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* Toggle.c, vi: tabstop=4
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* Copyright (C) 1998 Rasca Gmelch, Berlin
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#define __FILE__ "Toggle.c"
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#include <X11/StringDefs.h>
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#include <X11/IntrinsicP.h>
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#include <Xw/ToggleP.h>
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#define offset(field) XtOffsetOf (XwToggleRec, field)
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static XtResource resources [] = {
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{ XtNstate, XtCState, XtRBoolean, sizeof(Boolean),
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offset(toggle.state), XtRBoolean, (XtPointer)0 },
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{ XtNdoubleClickCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
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offset(toggle.double_callbacks), XtRCallback, (XtPointer)NULL },
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{ XtNactiveColor, XtCActiveColor, XtRPixel, sizeof(Pixel),
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offset(button.active_pixel), XtRString, "white" },
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{ XtNaccel, XtCAccel, XtRString, sizeof(String),
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offset(button.accel), XtRImmediate, "toggle() notify()" },
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{ XtNlabel, XtCLabel, XtRString, sizeof(String),
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offset (label.label), XtRImmediate, NULL },
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{ XtNshadowType, XtCShadowType, XtRInt, sizeof(int),
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offset(base.shadow_type), XtRImmediate, (XtPointer)XtShadowUp },
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* action function declarations
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static void Highlight (Widget, XEvent*, String*, Cardinal *),
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Unhighlight (Widget, XEvent*, String*, Cardinal *),
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Focus (Widget, XEvent*, String*, Cardinal *),
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GetFocus (Widget, XEvent*, String*, Cardinal *),
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Reset (Widget, XEvent*, String*, Cardinal *),
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Set (Widget, XEvent*, String*, Cardinal *),
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Toggle (Widget, XEvent*, String*, Cardinal *),
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Notify (Widget, XEvent*, String*, Cardinal *),
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Unset (Widget, XEvent*, String*, Cardinal *),
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Popup (Widget, XEvent*, String*, Cardinal *),
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Tab (Widget, XEvent*, String*, Cardinal *);
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static XtActionsRec actions [] = {
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{"highlight", Highlight },
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{"unhighlight", Unhighlight },
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{"get-focus", GetFocus },
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{"tab", Tab }, /* execute the XtNtabCallback functions */
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* default translation table
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static char defaultTranslations [] = "\
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<EnterWindow>: highlight()\n\
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<LeaveWindow>: unhighlight()\n\
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<FocusIn>: focus(in)\n\
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<FocusOut>: focus(out)\n\
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<Btn1Down>,<Btn1Up>: toggle() notify() get-focus()\n\
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<Btn2Down>,<Btn2Up>: toggle() notify() get-focus()\n\
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<Btn3Down>: notify() popup()\n\
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Shift<Key>Tab: tab(prev)\n\
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<Key>Tab: tab(next)\n\
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<Key>space: toggle() notify()";
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* method function declarations
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Initialize (Widget treq, Widget tnew, ArgList args, Cardinal *nums),
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ClassInitialize (void);
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SetValues (Widget, Widget, Widget, ArgList, Cardinal* ),
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AcceptFocus (Widget w, Time *t);
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Redisplay (Widget w, XEvent *event, Region region);
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static void DrawToggle (Widget w);
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* class record initialization
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#define BaseClass ((WidgetClass)&xwBaseClassRec)
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#define SuperClass ((WidgetClass)&xwButtonClassRec)
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#define ThisClass ((WidgetClass)&xwToggleClassRec)
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XwToggleClassRec xwToggleClassRec = {
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/* core_class fields */
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/* superclass */ SuperClass,
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/* class_name */ "XwToggle",
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/* widget_size */ sizeof(XwToggleRec),
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/* class_initialize */ ClassInitialize,
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/* class_part_initialize */ NULL,
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/* class_inited */ False,
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/* initialize */ Initialize,
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/* initialize_hook */ NULL,
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/* realize */ XtInheritRealize,
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/* actions */ actions,
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/* num_actions */ XtNumber(actions),
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/* resources */ resources,
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/* num_resources */ XtNumber(resources),
