Merge branch 'master' into jgrpp

# Conflicts:
#	src/console.cpp
#	src/os/os2/os2.cpp
#	src/os/unix/font_unix.cpp
#	src/strgen/strgen.h
#	src/strgen/strgen_base.cpp
#	src/table/settings/gui_settings.ini

src/console.cpp

@@ -255,8 +255,7 @@ std::string RemoveUnderscores(std::string name)
  */
 static void IConsoleAliasExec(const IConsoleAlias *alias, byte tokencount, char *tokens[ICON_TOKEN_COUNT], const uint recurse_count)
 {
-	char  alias_buffer[ICON_MAX_STREAMSIZE] = { '\0' };
-	char *alias_stream = alias_buffer;
+	std::string alias_buffer;
 
 	DEBUG(console, 6, "Requested command is an alias; parsing...");
 
@@ -268,14 +267,13 @@ static void IConsoleAliasExec(const IConsoleAlias *alias, byte tokencount, char
 	for (const char *cmdptr = alias->cmdline.c_str(); *cmdptr != '\0'; cmdptr++) {
 		switch (*cmdptr) {
 			case '\'': // ' will double for ""
-				alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
+				alias_buffer += '\"';
 				break;
 
 			case ';': // Cmd separator; execute previous and start new command
-				IConsoleCmdExec(alias_buffer, recurse_count);
+				IConsoleCmdExec(alias_buffer.c_str(), recurse_count);
 
-				alias_stream = alias_buffer;
-				*alias_stream = '\0'; // Make sure the new command is terminated.
+				alias_buffer.clear();
 
 				cmdptr++;
 				break;
@@ -285,21 +283,21 @@ static void IConsoleAliasExec(const IConsoleAlias *alias, byte tokencount, char
 				switch (*cmdptr) {
 					case '+': { // All parameters separated: "[param 1]" "[param 2]"
 						for (uint i = 0; i != tokencount; i++) {
-							if (i != 0) alias_stream = strecpy(alias_stream, " ", lastof(alias_buffer));
-							alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
-							alias_stream = strecpy(alias_stream, tokens[i], lastof(alias_buffer));
-							alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
+							if (i != 0) alias_buffer += ' ';
+							alias_buffer += '\"';
+							alias_buffer += tokens[i];
+							alias_buffer += '\"';
 						}
 						break;
 					}
 
 					case '!': { // Merge the parameters to one: "[param 1] [param 2] [param 3...]"
-						alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
+						alias_buffer += '\"';
 						for (uint i = 0; i != tokencount; i++) {
-							if (i != 0) alias_stream = strecpy(alias_stream, " ", lastof(alias_buffer));
-							alias_stream = strecpy(alias_stream, tokens[i], lastof(alias_buffer));
+							if (i != 0) alias_buffer += " ";
+							alias_buffer += tokens[i];
 						}
-						alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
+						alias_buffer += '\"';
 						break;
 					}
 
@@ -312,27 +310,26 @@ static void IConsoleAliasExec(const IConsoleAlias *alias, byte tokencount, char
 							return;
 						}
 
-						alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
-						alias_stream = strecpy(alias_stream, tokens[param], lastof(alias_buffer));
-						alias_stream = strecpy(alias_stream, "\"", lastof(alias_buffer));
+						alias_buffer += '\"';
+						alias_buffer += tokens[param];
+						alias_buffer += '\"';
 						break;
 					}
 				}
 				break;
 
 			default:
-				*alias_stream++ = *cmdptr;
-				*alias_stream = '\0';
+				alias_buffer += *cmdptr;
 				break;
 		}
 
-		if (alias_stream >= lastof(alias_buffer) - 1) {
+		if (alias_buffer.size() >= ICON_MAX_STREAMSIZE - 1) {
 			IConsoleError("Requested alias execution would overflow execution buffer");
 			return;
 		}
 	}
 
-	IConsoleCmdExec(alias_buffer, recurse_count);
+	IConsoleCmdExec(alias_buffer.c_str(), recurse_count);
 }
 
 /**

src/core/mem_func.hpp

@@ -65,37 +65,4 @@ static inline int MemCmpT(const T *ptr1, const T *ptr2, size_t num = 1)
 	return memcmp(ptr1, ptr2, num * sizeof(T));
 }
 
-/**
- * Type safe memory reverse operation.
- *  Reverse a block of memory in steps given by the
- *  type of the pointers.
- *
- * @param ptr1 Start-pointer to the block of memory.
- * @param ptr2 End-pointer to the block of memory.
- */
-template <typename T>
-static inline void MemReverseT(T *ptr1, T *ptr2)
-{
-	assert(ptr1 != nullptr && ptr2 != nullptr);
-	assert(ptr1 < ptr2);
-
-	do {
-		Swap(*ptr1, *ptr2);
-	} while (++ptr1 < --ptr2);
-}
-
-/**
- * Type safe memory reverse operation (overloaded)
- *
- * @param ptr Pointer to the block of memory.
- * @param num The number of items we want to reverse.
- */
-template <typename T>
-static inline void MemReverseT(T *ptr, size_t num)
-{
-	assert(ptr != nullptr);
-
-	MemReverseT(ptr, ptr + (num - 1));
-}
-
 #endif /* MEM_FUNC_HPP */

src/game/game_text.cpp

@@ -288,10 +288,9 @@ static void ExtractStringParams(const StringData &data, StringParamsList &params
 
 		if (ls != nullptr) {
 			StringParams &param = params.emplace_back();
-			ParsedCommandStruct pcs;
-			ExtractCommandString(&pcs, ls->english, false);
+			ParsedCommandStruct pcs = ExtractCommandString(ls->english.c_str(), false);
 
-			for (const CmdStruct *cs : pcs.cmd) {
+			for (const CmdStruct *cs : pcs.consuming_commands) {
 				if (cs == nullptr) break;
 				param.emplace_back(GetParamType(cs), cs->consumes);
 			}

src/gfx.cpp

@@ -2230,77 +2230,39 @@ void SetAnimatedMouseCursor(const AnimCursor *table)
 }
 
 /**
- * Update cursor position on mouse movement for relative modes.
+ * Update cursor position based on a relative change.
+ *
  * @param delta_x How much change in the X position.
  * @param delta_y How much change in the Y position.
  */
 void CursorVars::UpdateCursorPositionRelative(int delta_x, int delta_y)
 {
-	if (this->fix_at) {
-		this->delta.x = delta_x;
-		this->delta.y = delta_y;
-	} else {
-		int last_position_x = this->pos.x;
-		int last_position_y = this->pos.y;
-
-		this->pos.x = Clamp(this->pos.x + delta_x, 0, _cur_resolution.width - 1);
-		this->pos.y = Clamp(this->pos.y + delta_y, 0, _cur_resolution.height - 1);
+	assert(this->fix_at);
 
