[Gpredict-svn] SF.net SVN: gpredict:[524] trunk/src
Real time satellite tracking and orbit prediction
Status: Beta
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[Gpredict-svn] SF.net SVN: gpredict:[524] trunk/src
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From: <cs...@us...> - 2009-11-21 16:56:54
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Revision: 524
http://gpredict.svn.sourceforge.net/gpredict/?rev=524&view=rev
Author: csete
Date: 2009-11-21 16:56:40 +0000 (Sat, 21 Nov 2009)
Log Message:
-----------
Added files contaiing utilities for the new layout engine.
Modified Paths:
--------------
trunk/src/Makefile.am
Added Paths:
-----------
trunk/src/sat-pref-layout-utils.c
trunk/src/sat-pref-layout-utils.h
Modified: trunk/src/Makefile.am
===================================================================
--- trunk/src/Makefile.am 2009-11-21 16:03:23 UTC (rev 523)
+++ trunk/src/Makefile.am 2009-11-21 16:56:40 UTC (rev 524)
@@ -89,6 +89,7 @@
sat-pref-help.c sat-pref-help.h \
sat-pref-modules.c sat-pref-modules.h \
sat-pref-layout.c sat-pref-layout.h \
+ sat-pref-layout-utils.c sat-pref-layout-utils.h \
sat-pref-refresh.c sat-pref-refresh.h \
sat-pref-map-view.c sat-pref-map-view.h \
sat-pref-list-view.c sat-pref-list-view.h \
Added: trunk/src/sat-pref-layout-utils.c
===================================================================
--- trunk/src/sat-pref-layout-utils.c (rev 0)
+++ trunk/src/sat-pref-layout-utils.c 2009-11-21 16:56:40 UTC (rev 524)
@@ -0,0 +1,111 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/*
+ Gpredict: Real-time satellite tracking and orbit prediction program
+
+ Copyright (C) 2001-2009 Alexandru Csete, OZ9AEC.
+
+ Authors: Alexandru Csete <oz...@gm...>
+
+ Comments, questions and bugreports should be submitted via
+ http://sourceforge.net/projects/gpredict/
+ More details can be found at the project home page:
+
+ http://gpredict.oz9aec.net/
+
+ 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, visit http://www.fsf.org/
+*/
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#ifdef HAVE_CONFIG_H
+# include <build-config.h>
+#endif
+#include "compat.h"
+#include "sat-log.h"
+#include "gtk-sat-module.h"
+#include "sat-pref-layout-utils.h"
+
+
+/** \brief Check the correctness of a layout string.
+ * \param layout The layout string as stored in the config files
+ * "type1;left1;right1;top1;bottom1;type2; ... "
+ * \return LAYOUT_GOOD if the layout is valid, LAYOUT_BAD if the layout is invalid.
+ *
+ * A layout is invalid if it refers to a non-existent view type or if there is something wrong
+ * with the coordinates (e.g. left > right).
+ */
+gboolean sat_pref_layout_check (const gchar *layout)
+{
+ gchar **buffv;
+ guint length, nviews;
+ gint *grid;
+ guint i;
+ gboolean error = FALSE;
+
+
+ /* split layout string into an array of strings */
+ buffv = g_strsplit (layout, ";", 0);
+ length = g_strv_length (buffv);
+
+ /* check correct number of entries */
+ if ((length == 0) || (length % 5 != 0)) {
+ error |= TRUE;
+ }
+
+ nviews = length / 5;
+ grid = g_try_new0 (gint, length);
+
+ /* convert string to array of integers */
+ for (i = 0; i < length; i++) {
+ grid[i] = (gint) g_ascii_strtoll (buffv[i], NULL, 0);
+ }
+
+ /* check each view record */
+ for (i = 0; i < nviews; i++) {
+
+ if ((grid[5*i] >= GTK_SAT_MOD_VIEW_NUM) || /* view type within range */
+ (grid[5*i+1] >= grid[5*i+2]) || /* left < right */
+ (grid[5*i+3] >= grid[5*i+4])) { /* top < bottom */
+
+ error |= TRUE;
+ }
+
+ }
+
+ g_free (grid);
+ g_strfreev (buffv);
+
+ return (error ? LAYOUT_BAD : LAYOUT_GOOD);
+}
+
+
+/** \brief Generate a preview of the specified layout.
+ * \param layout The layout string as stored in the config files
+ * "type1;left1;right1;top1;bottom1;type2; ... "
+ * \return The preview of the layout or a label if invalid
+ */
+GtkWidget *sat_pref_layout_preview (const gchar *layout)
+{
+ GtkWidget *preview;
+
+ if (sat_pref_layout_check (layout) == LAYOUT_BAD) {
+ preview = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (preview), _("<b>Invalid</b>"));
+
+ return preview;
+ }
+
+ preview = gtk_table_new (2, 2, TRUE);
+
+ return preview;
+}
Added: trunk/src/sat-pref-layout-utils.h
===================================================================
--- trunk/src/sat-pref-layout-utils.h (rev 0)
+++ trunk/src/sat-pref-layout-utils.h 2009-11-21 16:56:40 UTC (rev 524)
@@ -0,0 +1,41 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/*
+ Gpredict: Real-time satellite tracking and orbit prediction program
+
+ Copyright (C) 2001-2009 Alexandru Csete, OZ9AEC.
+
+ Authors: Alexandru Csete <oz...@gm...>
+
+ Comments, questions and bugreports should be submitted via
+ http://sourceforge.net/projects/gpredict/
+ More details can be found at the project home page:
+
+ http://gpredict.oz9aec.net/
+
+ 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, visit http://www.fsf.org/
+*/
+#ifndef SAT_PREF_LAYOUT_UTILS_H
+#define SAT_PREF_LAYOUT_UTILS_H 1
+
+
+typedef enum {
+ LAYOUT_BAD = FALSE,
+ LAYOUT_GOOD = TRUE
+} layout_e;
+
+gboolean sat_pref_layout_check (const gchar *layout);
+GtkWidget *sat_pref_layout_preview (const gchar *layout);
+
+
+#endif
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