src/guiConfirmMenu.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 "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         gui::IGUISkin *skin = Environment->getSkin();
  97         gui::IGUIFont *font = skin->getFont();
  98         s32 msg_h = font->getDimension(m_message_text.c_str()).Height;
  99         s32 msg_w = font->getDimension(m_message_text.c_str()).Width;
 100         if(msg_h > 200)
 101                 msg_h = 200;
 102         if(msg_w > 540)
 103                 msg_w = 540;
 104
 105         /*
 106                 Add stuff
 107         */
 108         {
 109                 core::rect<s32> rect(0, 0, msg_w, msg_h);
 110                 rect += v2s32(size.X/2-msg_w/2, size.Y/2-30/2 - msg_h/2);
 111                 Environment->addStaticText(m_message_text.c_str(),
 112                         rect, false, true, this, -1);
 113         }
 114         changeCtype("");
 115         int bw = 100;
 116         {
 117                 core::rect<s32> rect(0, 0, bw, 30);
 118                 rect = rect + v2s32(size.X/2-bw/2-(bw/2+5), size.Y/2-30/2+5 + msg_h/2);
 119                 Environment->addButton(rect, this, GUI_ID_YES,
 120                         wgettext("Yes"));
 121         }
 122         {
 123                 core::rect<s32> rect(0, 0, bw, 30);
 124                 rect = rect + v2s32(size.X/2-bw/2+(bw/2+5), size.Y/2-30/2+5 + msg_h/2);
 125                 Environment->addButton(rect, this, GUI_ID_NO,
 126                         wgettext("No"));
 127         }
 128         changeCtype("C");
 129 }
 130
 131 void GUIConfirmMenu::drawMenu()
 132 {
 133         gui::IGUISkin* skin = Environment->getSkin();
 134         if (!skin)
 135                 return;
 136         video::IVideoDriver* driver = Environment->getVideoDriver();
 137
 138         video::SColor bgcolor(140,0,0,0);
 139         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 140
 141         gui::IGUIElement::draw();
 142 }
 143
 144 void GUIConfirmMenu::acceptInput(bool answer)
 145 {
 146         if(m_dest)
 147                 m_dest->answer(answer);
 148 }
 149
 150 bool GUIConfirmMenu::OnEvent(const SEvent& event)
 151 {
 152         if(event.EventType==EET_KEY_INPUT_EVENT)
 153         {
 154                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 155                 {
 156                         acceptInput(false);
 157                         quitMenu();
 158                         return true;
 159                 }
 160                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 161                 {
 162                         acceptInput(true);
 163                         quitMenu();
 164                         return true;
 165                 }
 166         }
 167         if(event.EventType==EET_GUI_EVENT)
 168         {
 169                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 170                                 && isVisible())
 171                 {
 172                         if(!canTakeFocus(event.GUIEvent.Element))
 173                         {
 174                                 dstream<<"GUIConfirmMenu: Not allowing focus change."
 175                                                 <<std::endl;
 176                                 // Returning true disables focus change
 177                                 return true;
 178                         }
 179                 }
 180                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 181                 {
 182                         switch(event.GUIEvent.Caller->getID())
 183                         {
 184                         case GUI_ID_YES:
 185                                 acceptInput(true);
 186                                 quitMenu();
 187                                 // quitMenu deallocates menu
 188                                 return true;
 189                         case GUI_ID_NO:
 190                                 acceptInput(false);
 191                                 quitMenu();
 192                                 // quitMenu deallocates menu
 193                                 return true;
 194                         }
 195                 }
 196         }
 197
 198         return Parent ? Parent->OnEvent(event) : false;
 199 }
 200