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/*
Gpredict: Real-time satellite tracking and orbit prediction program
Copyright (C) 2001-2019 Alexandru Csete, OZ9AEC
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/
*/
#define _GNU_SOURCE
#ifdef HAVE_CONFIG_H
#include <build-config.h>
#endif
#include <ctype.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "compat.h"
#include "gpredict-utils.h"
#include "sat-log.h"
#include "strnatcmp.h"
/**
* Create a horizontal pixmap button.
*
* The text will be placed to the right of the image.
* file is only the icon name, not the full path.
*/
GtkWidget *gpredict_hpixmap_button(const gchar * file, const gchar * text,
const gchar * tooltip)
{
GtkWidget *button;
GtkWidget *image;
GtkWidget *box;
gchar *path;
path = icon_file_name(file);
image = gtk_image_new_from_file(path);
g_free(path);
box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_set_homogeneous(GTK_BOX(box), FALSE);
gtk_box_pack_start(GTK_BOX(box), image, TRUE, TRUE, 0);
if (text != NULL)
gtk_box_pack_start(GTK_BOX(box), gtk_label_new(text), TRUE, TRUE, 0);
button = gtk_button_new();
gtk_widget_set_tooltip_text(button, tooltip);
gtk_container_add(GTK_CONTAINER(button), box);
return button;
}
/**
* Create a vertical pixmap button.
*
* The text will be placed under the image.
* file is only the icon name, not the full path.
*/
GtkWidget *gpredict_vpixmap_button(const gchar * file, const gchar * text,
const gchar * tooltip)
{
GtkWidget *button;
GtkWidget *image;
GtkWidget *box;
gchar *path;
path = icon_file_name(file);
image = gtk_image_new_from_file(path);
g_free(path);
box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
gtk_box_set_homogeneous(GTK_BOX(box), FALSE);
gtk_box_pack_start(GTK_BOX(box), image, TRUE, TRUE, 0);
if (text != NULL)
gtk_box_pack_start(GTK_BOX(box), gtk_label_new(text), TRUE, TRUE, 0);
button = gtk_button_new();
gtk_widget_set_tooltip_text(button, tooltip);
gtk_container_add(GTK_CONTAINER(button), box);
return button;
}
/**
* Create a horizontal pixmap button using stock pixmap.
*
* The text will be placed to the right of the image.
* The icon size will be GTK_ICON_SIZE_BUTTON.
*/
GtkWidget *gpredict_hstock_button(const gchar * stock_id,
const gchar * text,
const gchar * tooltip)
{
GtkWidget *button;
GtkWidget *image;
GtkWidget *box;
image = gtk_image_new_from_icon_name(stock_id, GTK_ICON_SIZE_BUTTON);
box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_set_homogeneous(GTK_BOX(box), FALSE);
gtk_box_pack_start(GTK_BOX(box), image, TRUE, TRUE, 0);
if (text != NULL)
gtk_box_pack_start(GTK_BOX(box), gtk_label_new(text), TRUE, TRUE, 0);
button = gtk_button_new();
gtk_widget_set_tooltip_text(button, tooltip);
gtk_container_add(GTK_CONTAINER(button), box);
return button;
}
/**
* Create and set tooltips for GtkComboBox.
*
* @param text Pointer to the desired tooltip text.
*
* This function creates and sets the tooltips for the specified widget.
* This function is called by the \a grig_set_combo_tooltips function which
* is must be used as callback for the "realize" signal of the GtkComboBox.
*/
static void set_combo_tooltip(GtkWidget * combo, gpointer text)
{
/* if current child is a button we have BINGO! */
if (GTK_IS_BUTTON(combo))
gtk_widget_set_tooltip_text(combo, text);
}
/**
* Create and set tooltips for GtkComboBox.
*
* @param combo The GtkComboBox widget.
* @param text Pointer to the desired tooltip text.
*
* This function creates and sets the tooltips for the specified widget.
* The interface is implemented such that this function can be connected
* directly to the @a realized signal of the GtkComboBox.
*
* Actually, this function only loops over all the children of the GtkComboBox
* and calls the set_combo_tooltip internal function.
*
* @note This works only if the function is actually used as callback for the
* @a realize signal og the GtkComboBox.
*
* @note This great trick has been pointed out by Matthias Clasen, he has done the
* the same for the filter combo in the new GtkFileChooser
* ref: gtkfilechooserdefault.c:3151 in Gtk+ 2.5.5
*/
void gpredict_set_combo_tooltips(GtkWidget * combo, gpointer text)
{
/* for each child in the container call the internal
function which actually creates the tooltips.
