X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fhelper.c;h=9cbd6f0f2a9d9bf6991da032358d344e25d505a6;hb=c65449a628d13f4683e7dc7125874608c7152017;hp=d60a01ac12fce9092228675a20bedcce8fd837b1;hpb=338fb2a2e84df6427a2fdee6769421f57d5666d8;p=pspp-builds.git diff --git a/src/ui/gui/helper.c b/src/ui/gui/helper.c index d60a01ac..9cbd6f0f 100644 --- a/src/ui/gui/helper.c +++ b/src/ui/gui/helper.c @@ -1,58 +1,97 @@ +/* PSPPIRE - a graphical user interface for PSPP. + Copyright (C) 2007 Free Software Foundation + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + + +/* This file is a rubbish bin where stuff gets put when it doesn't seem to + belong anywhere else. +*/ #include +#include + +#include #include "helper.h" +#include "message-dialog.h" #include #include +#include +#include #include #include #include #include +#include #include -/* Formats a value according to FORMAT +#include +#include +#include +#include +#include "psppire-data-store.h" +#include +#include "output-viewer.h" + +#include "xalloc.h" + +#include + +/* Formats a value according to FORMAT The returned string must be freed when no longer required */ gchar * -value_to_text(union value v, struct fmt_spec format) +value_to_text (union value v, struct fmt_spec format) { gchar *s = 0; - s = g_new(gchar, format.w + 1); - data_out(&v, &format, s); + s = g_new (gchar, format.w + 1); + data_out (&v, &format, s); s[format.w]='\0'; - g_strchug(s); + g_strchug (s); return s; } -gboolean -text_to_value(const gchar *text, union value *v, +gboolean +text_to_value (const gchar *text, union value *v, struct fmt_spec format) { bool ok; - if ( format.type != FMT_A) + if ( format.type != FMT_A) { if ( ! text ) return FALSE; { const gchar *s = text; - while(*s) + while (*s) { - if ( !isspace(*s)) + if ( !isspace (*s)) break; s++; } - + if ( !*s) return FALSE; } } msg_disable (); - ok = data_in (ss_cstr (text), format.type, 0, 0, + ok = data_in (ss_cstr (text), LEGACY_NATIVE, format.type, 0, 0, v, fmt_var_width (&format)); msg_enable (); @@ -61,24 +100,243 @@ text_to_value(const gchar *text, union value *v, GtkWidget * -get_widget_assert(GladeXML *xml, const gchar *name) +get_widget_assert (GladeXML *xml, const gchar *name) { GtkWidget *w; - g_assert(xml); - g_assert(name); - - w = glade_xml_get_widget(xml, name); + g_assert (xml); + g_assert (name); + + w = glade_xml_get_widget (xml, name); - if ( !w ) - g_warning("Widget \"%s\" could not be found\n", name); + if ( !w ) + g_critical ("Widget \"%s\" could not be found\n", name); return w; } -/* Converts a string in the pspp locale to utf-8 */ -char * -pspp_locale_to_utf8(const gchar *text, gssize len, GError **err) +/* Converts a string in the pspp locale to utf-8. + The return value must be freed when no longer required*/ +gchar * +pspp_locale_to_utf8 (const gchar *text, gssize len, GError **err) +{ + return recode_string (CONV_PSPP_TO_UTF8, text, len); +} + +#define _(msgid) gettext (msgid) +#define N_(msgid) msgid + + +static void +give_help (void) +{ + static struct msg m = { + MSG_GENERAL, + MSG_NOTE, + {0, -1}, + 0, + }; + + if (! m.text) + m.text=g_strdup (_("Sorry. The help system hasn't yet been implemented.")); + + popup_message (&m); +} + +void +connect_help (GladeXML *xml) +{ + GList *helps = glade_xml_get_widget_prefix (xml, "help_button_"); + + GList *i; + for ( i = g_list_first (helps); i ; i = g_list_next (i)) + g_signal_connect (GTK_WIDGET (i->data), "clicked", give_help, 0); +} + + + +void +reference_manual (GtkMenuItem *menu, gpointer data) +{ + GError *err = NULL; + if ( ! g_spawn_command_line_async ("yelp info:pspp", &err) ) + { + msg (ME, _("Cannot open reference manual: %s"), err->message); + } + g_clear_error (&err); +} + + +extern struct dataset *the_dataset; +extern struct source_stream *the_source_stream; +extern PsppireDataStore *the_data_store; + +/* Lazy casereader callback function used by execute_syntax. */ +static struct casereader * +create_casereader_from_data_store (void *data_store_) +{ + PsppireDataStore *data_store = data_store_; + return psppire_data_store_get_reader (data_store); +} + +gboolean +execute_syntax (struct getl_interface *sss) +{ + struct lexer *lexer; + gboolean retval = TRUE; + + struct casereader *reader; + size_t value_cnt; + casenumber case_cnt; + unsigned long int lazy_serial; + + /* When the user executes a number of snippets of syntax in a + row, none of which read from the active file, the GUI becomes + progressively less responsive. The reason is that each syntax + execution encapsulates the active file data in another + datasheet layer. The cumulative effect of having a number of + layers of datasheets wastes time and space. + + To solve the problem, we use a "lazy casereader", a wrapper + around the casereader obtained from the data store, that + only actually instantiates that casereader when it is + needed. If the data store casereader is never needed, then + it is reused the next time syntax is run, without wrapping + it in another layer. */ + value_cnt = psppire_data_store_get_value_count (the_data_store); + case_cnt = psppire_data_store_get_case_count (the_data_store); + reader = lazy_casereader_create (value_cnt, case_cnt, + create_casereader_from_data_store, + the_data_store, &lazy_serial); + proc_set_active_file_data (the_dataset, reader); + + g_return_val_if_fail (proc_has_active_file (the_dataset), FALSE); + + lexer = lex_create (the_source_stream); + + getl_append_source (the_source_stream, sss, GETL_BATCH, ERRMODE_CONTINUE); + + for (;;) + { + enum cmd_result result = cmd_parse (lexer, the_dataset); + + if ( cmd_result_is_failure (result)) + { + retval = FALSE; + if ( source_stream_current_error_mode (the_source_stream) + == ERRMODE_STOP ) + break; + } + + if ( result == CMD_EOF || result == CMD_FINISH) + break; + } + + getl_abort_noninteractive (the_source_stream); + + lex_destroy (lexer); + + psppire_dict_replace_dictionary (the_data_store->dict, + dataset_dict (the_dataset)); + + reader = proc_extract_active_file_data (the_dataset); + if (!lazy_casereader_destroy (reader, lazy_serial)) + psppire_data_store_set_case_file (the_data_store, + psppire_case_file_new (reader)); + + som_flush (); + + reload_the_viewer (); + + return retval; +} + + + +#ifdef G_ENABLE_DEBUG +# define g_marshal_value_peek_int(v) g_value_get_int (v) +#else +# define g_marshal_value_peek_int(v) (v)->data[0].v_int +#endif + + +/* VOID:INT,INT,INT */ +void +marshaller_VOID__INT_INT_INT (GClosure *closure, + GValue *return_value, + guint n_param_values, + const GValue *param_values, + gpointer invocation_hint, + gpointer marshal_data) +{ + typedef void (*GMarshalFunc_VOID__INT_INT_INT) (gpointer data1, + gint arg_1, + gint arg_2, + gint arg_3, + gpointer data2); + register GMarshalFunc_VOID__INT_INT_INT callback; + register GCClosure *cc = (GCClosure*) closure; + register gpointer data1, data2; + + g_return_if_fail (n_param_values == 4); + + if (G_CCLOSURE_SWAP_DATA (closure)) + { + data1 = closure->data; + data2 = g_value_peek_pointer (param_values + 0); + } + else + { + data1 = g_value_peek_pointer (param_values + 0); + data2 = closure->data; + } + callback = (GMarshalFunc_VOID__INT_INT_INT) (marshal_data ? marshal_data : cc->callback); + + callback (data1, + g_marshal_value_peek_int (param_values + 1), + g_marshal_value_peek_int (param_values + 2), + g_marshal_value_peek_int (param_values + 3), + data2); +} + +/* Create a deep copy of SRC */ +GtkListStore * +clone_list_store (const GtkListStore *src) { - return recode_string(CONV_PSPP_TO_UTF8, text, len); + GtkTreeIter src_iter; + gboolean ok; + gint i; + const gint n_cols = gtk_tree_model_get_n_columns (GTK_TREE_MODEL (src)); + GType *types = g_malloc (sizeof (*types) * n_cols); + + int row = 0; + GtkListStore *dest; + + for (i = 0 ; i < n_cols; ++i ) + types[i] = gtk_tree_model_get_column_type (GTK_TREE_MODEL (src), i); + + dest = gtk_list_store_newv (n_cols, types); + + for (ok = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (src), + &src_iter); + ok; + ok = gtk_tree_model_iter_next (GTK_TREE_MODEL (src), &src_iter)) + { + GtkTreeIter dest_iter; + gtk_list_store_append (dest, &dest_iter); + + for (i = 0 ; i < n_cols; ++i ) + { + GValue val = {0}; + + gtk_tree_model_get_value (GTK_TREE_MODEL (src), &src_iter, i, &val); + gtk_list_store_set_value (dest, &dest_iter, i, &val); + + g_value_unset (&val); + } + row++; + } + + return dest; } +