Codechange: Call VideoDriver to change mouse position fix state.

This avoids the video driver needing to check if the state has changed.

src/openttd.cpp

@@ -332,7 +332,7 @@ static void LoadIntroGame(bool load_newgrfs = true)
 
 	FixTitleGameZoom();
 	_pause_mode = PM_UNPAUSED;
-	_cursor.fix_at = false;
+	VideoDriver::GetInstance()->FixMousePointer(false);
 
 	CheckForMissingGlyphs();
 

src/smallmap_gui.cpp

@@ -9,6 +9,7 @@
 
 #include "stdafx.h"
 #include "core/backup_type.hpp"
+#include "video/video_driver.hpp"
 #include "clear_map.h"
 #include "industry.h"
 #include "station_map.h"
@@ -1866,7 +1867,9 @@ public:
 
 	void OnScroll(Point delta) override
 	{
-		if (_settings_client.gui.scroll_mode == VSM_VIEWPORT_RMB_FIXED || _settings_client.gui.scroll_mode == VSM_MAP_RMB_FIXED) _cursor.fix_at = true;
+		if (_settings_client.gui.scroll_mode == VSM_VIEWPORT_RMB_FIXED || _settings_client.gui.scroll_mode == VSM_MAP_RMB_FIXED) {
+			VideoDriver::GetInstance()->FixMousePointer(true);
+		}
 
 		/* While tile is at (delta.x, delta.y)? */
 		int sub;

src/video/cocoa/cocoa_v.h

@@ -49,6 +49,7 @@ public:
 	void ClearSystemSprites() override;
 	void PopulateSystemSprites() override;
 
+	void FixMousePointer(bool fix_at) override;
 	void EditBoxLostFocus() override;
 
 	std::vector<int> GetListOfMonitorRefreshRates() override;

src/video/cocoa/cocoa_v.mm

@@ -240,6 +240,15 @@ bool VideoDriver_Cocoa::AfterBlitterChange()
 	return true;
 }
 
+void VideoDriver_Cocoa::FixMousePointer(bool fix_at)
+{
+	if (_cursor.fix_at == fix_at) return;
+
+	this->VideoDriver::FixMousePointer(fix_at);
+
+	CGAssociateMouseAndMouseCursorPosition(!_cursor.fix_at);
+}
+
 /**
  * An edit box lost the input focus. Abort character compositing if necessary.
  */

src/video/cocoa/cocoa_wnd.mm

@@ -674,15 +674,6 @@ void CocoaDialog(const char *title, const char *message, const char *buttonLabel
 	HandleMouseEvents();
 }
 
-- (void)internalMouseButtonEvent
-{
-	bool cur_fix = _cursor.fix_at;
-	HandleMouseEvents();
-
-	/* Cursor fix mode was changed, synchronize with OS. */
-	if (cur_fix != _cursor.fix_at) CGAssociateMouseAndMouseCursorPosition(!_cursor.fix_at);
-}
-
 - (BOOL)emulateRightButton:(NSEvent *)event
 {
 	uint32_t keymask = 0;
@@ -708,7 +699,7 @@ void CocoaDialog(const char *title, const char *message, const char *buttonLabel
 		[ self rightMouseDown:event ];
 	} else {
 		_left_button_down = true;
-		[ self internalMouseButtonEvent ];
+		HandleMouseEvents();
 	}
 }
 - (void)mouseUp:(NSEvent *)event
@@ -719,7 +710,7 @@ void CocoaDialog(const char *title, const char *message, const char *buttonLabel
 	} else {
 		_left_button_down = false;
 		_left_button_clicked = false;
-		[ self internalMouseButtonEvent ];
+		HandleMouseEvents();
 	}
 }
 
@@ -731,12 +722,12 @@ void CocoaDialog(const char *title, const char *message, const char *buttonLabel
 {
 	_right_button_down = true;
 	_right_button_clicked = true;
-	[ self internalMouseButtonEvent ];
+	HandleMouseEvents();
 }
 - (void)rightMouseUp:(NSEvent *)event
 {
 	_right_button_down = false;
-	[ self internalMouseButtonEvent ];
+	HandleMouseEvents();
 }
 
 - (void)scrollWheel:(NSEvent *)event

src/video/video_driver.hpp

@@ -87,6 +87,11 @@ public:
 		return true;
 	}
 
+	/**
+	 * Fix the mouse position position.
+	 */
+	virtual void FixMousePointer(bool fix_at) { _cursor.fix_at = fix_at; }
+
 	/**
 	 * Get whether the mouse cursor is drawn by the video driver.
 	 * @return True if cursor drawing is done by the video driver.

src/window.cpp

@@ -2365,7 +2365,7 @@ static EventState HandleViewportScroll()
 	if (_last_scroll_window == nullptr) _last_scroll_window = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
 
 	if (_last_scroll_window == nullptr || !((_settings_client.gui.scroll_mode != VSM_MAP_LMB && _right_button_down) || scrollwheel_scrolling || (_settings_client.gui.scroll_mode == VSM_MAP_LMB && _left_button_down))) {
-		_cursor.fix_at = false;
+		VideoDriver::GetInstance()->FixMousePointer(false);
 		_scrolling_viewport = false;
 		_last_scroll_window = nullptr;
 		return ES_NOT_HANDLED;
@@ -2820,7 +2820,7 @@ static void MouseLoop(MouseClick click, int mousewheel)
 	if (vp != nullptr) {
 		if (scrollwheel_scrolling && !(w->flags & WF_DISABLE_VP_SCROLL)) {
 			_scrolling_viewport = true;
-			_cursor.fix_at = true;
+			VideoDriver::GetInstance()->FixMousePointer(true);
 			return;
 		}
 
@@ -2831,7 +2831,7 @@ static void MouseLoop(MouseClick click, int mousewheel)
 				if (!(w->flags & WF_DISABLE_VP_SCROLL) &&
 						_settings_client.gui.scroll_mode == VSM_MAP_LMB) {
 					_scrolling_viewport = true;
-					_cursor.fix_at = false;
+					VideoDriver::GetInstance()->FixMousePointer(false);
 					return;
 				}
 				break;
@@ -2840,8 +2840,7 @@ static void MouseLoop(MouseClick click, int mousewheel)
 				if (!(w->flags & WF_DISABLE_VP_SCROLL) &&
 						_settings_client.gui.scroll_mode != VSM_MAP_LMB) {
 					_scrolling_viewport = true;
-					_cursor.fix_at = (_settings_client.gui.scroll_mode == VSM_VIEWPORT_RMB_FIXED ||
-							_settings_client.gui.scroll_mode == VSM_MAP_RMB_FIXED);
+					VideoDriver::GetInstance()->FixMousePointer(_settings_client.gui.scroll_mode == VSM_VIEWPORT_RMB_FIXED || _settings_client.gui.scroll_mode == VSM_MAP_RMB_FIXED);
 					DispatchRightClickEvent(w, x - w->left, y - w->top);
 					return;
 				}