diff options
Diffstat (limited to 'src/globals.c')
| -rw-r--r-- | src/globals.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/globals.c b/src/globals.c index bc369ae..a76f220 100644 --- a/src/globals.c +++ b/src/globals.c @@ -20,6 +20,8 @@ #include "ratpoison.h" +#include <unistd.h> /* for usleep(). */ + int alarm_signalled = 0; int kill_signalled = 0; int hup_signalled = 0; @@ -70,6 +72,143 @@ char *rp_error_msg = NULL; /* Global frame numset */ struct numset *rp_frame_numset; +/* The X11 selection globals */ +rp_xselection selection; + +static void +x_export_selection () +{ + /* Hang the selections off screen 0's key window. */ + XSetSelectionOwner(dpy, XA_PRIMARY, screens[0].key_window, CurrentTime); + if (XGetSelectionOwner(dpy, XA_PRIMARY) != screens[0].key_window) + PRINT_ERROR(("can't get primary selection")); + XChangeProperty(dpy, screens[0].root, XA_CUT_BUFFER0, XA_STRING, 8, + PropModeReplace, selection.text, selection.len); +} + +void +set_nselection (char *txt, int len) +{ + int i; + + /* Update the selection structure */ + if (selection.text != NULL) + free(selection.text); + + /* Copy the string by hand. */ + selection.text = malloc(len+1); + selection.len = len + 1; + for (i=0; i<len; i++) + selection.text[i] = txt[i]; + selection.text[len] = 0; + + x_export_selection(); +} + +void +set_selection (char *txt) +{ + /* Update the selection structure */ + if (selection.text != NULL) + free(selection.text); + selection.text = xstrdup (txt); + selection.len = strlen (txt); + + x_export_selection(); +} + +static char * +get_cut_buffer () +{ + int nbytes; + char *data; + + PRINT_DEBUG (("trying the cut buffer\n")); + + data = XFetchBytes (dpy, &nbytes); + + if (data) + { + struct sbuf *s = sbuf_new (0); + sbuf_nconcat (s, data, nbytes); + XFree (data); + return sbuf_free_struct (s); + } + else + return NULL; +} + +/* Lifted the code from rxvt. */ +static char * +get_primary_selection() +{ + long nread; + unsigned long bytes_after; + XTextProperty ct; + struct sbuf *s = sbuf_new(0); + + for (nread = 0, bytes_after = 1; bytes_after > 0; nread += ct.nitems) { + if ((XGetWindowProperty(dpy, current_screen()->input_window, rp_selection, (nread / 4), 4096, + True, AnyPropertyType, &ct.encoding, + &ct.format, &ct.nitems, &bytes_after, + &ct.value) != Success)) { + XFree(ct.value); + sbuf_free(s); + return NULL; + } + if (ct.value == NULL) + continue; + /* Accumulate the data. FIXME: ct.value may not be NULL + terminated. */ + sbuf_nconcat (s, ct.value, ct.nitems); + XFree(ct.value); + } + return sbuf_free_struct (s); +} + +char * +get_selection () +{ + Atom property; + XEvent ev; + rp_screen *s = current_screen (); + int loops = 1000; + + /* Just insert our text, if we own the selection. */ + if (selection.text) + { + return xstrdup (selection.text); + } + else + { + /* be a good icccm citizen */ + XDeleteProperty (dpy, s->input_window, rp_selection); + /* TODO: we shouldn't use CurrentTime here, use the time of the XKeyEvent, should we fake it? */ + XConvertSelection (dpy, XA_PRIMARY, XA_STRING, rp_selection, s->input_window, CurrentTime); + + /* This seems like a hack. */ + while (!XCheckTypedWindowEvent (dpy, s->input_window, SelectionNotify, &ev)) + { + if (loops == 0) + { + PRINT_ERROR (("selection request timed out\n")); + return NULL; + } + usleep (10000); + loops--; + } + + PRINT_DEBUG (("SelectionNotify event\n")); + + property = ev.xselection.property; + + if (property != None) + return get_primary_selection (); + else + return get_cut_buffer (); + } +} + /* The hook dictionary globals. */ LIST_HEAD (rp_key_hook); @@ -106,3 +245,10 @@ set_window_focus (Window window) LIST_HEAD (rp_frame_undos); int rp_num_frame_undos = 0; + +void +init_globals () +{ + selection.text = NULL; + selection.len = 0; +} |