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some work on using drw.c done

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This commit is contained in:
Markus Teich 2015-04-09 19:23:31 +02:00
parent da9f788877
commit de1dc79944
2 changed files with 77 additions and 40 deletions
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2
config.def.h
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@ -1,7 +1,7 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
/* The three fields set to 0 have to stay that way for a scalable font */ /* The three fields set to 0 have to stay that way for a scalable font */
static char font[] = "-*-dejavu sans condensed-bold-r-*-*-0-0-*-*-*-0-*-*"; static char *font = "-*-dejavu sans condensed-bold-r-*-*-0-0-*-*-*-0-*-*";
#define NUMFONTS 30 #define NUMFONTS 30
#define FONTSZ(x) ((int)(100.0 * powf(1.1288, (x)))) /* x in [0, NUMFONTS-1] */ #define FONTSZ(x) ((int)(100.0 * powf(1.1288, (x)))) /* x in [0, NUMFONTS-1] */

115
sent.c
View File

@ -22,6 +22,7 @@ char *argv0;
/* macros */ /* macros */
#define LEN(a) (sizeof(a) / sizeof(a)[0]) #define LEN(a) (sizeof(a) / sizeof(a)[0])
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define MAXFONTSTRLEN 128
typedef enum { typedef enum {
NONE = 0, NONE = 0,
@ -95,6 +96,7 @@ static XFontStruct *xloadqueryscalablefont(char *name, int size);
static struct DC *getfontsize(char *str, size_t len, int *width, int *height); static struct DC *getfontsize(char *str, size_t len, int *width, int *height);
static void cleanup(struct DC *cur); static void cleanup(struct DC *cur);
static void eprintf(const char *, ...); static void eprintf(const char *, ...);
static void die(const char *, ...);
static void load(FILE *fp); static void load(FILE *fp);
static void advance(const Arg *arg); static void advance(const Arg *arg);
static void quit(const Arg *arg); static void quit(const Arg *arg);
@ -124,7 +126,6 @@ static struct DC dc;
static Drw *d = NULL; static Drw *d = NULL;
static ClrScheme sc; static ClrScheme sc;
static int running = 1; static int running = 1;
static char *opt_font = NULL;
static void (*handler[LASTEvent])(XEvent *) = { static void (*handler[LASTEvent])(XEvent *) = {
[ButtonPress] = bpress, [ButtonPress] = bpress,
@ -311,7 +312,7 @@ void pngdraw(struct image *img)
{ {
int xoffset = (xw.w - img->ximg->width) / 2; int xoffset = (xw.w - img->ximg->width) / 2;
int yoffset = (xw.h - img->ximg->height) / 2; int yoffset = (xw.h - img->ximg->height) / 2;
XPutImage(xw.dpy, xw.win, dc.gc, img->ximg, 0, 0, XPutImage(xw.dpy, xw.win, d->gc, img->ximg, 0, 0,
xoffset, yoffset, img->ximg->width, img->ximg->height); xoffset, yoffset, img->ximg->width, img->ximg->height);
XFlush(xw.dpy); XFlush(xw.dpy);
img->state |= DRAWN; img->state |= DRAWN;
@ -401,8 +402,8 @@ struct DC *getfontsize(char *str, size_t len, int *width, int *height)
void cleanup(struct DC *cur) void cleanup(struct DC *cur)
{ {
XFreeFont(xw.dpy, cur->font); // XFreeFont(xw.dpy, cur->font);
XFreeGC(xw.dpy, cur->gc); // XFreeGC(xw.dpy, cur->gc);
if (cur->next) { if (cur->next) {
cleanup(cur->next); cleanup(cur->next);
@ -427,6 +428,23 @@ void cleanup(struct DC *cur)
} }
} }
void die(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if (fmt[0] != '\0' && fmt[strlen(fmt)-1] == ':') {
fputc(' ', stderr);
perror(NULL);
} else {
fputc('\n', stderr);
}
exit(1);
}
void eprintf(const char *fmt, ...) void eprintf(const char *fmt, ...)
{ {
va_list ap; va_list ap;
@ -441,7 +459,6 @@ void eprintf(const char *fmt, ...)
} else { } else {
fputc('\n', stderr); fputc('\n', stderr);
} }
exit(EXIT_FAILURE);
} }
void load(FILE *fp) void load(FILE *fp)
@ -529,9 +546,9 @@ void usage()
void xdraw() void xdraw()
{ {
int line_len = strlen(slides[idx].text); int line_len = strlen(slides[idx].text);
int height; // int height;
int width; // int width;
struct DC *dc = getfontsize(slides[idx].text, line_len, &width, &height); // struct DC *dc = getfontsize(slides[idx].text, line_len, &width, &height);
struct image *im = slides[idx].img; struct image *im = slides[idx].img;
XClearWindow(xw.dpy, xw.win); XClearWindow(xw.dpy, xw.win);
