QvisExpressionsWindow.C 29.9 KB
Newer Older
hrchilds's avatar
hrchilds committed
1
#include <QvisExpressionsWindow.h>
hrchilds's avatar
hrchilds committed
2

hrchilds's avatar
hrchilds committed
3
4
#include <Expression.h>
#include <ExpressionList.h>
hrchilds's avatar
hrchilds committed
5
6
#include <ViewerProxy.h>

hrchilds's avatar
hrchilds committed
7
8
9
10
11
12
13
14
#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
15
16
#include <qmultilineedit.h>
#include <qpopupmenu.h>
hrchilds's avatar
hrchilds committed
17
#include <qpushbutton.h>
hrchilds's avatar
hrchilds committed
18
#include <qsplitter.h>
hrchilds's avatar
hrchilds committed
19

hrchilds's avatar
hrchilds committed
20
#include <QNarrowLineEdit.h>
hrchilds's avatar
hrchilds committed
21
#include <QvisVariableButton.h>
hrchilds's avatar
hrchilds committed
22

hrchilds's avatar
hrchilds committed
23
24
25
#define STDMIN(A,B) (((A)<(B)) ? (A) : (B))
#define STDMAX(A,B) (((A)<(B)) ? (B) : (A))

hrchilds's avatar
hrchilds committed
26
27
28
29
30
31
32
33
34
35
36
// ****************************************************************************
//  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
37
38
39
40
41
//  Modifications:
//
//    Hank Childs, Sun Jan  2 15:32:00 PST 2005
//    Added curl, divergence, Laplacian, materror.
//
hrchilds's avatar
hrchilds committed
42
43
44
//    Hank Childs, Thu Jan 20 15:51:16 PST 2005
//    Added side volume, resrad.
//
hrchilds's avatar
hrchilds committed
45
46
47
48
49
//    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
50
51
52
//    Hank Childs, Tue Aug 16 09:05:03 PDT 2005
//    Added image processing category.
//
hrchilds's avatar
hrchilds committed
53
54
55
//    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
56
57
58
//    Hank Childs, Sun Jan 22 12:47:29 PST 2006
//    Renamed comparison to relational.  Added new category for comparison.
//
hrchilds's avatar
hrchilds committed
59
60
61
//    Hank Childs, Tue Feb 14 14:06:20 PST 2006
//    Added ijk_gradient.
//
hrchilds's avatar
hrchilds committed
62
63
64
//    Hank Childs, Sun Mar  5 16:03:38 PST 2006
//    Added time.
//
hrchilds's avatar
hrchilds committed
65
66
67
//    Hank Childs, Mon Mar 13 16:48:23 PST 2006
//    Added minimum and maximum.
//
hrchilds's avatar
hrchilds committed
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
// ****************************************************************************
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
84
85
86
87
    "max_edge_length",
    "max_side_volume",
    "min_edge_length",
    "min_side_volume",
hrchilds's avatar
hrchilds committed
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
    "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
106
107
    "ceil",
    "floor",
hrchilds's avatar
hrchilds committed
108
109
    "ln",
    "log10",
hrchilds's avatar
hrchilds committed
110
111
    "max",
    "min",
hrchilds's avatar
hrchilds committed
112
113
    "mod",
    "round",
hrchilds's avatar
hrchilds committed
114
115
116
117
118
119
120
121
122
123
    "sqr",
    "sqrt",
    "+",
    "-",
    "*",
    "/",
    "^",
    NULL
};

hrchilds's avatar
hrchilds committed
124
const char *expr_relational[] = {
hrchilds's avatar
hrchilds committed
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
    "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
178
179
180
181
182
183
const char *expr_array[] = {
    "array_compose",
    "array_decompose",
    NULL
};

hrchilds's avatar
hrchilds committed
184
const char *expr_materials[] = {
hrchilds's avatar
hrchilds committed
185
    "materror",
hrchilds's avatar
hrchilds committed
186
187
188
189
190
191
192
193
194
    "matvf",
    "nmats",
    "specmf",
    NULL
};

