advtrains_interlocking/textures/at_il_signal_ip.png

/*
 Minetest
 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 Copyright (C) 2013 Ciaran Gultnieks <ciaran@ciarang.com>
 Copyright (C) 2013 teddydestodes <derkomtur@schattengang.net>

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "guiKeyChangeMenu.h"
#include "debug.h"
#include "serialization.h"
#include <string>
#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>
#include "settings.h"
#include <algorithm>

#include "mainmenumanager.h"  // for g_gamecallback

#define KMaxButtonPerColumns 12

extern MainGameCallback *g_gamecallback;

enum
{
	GUI_ID_BACK_BUTTON = 101, GUI_ID_ABORT_BUTTON, GUI_ID_SCROLL_BAR,
	// buttons
	GUI_ID_KEY_FORWARD_BUTTON,
	GUI_ID_KEY_BACKWARD_BUTTON,
	GUI_ID_KEY_LEFT_BUTTON,
	GUI_ID_KEY_RIGHT_BUTTON,
	GUI_ID_KEY_USE_BUTTON,
	GUI_ID_KEY_FLY_BUTTON,
	GUI_ID_KEY_FAST_BUTTON,
	GUI_ID_KEY_JUMP_BUTTON,
	GUI_ID_KEY_NOCLIP_BUTTON,
	GUI_ID_KEY_CINEMATIC_BUTTON,
	GUI_ID_KEY_CHAT_BUTTON,
	GUI_ID_KEY_CMD_BUTTON,
	GUI_ID_KEY_CMD_LOCAL_BUTTON,
	GUI_ID_KEY_CONSOLE_BUTTON,
	GUI_ID_KEY_SNEAK_BUTTON,
	GUI_ID_KEY_DROP_BUTTON,
	GUI_ID_KEY_INVENTORY_BUTTON,
	GUI_ID_KEY_HOTBAR_PREV_BUTTON,
	GUI_ID_KEY_HOTBAR_NEXT_BUTTON,
	GUI_ID_KEY_MUTE_BUTTON,
	GUI_ID_KEY_DEC_VOLUME_BUTTON,
	GUI_ID_KEY_INC_VOLUME_BUTTON,
	GUI_ID_KEY_DUMP_BUTTON,
	GUI_ID_KEY_RANGE_BUTTON,
	GUI_ID_KEY_ZOOM_BUTTON,
	// other
	GUI_ID_CB_AUX1_DESCENDS,
	GUI_ID_CB_DOUBLETAP_JUMP,
};

GUIKeyChangeMenu::GUIKeyChangeMenu(gui::IGUIEnvironment* env,
				gui::IGUIElement* parent, s32 id, IMenuManager *menumgr) :
GUIModalMenu(env, parent, id, menumgr)
{
	shift_down = false;
	activeKey = -1;
	this->key_used_text = NULL;
	init_keys();
	for(size_t i=0; i<key_settings.size(); i++)
		this->key_used.push_back(key_settings.at(i)->key);
}

GUIKeyChangeMenu::~GUIKeyChangeMenu()
{
	removeChildren();

	for (std::vector<key_setting*>::iterator iter = key_settings.begin();
			iter != key_settings.end(); ++iter) {
		delete[] (*iter)->button_name;
		delete (*iter);
	}
	key_settings.clear();
}

void GUIKeyChangeMenu::removeChildren()
{
	const core::list<gui::IGUIElement*> &children = getChildren();
	core::list<gui::IGUIElement*> children_copy;
	for (core::list<gui::IGUIElement*>::ConstIterator i = children.begin(); i
		 != children.end(); i++)
	{
		children_copy.push_back(*i);
	}
	for (core::list<gui::IGUIElement*>::Iterator i = children_copy.begin(); i
		 != children_copy.end(); i++)
	{
		(*i)->remove();
	}
}

void GUIKeyChangeMenu::regenerateGui(v2u32 screensize)
{
	removeChildren();
	v2s32 size(745, 430);
	
	core::rect < s32 > rect(screensize.X / 2 - size.X / 2,
							screensize.Y / 2 - size.Y / 2, screensize.X / 2 + size.X / 2,
							screensize.Y / 2 + size.Y / 2);

	DesiredRect = rect;
	recalculateAbsolutePosition(false);

	v2s32 topleft(0, 0);
	
	{
		core::rect < s32 > rect(0, 0, 600, 40);
		rect += topleft + v2s32(25, 3);
		//gui::IGUIStaticText *t =
		const wchar_t *text = wgettext("Keybindings. (If this menu screws up, remove stuff from minetest.conf)");
		Environment->addStaticText(text,
								   rect, false, true, this, -1);
		delete[] text;
		//t->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
	}

