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904 lines
22 KiB
904 lines
22 KiB
/* -- 8to24.c -- */
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#include "x11vnc.h"
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#include "cleanup.h"
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#include "scan.h"
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#include "util.h"
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#include "win_utils.h"
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int multivis_count = 0;
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void check_for_multivis(void);
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void bpp8to24(int, int, int, int);
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void mark_8bpp(void);
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static int check_depth(Window win, Window top, int doall);
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static int check_depth_win(Window win, Window top, XWindowAttributes attr);
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/* struct for keeping info about the 8bpp windows: */
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typedef struct window8 {
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Window win;
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Window top;
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int depth;
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int x, y;
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int w, h;
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int map_state;
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Colormap cmap;
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Bool map_installed;
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int fetched;
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} window8bpp_t;
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/* fixed size array. Will primarily hold visible 8bpp windows */
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#define MAX_8BPP_WINDOWS 64
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static window8bpp_t windows_8bpp[MAX_8BPP_WINDOWS];
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static int db24 = 0;
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static int xgetimage_8to24 = 0;
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void check_for_multivis(void) {
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XWindowAttributes attr;
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int doall = 0;
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int k, i, cnt, diff;
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static int first = 1;
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static double last_update = 0.0;
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static double last_clear = 0.0;
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double now = dnow();
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static Window *stack_old = NULL;
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static int stack_old_len = 0;
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if (first) {
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int i;
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/* initialize 8bpp window table: */
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for (i=0; i < MAX_8BPP_WINDOWS; i++) {
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windows_8bpp[i].win = None;
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windows_8bpp[i].top = None;
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windows_8bpp[i].map_state = IsUnmapped;
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windows_8bpp[i].cmap = (Colormap) 0;
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windows_8bpp[i].fetched = 0;
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}
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if (getenv("DEBUG_8TO24") != NULL) {
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db24 = atoi(getenv("DEBUG_8TO24"));
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}
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if (getenv("XGETIMAGE_8TO24") != NULL) {
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xgetimage_8to24 = 1;
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}
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first = 0;
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doall = 1; /* fetch everything first time */
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}
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/*
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* allocate an "old stack" list of all toplevels. we compare
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* this to the current stack to guess stacking order changes.
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*/
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if (!stack_old || stack_old_len < stack_list_len) {
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int n = stack_list_len;
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if (n < 256) {
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n = 256;
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}
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if (stack_old) {
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free(stack_old);
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}
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stack_old = (Window *) malloc(n*sizeof(Window));
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stack_old_len = n;
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}
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/* fill the old stack with visible windows: */
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cnt = 0;
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for (k=0; k < stack_list_num; k++) {
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if (stack_list[k].valid &&
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stack_list[k].map_state == IsViewable) {
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stack_old[cnt++] = stack_list[k].win;
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}
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}
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/* snapshot + update the current stacking order: */
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snapshot_stack_list(0, 0.25);
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if (doall || now > last_update + 0.25) {
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update_stack_list();
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last_update = now;
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}
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/* look for differences in the visible toplevels: */
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diff = 0;
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cnt = 0;
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for (k=0; k < stack_list_num; k++) {
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if (stack_list[k].valid && stack_list[k].map_state == IsViewable) {
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if (stack_old[cnt] != stack_list[k].win) {
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diff = 1;
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break;
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}
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cnt++;
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}
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}
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/*
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* if there are 8bpp visible and a stacking order change
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* refresh vnc with coverage of the 8bpp regions:
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*/
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if (diff && multivis_count) {
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if (db24) fprintf(stderr, "check_for_multivis stack diff: mark_all %f\n", now - x11vnc_start);
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mark_8bpp();
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}
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multivis_count = 0;
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/*
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* every 10 seconds we try to clean out and also refresh the window
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* info in the the 8bpp window table:
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*/
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if (now > last_clear + 10) {
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last_clear = now;
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X_LOCK;
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for (i=0; i < MAX_8BPP_WINDOWS; i++) {
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Window w = windows_8bpp[i].win;
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if ((db24) && w != None) fprintf(stderr, " windows_8bpp: 0x%lx i=%02d ms: %d\n", windows_8bpp[i].win, i, windows_8bpp[i].map_state);
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if (w == None || ! valid_window(w, &attr, 1)) {
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/* catch windows that went away: */
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windows_8bpp[i].win = None;
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windows_8bpp[i].top = None;
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windows_8bpp[i].map_state = IsUnmapped;
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windows_8bpp[i].cmap = (Colormap) 0;
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windows_8bpp[i].fetched = 0;
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}
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}
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X_UNLOCK;
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}
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/* loop over all toplevels, both 8 and 24 depths: */
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for (k=0; k < stack_list_num; k++) {
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Window r, parent;
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Window *list0;
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Status rc;
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unsigned int nc0;
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int i1;
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Window win = stack_list[k].win;
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if (win == None) {
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continue;
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}
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if (stack_list[k].map_state != IsViewable) {
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int i;
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/*
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* if the toplevel became unmapped, mark it
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* for the children as well...
