Fixes to tutorial dialog

src/tutorial_gui.cpp

@@ -32,6 +32,8 @@
 #include "table/sprites.h"
 
 
+static bool showTutorialMainMenu = false;
+
 static const char * ANY_LANG = "ANY_LANG";
 
 struct VideoLink_t {
@@ -69,8 +71,10 @@ static const NWidgetPart _nested_tutorial_widgets[] = {
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY),
 		NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_TUTORIAL_WINDOW_TITLE, STR_TUTORIAL_WINDOW_TOOLTIP),
 	EndContainer(),
-	NWidget(NWID_HORIZONTAL), SetPIP(6, 0, 6),
-		NWidget(WWT_PANEL, COLOUR_GREY), SetPIP(8, 2, 6),
+	NWidget(WWT_PANEL, COLOUR_GREY),
+		NWidget(NWID_HORIZONTAL),
+			NWidget(NWID_SPACER), SetMinimalSize(6, 0), SetFill(1, 0),
+			NWidget(NWID_VERTICAL), SetPIP(16, 2, 6),
 				// TODO: make different button IDs
 				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
 					NWidget(WWT_LABEL, COLOUR_GREY), SetMinimalSize(120, 12), SetDataTip(STR_SMALLMAP_LEGENDA_BUS_STATION, STR_SMALLMAP_LEGENDA_BUS_STATION), SetFill(1, 1),
@@ -99,6 +103,8 @@ static const NWidgetPart _nested_tutorial_widgets[] = {
 					NWidget(WWT_IMGBTN, COLOUR_GREY, WID_STL_FACILALL), SetMinimalSize(120, 20), SetDataTip(SPR_IMG_COMPANY_FINANCE, STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES), SetFill(0, 1),
 				EndContainer(),
 			EndContainer(),
+			NWidget(NWID_SPACER), SetMinimalSize(6, 0), SetFill(1, 0),
+		EndContainer(),
 	EndContainer(),
 };
 
@@ -127,6 +133,7 @@ struct TutorialWindow : public Window {
 
 	virtual void OnClick(Point pt, int widget, int click_count)
 	{
+		showTutorialMainMenu = false;
 		counter = 5;
 		this->LowerWidget(widget);
 		this->SetDirty();
@@ -179,11 +186,14 @@ void ShowTutorialWindow()
 void ShowTutorialWindowOnceAfterInstall()
 {
 	static const char * TUTORIAL_SHOWN_FLAG = ".tutorial-shown-1.flag";
+
 	FILE *ff = fopen(TUTORIAL_SHOWN_FLAG, "r");
 	if (ff) {
 		fclose(ff);
+		if (!showTutorialMainMenu)
 			return;
 	}
+	showTutorialMainMenu = true;
 	ff = fopen(TUTORIAL_SHOWN_FLAG, "w");
 	fprintf(ff, "Tutorial shown");
 	fclose(ff);