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)
308 on_type_toggled (GtkToggleButton *button, gpointer data)
310 struct compute_dialog *cd = data;
313 get_widget_assert (cd->xml, "type-and-label-width");
315 if ( gtk_toggle_button_get_active (button))
317 gtk_widget_set_sensitive (entry, TRUE);
318 gtk_widget_grab_focus (entry);
322 gtk_widget_set_sensitive (entry, FALSE);
327 on_expression_toggle (GtkToggleButton *button, gpointer data)
329 struct compute_dialog *cd = data;
332 get_widget_assert (cd->xml, "type-and-label-label-entry");
334 if ( gtk_toggle_button_get_active (button))
336 gtk_entry_set_text (GTK_ENTRY (entry), "");
337 gtk_widget_set_sensitive (entry, FALSE);
341 struct variable *target_var;
342 const gchar *target_name = gtk_entry_get_text
343 (GTK_ENTRY (get_widget_assert (cd->xml, "compute-entry1")));
345 target_var = psppire_dict_lookup_var (cd->dict, target_name);
348 const char *label = var_get_label (target_var);
351 gtk_entry_set_text (GTK_ENTRY (entry), label);
354 gtk_entry_set_text (GTK_ENTRY (entry), "");
356 gtk_widget_set_sensitive (entry, TRUE);
357 gtk_widget_grab_focus (entry);
362 /* Return TRUE if the dialog box's widgets' state are such that clicking OK
363 might not result in erroneous syntax being generated */
365 contents_plausible (gpointer data)
367 struct compute_dialog *cd = data;
369 GtkWidget *target = get_widget_assert (cd->xml, "compute-entry1");
370 GtkWidget *syntax_area = get_widget_assert (cd->xml, "compute-textview1");
371 GtkTextBuffer *buffer =
372 gtk_text_view_get_buffer (GTK_TEXT_VIEW (syntax_area));
374 if ( 0 == strcmp ("", gtk_entry_get_text (GTK_ENTRY (target))))
377 if ( gtk_text_buffer_get_char_count (buffer) == 0 )
383 /* Pops up the Compute dialog box */
385 compute_dialog (PsppireDataWindow *de)
389 struct compute_dialog scd;
391 GtkBuilder *xml = builder_new ("compute.ui");
393 GtkWidget *dialog = get_widget_assert (xml, "compute-variable-dialog");
395 GtkWidget *dict_view = get_widget_assert (xml, "compute-treeview1");
396 GtkWidget *functions = get_widget_assert (xml, "compute-treeview2");
397 GtkWidget *keypad = get_widget_assert (xml, "psppire-keypad1");
398 GtkWidget *target = get_widget_assert (xml, "compute-entry1");
399 GtkWidget *var_selector = get_widget_assert (xml, "compute-selector1");
400 GtkWidget *func_selector = get_widget_assert (xml, "compute-selector2");
401 GtkWidget *type_and_label = get_widget_assert (xml, "compute-button1");
403 GtkWidget *expression =
404 get_widget_assert (xml, "radio-button-expression-label");
407 get_widget_assert (xml, "radio-button-string");
410 g_object_get (de->data_editor, "dictionary", &scd.dict, NULL);
411 scd.use_type = FALSE;
413 g_signal_connect (expression, "toggled",
414 G_CALLBACK(on_expression_toggle), &scd);
416 g_signal_connect (str_btn, "toggled",
417 G_CALLBACK(on_type_toggled), &scd);
419 gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (de));
422 g_object_set (dict_view, "model", scd.dict,
423 "selection-mode", GTK_SELECTION_SINGLE,
426 psppire_selector_set_select_func (PSPPIRE_SELECTOR (var_selector),
427 insert_source_row_into_text_view, NULL);
429 function_list_populate (GTK_TREE_VIEW (functions));
431 psppire_selector_set_select_func (PSPPIRE_SELECTOR (func_selector),
432 insert_function_into_syntax_area, NULL);
436 psppire_dialog_set_valid_predicate (PSPPIRE_DIALOG (dialog),
437 contents_plausible, &scd);
439 g_signal_connect (target, "changed", G_CALLBACK (on_target_change), &scd);
441 g_signal_connect (dialog, "refresh", G_CALLBACK (refresh), &scd);
443 g_signal_connect (keypad, "insert-syntax",
444 G_CALLBACK (on_keypad_button), xml);
446 g_signal_connect (keypad, "erase",
447 G_CALLBACK (erase), xml);
