X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;f=src%2Fwindows.h;h=d894fd28e5178f15ce6c42aea82ffb215ddda341;hb=9b4365470d74903c6c5e78a964cf11cd64e5f839;hp=9afc50fee82cce756eb5c7a95f129566a9b959f1;hpb=c681a0fed768dfff7af1084dedeec25ab8a421fa;p=plomrogue diff --git a/src/windows.h b/src/windows.h index 9afc50f..d894fd2 100644 --- a/src/windows.h +++ b/src/windows.h @@ -38,42 +38,48 @@ #include "yx_uint16.h" /* for yx_uint16 coordinates */ -/* Individual windows consist of potential (real if window is visible) ncurses - * WINDOWs wrapped inside Frame structs (that keep a window's designated size - * even when it is invisible) wrapped inside metadata-rich Win structs. Win - * structs are chained into a linked list of all the windows visible on the - * virtual screen and also contain pointers to what content is to be drawn - * inside the window, and by use of what method. + +/* Individual windows consist of potential (real only if window is visible + * inside the virtual screen) ncurses WINDOWs wrapped inside Frame structs (that + * keep a window's designated size even when it is invisible) wrapped inside + * metadata-rich Win structs. Win structs are chained into a linked list of all + * the windows visible on the virtual screen and also contain pointers to what + * content is to be drawn inside the window, and by use of what method. */ -struct Frame -{ - WINDOW * curses_win; - struct yx_uint16 size; /* the size curses_win fits into; for the virtual */ -}; /* screen padframe: the terminal screen size */ +struct Frame /* If Frame is Win's "frame", "size" is the */ +{ /* designated size of curses_win's ncurses WINDOW. */ + WINDOW * curses_win; /* If Frame is WinMeta's "padframe", curses_win is */ + struct yx_uint16 size; /* the ncurses pad representing the virtual screen */ +}; /* and "size" desribes the terminal screen size. */ struct Win { - struct Win * _prev; /* INTERNAL */ /* _prev == _next == 0 if */ - struct Win * _next; /* INTERNAL */ /* Win is outside the chain */ - struct yx_uint16 _start; /* INTERNAL: upper left corner of WINDOW */ - char * _title; /* INTERNAL: title for window title bar */ - void (* _draw) (struct Win *); /* INTERNAL: how to draw window content */ + /* 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 "frame" WINDOW */ + char * _title; /* title to be used in window title bar */ + void (* _draw) (struct Win *); /* how to draw window content ("data") */ + + /* members to be available EXTERNALLY */ struct Frame frame; void * data; /* window content to be drawn by _draw() */ }; -/* 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 { - WINDOW * _screen; /* INTERNAL: terminal screen */ - struct Win * _chain_start; /* INTERNAL: first Win, ._prev to point to 0 */ - struct Win * _chain_end; /* INTERNAL: last Win, ._next to point to 0 */ + /* members supposed to be used ONLY INTERNALLY */ + 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 */ struct Frame padframe; /* virtual screen fitted into terminal screen */ struct Win * active; /* Win highlighted/selected for manipulation */