kolibrios/contrib/media/updf/apps/x11_main.c

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C
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#include "fitz.h"
#include "mupdf.h"
#include "muxps.h"
#include "pdfapp.h"
#include <menuet/os.h>
// #include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#ifndef timeradd
#define timeradd(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \
if ((result)->tv_usec >= 1000000) \
{ \
++(result)->tv_sec; \
(result)->tv_usec -= 1000000; \
} \
} while (0)
#endif
#ifndef timersub
#define timersub(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#endif
extern int ximage_init(Display *display, int screen, Visual *visual);
extern int ximage_get_depth(void);
extern Visual *ximage_get_visual(void);
extern Colormap ximage_get_colormap(void);
extern void ximage_blit(Drawable d, GC gc, int dstx, int dsty,
unsigned char *srcdata,
int srcx, int srcy, int srcw, int srch, int srcstride);
static Display *xdpy;
static Atom XA_TARGETS;
static Atom XA_TIMESTAMP;
static Atom XA_UTF8_STRING;
static Atom WM_DELETE_WINDOW;
static int x11fd;
static int xscr;
static Window xwin;
static Pixmap xicon, xmask;
static GC xgc;
static XEvent xevt;
static int mapped = 0;
static Cursor xcarrow, xchand, xcwait;
static int justcopied = 0;
static int dirty = 0;
static int dirtysearch = 0;
static char *password = "";
static XColor xbgcolor;
static XColor xshcolor;
static int reqw = 0;
static int reqh = 0;
static char copylatin1[1024 * 16] = "";
static char copyutf8[1024 * 48] = "";
static Time copytime;
static char *filename;
static pdfapp_t gapp;
static int closing = 0;
static int reloading = 0;
/*
* Dialog boxes
*/
void winwarn(pdfapp_t *app, char *msg)
{
fprintf(stderr, "mupdf: %s\n", msg);
}
void winerror(pdfapp_t *app, fz_error error)
{
fz_catch(error, "aborting");
exit(1);
}
char *winpassword(pdfapp_t *app, char *filename)
{
char *r = password;
password = NULL;
return r;
}
/*
* X11 magic
*/
static void winopen(void)
{
/*
xwin = XCreateWindow(xdpy, DefaultRootWindow(xdpy),
10, 10, 200, 100, 1,
ximage_get_depth(),
InputOutput,
ximage_get_visual(),
0,
NULL); */
__menuet__define_window(10,10,200,200,
0,0,0);
}
void winclose(pdfapp_t *app)
{
closing = 1;
}
void wincursor(pdfapp_t *app, int curs)
{
}
void wintitle(pdfapp_t *app, char *s)
{
}
void winhelp(pdfapp_t *app)
{
}
void winresize(pdfapp_t *app, int w, int h)
{
}
static void fillrect(int x, int y, int w, int h)
{
if (w > 0 && h > 0)
XFillRectangle(xdpy, xwin, xgc, x, y, w, h);
}
static void winblitsearch(pdfapp_t *app)
{
if (gapp.isediting)
{
char buf[sizeof(gapp.search) + 50];
sprintf(buf, "Search: %s", gapp.search);
XSetForeground(xdpy, xgc, WhitePixel(xdpy, xscr));
fillrect(0, 0, gapp.winw, 30);
windrawstring(&gapp, 10, 20, buf);
}
}
static void winblit(pdfapp_t *app)
{
int x0 = gapp.panx;
int y0 = gapp.pany;
int x1 = gapp.panx + gapp.image->w;
int y1 = gapp.pany + gapp.image->h;
XSetForeground(xdpy, xgc, xbgcolor.pixel);
fillrect(0, 0, x0, gapp.winh);
fillrect(x1, 0, gapp.winw - x1, gapp.winh);
fillrect(0, 0, gapp.winw, y0);
fillrect(0, y1, gapp.winw, gapp.winh - y1);
XSetForeground(xdpy, xgc, xshcolor.pixel);
fillrect(x0+2, y1, gapp.image->w, 2);
fillrect(x1, y0+2, 2, gapp.image->h);
if (gapp.iscopying || justcopied)
{
pdfapp_invert(&gapp, gapp.selr);
justcopied = 1;
}
pdfapp_inverthit(&gapp);
if (gapp.image->n == 4)
ximage_blit(xwin, xgc,
x0, y0,
gapp.image->samples,
0, 0,
gapp.image->w,
gapp.image->h,
gapp.image->w * gapp.image->n);
else if (gapp.image->n == 2)
{
int i = gapp.image->w*gapp.image->h;
unsigned char *color = malloc(i*4);
