QvisExpressionsWindow.C 32.5 KB
Newer Older
hrchilds's avatar
hrchilds committed
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
/*****************************************************************************
*
* Copyright (c) 2000 - 2006, The Regents of the University of California
* Produced at the Lawrence Livermore National Laboratory
* All rights reserved.
*
* This file is part of VisIt. For details, see http://www.llnl.gov/visit/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution  and  use  in  source  and  binary  forms,  with  or  without
* modification, are permitted provided that the following conditions are met:
*
*  - Redistributions of  source code must  retain the above  copyright notice,
*    this list of conditions and the disclaimer below.
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
*    documentation and/or materials provided with the distribution.
*  - Neither the name of the UC/LLNL nor  the names of its contributors may be
*    used to  endorse or  promote products derived from  this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE
* ARE  DISCLAIMED.  IN  NO  EVENT  SHALL  THE  REGENTS  OF  THE  UNIVERSITY OF
* CALIFORNIA, THE U.S.  DEPARTMENT  OF  ENERGY OR CONTRIBUTORS BE  LIABLE  FOR
* ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT  LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR
* SERVICES; LOSS OF  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER
* CAUSED  AND  ON  ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT
* LIABILITY, OR TORT  (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY  WAY
* OUT OF THE  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*****************************************************************************/

hrchilds's avatar
hrchilds committed
38
#include <QvisExpressionsWindow.h>
hrchilds's avatar
hrchilds committed
39

hrchilds's avatar
hrchilds committed
40
41
#include <Expression.h>
#include <ExpressionList.h>
hrchilds's avatar
hrchilds committed
42
43
#include <ViewerProxy.h>

hrchilds's avatar
hrchilds committed
44
45
46
47
48
49
50
51
#include <qapplication.h>
#include <qcheckbox.h>
#include <qcombobox.h>
#include <qgroupbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qlineedit.h>
#include <qlistbox.h>
hrchilds's avatar
hrchilds committed
52
53
#include <qmultilineedit.h>
#include <qpopupmenu.h>
hrchilds's avatar
hrchilds committed
54
#include <qpushbutton.h>
hrchilds's avatar
hrchilds committed
55
#include <qsplitter.h>
hrchilds's avatar
hrchilds committed
56

hrchilds's avatar
hrchilds committed
57
#include <QNarrowLineEdit.h>
hrchilds's avatar
hrchilds committed
58
#include <QvisVariableButton.h>
hrchilds's avatar
hrchilds committed
59

hrchilds's avatar
hrchilds committed
60
61
62
#define STDMIN(A,B) (((A)<(B)) ? (A) : (B))
#define STDMAX(A,B) (((A)<(B)) ? (B) : (A))

hrchilds's avatar
hrchilds committed
63
64
65
66
67
68
69
70
71
72
73
// ****************************************************************************
//  Expression Lists
//
//  Purpose:
//    Categorized expression lists data.  These structures are self-contained
//    and require the terminating nulls to be parsed correctly.  Keep in mind
//    that 
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 23, 2004
//
hrchilds's avatar
hrchilds committed
74
75
76
77
78
//  Modifications:
//
//    Hank Childs, Sun Jan  2 15:32:00 PST 2005
//    Added curl, divergence, Laplacian, materror.
//
hrchilds's avatar
hrchilds committed
79
80
81
//    Hank Childs, Thu Jan 20 15:51:16 PST 2005
//    Added side volume, resrad.
//
hrchilds's avatar
hrchilds committed
82
83
84
85
86
//    Hank Childs, Thu Jun 30 15:00:42 PDT 2005
//    Added polar_radius, polar_theta, polar_phi, cylindrical_radius,
//    cylindrical_theta, cylindrical, mod, round, ceil, floor, zoneid,
//    nodeid, global_zoneid, and global_nodeid.
//
hrchilds's avatar
hrchilds committed
87
88
89
//    Hank Childs, Tue Aug 16 09:05:03 PDT 2005
//    Added image processing category.
//
hrchilds's avatar
hrchilds committed
90
91
92
//    Hank Childs, Wed Sep 21 17:31:59 PDT 2005
//    Added external_node, surface normal, min/max edge length/side volume.
//
hrchilds's avatar
hrchilds committed
93
94
95
//    Hank Childs, Sun Jan 22 12:47:29 PST 2006
//    Renamed comparison to relational.  Added new category for comparison.
//
hrchilds's avatar
hrchilds committed
96
97
98
//    Hank Childs, Tue Feb 14 14:06:20 PST 2006
//    Added ijk_gradient.
//
hrchilds's avatar
hrchilds committed
99
100
101
//    Hank Childs, Sun Mar  5 16:03:38 PST 2006
//    Added time.
//
hrchilds's avatar
hrchilds committed
102
103
104
//    Hank Childs, Mon Mar 13 16:48:23 PST 2006
//    Added minimum and maximum.
//
hrchilds's avatar
hrchilds committed
105
106
107
108
//    Hank Childs, Thu May 11 12:45:39 PDT 2006
//    Added mean_curvature, gauss_curvature, compose vector, and compose 
//    tensor.
//
hrchilds's avatar
hrchilds committed
109
110
111
//    Hank Childs, Fri Oct  6 15:47:04 PDT 2006
//    Added abel_inversion.
//
hrchilds's avatar
hrchilds committed
112
113
114
//    Mark C. Miller, Wed Nov 15 12:47:05 PST 2006
//    Added zonetype expression
//
hrchilds's avatar
hrchilds committed
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
// ****************************************************************************
struct ExprNameList
{
    const char *name;
    const char **list;
};

