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dialogs.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2004 The ScummVM project
 *
 * 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.
 *
 * $Header: /cvsroot/scummvm/scummvm/scumm/dialogs.cpp,v 1.119 2004/12/08 00:03:08 fingolfin Exp $
 */

#include "stdafx.h"

#include "common/config-manager.h"

#include "gui/chooser.h"
#include "gui/newgui.h"
#include "gui/ListWidget.h"

#include "scumm/dialogs.h"
#include "scumm/sound.h"
#include "scumm/scumm.h"
#include "scumm/imuse.h"
#include "scumm/imuse_digi/dimuse.h"
#include "scumm/player_v2.h"
#include "scumm/verbs.h"
#include "sound/mididrv.h"
#include "sound/mixer.h"

#ifndef DISABLE_HELP
#include "scumm/help.h"
#endif

#ifdef _WIN32_WCE
#include "backends/wince/CEKeysDialog.h"
#endif

using GUI::CommandSender;
using GUI::StaticTextWidget;
using GUI::kButtonWidth;
using GUI::kCloseCmd;
using GUI::kTextAlignCenter;
using GUI::kTextAlignLeft;
using GUI::WIDGET_ENABLED;

typedef GUI::OptionsDialog GUI_OptionsDialog;
typedef GUI::ChooserDialog GUI_ChooserDialog;

namespace Scumm {

struct ResString {
      int num;
      char string[80];
};

#ifdef __PALM_OS__
static ResString *string_map_table_v7;
static ResString *string_map_table_v6;
static ResString *string_map_table_v5;
#else
static ResString string_map_table_v7[] = {
      {96, "game name and version"}, //that's how it's supposed to be
      {77, "Select a game to LOAD"},
      {76, "Name your SAVE game"},
      {70, "save"}, //boot8
      {71, "load"}, //boot9
      {72, "play"}, //boot10
      {73, "cancel"}, //boot11
      {74, "quit"}, //boot12
      {75, "ok"}, //boot13
      {85, "game paused"}, // boot3
      {96, "the dig v1.0"},

      /* this is the almost complete string map for v7
      {63, "how may I serve you?"},
      {64, "the dig v1.0"}, //(game name/version)
      {67, "text display only"},
      {68, "c:\\dig"}, //boot007 (save path ?)
      {69, "the dig"}, //boot21 (game name)
      {70, "save"}, //boot8
      {71, "load"}, //boot9
      {72, "play"}, //boot10
      {73, "cancel"}, //boot11
      {74, "quit"}, //boot12
      {75, "ok"}, //boot13
      {76, "name your save game"}, //boot19
      {77, "select a game to load"}, //boot20
      {78, "you must enter a name"},//boot14
      {79, "saving '%s'"}, //boot17
      {80, "loading '%s'"}, //boot18
      {81, "the game was NOT saved"}, //boot15
      {82, "the game was NOT loaded"}, //boot16
      {83, "how may I serve you?"},
      {84, "how may I serve you?"},
      {85, "game paused"}, // boot3
      {86, "Are you sure you want to restart"},
      {87, "Are you sure you want to quit?"}, //boot05
      {89, "how may I serve you?"},
      {90, "music"}, //boot22
      {91, "voice"}, //boot23
      {92, "sfx"}, //boot24
      {93, "disabled"}, //boot25
      {94, "text speed"}, //boot26
      {95, "text display"}, //boot27
      {96, "the dig v1.0"},*/
      
};

static ResString string_map_table_v6[] = {
      {117, "How may I serve you?"}, 
      {109, "Select a game to LOAD"}, 
      {108, "Name your SAVE game"}, 
      {96, "Save"}, 
      {97, "Load"}, 
      {98, "Play"}, 
      {99, "Cancel"}, 
      {100, "Quit"}, 
      {101, "OK"}, 
      {93, "Game paused"}, 
      {210, "Game version"}
};

static ResString string_map_table_v5[] = {
      {28, "How may I serve you?"}, 
      {20, "Select a game to LOAD"},
      {19, "Name your SAVE game"},
      {7, "Save"},
      {8, "Load"},
      {9, "Play"},
      {10, "Cancel"},
      {11, "Quit"},
      {12, "OK"},
      {4, "Game paused"}
};
#endif

#pragma mark -


const Common::String ScummDialog::queryResString(int stringno) {
      byte buf[256];
      byte *result;

      if (stringno == 0)
            return String();

      if (_vm->_version >= 7)
            result = _vm->getStringAddressVar(string_map_table_v7[stringno - 1].num);
      else if (_vm->_version == 6)
            result = _vm->getStringAddressVar(string_map_table_v6[stringno - 1].num);
      else if (_vm->_version == 5)
            result = _vm->getStringAddress(string_map_table_v5[stringno - 1].num);
      else
            // TODO: For V8 games, maybe grab the strings from the language file?
            return string_map_table_v5[stringno - 1].string;

      if (result && *result == '/') {
            _vm->translateText(result, buf);
            result = buf;
      }

      if (!result || *result == '\0') {   // Gracelessly degrade to english :)
            return string_map_table_v5[stringno - 1].string;
      }