if (color != NULL)
{
unsigned char *s = gapp.image->samples;
unsigned char *d = color;
for (; i > 0 ; i--)
{
d[2] = d[1] = d[0] = *s++;
d[3] = *s++;
d += 4;
}
ximage_blit(xwin, xgc,
x0, y0,
color,
0, 0,
gapp.image->w,
gapp.image->h,
gapp.image->w * 4);
free(color);
}
}
pdfapp_inverthit(&gapp);
if (gapp.iscopying || justcopied)
{
pdfapp_invert(&gapp, gapp.selr);
justcopied = 1;
}
winblitsearch(app);
}
void winrepaint(pdfapp_t *app)
{
dirty = 1;
}
void winrepaintsearch(pdfapp_t *app)
{
dirtysearch = 1;
}
void windrawstringxor(pdfapp_t *app, int x, int y, char *s)
{
int prevfunction;
XGCValues xgcv;
XGetGCValues(xdpy, xgc, GCFunction, &xgcv);
prevfunction = xgcv.function;
xgcv.function = GXxor;
XChangeGC(xdpy, xgc, GCFunction, &xgcv);
XSetForeground(xdpy, xgc, WhitePixel(xdpy, DefaultScreen(xdpy)));
XDrawString(xdpy, xwin, xgc, x, y, s, strlen(s));
XFlush(xdpy);
XGetGCValues(xdpy, xgc, GCFunction, &xgcv);
xgcv.function = prevfunction;
XChangeGC(xdpy, xgc, GCFunction, &xgcv);
printf("drawstring '%s'\n", s);
}
void windrawstring(pdfapp_t *app, int x, int y, char *s)
{
XSetForeground(xdpy, xgc, BlackPixel(xdpy, DefaultScreen(xdpy)));
XDrawString(xdpy, xwin, xgc, x, y, s, strlen(s));
}
void windocopy(pdfapp_t *app)
{
/* unsigned short copyucs2[16 * 1024];
char *latin1 = copylatin1;
char *utf8 = copyutf8;
unsigned short *ucs2;
int ucs;
pdfapp_oncopy(&gapp, copyucs2, 16 * 1024);
for (ucs2 = copyucs2; ucs2[0] != 0; ucs2++)
{
ucs = ucs2[0];
utf8 += runetochar(utf8, &ucs);
if (ucs < 256)
*latin1++ = ucs;
else
*latin1++ = '?';
}
*utf8 = 0;
*latin1 = 0;
XSetSelectionOwner(xdpy, XA_PRIMARY, xwin, copytime);
justcopied = 1;*/
}
void onselreq(Window requestor, Atom selection, Atom target, Atom property, Time time)
{
/* XEvent nevt;
if (property == None)
property = target;
nevt.xselection.type = SelectionNotify;
nevt.xselection.send_event = True;
nevt.xselection.display = xdpy;
nevt.xselection.requestor = requestor;
nevt.xselection.selection = selection;
nevt.xselection.target = target;
nevt.xselection.property = property;
nevt.xselection.time = time;
if (target == XA_TARGETS)
{
Atom atomlist[4];
atomlist[0] = XA_TARGETS;
atomlist[1] = XA_TIMESTAMP;
atomlist[2] = XA_STRING;
atomlist[3] = XA_UTF8_STRING;
printf(" -> targets\n");
XChangeProperty(xdpy, requestor, property, target,
32, PropModeReplace,
(unsigned char *)atomlist, sizeof(atomlist)/sizeof(Atom));
}
else if (target == XA_STRING)
{
XChangeProperty(xdpy, requestor, property, target,
8, PropModeReplace,
(unsigned char *)copylatin1, strlen(copylatin1));
}
else if (target == XA_UTF8_STRING)
{
XChangeProperty(xdpy, requestor, property, target,
8, PropModeReplace,
(unsigned char *)copyutf8, strlen(copyutf8));
}
else
{
nevt.xselection.property = None;
}
XSendEvent(xdpy, requestor, False, SelectionNotify, &nevt);
* */
}
void winreloadfile(pdfapp_t *app)
{
int fd;
pdfapp_close(app);
fd = open(filename, O_BINARY | O_RDONLY, 0666);
if (fd < 0)
winerror(app, fz_throw("cannot reload file '%s'", filename));
pdfapp_open(app, filename, fd, 1);
}
void winopenuri(pdfapp_t *app, char *buf)
{
/*
char *browser = getenv("BROWSER");
if (!browser)
browser = "open";
if (fork() == 0)
execlp(browser, browser, buf, (char*)0);
* */
}
static void onkey(int c)
{
/* if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
* */
pdfapp_onkey(&gapp, c);
}
static void onmouse(int x, int y, int btn, int modifiers, int state)
{
/* if (state != 0 && justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}*/
pdfapp_onmouse(&gapp, x, y, btn, modifiers, state);
}
static void signal_handler(int signal)
