QvisExpressionsWindow.C 57.3 KB
Newer Older
hrchilds's avatar
hrchilds committed
1
2
/*****************************************************************************
*
brugger's avatar
 
brugger committed
3
* Copyright (c) 2000 - 2010, Lawrence Livermore National Security, LLC
hrchilds's avatar
hrchilds committed
4
* Produced at the Lawrence Livermore National Laboratory
brugger's avatar
 
brugger committed
5
* LLNL-CODE-400124
hrchilds's avatar
hrchilds committed
6
7
* All rights reserved.
*
brugger's avatar
 
brugger committed
8
* This file is  part of VisIt. For  details, see https://visit.llnl.gov/.  The
hrchilds's avatar
hrchilds committed
9
10
11
12
13
14
15
16
17
18
* 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
brugger's avatar
 
brugger committed
19
20
21
*    documentation and/or other materials provided with the distribution.
*  - Neither the name of  the LLNS/LLNL nor the names of  its contributors may
*    be used to endorse or promote products derived from this software without
hrchilds's avatar
hrchilds committed
22
23
24
25
26
*    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
brugger's avatar
 
brugger committed
27
28
29
* ARE  DISCLAIMED. IN  NO EVENT  SHALL LAWRENCE  LIVERMORE NATIONAL  SECURITY,
* LLC, THE  U.S.  DEPARTMENT OF  ENERGY  OR  CONTRIBUTORS BE  LIABLE  FOR  ANY
* DIRECT,  INDIRECT,   INCIDENTAL,   SPECIAL,   EXEMPLARY,  OR   CONSEQUENTIAL
hrchilds's avatar
hrchilds committed
30
31
32
33
34
35
36
37
38
* 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
39
#include <QvisExpressionsWindow.h>
hrchilds's avatar
hrchilds committed
40

hrchilds's avatar
hrchilds committed
41
42
#include <Expression.h>
#include <ExpressionList.h>
hrchilds's avatar
hrchilds committed
43
44
#include <ViewerProxy.h>

whitlocb's avatar
whitlocb committed
45
46
47
48
49
50
51
52
53
54
55
56
#include <QApplication>
#include <QCheckBox>
#include <QComboBox>
#include <QGroupBox>
#include <QLabel>
#include <QLayout>
#include <QLineEdit>
#include <QListWidget>
#include <QTextEdit>
#include <QMenu>
#include <QPushButton>
#include <QSplitter>
hrchilds's avatar
hrchilds committed
57

hrchilds's avatar
hrchilds committed
58
#include <QNarrowLineEdit.h>
hrchilds's avatar
hrchilds committed
59
#include <QvisVariableButton.h>
cyrush's avatar
cyrush committed
60
#include <QvisPythonFilterEditor.h>
hrchilds's avatar
hrchilds committed
61

hrchilds's avatar
hrchilds committed
62
63
64
#define STDMIN(A,B) (((A)<(B)) ? (A) : (B))
#define STDMAX(A,B) (((A)<(B)) ? (B) : (A))

hrchilds's avatar
hrchilds committed
65
66
67
68
69
// ****************************************************************************
//  Expression Lists
//
//  Purpose:
//    Categorized expression lists data.  These structures are self-contained
70
//    and to be parsed correctly require only the terminating nulls.
hrchilds's avatar
hrchilds committed
71
72
73
74
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 23, 2004
//
hrchilds's avatar
hrchilds committed
75
76
77
78
79
//  Modifications:
//
//    Hank Childs, Sun Jan  2 15:32:00 PST 2005
//    Added curl, divergence, Laplacian, materror.
//
hrchilds's avatar
hrchilds committed
80
81
82
//    Hank Childs, Thu Jan 20 15:51:16 PST 2005
//    Added side volume, resrad.
//
hrchilds's avatar
hrchilds committed
83
84
85
86
87
//    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
88
89
90
//    Hank Childs, Tue Aug 16 09:05:03 PDT 2005
//    Added image processing category.
//
hrchilds's avatar
hrchilds committed
91
92
93
//    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
94
95
96
//    Hank Childs, Sun Jan 22 12:47:29 PST 2006
//    Renamed comparison to relational.  Added new category for comparison.
//
hrchilds's avatar
hrchilds committed
97
98
99
//    Hank Childs, Tue Feb 14 14:06:20 PST 2006
//    Added ijk_gradient.
//
hrchilds's avatar
hrchilds committed
100
101
102
//    Hank Childs, Sun Mar  5 16:03:38 PST 2006
//    Added time.
//
hrchilds's avatar
hrchilds committed
103
104
105
//    Hank Childs, Mon Mar 13 16:48:23 PST 2006
//    Added minimum and maximum.
//
hrchilds's avatar
hrchilds committed
106
107
108
109
//    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
110
111
112
//    Hank Childs, Fri Oct  6 15:47:04 PDT 2006
//    Added abel_inversion.
//
hrchilds's avatar
hrchilds committed
113
114
115
//    Mark C. Miller, Wed Nov 15 12:47:05 PST 2006
//    Added zonetype expression
//
hrchilds's avatar
hrchilds committed
116
117
118
//    Hank Childs, Fri Dec 22 10:27:45 PST 2006
//    Added symm_point.
//
hrchilds's avatar
hrchilds committed
119
120
121
//    Hank Childs, Fri Jan 12 13:20:33 PST 2007
//    Added array_compose_with_bins
//
hrchilds's avatar
hrchilds committed
122
123
124
//    Cyrus Harrison, Tue Feb 20 12:02:00 PST 2007
//    Added conn_components
//
125
126
127
//    Cyrus Harrison, Fri Jun  1 14:49:49 PDT 2007
//    Added contraction and viscous_stress
//
128
129
130
//    Jeremy Meredith, Thu Aug 30 16:02:58 EDT 2007
//    Added hsvcolor.
//
131
132
133
//    Gunther H. Weber, Thu Jan 10 12:00:23 PST 2008
//    Added colorlookup.
//
134
135
136
//    Cyrus Harrison, Thu Jan 31 09:45:30 PST 2008
//    Added value_for_material
//
hrchilds's avatar
hrchilds committed
137
138
139
//    Hank Childs, Thu Feb 21 15:50:36 PST 2008
//    Added transpose.
//
140
141
142
//    Brad Whitlock, Tue Apr  8 12:17:11 PDT 2008
//    Added support for internalization of the expression category names.
//
brugger's avatar
 
