+++ /dev/null
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
-
-/*
- * (GLABELS) Label and Business Card Creation program for GNOME
- *
- * util.c: various small utility functions
- *
- * Copyright (C) 2001 Jim Evins <evins@snaught.com>.
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <config.h>
-
-#include "util.h"
-
-#include <string.h>
-#include <glib.h>
-#include <math.h>
-#include <gtk/gtkliststore.h>
-#include <gtk/gtkcellrenderertext.h>
-#include <gtk/gtkcelllayout.h>
-#include <libglabels/str.h>
-
-#define FRAC_EPSILON 0.00005
-
-\f
-/****************************************************************************/
-/* Append ".glabels" extension to filename if needed. */
-/****************************************************************************/
-gchar *
-gl_util_add_extension (const gchar *orig_filename)
-{
- gchar *new_filename, *extension;
-
- extension = strrchr (orig_filename, '.');
- if (extension == NULL) {
- new_filename = g_strconcat (orig_filename, ".glabels", NULL);
- } else {
- if (g_strcasecmp (extension, ".glabels") != 0) {
- new_filename =
- g_strconcat (orig_filename, ".glabels", NULL);
- } else {
- new_filename = g_strdup (orig_filename);
- }
- }
-
- return new_filename;
-}
-
-/****************************************************************************/
-/* Remove ".glabels" extension from filename if needed. */
-/****************************************************************************/
-gchar *
-gl_util_remove_extension (const gchar *orig_filename)
-{
- gchar *new_filename, *extension;
-
- new_filename = g_strdup (orig_filename);
-
- extension = strrchr (new_filename, '.');
- if (extension != NULL) {
- if (g_strcasecmp (extension, ".glabels") == 0) {
- *extension = 0; /* truncate string, rm extension */
- }
- }
-
- return new_filename;
-}
-
-/****************************************************************************/
-/* Make sure we have an absolute path to filename. */
-/****************************************************************************/
-gchar *
-gl_util_make_absolute (const gchar *filename)
-{
- gchar *pwd, *absolute_filename;
-
- if (g_path_is_absolute (filename)) {
- absolute_filename = g_strdup (filename);
- } else {
- pwd = g_get_current_dir ();
- absolute_filename = g_build_filename (pwd, filename, NULL);
- g_free (pwd);
- }
-
- return absolute_filename;
-}
-
-/****************************************************************************/
-/* Create fractional representation of number, if possible. */
-/****************************************************************************/
-gchar *
-gl_util_fraction (gdouble x)
-{
- static gdouble denom[] = { 1., 2., 3., 4., 8., 16., 32., 0. };
- gint i;
- gdouble product, remainder;
- gint n, d;
-
- for ( i=0; denom[i] != 0.0; i++ ) {
- product = x * denom[i];
- remainder = fabs(product - ((gint)(product+0.5)));
- if ( remainder < FRAC_EPSILON ) break;
- }
-
- if ( denom[i] == 0.0 ) {
- /* None of our denominators work. */
- return g_strdup_printf ("%.5g", x);
- }
- if ( denom[i] == 1.0 ) {
- /* Simple integer. */
- return g_strdup_printf ("%d", (gint)x);
- }
- n = (gint)( x * denom[i] + 0.5 );
- d = (gint)denom[i];
- if ( n > d ) {
- return g_strdup_printf ("%d_%d/%d", (n/d), (n%d), d);
- } else {
- return g_strdup_printf ("%d/%d", (n%d), d);
- }
-}
-
-/****************************************************************************/
-/* Utilities to deal with PangoAlignment types. */
-/****************************************************************************/
-const gchar *
-gl_util_align_to_string (PangoAlignment align)
-{
- switch (align) {
- case PANGO_ALIGN_LEFT:
- return "Left";
- case PANGO_ALIGN_CENTER:
- return "Center";
- case PANGO_ALIGN_RIGHT:
- return "Right";
- default:
- return "?";
- }
-}
-
-PangoAlignment
-gl_util_string_to_align (const gchar *string)
-{
-
- if (g_strcasecmp (string, "Left") == 0) {
- return PANGO_ALIGN_LEFT;
- } else if (g_strcasecmp (string, "Center") == 0) {
- return PANGO_ALIGN_CENTER;
- } else if (g_strcasecmp (string, "Right") == 0) {
- return PANGO_ALIGN_RIGHT;
- } else {
- return PANGO_ALIGN_LEFT;
- }
-
-}
-
-/****************************************************************************/
-/* Utilities to deal with PangoWeight types */
-/****************************************************************************/