const char *expr_meshquality[] = {
    "aspect",
    "aspect_gamma",
    "condition",
    "degree",
    "diagonal",
    "dimension",
    "jacobian",
    "largest_angle",
hrchilds's avatar
hrchilds committed
131
132
133
134
    "max_edge_length",
    "max_side_volume",
    "min_edge_length",
    "min_side_volume",
hrchilds's avatar
hrchilds committed
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
    "neighbor",
    "node_degree",
    "oddy",
    "relative_size",
    "scaled_jacobian",
    "shape",
    "shape_and_size",
    "shear",
    "skew",
    "smallest_angle",
    "stretch",
    "taper",
    "warpage",
    NULL
};

const char *expr_math[] = {
    "abs",
hrchilds's avatar
hrchilds committed
153
154
    "ceil",
    "floor",
hrchilds's avatar
hrchilds committed
155
156
    "ln",
    "log10",
hrchilds's avatar
hrchilds committed
157
158
    "max",
    "min",
hrchilds's avatar
hrchilds committed
159
160
    "mod",
    "round",
hrchilds's avatar
hrchilds committed
161
162
163
164
165
166
167
168
169
170
    "sqr",
    "sqrt",
    "+",
    "-",
    "*",
    "/",
    "^",
    NULL
};

hrchilds's avatar
hrchilds committed
171
const char *expr_relational[] = {
hrchilds's avatar
hrchilds committed
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
    "eq",
    "ge",
    "gt",
    "le",
    "lt",
    "ne",
    NULL
};

const char *expr_conditional[] = {
    "if",
    NULL
};

const char *expr_logical[] = {
    "and",
    "not",
    "or",
    NULL
};

const char *expr_trig[] = {
    "acos",
    "asin",
    "atan",
    "cos",
    "deg2rad",
    "rad2deg",
    "sin",
    "tan",
    NULL
};

const char *expr_vector[] = {
    "cross",
    "dot",
    "magnitude",
    NULL
};

const char *expr_tensor[] = {
    "determinant",
    "effective_tensor",
    "eigenvalue",
    "eigenvector",
    "inverse",
    "principal_deviatoric_tensor",
    "principal_tensor",
    "tensor_maximum_shear",
    "trace",
    NULL
};

hrchilds's avatar
hrchilds committed
225
226
227
228
229
230
const char *expr_array[] = {
    "array_compose",
    "array_decompose",
    NULL
};

hrchilds's avatar
hrchilds committed
231
const char *expr_materials[] = {
hrchilds's avatar
hrchilds committed
232
    "materror",
hrchilds's avatar
hrchilds committed
233
234
235
236
237
238
239
240
241
    "matvf",
    "nmats",
    "specmf",
    NULL
};

const char *expr_mesh[] = {
    "area",
    "coord",
hrchilds's avatar
hrchilds committed
242
243
244
    "cylindrical",
    "cylindrical_radius",
    "cylindrical_theta",
hrchilds's avatar
hrchilds committed
245
    "external_node",
hrchilds's avatar
hrchilds committed
246
247
248
    "global_nodeid",
    "global_zoneid",
    "nodeid",
hrchilds's avatar
hrchilds committed
249
    "polar",
hrchilds's avatar
hrchilds committed
250
251
252
    "polar_radius",
    "polar_theta",
    "polar_phi",
hrchilds's avatar
hrchilds committed
253
254
255
    "revolved_surface_area",
    "revolved_volume",
    "volume",
hrchilds's avatar
hrchilds committed
256
    "zoneid",
hrchilds's avatar
hrchilds committed
257
    "zonetype",
hrchilds's avatar
hrchilds committed
258
259
260
261
    NULL
};

const char *expr_misc[] = {
hrchilds's avatar
hrchilds committed
262
263
    "curl",
    "divergence",
hrchilds's avatar
hrchilds committed
264
    "gauss_curvature",
hrchilds's avatar
hrchilds committed
265
    "gradient",
hrchilds's avatar
hrchilds committed
266
267
    "ij_gradient",
    "ijk_gradient",
hrchilds's avatar
hrchilds committed
268
    "Laplacian",
hrchilds's avatar
hrchilds committed
269
    "mean_curvature",
hrchilds's avatar
hrchilds committed
270
    "recenter",
hrchilds's avatar
hrchilds committed
271
    "resrad",
hrchilds's avatar
hrchilds committed
272
273
274
    "surface_normal",
    "   point_surface_normal",
    "   cell_surface_normal",
hrchilds's avatar
hrchilds committed
275
    "time",
hrchilds's avatar
hrchilds committed
276
277
278
    NULL
};

hrchilds's avatar
hrchilds committed
279
const char *expr_imageprocessing[] = {
hrchilds's avatar
hrchilds committed
280
    "abel_inversion",
hrchilds's avatar
hrchilds committed
281
282
283
284
285
286
    "conservative_smoothing",
    "mean_filter",
    "median_filter",
    NULL
};

hrchilds's avatar
hrchilds committed
287
288
289
290
291
292
293
294
const char *expr_comparison[] = {
    "conn_cmfe",
    "pos_cmfe",
    "symm_plane",
    "symm_transform",
    NULL
};

hrchilds's avatar
hrchilds committed
295
296
ExprNameList exprlist[] =
{
hrchilds's avatar
hrchilds committed
297
298
299
300
301
302
303
    {"Math",             expr_math},
    {"Vector",           expr_vector},
    {"Tensor",           expr_tensor},
    {"Array",            expr_array},
    {"Material",         expr_materials},
    {"Mesh",             expr_mesh},
    {"Mesh Quality",     expr_meshquality},
hrchilds's avatar
hrchilds committed
304
    {"Comparison",       expr_comparison},
hrchilds's avatar
hrchilds committed
305
306
307
    {"Image Processing", expr_imageprocessing},
    {"Miscellaneous",    expr_misc},
    {"Trigonometry",     expr_trig},
hrchilds's avatar
hrchilds committed
308
    {"Relational",       expr_relational},
hrchilds's avatar
hrchilds committed
309
310
    {"Conditional",      expr_conditional},
    {"Logical",          expr_logical},
hrchilds's avatar
hrchilds committed
311
    {NULL,NULL}
hrchilds's avatar
hrchilds committed
312
313
};