-		this->delta.x = last_position_x - this->pos.x;
-		this->delta.y = last_position_y - this->pos.y;
-
-		this->dirty = true;
-	}
+	this->delta.x = delta_x;
+	this->delta.y = delta_y;
 }
 
 /**
  * Update cursor position on mouse movement.
  * @param x New X position.
  * @param y New Y position.
- * @param queued_warp True, if the OS queues mouse warps after pending mouse movement events.
- *                    False, if the warp applies instantaneous.
  * @return true, if the OS cursor position should be warped back to this->pos.
  */
-bool CursorVars::UpdateCursorPosition(int x, int y, bool queued_warp)
+bool CursorVars::UpdateCursorPosition(int x, int y)
 {
-	/* Detecting relative mouse movement is somewhat tricky.
-	 *  - There may be multiple mouse move events in the video driver queue (esp. when OpenTTD lags a bit).
-	 *  - When we request warping the mouse position (return true), a mouse move event is appended at the end of the queue.
-	 *
-	 * So, when this->fix_at is active, we use the following strategy:
-	 *  - The first movement triggers the warp to reset the mouse position.
-	 *  - Subsequent events have to compute movement relative to the previous event.
-	 *  - The relative movement is finished, when we receive the event matching the warp.
-	 */
-
-	if (x == this->pos.x && y == this->pos.y) {
-		/* Warp finished. */
-		this->queued_warp = false;
-	}
-
-	this->delta.x = x - (this->queued_warp ? this->last_position.x : this->pos.x);
-	this->delta.y = y - (this->queued_warp ? this->last_position.y : this->pos.y);
+	this->delta.x = x - this->pos.x;
+	this->delta.y = y - this->pos.y;
 
-	this->last_position.x = x;
-	this->last_position.y = y;
-
-	bool need_warp = false;
 	if (this->fix_at) {
-		if (this->delta.x != 0 || this->delta.y != 0) {
-			/* Trigger warp.
-			 * Note: We also trigger warping again, if there is already a pending warp.
-			 *       This makes it more tolerant about the OS or other software in between
-			 *       botchering the warp. */
-			this->queued_warp = queued_warp;
-			need_warp = true;
-		}
+		return this->delta.x != 0 || this->delta.y != 0;
 	} else if (this->pos.x != x || this->pos.y != y) {
-		this->queued_warp = false; // Cancel warping, we are no longer confining the position.
 		this->dirty = true;
 		this->pos.x = x;
 		this->pos.y = y;
 	}
-	return need_warp;
+
+	return false;
 }
 
 bool ChangeResInGame(int width, int height)

src/gfx_type.h

@@ -145,11 +145,7 @@ struct CursorVars {
 	bool vehchain;                ///< vehicle chain is dragged
 
 	void UpdateCursorPositionRelative(int delta_x, int delta_y);
-	bool UpdateCursorPosition(int x, int y, bool queued_warp);
-
-private:
-	bool queued_warp;
-	Point last_position;
+	bool UpdateCursorPosition(int x, int y);
 };
 
 /** Data about how and where to blit pixels. */

src/network/network_survey.cpp

@@ -270,6 +270,33 @@ static void SurveyGameScript(nlohmann::json &survey)
 	survey = fmt::format("{}.{}", Game::GetInfo()->GetName(), Game::GetInfo()->GetVersion());
 }
 
+/**
+ * Change the bytes of memory into a textual version rounded up to the biggest unit.
+ *
+ * For example, 16751108096 would become 16 GiB.
+ *
+ * @param memory The bytes of memory.
+ * @return std::string A textual representation.
+ */
+std::string SurveyMemoryToText(uint64_t memory)
+{
+	memory = memory / 1024; // KiB
+	memory = CeilDiv(memory, 1024); // MiB
+
+	/* Anything above 512 MiB we represent in GiB. */
+	if (memory > 512) {
+		return fmt::format("{} GiB", CeilDiv(memory, 1024));
+	}
+
+	/* Anything above 64 MiB we represent in a multiplier of 128 MiB. */
+	if (memory > 64) {
+		return fmt::format("{} MiB", Ceil(memory, 128));
+	}
+
+	/* Anything else in a multiplier of 4 MiB. */
+	return fmt::format("{} MiB", Ceil(memory, 4));
+}
+
 #endif /* WITH_NLOHMANN_JSON */
 
 /**
@@ -300,8 +327,6 @@ std::string NetworkSurveyHandler::CreatePayload(Reason reason, bool for_preview)
 	{
 		auto &info = survey["info"];
 		SurveyOS(info["os"]);
-		info["os"]["hardware_concurrency"] = std::thread::hardware_concurrency();
-
 		SurveyOpenTTD(info["openttd"]);
 		SurveyConfiguration(info["configuration"]);
 		SurveyFont(info["font"]);

src/openttd.cpp

@@ -595,9 +595,9 @@ void MakeNewgameSettingsLive()
 void OpenBrowser(const char *url)
 {
 	/* Make sure we only accept urls that are sure to open a browser. */
-	if (strstr(url, "http://") != url && strstr(url, "https://") != url) return;
-
-	OSOpenBrowser(url);
+	if (StrStartsWith(url, "http://") || StrStartsWith(url, "https://")) {
+		OSOpenBrowser(url);
+	}
 }
 
 /** Callback structure of statements to be executed after the NewGRF scan. */

src/os/macosx/macos.mm

@@ -189,25 +189,21 @@ const char *GetCurrentLocale(const char *)
 /**
  * Return the contents of the clipboard (COCOA).
  *
- * @param buffer Clipboard content.
- * @param last The pointer to the last element of the destination buffer
- * @return Whether clipboard is empty or not.
+ * @return The (optional) clipboard contents.
  */
-bool GetClipboardContents(char *buffer, const char *last)
+std::optional<std::string> GetClipboardContents()
 {
 	NSPasteboard *pb = [ NSPasteboard generalPasteboard ];
 	NSArray *types = [ NSArray arrayWithObject:NSPasteboardTypeString ];
 	NSString *bestType = [ pb availableTypeFromArray:types ];
 
