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-rw-r--r--src/gui/modalMenu.cpp283
1 files changed, 283 insertions, 0 deletions
diff --git a/src/gui/modalMenu.cpp b/src/gui/modalMenu.cpp
new file mode 100644
index 000000000..d8df2540c
--- /dev/null
+++ b/src/gui/modalMenu.cpp
@@ -0,0 +1,283 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2018 stujones11, Stuart Jones <stujones111@gmail.com>
+
+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 <cstdlib>
+#include "modalMenu.h"
+#include "gettext.h"
+#include "porting.h"
+
+#ifdef HAVE_TOUCHSCREENGUI
+#include "touchscreengui.h"
+#endif
+
+// clang-format off
+GUIModalMenu::GUIModalMenu(gui::IGUIEnvironment* env, gui::IGUIElement* parent, s32 id,
+ IMenuManager *menumgr) :
+ IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
+ core::rect<s32>(0, 0, 100, 100)),
+#ifdef __ANDROID__
+ m_jni_field_name(""),
+#endif
+ m_menumgr(menumgr)
+{
+ setVisible(true);
+ Environment->setFocus(this);
+ m_menumgr->createdMenu(this);
+}
+// clang-format on
+
+GUIModalMenu::~GUIModalMenu()
+{
+ m_menumgr->deletingMenu(this);
+}
+
+void GUIModalMenu::allowFocusRemoval(bool allow)
+{
+ m_allow_focus_removal = allow;
+}
+
+bool GUIModalMenu::canTakeFocus(gui::IGUIElement *e)
+{
+ return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
+}
+
+void GUIModalMenu::draw()
+{
+ if (!IsVisible)
+ return;
+
+ video::IVideoDriver *driver = Environment->getVideoDriver();
+ v2u32 screensize = driver->getScreenSize();
+ if (screensize != m_screensize_old) {
+ m_screensize_old = screensize;
+ regenerateGui(screensize);
+ }
+
+ drawMenu();
+}
+
+/*
+ This should be called when the menu wants to quit.
+
+ WARNING: THIS DEALLOCATES THE MENU FROM MEMORY. Return
+ immediately if you call this from the menu itself.
+
+ (More precisely, this decrements the reference count.)
+*/
+void GUIModalMenu::quitMenu()
+{
+ allowFocusRemoval(true);
+ // This removes Environment's grab on us
+ Environment->removeFocus(this);
+ m_menumgr->deletingMenu(this);
+ this->remove();
+#ifdef HAVE_TOUCHSCREENGUI
+ if (g_touchscreengui && m_touchscreen_visible)
+ g_touchscreengui->show();
+#endif
+}
+
+void GUIModalMenu::removeChildren()
+{
+ const core::list<gui::IGUIElement *> &children = getChildren();
+ core::list<gui::IGUIElement *> children_copy;
+ for (gui::IGUIElement *i : children) {
+ children_copy.push_back(i);
+ }
+
+ for (gui::IGUIElement *i : children_copy) {
+ i->remove();
+ }
+}
+
+bool GUIModalMenu::preprocessEvent(const SEvent &event)
+{
+#ifdef __ANDROID__
+ // clang-format off
+ // display software keyboard when clicking edit boxes
+ if (event.EventType == EET_MOUSE_INPUT_EVENT &&
+ event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
+ gui::IGUIElement *hovered =
+ Environment->getRootGUIElement()->getElementFromPoint(
+ core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
+ if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
+ bool retval = hovered->OnEvent(event);
+ if (retval)
+ Environment->setFocus(hovered);
+
+ std::string field_name = getNameByID(hovered->getID());
+ // read-only field
+ if (field_name.empty())
+ return retval;
+
+ m_jni_field_name = field_name;
+ std::string message = gettext("Enter ");
+ std::string label = wide_to_utf8(getLabelByID(hovered->getID()));
+ if (label.empty())
+ label = "text";
+ message += gettext(label) + ":";
+
+ // single line text input
+ int type = 2;
+
+ // multi line text input
+ if (((gui::IGUIEditBox *)hovered)->isMultiLineEnabled())
+ type = 1;
+
+ // passwords are always single line
+ if (((gui::IGUIEditBox *)hovered)->isPasswordBox())
