Change: Use sparse padding for AI/GS settings windows. (#11466)

french: 1 change by Lishouuu

src/ai/ai_gui.cpp

@@ -33,42 +33,47 @@ static const NWidgetPart _nested_ai_config_widgets[] = {
 		NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_CAPTION_AI, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_MAUVE, WID_AIC_BACKGROUND),
-		NWidget(NWID_VERTICAL), SetPIP(4, 4, 4),
-			NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7),
-				NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_DECREASE_NUMBER), SetDataTip(AWV_DECREASE, STR_NULL),
-				NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_INCREASE_NUMBER), SetDataTip(AWV_INCREASE, STR_NULL),
-				NWidget(NWID_SPACER), SetMinimalSize(6, 0),
-				NWidget(WWT_TEXT, COLOUR_MAUVE, WID_AIC_NUMBER), SetDataTip(STR_AI_CONFIG_MAX_COMPETITORS, STR_NULL), SetFill(1, 0),
+		NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0), SetPadding(WidgetDimensions::unscaled.sparse),
+			NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+						NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_DECREASE_NUMBER), SetDataTip(AWV_DECREASE, STR_NULL),
+						NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_INCREASE_NUMBER), SetDataTip(AWV_INCREASE, STR_NULL),
+					EndContainer(),
+					NWidget(WWT_TEXT, COLOUR_MAUVE, WID_AIC_NUMBER), SetDataTip(STR_AI_CONFIG_MAX_COMPETITORS, STR_NULL), SetFill(1, 0),
+				EndContainer(),
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+						NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_DECREASE_INTERVAL), SetDataTip(AWV_DECREASE, STR_NULL),
+						NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_INCREASE_INTERVAL), SetDataTip(AWV_INCREASE, STR_NULL),
+					EndContainer(),
+					NWidget(WWT_TEXT, COLOUR_MAUVE, WID_AIC_INTERVAL), SetDataTip(STR_AI_CONFIG_COMPETITORS_INTERVAL, STR_NULL), SetFill(1, 0),
+				EndContainer(),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_MOVE_UP), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_AI_CONFIG_MOVE_UP, STR_AI_CONFIG_MOVE_UP_TOOLTIP),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_MOVE_DOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_AI_CONFIG_MOVE_DOWN, STR_AI_CONFIG_MOVE_DOWN_TOOLTIP),
+				EndContainer(),
 			EndContainer(),
-			NWidget(NWID_HORIZONTAL), SetPIP(7, 0, 7),
-				NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_DECREASE_INTERVAL), SetDataTip(AWV_DECREASE, STR_NULL),
-				NWidget(WWT_PUSHARROWBTN, COLOUR_YELLOW, WID_AIC_INCREASE_INTERVAL), SetDataTip(AWV_INCREASE, STR_NULL),
-				NWidget(NWID_SPACER), SetMinimalSize(6, 0),
-				NWidget(WWT_TEXT, COLOUR_MAUVE, WID_AIC_INTERVAL), SetDataTip(STR_AI_CONFIG_COMPETITORS_INTERVAL, STR_NULL), SetFill(1, 0),
+			NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_AI, STR_NULL),
+				NWidget(NWID_HORIZONTAL),
+					NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_AIC_LIST), SetMinimalSize(288, 112), SetFill(1, 0), SetMatrixDataTip(1, 8, STR_AI_CONFIG_AILIST_TOOLTIP), SetScrollbar(WID_AIC_SCROLLBAR),
+					NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_AIC_SCROLLBAR),
+				EndContainer(),
 			EndContainer(),
-			NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
-				NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_MOVE_UP), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_AI_CONFIG_MOVE_UP, STR_AI_CONFIG_MOVE_UP_TOOLTIP),
-				NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_MOVE_DOWN), SetResize(1, 0), SetFill(1, 0), SetDataTip(STR_AI_CONFIG_MOVE_DOWN, STR_AI_CONFIG_MOVE_DOWN_TOOLTIP),
+			NWidget(NWID_VERTICAL, NC_EQUALSIZE),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CHANGE), SetFill(1, 1), SetMinimalSize(93, 0), SetDataTip(STR_AI_CONFIG_CHANGE_AI, STR_AI_CONFIG_CHANGE_TOOLTIP),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CONFIGURE), SetFill(1, 1), SetMinimalSize(93, 0), SetDataTip(STR_AI_CONFIG_CONFIGURE, STR_AI_CONFIG_CONFIGURE_TOOLTIP),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_TEXTFILE + TFT_README), SetFill(1, 1), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
+				EndContainer(),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CLOSE), SetFill(1, 1), SetMinimalSize(93, 0), SetDataTip(STR_AI_SETTINGS_CLOSE, STR_NULL),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 1), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_TEXTFILE + TFT_LICENSE), SetFill(1, 1), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
+				EndContainer(),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CONTENT_DOWNLOAD), SetFill(1, 1), SetMinimalSize(279, 0), SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
 			EndContainer(),
 		EndContainer(),
-		NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_AI, STR_NULL), SetPadding(0, 5, 0, 5),
-			NWidget(NWID_HORIZONTAL),
-				NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_AIC_LIST), SetMinimalSize(288, 112), SetFill(1, 0), SetMatrixDataTip(1, 8, STR_AI_CONFIG_AILIST_TOOLTIP), SetScrollbar(WID_AIC_SCROLLBAR),
-				NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_AIC_SCROLLBAR),
-			EndContainer(),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 9),
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CHANGE), SetFill(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_AI_CONFIG_CHANGE_AI, STR_AI_CONFIG_CHANGE_TOOLTIP),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CONFIGURE), SetFill(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_AI_CONFIG_CONFIGURE, STR_AI_CONFIG_CONFIGURE_TOOLTIP),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
-		EndContainer(),
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CLOSE), SetFill(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_AI_SETTINGS_CLOSE, STR_NULL),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
-		EndContainer(),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_AIC_CONTENT_DOWNLOAD), SetFill(1, 0), SetMinimalSize(279, 0), SetPadding(0, 7, 9, 7), SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
 	EndContainer(),
 };
 

src/core/geometry_func.cpp

@@ -48,5 +48,3 @@ Rect BoundingRect(const Rect &r1, const Rect &r2)
 
 	return r;
 }
-
-const RectPadding RectPadding::zero = {0, 0, 0, 0};

src/core/geometry_type.hpp

@@ -65,6 +65,8 @@ struct RectPadding {
 	inline uint Vertical() const { return this->top + this->bottom; }
 };
 
