src/guiMessageMenu.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 "guiMessageMenu.h"
  21 #include "debug.h"
  22 #include "serialization.h"
  23 #include <string>
  24
  25 GUIMessageMenu::GUIMessageMenu(gui::IGUIEnvironment* env,
  26                 gui::IGUIElement* parent, s32 id,
  27                 IMenuManager *menumgr,
  28                 std::wstring message_text
  29 ):
  30         GUIModalMenu(env, parent, id, menumgr),
  31         m_message_text(message_text),
  32         m_status(false)
  33 {
  34 }
  35
  36 GUIMessageMenu::~GUIMessageMenu()
  37 {
  38         removeChildren();
  39 }
  40
  41 void GUIMessageMenu::removeChildren()
  42 {
  43         {
  44                 gui::IGUIElement *e = getElementFromId(256);
  45                 if(e != NULL)
  46                         e->remove();
  47         }
  48         {
  49                 gui::IGUIElement *e = getElementFromId(257);
  50                 if(e != NULL)
  51                         e->remove();
  52         }
  53 }
  54
  55 void GUIMessageMenu::regenerateGui(v2u32 screensize)
  56 {
  57         /*
  58                 Remove stuff
  59         */
  60         removeChildren();
  61
  62         /*
  63                 Calculate new sizes and positions
  64         */
  65         core::rect<s32> rect(
  66                         screensize.X/2 - 580/2,
  67                         screensize.Y/2 - 300/2,
  68                         screensize.X/2 + 580/2,
  69                         screensize.Y/2 + 300/2
  70         );
  71
  72         DesiredRect = rect;
  73         recalculateAbsolutePosition(false);
  74
  75         v2s32 size = rect.getSize();
  76
  77         /*
  78                 Add stuff
  79         */
  80         {
  81                 core::rect<s32> rect(0, 0, 400, 50);
  82                 rect = rect + v2s32(size.X/2-400/2, size.Y/2-50/2-25);
  83                 Environment->addStaticText(m_message_text.c_str(), rect, false,
  84                                 true, this, 256);
  85         }
  86         {
  87                 core::rect<s32> rect(0, 0, 140, 30);
  88                 rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
  89                 gui::IGUIElement *e =
  90                 Environment->addButton(rect, this, 257, L"Proceed");
  91                 Environment->setFocus(e);
  92         }
  93 }
  94
  95 void GUIMessageMenu::drawMenu()
  96 {
  97         gui::IGUISkin* skin = Environment->getSkin();
  98         if (!skin)
  99                 return;
 100         video::IVideoDriver* driver = Environment->getVideoDriver();
 101
 102         video::SColor bgcolor(140,0,0,0);
 103         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 104
 105         gui::IGUIElement::draw();
 106 }
 107
 108 bool GUIMessageMenu::OnEvent(const SEvent& event)
 109 {
 110         if(event.EventType==EET_KEY_INPUT_EVENT)
 111         {
 112                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 113                 {
 114                         m_status = true;
 115                         quitMenu();
 116                         return true;
 117                 }
 118                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 119                 {
 120                         m_status = true;
 121                         quitMenu();
 122                         return true;
 123                 }
 124         }
 125         if(event.EventType==EET_GUI_EVENT)
 126         {
 127                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 128                                 && isVisible())
 129                 {
 130                         if(!canTakeFocus(event.GUIEvent.Element))
 131                         {
 132                                 dstream<<"GUIMessageMenu: Not allowing focus change."
 133                                                 <<std::endl;
 134                                 // Returning true disables focus change
 135                                 return true;
 136                         }
 137                 }
 138                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 139                 {
 140                         switch(event.GUIEvent.Caller->getID())
 141                         {
 142                         case 257:
 143                                 m_status = true;
 144                                 quitMenu();
 145                                 break;
 146                         }
 147                 }
 148         }
 149
 150         return Parent ? Parent->OnEvent(event) : false;
 151 }
 152