]> git.lizzy.rs Git - minetest.git/blobdiff - src/guiFormSpecMenu.cpp
Rework texture generating code, add texture grouping via ( ... )
[minetest.git] / src / guiFormSpecMenu.cpp
index 962d151888f3bb2cffd5430c6e8df318a9d5795a..d6ca12b707ef23e256de7e5b030bf805fa6cd086 100644 (file)
@@ -45,6 +45,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "filesys.h"
 #include "gettime.h"
 #include "gettext.h"
+#include "scripting_game.h"
+#include "porting.h"
+#include "main.h"
+#include "settings.h"
 
 #define MY_CHECKPOS(a,b)                                                                                                       \
        if (v_pos.size() != 2) {                                                                                                \
@@ -59,8 +63,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
                        << parts[b] << "\"" << std::endl;                                                               \
                        return;                                                                                                                 \
        }
-
-
 /*
        GUIFormSpecMenu
 */
@@ -79,23 +81,44 @@ GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
        m_selected_amount(0),
        m_selected_dragging(false),
        m_tooltip_element(NULL),
+       m_old_tooltip_id(-1),
        m_allowclose(true),
        m_lock(false),
        m_form_src(fsrc),
        m_text_dst(tdst),
-       m_ext_ptr(ext_ptr)
+       m_ext_ptr(ext_ptr),
+       m_font(dev->getGUIEnvironment()->getSkin()->getFont()),
+       m_formspec_version(0)
+#ifdef __ANDROID__
+       ,m_JavaDialogFieldName(L"")
+#endif
 {
        current_keys_pending.key_down = false;
        current_keys_pending.key_up = false;
        current_keys_pending.key_enter = false;
        current_keys_pending.key_escape = false;
 
+       m_doubleclickdetect[0].time = 0;
+       m_doubleclickdetect[1].time = 0;
+
+       m_doubleclickdetect[0].pos = v2s32(0, 0);
+       m_doubleclickdetect[1].pos = v2s32(0, 0);
+
+       m_tooltip_show_delay = (u32)g_settings->getS32("tooltip_show_delay");
+
+       m_btn_height = g_settings->getS32("font_size") +2;
+       assert(m_btn_height > 0);
 }
 
 GUIFormSpecMenu::~GUIFormSpecMenu()
 {
        removeChildren();
 
+       for (u32 i = 0; i < m_tables.size(); ++i) {
+               GUITable *table = m_tables[i].second;
+               table->drop();
+       }
+
        delete m_selected_item;
 
        if (m_form_src != NULL) {
@@ -114,26 +137,12 @@ GUIFormSpecMenu::~GUIFormSpecMenu()
 void GUIFormSpecMenu::removeChildren()
 {
        const core::list<gui::IGUIElement*> &children = getChildren();
-       core::list<gui::IGUIElement*> children_copy;
-       for(core::list<gui::IGUIElement*>::ConstIterator
-                       i = children.begin(); i != children.end(); i++)
-       {
-               children_copy.push_back(*i);
-       }
-       for(core::list<gui::IGUIElement*>::Iterator
-                       i = children_copy.begin();
-                       i != children_copy.end(); i++)
-       {
-               (*i)->remove();
+
+       while(!children.empty()) {
+               (*children.getLast())->remove();
        }
-       /*{
-               gui::IGUIElement *e = getElementFromId(256);
-               if(e != NULL)
-                       e->remove();
-       }*/
 
-       if(m_tooltip_element)
-       {
+       if(m_tooltip_element) {
                m_tooltip_element->remove();
                m_tooltip_element->drop();
                m_tooltip_element = NULL;
@@ -261,7 +270,9 @@ void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,',');
 
-       if ((parts.size() == 2) || parts.size() == 3) {
+       if (((parts.size() == 2) || parts.size() == 3) ||
+               ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                v2f invsize;
 
                if (parts[1].find(';') != std::string::npos)
@@ -277,6 +288,9 @@ void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
                        }
                }
 
+               double cur_scaling = porting::getDisplayDensity() *
+                               g_settings->getFloat("gui_scaling");
+
                if (m_lock) {
                        v2u32 current_screensize = m_device->getVideoDriver()->getScreenSize();
                        v2u32 delta = current_screensize - m_lockscreensize;
@@ -294,17 +308,38 @@ void GUIFormSpecMenu::parseSize(parserData* data,std::string element)
                        offset = v2s32(delta.X,delta.Y);
 
                        data->screensize = m_lockscreensize;
+
+                       // fixed scaling for fixed size gui elements */
+                       cur_scaling = LEGACY_SCALING;
                }
                else {
                        offset = v2s32(0,0);
                }
 
-               padding = v2s32(data->screensize.Y/40, data->screensize.Y/40);
-               spacing = v2s32(data->screensize.Y/12, data->screensize.Y/13);
-               imgsize = v2s32(data->screensize.Y/15, data->screensize.Y/15);
+               /* adjust image size to dpi */
+               int y_partition = 15;
+               imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
+               int min_imgsize = DEFAULT_IMGSIZE * cur_scaling;
+               while ((min_imgsize > imgsize.Y) && (y_partition > 1)) {
+                       y_partition--;
+                       imgsize = v2s32(data->screensize.Y/y_partition, data->screensize.Y/y_partition);
+               }
+               assert(y_partition > 0);
+
+               /* adjust spacing to dpi */
+               spacing = v2s32(imgsize.X+(DEFAULT_XSPACING * cur_scaling),
+                               imgsize.Y+(DEFAULT_YSPACING * cur_scaling));
+
+               padding = v2s32(data->screensize.Y/imgsize.Y, data->screensize.Y/imgsize.Y);
+
+               /* adjust padding to dpi */
+               padding = v2s32(
+                               (padding.X/(2.0/3.0)) * cur_scaling,
+                               (padding.X/(2.0/3.0)) * cur_scaling
+                               );
                data->size = v2s32(
                        padding.X*2+spacing.X*(invsize.X-1.0)+imgsize.X,
-                       padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + (data->helptext_h-5)
+                       padding.Y*2+spacing.Y*(invsize.Y-1.0)+imgsize.Y + m_btn_height - 5
                );
                data->rect = core::rect<s32>(
                                data->screensize.X/2 - data->size.X/2 + offset.X,
@@ -331,7 +366,9 @@ void GUIFormSpecMenu::parseList(parserData* data,std::string element)
 
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 4) || (parts.size() == 5)) {
+       if (((parts.size() == 4) || (parts.size() == 5)) ||
+               ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::string location = parts[0];
                std::string listname = parts[1];
                std::vector<std::string> v_pos  = split(parts[2],',');
@@ -379,13 +416,15 @@ void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 3) || (parts.size() == 4)) {
+       if (((parts.size() >= 3) || (parts.size() <= 4)) ||
+               ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::string name = parts[1];
                std::string label = parts[2];
                std::string selected = "";
 
-               if (parts.size() == 4)
+               if (parts.size() >= 4)
                        selected = parts[3];
 
                MY_CHECKPOS("checkbox",0);
@@ -394,8 +433,6 @@ void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
                pos.X += stof(v_pos[0]) * (float) spacing.X;
                pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 
-               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+300, pos.Y+((imgsize.Y/2)+15));
-
                bool fselected = false;
 
                if (selected == "true")
@@ -403,15 +440,20 @@ void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
 
                std::wstring wlabel = narrow_to_wide(label.c_str());
 
-               FieldSpec spec = FieldSpec(
+               core::rect<s32> rect = core::rect<s32>(
+                               pos.X, pos.Y + ((imgsize.Y/2) - m_btn_height),
+                               pos.X + m_font->getDimension(wlabel.c_str()).Width + 25, // text size + size of checkbox
+                               pos.Y + ((imgsize.Y/2) + m_btn_height));
+
+               FieldSpec spec(
                                narrow_to_wide(name.c_str()),
-                               L"",
+                               wlabel, //Needed for displaying text on MSVC
                                wlabel,
                                258+m_fields.size()
                        );
 
                spec.ftype = f_CheckBox;
-               spec.flabel = wlabel; //Needed for displaying text on MSVC
+
                gui::IGUICheckBox* e = Environment->addCheckBox(fselected, rect, this,
                                        spec.fid, spec.flabel.c_str());
 
@@ -426,11 +468,101 @@ void GUIFormSpecMenu::parseCheckbox(parserData* data,std::string element)
        errorstream<< "Invalid checkbox element(" << parts.size() << "): '" << element << "'"  << std::endl;
 }
 