-const gchar *
-gl_util_weight_to_string (PangoWeight weight)
-{
- switch (weight) {
- case PANGO_WEIGHT_NORMAL:
- return "Regular";
- case PANGO_WEIGHT_BOLD:
- return "Bold";
- default:
- return "?";
- }
-}
-
-PangoWeight
-gl_util_string_to_weight (const gchar *string)
-{
-
- if (g_strcasecmp (string, "Regular") == 0) {
- return PANGO_WEIGHT_NORMAL;
- } else if (g_strcasecmp (string, "Bold") == 0) {
- return PANGO_WEIGHT_BOLD;
- } else {
- return PANGO_WEIGHT_NORMAL;
- }
-
-}
-
-/****************************************************************************/
-/* Convienience function to set strings in a text combo_box from a GList */
-/****************************************************************************/
-void
-gl_util_combo_box_set_strings (GtkComboBox *combo,
- GList *list)
-{
- GtkTreeModel *model;
- GList *p;
-
- g_return_if_fail (list);
-
- model = gtk_combo_box_get_model(combo);
- gtk_list_store_clear (GTK_LIST_STORE (model));
-
- for (p=list; p!=NULL; p=p->next) {
- if (p->data) {
- gtk_combo_box_append_text (combo, p->data);
- }
- }
-}
-
-/*---------------------------------------------------------------------------*/
-/* PRIVATE. gl_util_combo_box_set_active_text support. */
-/*---------------------------------------------------------------------------*/
-
-typedef struct {
- const gchar *text;
- GtkTreeIter iter;
- gboolean found;
-} TextSearchData;
-
-static gboolean
-search_text_func (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer data)
-{
- TextSearchData *search_data = (TextSearchData *)data;
- gchar *text = NULL;
-
- gtk_tree_model_get (model, iter, 0, &text, -1);
-
- if (strcmp (text,search_data->text) == 0) {
- search_data->found = TRUE;
- search_data->iter = *iter;
- }
-
- g_free (text);
-
- return FALSE;
-}
-
-/****************************************************************************/
-/* Convienience function to set active text in a text combo_box from text */
-/****************************************************************************/
-void
-gl_util_combo_box_set_active_text (GtkComboBox *combo,
- const gchar *text)
-{
- GtkTreeModel *model = gtk_combo_box_get_model(combo);
-
- g_return_if_fail (GTK_IS_LIST_STORE (model));
-
- if (!text) {
-
- gtk_combo_box_set_active (combo, -1);
-
- } else {
- TextSearchData search_data;
-
- search_data.text = text;
- search_data.found = FALSE;
-
- gtk_tree_model_foreach (model, search_text_func, &search_data);
- if (search_data.found) {
- gtk_combo_box_set_active_iter (combo,
- &search_data.iter);
- } else {
- gtk_combo_box_set_active (combo, -1);
- }
-
- }
-
-}
-
-/****************************************************************************/
-/* Convienience function to add a simple text model to an existing */
-/* combo_box. This is needed since combo_boxes created with glade do not */
-/* use the gtk_combo_box_new_text() constructor. */
-/****************************************************************************/
-void
-gl_util_combo_box_add_text_model (GtkComboBox *combo)
-{
- GtkCellRenderer *cell;
- GtkListStore *store;
-
- store = gtk_list_store_new (1, G_TYPE_STRING);
- gtk_combo_box_set_model (combo, GTK_TREE_MODEL (store));
- g_object_unref (store);
-
- cell = gtk_cell_renderer_text_new ();
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
- gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), cell,
- "text", 0,
- NULL);
-}
-
-
-/****************************************************************************/
-/* Get list of available font families. */
-/****************************************************************************/
-GList *
-gl_util_get_font_family_list (void)
-{
- static GList *list = NULL;
- PangoFontMap *fontmap;
- PangoContext *context;
- PangoFontFamily **families;
- gint n;
- gint i;
- gchar *name;
-
- if ( !list )
- {
- fontmap = pango_cairo_font_map_new ();
- context = pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP (fontmap));
-
- pango_context_list_families (context, &families, &n);
-
- for ( i=0; i<n; i++ )
- {
- name = g_strdup (pango_font_family_get_name (families[i]));
- list = g_list_insert_sorted (list, name,
- (GCompareFunc)lgl_str_utf8_casecmp);
- }
-
- g_free (families);
-
- g_object_unref (context);
- g_object_unref (fontmap);
- }
-
- return list;
-}
-
projects / glabels / blobdiff