+ type = 3;
+
+ porting::showInputDialog(gettext("ok"), "",
+ wide_to_utf8(((gui::IGUIEditBox *)hovered)->getText()), type);
+ return retval;
+ }
+ }
+
+ if (event.EventType == EET_TOUCH_INPUT_EVENT) {
+ SEvent translated;
+ memset(&translated, 0, sizeof(SEvent));
+ translated.EventType = EET_MOUSE_INPUT_EVENT;
+ gui::IGUIElement *root = Environment->getRootGUIElement();
+
+ if (!root) {
+ errorstream << "GUIModalMenu::preprocessEvent"
+ << " unable to get root element" << std::endl;
+ return false;
+ }
+ gui::IGUIElement *hovered = root->getElementFromPoint(
+ core::position2d<s32>(event.TouchInput.X, event.TouchInput.Y));
+
+ translated.MouseInput.X = event.TouchInput.X;
+ translated.MouseInput.Y = event.TouchInput.Y;
+ translated.MouseInput.Control = false;
+
+ bool dont_send_event = false;
+
+ if (event.TouchInput.touchedCount == 1) {
+ switch (event.TouchInput.Event) {
+ case ETIE_PRESSED_DOWN:
+ m_pointer = v2s32(event.TouchInput.X, event.TouchInput.Y);
+ translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT;
+ m_down_pos = m_pointer;
+ break;
+ case ETIE_MOVED:
+ m_pointer = v2s32(event.TouchInput.X, event.TouchInput.Y);
+ translated.MouseInput.Event = EMIE_MOUSE_MOVED;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT;
+ break;
+ case ETIE_LEFT_UP:
+ translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
+ translated.MouseInput.ButtonStates = 0;
+ hovered = root->getElementFromPoint(m_down_pos);
+ // we don't have a valid pointer element use last
+ // known pointer pos
+ translated.MouseInput.X = m_pointer.X;
+ translated.MouseInput.Y = m_pointer.Y;
+
+ // reset down pos
+ m_down_pos = v2s32(0, 0);
+ break;
+ default:
+ dont_send_event = true;
+ // this is not supposed to happen
+ errorstream << "GUIModalMenu::preprocessEvent"
+ << " unexpected usecase Event="
+ << event.TouchInput.Event << std::endl;
+ }
+ } else if ((event.TouchInput.touchedCount == 2) &&
+ (event.TouchInput.Event == ETIE_PRESSED_DOWN)) {
+ hovered = root->getElementFromPoint(m_down_pos);
+
+ translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
+ translated.MouseInput.X = m_pointer.X;
+ translated.MouseInput.Y = m_pointer.Y;
+ if (hovered) {
+ hovered->OnEvent(translated);
+ }
+
+ translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT;
+
+ if (hovered) {
+ hovered->OnEvent(translated);
+ }
+ dont_send_event = true;
+ }
+ // ignore unhandled 2 touch events ... accidental moving for example
+ else if (event.TouchInput.touchedCount == 2) {
+ dont_send_event = true;
+ }
+ else if (event.TouchInput.touchedCount > 2) {
+ errorstream << "GUIModalMenu::preprocessEvent"
+ << " to many multitouch events "
+ << event.TouchInput.touchedCount << " ignoring them"
+ << std::endl;
+ }
+
+ if (dont_send_event) {
+ return true;
+ }
+
+ // check if translated event needs to be preprocessed again
+ if (preprocessEvent(translated)) {
+ return true;
+ }
+ if (hovered) {
+ grab();
+ bool retval = hovered->OnEvent(translated);
+
+ if (event.TouchInput.Event == ETIE_LEFT_UP) {
+ // reset pointer
+ m_pointer = v2s32(0, 0);
+ }
+ drop();
+ return retval;
+ }
+ }
+ // clang-format on
+#endif
+ return false;
+}
+
+#ifdef __ANDROID__
+bool GUIModalMenu::hasAndroidUIInput()
+{
+ // no dialog shown
+ if (m_jni_field_name.empty()) {
+ return false;
+ }
+
+ // still waiting
+ if (porting::getInputDialogState() == -1) {
+ return true;
+ }
+
+ // no value abort dialog processing
+ if (porting::getInputDialogState() != 0) {
+ m_jni_field_name.clear();
+ return false;
+ }
+
+ return true;
+}
+#endif
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