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=b3d83da270472ea6b62cf3d2ea1405d82870b727;hpb=a19b858e0ac3c69e4a28c0ca6d8674427268a863;p=pspp diff --git a/src/ui/gui/helper.c b/src/ui/gui/helper.c index b3d83da270..9b40c08ab5 100644 --- a/src/ui/gui/helper.c +++ b/src/ui/gui/helper.c @@ -1,74 +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 #include +#include +#include +#include #include +#include "psppire-syntax-window.h" +#include +#include #include #include +#include +#include + +#include "psppire-data-store.h" + +#include "gl/configmake.h" +#include "xalloc.h" + +#include + +/* 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). -/* Formats a value according to FORMAT - The returned string must be freed when no longer required */ + 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); - if ( ! data_out(s, &format, &v) ) + 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. + + 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) +{ + int width = fmt_var_width (format); + + if (format->type != FMT_A) { - g_warning("Can't format missing discrete value \n"); + if (! text) return NULL; + + { + const gchar *s = text; + while (*s) + { + if (!isspace (*s)) + break; + s++; + } + + if (!*s) return NULL; + } } - s[format.w]='\0'; - g_strchug(s); - return s; + value_init (val, width); + char *err = data_in (ss_cstr (text), UTF8, format->type, + settings_get_fmt_settings (), val, width, encoding); + + if (err) + { + value_destroy (val, width); + val = NULL; + free (err); + } + + return val; } +#define _(msgid) gettext (msgid) +#define N_(msgid) msgid -gboolean -text_to_value(const gchar *text, union value *v, - struct fmt_spec format) +/* Create a deep copy of SRC */ +GtkListStore * +clone_list_store (const GtkListStore *src) { - struct data_in di; + 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 ( format.type != FMT_A) + 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)) { - if ( ! text ) return FALSE; - - const gchar *s = text; - while(*s) + GtkTreeIter dest_iter; + gtk_list_store_append (dest, &dest_iter); + + for (i = 0 ; i < n_cols; ++i) { - if ( !isspace(*s)) - break; - s++; + 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); } - - if ( !*s) return FALSE; } - di.s = text; - di.e = text + strlen(text); - di.v = v; - di.flags = DI_IGNORE_ERROR; - di.f1 = di.f2 = 0; - di.format = format; - - return data_in(&di); + g_free (types); + return dest; } -GtkWidget * -get_widget_assert(GladeXML *xml, const gchar *name) + + +static gboolean +on_delete (GtkWindow *window, GdkEvent *e, GtkWindow **addr) { - g_assert(xml); - g_assert(name); - GtkWidget * w = glade_xml_get_widget(xml, name); + *addr = NULL; + + return FALSE; +} + +char * +paste_syntax_to_window (gchar *syntax) +{ + static GtkWidget *the_syntax_pasteboard = NULL; + + GtkTextBuffer *buffer = NULL; + + if (NULL == the_syntax_pasteboard) + { + the_syntax_pasteboard = psppire_syntax_window_new (NULL); + g_signal_connect (the_syntax_pasteboard, "delete-event", G_CALLBACK (on_delete), + &the_syntax_pasteboard); + } + + buffer = GTK_TEXT_BUFFER (PSPPIRE_SYNTAX_WINDOW (the_syntax_pasteboard)->buffer); + + 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); + + gtk_widget_show (the_syntax_pasteboard); + + 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); - if ( !w ) - g_warning("Widget \"%s\" could not be found\n",name); + g_object_unref (G_OBJECT (layout)); + g_object_unref (G_OBJECT (context)); - return w; + return rect.width / (gdouble) PANGO_SCALE; }