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*/
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for (i=0; i < MAX_8BPP_WINDOWS; i++) {
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if (windows_8bpp[i].top == win) {
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windows_8bpp[i].map_state =
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stack_list[k].map_state;
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}
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}
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}
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if (check_depth(win, win, doall)) {
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/*
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* returns 1 if no need to recurse down e.g. IT
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* is 8bpp and we assume all lower one are too.
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*/
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continue;
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}
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/* we recurse up to two levels down from stack_list windows */
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X_LOCK;
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rc = XQueryTree(dpy, win, &r, &parent, &list0, &nc0);
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X_UNLOCK;
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if (! rc) {
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continue;
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}
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/* loop over grandchildren of rootwin: */
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for (i1=0; i1 < (int) nc0; i1++) {
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Window win1 = list0[i1];
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Window *list1;
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unsigned int nc1;
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int i2;
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if (check_depth(win1, win, doall)) {
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continue;
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}
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X_LOCK;
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rc = XQueryTree(dpy, win1, &r, &parent, &list1, &nc1);
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X_UNLOCK;
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if (! rc) {
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continue;
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}
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/* loop over great-grandchildren of rootwin: */
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for (i2=0; i2< (int) nc1; i2++) {
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Window win2 = list1[i2];
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if (check_depth(win2, win, doall)) {
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continue;
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}
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/* more? Which wm does this? */
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}
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if (nc1) {
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X_LOCK;
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XFree(list1);
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X_UNLOCK;
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}
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}
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if (nc0) {
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X_LOCK;
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XFree(list0);
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X_UNLOCK;
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}
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}
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}
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static int check_depth(Window win, Window top, int doall) {
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XWindowAttributes attr;
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X_LOCK;
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/* first see if it is (still) a valid window: */
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if (! valid_window(win, &attr, 1)) {
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X_UNLOCK;
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return 1; /* indicate done */
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}
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X_UNLOCK;
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if (! doall && attr.map_state != IsViewable) {
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/*
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* store results anyway... this may lead to table filling up,
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* but currently this allows us to update state of onetime mapped
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* windows.
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*/
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check_depth_win(win, top, attr);
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return 1; /* indicate done */
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} else if (check_depth_win(win, top, attr)) {
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return 1; /* indicate done */
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} else {
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return 0; /* indicate not done */
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}
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}
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static int check_depth_win(Window win, Window top, XWindowAttributes attr) {
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/*
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* only store windows with depth not equal to the default visual's depth
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* note some windows can have depth == 0 ... (skip them).