+inline const RectPadding RectPadding::zero{};
+
 /** Specification of a rectangle with absolute coordinates of all edges */
 struct Rect {
 	int left;

src/game/game_gui.cpp

@@ -36,27 +36,29 @@ static const NWidgetPart _nested_gs_config_widgets[] = {
 		NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_CAPTION_GAMESCRIPT, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 		NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
 	EndContainer(),
-	NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GSC_BACKGROUND), SetFill(1, 0), SetResize(1, 0),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 3), SetFill(1, 0), SetResize(1, 0),
-		NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_GAMESCRIPT, STR_NULL), SetFill(1, 0), SetResize(1, 0),  SetPadding(0, 5, 4, 5),
-			NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_GSC_GSLIST), SetMinimalSize(288, 14), SetFill(1, 0), SetResize(1, 0), SetMatrixDataTip(1, 1, STR_AI_CONFIG_GAMELIST_TOOLTIP),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 6), SetFill(1, 0), SetResize(1, 0),
-		NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_GAMESCRIPT_PARAM, STR_NULL), SetFill(1, 0), SetResize(1, 0), SetPadding(0, 5, 4, 5),
-			NWidget(NWID_HORIZONTAL),
-				NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_GSC_SETTINGS), SetFill(1, 0), SetResize(1, 1), SetMinimalSize(188, 182), SetMatrixDataTip(1, 0, STR_NULL), SetScrollbar(WID_GSC_SCROLLBAR),
-				NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GSC_SCROLLBAR),
+	NWidget(WWT_PANEL, COLOUR_MAUVE, WID_GSC_BACKGROUND),
+		NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0), SetPadding(WidgetDimensions::unscaled.sparse),
+			NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_GAMESCRIPT, STR_NULL), SetFill(1, 0), SetResize(1, 0),
+				NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_GSC_GSLIST), SetMinimalSize(288, 14), SetFill(1, 1), SetResize(1, 0), SetMatrixDataTip(1, 1, STR_AI_CONFIG_GAMELIST_TOOLTIP),
+			EndContainer(),
+			NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_GAMESCRIPT_PARAM, STR_NULL), SetFill(1, 1), SetResize(1, 0),
+				NWidget(NWID_HORIZONTAL),
+					NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_GSC_SETTINGS), SetFill(1, 0), SetResize(1, 1), SetMinimalSize(188, 182), SetMatrixDataTip(1, 0, STR_NULL), SetScrollbar(WID_GSC_SCROLLBAR),
+					NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_GSC_SCROLLBAR),
+				EndContainer(),
+			EndContainer(),
+			NWidget(NWID_VERTICAL, NC_EQUALSIZE),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_CHANGE), SetFill(1, 1), SetResize(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_AI_CONFIG_CHANGE_GAMESCRIPT, STR_AI_CONFIG_CHANGE_TOOLTIP),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_TEXTFILE + TFT_README), SetFill(1, 1), SetResize(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
+				EndContainer(),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 1), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_TEXTFILE + TFT_LICENSE), SetFill(1, 1), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
+				EndContainer(),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_CONTENT_DOWNLOAD), SetFill(1, 1), SetResize(1, 0), SetMinimalSize(279, 0), SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
 			EndContainer(),
 		EndContainer(),
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_CHANGE), SetFill(1, 0), SetResize(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_AI_CONFIG_CHANGE_GAMESCRIPT, STR_AI_CONFIG_CHANGE_TOOLTIP),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetMinimalSize(93, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
-		EndContainer(),
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
-		EndContainer(),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_YELLOW, WID_GSC_CONTENT_DOWNLOAD), SetFill(1, 0), SetResize(1, 0), SetMinimalSize(279, 0), SetPadding(0, 7, 9, 7), SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
 		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

