diff options
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 91 |
1 files changed, 87 insertions, 4 deletions
@@ -41,6 +41,18 @@ -- For 0.5 -------------------------------------------------------------------- +XXX +screen contains grid + +screen_write <-- write to TTY and to screen using close-to-ANSI functions +screen_redraw <-- write areas of screen to TTY +grid_view <-- write to viewable area of grid +grid <-- manipulate grid and history + +XXX +grid_view has ox,oy +XXX + - FINISH UTF8: fix copy and paste - SPLIT u_short attr into attr,flags? - maybe rethink backend data structure? @@ -54,6 +66,16 @@ - write to ttys without updating screen --- +NEED to be able to: + resize screen + apply ops to both screen and tty simultaneously + both when parsing input and when eg scrolling history + draw on the top of the screen without modifying it + display arbitrary parts of the history + redraw arbitrary parts of the visible screen +--- +NEVER need to draw into the history + split off grid manip: 16-bit characters 8-bit flags @@ -62,9 +84,14 @@ split off grid manip: 8-bit bg colour struct grid_data { - struct grid_cell **cells; - u_int sx; - u_int sy; + struct grid_cell **data; + int *sizes; + + int sx; + int sy; + + int hsize; + int hlimit; }; struct grid_cell { u_short data; @@ -72,7 +99,63 @@ struct grid_cell { u_char flags; u_char fg; u_char bg; -} +}; +const struct grid_default_cell = { 0x20, 0, 0, 8, 8 }; + +; grid logically split from +; -hlimit to 0 and 0 to sy + +; ALWAYS fill with default + +const struct grid_cell *grid_get(int x, int y); +void grid_set(int x, int y, const struct grid_cell *cell); + +void grid_resize() +void grid_shift() /* shift lines into history */ + +struct grid_view { + int ox; + int oy; + + int sx; + int sy; + + struct grid_data *gdata; + struct grid_view *parent; +}; + +struct grid_cell *grid_view_get_cell(int x, int y) +void grid_view_set_cell(int x, int y, const struct grid_cell *cell); + +int grid_view_absolute_x(int x); +int grid_view_absolute_y(int y); + +int grid_view_relative_x(int x); +int grid_view_relative_y(int y); + +void grid_view_delete_lines(int y, int ny) +void grid_view_insert_lines(int y, int ny) +void grid_view_clear_lines(int y, int ny) +void grid_view_fill_lines(int y, int ny, const struct grid_cell *cell) + +void grid_view_delete_cells(int x, int y, int nx) +void grid_view_insert_cells(int x, int y, int nx) +void grid_view_clear_cells(int x, int y, int nx) +void grid_view_fill_cells(int x, int nx, const struct grid_cell *cell) + +void grid_view_clear_area(int x, int y, int nx, int ny) +void grid_view_fill_area(int x, int y, int nx, int ny, const struct grid_cell *cell) + +--- + +screen has two (both grid_view): + base and overlay + +--- +screen_write writes into overlay if it exists and then base, also optionally to tty +screen_draw draws overlay + base to display +--- + --- Would it be better to just expand char to 16-bits and use it as an index only |