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                 Environment->addStaticText(wgettext("World name"),
 117                         rect, false, true, this, -1);
 118         }
 119         {
 120                 core::rect<s32> rect(0, 0, 300, 30);
 121                 rect = rect + v2s32(100, 0) + topleft;
 122                 gui::IGUIElement *e =
 123                 Environment->addEditBox(name.c_str(), rect, true, this, GUI_ID_NAME_INPUT);
 124                 Environment->setFocus(e);
 125
 126                 irr::SEvent evt;
 127                 evt.EventType = EET_KEY_INPUT_EVENT;
 128                 evt.KeyInput.Key = KEY_END;
 129                 evt.KeyInput.PressedDown = true;
 130                 e->OnEvent(evt);
 131         }
 132         {
 133                 core::rect<s32> rect(0, 0, 100, 20);
 134                 rect += v2s32(0, 40+5) + topleft;
 135                 Environment->addStaticText(wgettext("Game"),
 136                         rect, false, true, this, -1);
 137         }
 138         {
 139                 core::rect<s32> rect(0, 0, 300, 80);
 140                 rect += v2s32(100, 40) + topleft;
 141                 gui::IGUIListBox *e = Environment->addListBox(rect, this,
 142                                 GUI_ID_GAME_LISTBOX);
 143                 e->setDrawBackground(true);
 144                 for(u32 i=0; i<m_games.size(); i++){
 145                         std::wostringstream os(std::ios::binary);
 146                         os<<narrow_to_wide(m_games[i].name).c_str();
 147                         os<<L" [";
 148                         os<<narrow_to_wide(m_games[i].id).c_str();
 149                         os<<L"]";
 150                         e->addItem(os.str().c_str());
 151                 }
 152                 e->setSelected(0);
 153         }
 154         changeCtype("");
 155         {
 156                 core::rect<s32> rect(0, 0, 120, 30);
 157                 rect = rect + v2s32(170, 140) + topleft;
 158                 Environment->addButton(rect, this, GUI_ID_CREATE,
 159                         wgettext("Create"));
 160         }
 161         {
 162                 core::rect<s32> rect(0, 0, 120, 30);
 163                 rect = rect + v2s32(300, 140) + topleft;
 164                 Environment->addButton(rect, this, GUI_ID_CANCEL,
 165                         wgettext("Cancel"));
 166         }
 167         changeCtype("C");
 168 }
 169
 170 void GUICreateWorld::drawMenu()
 171 {
 172         gui::IGUISkin* skin = Environment->getSkin();
 173         if (!skin)
 174                 return;
 175         video::IVideoDriver* driver = Environment->getVideoDriver();
 176
 177         video::SColor bgcolor(140,0,0,0);
 178         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 179
 180         gui::IGUIElement::draw();
 181 }
 182
 183 void GUICreateWorld::acceptInput()
 184 {
 185         if(m_dest)
 186         {
 187                 int selected = -1;
 188                 {
 189                         gui::IGUIElement *e = getElementFromId(GUI_ID_GAME_LISTBOX);
 190                         if(e != NULL && e->getType() == gui::EGUIET_LIST_BOX)
 191                                 selected = ((gui::IGUIListBox*)e)->getSelected();
 192                 }
 193                 std::wstring name;
 194                 {
 195                         gui::IGUIElement *e = getElementFromId(GUI_ID_NAME_INPUT);
 196                         if(e != NULL)
 197                                 name = e->getText();
 198                 }
 199                 if(selected != -1 && name != L"")
 200                         m_dest->accepted(name, m_games[selected].id);
 201                 delete m_dest;
 202                 m_dest = NULL;
 203         }
 204 }
 205
 206 bool GUICreateWorld::OnEvent(const SEvent& event)
 207 {
 208         if(event.EventType==EET_KEY_INPUT_EVENT)
 209         {
 210                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 211                 {
 212                         quitMenu();
 213                         return true;
 214                 }
 215                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 216                 {
 217                         acceptInput();
 218                         quitMenu();
 219                         return true;
 220                 }
 221         }
 222         if(event.EventType==EET_GUI_EVENT)
 223         {
 224                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 225                                 && isVisible())
 226                 {
 227                         if(!canTakeFocus(event.GUIEvent.Element))
 228                         {
 229                                 dstream<<"GUICreateWorld: Not allowing focus change."
 230                                                 <<std::endl;
 231                                 // Returning true disables focus change
 232                                 return true;
 233                         }
 234                 }
 235                 bool accept_input = false;
 236                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED){
 237                         switch(event.GUIEvent.Caller->getID()){
 238                         case GUI_ID_CANCEL:
 239                                 quitMenu();
 240                                 return true;
 241                                 break;
 242                         case GUI_ID_CREATE:
 243                                 accept_input = true;
 244                                 break;
 245                         }
 246                 }
 247                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER){
 248                         switch(event.GUIEvent.Caller->getID()){
 249                         case GUI_ID_NAME_INPUT:
 250                                 accept_input = true;
 251                                 break;
 252                         }
 253                 }
 254                 if(accept_input){
 255                         acceptInput();
 256                         quitMenu();
 257                         // quitMenu deallocates menu
 258                         return true;
 259                 }
 260         }
 261
 262         return Parent ? Parent->OnEvent(event) : false;
 263 }
 264