src/guiCreateWorld.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "guiCreateWorld.h"
  21 #include "debug.h"
  22 #include "serialization.h"
  23 #include <string>
  24 #include <IGUICheckBox.h>
  25 #include <IGUIEditBox.h>
  26 #include <IGUIButton.h>
  27 #include <IGUIStaticText.h>
  28 #include <IGUIFont.h>
  29 #include <IGUIListBox.h>
  30 #include "gettext.h"
  31 #include "util/string.h"
  32
  33 enum
  34 {
  35         GUI_ID_NAME_INPUT = 101,
  36         GUI_ID_GAME_LISTBOX,
  37         GUI_ID_CREATE,
  38         GUI_ID_CANCEL
  39 };
  40
  41 GUICreateWorld::GUICreateWorld(gui::IGUIEnvironment* env,
  42                 gui::IGUIElement* parent, s32 id,
  43                 IMenuManager *menumgr,
  44                 CreateWorldDest *dest,
  45                 const std::vector<SubgameSpec> &games
  46 ):
  47         GUIModalMenu(env, parent, id, menumgr),
  48         m_dest(dest),
  49         m_games(games)
  50 {
  51         assert(games.size() > 0);
  52 }
  53
  54 GUICreateWorld::~GUICreateWorld()
  55 {
  56         removeChildren();
  57         if(m_dest)
  58                 delete m_dest;
  59 }
  60
  61 void GUICreateWorld::removeChildren()
  62 {
  63         const core::list<gui::IGUIElement*> &children = getChildren();
  64         core::list<gui::IGUIElement*> children_copy;
  65         for(core::list<gui::IGUIElement*>::ConstIterator
  66                         i = children.begin(); i != children.end(); i++)
  67         {
  68                 children_copy.push_back(*i);
  69         }
  70         for(core::list<gui::IGUIElement*>::Iterator
  71                         i = children_copy.begin();
  72                         i != children_copy.end(); i++)
  73         {
  74                 (*i)->remove();
  75         }
  76 }
  77
  78 void GUICreateWorld::regenerateGui(v2u32 screensize)
  79 {
  80         std::wstring name = L"";
  81
  82         {
  83                 gui::IGUIElement *e = getElementFromId(GUI_ID_NAME_INPUT);
  84                 if(e != NULL)
  85                         name = e->getText();
  86         }
  87
  88         /*
  89                 Remove stuff
  90         */
  91         removeChildren();
  92
  93         /*
  94                 Calculate new sizes and positions
  95         */
  96         core::rect<s32> rect(
  97                         screensize.X/2 - 580/2,
  98                         screensize.Y/2 - 300/2,
  99                         screensize.X/2 + 580/2,
 100                         screensize.Y/2 + 300/2
 101         );
 102
 103         DesiredRect = rect;
 104         recalculateAbsolutePosition(false);
 105
 106         v2s32 size = rect.getSize();
 107
 108         v2s32 topleft = v2s32(10+80, 10+70);
 109
 110         /*
 111                 Add stuff
 112         */
 113         {
 114                 core::rect<s32> rect(0, 0, 100, 20);
 115                 rect += v2s32(0, 5) + topleft;
 116                 wchar_t* text = wgettext("World name");
 117                 Environment->addStaticText(text, rect, false, true, this, -1);
 118                 delete[] text;
 119         }
 120         {
 121                 core::rect<s32> rect(0, 0, 300, 30);
 122                 rect = rect + v2s32(100, 0) + topleft;
 123                 gui::IGUIElement *e =
 124                 Environment->addEditBox(name.c_str(), rect, true, this, GUI_ID_NAME_INPUT);
 125                 Environment->setFocus(e);
 126
 127                 irr::SEvent evt;
 128                 evt.EventType = EET_KEY_INPUT_EVENT;
 129                 evt.KeyInput.Key = KEY_END;
 130                 evt.KeyInput.PressedDown = true;
 131                 e->OnEvent(evt);
 132         }
 133         {
 134                 core::rect<s32> rect(0, 0, 100, 20);
 135                 rect += v2s32(0, 40+5) + topleft;
 136                 wchar_t* text = wgettext("Game");
 137                 Environment->addStaticText(text, rect, false, true, this, -1);
 138                 delete[] text;
 139         }
 140         {
 141                 core::rect<s32> rect(0, 0, 300, 80);
 142                 rect += v2s32(100, 40) + topleft;
 143                 gui::IGUIListBox *e = Environment->addListBox(rect, this,
 144                                 GUI_ID_GAME_LISTBOX);
 145                 e->setDrawBackground(true);
 146                 for(u32 i=0; i<m_games.size(); i++){
 147                         std::wostringstream os(std::ios::binary);
 148                         os<<narrow_to_wide(m_games[i].name).c_str();
 149                         os<<L" [";
 150                         os<<narrow_to_wide(m_games[i].id).c_str();
 151                         os<<L"]";
 152                         e->addItem(os.str().c_str());