brugger committed
143
144
145
146
//    Eric Brugger, Wed Aug  6 17:49:59 PDT 2008
//    Renamed smallest_angle to minimum_angle and largest_angle to
//    maximum_angle.
//
147
148
149
//    Hank Childs, Mon Dec 29 11:56:50 PST 2008
//    Added dominant_mat.
//
hrchilds's avatar
hrchilds committed
150
151
152
//    Hank Childs, Sun Feb 22 08:56:33 PST 2009
//    Added category for time iterating expressions.
//
153
154
155
//    Jeremy Meredith, Mon Mar 16 14:40:13 EDT 2009
//    Added timestep and cycle.
//
156
157
158
//    Kathleen Bonnell, Mon Apr 27 17:35:25 PDT 2009
//    Added sinh, cosh, tanh to expr_trig.
//
159
160
161
//    Hank Childs, Mon Jun 28 06:49:16 PDT 2010
//    Add [min|max][x|y|z]_coord.
//
hrchilds's avatar
hrchilds committed
162
// ****************************************************************************
hrchilds's avatar
hrchilds committed
163

hrchilds's avatar
hrchilds committed
164
165
struct ExprNameList
{
166
    QString      name;
hrchilds's avatar
hrchilds committed
167
168
169
170
171
172
173
174
    const char **list;
};

const char *expr_meshquality[] = {
    "aspect",
    "aspect_gamma",
    "condition",
    "degree",
175
176
177
    "diagonal_ratio",
    "min_diagonal",
    "max_diagonal",
hrchilds's avatar
hrchilds committed
178
179
    "dimension",
    "jacobian",
hrchilds's avatar
hrchilds committed
180
181
    "max_edge_length",
    "max_side_volume",
brugger's avatar
 
brugger committed
182
    "maximum_angle",
hrchilds's avatar
hrchilds committed
183
184
    "min_edge_length",
    "min_side_volume",
brugger's avatar
 
brugger committed
185
    "minimum_angle",
hrchilds's avatar
hrchilds committed
186
187
188
189
190
191
192
193
194
195
196
197
    "neighbor",
    "node_degree",
    "oddy",
    "relative_size",
    "scaled_jacobian",
    "shape",
    "shape_and_size",
    "shear",
    "skew",
    "stretch",
    "taper",
    "warpage",
198
199
    "face_planarity",
    "relative_face_planarity",
hrchilds's avatar
hrchilds committed
200
201
202
203
204
    NULL
};

const char *expr_math[] = {
    "abs",
hrchilds's avatar
hrchilds committed
205
206
    "ceil",
    "floor",
207
    "exp",
hrchilds's avatar
hrchilds committed
208
209
    "ln",
    "log10",
hrchilds's avatar
hrchilds committed
210
211
    "max",
    "min",
hrchilds's avatar
hrchilds committed
212
213
    "mod",
    "round",
hrchilds's avatar
hrchilds committed
214
215
    "sqr",
    "sqrt",
216
    "random",
hrchilds's avatar
hrchilds committed
217
218
219
220
221
    "+",
    "-",
    "*",
    "/",
    "^",
222
    "&",
hrchilds's avatar
hrchilds committed
223
224
225
    NULL
};

hrchilds's avatar
hrchilds committed
226
const char *expr_relational[] = {
hrchilds's avatar
hrchilds committed
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
    "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",
253
    "cosh",
hrchilds's avatar
hrchilds committed
254
255
256
    "deg2rad",
    "rad2deg",
    "sin",
257
    "sinh",
hrchilds's avatar
hrchilds committed
258
    "tan",
259
    "tanh",
hrchilds's avatar
hrchilds committed
260
261
262
263
    NULL
};

const char *expr_vector[] = {
hrchilds's avatar
hrchilds committed
264
265
    "color",
    "color4",
266
    "colorlookup",
hrchilds's avatar
hrchilds committed
267
268
    "cross",
    "dot",
269
    "hsvcolor",
hrchilds's avatar
hrchilds committed
270
    "magnitude",
hrchilds's avatar
hrchilds committed
271
    "normalize",
hrchilds's avatar
hrchilds committed
272
273
274
275
    NULL
};

const char *expr_tensor[] = {
276
    "contraction",
hrchilds's avatar
hrchilds committed
277
278
279
280
281
282
283
284
285
    "determinant",
    "effective_tensor",
    "eigenvalue",
    "eigenvector",
    "inverse",
    "principal_deviatoric_tensor",
    "principal_tensor",
    "tensor_maximum_shear",
    "trace",
hrchilds's avatar
hrchilds committed
286
    "transpose",
287
    "viscous_stress",
hrchilds's avatar
hrchilds committed
288
289
290
    NULL
};

hrchilds's avatar
hrchilds committed
291
292
const char *expr_array[] = {
    "array_compose",
hrchilds's avatar
hrchilds committed
293
    "array_compose_with_bins",
hrchilds's avatar
hrchilds committed
294
295
296
297
    "array_decompose",
    NULL
};

hrchilds's avatar
hrchilds committed
298
const char *expr_materials[] = {
299
    "dominant_mat",
hrchilds's avatar
hrchilds committed
300
    "materror",
hrchilds's avatar
hrchilds committed
301
302
303
    "matvf",
    "nmats",
    "specmf",
304
    "value_for_material",
hrchilds's avatar
hrchilds committed
305
306
307
308
309
310
    NULL
};

const char *expr_mesh[] = {
    "area",
    "coord",
hrchilds's avatar
hrchilds committed
311
312
313
    "cylindrical",
    "cylindrical_radius",
    "cylindrical_theta",
hrchilds's avatar
hrchilds committed
314
    "external_node",
hrchilds's avatar
hrchilds committed
315
316
    "global_nodeid",
    "global_zoneid",
317
318
319
320
321
322
    "maxx_coord",
    "maxy_coord",
    "maxz_coord",
    "minx_coord",
    "miny_coord",
    "minz_coord",
hrchilds's avatar
hrchilds committed
323
    "nodeid",
hrchilds's avatar
hrchilds committed
324
    "polar",
hrchilds's avatar
hrchilds committed
325
326
327
    "polar_radius",
    "polar_theta",
    "polar_phi",
hrchilds's avatar
hrchilds committed
328
329
330
    "revolved_surface_area",
    "revolved_volume",
    "volume",
hrchilds's avatar
hrchilds committed
331
    "zoneid",
hrchilds's avatar
hrchilds committed
332
    "zonetype",
hrchilds's avatar
hrchilds committed
333
334
335
336
    NULL
};