hrchilds's avatar
hrchilds committed
314
315
316
317
318
319
320
321
322
323
// ****************************************************************************
// Method: QvisExpressionsWindow::QvisExpressionsWindow
//
// Purpose: 
//   This is the constructor for the QvisExpressionsWindow class.
//
// Arguments:
//   exprList_  The ExpressionList subject to observe
//   
//
hrchilds's avatar
hrchilds committed
324
325
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
//
// ****************************************************************************
QvisExpressionsWindow::QvisExpressionsWindow(
    ExpressionList *exprList_, const char *caption,
    const char *shortName, QvisNotepadArea *notepad) :
    QvisPostableWindowObserver(exprList_, caption, shortName, notepad,
                               QvisPostableWindowObserver::ApplyButton,
                               false)
{
    exprList = exprList_;
}

// ****************************************************************************
// Method: QvisExpressionsWindow::~QvisExpressionsWindow
//
// Purpose: 
//   Destructor for the QvisExpressionsWindow class.
//
hrchilds's avatar
hrchilds committed
344
345
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
//
// Modifications:
//   
// ****************************************************************************
QvisExpressionsWindow::~QvisExpressionsWindow()
{
    exprList = NULL;
}

// ****************************************************************************
// Method: QvisExpressionsWindow::CreateWindowContents
//
// Purpose: 
//   Creates the widgets for the window.
//
hrchilds's avatar
hrchilds committed
361
362
363
364
365
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
//
// Note: as of writing, unsure if I want to use the splitter or not.
//       We should pick one of the two methods eventually.
hrchilds's avatar
hrchilds committed
366
367
//
// Modifications:
hrchilds's avatar
hrchilds committed
368
369
370
371
372
373
374
375
//    Jeremy Meredith, Sat Oct 23 11:50:35 PDT 2004
//    Changed the layout a bit: use group boxes with titles for the two
//    panes, change to use splitters, change the resize proportions,
//    move the "hidden" toggle to the bottom and change its sense,
//    move "insert function" to the right side and group expressions into
//    categorized submenus, reword some other labels to make them more
//    descriptive.
//
hrchilds's avatar
hrchilds committed
376
377
378
//    Brad Whitlock, Thu Dec 9 10:50:12 PDT 2004
//    I added a variable button that lets us insert variables.
//
hrchilds's avatar
hrchilds committed
379
380
381
//    Hank Childs, Thu Jul 21 11:12:43 PDT 2005
//    Add support for array mesh variables.
//
hrchilds's avatar
hrchilds committed
382
383
384
//    Kathleen Bonnell, Thu Aug  3 08:42:33 PDT 2006 
//    Changed numtypes to 7 to support CurveMeshVar.
//
hrchilds's avatar
hrchilds committed
385
// ****************************************************************************
hrchilds's avatar
hrchilds committed
386

hrchilds's avatar
hrchilds committed
387
388
389
void
QvisExpressionsWindow::CreateWindowContents()
{
hrchilds's avatar
hrchilds committed
390
#define USE_SPLITTER
hrchilds's avatar
hrchilds committed
391
392
393
394
395
396
397
398
399
400
#ifndef USE_SPLITTER
    QHBoxLayout *mainLayout = new QHBoxLayout(topLayout, -1, "mainLayout");
#else
    QSplitter *mainSplitter = new QSplitter(central);
    topLayout->addWidget(mainSplitter);
    topLayout->setStretchFactor(mainSplitter, 100);
#endif

#ifndef USE_SPLITTER
    QGridLayout *listLayout = new QGridLayout(mainLayout, 3,2, 5, "listLayout");
hrchilds's avatar
hrchilds committed
401
    mainLayout->setStretchFactor(listLayout, 50);
hrchilds's avatar
hrchilds committed
402
403
#define f1 central
#else
hrchilds's avatar
hrchilds committed
404
405
    QGroupBox *f1 = new QGroupBox("Expression List",mainSplitter);
    QGridLayout *listLayout = new QGridLayout(f1, 4,2, 7, 5, "listLayout");
hrchilds's avatar
hrchilds committed
406
407
#endif

hrchilds's avatar
hrchilds committed
408
409
    listLayout->addRowSpacing(0, 10);

hrchilds's avatar
hrchilds committed
410
    exprListBox = new QListBox(f1);
hrchilds's avatar
hrchilds committed
411
    listLayout->addMultiCellWidget(exprListBox, 1,1, 0,1);
hrchilds's avatar
hrchilds committed
412
413

    newButton = new QPushButton("New", f1, "newButton");
hrchilds's avatar
hrchilds committed
414
    listLayout->addWidget(newButton, 2,0);
hrchilds's avatar
hrchilds committed
415

hrchilds's avatar
hrchilds committed
416
417
    delButton = new QPushButton("Delete", f1, "delButton");
    listLayout->addWidget(delButton, 2,1);
hrchilds's avatar
hrchilds committed
418

hrchilds's avatar
hrchilds committed
419
420
    displayAllVars = new QCheckBox("Display expressions from database", f1, "displayAllVars");
    listLayout->addMultiCellWidget(displayAllVars, 3,3, 0,1);
hrchilds's avatar
hrchilds committed
421
422
423
424

