int get_window_monitor(Window win)
{
int x, y, w, h;
get_window_coordinates(win, &x, &y, &w, &h);
int best_match = -1;
int match_right = 0;
int match_bottom = 0;
// There is an ambiguity when a window is right on the edge between screens.
// In that case, prefer the monitor which is on the right and bottom of the window's top-left corner.
for (int i = 0; i < server.num_monitors; i++) {
if (x >= server.monitors[i].x && x <= (server.monitors[i].x + server.monitors[i].width) &&
y >= server.monitors[i].y && y <= (server.monitors[i].y + server.monitors[i].height)) {
int current_right = x < (server.monitors[i].x + server.monitors[i].width);
int current_bottom = y < (server.monitors[i].y + server.monitors[i].height);
if (best_match < 0 || (!match_right && current_right) || (!match_bottom && current_bottom)) {
best_match = i;
}
}
}
if (best_match < 0)
best_match = 0;
//fprintf(stderr, "desktop %d, window %lx %s : monitor %d, (%d, %d)\n", 1 + get_current_desktop(), win, get_task(win) ? get_task(win)->title : "??", best_match+1, x, y);
return best_match;
}
int get_window_desktop(Window win)
{
int desktop = get_property32(win, server.atom._NET_WM_DESKTOP, XA_CARDINAL);
if (desktop == ALL_DESKTOPS)
return desktop;
if (!server.viewports)
return CLAMP(desktop, 0, server.num_desktops - 1);
int x, y, w, h;
get_window_coordinates(win, &x, &y, &w, &h);
desktop = get_current_desktop();
// Window coordinates are relative to the current viewport, make them absolute
x += server.viewports[desktop].x;
y += server.viewports[desktop].y;
if (x < 0 || y < 0) {
int num_results;
long *x_screen_size =
server_get_property(server.root_win, server.atom._NET_DESKTOP_GEOMETRY, XA_CARDINAL, &num_results);
if (!x_screen_size)
return 0;
int x_screen_width = x_screen_size[0];
int x_screen_height = x_screen_size[1];
XFree(x_screen_size);
// Wrap
if (x < 0)
x += x_screen_width;
if (y < 0)
y += x_screen_height;
}
int best_match = -1;
int match_right = 0;
int match_bottom = 0;
// There is an ambiguity when a window is right on the edge between viewports.
// In that case, prefer the viewports which is on the right and bottom of the window's top-left corner.
for (int i = 0; i < server.num_desktops; i++) {
if (x >= server.viewports[i].x && x <= (server.viewports[i].x + server.viewports[i].width) &&
y >= server.viewports[i].y && y <= (server.viewports[i].y + server.viewports[i].height)) {
int current_right = x < (server.viewports[i].x + server.viewports[i].width);
int current_bottom = y < (server.viewports[i].y + server.viewports[i].height);
if (best_match < 0 || (!match_right && current_right) || (!match_bottom && current_bottom)) {
best_match = i;
}
}
}
if (best_match < 0)
best_match = 0;
// fprintf(stderr, "window %lx %s : viewport %d, (%d, %d)\n", win, get_task(win) ? get_task(win)->title : "??",
// best_match+1, x, y);
return best_match;
}
