Merge ddnet#6756

6756: Show circle icon next to editor filename when there are unsaved changes, increase size of info in editor menu bar, show X/Y decimal places  r=def- a=Robyt3


![change-indicator](https://github.com/ddnet/ddnet/assets/23437060/4c418a4e-fed8-4df3-9abc-e40754e446c2)


![info](https://github.com/ddnet/ddnet/assets/23437060/0d4c891c-bff4-4277-8e73-df59c382203b)


## Checklist

- [X] Tested the change ingame
- [X] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test (especially base/) or added coverage to integration test
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: Robert Müller <robytemueller@gmail.com>

src/engine/textrender.h

@@ -70,6 +70,7 @@ MAYBE_UNUSED static const char *FONT_ICON_HEART = "\xEF\x80\x84";
 MAYBE_UNUSED static const char *FONT_ICON_STAR = "\xEF\x80\x85";
 MAYBE_UNUSED static const char *FONT_ICON_CHECK = "\xEF\x80\x8C";
 MAYBE_UNUSED static const char *FONT_ICON_XMARK = "\xEF\x80\x8D";
+MAYBE_UNUSED static const char *FONT_ICON_CIRCLE = "\xEF\x84\x91";
 MAYBE_UNUSED static const char *FONT_ICON_ARROW_ROTATE_LEFT = "\xEF\x83\xA2";
 MAYBE_UNUSED static const char *FONT_ICON_ARROW_ROTATE_RIGHT = "\xEF\x80\x9E";
 MAYBE_UNUSED static const char *FONT_ICON_CERTIFICATE = "\xEF\x82\xA3";

src/game/editor/editor.cpp

@@ -5997,19 +5997,32 @@ void CEditor::RenderMenubar(CUIRect MenuBar)
 		UI()->DoPopupMenu(&s_PopupMenuEntitiesId, SettingsButton.x, SettingsButton.y + SettingsButton.h - 1.0f, 200.0f, 64.0f, this, PopupMenuSettings, PopupProperties);
 	}
 
-	CUIRect Info, Close;
+	CUIRect ChangedIndicator, Info, Close;
 	MenuBar.VSplitLeft(5.0f, nullptr, &MenuBar);
+	MenuBar.VSplitLeft(MenuBar.h, &ChangedIndicator, &MenuBar);
 	MenuBar.VSplitRight(20.0f, &MenuBar, &Close);
 	Close.VSplitLeft(5.0f, nullptr, &Close);
-	MenuBar.VSplitLeft(MenuBar.w * 0.75f, &MenuBar, &Info);
+	MenuBar.VSplitLeft(MenuBar.w * 0.6f, &MenuBar, &Info);
+
+	if(m_Map.m_Modified)
+	{
+		TextRender()->SetCurFont(TextRender()->GetFont(TEXT_FONT_ICON_FONT));
+		TextRender()->SetRenderFlags(ETextRenderFlags::TEXT_RENDER_FLAG_ONLY_ADVANCE_WIDTH | ETextRenderFlags::TEXT_RENDER_FLAG_NO_X_BEARING | ETextRenderFlags::TEXT_RENDER_FLAG_NO_Y_BEARING | ETextRenderFlags::TEXT_RENDER_FLAG_NO_PIXEL_ALIGMENT | ETextRenderFlags::TEXT_RENDER_FLAG_NO_OVERSIZE);
+		UI()->DoLabel(&ChangedIndicator, FONT_ICON_CIRCLE, 8.0f, TEXTALIGN_MC);
+		TextRender()->SetRenderFlags(0);
+		TextRender()->SetCurFont(nullptr);
+		static int s_ChangedIndicator;
+		DoButton_Editor_Common(&s_ChangedIndicator, "", 0, &ChangedIndicator, 0, "This map has unsaved changes"); // just for the tooltip, result unused
+	}
+
 	char aBuf[IO_MAX_PATH_LENGTH + 32];
 	str_format(aBuf, sizeof(aBuf), "File: %s", m_aFileName);
 	UI()->DoLabel(&MenuBar, aBuf, 10.0f, TEXTALIGN_ML);
 
 	char aTimeStr[6];
 	str_timestamp_format(aTimeStr, sizeof(aTimeStr), "%H:%M");
 
-	str_format(aBuf, sizeof(aBuf), "X: %i, Y: %i, Z: %.1f, A: %.1f, G: %i  %s", (int)UI()->MouseWorldX() / 32, (int)UI()->MouseWorldY() / 32, m_Zoom, m_AnimateSpeed, m_GridFactor, aTimeStr);
+	str_format(aBuf, sizeof(aBuf), "X: %.1f, Y: %.1f, Z: %.1f, A: %.1f, G: %i  %s", UI()->MouseWorldX() / 32.0f, UI()->MouseWorldY() / 32.0f, m_Zoom, m_AnimateSpeed, m_GridFactor, aTimeStr);
 	UI()->DoLabel(&Info, aBuf, 10.0f, TEXTALIGN_MR);
 
 	static int s_CloseButton = 0;