Source

xemacs-21.4 / lwlib / xlwcheckbox.c

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
/* Checkbox Widget for XEmacs.
   Copyright (C) 1999 Edward A. Falk

This file is part of XEmacs.

XEmacs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

XEmacs is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Synched up with: Checkbox.c 1.1 */

/*
 * Checkbox.c - Checkbox button widget
 *
 * Author: Edward A. Falk
 *         falk@falconer.vip.best.com
 *  
 * Date:   June 30, 1997
 *
 * Overview:  This widget is identical to the Radio widget in behavior,
 * except that the button is square and has a check mark.
 */


#include <config.h>
#include <stdio.h>

#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/XawInit.h>
#include "../src/xmu.h"
#include "xlwcheckboxP.h"


/* by using the same size for the checkbox as for the diamond box,
 * we can let the Radio widget do the vast majority of the work.
 */

#define	BOX_SIZE	8
#define	DRAW_CHECK	0	/* don't draw the check mark */

#define	cclass(w)	((CheckboxWidgetClass)((w)->core.widget_class))

#ifdef	_ThreeDP_h
#define	swid(cw)	((cw)->threeD.shadow_width)
#else
#define	swid(cw)	((cw)->core.border_width)
#endif

#define	bsize(cw)	(cclass(cw)->radio_class.dsize)
#define	bs(cw)		(bsize(cw) + 2*swid(cw))


#if	DRAW_CHECK
#define check_width 14
#define check_height 14
static u_char check_bits[] = {
   0x00, 0x00, 0x00, 0x20, 0x00, 0x18, 0x00, 0x0c, 0x00, 0x06, 0x00, 0x03,
   0x8c, 0x03, 0xde, 0x01, 0xff, 0x01, 0xfe, 0x00, 0xfc, 0x00, 0x78, 0x00,
   0x70, 0x00, 0x20, 0x00};
#endif


/****************************************************************
 *
 * Full class record constant
 *
 ****************************************************************/


#if DRAW_CHECK
static char defaultTranslations[] =
    "<EnterWindow>:	highlight()\n\
     <LeaveWindow>:	unpress(draw) unhighlight()\n\
     <Btn1Down>:	press()\n\
     <Btn1Down>,<Btn1Up>:   unpress(nodraw) toggle() notify()";
#endif



#define	offset(field)	XtOffsetOf(CheckboxRec, field)
static	XtResource	resources[] = {
  {XtNtristate, XtCTristate, XtRBoolean, sizeof(Boolean),
    offset(checkbox.tristate), XtRImmediate, (XtPointer)FALSE},
} ;
#undef	offset

	/* Member functions */

static void CheckboxClassInit (void);
static void CheckboxInit (Widget, Widget, ArgList, Cardinal *);
#if DRAW_CHECK
static void CheckboxRealize (Widget, Mask *, XSetWindowAttributes *);
#endif
static void DrawCheck (Widget);


	/* Action procs */
#if DRAW_CHECK
static void CheckboxPress   (Widget, XEvent *, String *, Cardinal *);
static void CheckboxUnpress (Widget, XEvent *, String *, Cardinal *);
#endif

	/* internal privates */

#if DRAW_CHECK
static	XtActionsRec	actionsList[] =
{
  {"press",	CheckboxPress},
  {"unpress",	CheckboxUnpress},
} ;
#endif

#define SuperClass ((RadioWidgetClass)&radioClassRec)