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*/
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if (attr.depth != depth && attr.depth > 0) {
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int i, j = -1, none = -1, nomap = -1;
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int new = 0;
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if (attr.map_state == IsViewable) {
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/* count the visible ones: */
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multivis_count++;
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if (db24 > 1) fprintf(stderr, "multivis: 0x%lx %d\n", win, attr.depth);
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}
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/* try to find a table slot for this window: */
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for (i=0; i < MAX_8BPP_WINDOWS; i++) {
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if (none < 0 && windows_8bpp[i].win == None) {
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/* found first None */
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none = i;
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}
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if (windows_8bpp[i].win == win) {
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/* found myself */
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j = i;
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break;
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}
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if (nomap < 0 && windows_8bpp[i].win != None &&
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windows_8bpp[i].map_state != IsViewable) {
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/* found first unmapped */
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nomap = i;
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}
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}
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if (j < 0) {
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if (attr.map_state != IsViewable) {
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/* no slot and not visible: not worth keeping */
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return 1;
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} else if (none >= 0) {
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/* put it in the first None slot */
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j = none;
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new = 1;
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} else if (nomap >=0) {
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/* put it in the first unmapped slot */
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j = nomap;
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}
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/* otherwise we cannot store it... */
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}
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if (db24 > 1) fprintf(stderr, "multivis: 0x%lx ms: %d j: %d no: %d nm: %d\n", win, attr.map_state, j, none, nomap);
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/* store if if we found a slot j: */
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if (j >= 0) {
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Window w;
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int x, y;
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if (db24 > 1) fprintf(stderr, "multivis: STORE 0x%lx j: %3d ms: %d\n", win, j, attr.map_state);
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windows_8bpp[j].win = win;
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windows_8bpp[j].top = top;
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windows_8bpp[j].depth = attr.depth;
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windows_8bpp[j].map_state = attr.map_state;
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windows_8bpp[j].cmap = attr.colormap;
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windows_8bpp[j].map_installed = attr.map_installed;
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windows_8bpp[j].w = attr.width;
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windows_8bpp[j].h = attr.height;
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/* translate x y to be WRT the root window (not parent) */
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xtranslate(win, window, 0, 0, &x, &y, &w, 1);
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windows_8bpp[j].x = x;
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windows_8bpp[j].y = y;
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windows_8bpp[j].fetched = 1;
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if (new) {
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if (db24) fprintf(stderr, "new: 0x%lx\n", win);
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/* mark it immediately if a new one: */
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mark_rect_as_modified(x, y, x + attr.width,
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y + attr.height, 0);
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}
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} else {
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/*
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* Error: could not find a slot.
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* perhaps keep age and expire old ones??
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*/
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if (db24) fprintf(stderr, "multivis: CANNOT STORE 0x%lx j=%d\n", win, j);
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for (i=0; i < MAX_8BPP_WINDOWS; i++) {
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if (db24 > 1) fprintf(stderr, " ------------ 0x%lx i=%d\n", windows_8bpp[i].win, i);
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}
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}
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return 1;
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}
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return 0;
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}
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void bpp8to24(int x1, int y1, int x2, int y2) {
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char *src;
