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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2024 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include <string.h>
#include "log.h"
#include "cmd_queue.h"
#include "cmd_preferences.h"
#include "brl_cmds.h"
#include "prefs.h"
#include "menu.h"
#include "menu_prefs.h"
#include "scr_special.h"
#include "scr_menu.h"
#include "message.h"
#include "alert.h"
#include "core.h"
typedef struct {
PreferenceSettings savedPreferences;
} PreferencesCommandData;
static int
save (void) {
int saved = savePreferences();
if (saved) {
alert(ALERT_COMMAND_DONE);
} else {
message(NULL, gettext("not saved"), 0);
}
return saved;
}
static int
handlePreferencesCommands (int command, void *data) {
static const char modeString_preferences[] = "prf";
PreferencesCommandData *pcd = data;
switch (command & BRL_MSK_CMD) {
case BRL_CMD_PREFMENU: {
int ok = 0;
if (isSpecialScreen(SCR_MENU)) {
if (prefs.saveOnExit) save();
deactivateSpecialScreen(SCR_MENU);
ok = 1;
} else if (activateSpecialScreen(SCR_MENU)) {
updateLogMessagesSubmenu();
updateSessionAttributes();
pcd->savedPreferences = prefs;
ok = 1;
}
if (ok) {
infoMode = 0;
} else {
alert(ALERT_COMMAND_REJECTED);
}
break;
}
case BRL_CMD_PREFSAVE:
if (isSpecialScreen(SCR_MENU)) {
save();
deactivateSpecialScreen(SCR_MENU);
} else if (!save()) {
alert(ALERT_COMMAND_REJECTED);
}
break;
case BRL_CMD_PREFLOAD:
if (isSpecialScreen(SCR_MENU)) {
setPreferences(&pcd->savedPreferences);
menuScreenUpdated();
message(modeString_preferences, gettext("changes discarded"), 0);
} else if (loadPreferences(0)) {
menuScreenUpdated();
alert(ALERT_COMMAND_DONE);
} else {
alert(ALERT_COMMAND_REJECTED);
}
break;
case BRL_CMD_PREFRESET:
if (loadPreferences(1)) {
menuScreenUpdated();
alert(ALERT_COMMAND_DONE);
} else {
alert(ALERT_COMMAND_REJECTED);
}
break;
default: {
int arg = command & BRL_MSK_ARG;
switch (command & BRL_MSK_BLK) {
{
MenuItem *item;
case BRL_CMD_BLK(SET_TEXT_TABLE):
item = getPreferencesMenuItem_textTable();
goto doSetMenuItem;
case BRL_CMD_BLK(SET_ATTRIBUTES_TABLE):
item = getPreferencesMenuItem_attributesTable();
goto doSetMenuItem;
case BRL_CMD_BLK(SET_CONTRACTION_TABLE):
item = getPreferencesMenuItem_contractionTable();
goto doSetMenuItem;
case BRL_CMD_BLK(SET_KEYBOARD_TABLE):
item = getPreferencesMenuItem_keyboardTable();
goto doSetMenuItem;
case BRL_CMD_BLK(SET_LANGUAGE_PROFILE):
item = getPreferencesMenuItem_languageProfile();
goto doSetMenuItem;
doSetMenuItem:
if (item) {
unsigned int count = brl.textColumns;
if (count <= arg) count = arg + 1;
changeMenuItem(item);
if (changeMenuSettingScaled(getMenuItemMenu(item), arg, count)) {
break;
}
}
alert(ALERT_COMMAND_REJECTED);
break;
}
default:
return 0;
}
break;
}
}
return 1;
}
static void
destroyPreferencesCommandData (void *data) {
PreferencesCommandData *pcd = data;
free(pcd);
}
int
addPreferencesCommands (void) {
PreferencesCommandData *pcd;
if ((pcd = malloc(sizeof(*pcd)))) {
memset(pcd, 0, sizeof(*pcd));
if (pushCommandHandler("preferences", KTB_CTX_DEFAULT,
handlePreferencesCommands, destroyPreferencesCommandData, pcd)) {
return 1;
}
free(pcd);
} else {
logMallocError();
}
return 0;
}
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