const char *expr_mesh[] = {
    "area",
    "coord",
hrchilds's avatar
hrchilds committed
195
196
197
    "cylindrical",
    "cylindrical_radius",
    "cylindrical_theta",
hrchilds's avatar
hrchilds committed
198
    "external_node",
hrchilds's avatar
hrchilds committed
199
200
201
    "global_nodeid",
    "global_zoneid",
    "nodeid",
hrchilds's avatar
hrchilds committed
202
    "polar",
hrchilds's avatar
hrchilds committed
203
204
205
    "polar_radius",
    "polar_theta",
    "polar_phi",
hrchilds's avatar
hrchilds committed
206
207
208
    "revolved_surface_area",
    "revolved_volume",
    "volume",
hrchilds's avatar
hrchilds committed
209
    "zoneid",
hrchilds's avatar
hrchilds committed
210
211
212
213
    NULL
};

const char *expr_misc[] = {
hrchilds's avatar
hrchilds committed
214
215
    "curl",
    "divergence",
hrchilds's avatar
hrchilds committed
216
    "gradient",
hrchilds's avatar
hrchilds committed
217
218
    "ij_gradient",
    "ijk_gradient",
hrchilds's avatar
hrchilds committed
219
    "Laplacian",
hrchilds's avatar
hrchilds committed
220
    "recenter",
hrchilds's avatar
hrchilds committed
221
    "resrad",
hrchilds's avatar
hrchilds committed
222
223
224
    "surface_normal",
    "   point_surface_normal",
    "   cell_surface_normal",
hrchilds's avatar
hrchilds committed
225
    "time",
hrchilds's avatar
hrchilds committed
226
227
228
    NULL
};

hrchilds's avatar
hrchilds committed
229
230
231
232
233
234
235
const char *expr_imageprocessing[] = {
    "conservative_smoothing",
    "mean_filter",
    "median_filter",
    NULL
};

hrchilds's avatar
hrchilds committed
236
237
238
239
240
241
242
243
const char *expr_comparison[] = {
    "conn_cmfe",
    "pos_cmfe",
    "symm_plane",
    "symm_transform",
    NULL
};

hrchilds's avatar
hrchilds committed
244
245
ExprNameList exprlist[] =
{
hrchilds's avatar
hrchilds committed
246
247
248
249
250
251
252
    {"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
253
    {"Comparison",       expr_comparison},
hrchilds's avatar
hrchilds committed
254
255
256
    {"Image Processing", expr_imageprocessing},
    {"Miscellaneous",    expr_misc},
    {"Trigonometry",     expr_trig},
hrchilds's avatar
hrchilds committed
257
    {"Relational",       expr_relational},
hrchilds's avatar
hrchilds committed
258
259
    {"Conditional",      expr_conditional},
    {"Logical",          expr_logical},
hrchilds's avatar
hrchilds committed
260
    {NULL,NULL}
hrchilds's avatar
hrchilds committed
261
262
};

hrchilds's avatar
hrchilds committed
263
264
265
266
267
268
269
270
271
272
// ****************************************************************************
// Method: QvisExpressionsWindow::QvisExpressionsWindow
//
// Purpose: 
//   This is the constructor for the QvisExpressionsWindow class.
//
// Arguments:
//   exprList_  The ExpressionList subject to observe
//   
//
hrchilds's avatar
hrchilds committed
273
274
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
//
// ****************************************************************************
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
293
294
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
//
// Modifications:
//   
// ****************************************************************************
QvisExpressionsWindow::~QvisExpressionsWindow()
{
    exprList = NULL;
}