src/genworld_gui.cpp

@@ -75,27 +75,21 @@ static const NWidgetPart _nested_generate_landscape_widgets[] = {
 		NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_MAPGEN_WORLD_GENERATION_CAPTION, STR_NULL),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_BROWN),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 10),
-		/* Landscape selection. */
-		NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TEMPERATE), SetDataTip(SPR_SELECT_TEMPERATE, STR_INTRO_TOOLTIP_TEMPERATE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_ARCTIC), SetDataTip(SPR_SELECT_SUB_ARCTIC, STR_INTRO_TOOLTIP_SUB_ARCTIC_LANDSCAPE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TROPICAL), SetDataTip(SPR_SELECT_SUB_TROPICAL, STR_INTRO_TOOLTIP_SUB_TROPICAL_LANDSCAPE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TOYLAND), SetDataTip(SPR_SELECT_TOYLAND, STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 11),
-		/* Generation options. */
-		NWidget(NWID_HORIZONTAL), SetPIP(10, 5, 10),
-			/* Left half (land generation options) */
-			NWidget(NWID_VERTICAL),
-				NWidget(NWID_HORIZONTAL), SetPIP(0, 3, 0),
+		NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0), SetPadding(WidgetDimensions::unscaled.sparse),
+			/* Landscape selection. */
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0), SetPIPRatio(1, 1, 1),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TEMPERATE), SetDataTip(SPR_SELECT_TEMPERATE, STR_INTRO_TOOLTIP_TEMPERATE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_ARCTIC), SetDataTip(SPR_SELECT_SUB_ARCTIC, STR_INTRO_TOOLTIP_SUB_ARCTIC_LANDSCAPE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TROPICAL), SetDataTip(SPR_SELECT_SUB_TROPICAL, STR_INTRO_TOOLTIP_SUB_TROPICAL_LANDSCAPE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TOYLAND), SetDataTip(SPR_SELECT_TOYLAND, STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE),
+			EndContainer(),
+
+			/* Generation options. */
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+				/* Left half (land generation options) */
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
 					/* Labels on the left side (global column 1). */
-					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAPSIZE, STR_MAPGEN_MAPSIZE_TOOLTIP), SetFill(1, 1),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_TERRAIN_TYPE, STR_NULL), SetFill(1, 1),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_VARIETY, STR_NULL), SetFill(1, 1),
@@ -103,31 +97,31 @@ static const NWidgetPart _nested_generate_landscape_widgets[] = {
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_QUANTITY_OF_RIVERS, STR_NULL), SetFill(1, 1),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BORDER_TYPE, STR_NULL), SetFill(1, 1),
 					EndContainer(),
+
 					/* Widgets on the right side (global column 2). */
-					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
 						/* Mapsize X * Y. */
-						NWidget(NWID_HORIZONTAL), SetPIP(0, 4, 0),
-							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_X_PULLDOWN), SetDataTip(STR_JUST_INT, STR_MAPGEN_MAPSIZE_TOOLTIP), SetFill(1, 0),
-							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BY, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(1, 1),
-							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_Y_PULLDOWN), SetDataTip(STR_JUST_INT, STR_MAPGEN_MAPSIZE_TOOLTIP), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_X_PULLDOWN), SetDataTip(STR_JUST_INT, STR_MAPGEN_MAPSIZE_TOOLTIP), SetFill(1, 1),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BY, STR_NULL), SetFill(0, 1), SetAlignment(SA_CENTER),
+							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_Y_PULLDOWN), SetDataTip(STR_JUST_INT, STR_MAPGEN_MAPSIZE_TOOLTIP), SetFill(1, 1),
 						EndContainer(),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TERRAIN_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 0),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_VARIETY_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 0),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_SMOOTHNESS_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 0),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_RIVER_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 0),
-						NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_BORDERS_RANDOM), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 0),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TERRAIN_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_VARIETY_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_SMOOTHNESS_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_RIVER_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_BORDERS_RANDOM), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 1),
 					EndContainer(),
 				EndContainer(),
-			EndContainer(),
-			/* Right half (all other options) */
-			NWidget(NWID_VERTICAL),
-				NWidget(NWID_HORIZONTAL), SetPIP(0, 3, 0),
+
+				/* Right half (all other options) */
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
 					/* Labels on the left side (global column 3). */
-					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
 						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_LABEL),
 							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_COVERAGE, STR_NULL), SetFill(1, 1),
 							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DESERT_COVERAGE, STR_NULL), SetFill(1, 1),
-							NWidget(NWID_SPACER),
+							NWidget(NWID_SPACER), SetFill(1, 1),
 						EndContainer(),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DATE, STR_NULL), SetFill(1, 1),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_TOWN_NAME_LABEL, STR_NULL), SetFill(1, 1),
@@ -135,20 +129,21 @@ static const NWidgetPart _nested_generate_landscape_widgets[] = {
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NUMBER_OF_INDUSTRIES, STR_NULL), SetFill(1, 1),
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SEA_LEVEL, STR_NULL), SetFill(1, 1),
 					EndContainer(),
+
 					/* Widgets on the right side (global column 4). */
-					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
 						/* Climate selector. */
 						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_SELECTOR),
 							/* Snow coverage. */
 							NWidget(NWID_HORIZONTAL),
 								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_COVERAGE_DOWN), SetFill(0, 1),
-								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_SNOW_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
+								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_SNOW_COVERAGE_TEXT, STR_NULL), SetFill(1, 1),
 								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_SNOW_COVERAGE_UP), SetFill(0, 1),
 							EndContainer(),
 							/* Desert coverage. */
 							NWidget(NWID_HORIZONTAL),
 								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_DESERT_COVERAGE_DOWN), SetFill(0, 1),
-								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_DESERT_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
+								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_DESERT_COVERAGE_TEXT, STR_NULL), SetFill(1, 1),
 								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_DESERT_COVERAGE_UP), SetFill(0, 1),
 							EndContainer(),
 							/* Temperate/Toyland spacer. */
@@ -157,54 +152,43 @@ static const NWidgetPart _nested_generate_landscape_widgets[] = {
 						/* Starting date. */
 						NWidget(NWID_HORIZONTAL),
 							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_START_DATE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD), SetFill(0, 1),
-							NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_START_DATE_TEXT), SetDataTip(STR_JUST_DATE_LONG, STR_NULL), SetFill(1, 0),
+							NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_START_DATE_TEXT), SetDataTip(STR_JUST_DATE_LONG, STR_NULL), SetFill(1, 1),
 							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_START_DATE_UP), SetDataTip(SPR_ARROW_UP, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD), SetFill(0, 1),
 						EndContainer(),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWNNAME_DROPDOWN), SetDataTip(STR_JUST_STRING, STR_MAPGEN_TOWN_NAME_DROPDOWN_TOOLTIP), SetFill(1, 0),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWN_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 0),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_INDUSTRY_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 0),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_WATER_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 0),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWNNAME_DROPDOWN), SetDataTip(STR_JUST_STRING, STR_MAPGEN_TOWN_NAME_DROPDOWN_TOOLTIP), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWN_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_INDUSTRY_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_WATER_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 1),
 					EndContainer(),
 				EndContainer(),
 			EndContainer(),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 4),
-		/* Map borders buttons for each edge. */
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
-			NWidget(NWID_HORIZONTAL), SetPIP(0, 0, 3),
-				NWidget(NWID_SPACER), SetFill(1, 1),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NORTHWEST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
+
+			/* Map borders buttons for each edge. */
+			NWidget(NWID_VERTICAL),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NORTHWEST, STR_NULL), SetPadding(0, WidgetDimensions::unscaled.hsep_normal, 0, 0), SetFill(1, 1), SetAlignment(SA_RIGHT | SA_VERT_CENTER),
+					NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_NW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHWEST), SetFill(1, 1),
+					NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_NE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHEAST), SetFill(1, 1),
+					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NORTHEAST, STR_NULL), SetPadding(0, 0, 0, WidgetDimensions::unscaled.hsep_normal), SetFill(1, 1),
+				EndContainer(),
+				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SOUTHWEST, STR_NULL), SetPadding(0, WidgetDimensions::unscaled.hsep_normal, 0, 0), SetFill(1, 1), SetAlignment(SA_RIGHT | SA_VERT_CENTER),
+					NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_SW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHWEST), SetFill(1, 1),
+					NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_SE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHEAST), SetFill(1, 1),
+					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SOUTHEAST, STR_NULL), SetPadding(0, 0, 0, WidgetDimensions::unscaled.hsep_normal), SetFill(1, 1),
+				EndContainer(),
 			EndContainer(),
-			NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_NW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHWEST), SetFill(1, 1),
-			NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_NE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHEAST), SetFill(1, 1),
-			NWidget(NWID_HORIZONTAL), SetPIP(3, 0, 0),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NORTHEAST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
-				NWidget(NWID_SPACER), SetFill(1, 1),
+
+			/* AI, GS, and NewGRF settings */
+			NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_AI_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_AI_SETTINGS, STR_MAPGEN_AI_SETTINGS_TOOLTIP), SetFill(1, 0),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_GS_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_GS_SETTINGS, STR_MAPGEN_GS_SETTINGS_TOOLTIP), SetFill(1, 0),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_NEWGRF_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_NEWGRF_SETTINGS, STR_MAPGEN_NEWGRF_SETTINGS_TOOLTIP), SetFill(1, 0),
 			EndContainer(),
+
+			/* Generate */
+			NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_GL_GENERATE_BUTTON), SetMinimalSize(84, 36), SetDataTip(STR_MAPGEN_GENERATE, STR_NULL), SetFill(1, 1),
 		EndContainer(),
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
-			NWidget(NWID_HORIZONTAL), SetPIP(0, 0, 3),
-				NWidget(NWID_SPACER), SetFill(1, 1),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SOUTHWEST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
-			EndContainer(),
-			NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_SW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHWEST), SetFill(1, 1),
-			NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_WATER_SE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHEAST), SetFill(1, 1),
-			NWidget(NWID_HORIZONTAL), SetPIP(3, 0, 0),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SOUTHEAST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
-				NWidget(NWID_SPACER), SetFill(1, 1),
-			EndContainer(),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 6), SetFill(1, 1),
-		/* AI, GS, and NewGRF settings */
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_AI_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_AI_SETTINGS, STR_MAPGEN_AI_SETTINGS_TOOLTIP), SetFill(1, 0),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_GS_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_GS_SETTINGS, STR_MAPGEN_GS_SETTINGS_TOOLTIP), SetFill(1, 0),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_NEWGRF_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_NEWGRF_SETTINGS, STR_MAPGEN_NEWGRF_SETTINGS_TOOLTIP), SetFill(1, 0),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetFill(1, 1),
-		/* Generate */
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_GL_GENERATE_BUTTON), SetMinimalSize(84, 36), SetDataTip(STR_MAPGEN_GENERATE, STR_NULL), SetPadding(0, 10, 0, 10), SetFill(1, 1),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 9), SetFill(1, 1),
 	EndContainer(),
 };
 
