/* colors.c
- * Definitions for color structures and routines
+ * Routines for colors
*
- * $Id: colors.c,v 1.19 2002/01/21 07:37:41 guy Exp $
+ * $Id: colors.c,v 1.27 2003/01/08 01:59:42 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
- *
+ *
* 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.
*/
-/*
- * Updated 1 Dec 10 jjm
- */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gtk/gtk.h>
-#include <stdlib.h>
-#include <stdio.h>
#include <string.h>
-#include <errno.h>
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#include <epan/filesystem.h>
-
-#include "gtk/main.h"
-#include <epan/packet.h>
#include "colors.h"
-#include "file.h"
-#include <epan/dfilter/dfilter.h>
#include "simple_dialog.h"
-
-extern capture_file cf;
-
-static gboolean read_filters(colfilter *filter);
-
-GSList *filter_list;
+#include "gtkglobals.h"
static GdkColormap* sys_cmap;
static GdkColormap* our_cmap = NULL;
GdkColor WHITE = { 0, 65535, 65535, 65535 };
GdkColor BLACK = { 0, 0, 0, 0 };
-/* Initialize the filter structures (reading from file) */
-colfilter *
-colfilter_new(void)
+/* Initialize the colors */
+void
+colors_init(void)
{
- colfilter *filter;
gboolean got_white, got_black;
- /* Create the filter header */
- filter = (colfilter *)g_malloc(sizeof(colfilter));
- filter->num_of_filters = 0;
-
sys_cmap = gdk_colormap_get_system();
/* Allocate "constant" colors. */
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not allocate color black.");
}
-
- read_filters(filter);
- return filter;
-}
-
-/* Create a new filter */
-color_filter_t *
-new_color_filter(colfilter *filters, /* The filter list (unused) */
- gchar *name, /* The name of the filter to create */
- gchar *filter_string) /* The string representing the filter */
-{
- color_filter_t *colorf;
-
- colorf = (color_filter_t *)g_malloc(sizeof (color_filter_t));
- colorf->filter_name = g_strdup(name);
- colorf->filter_text = g_strdup(filter_string);
- colorf->bg_color = WHITE;
- colorf->fg_color = BLACK;
- colorf->c_colorfilter = NULL;
- colorf->edit_dialog = NULL;
- filter_list = g_slist_append(filter_list, colorf);
- return colorf;
-}
-
-/* delete the specified filter */
-void
-delete_color_filter(color_filter_t *colorf)
-{
- if (colorf->filter_name != NULL)
- g_free(colorf->filter_name);
- if (colorf->filter_text != NULL)
- g_free(colorf->filter_text);
- if (colorf->c_colorfilter != NULL)
- dfilter_free(colorf->c_colorfilter);
- filter_list = g_slist_remove(filter_list, colorf);
- g_free(colorf);
-}
-
-static void
-prime_edt(gpointer data, gpointer user_data)
-{
- color_filter_t *colorf = data;
- epan_dissect_t *edt = user_data;
-
- if (colorf->c_colorfilter != NULL)
- epan_dissect_prime_dfilter(edt, colorf->c_colorfilter);
-}
-
-/* Prime the epan_dissect_t with all the compiler
- * color filters in 'filter_list'. */
-void
-filter_list_prime_edt(epan_dissect_t *edt)
-{
- g_slist_foreach(filter_list, prime_edt, edt);
-}
-
-
-/* read filters from the file */
-static gboolean
-read_filters(colfilter *filter)
-{
- /* TODO: Lots more syntax checking on the file */
- /* I hate these fixed length names! TODO: make more dynamic */
- /* XXX - buffer overflow possibility here
- * sscanf blocks max size of name and filter_exp; buf is used for
- * reading only */
- gchar name[256],filter_exp[256], buf[1024];
- guint16 fg_r, fg_g, fg_b, bg_r, bg_g, bg_b;
- GdkColor fg_color, bg_color;
- color_filter_t *colorf;
- const gchar *path;
- FILE *f;
- dfilter_t *temp_dfilter;
-
- /* decide what file to open (from dfilter code) */
-
- /* should only be called by colors_init */
- if (filter == NULL)
- return FALSE;
- /* we have a clist */
-
- path = get_persconffile_path("colorfilters", FALSE);
- if ((f = fopen(path, "r")) == NULL) {