// ****************************************************************************
// Method: QvisExpressionsWindow::CreateWindowContents
//
// Purpose: 
//   Creates the widgets for the window.
//
hrchilds's avatar
hrchilds committed
310
311
312
313
314
// 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
315
316
//
// Modifications:
hrchilds's avatar
hrchilds committed
317
318
319
320
321
322
323
324
//    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
325
326
327
//    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
328
329
330
//    Hank Childs, Thu Jul 21 11:12:43 PDT 2005
//    Add support for array mesh variables.
//
hrchilds's avatar
hrchilds committed
331
// ****************************************************************************
hrchilds's avatar
hrchilds committed
332

hrchilds's avatar
hrchilds committed
333
334
335
void
QvisExpressionsWindow::CreateWindowContents()
{
hrchilds's avatar
hrchilds committed
336
#define USE_SPLITTER
hrchilds's avatar
hrchilds committed
337
338
339
340
341
342
343
344
345
346
#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
347
    mainLayout->setStretchFactor(listLayout, 50);
hrchilds's avatar
hrchilds committed
348
349
#define f1 central
#else
hrchilds's avatar
hrchilds committed
350
351
    QGroupBox *f1 = new QGroupBox("Expression List",mainSplitter);
    QGridLayout *listLayout = new QGridLayout(f1, 4,2, 7, 5, "listLayout");
hrchilds's avatar
hrchilds committed
352
353
#endif

hrchilds's avatar
hrchilds committed
354
355
    listLayout->addRowSpacing(0, 10);

hrchilds's avatar
hrchilds committed
356
    exprListBox = new QListBox(f1);
hrchilds's avatar
hrchilds committed
357
    listLayout->addMultiCellWidget(exprListBox, 1,1, 0,1);
hrchilds's avatar
hrchilds committed
358
359

    newButton = new QPushButton("New", f1, "newButton");
hrchilds's avatar
hrchilds committed
360
    listLayout->addWidget(newButton, 2,0);
hrchilds's avatar
hrchilds committed
361

hrchilds's avatar
hrchilds committed
362
363
    delButton = new QPushButton("Delete", f1, "delButton");
    listLayout->addWidget(delButton, 2,1);
hrchilds's avatar
hrchilds committed
364

hrchilds's avatar
hrchilds committed
365
366
    displayAllVars = new QCheckBox("Display expressions from database", f1, "displayAllVars");
    listLayout->addMultiCellWidget(displayAllVars, 3,3, 0,1);
hrchilds's avatar
hrchilds committed
367
368
369
370

#ifndef USE_SPLITTER
    mainLayout->addSpacing(10);
    QGridLayout *editLayout = new QGridLayout(mainLayout, 6,2, 5, "editLayout");
hrchilds's avatar
hrchilds committed
371
    mainLayout->setStretchFactor(editLayout, 50);
hrchilds's avatar
hrchilds committed
372
373
#define f2 central
#else
hrchilds's avatar
hrchilds committed
374
375
    QGroupBox *f2 = new QGroupBox("Definition", mainSplitter);
    QGridLayout *editLayout = new QGridLayout(f2, 6,4, 7, 5, "editLayout");
hrchilds's avatar
hrchilds committed
376
377
378
#endif
    int row = 0;

hrchilds's avatar
hrchilds committed
379
380
381
    editLayout->addRowSpacing(row, 10);
    row++;

hrchilds's avatar
hrchilds committed
382
    nameEditLabel = new QLabel("Name", f2, "nameEditLabel");
hrchilds's avatar
hrchilds committed
383
384
385
    nameEdit = new QNarrowLineEdit(f2, "nameEdit");
    editLayout->addMultiCellWidget(nameEditLabel, row,row, 0,0);
    editLayout->addMultiCellWidget(nameEdit, row,row, 1,3);
hrchilds's avatar
hrchilds committed
386
387
388
389
390
    row++;

    typeLabel = new QLabel("Type", f2, "typeLabel");
    typeList = new QComboBox(f2, "typeList");
    int numtypes = Expression::GetNumTypes();
hrchilds's avatar
hrchilds committed
391
    numtypes = 6;  // HACK!!!  Variable types after 6 currently fail.  FIXME!!!
hrchilds's avatar
hrchilds committed
392
393
    int i;
    for (i=1; i < numtypes ; i++)
hrchilds's avatar
hrchilds committed
394
        typeList->insertItem(Expression::GetTypeString((Expression::ExprType)i));
hrchilds's avatar
hrchilds committed
395
396
    editLayout->addMultiCellWidget(typeLabel, row,row, 0,0);
    editLayout->addMultiCellWidget(typeList, row,row, 1,3);
hrchilds's avatar
hrchilds committed
397
398
399
400
401
402
403
404
405
    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
406
    editLayout->addMultiCellWidget(definitionEdit, row,row, 0,3);
hrchilds's avatar
hrchilds committed
407
408
    row++;