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char *dst;
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unsigned int *ui;
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unsigned int hi, idx;
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int ps, pixelsize = bpp/8;
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int line, i, h, k, w;
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# define CMAPMAX 64
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Colormap cmaps[CMAPMAX];
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int ncmaps, cmap_max = CMAPMAX;
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sraRegionPtr rect, disp, region8bpp;
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XWindowAttributes attr;
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static int last_map_count = 0, call_count = 0;
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static double last_validate = 0.0;
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int validate = 1;
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int histo[256];
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if (! cmap8to24 || !cmap8to24_fb) {
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/* hmmm, why were we called? */
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return;
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}
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call_count++;
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/* initialize color map list */
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ncmaps = 0;
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for (i=0; i < cmap_max; i++) {
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cmaps[i] = (Colormap) 0;
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}
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/* clip to display just in case: */
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x1 = nfix(x1, dpy_x);
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y1 = nfix(y1, dpy_y);
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x2 = nfix(x2, dpy_x);
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y2 = nfix(y2, dpy_y);
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/* create regions for finding overlap, etc. */
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disp = sraRgnCreateRect(0, 0, dpy_x, dpy_y);
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rect = sraRgnCreateRect(x1, y1, x2, y2);
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region8bpp = sraRgnCreate();
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X_LOCK;
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XFlush(dpy); /* make sure X server is up to date WRT input, etc */
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X_UNLOCK;
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if (last_map_count > MAX_8BPP_WINDOWS/4) {
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/* table is filling up... skip validating sometimes: */
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int skip = 3;
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if (last_map_count > MAX_8BPP_WINDOWS/2) {
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skip = 6;
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}
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if (last_map_count > 3*MAX_8BPP_WINDOWS/4) {
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skip = 12;
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}
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if (call_count % skip != 0) {
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validate = 0;
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if (db24) fprintf(stderr, " bpp8to24: No validate: %d -- %d\n", skip, last_map_count);
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} else {
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if (db24) fprintf(stderr, " bpp8to24: yesvalidate: %d -- %d\n", skip, last_map_count);
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}
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}
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last_map_count = 0;
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if (db24 > 2) {for(i=0;i<256;i++){histo[i]=0;}}
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/* loop over the table of 8bpp windows: */
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for (i=0; i < MAX_8BPP_WINDOWS; i++) {
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sraRegionPtr tmp_reg, tmp_reg2;
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Window w = windows_8bpp[i].win;
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Window c;
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int x, y;
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if (wireframe_in_progress) {
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break; /* skip updates during wireframe drag */
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}
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if (w == None) {
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continue;
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}
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if (db24 > 1) fprintf(stderr, "bpp8to24: 0x%lx ms=%d i=%d\n", w, windows_8bpp[i].map_state, i);
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if (validate) {
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/*
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* this could be slow: validating 8bpp windows each
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* time...
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*/
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last_validate = dnow();
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X_LOCK;
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if (! valid_window(w, &attr, 1)) {
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X_UNLOCK;
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windows_8bpp[i].win = None;
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windows_8bpp[i].top = None;
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windows_8bpp[i].map_state = IsUnmapped;
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windows_8bpp[i].cmap = (Colormap) 0;
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windows_8bpp[i].fetched = 0;
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continue;
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}