      // Convert to a proper string (take care of FF codes)
      byte chr;
      String tmp;
      while ((chr = *result++)) {         
            if (chr == 0xFF) {
                  result += 3;
            } else if (chr != '@') {
                  tmp += chr;
            }
      }
      return tmp;
}

#pragma mark -

enum {
      kSaveCmd = 'SAVE',
      kLoadCmd = 'LOAD',
      kPlayCmd = 'PLAY',
      kOptionsCmd = 'OPTN',
      kHelpCmd = 'HELP',
      kAboutCmd = 'ABOU',
      kQuitCmd = 'QUIT'
};

class SaveLoadChooser : public GUI::ChooserDialog {
      typedef Common::String String;
      typedef Common::StringList StringList;
protected:
      bool _saveMode;

public:
      SaveLoadChooser(const String &title, const String &buttonLabel, bool saveMode);
      
      virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
      const String &getResultString() const;
};

SaveLoadChooser::SaveLoadChooser(const String &title, const String &buttonLabel, bool saveMode)
      : GUI::ChooserDialog(title, buttonLabel, 182), _saveMode(saveMode) {

      _list->setEditable(saveMode);
      _list->setNumberingMode(saveMode ? GUI::kListNumberingOne : GUI::kListNumberingZero);
}

const Common::String &SaveLoadChooser::getResultString() const {
      return _list->getSelectedString();
}

void SaveLoadChooser::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
      int selItem = _list->getSelected();
      switch (cmd) {
      case GUI::kListItemActivatedCmd:
      case GUI::kListItemDoubleClickedCmd:
            if (selItem >= 0) {
                  if (_saveMode || !getResultString().isEmpty()) {
                        setResult(selItem);
                        close();
                  }
            }
            break;
      case GUI::kListSelectionChangedCmd:
            if (_saveMode) {
                  _list->startEditMode();
            }
            // Disable button if nothing is selected, or (in load mode) if an empty
            // list item is selected. We allow choosing an empty item in save mode
            // because we then just assign a default name.
            _chooseButton->setEnabled(selItem >= 0 && (_saveMode || !getResultString().isEmpty()));
            _chooseButton->draw();
            break;
      default:
            GUI_ChooserDialog::handleCommand(sender, cmd, data);
      }
}

Common::StringList generateSavegameList(ScummEngine *scumm, bool saveMode) {
      // Get savegame names
      Common::StringList l;
      char name[32];
      uint i = saveMode ? 1 : 0;
      bool avail_saves[81];

      scumm->listSavegames(avail_saves, ARRAYSIZE(avail_saves));
      for (; i < ARRAYSIZE(avail_saves); i++) {
            if (avail_saves[i])
                  scumm->getSavegameName(i, name);
            else
                  name[0] = 0;
            l.push_back(name);
      }

      return l;
}

enum {
      kRowHeight = 18,
      kBigButtonWidth = 90,
      kMainMenuWidth    = (kBigButtonWidth + 2 * 8),
      kMainMenuHeight   = 7 * kRowHeight + 3 * 5 + 7 + 5
};

#define addBigButton(label, cmd, hotkey) \
      new GUI::ButtonWidget(this, x, y, kBigButtonWidth, 16, label, cmd, hotkey); y += kRowHeight

MainMenuDialog::MainMenuDialog(ScummEngine *scumm)
      : ScummDialog(scumm, (320 - kMainMenuWidth) / 2, (200 - kMainMenuHeight)/2, kMainMenuWidth, kMainMenuHeight) {
      int y = 7;

      const int x = (_w - kBigButtonWidth) / 2;
      addBigButton("Resume", kPlayCmd, 'P');
      y += 5;

      addBigButton("Load", kLoadCmd, 'L');
      addBigButton("Save", kSaveCmd, 'S');
      y += 5;

      addBigButton("Options", kOptionsCmd, 'O');
#ifndef DISABLE_HELP
      addBigButton("Help", kHelpCmd, 'H');
#endif
      addBigButton("About", kAboutCmd, 'A');
      y += 5;

      addBigButton("Quit", kQuitCmd, 'Q');

      //
      // Create the sub dialog(s)
      //
      _aboutDialog = new GUI::AboutDialog();
#ifndef DISABLE_HELP
      _helpDialog = new HelpDialog(scumm);
#endif
      _saveDialog = new SaveLoadChooser("Save game:", "Save", true);
      _loadDialog = new SaveLoadChooser("Load game:", "Load", false);
}

