1 files changed, 380 insertions, 0 deletions
diff --git a/gui/saveload-dialog.cpp b/gui/saveload-dialog.cpp
new file mode 100644
index 0000000000..b8e64c4d99
--- /dev/null
+++ b/gui/saveload-dialog.cpp
@@ -0,0 +1,380 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "gui/saveload-dialog.h"
+#include "common/translation.h"
+
+#include "gui/message.h"
+#include "gui/gui-manager.h"
+#include "gui/ThemeEval.h"
+
+#include "graphics/scaler.h"
+
+namespace GUI {
+
+SaveLoadChooserDialog::SaveLoadChooserDialog(const Common::String &dialogName)
+	: Dialog(dialogName), _metaEngine(0), _delSupport(false), _metaInfoSupport(false),
+	_thumbnailSupport(false), _saveDateSupport(false), _playTimeSupport(false) {
+}
+
+SaveLoadChooserDialog::SaveLoadChooserDialog(int x, int y, int w, int h)
+	: Dialog(x, y, w, h), _metaEngine(0), _delSupport(false), _metaInfoSupport(false),
+	_thumbnailSupport(false), _saveDateSupport(false), _playTimeSupport(false) {
+}
+
+void SaveLoadChooserDialog::open() {
+	Dialog::open();
+
+	// So that quitting ScummVM will not cause the dialog result to say a
+	// savegame was selected.
+	setResult(-1);
+}
+
+int SaveLoadChooserDialog::run(const Common::String &target, const MetaEngine *metaEngine) {
+	_metaEngine = metaEngine;
+	_target = target;
+	_delSupport = _metaEngine->hasFeature(MetaEngine::kSupportsDeleteSave);
+	_metaInfoSupport = _metaEngine->hasFeature(MetaEngine::kSavesSupportMetaInfo);
+	_thumbnailSupport = _metaInfoSupport && _metaEngine->hasFeature(MetaEngine::kSavesSupportThumbnail);
+	_saveDateSupport = _metaInfoSupport && _metaEngine->hasFeature(MetaEngine::kSavesSupportCreationDate);
+	_playTimeSupport = _metaInfoSupport && _metaEngine->hasFeature(MetaEngine::kSavesSupportPlayTime);
+
+	return runIntern();
+}
+
+// SaveLoadChooserSimple implementation
+
+enum {
+	kChooseCmd = 'CHOS',
+	kDelCmd = 'DEL '
+};
+
+SaveLoadChooserSimple::SaveLoadChooserSimple(const String &title, const String &buttonLabel, bool saveMode)
+	: SaveLoadChooserDialog("SaveLoadChooser"), _list(0), _chooseButton(0), _deleteButton(0), _gfxWidget(0)  {
+	_backgroundType = ThemeEngine::kDialogBackgroundSpecial;
+
+	new StaticTextWidget(this, "SaveLoadChooser.Title", title);
+
+	// Add choice list
+	_list = new GUI::ListWidget(this, "SaveLoadChooser.List");
+	_list->setNumberingMode(GUI::kListNumberingZero);
+	_list->setEditable(saveMode);
+
+	_gfxWidget = new GUI::GraphicsWidget(this, 0, 0, 10, 10);
+
+	_date = new StaticTextWidget(this, 0, 0, 10, 10, _("No date saved"), Graphics::kTextAlignCenter);
+	_time = new StaticTextWidget(this, 0, 0, 10, 10, _("No time saved"), Graphics::kTextAlignCenter);
+	_playtime = new StaticTextWidget(this, 0, 0, 10, 10, _("No playtime saved"), Graphics::kTextAlignCenter);
+
+	// Buttons
+	new GUI::ButtonWidget(this, "SaveLoadChooser.Cancel", _("Cancel"), 0, kCloseCmd);
+	_chooseButton = new GUI::ButtonWidget(this, "SaveLoadChooser.Choose", buttonLabel, 0, kChooseCmd);
+	_chooseButton->setEnabled(false);
+
+	_deleteButton = new GUI::ButtonWidget(this, "SaveLoadChooser.Delete", _("Delete"), 0, kDelCmd);
+	_deleteButton->setEnabled(false);
+
+	_delSupport = _metaInfoSupport = _thumbnailSupport = false;
+
+	_container = new GUI::ContainerWidget(this, 0, 0, 10, 10);
+//	_container->setHints(GUI::THEME_HINT_USE_SHADOW);
+}
+
+int SaveLoadChooserSimple::runIntern() {
+	if (_gfxWidget)
+		_gfxWidget->setGfx(0);
+
+	_resultString.clear();
+	reflowLayout();
+	updateSaveList();
+
+	return Dialog::runModal();
+}
+
+const Common::String &SaveLoadChooserSimple::getResultString() const {
+	int selItem = _list->getSelected();
+	return (selItem >= 0) ? _list->getSelectedString() : _resultString;
+}
+
+void SaveLoadChooserSimple::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
