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 GUITextInputMenu::GUITextInputMenu(gui::IGUIEnvironment* env,
  26                 gui::IGUIElement* parent, s32 id,
  27                 int *active_menu_count,
  28                 TextDest *dest,
  29                 std::wstring initial_text
  30 ):
  31         GUIModalMenu(env, parent, id, active_menu_count),
  32         m_dest(dest),
  33         m_initial_text(initial_text)
  34 {
  35 }
  36
  37 GUITextInputMenu::~GUITextInputMenu()
  38 {
  39         removeChildren();
  40 }
  41
  42 void GUITextInputMenu::removeChildren()
  43 {
  44         {
  45                 gui::IGUIElement *e = getElementFromId(256);
  46                 if(e != NULL)
  47                         e->remove();
  48         }
  49         {
  50                 gui::IGUIElement *e = getElementFromId(257);
  51                 if(e != NULL)
  52                         e->remove();
  53         }
  54 }
  55
  56 void GUITextInputMenu::regenerateGui(v2u32 screensize)
  57 {
  58         std::wstring text;
  59
  60         {
  61                 gui::IGUIElement *e = getElementFromId(256);
  62                 if(e != NULL)
  63                 {
  64                         text = e->getText();
  65                 }
  66                 else
  67                 {
  68                         text = m_initial_text;
  69                         m_initial_text = L"";
  70                 }
  71         }
  72
  73         /*
  74                 Remove stuff
  75         */
  76         removeChildren();
  77
  78         /*
  79                 Calculate new sizes and positions
  80         */
  81         core::rect<s32> rect(
  82                         screensize.X/2 - 580/2,
  83                         screensize.Y/2 - 300/2,
  84                         screensize.X/2 + 580/2,
  85                         screensize.Y/2 + 300/2
  86         );
  87
  88         DesiredRect = rect;
  89         recalculateAbsolutePosition(false);
  90
  91         v2s32 size = rect.getSize();
  92
  93         /*
  94                 Add stuff
  95         */
  96         {
  97                 core::rect<s32> rect(0, 0, 300, 30);
  98                 rect = rect + v2s32(size.X/2-300/2, size.Y/2-30/2-25);
  99                 gui::IGUIElement *e =
 100                 Environment->addEditBox(text.c_str(), rect, true, this, 256);
 101                 Environment->setFocus(e);
 102         }
 103         {
 104                 core::rect<s32> rect(0, 0, 140, 30);
 105                 rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
 106                 Environment->addButton(rect, this, 257, L"Proceed");
 107         }
 108 }
 109
 110 void GUITextInputMenu::drawMenu()
 111 {
 112         gui::IGUISkin* skin = Environment->getSkin();
 113         if (!skin)
 114                 return;
 115         video::IVideoDriver* driver = Environment->getVideoDriver();
 116
 117         video::SColor bgcolor(140,0,0,0);
 118         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 119
 120         gui::IGUIElement::draw();
 121 }
 122
 123 bool GUITextInputMenu::OnEvent(const SEvent& event)
 124 {
 125         if(event.EventType==EET_KEY_INPUT_EVENT)
 126         {
 127                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 128                 {
 129                         quitMenu();
 130                         return true;
 131                 }
 132         }
 133         if(event.EventType==EET_GUI_EVENT)
 134         {
 135                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 136                                 && isVisible())
 137                 {
 138                         if(!canTakeFocus(event.GUIEvent.Element))
 139                         {
 140                                 dstream<<"GUITextInputMenu: Not allowing focus change."
 141                                                 <<std::endl;
 142                                 // Returning true disables focus change
 143                                 return true;
 144                         }
 145                 }
 146                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 147                 {
 148                         switch(event.GUIEvent.Caller->getID())
 149                         {
 150                         case 257:
 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                                 }
 160                                 quitMenu();
 161                                 break;
 162                         }
 163                 }
 164         }
 165
 166         return Parent ? Parent->OnEvent(event) : false;
 167 }
 168