* src/actions.c (set_vars): add maxundos

(push_frame_undo): new function
(pop_frame_undo): likewise
(initialize_default_keybindings): add binding for "undo"
(initialize_default_keybindings): add def alias for maxundos
(cmd_other): call set_active_window_force instead of
set_active_window
(cmd_v_split): push the frame set
(cmd_h_split): likewise
(cmd_only): likewise
(cmd_remove): likewise
(cmd_shrink): likewise
(cmd_tmpwm): likewise
(cmd_license): update copyright. Add build date and time.
(cmd_fselect): simplify code that returns the frame selected.
(fdump): new function
(cmd_fdump): call fdump to dump the screen's frame set.
(frestore): new function
(cmd_frestore): call frestore to restore the screen's frame set.
(cmd_sfdump): new function
(cmd_sdump): likewise
(set_maxundos): likewise
(cmd_cnext): likewise
(cmd_cprev): likewise
(cmd_inext): likewise
(cmd_iprev): likewise
(cmd_cother): likewise
(cmd_iother): likewise
(cmd_undo): likewise
(cmd_prompt): likewise
(cmd_describekey): likewise
(cmd_dedicate): likewise

* src/main.c (init_defaults): init maxundos to 20
(clean_up): free the undo history lists

* src/window.h (set_active_window_body): new function
(set_active_window_force): likewise

* src/window.c (set_active_window): new function
(set_active_window_force): likewise
(set_active_window_body): renamed from set_active_window
(set_active_window_body): Add code to handle dedicated frames.

* src/screen.h (screen_dump): new prototype

* src/screen.c (screen_dump): new function

* src/linkedlist.h (list_last): new macro

* src/group.h (group_last_window_by_class_complement): new prototype
(group_last_window_by_class): likewise

* src/group.c (group_last_window_by_class): new function
(group_last_window_by_class_complement): likewise

* src/globals.h (rp_frame_undos): new extern.
(rp_num_frame_undos): likewise

* src/globals.c (rp_frame_undos): new list.
(rp_num_frame_undos): new global

* src/frame.c (frame_new): init f->dedicated to 0.

* src/data.h (struct rp_frame): add dedicated member.
(struct rp_defaults): add maxundos member.
(struct rp_frame_undo): new struct.

* src/actions.c: new commands, cnext, cother, cprev,

1 files changed, 17 insertions, 1 deletions

diff --git a/src/data.h b/src/data.h
index 8cc4038..f8086e5 100644
--- a/src/data.h
+++ b/src/data.h
@@ -50,7 +50,11 @@ struct rp_frame
 
   /* For determining the last frame. */
   int last_access;
-  
+
+  /* Boolean that is set when a frame is 
+     `dedicated' (a.k.a. glued) to one window. */
+  unsigned int dedicated;
+
   struct list_head node;
 };
 
@@ -237,6 +241,9 @@ struct rp_defaults
   int history_size;
 
   char *frame_selectors;
+
+  /* How many frame sets to remember when undoing. */
+  int maxundos;
 };
 
 /* Information about a child process. */
@@ -325,4 +332,13 @@ struct rp_hook_db_entry
   struct list_head *hook;
 };
 
+typedef struct rp_frame_undo rp_frame_undo;
+struct rp_frame_undo
+{
+  char *frames;
+  rp_screen *screen;
+  struct list_head node;
+};
+
+
 #endif /* _RATPOISON_DATA_H */