#ifndef USE_SPLITTER
    mainLayout->addSpacing(10);
    QGridLayout *editLayout = new QGridLayout(mainLayout, 6,2, 5, "editLayout");
hrchilds's avatar
hrchilds committed
425
    mainLayout->setStretchFactor(editLayout, 50);
hrchilds's avatar
hrchilds committed
426
427
#define f2 central
#else
hrchilds's avatar
hrchilds committed
428
429
    QGroupBox *f2 = new QGroupBox("Definition", mainSplitter);
    QGridLayout *editLayout = new QGridLayout(f2, 6,4, 7, 5, "editLayout");
hrchilds's avatar
hrchilds committed
430
431
432
#endif
    int row = 0;

hrchilds's avatar
hrchilds committed
433
434
435
    editLayout->addRowSpacing(row, 10);
    row++;

hrchilds's avatar
hrchilds committed
436
    nameEditLabel = new QLabel("Name", f2, "nameEditLabel");
hrchilds's avatar
hrchilds committed
437
438
439
    nameEdit = new QNarrowLineEdit(f2, "nameEdit");
    editLayout->addMultiCellWidget(nameEditLabel, row,row, 0,0);
    editLayout->addMultiCellWidget(nameEdit, row,row, 1,3);
hrchilds's avatar
hrchilds committed
440
441
442
443
444
    row++;

    typeLabel = new QLabel("Type", f2, "typeLabel");
    typeList = new QComboBox(f2, "typeList");
    int numtypes = Expression::GetNumTypes();
hrchilds's avatar
hrchilds committed
445
    numtypes = 7;  // HACK!!!  Variable types after 6 currently fail.  FIXME!!!
hrchilds's avatar
hrchilds committed
446
447
    int i;
    for (i=1; i < numtypes ; i++)
hrchilds's avatar
hrchilds committed
448
        typeList->insertItem(Expression::GetTypeString((Expression::ExprType)i));
hrchilds's avatar
hrchilds committed
449
450
    editLayout->addMultiCellWidget(typeLabel, row,row, 0,0);
    editLayout->addMultiCellWidget(typeList, row,row, 1,3);
hrchilds's avatar
hrchilds committed
451
452
453
454
455
456
457
458
459
    row++;

    definitionEditLabel = new QLabel("Definition", f2, "definitionEditLabel");
    editLayout->addWidget(definitionEditLabel, row, 0);
    row++;

    definitionEdit = new QMultiLineEdit(f2, "definitionEdit");
    definitionEdit->setWordWrap(QMultiLineEdit::WidgetWidth);
    definitionEdit->setWrapPolicy(QMultiLineEdit::AtWhiteSpace);
hrchilds's avatar
hrchilds committed
460
    editLayout->addMultiCellWidget(definitionEdit, row,row, 0,3);
hrchilds's avatar
hrchilds committed
461
462
    row++;

hrchilds's avatar
hrchilds committed
463
    notHidden = new QCheckBox("Show variable in plot menus", f2, "notHidden");
hrchilds's avatar
hrchilds committed
464
    editLayout->addWidget(notHidden, row, 0);
hrchilds's avatar
hrchilds committed
465

hrchilds's avatar
hrchilds committed
466
    insertFunctionButton = new QPushButton("Insert Function...", f2);
hrchilds's avatar
hrchilds committed
467
    insertFunctionMenu = new QPopupMenu(f2, "insertFunctionMenu");
hrchilds's avatar
hrchilds committed
468
    for (i=0; exprlist[i].name; i++)
hrchilds's avatar
hrchilds committed
469
470
471
472
473
474
475
476
477
478
    {
        QPopupMenu *tmpMenu = new QPopupMenu(f2, exprlist[i].name);
        for (int j=0; exprlist[i].list[j]; j++)
        {
            tmpMenu->insertItem(exprlist[i].list[j]);
        }
        insertFunctionMenu->insertItem(exprlist[i].name, tmpMenu);
        connect(tmpMenu, SIGNAL(activated(int)),
                this, SLOT(insertFunction(int)));
    }
hrchilds's avatar
hrchilds committed
479
    insertFunctionButton->setPopup(insertFunctionMenu);
hrchilds's avatar
hrchilds committed
480
481
482
483
484
485
486
487
488
489
490
    editLayout->addWidget(insertFunctionButton, row, 2);

    // Create a variable button so we can insert variables for the
    // active source.
    insertVariableButton = new QvisVariableButton(false, false, false, -1, f2,
        "insertVariableButton");
    insertVariableButton->setChangeTextOnVariableChange(false);
    insertVariableButton->setText("Insert Variable...");
    connect(insertVariableButton, SIGNAL(activated(const QString &)),
            this, SLOT(insertVariable(const QString &)));
    editLayout->addWidget(insertVariableButton, row, 3);
hrchilds's avatar
hrchilds committed
491
    row++;
hrchilds's avatar
hrchilds committed
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506

    // connect signals

    connect(exprListBox, SIGNAL(selectionChanged()),
            this, SLOT(UpdateWindowSingleItem()));
    connect(nameEdit, SIGNAL(textChanged(const QString&)),
            this, SLOT(nameTextChanged(const QString&)));
    connect(definitionEdit, SIGNAL(textChanged()),
            this, SLOT(definitionTextChanged()));
    connect(newButton, SIGNAL(pressed()),
            this, SLOT(addExpression()));
    connect(delButton, SIGNAL(pressed()),
            this, SLOT(delExpression()));
    connect(typeList, SIGNAL(activated(int)),
            this, SLOT(typeChanged(int)));
hrchilds's avatar
hrchilds committed
507
508
    connect(notHidden, SIGNAL(clicked()),
            this, SLOT(notHiddenChanged()));
hrchilds's avatar
hrchilds committed
509
510
    connect(displayAllVars, SIGNAL(clicked()),
            this, SLOT(displayAllVarsChanged()));
hrchilds's avatar
hrchilds committed
511
512
513
514
515
516
517
518
519
520
521
522
}