@@ -216,114 +200,112 @@ static const NWidgetPart _nested_heightmap_load_widgets[] = {
 		NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_MAPGEN_WORLD_GENERATION_CAPTION, STR_NULL),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_BROWN),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 10),
-		/* Landscape selection. */
-		NWidget(NWID_HORIZONTAL), SetPIP(10, 0, 10),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TEMPERATE), SetDataTip(SPR_SELECT_TEMPERATE, STR_INTRO_TOOLTIP_TEMPERATE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_ARCTIC), SetDataTip(SPR_SELECT_SUB_ARCTIC, STR_INTRO_TOOLTIP_SUB_ARCTIC_LANDSCAPE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TROPICAL), SetDataTip(SPR_SELECT_SUB_TROPICAL, STR_INTRO_TOOLTIP_SUB_TROPICAL_LANDSCAPE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TOYLAND), SetDataTip(SPR_SELECT_TOYLAND, STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE),
-			NWidget(NWID_SPACER), SetFill(1, 0),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 11), SetFill(0, 1),
-		/* Generation options. */
-		NWidget(NWID_HORIZONTAL), SetPIP(10, 3, 10),
-			/* Left half labels (global column 1) and heightmap name label */
-			NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-			    /* Heightmap name label. */
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_NAME, STR_NULL), SetFill(1, 1),
-				/* Land generation option labels */
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_SIZE_LABEL, STR_NULL), SetFill(1, 1),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAPSIZE, STR_NULL), SetFill(1, 1),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_ROTATION, STR_NULL), SetFill(1, 1),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_HEIGHT, STR_NULL), SetFill(1, 1),
-				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_QUANTITY_OF_RIVERS, STR_NULL), SetFill(1, 1),
+		NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0), SetPadding(WidgetDimensions::unscaled.sparse),
+			/* Landscape selection. */
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0), SetPIPRatio(1, 1, 1),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TEMPERATE), SetDataTip(SPR_SELECT_TEMPERATE, STR_INTRO_TOOLTIP_TEMPERATE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_ARCTIC), SetDataTip(SPR_SELECT_SUB_ARCTIC, STR_INTRO_TOOLTIP_SUB_ARCTIC_LANDSCAPE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TROPICAL), SetDataTip(SPR_SELECT_SUB_TROPICAL, STR_INTRO_TOOLTIP_SUB_TROPICAL_LANDSCAPE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_GL_TOYLAND), SetDataTip(SPR_SELECT_TOYLAND, STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE),
 			EndContainer(),
-			/* All other columns. */
-			NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
+
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+				/* Heightmap name label. */
+				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_NAME, STR_NULL),
 				NWidget(WWT_TEXT, COLOUR_ORANGE, WID_GL_HEIGHTMAP_NAME_TEXT), SetTextStyle(TC_ORANGE), SetDataTip(STR_JUST_RAW_STRING, STR_EMPTY), SetFill(1, 0),
-				NWidget(NWID_HORIZONTAL), SetPIP(0, 5, 0),
+			EndContainer(),
+
+			/* Generation options. */
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+				/* Left half (land generation options) */
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+					/* Labels on the left side (global column 1). */
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						/* Land generation option labels. */
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_SIZE_LABEL, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAPSIZE, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_ROTATION, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_HEIGHT, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_QUANTITY_OF_RIVERS, STR_NULL), SetFill(1, 1),
+					EndContainer(),
+
 					/* Left half widgets (global column 2) */
-					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-						NWidget(WWT_TEXT, COLOUR_ORANGE, WID_GL_HEIGHTMAP_SIZE_TEXT), SetDataTip(STR_MAPGEN_HEIGHTMAP_SIZE, STR_NULL), SetFill(1, 0),
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						NWidget(WWT_TEXT, COLOUR_ORANGE, WID_GL_HEIGHTMAP_SIZE_TEXT), SetDataTip(STR_MAPGEN_HEIGHTMAP_SIZE, STR_NULL), SetFill(1, 1),
 						/* Mapsize X * Y. */
-						NWidget(NWID_HORIZONTAL), SetPIP(0, 4, 0),
-							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_X_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 0),
-							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BY, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(1, 1),
-							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_Y_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_X_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 1),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BY, STR_NULL), SetFill(0, 1), SetAlignment(SA_CENTER),
+							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_MAPSIZE_Y_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 1),
 						EndContainer(),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_ROTATION_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 0),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_ROTATION_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 1),
 						/* Heightmap highest peak. */
 						NWidget(NWID_HORIZONTAL),
 							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_HEIGHTMAP_HEIGHT_DOWN), SetFill(0, 1),
-							NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_TEXT), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 0),
+							NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_TEXT), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 1),
 							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_HEIGHTMAP_HEIGHT_UP), SetFill(0, 1),
 						EndContainer(),
-						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_RIVER_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 0),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_RIVER_PULLDOWN), SetDataTip(STR_JUST_STRING, STR_NULL), SetFill(1, 1),
 					EndContainer(),
-					NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
-						NWidget(NWID_HORIZONTAL), SetPIP(0, 3, 0),
-							/* Right half labels (global column 3) */
-							NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_LABEL),
-									NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_COVERAGE, STR_NULL), SetFill(1, 1),
-									NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DESERT_COVERAGE, STR_NULL), SetFill(1, 1),
-									NWidget(NWID_SPACER),
-								EndContainer(),
-								NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DATE, STR_NULL), SetFill(1, 1),
-								NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_TOWN_NAME_LABEL, STR_NULL), SetFill(1, 1),
-								NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NUMBER_OF_TOWNS, STR_NULL), SetFill(1, 1),
-								NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NUMBER_OF_INDUSTRIES, STR_NULL), SetFill(1, 1),
-							EndContainer(),
-							/* Right half widgets (global column 4) */
-							NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-								/* Climate selector. */
-								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_SELECTOR),
-									/* Snow coverage. */
-									NWidget(NWID_HORIZONTAL),
-										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_COVERAGE_DOWN), SetFill(0, 1),
-										NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_SNOW_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
-										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_SNOW_COVERAGE_UP), SetFill(0, 1),
-									EndContainer(),
-									/* Desert coverage. */
-									NWidget(NWID_HORIZONTAL),
-										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_DESERT_COVERAGE_DOWN), SetFill(0, 1),
-										NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_DESERT_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
-										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_DESERT_COVERAGE_UP), SetFill(0, 1),
-									EndContainer(),
-									/* Temperate/Toyland spacer. */
-									NWidget(NWID_SPACER),
-								EndContainer(),
-								/* Starting date. */
-								NWidget(NWID_HORIZONTAL),
-									NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_START_DATE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD), SetFill(0, 1),
-									NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_START_DATE_TEXT), SetDataTip(STR_JUST_DATE_LONG, STR_NULL), SetFill(1, 0),
-									NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_START_DATE_UP), SetDataTip(SPR_ARROW_UP, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD), SetFill(0, 1),
-								EndContainer(),
-								NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWNNAME_DROPDOWN), SetDataTip(STR_JUST_STRING, STR_MAPGEN_TOWN_NAME_DROPDOWN_TOOLTIP), SetFill(1, 0),
-								NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWN_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 0),
-								NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_INDUSTRY_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 0),
-							EndContainer(),
+				EndContainer(),
+
+				/* Right half (all other options) */
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+					/* Right half labels (global column 3) */
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_LABEL),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_COVERAGE, STR_NULL), SetFill(1, 1),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DESERT_COVERAGE, STR_NULL), SetFill(1, 1),
+							NWidget(NWID_SPACER), SetFill(1, 1),
 						EndContainer(),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DATE, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_TOWN_NAME_LABEL, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NUMBER_OF_TOWNS, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NUMBER_OF_INDUSTRIES, STR_NULL), SetFill(1, 1),
+					EndContainer(),
+
+					/* Right half widgets (global column 4) */
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						/* Climate selector. */
+						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_SELECTOR),
+							/* Snow coverage. */
+							NWidget(NWID_HORIZONTAL),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_COVERAGE_DOWN), SetFill(0, 1),
+								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_SNOW_COVERAGE_TEXT, STR_NULL), SetFill(1, 1),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_SNOW_COVERAGE_UP), SetFill(0, 1),
+							EndContainer(),
+							/* Desert coverage. */
+							NWidget(NWID_HORIZONTAL),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_DESERT_COVERAGE_DOWN), SetFill(0, 1),
+								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_DESERT_COVERAGE_TEXT, STR_NULL), SetFill(1, 1),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_DESERT_COVERAGE_UP), SetFill(0, 1),
+							EndContainer(),
+							/* Temperate/Toyland spacer. */
+							NWidget(NWID_SPACER), SetFill(1, 1),
+						EndContainer(),
+						/* Starting date. */
+						NWidget(NWID_HORIZONTAL),
+							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_START_DATE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD), SetFill(0, 1),
+							NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_START_DATE_TEXT), SetDataTip(STR_JUST_DATE_LONG, STR_NULL), SetFill(1, 1),
+							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_START_DATE_UP), SetDataTip(SPR_ARROW_UP, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD), SetFill(0, 1),
+						EndContainer(),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWNNAME_DROPDOWN), SetDataTip(STR_JUST_STRING, STR_MAPGEN_TOWN_NAME_DROPDOWN_TOOLTIP), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_TOWN_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 1),
+						NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_GL_INDUSTRY_PULLDOWN), SetDataTip(STR_JUST_STRING1, STR_NULL), SetFill(1, 1),
 					EndContainer(),
 				EndContainer(),
 			EndContainer(),
+
+			/* AI, GS, and NewGRF settings */
+			NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_AI_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_AI_SETTINGS, STR_MAPGEN_AI_SETTINGS_TOOLTIP), SetFill(1, 0),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_GS_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_GS_SETTINGS, STR_MAPGEN_GS_SETTINGS_TOOLTIP),  SetFill(1, 0),
+				NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_NEWGRF_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_NEWGRF_SETTINGS, STR_MAPGEN_NEWGRF_SETTINGS_TOOLTIP), SetFill(1, 0),
+			EndContainer(),
+
+			/* Generate */
+			NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_GL_GENERATE_BUTTON), SetMinimalSize(84, 36), SetDataTip(STR_MAPGEN_GENERATE, STR_NULL), SetFill(1, 1),
 		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 6), SetFill(1, 1),
-		/* AI, GS, and NewGRF settings */
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(10, 0, 10),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_AI_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_AI_SETTINGS, STR_MAPGEN_AI_SETTINGS_TOOLTIP), SetFill(1, 0),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_GS_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_GS_SETTINGS, STR_MAPGEN_GS_SETTINGS_TOOLTIP),  SetFill(1, 0),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_GL_NEWGRF_BUTTON), SetMinimalSize(0, 24), SetDataTip(STR_MAPGEN_NEWGRF_SETTINGS, STR_MAPGEN_NEWGRF_SETTINGS_TOOLTIP), SetFill(1, 0),
-		EndContainer(),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 7), SetFill(1, 1),
-		/* Generate */
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_GL_GENERATE_BUTTON), SetMinimalSize(84, 36), SetDataTip(STR_MAPGEN_GENERATE, STR_NULL), SetPadding(0, 10, 0, 10), SetFill(1, 1),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 9), SetFill(1, 1),
 	EndContainer(),
 };
 
