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 "settings.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 {
  45 }
  46
  47 GUIVolumeChange::~GUIVolumeChange()
  48 {
  49         removeChildren();
  50 }
  51
  52 void GUIVolumeChange::removeChildren()
  53 {
  54         {
  55                 gui::IGUIElement *e = getElementFromId(ID_soundText1);
  56                 if(e != NULL)
  57                         e->remove();
  58         }
  59         {
  60                 gui::IGUIElement *e = getElementFromId(ID_soundText2);
  61                 if(e != NULL)
  62                         e->remove();
  63         }
  64         {
  65                 gui::IGUIElement *e = getElementFromId(ID_soundExitButton);
  66                 if(e != NULL)
  67                         e->remove();
  68         }
  69         {
  70                 gui::IGUIElement *e = getElementFromId(ID_soundSlider);
  71                 if(e != NULL)
  72                         e->remove();
  73         }
  74 }
  75
  76 void GUIVolumeChange::regenerateGui(v2u32 screensize)
  77 {
  78         /*
  79                 Remove stuff
  80         */
  81         removeChildren();
  82
  83         /*
  84                 Calculate new sizes and positions
  85         */
  86         core::rect<s32> rect(
  87                         screensize.X/2 - 380/2,
  88                         screensize.Y/2 - 200/2,
  89                         screensize.X/2 + 380/2,
  90                         screensize.Y/2 + 200/2
  91         );
  92
  93         DesiredRect = rect;
  94         recalculateAbsolutePosition(false);
  95
  96         v2s32 size = rect.getSize();
  97         v2s32 topleft_client(40, 0);
  98         int volume=(int)(g_settings->getFloat("sound_volume")*100);
  99         /*
 100                 Add stuff
 101         */
 102         {
 103                 core::rect<s32> rect(0, 0, 120, 20);
 104                 rect = rect + v2s32(size.X/2-60, size.Y/2-35);
 105                 const wchar_t *text = wgettext("Sound Volume: ");
 106                 Environment->addStaticText(text, rect, false,
 107                                 true, this, ID_soundText1);
 108                 delete[] text;
 109         }
 110         {
 111                 core::rect<s32> rect(0, 0, 30, 20);
 112                 rect = rect + v2s32(size.X/2+40, size.Y/2-35);
 113                 Environment->addStaticText(core::stringw(volume).c_str(), rect, false,
 114                                 true, this, ID_soundText2);
 115         }
 116         {
 117                 core::rect<s32> rect(0, 0, 80, 30);
 118                 rect = rect + v2s32(size.X/2-80/2, size.Y/2+55);
 119                 const wchar_t *text = wgettext("Exit");
 120                 Environment->addButton(rect, this, ID_soundExitButton,
 121                         text);
 122                 delete[] text;
 123         }
 124         {
 125                 core::rect<s32> rect(0, 0, 300, 20);
 126                 rect = rect + v2s32(size.X/2-150, size.Y/2);
 127                 gui::IGUIScrollBar *e = Environment->addScrollBar(true,
 128                         rect, this, ID_soundSlider);
 129                 e->setMax(100);
 130                 e->setPos(volume);
 131         }
 132 }
 133
 134 void GUIVolumeChange::drawMenu()
 135 {
 136         gui::IGUISkin* skin = Environment->getSkin();
 137         if (!skin)
 138                 return;
 139         video::IVideoDriver* driver = Environment->getVideoDriver();
 140         video::SColor bgcolor(140,0,0,0);
 141         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 142         gui::IGUIElement::draw();
 143 }
 144
 145 bool GUIVolumeChange::OnEvent(const SEvent& event)
 146 {
 147         if(event.EventType==EET_KEY_INPUT_EVENT)
 148         {
 149                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 150                 {
 151                         quitMenu();
 152                         return true;
 153                 }
 154                 if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
 155                 {
 156                         quitMenu();
 157                         return true;
 158                 }
 159         }
 160         if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 161                 {
 162                         if (event.GUIEvent.Caller->getID() == ID_soundExitButton)
 163                                 {
 164                                         quitMenu();
 165                                         return true;
 166                                 }
 167                 }
 168         if(event.GUIEvent.EventType==gui::EGET_SCROLL_BAR_CHANGED)
 169                 {
 170                 if (event.GUIEvent.Caller->getID() == ID_soundSlider)
 171                         {
 172                                 s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
 173                                 g_settings->setFloat("sound_volume",(float)pos/100);
 174                                 gui::IGUIElement *e = getElementFromId(ID_soundText2);
 175                                 e->setText( core::stringw(pos).c_str() );
 176                                 return true;
 177                         }
 178                 }
 179         return Parent ? Parent->OnEvent(event) : false;
 180 }
 181