// ****************************************************************************
// Method: QvisExpressionsWindow::UpdateWindow
//
// Purpose: 
//   This method is called when the window's subject is changed. The
//   subject tells this window what attributes changed and we put the
//   new values into those widgets.
//
// Arguments:
//   doAll : If this flag is true, update all the widgets regardless
hrchilds's avatar
hrchilds committed
523
//           of whether or not they are selected.  Currently ignored.
hrchilds's avatar
hrchilds committed
524
//
hrchilds's avatar
hrchilds committed
525
526
527
528
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
//
// Modifications:
hrchilds's avatar
hrchilds committed
529
530
531
532
//    Jeremy Meredith, Mon Oct 25 12:52:45 PDT 2004
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.  Keep in mind we need
//    a map from the list-position index to expressionlist index.
hrchilds's avatar
hrchilds committed
533
//
hrchilds's avatar
hrchilds committed
534
535
536
537
538
539
540
// ****************************************************************************
void
QvisExpressionsWindow::UpdateWindow(bool)
{
    BlockAllSignals(true);

    exprListBox->clear();
hrchilds's avatar
hrchilds committed
541
542
    indexMap.clear();
    int pos = 0;
hrchilds's avatar
hrchilds committed
543
544
545
546
547
    for (int i=0; i<exprList->GetNumExpressions(); i++)
    {
        if (displayAllVars->isChecked() ||
            !exprList->GetExpression(i).GetFromDB())
        {
hrchilds's avatar
hrchilds committed
548
            exprListBox->insertItem(exprList->GetExpression(i).GetName().c_str());
hrchilds's avatar
hrchilds committed
549
            indexMap[pos++] = i;
hrchilds's avatar
hrchilds committed
550
551
552
553
554
555
556
557
558
        }
    }
    BlockAllSignals(false);

    UpdateWindowSingleItem();
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::UpdateWindowSingleItem
hrchilds's avatar
hrchilds committed
559
//
hrchilds's avatar
hrchilds committed
560
561
//  Purpose:
//    Update the pane of the window where a single expression is being edited.
hrchilds's avatar
hrchilds committed
562
//
hrchilds's avatar
hrchilds committed
563
564
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
hrchilds's avatar
hrchilds committed
565
//
hrchilds's avatar
hrchilds committed
566
567
568
569
570
571
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 11:34:35 PDT 2004
//    Reversed the sense of the "hidden" button.
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
//
hrchilds's avatar
hrchilds committed
572
573
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
574
QvisExpressionsWindow::UpdateWindowSingleItem()
hrchilds's avatar
hrchilds committed
575
{
hrchilds's avatar
hrchilds committed
576
577
578
    BlockAllSignals(true);
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
579
    if (index <  0)
hrchilds's avatar
hrchilds committed
580
581
    {
        nameEdit->setText("");
hrchilds's avatar
hrchilds committed
582
        notHidden->setChecked(true);
hrchilds's avatar
hrchilds committed
583
584
585
        definitionEdit->setText("");
    }
    else
hrchilds's avatar
hrchilds committed
586
    {
hrchilds's avatar
hrchilds committed
587
588
        Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
589
        nameEdit->setText(e.GetName().c_str());
hrchilds's avatar
hrchilds committed
590
591
        notHidden->setChecked(! e.GetHidden());
        typeList->setCurrentText(Expression::GetTypeString(e.GetType()));
hrchilds's avatar
hrchilds committed
592
        definitionEdit->setText(e.GetDefinition().c_str());
hrchilds's avatar
hrchilds committed
593
    }
hrchilds's avatar
hrchilds committed
594
595
596
597
    
    UpdateWindowSensitivity();
    BlockAllSignals(false);
}
hrchilds's avatar
hrchilds committed
598

hrchilds's avatar
hrchilds committed
599
600
601
602
603
604
605
606
607
// ****************************************************************************
//  Method:  QvisExpressionsWindow::UpdateWindowSensitivity
//
//  Purpose:
//    Update the sensitivity of any widget needing it.
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
608
609
610
611
612
613
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 11:34:35 PDT 2004
//    Reversed the sense of the "hidden" button.
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
//
hrchilds's avatar
hrchilds committed
614
615
616
//    Brad Whitlock, Thu Dec 9 14:04:22 PST 2004
//    Added a button to insert variable names.
//
hrchilds's avatar
hrchilds committed
617
// ****************************************************************************
hrchilds's avatar
hrchilds committed
618

hrchilds's avatar
hrchilds committed
619
620
621
622
void
QvisExpressionsWindow::UpdateWindowSensitivity()
{
    bool enable = true;
hrchilds's avatar
hrchilds committed
623
624
625
    int index = exprListBox->currentItem();

    if (index <  0)
hrchilds's avatar
hrchilds committed
626
    {
hrchilds's avatar
hrchilds committed
627
628
        enable = false;
    }
hrchilds's avatar
hrchilds committed
629
    else if ((*exprList)[indexMap[index]].GetFromDB())
hrchilds's avatar
hrchilds committed
630
631
    {
        enable = false;
hrchilds's avatar
hrchilds committed
632
633
    }

