int Panel::handle(int e) {
switch(e) {
case FL_PUSH:
clicked = Fl::belowmouse();
if(clicked == this)
clicked = 0;
else if(clicked && clicked->takesevents())
clicked->handle(e);
/* record push position for possible child drag */
sx = Fl::event_x();
sy = Fl::event_y();
return 1;
case FL_DRAG: {
if(!can_drag) return 1;
/* are moving the panel; only vertical moving is supported */
cursor(FL_CURSOR_MOVE);
/* snap it to the top or bottom, depending on pressed mouse location */
if(Fl::event_y_root() <= screen_h_half && y() > screen_h_half) {
position(x(), screen_y);
if(width_perc >= 100)
netwm_window_set_strut(fl_xid(this), 0, 0, h(), 0);
vpos = PANEL_POSITION_TOP;
}
if(Fl::event_y_root() > screen_h_half && y() < screen_h_half) {
position(x(), screen_h - h());
if(width_perc >= 100)
netwm_window_set_strut(fl_xid(this), 0, 0, 0, h());
vpos = PANEL_POSITION_BOTTOM;
}
return 1;
}
case FL_RELEASE:
cursor(FL_CURSOR_DEFAULT);
if(clicked && clicked->takesevents()) {
clicked->handle(e);
clicked = 0;
}
return 1;
case FL_KEYBOARD:
/* do not quit on Esc key */
if(Fl::event_key() == FL_Escape)
return 1;
/* fallthrough */
}
return Fl_Window::handle(e);
}
void Panel::show(void) {
if(shown()) {
Fl_Window::show();
return;
}
int X, Y, W, H;
fl_open_display();
/*
* hush known FLTK bug with XGetImage; a lot of errors will be print when menu icons goes
* outside screen; this also make ede-panel, at some point, unresponsible
*/
XSetErrorHandler((XErrorHandler) xerror_handler);
/* position it */
if(!netwm_workarea_get_size(X, Y, W, H))
Fl::screen_xywh(X, Y, W, H);
screen_x = X;
screen_y = Y;
screen_w = W;
screen_h = H;
screen_h_half = screen_h / 2;
/* calculate panel percentage width if given */
if(width_perc < 100) {
W = (width_perc * screen_w) / 100;
X = (screen_w / 2) - (W / 2);
}
/* set size as soon as possible, since do_layout() depends on it */
size(W, DEFAULT_PANEL_H);
do_layout();
window_xid_create(this, make_me_dock);
/* position it, this is done after XID was created */
if(vpos == PANEL_POSITION_BOTTOM) {
position(X, screen_h - h());
if(width_perc >= 100)
netwm_window_set_strut(fl_xid(this), 0, 0, 0, h());
} else {
/* FIXME: this does not work well with edewm (nor pekwm). kwin do it correctly. */
position(X, Y);
if(width_perc >= 100)
netwm_window_set_strut(fl_xid(this), 0, 0, h(), 0);
}
}
/* TODO: can be better */
void Panel::apply_struts(bool apply) {
if(!(width_perc >= 100)) return;
int bottom = 0, top = 0;
if(vpos == PANEL_POSITION_TOP)
top = !apply ? 1 : h();
else
bottom = !apply ? 1 : h();
netwm_window_set_strut(fl_xid(this), 0, 0, top, bottom);
}
void Panel::set_strut(short state) {
if(state & PANEL_STRUT_REMOVE)
netwm_window_remove_strut(fl_xid(this));
/* no other flags */
if(state == PANEL_STRUT_REMOVE) return;
int sizes[4] = {0, 0, 0, 0};
if(state & PANEL_STRUT_BOTTOM)
sizes[3] = h();
else
sizes[2] = h();
/* TODO: netwm_window_set_strut_partial() */
netwm_window_set_strut(fl_xid(this), sizes[0], sizes[1], sizes[2], sizes[3]);
}