{
/*
if (signal == SIGHUP)
reloading = 1;
* */
}
static void usage(void)
{
fprintf(stderr, "usage: mupdf [options] file.pdf [page]\n");
fprintf(stderr, "\t-b -\tset anti-aliasing quality in bits (0=off, 8=best)\n");
fprintf(stderr, "\t-p -\tpassword\n");
fprintf(stderr, "\t-r -\tresolution\n");
fprintf(stderr, "\t-A\tdisable accelerated functions\n");
exit(1);
}
int main(int argc, char **argv)
{
int c;
int len;
char buf[128];
KeySym keysym;
int oldx = 0;
int oldy = 0;
int resolution = 72;
int pageno = 1;
int accelerate = 1;
int fd;
fd_set fds;
int width = -1;
int height = -1;
while ((c = fz_getopt(argc, argv, "p:r:b:A")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
case 'r': resolution = atoi(fz_optarg); break;
case 'A': accelerate = 0; break;
case 'b': fz_set_aa_level(atoi(fz_optarg)); break;
default: usage();
}
}
if (resolution < MINRES)
resolution = MINRES;
if (resolution > MAXRES)
resolution = MAXRES;
if (argc - fz_optind == 0)
usage();
filename = argv[fz_optind++];
if (argc - fz_optind == 1)
pageno = atoi(argv[fz_optind++]);
if (accelerate)
fz_accelerate();
winopen();
pdfapp_init(&gapp);
gapp.scrw = DisplayWidth(xdpy, xscr);
gapp.scrh = DisplayHeight(xdpy, xscr);
gapp.resolution = resolution;
gapp.pageno = pageno;
fd = open(filename, O_BINARY | O_RDONLY, 0666);
if (fd < 0)
winerror(&gapp, fz_throw("cannot open file '%s'", filename));
pdfapp_open(&gapp, filename, fd, 0);
FD_ZERO(&fds);
FD_SET(x11fd, &fds);
signal(SIGHUP, signal_handler);
while (!closing)
{
do
{
XNextEvent(xdpy, &xevt);
switch (xevt.type)
{
case Expose:
dirty = 1;
break;
case ConfigureNotify:
if (gapp.image)
{
if (xevt.xconfigure.width != reqw ||
xevt.xconfigure.height != reqh)
gapp.shrinkwrap = 0;
}
width = xevt.xconfigure.width;
height = xevt.xconfigure.height;
break;
case KeyPress:
len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, NULL);
if (!gapp.isediting)
switch (keysym)
{
case XK_Escape:
len = 1; buf[0] = '\033';
break;
case XK_Up:
len = 1; buf[0] = 'k';
break;
case XK_Down:
len = 1; buf[0] = 'j';
break;
case XK_Left:
len = 1; buf[0] = 'b';
break;
case XK_Right:
len = 1; buf[0] = ' ';
break;
case XK_Page_Up:
len = 1; buf[0] = ',';
break;
case XK_Page_Down:
len = 1; buf[0] = '.';
break;
}
if (len)
onkey(buf[0]);
onmouse(oldx, oldy, 0, 0, 0);
break;
case MotionNotify:
oldx = xevt.xbutton.x;
oldy = xevt.xbutton.y;
onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 0);
break;
case ButtonPress:
onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 1);
break;
case ButtonRelease:
copytime = xevt.xbutton.time;
onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, -1);
break;
case SelectionRequest:
onselreq(xevt.xselectionrequest.requestor,
xevt.xselectionrequest.selection,
xevt.xselectionrequest.target,
xevt.xselectionrequest.property,
xevt.xselectionrequest.time);
break;
case ClientMessage:
if (xevt.xclient.format == 32 && xevt.xclient.data.l[0] == WM_DELETE_WINDOW)
closing = 1;
break;
}
}
while (!closing && XPending(xdpy));
if (closing)
continue;
if (width != -1 || height != -1)
{
pdfapp_onresize(&gapp, width, height);
width = -1;
height = -1;
}
if (dirty || dirtysearch)
{
if (dirty)
winblit(&gapp);
else if (dirtysearch)
winblitsearch(&gapp);
dirty = 0;
dirtysearch = 0;
}
if (XPending(xdpy))
continue;
if (select(x11fd + 1, &fds, NULL, NULL, NULL) < 0)
{
if (reloading)
{
winreloadfile(&gapp);
reloading = 0;
}
}
}
pdfapp_close(&gapp);
XDestroyWindow(xdpy, xwin);
XFreePixmap(xdpy, xicon);
XFreeCursor(xdpy, xcwait);
XFreeCursor(xdpy, xchand);
XFreeCursor(xdpy, xcarrow);
XFreeGC(xdpy, xgc);
XCloseDisplay(xdpy);
return 0;
}