hrchilds's avatar
hrchilds committed
634
635
    nameEdit->setEnabled(enable);
    delButton->setEnabled(enable);
hrchilds's avatar
hrchilds committed
636
    notHidden->setEnabled(enable);
hrchilds's avatar
hrchilds committed
637
638
639
    typeList->setEnabled(enable);
    definitionEdit->setEnabled(enable);
    insertFunctionButton->setEnabled(enable);
hrchilds's avatar
hrchilds committed
640
    insertVariableButton->setEnabled(enable);
hrchilds's avatar
hrchilds committed
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::BlockAllSignals
//
//  Purpose:
//    Block signals for all important widgets.  Or unblock, of course.
//
//  Arguments:
//    block      true to block, false to unblock
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
// ****************************************************************************
void
QvisExpressionsWindow::BlockAllSignals(bool block)
{
    exprListBox->blockSignals(block);
    nameEdit->blockSignals(block);
    definitionEdit->blockSignals(block);
hrchilds's avatar
hrchilds committed
662
663
664
665
666
667
668
669
}

// ****************************************************************************
// Method: QvisExpressionsWindow::Apply
//
// Purpose: 
//   This is a Qt slot function that is called when the Apply button is clicked.
//
hrchilds's avatar
hrchilds committed
670
671
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
//
// Modifications:
//   
// ****************************************************************************
void
QvisExpressionsWindow::Apply(bool forceUpdate)
{
    exprList->Notify();

    if (AutoUpdate() || forceUpdate)
        viewer->ProcessExpressions();
}

// ****************************************************************************
// Method: QvisExpressionsWindow::apply
//
// Purpose: 
//   This is a Qt slot function that is called when the window's Apply
//   button is clicked.
//
hrchilds's avatar
hrchilds committed
692
693
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
694
695
696
697
698
699
700
//
// Modifications:
//   
// ****************************************************************************
void
QvisExpressionsWindow::apply()
{
hrchilds's avatar
hrchilds committed
701
702
703
704
705
    // Apply will recreate the window and unselect the current expression.
    // If we have an expression selected, reselect it afterwards.
    int reselect = (exprListBox->currentItem() != -1);
    QString item = exprListBox->currentText();

hrchilds's avatar
hrchilds committed
706
    Apply(true);
hrchilds's avatar
hrchilds committed
707
708
709
710
711
712
713
714
715

    if (reselect)
    {
        for (int i=0; i<exprListBox->count(); i++)
        {
            if (exprListBox->text(i) == item)
                exprListBox->setSelected(i, true);
        }
    }
hrchilds's avatar
hrchilds committed
716
717
718
719
720
721
722
723
}

// ****************************************************************************
// Method: QvisExpressionsWindow::addExpression
//
// Purpose: 
//   This is a Qt slot function that adds a new expression that is empty.
//
hrchilds's avatar
hrchilds committed
724
725
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
726
727
//
// Modifications:
hrchilds's avatar
hrchilds committed
728
729
730
//    Jeremy Meredith, Mon Oct 25 12:39:53 PDT 2004
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
hrchilds's avatar
hrchilds committed
731
732
733
734
735
//   
// ****************************************************************************
void
QvisExpressionsWindow::addExpression()
{
hrchilds's avatar
hrchilds committed
736
737
738
739
740
741
742
743
744
745
746
747
    // Find an unused expression name
    int newid = 1;
    bool okay = false;
    QString newName;
    while (!okay)
    {
        newName.sprintf("unnamed%d", newid);
        if ((*exprList)[newName.latin1()])
            newid++;
        else
            okay = true;
    }
hrchilds's avatar
hrchilds committed
748

hrchilds's avatar
hrchilds committed
749
750
751
752
    Expression e;
    e.SetName(newName.latin1());
    e.SetDefinition("");
    exprList->AddExpression(e);
hrchilds's avatar
hrchilds committed
753
754

    exprList->Notify();
hrchilds's avatar
hrchilds committed
755
756
757
758
759
760

    for (int i=0; i<exprListBox->count(); i++)
    {
        if (exprListBox->text(i) == newName)
            exprListBox->setSelected(i, true);
    }
hrchilds's avatar
hrchilds committed
761
762
763
}

// ****************************************************************************
hrchilds's avatar
hrchilds committed
764
// Method: QvisExpressionsWindow::delExpression
hrchilds's avatar
hrchilds committed
765
766
767
768
//
// Purpose: 
//   This is a Qt slot function that is called to delete an expression.
//
hrchilds's avatar
hrchilds committed
769
770
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
771
772
//
// Modifications:
hrchilds's avatar
hrchilds committed
773
774
775
776
//    Jeremy Meredith, Mon Oct 17 10:39:56 PDT 2005
//    Made the delete action access the expression list by index in the
//    expression list (instead of assuming its index in the list box was
//    correct).  This was an oversight from my 10/25/04 change.  ('5682)
hrchilds's avatar
hrchilds committed
777
778
779
//   
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
780
QvisExpressionsWindow::delExpression()
hrchilds's avatar
hrchilds committed
781
{
hrchilds's avatar
hrchilds committed
782
783
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
784
    if (index <  0)
hrchilds's avatar
hrchilds committed
785
786
        return;

hrchilds's avatar
hrchilds committed
787
    exprList->RemoveExpression(indexMap[index]);
hrchilds's avatar
hrchilds committed
788
789
790

    exprList->Notify();
}
hrchilds's avatar
hrchilds committed
791
792
793
794
795
796
797
798
799
800
801