 	/* Clipboard has no text data available. */
-	if (bestType == nil) return false;
+	if (bestType == nil) return std::nullopt;
 
 	NSString *string = [ pb stringForType:NSPasteboardTypeString ];
-	if (string == nil || [ string length ] == 0) return false;
+	if (string == nil || [ string length ] == 0) return std::nullopt;
 
-	strecpy(buffer, [ string UTF8String ], last);
-
-	return true;
+	return [ string UTF8String ];
 }
 
 /** Set the application's bundle directory.

src/os/macosx/survey_osx.cpp

@@ -16,9 +16,12 @@
 
 #include <mach-o/arch.h>
 #include <nlohmann/json.hpp>
+#include <thread>
 
 #include "../../safeguards.h"
 
+extern std::string SurveyMemoryToText(uint64_t memory);
+
 void SurveyOS(nlohmann::json &json)
 {
 	int ver_maj, ver_min, ver_bug;
@@ -32,7 +35,8 @@ void SurveyOS(nlohmann::json &json)
 	json["min_ver"] = MAC_OS_X_VERSION_MIN_REQUIRED;
 	json["max_ver"] = MAC_OS_X_VERSION_MAX_ALLOWED;
 
-	json["memory"] = MacOSGetPhysicalMemory();
+	json["memory"] = SurveyMemoryToText(MacOSGetPhysicalMemory());
+	json["hardware_concurrency"] = std::thread::hardware_concurrency();
 }
 
 #endif /* WITH_NLOHMANN_JSON */

src/os/os2/os2.cpp

@@ -174,27 +174,25 @@ int CDECL main(int argc, char *argv[])
 	return openttd_main(argc, argv);
 }
 
-bool GetClipboardContents(char *buffer, const char *last)
+std::optional<std::string> GetClipboardContents()
 {
 /* XXX -- Currently no clipboard support implemented with GCC */
 #ifndef __INNOTEK_LIBC__
 	HAB hab = 0;
 
-	if (WinOpenClipbrd(hab))
-	{
-		const char *text = (const char*)WinQueryClipbrdData(hab, CF_TEXT);
+	if (WinOpenClipbrd(hab)) {
+		const char *text = (const char *)WinQueryClipbrdData(hab, CF_TEXT);
 
-		if (text != nullptr)
-		{
-			strecpy(buffer, text, last);
+		if (text != nullptr) {
+			std::string result = text;
 			WinCloseClipbrd(hab);
-			return true;
+			return result;
 		}
 
 		WinCloseClipbrd(hab);
 	}
 #endif
-	return false;
+	return std::nullopt;
 }
 
 

src/os/unix/survey_unix.cpp

@@ -13,10 +13,13 @@
 
 #include <nlohmann/json.hpp>
 #include <sys/utsname.h>
+#include <thread>
 #include <unistd.h>
 
 #include "../../safeguards.h"
 
+extern std::string SurveyMemoryToText(uint64_t memory);
+
 void SurveyOS(nlohmann::json &json)
 {
 	struct utsname name;
@@ -32,7 +35,8 @@ void SurveyOS(nlohmann::json &json)
 
 	long pages = sysconf(_SC_PHYS_PAGES);
 	long page_size = sysconf(_SC_PAGE_SIZE);
-	json["memory"] = pages * page_size;
+	json["memory"] = SurveyMemoryToText(pages * page_size);
+	json["hardware_concurrency"] = std::thread::hardware_concurrency();
 }
 
 #endif /* WITH_NLOHMANN_JSON */

src/os/unix/unix.cpp

@@ -270,22 +270,20 @@ int CDECL main(int argc, char *argv[])
 }
 
 #ifndef WITH_COCOA
-bool GetClipboardContents(char *buffer, const char *last)
+std::optional<std::string> GetClipboardContents()
 {
 #ifdef WITH_SDL2
-	if (SDL_HasClipboardText() == SDL_FALSE) {
-		return false;
-	}
+	if (SDL_HasClipboardText() == SDL_FALSE) return std::nullopt;
 
 	char *clip = SDL_GetClipboardText();
 	if (clip != nullptr) {
-		strecpy(buffer, clip, last);
+		std::string result = clip;
 		SDL_free(clip);
-		return true;
+		return result;
 	}
 #endif
 
-	return false;
+	return std::nullopt;
 }
 #endif
 

src/os/windows/survey_win.cpp

@@ -14,10 +14,13 @@
 #include "../../core/format.hpp"
 
 #include <nlohmann/json.hpp>
+#include <thread>
 #include <windows.h>
 
 #include "../../safeguards.h"
 
+extern std::string SurveyMemoryToText(uint64_t memory);
+
 void SurveyOS(nlohmann::json &json)
 {
 	_OSVERSIONINFOA os;
@@ -31,7 +34,8 @@ void SurveyOS(nlohmann::json &json)
 	status.dwLength = sizeof(status);
 	GlobalMemoryStatusEx(&status);
 
-	json["memory"] = status.ullTotalPhys;
+	json["memory"] = SurveyMemoryToText(status.ullTotalPhys);
+	json["hardware_concurrency"] = std::thread::hardware_concurrency();
 }
 
 #endif /* WITH_NLOHMANN_JSON */

src/os/windows/win32.cpp

@@ -549,26 +549,19 @@ void DetermineBasePaths(const char *exe)
 }
 
 
-bool GetClipboardContents(char *buffer, const char *last)
+std::optional<std::string> GetClipboardContents()
 {
-	HGLOBAL cbuf;
-	const char *ptr;
+	if (!IsClipboardFormatAvailable(CF_UNICODETEXT)) return std::nullopt;
 
-	if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
-		OpenClipboard(nullptr);
-		cbuf = GetClipboardData(CF_UNICODETEXT);
+	OpenClipboard(nullptr);
+	HGLOBAL cbuf = GetClipboardData(CF_UNICODETEXT);
 
-		ptr = (const char*)GlobalLock(cbuf);
-		int out_len = WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)ptr, -1, buffer, (last - buffer) + 1, nullptr, nullptr);
-		GlobalUnlock(cbuf);
-		CloseClipboard();
+	std::string result = FS2OTTD(static_cast<LPCWSTR>(GlobalLock(cbuf)));
+	GlobalUnlock(cbuf);
+	CloseClipboard();
 
