Add sound volume controls to ingame menu

1 files changed, 181 insertions, 0 deletions

diff --git a/src/guiVolumeChange.cpp b/src/guiVolumeChange.cpp
new file mode 100644
index 000000000..606aa0196
--- /dev/null
+++ b/src/guiVolumeChange.cpp
@@ -0,0 +1,181 @@
+/*
+Part of Minetest-c55
+Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2011 Ciaran Gultnieks <ciaran@ciarang.com>
+Copyright (C) 2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "guiVolumeChange.h"
+#include "debug.h"
+#include "serialization.h"
+#include <string>
+#include <IGUICheckBox.h>
+#include <IGUIButton.h>
+#include <IGUIScrollBar.h>
+#include <IGUIStaticText.h>
+#include <IGUIFont.h>
+#include "main.h"
+
+#include "gettext.h"
+
+const int ID_soundText1 = 263;
+const int ID_soundText2 = 264;
+const int ID_soundExitButton = 265;
+const int ID_soundSlider = 266;
+
+GUIVolumeChange::GUIVolumeChange(gui::IGUIEnvironment* env,
+		gui::IGUIElement* parent, s32 id,
+		IMenuManager *menumgr,
+		Client* client
+):
+	GUIModalMenu(env, parent, id, menumgr),
+	m_client(client)
+{
+}
+
+GUIVolumeChange::~GUIVolumeChange()
+{
+	removeChildren();
+}
+
+void GUIVolumeChange::removeChildren()
+{
+	{
+		gui::IGUIElement *e = getElementFromId(ID_soundText1);
+		if(e != NULL)
+			e->remove();
+	}
+	{
+		gui::IGUIElement *e = getElementFromId(ID_soundText2);
+		if(e != NULL)
+			e->remove();
+	}
+	{
+		gui::IGUIElement *e = getElementFromId(ID_soundExitButton);
+		if(e != NULL)
+			e->remove();
+	}
+	{
+		gui::IGUIElement *e = getElementFromId(ID_soundSlider);
+		if(e != NULL)
+			e->remove();
+	}
+}
+
+void GUIVolumeChange::regenerateGui(v2u32 screensize)
+{
+	/*
+		Remove stuff
+	*/
+	removeChildren();
+	
+	/*
+		Calculate new sizes and positions
+	*/
+	core::rect<s32> rect(
+			screensize.X/2 - 380/2,
+			screensize.Y/2 - 200/2,
+			screensize.X/2 + 380/2,
+			screensize.Y/2 + 200/2
+	);
+	
+	DesiredRect = rect;
+	recalculateAbsolutePosition(false);
+
+	v2s32 size = rect.getSize();
+	v2s32 topleft_client(40, 0);
+	v2s32 size_client = size - v2s32(40, 0);
+	int volume=(int)(g_settings->getFloat("sound_volume")*100);
+	/*
+		Add stuff
+	*/
+	changeCtype("");
+	{
+		core::rect<s32> rect(0, 0, 120, 20);
+		rect = rect + v2s32(size.X/2-60, size.Y/2-35);
+		Environment->addStaticText(wgettext("Sound Volume: "), rect, false,
+				true, this, ID_soundText1);
+	}
+	{
+		core::rect<s32> rect(0, 0, 30, 20);
+		rect = rect + v2s32(size.X/2+40, size.Y/2-35);
+		Environment->addStaticText(core::stringw(volume).c_str(), rect, false,
+				true, this, ID_soundText2);
+	}
+	{
+		core::rect<s32> rect(0, 0, 80, 30);
+		rect = rect + v2s32(size.X/2-80/2, size.Y/2+55);
+		Environment->addButton(rect, this, ID_soundExitButton,
+			wgettext("Exit"));
+	}
+	{
+		core::rect<s32> rect(0, 0, 300, 20);
+		rect = rect + v2s32(size.X/2-150, size.Y/2);
+		gui::IGUIScrollBar *e = Environment->addScrollBar(true,
+			rect, this, ID_soundSlider);
+		e->setMax(100);
+		e->setPos(volume);
+	}
+	changeCtype("");
+}
+
+void GUIVolumeChange::drawMenu()
+{
+	gui::IGUISkin* skin = Environment->getSkin();
+	if (!skin)
+		return;
+	video::IVideoDriver* driver = Environment->getVideoDriver();
+	video::SColor bgcolor(140,0,0,0);
+	driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
+	gui::IGUIElement::draw();
+}
+
+bool GUIVolumeChange::OnEvent(const SEvent& event)
+{
+	if(event.EventType==EET_KEY_INPUT_EVENT)
+	{
+		if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
+		{
+			quitMenu();
+			return true;
+		}
+		if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
+		{
+			quitMenu();
+			return true;
+		}
+	}
+	if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
+		{
+			if (event.GUIEvent.Caller->getID() == ID_soundExitButton)
+				{
+					quitMenu();
+					return true;
+				}
+		}
+	if(event.GUIEvent.EventType==gui::EGET_SCROLL_BAR_CHANGED)
+		{
+		if (event.GUIEvent.Caller->getID() == ID_soundSlider)
+			{
+				s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
+				g_settings->setFloat("sound_volume",(float)pos/100);
+				gui::IGUIElement *e = getElementFromId(ID_soundText2);
+				e->setText( core::stringw(pos).c_str() );
+				return true;
+			}
+		}
+	return Parent ? Parent->OnEvent(event) : false;
+}
+