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X_UNLOCK;
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if (attr.map_state != IsViewable) {
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continue;
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}
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X_LOCK;
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xtranslate(w, window, 0, 0, &x, &y, &c, 1);
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X_UNLOCK;
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} else {
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/* this would be faster: no call to X server: */
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if (windows_8bpp[i].map_state != IsViewable) {
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continue;
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}
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x = windows_8bpp[i].x;
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y = windows_8bpp[i].y;
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attr.width = windows_8bpp[i].w;
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attr.height = windows_8bpp[i].h;
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attr.map_state = windows_8bpp[i].map_state;
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attr.colormap = windows_8bpp[i].cmap;
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}
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last_map_count++;
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/* tmp region for this 8bpp rectangle: */
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tmp_reg = sraRgnCreateRect(nfix(x, dpy_x), nfix(y, dpy_y),
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nfix(x + attr.width, dpy_x), nfix(y + attr.height, dpy_y));
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/* clip to display screen: */
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if (0) sraRgnAnd(tmp_reg, disp);
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/* find overlap with mark region in rect: */
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sraRgnAnd(tmp_reg, rect);
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if (sraRgnEmpty(tmp_reg)) {
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/* skip if no overlap: */
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sraRgnDestroy(tmp_reg);
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continue;
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}
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/* loop over all toplevels, top to bottom clipping: */
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for (k = stack_list_num - 1; k >= 0; k--) {
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Window swin = stack_list[k].win;
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int sx, sy, sw, sh;
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if (db24 > 1) fprintf(stderr, "Stack win: 0x%lx %d iv=%d\n", swin, k, stack_list[k].map_state);
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if (swin == windows_8bpp[i].top) {
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/* found our top level: we clip the rest. */
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if (db24 > 1) fprintf(stderr, "found top: 0x%lx %d iv=%d\n", swin, k, stack_list[k].map_state);
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break;
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}
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if (stack_list[k].map_state != IsViewable) {
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/* skip unmapped ones: */
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continue;
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}
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/* make a temp rect for this toplevel: */
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sx = stack_list[k].x;
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sy = stack_list[k].y;
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sw = stack_list[k].width;
|
|
sh = stack_list[k].height;
|
|
|
|
tmp_reg2 = sraRgnCreateRect(nfix(sx, dpy_x),
|
|
nfix(sy, dpy_y), nfix(sx + sw, dpy_x),
|
|
nfix(sy + sh, dpy_y));
|
|
if (0) sraRgnAnd(tmp_reg2, disp);
|
|
|
|
/* subtract it from the 8bpp window region */
|
|
sraRgnSubtract(tmp_reg, tmp_reg2);
|
|
sraRgnDestroy(tmp_reg2);
|
|
}
|
|
|
|
if (sraRgnEmpty(tmp_reg)) {
|
|
/* skip this 8bpp if completely clipped away: */
|
|
sraRgnDestroy(tmp_reg);
|
|
if (db24 > 1) fprintf(stderr, "Empty tmp_reg\n");
|
|
continue;
|
|
}
|
|
|
|
/* otherwise, store any new colormaps: */
|
|
if (ncmaps < cmap_max && attr.colormap != (Colormap) 0) {
|
|
int m, sawit = 0;
|
|
for (m=0; m < ncmaps; m++) {
|
|
if (cmaps[m] == attr.colormap) {
|
|
sawit = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (! sawit) {
|
|
/* store only new ones: */
|
|
cmaps[ncmaps++] = attr.colormap;
|
|
}
|
|
}
|
|
|
|
/* now include this region with the full 8bpp region: */
|
|
sraRgnOr(region8bpp, tmp_reg);
|
|
sraRgnDestroy(tmp_reg);
|
|
}
|
|
|
|
/* copy from main_fb to cmap8to24_fb regardless of 8bpp windows: */
|
|
src = main_fb + main_bytes_per_line * y1 + pixelsize * x1;
|
|
dst = cmap8to24_fb + main_bytes_per_line * y1 + pixelsize * x1;
|
|
h = y2 - y1;
|
|
w = x2 - x1;
|
|
|
|
for (line = 0; line < h; line++) {
|
|
memcpy(dst, src, w * pixelsize);
|
|
src += main_bytes_per_line;
|
|
dst += main_bytes_per_line;
|
|
}
|
|
|
|
if (db24 > 1) fprintf(stderr, "bpp8to24 w=%d h=%d m=%p c=%p r=%p \n", w, h, main_fb, cmap8to24_fb, rfb_fb);
|
|
|
|
/*
|
|
* now go back and tranform and 8bpp regions to TrueColor in
|
|
* cmap8to24_fb. we have to guess the best colormap to use if
|
|
* there is more than one...
|
|
*/
|
|
#define NCOLOR 256
|
|
if (! sraRgnEmpty(region8bpp) && ncmaps) {
|
|
sraRectangleIterator *iter;
|
|
sraRect rect;
|
|
int i, j, ncells;
|
|
int cmap_failed[CMAPMAX];
|
|
static XColor color[CMAPMAX][NCOLOR];
|
|
static unsigned int rgb[CMAPMAX][NCOLOR];
|
|
XErrorHandler old_handler = NULL;
|
|
|
|
#if 0
|
|
/* not working properly for depth 24... */
|
|
X_LOCK;
|
|
ncells = CellsOfScreen(ScreenOfDisplay(dpy, scr));
|
|
X_UNLOCK;
|
|
#else
|
|
ncells = NCOLOR;
|
|
#endif
|
|
/* ncells should "always" be 256. */
|
|
if (ncells > NCOLOR) {
|
|
ncells = NCOLOR;
|
|
} else if (ncells == 8) {
|
|
/* hmmm. see set_colormap() */
|
|
ncells = NCOLOR;
|
|
}
|
|
|
|
/*
|
|
* first, grab all of the associated colormaps from the
|
|
* X server. Hopefully just 1 or 2...