const char *expr_misc[] = {
337
    "cell_constant",
hrchilds's avatar
hrchilds committed
338
    "conn_components",
hrchilds's avatar
hrchilds committed
339
    "curl",
340
    "cycle",
hrchilds's avatar
hrchilds committed
341
    "divergence",
342
    "enumerate",
hrchilds's avatar
hrchilds committed
343
    "gauss_curvature",
hrchilds's avatar
hrchilds committed
344
    "gradient",
hrchilds's avatar
hrchilds committed
345
346
    "ij_gradient",
    "ijk_gradient",
hrchilds's avatar
hrchilds committed
347
    "Laplacian",
hrchilds's avatar
hrchilds committed
348
    "mean_curvature",
349
    "point_constant",
hrchilds's avatar
hrchilds committed
350
    "recenter",
hrchilds's avatar
hrchilds committed
351
    "resrad",
hrchilds's avatar
hrchilds committed
352
353
354
    "surface_normal",
    "   point_surface_normal",
    "   cell_surface_normal",
hrchilds's avatar
hrchilds committed
355
    "time",
356
    "timestep",
hrchilds's avatar
hrchilds committed
357
358
359
    NULL
};

hrchilds's avatar
hrchilds committed
360
const char *expr_imageprocessing[] = {
hrchilds's avatar
hrchilds committed
361
    "abel_inversion",
hrchilds's avatar
hrchilds committed
362
363
364
365
366
367
    "conservative_smoothing",
    "mean_filter",
    "median_filter",
    NULL
};

hrchilds's avatar
hrchilds committed
368
369
370
const char *expr_comparison[] = {
    "conn_cmfe",
    "pos_cmfe",
hrchilds's avatar
hrchilds committed
371
    "symm_point",
hrchilds's avatar
hrchilds committed
372
373
374
375
376
    "symm_plane",
    "symm_transform",
    NULL
};

hrchilds's avatar
hrchilds committed
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
const char *expr_time_iteration[] = {
    "average_over_time",
    "cycle_at_minimum",
    "cycle_at_maximum",
    "first_cycle_when_condition_is_true",
    "first_time_when_condition_is_true",
    "first_time_index_when_condition_is_true",
    "last_cycle_when_condition_is_true",
    "last_time_when_condition_is_true",
    "last_time_index_when_condition_is_true",
    "min_over_time", 
    "max_over_time", 
    "sum_over_time", 
    "time_at_minimum",
    "time_at_maximum",
    "time_index_at_minimum",
    "time_index_at_maximum",
    "value_at_minimum",
    "value_at_maximum",
    "var_when_condition_is_first_true",
    "var_when_condition_is_last_true",
    NULL
};

#define NUM_EXPRESSION_CATEGORIES 15
402
ExprNameList exprlist[NUM_EXPRESSION_CATEGORIES];
hrchilds's avatar
hrchilds committed
403

hrchilds's avatar
hrchilds committed
404
405
406
407
408
409
410
411
412
413
// ****************************************************************************
// Method: QvisExpressionsWindow::QvisExpressionsWindow
//
// Purpose: 
//   This is the constructor for the QvisExpressionsWindow class.
//
// Arguments:
//   exprList_  The ExpressionList subject to observe
//   
//
hrchilds's avatar
hrchilds committed
414
415
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
416
//
417
418
419
420
// Modifications:
//   Brad Whitlock, Tue Apr  8 12:15:08 PDT 2008
//   Support for internationalization.
//
hrchilds's avatar
hrchilds committed
421
422
423
//   Hank Childs, Sun Feb 22 09:01:29 PST 2009
//   Add time iteration category.
//
hrchilds's avatar
hrchilds committed
424
// ****************************************************************************
425

hrchilds's avatar
hrchilds committed
426
QvisExpressionsWindow::QvisExpressionsWindow(
427
428
    ExpressionList *exprList_, const QString &caption,
    const QString &shortName, QvisNotepadArea *notepad) :
hrchilds's avatar
hrchilds committed
429
430
431
432
    QvisPostableWindowObserver(exprList_, caption, shortName, notepad,
                               QvisPostableWindowObserver::ApplyButton,
                               false)
{
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
    // Populate the expression categories. If you add a new one, increment
    // the NUM_EXPRESSION_CATEGORIES macro.
    exprlist[0].name = tr("Math");
    exprlist[0].list = expr_math;
    exprlist[1].name = tr("Vector");
    exprlist[1].list = expr_vector;
    exprlist[2].name = tr("Tensor");
    exprlist[2].list = expr_tensor;
    exprlist[3].name = tr("Array");
    exprlist[3].list = expr_array;
    exprlist[4].name = tr("Material");
    exprlist[4].list = expr_materials;
    exprlist[5].name = tr("Mesh");
    exprlist[5].list = expr_mesh;
    exprlist[6].name = tr("Mesh Quality");
    exprlist[6].list = expr_meshquality;
    exprlist[7].name = tr("Comparison");
    exprlist[7].list = expr_comparison;
    exprlist[8].name = tr("Image Processing");
    exprlist[8].list = expr_imageprocessing;
    exprlist[9].name = tr("Miscellaneous");
    exprlist[9].list = expr_misc;
    exprlist[10].name = tr("Trigonometry");
    exprlist[10].list = expr_trig;
    exprlist[11].name = tr("Relational");
    exprlist[11].list = expr_relational;
    exprlist[12].name = tr("Conditional");
    exprlist[12].list = expr_conditional;
    exprlist[13].name = tr("Logical");
    exprlist[13].list = expr_logical;
hrchilds's avatar
hrchilds committed
463
464
    exprlist[14].name = tr("Time Iteration");
    exprlist[14].list = expr_time_iteration;
465

hrchilds's avatar
hrchilds committed
466
467
468
469
470
471
472
473
474
    exprList = exprList_;
}