+void GUIFormSpecMenu::parseScrollBar(parserData* data, std::string element)
+{
+       std::vector<std::string> parts = split(element,';');
+
+       if (parts.size() >= 5) {
+               std::vector<std::string> v_pos = split(parts[0],',');
+               std::vector<std::string> v_dim = split(parts[1],',');
+               std::string name = parts[2];
+               std::string value = parts[4];
+
+               MY_CHECKPOS("scrollbar",0);
+
+               v2s32 pos = padding;
+               pos.X += stof(v_pos[0]) * (float) spacing.X;
+               pos.Y += stof(v_pos[1]) * (float) spacing.Y;
+
+               if (v_dim.size() != 2) {
+                       errorstream<< "Invalid size for element " << "scrollbar"
+                               << "specified: \"" << parts[1] << "\"" << std::endl;
+                       return;
+               }
+
+               v2s32 dim;
+               dim.X = stof(v_dim[0]) * (float) spacing.X;
+               dim.Y = stof(v_dim[1]) * (float) spacing.Y;
+
+               core::rect<s32> rect =
+                               core::rect<s32>(pos.X, pos.Y, pos.X + dim.X, pos.Y + dim.Y);
+
+               FieldSpec spec(
+                               narrow_to_wide(name.c_str()),
+                               L"",
+                               L"",
+                               258+m_fields.size()
+                       );
+
+               bool is_horizontal = true;
+
+               if (parts[2] == "vertical")
+                       is_horizontal = false;
+
+               spec.ftype = f_ScrollBar;
+               spec.send  = true;
+               gui::IGUIScrollBar* e =
+                               Environment->addScrollBar(is_horizontal,rect,this,spec.fid);
+
+               e->setMax(1000);
+               e->setMin(0);
+               e->setPos(stoi(parts[4]));
+               e->setSmallStep(10);
+               e->setLargeStep(100);
+
+               if (!m_lock) {
+                       core::rect<s32> relative_rect = e->getRelativePosition();
+
+                       if (!is_horizontal) {
+                               s32 original_width = relative_rect.getWidth();
+                               s32 width = (original_width/(2.0/3.0))
+                                               * porting::getDisplayDensity()
+                                               * g_settings->getFloat("gui_scaling");
+                               e->setRelativePosition(core::rect<s32>(
+                                               relative_rect.UpperLeftCorner.X,
+                                               relative_rect.UpperLeftCorner.Y,
+                                               relative_rect.LowerRightCorner.X + (width - original_width),
+                                               relative_rect.LowerRightCorner.Y
+                                       ));
+                       }
+                       else  {
+                               s32 original_height = relative_rect.getHeight();
+                               s32 height = (original_height/(2.0/3.0))
+                                               * porting::getDisplayDensity()
+                                               * g_settings->getFloat("gui_scaling");
+                               e->setRelativePosition(core::rect<s32>(
+                                               relative_rect.UpperLeftCorner.X,
+                                               relative_rect.UpperLeftCorner.Y,
+                                               relative_rect.LowerRightCorner.X,
+                                               relative_rect.LowerRightCorner.Y + (height - original_height)
+                                       ));
+                       }
+               }
+
+               m_scrollbars.push_back(std::pair<FieldSpec,gui::IGUIScrollBar*>(spec,e));
+               m_fields.push_back(spec);
+               return;
+       }
+       errorstream<< "Invalid scrollbar element(" << parts.size() << "): '" << element << "'"  << std::endl;
+}
+
 void GUIFormSpecMenu::parseImage(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 3) {
+       if ((parts.size() == 3) ||
+               ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = unescape_string(parts[2]);
@@ -474,7 +606,9 @@ void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 3) {
+       if ((parts.size() == 3) ||
+               ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = parts[2];
@@ -487,8 +621,8 @@ void GUIFormSpecMenu::parseItemImage(parserData* data,std::string element)
                pos.Y += stof(v_pos[1]) * (float) spacing.Y;
 
                v2s32 geom;
-               geom.X = stoi(v_geom[0]) * (float)imgsize.X;
-               geom.Y = stoi(v_geom[1]) * (float)imgsize.Y;
+               geom.X = stof(v_geom[0]) * (float)imgsize.X;
+               geom.Y = stof(v_geom[1]) * (float)imgsize.Y;
 
                if(data->bp_set != 2)
                        errorstream<<"WARNING: invalid use of item_image without a size[] element"<<std::endl;
@@ -503,7 +637,9 @@ void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 4) {
+       if ((parts.size() == 4) ||
+               ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = parts[2];
@@ -520,7 +656,9 @@ void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
                geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
                pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
 
-               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y-15, pos.X+geom.X, pos.Y+15);
+               core::rect<s32> rect =
+                               core::rect<s32>(pos.X, pos.Y - m_btn_height,
+                                               pos.X + geom.X, pos.Y + m_btn_height);
 
                if(data->bp_set != 2)
                        errorstream<<"WARNING: invalid use of button without a size[] element"<<std::endl;
@@ -529,7 +667,7 @@ void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
 
                std::wstring wlabel = narrow_to_wide(label.c_str());
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        narrow_to_wide(name.c_str()),
                        wlabel,
                        L"",
@@ -538,7 +676,6 @@ void GUIFormSpecMenu::parseButton(parserData* data,std::string element,
                spec.ftype = f_Button;
                if(type == "button_exit")
                        spec.is_exit = true;
-
                gui::IGUIButton* e = Environment->addButton(rect, this, spec.fid,
                                spec.flabel.c_str());
 
@@ -556,7 +693,9 @@ void GUIFormSpecMenu::parseBackground(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 3) || (parts.size() == 4)) {
+       if (((parts.size() == 3) || (parts.size() == 4)) ||
+               ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = unescape_string(parts[2]);
@@ -624,7 +763,9 @@ void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 4) || (parts.size() == 5)) {
+       if (((parts.size() == 4) || (parts.size() == 5)) ||
+               ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = parts[2];
@@ -651,7 +792,7 @@ void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
 
                std::wstring fname_w = narrow_to_wide(name.c_str());
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        fname_w,
                        L"",
                        L"",
@@ -667,7 +808,6 @@ void GUIFormSpecMenu::parseTable(parserData* data,std::string element)
                //now really show table
                GUITable *e = new GUITable(Environment, this, spec.fid, rect,
                                m_tsrc);
-               e->drop();  // IGUIElement maintains the remaining reference
 
                if (spec.fname == data->focused_fieldname) {
                        Environment->setFocus(e);
@@ -694,7 +834,9 @@ void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) {
+       if (((parts.size() == 4) || (parts.size() == 5) || (parts.size() == 6)) ||
+               ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = parts[2];
@@ -724,7 +866,7 @@ void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
 
                std::wstring fname_w = narrow_to_wide(name.c_str());
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        fname_w,
                        L"",
                        L"",
@@ -740,7 +882,6 @@ void GUIFormSpecMenu::parseTextList(parserData* data,std::string element)
                //now really show list
                GUITable *e = new GUITable(Environment, this, spec.fid, rect,
                                m_tsrc);
-               e->drop();  // IGUIElement maintains the remaining reference
 
                if (spec.fname == data->focused_fieldname) {
                        Environment->setFocus(e);
@@ -768,7 +909,9 @@ void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 5) {
+       if ((parts.size() == 5) ||
+               ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::string name = parts[2];
                std::vector<std::string> items = split(parts[3],',');
@@ -783,11 +926,12 @@ void GUIFormSpecMenu::parseDropDown(parserData* data,std::string element)
 
                s32 width = stof(parts[1]) * (float)spacing.Y;
 
-               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+width, pos.Y+30);
+               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y,
+                               pos.X + width, pos.Y + (m_btn_height * 2));
 
                std::wstring fname_w = narrow_to_wide(name.c_str());
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        fname_w,
                        L"",
                        L"",
@@ -822,7 +966,9 @@ void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 4) {
+       if ((parts.size() == 4) ||
+               ((parts.size() > 4) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string name = parts[2];
@@ -839,8 +985,8 @@ void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
                geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
 
                pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
-               pos.Y -= 15;
-               geom.Y = 30;
+               pos.Y -= m_btn_height;
+               geom.Y = m_btn_height*2;
 
                core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
 
@@ -848,7 +994,7 @@ void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 
                std::wstring wlabel = narrow_to_wide(label.c_str());
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        narrow_to_wide(name.c_str()),
                        wlabel,
                        L"",
@@ -864,8 +1010,8 @@ void GUIFormSpecMenu::parsePwdField(parserData* data,std::string element)
 
                if (label.length() >= 1)
                {
-                       rect.UpperLeftCorner.Y -= 15;
-                       rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
+                       rect.UpperLeftCorner.Y -= m_btn_height;
+                       rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
                        Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
                }
 
@@ -914,7 +1060,8 @@ void GUIFormSpecMenu::parseSimpleField(parserData* data,
        pos.Y = ((m_fields.size()+2)*60);
        v2s32 size = DesiredRect.getSize();
 
