diff options
Diffstat (limited to 'src/ui-hlp/playtext.c')
| -rw-r--r-- | src/ui-hlp/playtext.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/ui-hlp/playtext.c b/src/ui-hlp/playtext.c new file mode 100644 index 0000000..270134e --- /dev/null +++ b/src/ui-hlp/playtext.c @@ -0,0 +1,174 @@ +#ifndef _plan9_ +#include <stdlib.h> +#else +#include <u.h> +#include <libc.h> +#endif +#include <fconfig.h> +#include <filter.h> +#include <fractal.h> +#include <ui_helper.h> +#include <xerror.h> +#include <grlib.h> + +static inline void +prepare(struct uih_context *c, char *string, int *xmax, int *nr) +{ + int xm = 0; + int n = 1; + int pos = 0; + int tmp; + while (1) { + tmp = 0; + while (*string != '\n') { + if (*string == 0) { + tmp++; + if (tmp > xm) + xm = tmp; + *xmax = xm; + *nr = n; + return; + } else + tmp += xtextcharw(c->font, *string); + if (pos > 255) + break; + string++; + pos++; + } + tmp++; + if (tmp > xm) + xm = tmp; + n++; + if (n > 30) { + n = 30; + *xmax = tmp; + *nr = n; + return; + } + pos = 0; + string++; + } +} + +static void +getpos(uih_context * c, int *x, int *y, int *w, int *h, void *data) +{ + int num = (int) data; + int xmax, nr; + if (c->text[num] == NULL) { + *x = *y = *h = *w; + return; + } + prepare(c, c->text[num], &xmax, &nr); + nr *= xtextheight(c->font); + switch (num) { + case 0: + *y = 0; + break; + case 1: + *y = (c->image->height - nr) / 2; + break; + case 2: + *y = c->image->height - nr; + break; + } + *h = nr; + switch (c->textpos[num]) { + case 0: + *x = 0; + break; + case 1: + *x = (c->image->width - xmax) / 2; + break; + case 2: + *x = c->image->width - xmax; + break; + } + *w = xmax; +} + +static void draw(uih_context * c, void *data) +{ + int num = (int) data; + int flags = 0; + int xmax, n, nr, i; + int x = 0, y = 0; + char *string; + int fgcolor = 0, bgcolor = 0; + if (c->text[num] == NULL) + return; + prepare(c, c->text[num], &xmax, &n); + nr = n * xtextheight(c->font); + switch (c->textcolor[num]) { + case 0: + fgcolor = FGCOLOR(c); + bgcolor = BGCOLOR(c); + break; + case 1: + fgcolor = BGCOLOR(c); + bgcolor = BGCOLOR(c); + flags = TEXT_PRESSED; + break; + case 2: + fgcolor = SELCOLOR(c); + bgcolor = BGCOLOR(c); + break; + default: + x_fatalerror("playtext:unknown color\n"); + } + if (c->image->flags & AAIMAGE) + fgcolor = BGCOLOR(c); + switch (num) { + case 0: + y = 0; + break; + case 1: + y = (c->image->height - nr) / 2; + break; + case 2: + y = c->image->height - nr; + break; + } + string = c->text[num]; + for (i = 0; i < n; i++) { + xmax = xtextwidth(c->font, string); + switch (c->textpos[num]) { + case 0: + x = 0; + break; + case 1: + x = (c->image->width - xmax) / 2; + break; + case 2: + x = c->image->width - xmax; + break; + } + string += + xprint(c->image, c->font, x, y, string, + fgcolor, bgcolor, + flags) + 1; + y += xtextheight(c->font); + } +} + +void uih_inittext(uih_context * c) +{ + c->text[0] = c->text[1] = c->text[2] = NULL; + c->textpos[0] = c->textpos[1] = c->textpos[2] = 0; + c->textwindow[0] = uih_registerw(c, getpos, draw, (void *) 0, 0); + c->textwindow[1] = uih_registerw(c, getpos, draw, (void *) 1, 0); + c->textwindow[2] = uih_registerw(c, getpos, draw, (void *) 2, 0); +} + +void uih_destroytext(uih_context * c) +{ + if (c->text[0] != NULL) + free(c->text[0]), c->text[0] = NULL; + if (c->text[1] != NULL) + free(c->text[1]), c->text[1] = NULL; + if (c->text[2] != NULL) + free(c->text[2]), c->text[2] = NULL; + uih_removew(c, c->textwindow[0]); + uih_removew(c, c->textwindow[1]); + uih_removew(c, c->textwindow[2]); +} |