unspecial directory buffer

src/text_editor/buffer.h

@@ -36,7 +36,6 @@ struct Buffer {
         int no_history : 1;
         int no_line_starts : 1;
         int dirty : 1;
-        int is_directory : 1;
         int gc : 1;
         int changed_on_disk : 1;
     };

src/text_editor/commands.cpp

@@ -83,7 +83,7 @@ void Command_ListBuffers() {
     Scratch       scratch;
     Array<String> strings = {scratch};
     For(Buffers) {
-        String string = Format(scratch, "%.*s id=%d is_dir=%d", FmtString(it.o->name), (int)it.id, it.o->is_directory);
+        String string = Format(scratch, "%.*s id=%d", FmtString(it.o->name), (int)it.id);
         Add(&strings, string);
     }
     String   result   = Merge(scratch, strings, "\n");

src/text_editor/management.cpp

@@ -244,13 +244,13 @@ String GetActiveMainWindowBufferName() {
 }
 
 String GetDir(Buffer *buffer) {
-    String name = buffer->is_directory ? buffer->name : ChopLastSlash(buffer->name);
+    String name = ChopLastSlash(buffer->name);
     return name;
 }
 
 String GetActiveMainWindowBufferDir() {
     BSet   set  = GetActiveMainSet();
-    String name = set.buffer->is_directory ? set.buffer->name : ChopLastSlash(set.buffer->name);
+    String name = ChopLastSlash(set.buffer->name);
     return name;
 }
 
@@ -330,8 +330,8 @@ Buffer *BufferOpenFile(String path) {
     if (!FileExists(path)) {
         buffer = CreateBuffer(sys_allocator, path);
     } else if (IsDir(path)) {
-        buffer               = CreateBuffer(sys_allocator, path, 4096 * 2);
-        buffer->is_directory = true;
+        String  buffer_name = GetUniqueBufferName(scratch, path, "+dir-");
+        buffer              = CreateBuffer(sys_allocator, buffer_name, 4096 * 2);
 
         for (FileIter it = IterateFiles(scratch, path); IsValid(it); Advance(&it)) {
             RawAppendf(buffer, "%.*s\n", FmtString(it.filename));

src/text_editor/todo.txt

@@ -1,5 +1,4 @@
 - maybe we could allow user to change window titles which would make them special in some way.
-- decouple buffer magic and directory listing, we want names for directory listers
 
 - dump text editor state to file, restore state
 - help menu popup when for example in process buffer, on tile bar buffer and stuff like that