hrchilds's avatar
hrchilds committed
409
    notHidden = new QCheckBox("Show variable in plot menus", f2, "notHidden");
hrchilds's avatar
hrchilds committed
410
    editLayout->addWidget(notHidden, row, 0);
hrchilds's avatar
hrchilds committed
411

hrchilds's avatar
hrchilds committed
412
    insertFunctionButton = new QPushButton("Insert Function...", f2);
hrchilds's avatar
hrchilds committed
413
    insertFunctionMenu = new QPopupMenu(f2, "insertFunctionMenu");
hrchilds's avatar
hrchilds committed
414
    for (i=0; exprlist[i].name; i++)
hrchilds's avatar
hrchilds committed
415
416
417
418
419
420
421
422
423
424
    {
        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
425
    insertFunctionButton->setPopup(insertFunctionMenu);
hrchilds's avatar
hrchilds committed
426
427
428
429
430
431
432
433
434
435
436
    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
437
    row++;
hrchilds's avatar
hrchilds committed
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452

    // 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
453
454
    connect(notHidden, SIGNAL(clicked()),
            this, SLOT(notHiddenChanged()));
hrchilds's avatar
hrchilds committed
455
456
    connect(displayAllVars, SIGNAL(clicked()),
            this, SLOT(displayAllVarsChanged()));
hrchilds's avatar
hrchilds committed
457
458
459
460
461
462
463
464
465
466
467
468
}

// ****************************************************************************
// 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
469
//           of whether or not they are selected.  Currently ignored.
hrchilds's avatar
hrchilds committed
470
//
hrchilds's avatar
hrchilds committed
471
472
473
474
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
//
// Modifications:
hrchilds's avatar
hrchilds committed
475
476
477
478
//    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
479
//
hrchilds's avatar
hrchilds committed
480
481
482
483
484
485
486
// ****************************************************************************
void
QvisExpressionsWindow::UpdateWindow(bool)
{
    BlockAllSignals(true);

    exprListBox->clear();
hrchilds's avatar
hrchilds committed
487
488
    indexMap.clear();
    int pos = 0;
hrchilds's avatar
hrchilds committed
489
490
491
492
493
    for (int i=0; i<exprList->GetNumExpressions(); i++)
    {
        if (displayAllVars->isChecked() ||
            !exprList->GetExpression(i).GetFromDB())
        {
hrchilds's avatar
hrchilds committed
494
            exprListBox->insertItem(exprList->GetExpression(i).GetName().c_str());
hrchilds's avatar
hrchilds committed
495
            indexMap[pos++] = i;
hrchilds's avatar
hrchilds committed
496
497
498
499
500
501
502
503
504
        }
    }
    BlockAllSignals(false);

    UpdateWindowSingleItem();
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::UpdateWindowSingleItem
hrchilds's avatar
hrchilds committed
505
//
hrchilds's avatar
hrchilds committed
506
507
//  Purpose:
//    Update the pane of the window where a single expression is being edited.
hrchilds's avatar
hrchilds committed
508
//
hrchilds's avatar
hrchilds committed
509
510
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
hrchilds's avatar
hrchilds committed
511
//
hrchilds's avatar
hrchilds committed
512
513
514
515
516
517
//  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
518
519
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
520
QvisExpressionsWindow::UpdateWindowSingleItem()
hrchilds's avatar
hrchilds committed
521
{
hrchilds's avatar
hrchilds committed
522
523
524
    BlockAllSignals(true);
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
525
    if (index <  0)
hrchilds's avatar
hrchilds committed
526
527
    {
        nameEdit->setText("");
hrchilds's avatar
hrchilds committed
528
        notHidden->setChecked(true);
hrchilds's avatar
hrchilds committed
529
530
531
        definitionEdit->setText("");
    }
    else
hrchilds's avatar
hrchilds committed
532
    {
hrchilds's avatar
hrchilds committed
533
534
        Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
535
        nameEdit->setText(e.GetName().c_str());
hrchilds's avatar
hrchilds committed
536
537
        notHidden->setChecked(! e.GetHidden());
        typeList->setCurrentText(Expression::GetTypeString(e.GetType()));
hrchilds's avatar
hrchilds committed
538
        definitionEdit->setText(e.GetDefinition().c_str());
hrchilds's avatar
hrchilds committed
539
    }
hrchilds's avatar
hrchilds committed
540
541
542
543
    
