Mercurial > hg > xemacs-beta
changeset 5398:5256fedd50e6
issue 757 - tty device metric for num-color-cells
-------------------- ChangeLog entries follow: --------------------
src/ChangeLog addition:
2011-03-28 Jeff Sparkes <jsparkes@gmail.com>
* console-tty-impl.h (struct tty_console): Add field for number of
displayable colors.
* device-tty.c (tty_device_system_metrics): Return metrics for
num-color-cells and num-bit-planes. Tracker issue 757.
* device.c: There are two required args for device-system-metric.
* redisplay-tty.c (init_tty_for_redisplay): Retrieve number of
colors from terminal description. Default to 2 if none found.
author | Jeff Sparkes <jsparkes@gmail.com> |
---|---|
date | Mon, 28 Mar 2011 09:25:15 -0400 |
parents | d363790fd936 |
children | 5ec4534daf16 |
files | src/ChangeLog src/console-tty-impl.h src/device-tty.c src/device.c src/redisplay-tty.c |
diffstat | 5 files changed, 25 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/src/ChangeLog Wed Mar 23 00:08:35 2011 +0100 +++ b/src/ChangeLog Mon Mar 28 09:25:15 2011 -0400 @@ -1,3 +1,13 @@ +2011-03-28 Jeff Sparkes <jsparkes@gmail.com> + + * console-tty-impl.h (struct tty_console): Add field for number of + displayable colors. + * device-tty.c (tty_device_system_metrics): Return metrics for + num-color-cells and num-bit-planes. Tracker issue 757. + * device.c: There are two required args for device-system-metric. + * redisplay-tty.c (init_tty_for_redisplay): Retrieve number of + colors from terminal description. Default to 2 if none found. + 2011-03-20 Mats Lidell <matsl@xemacs.org> * alloca.c (find_stack_direction):
--- a/src/console-tty-impl.h Wed Mar 23 00:08:35 2011 +0100 +++ b/src/console-tty-impl.h Mon Mar 28 09:25:15 2011 -0400 @@ -63,6 +63,8 @@ int height; int width; + int colors; + /* The count of frame number. */ int frame_count;
--- a/src/device-tty.c Wed Mar 23 00:08:35 2011 +0100 +++ b/src/device-tty.c Mon Mar 28 09:25:15 2011 -0400 @@ -196,6 +196,10 @@ case DM_size_device: return Fcons (make_int (CONSOLE_TTY_DATA (con)->width), make_int (CONSOLE_TTY_DATA (con)->height)); + case DM_num_bit_planes: + return make_int (log2 (CONSOLE_TTY_DATA (con)->colors)); + case DM_num_color_cells: + return make_int (CONSOLE_TTY_DATA (con)->colors); default: /* No such device metric property for TTY devices */ return Qunbound; }
--- a/src/device.c Wed Mar 23 00:08:35 2011 +0100 +++ b/src/device.c Mon Mar 28 09:25:15 2011 -0400 @@ -1057,8 +1057,8 @@ return DEVICE_PRINTER_P (decode_device (device)) ? Qt : Qnil; } -DEFUN ("device-system-metric", Fdevice_system_metric, 1, 3, 0, /* -Get a metric for DEVICE as provided by the system. +DEFUN ("device-system-metric", Fdevice_system_metric, 2, 3, 0, /* +Get DEVICE METRIC as provided by the system. METRIC must be a symbol specifying requested metric. Note that the metrics returned are these provided by the system internally, not read from resources,
--- a/src/redisplay-tty.c Wed Mar 23 00:08:35 2011 +0100 +++ b/src/redisplay-tty.c Mon Mar 28 09:25:15 2011 -0400 @@ -1116,6 +1116,13 @@ if (CONSOLE_TTY_DATA (c)->width <= 0 || CONSOLE_TTY_DATA (c)->height <= 0) return TTY_SIZE_UNSPECIFIED; + CONSOLE_TTY_DATA (c)->colors = tgetnum("Co"); + if (CONSOLE_TTY_DATA (c)->colors == 0) + CONSOLE_TTY_DATA (c)->colors = tgetnum("colors"); + if (CONSOLE_TTY_DATA (c)->colors == 0) + /* There is always foreground and background. */ + CONSOLE_TTY_DATA (c)->colors = 2; + /* * Initialize cursor motion information. */