|
|
*/
|
|
for (j=0; j<ncmaps; j++) {
|
|
|
|
if (db24 > 1) fprintf(stderr, "cmap %d\n", (int) cmaps[j]);
|
|
|
|
/* initialize XColor array: */
|
|
for (i=0; i < ncells; i++) {
|
|
color[j][i].pixel = i;
|
|
color[j][i].pad = 0;
|
|
}
|
|
|
|
/* try to query the colormap, trap errors */
|
|
X_LOCK;
|
|
trapped_xerror = 0;
|
|
old_handler = XSetErrorHandler(trap_xerror);
|
|
XQueryColors(dpy, cmaps[j], color[j], ncells);
|
|
XSetErrorHandler(old_handler);
|
|
X_UNLOCK;
|
|
if (trapped_xerror) {
|
|
/*
|
|
* results below will be indefinite...
|
|
* need to exclude this one.
|
|
*/
|
|
trapped_xerror = 0;
|
|
cmap_failed[j] = 1;
|
|
continue;
|
|
}
|
|
trapped_xerror = 0;
|
|
cmap_failed[j] = 0;
|
|
|
|
/* now map each index to depth 24 RGB */
|
|
for (i=0; i < ncells; i++) {
|
|
unsigned int red, green, blue;
|
|
/* strip out highest 8 bits of values: */
|
|
red = (color[j][i].red & 0xff00) >> 8;
|
|
green = (color[j][i].green & 0xff00) >> 8;
|
|
blue = (color[j][i].blue & 0xff00) >> 8;
|
|
|
|
/*
|
|
* the maxes should be at 255 already,
|
|
* but just in case...
|
|
*/
|
|
red = (main_red_max * red )/255;
|
|
green = (main_green_max * green)/255;
|
|
blue = (main_blue_max * blue )/255;
|
|
|
|
if (db24 > 2) fprintf(stderr, " cmap[%02d][%03d]: %03d %03d %03d 0x%08lx \n", j, i, red, green, blue, ( red << main_red_shift | green << main_green_shift | blue << main_blue_shift));
|
|
|
|
/* shift them over and or together for value */
|
|
red = red << main_red_shift;
|
|
green = green << main_green_shift;
|
|
blue = blue << main_blue_shift;
|
|
|
|
rgb[j][i] = red | green | blue;
|
|
}
|
|
}
|
|
|
|
/* loop over the rectangles making up region8bpp */
|
|
iter = sraRgnGetIterator(region8bpp);
|
|
while (sraRgnIteratorNext(iter, &rect)) {
|
|
double score, max_score = -1.0;
|
|
int n, m, best;
|
|
Window best_win = None;
|
|
|
|
if (rect.x1 > rect.x2) {
|
|
int tmp = rect.x2;
|
|
rect.x2 = rect.x1;
|
|
rect.x1 = tmp;
|
|
}
|
|
if (rect.y1 > rect.y2) {
|
|
int tmp = rect.y2;
|
|
rect.y2 = rect.y1;
|
|
rect.y1 = tmp;
|
|
}
|
|
|
|
if (db24 > 1) fprintf(stderr, "ncmaps: %d\n", ncmaps);
|
|
|
|
/*
|
|
* try to pick the "best" colormap to use for
|
|
* this rectangle (often wrong... let them
|
|
* iconify or move the trouble windows, etc.)
|
|
*/
|
|
best = -1;
|
|
|
|
for (m=0; m < MAX_8BPP_WINDOWS; m++) {
|
|
int mx1, my1, mx2, my2;
|
|
int k, failed = 0;
|
|
if (windows_8bpp[m].win == None) {
|
|
continue;
|
|
}
|
|
if (windows_8bpp[m].map_state != IsViewable) {
|
|
continue;
|
|
}
|
|
|
|
/* see if XQueryColors failed: */
|
|
for (k=0; k<ncmaps; k++) {
|
|
if (windows_8bpp[m].cmap == cmaps[k]
|
|
&& cmap_failed[k]) {
|
|
failed = 1;
|
|
}
|
|
}
|
|
if (failed) {
|
|
continue;
|
|
}
|
|
|
|
/* rectangle coords for this 8bpp win: */
|
|
mx1 = windows_8bpp[m].x;
|
|
my1 = windows_8bpp[m].y;
|
|
mx2 = windows_8bpp[m].x + windows_8bpp[m].w;
|
|
my2 = windows_8bpp[m].y + windows_8bpp[m].h;
|
|
|
|
/* use overlap as score: */
|
|
score = rect_overlap(mx1, my1, mx2, my2,
|
|
rect.x1, rect.y1, rect.x2, rect.y2);
|
|
|
|
if (score > max_score) {
|
|
max_score = score;
|
|
best = m;
|
|
best_win = windows_8bpp[m].win;
|
|
}
|
|
|
|
if (db24 > 1) fprintf(stderr, "cmap_score: 0x%x %.3f %.3f\n", (int) windows_8bpp[m].cmap, score, max_score);
|
|
|
|
}
|
|
|
|
if (best < 0) {
|
|
/* hmmm, use the first one then... */
|
|
best = 0;
|
|
} else {
|
|
int ok = 0;
|
|
/*
|
|
* find the cmap corresponding to best window
|
|
* note we reset best from the windows_8bpp
|
|
* index to the cmaps[].