@@ -1266,46 +1248,53 @@ static const NWidgetPart _nested_create_scenario_widgets[] = {
 		NWidget(WWT_CAPTION, COLOUR_BROWN), SetDataTip(STR_SE_MAPGEN_CAPTION, STR_NULL),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_BROWN),
-		NWidget(NWID_SPACER), SetMinimalSize(0, 10),
-		/* Landscape style selection. */
-		NWidget(NWID_HORIZONTAL), SetPIP(10, 3, 10),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_TEMPERATE), SetDataTip(SPR_SELECT_TEMPERATE, STR_INTRO_TOOLTIP_TEMPERATE),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_ARCTIC), SetDataTip(SPR_SELECT_SUB_ARCTIC, STR_INTRO_TOOLTIP_SUB_ARCTIC_LANDSCAPE),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_TROPICAL), SetDataTip(SPR_SELECT_SUB_TROPICAL, STR_INTRO_TOOLTIP_SUB_TROPICAL_LANDSCAPE),
-			NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_TOYLAND), SetDataTip(SPR_SELECT_TOYLAND, STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE),
-		EndContainer(),
-		NWidget(NWID_HORIZONTAL), SetPIP(10, 8, 10),
-			/* Green generation type buttons: 'Flat land' and 'Random land'. */
-			NWidget(NWID_VERTICAL), SetPIP(10, 6, 10),
-				NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_CS_EMPTY_WORLD), SetDataTip(STR_SE_MAPGEN_FLAT_WORLD, STR_SE_MAPGEN_FLAT_WORLD_TOOLTIP), SetFill(1, 1),
-				NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_CS_RANDOM_WORLD), SetDataTip(STR_SE_MAPGEN_RANDOM_LAND, STR_TERRAFORM_TOOLTIP_GENERATE_RANDOM_LAND), SetFill(1, 1),
+		NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0), SetPadding(WidgetDimensions::unscaled.sparse),
+			/* Landscape style selection. */
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0), SetPIPRatio(1, 1, 1),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_TEMPERATE), SetDataTip(SPR_SELECT_TEMPERATE, STR_INTRO_TOOLTIP_TEMPERATE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_ARCTIC), SetDataTip(SPR_SELECT_SUB_ARCTIC, STR_INTRO_TOOLTIP_SUB_ARCTIC_LANDSCAPE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_TROPICAL), SetDataTip(SPR_SELECT_SUB_TROPICAL, STR_INTRO_TOOLTIP_SUB_TROPICAL_LANDSCAPE),
+				NWidget(WWT_IMGBTN_2, COLOUR_ORANGE, WID_CS_TOYLAND), SetDataTip(SPR_SELECT_TOYLAND, STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE),
 			EndContainer(),
-			/* Labels + setting drop-downs */
-			NWidget(NWID_VERTICAL), SetPIP(10, 6, 10),
-				/* Map size. */
-				NWidget(NWID_HORIZONTAL),
-					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAPSIZE, STR_NULL), SetPadding(1, 0, 0, 0),
-					NWidget(NWID_SPACER), SetMinimalSize(6, 0), SetFill(1, 0),
-					NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_CS_MAPSIZE_X_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetPadding(0, 4, 0, 0),
-					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BY, STR_NULL), SetPadding(1, 2, 0, 0),
-					NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_CS_MAPSIZE_Y_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL),
+
+			NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+				/* Green generation type buttons: 'Flat land' and 'Random land'. */
+				NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_CS_EMPTY_WORLD), SetDataTip(STR_SE_MAPGEN_FLAT_WORLD, STR_SE_MAPGEN_FLAT_WORLD_TOOLTIP), SetFill(1, 1),
+					NWidget(WWT_PUSHTXTBTN, COLOUR_GREEN, WID_CS_RANDOM_WORLD), SetDataTip(STR_SE_MAPGEN_RANDOM_LAND, STR_TERRAFORM_TOOLTIP_GENERATE_RANDOM_LAND), SetFill(1, 1),
 				EndContainer(),
-				/* Date. */
-				NWidget(NWID_HORIZONTAL),
-					NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DATE, STR_NULL), SetPadding(1, 0, 0, 0),
-					NWidget(NWID_SPACER), SetMinimalSize(6, 0), SetFill(1, 0),
-					NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_START_DATE_DOWN), SetFill(0, 1), SetDataTip(SPR_ARROW_DOWN, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD),
-					NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_CS_START_DATE_TEXT), SetDataTip(STR_JUST_DATE_LONG, STR_NULL),
-					NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_START_DATE_UP), SetFill(0, 1), SetDataTip(SPR_ARROW_UP, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD),
-				EndContainer(),
-				/* Flat map height. */
-				NWidget(NWID_HORIZONTAL),
-					NWidget(WWT_TEXT, COLOUR_ORANGE),
-												SetDataTip(STR_SE_MAPGEN_FLAT_WORLD_HEIGHT, STR_NULL), SetPadding(1, 0, 0, 0),
-					NWidget(NWID_SPACER), SetMinimalSize(6, 0), SetFill(1, 0),
-					NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_FLAT_LAND_HEIGHT_DOWN), SetFill(0, 1), SetDataTip(SPR_ARROW_DOWN, STR_SE_MAPGEN_FLAT_WORLD_HEIGHT_DOWN),
-					NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_CS_FLAT_LAND_HEIGHT_TEXT), SetDataTip(STR_JUST_INT, STR_NULL),
-					NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_FLAT_LAND_HEIGHT_UP), SetFill(0, 1), SetDataTip(SPR_ARROW_UP, STR_SE_MAPGEN_FLAT_WORLD_HEIGHT_UP),
+
+				/* Labels + setting drop-downs */
+				NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+					/* Labels. */
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAPSIZE, STR_NULL), SetFill(0, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DATE, STR_NULL), SetFill(0, 1),
+						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_SE_MAPGEN_FLAT_WORLD_HEIGHT, STR_NULL), SetFill(0, 1),
+					EndContainer(),
+
+					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						/* Map size. */
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_CS_MAPSIZE_X_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 1),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_BY, STR_NULL), SetFill(0, 1), SetAlignment(SA_CENTER),
+							NWidget(WWT_DROPDOWN, COLOUR_ORANGE, WID_CS_MAPSIZE_Y_PULLDOWN), SetDataTip(STR_JUST_INT, STR_NULL), SetFill(1, 1),
+						EndContainer(),
+
+						/* Date. */
+						NWidget(NWID_HORIZONTAL),
+							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_START_DATE_DOWN), SetFill(0, 1), SetDataTip(SPR_ARROW_DOWN, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD),
+							NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_CS_START_DATE_TEXT),  SetFill(1, 1), SetDataTip(STR_JUST_DATE_LONG, STR_NULL),
+							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_START_DATE_UP), SetFill(0, 1), SetDataTip(SPR_ARROW_UP, STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD),
+						EndContainer(),
+
+						/* Flat map height. */
+						NWidget(NWID_HORIZONTAL),
+							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_FLAT_LAND_HEIGHT_DOWN), SetFill(0, 1), SetDataTip(SPR_ARROW_DOWN, STR_SE_MAPGEN_FLAT_WORLD_HEIGHT_DOWN),
+							NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, WID_CS_FLAT_LAND_HEIGHT_TEXT),  SetFill(1, 1), SetDataTip(STR_JUST_INT, STR_NULL),
+							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_CS_FLAT_LAND_HEIGHT_UP), SetFill(0, 1), SetDataTip(SPR_ARROW_UP, STR_SE_MAPGEN_FLAT_WORLD_HEIGHT_UP),
+						EndContainer(),
+					EndContainer(),
 				EndContainer(),
 			EndContainer(),
 		EndContainer(),

