LRESULT CALLBACK
viewproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static int oldx = 0;
static int oldy = 0;
int x = (signed short) LOWORD(lParam);
int y = (signed short) HIWORD(lParam);
switch (message)
{
case WM_SIZE:
if (wParam == SIZE_MINIMIZED)
return 0;
if (wParam == SIZE_MAXIMIZED)
gapp.shrinkwrap = 0;
pdfapp_onresize(&gapp, LOWORD(lParam), HIWORD(lParam));
break;
/* Paint events are low priority and automagically catenated
* so we don't need to do any fancy waiting to defer repainting.
*/
case WM_PAINT:
{
//puts("WM_PAINT");
PAINTSTRUCT ps;
hdc = BeginPaint(hwnd, &ps);
winblit();
hdc = NULL;
EndPaint(hwnd, &ps);
pdfapp_postblit(&gapp);
return 0;
}
case WM_ERASEBKGND:
return 1; // well, we don't need to erase to redraw cleanly
/* Mouse events */
case WM_LBUTTONDOWN:
SetFocus(hwndview);
oldx = x; oldy = y;
handlemouse(x, y, 1, 1);
return 0;
case WM_MBUTTONDOWN:
SetFocus(hwndview);
oldx = x; oldy = y;
handlemouse(x, y, 2, 1);
return 0;
case WM_RBUTTONDOWN:
SetFocus(hwndview);
oldx = x; oldy = y;
handlemouse(x, y, 3, 1);
return 0;
case WM_LBUTTONUP:
oldx = x; oldy = y;
handlemouse(x, y, 1, -1);
return 0;
case WM_MBUTTONUP:
oldx = x; oldy = y;
handlemouse(x, y, 2, -1);
return 0;
case WM_RBUTTONUP:
oldx = x; oldy = y;
handlemouse(x, y, 3, -1);
return 0;
case WM_MOUSEMOVE:
oldx = x; oldy = y;
handlemouse(x, y, 0, 0);
return 0;
/* Mouse wheel */
case WM_MOUSEWHEEL:
if ((signed short)HIWORD(wParam) <= 0)
{
handlemouse(oldx, oldy, 4, 1);
handlemouse(oldx, oldy, 4, -1);
}
else
{
handlemouse(oldx, oldy, 5, 1);
handlemouse(oldx, oldy, 5, -1);
}
return 0;
/* Timer */
case WM_TIMER:
if (wParam == OUR_TIMER_ID && timer_pending && gapp.presentation_mode)
{
timer_pending = 0;
handlekey(VK_RIGHT + 256);
handlemouse(oldx, oldy, 0, 0); /* update cursor */
return 0;
}
break;
/* Keyboard events */
case WM_KEYDOWN:
/* only handle special keys */
switch (wParam)
{
case VK_F1:
case VK_LEFT:
case VK_UP:
case VK_PRIOR:
case VK_RIGHT:
case VK_DOWN:
case VK_NEXT:
case VK_ESCAPE:
handlekey(wParam + 256);
handlemouse(oldx, oldy, 0, 0); /* update cursor */
return 0;
}
return 1;
/* unicode encoded chars, including escape, backspace etc... */
case WM_CHAR:
if (wParam < 256)
{
handlekey(wParam);
handlemouse(oldx, oldy, 0, 0); /* update cursor */
}
return 0;
/* We use WM_APP to trigger a reload and repaint of a page */
case WM_APP:
pdfapp_reloadpage(&gapp);
break;
}
fflush(stdout);
/* Pass on unhandled events to Windows */
return DefWindowProc(hwnd, message, wParam, lParam);
}
int main(int argc, char **argv)
{
int c;
int len;
char buf[128];
KeySym keysym;
int oldx = 0;
int oldy = 0;
int resolution = -1;
int pageno = 1;
fd_set fds;
int width = -1;
int height = -1;
fz_context *ctx;
struct timeval tmo_at;
struct timeval now;
struct timeval tmo;