*/
gtk_container_forall(GTK_CONTAINER(combo), set_combo_tooltip, text);
}
gint gpredict_file_copy(const gchar * in, const gchar * out)
{
gchar *contents;
gboolean status = 0;
GError *err = NULL;
gsize ulen;
gssize slen;
g_return_val_if_fail(in != NULL, 1);
g_return_val_if_fail(out != NULL, 1);
/* read source file */
if (!g_file_get_contents(in, &contents, &ulen, &err))
{
sat_log_log(SAT_LOG_LEVEL_ERROR, "%s: %s", __func__, err->message);
g_clear_error(&err);
status = 1;
}
else
{
/* write contents to new file */
slen = (gssize) ulen;
if (!g_file_set_contents(out, contents, slen, &err))
{
sat_log_log(SAT_LOG_LEVEL_ERROR, "%s: %s", __func__, err->message);
g_clear_error(&err);
status = 1;
}
g_free(contents);
}
return status;
}
/**
* Create a miniature pixmap button with no relief.
*
* Pixmapfile is only the icon name, not the full path.
*/
GtkWidget *gpredict_mini_mod_button(const gchar * pixmapfile,
const gchar * tooltip)
{
GtkWidget *button;
GtkWidget *image;
gchar *path;
path = icon_file_name(pixmapfile);
image = gtk_image_new_from_file(path);
g_free(path);
button = gtk_button_new();
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
gtk_widget_set_tooltip_text(button, tooltip);
gtk_container_add(GTK_CONTAINER(button), image);
return button;
}
/**
* Convert a BCD colour to a GdkColor structure.
*
* @param rgb The source colour in 0xRRGGBB form.
* @param color Pointer to an existing GdkColor structure.
*/
void rgb2gdk(guint rgb, GdkColor * color)
{
guint16 r, g, b;
guint tmp;
/* sanity checks */
if (color == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with color = NULL"),
__FILE__, __LINE__, __func__);
return;
}
/* red */
tmp = rgb & 0xFF0000;
r = (guint16) (tmp >> 16);
/* green */
tmp = rgb & 0x00FF00;
g = (guint16) (tmp >> 8);
/* blue */
tmp = rgb & 0x0000FF;
b = (guint16) tmp;
/* store colours */
color->red = 257 * r;
color->green = 257 * g;
color->blue = 257 * b;
}
/**
* Convert a BCD colour to a GdkColor structure.
*
* @param rgba The source colour in 0xRRGGBBAA form.
* @param color Pointer to an existing GdkColor structure.
* @param alpha Pointer to where the alpha channel value should be stored
*/
void rgba2gdk(guint rgba, GdkColor * color, guint16 * alpha)
{
guint16 r, g, b;
guint tmp;
/* sanity checks */
if (color == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with color = NULL"),
__FILE__, __LINE__, __func__);
return;
}
if (alpha == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with alpha = NULL"),
__FILE__, __LINE__, __func__);
return;
}
/* red */
tmp = rgba & 0xFF000000;
r = (guint16) (tmp >> 24);
/* green */
tmp = rgba & 0x00FF0000;
g = (guint16) (tmp >> 16);
/* blue */
tmp = rgba & 0x0000FF00;
b = (guint16) (tmp >> 8);
/* alpha channel */
*alpha = (guint16) (257 * (rgba & 0x000000FF));
/* store colours */
color->red = 257 * r;
color->green = 257 * g;
color->blue = 257 * b;
}
/**
* Convert GdkColor to BCD colour.
*
* @param color The GdkColor structure.
* @param rgb Pointer to where the 0xRRGGBB encoded colour should be stored.
*/
void gdk2rgb(const GdkColor * color, guint * rgb)
{
guint r, g, b;
guint16 tmp;
/* sanity checks */
if (color == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with color = NULL"),
__FILE__, __LINE__, __func__);
return;
}
if (rgb == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with rgb = NULL"),
__FILE__, __LINE__, __func__);
return;
}
/* red */
tmp = color->red / 257;
r = (guint) (tmp << 16);
/* green */
tmp = color->green / 257;
g = (guint) (tmp << 8);
/* blue */
tmp = color->blue / 257;
b = (guint) tmp;
*rgb = (r | g | b);
}
/**
* Convert GdkColor and alpha channel to BCD colour.
*
* @param color The GdkColor structure.
* @param alpha The value of the alpha channel.
* @param rgb Pointer to where the 0xRRGGBBAA encoded colour should be stored.
*/
void gdk2rgba(const GdkColor * color, guint16 alpha, guint * rgba)
{
guint r, g, b, a;
guint16 tmp;
/* sanity checks */
if (color == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with color = NULL"),
__FILE__, __LINE__, __func__);
return;
}
if (rgba == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s:%s: %s called with rgba = NULL"),
__FILE__, __LINE__, __func__);
return;
}
/* red */
tmp = color->red / 257;
r = (guint) (tmp << 24);
/* green */
tmp = color->green / 257;
g = (guint) (tmp << 16);
/* blue */
tmp = color->blue / 257;
b = (guint) (tmp << 8);
/* alpha */
tmp = alpha / 257;
a = (guint) tmp;
*rgba = (r | g | b | a);
}
/**
* Convert GdkColor to RRGGBB hex format (for Pango Markup).
*
* @param color The GdkColor structure.
* @return A newly allocated character string.