	// Build buttons

	v2s32 offset(25, 60);

	for(size_t i = 0; i < key_settings.size(); i++)
	{
		key_setting *k = key_settings.at(i);
		{
			core::rect < s32 > rect(0, 0, 150, 20);
			rect += topleft + v2s32(offset.X, offset.Y);
			Environment->addStaticText(k->button_name, rect, false, true, this, -1);
		}

		{
			core::rect < s32 > rect(0, 0, 100, 30);
			rect += topleft + v2s32(offset.X + 120, offset.Y - 5);
			const wchar_t *text = wgettext(k->key.name());
			k->button = Environment->addButton(rect, this, k->id, text);
			delete[] text;
		}
		if ((i + 1) % KMaxButtonPerColumns == 0) {
			offset.X += 230;
			offset.Y = 60;
		} else {
			offset += v2s32(0, 25);
		}
	}
	
	{
		s32 option_x = offset.X;
		s32 option_y = offset.Y + 5;
		u32 option_w = 180;
		{
			core::rect<s32> rect(0, 0, option_w, 30);
			rect += topleft + v2s32(option_x, option_y);
			const wchar_t *text = wgettext("\"Use\" = climb down");
			Environment->addCheckBox(g_settings->getBool("aux1_descends"), rect, this,
					GUI_ID_CB_AUX1_DESCENDS, text);
			delete[] text;
		}
		offset += v2s32(0, 25);
	}

	{
		s32 option_x = offset.X;
		s32 option_y = offset.Y + 5;
		u32 option_w = 280;
		{
			core::rect<s32> rect(0, 0, option_w, 30);
			rect += topleft + v2s32(option_x, option_y);
			const wchar_t *text = wgettext("Double tap \"jump\" to toggle fly");
			Environment->addCheckBox(g_settings->getBool("doubletap_jump"), rect, this,
					GUI_ID_CB_DOUBLETAP_JUMP, text);
			delete[] text;
		}
		offset += v2s32(0, 25);
	}

	{
		core::rect < s32 > rect(0, 0, 100, 30);
		rect += topleft + v2s32(size.X / 2 - 105, size.Y - 40);
		const wchar_t *text =  wgettext("Save");
		Environment->addButton(rect, this, GUI_ID_BACK_BUTTON,
				 text);
		delete[] text;
	}
	{
		core::rect < s32 > rect(0, 0, 100, 30);
		rect += topleft + v2s32(size.X / 2 + 5, size.Y - 40);
		const wchar_t *text = wgettext("Cancel");
		Environment->addButton(rect, this, GUI_ID_ABORT_BUTTON,
				text);
		delete[] text;
	}	
}

void GUIKeyChangeMenu::drawMenu()
{
	gui::IGUISkin* skin = Environment->getSkin();
	if (!skin)
		return;
	video::IVideoDriver* driver = Environment->getVideoDriver();

	video::SColor bgcolor(140, 0, 0, 0);

	{
		core::rect < s32 > rect(0, 0, 745, 620);
		rect += AbsoluteRect.UpperLeftCorner;
		driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
	}

	gui::IGUIElement::draw();
}

bool GUIKeyChangeMenu::acceptInput()
{
	for(size_t i = 0; i < key_settings.size(); i++)
	{
		key_setting *k = key_settings.at(i);
		g_settings->set(k->setting_name, k->key.sym());
	}
	{
		gui::IGUIElement *e = getElementFromId(GUI_ID_CB_AUX1_DESCENDS);
		if(e != NULL && e->getType() == gui::EGUIET_CHECK_BOX)
			g_settings->setBool("aux1_descends", ((gui::IGUICheckBox*)e)->isChecked());
	}
	{
		gui::IGUIElement *e = getElementFromId(GUI_ID_CB_DOUBLETAP_JUMP);
		if(e != NULL && e->getType() == gui::EGUIET_CHECK_BOX)
			g_settings->setBool("doubletap_jump", ((gui::IGUICheckBox*)e)->isChecked());
	}

	clearKeyCache();

	g_gamecallback->signalKeyConfigChange();

	return true;
}

bool GUIKeyChangeMenu::resetMenu()
{
	if (activeKey >= 0)
	{
		for(size_t i = 0; i < key_settings.size(); i++)
		{
			key_setting *k = key_settings.at(i);
			if(k->id == activeKey)
			{
				const wchar_t *text = wgettext(k->key.name());
				k->button->setText(text);
				delete[] text;
				break;
			}
		}
		activeKey = -1;
		return false;
	}
	return true;
}
bool GUIKeyChangeMenu::OnEvent(const SEvent& event)
{
	if (event.EventType == EET_KEY_INPUT_EVENT && activeKey >= 0
			&& event.KeyInput.PressedDown) {
		
		bool prefer_character = shift_down;
		KeyPress kp(event.KeyInput, prefer_character);
		
		bool shift_went_down = false;
		if(!shift_down &&
				(event.KeyInput.Key == irr::KEY_SHIFT ||
				event.KeyInput.Key == irr::KEY_LSHIFT ||
				event.KeyInput.Key == irr::KEY_RSHIFT))
			shift_went_down = true;

