Merge branch 'master' into jgrpp

# Conflicts:
#	cmake/SourceList.cmake
#	src/build_vehicle_gui.cpp
#	src/company_gui.cpp
#	src/console_cmds.cpp
#	src/depot_base.h
#	src/elrail.cpp
#	src/network/core/udp.cpp
#	src/network/network_admin.cpp
#	src/network/network_chat_gui.cpp
#	src/network/network_gui.cpp
#	src/network/network_server.cpp
#	src/newgrf.cpp
#	src/newgrf_engine.cpp
#	src/newgrf_railtype.cpp
#	src/newgrf_railtype.h
#	src/newgrf_storage.h
#	src/os/unix/crashlog_unix.cpp
#	src/rail.h
#	src/rail_cmd.cpp
#	src/rail_gui.cpp
#	src/road_cmd.cpp
#	src/road_map.h
#	src/saveload/labelmaps_sl.cpp
#	src/settings_gui.cpp
#	src/settings_type.h
#	src/sl/oldloader_sl.cpp
#	src/station_cmd.cpp
#	src/station_gui.cpp
#	src/table/settings/world_settings.ini
#	src/tests/test_script_admin.cpp
#	src/textfile_gui.cpp
#	src/toolbar_gui.cpp
#	src/train_cmd.cpp
#	src/tunnelbridge_cmd.cpp
#	src/vehicle_gui.cpp
#	src/widget.cpp
#	src/window.cpp
#	src/window_gui.h
#	src/window_type.h

src/gfx_layout.cpp

@@ -274,11 +274,14 @@ Point Layouter::GetCharPosition(std::string_view::const_iterator ch) const
 /**
  * Get the character that is at a pixel position in the first line of the layouted text.
  * @param x Position in the string.
+ * @param line_index Which line of the layout to search
  * @return String offset of the position (bytes) or -1 if no character is at the position.
  */
-ptrdiff_t Layouter::GetCharAtPosition(int x) const
+ptrdiff_t Layouter::GetCharAtPosition(int x, size_t line_index) const
 {
-	const auto &line = this->front();
+	if (line_index >= this->size()) return -1;
+
+	const auto &line = this->at(line_index);
 
 	for (int run_index = 0; run_index < line->CountRuns(); run_index++) {
 		const ParagraphLayouter::VisualRun &run = line->GetVisualRun(run_index);