ actions, /* actions */
+ XtNumber(actions), /* num_actions */
+ resources, /* resources */
+ XtNumber(resources), /* num_resources */
+ NULLQUARK, /* xrm_class */
+ True, /* compress_motion */
+ True, /* compress_exposure */
+ True, /* compress_enterleave */
+ False, /* visible_interest */
+ XawRepeaterDestroy, /* destroy */
+ XtInheritResize, /* resize */
+ XtInheritExpose, /* expose */
+ XawRepeaterSetValues, /* set_values */
+ NULL, /* set_values_hook */
+ XtInheritSetValuesAlmost, /* set_values_almost */
+ NULL, /* get_values_hook */
+ NULL, /* accept_focus */
+ XtVersion, /* version */
+ NULL, /* callback_private */
+ defaultTranslations, /* tm_table */
+ XtInheritQueryGeometry, /* query_geometry */
+ XtInheritDisplayAccelerator, /* display_accelerator */
+ NULL, /* extension */
+ },
+ /* simple */
+ {
+ XtInheritChangeSensitive, /* change_sensitive */
+ },
+ /* label */
+ {
+ NULL, /* extension */
+ },
+ /* command */
+ {
+ NULL, /* extension */
+ },
+ /* repeater */
+ {
+ NULL, /* extension */
+ },
+};
+
+WidgetClass repeaterWidgetClass = (WidgetClass) &repeaterClassRec;
+
+
+/*
+ * Implementation
+ */
+/*ARGSUSED*/
+static void
+tic(XtPointer client_data, XtIntervalId *id)
+{
+ RepeaterWidget rw = (RepeaterWidget)client_data;
+
+ rw->repeater.timer = 0; /* timer is removed */
+ if (rw->repeater.flash) {
+ Widget w = (Widget)rw;
+
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ XtCallActionProc(w, "reset", NULL, NULL, 0);
+ XClearWindow(XtDisplay(w), XtWindow(w));
+ XtCallActionProc(w, "set", NULL, NULL, 0);
+ }
+ DO_CALLBACK(rw);
+
+ rw->repeater.timer = ADD_TIMEOUT(rw, rw->repeater.next_delay);
+
+ if (rw->repeater.decay) {
+ rw->repeater.next_delay -= rw->repeater.decay;
+ if (rw->repeater.next_delay < rw->repeater.minimum_delay)
+ rw->repeater.next_delay = rw->repeater.minimum_delay;
+ }
+}
+
+/*ARGSUSED*/
+static void
+XawRepeaterInitialize(Widget greq, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ RepeaterWidget cnew = (RepeaterWidget)gnew;
+
+ if (cnew->repeater.minimum_delay < 0)
+ cnew->repeater.minimum_delay = 0;
+ cnew->repeater.timer = 0;
+}
+
+static void
+XawRepeaterDestroy(Widget gw)
+{
+ CLEAR_TIMEOUT((RepeaterWidget)gw);
+}
+
+/*ARGSUSED*/
+static Boolean
+XawRepeaterSetValues(Widget gcur, Widget greq, Widget gnew,
+ ArgList args, Cardinal *num_args)
+{
+ RepeaterWidget cur = (RepeaterWidget)gcur;
+ RepeaterWidget cnew = (RepeaterWidget)gnew;
+
+ if (cur->repeater.minimum_delay != cnew->repeater.minimum_delay) {
+ if (cnew->repeater.next_delay < cnew->repeater.minimum_delay)
+ cnew->repeater.next_delay = cnew->repeater.minimum_delay;
+ }
+
+ return (False);
+}
+
+/*ARGSUSED*/
+static void
+ActionStart(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ RepeaterWidget rw = (RepeaterWidget)gw;
+
+ CLEAR_TIMEOUT(rw);
+ if (rw->repeater.start_callbacks)
+ XtCallCallbackList(gw, rw->repeater.start_callbacks, NULL);
+
+ DO_CALLBACK(rw);
+ rw->repeater.timer = ADD_TIMEOUT(rw, rw->repeater.initial_delay);
+ rw->repeater.next_delay = rw->repeater.repeat_delay;
+}
+
+/*ARGSUSED*/
+static void
+ActionStop(Widget gw, XEvent *event, String *params, Cardinal *num_params)
+{
+ RepeaterWidget rw = (RepeaterWidget)gw;
+
+ CLEAR_TIMEOUT((RepeaterWidget)gw);
+ if (rw->repeater.stop_callbacks)
+ XtCallCallbackList(gw, rw->repeater.stop_callbacks, NULL);
+}
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