Read default order of windows from file config/toggle_win_order.

[plomrogue] / src / windows.h

diff --git a/src/windows.h b/src/windows.h
index 2116b7bef605ae875504ef1e732f089b60f41444..a8783fe2563ea1497afe7994378f723e8f18ac53 100644 (file)
--- a/src/windows.h
+++ b/src/windows.h
@@ -9,7 +9,8 @@
  *
  * Windows can be almost any width (number has to fit into 16 bits); the virtual
  * screen grows with them as needed -- but only horizontally and only up to 2^16
- * cells. Their height is limited by the height of the terminal screen.
+ * cells. Their height is limited by the height of the terminal screen, which
+ * must also fit into 2^16 cells.
  *
  * Positioning of windows can only indirectly be influenced: by resizing them,
  * and by shifting their relative position inside the (currently invisible)
@@ -22,7 +23,9 @@
  * Functions that return uint8_t return these error codes:
  * 0 - success
  * 1 - memory allocation error (of ncurses' pads/windows, or scroll hint texts)
- * 2 - activity forces virtual screen to grow beyond width of 2^16 cells
+ * 2 - would force virtual screen to grow beyond width or height of 2^16 cells
+ *
+ * TODO: Expose less internals to the API.
  *
  * TODO: Think up a more intuitive window positioning algorithm or at least make
  * the chain that windows are positioned by visible.
@@ -114,7 +117,7 @@ extern struct Win init_win(struct WinMeta * wmeta, char * title,
 
 
 
-/* Append/suspend window "w" to/from chain of visible windows in "wmeta".
+/* Append/suspend window "w" to/from chain of visible windows below "wmeta".
  * Appended windows will become active. Suspended active windows will move the
  * active window selection to their successor in the window chain or, failing
  * that, their predecessor; if no window remains, none will be active.
@@ -136,21 +139,24 @@ extern void reset_pad_offset(struct WinMeta * wmeta, uint16_t new_offset);
 
 /* Apply new size "size" to the active window, but only if it provides for at
  * least one cell width/height and is in height at least one cell smaller than
- * the screen's vertical height (to provide space for the title bar).
+ * the screen's vertical height (to provide space for the title bar). Does
+ * nothing if no window is active.
  */
 extern uint8_t resize_active_win(struct WinMeta * wmeta, struct yx_uint16 size);
 
 
 
-/* Cycle active window selection forwards (set dir="n") or backwards. Wrap
- * around in the windows chain if start / end of it is met.
+/* Cycle active window selection forwards ("dir" == "f") or backwards (any
+ * other "dir"). Wrap around in the windows chain if start / end of it is met.
+ * Does nothing if no window is active.
  */
 extern void cycle_active_win(struct WinMeta * wmeta, char dir);
 
 
 
-/* Move active window forwards (set dir="f") or backwards (set dir="b"). Wrap
- * around in the window chain if start / end of it is met.
+/* Move active window forwards ("dir" == "f") or backwards (any other "dir").
+ * Wrap around in the window chain if start / end of it is met. Does nothing if
+ * no window is active.
  */
 extern uint8_t shift_active_win(struct WinMeta * wmeta, char dir);