- if (errno != ENOENT) {
- simple_dialog(ESD_TYPE_CRIT, NULL,
- "Could not open filter file\n\"%s\": %s.", path,
- strerror(errno));
- }
- return FALSE;
- }
-
- do {
- if (fgets(buf,sizeof buf, f) == NULL)
- break;
-
- if (strspn(buf," \t") == (size_t)((strchr(buf,'*') - buf))) {
- /* leading # comment */
- continue;
- }
-
- /* we get the @ delimiter. It is not in any strings
- * Format is:
- * @name@filter expression@[background r,g,b][foreground r,g,b]
- */
- if (sscanf(buf," @%256[^@]@%256[^@]@[%hu,%hu,%hu][%hu,%hu,%hu]",
- name, filter_exp, &bg_r, &bg_g, &bg_b, &fg_r, &fg_g, &fg_b)
- == 8) {
- /* we got a filter */
-
- if (!dfilter_compile(filter_exp, &temp_dfilter)) {
- simple_dialog(ESD_TYPE_CRIT, NULL,
- "Could not compile color filter %s from saved filters.\n%s",
- name, dfilter_error_msg);
- continue;
- }
- if (!get_color(&fg_color)) {
- /* oops */
- simple_dialog(ESD_TYPE_CRIT, NULL,
- "Could not allocate foreground color "
- "specified in input file for %s.", name);
- dfilter_free(temp_dfilter);
- continue;
- }
- if (!get_color(&bg_color)) {
- /* oops */
- simple_dialog(ESD_TYPE_CRIT, NULL,
- "Could not allocate background color "
- "specified in input file for %s.", name);
- dfilter_free(temp_dfilter);
- continue;
- }
-
- colorf = new_color_filter(filter, name, filter_exp);
- colorf->c_colorfilter = temp_dfilter;
- filter->num_of_filters++;
- fg_color.red = fg_r;
- fg_color.green = fg_g;
- fg_color.blue = fg_b;
- bg_color.red = bg_r;
- bg_color.green = bg_g;
- bg_color.blue = bg_b;
-
- colorf->bg_color = bg_color;
- colorf->fg_color = fg_color;
- } /* if sscanf */
- } while(!feof(f));
- return TRUE;
-}
-
-static void
-write_filter(gpointer filter_arg, gpointer file_arg)
-{
- color_filter_t *colorf = filter_arg;
- FILE *f = file_arg;
-
- fprintf(f,"@%s@%s@[%d,%d,%d][%d,%d,%d]\n",
- colorf->filter_name,
- colorf->filter_text,
- colorf->bg_color.red,
- colorf->bg_color.green,
- colorf->bg_color.blue,
- colorf->fg_color.red,
- colorf->fg_color.green,
- colorf->fg_color.blue);
-}
-
-/* save filters in filter file */
-gboolean
-write_filters(colfilter *filter)
-{
- gchar *pf_dir_path;
- const gchar *path;
- FILE *f;
-
- /* Create the directory that holds personal configuration files,
- if necessary. */
- if (create_persconffile_dir(&pf_dir_path) == -1) {
- simple_dialog(ESD_TYPE_WARN, NULL,
- "Can't create directory\n\"%s\"\nfor color files: %s.",
- pf_dir_path, strerror(errno));
- g_free(pf_dir_path);
- return FALSE;
- }
-
- path = get_persconffile_path("colorfilters", TRUE);
- if ((f = fopen(path, "w+")) == NULL) {
- simple_dialog(ESD_TYPE_CRIT, NULL,
- "Could not open\n%s\nfor writing: %s.",
- path, strerror(errno));
- return FALSE;
- }
- fprintf(f,"# DO NOT EDIT THIS FILE! It was created by Ethereal\n");
- g_slist_foreach(filter_list, write_filter, f);
- fclose(f);
- return TRUE;
}
/* allocate a color from the color map */
gboolean
-get_color (GdkColor *new_color)
+get_color(GdkColor *new_color)
{
- GdkVisual *pv;
-
- if (!our_cmap) {
- if ( !gdk_colormap_alloc_color (sys_cmap, new_color, FALSE, TRUE)) {
- pv = gdk_visual_get_best();
- if ( !(our_cmap = gdk_colormap_new(pv, TRUE)))
- simple_dialog(ESD_TYPE_WARN, NULL, "Could not create new colormap");
- } else
- return (TRUE);
- }
- return ( gdk_colormap_alloc_color ( our_cmap, new_color, FALSE, TRUE) );
+ GdkVisual *pv;
+
+ if (!our_cmap) {
+ if (!gdk_colormap_alloc_color (sys_cmap, new_color, FALSE,
+ TRUE)) {
+ pv = gdk_visual_get_best();
+ if (!(our_cmap = gdk_colormap_new(pv, TRUE))) {
+ simple_dialog(ESD_TYPE_WARN, NULL,
+ "Could not create new colormap");
+ }
+ } else
+ return (TRUE);
+ }
+ return (gdk_colormap_alloc_color(our_cmap, new_color, FALSE, TRUE));
}
git.samba.org / obnox / wireshark / wip.git / blobdiff