Add: another go-to-location button to the sign window.

src/lang/english.txt

@@ -3100,6 +3100,7 @@ STR_SIGN_LIST_MATCH_CASE_TOOLTIP                                :{BLACK}Toggle m
 
 # Sign window
 STR_EDIT_SIGN_CAPTION                                           :{WHITE}Edit sign text
+STR_EDIT_SIGN_LOCATION_TOOLTIP                                  :{BLACK}Centre the main view on sign location. Ctrl+Click opens a new viewport on sign location
 STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP                                 :{BLACK}Go to next sign
 STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP                             :{BLACK}Go to previous sign
 

src/signs_gui.cpp

@@ -25,6 +25,7 @@
 #include "core/geometry_func.hpp"
 #include "hotkeys.h"
 #include "transparency.h"
+#include "gui.h"
 
 #include "widgets/sign_widget.h"
 
@@ -486,6 +487,17 @@ struct SignWindow : Window, SignList {
 	void OnClick(Point pt, int widget, int click_count) override
 	{
 		switch (widget) {
+			case WID_QES_LOCATION: {
+				const Sign *si = Sign::Get(this->cur_sign);
+				TileIndex tile = TileVirtXY(si->x, si->y);
+				if (_ctrl_pressed) {
+					ShowExtraViewportWindow(tile);
+				} else {
+					ScrollMainWindowToTile(tile);
+				}
+				break;
+			}
+
 			case WID_QES_PREVIOUS:
 			case WID_QES_NEXT: {
 				const Sign *si = this->PrevNextSign(widget == WID_QES_NEXT);
@@ -523,6 +535,7 @@ static const NWidgetPart _nested_query_sign_edit_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
 		NWidget(WWT_CAPTION, COLOUR_GREY, WID_QES_CAPTION), SetDataTip(STR_WHITE_STRING, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_QES_LOCATION), SetMinimalSize(12, 14), SetDataTip(SPR_GOTO_LOCATION, STR_EDIT_SIGN_LOCATION_TOOLTIP),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY),
 		NWidget(WWT_EDITBOX, COLOUR_GREY, WID_QES_TEXT), SetMinimalSize(256, 12), SetDataTip(STR_EDIT_SIGN_SIGN_OSKTITLE, STR_NULL), SetPadding(2, 2, 2, 2),

src/widgets/sign_widget.h

@@ -24,6 +24,7 @@ enum SignListWidgets {
 /** Widgets of the #SignWindow class. */
 enum QueryEditSignWidgets {
 	WID_QES_CAPTION,  ///< Caption of the window.
+	WID_QES_LOCATION, ///< Scroll to sign location.
 	WID_QES_TEXT,     ///< Text of the query.
 	WID_QES_OK,       ///< OK button.
 	WID_QES_CANCEL,   ///< Cancel button.