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/* $Id$ */

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/** @file signs_gui.cpp The GUI for signs. */

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#include "stdafx.h"

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#include "openttd.h"

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#include "gui.h"

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#include "textbuf_gui.h"

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#include "window_gui.h"

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#include "player_gui.h"

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#include "player_func.h"

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#include "signs_base.h"

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#include "signs_func.h"

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#include "debug.h"

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#include "variables.h"

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#include "command_func.h"

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#include "strings_func.h"

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#include "core/alloc_func.hpp"

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#include "window_func.h"

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#include "map_func.h"

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#include "gfx_func.h"

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#include "viewport_func.h"

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#include "querystring_gui.h"

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#include "table/strings.h"

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#include "table/sprites.h"

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	}

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	SignListWindow(const WindowDesc *desc, WindowNumber window_number) : Window(desc, window_number)

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	{

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		this->vscroll.cap = 12;

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		this->resize.step_height = 10;

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		this->resize.height = this->height - 10 * 7; // minimum if 5 in the list

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		this->FindWindowPlacementAndResize(desc);

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	}

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	virtual void OnPaint()

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	{

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		SetDParam(0, this->vscroll.count);

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		this->DrawWidgets();

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		/* No signs? */

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		int y = 16; // offset from top of widget

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		if (this->vscroll.count == 0) {

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			DrawString(2, y, STR_304A_NONE, TC_FROMSTRING);

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			return;

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		}

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		/* Start drawing the signs */

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		for (uint16 i = this->vscroll.pos; i < this->vscroll.cap + this->vscroll.pos && i < this->vscroll.count; i++) {

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			if (si->owner != OWNER_NONE) DrawPlayerIcon(si->owner, 4, y + 1);

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			SetDParam(0, si->index);

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			DrawString(22, y, STR_SIGN_NAME, TC_YELLOW);

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			y += 10;

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		}

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	}

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	virtual void OnClick(Point pt, int widget)

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	{

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		if (widget == 3) {

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			uint32 id_v = (pt.y - 15) / 10;

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			if (id_v >= this->vscroll.cap) return;

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			id_v += this->vscroll.pos;

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			if (id_v >= this->vscroll.count) return;

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			ScrollMainWindowToTile(TileVirtXY(si->x, si->y));

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		}

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	}

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	virtual void OnResize(Point new_size, Point delta)

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	{

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		this->vscroll.cap += delta.y / 10;

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	}

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};

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static const Widget _sign_list_widget[] = {

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{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,              STR_018B_CLOSE_WINDOW},

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{    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,   345,     0,    13, STR_SIGN_LIST_CAPTION, STR_018C_WINDOW_TITLE_DRAG_THIS},

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{  WWT_STICKYBOX,     RESIZE_LR,    14,   346,   357,     0,    13, 0x0,                   STR_STICKY_BUTTON},

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{      WWT_PANEL,     RESIZE_RB,    14,     0,   345,    14,   137, 0x0,                   STR_NULL},

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{  WWT_SCROLLBAR,    RESIZE_LRB,    14,   346,   357,    14,   125, 0x0,                   STR_0190_SCROLL_BAR_SCROLLS_LIST},

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{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   346,   357,   126,   137, 0x0,                   STR_RESIZE_BUTTON},

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{   WIDGETS_END},

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};

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static const WindowDesc _sign_list_desc = {

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	WDP_AUTO, WDP_AUTO, 358, 138, 358, 138,

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	WC_SIGN_LIST, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_RESIZABLE,

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	_sign_list_widget,

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};

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void ShowSignList()

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{

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	AllocateWindowDescFront<SignListWindow>(&_sign_list_desc, 0);

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}

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static void RenameSign(SignID index, const char *text)

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{

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	_cmd_text = text;

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	DoCommandP(0, index, 0, NULL, CMD_RENAME_SIGN | CMD_MSG(STR_280C_CAN_T_CHANGE_SIGN_NAME));

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}

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enum QueryEditSignWidgets {

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	QUERY_EDIT_SIGN_WIDGET_TEXT = 3,

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	QUERY_EDIT_SIGN_WIDGET_OK,

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	QUERY_EDIT_SIGN_WIDGET_CANCEL,

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	QUERY_EDIT_SIGN_WIDGET_DELETE,

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	QUERY_EDIT_SIGN_WIDGET_PREVIOUS = QUERY_EDIT_SIGN_WIDGET_DELETE + 2,

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	QUERY_EDIT_SIGN_WIDGET_NEXT,

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};

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	SignID cur_sign;

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	SignWindow(const WindowDesc *desc, const Sign *si) : QueryStringBaseWindow(desc)

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	{

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		SetBit(_no_scroll, SCROLL_EDIT);

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		this->caption = STR_280B_EDIT_SIGN_TEXT;

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		this->afilter = CS_ALPHANUMERAL;

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		this->LowerWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);

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		UpdateSignEditWindow(si);

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		this->FindWindowPlacementAndResize(desc);

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	}

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	~SignWindow()

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	{

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		ClrBit(_no_scroll, SCROLL_EDIT);

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	}

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	void UpdateSignEditWindow(const Sign *si)

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	{

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		/* Display an empty string when the sign hasnt been edited yet */

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		if (si->name != NULL) {

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			SetDParam(0, si->index);

