1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2007, 2010, 2011, 2012 Free Software Foundation
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #include "compute-dialog.h"
20 #include "builder-wrapper.h"
21 #include "psppire-dialog.h"
22 #include "psppire-keypad.h"
23 #include "psppire-data-window.h"
24 #include "psppire-selector.h"
25 #include "dialog-common.h"
26 #include <libpspp/i18n.h>
29 #include <language/expressions/public.h>
34 static void function_list_populate (GtkTreeView *tv);
36 static void insert_function_into_syntax_area (GtkTreeIter iter,
42 static void insert_source_row_into_text_view (GtkTreeIter iter,
52 GtkBuilder *xml; /* The xml that generated the widgets */
59 on_target_change (GObject *obj, struct compute_dialog *cd)
61 GtkWidget *target = get_widget_assert (cd->xml, "compute-entry1");
62 GtkWidget *type_and_label = get_widget_assert (cd->xml, "compute-button1");
64 const gchar *var_name = gtk_entry_get_text (GTK_ENTRY (target));
65 gboolean valid = var_name && strcmp ("", var_name);
67 gtk_widget_set_sensitive (type_and_label, valid);
71 refresh (GObject *obj, const struct compute_dialog *cd)
73 GtkTextIter start, end;
74 GtkWidget *target = get_widget_assert (cd->xml, "compute-entry1");
75 GtkWidget *syntax_area = get_widget_assert (cd->xml, "compute-textview1");
76 GtkWidget *varlist = get_widget_assert (cd->xml, "compute-treeview1");
77 GtkWidget *funclist = get_widget_assert (cd->xml, "compute-treeview2");
79 GtkTextBuffer *buffer =
80 gtk_text_view_get_buffer (GTK_TEXT_VIEW (syntax_area));
82 GtkTreeSelection *selection;
84 /* Clear the target variable entry box */
85 gtk_entry_set_text (GTK_ENTRY (target), "");
86 g_signal_emit_by_name (target, "changed");
88 /* Clear the syntax area textbuffer */
89 gtk_text_buffer_get_start_iter (buffer, &start);
90 gtk_text_buffer_get_end_iter (buffer, &end);
91 gtk_text_buffer_delete (buffer, &start, &end);
93 /* Unselect all items in the treeview */
94 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (varlist));
95 gtk_tree_selection_unselect_all (selection);
97 /* And the other one */
98 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (funclist));
99 gtk_tree_selection_unselect_all (selection);
104 erase_selection (GtkTextBuffer *buffer)
106 GtkTextIter start, end;
108 gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
110 gtk_text_buffer_delete (buffer, &start, &end);
116 on_keypad_button (PsppireKeypad *kp, const gchar *syntax, gpointer data)
118 GtkBuilder *xml = data;
120 GtkWidget *rhs = get_widget_assert (xml, "compute-textview1");
122 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (rhs));
124 erase_selection (buffer);
126 gtk_text_buffer_insert_at_cursor (buffer, syntax, strlen (syntax));
128 if (0 == strcmp (syntax, "()"))
131 GtkTextMark *cursor = gtk_text_buffer_get_insert (buffer);
132 gtk_text_buffer_get_iter_at_mark (buffer, &iter, cursor);
133 gtk_text_iter_backward_cursor_position (&iter);
134 gtk_text_buffer_move_mark (buffer, cursor, &iter);
140 erase (PsppireKeypad *kp, gpointer data)
142 GtkBuilder *xml = data;
144 GtkWidget *rhs = get_widget_assert (xml, "compute-textview1");
146 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (rhs));
148 erase_selection (buffer);
152 generate_syntax (const struct compute_dialog *cd)
156 const gchar *target_name ;
159 GtkTextIter start, end;
160 GtkWidget *target = get_widget_assert (cd->xml, "compute-entry1");
161 GtkWidget *syntax_area = get_widget_assert (cd->xml, "compute-textview1");