@ -539,7 +556,7 @@ void xdraw()
if (!im) { if (!im) {
// XDrawString(xw.dpy, xw.win, dc->gc, (xw.w - width)/2, (xw.h + height)/2, // XDrawString(xw.dpy, xw.win, dc->gc, (xw.w - width)/2, (xw.h + height)/2,
// slides[idx].text, line_len); // slides[idx].text, line_len);
drw_text(d, (xw.w - width)/2, (xw.h + height)/2, 100, 20, slides[idx].text, line_len); drw_text(d, xw.w/2, xw.h/2, 1000, 200, slides[idx].text, 0);
drw_map(d, xw.win, 0, 0, xw.w, xw.h); drw_map(d, xw.win, 0, 0, xw.w, xw.h);
} else if (!(im->state & LOADED) && !pngread(im)) } else if (!(im->state & LOADED) && !pngread(im))
eprintf("could not read image %s", slides[idx].text + 1); eprintf("could not read image %s", slides[idx].text + 1);
@ -597,7 +614,7 @@ void xinit()
sc.fg = drw_clr_create(d, "#000000"); sc.fg = drw_clr_create(d, "#000000");
drw_setscheme(d, &sc); drw_setscheme(d, &sc);
xloadfonts(opt_font ? opt_font : font); xloadfonts(font);
XStringListToTextProperty(&argv0, 1, &prop); XStringListToTextProperty(&argv0, 1, &prop);
XSetWMName(xw.dpy, xw.win, &prop); XSetWMName(xw.dpy, xw.win, &prop);
@ -615,41 +632,61 @@ void xloadfonts(char *fontstr)
XFontStruct *fnt; XFontStruct *fnt;
XGCValues gcvalues; XGCValues gcvalues;
struct DC *cur = &dc; struct DC *cur = &dc;
char **fstr = XListFonts(xw.dpy, fontstr, 42, &count); // char **fstr = XListFonts(xw.dpy, fontstr, 42, &count);
char *fstrs;
const char **fonts;
while (count-- && !xfontisscalable(fstr[count])) if (!(fstrs = malloc(NUMFONTS * MAXFONTSTRLEN)))
; /* nothing, just get first scalable font result */ die("could not malloc fontstrings");
if (!(fonts = malloc(NUMFONTS * sizeof(char*)))) {
free(fstrs);
die("could not malloc fontarray");
}
if (count < 0) /* const char *fonts[] = {
eprintf("sent: could not find a scalable font matching %s", fontstr); "Sans:size=80:size=10.5",
memset(&gcvalues, 0, sizeof(gcvalues));
const char *fonts[] = {
"Sans:size=10.5",
"VL Gothic:size=10.5", "VL Gothic:size=10.5",
"WenQuanYi Micro Hei:size=10.5", "WenQuanYi Micro Hei:size=10.5",
}; }; */
drw_load_fonts(d, fonts, LEN(fonts)); // drw_load_fonts(d, fonts, LEN(fonts));
do { for (i = 0; i < NUMFONTS; i++) {
if (!(fnt = xloadqueryscalablefont(fstr[count], FONTSZ(i)))) { snprintf(&fstrs[i*MAXFONTSTRLEN], MAXFONTSTRLEN, "%s:size=%d", fontstr, FONTSZ(i));
i++; puts(&fstrs[i*MAXFONTSTRLEN]);
continue; fonts[i] = &fstrs[i*MAXFONTSTRLEN];
} }
cur->gc = XCreateGC(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, &gcvalues); drw_load_fonts(d, fonts, NUMFONTS);
cur->font = fnt;
XSetFont(xw.dpy, cur->gc, fnt->fid);
XSetForeground(xw.dpy, cur->gc, BlackPixel(xw.dpy, xw.scr));
cur->next = (++i < NUMFONTS) ? malloc(sizeof(struct DC)) : NULL;
cur = cur->next;
} while (cur && i < NUMFONTS);
if (cur == &dc) free(fstrs);
eprintf("sent: could not load fonts."); free(fonts);
XFreeFontNames(fstr); // while (count-- && !xfontisscalable(fstr[count]))
// ; /* nothing, just get first scalable font result */
//
// if (count < 0)
// eprintf("sent: could not find a scalable font matching %s", fontstr);
//
// memset(&gcvalues, 0, sizeof(gcvalues));
//
// do {
// if (!(fnt = xloadqueryscalablefont(fstr[count], FONTSZ(i)))) {
// i++;
// continue;
// }
//
// cur->gc = XCreateGC(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, &gcvalues);
// cur->font = fnt;
// XSetFont(xw.dpy, cur->gc, fnt->fid);
// XSetForeground(xw.dpy, cur->gc, BlackPixel(xw.dpy, xw.scr));
// cur->next = (++i < NUMFONTS) ? malloc(sizeof(struct DC)) : NULL;
// cur = cur->next;
// } while (cur && i < NUMFONTS);
//
// if (cur == &dc)
// eprintf("sent: could not load fonts.");
//
// XFreeFontNames(fstr);
} }
void bpress(XEvent *e) void bpress(XEvent *e)
@ -700,7 +737,7 @@ int main(int argc, char *argv[])
ARGBEGIN { ARGBEGIN {
case 'f': case 'f':
opt_font = EARGF(usage()); font = EARGF(usage());
break; break;
case 'v': case 'v':
default: default:
@ -712,7 +749,7 @@ int main(int argc, char *argv[])
load(fp); load(fp);
fclose(fp); fclose(fp);
} else { } else {
eprintf("could not open file %s for reading:", argv[i]); eprintf("could not open %s for reading:", argv[i]);
} }
} }