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         {
 108                 core::rect<s32> rect(0, 0, 140, 30);
 109                 rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
 110                 Environment->addButton(rect, this, 257,
 111                         chartowchar_t(gettext("Proceed")));
 112         }
 113 }
 114
 115 void GUITextInputMenu::drawMenu()
 116 {
 117         gui::IGUISkin* skin = Environment->getSkin();
 118         if (!skin)
 119                 return;
 120         video::IVideoDriver* driver = Environment->getVideoDriver();
 121
 122         video::SColor bgcolor(140,0,0,0);
 123         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 124
 125         gui::IGUIElement::draw();
 126 }
 127
 128 void GUITextInputMenu::acceptInput()
 129 {
 130         if(m_dest)
 131         {
 132                 gui::IGUIElement *e = getElementFromId(256);
 133                 if(e != NULL)
 134                 {
 135                         m_dest->gotText(e->getText());
 136                 }
 137                 delete m_dest;
 138                 m_dest = NULL;
 139         }
 140 }
 141
 142 bool GUITextInputMenu::OnEvent(const SEvent& event)
 143 {
 144         if(event.EventType==EET_KEY_INPUT_EVENT)
 145         {
 146                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 147                 {
 148                         quitMenu();
 149                         return true;
 150                 }
 151                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 152                 {
 153                         acceptInput();
 154                         quitMenu();
 155                         return true;
 156                 }
 157         }
 158         if(event.EventType==EET_GUI_EVENT)
 159         {
 160                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 161                                 && isVisible())
 162                 {
 163                         if(!canTakeFocus(event.GUIEvent.Element))
 164                         {
 165                                 dstream<<"GUITextInputMenu: Not allowing focus change."
 166                                                 <<std::endl;
 167                                 // Returning true disables focus change
 168                                 return true;
 169                         }
 170                 }
 171                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 172                 {
 173                         switch(event.GUIEvent.Caller->getID())
 174                         {
 175                         case 257:
 176                                 acceptInput();
 177                                 quitMenu();
 178                                 // quitMenu deallocates menu
 179                                 return true;
 180                         }
 181                 }
 182                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
 183                 {
 184                         switch(event.GUIEvent.Caller->getID())
 185                         {
 186                         case 256:
 187                                 acceptInput();
 188                                 quitMenu();
 189                                 // quitMenu deallocates menu
 190                                 return true;
 191                         }
 192                 }
 193         }
 194
 195         return Parent ? Parent->OnEvent(event) : false;
 196 }
 197