data_content_t *win_textgrid_update(window_t *win)
{
int jx, ix;
int spanstart;
short curstyle;
window_textgrid_t *dwin = win->data;
if (!dwin->lines) {
dwin->alldirty = FALSE;
return NULL;
}
data_content_t *dat = NULL;
for (jx=0; jx<dwin->height; jx++) {
tgline_t *ln = &(dwin->lines[jx]);
if (!dwin->alldirty && !ln->dirty)
continue;
if (!dat)
dat = data_content_alloc(win->updatetag, win->type);
data_line_t *line = data_line_alloc();
gen_list_append(&dat->lines, line);
line->linenum = jx;
curstyle = -1;
spanstart = 0;
for (ix=0; ix<dwin->width; ix++) {
if (ln->styles[ix] != curstyle) {
if (ix > spanstart) {
data_line_add_span(line, curstyle, ln->chars+spanstart, ix-spanstart);
spanstart = ix;
}
curstyle = ln->styles[ix];
}
}
if (ix > spanstart) {
data_line_add_span(line, curstyle, ln->chars+spanstart, ix-spanstart);
spanstart = ix;
}
ln->dirty = FALSE;
}
dwin->alldirty = FALSE;
return dat;
}
/* This constructs an update object for the library state. (It's in
rgwindow.c because most of the work is window-related.)
This clears all the dirty flags, constructs an update, sends it to
stdout, and flushes.
If special is provided, it goes into the update. It will be freed
after sending.
*/
void gli_windows_update(data_specialreq_t *special, int newgeneration)
{
window_t *win;
int ix;
data_update_t *update = data_update_alloc();
if (newgeneration)
generation++;
update->gen = generation;
if (geometry_changed) {
geometry_changed = FALSE;
update->usewindows = TRUE;
for (win=gli_windowlist, ix=0; win; win=win->next, ix++) {
if (win->type == wintype_Pair)
continue;
data_window_t *dat = data_window_alloc(win->updatetag,
win->type, win->rock);
dat->size = win->bbox;
if (win->type == wintype_TextGrid) {
window_textgrid_t *dwin = win->data;
dat->gridwidth = dwin->width;
dat->gridheight = dwin->height;
}
gen_list_append(&update->windows, dat);
}
}
for (win=gli_windowlist; win; win=win->next) {
data_content_t *dat = NULL;
switch (win->type) {
case wintype_TextGrid:
dat = win_textgrid_update(win);
break;
case wintype_TextBuffer:
dat = win_textbuffer_update(win);
break;
}
if (dat) {
gen_list_append(&update->contents, dat);
}
}
for (win=gli_windowlist; win; win=win->next) {
data_input_t *dat = NULL;
if (win->char_request) {
dat = data_input_alloc(win->updatetag, evtype_CharInput);
dat->gen = win->inputgen;
if (win->type == wintype_TextGrid) {
window_textgrid_t *dwin = win->data;
/* Canonicalize position first? */
dat->cursorpos = TRUE;
dat->xpos = dwin->curx;
dat->ypos = dwin->cury;
}
}
else if (win->line_request) {
dat = data_input_alloc(win->updatetag, evtype_LineInput);
dat->gen = win->inputgen;
if (win->type == wintype_TextBuffer) {
window_textbuffer_t *dwin = win->data;
dat->maxlen = dwin->inmax;
if (dwin->incurpos) {
dat->initlen = dwin->incurpos;
dat->initstr = dup_buffer(dwin->inbuf, dwin->incurpos, dwin->inunicode);
}
}
else if (win->type == wintype_TextGrid) {
window_textgrid_t *dwin = win->data;
/* Canonicalize position first? */
dat->cursorpos = TRUE;
dat->xpos = dwin->curx;
dat->ypos = dwin->cury;
dat->maxlen = dwin->inmax;
if (dwin->incurpos) {
dat->initlen = dwin->incurpos;
dat->initstr = dup_buffer(dwin->inbuf, dwin->incurpos, dwin->inunicode);
}
}
}
if (win->hyperlink_request) {
if (!dat)
dat = data_input_alloc(win->updatetag, evtype_None);
dat->hyperlink = TRUE;
}
if (dat) {
update->useinputs = TRUE;
gen_list_append(&update->inputs, dat);
}
}
glui32 timing_msec = 0;
if (gli_timer_need_update(&timing_msec)) {
update->includetimer = TRUE;
update->timer = timing_msec;
}
update->specialreq = special;
data_update_print(update);
printf("\n"); /* blank line after stanza */
fflush(stdout);
data_update_free(update);
}
