src/guiTextInputMenu.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 "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 #if USE_FREETYPE
  33 #include "intlGUIEditBox.h"
  34 #endif
  35
  36 GUITextInputMenu::GUITextInputMenu(gui::IGUIEnvironment* env,
  37                 gui::IGUIElement* parent, s32 id,
  38                 IMenuManager *menumgr,
  39                 TextDest *dest,
  40                 std::wstring initial_text
  41 ):
  42         GUIModalMenu(env, parent, id, menumgr),
  43         m_dest(dest),
  44         m_initial_text(initial_text)
  45 {
  46 }
  47
  48 GUITextInputMenu::~GUITextInputMenu()
  49 {
  50         removeChildren();
  51         if(m_dest)
  52                 delete m_dest;
  53 }
  54
  55 void GUITextInputMenu::removeChildren()
  56 {
  57         {
  58                 gui::IGUIElement *e = getElementFromId(256);
  59                 if(e != NULL)
  60                         e->remove();
  61         }
  62         {
  63                 gui::IGUIElement *e = getElementFromId(257);
  64                 if(e != NULL)
  65                         e->remove();
  66         }
  67 }
  68
  69 void GUITextInputMenu::regenerateGui(v2u32 screensize)
  70 {
  71         std::wstring text;
  72
  73         {
  74                 gui::IGUIElement *e = getElementFromId(256);
  75                 if(e != NULL)
  76                 {
  77                         text = e->getText();
  78                 }
  79                 else
  80                 {
  81                         text = m_initial_text;
  82                         m_initial_text = L"";
  83                 }
  84         }
  85
  86         /*
  87                 Remove stuff
  88         */
  89         removeChildren();
  90
  91         /*
  92                 Calculate new sizes and positions
  93         */
  94         core::rect<s32> rect(
  95                         screensize.X/2 - 580/2,
  96                         screensize.Y/2 - 300/2,
  97                         screensize.X/2 + 580/2,
  98                         screensize.Y/2 + 300/2
  99         );
 100
 101         DesiredRect = rect;
 102         recalculateAbsolutePosition(false);
 103
 104         v2s32 size = rect.getSize();
 105
 106         /*
 107                 Add stuff
 108         */
 109         {
 110                 core::rect<s32> rect(0, 0, 300, 30);
 111                 rect = rect + v2s32(size.X/2-300/2, size.Y/2-30/2-25);
 112                 #if USE_FREETYPE
 113                 gui::IGUIElement *e = (gui::IGUIElement *) new gui::intlGUIEditBox(text.c_str(), true, Environment, this, 256, rect);
 114                 e->drop();
 115                 #else
 116                 gui::IGUIElement *e = Environment->addEditBox(text.c_str(), rect, true, this, 256);
 117                 #endif
 118                 Environment->setFocus(e);
 119
 120                 irr::SEvent evt;
 121                 evt.EventType = EET_KEY_INPUT_EVENT;
 122                 evt.KeyInput.Key = KEY_END;
 123                 evt.KeyInput.PressedDown = true;
 124                 e->OnEvent(evt);
 125         }
 126         changeCtype("");
 127         {
 128                 core::rect<s32> rect(0, 0, 140, 30);
 129                 rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
 130                 Environment->addButton(rect, this, 257,
 131                         wgettext("Proceed"));
 132         }
 133         changeCtype("C");
 134 }
 135
 136 void GUITextInputMenu::drawMenu()
 137 {
 138         gui::IGUISkin* skin = Environment->getSkin();
 139         if (!skin)
 140                 return;
 141         video::IVideoDriver* driver = Environment->getVideoDriver();
 142
 143         video::SColor bgcolor(140,0,0,0);
 144         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 145
 146         gui::IGUIElement::draw();
 147 }
 148
 149 void GUITextInputMenu::acceptInput()
 150 {
 151         if(m_dest)
 152         {
 153                 gui::IGUIElement *e = getElementFromId(256);
 154                 if(e != NULL)
 155                 {
 156                         m_dest->gotText(e->getText());
 157                 }
 158                 delete m_dest;
 159                 m_dest = NULL;
 160         }
 161 }
 162
 163 bool GUITextInputMenu::OnEvent(const SEvent& event)
 164 {
 165         if(event.EventType==EET_KEY_INPUT_EVENT)
 166         {
 167                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 168                 {
 169                         quitMenu();
 170                         return true;
 171                 }
 172                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 173                 {
 174                         acceptInput();
 175                         quitMenu();
 176                         return true;
 177                 }
 178         }
 179         if(event.EventType==EET_GUI_EVENT)
 180         {
 181                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 182                                 && isVisible())
 183                 {
 184                         if(!canTakeFocus(event.GUIEvent.Element))
 185                         {
 186                                 dstream<<"GUITextInputMenu: Not allowing focus change."
 187                                                 <<std::endl;
 188                                 // Returning true disables focus change
 189                                 return true;
 190                         }
 191                 }
 192                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 193                 {
 194                         switch(event.GUIEvent.Caller->getID())
 195                         {
 196                         case 257:
 197                                 acceptInput();
 198                                 quitMenu();
 199                                 // quitMenu deallocates menu
 200                                 return true;
 201                         }
 202                 }
 203                 if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
 204                 {
 205                         switch(event.GUIEvent.Caller->getID())
 206                         {
 207                         case 256:
 208                                 acceptInput();
 209                                 quitMenu();
 210                                 // quitMenu deallocates menu
 211                                 return true;
 212                         }
 213                 }
 214         }
 215
 216         return Parent ? Parent->OnEvent(event) : false;
 217 }
 218