src/gui/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 "guiButton.h"
  23 #include "serialization.h"
  24 #include <string>
  25 #include <IGUICheckBox.h>
  26 #include <IGUIButton.h>
  27 #include <IGUIScrollBar.h>
  28 #include <IGUIStaticText.h>
  29 #include <IGUIFont.h>
  30 #include "settings.h"
  31
  32 #include "gettext.h"
  33
  34 const int ID_soundText = 263;
  35 const int ID_soundExitButton = 264;
  36 const int ID_soundSlider = 265;
  37 const int ID_soundMuteButton = 266;
  38
  39 GUIVolumeChange::GUIVolumeChange(gui::IGUIEnvironment* env,
  40                 gui::IGUIElement* parent, s32 id,
  41                 IMenuManager *menumgr, ISimpleTextureSource *tsrc
  42 ):
  43         GUIModalMenu(env, parent, id, menumgr),
  44         m_tsrc(tsrc)
  45 {
  46 }
  47
  48 GUIVolumeChange::~GUIVolumeChange()
  49 {
  50         removeChildren();
  51 }
  52
  53 void GUIVolumeChange::removeChildren()
  54 {
  55         if (gui::IGUIElement *e = getElementFromId(ID_soundText))
  56                 e->remove();
  57
  58         if (gui::IGUIElement *e = getElementFromId(ID_soundExitButton))
  59                 e->remove();
  60
  61         if (gui::IGUIElement *e = getElementFromId(ID_soundSlider))
  62                 e->remove();
  63
  64         if (gui::IGUIElement *e = getElementFromId(ID_soundMuteButton))
  65                 e->remove();
  66 }
  67
  68 void GUIVolumeChange::regenerateGui(v2u32 screensize)
  69 {
  70         /*
  71                 Remove stuff
  72         */
  73         removeChildren();
  74         /*
  75                 Calculate new sizes and positions
  76         */
  77         const float s = m_gui_scale;
  78         DesiredRect = core::rect<s32>(
  79                 screensize.X / 2 - 380 * s / 2,
  80                 screensize.Y / 2 - 200 * s / 2,
  81                 screensize.X / 2 + 380 * s / 2,
  82                 screensize.Y / 2 + 200 * s / 2
  83         );
  84         recalculateAbsolutePosition(false);
  85
  86         v2s32 size = DesiredRect.getSize();
  87         int volume = (int)(g_settings->getFloat("sound_volume") * 100);
  88
  89         /*
  90                 Add stuff
  91         */
  92         {
  93                 core::rect<s32> rect(0, 0, 160 * s, 20 * s);
  94                 rect = rect + v2s32(size.X / 2 - 80 * s, size.Y / 2 - 70 * s);
  95
  96                 const wchar_t *text = wgettext("Sound Volume: ");
  97                 core::stringw volume_text = text;
  98                 delete [] text;
  99
 100                 volume_text += core::stringw(volume) + core::stringw("%");
 101                 Environment->addStaticText(volume_text.c_str(), rect, false,
 102                                 true, this, ID_soundText);
 103         }
 104         {
 105                 core::rect<s32> rect(0, 0, 80 * s, 30 * s);
 106                 rect = rect + v2s32(size.X / 2 - 80 * s / 2, size.Y / 2 + 55 * s);
 107                 const wchar_t *text = wgettext("Exit");
 108                 GUIButton::addButton(Environment, rect, m_tsrc, this, ID_soundExitButton, text);
 109                 delete[] text;
 110         }
 111         {
 112                 core::rect<s32> rect(0, 0, 300 * s, 20 * s);
 113                 rect = rect + v2s32(size.X / 2 - 150 * s, size.Y / 2);
 114                 gui::IGUIScrollBar *e = Environment->addScrollBar(true,
 115                         rect, this, ID_soundSlider);
 116                 e->setMax(100);
 117                 e->setPos(volume);
 118         }
 119         {
 120                 core::rect<s32> rect(0, 0, 160 * s, 20 * s);
 121                 rect = rect + v2s32(size.X / 2 - 80 * s, size.Y / 2 - 35 * s);
 122                 const wchar_t *text = wgettext("Muted");
 123                 Environment->addCheckBox(g_settings->getBool("mute_sound"), rect, this,
 124                                 ID_soundMuteButton, text);
 125                 delete[] text;
 126         }
 127 }
 128
 129 void GUIVolumeChange::drawMenu()
 130 {
 131         gui::IGUISkin* skin = Environment->getSkin();
 132         if (!skin)
 133                 return;
 134         video::IVideoDriver* driver = Environment->getVideoDriver();
 135         video::SColor bgcolor(140, 0, 0, 0);
 136         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 137         gui::IGUIElement::draw();
 138 }
 139
 140 bool GUIVolumeChange::OnEvent(const SEvent& event)
 141 {
 142         if (event.EventType == EET_KEY_INPUT_EVENT) {
 143                 if (event.KeyInput.Key == KEY_ESCAPE && event.KeyInput.PressedDown) {
 144                         quitMenu();
 145                         return true;
 146                 }
 147
 148                 if (event.KeyInput.Key == KEY_RETURN && event.KeyInput.PressedDown) {
 149                         quitMenu();
 150                         return true;
 151                 }
 152         } else if (event.EventType == EET_GUI_EVENT) {
 153                 if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED) {
 154                         gui::IGUIElement *e = getElementFromId(ID_soundMuteButton);
 155                         if (e != NULL && e->getType() == gui::EGUIET_CHECK_BOX) {
 156                                 g_settings->setBool("mute_sound", ((gui::IGUICheckBox*)e)->isChecked());
 157                         }
 158
 159                         Environment->setFocus(this);
 160                         return true;
 161                 }
 162
 163                 if (event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED) {
 164                         if (event.GUIEvent.Caller->getID() == ID_soundExitButton) {
 165                                 quitMenu();
 166                                 return true;
 167                         }
 168                         Environment->setFocus(this);
 169                 }
 170
 171                 if (event.GUIEvent.EventType == gui::EGET_ELEMENT_FOCUS_LOST
 172                                 && isVisible()) {
 173                         if (!canTakeFocus(event.GUIEvent.Element)) {
 174                                 infostream << "GUIVolumeChange: Not allowing focus change."
 175                                 << std::endl;
 176                                 // Returning true disables focus change
 177                                 return true;
 178                         }
 179                 }
 180                 if (event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED) {
 181                         if (event.GUIEvent.Caller->getID() == ID_soundSlider) {
 182                                 s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
 183                                 g_settings->setFloat("sound_volume", (float) pos / 100);
 184
 185                                 gui::IGUIElement *e = getElementFromId(ID_soundText);
 186                                 const wchar_t *text = wgettext("Sound Volume: ");
 187                                 core::stringw volume_text = text;
 188                                 delete [] text;
 189
 190                                 volume_text += core::stringw(pos) + core::stringw("%");
 191                                 e->setText(volume_text.c_str());
 192                                 return true;
 193                         }
 194                 }
 195
 196         }
 197
 198         return Parent ? Parent->OnEvent(event) : false;
 199 }