src/lang/french.txt

@@ -1091,6 +1091,7 @@ STR_GAME_OPTIONS_BASE_MUSIC                                     :{BLACK}Musique
 STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP                             :{BLACK}Sélectionner la musique de base à utiliser
 STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP                 :{BLACK}Informations additionnelles sur la musique de base
 
+STR_BASESET_STATUS                                              :{STRING} {RED}({NUM} fichier{P "" s} manquant{P "" s}/corrompu{P "" s})
 
 STR_ERROR_RESOLUTION_LIST_FAILED                                :{WHITE}Échec de la récupération de la liste des résolutions prises en charge
 STR_ERROR_FULLSCREEN_FAILED                                     :{WHITE}Échec du mode plein écran

src/settings_gui.cpp

@@ -743,7 +743,7 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 		NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY),
-		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(5, 10, 5, 10),
+		NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPadding(WidgetDimensions::unscaled.sparse),
 			NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GO_TAB_GENERAL),  SetMinimalTextLines(2, 0), SetDataTip(STR_GAME_OPTIONS_TAB_GENERAL, STR_GAME_OPTIONS_TAB_GENERAL_TT), SetFill(1, 0),
 			NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GO_TAB_GRAPHICS), SetMinimalTextLines(2, 0), SetDataTip(STR_GAME_OPTIONS_TAB_GRAPHICS, STR_GAME_OPTIONS_TAB_GRAPHICS_TT), SetFill(1, 0),
 			NWidget(WWT_TEXTBTN, COLOUR_YELLOW, WID_GO_TAB_SOUND),    SetMinimalTextLines(2, 0), SetDataTip(STR_GAME_OPTIONS_TAB_SOUND, STR_GAME_OPTIONS_TAB_SOUND_TT), SetFill(1, 0),
@@ -752,7 +752,7 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 	NWidget(WWT_PANEL, COLOUR_GREY),
 		NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GO_TAB_SELECTION),
 			/* General tab */
-			NWidget(NWID_VERTICAL), SetPadding(10), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
+			NWidget(NWID_VERTICAL), SetPadding(WidgetDimensions::unscaled.sparse), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
 				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_LANGUAGE, STR_NULL),
 					NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_LANG_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_JUST_RAW_STRING, STR_GAME_OPTIONS_LANGUAGE_TOOLTIP), SetFill(1, 0),
 				EndContainer(),
@@ -766,13 +766,12 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 				EndContainer(),
 