-		if (out_len == 0) return false;
-	} else {
-		return false;
-	}
-
-	return true;
+	if (result.empty()) return std::nullopt;
+	return result;
 }
 
 

src/sortlist_type.h

@@ -242,7 +242,7 @@ public:
 	{
 		this->flags ^= VL_DESC;
 
-		if (this->IsSortable()) MemReverseT(std::vector<T>::data(), std::vector<T>::size());
+		if (this->IsSortable()) std::reverse(std::vector<T>::begin(), std::vector<T>::end());
 	}
 
 	/**

src/strgen/strgen.h

@@ -16,40 +16,39 @@
 #include <string>
 #include <vector>
 
+#include <unordered_map>
+#include <array>
+
 /** Container for the different cases of a string. */
 struct Case {
-	int caseidx;  ///< The index of the case.
-	char *string; ///< The translation of the case.
-	Case *next;   ///< The next, chained, case.
+	int caseidx;        ///< The index of the case.
+	std::string string; ///< The translation of the case.
 
-	Case(int caseidx, const char *string, Case *next);
-	~Case();
+	Case(int caseidx, std::string string);
 };
 
 /** Information about a single string. */
 struct LangString {
-	char *name;            ///< Name of the string.
-	char *english;         ///< English text.
-	char *translated;      ///< Translated text.
-	LangString *hash_next; ///< Next hash entry.
-	int index;             ///< The index in the language file.
-	int line;              ///< Line of string in source-file.
-	Case *translated_case; ///< Cases of the translation.
+	std::string name;       ///< Name of the string.
+	std::string english;    ///< English text.
+	std::string translated; ///< Translated text.
+	int index;              ///< The index in the language file.
+	int line;               ///< Line of string in source-file.
+	std::vector<Case> translated_cases; ///< Cases of the translation.
 	std::unique_ptr<LangString> chain_before;
 	std::unique_ptr<LangString> chain_after;
 	bool no_translate_mode = false;
 	LangString *default_translation = nullptr;
 
-	LangString(const char *name, const char *english, int index, int line);
-	void ReplaceDefinition(const char *name, const char *english, int line);
-	~LangString();
+	LangString(std::string name, std::string english, size_t index, int line);
+	void ReplaceDefinition(std::string english, int line);
 	void FreeTranslation();
 };
 
 /** Information about the currently known strings. */
 struct StringData {
-	LangString **strings; ///< Array of all known strings.
-	LangString **hash_heads; ///< Hash table for the strings.
+	std::vector<LangString *> strings; ///< List of all known strings.
+	std::unordered_map<std::string_view, LangString *> name_to_string; ///< Lookup table for the strings.
 	size_t tabs;          ///< The number of 'tabs' of strings.
 	size_t max_strings;   ///< The maximum number of strings.
 	int next_string_id;   ///< The next string ID to allocate.
@@ -62,11 +61,8 @@ struct StringData {
 	LangString *default_translation = nullptr;
 
 	StringData(size_t tabs);
-	~StringData();
 	void FreeTranslation();
-	uint HashStr(const char *s) const;
-	void Add(const char *s, LangString *ls);
-	LangString *Find(const char *s);
+	LangString *Find(const std::string_view s);
 	uint VersionHashStr(uint hash, const char *s) const;
 	uint Version() const;
 	uint CountInUse(uint tab) const;
@@ -79,8 +75,8 @@ struct StringReader {
 	bool master;      ///< Are we reading the master file?
 	bool translation; ///< Are we reading a translation, implies !master. However, the base translation will have this false.
 
-	StringReader(StringData &data, const char *file, bool master, bool translation);
-	virtual ~StringReader();
+	StringReader(StringData &data, std::string file, bool master, bool translation);
+	virtual ~StringReader() {}
 	void HandleString(char *str);
 
 	/**
@@ -157,18 +153,17 @@ struct LanguageWriter {
 struct CmdStruct;
 
 struct CmdPair {
-	const CmdStruct *a;
-	const char *v;
+	const CmdStruct *cmd;
+	std::string param;
 };
 
 struct ParsedCommandStruct {
-	uint np;
-	CmdPair pairs[32];
-	const CmdStruct *cmd[32]; // ordered by param #
+	std::vector<CmdPair> non_consuming_commands;
+	std::array<const CmdStruct*, 32> consuming_commands{ nullptr }; // ordered by param #
 };
 
 const CmdStruct *TranslateCmdForCompare(const CmdStruct *a);
-void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings);
+ParsedCommandStruct ExtractCommandString(const char *s, bool warnings);
 
 void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
 void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);

src/strgen/strgen_base.cpp

@@ -37,20 +37,12 @@ static const CmdStruct *ParseCommandString(const char **str, char *param, int *a
  * Create a new case.
  * @param caseidx The index of the case.
  * @param string  The translation of the case.
- * @param next    The next chained case.
  */
-Case::Case(int caseidx, const char *string, Case *next) :
-		caseidx(caseidx), string(stredup(string)), next(next)
+Case::Case(int caseidx, std::string string) :
+		caseidx(caseidx), string(std::move(string))
 {
 }
 
-/** Free everything we allocated. */
-Case::~Case()
-{
-	free(this->string);
-	delete this->next;
-}
-
 /**
  * Create a new string.
  * @param name    The name of the string.
@@ -58,38 +50,22 @@ Case::~Case()
  * @param index   The index in the string table.
  * @param line    The line this string was found on.
  */
-LangString::LangString(const char *name, const char *english, int index, int line) :
-		name(stredup(name)), english(stredup(english)), translated(nullptr),
-		hash_next(0), index(index), line(line), translated_case(nullptr)
+LangString::LangString(std::string name, std::string english, size_t index, int line) :
+		name(std::move(name)), english(std::move(english)), index(index), line(line)
 {
 }
 
-/** Free everything we allocated. */
-LangString::~LangString()
+void LangString::ReplaceDefinition(std::string english, int line)
 {
-	free(this->name);
-	free(this->english);
-	free(this->translated);
-	delete this->translated_case;
-}
-
-void LangString::ReplaceDefinition(const char *name, const char *english, int line)
-{
-	free(this->name);
-	free(this->english);
-	this->name = stredup(name);
-	this->english = stredup(english);
+	this->english = std::move(english);
 	this->line = line;
 }
 