// ****************************************************************************
// Method: QvisExpressionsWindow::~QvisExpressionsWindow
//
// Purpose: 
//   Destructor for the QvisExpressionsWindow class.
//
hrchilds's avatar
hrchilds committed
475
476
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
//
// Modifications:
//   
// ****************************************************************************
QvisExpressionsWindow::~QvisExpressionsWindow()
{
    exprList = NULL;
}

// ****************************************************************************
// Method: QvisExpressionsWindow::CreateWindowContents
//
// Purpose: 
//   Creates the widgets for the window.
//
hrchilds's avatar
hrchilds committed
492
493
494
495
496
// 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
497
498
//
// Modifications:
hrchilds's avatar
hrchilds committed
499
500
501
502
503
504
505
506
//    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
507
508
509
//    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
510
511
512
//    Hank Childs, Thu Jul 21 11:12:43 PDT 2005
//    Add support for array mesh variables.
//
hrchilds's avatar
hrchilds committed
513
514
515
//    Kathleen Bonnell, Thu Aug  3 08:42:33 PDT 2006 
//    Changed numtypes to 7 to support CurveMeshVar.
//
516
517
518
//    Brad Whitlock, Tue Apr  8 09:27:26 PDT 2008
//    Support for internationalization.
//
519
520
//    Mark C. Miller, Mon Apr 14 15:41:21 PDT 2008
//    Added '&' bitwise binary and operation
521
//
whitlocb's avatar
whitlocb committed
522
523
524
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
525
526
527
528
//    Jeremy Meredith, Thu Aug  7 15:37:17 EDT 2008
//    changed an erroneous pointer-based string comparison to a true
//    string based comparison.
//
hrchilds's avatar
hrchilds committed
529
// ****************************************************************************
hrchilds's avatar
hrchilds committed
530

hrchilds's avatar
hrchilds committed
531
532
533
void
QvisExpressionsWindow::CreateWindowContents()
{
whitlocb's avatar
whitlocb committed
534

hrchilds's avatar
hrchilds committed
535
536
537
    QSplitter *mainSplitter = new QSplitter(central);
    topLayout->addWidget(mainSplitter);
    topLayout->setStretchFactor(mainSplitter, 100);
cyrush's avatar
cyrush committed
538

whitlocb's avatar
whitlocb committed
539
540
    QGroupBox *f1 = new QGroupBox(tr("Expression List"));
    QGridLayout *listLayout = new QGridLayout(f1);
hrchilds's avatar
hrchilds committed
541

whitlocb's avatar
whitlocb committed
542
543
    exprListBox = new QListWidget(f1);
    listLayout->addWidget(exprListBox, 1,0, 1,2);
hrchilds's avatar
hrchilds committed
544

whitlocb's avatar
whitlocb committed
545
    newButton = new QPushButton(tr("New"), f1);
hrchilds's avatar
hrchilds committed
546
    listLayout->addWidget(newButton, 2,0);
hrchilds's avatar
hrchilds committed
547

whitlocb's avatar
whitlocb committed
548
    delButton = new QPushButton(tr("Delete"), f1);
hrchilds's avatar
hrchilds committed
549
    listLayout->addWidget(delButton, 2,1);
hrchilds's avatar
hrchilds committed
550

whitlocb's avatar
whitlocb committed
551
552
553
554
    displayAllVars = new QCheckBox(tr("Display expressions from database"), f1);
    listLayout->addWidget(displayAllVars, 3,0, 1,2);

    mainSplitter->addWidget(f1);
cyrush's avatar
cyrush committed
555

whitlocb's avatar
whitlocb committed
556
    QGroupBox *f2 = new QGroupBox(tr("Definition"));
cyrush's avatar
cyrush committed
557
    QGridLayout *definitionLayout = new QGridLayout(f2);
hrchilds's avatar
hrchilds committed
558

cyrush's avatar
cyrush committed
559
    int row = 0;
hrchilds's avatar
hrchilds committed
560

whitlocb's avatar
whitlocb committed
561
562
    nameEditLabel = new QLabel(tr("Name"), f2);
    nameEdit = new QNarrowLineEdit(f2);
cyrush's avatar
cyrush committed
563
564
    definitionLayout->addWidget(nameEditLabel, row,0, 1,1);
    definitionLayout->addWidget(nameEdit, row,1, 1,3);
hrchilds's avatar
hrchilds committed
565
566
    row++;

whitlocb's avatar
whitlocb committed
567
568
    typeLabel = new QLabel(tr("Type"), f2);
    typeList = new QComboBox(f2);
569
    // Extracted from Expression::GetTypeString so we can internationalize.
whitlocb's avatar
whitlocb committed
570
571
572
573
574
575
576
    typeList->addItem(tr("Scalar Mesh Variable"));
    typeList->addItem(tr("Vector Mesh Variable"));
    typeList->addItem(tr("Tensor Mesh Variable"));
    typeList->addItem(tr("Symmetric Tensor Mesh Variable"));
    typeList->addItem(tr("Array Mesh Variable"));
    typeList->addItem(tr("Curve Mesh Variable"));

cyrush's avatar
cyrush committed
577
578
    definitionLayout->addWidget(typeLabel, row,0, 1,1);
    definitionLayout->addWidget(typeList, row,1, 1,3);
hrchilds's avatar
hrchilds committed
579
580
    row++;

cyrush's avatar
cyrush committed
581
582
    notHidden = new QCheckBox(tr("Show variable in plot menus"), f2);
    definitionLayout->addWidget(notHidden, row,1, 1,3);
hrchilds's avatar
hrchilds committed
583
584
    row++;

cyrush's avatar
cyrush committed
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
    editorTabs = new QTabWidget(f2);

    // tab 1 -> standard editor
    CreateStandardEditor();
    editorTabs->addTab(stdEditorWidget, "Standard Editor");
    // tab 2 -> python filter editor
    CreatePythonFilterEditor();
    editorTabs->addTab(pyEditorWidget, "Python Expression Editor");


    definitionLayout->addWidget(editorTabs,row,0,1,4);

    mainSplitter->addWidget(f2);

