+
+ if(!win) {
+ focused_win = 0;
+ return;
+ }
+
+ if(win->get_focusable()) {
+ focused_win = win;
+ parent = focused_win->get_parent();
+ fill_rect(parent->get_absolute_rect(), frame_fcolor[0], frame_fcolor[1], frame_fcolor[2]);
+ return;
+ }
+
+ Window **children = win->get_children();
+ for(int i=0; i<win->get_children_count(); i++) {
+ if(children[0]->get_focusable()) {
+ set_focused_window(children[0]);
+ fill_rect(win->get_absolute_rect(), frame_fcolor[0], frame_fcolor[1], frame_fcolor[2]);
+ return;
+ }
+ }
+
+ focused_win = 0;
+}
+
+const Window *WindowManager::get_focused_window() const
+{
+ return focused_win;
+}
+
+Window *WindowManager::get_focused_window()
+{
+ return focused_win;
+}
+
+Window *WindowManager::get_window_at_pos(int pointer_x, int pointer_y)
+{
+ Window *root_win = wm->get_root_window();
+ Window **children = root_win->get_children();
+ for(int i=root_win->get_children_count() - 1; i>=0; i--) {
+ if(children[i]->contains_point(pointer_x, pointer_y)) {
+ return children[i];
+ }
+ }
+
+ return 0;
+}
+
+Window *WindowManager::get_root_window() const
+{
+ return root_win;
+}
+
+void WindowManager::set_focused_frame_color(int r, int g, int b)
+{
+ frame_fcolor[0] = r;
+ frame_fcolor[1] = g;
+ frame_fcolor[2] = b;
+}
+
+void WindowManager::get_focused_frame_color(int *r, int *g, int *b)
+{
+ *r = frame_fcolor[0];
+ *g = frame_fcolor[1];
+ *b = frame_fcolor[2];
+}
+
+void WindowManager::set_unfocused_frame_color(int r, int g, int b)
+{
+ frame_ucolor[0] = r;
+ frame_ucolor[1] = g;
+ frame_ucolor[2] = b;
+}
+
+Window *WindowManager::get_grab_window() const
+{
+ return grab_win;
+}
+
+void WindowManager::grab_mouse(Window *win)
+{
+ grab_win = win;
+}
+
+void WindowManager::release_mouse()
+{
+ grab_win = 0;
+}
+
+void WindowManager::raise_window(Window *win)
+{
+ if(!win) {
+ return;
+ }
+
+ Window *parent = win->get_parent();
+ if(parent != root_win) {
+ if(parent->get_parent() == root_win) {
+ win = parent;
+ }
+ else {
+ return;
+ }
+ }
+
+ root_win->remove_child(win);
+ root_win->add_child(win);
+}
+
+void WindowManager::sink_window(Window *win)
+{
+ if(!win) {
+ return;
+ }
+
+ std::list<Window*>::iterator it;
+ it = std::find(windows.begin(), windows.end(), win);
+ if(it != windows.end()) {
+ windows.erase(it);
+ windows.push_front(win);
+ }
+}
+
+static void display(Window *win)
+{
+ //frame display:
+ Window **children = win->get_children();
+ for(int i=0; i<win->get_children_count(); i++) {
+ if(children[0] == wm->get_focused_window()) {
+ int r, g, b;
+ wm->get_focused_frame_color(&r, &g, &b);
+ fill_rect(win->get_absolute_rect(), r, g, b);
+ return;
+ }
+ }
+
+ fill_rect(win->get_absolute_rect(), 74, 175, 198);
+}
+
+static int prev_x, prev_y;
+
+static void mouse(Window *win, int bn, bool pressed, int x, int y)
+{
+ if(bn == 0) {
+ if(pressed) {
+ wm->grab_mouse(win);
+ wm->raise_window(win);
+ prev_x = x;
+ prev_y = y;
+ }
+ else {
+ wm->release_mouse();
+ }
+ }
+}
+
+static void motion(Window *win, int x, int y)
+{
+ int left_bn = get_button(0);
+ int right_button = get_button(2);
+
+ if(left_bn) {
+ int dx = x - prev_x;
+ int dy = y - prev_y;
+ prev_x = x - dx;
+ prev_y = y - dy;
+
+ Rect rect = win->get_rect();
+ win->move(rect.x + dx, rect.y + dy);
+ }