-       rect = core::rect<s32>(size.X/2-150, pos.Y, (size.X/2-150)+300, pos.Y+30);
+       rect = core::rect<s32>(size.X / 2 - 150, pos.Y,
+                       (size.X / 2 - 150) + 300, pos.Y + (m_btn_height*2));
 
 
        if(m_form_src)
@@ -925,7 +1072,7 @@ void GUIFormSpecMenu::parseSimpleField(parserData* data,
 
        std::wstring wlabel = narrow_to_wide(label.c_str());
 
-       FieldSpec spec = FieldSpec(
+       FieldSpec spec(
                narrow_to_wide(name.c_str()),
                wlabel,
                narrow_to_wide(default_val.c_str()),
@@ -940,7 +1087,8 @@ void GUIFormSpecMenu::parseSimpleField(parserData* data,
        else
        {
                spec.send = true;
-               gui::IGUIEditBox *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
+               gui::IGUIEditBox *e =
+                       Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 
                if (spec.fname == data->focused_fieldname) {
                        Environment->setFocus(e);
@@ -957,8 +1105,8 @@ void GUIFormSpecMenu::parseSimpleField(parserData* data,
 
                if (label.length() >= 1)
                {
-                       rect.UpperLeftCorner.Y -= 15;
-                       rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
+                       rect.UpperLeftCorner.Y -= m_btn_height;
+                       rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
                        Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
                }
        }
@@ -990,13 +1138,13 @@ void GUIFormSpecMenu::parseTextArea(parserData* data,
        if (type == "textarea")
        {
                geom.Y = (stof(v_geom[1]) * (float)imgsize.Y) - (spacing.Y-imgsize.Y);
-               pos.Y += 15;
+               pos.Y += m_btn_height;
        }
        else
        {
                pos.Y += (stof(v_geom[1]) * (float)imgsize.Y)/2;
-               pos.Y -= 15;
-               geom.Y = 30;
+               pos.Y -= m_btn_height;
+               geom.Y = m_btn_height*2;
        }
 
        core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
@@ -1013,7 +1161,7 @@ void GUIFormSpecMenu::parseTextArea(parserData* data,
 
        std::wstring wlabel = narrow_to_wide(label.c_str());
 
-       FieldSpec spec = FieldSpec(
+       FieldSpec spec(
                narrow_to_wide(name.c_str()),
                wlabel,
                narrow_to_wide(default_val.c_str()),
@@ -1028,7 +1176,8 @@ void GUIFormSpecMenu::parseTextArea(parserData* data,
        else
        {
                spec.send = true;
-               gui::IGUIEditBox *e = Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
+               gui::IGUIEditBox *e =
+                       Environment->addEditBox(spec.fdefault.c_str(), rect, true, this, spec.fid);
 
                if (spec.fname == data->focused_fieldname) {
                        Environment->setFocus(e);
@@ -1052,8 +1201,8 @@ void GUIFormSpecMenu::parseTextArea(parserData* data,
 
                if (label.length() >= 1)
                {
-                       rect.UpperLeftCorner.Y -= 15;
-                       rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + 15;
+                       rect.UpperLeftCorner.Y -= m_btn_height;
+                       rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + m_btn_height;
                        Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, 0);
                }
        }
@@ -1065,12 +1214,14 @@ void GUIFormSpecMenu::parseField(parserData* data,std::string element,
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 3) {
+       if (parts.size() == 3 || parts.size() == 4) {
                parseSimpleField(data,parts);
                return;
        }
 
-       if (parts.size() == 5) {
+       if ((parts.size() == 5) ||
+               ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                parseTextArea(data,parts,type);
                return;
        }
@@ -1081,7 +1232,9 @@ void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 2) {
+       if ((parts.size() == 2) ||
+               ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::string text = parts[1];
 
@@ -1091,8 +1244,6 @@ void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
                pos.X += stof(v_pos[0]) * (float)spacing.X;
                pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 
-               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+300, pos.Y+((imgsize.Y/2)+15));
-
                if(data->bp_set != 2)
                        errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
 
@@ -1100,13 +1251,18 @@ void GUIFormSpecMenu::parseLabel(parserData* data,std::string element)
 
                std::wstring wlabel = narrow_to_wide(text.c_str());
 
-               FieldSpec spec = FieldSpec(
+               core::rect<s32> rect = core::rect<s32>(
+                               pos.X, pos.Y+((imgsize.Y/2) - m_btn_height),
+                               pos.X + m_font->getDimension(wlabel.c_str()).Width,
+                               pos.Y+((imgsize.Y/2) + m_btn_height));
+
+               FieldSpec spec(
                        L"",
                        wlabel,
                        L"",
                        258+m_fields.size()
                );
-               Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
+               Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
                m_fields.push_back(spec);
                return;
        }
@@ -1117,7 +1273,9 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 2) {
+       if ((parts.size() == 2) ||
+               ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::wstring text = narrow_to_wide(unescape_string(parts[1]));
 
@@ -1127,7 +1285,13 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
                pos.X += stof(v_pos[0]) * (float)spacing.X;
                pos.Y += stof(v_pos[1]) * (float)spacing.Y;
 
-               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y+((imgsize.Y/2)-15), pos.X+15, pos.Y+300);
+               core::rect<s32> rect = core::rect<s32>(
+                               pos.X, pos.Y+((imgsize.Y/2)- m_btn_height),
+                               pos.X+15, pos.Y +
+                                       (m_font->getKerningHeight() +
+                                       m_font->getDimension(text.c_str()).Height)
+                                       * (text.length()+1));
+               //actually text.length() would be correct but adding +1 avoids to break all mods
 
                if(data->bp_set != 2)
                        errorstream<<"WARNING: invalid use of label without a size[] element"<<std::endl;
@@ -1139,14 +1303,14 @@ void GUIFormSpecMenu::parseVertLabel(parserData* data,std::string element)
                        label += L"\n";
                }
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        L"",
                        label,
                        L"",
                        258+m_fields.size()
                );
                gui::IGUIStaticText *t =
-                               Environment->addStaticText(spec.flabel.c_str(), rect, false, true, this, spec.fid);
+                               Environment->addStaticText(spec.flabel.c_str(), rect, false, false, this, spec.fid);
                t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
                m_fields.push_back(spec);
                return;
@@ -1159,7 +1323,9 @@ void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 5) || (parts.size() == 7) || (parts.size() == 8)) {
+       if ((((parts.size() >= 5) && (parts.size() <= 8)) && (parts.size() != 6)) ||
+               ((parts.size() > 8) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string image_name = parts[2];
@@ -1176,20 +1342,18 @@ void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
                geom.X = (stof(v_geom[0]) * (float)spacing.X)-(spacing.X-imgsize.X);
                geom.Y = (stof(v_geom[1]) * (float)spacing.Y)-(spacing.Y-imgsize.Y);
 
-               bool noclip = false;
+               bool noclip     = false;
                bool drawborder = true;
+               std::string pressed_image_name = "";
 
-               if ((parts.size() >= 7)) {
+               if (parts.size() >= 7) {
                        if (parts[5] == "true")
                                noclip = true;
-
                        if (parts[6] == "false")
                                drawborder = false;
                }
-               
-               std::string pressed_image_name = "";
-               
-               if ((parts.size() == 8)) {
+
+               if (parts.size() >= 8) {
                        pressed_image_name = parts[7];
                }
 
@@ -1204,7 +1368,7 @@ void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
 
                std::wstring wlabel = narrow_to_wide(label.c_str());
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        narrow_to_wide(name.c_str()),
                        wlabel,
                        narrow_to_wide(image_name.c_str()),
@@ -1217,7 +1381,7 @@ void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
                video::ITexture *texture = 0;
                video::ITexture *pressed_texture = 0;
                texture = m_tsrc->getTexture(image_name);
-               if (parts.size() == 8)
+               if (pressed_image_name != "")
                        pressed_texture = m_tsrc->getTexture(pressed_image_name);
                else
                        pressed_texture = texture;
@@ -1246,7 +1410,9 @@ void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 4) || (parts.size() == 6)) {
+       if (((parts.size() == 4) || (parts.size() == 6)) ||
+               ((parts.size() > 6) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::string name = parts[1];
                std::vector<std::string> buttons = split(parts[2],',');
@@ -1264,7 +1430,7 @@ void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
                                show_border = false;
                }
 
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        narrow_to_wide(name.c_str()),
                        L"",
                        L"",
@@ -1273,16 +1439,21 @@ void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
 
                spec.ftype = f_TabHeader;
 
