src/guiConfirmMenu.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2012 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 "guiConfirmMenu.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 enum
  33 {
  34         GUI_ID_YES = 101,
  35         GUI_ID_NO,
  36 };
  37
  38 GUIConfirmMenu::GUIConfirmMenu(gui::IGUIEnvironment* env,
  39                 gui::IGUIElement* parent, s32 id,
  40                 IMenuManager *menumgr,
  41                 ConfirmDest *dest,
  42                 std::wstring message_text
  43 ):
  44         GUIModalMenu(env, parent, id, menumgr),
  45         m_dest(dest),
  46         m_message_text(message_text)
  47 {
  48 }
  49
  50 GUIConfirmMenu::~GUIConfirmMenu()
  51 {
  52         removeChildren();
  53         if(m_dest)
  54                 delete m_dest;
  55 }
  56
  57 void GUIConfirmMenu::removeChildren()
  58 {
  59         const core::list<gui::IGUIElement*> &children = getChildren();
  60         core::list<gui::IGUIElement*> children_copy;
  61         for(core::list<gui::IGUIElement*>::ConstIterator
  62                         i = children.begin(); i != children.end(); i++)
  63         {
  64                 children_copy.push_back(*i);
  65         }
  66         for(core::list<gui::IGUIElement*>::Iterator
  67                         i = children_copy.begin();
  68                         i != children_copy.end(); i++)
  69         {
  70                 (*i)->remove();
  71         }
  72 }
  73
  74 void GUIConfirmMenu::regenerateGui(v2u32 screensize)
  75 {
  76         /*
  77                 Remove stuff
  78         */
  79         removeChildren();
  80
  81         /*
  82                 Calculate new sizes and positions
  83         */
  84         core::rect<s32> rect(
  85                         screensize.X/2 - 580/2,
  86                         screensize.Y/2 - 300/2,
  87                         screensize.X/2 + 580/2,
  88                         screensize.Y/2 + 300/2
  89         );
  90
  91         DesiredRect = rect;
  92         recalculateAbsolutePosition(false);
  93
  94         v2s32 size = rect.getSize();
  95
  96         /*
  97                 Add stuff
  98         */
  99         {
 100                 core::rect<s32> rect(0, 0, 300, 20);
 101                 rect += v2s32(size.X/2-300/2, size.Y/2-30/2-25);
 102                 Environment->addStaticText(m_message_text.c_str(),
 103                         rect, false, true, this, -1);
 104         }
 105         changeCtype("");
 106         int bw = 100;
 107         {
 108                 core::rect<s32> rect(0, 0, bw, 30);
 109                 rect = rect + v2s32(size.X/2-bw/2-(bw/2+5), size.Y/2-30/2+25);
 110                 Environment->addButton(rect, this, GUI_ID_YES,
 111                         wgettext("Yes"));
 112         }
 113         {
 114                 core::rect<s32> rect(0, 0, bw, 30);
 115                 rect = rect + v2s32(size.X/2-bw/2+(bw/2+5), size.Y/2-30/2+25);
 116                 Environment->addButton(rect, this, GUI_ID_NO,
 117                         wgettext("No"));
 118         }
 119         changeCtype("C");
 120 }
 121
 122 void GUIConfirmMenu::drawMenu()
 123 {
 124         gui::IGUISkin* skin = Environment->getSkin();
 125         if (!skin)
 126                 return;
 127         video::IVideoDriver* driver = Environment->getVideoDriver();
 128
 129         video::SColor bgcolor(140,0,0,0);
 130         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 131
 132         gui::IGUIElement::draw();
 133 }
 134
 135 void GUIConfirmMenu::acceptInput(bool answer)
 136 {
 137         if(m_dest)
 138                 m_dest->answer(answer);
 139 }
 140
 141 bool GUIConfirmMenu::OnEvent(const SEvent& event)
 142 {
 143         if(event.EventType==EET_KEY_INPUT_EVENT)
 144         {
 145                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 146                 {
 147                         acceptInput(false);
 148                         quitMenu();
 149                         return true;
 150                 }
 151                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 152                 {
 153                         acceptInput(true);
 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<<"GUIConfirmMenu: 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 GUI_ID_YES:
 176                                 acceptInput(true);
 177                                 quitMenu();
 178                                 // quitMenu deallocates menu
 179                                 return true;
 180                         case GUI_ID_NO:
 181                                 acceptInput(false);
 182                                 quitMenu();
 183                                 // quitMenu deallocates menu
 184                                 return true;
 185                         }
 186                 }
 187         }
 188
 189         return Parent ? Parent->OnEvent(event) : false;
 190 }
 191