    UpdateWindowSensitivity();
    BlockAllSignals(false);
}
hrchilds's avatar
hrchilds committed
544

hrchilds's avatar
hrchilds committed
545
546
547
548
549
550
551
552
553
// ****************************************************************************
//  Method:  QvisExpressionsWindow::UpdateWindowSensitivity
//
//  Purpose:
//    Update the sensitivity of any widget needing it.
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
554
555
556
557
558
559
//  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
560
561
562
//    Brad Whitlock, Thu Dec 9 14:04:22 PST 2004
//    Added a button to insert variable names.
//
hrchilds's avatar
hrchilds committed
563
// ****************************************************************************
hrchilds's avatar
hrchilds committed
564

hrchilds's avatar
hrchilds committed
565
566
567
568
void
QvisExpressionsWindow::UpdateWindowSensitivity()
{
    bool enable = true;
hrchilds's avatar
hrchilds committed
569
570
571
    int index = exprListBox->currentItem();

    if (index <  0)
hrchilds's avatar
hrchilds committed
572
    {
hrchilds's avatar
hrchilds committed
573
574
        enable = false;
    }
hrchilds's avatar
hrchilds committed
575
    else if ((*exprList)[indexMap[index]].GetFromDB())
hrchilds's avatar
hrchilds committed
576
577
    {
        enable = false;
hrchilds's avatar
hrchilds committed
578
579
    }

hrchilds's avatar
hrchilds committed
580
581
    nameEdit->setEnabled(enable);
    delButton->setEnabled(enable);
hrchilds's avatar
hrchilds committed
582
    notHidden->setEnabled(enable);
hrchilds's avatar
hrchilds committed
583
584
585
    typeList->setEnabled(enable);
    definitionEdit->setEnabled(enable);
    insertFunctionButton->setEnabled(enable);
hrchilds's avatar
hrchilds committed
586
    insertVariableButton->setEnabled(enable);
hrchilds's avatar
hrchilds committed
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
}

// ****************************************************************************
//  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
608
609
610
611
612
613
614
615
}

// ****************************************************************************
// Method: QvisExpressionsWindow::Apply
//
// Purpose: 
//   This is a Qt slot function that is called when the Apply button is clicked.
//
hrchilds's avatar
hrchilds committed
616
617
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
//
// 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
638
639
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
640
641
642
643
644
645
646
//
// Modifications:
//   
// ****************************************************************************
void
QvisExpressionsWindow::apply()
{
hrchilds's avatar
hrchilds committed
647
648
649
650
651
    // 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
652
    Apply(true);
hrchilds's avatar
hrchilds committed
653
654
655
656
657
658
659
660
661

    if (reselect)
    {
        for (int i=0; i<exprListBox->count(); i++)
        {
            if (exprListBox->text(i) == item)
                exprListBox->setSelected(i, true);
        }
    }
hrchilds's avatar
hrchilds committed
662
663
664
665
666
667
668
669
}