 /** Free all data related to the translation. */
 void LangString::FreeTranslation()
 {
-	free(this->translated);
-	this->translated = nullptr;
-
-	delete this->translated_case;
-	this->translated_case = nullptr;
+	this->translated.clear();
+	this->translated_cases.clear();
 }
 
 /**
@@ -98,18 +74,10 @@ void LangString::FreeTranslation()
  */
 StringData::StringData(size_t tabs) : tabs(tabs), max_strings(tabs * TAB_SIZE)
 {
-	this->strings = CallocT<LangString *>(max_strings);
-	this->hash_heads = CallocT<LangString *>(max_strings);
+	this->strings.resize(max_strings);
 	this->next_string_id = 0;
 }
 
-/** Free everything we allocated. */
-StringData::~StringData()
-{
-	free(this->strings);
-	free(this->hash_heads);
-}
-
 /** Free all data related to the translation. */
 void StringData::FreeTranslation()
 {
@@ -119,45 +87,17 @@ void StringData::FreeTranslation()
 	}
 }
 
-/**
- * Create a hash of the string for finding them back quickly.
- * @param s The string to hash.
- * @return The hashed string.
- */
-uint StringData::HashStr(const char *s) const
-{
-	uint hash = 0;
-	for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
-	return hash % this->max_strings;
-}
-
-/**
- * Add a newly created LangString.
- * @param s  The name of the string.
- * @param ls The string to add.
- */
-void StringData::Add(const char *s, LangString *ls)
-{
-	uint hash = this->HashStr(s);
-	ls->hash_next = this->hash_heads[hash];
-	/* Off-by-one for hash find. */
-	this->hash_heads[hash] = ls;
-}
-
 /**
  * Find a LangString based on the string name.
  * @param s The string name to search on.
  * @return The LangString or nullptr if it is not known.
  */
-LangString *StringData::Find(const char *s)
+LangString *StringData::Find(const std::string_view s)
 {
-	LangString *ls = this->hash_heads[this->HashStr(s)];
+	auto it = this->name_to_string.find(s);
+	if (it == this->name_to_string.end()) return nullptr;
 
-	while (ls != nullptr) {
-		if (strcmp(ls->name, s) == 0) return ls;
-		ls = ls->hash_next;
-	}
-	return nullptr;
+	return it->second;
 }
 
 /**
@@ -193,12 +133,12 @@ uint StringData::Version() const
 			int argno;
 			int casei;
 
-			s = ls->name;
+			s = ls->name.c_str();
 			hash ^= i * 0x717239;
 			hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
 			hash = this->VersionHashStr(hash, s + 1);
 
-			s = ls->english;
+			s = ls->english.c_str();
 			while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != nullptr) {
 				if (cs->flags & C_DONTCOUNT) continue;
 
@@ -390,7 +330,7 @@ void EmitPlural(Buffer *buffer, char *buf, int value)
 	/* Parse out the number, if one exists. Otherwise default to prev arg. */
 	if (!ParseRelNum(&buf, &argidx, &offset)) argidx--;
 
-	const CmdStruct *cmd = _cur_pcs.cmd[argidx];
+	const CmdStruct *cmd = _cur_pcs.consuming_commands[argidx];
 	if (offset == -1) {
 		/* Use default offset */
 		if (cmd == nullptr || cmd->default_plural_offset < 0) {
@@ -455,7 +395,7 @@ void EmitGender(Buffer *buffer, char *buf, int value)
 		 * If no relative number exists, default to +0 */
 		ParseRelNum(&buf, &argidx, &offset);
 
-		const CmdStruct *cmd = _cur_pcs.cmd[argidx];
+		const CmdStruct *cmd = _cur_pcs.consuming_commands[argidx];
 		if (cmd == nullptr || (cmd->flags & C_GENDER) == 0) {
 			strgen_fatal("Command '%s' can't have a gender", cmd == nullptr ? "<empty>" : cmd->cmd);
 		}
@@ -579,24 +519,19 @@ static const CmdStruct *ParseCommandString(const char **str, char *param, int *a
  * @param master      Are we reading the master file?
  * @param translation Are we reading a translation?
  */
-StringReader::StringReader(StringData &data, const char *file, bool master, bool translation) :
-		data(data), file(file), master(master), translation(translation)
+StringReader::StringReader(StringData &data, std::string file, bool master, bool translation) :
+		data(data), file(std::move(file)), master(master), translation(translation)
 {
 }
 
-/** Make sure the right reader gets freed. */
-StringReader::~StringReader()
-{
-}
-
-void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
+ParsedCommandStruct ExtractCommandString(const char *s, bool warnings)
 {
 	char param[MAX_COMMAND_PARAM_SIZE];
 	int argno;
 	int argidx = 0;
 	int casei;
 
-	memset(p, 0, sizeof(*p));
+	ParsedCommandStruct p;
 
 	for (;;) {
 		/* read until next command from a. */
@@ -609,17 +544,16 @@ void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
 
 		if (ar->consumes) {
 			if (argno != -1) argidx = argno;
-			if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) strgen_fatal("invalid param idx %d", argidx);
-			if (p->cmd[argidx] != nullptr && p->cmd[argidx] != ar) strgen_fatal("duplicate param idx %d", argidx);
+			if (argidx < 0 || (uint)argidx >= p.consuming_commands.max_size()) strgen_fatal("invalid param idx %d", argidx);
+			if (p.consuming_commands[argidx] != nullptr && p.consuming_commands[argidx] != ar) strgen_fatal("duplicate param idx %d", argidx);
 
-			p->cmd[argidx++] = ar;
+			p.consuming_commands[argidx++] = ar;
 		} else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
-			if (p->np >= lengthof(p->pairs)) strgen_fatal("too many commands in string, max " PRINTF_SIZE, lengthof(p->pairs));
-			p->pairs[p->np].a = ar;
-			p->pairs[p->np].v = param[0] != '\0' ? stredup(param) : "";
-			p->np++;
+			p.non_consuming_commands.emplace_back(CmdPair{ar, param});
 		}
 	}
+
+	return p;
 }
 
 
@@ -643,7 +577,7 @@ const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
 }
 
