src/guiVolumeChange.cpp

   1 /*
   2 Part of Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2013 Ciaran Gultnieks <ciaran@ciarang.com>
   5 Copyright (C) 2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
   6
   7 Permission to use, copy, modify, and distribute this software for any
   8 purpose with or without fee is hereby granted, provided that the above
   9 copyright notice and this permission notice appear in all copies.
  10
  11 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18 */
  19
  20 #include "guiVolumeChange.h"
  21 #include "debug.h"
  22 #include "serialization.h"
  23 #include <string>
  24 #include <IGUICheckBox.h>
  25 #include <IGUIButton.h>
  26 #include <IGUIScrollBar.h>
  27 #include <IGUIStaticText.h>
  28 #include <IGUIFont.h>
  29 #include "main.h"
  30
  31 #include "gettext.h"
  32
  33 const int ID_soundText1 = 263;
  34 const int ID_soundText2 = 264;
  35 const int ID_soundExitButton = 265;
  36 const int ID_soundSlider = 266;
  37
  38 GUIVolumeChange::GUIVolumeChange(gui::IGUIEnvironment* env,
  39                 gui::IGUIElement* parent, s32 id,
  40                 IMenuManager *menumgr,
  41                 Client* client
  42 ):
  43         GUIModalMenu(env, parent, id, menumgr),
  44         m_client(client)
  45 {
  46 }
  47
  48 GUIVolumeChange::~GUIVolumeChange()
  49 {
  50         removeChildren();
  51 }
  52
  53 void GUIVolumeChange::removeChildren()
  54 {
  55         {
  56                 gui::IGUIElement *e = getElementFromId(ID_soundText1);
  57                 if(e != NULL)
  58                         e->remove();
  59         }
  60         {
  61                 gui::IGUIElement *e = getElementFromId(ID_soundText2);
  62                 if(e != NULL)
  63                         e->remove();
  64         }
  65         {
  66                 gui::IGUIElement *e = getElementFromId(ID_soundExitButton);
  67                 if(e != NULL)
  68                         e->remove();
  69         }
  70         {
  71                 gui::IGUIElement *e = getElementFromId(ID_soundSlider);
  72                 if(e != NULL)
  73                         e->remove();
  74         }
  75 }
  76
  77 void GUIVolumeChange::regenerateGui(v2u32 screensize)
  78 {
  79         /*
  80                 Remove stuff
  81         */
  82         removeChildren();
  83
  84         /*
  85                 Calculate new sizes and positions
  86         */
  87         core::rect<s32> rect(
  88                         screensize.X/2 - 380/2,
  89                         screensize.Y/2 - 200/2,
  90                         screensize.X/2 + 380/2,
  91                         screensize.Y/2 + 200/2
  92         );
  93
  94         DesiredRect = rect;
  95         recalculateAbsolutePosition(false);
  96
  97         v2s32 size = rect.getSize();
  98         v2s32 topleft_client(40, 0);
  99         int volume=(int)(g_settings->getFloat("sound_volume")*100);
 100         /*
 101                 Add stuff
 102         */
 103         changeCtype("");
 104         {
 105                 core::rect<s32> rect(0, 0, 120, 20);
 106                 rect = rect + v2s32(size.X/2-60, size.Y/2-35);
 107                 wchar_t* text = wgettext("Sound Volume: ");
 108                 Environment->addStaticText(text, rect, false,
 109                                 true, this, ID_soundText1);
 110                 delete[] text;
 111         }
 112         {
 113                 core::rect<s32> rect(0, 0, 30, 20);
 114                 rect = rect + v2s32(size.X/2+40, size.Y/2-35);
 115                 Environment->addStaticText(core::stringw(volume).c_str(), rect, false,
 116                                 true, this, ID_soundText2);
 117         }
 118         {
 119                 core::rect<s32> rect(0, 0, 80, 30);
 120                 rect = rect + v2s32(size.X/2-80/2, size.Y/2+55);
 121                 wchar_t* text = wgettext("Exit");
 122                 Environment->addButton(rect, this, ID_soundExitButton,
 123                         text);
 124                 delete[] text;
 125         }
 126         {
 127                 core::rect<s32> rect(0, 0, 300, 20);
 128                 rect = rect + v2s32(size.X/2-150, size.Y/2);
 129                 gui::IGUIScrollBar *e = Environment->addScrollBar(true,
 130                         rect, this, ID_soundSlider);
 131                 e->setMax(100);
 132                 e->setPos(volume);
 133         }
 134         changeCtype("");
 135 }
 136
 137 void GUIVolumeChange::drawMenu()
 138 {
 139         gui::IGUISkin* skin = Environment->getSkin();
 140         if (!skin)
 141                 return;
 142         video::IVideoDriver* driver = Environment->getVideoDriver();
 143         video::SColor bgcolor(140,0,0,0);
 144         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 145         gui::IGUIElement::draw();
 146 }
 147
 148 bool GUIVolumeChange::OnEvent(const SEvent& event)
 149 {
 150         if(event.EventType==EET_KEY_INPUT_EVENT)
 151         {
 152                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 153                 {
 154                         quitMenu();
 155                         return true;
 156                 }
 157                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 158                 {
 159                         quitMenu();
 160                         return true;
 161                 }
 162         }
 163         if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 164                 {
 165                         if (event.GUIEvent.Caller->getID() == ID_soundExitButton)
 166                                 {
 167                                         quitMenu();
 168                                         return true;
 169                                 }
 170                 }
 171         if(event.GUIEvent.EventType==gui::EGET_SCROLL_BAR_CHANGED)
 172                 {
 173                 if (event.GUIEvent.Caller->getID() == ID_soundSlider)
 174                         {
 175                                 s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
 176                                 g_settings->setFloat("sound_volume",(float)pos/100);
 177                                 gui::IGUIElement *e = getElementFromId(ID_soundText2);
 178                                 e->setText( core::stringw(pos).c_str() );
 179                                 return true;
 180                         }
 181                 }
 182         return Parent ? Parent->OnEvent(event) : false;
 183 }
 184