162 GtkWidget *string_toggle = get_widget_assert (cd->xml, "radio-button-string");
163 GtkWidget *user_label_toggle =
164 get_widget_assert (cd->xml, "radio-button-user-label");
165 GtkWidget *width_entry = get_widget_assert (cd->xml, "type-and-label-width");
166 GtkWidget *label_entry = get_widget_assert (cd->xml,
167 "type-and-label-label-entry");
170 GtkTextBuffer *buffer =
171 gtk_text_view_get_buffer (GTK_TEXT_VIEW (syntax_area));
173 gtk_text_buffer_get_start_iter (buffer, &start);
174 gtk_text_buffer_get_end_iter (buffer, &end);
176 target_name = gtk_entry_get_text (GTK_ENTRY (target));
178 expression = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
180 string = g_string_sized_new (64);
182 if ( cd-> use_type &&
183 NULL == psppire_dict_lookup_var (cd->dict, target_name ))
185 if ( gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (string_toggle)))
187 const char *w = gtk_entry_get_text (GTK_ENTRY(width_entry));
188 g_string_append_printf (string,
189 "STRING %s (a%s).\n", target_name, w);
192 g_string_append_printf (string, "NUMERIC %s.\n", target_name);
195 if ( gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (user_label_toggle)))
196 label = gtk_entry_get_text (GTK_ENTRY (label_entry));
200 if ( strlen (label) > 0 )
201 g_string_append_printf (string, "VARIABLE LABEL %s '%s'.\n",
205 g_string_append_printf (string, "COMPUTE %s = %s.\n",
210 g_string_append (string, "EXECUTE.\n");
217 g_string_free (string, FALSE);
223 reset_type_label_dialog (struct compute_dialog *cd)
225 const gchar *target_name;
226 struct variable *target_var;
228 GtkWidget *width_entry =
229 get_widget_assert (cd->xml, "type-and-label-width");
231 GtkWidget *label_entry =
232 get_widget_assert (cd->xml, "type-and-label-label-entry");
234 GtkWidget *numeric_target =
235 get_widget_assert (cd->xml, "radio-button-numeric");
237 GtkWidget *string_target =
238 get_widget_assert (cd->xml, "radio-button-string");
241 target_name = gtk_entry_get_text
242 (GTK_ENTRY (get_widget_assert (cd->xml, "compute-entry1")));
245 if ( (target_var = psppire_dict_lookup_var (cd->dict, target_name)) )
247 /* Existing Variable */
249 GtkWidget *user_label =
250 get_widget_assert (cd->xml, "radio-button-user-label");
252 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (user_label), TRUE);
254 label = var_get_label (target_var);
258 gtk_entry_set_text (GTK_ENTRY (label_entry), label);
261 gtk_widget_set_sensitive (width_entry, FALSE);
263 if ( var_is_numeric (target_var))
264 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (numeric_target),
267 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (string_target),
270 gtk_widget_set_sensitive (numeric_target, FALSE);
271 gtk_widget_set_sensitive (string_target, FALSE);
275 GtkWidget *expression =
276 get_widget_assert (cd->xml, "radio-button-expression-label");
278 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (expression), TRUE);
280 gtk_widget_set_sensitive (width_entry, TRUE);
281 gtk_widget_set_sensitive (numeric_target, TRUE);
282 gtk_widget_set_sensitive (string_target, TRUE);
284 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (numeric_target),
291 run_type_label_dialog (GtkButton *b, gpointer data)
293 struct compute_dialog *cd = data;
296 GtkWidget *subdialog = get_widget_assert (cd->xml, "type-and-label-dialog");
297 GtkWidget *dialog = get_widget_assert (cd->xml, "compute-variable-dialog");
299 gtk_window_set_transient_for (GTK_WINDOW (subdialog), GTK_WINDOW (dialog));
