X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fhelper.c;h=9b40c08ab5b741f819f416c81d7a34f66a2a849e;hb=e7913c62251710319b06c50702c5db9afb612be5;hp=bd6e2198f4efc7ca276dc2b04cc79645e4338534;hpb=a10cebe053263d7e936b6533a3dbf5ac2f0586a1;p=pspp diff --git a/src/ui/gui/helper.c b/src/ui/gui/helper.c index bd6e2198f4..9b40c08ab5 100644 --- a/src/ui/gui/helper.c +++ b/src/ui/gui/helper.c @@ -1,186 +1,252 @@ +/* PSPPIRE - a graphical user interface for PSPP. + Copyright (C) 2007, 2009, 2010, 2011, 2012, 2013 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 "psppire-syntax-window.h" +#include #include #include #include +#include #include -#include -#include -#include #include "psppire-data-store.h" +#include "gl/configmake.h" +#include "xalloc.h" #include -/* Formats a value according to FORMAT - The returned string must be freed when no longer required */ +/* Formats a value according to VAR's print format and strips white space + appropriately for VAR's type. That is, if VAR is numeric, strips leading + white space (because numbers are right-justified within their fields), and + if VAR is string, strips trailing white space (because spaces pad out string + values on the right). + + Returns an allocated string. The returned string must be freed when no + longer required. */ +gchar * +value_to_text (union value v, const struct variable *var) +{ + return value_to_text__ (v, var_get_print_format (var), + var_get_encoding (var)); +} + +/* Formats a value with format FORMAT and strips white space appropriately for + FORMATs' type. That is, if FORMAT is numeric, strips leading white space + (because numbers are right-justified within their fields), and if FORMAT is + string, strips trailing white space (because spaces pad out string values on + the right). + + Returns an allocated string. 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, + const struct fmt_spec *format, const char *encoding) { - gchar *s = 0; + gchar *s; - s = g_new (gchar, format.w + 1); - data_out (&v, &format, s); - s[format.w]='\0'; - g_strchug (s); + s = data_out_stretchy (&v, encoding, format, settings_get_fmt_settings (), + NULL); + if (fmt_is_numeric (format->type)) + g_strchug (s); + else + g_strchomp (s); return s; } +/* Converts TEXT to a value. + VAL will be initialised and filled by this function. + It is the caller's responsibility to destroy VAL when no longer needed. + VAR must be the variable with which VAL is associated. -gboolean -text_to_value (const gchar *text, union value *v, - struct fmt_spec format) + On success, VAL is returned, NULL otherwise. +*/ +union value * +text_to_value (const gchar *text, + const struct variable *var, + union value *val) +{ + return text_to_value__ (text, var_get_print_format (var), + var_get_encoding (var), val); +} + +/* Converts TEXT, which contains a value in the given FORMAT encoding in + ENCODING, into a value. + + VAL will be initialised and filled by this function. + It is the caller's responsibility to destroy VAL when no longer needed. + + On success, VAL is returned, NULL otherwise. +*/ +union value * +text_to_value__ (const gchar *text, + const struct fmt_spec *format, + const gchar *encoding, + union value *val) { - bool ok; + int width = fmt_var_width (format); - if ( format.type != FMT_A) + if (format->type != FMT_A) { - if ( ! text ) return FALSE; + if (! text) return NULL; { const gchar *s = text; while (*s) { - if ( !isspace (*s)) + if (!isspace (*s)) break; s++; } - if ( !*s) return FALSE; + if (!