    // connect signals

    connect(exprListBox, SIGNAL(itemSelectionChanged()),
            this, SLOT(UpdateWindowSingleItem()));
    connect(nameEdit, SIGNAL(textChanged(const QString&)),
            this, SLOT(nameTextChanged(const QString&)));

    connect(newButton, SIGNAL(pressed()),
            this, SLOT(addExpression()));
    connect(delButton, SIGNAL(pressed()),
            this, SLOT(delExpression()));
    connect(typeList, SIGNAL(activated(int)),
            this, SLOT(typeChanged(int)));
    connect(displayAllVars, SIGNAL(clicked()),
            this, SLOT(displayAllVarsChanged()));
    connect(notHidden, SIGNAL(clicked()),
            this, SLOT(notHiddenChanged()));

}

// ****************************************************************************
// Method: QvisExpressionsWindow::CreateStandardEditor()
//
// Purpose:
//   Creates widgets used to construct standard visit expressions.
//   (pulled mostly from previous CreateWindowContents() method.)
//
//
// Programmer: Cyrus Harrison
// Creation:   Thu Feb 11 10:33:20 PST 2010
//
// Modifications:
//
// ****************************************************************************

void
QvisExpressionsWindow::CreateStandardEditor()
{
    stdEditorWidget = new QWidget();

    QGridLayout *layout = new QGridLayout(stdEditorWidget);
    int row = 0;

    stdDefinitionEditLabel = new QLabel(tr("Definition"), stdEditorWidget);
    layout->addWidget(stdDefinitionEditLabel, row, 0);
hrchilds's avatar
hrchilds committed
644
645
    row++;

cyrush's avatar
cyrush committed
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
    stdDefinitionEdit = new QTextEdit(stdEditorWidget);
    layout->addWidget(stdDefinitionEdit, row,0,1,4);
    row++;


    stdInsertFunctionButton = new QPushButton(tr("Insert Function..."));
    stdInsertFunctionMenu = new QMenu(stdEditorWidget);
    for (int i=0; i < NUM_EXPRESSION_CATEGORIES; i++)
    {
        QMenu *submnu = stdInsertFunctionMenu->addMenu(exprlist[i].name);
        for (int j=0; exprlist[i].list[j]; j++)
        {
            if (std::string(exprlist[i].list[j])=="&")
                submnu->addAction("&&");
            else
                submnu->addAction(exprlist[i].list[j]);
        }
        connect(submnu, SIGNAL(triggered(QAction *)),
                this, SLOT(stdInsertFunction(QAction *)));
    }
    stdInsertFunctionButton->setMenu(stdInsertFunctionMenu);
    layout->addWidget(stdInsertFunctionButton, row, 2);

    // Create a variable button so we can insert variables for the
    // active source.
    stdInsertVariableButton = new QvisVariableButton(false, false, false, -1,stdEditorWidget);
    stdInsertVariableButton->setChangeTextOnVariableChange(false);
    stdInsertVariableButton->setText(tr("Insert Variable..."));
    connect(stdInsertVariableButton, SIGNAL(activated(const QString &)),
            this, SLOT(stdInsertVariable(const QString &)));
    layout->addWidget(stdInsertVariableButton, row, 3);

    connect(stdDefinitionEdit, SIGNAL(textChanged()),
            this, SLOT(stdDefinitionTextChanged()));

}

// ****************************************************************************
// Method: QvisExpressionsWindow::CreatePythonFilterEditor()
//
// Purpose:
//   Creates widgets that compose the python expression filter editor.
//
//
// Programmer: Cyrus Harrison
// Creation:   2010 Thu Feb 11 10:47:51 PST 2010
//
// Modifications:
//
// ****************************************************************************

void
QvisExpressionsWindow::CreatePythonFilterEditor()
{
    pyEditorWidget = new QWidget();

    QGridLayout *layout = new QGridLayout(pyEditorWidget);
    int row = 0;

    pyArgsEditLabel = new QLabel(tr("Arguments"), pyEditorWidget);
    layout->addWidget(pyArgsEditLabel, row, 0);
    row++;

    pyArgsEdit = new QLineEdit(pyEditorWidget);
    layout->addWidget(pyArgsEdit, row,0,1,4);
    row++;


    connect(pyArgsEdit, SIGNAL(textChanged (const QString &)),
            this, SLOT(pyArgsTextChanged()));


    pyInsertFunctionButton = new QPushButton(tr("Insert Function..."));
    pyInsertFunctionMenu = new QMenu(pyEditorWidget);
hrchilds's avatar
hrchilds committed
720

721
    for (int i=0; i < NUM_EXPRESSION_CATEGORIES; i++)
hrchilds's avatar
hrchilds committed
722
    {
cyrush's avatar
cyrush committed
723
        QMenu *submnu = pyInsertFunctionMenu->addMenu(exprlist[i].name);
hrchilds's avatar
hrchilds committed
724
725
        for (int j=0; exprlist[i].list[j]; j++)
        {
726
            if (std::string(exprlist[i].list[j])=="&")
whitlocb's avatar
whitlocb committed
727
                submnu->addAction("&&");
728
            else
whitlocb's avatar
whitlocb committed
729
                submnu->addAction(exprlist[i].list[j]);
hrchilds's avatar
hrchilds committed
730
        }
cyrush's avatar
cyrush committed
731

whitlocb's avatar
whitlocb committed
732
        connect(submnu, SIGNAL(triggered(QAction *)),
cyrush's avatar
cyrush committed
733
                this, SLOT(pyInsertFunction(QAction *)));
hrchilds's avatar
hrchilds committed
734
    }
hrchilds's avatar
hrchilds committed
735
736
737

    // Create a variable button so we can insert variables for the
    // active source.
cyrush's avatar
cyrush committed
738
739
740
741
742
743
744
745
746
747
748
    pyInsertVariableButton = new QvisVariableButton(false, false, false, -1,pyEditorWidget);
    pyInsertVariableButton->setChangeTextOnVariableChange(false);
    pyInsertVariableButton->setText(tr("Insert Variable..."));

    connect(pyInsertVariableButton, SIGNAL(activated(const QString &)),
            this, SLOT(pyInsertVariable(const QString &)));

    layout->addWidget(pyInsertVariableButton, row, 3);

    pyInsertFunctionButton->setMenu(pyInsertFunctionMenu);
    layout->addWidget(pyInsertFunctionButton, row, 2);
hrchilds's avatar
hrchilds committed
749
    row++;
hrchilds's avatar
hrchilds committed
750

cyrush's avatar
cyrush committed
751
752
753
754
755
756
757
758
759
760
761
762
763
    pyFilterEditLabel = new QLabel(tr("Python Expression Script"), pyEditorWidget);

