TaskApplet::TaskApplet(AppletInfo* info, QWidget* parent):
Applet(info, parent),
layout_(new QBoxLayout(QBoxLayout::LeftToRight)),
buttonGroup_(new QButtonGroup()),
widget_(new QWidget(parent)) {
layout_->setContentsMargins(0, 0, 0, 0);
layout_->setMargin(0);
layout_->setSpacing(1);
layout_->addStretch(1);
widget_->setLayout(layout_);
Window active = xfitMan().getActiveWindow();
QList<TaskInfo*> tasks = taskManager_.tasks();
Q_FOREACH(TaskInfo* task, tasks) {
if(task->showInTaskbar()) {
TaskButton* button = addButton(task);
if(task->window() == active)
button->setChecked(true);
}
}
connect(&taskManager_, SIGNAL(taskAdded(TaskInfo*)), SLOT(onTaskAdded(TaskInfo*)));
connect(&taskManager_, SIGNAL(taskRemoved(TaskInfo*)), SLOT(onTaskRemoved(TaskInfo*)));
connect(&taskManager_, SIGNAL(taskChanged(TaskInfo*,TaskInfo::ChangeType)), SLOT(onTaskChanged(TaskInfo*,TaskInfo::ChangeType)));
connect(&taskManager_, SIGNAL(activeChanged(TaskInfo*)), SLOT(onActiveChanged(TaskInfo*)));
connect(buttonGroup_, SIGNAL(buttonClicked(QAbstractButton*)), SLOT(onButtonClicked(QAbstractButton*)));
}
static void maximize_cb(Fl_Widget*, void *b) {
TaskButton *bb = (TaskButton*)b;
netwm_window_set_active(bb->get_window_xid(), 1);
netwm_window_set_state(bb->get_window_xid(), NETWM_STATE_MAXIMIZED, NETWM_STATE_ACTION_TOGGLE);
redraw_whole_panel(bb);
}
void Taskbar::update_child_title(Window xid) {
E_RETURN_IF_FAIL(xid >= 0);
TaskButton *o;
for(int i = 0; i < children(); i++) {
o = (TaskButton*)child(i);
if(o->get_window_xid() == xid) {
o->update_title_from_xid();
break;
}
}
}
void Taskbar::create_task_buttons(void) {
/* erase all current elements */
if(children())
clear();
/* also current/prev storage */
curr_active = prev_active = NULL;
/* redraw it, in case no windows exists in this workspace */
panel_redraw();
Window *wins;
int nwins = netwm_get_mapped_windows(&wins);
if(nwins > 0) {
TaskButton *b;
int curr_workspace = netwm_get_current_workspace();
char *title;
for(int i = 0; i < nwins; i++) {
if(!netwm_manageable_window(wins[i]))
continue;
/*
* show window per workspace
* TODO: allow showing all windows in each workspace
*/
if(curr_workspace == netwm_get_window_workspace(wins[i])) {
b = new TaskButton(0, 0, DEFAULT_CHILD_W, 25);
b->set_window_xid(wins[i]);
b->update_title_from_xid();
/*
* catch the name changes
* TODO: put this in Netwm.{h,cpp}
*/
XSelectInput(fl_display, wins[i], PropertyChangeMask | StructureNotifyMask);
b->callback((Fl_Callback*)button_cb, this);
add(b);
}
}
XFree(wins);
}
layout_children();
update_active_button();
}
void Taskbar::update_active_button(int xid) {
if(!children())
return;
if(xid == -1) {
xid = netwm_get_active_window();
/* TODO: make sure panel does not get 'active', or all buttons will be FL_UP_BOX */
}
TaskButton *o;
for(int i = 0; i < children(); i++) {
o = (TaskButton*)child(i);
if(o->get_window_xid() == xid)
o->box(FL_DOWN_BOX);
else
o->box(FL_UP_BOX);
}
redraw();
}
static void minimize_cb(Fl_Widget*, void *b) {
TaskButton *bb = (TaskButton*)b;
/* WM_WINDOW_STATE_ICONIC is safer on other window managers than NETWM_STATE_HIDDEN */
wm_window_set_state(bb->get_window_xid(), WM_WINDOW_STATE_ICONIC);
}
static void restore_cb(Fl_Widget*, void *b) {
TaskButton *bb = (TaskButton*)b;
netwm_window_set_active(bb->get_window_xid(), 1);
redraw_whole_panel(bb);
}
static void close_cb(Fl_Widget*, void *b) {
TaskButton *bb = (TaskButton*)b;
netwm_window_close(bb->get_window_xid());
/* no need to redraw whole panel since taskbar elements are recreated again */
}
void TaskBar::add_new_task(Window w)
{
// Add to Fl_WM module handled windows.
Fl_WM::handle_window(w);
TaskButton *b;
char *name = 0;
Fl_Image *icon = 0;
if (!w) return;
begin();
b = new TaskButton(w);
bool ret = Fl_WM::get_window_icontitle(w, name);
if(!ret || !name) ret = Fl_WM::get_window_title(w, name);
if(ret && name) {
b->label(name);
b->tooltip(name);
free(name);
} else {
b->label("...");
b->tooltip("...");
}
if(Fl_WM::get_window_icon(w, icon, 16, 16)) {
b->image(icon);
} else {
b->image(default_icon);
}
b->accept_focus(false);
b->align(FL_ALIGN_LEFT | FL_ALIGN_INSIDE | FL_ALIGN_CLIP);
if(Fl_WM::get_active_window()==w) {
b->value(1);
active = w;
}
if(GetState(w) == IconicState)
b->label_color(fl_inactive(FL_BLACK));
end();
}