 				NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GO_SURVEY_SEL),
-					NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_PARTICIPATE_SURVEY_FRAME, STR_NULL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_PARTICIPATE_SURVEY, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+					NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_PARTICIPATE_SURVEY_FRAME, STR_NULL), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_PARTICIPATE_SURVEY, STR_NULL),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_SURVEY_PARTICIPATE_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_PARTICIPATE_SURVEY_TOOLTIP),
 						EndContainer(),
-						NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
+						NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_SURVEY_PREVIEW_BUTTON), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_GAME_OPTIONS_PARTICIPATE_SURVEY_PREVIEW, STR_GAME_OPTIONS_PARTICIPATE_SURVEY_PREVIEW_TOOLTIP),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_SURVEY_LINK_BUTTON), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_GAME_OPTIONS_PARTICIPATE_SURVEY_LINK, STR_GAME_OPTIONS_PARTICIPATE_SURVEY_LINK_TOOLTIP),
 						EndContainer(),
@@ -781,18 +780,16 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 			EndContainer(),
 
 			/* Graphics tab */
-			NWidget(NWID_VERTICAL), SetPadding(10), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
+			NWidget(NWID_VERTICAL), SetPadding(WidgetDimensions::unscaled.sparse), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
 				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_GUI_SCALE_FRAME, STR_NULL),
 					NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0),
 						NWidget(WWT_EMPTY, COLOUR_GREY, WID_GO_GUI_SCALE), SetMinimalSize(67, 0), SetMinimalTextLines(1, 12 + WidgetDimensions::unscaled.vsep_normal, FS_SMALL), SetFill(0, 0), SetDataTip(0x0, STR_GAME_OPTIONS_GUI_SCALE_TOOLTIP),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_GUI_SCALE_AUTO, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_GUI_SCALE_AUTO, STR_NULL),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_GUI_SCALE_AUTO), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_GUI_SCALE_AUTO_TOOLTIP),
 						EndContainer(),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_GUI_SCALE_BEVELS, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_GUI_SCALE_BEVELS, STR_NULL),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_GUI_SCALE_BEVEL_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_GUI_SCALE_BEVELS_TOOLTIP),
 						EndContainer(),
 					EndContainer(),
@@ -800,30 +797,25 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 
 				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_GRAPHICS, STR_NULL),
 					NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_normal, 0),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12),SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_RESOLUTION, STR_NULL),
 							NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_RESOLUTION_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_JUST_STRING2, STR_GAME_OPTIONS_RESOLUTION_TOOLTIP),
 						EndContainer(),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_REFRESH_RATE, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_REFRESH_RATE, STR_NULL),
 							NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_REFRESH_RATE_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_GAME_OPTIONS_REFRESH_RATE_ITEM, STR_GAME_OPTIONS_REFRESH_RATE_TOOLTIP),
 						EndContainer(),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_FULLSCREEN, STR_NULL),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_FULLSCREEN_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP),
 						EndContainer(),
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_VIDEO_ACCELERATION, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_VIDEO_ACCELERATION, STR_NULL),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_VIDEO_ACCEL_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_VIDEO_ACCELERATION_TOOLTIP),
 						EndContainer(),
 #ifndef __APPLE__
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_VIDEO_VSYNC, STR_NULL),
-							NWidget(NWID_SPACER), SetMinimalSize(1, 0), SetFill(1, 0),
+						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_normal, 0),
+							NWidget(WWT_TEXT, COLOUR_GREY), SetMinimalSize(0, 12), SetFill(1, 0), SetDataTip(STR_GAME_OPTIONS_VIDEO_VSYNC, STR_NULL),
 							NWidget(WWT_TEXTBTN, COLOUR_GREY, WID_GO_VIDEO_VSYNC_BUTTON), SetMinimalSize(21, 9), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_VIDEO_VSYNC_TOOLTIP),
 						EndContainer(),
 #endif
@@ -833,13 +825,13 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 					EndContainer(),
 				EndContainer(),
 
-				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL),
-					NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
+				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_GRF, STR_NULL), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0), SetFill(1, 0),
+					NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
 						NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_JUST_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP), SetFill(1, 0),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_PARAMETERS), SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
 					EndContainer(),
-					NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_DESCRIPTION), SetMinimalSize(200, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
-					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
+					NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_DESCRIPTION), SetMinimalSize(200, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0),
+					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
@@ -848,39 +840,37 @@ static const NWidgetPart _nested_game_options_widgets[] = {
 			EndContainer(),
 
 			/* Sound/Music tab */
-			NWidget(NWID_VERTICAL), SetPadding(10), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
-				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_VOLUME, STR_NULL),
-					NWidget(NWID_VERTICAL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
-						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
-							NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_TEXT_SFX_VOLUME), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_SFX_VOLUME, STR_NULL),
-							NWidget(WWT_EMPTY, COLOUR_GREY, WID_GO_BASE_SFX_VOLUME), SetMinimalSize(67, 0), SetMinimalTextLines(1, 12 + WidgetDimensions::unscaled.vsep_normal, FS_SMALL), SetFill(1, 0), SetDataTip(0x0, STR_MUSIC_TOOLTIP_DRAG_SLIDERS_TO_SET_MUSIC),
-						EndContainer(),
-						NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
-							NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_TEXT_MUSIC_VOLUME), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_MUSIC_VOLUME, STR_NULL),
-							NWidget(WWT_EMPTY, COLOUR_GREY, WID_GO_BASE_MUSIC_VOLUME), SetMinimalSize(67, 0), SetMinimalTextLines(1, 12 + WidgetDimensions::unscaled.vsep_normal, FS_SMALL), SetFill(1, 0), SetDataTip(0x0, STR_MUSIC_TOOLTIP_DRAG_SLIDERS_TO_SET_MUSIC),
-						EndContainer(),
+			NWidget(NWID_VERTICAL), SetPadding(WidgetDimensions::unscaled.sparse), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
+				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_VOLUME, STR_NULL), SetPIP(0, WidgetDimensions::unscaled.vsep_wide, 0),
+					NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+						NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_TEXT_SFX_VOLUME), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_SFX_VOLUME, STR_NULL),
+						NWidget(WWT_EMPTY, COLOUR_GREY, WID_GO_BASE_SFX_VOLUME), SetMinimalSize(67, 0), SetMinimalTextLines(1, 12 + WidgetDimensions::unscaled.vsep_normal, FS_SMALL), SetFill(1, 0), SetDataTip(0x0, STR_MUSIC_TOOLTIP_DRAG_SLIDERS_TO_SET_MUSIC),
+					EndContainer(),
+					NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+						NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_TEXT_MUSIC_VOLUME), SetMinimalSize(0, 12), SetDataTip(STR_GAME_OPTIONS_MUSIC_VOLUME, STR_NULL),
+						NWidget(WWT_EMPTY, COLOUR_GREY, WID_GO_BASE_MUSIC_VOLUME), SetMinimalSize(67, 0), SetMinimalTextLines(1, 12 + WidgetDimensions::unscaled.vsep_normal, FS_SMALL), SetFill(1, 0), SetDataTip(0x0, STR_MUSIC_TOOLTIP_DRAG_SLIDERS_TO_SET_MUSIC),
 					EndContainer(),
 				EndContainer(),
 