		// Remove Key already in use message
		if(this->key_used_text)
		{
			this->key_used_text->remove();
			this->key_used_text = NULL;
		}
		// Display Key already in use message
		if (std::find(this->key_used.begin(), this->key_used.end(), kp) != this->key_used.end())
		{
			core::rect < s32 > rect(0, 0, 600, 40);
			rect += v2s32(0, 0) + v2s32(25, 30);
			const wchar_t *text = wgettext("Key already in use");
			this->key_used_text = Environment->addStaticText(text,
					rect, false, true, this, -1);
			delete[] text;
			//infostream << "Key already in use" << std::endl;
		}

		// But go on
		{
			key_setting *k = NULL;
			for(size_t i = 0; i < key_settings.size(); i++)
			{
				if(key_settings.at(i)->id == activeKey)
				{
					k = key_settings.at(i);
					break;
				}
			}
			FATAL_ERROR_IF(k == NULL, "Key setting not found");
			k->key = kp;
			const wchar_t *text = wgettext(k->key.name());
			k->button->setText(text);
			delete[] text;

			this->key_used.push_back(kp);

			// Allow characters made with shift
			if(shift_went_down){
				shift_down = true;
				return false;
			}else{
				activeKey = -1;
				return true;
			}
		}
	} else if (event.EventType == EET_KEY_INPUT_EVENT && activeKey < 0
			&& event.KeyInput.PressedDown
			&& event.KeyInput.Key == irr::KEY_ESCAPE) {
		quitMenu();
		return true;
	} else if (event.EventType == EET_GUI_EVENT) {
		if (event.GUIEvent.EventType == gui::EGET_ELEMENT_FOCUS_LOST
			&& isVisible())
		{
			if (!canTakeFocus(event.GUIEvent.Element))
			{
				dstream << "GUIMainMenu: Not allowing focus change."
				<< std::endl;
				// Returning true disables focus change
				return true;
			}
		}
		if (event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED)
		{
			switch (event.GUIEvent.Caller->getID())
			{
				case GUI_ID_BACK_BUTTON: //back
					acceptInput();
					quitMenu();
					return true;
				case GUI_ID_ABORT_BUTTON: //abort
					quitMenu();
					return true;
				default:
					key_setting *k = NULL;
					for(size_t i = 0; i < key_settings.size(); i++)
					{
						if(key_settings.at(i)->id == event.GUIEvent.Caller->getID())
						{
							k = key_settings.at(i);
							break;
						}
					}
					FATAL_ERROR_IF(k == NULL, "Key setting not found");

					resetMenu();
					shift_down = false;
					activeKey = event.GUIEvent.Caller->getID();
					const wchar_t *text = wgettext("press key");
					k->button->setText(text);
					delete[] text;
					this->key_used.erase(std::remove(this->key_used.begin(),
							this->key_used.end(), k->key), this->key_used.end());
					break;
			}
			Environment->setFocus(this);
		}
	}
	return Parent ? Parent->OnEvent(event) : false;
}

void GUIKeyChangeMenu::add_key(int id, const wchar_t *button_name, const std::string &setting_name)
{
	key_setting *k = new key_setting;
	k->id = id;

	k->button_name = button_name;
	k->setting_name = setting_name;
	k->key = getKeySetting(k->setting_name.c_str());
	key_settings.push_back(k);
}

