/* members supposed to be used ONLY INTERNALLY */
struct Win * _prev; /* chain pointers; if 0, they mark the start or end */
struct Win * _next; /* of the chain; if both are 0, Win is outside chain */
- struct yx_uint16 _start; /* upper left corner of WINDOW in "frame" */
+ struct yx_uint16 _start; /* upper left corner of "frame" WINDOW */
char * _title; /* title to be used in window title bar */
void (* _draw) (struct Win *); /* how to draw window content ("data") */
-/* The window manager's parent struct WinMeta provides the virtual screen and a
- * representation of the terminal screen. It also anchors start and end of the
- * windows chain.
+/* The window manager's parent struct WinMeta contains the virtual screen,
+ * relates it to the terminal screen and anchors the chain of visible windows.
*/
struct WinMeta
{
/* members supposed to be used ONLY INTERNALLY */
- WINDOW * _screen; /* terminal screen */
- struct Win * _chain_start; /* if first Win, ._prev to point to 0 */
- struct Win * _chain_end; /* if last Win, ._next to point to 0 */
+ WINDOW * _screen; /* ncurses' pointer to the terminal screen */
+ struct Win * _chain_start; /* first Win in chain; its _prev == 0 */
+ struct Win * _chain_end; /* last Win in chain; its _next == 0 */
/* members to be available EXTERNALLY */
uint16_t pad_offset; /* number of cells view is moved to the right */
-/* Initialize empty WinMeta "wmeta" on the terminal "screen". Note that
- * emptiness is marked by WinMeta.chain_start=0. Other struct values are also
- * initialized 0, except for the virtual screen (terminal screen height, width =
- * 1) and its terminal-sized frame.
+/* Initialize empty WinMeta "wmeta" on the terminal "screen". (Note that
+ * emptiness is marked by WinMeta.chain_start=0.) Other struct members are also
+ * initialized 0, except for the virtual screen (height = that of the terminal
+ * screen; width = 1) amd its frame sized to the size of the terminal screen.
*/
extern uint8_t init_win_meta(WINDOW * screen, struct WinMeta * wmeta);