 
-static bool CheckCommandsMatch(char *a, char *b, const char *name)
+static bool CheckCommandsMatch(const char *a, const char *b, const char *name)
 {
 	/* If we're not translating, i.e. we're compiling the base language,
 	 * it is pointless to do all these checks as it'll always be correct.
@@ -651,45 +585,42 @@ static bool CheckCommandsMatch(char *a, char *b, const char *name)
 	 */
 	if (!_translation) return true;
 
-	ParsedCommandStruct templ;
-	ParsedCommandStruct lang;
 	bool result = true;
 
-	ExtractCommandString(&templ, b, true);
-	ExtractCommandString(&lang, a, true);
+	ParsedCommandStruct templ = ExtractCommandString(b, true);
+	ParsedCommandStruct lang = ExtractCommandString(a, true);
 
 	/* For each string in templ, see if we find it in lang */
-	if (templ.np != lang.np) {
+	if (templ.non_consuming_commands.max_size() != lang.non_consuming_commands.max_size()) {
 		strgen_warning("%s: template string and language string have a different # of commands", name);
 		result = false;
 	}
 
-	for (uint i = 0; i < templ.np; i++) {
+	for (auto &templ_nc : templ.non_consuming_commands) {
 		/* see if we find it in lang, and zero it out */
 		bool found = false;
-		for (uint j = 0; j < lang.np; j++) {
-			if (templ.pairs[i].a == lang.pairs[j].a &&
-					strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
+		for (auto &lang_nc : lang.non_consuming_commands) {
+			if (templ_nc.cmd == lang_nc.cmd && templ_nc.param == lang_nc.param) {
 				/* it was found in both. zero it out from lang so we don't find it again */
-				lang.pairs[j].a = nullptr;
+				lang_nc.cmd = nullptr;
 				found = true;
 				break;
 			}
 		}
 
 		if (!found) {
-			strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
+			strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ_nc.cmd->cmd);
 			result = false;
 		}
 	}
 
 	/* if we reach here, all non consumer commands match up.
 	 * Check if the non consumer commands match up also. */
-	for (uint i = 0; i < lengthof(templ.cmd); i++) {
-		if (TranslateCmdForCompare(templ.cmd[i]) != lang.cmd[i]) {
+	for (uint i = 0; i < templ.consuming_commands.max_size(); i++) {
+		if (TranslateCmdForCompare(templ.consuming_commands[i]) != lang.consuming_commands[i]) {
 			strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
-				lang.cmd[i]  == nullptr ? "<empty>" : TranslateCmdForCompare(lang.cmd[i])->cmd,
-				templ.cmd[i] == nullptr ? "<empty>" : templ.cmd[i]->cmd);
+				lang.consuming_commands[i]  == nullptr ? "<empty>" : TranslateCmdForCompare(lang.consuming_commands[i])->cmd,
+				templ.consuming_commands[i] == nullptr ? "<empty>" : templ.consuming_commands[i]->cmd);
 			result = false;
 		}
 	}
@@ -754,7 +685,7 @@ void StringReader::HandleString(char *str)
 
 		if (ent != nullptr) {
 			if (this->data.override_mode) {
-				ent->ReplaceDefinition(str, s, _cur_line);
+				ent->ReplaceDefinition(s, _cur_line);
 				return;
 			}
 			strgen_error("String name '%s' is used multiple times", str);
@@ -772,7 +703,7 @@ void StringReader::HandleString(char *str)
 		std::unique_ptr<LangString> ls(new LangString(str, s, this->data.next_string_id, _cur_line));
 		if (this->data.no_translate_mode) ls->no_translate_mode = true;
 		this->data.next_string_id = -1;
-		this->data.Add(str, ls.get());
+		this->data.name_to_string[ls->name] = ls.get();
 
 		if (this->data.default_translation != nullptr) {
 			ls->default_translation = this->data.default_translation;
@@ -802,10 +733,9 @@ void StringReader::HandleString(char *str)
 			return;
 		}
 
-		if (ent->translated && casep == nullptr) {
+		if (!ent->translated.empty() && casep == nullptr) {
 			if (this->data.override_mode) {
-				free(ent->translated);
-				ent->translated = nullptr;
+				ent->translated.clear();
 			} else {
 				strgen_error("String name '%s' is used multiple times", str);
 				return;
@@ -813,12 +743,12 @@ void StringReader::HandleString(char *str)
 		}
 
 		/* make sure that the commands match */
-		if (!CheckCommandsMatch(s, ent->english, str)) return;
+		if (!CheckCommandsMatch(s, ent->english.c_str(), str)) return;
 
 		if (casep != nullptr) {
-			ent->translated_case = new Case(ResolveCaseName(casep, strlen(casep)), s, ent->translated_case);
+			ent->translated_cases.emplace_back(ResolveCaseName(casep, strlen(casep)), s);
 		} else {
-			ent->translated = stredup(s);
+			ent->translated = s;
 			/* If the string was translated, use the line from the
 			 * translated language so errors in the translated file
 			 * are properly referenced to. */
@@ -895,7 +825,7 @@ void StringReader::AssignIDs(size_t &next_id, LangString *ls)
 			strgen_error("Too many strings, maximum allowed is " PRINTF_SIZE, this->data.max_strings);
 			return;
 		} else if (this->data.strings[ls->index] != nullptr) {
-			strgen_error("String ID 0x%X for '%s' already in use by '%s'", (uint)ls->index, ls->name, this->data.strings[ls->index]->name);
+			strgen_error("String ID 0x%X for '%s' already in use by '%s'", (uint)ls->index, ls->name.c_str(), this->data.strings[ls->index]->name.c_str());
 			return;
 		} else {
 			this->data.strings[ls->index] = ls;
@@ -915,7 +845,7 @@ void HeaderWriter::WriteHeader(const StringData &data)
 	int last = 0;
 	for (size_t i = 0; i < data.max_strings; i++) {
 		if (data.strings[i] != nullptr) {
-			this->WriteStringID(data.strings[i]->name, (int)i);
+			this->WriteStringID(data.strings[i]->name.c_str(), (int)i);
 			last = (int)i;
 		}
 	}
@@ -927,20 +857,20 @@ static int TranslateArgumentIdx(int argidx, int offset)
 {
 	int sum;
 
