src/guiMessageMenu.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 "guiMessageMenu.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 GUIMessageMenu::GUIMessageMenu(gui::IGUIEnvironment* env,
  33                 gui::IGUIElement* parent, s32 id,
  34                 IMenuManager *menumgr,
  35                 std::wstring message_text
  36 ):
  37         GUIModalMenu(env, parent, id, menumgr),
  38         m_message_text(message_text),
  39         m_status(false)
  40 {
  41 }
  42
  43 GUIMessageMenu::~GUIMessageMenu()
  44 {
  45         removeChildren();
  46 }
  47
  48 void GUIMessageMenu::removeChildren()
  49 {
  50         {
  51                 gui::IGUIElement *e = getElementFromId(256);
  52                 if(e != NULL)
  53                         e->remove();
  54         }
  55         {
  56                 gui::IGUIElement *e = getElementFromId(257);
  57                 if(e != NULL)
  58                         e->remove();
  59         }
  60 }
  61
  62 void GUIMessageMenu::regenerateGui(v2u32 screensize)
  63 {
  64         /*
  65                 Remove stuff
  66         */
  67         removeChildren();
  68
  69         /*
  70                 Calculate new sizes and positions
  71         */
  72         core::rect<s32> rect(
  73                         screensize.X/2 - 580/2,
  74                         screensize.Y/2 - 300/2,
  75                         screensize.X/2 + 580/2,
  76                         screensize.Y/2 + 300/2
  77         );
  78
  79         DesiredRect = rect;
  80         recalculateAbsolutePosition(false);
  81
  82         v2s32 size = rect.getSize();
  83
  84         gui::IGUISkin *skin = Environment->getSkin();
  85         gui::IGUIFont *font = skin->getFont();
  86         s32 msg_h = font->getDimension(m_message_text.c_str()).Height;
  87         s32 msg_w = font->getDimension(m_message_text.c_str()).Width;
  88         if(msg_h > 200)
  89                 msg_h = 200;
  90         if(msg_w > 540)
  91                 msg_w = 540;
  92
  93         /*
  94                 Add stuff
  95         */
  96         {
  97                 core::rect<s32> rect(0, 0, msg_w, msg_h);
  98                 rect += v2s32(size.X/2-msg_w/2, size.Y/2-30/2 - msg_h/2);
  99                 Environment->addStaticText(m_message_text.c_str(),
 100                         rect, false, true, this, -1);
 101         }
 102
 103         int bw = 140;
 104         {
 105                 core::rect<s32> rect(0, 0, bw, 30);
 106                 rect = rect + v2s32(size.X/2-bw/2, size.Y/2-30/2+5 + msg_h/2);
 107                 wchar_t* text = wgettext("Proceed");
 108                 gui::IGUIElement *e =
 109                 Environment->addButton(rect, this, 257,
 110                         text);
 111                 Environment->setFocus(e);
 112                 delete[] text;
 113         }
 114 }
 115
 116 void GUIMessageMenu::drawMenu()
 117 {
 118         gui::IGUISkin* skin = Environment->getSkin();
 119         if (!skin)
 120                 return;
 121         video::IVideoDriver* driver = Environment->getVideoDriver();
 122
 123         video::SColor bgcolor(140,0,0,0);
 124         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 125
 126         gui::IGUIElement::draw();
 127 }
 128
 129 bool GUIMessageMenu::OnEvent(const SEvent& event)
 130 {
 131         if(event.EventType==EET_KEY_INPUT_EVENT)
 132         {
 133                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 134                 {
 135                         m_status = true;
 136                         quitMenu();
 137                         return true;
 138                 }
 139                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 140                 {
 141                         m_status = true;
 142                         quitMenu();
 143                         return true;
 144                 }
 145         }
 146         if(event.EventType==EET_GUI_EVENT)
 147         {
 148                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 149                                 && isVisible())
 150                 {
 151                         if(!canTakeFocus(event.GUIEvent.Element))
 152                         {
 153                                 dstream<<"GUIMessageMenu: Not allowing focus change."
 154                                                 <<std::endl;
 155                                 // Returning true disables focus change
 156                                 return true;
 157                         }
 158                 }
 159                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 160                 {
 161                         switch(event.GUIEvent.Caller->getID())
 162                         {
 163                         case 257:
 164                                 m_status = true;
 165                                 quitMenu();
 166                                 return true;
 167                         }
 168                 }
 169         }
 170
 171         return Parent ? Parent->OnEvent(event) : false;
 172 }
 173