+	int selItem = _list->getSelected();
+
+	switch (cmd) {
+	case GUI::kListItemActivatedCmd:
+	case GUI::kListItemDoubleClickedCmd:
+		if (selItem >= 0 && _chooseButton->isEnabled()) {
+			if (_list->isEditable() || !_list->getSelectedString().empty()) {
+				_list->endEditMode();
+				if (!_saveList.empty()) {
+					setResult(_saveList[selItem].getSaveSlot());
+					_resultString = _list->getSelectedString();
+				}
+				close();
+			}
+		}
+		break;
+	case kChooseCmd:
+		_list->endEditMode();
+		if (!_saveList.empty()) {
+			setResult(_saveList[selItem].getSaveSlot());
+			_resultString = _list->getSelectedString();
+		}
+		close();
+		break;
+	case GUI::kListSelectionChangedCmd:
+		updateSelection(true);
+		break;
+	case kDelCmd:
+		if (selItem >= 0 && _delSupport) {
+			MessageDialog alert(_("Do you really want to delete this savegame?"),
+								_("Delete"), _("Cancel"));
+			if (alert.runModal() == GUI::kMessageOK) {
+				_metaEngine->removeSaveState(_target.c_str(), _saveList[selItem].getSaveSlot());
+
+				setResult(-1);
+				_list->setSelected(-1);
+
+				updateSaveList();
+				updateSelection(true);
+			}
+		}
+		break;
+	case kCloseCmd:
+		setResult(-1);
+	default:
+		SaveLoadChooserDialog::handleCommand(sender, cmd, data);
+	}
+}
+
+void SaveLoadChooserSimple::reflowLayout() {
+	if (g_gui.xmlEval()->getVar("Globals.SaveLoadChooser.ExtInfo.Visible") == 1 && _thumbnailSupport) {
+		int16 x, y;
+		uint16 w, h;
+
+		if (!g_gui.xmlEval()->getWidgetData("SaveLoadChooser.Thumbnail", x, y, w, h))
+			error("Error when loading position data for Save/Load Thumbnails");
+
+		int thumbW = kThumbnailWidth;
+		int thumbH = kThumbnailHeight2;
+		int thumbX = x + (w >> 1) - (thumbW >> 1);
+		int thumbY = y + kLineHeight;
+
+		int textLines = 0;
+		if (!_saveDateSupport)
+			textLines++;
+		if (!_playTimeSupport)
+			textLines++;
+
+		_container->resize(x, y, w, h - (kLineHeight * textLines));
+		_gfxWidget->resize(thumbX, thumbY, thumbW, thumbH);
+
+		int height = thumbY + thumbH + kLineHeight;
+
+		if (_saveDateSupport) {
+			_date->resize(thumbX, height, kThumbnailWidth, kLineHeight);
+			height += kLineHeight;
+			_time->resize(thumbX, height, kThumbnailWidth, kLineHeight);
+			height += kLineHeight;
+		}
+
+		if (_playTimeSupport)
+			_playtime->resize(thumbX, height, kThumbnailWidth, kLineHeight);
+
+		_container->setVisible(true);
+		_gfxWidget->setVisible(true);
+
+		_date->setVisible(_saveDateSupport);
+		_time->setVisible(_saveDateSupport);
+
+		_playtime->setVisible(_playTimeSupport);
+
+		_fillR = 0;
+		_fillG = 0;
+		_fillB = 0;
+		updateSelection(false);
+	} else {
+		_container->setVisible(false);
+		_gfxWidget->setVisible(false);
+		_date->setVisible(false);
+		_time->setVisible(false);
+		_playtime->setVisible(false);
+	}
+
+	SaveLoadChooserDialog::reflowLayout();
+}
+
+void SaveLoadChooserSimple::updateSelection(bool redraw) {
+	int selItem = _list->getSelected();
+
+	bool isDeletable = _delSupport;
+	bool isWriteProtected = false;
+	bool startEditMode = _list->isEditable();
+
+	_gfxWidget->setGfx(-1, -1, _fillR, _fillG, _fillB);
+	_date->setLabel(_("No date saved"));
+	_time->setLabel(_("No time saved"));
+	_playtime->setLabel(_("No playtime saved"));
+
+	if (selItem >= 0 && _metaInfoSupport) {
+		SaveStateDescriptor desc = _metaEngine->querySaveMetaInfos(_target.c_str(), _saveList[selItem].getSaveSlot());
+
+		isDeletable = desc.getDeletableFlag() && _delSupport;
+		isWriteProtected = desc.getWriteProtectedFlag();
+
+		// Don't allow the user to change the description of write protected games
+		if (isWriteProtected)
+			startEditMode = false;
+
+		if (_thumbnailSupport) {
+			const Graphics::Surface *thumb = desc.getThumbnail();