|
|
*/
|
|
for (m=0; m < ncmaps; m++) {
|
|
if (cmaps[m] == windows_8bpp[best].cmap) {
|
|
ok = 1;
|
|
best = m;
|
|
}
|
|
}
|
|
if (! ok) {
|
|
best = 0;
|
|
}
|
|
}
|
|
|
|
|
|
if (db24 > 1) fprintf(stderr, "transform %d %d %d %d\n", rect.x1, rect.y1, rect.x2, rect.y2);
|
|
|
|
/* now tranform the pixels in this rectangle: */
|
|
n = main_bytes_per_line * rect.y1 + pixelsize * rect.x1;
|
|
|
|
src = cmap8to24_fb + n;
|
|
h = rect.y2 - rect.y1;
|
|
w = rect.x2 - rect.x1;
|
|
|
|
if (xgetimage_8to24 && best_win != None &&
|
|
valid_window(best_win, &attr, 1)) {
|
|
/* experimental mode. */
|
|
XImage *xi;
|
|
Window c;
|
|
XErrorHandler old_handler = NULL;
|
|
unsigned int wu, hu;
|
|
int xo, yo;
|
|
ps = 1; /* assume 8bpp */
|
|
|
|
wu = (unsigned int) w;
|
|
hu = (unsigned int) h;
|
|
|
|
X_LOCK;
|
|
xtranslate(best_win, window, 0, 0, &xo, &yo,
|
|
&c, 1);
|
|
xo = rect.x1 - xo;
|
|
yo = rect.y1 - yo;
|
|
|
|
if (db24 > 1) fprintf(stderr, "xywh: %d %d %d %d vs. %d %d\n", xo, yo, w, h, attr.width, attr.height);
|
|
if (xo < 0 || yo < 0 || w > attr.width ||
|
|
h > attr.height) {
|
|
if (db24 > 1) fprintf(stderr, "skipping due to potential bad match...\n");
|
|
X_UNLOCK;
|
|
continue;
|
|
}
|
|
|
|
trapped_xerror = 0;
|
|
old_handler = XSetErrorHandler(trap_xerror);
|
|
xi = XGetImage(dpy, best_win, xo, yo, wu, hu,
|
|
AllPlanes, ZPixmap);
|
|
XSetErrorHandler(old_handler);
|
|
X_UNLOCK;
|
|
|
|
if (! xi || trapped_xerror) {
|
|
trapped_xerror = 0;
|
|
if (db24 > 1) fprintf(stderr, "xi-fail: 0x%p trap=%d %d %d %d %d\n", xi, trapped_xerror, xo, yo, w, h);
|
|
continue;
|
|
} else {
|
|
if (db24 > 1) fprintf(stderr, "xi: 0x%p %d %d %d %d -- %d %d\n", xi, xo, yo, w, h, xi->width, xi->height);
|
|
}
|
|
trapped_xerror = 0;
|
|
|
|
if (xi->depth != 8) {
|
|
X_LOCK;
|
|
XDestroyImage(xi);
|
|
X_UNLOCK;
|
|
if (db24) fprintf(stderr, "xi: wrong depth: %d\n", xi->depth);
|
|
continue;
|
|
}
|
|
|
|
dst = src;
|
|
src = xi->data;
|
|
|
|
/* line by line ... */
|
|
for (line = 0; line < xi->height; line++) {
|
|
/* pixel by pixel... */
|
|
for (j = 0; j < xi->width; j++) {
|
|
unsigned char *uc;
|
|
|
|
uc = (unsigned char *) (src + ps * j);