// ****************************************************************************
//  Method:  QvisExpressionsWindow::definitionTextChanged
//
//  Purpose:
//    Slot function when definition text is changed.  This is called for
//    any change to the definition text.
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
802
803
804
805
806
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 12:40:01 PDT 2004
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
//
hrchilds's avatar
hrchilds committed
807
808
809
810
811
812
// ****************************************************************************
void
QvisExpressionsWindow::definitionTextChanged()
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
813
    if (index <  0)
hrchilds's avatar
hrchilds committed
814
815
        return;

hrchilds's avatar
hrchilds committed
816
817
    Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
818
    e.SetDefinition(definitionEdit->text().latin1());
hrchilds's avatar
hrchilds committed
819
820
821
822
823
824
825
826
827
828
829
830
831
832
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::nameTextChanged
//
//  Purpose:
//    Slot function when any change happens to the expression names.
//
//  Arguments:
//    text       the new text.
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
833
834
835
836
837
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 12:40:31 PDT 2004
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
//
hrchilds's avatar
hrchilds committed
838
839
840
841
//    Jeremy Meredith, Mon Oct 17 10:42:08 PDT 2005
//    Never allow an empty name to get into the expression list.  This
//    could cause crashes.  ('6295)
//
hrchilds's avatar
hrchilds committed
842
843
844
845
846
847
// ****************************************************************************
void
QvisExpressionsWindow::nameTextChanged(const QString &text)
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
848
    if (index <  0)
hrchilds's avatar
hrchilds committed
849
850
        return;

hrchilds's avatar
hrchilds committed
851
852
    Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
853
    QString newname = text.stripWhiteSpace();
hrchilds's avatar
hrchilds committed
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868

    if (newname.isEmpty())
    {
        int newid = 1;
        bool okay = false;
        while (!okay)
        {
            newname.sprintf("unnamed%d", newid);
            if ((*exprList)[newname.latin1()])
                newid++;
            else
                okay = true;
        }
    }

hrchilds's avatar
hrchilds committed
869
    e.SetName(newname.latin1());
hrchilds's avatar
hrchilds committed
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
    BlockAllSignals(true);
    exprListBox->changeItem(newname, index);
    BlockAllSignals(false);
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::typeChanged
//
//  Purpose:
//    Slot function for the "type" combo box.  Sets the expression type.
//
//  Arguments:
//    value      the new type
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
887
888
889
890
891
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 12:40:37 PDT 2004
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
//
hrchilds's avatar
hrchilds committed
892
893
894
895
896
897
// ****************************************************************************
void
QvisExpressionsWindow::typeChanged(int value)
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
898
    if (index <  0)
hrchilds's avatar
hrchilds committed
899
900
        return;

hrchilds's avatar
hrchilds committed
901
902
    Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
903
904
    // Add one because we skipped index 0 (unknown) when creating the
    // list box originally
hrchilds's avatar
hrchilds committed
905
    e.SetType(Expression::ExprType(value+1));
hrchilds's avatar
hrchilds committed
906
907
908
}

// ****************************************************************************
hrchilds's avatar
hrchilds committed
909
//  Method:  QvisExpressionsWindow::notHiddenChanged
hrchilds's avatar
hrchilds committed
910
911
//
//  Purpose:
hrchilds's avatar
hrchilds committed
912
913
//    Slot function for the notHidden toggle.
//    Sets the "notHidden" flag of an expression.
hrchilds's avatar
hrchilds committed
914
915
916
917
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
918
919
920
921
922
923
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 11:34:35 PDT 2004
//    Reversed the sense of the "hidden" button.
//    Always access the expression list by index, just in case there
//    are two expressions with the same name.
//
hrchilds's avatar
hrchilds committed
924
925
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
926
QvisExpressionsWindow::notHiddenChanged()
hrchilds's avatar
hrchilds committed
927
928
929
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
930
    if (index <  0)
hrchilds's avatar
hrchilds committed
931
932
        return;

hrchilds's avatar
hrchilds committed
933
934
935
    Expression &e = (*exprList)[indexMap[index]];

    e.SetHidden(!notHidden->isChecked());
hrchilds's avatar
hrchilds committed
936
937
938
939
940
941
942
943
944
945
946
947
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::displayAllVarsChanged
//
//  Purpose:
//    Slot function, called when "display all variables" is toggled.
//    Just update the window because it will be taken care of.
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
948
949
950
951
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 13:33:35 PDT 2004
//    Made it reselect an expression that was already selected, like Apply.
//
hrchilds's avatar
hrchilds committed
952
953
954
955
// ****************************************************************************
void
QvisExpressionsWindow::displayAllVarsChanged()
{
hrchilds's avatar
hrchilds committed
956
957
958
959
960
    // This updates the window, which rebuilds the expression list.
    // If we have an expression selected, reselect it afterwards.
    int reselect = (exprListBox->currentItem() != -1);
    QString item = exprListBox->currentText();

hrchilds's avatar
hrchilds committed
961
    UpdateWindow(true);
hrchilds's avatar
hrchilds committed
962
963
964
965
966
967
968
969
970

    if (reselect)
    {
        for (int i=0; i<exprListBox->count(); i++)
        {
            if (exprListBox->text(i) == item)
                exprListBox->setSelected(i, true);
        }
    }
hrchilds's avatar
hrchilds committed
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::insertFunction
//
//  Purpose:
//    Slot function when a function was selected for insertion by 
//    the popup menu.
//
//  Arguments:
//    id         the menu item id of the function
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
986
987
988
989
990
//  Modifications:
//    Jeremy Meredith, Mon Oct 25 11:33:43 PDT 2004
//    Make sure it's not just a single-char operator before adding the
//    function call parentheses.
//
hrchilds's avatar
hrchilds committed
991
992
993
//    Brad Whitlock, Thu Dec 9 14:15:01 PST 2004
//    Added code to set the focus to the definition edit.
//
hrchilds's avatar
hrchilds committed
994
995
996
//    Hank Childs, Sun Jan 22 12:49:57 PST 2006
//    Add special insertion code for complicated expressions.
//
hrchilds's avatar
hrchilds committed
997
998
999
1000
//    Hank Childs, Fri Mar 10 14:28:11 PST 2006
//    Change ordering of arguments for pos_cmfe, since the first pass was
//    incorrect.
//
hrchilds's avatar
hrchilds committed
1001
1002
1003
//    Hank Childs, Mon Mar 13 16:48:23 PST 2006
//    Added min and max.
//
hrchilds's avatar
hrchilds committed
1004
// ****************************************************************************
hrchilds's avatar
hrchilds committed
1005

