![Sake Blok](/assets/img/avatar_default.png)
It compiles with "./configure without options" on my Mac. Let's see what the buildbots have to say about it :-) svn path=/trunk/; revision=36161
432 lines
12 KiB
C
432 lines
12 KiB
C
/* font_utils.c
|
|
* Utilities to use for font manipulation
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include <epan/packet.h>
|
|
#include <epan/prefs.h>
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#include <tchar.h>
|
|
#include <wsutil/unicode-utils.h>
|
|
#endif
|
|
|
|
#include "../simple_dialog.h"
|
|
|
|
#include "gtk/main.h"
|
|
#include "gtk/recent.h"
|
|
#include "gtk/gtkglobals.h"
|
|
#include "gtk/font_utils.h"
|
|
#include "gtk/main_proto_draw.h"
|
|
#include "gtk/follow_tcp.h"
|
|
#include "gtk/new_packet_list.h"
|
|
|
|
|
|
static PangoFontDescription *m_r_font, *m_b_font;
|
|
|
|
|
|
/* Get the regular user font.
|
|
*
|
|
* @return the regular user font
|
|
*/
|
|
PangoFontDescription *user_font_get_regular(void)
|
|
{
|
|
return m_r_font;
|
|
}
|
|
|
|
/* Get the bold user font.
|
|
*
|
|
* @return the bold user font
|
|
*/
|
|
PangoFontDescription *user_font_get_bold(void)
|
|
{
|
|
return m_b_font;
|
|
}
|
|
|
|
static void
|
|
set_fonts(PangoFontDescription *regular, PangoFontDescription *bold)
|
|
{
|
|
/* Yes, assert. The code that loads the font should check
|
|
* for NULL and provide its own error message. */
|
|
g_assert(m_r_font && m_b_font);
|
|
m_r_font = regular;
|
|
m_b_font = bold;
|
|
}
|
|
|
|
void
|
|
view_zoom_in_cb(GtkWidget *w _U_, gpointer d _U_)
|
|
{
|
|
gint save_gui_zoom_level;
|
|
|
|
save_gui_zoom_level = recent.gui_zoom_level;
|
|
recent.gui_zoom_level++;
|
|
switch (user_font_apply()) {
|
|
|
|
case FA_SUCCESS:
|
|
break;
|
|
|
|
case FA_FONT_NOT_RESIZEABLE:
|
|
/* "font_apply()" popped up an alert box. */
|
|
recent.gui_zoom_level = save_gui_zoom_level; /* undo zoom */
|
|
break;
|
|
|
|
case FA_FONT_NOT_AVAILABLE:
|
|
/* We assume this means that the specified size isn't available. */
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Your current font isn't available in the next larger size.\n");
|
|
recent.gui_zoom_level = save_gui_zoom_level; /* undo zoom */
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
view_zoom_out_cb(GtkWidget *w _U_, gpointer d _U_)
|
|
{
|
|
gint save_gui_zoom_level;
|
|
|
|
save_gui_zoom_level = recent.gui_zoom_level;
|
|
recent.gui_zoom_level--;
|
|
switch (user_font_apply()) {
|
|
|
|
case FA_SUCCESS:
|
|
break;
|
|
|
|
case FA_FONT_NOT_RESIZEABLE:
|
|
/* "font_apply()" popped up an alert box. */
|
|
recent.gui_zoom_level = save_gui_zoom_level; /* undo zoom */
|
|
break;
|
|
|
|
case FA_FONT_NOT_AVAILABLE:
|
|
/* We assume this means that the specified size isn't available. */
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Your current font isn't available in the next smaller size.\n");
|
|
recent.gui_zoom_level = save_gui_zoom_level; /* undo zoom */
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
view_zoom_100_cb(GtkWidget *w _U_, gpointer d _U_)
|
|
{
|
|
gint save_gui_zoom_level;
|
|
|
|
save_gui_zoom_level = recent.gui_zoom_level;
|
|
recent.gui_zoom_level = 0;
|
|
switch (user_font_apply()) {
|
|
|
|
case FA_SUCCESS:
|
|
break;
|
|
|
|
case FA_FONT_NOT_RESIZEABLE:
|
|
/* "font_apply()" popped up an alert box. */
|
|
recent.gui_zoom_level = save_gui_zoom_level; /* undo zoom */
|
|
break;
|
|
|
|
case FA_FONT_NOT_AVAILABLE:
|
|
/* We assume this means that the specified size isn't available.
|
|
XXX - this "shouldn't happen". */
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Your current font couldn't be reloaded at the size you selected.\n");
|
|
recent.gui_zoom_level = save_gui_zoom_level; /* undo zoom */
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
user_font_test(gchar *font_name)
|
|
{
|
|
PangoFontDescription *new_r_font, *new_b_font;
|
|
|
|
new_r_font = pango_font_description_from_string(font_name);
|
|
if (new_r_font == NULL) {
|
|
/* Oops, that font didn't work.