struct timeval *timeout;
struct timeval tmo_advance_delay;
ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
while ((c = fz_getopt(argc, argv, "p:r:b:")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
case 'r': resolution = atoi(fz_optarg); break;
case 'b': fz_set_aa_level(ctx, atoi(fz_optarg)); break;
default: usage();
}
}
if (argc - fz_optind == 0)
usage();
filename = argv[fz_optind++];
if (argc - fz_optind == 1)
pageno = atoi(argv[fz_optind++]);
pdfapp_init(ctx, &gapp);
winopen();
if (resolution == -1)
resolution = winresolution();
if (resolution < MINRES)
resolution = MINRES;
if (resolution > MAXRES)
resolution = MAXRES;
gapp.transitions_enabled = 1;
gapp.scrw = DisplayWidth(xdpy, xscr);
gapp.scrh = DisplayHeight(xdpy, xscr);
gapp.resolution = resolution;
gapp.pageno = pageno;
pdfapp_open(&gapp, filename, 0);
FD_ZERO(&fds);
signal(SIGHUP, signal_handler);
tmo_at.tv_sec = 0;
tmo_at.tv_usec = 0;
while (!closing)
{
while (!closing && XPending(xdpy) && !transition_dirty)
{
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 (xevt.xkey.state & ControlMask && keysym == XK_c)
docopy(&gapp, XA_CLIPBOARD);
else if (len)
onkey(buf[0]);
onmouse(oldx, oldy, 0, 0, 0);
break;
case MotionNotify:
oldx = xevt.xmotion.x;
oldy = xevt.xmotion.y;
onmouse(xevt.xmotion.x, xevt.xmotion.y, 0, xevt.xmotion.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;
}
}
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;
transition_dirty = 0;
dirtysearch = 0;
pdfapp_postblit(&gapp);
}
if (showingpage && !tmo_at.tv_sec && !tmo_at.tv_usec)
{
tmo.tv_sec = 2;
tmo.tv_usec = 0;
gettimeofday(&now, NULL);
timeradd(&now, &tmo, &tmo_at);
}
if (XPending(xdpy) || transition_dirty)
continue;
timeout = NULL;
if (tmo_at.tv_sec || tmo_at.tv_usec)
{
gettimeofday(&now, NULL);
timersub(&tmo_at, &now, &tmo);
if (tmo.tv_sec <= 0)
{
tmo_at.tv_sec = 0;
tmo_at.tv_usec = 0;
timeout = NULL;
showingpage = 0;
winrepaint(&gapp);
}
else
timeout = &tmo;
}
if (advance_scheduled)
{
gettimeofday(&now, NULL);
timersub(&tmo_advance, &now, &tmo_advance_delay);
if (tmo_advance_delay.tv_sec <= 0)
{
/* Too late already */
onkey(' ');
onmouse(oldx, oldy, 0, 0, 0);
advance_scheduled = 0;
}
else if (timeout == NULL)
{
timeout = &tmo_advance_delay;
}
else
{
struct timeval tmp;
timersub(&tmo_advance_delay, timeout, &tmp);
if (tmp.tv_sec < 0)
{
timeout = &tmo_advance_delay;
}
}
}
FD_SET(x11fd, &fds);
if (select(x11fd + 1, &fds, NULL, NULL, timeout) < 0)
{
if (reloading)
{
winreloadfile(&gapp);
reloading = 0;
}
}
if (!FD_ISSET(x11fd, &fds))
{
if (timeout == &tmo_advance_delay)
{
onkey(' ');
onmouse(oldx, oldy, 0, 0, 0);
advance_scheduled = 0;
}
else
{
tmo_at.tv_sec = 0;
tmo_at.tv_usec = 0;
timeout = NULL;
showingpage = 0;
winrepaint(&gapp);
}
}
}
cleanup(&gapp);
return 0;
}