hrchilds's avatar
hrchilds committed
1006
1007
1008
1009
1010
1011
1012
void
QvisExpressionsWindow::insertFunction(int id)
{
    if (!definitionEdit->isEnabled())
        return;

    definitionEdit->insert(insertFunctionMenu->text(id));
hrchilds's avatar
hrchilds committed
1013

hrchilds's avatar
hrchilds committed
1014
    bool doParens = (insertFunctionMenu->text(id).length() >= 2);
hrchilds's avatar
hrchilds committed
1015
    std::string str = insertFunctionMenu->text(id).latin1();
hrchilds's avatar
hrchilds committed
1016
1017
1018
1019
1020
1021
1022
    if (str == "conn_cmfe")
    {
        definitionEdit->insert("(<filename:var>, <meshname>)");
        doParens = false;
    }
    else if (str == "pos_cmfe")
    {
hrchilds's avatar
hrchilds committed
1023
        definitionEdit->insert("(<filename:var>, <meshname>, <default-var>)");
hrchilds's avatar
hrchilds committed
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
        doParens = false;
    }
    else if (str == "symm_plane")
    {
        definitionEdit->insert("(<var>, [Nx, Ny, Nz, Ox, Oy, Oz])");
        doParens = false;
    }
    else if (str == "symm_transform")
    {
        definitionEdit->insert("(<var>, [T00, T01, T02, T10, T11, T12, "
                                        "T20, T21, T22])");
        doParens = false;
    }
    else if (str == "matvf")
    {
        definitionEdit->insert("(<material-name>, [#, #, ... #])");
        doParens = false;
    }
    else if (str == "specmf")
    {
        definitionEdit->insert("(<material-name>, [#, #, ... #])");
        doParens = false;
    }
    else if (str == "if")
    {
        definitionEdit->insert("(<condition>, <then-var>, <else-var>)");
        doParens = false;
    }
hrchilds's avatar
hrchilds committed
1052
1053
1054
1055
1056
    else if (str == "min" || str == "max")
    {
        definitionEdit->insert("(<var1>, <var2>)");
        doParens = false;
    }
hrchilds's avatar
hrchilds committed
1057
1058

    if (doParens)
hrchilds's avatar
hrchilds committed
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
    {
        definitionEdit->insert("()");

        int col,line;
        definitionEdit->getCursorPosition(&line, &col);
        col--;
        if (col < 0)
            col = 0;
        definitionEdit->setCursorPosition(line, col);
    }
hrchilds's avatar
hrchilds committed
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087

    definitionEdit->setFocus();
}

// ****************************************************************************
// Method: QvisExpressionWindow::insertVariable
//
// Purpose: 
//   This is a Qt slot function that inserts a variable name into the 
//   current variable definition.
//
// Arguments:
//   var : The variable.
//
// Programmer: Brad Whitlock
// Creation:   Thu Dec 9 10:52:37 PDT 2004
//
// Modifications:
//   
hrchilds's avatar
hrchilds committed
1088
1089
1090
//    Jeremy Meredith, Fri Sep  2 16:26:42 PDT 2005
//    Made it be more aggressive about quoting.
//
hrchilds's avatar
hrchilds committed
1091
1092
1093
1094
1095
1096
1097
1098
// ****************************************************************************

void
QvisExpressionsWindow::insertVariable(const QString &var)
{
    if (!definitionEdit->isEnabled())
        return;

hrchilds's avatar
hrchilds committed
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
    // If the variable name contains special characters
    // then put the <> around the variable name.
    bool needs_quoting = false;

    for (int i=0; i<var.length(); i++)
    {
        char c = var[i];
        if ((c < 'A' || c > 'Z') &&
            (c < 'a' || c > 'z') &&
            (c < '0' || c > '9') &&
            c != '_')
        {
            needs_quoting = true;
            break;
        }
    }

    QString newVar;
    if (needs_quoting)
hrchilds's avatar
hrchilds committed
1118
        newVar = QString("<") + var + QString(">");
hrchilds's avatar
hrchilds committed
1119
1120
    else
        newVar = var;
hrchilds's avatar
hrchilds committed
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153

    definitionEdit->insert(newVar);
    definitionEdit->setFocus();
}

// ****************************************************************************
// Method: QvisExpressionsWindow::newExpression
//
// Purpose: 
//   This is a Qt slot function that can be called on the window to add a
//   new expression and set the focus of the window to the name line edit
//   and select all of its text.
//
// Note:       This method is used by the "Create new expression ..." option
//             in QvisVariableButtons.
//
// Programmer: Brad Whitlock
// Creation:   Thu Dec 9 10:18:13 PDT 2004
//
// Modifications:
//   
// ****************************************************************************

void
QvisExpressionsWindow::newExpression()
{
    // Add a new expression
    addExpression();

    // Make the name line edit be the active widget and select its text.
    nameEdit->setFocus();
    nameEdit->setCursorPosition(0);
    nameEdit->selectAll();
hrchilds's avatar
hrchilds committed
1154
}