|
|
Tell the user, but don't tear down the font selection
|
|
dialog, so that they can try again. */
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"The font you selected can't be loaded.");
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
new_b_font = pango_font_description_copy(new_r_font);
|
|
pango_font_description_set_weight(new_b_font, PANGO_WEIGHT_BOLD);
|
|
if (new_b_font == NULL) {
|
|
/* Oops, that font didn't work.
|
|
Tell the user, but don't tear down the font selection
|
|
dialog, so that they can try again. */
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"The font you selected doesn't have a boldface version.");
|
|
|
|
pango_font_description_free(new_r_font);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
|
|
/* Given a font name, construct the name of a version of that font with
|
|
the current zoom factor applied. */
|
|
static char *
|
|
font_zoom(char *gui_font_name)
|
|
{
|
|
char *new_font_name;
|
|
char *font_name_dup;
|
|
char *font_name_p;
|
|
long font_point_size_l;
|
|
|
|
if (recent.gui_zoom_level == 0) {
|
|
/* There is no zoom factor - just return the name, so that if
|
|
this is GTK+ 1.2[.x] and the font name isn't an XLFD font
|
|
name, we don't fail. */
|
|
return g_strdup(gui_font_name);
|
|
}
|
|
|
|
font_name_dup = g_strdup(gui_font_name);
|
|
|
|
/* find the start of the font_size string */
|
|
font_name_p = strrchr(font_name_dup, ' ');
|
|
*font_name_p = '\0';
|
|
font_name_p++;
|
|
|
|
/* calculate the new font size */
|
|
font_point_size_l = strtol(font_name_p, NULL, 10);
|
|
font_point_size_l += recent.gui_zoom_level;
|
|
|
|
/* build a new font name */
|
|
new_font_name = g_strdup_printf("%s %ld", font_name_dup, font_point_size_l);
|
|
|
|
g_free(font_name_dup);
|
|
|
|
return new_font_name;
|
|
}
|
|
|
|
fa_ret_t
|
|
user_font_apply(void) {
|
|
char *gui_font_name;
|
|
PangoFontDescription *new_r_font, *new_b_font;
|
|
PangoFontDescription *old_r_font = NULL, *old_b_font = NULL;
|
|
|
|
/* convert font name to reflect the zoom level */
|
|
gui_font_name = font_zoom(prefs.gui_font_name);
|
|
if (gui_font_name == NULL) {
|
|
/*
|
|
* This means the font name isn't an XLFD font name.
|
|
* We just report that for now as a font not available in
|
|
* multiple sizes.
|
|
*/
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Your current font isn't available in any other sizes.\n");
|
|
return FA_FONT_NOT_RESIZEABLE;
|
|
}
|
|
|
|
/* load normal and bold font */
|
|
new_r_font = pango_font_description_from_string(gui_font_name);
|
|
new_b_font = pango_font_description_copy(new_r_font);
|
|
pango_font_description_set_weight(new_b_font, PANGO_WEIGHT_BOLD);
|
|
|
|
if (new_r_font == NULL || new_b_font == NULL) {
|
|
/* We're no longer using the new fonts; unreference them. */
|
|
if (new_r_font != NULL)
|
|
pango_font_description_free(new_r_font);
|
|
if (new_b_font != NULL)
|
|
pango_font_description_free(new_b_font);
|
|
g_free(gui_font_name);
|
|
|
|
/* We let our caller pop up a dialog box, as the error message
|
|
depends on the context (did they zoom in or out, or did they
|
|
do something else? */
|
|
return FA_FONT_NOT_AVAILABLE;
|
|
}
|
|
|
|
/* the font(s) seem to be ok */
|
|
new_packet_list_set_font(new_r_font);
|
|
set_ptree_font_all(new_r_font);
|
|
old_r_font = m_r_font;
|
|
old_b_font = m_b_font;
|
|
set_fonts(new_r_font, new_b_font);
|
|
|
|
/* Redraw the packet bytes windows. */
|
|
redraw_packet_bytes_all();
|
|
|
|
/* Redraw the "Follow TCP Stream" windows. */
|
|
follow_tcp_redraw_all();
|
|
|
|
/* We're no longer using the old fonts; unreference them. */
|
|
if (old_r_font != NULL)
|
|
pango_font_description_free(old_r_font);
|
|
if (old_b_font != NULL)
|
|
pango_font_description_free(old_b_font);
|
|
g_free(gui_font_name);
|
|
|
|
return FA_SUCCESS;
|
|
}