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			GetString(this->edit_str_buf, STR_SIGN_NAME, lastof(this->edit_str_buf));

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		} else {

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			GetString(this->edit_str_buf, STR_EMPTY, lastof(this->edit_str_buf));

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		}

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		this->edit_str_buf[lengthof(this->edit_str_buf) - 1] = '\0';

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		this->cur_sign = si->index;

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		InitializeTextBuffer(&this->text, this->edit_str_buf, 31, 255); // Allow 31 characters (including \0)

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		this->InvalidateWidget(QUERY_EDIT_SIGN_WIDGET_TEXT);

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	}

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	virtual void OnPaint()

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	{

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		SetDParam(0, this->caption);

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		this->DrawWidgets();

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		this->DrawEditBox(QUERY_EDIT_SIGN_WIDGET_TEXT);

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	}

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	virtual void OnClick(Point pt, int widget)

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	{

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		switch (widget) {

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			case QUERY_EDIT_SIGN_WIDGET_PREVIOUS: {

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						break;

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					}

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				}

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				/* Scroll to sign and reopen window */

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				ScrollMainWindowToTile(TileVirtXY(si->x, si->y));

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				UpdateSignEditWindow(si);

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			case QUERY_EDIT_SIGN_WIDGET_NEXT: {

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						break;

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					}

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				}

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				/* Scroll to sign and reopen window */

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				ScrollMainWindowToTile(TileVirtXY(si->x, si->y));

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				UpdateSignEditWindow(si);

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			case QUERY_EDIT_SIGN_WIDGET_TEXT:

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				ShowOnScreenKeyboard(this, widget, QUERY_EDIT_SIGN_WIDGET_CANCEL, QUERY_EDIT_SIGN_WIDGET_OK);

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				break;

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			case QUERY_EDIT_SIGN_WIDGET_DELETE:

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				/* Only need to set the buffer to null, the rest is handled as the OK button */

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				DeleteTextBufferAll(&this->text);

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				/* FALL THROUGH */

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			case QUERY_EDIT_SIGN_WIDGET_OK:

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				RenameSign(this->cur_sign, this->text.buf);

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				/* FALL THROUGH */

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			case QUERY_EDIT_SIGN_WIDGET_CANCEL:

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				delete this;

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				break;

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		}

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	}

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	virtual EventState OnKeyPress(uint16 key, uint16 keycode)

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	{

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		EventState state = ES_NOT_HANDLED;

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		switch (this->HandleEditBoxKey(QUERY_EDIT_SIGN_WIDGET_TEXT, key, keycode, state)) {

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			case 1: // Enter pressed, confirms change

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				RenameSign(this->cur_sign, this->text.buf);

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				/* FALL THROUGH */

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			case 2: // ESC pressed, closes window, abandons changes

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				delete this;

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				break;

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		}

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		return state;

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	}

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	virtual void OnMouseLoop()

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	{

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		this->HandleEditBox(QUERY_EDIT_SIGN_WIDGET_TEXT);

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	}

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};

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static const Widget _query_sign_edit_widgets[] = {

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{ WWT_CLOSEBOX, RESIZE_NONE,  14,   0,  10,   0,  13, STR_00C5,          STR_018B_CLOSE_WINDOW},

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{  WWT_CAPTION, RESIZE_NONE,  14,  11, 259,   0,  13, STR_012D,          STR_NULL },

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{    WWT_PANEL, RESIZE_NONE,  14,   0, 259,  14,  29, STR_NULL,          STR_NULL },

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{  WWT_EDITBOX, RESIZE_NONE,  14,   2, 257,  16,  27, STR_SIGN_OSKTITLE, STR_NULL },  // Text field

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{  WWT_TEXTBTN, RESIZE_NONE,  14,   0,  60,  30,  41, STR_012F_OK,       STR_NULL },

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{  WWT_TEXTBTN, RESIZE_NONE,  14,  61, 120,  30,  41, STR_012E_CANCEL,   STR_NULL },

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{  WWT_TEXTBTN, RESIZE_NONE,  14, 121, 180,  30,  41, STR_0290_DELETE,   STR_NULL },

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{    WWT_PANEL, RESIZE_NONE,  14, 181, 237,  30,  41, STR_NULL,          STR_NULL },

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{  WWT_TEXTBTN, RESIZE_NONE,  14, 238, 248,  30,  41, STR_6819,          STR_PREVIOUS_SIGN_TOOLTIP },

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{  WWT_TEXTBTN, RESIZE_NONE,  14, 249, 259,  30,  41, STR_681A,          STR_NEXT_SIGN_TOOLTIP },

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{ WIDGETS_END },

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};

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static const WindowDesc _query_sign_edit_desc = {

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	190, 170, 260, 42, 260, 42,

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	WC_QUERY_STRING, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,

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	_query_sign_edit_widgets,

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};

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void HandleClickOnSign(const Sign *si)

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{

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	if (_ctrl_pressed && si->owner == _local_player) {

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		RenameSign(si->index, "");

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		return;

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	}

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	ShowRenameSignWindow(si);

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}

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void ShowRenameSignWindow(const Sign *si)

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{

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	/* Delete all other edit windows and the save window */

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	DeleteWindowById(WC_QUERY_STRING, 0);

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	DeleteWindowById(WC_SAVELOAD, 0);

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	new SignWindow(&_query_sign_edit_desc, si);

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}