void GUIKeyChangeMenu::init_keys()
{
	this->add_key(GUI_ID_KEY_FORWARD_BUTTON,   wgettext("Forward"),          "keymap_forward");
	this->add_key(GUI_ID_KEY_BACKWARD_BUTTON,  wgettext("Backward"),         "keymap_backward");
	this->add_key(GUI_ID_KEY_LEFT_BUTTON,      wgettext("Left"),             "keymap_left");
	this->add_key(GUI_ID_KEY_RIGHT_BUTTON,     wgettext("Right"),            "keymap_right");
	this->add_key(GUI_ID_KEY_USE_BUTTON,       wgettext("Use"),              "keymap_special1");
	this->add_key(GUI_ID_KEY_JUMP_BUTTON,      wgettext("Jump"),             "keymap_jump");
	this->add_key(GUI_ID_KEY_SNEAK_BUTTON,     wgettext("Sneak"),            "keymap_sneak");
	this->add_key(GUI_ID_KEY_DROP_BUTTON,      wgettext("Drop"),             "keymap_drop");
	this->add_key(GUI_ID_KEY_INVENTORY_BUTTON, wgettext("Inventory"),        "keymap_inventory");
	this->add_key(GUI_ID_KEY_HOTBAR_PREV_BUTTON,wgettext("Prev. item"),      "keymap_hotbar_previous");
	this->add_key(GUI_ID_KEY_HOTBAR_NEXT_BUTTON,wgettext("Next item"),       "keymap_hotbar_next");
	this->add_key(GUI_ID_KEY_MUTE_BUTTON,      wgettext("Mute"),             "keymap_mute");
	this->add_key(GUI_ID_KEY_DEC_VOLUME_BUTTON,wgettext("Dec. volume"),      "keymap_decrease_volume");
	this->add_key(GUI_ID_KEY_INC_VOLUME_BUTTON,wgettext("Inc. volume"),      "keymap_increase_volume");
	this->add_key(GUI_ID_KEY_CHAT_BUTTON,      wgettext("Chat"),             "keymap_chat");
	this->add_key(GUI_ID_KEY_CMD_BUTTON,       wgettext("Command"),          "keymap_cmd");
	this->add_key(GUI_ID_KEY_CMD_LOCAL_BUTTON, wgettext("Local command"),    "keymap_cmd_local");
	this->add_key(GUI_ID_KEY_CONSOLE_BUTTON,   wgettext("Console"),          "keymap_console");
	this->add_key(GUI_ID_KEY_FLY_BUTTON,       wgettext("Toggle fly"),       "keymap_freemove");
	this->add_key(GUI_ID_KEY_FAST_BUTTON,      wgettext("Toggle fast"),      "keymap_fastmove");
	this->add_key(GUI_ID_KEY_CINEMATIC_BUTTON, wgettext("Toggle Cinematic"), "keymap_cinematic");
	this->add_key(GUI_ID_KEY_NOCLIP_BUTTON,    wgettext("Toggle noclip"),    "keymap_noclip");
	this->add_key(GUI_ID_KEY_RANGE_BUTTON,     wgettext("Range select"),     "keymap_rangeselect");
	this->add_key(GUI_ID_KEY_DUMP_BUTTON,      wgettext("Print stacks"),     "keymap_print_debug_stacks");
	this->add_key(GUI_ID_KEY_ZOOM_BUTTON,      wgettext("Zoom"),             "keymap_zoom");
}
ofs	hex dump	ascii
0000	89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 00 20 00 00 00 20 08 06 00 00 00 73 7a 7a	.PNG........IHDR.............szz
0020	f4 00 00 00 06 62 4b 47 44 00 ff 00 ff 00 ff a0 bd a7 93 00 00 00 09 70 48 59 73 00 00 0b 13 00	.....bKGD..............pHYs.....
0040	00 0b 13 01 00 9a 9c 18 00 00 00 07 74 49 4d 45 07 e2 0a 09 08 10 3a 22 3d dd 59 00 00 00 1d 69	............tIME......:"=.Y....i
0060	54 58 74 43 6f 6d 6d 65 6e 74 00 00 00 00 00 43 72 65 61 74 65 64 20 77 69 74 68 20 47 49 4d 50	TXtComment.....Created.with.GIMP
0080	64 2e 65 07 00 00 00 81 49 44 41 54 58 c3 ed 94 3b 0e c0 20 0c 43 63 ee d4 85 eb f6 2e 2c 3d 54	d.e.....IDATX...;....Cc......,=T
00a0	ba 64 68 55 2a 41 8c c4 e2 27 b1 a0 60 9b f0 31 13 42 08 02 6f e6 de cc 19 0d 30 e6 2f a1 9a d3	.dhU*A...'..`..1.B..o.....0./...
00c0	c2 0a 73 26 04 b2 e6 a8 9f f9 54 08 30 e6 57 cc 1f 44 88 c2 b6 9d ad c5 ac 60 ec ee cf 00 9d 5a	..s&......T.0.W..D.......`.....Z
00e0	ae 03 b3 82 cf 9a 91 4e 0c 1f 41 d7 fc 8c 41 bc 86 92 36 5f b4 26 fd 11 75 ee 01 a3 b5 ef 2b 2e	.......N..A...A...6_.&..u.....+.
0100	b6 19 05 d8 1e 40 08 21 6e ca 61 31 e5 7e 86 82 91 00 00 00 00 49 45 4e 44 ae 42 60 82	.....@.!n.a1.~.......IEND.B`.