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 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 "guiTextInputMenu.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
  30 #include "gettext.h"
  31
  32 GUITextInputMenu::GUITextInputMenu(gui::IGUIEnvironment* env,
  33                 gui::IGUIElement* parent, s32 id,
  34                 IMenuManager *menumgr,
  35                 TextDest *dest,
  36                 std::wstring initial_text
  37 ):
  38         GUIModalMenu(env, parent, id, menumgr),
  39         m_dest(dest),
  40         m_initial_text(initial_text)
  41 {
  42 }
  43
  44 GUITextInputMenu::~GUITextInputMenu()
  45 {
  46         removeChildren();
  47         if(m_dest)
  48                 delete m_dest;
  49 }
  50
  51 void GUITextInputMenu::removeChildren()
  52 {
  53         {
  54                 gui::IGUIElement *e = getElementFromId(256);
  55                 if(e != NULL)
  56                         e->remove();
  57         }
  58         {
  59                 gui::IGUIElement *e = getElementFromId(257);
  60                 if(e != NULL)
  61                         e->remove();
  62         }
  63 }
  64
  65 void GUITextInputMenu::regenerateGui(v2u32 screensize)
  66 {
  67         std::wstring text;
  68
  69         {
  70                 gui::IGUIElement *e = getElementFromId(256);
  71                 if(e != NULL)
  72                 {
  73                         text = e->getText();
  74                 }
  75                 else
  76                 {
  77                         text = m_initial_text;
  78                         m_initial_text = L"";
  79                 }
  80         }
  81
  82         /*
  83                 Remove stuff
  84         */
  85         removeChildren();
  86
  87         /*
  88                 Calculate new sizes and positions
  89         */
  90         core::rect<s32> rect(
  91                         screensize.X/2 - 580/2,
  92                         screensize.Y/2 - 300/2,
  93                         screensize.X/2 + 580/2,
  94                         screensize.Y/2 + 300/2
  95         );
  96
  97         DesiredRect = rect;
  98         recalculateAbsolutePosition(false);
  99
 100         v2s32 size = rect.getSize();
 101
 102         /*
 103                 Add stuff
 104         */
 105         {
 106                 core::rect<s32> rect(0, 0, 300, 30);
 107                 rect = rect + v2s32(size.X/2-300/2, size.Y/2-30/2-25);
 108                 gui::IGUIElement *e =
 109                 Environment->addEditBox(text.c_str(), rect, true, this, 256);
 110                 Environment->setFocus(e);
 111
 112                 irr::SEvent evt;
 113                 evt.EventType = EET_KEY_INPUT_EVENT;
 114                 evt.KeyInput.Key = KEY_END;
 115                 evt.KeyInput.PressedDown = true;
 116                 e->OnEvent(evt);
 117         }
 118         changeCtype("");
 119         {
 120                 core::rect<s32> rect(0, 0, 140, 30);
 121                 rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
 122                 Environment->addButton(rect, this, 257,
 123                         wgettext("Proceed"));
 124         }
 125         changeCtype("C");
 126 }
 127
 128 void GUITextInputMenu::drawMenu()
 129 {
 130         gui::IGUISkin* skin = Environment->getSkin();
 131         if (!skin)
 132                 return;
 133         video::IVideoDriver* driver = Environment->getVideoDriver();
 134
 135         video::SColor bgcolor(140,0,0,0);
 136         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 137
 138         gui::IGUIElement::draw();
 139 }
 140
 141 void GUITextInputMenu::acceptInput()
 142 {
 143         if(m_dest)
 144         {
 145                 gui::IGUIElement *e = getElementFromId(256);
 146                 if(e != NULL)
 147                 {
 148                         m_dest->gotText(e->getText());
 149                 }
 150                 delete m_dest;
 151                 m_dest = NULL;
 152         }
 153 }
 154
 155 bool GUITextInputMenu::OnEvent(const SEvent& event)
 156 {
 157         if(event.EventType==EET_KEY_INPUT_EVENT)
 158         {
 159                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 160                 {
 161                         quitMenu();
 162                         return true;
 163                 }
 164                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 165                 {
 166                         acceptInput();
 167                         quitMenu();
 168                         return true;
 169                 }
 170         }
 171         if(event.EventType==EET_GUI_EVENT)
 172         {
 173                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 174                                 && isVisible())
 175                 {
 176                         if(!canTakeFocus(event.GUIEvent.Element))
 177                         {
 178                                 dstream<<"GUITextInputMenu: Not allowing focus change."
 179                                                 <<std::endl;
 180                                 // Returning true disables focus change
 181                                 return true;
 182                         }
 183                 }
 184                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 185                 {
 186                         switch(event.GUIEvent.Caller->getID())
 187                         {
 188                         case 257:
 189                                 acceptInput();
 190                                 quitMenu();
 191                                 // quitMenu deallocates menu
 192                                 return true;
 193                         }
 194                 }
 195                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
 196                 {
 197                         switch(event.GUIEvent.Caller->getID())
 198                         {
 199                         case 256:
 200                                 acceptInput();
 201                                 quitMenu();
 202                                 // quitMenu deallocates menu
 203                                 return true;
 204                         }
 205                 }
 206         }
 207
 208         return Parent ? Parent->OnEvent(event) : false;
 209 }
 210