    pyFilterEdit = new QvisPythonFilterEditor();
    layout->addWidget(pyFilterEditLabel, row, 0);
    row++;
    layout->addWidget(pyFilterEdit,row,0,1,4);

    connect(pyFilterEdit, SIGNAL(sourceTextChanged()),
            this, SLOT(pyFilterSourceChanged()));

    connect(pyFilterEdit, SIGNAL(templateSelected(const QString &)),
            this, SLOT(pyTemplateSelected(const QString &)));

hrchilds's avatar
hrchilds committed
764
765
}

cyrush's avatar
cyrush committed
766

hrchilds's avatar
hrchilds committed
767
768
769
770
771
772
773
774
775
776
// ****************************************************************************
// 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
777
//           of whether or not they are selected.  Currently ignored.
hrchilds's avatar
hrchilds committed
778
//
hrchilds's avatar
hrchilds committed
779
780
781
782
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
//
// Modifications:
hrchilds's avatar
hrchilds committed
783
784
785
786
//    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
787
//
788
789
790
//    Jeremy Meredith, Tue Feb 19 14:20:57 EST 2008
//    Don't display expressions that were created by operators.
//
whitlocb's avatar
whitlocb committed
791
792
793
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
hrchilds's avatar
hrchilds committed
794
795
796
797
798
799
800
// ****************************************************************************
void
QvisExpressionsWindow::UpdateWindow(bool)
{
    BlockAllSignals(true);

    exprListBox->clear();
hrchilds's avatar
hrchilds committed
801
802
    indexMap.clear();
    int pos = 0;
hrchilds's avatar
hrchilds committed
803
804
    for (int i=0; i<exprList->GetNumExpressions(); i++)
    {
805
806
        if (exprList->GetExpressions(i).GetFromOperator())
            continue;
hrchilds's avatar
hrchilds committed
807
        if (displayAllVars->isChecked() ||
hrchilds's avatar
hrchilds committed
808
            !exprList->GetExpressions(i).GetFromDB())
hrchilds's avatar
hrchilds committed
809
        {
whitlocb's avatar
whitlocb committed
810
            exprListBox->addItem(exprList->GetExpressions(i).GetName().c_str());
hrchilds's avatar
hrchilds committed
811
            indexMap[pos++] = i;
hrchilds's avatar
hrchilds committed
812
813
814
815
816
817
818
819
820
        }
    }
    BlockAllSignals(false);

    UpdateWindowSingleItem();
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::UpdateWindowSingleItem
hrchilds's avatar
hrchilds committed
821
//
hrchilds's avatar
hrchilds committed
822
823
//  Purpose:
//    Update the pane of the window where a single expression is being edited.
hrchilds's avatar
hrchilds committed
824
//
hrchilds's avatar
hrchilds committed
825
826
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
hrchilds's avatar
hrchilds committed
827
//
hrchilds's avatar
hrchilds committed
828
829
830
831
832
833
//  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.
//
whitlocb's avatar
whitlocb committed
834
835
836
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
hrchilds's avatar
hrchilds committed
837
838
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
839
QvisExpressionsWindow::UpdateWindowSingleItem()
hrchilds's avatar
hrchilds committed
840
{
whitlocb's avatar
whitlocb committed
841
    int index = exprListBox->currentRow();
hrchilds's avatar
hrchilds committed
842
    if (index <  0)
hrchilds's avatar
hrchilds committed
843
844
    {
        nameEdit->setText("");
hrchilds's avatar
hrchilds committed
845
        notHidden->setChecked(true);
cyrush's avatar
cyrush committed
846
847
848
849

        stdDefinitionEdit->setText("");
        pyArgsEdit->setText("");
        pyFilterEdit->setSource("");
850
851
        stdExprActive = true;
        pyExprActive = true;
hrchilds's avatar
hrchilds committed
852
853
    }
    else
hrchilds's avatar
hrchilds committed
854
    {
hrchilds's avatar
hrchilds committed
855
856
        Expression &e = (*exprList)[indexMap[index]];

hrchilds's avatar
hrchilds committed
857
        nameEdit->setText(e.GetName().c_str());
cyrush's avatar
cyrush committed
858

whitlocb's avatar
whitlocb committed
859
860
        int tidx = typeList->findText(Expression::GetTypeString(e.GetType()));
        typeList->setCurrentIndex(tidx);
cyrush's avatar
cyrush committed
861
862
863
864
        notHidden->setChecked(! e.GetHidden());

        QString expr_def = QString(e.GetDefinition().c_str());

865
        UpdateStandardExpressionEditor(expr_def);
cyrush's avatar
cyrush committed
866
        UpdatePythonExpressionEditor(expr_def);
867
868
        if(expr_def.trimmed() == QString("") && pyExprActive)
            stdExprActive = true;
hrchilds's avatar
hrchilds committed
869
    }
cyrush's avatar
cyrush committed
870

hrchilds's avatar
hrchilds committed
871
872
    UpdateWindowSensitivity();
}
hrchilds's avatar
hrchilds committed
873

hrchilds's avatar
hrchilds committed
874
875
876
877
878
879
880
881
882
// ****************************************************************************
//  Method:  QvisExpressionsWindow::UpdateWindowSensitivity
//
//  Purpose:
//    Update the sensitivity of any widget needing it.
//
//  Programmer:  Jeremy Meredith
//  Creation:    October 10, 2004
//
hrchilds's avatar
hrchilds committed
883
884
885
886
887
888
//  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
889
890
891
//    Brad Whitlock, Thu Dec 9 14:04:22 PST 2004
//    Added a button to insert variable names.
//
892
893
894
895
//    Cyrus Harrison,  Mon Oct  1 16:24:32 PDT 2007
//    Changed definitionEdit to be readOnly instead of disabled
//    for database expressions so users can select/copy them.
//
whitlocb's avatar
whitlocb committed
896
897
898
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
hrchilds's avatar
hrchilds committed
899
// ****************************************************************************
hrchilds's avatar
hrchilds committed
900

hrchilds's avatar
hrchilds committed
901
902
903
904
void
QvisExpressionsWindow::UpdateWindowSensitivity()
{
    bool enable = true;
whitlocb's avatar
whitlocb committed
905
    int index = exprListBox->currentRow();
hrchilds's avatar
hrchilds committed
906
907

    if (index <  0)
hrchilds's avatar
hrchilds committed
908
    {
hrchilds's avatar
hrchilds committed
909
910
        enable = false;
    }
hrchilds's avatar
hrchilds committed
911
    else if ((*exprList)[indexMap[index]].GetFromDB())
hrchilds's avatar
hrchilds committed
912
913
    {
        enable = false;
hrchilds's avatar
hrchilds committed
914
915
    }

hrchilds's avatar
hrchilds committed
916
917
    nameEdit->setEnabled(enable);
    delButton->setEnabled(enable);
cyrush's avatar
cyrush committed
918

hrchilds's avatar
hrchilds committed
919
    typeList->setEnabled(enable);
cyrush's avatar
cyrush committed
920
921
    notHidden->setEnabled(enable);

