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Re: PATCH: curses tweaks, maybe
- X-seq: zsh-workers 23989
- From: Clint Adams <clint@xxxxxxx>
- To: Peter Stephenson <pws@xxxxxxx>
- Subject: Re: PATCH: curses tweaks, maybe
- Date: Thu, 18 Oct 2007 16:40:16 -0400
- Cc: Zsh Hackers' List <zsh-workers@xxxxxxxxxx>
- In-reply-to: <200710171539.l9HFdKWC025510@xxxxxxxxxxxxxx>
- Mail-followup-to: Peter Stephenson <pws@xxxxxxx>, Zsh Hackers' List <zsh-workers@xxxxxxxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
- References: <20071016094040.4a48a750@news01> <20071017032955.GA25480@xxxxxxxxxxx> <20071017095724.44acafe1@news01> <200710170914.l9H9Eihs021321@xxxxxxxxxxxxxx> <071017075713.ZM30525@xxxxxxxxxxxxxxxxxxxxxx> <200710171505.l9HF5i6b025009@xxxxxxxxxxxxxx> <20071017152506.GA30012@xxxxxxxxxxx> <200710171539.l9HFdKWC025510@xxxxxxxxxxxxxx>
On Wed, Oct 17, 2007 at 04:39:19PM +0100, Peter Stephenson wrote:
> zcurses -C window black/red
I don't know why this doesn't work; perhaps another man page I'm
misreading.
Index: Src/Modules/curses.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/Modules/curses.c,v
retrieving revision 1.11
diff -u -r1.11 curses.c
--- Src/Modules/curses.c 18 Oct 2007 08:29:34 -0000 1.11
+++ Src/Modules/curses.c 18 Oct 2007 20:16:02 -0000
@@ -49,7 +49,7 @@
char *name;
} *ZCWin;
-struct zcurses_attribute {
+struct zcurses_namenumberpair {
char *name;
int number;
};
@@ -58,6 +58,7 @@
static struct ttyinfo saved_tty_state;
static struct ttyinfo curses_tty_state;
static LinkList zcurses_windows;
+static HashTable zcurses_colorpairs;
#define ZCURSES_ERANGE 1
#define ZCURSES_EDEFINED 2
@@ -69,7 +70,7 @@
#define ZCURSES_ATTRON 1
#define ZCURSES_ATTROFF 2
-static int zc_errno;
+static int zc_errno, zc_color_phase=0, next_cp=0;
static const char *
zcurses_strerror(int err)
@@ -139,9 +140,9 @@
static int
zcurses_attribute(WINDOW *w, char *attr, int op)
{
- struct zcurses_attribute *zca;
+ struct zcurses_namenumberpair *zca;
- static const struct zcurses_attribute zcurses_attributes[] = {
+ static const struct zcurses_namenumberpair zcurses_attributes[] = {
{"blink", A_BLINK},
{"bold", A_BOLD},
{"dim", A_DIM},
@@ -154,7 +155,7 @@
if (!attr)
return 1;
- for(zca=(struct zcurses_attribute *)zcurses_attributes;zca->name;zca++)
+ for(zca=(struct zcurses_namenumberpair *)zcurses_attributes;zca->name;zca++)
if (!strcmp(attr, zca->name)) {
switch(op) {
case ZCURSES_ATTRON:
@@ -171,6 +172,85 @@
return 1;
}
+static int
+zcurses_color(char *color)
+{
+ struct zcurses_namenumberpair *zc;
+
+ static const struct zcurses_namenumberpair zcurses_colors[] = {
+ {"black", COLOR_BLACK},
+ {"red", COLOR_RED},
+ {"green", COLOR_GREEN},
+ {"yellow", COLOR_YELLOW},
+ {"blue", COLOR_BLUE},
+ {"magenta", COLOR_MAGENTA},
+ {"cyan", COLOR_CYAN},
+ {"white", COLOR_WHITE},
+ {NULL, 0}
+ };
+
