Initial commit

gui/shaderbrowser-dialog.cpp

@@ -0,0 +1,201 @@
+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "gui/shaderbrowser-dialog.h"
+
+#include "common/system.h"
+#include "common/algorithm.h"
+#include "common/str-array.h"
+#include "common/zip-set.h"
+
+#include "common/translation.h"
+
+#include "gui/ThemeEval.h"
+#include "gui/widgets/list.h"
+#include "gui/browser.h"
+#include "gui/gui-manager.h"
+#include "gui/message.h"
+
+namespace GUI {
+
+enum {
+	kChooseCmd = 'Chos',
+	kChooseFileCmd = 'File',
+	kSearchCmd = 'SRCH',
+	kListSearchCmd = 'LSSR',
+	kSearchClearCmd = 'SRCL',
+};
+
+const char *const kFileMask = "*.glslp";
+const char *const kFileExt  = "glslp";
+
+ShaderBrowserDialog::ShaderBrowserDialog(const Common::Path &initialSelection) : Dialog("ShaderBrowser") {
+
+	new StaticTextWidget(this, "ShaderBrowser.Headline", _("Choose shader from the list below (or pick a file instead)"));
+
+	_fileName = new PathWidget(this, "ShaderBrowser.Filename", initialSelection);
+
+	// Search box
+	_searchDesc = nullptr;
+#ifndef DISABLE_FANCY_THEMES
+	_searchPic = nullptr;
+	if (g_gui.xmlEval()->getVar("Globals.ShowSearchPic") == 1 && g_gui.theme()->supportsImages()) {
+		_searchPic = new GraphicsWidget(this, "ShaderBrowser.SearchPic", _("Search in game list"));
+		_searchPic->setGfxFromTheme(ThemeEngine::kImageSearch);
+	} else
+#endif
+		_searchDesc = new StaticTextWidget(this, "ShaderBrowser.SearchDesc", _("Search:"));
+
+	_searchWidget = new EditTextWidget(this, "ShaderBrowser.Search", _search, Common::U32String(), kSearchCmd);
+	_searchClearButton = addClearButton(this, "ShaderBrowser.SearchClearButton", kSearchClearCmd);
+
+	new ButtonWidget(this, "ShaderBrowser.BrowseFile", _("Pick file instead..."), _("Pick shader from file system"), kChooseFileCmd);
+
+	// Add file list
+	_fileList = new ListWidget(this, "ShaderBrowser.List");
+	_fileList->setNumberingMode(kListNumberingOff);
+	_fileList->setEditable(false);
+
+	_backgroundType = GUI::ThemeEngine::kDialogBackgroundPlain;
+
+	// Buttons
+	new ButtonWidget(this, "ShaderBrowser.Cancel", _("Cancel"), Common::U32String(), kCloseCmd);
+	new ButtonWidget(this, "ShaderBrowser.Choose", _("Choose"), Common::U32String(), kChooseCmd);
+}
+
+void ShaderBrowserDialog::open() {
+	// Call super implementation
+	Dialog::open();
+
+	Common::generateZipSet(_shaderSet, "shaders.dat", "shaders*.dat");
+
+	updateListing();
+}
+
+void ShaderBrowserDialog::reflowLayout() {
+#ifndef DISABLE_FANCY_THEMES
+	if (g_gui.xmlEval()->getVar("Globals.ShowSearchPic") == 1 && g_gui.theme()->supportsImages()) {
+		if (!_searchPic)
+			_searchPic = new GraphicsWidget(this, "ShaderBrowser.SearchPic", _("Search in game list"));
+		_searchPic->setGfxFromTheme(ThemeEngine::kImageSearch);
+
+		if (_searchDesc) {
+			removeWidget(_searchDesc);
+			g_gui.addToTrash(_searchDesc, this);
+			_searchDesc = nullptr;
+		}
+	} else {
+		if (!_searchDesc)
+			_searchDesc = new StaticTextWidget(this, "ShaderBrowser.SearchDesc", _("Search:"));
+
+		if (_searchPic) {
+			removeWidget(_searchPic);
+			g_gui.addToTrash(_searchPic, this);
+			_searchPic = nullptr;
+		}
+	}
+#endif
+
+	removeWidget(_searchClearButton);
+	g_gui.addToTrash(_searchClearButton, this);
+	_searchClearButton = addClearButton(this, "ShaderBrowser.SearchClearButton", kSearchClearCmd);
+
+	Dialog::reflowLayout();
+}
+
+void ShaderBrowserDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
+	switch (cmd) {
+	case kChooseCmd:
+		if (_fileName->getLabel().empty())
+			break;
+
+		normalizeFileName();
+
+		setResult(1);
+		close();
+		break;
+	case kChooseFileCmd: {
+		BrowserDialog browser(_("Select shader"), false);
+		if (browser.runModal() > 0) {
+			// User made his choice...
+			Common::FSNode file(browser.getResult());
+			_fileName->setLabel(file.getPath());
+
+			setResult(1);
+			close();
+		}
+		break;
+	}
+	case kSearchCmd:
+		// Update the active search filter.
+		_fileList->setFilter(_searchWidget->getEditString());
+		break;
+	case kSearchClearCmd:
+		// Reset the active search filter, thus showing all games again
+		_searchWidget->setEditString(Common::U32String());
+		_fileList->setFilter(Common::U32String());
+		break;
+	case kListSelectionChangedCmd:
+		_fileName->setLabel(Common::Path(_fileList->getList().operator[](_fileList->getSelected()).encode()));
+		break;
+	case kListItemActivatedCmd:
+	case kListItemDoubleClickedCmd:
+		normalizeFileName();
+		setResult(1);
+		close();
+		break;
+	default:
+		Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+void ShaderBrowserDialog::normalizeFileName() {
+	Common::Path filename = _fileName->getLabel();
+
+	Common::String basename = filename.baseName();
+	if (basename.matchString(kFileMask, true))
+		return;
+
+	filename.appendInPlace(".").appendInPlace(kFileExt);
+	_fileName->setLabel(filename);
+}
+
+
+void ShaderBrowserDialog::updateListing() {
+	Common::U32StringArray list;
+	Common::ArchiveMemberList files;
+
+	_shaderSet.listMatchingMembers(files, kFileMask, true);
+
+	Common::sort(files.begin(), files.end(), Common::ArchiveMemberListComparator());
+
+	for (auto &file : files) {
+		list.push_back(file->getPathInArchive().toString().decode());
+	}
+
+	_fileList->setList(list);
+	_fileList->scrollTo(0);
+
+	// Finally, redraw
+	g_gui.scheduleTopDialogRedraw();
+}
+
+} // End of namespace GUI