diff options
Diffstat (limited to 'src/ui-hlp/messg.c')
| -rw-r--r-- | src/ui-hlp/messg.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/ui-hlp/messg.c b/src/ui-hlp/messg.c new file mode 100644 index 0000000..2a66fe2 --- /dev/null +++ b/src/ui-hlp/messg.c @@ -0,0 +1,145 @@ +#ifdef _plan9_ +#include <u.h> +#include <libc.h> +#else +#include <stdlib.h> +#include <string.h> +#endif +#include <filter.h> +#include <fractal.h> +#include <timers.h> +#include <ui_helper.h> +#include <xerror.h> +#include <misc-f.h> +#include "grlib.h" +#define EXPIRETIME 4000000 +static void +getpos(uih_context * c, int *x, int *y, int *w, int *h, void *data) +{ + int n = (int) data; + if (c->messg.message[n] != NULL) { + int he = xtextheight(c->font); + *y = c->messg.messagestart + he * n; + *h = he; + *w = xtextwidth(c->font, c->messg.message[n]); + *x = (c->image->width - *w) / 2; + } else { + *w = *h = *x = *y = 0; + } +} + +static void draw(uih_context * c, void *data) +{ + int x, y, w; + int n = (int) data; + if (c->messg.message[n] != NULL) { + int h = xtextheight(c->font); + y = c->messg.messagestart + h * n; + w = xtextwidth(c->font, c->messg.message[n]); + x = (c->image->width - w) / 2; + if (c->messg.messagetype[n]) + xprint(c->image, c->font, x, y, c->messg.message[n], + (c->image->flags & AAIMAGE) ? BGCOLOR(c) : SELCOLOR(c), + BGCOLOR(c), 0); + else + xprint(c->image, c->font, x, y, c->messg.message[n], + (c->image->flags & AAIMAGE) ? BGCOLOR(c) : FGCOLOR(c), + BGCOLOR(c), 0); + } +} + +void uih_rmmessage(uih_context * c, int pid) +{ + int i; + for (i = 0; i < NMESSAGES && c->messg.pid[i] != pid; i++); + if (i == NMESSAGES) + return; + if (c->messg.message[i] == NULL) + return; + free(c->messg.message[i]); + tl_remove_timer(c->messg.messagetimer[i]); + tl_free_timer(c->messg.messagetimer[i]); + c->messg.message[i] = NULL; + for (; i < NMESSAGES - 1; i++) { + c->messg.message[i] = c->messg.message[i + 1]; + c->messg.messagetimer[i] = c->messg.messagetimer[i + 1]; + c->messg.messagetype[i] = c->messg.messagetype[i + 1]; + c->messg.pid[i] = c->messg.pid[i + 1]; + } + c->messg.message[NMESSAGES - 1] = NULL; + c->display = 1; +} + +void uih_scrollup(uih_context * c) +{ + uih_rmmessage(c, c->messg.pid[0]); +} + +void uih_clearmessages(uih_context * c) +{ + while (c->messg.message[0] != NULL) + uih_scrollup(c); +} + +void uih_initmessages(uih_context * c) +{ + int i; + for (i = 0; i < NMESSAGES; i++) { + c->messg.message[i] = NULL; + c->messg.w[i] = uih_registerw(c, getpos, draw, (void *) i, 0); + } + c->messg.messagestart = 0; +} + +void uih_destroymessages(uih_context * c) +{ + int i; + uih_clearmessages(c); + for (i = 0; i < NMESSAGES; i++) + uih_removew(c, c->messg.w[i]); +} + +static int uih_message1(uih_context * c, CONST char *message, int type) +{ + static int pid; + int i; + for (i = 0; i < NMESSAGES && c->messg.message[i] != NULL; i++); + if (i == NMESSAGES) + uih_scrollup(c), i--; + c->messg.message[i] = mystrdup(message); + c->messg.messagetype[i] = type; + c->messg.messagetimer[i] = tl_create_timer(); + tl_reset_timer(c->messg.messagetimer[i]); + tl_set_interval(c->messg.messagetimer[i], 1);; + tl_slowdown_timer(c->messg.messagetimer[i], EXPIRETIME);; + tl_set_handler(c->messg.messagetimer[i], + (void (*)(void *)) uih_scrollup, c); + tl_add_timer(syncgroup, c->messg.messagetimer[i]); + /*tl_remove_timer (c->messg.messagetimer[i]); */ + c->messg.pid[i] = ++pid; + c->display = 1; + return (pid); +} + +int uih_message(uih_context * c, CONST char *message) +{ + if (c->inhibittextoutput) + return 0; + + return (uih_message1(c, message, 0)); +} + +int uih_error(uih_context * c, CONST char *error) +{ + char str[256]; + sprintf(str, "Error: %s", error); + c->errstring = error; + return (uih_message1(c, str, 1)); +} + +void uih_printmessages(uih_context * c) +{ + int i; + for (i = 0; i < NMESSAGES && c->messg.message[i] != NULL; i++) + x_message(c->messg.message[i], stderr); +} |