MainMenuDialog::~MainMenuDialog() {
      delete _aboutDialog;
#ifndef DISABLE_HELP
      delete _helpDialog;
#endif
      delete _saveDialog;
      delete _loadDialog;
}

void MainMenuDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
      switch (cmd) {
      case kSaveCmd:
            save();
            break;
      case kLoadCmd:
            load();
            break;
      case kPlayCmd:
            close();
            break;
      case kOptionsCmd:
            _vm->optionsDialog();
            break;
      case kAboutCmd:
            _aboutDialog->runModal();
            break;
#ifndef DISABLE_HELP
      case kHelpCmd:
            _helpDialog->runModal();
            break;
#endif
      case kQuitCmd:
            _vm->_quit = true;
            close();
            break;
      default:
            ScummDialog::handleCommand(sender, cmd, data);
      }
}

void MainMenuDialog::save() {
      int idx;
      _saveDialog->setList(generateSavegameList(_vm, true));
      g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, true);
      idx = _saveDialog->runModal();
      g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
      if (idx >= 0) {
            const String &result = _saveDialog->getResultString();
            char buffer[20];
            const char *str;
            if (result.isEmpty()) {
                  // If the user was lazy and entered no save name, come up with a default name.
                  sprintf(buffer, "Save %d", idx + 1);
                  str = buffer;
            } else
                  str = result.c_str();
            _vm->requestSave(idx + 1, str);
            close();
      }
}

void MainMenuDialog::load() {
      int idx;
      _loadDialog->setList(generateSavegameList(_vm, false));
      idx = _loadDialog->runModal();
      if (idx >= 0) {
            _vm->requestLoad(idx);
            close();
      }
}

#pragma mark -

enum {
      kOKCmd                              = 'ok  '
};

enum {
      kKeysCmd = 'KEYS'
};

#ifndef _WIN32_WCE
ConfigDialog::ConfigDialog(ScummEngine *scumm)
      : GUI::OptionsDialog("", 40, 30, 240, 124), _vm(scumm) {
#else
ConfigDialog::ConfigDialog(ScummEngine *scumm)
      : GUI::OptionsDialog("", 40, 30, 240, 124 + 4), _vm(scumm) {
#endif
      //
      // Add the buttons
      //
#ifdef _WIN32_WCE
      addButton(_w - kButtonWidth - 8, _h - 24 - 4, "OK", GUI::OptionsDialog::kOKCmd, 'O');
      addButton(_w - 2 * kButtonWidth - 12, _h - 24 - 4, "Cancel", kCloseCmd, 'C');
      addButton(_w - 3 * kButtonWidth - 16, _h - 24 - 4, "Keys", kKeysCmd, 'K');
#else
      addButton(_w - kButtonWidth-8, _h - 24, "OK", GUI::OptionsDialog::kOKCmd, 'O');
      addButton(_w - 2 * kButtonWidth-12, _h - 24, "Cancel", kCloseCmd, 'C');
#endif

      //
      // Sound controllers
      //
      int yoffset = 8;
      yoffset = addVolumeControls(this, yoffset);

      //
      // Some misc options
      //
      subtitlesCheckbox = new GUI::CheckboxWidget(this, 15, 78, 200, 16, "Show subtitles", 0, 'S');

      //
      // Create the sub dialog(s)
      //
#ifdef _WIN32_WCE
      _keysDialog = new CEKeysDialog();
#endif
}

ConfigDialog::~ConfigDialog() {
#ifdef _WIN32_WCE
      delete _keysDialog;
#endif
}

void ConfigDialog::open() {
      GUI_OptionsDialog::open();

      // update checkboxes, too
      subtitlesCheckbox->setState(ConfMan.getBool("subtitles"));
}

void ConfigDialog::close() {
      
      if (getResult()) {
            // Subtitles
            ConfMan.set("subtitles", subtitlesCheckbox->getState(), _domain);
            // Sync with current setting
            if (_vm->_version >= 7)
                  _vm->VAR(_vm->VAR_VOICE_MODE) = subtitlesCheckbox->getState();
      }

      GUI_OptionsDialog::close();
      
      _vm->setupVolumes();
}


void ConfigDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
      switch (cmd) {
      case kKeysCmd:
#ifdef _WIN32_WCE
            _keysDialog->runModal();
#endif
            break;
      default:
            GUI_OptionsDialog::handleCommand (sender, cmd, data);
      }
}

#ifndef DISABLE_HELP

#pragma mark -

enum {
      kNextCmd = 'NEXT',
      kPrevCmd = 'PREV'
};

HelpDialog::HelpDialog(ScummEngine *scumm)
      : ScummDialog(scumm, 5, 5, 310, 190) {