-	if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd)) {
+	if (argidx < 0 || (uint)argidx >= _cur_pcs.consuming_commands.max_size()) {
 		strgen_fatal("invalid argidx %d", argidx);
 	}
-	const CmdStruct *cs = _cur_pcs.cmd[argidx];
+	const CmdStruct *cs = _cur_pcs.consuming_commands[argidx];
 	if (cs != nullptr && cs->consumes <= offset) {
 		strgen_fatal("invalid argidx offset %d:%d", argidx, offset);
 	}
 
-	if (_cur_pcs.cmd[argidx] == nullptr) {
+	if (_cur_pcs.consuming_commands[argidx] == nullptr) {
 		strgen_fatal("no command for this argidx %d", argidx);
 	}
 
 	for (int i = sum = 0; i < argidx; i++) {
-		cs = _cur_pcs.cmd[i];
+		cs = _cur_pcs.consuming_commands[i];
 
 		sum += (cs != nullptr) ? cs->consumes : 1;
 	}
@@ -986,7 +916,7 @@ static void PutCommandString(Buffer *buffer, const char *str)
 			}
 
 			/* Output the one from the master string... it's always accurate. */
-			cs = _cur_pcs.cmd[_cur_argidx++];
+			cs = _cur_pcs.consuming_commands[_cur_argidx++];
 			if (cs == nullptr) {
 				strgen_fatal("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
 			}
@@ -1030,7 +960,7 @@ void LanguageWriter::WriteLang(const StringData &data)
 
 		for (uint j = 0; j != in_use[tab]; j++) {
 			const LangString *ls = data.strings[(tab * TAB_SIZE) + j];
-			if (ls != nullptr && ls->translated == nullptr && ls->default_translation == nullptr && !ls->no_translate_mode) {
+			if (ls != nullptr && ls->translated.empty() && ls->default_translation == nullptr && !ls->no_translate_mode) {
 				_lang.missing++;
 			}
 		}
@@ -1047,8 +977,7 @@ void LanguageWriter::WriteLang(const StringData &data)
 	for (size_t tab = 0; tab < data.tabs; tab++) {
 		for (uint j = 0; j != in_use[tab]; j++) {
 			const LangString *ls = data.strings[(tab * TAB_SIZE) + j];
-			const Case *casep;
-			const char *cmdp;
+			const std::string *cmdp;
 
 			/* For undefined strings, just set that it's an empty string */
 			if (ls == nullptr) {
@@ -1056,13 +985,13 @@ void LanguageWriter::WriteLang(const StringData &data)
 				continue;
 			}
 
-			_cur_ident = ls->name;
+			_cur_ident = ls->name.c_str();
 			_cur_line = ls->line;
 
 			/* Produce a message if a string doesn't have a translation. */
-			if (_show_todo > 0 && ls->translated == nullptr) {
+			if (_show_todo > 0 && ls->translated.empty()) {
 				if ((_show_todo & 2) != 0) {
-					strgen_warning("'%s' is untranslated", ls->name);
+					strgen_warning("'%s' is untranslated", ls->name.c_str());
 				}
 				if ((_show_todo & 1) != 0) {
 					const char *s = "<TODO> ";
@@ -1071,43 +1000,36 @@ void LanguageWriter::WriteLang(const StringData &data)
 			}
 
 			/* Extract the strings and stuff from the english command string */
-			ExtractCommandString(&_cur_pcs, ls->english, false);
+			_cur_pcs = ExtractCommandString(ls->english.c_str(), false);
 
-			if (ls->translated_case != nullptr || ls->translated != nullptr) {
-				casep = ls->translated_case;
-				cmdp = ls->translated;
+			if (!ls->translated_cases.empty() || !ls->translated.empty()) {
+				cmdp = &ls->translated;
 			} else {
-				casep = nullptr;
-				cmdp = ls->english;
-				if (ls->default_translation != nullptr && ls->default_translation->translated != nullptr) {
-					cmdp = ls->default_translation->translated;
+				cmdp = &ls->english;
+				if (ls->default_translation != nullptr && !ls->default_translation->translated.empty()) {
+					cmdp = &ls->default_translation->translated;
 				}
 			}
 
-			_translated = cmdp != ls->english;
-
-			if (casep != nullptr) {
-				const Case *c;
-				uint num;
+			_translated = cmdp != &ls->english;
 
+			if (!ls->translated_cases.empty()) {
 				/* Need to output a case-switch.
 				 * It has this format
 				 * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
 				 * Each LEN is printed using 2 bytes in big endian order. */
 				buffer.AppendUtf8(SCC_SWITCH_CASE);
-				/* Count the number of cases */
-				for (num = 0, c = casep; c; c = c->next) num++;
-				buffer.AppendByte(num);
+				buffer.AppendByte((byte)ls->translated_cases.size());
 
 				/* Write each case */
-				for (c = casep; c != nullptr; c = c->next) {
-					buffer.AppendByte(c->caseidx);
+				for (const Case &c : ls->translated_cases) {
+					buffer.AppendByte(c.caseidx);
 					/* Make some space for the 16-bit length */
 					uint pos = (uint)buffer.size();
 					buffer.AppendByte(0);
 					buffer.AppendByte(0);
 					/* Write string */
-					PutCommandString(&buffer, c->string);
+					PutCommandString(&buffer, c.string.c_str());
 					buffer.AppendByte(0); // terminate with a zero
 					/* Fill in the length */
 					uint size = (uint)buffer.size() - (pos + 2);
@@ -1116,7 +1038,7 @@ void LanguageWriter::WriteLang(const StringData &data)
 				}
 			}
 
-			if (cmdp != nullptr) PutCommandString(&buffer, cmdp);
+			if (!cmdp->empty()) PutCommandString(&buffer, cmdp->c_str());
 
 			this->WriteLength((uint)buffer.size());
 			this->Write(buffer.data(), buffer.size());

src/table/settings/settings.ini

@@ -4474,7 +4474,7 @@ strval   = STR_CONFIG_SETTING_AUTOSCROLL_DISABLED
 cat      = SC_BASIC
 
 [SDTC_VAR]
-ifdef    = __EMSCRIPTEN__
+ifdef    = UNIX
 var      = gui.scroll_mode
 type     = SLE_UINT8
 flags    = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC | SF_GUI_DROPDOWN
@@ -4487,7 +4487,7 @@ strval   = STR_CONFIG_SETTING_SCROLLMODE_DEFAULT
 cat      = SC_BASIC
 