301 reset_type_label_dialog (cd);
302 response = psppire_dialog_run (PSPPIRE_DIALOG (subdialog));
303 if ( response == PSPPIRE_RESPONSE_CONTINUE)
309 on_expression_toggle (GtkToggleButton *button, gpointer data)
311 struct compute_dialog *cd = data;
314 get_widget_assert (cd->xml, "type-and-label-label-entry");
316 if ( gtk_toggle_button_get_active (button))
318 gtk_entry_set_text (GTK_ENTRY (entry), "");
319 gtk_widget_set_sensitive (entry, FALSE);
324 struct variable *target_var;
325 const gchar *target_name = gtk_entry_get_text
326 (GTK_ENTRY (get_widget_assert (cd->xml, "compute-entry1")));
328 target_var = psppire_dict_lookup_var (cd->dict, target_name);
331 label = var_get_label (target_var);
334 gtk_entry_set_text (GTK_ENTRY (entry), label);
337 gtk_entry_set_text (GTK_ENTRY (entry), "");
339 gtk_widget_set_sensitive (entry, TRUE);
344 /* Return TRUE if the dialog box's widgets' state are such that clicking OK
345 might not result in erroneous syntax being generated */
347 contents_plausible (gpointer data)
349 struct compute_dialog *cd = data;
351 GtkWidget *target = get_widget_assert (cd->xml, "compute-entry1");
352 GtkWidget *syntax_area = get_widget_assert (cd->xml, "compute-textview1");
353 GtkTextBuffer *buffer =
354 gtk_text_view_get_buffer (GTK_TEXT_VIEW (syntax_area));
356 if ( 0 == strcmp ("", gtk_entry_get_text (GTK_ENTRY (target))))
359 if ( gtk_text_buffer_get_char_count (buffer) == 0 )
365 /* Pops up the Compute dialog box */
367 compute_dialog (PsppireDataWindow *de)
371 struct compute_dialog scd;
373 GtkBuilder *xml = builder_new ("compute.ui");
375 GtkWidget *dialog = get_widget_assert (xml, "compute-variable-dialog");
377 GtkWidget *dict_view = get_widget_assert (xml, "compute-treeview1");
378 GtkWidget *functions = get_widget_assert (xml, "compute-treeview2");
379 GtkWidget *keypad = get_widget_assert (xml, "psppire-keypad1");
380 GtkWidget *target = get_widget_assert (xml, "compute-entry1");
381 GtkWidget *var_selector = get_widget_assert (xml, "compute-selector1");
382 GtkWidget *func_selector = get_widget_assert (xml, "compute-selector2");
383 GtkWidget *type_and_label = get_widget_assert (xml, "compute-button1");
385 GtkWidget *expression =
386 get_widget_assert (xml, "radio-button-expression-label");
389 g_object_get (de->data_editor, "dictionary", &scd.dict, NULL);
390 scd.use_type = FALSE;
392 g_signal_connect (expression, "toggled",
393 G_CALLBACK(on_expression_toggle), &scd);
395 gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (de));
398 g_object_set (dict_view, "model", scd.dict,
399 "selection-mode", GTK_SELECTION_SINGLE,
402 psppire_selector_set_select_func (PSPPIRE_SELECTOR (var_selector),
403 insert_source_row_into_text_view, NULL);
405 function_list_populate (GTK_TREE_VIEW (functions));
407 psppire_selector_set_select_func (PSPPIRE_SELECTOR (func_selector),
408 insert_function_into_syntax_area, NULL);
412 psppire_dialog_set_valid_predicate (PSPPIRE_DIALOG (dialog),
413 contents_plausible, &scd);
415 g_signal_connect (target, "changed", G_CALLBACK (on_target_change), &scd);
417 g_signal_connect (dialog, "refresh", G_CALLBACK (refresh), &scd);
419 g_signal_connect (keypad, "insert-syntax",
420 G_CALLBACK (on_keypad_button), xml);
422 g_signal_connect (keypad, "erase",
423 G_CALLBACK (erase), xml);
426 g_signal_connect (type_and_label, "clicked",
427 G_CALLBACK (run_type_label_dialog), &scd);
431 response = psppire_dialog_run (PSPPIRE_DIALOG (dialog));
436 case GTK_RESPONSE_OK:
437 g_free (execute_syntax_string (de, generate_syntax (&scd)));
439 case PSPPIRE_RESPONSE_PASTE:
440 g_free (paste_syntax_to_window (generate_syntax (&scd)));
446 g_object_unref (xml);
458 function_list_populate (GtkTreeView *tv)
460 GtkListStore *liststore;
464 const gint n_funcs = expr_get_function_cnt ();
466 liststore = gtk_list_store_new (3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INT);
468 for (i = 0 ; i < n_funcs ; ++i)
470 const struct operation *op = expr_get_function (i);
472 gtk_list_store_append (liststore, &iter);
474 gtk_list_store_set (liststore, &iter,
475 COMPUTE_COL_NAME, expr_operation_get_name (op),
476 COMPUTE_COL_USAGE, expr_operation_get_prototype (op),
477 COMPUTE_COL_ARITY, expr_operation_get_arg_cnt (op),
483 /* Set the cell rendering */
486 GtkTreeViewColumn *col;
487 GtkCellRenderer *renderer;
490 col = gtk_tree_view_column_new ();
492 gtk_tree_view_append_column (tv, col);
494 renderer = gtk_cell_renderer_text_new ();
496 gtk_tree_view_column_pack_start (col, renderer, TRUE);
498 gtk_tree_view_column_add_attribute (col, renderer, "text", COMPUTE_COL_USAGE);
501 gtk_tree_view_set_model (tv, GTK_TREE_MODEL (liststore));
502 g_object_unref (liststore);
509 insert_function_into_syntax_area (GtkTreeIter iter,
510 GtkWidget *text_view,
516 GValue name_value = {0};
517 GValue arity_value = {0};
521 GtkTextBuffer *buffer ;
523 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
525 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
527 gtk_tree_model_get_value (model, &iter, COMPUTE_COL_NAME, &name_value);
528 gtk_tree_model_get_value (model, &iter, COMPUTE_COL_ARITY, &arity_value);
530 arity = g_value_get_int (&arity_value);
532 string = g_string_new (g_value_get_string (&name_value));
534 g_string_append (string, "(");
535 for ( i = 0 ; i < arity -1 ; ++i )
537 g_string_append (string, "?,");
539 g_string_append (string, "?)");
542 erase_selection (buffer);
544 gtk_text_buffer_insert_at_cursor (buffer, string->str, string->len);
546 g_value_unset (&name_value);
547 g_value_unset (&arity_value);
548 g_string_free (string, TRUE);
550 /* Now position the cursor over the first '?' */
553 GtkTextIter selectbound;
554 GtkTextMark *cursor = gtk_text_buffer_get_insert (buffer);
555 gtk_text_buffer_get_iter_at_mark (buffer, &insert, cursor);
556 for ( i = 0 ; i < arity ; ++i )
558 gtk_text_iter_backward_cursor_position (&insert);
559 gtk_text_iter_backward_cursor_position (&insert);
561 selectbound = insert;
562 gtk_text_iter_forward_cursor_position (&selectbound);
564 gtk_text_buffer_select_range (buffer, &insert, &selectbound);
569 /* Inserts the name of the selected variable into the destination widget.
570 The destination widget must be a GtkTextView
573 insert_source_row_into_text_view (GtkTreeIter iter,
582 struct variable *var;
583 GtkTreeIter dict_iter;
584 GtkTextBuffer *buffer;
586 g_return_if_fail (GTK_IS_TEXT_VIEW (dest));
588 if ( GTK_IS_TREE_MODEL_FILTER (model))
590 dict = PSPPIRE_DICT (gtk_tree_model_filter_get_model
591 (GTK_TREE_MODEL_FILTER(model)));
593 gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER
599 dict = PSPPIRE_DICT (model);
603 path = gtk_tree_model_get_path (GTK_TREE_MODEL (dict), &dict_iter);
605 idx = gtk_tree_path_get_indices (path);
607 var = psppire_dict_get_variable (dict, *idx);
609 gtk_tree_path_free (path);
611 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dest));
613 erase_selection (buffer);
615 gtk_text_buffer_insert_at_cursor (buffer, var_get_name (var), -1);