CheckboxClassRec checkboxClassRec = {
  {
    (WidgetClass) SuperClass,		/* superclass		*/	
    "Checkbox",				/* class_name		*/
    sizeof(CheckboxRec),		/* size			*/
    CheckboxClassInit,			/* class_initialize	*/
    NULL,				/* class_part_initialize  */
    FALSE,				/* class_inited		*/
    CheckboxInit,			/* initialize		*/
    NULL,				/* initialize_hook	*/
#if DRAW_CHECK
    CheckboxRealize,			/* realize		*/
    actionsList,			/* actions		*/
    XtNumber(actionsList),		/* num_actions		*/
#else
    XtInheritRealize,			/* realize		*/
    NULL,				/* actions		*/
    0,					/* num_actions		*/
#endif
    resources,				/* resources		*/
    XtNumber(resources),		/* resource_count	*/
    NULLQUARK,				/* xrm_class		*/
    TRUE,				/* compress_motion	*/
    TRUE,				/* compress_exposure	*/
    TRUE,				/* compress_enterleave	*/
    FALSE,				/* visible_interest	*/
    NULL,				/* destroy		*/
    XtInheritResize,			/* resize		*/
    XtInheritExpose,			/* expose		*/
    NULL,				/* set_values		*/
    NULL,				/* set_values_hook	*/
    XtInheritSetValuesAlmost,		/* set_values_almost	*/
    NULL,				/* get_values_hook	*/
    NULL,				/* accept_focus		*/
    XtVersion,				/* version		*/
    NULL,				/* callback_private	*/
#if DRAW_CHECK
    defaultTranslations,		/* tm_table		*/
#else
    XtInheritTranslations,		/* tm_table		*/
#endif
    XtInheritQueryGeometry,		/* query_geometry	*/
    XtInheritDisplayAccelerator,	/* display_accelerator	*/
    NULL				/* extension		*/
  },  /* CoreClass fields initialization */
  {
    XtInheritChangeSensitive		/* change_sensitive	*/ 
  },  /* SimpleClass fields initialization */
#ifdef	_ThreeDP_h
  {
    XtInheritXaw3dShadowDraw		/* field not used	*/
  },  /* ThreeDClass fields initialization */
#endif
  {
    0					  /* field not used	*/
  },  /* LabelClass fields initialization */
  {
    0					  /* field not used	*/
  },  /* CommandClass fields initialization */
  {
      RadioSet,				/* Set Procedure.	*/
      RadioUnset,			/* Unset Procedure.	*/
      NULL				/* extension.		*/
  },  /* ToggleClass fields initialization */
  {
      BOX_SIZE,
      DrawCheck,			/* draw procedure */
      NULL				/* extension. */
  },  /* RadioClass fields initialization */
  {
      NULL				/* extension. */
  },  /* CheckboxClass fields initialization */
};

  /* for public consumption */
WidgetClass checkboxWidgetClass = (WidgetClass) &checkboxClassRec;






/****************************************************************
 *
 * Class Methods
 *
 ****************************************************************/

static void
CheckboxClassInit (void)
{
  XawInitializeWidgetSet();
}


/*ARGSUSED*/
static void
CheckboxInit (Widget   request,
	      Widget   new,
	      ArgList  args,
	      Cardinal *num_args)
{
#if DRAW_CHECK
    CheckboxWidget cw = (CheckboxWidget) new;
    cw->checkbox.checkmark = None ;
    cw->checkbox.checkmark_GC = None ;
#endif
}


#if DRAW_CHECK
static void
CheckboxRealize(Widget w,
		Mask *valueMask,
		XSetWindowAttributes *attributes)
{
    CheckboxWidget cw = (CheckboxWidget) w;
    XtGCMask	value_mask, dynamic_mask, dontcare_mask ;
    XGCValues	values ;

    /* first, call superclass realize */
    (*checkboxWidgetClass->core_class.superclass->core_class.realize)
	(w, valueMask, attributes);

    /* TODO: cache this via xmu */
    if( cw->checkbox.checkmark == None )
      cw->checkbox.checkmark =
	XCreateBitmapFromData( XtDisplay(w), XtWindow(w),
		check_bits,check_width,check_height);

    values.fill_style = FillStippled ;
    values.stipple = cw->checkbox.checkmark ;
    values.foreground = cw->label.foreground ;
    value_mask = GCFillStyle | GCStipple | GCForeground ;
    dynamic_mask = GCTileStipXOrigin | GCTileStipYOrigin ;
    dontcare_mask = GCLineWidth | GCLineStyle | GCCapStyle | GCJoinStyle |
    	GCFont | GCSubwindowMode | GCGraphicsExposures |
	GCDashOffset | GCDashList | GCArcMode ;
    cw->checkbox.checkmark_GC =
      XtAllocateGC(w, 0, value_mask, &values, dynamic_mask, dontcare_mask) ;
}
#endif


/*	Function Name: CheckboxDestroy
 *	Description: Destroy Callback for checkbox widget.
 *	Arguments: w - the checkbox widget that is being destroyed.
 *                 junk, grabage - not used.
 *	Returns: none.
 */

/* ARGSUSED */
static void
CheckboxDestroy (Widget w,
		 XtPointer junk,
		 XtPointer garbage)
{
#if DRAW_CHECK
    CheckboxWidget cw = (CheckboxWidget) w;

