From 26e2eb019afa60c66c4dc89cf24bbf5b25c6a383 Mon Sep 17 00:00:00 2001
From: red-001 <red-001@outlook.ie>
Date: Sun, 11 Jun 2017 08:43:31 +0100
Subject: Improve the path select GUI (#5852)

- Allow lua to chose whatever directories or files can be selected
- Fix selecting directories
- Rename dialog to `guiPathSelectMenu` from `guiFileSelectMenu`
- Rename lua function for opening the menu from `show_file_open_dialog` to `show_path_select_dialog`
- Remove duplicate code and fix code style.

Related changes
- fix `clang-format` whitelist.
- Regenerate minetest.conf.example
---
 src/guiPathSelectMenu.cpp | 115 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/guiPathSelectMenu.cpp

(limited to 'src/guiPathSelectMenu.cpp')

diff --git a/src/guiPathSelectMenu.cpp b/src/guiPathSelectMenu.cpp
new file mode 100644
index 000000000..d992d8c0f
--- /dev/null
+++ b/src/guiPathSelectMenu.cpp
@@ -0,0 +1,115 @@
+/*
+ Minetest
+ Copyright (C) 2013 sapier
+
+ This program is free software; you can redistribute it and/or modify
+ it 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.
+
+ 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser 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 "guiPathSelectMenu.h"
+
+GUIFileSelectMenu::GUIFileSelectMenu(gui::IGUIEnvironment* env,
+		gui::IGUIElement* parent, s32 id, IMenuManager *menumgr,
+		const std::string &title, const std::string &formname,
+		bool is_file_select) :
+	GUIModalMenu(env, parent, id, menumgr),
+	m_title(utf8_to_wide(title)),
+	m_accepted(false),
+	m_text_dst(NULL),
+	m_formname(formname),
+	m_file_select_dialog(is_file_select)
+{
+}
+
+GUIFileSelectMenu::~GUIFileSelectMenu()
+{
+	removeChildren();
+	setlocale(LC_NUMERIC, "C");
+}
+
+void GUIFileSelectMenu::regenerateGui(v2u32 screensize)
+{
+	removeChildren();
+	m_fileOpenDialog = 0;
+
+	core::dimension2du size(600, 400);
+	core::rect<s32> rect(0, 0, screensize.X, screensize.Y);
+
+	DesiredRect = rect;
+	recalculateAbsolutePosition(false);
+
+	m_fileOpenDialog =
+			Environment->addFileOpenDialog(m_title.c_str(), false, this, -1);
+
+	core::position2di pos = core::position2di(screensize.X / 2 - size.Width / 2,
+			screensize.Y / 2 - size.Height / 2);
+	m_fileOpenDialog->setRelativePosition(pos);
+	m_fileOpenDialog->setMinSize(size);
+}
+
+void GUIFileSelectMenu::drawMenu()
+{
+	gui::IGUISkin *skin = Environment->getSkin();
+	if (!skin)
+		return;
+
+	gui::IGUIElement::draw();
+}
+
+void GUIFileSelectMenu::acceptInput()
+{
+	if ((m_text_dst != 0) && (this->m_formname != "")) {
+		StringMap fields;
+		if (m_accepted) {
+			std::string path;
+			if (!m_file_select_dialog) {
+				core::string<fschar_t> string =
+						m_fileOpenDialog->getDirectoryName();
+				path = std::string(string.c_str());
+			} else {
+				path = wide_to_utf8(m_fileOpenDialog->getFileName());
+			}
+			fields[m_formname + "_accepted"] = path;
+		} else {
+			fields[m_formname + "_canceled"] = m_formname;
+		}
+		this->m_text_dst->gotText(fields);
+	}
+	quitMenu();
+}
+
+bool GUIFileSelectMenu::OnEvent(const SEvent &event)
+{
+	if (event.EventType == irr::EET_GUI_EVENT) {
+		switch (event.GUIEvent.EventType) {
+		case gui::EGET_ELEMENT_CLOSED:
+		case gui::EGET_FILE_CHOOSE_DIALOG_CANCELLED:
+			m_accepted = false;
+			acceptInput();
+			return true;
+		case gui::EGET_DIRECTORY_SELECTED:
+			m_accepted = !m_file_select_dialog;
+			acceptInput();
+			return true;
+		case gui::EGET_FILE_SELECTED:
+			m_accepted = m_file_select_dialog;
+			acceptInput();
+			return true;
+		default:
+			// ignore this event
+			break;
+		}
+	}
+	return Parent ? Parent->OnEvent(event) : false;
+}
-- 
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