-               v2s32 pos = padding;
+               v2s32 pos(0,0);
                pos.X += stof(v_pos[0]) * (float)spacing.X;
-               pos.Y += stof(v_pos[1]) * (float)spacing.Y;
+               pos.Y += stof(v_pos[1]) * (float)spacing.Y - m_btn_height * 2;
                v2s32 geom;
                geom.X = data->screensize.Y;
-               geom.Y = 30;
+               geom.Y = m_btn_height*2;
 
-               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X, pos.Y+geom.Y);
+               core::rect<s32> rect = core::rect<s32>(pos.X, pos.Y, pos.X+geom.X,
+                               pos.Y+geom.Y);
 
-               gui::IGUITabControl *e = Environment->addTabControl(rect,this,show_background,show_border,spec.fid);
+               gui::IGUITabControl *e = Environment->addTabControl(rect, this,
+                               show_background, show_border, spec.fid);
+               e->setAlignment(irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_UPPERLEFT,
+                               irr::gui::EGUIA_UPPERLEFT, irr::gui::EGUIA_LOWERRIGHT);
+               e->setTabHeight(m_btn_height*2);
 
                if (spec.fname == data->focused_fieldname) {
                        Environment->setFocus(e);
@@ -1291,12 +1462,7 @@ void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
                e->setNotClipped(true);
 
                for (unsigned int i=0; i< buttons.size(); i++) {
-                       wchar_t* wbutton = 0;
-
-                       std::wstring wlabel = narrow_to_wide(buttons[i]); //Needed for displaying text on windows
-                       wbutton = (wchar_t*) wlabel.c_str();
-
-                       e->addTab(wbutton,-1);
+                       e->addTab(narrow_to_wide(buttons[i]).c_str(), -1);
                }
 
                if ((tab_index >= 0) &&
@@ -1307,20 +1473,25 @@ void GUIFormSpecMenu::parseTabHeader(parserData* data,std::string element)
                m_fields.push_back(spec);
                return;
        }
-       errorstream<< "Invalid TabHeader element(" << parts.size() << "): '" << element << "'"  << std::endl;
+       errorstream << "Invalid TabHeader element(" << parts.size() << "): '"
+                       << element << "'"  << std::endl;
 }
 
 void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
 {
 
        if (m_gamedef == 0) {
-               errorstream<<"WARNING: invalid use of item_image_button with m_gamedef==0"<<std::endl;
+               errorstream <<
+                               "WARNING: invalid use of item_image_button with m_gamedef==0"
+                               << std::endl;
                return;
        }
 
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 5) {
+       if ((parts.size() == 5) ||
+               ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
                std::string item_name = parts[2];
@@ -1346,10 +1517,14 @@ void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
                ItemStack item;
                item.deSerialize(item_name, idef);
                video::ITexture *texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
-               std::string tooltip = item.getDefinition(idef).description;
+
+               m_tooltips[narrow_to_wide(name.c_str())] =
+                       TooltipSpec (item.getDefinition(idef).description,
+                                               m_default_tooltip_bgcolor,
+                                               m_default_tooltip_color);
 
                label = unescape_string(label);
-               FieldSpec spec = FieldSpec(
+               FieldSpec spec(
                        narrow_to_wide(name.c_str()),
                        narrow_to_wide(label.c_str()),
                        narrow_to_wide(item_name.c_str()),
@@ -1369,8 +1544,6 @@ void GUIFormSpecMenu::parseItemImageButton(parserData* data,std::string element)
                spec.ftype = f_Button;
                rect+=data->basepos-padding;
                spec.rect=rect;
-               if (tooltip!="")
-                       spec.tooltip=tooltip;
                m_fields.push_back(spec);
                return;
        }
@@ -1381,7 +1554,9 @@ void GUIFormSpecMenu::parseBox(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if (parts.size() == 3) {
+       if ((parts.size() == 3) ||
+               ((parts.size() > 3) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                std::vector<std::string> v_pos = split(parts[0],',');
                std::vector<std::string> v_geom = split(parts[1],',');
 
@@ -1415,7 +1590,9 @@ void GUIFormSpecMenu::parseBackgroundColor(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 1) || (parts.size() == 2)) {
+       if (((parts.size() == 1) || (parts.size() == 2)) ||
+               ((parts.size() > 2) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                parseColor(parts[0],m_bgcolor,false);
 
                if (parts.size() == 2) {
@@ -1431,10 +1608,12 @@ void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
 {
        std::vector<std::string> parts = split(element,';');
 
-       if ((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) {
+       if (((parts.size() == 2) || (parts.size() == 3) || (parts.size() == 5)) ||
+               ((parts.size() > 5) && (m_formspec_version > FORMSPEC_API_VERSION)))
+       {
                parseColor(parts[0], m_slotbg_n, false);
                parseColor(parts[1], m_slotbg_h, false);
-               
+
                if (parts.size() >= 3) {
                        if (parseColor(parts[2], m_slotbordercolor, false)) {
                                m_slotborder = true;
@@ -1444,16 +1623,58 @@ void GUIFormSpecMenu::parseListColors(parserData* data,std::string element)
                        video::SColor tmp_color;
 
                        if (parseColor(parts[3], tmp_color, false))
-                               m_tooltip_element->setBackgroundColor(tmp_color);
+                               m_default_tooltip_bgcolor = tmp_color;
                        if (parseColor(parts[4], tmp_color, false))
-                               m_tooltip_element->setOverrideColor(tmp_color);
+                               m_default_tooltip_color = tmp_color;
                }
                return;
        }
        errorstream<< "Invalid listcolors element(" << parts.size() << "): '" << element << "'"  << std::endl;
 }
 
-void GUIFormSpecMenu::parseElement(parserData* data,std::string element)
+void GUIFormSpecMenu::parseTooltip(parserData* data, std::string element)
+{
+       std::vector<std::string> parts = split(element,';');
+       if (parts.size() == 2) {
+               std::string name = parts[0];
+               m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], m_default_tooltip_bgcolor, m_default_tooltip_color);
+               return;
+       } else if (parts.size() == 4) {
+               std::string name = parts[0];
+               video::SColor tmp_color1, tmp_color2;
+               if ( parseColor(parts[2], tmp_color1, false) && parseColor(parts[3], tmp_color2, false) ) {
+                       m_tooltips[narrow_to_wide(name.c_str())] = TooltipSpec (parts[1], tmp_color1, tmp_color2);
+                       return;
+               }
+       }
+       errorstream<< "Invalid tooltip element(" << parts.size() << "): '" << element << "'"  << std::endl;
+}
+
+bool GUIFormSpecMenu::parseVersionDirect(std::string data)
+{
+       //some prechecks
+       if (data == "")
+               return false;
+
+       std::vector<std::string> parts = split(data,'[');
+
+       if (parts.size() < 2) {
+               return false;
+       }
+
+       if (parts[0] != "formspec_version") {
+               return false;
+       }
+
+       if (is_number(parts[1])) {
+               m_formspec_version = mystoi(parts[1]);
+               return true;
+       }
+
+       return false;
+}
+
+void GUIFormSpecMenu::parseElement(parserData* data, std::string element)
 {
        //some prechecks
        if (element == "")
@@ -1478,7 +1699,13 @@ void GUIFormSpecMenu::parseElement(parserData* data,std::string element)
        std::string type = trim(parts[0]);
        std::string description = trim(parts[1]);
 
-       if ((type == "size") || (type == "invsize")){
+       if (type == "size") {
+               parseSize(data,description);
+               return;
+       }
+
+       if (type == "invsize") {
+               log_deprecated("Deprecated formspec element \"invsize\" is used");
                parseSize(data,description);
                return;
        }
@@ -1588,6 +1815,16 @@ void GUIFormSpecMenu::parseElement(parserData* data,std::string element)
                return;
        }
 
+       if (type == "tooltip") {
+               parseTooltip(data,description);
+               return;
+       }
+
+       if (type == "scrollbar") {
+               parseScrollBar(data, description);
+               return;
+       }
+
        // Ignore others
        infostream
                << "Unknown DrawSpec: type="<<type<<", data=\""<<description<<"\""
@@ -1598,6 +1835,11 @@ void GUIFormSpecMenu::parseElement(parserData* data,std::string element)
 
 void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 {
+       /* useless to regenerate without a screensize */
+       if ((screensize.X <= 0) || (screensize.Y <= 0)) {
+               return;
+       }
+
        parserData mydata;
 
        //preserve tables
@@ -1625,8 +1867,12 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
        // Remove children
        removeChildren();
 
+       for (u32 i = 0; i < m_tables.size(); ++i) {
+               GUITable *table = m_tables[i].second;
+               table->drop();
+       }
+
        mydata.size= v2s32(100,100);
-       mydata.helptext_h = 15;
        mydata.screensize = screensize;
 