922
    stdEditorWidget->setEnabled(enable && stdExprActive);
cyrush's avatar
cyrush committed
923
    pyEditorWidget->setEnabled(enable && pyExprActive);
hrchilds's avatar
hrchilds committed
924
925
926
927
928
929
930
931
932
933
934
935
936
937
}

// ****************************************************************************
//  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
//
938
939
940
941
// Modifications:
//   Cyrus Harrison, Fri Mar  5 13:22:24 PST 2010
//   Block signals from all edits related to python filters.
//
hrchilds's avatar
hrchilds committed
942
943
944
945
946
947
// ****************************************************************************
void
QvisExpressionsWindow::BlockAllSignals(bool block)
{
    exprListBox->blockSignals(block);
    nameEdit->blockSignals(block);
948
949
950
951

    stdDefinitionEdit->blockSignals(block);
    pyArgsEdit->blockSignals(block);
    pyFilterEdit->blockSignals(block);
hrchilds's avatar
hrchilds committed
952
953
954
955
956
957
958
959
}

// ****************************************************************************
// Method: QvisExpressionsWindow::Apply
//
// Purpose: 
//   This is a Qt slot function that is called when the Apply button is clicked.
//
hrchilds's avatar
hrchilds committed
960
961
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
962
963
964
965
966
967
968
969
970
971
//
// Modifications:
//   
// ****************************************************************************
void
QvisExpressionsWindow::Apply(bool forceUpdate)
{
    exprList->Notify();

    if (AutoUpdate() || forceUpdate)
hrchilds's avatar
hrchilds committed
972
        GetViewerMethods()->ProcessExpressions();
hrchilds's avatar
hrchilds committed
973
974
975
976
977
978
979
980
981
}

// ****************************************************************************
// 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
982
983
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
984
985
//
// Modifications:
whitlocb's avatar
whitlocb committed
986
987
988
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
989
990
991
992
//    Jeremy Meredith, Tue Jun  2 10:40:48 EDT 2009
//    Fix null pointer dereference when there's no current item (e.g. empty
//    window).
//
hrchilds's avatar
hrchilds committed
993
994
995
996
// ****************************************************************************
void
QvisExpressionsWindow::apply()
{
hrchilds's avatar
hrchilds committed
997
998
    // Apply will recreate the window and unselect the current expression.
    // If we have an expression selected, reselect it afterwards.
999
1000
1001
1002
    bool reselect = (exprListBox->currentRow() != -1);
    QString item;
    if (reselect)
        item = exprListBox->currentItem()->text();
cyrush's avatar
cyrush committed
1003

hrchilds's avatar
hrchilds committed
1004
    Apply(true);
hrchilds's avatar
hrchilds committed
1005
1006
1007
1008
1009

    if (reselect)
    {
        for (int i=0; i<exprListBox->count(); i++)
        {
whitlocb's avatar
whitlocb committed
1010
1011
1012
1013
1014
1015
1016
            if (exprListBox->item(i)->text() == item)
            {
                exprListBox->item(i)->setSelected(true);
                exprListBox->setCurrentRow(i);
                UpdateWindowSingleItem();
                break;
            }
hrchilds's avatar
hrchilds committed
1017
1018
        }
    }
hrchilds's avatar
hrchilds committed
1019
1020
1021
1022
1023
1024
1025
1026
}

// ****************************************************************************
// Method: QvisExpressionsWindow::addExpression
//
// Purpose: 
//   This is a Qt slot function that adds a new expression that is empty.
//
hrchilds's avatar
hrchilds committed
1027
1028
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
1029
1030
//
// Modifications:
hrchilds's avatar
hrchilds committed
1031
1032
1033
//    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.
whitlocb's avatar
whitlocb committed
1034
1035
1036
1037
//
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
hrchilds's avatar
hrchilds committed
1038
1039
1040
1041
// ****************************************************************************
void
QvisExpressionsWindow::addExpression()
{
hrchilds's avatar
hrchilds committed
1042
1043
1044
1045
1046
1047
1048
    // Find an unused expression name
    int newid = 1;
    bool okay = false;
    QString newName;
    while (!okay)
    {
        newName.sprintf("unnamed%d", newid);
whitlocb's avatar
whitlocb committed
1049
        if ((*exprList)[newName.toStdString().c_str()])
hrchilds's avatar
hrchilds committed
1050
1051
1052
1053
            newid++;
        else
            okay = true;
    }
hrchilds's avatar
hrchilds committed
1054

hrchilds's avatar
hrchilds committed
1055
    Expression e;
whitlocb's avatar
whitlocb committed
1056
    e.SetName(newName.toStdString());
hrchilds's avatar
hrchilds committed
1057
    e.SetDefinition("");
hrchilds's avatar
hrchilds committed
1058
    exprList->AddExpressions(e);
hrchilds's avatar
hrchilds committed
1059
1060

    exprList->Notify();
hrchilds's avatar
hrchilds committed
1061
1062
1063

    for (int i=0; i<exprListBox->count(); i++)
    {
whitlocb's avatar
whitlocb committed
1064
1065
1066
1067
1068
1069
1070
        if (exprListBox->item(i)->text() == newName)
        {
            exprListBox->item(i)->setSelected(true);
            exprListBox->setCurrentRow(i);
            UpdateWindowSingleItem();
            break;
        }
hrchilds's avatar
hrchilds committed
1071
    }
hrchilds's avatar
hrchilds committed
1072
1073
1074
}