// ****************************************************************************
// Method: QvisExpressionsWindow::addExpression
//
// Purpose: 
//   This is a Qt slot function that adds a new expression that is empty.
//
hrchilds's avatar
hrchilds committed
670
671
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
672
673
//
// Modifications:
hrchilds's avatar
hrchilds committed
674
675
676
//    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
677
678
679
680
681
//   
// ****************************************************************************
void
QvisExpressionsWindow::addExpression()
{
hrchilds's avatar
hrchilds committed
682
683
684
685
686
687
688
689
690
691
692
693
    // 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
694

hrchilds's avatar
hrchilds committed
695
696
697
698
    Expression e;
    e.SetName(newName.latin1());
    e.SetDefinition("");
    exprList->AddExpression(e);
hrchilds's avatar
hrchilds committed
699
700

    exprList->Notify();
hrchilds's avatar
hrchilds committed
701
702
703
704
705
706

    for (int i=0; i<exprListBox->count(); i++)
    {
        if (exprListBox->text(i) == newName)
            exprListBox->setSelected(i, true);
    }
hrchilds's avatar
hrchilds committed
707
708
709
}

// ****************************************************************************
hrchilds's avatar
hrchilds committed
710
// Method: QvisExpressionsWindow::delExpression
hrchilds's avatar
hrchilds committed
711
712
713
714
//
// Purpose: 
//   This is a Qt slot function that is called to delete an expression.
//
hrchilds's avatar
hrchilds committed
715
716
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
717
718
//
// Modifications:
hrchilds's avatar
hrchilds committed
719
720
721
722
//    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
723
724
725
//   
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
726
QvisExpressionsWindow::delExpression()
hrchilds's avatar
hrchilds committed
727
{
hrchilds's avatar
hrchilds committed
728
729
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
730
    if (index <  0)
hrchilds's avatar
hrchilds committed
731
732
        return;

hrchilds's avatar
hrchilds committed
733
    exprList->RemoveExpression(indexMap[index]);
hrchilds's avatar
hrchilds committed
734
735
736

    exprList->Notify();
}
hrchilds's avatar
hrchilds committed
737
738
739
740
741
742
743
744
745
746
747

// ****************************************************************************
//  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
748
749
750
751
752
//  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
753
754
755
756
757
758
// ****************************************************************************
void
QvisExpressionsWindow::definitionTextChanged()
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
759
    if (index <  0)
hrchilds's avatar
hrchilds committed
760
761
        return;

hrchilds's avatar
hrchilds committed
762
763
    Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
764
    e.SetDefinition(definitionEdit->text().latin1());
hrchilds's avatar
hrchilds committed
765
766
767
768
769
770
771
772
773
774
775
776
777
778
}

// ****************************************************************************
//  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
779
780
781
782
783
//  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
784
785
786
787
//    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
788
789
790
791
792
793
// ****************************************************************************
void
QvisExpressionsWindow::nameTextChanged(const QString &text)
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
794
    if (index <  0)
hrchilds's avatar
hrchilds committed
795
796
        return;

hrchilds's avatar
hrchilds committed
797
798
    Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
799
    QString newname = text.stripWhiteSpace();
hrchilds's avatar
hrchilds committed
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814

    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
815
    e.SetName(newname.latin1());
hrchilds's avatar
hrchilds committed
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
    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
833
834
835
836
837
//  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
838
839
840
841
842
843
// ****************************************************************************
void
QvisExpressionsWindow::typeChanged(int value)
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
844
    if (index <  0)
hrchilds's avatar
hrchilds committed
845
846
        return;

hrchilds's avatar
hrchilds committed
847
848
    Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
849
850
    // Add one because we skipped index 0 (unknown) when creating the
    // list box originally
hrchilds's avatar
hrchilds committed
851
    e.SetType(Expression::ExprType(value+1));
hrchilds's avatar
hrchilds committed
852
853
854
}