        // Base position of contents of form
@@ -1637,17 +1883,19 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
        // A proceed button is added if there is no size[] element
        mydata.bp_set = 0;
 
-       
+
        /* Convert m_init_draw_spec to m_inventorylists */
-       
+
        m_inventorylists.clear();
        m_images.clear();
        m_backgrounds.clear();
        m_itemimages.clear();
        m_tables.clear();
        m_checkboxes.clear();
+       m_scrollbars.clear();
        m_fields.clear();
        m_boxes.clear();
+       m_tooltips.clear();
 
        // Set default values (fits old formspec values)
        m_bgcolor = video::SColor(140,0,0,0);
@@ -1656,34 +1904,45 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
        m_slotbg_n = video::SColor(255,128,128,128);
        m_slotbg_h = video::SColor(255,192,192,192);
 
+       m_default_tooltip_bgcolor = video::SColor(255,110,130,60);
+       m_default_tooltip_color = video::SColor(255,255,255,255);
+
        m_slotbordercolor = video::SColor(200,0,0,0);
        m_slotborder = false;
 
        m_clipbackground = false;
        // Add tooltip
        {
+               assert(m_tooltip_element == NULL);
                // Note: parent != this so that the tooltip isn't clipped by the menu rectangle
                m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
                m_tooltip_element->enableOverrideColor(true);
-               m_tooltip_element->setBackgroundColor(video::SColor(255,110,130,60));
+               m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
                m_tooltip_element->setDrawBackground(true);
                m_tooltip_element->setDrawBorder(true);
-               m_tooltip_element->setOverrideColor(video::SColor(255,255,255,255));
+               m_tooltip_element->setOverrideColor(m_default_tooltip_color);
                m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
                m_tooltip_element->setWordWrap(false);
                //we're not parent so no autograb for this one!
                m_tooltip_element->grab();
        }
 
-
        std::vector<std::string> elements = split(m_formspec_string,']');
-       for (unsigned int i=0;i< elements.size();i++) {
-               parseElement(&mydata,elements[i]);
+       unsigned int i = 0;
+
+       /* try to read version from first element only */
+       if (elements.size() >= 1) {
+               if ( parseVersionDirect(elements[0]) ) {
+                       i++;
+               }
+       }
+
+       for (; i< elements.size(); i++) {
+               parseElement(&mydata, elements[i]);
        }
 
        // If there's fields, add a Proceed button
-       if (m_fields.size() && mydata.bp_set != 2)
-       {
+       if (m_fields.size() && mydata.bp_set != 2) {
                // if the size wasn't set by an invsize[] or size[] adjust it now to fit all the fields
                mydata.rect = core::rect<s32>(
                                mydata.screensize.X/2 - 580/2,
@@ -1700,7 +1959,9 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
                        pos.Y = ((m_fields.size()+2)*60);
 
                        v2s32 size = DesiredRect.getSize();
-                       mydata.rect = core::rect<s32>(size.X/2-70, pos.Y, (size.X/2-70)+140, pos.Y+30);
+                       mydata.rect =
+                                       core::rect<s32>(size.X/2-70, pos.Y,
+                                                       (size.X/2-70)+140, pos.Y + (m_btn_height*2));
                        wchar_t* text = wgettext("Proceed");
                        Environment->addButton(mydata.rect, this, 257, text);
                        delete[] text;
@@ -1716,16 +1977,61 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
                setInitialFocus();
 }
 
+#ifdef __ANDROID__
+bool GUIFormSpecMenu::getAndroidUIInput()
+{
+       /* no dialog shown */
+       if (m_JavaDialogFieldName == L"") {
+               return false;
+       }
+
+       /* still waiting */
+       if (porting::getInputDialogState() == -1) {
+               return true;
+       }
+
+       std::wstring fieldname = m_JavaDialogFieldName;
+       m_JavaDialogFieldName = L"";
+
+       /* no value abort dialog processing */
+       if (porting::getInputDialogState() != 0) {
+               return false;
+       }
+
+       for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
+                       iter != m_fields.end(); iter++) {
+
+               if (iter->fname != fieldname) {
+                       continue;
+               }
+               IGUIElement* tochange = getElementFromId(iter->fid);
+
+               if (tochange == 0) {
+                       return false;
+               }
+
+               if (tochange->getType() != irr::gui::EGUIET_EDIT_BOX) {
+                       return false;
+               }
+
+               std::string text = porting::getInputDialogValue();
+
+               ((gui::IGUIEditBox*) tochange)->
+                       setText(narrow_to_wide(text).c_str());
+       }
+       return false;
+}
+#endif
+
 GUIFormSpecMenu::ItemSpec GUIFormSpecMenu::getItemAtPos(v2s32 p) const
 {
        core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
-       
+
        for(u32 i=0; i<m_inventorylists.size(); i++)
        {
                const ListDrawSpec &s = m_inventorylists[i];
 
-               for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
-               {
+               for(s32 i=0; i<s.geom.X*s.geom.Y; i++) {
                        s32 item_i = i + s.start_item_i;
                        s32 x = (i%s.geom.X) * spacing.X;
                        s32 y = (i/s.geom.X) * spacing.Y;
@@ -1750,7 +2056,7 @@ void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
        gui::IGUISkin* skin = Environment->getSkin();
        if (skin)
                font = skin->getFont();
-       
+
        Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
        if(!inv){
                infostream<<"GUIFormSpecMenu::drawList(): WARNING: "
@@ -1767,9 +2073,9 @@ void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
                                <<std::endl;
                return;
        }
-       
+
        core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
-       
+
        for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
        {
                s32 item_i = i + s.start_item_i;
@@ -1837,12 +2143,14 @@ void GUIFormSpecMenu::drawList(const ListDrawSpec &s, int phase)
                                tooltip_text = item.getDefinition(m_gamedef->idef()).description;
                        if(tooltip_text != "")
                        {
+                               m_tooltip_element->setBackgroundColor(m_default_tooltip_bgcolor);
+                               m_tooltip_element->setOverrideColor(m_default_tooltip_color);
                                m_tooltip_element->setVisible(true);
                                this->bringToFront(m_tooltip_element);
                                m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
-                               s32 tooltip_x = m_pointer.X + 15;
-                               s32 tooltip_y = m_pointer.Y + 15;
-                               s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
+                               s32 tooltip_x = m_pointer.X + m_btn_height;
+                               s32 tooltip_y = m_pointer.Y + m_btn_height;
+                               s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
                                s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
                                m_tooltip_element->setRelativePosition(core::rect<s32>(
                                                core::position2d<s32>(tooltip_x, tooltip_y),
@@ -1864,7 +2172,7 @@ void GUIFormSpecMenu::drawSelectedItem()
        gui::IGUISkin* skin = Environment->getSkin();
        if (skin)
                font = skin->getFont();
-       
+
        Inventory *inv = m_invmgr->getInventory(m_selected_item->inventoryloc);
        assert(inv);
        InventoryList *list = inv->getList(m_selected_item->listname);
@@ -1887,15 +2195,13 @@ void GUIFormSpecMenu::drawMenu()
                }
        }
 
-       m_pointer = m_device->getCursorControl()->getPosition();
-
        updateSelectedItem();
 