*/
gchar *rgba2html(guint rgba)
{
gchar *col;
guint8 r, g, b;
guint tmp;
tmp = rgba & 0xFF000000;
r = (guint8) (tmp >> 24);
/* green */
tmp = rgba & 0x00FF0000;
g = (guint8) (tmp >> 16);
/* blue */
tmp = rgba & 0x0000FF00;
b = (guint8) (tmp >> 8);
col = g_strdup_printf("%X%X%X", r, g, b);
return col;
}
/**
* String comparison function
* @param s1 first string
* @param s2 second string
*/
int gpredict_strcmp(const char *s1, const char *s2)
{
#if 0
gchar *a, *b;
int retval;
a = g_ascii_strup(s1, -1);
b = g_ascii_strup(s2, -1);
retval = strverscmp(a, b);
g_free(a);
g_free(b);
return retval;
#else
return strnatcasecmp(s1, s2);
#endif
}
/**
* Substring finding function
*
* @param s1 the larger string
* @param s2 the substring that we are searching for.
* @return pointer to the substring location
*
* this is a substitute for strcasestr which is a gnu c extension and not available everywhere.
*/
char *gpredict_strcasestr(const char *s1, const char *s2)
{
size_t s1_len = strlen(s1);
size_t s2_len = strlen(s2);
while (s1_len >= s2_len)
{
if (strncasecmp(s1, s2, s2_len) == 0)
return (char *)s1;
s1++;
s1_len--;
}
return NULL;
}
/**
* Save a GKeyFile structure to a file
*
* @param cfgdata is a pointer to the GKeyFile.
* @param filename is a pointer the filename string.
* @return 1 on error and zero on success.
*
*/
gboolean gpredict_save_key_file(GKeyFile * cfgdata, const char *filename)
{
GError *error = NULL;
if (!g_key_file_save_to_file(cfgdata, filename, &error))
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s: Error writing config data (%s)."),
__func__,
error != NULL ? error->message : "unknown error");
g_clear_error(&error);
return 1;
}
return 0;
}
/**
* Check if \c ch is an alpha-num; in range \c "[0-9a-zA-F]".
* Or \c "ch == '-'" or \c "ch == '_'".
*
* @param ch the character code to check.
* @return TRUE if okay.
*/
gboolean gpredict_legal_char(int ch)
{
if (g_ascii_isalnum(ch) || ch == '-' || ch == '_')
return (TRUE);
return (FALSE);
}
/* Convert a 0xRRGGBBAA encoded config integer to a GdkRGBA structure */
void rgba_from_cfg(guint cfg_rgba, GdkRGBA * gdk_rgba)
{
if (gdk_rgba == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s called with gdk_rgba = NULL"), __func__);
return;
}
gdk_rgba->red = ((cfg_rgba >> 24) & 0xFF) / 255.0;
gdk_rgba->green = ((cfg_rgba >> 16) & 0xFF) / 255.0;
gdk_rgba->blue = ((cfg_rgba >> 8) & 0xFF) / 255.0;
gdk_rgba->alpha = (cfg_rgba & 0xFF) / 255.0;
}
/* convert GdkRGBA struct to 0xRRGGBBAA formatted config integer */
guint rgba_to_cfg(const GdkRGBA * gdk_rgba)
{
guint cfg_int = 0;
if (gdk_rgba == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s called with gdk_rgba = NULL"), __func__);
return 0;
}
cfg_int = ((guint) (gdk_rgba->red * 255.0)) << 24;
cfg_int += ((guint) (gdk_rgba->green * 255.0)) << 16;
cfg_int += ((guint) (gdk_rgba->blue * 255.0)) << 8;
cfg_int += (guint) (gdk_rgba->alpha * 255.0);
return cfg_int;
}
/* Convert a 0xRRGGBB encoded config integer to a GdkRGBA structure (no alpha channel) */
void rgb_from_cfg(guint cfg_rgb, GdkRGBA * gdk_rgba)
{
if (gdk_rgba == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s called with gdk_rgba = NULL"), __func__);
return;
}
gdk_rgba->red = ((cfg_rgb >> 16) & 0xFF) / 255.0;
gdk_rgba->green = ((cfg_rgb >> 8) & 0xFF) / 255.0;
gdk_rgba->blue = (cfg_rgb & 0xFF) / 255.0;
gdk_rgba->alpha = 1.0;
}
/* convert GdkRGBA struct to 0xRRGGBB formatted config integer, ignoring the alpha channel */
guint rgb_to_cfg(const GdkRGBA * gdk_rgba)
{
guint cfg_int = 0;
if (gdk_rgba == NULL)
{
sat_log_log(SAT_LOG_LEVEL_ERROR,
_("%s called with gdk_rgba = NULL"), __func__);
return 0;
}
cfg_int = ((guint) (gdk_rgba->red * 255.0)) << 16;
cfg_int += ((guint) (gdk_rgba->green * 255.0)) << 8;
cfg_int += (guint) (gdk_rgba->blue * 255.0);
return cfg_int;
}
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