*s) return NULL; } } - msg_disable (); - ok = data_in (ss_cstr (text), format.type, 0, 0, - v, fmt_var_width (&format)); - msg_enable (); - - return ok; -} - - -GtkWidget * -get_widget_assert (GladeXML *xml, const gchar *name) -{ - GtkWidget *w; - g_assert (xml); - g_assert (name); - - w = glade_xml_get_widget (xml, name); + value_init (val, width); + char *err = data_in (ss_cstr (text), UTF8, format->type, + settings_get_fmt_settings (), val, width, encoding); - if ( !w ) - g_warning ("Widget \"%s\" could not be found\n", name); + if (err) + { + value_destroy (val, width); + val = NULL; + free (err); + } - return w; + return val; } -/* 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) +/* Create a deep copy of SRC */ +GtkListStore * +clone_list_store (const GtkListStore *src) { - static struct msg m = { - MSG_GENERAL, - MSG_NOTE, - {0, -1}, - 0, - }; + 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); - if (! m.text) - m.text=g_strdup (_("Sorry. The help system hasn't yet been implemented.")); + GtkListStore *dest; - popup_message (&m); -} + for (i = 0 ; i < n_cols; ++i) + types[i] = gtk_tree_model_get_column_type (GTK_TREE_MODEL (src), i); -void -connect_help (GladeXML *xml) -{ - GList *helps = glade_xml_get_widget_prefix (xml, "help_button_"); + dest = gtk_list_store_newv (n_cols, types); - 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); -} + 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); -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_value_unset (&val); + } } - g_clear_error (&err); + + g_free (types); + + return dest; } -extern struct dataset *the_dataset; -extern struct source_stream *the_source_stream; -extern PsppireDataStore *the_data_store; -gboolean -execute_syntax (struct getl_interface *sss) + +static gboolean +on_delete (GtkWindow *window, GdkEvent *e, GtkWindow **addr) { - struct lexer *lexer; + *addr = NULL; - g_return_val_if_fail (proc_has_source (the_dataset), FALSE); + return FALSE; +} - lexer = lex_create (the_source_stream); +char * +paste_syntax_to_window (gchar *syntax) +{ + static GtkWidget *the_syntax_pasteboard = NULL; - getl_append_source (the_source_stream, sss); + GtkTextBuffer *buffer = NULL; - for (;;) + if (NULL == the_syntax_pasteboard) { - int result = cmd_parse (lexer, the_dataset); - - if (result == CMD_EOF || result == CMD_FINISH) - break; + the_syntax_pasteboard = psppire_syntax_window_new (NULL); + g_signal_connect (the_syntax_pasteboard, "delete-event", G_CALLBACK (on_delete), + &the_syntax_pasteboard); } - getl_abort_noninteractive (the_source_stream); + buffer = GTK_TEXT_BUFFER (PSPPIRE_SYNTAX_WINDOW (the_syntax_pasteboard)->buffer); - lex_destroy (lexer); + gtk_text_buffer_begin_user_action (buffer); + gtk_text_buffer_insert_at_cursor (buffer, syntax, -1); + gtk_text_buffer_insert_at_cursor (buffer, "\n", 1); + gtk_text_buffer_end_user_action (buffer); - /* The GUI must *always* have a data source, even if it's an empty one. - Therefore, we find that there is none, (for example NEW FILE was the last - item in the syntax) then we create a new one. */ - if ( ! proc_has_source (the_dataset)) - proc_set_source (the_dataset, - storage_source_create (the_data_store->case_file->flexifile) - ); + gtk_widget_show (the_syntax_pasteboard); - /* GUI syntax needs this implicit EXECUTE command at the end of - every script. Otherwise commands like GET could leave the GUI without - a casefile. */ - return procedure (the_dataset, NULL, NULL); + return syntax; } +/* Return the width of an upper case M (in pixels) when rendered onto + WIDGET with its current style. */ +gdouble +width_of_m (GtkWidget *widget) +{ + PangoContext *context = gtk_widget_create_pango_context (widget); + PangoLayout *layout = pango_layout_new (context); + PangoRectangle rect; + + pango_layout_set_text (layout, "M", 1); + pango_layout_get_extents (layout, NULL, &rect); + + g_object_unref (G_OBJECT (layout)); + g_object_unref (G_OBJECT (context)); + + return rect.width / (gdouble) PANGO_SCALE; +} +