    /* TODO: cache this via xmu */
    if( cw->checkbox.checkmark != None )
      XFreePixmap( XtDisplay(w), cw->checkbox.checkmark ) ;
    if( cw->checkbox.checkmark_GC != None )
      XtReleaseGC(w, cw->checkbox.checkmark_GC) ;
#endif
}



#if DRAW_CHECK
/************************************************************
 *
 *  Actions Procedures
 *
 ************************************************************/

/* ARGSUSED */
static	void
CheckboxPress (Widget   w,
	       XEvent   *event,
	       String   *params,     /* unused */
	       Cardinal *num_params) /* unused */
{
  CheckboxWidget	cw = (CheckboxWidget) w ;
  if( !cw->checkbox.pressed ) {
    cw->checkbox.pressed = TRUE ;
    ((CheckboxWidgetClass)(w->core.widget_class))->radio_class.drawDiamond(w) ;
  }
}

static	void
CheckboxUnpress (Widget   w,
		 XEvent   *event,
		 String   *params,     /* unused */
		 Cardinal *num_params) /* unused */
{
  CheckboxWidget	cw = (CheckboxWidget) w ;
  int			i ;

  if( cw->checkbox.pressed ) {
    cw->checkbox.pressed = FALSE ;
    if( *num_params > 0  &&  **params == 'd' )
      ((CheckboxWidgetClass)(w->core.widget_class))->radio_class.drawDiamond(w);
  }
}
#endif





/************************************************************
 *
 *  Internal Procedures
 *
 ************************************************************/

static	void
DrawCheck (Widget w)
{
	CheckboxWidget	cw = (CheckboxWidget) w ;
	Display		*dpy = XtDisplay(w) ;
	Window		win = XtWindow(w) ;
	GC		gc ;

#ifdef	_ThreeDP_h
	XPoint		pts[6] ;
#endif
	Dimension	s = swid(cw);
	Dimension	bsz = bsize(cw);
	Position	bx,by ;		/* Check upper-left */
	Dimension	bw,bh ;
#ifdef	_ThreeDP_h
	GC		top, bot;
#endif
	GC		ctr ;

	/* foreground GC */
	gc = XtIsSensitive(w) ? cw->command.normal_GC : cw->label.gray_GC ;

	bw = bh = bs(cw) ;
	bx = cw->label.internal_width ;
	by = cw->core.height/2 - bh/2 ;

#ifdef	_ThreeDP_h
	if( !cw->command.set ) {
	  top = cw->threeD.top_shadow_GC ;
	  bot = cw->threeD.bot_shadow_GC ;
	} else {
	  top = cw->threeD.bot_shadow_GC ;
	  bot = cw->threeD.top_shadow_GC ;
	}
	ctr = cw->command.inverse_GC ;
#else
	ctr = cw->command.set ? cw->command.normal_GC : cw->command.inverse_GC ;
#endif

	XFillRectangle(dpy,win,ctr, bx+s,by+s, bsz,bsz) ;

#ifdef	_ThreeDP_h
	/* top-left shadow */
	pts[0].x = bx ;		pts[0].y = by ;
	pts[1].x = bw ;		pts[1].y = 0 ;
	pts[2].x = -s ;		pts[2].y = s ;
	pts[3].x = -bsz ;	pts[3].y = 0 ;
	pts[4].x = 0 ;		pts[4].y = bsz ;
	pts[5].x = -s ;		pts[5].y = s ;
	XFillPolygon(dpy,win,top, pts,6, Nonconvex,CoordModePrevious) ;
	/* bottom-right shadow */
	pts[0].x = bx+bw ;	pts[0].y = by+bh ;
	pts[1].x = -bw ;	pts[1].y = 0 ;
	pts[2].x = s ;		pts[2].y = -s ;
	pts[3].x = bsz ;	pts[3].y = 0 ;
	pts[4].x = 0 ;		pts[4].y = -bsz ;
	pts[5].x = s ;		pts[5].y = -s ;
	XFillPolygon(dpy,win,bot, pts,6, Nonconvex,CoordModePrevious) ;
#else
	XDrawRectangle(dpy,win,gc, bx+s,by+s, bsz,bsz) ;
#endif

#if DRAW_CHECK
	if( cw->command.set && cw->checkbox.checkmark_GC != None ) {
	  XSetTSOrigin(dpy,cw->checkbox.checkmark_GC, bx+s, by+s) ;
	  XFillRectangle(dpy,win,cw->checkbox.checkmark_GC,
	  	bx+s, by+s, check_width,check_height) ;
	}
#endif
}
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.