Start adding EditorConfig files.

Add EditorConfig files where we currently have consistent indentation.
This might let us get rid of our editor modeline footers at some point.

Change-Id: I156f8d25cfa0050786eb2186c4b2e6d183c3a9ce
Reviewed-on: https://code.wireshark.org/review/12383
Reviewed-by: João Valverde <j@v6e.pt>

.editorconfig

@@ -0,0 +1,24 @@
+#
+# Editor configuration
+#
+# http://editorconfig.org/
+#
+
+# Global settings
+
+# We're the top. We're the Coliseum.
+root = true
+
+[*]
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# Autotools, Make, Nmake
+[{Makefile.am,Makefile,Makefile.nmake,config.nmake}]
+indent_style = tab
+
+# Python
+[*.py]
+indent_style = space
+indent_size = 4
+charset = utf-8

Makefile.am

@@ -688,6 +688,7 @@ MAINTAINERCLEANFILES =		\
 	ylwrap
 
 EXTRA_DIST = \
+	.editorconfig		\
 	.mailmap		\
 	INSTALL.configure	\
 	Makefile.am.inc		\

ui/qt/.editorconfig

@@ -0,0 +1,9 @@
+# Qt sources
+
+# Qt Creator defaults to 4 columns of spaces but doesn't yet support
+# EditorConfig:
+# https://bugreports.qt.io/browse/QTCREATORBUG-14013
+[*.{cpp,h}]
+indent_style = space
+indent_size = 4
+tab_width = 8

ui/qt/Makefile.am

@@ -291,6 +291,7 @@ EXTRA_DIST = \
 	$(QRC_FILES)			\
 	$(TS_FILES)			\
 	$(QM_FILES)			\
+	.editorconfig			\
 	CMakeLists.txt			\
 	doxygen.cfg.in			\
 	Makefile.common			\