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 ):
  42         GUIModalMenu(env, parent, id, menumgr)
  43 {
  44 }
  45
  46 GUIVolumeChange::~GUIVolumeChange()
  47 {
  48         removeChildren();
  49 }
  50
  51 void GUIVolumeChange::removeChildren()
  52 {
  53         if (gui::IGUIElement *e = getElementFromId(ID_soundText1))
  54                 e->remove();
  55
  56         if (gui::IGUIElement *e = getElementFromId(ID_soundText2))
  57                 e->remove();
  58
  59         if (gui::IGUIElement *e = getElementFromId(ID_soundExitButton))
  60                 e->remove();
  61
  62         if (gui::IGUIElement *e = getElementFromId(ID_soundSlider))
  63                 e->remove();
  64 }
  65
  66 void GUIVolumeChange::regenerateGui(v2u32 screensize)
  67 {
  68         /*
  69                 Remove stuff
  70         */
  71         removeChildren();
  72
  73         /*
  74                 Calculate new sizes and positions
  75         */
  76         core::rect<s32> rect(
  77                         screensize.X/2 - 380/2,
  78                         screensize.Y/2 - 200/2,
  79                         screensize.X/2 + 380/2,
  80                         screensize.Y/2 + 200/2
  81         );
  82
  83         DesiredRect = rect;
  84         recalculateAbsolutePosition(false);
  85
  86         v2s32 size = rect.getSize();
  87         v2s32 topleft_client(40, 0);
  88         int volume = (int)(g_settings->getFloat("sound_volume")*100);
  89         /*
  90                 Add stuff
  91         */
  92         {
  93                 core::rect<s32> rect(0, 0, 120, 20);
  94                 rect = rect + v2s32(size.X/2-60, size.Y/2-35);
  95                 const wchar_t *text = wgettext("Sound Volume: ");
  96                 Environment->addStaticText(text, rect, false,
  97                                 true, this, ID_soundText1);
  98                 delete[] text;
  99         }
 100         {
 101                 core::rect<s32> rect(0, 0, 30, 20);
 102                 rect = rect + v2s32(size.X/2+40, size.Y/2-35);
 103                 Environment->addStaticText(core::stringw(volume).c_str(), rect, false,
 104                                 true, this, ID_soundText2);
 105         }
 106         {
 107                 core::rect<s32> rect(0, 0, 80, 30);
 108                 rect = rect + v2s32(size.X/2-80/2, size.Y/2+55);
 109                 const wchar_t *text = wgettext("Exit");
 110                 Environment->addButton(rect, this, ID_soundExitButton,
 111                         text);
 112                 delete[] text;
 113         }
 114         {
 115                 core::rect<s32> rect(0, 0, 300, 20);
 116                 rect = rect + v2s32(size.X/2-150, size.Y/2);
 117                 gui::IGUIScrollBar *e = Environment->addScrollBar(true,
 118                         rect, this, ID_soundSlider);
 119                 e->setMax(100);
 120                 e->setPos(volume);
 121         }
 122 }
 123
 124 void GUIVolumeChange::drawMenu()
 125 {
 126         gui::IGUISkin* skin = Environment->getSkin();
 127         if (!skin)
 128                 return;
 129         video::IVideoDriver* driver = Environment->getVideoDriver();
 130         video::SColor bgcolor(140, 0, 0, 0);
 131         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 132         gui::IGUIElement::draw();
 133 }
 134
 135 bool GUIVolumeChange::OnEvent(const SEvent& event)
 136 {
 137         if (event.EventType == EET_KEY_INPUT_EVENT) {
 138                 if (event.KeyInput.Key == KEY_ESCAPE && event.KeyInput.PressedDown) {
 139                         quitMenu();
 140                         return true;
 141                 }
 142
 143                 if (event.KeyInput.Key == KEY_RETURN && event.KeyInput.PressedDown) {
 144                         quitMenu();
 145                         return true;
 146                 }
 147         }
 148
 149         if (event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) {
 150                 if (event.GUIEvent.Caller->getID() == ID_soundExitButton) {
 151                         quitMenu();
 152                         return true;
 153                 }
 154         }
 155
 156         if (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED) {
 157                 if (event.GUIEvent.Caller->getID() == ID_soundSlider) {
 158                         s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
 159                         g_settings->setFloat("sound_volume", (float)pos/100);
 160
 161                         gui::IGUIElement *e = getElementFromId(ID_soundText2);
 162                         e->setText(core::stringw(pos).c_str());
 163                         return true;
 164                 }
 165         }
 166
 167         return Parent ? Parent->OnEvent(event) : false;
 168 }
 169