 [SDTC_VAR]
-ifndef    = __EMSCRIPTEN__
+ifndef    = UNIX
 var      = gui.scroll_mode
 type     = SLE_UINT8
 flags    = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC | SF_GUI_DROPDOWN

src/textbuf.cpp

@@ -24,11 +24,9 @@
  * Try to retrieve the current clipboard contents.
  *
  * @note OS-specific function.
- * @param buffer Clipboard content.
- * @param last The pointer to the last element of the destination buffer
- * @return True if some text could be retrieved.
+ * @return The (optional) clipboard contents.
  */
-bool GetClipboardContents(char *buffer, const char *last);
+std::optional<std::string> GetClipboardContents();
 
 int _caret_timer;
 
@@ -225,11 +223,10 @@ bool Textbuf::InsertString(const char *str, bool marked, const char *caret, cons
  */
 bool Textbuf::InsertClipboard()
 {
-	char utf8_buf[512];
+	auto contents = GetClipboardContents();
+	if (!contents.has_value()) return false;
 
-	if (!GetClipboardContents(utf8_buf, lastof(utf8_buf))) return false;
-
-	return this->InsertString(utf8_buf, false);
+	return this->InsertString(contents.value().c_str(), false);
 }
 
 /**

src/video/allegro_v.cpp

@@ -390,7 +390,7 @@ bool VideoDriver_Allegro::PollEvent()
 	}
 
 	/* Mouse movement */
-	if (_cursor.UpdateCursorPosition(mouse_x, mouse_y, false)) {
+	if (_cursor.UpdateCursorPosition(mouse_x, mouse_y)) {
 		position_mouse(_cursor.pos.x, _cursor.pos.y);
 	}
 	if (_cursor.delta.x != 0 || _cursor.delta.y) mouse_action = true;

src/video/cocoa/cocoa_wnd.mm

@@ -661,7 +661,7 @@ void CocoaDialog(const char *title, const char *message, const char *buttonLabel
 		_cursor.UpdateCursorPositionRelative(event.deltaX * self.getContentsScale, event.deltaY * self.getContentsScale);
 	} else {
 		NSPoint pt = [ self mousePositionFromEvent:event ];
-		_cursor.UpdateCursorPosition(pt.x, pt.y, false);
+		_cursor.UpdateCursorPosition(pt.x, pt.y);
 	}
 
 	HandleMouseEvents();

src/video/sdl2_v.cpp

@@ -653,12 +653,25 @@ bool VideoDriver_SDL_Base::PollEvent()
 	if (!SDL_PollEvent(&ev)) return false;
 
 	switch (ev.type) {
-		case SDL_MOUSEMOTION:
-			if (_cursor.UpdateCursorPosition(ev.motion.x, ev.motion.y, true)) {
+		case SDL_MOUSEMOTION: {
+			int32_t x = ev.motion.x;
+			int32_t y = ev.motion.y;
+
+			if (_cursor.fix_at) {
+				/* Get all queued mouse events now in case we have to warp the cursor. In the
+				 * end, we only care about the current mouse position and not bygone events. */
+				while (SDL_PeepEvents(&ev, 1, SDL_GETEVENT, SDL_MOUSEMOTION, SDL_MOUSEMOTION)) {
+					x = ev.motion.x;
+					y = ev.motion.y;
+				}
+			}
+
+			if (_cursor.UpdateCursorPosition(x, y)) {
 				SDL_WarpMouseInWindow(this->sdl_window, _cursor.pos.x, _cursor.pos.y);
 			}
 			HandleMouseEvents();
 			break;
+		}
 
 		case SDL_MOUSEWHEEL:
 			if (ev.wheel.y > 0) {
@@ -790,10 +803,8 @@ bool VideoDriver_SDL_Base::PollEvent()
 			} else if (ev.window.event == SDL_WINDOWEVENT_ENTER) {
 				// mouse entered the window, enable cursor
 				_cursor.in_window = true;
-#ifdef __EMSCRIPTEN__
 				/* Ensure pointer lock will not occur. */
 				SDL_SetRelativeMouseMode(SDL_FALSE);
-#endif
 			} else if (ev.window.event == SDL_WINDOWEVENT_LEAVE) {
 				// mouse left the window, undraw cursor
 				UndrawMouseCursor();
@@ -832,9 +843,6 @@ static const char *InitializeSDL()
 	 * UpdateWindowSurface() to update the window's texture instead of
 	 * its surface. */
 	SDL_SetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION, "0");
-#ifndef __EMSCRIPTEN__
-	SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "1");
-#endif
 
 	/* Check if the video-driver is already initialized. */
 	if (SDL_WasInit(SDL_INIT_VIDEO) != 0) return nullptr;

src/video/sdl_v.cpp

@@ -484,12 +484,25 @@ bool VideoDriver_SDL::PollEvent()
 	if (!SDL_PollEvent(&ev)) return false;
 
 	switch (ev.type) {
-		case SDL_MOUSEMOTION:
-			if (_cursor.UpdateCursorPosition(ev.motion.x, ev.motion.y, true)) {
+		case SDL_MOUSEMOTION: {
+			int32_t x = ev.motion.x;
+			int32_t y = ev.motion.y;
+
+			if (_cursor.fix_at) {
+				/* Get all queued mouse events now in case we have to warp the cursor. In the
+				 * end, we only care about the current mouse position and not bygone events. */
+				while (SDL_PeepEvents(&ev, 1, SDL_GETEVENT, SDL_MOUSEMOTION)) {
+					x = ev.motion.x;
+					y = ev.motion.y;
+				}
+			}
+
+			if (_cursor.UpdateCursorPosition(x, y)) {
 				SDL_WarpMouse(_cursor.pos.x, _cursor.pos.y);
 			}
 			HandleMouseEvents();
 			break;
+		}
 
 		case SDL_MOUSEBUTTONDOWN:
 			if (_rightclick_emulate && SDL_GetModState() & KMOD_CTRL) {

src/video/win32_v.cpp

@@ -491,7 +491,7 @@ LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 				}
 			}
 
-			if (_cursor.UpdateCursorPosition(x, y, false)) {
+			if (_cursor.UpdateCursorPosition(x, y)) {
 				POINT pt;
 				pt.x = _cursor.pos.x;
 				pt.y = _cursor.pos.y;