// ****************************************************************************
hrchilds's avatar
hrchilds committed
855
//  Method:  QvisExpressionsWindow::notHiddenChanged
hrchilds's avatar
hrchilds committed
856
857
//
//  Purpose:
hrchilds's avatar
hrchilds committed
858
859
//    Slot function for the notHidden toggle.
//    Sets the "notHidden" flag of an expression.
hrchilds's avatar
hrchilds committed
860
861
862
863
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
864
865
866
867
868
869
//  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
870
871
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
872
QvisExpressionsWindow::notHiddenChanged()
hrchilds's avatar
hrchilds committed
873
874
875
{
    int index = exprListBox->currentItem();

hrchilds's avatar
hrchilds committed
876
    if (index <  0)
hrchilds's avatar
hrchilds committed
877
878
        return;

hrchilds's avatar
hrchilds committed
879
880
881
    Expression &e = (*exprList)[indexMap[index]];

    e.SetHidden(!notHidden->isChecked());
hrchilds's avatar
hrchilds committed
882
883
884
885
886
887
888
889
890
891
892
893
}

// ****************************************************************************
//  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
894
895
896
897
//  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
898
899
900
901
// ****************************************************************************
void
QvisExpressionsWindow::displayAllVarsChanged()
{
hrchilds's avatar
hrchilds committed
902
903
904
905
906
    // 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
907
    UpdateWindow(true);
hrchilds's avatar
hrchilds committed
908
909
910
911
912
913
914
915
916

    if (reselect)
    {
        for (int i=0; i<exprListBox->count(); i++)
        {
            if (exprListBox->text(i) == item)
                exprListBox->setSelected(i, true);
        }
    }
hrchilds's avatar
hrchilds committed
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
}

// ****************************************************************************
//  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
932
933
934
935
936
//  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
937
938
939
//    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
940
941
942
//    Hank Childs, Sun Jan 22 12:49:57 PST 2006
//    Add special insertion code for complicated expressions.
//
hrchilds's avatar
hrchilds committed
943
944
945
946
//    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
947
948
949
//    Hank Childs, Mon Mar 13 16:48:23 PST 2006
//    Added min and max.
//
hrchilds's avatar
hrchilds committed
950
// ****************************************************************************
hrchilds's avatar
hrchilds committed
951

hrchilds's avatar
hrchilds committed
952
953
954
955
956
957
958
void
QvisExpressionsWindow::insertFunction(int id)
{
    if (!definitionEdit->isEnabled())
        return;

    definitionEdit->insert(insertFunctionMenu->text(id));
hrchilds's avatar
hrchilds committed
959

hrchilds's avatar
hrchilds committed
960
    bool doParens = (insertFunctionMenu->text(id).length() >= 2);
hrchilds's avatar
hrchilds committed
961
    std::string str = insertFunctionMenu->text(id).latin1();
hrchilds's avatar
hrchilds committed
962
963
964
965
966
967
968
    if (str == "conn_cmfe")
    {
        definitionEdit->insert("(<filename:var>, <meshname>)");
        doParens = false;
    }
    else if (str == "pos_cmfe")
    {
hrchilds's avatar
hrchilds committed
969
        definitionEdit->insert("(<filename:var>, <meshname>, <default-var>)");
hrchilds's avatar
hrchilds committed
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
        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
998
999
1000
1001
1002
    else if (str == "min" || str == "max")
    {
        definitionEdit->insert("(<var1>, <var2>)");
        doParens = false;
    }
hrchilds's avatar
hrchilds committed
1003
1004

    if (doParens)
hrchilds's avatar
hrchilds committed
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
    {
        definitionEdit->insert("()");

        int col,line;
        definitionEdit->getCursorPosition(&line, &col);
        col--;
        if (col < 0)
            col = 0;
        definitionEdit->setCursorPosition(line, col);
    }
hrchilds's avatar
hrchilds committed
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033

    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
1034
1035
1036
//    Jeremy Meredith, Fri Sep  2 16:26:42 PDT 2005
//    Made it be more aggressive about quoting.
//
hrchilds's avatar
hrchilds committed
1037
1038
1039
1040
1041
1042
1043
1044
// ****************************************************************************

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

hrchilds's avatar
hrchilds committed
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
    // 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
1064
        newVar = QString("<") + var + QString(">");
hrchilds's avatar
hrchilds committed
1065
1066
    else
        newVar = var;
hrchilds's avatar
hrchilds committed
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099

    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
1100
}