+ for(zc=(struct zcurses_namenumberpair *)zcurses_colors;zc->name;zc++)
+ if (!strcmp(color, zc->name)) {
+ return zc->number;
+ }
+
+ return -1;
+}
+
+static int
+zcurses_colorset(WINDOW *w, char *colorpair)
+{
+ char *fg, *bg, *cp;
+ int *c, f, b;
+
+ if (zc_color_phase==1 || !(c = (int *) gethashnode(zcurses_colorpairs, colorpair))) {
+ zc_color_phase = 2;
+ cp = ztrdup(colorpair);
+ fg = strtok(cp, "/");
+ bg = strtok(NULL, "/");
+
+ if (bg==NULL) {
+ zsfree(cp);
+ return 1;
+ }
+
+ f = zcurses_color(fg);
+ b = zcurses_color(bg);
+
+ zsfree(cp);
+
+ if (f==-1 || b==-1)
+ return 1;
+
+ ++next_cp;
+ if (next_cp >= COLOR_PAIRS)
+ return 1;
+
+ if (init_pair(next_cp, f, b) == ERR)
+ return 1;
+
+ c = (int *)zalloc(sizeof(int *));
+
+ if(!c)
+ return 1;
+
+ *c = next_cp;
+ addhashnode(zcurses_colorpairs, colorpair, (void *)c);
+ }
+
+ fprintf(stderr, "%d\n", *c);
+
+ return (wcolor_set(w, *c, NULL) == ERR);
+}
+
+static void
+freecolornode(HashNode hn)
+{
+ int *i = (int *) hn;
+
+ zfree(i, sizeof(int));
+}
+
/**/
static int
bin_zcurses(char *nam, char **args, Options ops, UNUSED(int func))
@@ -180,6 +260,25 @@
if (!win_zero) {
gettyinfo(&saved_tty_state);
win_zero = initscr();
+ if (start_color() != ERR) {
+ if(!zc_color_phase)
+ zc_color_phase = 1;
+ zcurses_colorpairs = newhashtable(8, "zc_colorpairs", NULL);
+
+ zcurses_colorpairs->hash = hasher;
+ zcurses_colorpairs->emptytable = emptyhashtable;
+ zcurses_colorpairs->filltable = NULL;
+ zcurses_colorpairs->cmpnodes = strcmp;
+ zcurses_colorpairs->addnode = addhashnode;
+ zcurses_colorpairs->getnode = gethashnode2;
+ zcurses_colorpairs->getnode2 = gethashnode2;
+ zcurses_colorpairs->removenode = removehashnode;
+ zcurses_colorpairs->disablenode = NULL;
+ zcurses_colorpairs->enablenode = NULL;
+ zcurses_colorpairs->freenode = freecolornode;
+ zcurses_colorpairs->printnode = NULL;
+
+ }
gettyinfo(&curses_tty_state);
} else {
settyinfo(&curses_tty_state);
@@ -427,6 +526,23 @@
}
return 0;
}
+ if (OPT_ISSET(ops,'C')) {
+ LinkNode node;
+ ZCWin w;
+
+ if (!args[0] || !args[1] || !zc_color_phase)
+ return 1;
+
+ node = zcurses_validate_window(args[0], ZCURSES_USED);
+ if (node == NULL) {
+ zwarnnam(nam, "%s: %s", zcurses_strerror(zc_errno), args[0], 0);
+ return 1;
+ }
+
+ w = (ZCWin)getdata(node);
+
+ return zcurses_colorset(w->win, args[1]);
+ }
return 0;
}
@@ -436,7 +552,7 @@
*/
static struct builtin bintab[] = {
- BUILTIN("zcurses", 0, bin_zcurses, 0, 5, 0, "Aab:cd:eimrs", NULL),
+ BUILTIN("zcurses", 0, bin_zcurses, 0, 5, 0, "Aab:Ccd:eimrs", NULL),
};
static struct features module_features = {
@@ -483,6 +599,7 @@
cleanup_(Module m)
{
freelinklist(zcurses_windows, (FreeFunc) zcurses_free_window);
+ deletehashtable(zcurses_colorpairs);
return setfeatureenables(m, &module_features, NULL);
}
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