|
|
ui = (unsigned int *) (dst+pixelsize*j);
|
|
|
|
idx = (int) (*uc);
|
|
|
|
hi = (*ui) & 0xff000000;
|
|
*ui = hi | rgb[best][idx];
|
|
if (db24 > 2) histo[idx]++;
|
|
}
|
|
src += xi->bytes_per_line;
|
|
dst += main_bytes_per_line;
|
|
}
|
|
|
|
X_LOCK;
|
|
XDestroyImage(xi);
|
|
X_UNLOCK;
|
|
|
|
} else if (! xgetimage_8to24) {
|
|
/* normal mode. */
|
|
|
|
ps = pixelsize;
|
|
|
|
/* line by line ... */
|
|
for (line = 0; line < h; line++) {
|
|
/* pixel by pixel... */
|
|
for (j = 0; j < w; j++) {
|
|
|
|
/* grab 32 bit value */
|
|
ui = (unsigned int *) (src + ps * j);
|
|
|
|
/* extract top 8 bits (FIXME: masks?) */
|
|
hi = (*ui) & 0xff000000;
|
|
|
|
/* map to lookup index; rewrite pixel */
|
|
idx = hi >> 24;
|
|
*ui = hi | rgb[best][idx];
|
|
if (db24 > 2) histo[idx]++;
|
|
}
|
|
src += main_bytes_per_line;
|
|
}
|
|
}
|
|
}
|
|
sraRgnReleaseIterator(iter);
|
|
}
|
|
|
|
if (db24 > 2) {for(i=0; i<256;i++) {fprintf(stderr, " cmap histo[%03d] %d\n", i, histo[i]);}}
|
|
|
|
/* cleanup */
|
|
sraRgnDestroy(disp);
|
|
sraRgnDestroy(rect);
|
|
sraRgnDestroy(region8bpp);
|
|
}
|
|
|
|
void mark_8bpp(void) {
|
|
int i, cnt = 0;
|
|
|
|
if (! cmap8to24 || !cmap8to24_fb) {
|
|
return;
|
|
}
|
|
|
|
/* for each mapped 8bpp window, mark it changed: */
|
|
|
|
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
|
|
int x1, y1, x2, y2, w, h, f = 32;
|
|
f = 0; /* skip fuzz, may bring in other windows... */
|
|
|
|
if (windows_8bpp[i].win == None) {
|
|
continue;
|
|
}
|
|
if (windows_8bpp[i].map_state != IsViewable) {
|
|
continue;
|
|
}
|
|
|
|
x1 = windows_8bpp[i].x;
|
|
y1 = windows_8bpp[i].y;
|
|
w = windows_8bpp[i].w;
|
|
h = windows_8bpp[i].h;
|
|
|
|
/* apply a fuzz f around each one... constrain to screen */
|
|
x2 = x1 + w;
|
|
y2 = y1 + h;
|
|
x1 = nfix(x1 - f, dpy_x);
|
|
y1 = nfix(y1 - f, dpy_y);
|
|
x2 = nfix(x2 + f, dpy_x);
|
|
y2 = nfix(y2 + f, dpy_y);
|
|
|
|
if (db24 > 1) fprintf(stderr, "mark_8bpp: 0x%lx %d %d %d %d\n", windows_8bpp[i].win, x1, y1, x2, y2);
|
|
|
|
mark_rect_as_modified(x1, y1, x2, y2, 0);
|
|
cnt++;
|
|
}
|
|
if (cnt) {
|
|
/* push it to viewers if possible. */
|
|
rfbPE(-1);
|
|
}
|
|
}
|
|
|