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/* xrm_class */ NULLQUARK,
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/* compress_motion */ True,
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/* compress_exposure */ XtExposeCompressMultiple,
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/* compress_enterleave */ True,
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/* visible_interest */ True,
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/* destroy */ Destroy,
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/* expose */ Redisplay,
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/* set_values */ SetValues,
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/* set_values_hook */ NULL,
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/* set_values_almost */ XtInheritSetValuesAlmost,
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/* get_values_hook */ NULL,
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/* accept_focus */ AcceptFocus,
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/* version */ XtVersion,
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/* callback_private */ NULL,
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/* tm_table */ defaultTranslations,
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/* query_geometry */ XtInheritQueryGeometry,
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/* display_accelerator */ XtInheritDisplayAccelerator,
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{ /* base_class fields */
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XtInheritFocusAction,
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XtInheritGetFocusAction,
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{ /* label_class fields */
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{ /* button_class fields */
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{ /* toggle_class fields */
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WidgetClass xwToggleWidgetClass = ThisClass;
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* method function definitions
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#define FontHeight(f) (int)(f->max_bounds.ascent + f->max_bounds.descent)
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#define FontAscent(f) (int)(f->max_bounds.ascent)
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#define FontDescent(f) (int)(f->max_bounds.descent)
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#define TextWidth(f,s) XTextWidth (f,s,strlen(s))
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ClassInitialize (void)
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XtRegisterGrabAction (Popup, True,
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ButtonPressMask | ButtonReleaseMask,
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GrabModeAsync, GrabModeAsync);
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Initialize (Widget treq, Widget tnew, ArgList args, Cardinal *num_args)
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XwToggleWidget new = (XwToggleWidget) tnew;
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printf ("%s: Initialize(%s) state=%d\n",
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__FILE__, new->core.name, new->toggle.state);
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if (new->base.shadow_type != XtShadowNone) {
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if (new->toggle.state > 0)
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new->base.shadow_type = XtShadowDown;
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new->base.shadow_type = XtShadowUp;
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new->toggle.multi_click_time = XtGetMultiClickTime (XtDisplay(new)) * 1.2;
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SetValues (Widget current, Widget request, Widget super,
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ArgList args, Cardinal *nargs)
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Boolean redraw = False;
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XwToggleWidget tw = (XwToggleWidget) current;
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XwToggleWidget newi = (XwToggleWidget) super;
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if (tw->toggle.state != newi->toggle.state) {
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if (newi->base.shadow_type != XtShadowNone) {
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if (newi->toggle.state) {
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newi->base.shadow_type = XtShadowDown;
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newi->base.shadow_type = XtShadowUp;
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if (tw->core.sensitive != newi->core.sensitive) {
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printf ("%s: SetValues(%s ..) redraw=%d\n", __FILE__, newi->core.name, (int)redraw);
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printf ("%s: Destroy (%s)\n", __FILE__, w->core.name);
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printf ("%s: Resize(%s)\n", __FILE__, w->core.name);
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Redisplay (Widget w, XEvent *event, Region region)
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printf ("%s: Redisplay(%s)\n", __FILE__, w->core.name);
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if (!XtIsRealized(w))
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if (!((XwToggleWidget)w)->base.shadow_width) {
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(*xwButtonClassRec.core_class.expose)(w, event, region);
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AcceptFocus (Widget w, Time *t)
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printf ("%s: AcceptFocus(%s)\n", __FILE__, w->core.name);
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if (!XtIsRealized(w))
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if (!XtIsSensitive(w))
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* action function definitions
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Highlight (Widget w, XEvent *event, String *params, Cardinal *num_params)
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/* static Pixel bg; */
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XwToggleWidget tw = (XwToggleWidget) w;
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printf ("%s: Highlight(%s) event=%d\n", __FILE__, tw->label.text, event->type);
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if (!tw->core.sensitive)
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tw->label.textGC = tw->button.focusGC;
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tw->button.bgGC = tw->button.focus_bg_gc;
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Unhighlight (Widget w, XEvent *event, String *params, Cardinal *num_params)