// ****************************************************************************
hrchilds's avatar
hrchilds committed
1075
// Method: QvisExpressionsWindow::delExpression
hrchilds's avatar
hrchilds committed
1076
1077
1078
1079
//
// Purpose: 
//   This is a Qt slot function that is called to delete an expression.
//
hrchilds's avatar
hrchilds committed
1080
1081
// Programmer: Jeremy Meredith
// Creation:   October 10, 2004
hrchilds's avatar
hrchilds committed
1082
1083
//
// Modifications:
hrchilds's avatar
hrchilds committed
1084
1085
1086
1087
//    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)
cyrush's avatar
cyrush committed
1088
//
whitlocb's avatar
whitlocb committed
1089
1090
1091
1092
1093
1094
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
//    Cyrus Harrison, Mon Jul 21 16:22:30 PDT 2008
//    Fixed a crash when last expression was deleted. 
//
hrchilds's avatar
hrchilds committed
1095
1096
// ****************************************************************************
void
hrchilds's avatar
hrchilds committed
1097
QvisExpressionsWindow::delExpression()
hrchilds's avatar
hrchilds committed
1098
{
whitlocb's avatar
whitlocb committed
1099
    int index = exprListBox->currentRow();
hrchilds's avatar
hrchilds committed
1100

hrchilds's avatar
hrchilds committed
1101
    if (index <  0)
hrchilds's avatar
hrchilds committed
1102
1103
        return;

hrchilds's avatar
hrchilds committed
1104
    exprList->RemoveExpressions(indexMap[index]);
hrchilds's avatar
hrchilds committed
1105
    exprList->Notify();
cyrush's avatar
cyrush committed
1106

whitlocb's avatar
whitlocb committed
1107
    // try to select sensible expression:
cyrush's avatar
cyrush committed
1108
    // if del expr was last expr: before
whitlocb's avatar
whitlocb committed
1109
    // else: after
cyrush's avatar
cyrush committed
1110

whitlocb's avatar
whitlocb committed
1111
    int nrows = exprListBox->count();
cyrush's avatar
cyrush committed
1112

whitlocb's avatar
whitlocb committed
1113
1114
1115
1116
1117
1118
1119
1120
    if(nrows > 0)
    {
        if(index == nrows)
            index--;
        exprListBox->item(index)->setSelected(true);
        exprListBox->setCurrentRow(index);
        UpdateWindowSingleItem();
    }
cyrush's avatar
cyrush committed
1121

hrchilds's avatar
hrchilds committed
1122
}
hrchilds's avatar
hrchilds committed
1123
1124

// ****************************************************************************
cyrush's avatar
cyrush committed
1125
//  Method:  QvisExpressionsWindow::stdDefinitionTextChanged
hrchilds's avatar
hrchilds committed
1126
1127
1128
1129
1130
1131
1132
1133
//
//  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
1134
1135
1136
1137
1138
//  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.
//
whitlocb's avatar
whitlocb committed
1139
1140
1141
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
cyrush's avatar
cyrush committed
1142
1143
1144
//    Cyrus Harrison, Thu Feb 11 12:14:15 PST 2010
//    Renamed from definitionTextChanged.
//
hrchilds's avatar
hrchilds committed
1145
1146
// ****************************************************************************
void
cyrush's avatar
cyrush committed
1147
QvisExpressionsWindow::stdDefinitionTextChanged()
hrchilds's avatar
hrchilds committed
1148
{
whitlocb's avatar
whitlocb committed
1149
    int index = exprListBox->currentRow();
hrchilds's avatar
hrchilds committed
1150

hrchilds's avatar
hrchilds committed
1151
    if (index <  0)
hrchilds's avatar
hrchilds committed
1152
1153
        return;

hrchilds's avatar
hrchilds committed
1154
1155
    Expression &e = (*exprList)[indexMap[index]];

cyrush's avatar
cyrush committed
1156
    e.SetDefinition(stdDefinitionEdit->toPlainText().toStdString());
hrchilds's avatar
hrchilds committed
1157
1158
}

cyrush's avatar
cyrush committed
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196

// ****************************************************************************
//  Method:  QvisExpressionsWindow::pyArgsTextChanged
//
//  Purpose:
//    Slot function when python args text is changed.
//
//  Programmer:  Cyrus Harrison
//  Creation:    Thu Feb 18 12:45:38 PST 2010
//
//  Modifications:
//
// ****************************************************************************
void
QvisExpressionsWindow::pyArgsTextChanged()
{
    UpdatePythonExpression();
}

// ****************************************************************************
//  Method:  QvisExpressionsWindow::pyFilterSourceChanged
//
//  Purpose:
//    Slot function when python filter script text is changed.
//
//  Programmer:  Cyrus Harrison
//  Creation:    Thu Feb 18 12:45:38 PST 2010
//
//  Modifications:
//
// ****************************************************************************
void
QvisExpressionsWindow::pyFilterSourceChanged()
{
    UpdatePythonExpression();
}


hrchilds's avatar
hrchilds committed
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
// ****************************************************************************
//  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
1209
1210
1211
1212
1213
//  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
1214
1215
1216
1217
//    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)
//
whitlocb's avatar
whitlocb committed
1218
1219
1220
//    Cyrus Harrison, Wed Jun 11 13:49:19 PDT 2008
//    Initial Qt4 Port.
//
hrchilds's avatar
hrchilds committed
1221
1222
1223
1224
// ****************************************************************************
void
QvisExpressionsWindow::nameTextChanged(const QString &text)
{
whitlocb's avatar
whitlocb committed
1225
    int index = exprListBox->currentRow();
hrchilds's avatar
hrchilds committed
1226

hrchilds's avatar
hrchilds committed
1227
    if (index <  0)
hrchilds's avatar
hrchilds committed
1228
1229
        return;

hrchilds's avatar
hrchilds committed
1230
1231
    Expression &e = (*exprList)[indexMap[index]];

whitlocb's avatar
whitlocb committed
1232
    QString newname = text.trimmed();
hrchilds's avatar
hrchilds committed
1233
1234
1235
1236
1237
1238
1239
1240

    if (newname.isEmpty())
    {
        int newid = 1;
        bool okay = false;
        while (!okay)
        {
            newname.sprintf("unnamed%d", newid);
whitlocb's avatar
whitlocb committed
1241
            if ((*exprList)[newname.