        gui::IGUISkin* skin = Environment->getSkin();
        if (!skin)
                return;
        video::IVideoDriver* driver = Environment->getVideoDriver();
-       
+
        v2u32 screenSize = driver->getScreenSize();
        core::rect<s32> allbg(0, 0, screenSize.X ,      screenSize.Y);
        if (m_bgfullscreen)
@@ -1939,7 +2245,7 @@ void GUIFormSpecMenu::drawMenu()
                        errorstream << "\t" << spec.name << std::endl;
                }
        }
-       
+
        /*
                Draw Boxes
        */
@@ -1988,7 +2294,7 @@ void GUIFormSpecMenu::drawMenu()
                        errorstream << "\t" << spec.name << std::endl;
                }
        }
-       
+
        /*
                Draw item images
        */
@@ -2013,7 +2319,7 @@ void GUIFormSpecMenu::drawMenu()
                                        core::dimension2di(texture->getOriginalSize())),
                        NULL/*&AbsoluteClippingRect*/, colors, true);
        }
-       
+
        /*
                Draw items
                Phase 0: Item slot rectangles
@@ -2030,32 +2336,65 @@ void GUIFormSpecMenu::drawMenu()
                Call base class
        */
        gui::IGUIElement::draw();
-       
+
+/* TODO find way to show tooltips on touchscreen */
+#ifndef HAVE_TOUCHSCREENGUI
+       m_pointer = m_device->getCursorControl()->getPosition();
+#endif
+
        /*
                Draw fields/buttons tooltips
        */
-       for(u32 i=0; i<m_fields.size(); i++)
-       {
-               const FieldSpec &spec = m_fields[i];
-               if (spec.tooltip != "")
-               {
-                       core::rect<s32> rect = spec.rect;
-                       if (rect.isPointInside(m_pointer))
-                       {
-                               m_tooltip_element->setVisible(true);
-                               this->bringToFront(m_tooltip_element);
-                               m_tooltip_element->setText(narrow_to_wide(spec.tooltip).c_str());
-                               s32 tooltip_x = m_pointer.X + 15;
-                               s32 tooltip_y = m_pointer.Y + 15;
-                               s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
-                               s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
-                               m_tooltip_element->setRelativePosition(core::rect<s32>(
-                               core::position2d<s32>(tooltip_x, tooltip_y),
-                               core::dimension2d<s32>(tooltip_width, tooltip_height)));
+       gui::IGUIElement *hovered =
+                       Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
+
+       if (hovered != NULL) {
+               s32 id = hovered->getID();
+               u32 delta;
+               if (id == -1) {
+                       m_old_tooltip_id = id;
+                       m_old_tooltip = "";
+                       delta = 0;
+               } else if (id != m_old_tooltip_id) {
+                       m_hoovered_time = getTimeMs();
+                       m_old_tooltip_id = id;
+                       delta = 0;
+               } else if (id == m_old_tooltip_id) {
+                       delta = porting::getDeltaMs(m_hoovered_time, getTimeMs());
+               }
+               if (id != -1 && delta >= m_tooltip_show_delay) {
+                       for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
+                                       iter != m_fields.end(); iter++) {
+                               if ( (iter->fid == id) && (m_tooltips[iter->fname].tooltip != "") ){
+                                       if (m_old_tooltip != m_tooltips[iter->fname].tooltip) {
+                                               m_old_tooltip = m_tooltips[iter->fname].tooltip;
+                                               m_tooltip_element->setText(narrow_to_wide(m_tooltips[iter->fname].tooltip).c_str());
+                                               s32 tooltip_x = m_pointer.X + m_btn_height;
+                                               s32 tooltip_y = m_pointer.Y + m_btn_height;
+                                               s32 tooltip_width = m_tooltip_element->getTextWidth() + m_btn_height;
+                                               if (tooltip_x + tooltip_width > (s32)screenSize.X)
+                                                       tooltip_x = (s32)screenSize.X - tooltip_width - m_btn_height;
+                                               int lines_count = 1;
+                                               size_t i = 0;
+                                               while ((i = m_tooltips[iter->fname].tooltip.find("\n", i)) != std::string::npos) {
+                                                       lines_count++;
+                                                       i += 2;
+                                               }
+                                               s32 tooltip_height = m_tooltip_element->getTextHeight() * lines_count + 5;
+                                               m_tooltip_element->setRelativePosition(core::rect<s32>(
+                                               core::position2d<s32>(tooltip_x, tooltip_y),
+                                               core::dimension2d<s32>(tooltip_width, tooltip_height)));
+                                       }
+                                       m_tooltip_element->setBackgroundColor(m_tooltips[iter->fname].bgcolor);
+                                       m_tooltip_element->setOverrideColor(m_tooltips[iter->fname].color);
+                                       m_tooltip_element->setVisible(true);
+                                       this->bringToFront(m_tooltip_element);
+                                       break;
+                               }
                        }
                }
        }
-       
+
        /*
                Draw dragged item stack
        */
@@ -2213,20 +2552,17 @@ void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
                        current_keys_pending.key_escape = false;
                }
 
-               for(u32 i=0; i<m_fields.size(); i++)
-               {
+               for(unsigned int i=0; i<m_fields.size(); i++) {
                        const FieldSpec &s = m_fields[i];
-                       if(s.send)
-                       {
-                               if(s.ftype == f_Button)
-                               {
-                                       fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(s.flabel.c_str());
+                       if(s.send) {
+                               std::string name  = wide_to_narrow(s.fname);
+                               if(s.ftype == f_Button) {
+                                       fields[name] = wide_to_narrow(s.flabel);
                                }
                                else if(s.ftype == f_Table) {
                                        GUITable *table = getTable(s.fname);
                                        if (table) {
-                                               fields[wide_to_narrow(s.fname.c_str())]
-                                                       = table->checkEvent();
+                                               fields[name] = table->checkEvent();
                                        }
                                }
                                else if(s.ftype == f_DropDown) {
@@ -2239,7 +2575,7 @@ void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
                                        }
                                        s32 selected = e->getSelected();
                                        if (selected >= 0) {
-                                               fields[wide_to_narrow(s.fname.c_str())] =
+                                               fields[name] =
                                                        wide_to_narrow(e->getItem(selected));
                                        }
                                }
@@ -2255,7 +2591,7 @@ void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
                                        if (e != 0) {
                                                std::stringstream ss;
                                                ss << (e->getActiveTab() +1);
-                                               fields[wide_to_narrow(s.fname.c_str())] = ss.str();
+                                               fields[name] = ss.str();
                                        }
                                }
                                else if (s.ftype == f_CheckBox) {
@@ -2269,17 +2605,34 @@ void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
 
                                        if (e != 0) {
                                                if (e->isChecked())
-                                                       fields[wide_to_narrow(s.fname.c_str())] = "true";
+                                                       fields[name] = "true";
                                                else
-                                                       fields[wide_to_narrow(s.fname.c_str())] = "false";
+                                                       fields[name] = "false";
                                        }
                                }
+                               else if (s.ftype == f_ScrollBar) {
+                                       // no dynamic cast possible due to some distributions shipped
+                                       // without rtti support in irrlicht
+                                       IGUIElement * element = getElementFromId(s.fid);
+                                       gui::IGUIScrollBar *e = NULL;
+                                       if ((element) && (element->getType() == gui::EGUIET_SCROLL_BAR)) {
+                                               e = static_cast<gui::IGUIScrollBar*>(element);
+                                       }
+
+                                       if (e != 0) {
+                                               std::stringstream os;
+                                               os << e->getPos();
+                                               if (s.fdefault == L"Changed")
+                                                       fields[name] = "CHG:" + os.str();
+                                               else
+                                                       fields[name] = "VAL:" + os.str();
+                                       }
+                               }
                                else
                                {
                                        IGUIElement* e = getElementFromId(s.fid);
-                                       if(e != NULL)
-                                       {
-                                               fields[wide_to_narrow(s.fname.c_str())] = wide_to_narrow(e->getText());
+                                       if(e != NULL) {
+                                               fields[name] = wide_to_narrow(e->getText());
                                        }
                                }
                        }
@@ -2289,15 +2642,25 @@ void GUIFormSpecMenu::acceptInput(FormspecQuitMode quitmode=quit_mode_no)
        }
 }
 