-				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL),
+				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_SFX, STR_NULL), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
 					NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_SFX_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_JUST_RAW_STRING, STR_GAME_OPTIONS_BASE_SFX_TOOLTIP), SetFill(1, 0),
-					NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GO_BASE_SFX_DESCRIPTION), SetMinimalSize(200, 0), SetMinimalTextLines(1, 0), SetDataTip(STR_NULL, STR_GAME_OPTIONS_BASE_SFX_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
-					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
+					NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GO_BASE_SFX_DESCRIPTION), SetMinimalSize(200, 0), SetMinimalTextLines(1, 0), SetDataTip(STR_NULL, STR_GAME_OPTIONS_BASE_SFX_DESCRIPTION_TOOLTIP), SetFill(1, 0),
+					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_SFX_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),
 					EndContainer(),
 				EndContainer(),
 
-				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL),
+				NWidget(WWT_FRAME, COLOUR_GREY), SetDataTip(STR_GAME_OPTIONS_BASE_MUSIC, STR_NULL), SetPIP(0, WidgetDimensions::unscaled.vsep_sparse, 0),
 					NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_MUSIC_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_JUST_RAW_STRING, STR_GAME_OPTIONS_BASE_MUSIC_TOOLTIP), SetFill(1, 0),
-					NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 7),
-						NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GO_BASE_MUSIC_DESCRIPTION), SetMinimalSize(200, 0), SetMinimalTextLines(1, 0), SetDataTip(STR_NULL, STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
-						NWidget(NWID_VERTICAL), SetPIP(0, 0, 0),
-							NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_JUKEBOX), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_MUSIC, STR_TOOLBAR_TOOLTIP_SHOW_SOUND_MUSIC_WINDOW), SetPadding(6, 0, 6, 0),
+					NWidget(NWID_HORIZONTAL), SetPIP(0, WidgetDimensions::unscaled.hsep_wide, 0),
+						NWidget(WWT_EMPTY, INVALID_COLOUR, WID_GO_BASE_MUSIC_DESCRIPTION), SetMinimalSize(200, 0), SetMinimalTextLines(1, 0), SetDataTip(STR_NULL, STR_GAME_OPTIONS_BASE_MUSIC_DESCRIPTION_TOOLTIP), SetFill(1, 0),
+						NWidget(NWID_VERTICAL), SetPIPRatio(0, 0, 1),
+							NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_JUKEBOX), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_MUSIC, STR_TOOLBAR_TOOLTIP_SHOW_SOUND_MUSIC_WINDOW),
 						EndContainer(),
 					EndContainer(),
-					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
+					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_README), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_README, STR_NULL),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_CHANGELOG), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_CHANGELOG, STR_NULL),
 						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_MUSIC_TEXTFILE + TFT_LICENSE), SetFill(1, 0), SetResize(1, 0), SetDataTip(STR_TEXTFILE_VIEW_LICENCE, STR_NULL),

src/toolbar_gui.cpp

@@ -1490,8 +1490,9 @@ public:
 	void Draw(const Window *w) override
 	{
 		/* Draw brown-red toolbar bg. */
-		GfxFillRect(this->pos_x, this->pos_y, this->pos_x + this->current_x - 1, this->pos_y + this->current_y - 1, PC_VERY_DARK_RED);
-		GfxFillRect(this->pos_x, this->pos_y, this->pos_x + this->current_x - 1, this->pos_y + this->current_y - 1, PC_DARK_RED, FILLRECT_CHECKER);
+		const Rect r = this->GetCurrentRect();
+		GfxFillRect(r, PC_VERY_DARK_RED);
+		GfxFillRect(r, PC_DARK_RED, FILLRECT_CHECKER);
 
 		this->NWidgetContainer::Draw(w);
 	}

src/widget.cpp

@@ -2093,7 +2093,7 @@ NWidgetCore *NWidgetMatrix::GetWidgetFromPos(int x, int y)
 /* virtual */ void NWidgetMatrix::Draw(const Window *w)
 {
 	/* Fill the background. */
-	GfxFillRect(this->pos_x, this->pos_y, this->pos_x + this->current_x - 1, this->pos_y + this->current_y - 1, _colour_gradient[this->colour & 0xF][5]);
+	GfxFillRect(this->GetCurrentRect(), _colour_gradient[this->colour & 0xF][5]);
 
 	/* Set up a clipping area for the previews. */
 	bool rtl = _current_text_dir == TD_RTL;
@@ -2419,8 +2419,7 @@ void NWidgetViewport::Draw(const Window *w)
 
 	/* Optionally shade the viewport. */
 	if (this->disp_flags & (ND_SHADE_GREY | ND_SHADE_DIMMED)) {
-		GfxFillRect(this->pos_x, this->pos_y, this->pos_x + this->current_x - 1, this->pos_y + this->current_y - 1,
-				(this->disp_flags & ND_SHADE_DIMMED) ? PALETTE_TO_TRANSPARENT : PALETTE_NEWSPAPER, FILLRECT_RECOLOUR);
+		GfxFillRect(this->GetCurrentRect(), (this->disp_flags & ND_SHADE_DIMMED) ? PALETTE_TO_TRANSPARENT : PALETTE_NEWSPAPER, FILLRECT_RECOLOUR);
 	}
 
 	DrawOutline(w, this);
@@ -3255,6 +3254,8 @@ static const NWidgetPart *MakeNWidget(const NWidgetPart *nwid_begin, const NWidg
 
 				NWidgetBackground *nwb = dynamic_cast<NWidgetBackground *>(*dest);
 				if (nwb != nullptr) nwb->SetPIPRatio(nwid_begin->u.pip.pre, nwid_begin->u.pip.inter, nwid_begin->u.pip.post);
+
+				if (unlikely(nwc == nullptr && nwb == nullptr)) throw std::runtime_error("WPT_PIPRATIO requires NWidgetPIPContainer or NWidgetBackground");
 				break;
 			}