src/guiTextInputMenu.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "guiTextInputMenu.h"
  21 #include "debug.h"
  22 #include "serialization.h"
  23 #include <string>
  24
  25 #include "gettext.h"
  26
  27 GUITextInputMenu::GUITextInputMenu(gui::IGUIEnvironment* env,
  28                 gui::IGUIElement* parent, s32 id,
  29                 IMenuManager *menumgr,
  30                 TextDest *dest,
  31                 std::wstring initial_text
  32 ):
  33         GUIModalMenu(env, parent, id, menumgr),
  34         m_dest(dest),
  35         m_initial_text(initial_text)
  36 {
  37 }
  38
  39 GUITextInputMenu::~GUITextInputMenu()
  40 {
  41         removeChildren();
  42         if(m_dest)
  43                 delete m_dest;
  44 }
  45
  46 void GUITextInputMenu::removeChildren()
  47 {
  48         {
  49                 gui::IGUIElement *e = getElementFromId(256);
  50                 if(e != NULL)
  51                         e->remove();
  52         }
  53         {
  54                 gui::IGUIElement *e = getElementFromId(257);
  55                 if(e != NULL)
  56                         e->remove();
  57         }
  58 }
  59
  60 void GUITextInputMenu::regenerateGui(v2u32 screensize)
  61 {
  62         std::wstring text;
  63
  64         {
  65                 gui::IGUIElement *e = getElementFromId(256);
  66                 if(e != NULL)
  67                 {
  68                         text = e->getText();
  69                 }
  70                 else
  71                 {
  72                         text = m_initial_text;
  73                         m_initial_text = L"";
  74                 }
  75         }
  76
  77         /*
  78                 Remove stuff
  79         */
  80         removeChildren();
  81
  82         /*
  83                 Calculate new sizes and positions
  84         */
  85         core::rect<s32> rect(
  86                         screensize.X/2 - 580/2,
  87                         screensize.Y/2 - 300/2,
  88                         screensize.X/2 + 580/2,
  89                         screensize.Y/2 + 300/2
  90         );
  91
  92         DesiredRect = rect;
  93         recalculateAbsolutePosition(false);
  94
  95         v2s32 size = rect.getSize();
  96
  97         /*
  98                 Add stuff
  99         */
 100         {
 101                 core::rect<s32> rect(0, 0, 300, 30);
 102                 rect = rect + v2s32(size.X/2-300/2, size.Y/2-30/2-25);
 103                 gui::IGUIElement *e =
 104                 Environment->addEditBox(text.c_str(), rect, true, this, 256);
 105                 Environment->setFocus(e);
 106
 107                 irr::SEvent evt;
 108                 evt.EventType = EET_KEY_INPUT_EVENT;
 109                 evt.KeyInput.Key = KEY_END;
 110                 evt.KeyInput.PressedDown = true;
 111                 e->OnEvent(evt);
 112         }
 113         changeCtype("");
 114         {
 115                 core::rect<s32> rect(0, 0, 140, 30);
 116                 rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
 117                 Environment->addButton(rect, this, 257,
 118                         wgettext("Proceed"));
 119         }
 120         changeCtype("C");
 121 }
 122
 123 void GUITextInputMenu::drawMenu()
 124 {
 125         gui::IGUISkin* skin = Environment->getSkin();
 126         if (!skin)
 127                 return;
 128         video::IVideoDriver* driver = Environment->getVideoDriver();
 129
 130         video::SColor bgcolor(140,0,0,0);
 131         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 132
 133         gui::IGUIElement::draw();
 134 }
 135
 136 void GUITextInputMenu::acceptInput()
 137 {
 138         if(m_dest)
 139         {
 140                 gui::IGUIElement *e = getElementFromId(256);
 141                 if(e != NULL)
 142                 {
 143                         m_dest->gotText(e->getText());
 144                 }
 145                 delete m_dest;
 146                 m_dest = NULL;
 147         }
 148 }
 149
 150 bool GUITextInputMenu::OnEvent(const SEvent& event)
 151 {
 152         if(event.EventType==EET_KEY_INPUT_EVENT)
 153         {
 154                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 155                 {
 156                         quitMenu();
 157                         return true;
 158                 }
 159                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 160                 {
 161                         acceptInput();
 162                         quitMenu();
 163                         return true;
 164                 }
 165         }
 166         if(event.EventType==EET_GUI_EVENT)
 167         {
 168                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 169                                 && isVisible())
 170                 {
 171                         if(!canTakeFocus(event.GUIEvent.Element))
 172                         {
 173                                 dstream<<"GUITextInputMenu: Not allowing focus change."
 174                                                 <<std::endl;
 175                                 // Returning true disables focus change
 176                                 return true;
 177                         }
 178                 }
 179                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 180                 {
 181                         switch(event.GUIEvent.Caller->getID())
 182                         {
 183                         case 257:
 184                                 acceptInput();
 185                                 quitMenu();
 186                                 // quitMenu deallocates menu
 187                                 return true;
 188                         }
 189                 }
 190                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
 191                 {
 192                         switch(event.GUIEvent.Caller->getID())
 193                         {
 194                         case 256:
 195                                 acceptInput();
 196                                 quitMenu();
 197                                 // quitMenu deallocates menu
 198                                 return true;
 199                         }
 200                 }
 201         }
 202
 203         return Parent ? Parent->OnEvent(event) : false;
 204 }
 205