+static bool isChild(gui::IGUIElement * tocheck, gui::IGUIElement * parent)
+{
+       while(tocheck != NULL) {
+               if (tocheck == parent) {
+                       return true;
+               }
+               tocheck = tocheck->getParent();
+       }
+       return false;
+}
+
 bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
 {
        // Fix Esc/Return key being eaten by checkboxen and tables
-       if(event.EventType==EET_KEY_INPUT_EVENT)
-       {
+       if(event.EventType==EET_KEY_INPUT_EVENT) {
                KeyPress kp(event.KeyInput);
-               if (kp == EscapeKey || kp == getKeySetting("keymap_inventory")
-                               || event.KeyInput.Key==KEY_RETURN)
-               {
+               if (kp == EscapeKey || kp == CancelKey
+                               || kp == getKeySetting("keymap_inventory")
+                               || event.KeyInput.Key==KEY_RETURN) {
                        gui::IGUIElement *focused = Environment->getFocus();
                        if (focused && isMyChild(focused) &&
                                        (focused->getType() == gui::EGUIET_LIST_BOX ||
@@ -2309,8 +2672,7 @@ bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
        }
        // Mouse wheel events: send to hovered element instead of focused
        if(event.EventType==EET_MOUSE_INPUT_EVENT
-                       && event.MouseInput.Event == EMIE_MOUSE_WHEEL)
-       {
+                       && event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
                s32 x = event.MouseInput.X;
                s32 y = event.MouseInput.Y;
                gui::IGUIElement *hovered =
@@ -2321,18 +2683,228 @@ bool GUIFormSpecMenu::preprocessEvent(const SEvent& event)
                        return true;
                }
        }
+
+       if (event.EventType == EET_MOUSE_INPUT_EVENT) {
+               s32 x = event.MouseInput.X;
+               s32 y = event.MouseInput.Y;
+               gui::IGUIElement *hovered =
+                       Environment->getRootGUIElement()->getElementFromPoint(
+                               core::position2d<s32>(x, y));
+               if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
+                       m_old_tooltip_id = -1;
+                       m_old_tooltip = "";
+               }
+               if (!isChild(hovered,this)) {
+                       if (DoubleClickDetection(event)) {
+                               return true;
+                       }
+               }
+       }
+
+       #ifdef __ANDROID__
+       // 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);
+                       }
+                       m_JavaDialogFieldName = getNameByID(hovered->getID());
+                       std::string message   = gettext("Enter ");
+                       std::string label     = wide_to_narrow(getLabelByID(hovered->getID()));
+                       if (label == "") {
+                               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_narrow(((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
+                       << "GUIFormSpecMenu::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
+                                       << "GUIFormSpecMenu::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
+                       << "GUIFormSpecMenu::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;
+               }
+       }
+       #endif
+
+       return false;
+}
+
+/******************************************************************************/
+bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
+{
+       if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
+               m_doubleclickdetect[0].pos  = m_doubleclickdetect[1].pos;
+               m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
+
+               m_doubleclickdetect[1].pos  = m_pointer;
+               m_doubleclickdetect[1].time = getTimeMs();
+       }
+       else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
+               u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
+               if (delta > 400) {
+                       return false;
+               }
+
+               double squaredistance =
+                               m_doubleclickdetect[0].pos
+                               .getDistanceFromSQ(m_doubleclickdetect[1].pos);
+
+               if (squaredistance > (30*30)) {
+                       return false;
+               }
+
+               SEvent* translated = new SEvent();
+               assert(translated != 0);
+               //translate doubleclick to escape
+               memset(translated, 0, sizeof(SEvent));
+               translated->EventType = irr::EET_KEY_INPUT_EVENT;
+               translated->KeyInput.Key         = KEY_ESCAPE;
+               translated->KeyInput.Control     = false;
+               translated->KeyInput.Shift       = false;
+               translated->KeyInput.PressedDown = true;
+               translated->KeyInput.Char        = 0;
+               OnEvent(*translated);
+
+               // no need to send the key up event as we're already deleted
+               // and no one else did notice this event
+               delete translated;
+               return true;
+       }
        return false;
 }
 
 bool GUIFormSpecMenu::OnEvent(const SEvent& event)
 {
-       if(event.EventType==EET_KEY_INPUT_EVENT)
-       {
+       if(event.EventType==EET_KEY_INPUT_EVENT) {
                KeyPress kp(event.KeyInput);
-               if (event.KeyInput.PressedDown && (kp == EscapeKey ||
-                       kp == getKeySetting("keymap_inventory")))
-               {
-                       if (m_allowclose){
+               if (event.KeyInput.PressedDown && ( (kp == EscapeKey) ||
+                       (kp == getKeySetting("keymap_inventory")) || (kp == CancelKey))) {
+                       if (m_allowclose) {
                                doPause = false;
                                acceptInput(quit_mode_cancel);
                                quitMenu();
@@ -2346,8 +2918,6 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                         event.KeyInput.Key==KEY_UP ||
                         event.KeyInput.Key==KEY_DOWN)
                        ) {
-
-
                        switch (event.KeyInput.Key) {
                                case KEY_RETURN:
                                        current_keys_pending.key_enter = true;
@@ -2367,29 +2937,28 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        if (current_keys_pending.key_enter && m_allowclose) {
                                acceptInput(quit_mode_accept);
                                quitMenu();
-                       }
-                       else {
+                       } else {
                                acceptInput();
                        }
                        return true;
                }
 
        }
+
        if(event.EventType==EET_MOUSE_INPUT_EVENT
-                       && event.MouseInput.Event != EMIE_MOUSE_MOVED)
-       {
+                       && event.MouseInput.Event != EMIE_MOUSE_MOVED) {
                // Mouse event other than movement
 
                // Get selected item and hovered/clicked item (s)
 
+               m_old_tooltip_id = -1;
                updateSelectedItem();
                ItemSpec s = getItemAtPos(m_pointer);
 
                Inventory *inv_selected = NULL;
                Inventory *inv_s = NULL;
 
-               if(m_selected_item)
-               {
+               if(m_selected_item) {
                        inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
                        assert(inv_selected);
                        assert(inv_selected->getList(m_selected_item->listname) != NULL);
@@ -2398,10 +2967,10 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                u32 s_count = 0;
 
                if(s.isValid())
-               do{ // breakable
+               do { // breakable
                        inv_s = m_invmgr->getInventory(s.inventoryloc);
 
-                       if(!inv_s){
+                       if(!inv_s) {
                                errorstream<<"InventoryMenu: The selected inventory location "
                                                <<"\""<<s.inventoryloc.dump()<<"\" doesn't exist"
                                                <<std::endl;
@@ -2410,14 +2979,14 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        }
 
                        InventoryList *list = inv_s->getList(s.listname);
-                       if(list == NULL){
+                       if(list == NULL) {
                                verbosestream<<"InventoryMenu: The selected inventory list \""
                                                <<s.listname<<"\" does not exist"<<std::endl;
                                s.i = -1;  // make it invalid again
                                break;
                        }
 
-                       if((u32)s.i >= list->getSize()){
+                       if((u32)s.i >= list->getSize()) {
                                infostream<<"InventoryMenu: The selected inventory list \""
                                                <<s.listname<<"\" is too small (i="<<s.i<<", size="
                                                <<list->getSize()<<")"<<std::endl;
@@ -2426,7 +2995,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        }
 
                        s_count = list->getItem(s.i).count;
-               }while(0);
+               } while(0);
 
                bool identical = (m_selected_item != NULL) && s.isValid() &&
                        (inv_selected == inv_s) &&
@@ -2461,8 +3030,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                // Set this number to a positive value to generate a craft action at s.
                u32 craft_amount = 0;
 
-               if(updown == 0)
-               {
+               if(updown == 0) {
                        // Some mouse button has been pressed
 
                        //infostream<<"Mouse button "<<button<<" pressed at p=("
@@ -2470,15 +3038,12 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
 
                        m_selected_dragging = false;
 
-                       if(s.isValid() && s.listname == "craftpreview")
-                       {
+                       if(s.isValid() && s.listname == "craftpreview") {
                                // Craft preview has been clicked: craft
                                craft_amount = (button == 2 ? 10 : 1);
                        }
-                       else if(m_selected_item == NULL)
-                       {
-                               if(s_count != 0)
-                               {
+                       else if(m_selected_item == NULL) {
+                               if(s_count != 0) {
                                        // Non-empty stack has been clicked: select it
                                        m_selected_item = new ItemSpec(s);
 
@@ -2492,12 +3057,10 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                                        m_selected_dragging = true;
                                }
                        }
-                       else  // m_selected_item != NULL
-                       {
+                       else { // m_selected_item != NULL
                                assert(m_selected_amount >= 1);
 
-                               if(s.isValid())
-                               {
+                               if(s.isValid()) {
                                        // Clicked a slot: move
                                        if(button == 1)  // right
                                                move_amount = 1;
@@ -2506,8 +3069,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                                        else  // left
                                                move_amount = m_selected_amount;
 
-                                       if(identical)
-                                       {
+                                       if(identical) {
                                                if(move_amount >= m_selected_amount)
                                                        m_selected_amount = 0;
                                                else
@@ -2515,8 +3077,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                                                move_amount = 0;
                                        }
                                }
-                               else if (!getAbsoluteClippingRect().isPointInside(m_pointer))
-                               {
+                               else if (!getAbsoluteClippingRect().isPointInside(m_pointer)) {
                                        // Clicked outside of the window: drop
                                        if(button == 1)  // right
                                                drop_amount = 1;
@@ -2527,24 +3088,20 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                                }
                        }
                }
-               else if(updown == 1)
-               {
+               else if(updown == 1) {
                        // Some mouse button has been released
 
                        //infostream<<"Mouse button "<<button<<" released at p=("
                        //      <<p.X<<","<<p.Y<<")"<<std::endl;
 
