Codechange: Assign/StoreSizePosition x/y can be negative. (#11416)

AssignSizePosition is used with negative values when an NWidgetMatrix is
scrolled, but they were passed as unsigned and then stored as signed.

Widget pos_x/pos_y were already made signed.

src/network/network_gui.cpp

@@ -129,7 +129,7 @@ public:
 		this->smallest_x = this->head->smallest_x + this->tail->smallest_x; // First and last are always shown, rest not
 	}
 
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override
 	{
 		assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 

src/newgrf_gui.cpp

@@ -1667,7 +1667,7 @@ public:
 		this->smallest_y = ComputeMaxSize(min_acs_height, this->smallest_y + this->resize_y - 1, this->resize_y);
 	}
 
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override
 	{
 		this->StoreSizePosition(sizing, x, y, given_width, given_height);
 

src/smallmap_gui.cpp

@@ -1740,7 +1740,7 @@ public:
 		this->resize_y = std::min(display->resize_y, bar->resize_y);
 	}
 
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override
 	{
 		this->pos_x = x;
 		this->pos_y = y;

src/toolbar_gui.cpp

@@ -1424,7 +1424,7 @@ public:
 		_toolbar_width = nbuttons * this->smallest_x;
 	}
 
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override
 	{
 		assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 

src/widget.cpp

@@ -1008,7 +1008,7 @@ NWidgetBase::NWidgetBase(WidgetType tp) : ZeroedMemoryAllocator()
  */
 
 /**
- * @fn void NWidgetBase::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
+ * @fn void NWidgetBase::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)
  * Assign size and position to the widget.
  * @param sizing       Type of resizing to perform.
  * @param x            Horizontal offset of the widget relative to the left edge of the window.
@@ -1163,7 +1163,7 @@ bool NWidgetResizeBase::UpdateVerticalSize(uint min_y)
 	return true;
 }
 
-void NWidgetResizeBase::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool)
+void NWidgetResizeBase::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool)
 {
 	this->StoreSizePosition(sizing, x, y, given_width, given_height);
 }
@@ -1400,7 +1400,7 @@ void NWidgetStacked::SetupSmallestSize(Window *w, bool init_array)
 	}
 }
 
-void NWidgetStacked::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
+void NWidgetStacked::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)
 {
 	assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 	this->StoreSizePosition(sizing, x, y, given_width, given_height);
@@ -1570,7 +1570,7 @@ void NWidgetHorizontal::SetupSmallestSize(Window *w, bool init_array)
 	this->pip_pre = this->pip_inter = this->pip_post = 0;
 }
 
-void NWidgetHorizontal::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
+void NWidgetHorizontal::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)
 {
 	assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 
@@ -1678,7 +1678,7 @@ NWidgetHorizontalLTR::NWidgetHorizontalLTR(NWidContainerFlags flags) : NWidgetHo
 	this->type = NWID_HORIZONTAL_LTR;
 }
 
-void NWidgetHorizontalLTR::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool)
+void NWidgetHorizontalLTR::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool)
 {
 	NWidgetHorizontal::AssignSizePosition(sizing, x, y, given_width, given_height, false);
 }
@@ -1755,7 +1755,7 @@ void NWidgetVertical::SetupSmallestSize(Window *w, bool init_array)
 	this->pip_pre = this->pip_inter = this->pip_post = 0;
 }
 
-void NWidgetVertical::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
+void NWidgetVertical::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)
 {
 	assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 
@@ -1981,7 +1981,7 @@ void NWidgetMatrix::SetupSmallestSize(Window *w, bool init_array)
 	this->resize_y = resize.height;
 }
 
-void NWidgetMatrix::AssignSizePosition(SizingType, uint x, uint y, uint given_width, uint given_height, bool)
+void NWidgetMatrix::AssignSizePosition(SizingType, int x, int y, uint given_width, uint given_height, bool)
 {
 	assert(given_width >= this->smallest_x && given_height >= this->smallest_y);
 
@@ -2249,7 +2249,7 @@ void NWidgetBackground::SetupSmallestSize(Window *w, bool init_array)
 	}
 }
 
-void NWidgetBackground::AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
+void NWidgetBackground::AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl)
 {
 	this->StoreSizePosition(sizing, x, y, given_width, given_height);
 

src/widget_type.h

@@ -127,7 +127,7 @@ public:
 
 	virtual void AdjustPaddingForZoom();
 	virtual void SetupSmallestSize(Window *w, bool init_array) = 0;
-	virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) = 0;
+	virtual void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) = 0;
 
 	virtual void FillNestedArray(NWidgetBase **array, uint length) = 0;
 
@@ -204,7 +204,7 @@ public:
 	RectPadding uz_padding; ///< Unscaled padding, for resize calculation.
 
 protected:
-	inline void StoreSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height);
+	inline void StoreSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height);
 };
 
 /**
@@ -233,7 +233,7 @@ inline uint NWidgetBase::GetVerticalStepSize(SizingType sizing) const
  * @param given_width  Width allocated to the widget.
  * @param given_height Height allocated to the widget.
  */
-inline void NWidgetBase::StoreSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height)
+inline void NWidgetBase::StoreSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height)
 {
 	this->pos_x = x;
 	this->pos_y = y;
@@ -263,7 +263,7 @@ public:
 
 	bool UpdateVerticalSize(uint min_y);
 
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 
 	uint min_x; ///< Minimal horizontal size of only this widget.
 	uint min_y; ///< Minimal vertical size of only this widget.
@@ -452,7 +452,7 @@ public:
 
 	void AdjustPaddingForZoom() override;
 	void SetupSmallestSize(Window *w, bool init_array) override;
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 	void FillNestedArray(NWidgetBase **array, uint length) override;
 
 	void Draw(const Window *w) override;
@@ -503,7 +503,7 @@ public:
 	NWidgetHorizontal(NWidContainerFlags flags = NC_NONE);
 
 	void SetupSmallestSize(Window *w, bool init_array) override;
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 };
 
 /**
@@ -514,7 +514,7 @@ class NWidgetHorizontalLTR : public NWidgetHorizontal {
 public:
 	NWidgetHorizontalLTR(NWidContainerFlags flags = NC_NONE);
 
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 };
 
 /**
@@ -526,7 +526,7 @@ public:
 	NWidgetVertical(NWidContainerFlags flags = NC_NONE);
 
 	void SetupSmallestSize(Window *w, bool init_array) override;
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 };
 
 /**
@@ -548,7 +548,7 @@ public:
 	void SetScrollbar(Scrollbar *sb);
 
 	void SetupSmallestSize(Window *w, bool init_array) override;
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 	void FillNestedArray(NWidgetBase **array, uint length) override;
 
 	NWidgetCore *GetWidgetFromPos(int x, int y) override;
@@ -599,7 +599,7 @@ public:
 
 	void AdjustPaddingForZoom() override;
 	void SetupSmallestSize(Window *w, bool init_array) override;
-	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl) override;
+	void AssignSizePosition(SizingType sizing, int x, int y, uint given_width, uint given_height, bool rtl) override;
 
 	void FillNestedArray(NWidgetBase **array, uint length) override;