450 g_signal_connect (type_and_label, "clicked",
451 G_CALLBACK (run_type_label_dialog), &scd);
455 response = psppire_dialog_run (PSPPIRE_DIALOG (dialog));
460 case GTK_RESPONSE_OK:
461 g_free (execute_syntax_string (de, generate_syntax (&scd)));
463 case PSPPIRE_RESPONSE_PASTE:
464 g_free (paste_syntax_to_window (generate_syntax (&scd)));
470 g_object_unref (xml);
482 function_list_populate (GtkTreeView *tv)
484 GtkListStore *liststore;
488 const gint n_funcs = expr_get_function_cnt ();
490 liststore = gtk_list_store_new (3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INT);
492 for (i = 0 ; i < n_funcs ; ++i)
494 const struct operation *op = expr_get_function (i);
496 gtk_list_store_append (liststore, &iter);
498 gtk_list_store_set (liststore, &iter,
499 COMPUTE_COL_NAME, expr_operation_get_name (op),
500 COMPUTE_COL_USAGE, expr_operation_get_prototype (op),
501 COMPUTE_COL_ARITY, expr_operation_get_arg_cnt (op),
507 /* Set the cell rendering */
510 GtkTreeViewColumn *col;
511 GtkCellRenderer *renderer;
514 col = gtk_tree_view_column_new ();
516 gtk_tree_view_append_column (tv, col);
518 renderer = gtk_cell_renderer_text_new ();
520 gtk_tree_view_column_pack_start (col, renderer, TRUE);
522 gtk_tree_view_column_add_attribute (col, renderer, "text", COMPUTE_COL_USAGE);
525 gtk_tree_view_set_model (tv, GTK_TREE_MODEL (liststore));
526 g_object_unref (liststore);
533 insert_function_into_syntax_area (GtkTreeIter iter,
534 GtkWidget *text_view,
540 GValue name_value = {0};
541 GValue arity_value = {0};
545 GtkTextBuffer *buffer ;
547 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
549 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
551 gtk_tree_model_get_value (model, &iter, COMPUTE_COL_NAME, &name_value);
552 gtk_tree_model_get_value (model, &iter, COMPUTE_COL_ARITY, &arity_value);
554 arity = g_value_get_int (&arity_value);
556 string = g_string_new (g_value_get_string (&name_value));
558 g_string_append (string, "(");
559 for ( i = 0 ; i < arity -1 ; ++i )
561 g_string_append (string, "?,");
563 g_string_append (string, "?)");
566 erase_selection (buffer);
568 gtk_text_buffer_insert_at_cursor (buffer, string->str, string->len);
570 g_value_unset (&name_value);
571 g_value_unset (&arity_value);
572 g_string_free (string, TRUE);
574 /* Now position the cursor over the first '?' */
577 GtkTextIter selectbound;
578 GtkTextMark *cursor = gtk_text_buffer_get_insert (buffer);
579 gtk_text_buffer_get_iter_at_mark (buffer, &insert, cursor);
580 for ( i = 0 ; i < arity ; ++i )
582 gtk_text_iter_backward_cursor_position (&insert);
583 gtk_text_iter_backward_cursor_position (&insert);
585 selectbound = insert;
586 gtk_text_iter_forward_cursor_position (&selectbound);
588 gtk_text_buffer_select_range (buffer, &insert, &selectbound);
593 /* Inserts the name of the selected variable into the destination widget.
594 The destination widget must be a GtkTextView
597 insert_source_row_into_text_view (GtkTreeIter iter,
606 struct variable *var;
607 GtkTreeIter dict_iter;
608 GtkTextBuffer *buffer;
610 g_return_if_fail (GTK_IS_TEXT_VIEW (dest));
612 if ( GTK_IS_TREE_MODEL_FILTER (model))
614 dict = PSPPIRE_DICT (gtk_tree_model_filter_get_model
615 (GTK_TREE_MODEL_FILTER(model)));
617 gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER
623 dict = PSPPIRE_DICT (model);
627 path = gtk_tree_model_get_path (GTK_TREE_MODEL (dict), &dict_iter);
629 idx = gtk_tree_path_get_indices (path);
631 var = psppire_dict_get_variable (dict, *idx);
633 gtk_tree_path_free (path);
635 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (dest));
637 erase_selection (buffer);
639 gtk_text_buffer_insert_at_cursor (buffer, var_get_name (var), -1);