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/* static Pixel bg; */
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XwToggleWidget tw = (XwToggleWidget) w;
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printf ("%s: Unhighlight(%s) event=%d\n", __FILE__, tw->label.text, event->type);
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if (!tw->core.sensitive)
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tw->label.textGC = tw->label.sensitiveGC;
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tw->button.bgGC = tw->button.std_bg_gc;
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Reset (Widget w, XEvent *event, String *params, Cardinal *num_params)
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XwToggleWidget bw = (XwToggleWidget) w;
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printf ("%s:Reset(%s)\n", __FILE__, bw->label.text);
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if (bw->toggle.state) {
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Unset (w, event, params, num_params);
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Unhighlight (w, event, params, num_params);
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Notify (Widget w, XEvent *event, String *params, Cardinal *num_params)
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XwToggleWidget tw = (XwToggleWidget) w;
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Boolean doubleClick = False;
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printf ("%s: Notify(%s)\n", __FILE__, tw->label.text);
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if (event->type == ButtonRelease) {
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if ( event->xbutton.time - tw->toggle.time
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< tw->toggle.multi_click_time ) {
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if (!tw->toggle.state) {
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tw->toggle.state = True;
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XtVaSetValues (w, XtNshadowType, XtShadowDown, NULL);
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XtCallCallbackList (w, tw->toggle.double_callbacks, event);
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tw->toggle.time = event->xbutton.time;
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XtCallCallbackList (w, tw->button.notify_callbacks, (XtPointer)event);
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Set (Widget w, XEvent *event, String *params, Cardinal *num_params)
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XwToggleWidget bw = (XwToggleWidget) w;
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printf ("%s:Set(%s)\n", __FILE__, bw->label.text);
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if (bw->toggle.state)
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bw->toggle.state = True;
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XtVaSetValues (w, XtNshadowType, XtShadowDown, NULL);
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Unset (Widget w, XEvent *event, String *params, Cardinal *num_params)
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XwToggleWidget bw = (XwToggleWidget) w;
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printf ("%s:Unset(%s)\n", __FILE__, bw->label.text);
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if (!bw->toggle.state)
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bw->toggle.state = False;
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XtVaSetValues (w, XtNshadowType, XtShadowUp, NULL);
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Popup (Widget w, XEvent *event, String *params, Cardinal *num_params)
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printf ("%s: Popup(%s)\n", __FILE__, w->core.name);
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(*xwToggleClassRec.button_class.popup_menu)(w, event, params, num_params);
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Toggle (Widget w, XEvent *event, String *params, Cardinal *num_params)
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XwToggleWidget tw = (XwToggleWidget) w;
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printf ("%s: Toggle(%s)\n", __FILE__, tw->label.text);
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if (tw->toggle.state) {
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tw->toggle.state = False;
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XtVaSetValues (w, XtNshadowType, XtShadowUp, NULL);
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tw->toggle.state = True;
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XtVaSetValues (w, XtNshadowType, XtShadowDown, NULL);
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* called if tab is pressed
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Tab (Widget w, XEvent *event, String *params, Cardinal *num_params)
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fprintf (stderr, "%s: Tab_action()\n", __FILE__);
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(*xwToggleClassRec.base_class.tab_action)(w, event, params, num_params);
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Focus (Widget w, XEvent *event, String *params, Cardinal *num_params)
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fprintf (stderr, "%s: Focus()\n", __FILE__);
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(*xwToggleClassRec.base_class.focus_action)(w, event, params, num_params);
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GetFocus (Widget w, XEvent *event, String *params, Cardinal *num_params)
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fprintf (stderr, "%s: GetFocus()\n", __FILE__);
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(*xwToggleClassRec.base_class.getfocus_action)(w,event, params, num_params);
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DrawToggle (Widget w)
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XwToggleWidget tw = (XwToggleWidget) w;
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printf ("%s: DrawToggle(%s)\n", __FILE__, w->core.name);
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if (!XtIsRealized(w))
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(*xwToggleClassRec.button_class.draw_button)(w);
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if (!tw->base.shadow_width) {
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if (tw->toggle.state) {
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gc = tw->label.textGC;
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gc = tw->button.bgGC;
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XDrawRectangle (XtDisplay(w), XtWindow(w), gc, 0, 0,
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tw->core.width-1, tw->core.height-1);
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XwToggleWidget tw = (XwToggleWidget) w;
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return ((Boolean)tw->toggle.state);
added
removed
Xw/Toggle.c
