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 #include "settings.h"
  31
  32 #include "gettext.h"
  33
  34 const int ID_soundText1 = 263;
  35 const int ID_soundText2 = 264;
  36 const int ID_soundExitButton = 265;
  37 const int ID_soundSlider = 266;
  38
  39 GUIVolumeChange::GUIVolumeChange(gui::IGUIEnvironment* env,
  40                 gui::IGUIElement* parent, s32 id,
  41                 IMenuManager *menumgr,
  42                 Client* client
  43 ):
  44         GUIModalMenu(env, parent, id, menumgr),
  45         m_client(client)
  46 {
  47 }
  48
  49 GUIVolumeChange::~GUIVolumeChange()
  50 {
  51         removeChildren();
  52 }
  53
  54 void GUIVolumeChange::removeChildren()
  55 {
  56         {
  57                 gui::IGUIElement *e = getElementFromId(ID_soundText1);
  58                 if(e != NULL)
  59                         e->remove();
  60         }
  61         {
  62                 gui::IGUIElement *e = getElementFromId(ID_soundText2);
  63                 if(e != NULL)
  64                         e->remove();
  65         }
  66         {
  67                 gui::IGUIElement *e = getElementFromId(ID_soundExitButton);
  68                 if(e != NULL)
  69                         e->remove();
  70         }
  71         {
  72                 gui::IGUIElement *e = getElementFromId(ID_soundSlider);
  73                 if(e != NULL)
  74                         e->remove();
  75         }
  76 }
  77
  78 void GUIVolumeChange::regenerateGui(v2u32 screensize)
  79 {
  80         /*
  81                 Remove stuff
  82         */
  83         removeChildren();
  84
  85         /*
  86                 Calculate new sizes and positions
  87         */
  88         core::rect<s32> rect(
  89                         screensize.X/2 - 380/2,
  90                         screensize.Y/2 - 200/2,
  91                         screensize.X/2 + 380/2,
  92                         screensize.Y/2 + 200/2
  93         );
  94
  95         DesiredRect = rect;
  96         recalculateAbsolutePosition(false);
  97
  98         v2s32 size = rect.getSize();
  99         v2s32 topleft_client(40, 0);
 100         int volume=(int)(g_settings->getFloat("sound_volume")*100);
 101         /*
 102                 Add stuff
 103         */
 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 }
 135
 136 void GUIVolumeChange::drawMenu()
 137 {
 138         gui::IGUISkin* skin = Environment->getSkin();
 139         if (!skin)
 140                 return;
 141         video::IVideoDriver* driver = Environment->getVideoDriver();
 142         video::SColor bgcolor(140,0,0,0);
 143         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 144         gui::IGUIElement::draw();
 145 }
 146
 147 bool GUIVolumeChange::OnEvent(const SEvent& event)
 148 {
 149         if(event.EventType==EET_KEY_INPUT_EVENT)
 150         {
 151                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 152                 {
 153                         quitMenu();
 154                         return true;
 155                 }
 156                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 157                 {
 158                         quitMenu();
 159                         return true;
 160                 }
 161         }
 162         if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 163                 {
 164                         if (event.GUIEvent.Caller->getID() == ID_soundExitButton)
 165                                 {
 166                                         quitMenu();
 167                                         return true;
 168                                 }
 169                 }
 170         if(event.GUIEvent.EventType==gui::EGET_SCROLL_BAR_CHANGED)
 171                 {
 172                 if (event.GUIEvent.Caller->getID() == ID_soundSlider)
 173                         {
 174                                 s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
 175                                 g_settings->setFloat("sound_volume",(float)pos/100);
 176                                 gui::IGUIElement *e = getElementFromId(ID_soundText2);
 177                                 e->setText( core::stringw(pos).c_str() );
 178                                 return true;
 179                         }
 180                 }
 181         return Parent ? Parent->OnEvent(event) : false;
 182 }
 183