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
#define NAME_BUFFER_LEN 32
|
|
|
|
static char appfontname[128] = "tahoma 8";
|
|
|
|
static void
|
|
set_app_font_gtk2(const char *fontname)
|
|
{
|
|
GtkSettings *settings;
|
|
|
|
if (fontname != NULL && *fontname == 0) return;
|
|
|
|
settings = gtk_settings_get_default();
|
|
|
|
if (fontname == NULL) {
|
|
g_object_set(G_OBJECT(settings), "gtk-font-name", appfontname, NULL);
|
|
} else {
|
|
GtkWidget *w;
|
|
PangoFontDescription *pfd;
|
|
PangoContext *pc;
|
|
PangoFont *pfont;
|
|
|
|
w = gtk_label_new(NULL);
|
|
pfd = pango_font_description_from_string(fontname);
|
|
pc = gtk_widget_get_pango_context(w);
|
|
pfont = pango_context_load_font(pc, pfd);
|
|
|
|
if (pfont != NULL) {
|
|
g_strlcpy(appfontname, fontname, 128);
|
|
appfontname[127] = '\0';
|
|
g_object_set(G_OBJECT(settings), "gtk-font-name", appfontname, NULL);
|
|
}
|
|
|
|
gtk_widget_destroy(w);
|
|
pango_font_description_free(pfd);
|
|
}
|
|
}
|
|
|
|
static char *default_windows_menu_fontspec_gtk2(void)
|
|
{
|
|
gchar *fontspec = NULL;
|
|
NONCLIENTMETRICS ncm;
|
|
|
|
memset(&ncm, 0, sizeof ncm);
|
|
ncm.cbSize = sizeof ncm;
|
|
|
|
if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0)) {
|
|
HDC screen = GetDC(0);
|
|
double y_scale = 72.0 / GetDeviceCaps(screen, LOGPIXELSY);
|
|
int point_size = (int) (ncm.lfMenuFont.lfHeight * y_scale);
|
|
|
|
if (point_size < 0) point_size = -point_size;
|
|
fontspec = g_strdup_printf("%s %d", ncm.lfMenuFont.lfFaceName,
|
|
point_size);
|
|
ReleaseDC(0, screen);
|
|
}
|
|
|
|
return fontspec;
|
|
}
|
|
|
|
static void try_to_get_windows_font_gtk2(void)
|
|
{
|
|
gchar *fontspec;
|
|
|
|
fontspec = default_windows_menu_fontspec_gtk2();
|
|
|
|
if (fontspec != NULL) {
|
|
int match = 0;
|
|
PangoFontDescription *pfd;
|
|
PangoFont *pfont;
|
|
PangoContext *pc;
|
|
GtkWidget *w;
|
|
|
|
pfd = pango_font_description_from_string(fontspec);
|
|
|
|
w = gtk_label_new(NULL);
|
|
pc = gtk_widget_get_pango_context(w);
|
|
pfont = pango_context_load_font(pc, pfd);
|
|
match = (pfont != NULL);
|
|
|
|
pango_font_description_free(pfd);
|
|
g_object_unref(G_OBJECT(pc));
|
|
gtk_widget_destroy(w);
|
|
|
|
if (match) set_app_font_gtk2(fontspec);
|
|
g_free(fontspec);
|
|
}
|
|
}
|
|
#endif /* _WIN32 */
|
|
|
|
|
|
void font_init(void)
|
|
{
|
|
#ifdef _WIN32
|
|
/* try to load the application font for GTK2 */
|
|
try_to_get_windows_font_gtk2();
|
|
#endif
|
|
|
|
/* Try to load the regular and boldface fixed-width fonts */
|
|
m_r_font = pango_font_description_from_string(prefs.gui_font_name);
|
|
m_b_font = pango_font_description_copy(m_r_font);
|
|
pango_font_description_set_weight(m_b_font, PANGO_WEIGHT_BOLD);
|
|
if (m_r_font == NULL || m_b_font == NULL) {
|
|
/* XXX - pop this up as a dialog box? no */
|
|
if (m_r_font == NULL) {
|
|
fprintf(stderr, "wireshark: Warning: font %s not found - defaulting to Monospace 9\n",
|
|
prefs.gui_font_name);
|
|
} else {
|
|
pango_font_description_free(m_r_font);
|
|
}
|
|
if (m_b_font == NULL) {
|
|
fprintf(stderr, "wireshark: Warning: bold font %s not found - defaulting"
|
|
" to Monospace 9\n", prefs.gui_font_name);
|
|
} else {
|
|
pango_font_description_free(m_b_font);
|
|
}
|
|
if ((m_r_font = pango_font_description_from_string("Monospace 9")) == NULL)
|
|
{
|
|
fprintf(stderr, "wireshark: Error: font Monospace 9 not found\n");
|
|
exit(1);
|
|
}
|
|
if ((m_b_font = pango_font_description_copy(m_r_font)) == NULL) {
|
|
fprintf(stderr, "wireshark: Error: font Monospace 9 bold not found\n");
|
|
exit(1);
|
|
}
|
|
g_free(prefs.gui_font_name);
|
|
pango_font_description_set_weight(m_b_font, PANGO_WEIGHT_BOLD);
|
|
prefs.gui_font_name = g_strdup("Monospace 9");
|
|
}
|
|
|
|
/* Call this for the side-effects that set_fonts() produces */
|
|
set_fonts(m_r_font, m_b_font);
|
|
}
|