minimap[osx]: try to avoid "updating" the minimap when a dialog is opened...

src/dialogxml/dialogs/dialog.cpp

@@ -34,6 +34,7 @@ extern sf::RenderWindow mainPtr;
 const short cDialog::BG_DARK = 5, cDialog::BG_LIGHT = 16;
 short cDialog::defaultBackground = cDialog::BG_DARK;
 cDialog* cDialog::topWindow = nullptr;
+bool cDialog::inDialog = false;
 
 std::string cDialog::generateRandomString(){
 	// Not bothering to seed, because it doesn't actually matter if it's truly random.
@@ -493,6 +494,8 @@ bool cDialog::sendInput(cKey key) {
 
 void cDialog::run(std::function<void(cDialog&)> onopen){
 	cDialog* formerTop = topWindow;
+	bool formerInDialog = inDialog;
+	inDialog = true;
 	// TODO: The introduction of the static topWindow means I may be able to use this instead of parent->win; do I still need parent?
 	sf::RenderWindow* parentWin = &(parent ? parent->win : mainPtr);
 	auto parentPos = parentWin->getPosition();
@@ -554,6 +557,7 @@ void cDialog::run(std::function<void(cDialog&)> onopen){
 	set_cursor(former_curs);
 	topWindow = formerTop;
 	makeFrontWindow(*parentWin);
+	inDialog = formerInDialog;
 }
 
 // This method is a main event event loop of the dialog.

src/dialogxml/dialogs/dialog.hpp

@@ -49,6 +49,7 @@ class cDialog {
 	template<typename Iter> void handleTabOrder(std::string& itemHit, Iter begin, Iter end);
 	std::vector<std::pair<std::string,cTextField*>> tabOrder;
 	static cDialog* topWindow; // Tracks the frontmost dialog.
+	static bool inDialog;
 public:
 	/// Performs essential startup initialization. Generally should not be called directly.
 	static void init();
@@ -211,6 +212,10 @@ public:
 		}
 		return p;
 	}
+	/// checks if a dialog is actually running
+	static bool checkIfDialogIsRunning() {
+		return inDialog;
+	}
 	cDialog& operator=(cDialog& other) = delete;
 	cDialog(cDialog& other) = delete;
 private:

src/game/boe.infodlg.cpp

@@ -694,9 +694,7 @@ void cStringRecorder::operator()(cDialog& me) {
 			break;
 		case NOTE_TOWN:
 			str1 = univ.town->get_special_string(label1);
-			if (label2>=univ.town->spec_strs.size())
-				add_string_to_buf("cStringRecorder()[town]: empty label 2.");
-			else
+			if (label2<univ.town->spec_strs.size())
 				str2 = univ.town->spec_strs[label2];
 			break;
 		case NOTE_OUT:

src/game/boe.minimap.cpp

@@ -10,6 +10,7 @@
 #include <SFML/System.hpp>
 
 #include "cursors.hpp"
+#include "dialog.hpp"
 #include "gfxsheets.hpp"
 #include "pict.hpp"
 #include "prefs.hpp"
@@ -108,6 +109,11 @@ void set_visible(bool vis)
 }
 
 void draw(bool need_refresh) {
+#ifdef __APPLE__
+	// can not be updated when a dialog is running
+	if (cDialog::checkIfDialogIsRunning())
+		return;
+#endif
 	if (changed) {
 		need_refresh=true;
 		changed = false;