+			if (thumb) {
+				_gfxWidget->setGfx(thumb);
+				_gfxWidget->useAlpha(256);
+			}
+		}
+
+		if (_saveDateSupport) {
+			const Common::String &saveDate = desc.getSaveDate();
+			if (!saveDate.empty())
+				_date->setLabel(_("Date: ") + saveDate);
+
+			const Common::String &saveTime = desc.getSaveTime();
+			if (!saveTime.empty())
+				_time->setLabel(_("Time: ") + saveTime);
+		}
+
+		if (_playTimeSupport) {
+			const Common::String &playTime = desc.getPlayTime();
+			if (!playTime.empty())
+				_playtime->setLabel(_("Playtime: ") + playTime);
+		}
+	}
+
+
+	if (_list->isEditable()) {
+		// Disable the save button if nothing is selected, or if the selected
+		// game is write protected
+		_chooseButton->setEnabled(selItem >= 0 && !isWriteProtected);
+
+		if (startEditMode) {
+			_list->startEditMode();
+
+			if (_chooseButton->isEnabled() && _list->getSelectedString() == _("Untitled savestate") &&
+					_list->getSelectionColor() == ThemeEngine::kFontColorAlternate) {
+				_list->setEditString("");
+				_list->setEditColor(ThemeEngine::kFontColorNormal);
+			}
+		}
+	} else {
+		// Disable the load button if nothing is selected, or if an empty
+		// list item is selected.
+		_chooseButton->setEnabled(selItem >= 0 && !_list->getSelectedString().empty());
+	}
+
+	// Delete will always be disabled if the engine doesn't support it.
+	_deleteButton->setEnabled(isDeletable && (selItem >= 0) && (!_list->getSelectedString().empty()));
+
+	if (redraw) {
+		_gfxWidget->draw();
+		_date->draw();
+		_time->draw();
+		_playtime->draw();
+		_chooseButton->draw();
+		_deleteButton->draw();
+
+		draw();
+	}
+}
+
+void SaveLoadChooserSimple::close() {
+	_metaEngine = 0;
+	_target.clear();
+	_saveList.clear();
+	_list->setList(StringArray());
+
+	SaveLoadChooserDialog::close();
+}
+
+void SaveLoadChooserSimple::updateSaveList() {
+	_saveList = _metaEngine->listSaves(_target.c_str());
+
+	int curSlot = 0;
+	int saveSlot = 0;
+	StringArray saveNames;
+	ListWidget::ColorList colors;
+	for (SaveStateList::const_iterator x = _saveList.begin(); x != _saveList.end(); ++x) {
+		// Handle gaps in the list of save games
+		saveSlot = x->getSaveSlot();
+		if (curSlot < saveSlot) {
+			while (curSlot < saveSlot) {
+				SaveStateDescriptor dummySave(curSlot, "");
+				_saveList.insert_at(curSlot, dummySave);
+				saveNames.push_back(dummySave.getDescription());
+				colors.push_back(ThemeEngine::kFontColorNormal);
+				curSlot++;
+			}
+
+			// Sync the save list iterator
+			for (x = _saveList.begin(); x != _saveList.end(); ++x) {
+				if (x->getSaveSlot() == saveSlot)
+					break;
+			}
+		}
+
+		// Show "Untitled savestate" for empty/whitespace savegame descriptions
+		Common::String description = x->getDescription();
+		Common::String trimmedDescription = description;
+		trimmedDescription.trim();
+		if (trimmedDescription.empty()) {
+			description = _("Untitled savestate");
+			colors.push_back(ThemeEngine::kFontColorAlternate);
+		} else {
+			colors.push_back(ThemeEngine::kFontColorNormal);
+		}
+
+		saveNames.push_back(description);
+		curSlot++;
+	}
+
+	// Fill the rest of the save slots with empty saves
+
+	int maximumSaveSlots = _metaEngine->getMaximumSaveSlot();
+
+#ifdef __DS__
+	// Low memory on the DS means too many save slots are impractical, so limit
+	// the maximum here.
+	if (maximumSaveSlots > 99) {
+		maximumSaveSlots = 99;
+	}
+#endif
+
+	Common::String emptyDesc;
+	for (int i = curSlot; i <= maximumSaveSlots; i++) {
+		saveNames.push_back(emptyDesc);
+		SaveStateDescriptor dummySave(i, "");
+		_saveList.push_back(dummySave);
+		colors.push_back(ThemeEngine::kFontColorNormal);
+	}
+
+	_list->setList(saveNames, &colors);
+}
+
+} // End of namespace GUI