      _page = 1;
      _numPages = ScummHelp::numPages(scumm->_gameId);

      _prevButton = addButton(10, 170, "Previous", kPrevCmd, 'P');
      _nextButton = addButton(90, 170, "Next", kNextCmd, 'N');
      addButton(210, 170, "Close", kCloseCmd, 'C');
      _prevButton->clearFlags(WIDGET_ENABLED);

      _title = new StaticTextWidget(this, 10, 5, 290, 16, "", kTextAlignCenter);
      for (int i = 0; i < HELP_NUM_LINES; i++) {
            _key[i] = new StaticTextWidget(this, 10, 18 + (10 * i), 80, 16, "", kTextAlignLeft);
            _dsc[i] = new StaticTextWidget(this, 90, 18 + (10 * i), 210, 16, "", kTextAlignLeft);
      }

      displayKeyBindings();
}

void HelpDialog::displayKeyBindings() {

      String titleStr, *keyStr, *dscStr;

      ScummHelp::updateStrings(_vm->_gameId, _vm->_version, _page, titleStr, keyStr, dscStr);

      _title->setLabel(titleStr);
      for (int i = 0; i < HELP_NUM_LINES; i++) {
            _key[i]->setLabel(keyStr[i]);
            _dsc[i]->setLabel(dscStr[i]);
      }

      delete [] keyStr;
      delete [] dscStr;
}

void HelpDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {

      switch (cmd) {
      case kNextCmd:
            _page++;
            if (_page >= _numPages) {
                  _nextButton->clearFlags(WIDGET_ENABLED);
            }
            if (_page >= 2) {
                  _prevButton->setFlags(WIDGET_ENABLED);
            }
            displayKeyBindings();
            draw();
            break;
      case kPrevCmd:
            _page--;
            if (_page <= _numPages) {
                  _nextButton->setFlags(WIDGET_ENABLED);
            }
            if (_page <= 1) {
                  _prevButton->clearFlags(WIDGET_ENABLED);
            }
            displayKeyBindings();
            draw();
            break;
      default:
            ScummDialog::handleCommand(sender, cmd, data);
      }
}

#endif

#pragma mark -

InfoDialog::InfoDialog(ScummEngine *scumm, int res)
: ScummDialog(scumm, 0, 80, 0, 16) { // dummy x and w
      setInfoText(queryResString (res));
}

InfoDialog::InfoDialog(ScummEngine *scumm, const String& message)
: ScummDialog(scumm, 0, 80, 0, 16) { // dummy x and w
      setInfoText(message);
}

void InfoDialog::setInfoText(const String& message) {
      int width = g_gui.getStringWidth(message) + 16;

      _x = (_vm->_screenWidth - width) >> 1;
      _w = width;

      new StaticTextWidget(this, 4, 4, _w - 8, _h, message, kTextAlignCenter);
}

#pragma mark -

PauseDialog::PauseDialog(ScummEngine *scumm, int res)
      : InfoDialog(scumm, res) {
}

void PauseDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers) {
      if (ascii == ' ')  // Close pause dialog if space key is pressed
            close();
      else
            ScummDialog::handleKeyDown(ascii, keycode, modifiers);
}

ConfirmDialog::ConfirmDialog(ScummEngine *scumm, const String& message)
      : InfoDialog(scumm, message) {
}

void ConfirmDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers) {
      if (tolower(ascii) == 'n') {
            setResult(0);
            close();
      } else if (tolower(ascii) == 'y') {
            setResult(1);
            close();
      } else
            ScummDialog::handleKeyDown(ascii, keycode, modifiers);
}

} // End of namespace Scumm

#ifdef __PALM_OS__
#include "scumm_globals.h"

_GINIT(Dialogs)
_GSETPTR(Scumm::string_map_table_v7, GBVARS_STRINGMAPTABLEV7_INDEX, Scumm::ResString, GBVARS_SCUMM)
_GSETPTR(Scumm::string_map_table_v6, GBVARS_STRINGMAPTABLEV6_INDEX, Scumm::ResString, GBVARS_SCUMM)
_GSETPTR(Scumm::string_map_table_v5, GBVARS_STRINGMAPTABLEV5_INDEX, Scumm::ResString, GBVARS_SCUMM)
_GEND

_GRELEASE(Dialogs)
_GRELEASEPTR(GBVARS_STRINGMAPTABLEV7_INDEX, GBVARS_SCUMM)
_GRELEASEPTR(GBVARS_STRINGMAPTABLEV6_INDEX, GBVARS_SCUMM)
_GRELEASEPTR(GBVARS_STRINGMAPTABLEV5_INDEX, GBVARS_SCUMM)
_GEND

#endif

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