 153                 }
 154                 e->setSelected(0);
 155         }
 156         changeCtype("");
 157         {
 158                 core::rect<s32> rect(0, 0, 120, 30);
 159                 rect = rect + v2s32(170, 140) + topleft;
 160                 wchar_t* text = wgettext("Create");
 161                 Environment->addButton(rect, this, GUI_ID_CREATE,
 162                         text);
 163                 delete[] text;
 164         }
 165         {
 166                 core::rect<s32> rect(0, 0, 120, 30);
 167                 rect = rect + v2s32(300, 140) + topleft;
 168                 wchar_t* text = wgettext("Cancel");
 169                 Environment->addButton(rect, this, GUI_ID_CANCEL,
 170                         text);
 171                 delete [] text;
 172         }
 173         changeCtype("C");
 174 }
 175
 176 void GUICreateWorld::drawMenu()
 177 {
 178         gui::IGUISkin* skin = Environment->getSkin();
 179         if (!skin)
 180                 return;
 181         video::IVideoDriver* driver = Environment->getVideoDriver();
 182
 183         video::SColor bgcolor(140,0,0,0);
 184         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 185
 186         gui::IGUIElement::draw();
 187 }
 188
 189 void GUICreateWorld::acceptInput()
 190 {
 191         if(m_dest)
 192         {
 193                 int selected = -1;
 194                 {
 195                         gui::IGUIElement *e = getElementFromId(GUI_ID_GAME_LISTBOX);
 196                         if(e != NULL && e->getType() == gui::EGUIET_LIST_BOX)
 197                                 selected = ((gui::IGUIListBox*)e)->getSelected();
 198                 }
 199                 std::wstring name;
 200                 {
 201                         gui::IGUIElement *e = getElementFromId(GUI_ID_NAME_INPUT);
 202                         if(e != NULL)
 203                                 name = e->getText();
 204                 }
 205                 if(selected != -1 && name != L"")
 206                         m_dest->accepted(name, m_games[selected].id);
 207                 delete m_dest;
 208                 m_dest = NULL;
 209         }
 210 }
 211
 212 bool GUICreateWorld::OnEvent(const SEvent& event)
 213 {
 214         if(event.EventType==EET_KEY_INPUT_EVENT)
 215         {
 216                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 217                 {
 218                         quitMenu();
 219                         return true;
 220                 }
 221                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 222                 {
 223                         acceptInput();
 224                         quitMenu();
 225                         return true;
 226                 }
 227         }
 228         if(event.EventType==EET_GUI_EVENT)
 229         {
 230                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 231                                 && isVisible())
 232                 {
 233                         if(!canTakeFocus(event.GUIEvent.Element))
 234                         {
 235                                 dstream<<"GUICreateWorld: Not allowing focus change."
 236                                                 <<std::endl;
 237                                 // Returning true disables focus change
 238                                 return true;
 239                         }
 240                 }
 241                 bool accept_input = false;
 242                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED){
 243                         switch(event.GUIEvent.Caller->getID()){
 244                         case GUI_ID_CANCEL:
 245                                 quitMenu();
 246                                 return true;
 247                                 break;
 248                         case GUI_ID_CREATE:
 249                                 accept_input = true;
 250                                 break;
 251                         }
 252                 }
 253                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER){
 254                         switch(event.GUIEvent.Caller->getID()){
 255                         case GUI_ID_NAME_INPUT:
 256                                 accept_input = true;
 257                                 break;
 258                         }
 259                 }
 260                 if(accept_input){
 261                         acceptInput();
 262                         quitMenu();
 263                         // quitMenu deallocates menu
 264                         return true;
 265                 }
 266         }
 267
 268         return Parent ? Parent->OnEvent(event) : false;
 269 }
 270