-                       if(m_selected_item != NULL && m_selected_dragging && s.isValid())
-                       {
-                               if(!identical)
-                               {
+                       if(m_selected_item != NULL && m_selected_dragging && s.isValid()) {
+                               if(!identical) {
                                        // Dragged to different slot: move all selected
                                        move_amount = m_selected_amount;
                                }
                        }
                        else if(m_selected_item != NULL && m_selected_dragging &&
-                               !(getAbsoluteClippingRect().isPointInside(m_pointer)))
-                       {
+                               !(getAbsoluteClippingRect().isPointInside(m_pointer))) {
                                // Dragged outside of window: drop all selected
                                drop_amount = m_selected_amount;
                        }
@@ -2572,8 +3129,8 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        ItemStack leftover = stack_to.addItem(stack_from, m_gamedef->idef());
                        // If source stack cannot be added to destination stack at all,
                        // they are swapped
-                       if(leftover.count == stack_from.count && leftover.name == stack_from.name)
-                       {
+                       if ((leftover.count == stack_from.count) &&
+                                       (leftover.name == stack_from.name)) {
                                m_selected_amount = stack_to.count;
                                // In case the server doesn't directly swap them but instead
                                // moves stack_to somewhere else, set this
@@ -2581,14 +3138,12 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                                m_selected_content_guess_inventory = s.inventoryloc;
                        }
                        // Source stack goes fully into destination stack
-                       else if(leftover.empty())
-                       {
+                       else if(leftover.empty()) {
                                m_selected_amount -= move_amount;
                                m_selected_content_guess = ItemStack(); // Clear
                        }
                        // Source stack goes partly into destination stack
-                       else
-                       {
+                       else {
                                move_amount -= leftover.count;
                                m_selected_amount -= move_amount;
                                m_selected_content_guess = ItemStack(); // Clear
@@ -2605,8 +3160,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        a->to_i = s.i;
                        m_invmgr->inventoryAction(a);
                }
-               else if(drop_amount > 0)
-               {
+               else if(drop_amount > 0) {
                        m_selected_content_guess = ItemStack(); // Clear
 
                        // Send IACTION_DROP
@@ -2630,8 +3184,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        a->from_i = m_selected_item->i;
                        m_invmgr->inventoryAction(a);
                }
-               else if(craft_amount > 0)
-               {
+               else if(craft_amount > 0) {
                        m_selected_content_guess = ItemStack(); // Clear
 
                        // Send IACTION_CRAFT
@@ -2647,8 +3200,7 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                }
 
                // If m_selected_amount has been decreased to zero, deselect
-               if(m_selected_amount == 0)
-               {
+               if(m_selected_amount == 0) {
                        delete m_selected_item;
                        m_selected_item = NULL;
                        m_selected_amount = 0;
@@ -2656,20 +3208,15 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        m_selected_content_guess = ItemStack();
                }
        }
-       if(event.EventType==EET_GUI_EVENT)
-       {
+       if(event.EventType==EET_GUI_EVENT) {
 
                if(event.GUIEvent.EventType==gui::EGET_TAB_CHANGED
-                                               && isVisible())
-               {
+                               && isVisible()) {
                        // find the element that was clicked
-                       for(u32 i=0; i<m_fields.size(); i++)
-                       {
+                       for(unsigned int i=0; i<m_fields.size(); i++) {
                                FieldSpec &s = m_fields[i];
-                               // if its a button, set the send field so
-                               // lua knows which button was pressed
-                               if ((s.ftype == f_TabHeader) && (s.fid == event.GUIEvent.Caller->getID()))
-                               {
+                               if ((s.ftype == f_TabHeader) &&
+                                               (s.fid == event.GUIEvent.Caller->getID())) {
                                        s.send = true;
                                        acceptInput();
                                        s.send = false;
@@ -2678,19 +3225,18 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        }
                }
                if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
-                               && isVisible())
-               {
-                       if(!canTakeFocus(event.GUIEvent.Element))
-                       {
+                               && isVisible()) {
+                       if(!canTakeFocus(event.GUIEvent.Element)) {
                                infostream<<"GUIFormSpecMenu: Not allowing focus change."
                                                <<std::endl;
                                // Returning true disables focus change
                                return true;
                        }
                }
-               if((event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED) ||
-                               (event.GUIEvent.EventType==gui::EGET_CHECKBOX_CHANGED))
-               {
+               if((event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) ||
+                               (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) ||
+                               (event.GUIEvent.EventType == gui::EGET_COMBO_BOX_CHANGED) ||
+                               (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED)) {
                        unsigned int btn_id = event.GUIEvent.Caller->getID();
 
                        if (btn_id == 257) {
@@ -2706,16 +3252,14 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        }
 
                        // find the element that was clicked
-                       for(u32 i=0; i<m_fields.size(); i++)
-                       {
+                       for(u32 i=0; i<m_fields.size(); i++) {
                                FieldSpec &s = m_fields[i];
                                // if its a button, set the send field so
                                // lua knows which button was pressed
                                if (((s.ftype == f_Button) || (s.ftype == f_CheckBox)) &&
-                                               (s.fid == event.GUIEvent.Caller->getID()))
-                               {
+                                               (s.fid == event.GUIEvent.Caller->getID())) {
                                        s.send = true;
-                                       if(s.is_exit){
+                                       if(s.is_exit) {
                                                if (m_allowclose) {
                                                        acceptInput(quit_mode_accept);
                                                        quitMenu();
@@ -2723,24 +3267,51 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                                                        m_text_dst->gotText(narrow_to_wide("ExitButton"));
                                                }
                                                return true;
-                                       }else{
-                                               acceptInput();
+                                       } else {
+                                               acceptInput(quit_mode_no);
                                                s.send = false;
                                                return true;
                                        }
                                }
+                               else if ((s.ftype == f_DropDown) &&
+                                               (s.fid == event.GUIEvent.Caller->getID())) {
+                                       // only send the changed dropdown
+                                       for(u32 i=0; i<m_fields.size(); i++) {
+                                               FieldSpec &s2 = m_fields[i];
+                                               if (s2.ftype == f_DropDown) {
+                                                       s2.send = false;
+                                               }
+                                       }
+                                       s.send = true;
+                                       acceptInput(quit_mode_no);
+
+                                       // revert configuration to make sure dropdowns are sent on
+                                       // regular button click
+                                       for(u32 i=0; i<m_fields.size(); i++) {
+                                               FieldSpec &s2 = m_fields[i];
+                                               if (s2.ftype == f_DropDown) {
+                                                       s2.send = true;
+                                               }
+                                       }
+                                       return true;
+                               }
+                               else if ((s.ftype == f_ScrollBar) &&
+                                       (s.fid == event.GUIEvent.Caller->getID()))
+                               {
+                                       s.fdefault = L"Changed";
+                                       acceptInput(quit_mode_no);
+                                       s.fdefault = L"";
+                               }
                        }
                }
-               if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
-               {
-                       if(event.GUIEvent.Caller->getID() > 257)
-                       {
+
+               if(event.GUIEvent.EventType == gui::EGET_EDITBOX_ENTER) {
+                       if(event.GUIEvent.Caller->getID() > 257) {
 
                                if (m_allowclose) {
                                        acceptInput(quit_mode_accept);
                                        quitMenu();
-                               }
-                               else {
+                               } else {
                                        current_keys_pending.key_enter = true;
                                        acceptInput();
                                }
@@ -2749,19 +3320,15 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
                        }
                }
 
-               if(event.GUIEvent.EventType==gui::EGET_TABLE_CHANGED)
-               {
+               if(event.GUIEvent.EventType == gui::EGET_TABLE_CHANGED) {
                        int current_id = event.GUIEvent.Caller->getID();
-                       if(current_id > 257)
-                       {
+                       if(current_id > 257) {
                                // find the element that was clicked
-                               for(u32 i=0; i<m_fields.size(); i++)
-                               {
+                               for(u32 i=0; i<m_fields.size(); i++) {
                                        FieldSpec &s = m_fields[i];
                                        // if it's a table, set the send field
                                        // so lua knows which table was changed
-                                       if ((s.ftype == f_Table) && (s.fid == current_id))
-                                       {
+                                       if ((s.ftype == f_Table) && (s.fid == current_id)) {
                                                s.send = true;
                                                acceptInput();
                                                s.send=false;
@@ -2775,6 +3342,38 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
        return Parent ? Parent->OnEvent(event) : false;
 }
 
+/**
+ * get name of element by element id
+ * @param id of element
+ * @return name string or empty string
+ */
+std::wstring GUIFormSpecMenu::getNameByID(s32 id)
+{
+       for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
+                               iter != m_fields.end(); iter++) {
+               if (iter->fid == id) {
+                       return iter->fname;
+               }
+       }
+       return L"";
+}
+
+/**
+ * get label of element by id
+ * @param id of element
+ * @return label string or empty string
+ */
+std::wstring GUIFormSpecMenu::getLabelByID(s32 id)
+{
+       for(std::vector<FieldSpec>::iterator iter =  m_fields.begin();
+                               iter != m_fields.end(); iter++) {
+               if (iter->fid == id) {
+                       return iter->flabel;
+               }
+       }
+       return L"";
+}
+
 bool GUIFormSpecMenu::parseColor(const std::string &value, video::SColor &color,
                bool quiet)
 {