File indexing completed on 2024-12-08 13:18:52

 /*
    SPDX-FileCopyrightText: 1999-2001 Lubos Lunak <l.lunak@kde.org>
    SPDX-FileCopyrightText: 2008 Michael Jansen <kde@michael-jansen.biz>
 
    SPDX-License-Identifier: LGPL-2.0-only
 */
 
 #include "action_data/action_data.h"
 #include "triggers/triggers.h"
 #include "windows_handler.h"
 #include "windows_helper/window_selection_list.h"
 
 #include <KConfig>
 #include <KConfigGroup>
 #include <QDebug>
 
 #include <X11/X.h>
 
 namespace KHotKeys
 {
 WindowTriggerVisitor::~WindowTriggerVisitor()
 {
 }
 
 WindowTrigger::WindowTrigger(ActionData *data_P, Windowdef_list *windows_P, WindowEvents window_actions_P)
     : Trigger(data_P)
     , _windows(windows_P)
     , window_actions(window_actions_P)
     , existing_windows()
     , last_active_window(None)
     , active(true)
 {
     if (!_windows) {
         _windows = new Windowdef_list("Windowdef_list comment");
     }
 
     Q_ASSERT(_windows->isEmpty());
     init();
 }
 
 WindowTrigger::~WindowTrigger()
 {
     //    qDebug() << "~WindowTrigger :" << this;
     disconnect(windows_handler, nullptr, this, nullptr);
     delete _windows;
 }
 
 void WindowTrigger::accept(TriggerVisitor &visitor)
 {
     if (WindowTriggerVisitor *v = dynamic_cast<WindowTriggerVisitor *>(&visitor)) {
         v->visit(*this);
     } else {
         qDebug() << "Visitor error";
     }
 }
 
 void WindowTrigger::init()
 {
     qDebug() << "WindowTrigger::init()";
     disconnect(windows_handler, nullptr, this, nullptr);
     connect(windows_handler, SIGNAL(window_added(WId)), this, SLOT(window_added(WId)));
     connect(windows_handler, SIGNAL(window_removed(WId)), this, SLOT(window_removed(WId)));
     if (window_actions & (WINDOW_ACTIVATES | WINDOW_DEACTIVATES /*| WINDOW_DISAPPEARS*/))
         connect(windows_handler, SIGNAL(active_window_changed(WId)), this, SLOT(active_window_changed(WId)));
     // clang-format off
     connect(windows_handler, SIGNAL(window_changed(WId,uint)), this, SLOT(window_changed(WId,uint)));
     // clang-format on
 }
 
 void WindowTrigger::activate(bool activate_P)
 {
     active = activate_P;
 }
 
 void WindowTrigger::active_window_changed(WId window_P)
 {
     if (!existing_windows.contains(window_P)) {
         existing_windows[window_P] = windows()->match(Window_data(window_P));
     }
 
     if (!active || !khotkeys_active()) {
         // We still keep track of the last active window so we have valid data
         // if khotkeys is switched on again.
         last_active_window = window_P;
         return;
     }
 
     // Check if the last active window was a match for us
     bool was_match = existing_windows.contains(last_active_window) ? existing_windows[last_active_window] : false;
 
     if (was_match && (window_actions & WINDOW_DEACTIVATES)) {
         windows_handler->set_action_window(window_P);
         data->execute();
     }
 
     if (existing_windows[window_P] && (window_actions & WINDOW_ACTIVATES)) {
         qDebug() << "Executing data";
         windows_handler->set_action_window(window_P);
         data->execute();
     }
 
     last_active_window = window_P;
 }
 
 void WindowTrigger::cfg_write(KConfigGroup &cfg_P) const
 {
     base::cfg_write(cfg_P);
     KConfigGroup windowsConfig(cfg_P.config(), cfg_P.name() + "Windows");
     if (windows()) {
         windows()->cfg_write(windowsConfig);
     }
     cfg_P.writeEntry("WindowActions", static_cast<int>(window_actions));
     cfg_P.writeEntry("Type", "WINDOW"); // overwrites value set in base::cfg_write()
 }
 
 const QString WindowTrigger::description() const
 {
     return i18n("Window trigger: ") + windows()->comment();
 }
 
 void WindowTrigger::setOnWindowEvents(WindowEvents events)
 {
     window_actions = events;
     init();
 }
 
 void WindowTrigger::set_window_rules(Windowdef_list *list)
 {
     delete _windows;
     _windows = list;
 }
 
 bool WindowTrigger::triggers_on(window_action_t w_action_P) const
 {
     return window_actions & w_action_P;
 }
 
 void WindowTrigger::window_added(WId window_P)
 {
     // Always keep track of windows,
     existing_windows[window_P] = windows()->match(Window_data(window_P));
 
     if (!active || !khotkeys_active()) {
         return;
     }
 
     if (existing_windows[window_P] && (window_actions & WINDOW_APPEARS)) {
         windows_handler->set_action_window(window_P);
         data->execute();
     }
 }
 
 void WindowTrigger::window_removed(WId window_P)
 {
     // Always keep track of windows,
     bool matches = false;
     if (existing_windows.contains(window_P)) {
         matches = existing_windows[window_P];
         existing_windows.remove(window_P);
     }
 
     if (!active || !khotkeys_active()) {
         return;
     }
 
     if (matches && (window_actions & WINDOW_DISAPPEARS)) {
         windows_handler->set_action_window(window_P);
         data->execute();
     }
 }
 
 void WindowTrigger::window_changed(WId window_P, unsigned int dirty_P)
 {
     if (!(dirty_P & (NET::WMName | NET::WMWindowType)))
         return;
 
     // Check if the old state was a match
     bool was_match = false;
     if (existing_windows.contains(window_P))
         was_match = existing_windows[window_P];
 
     // Check if the new state is a match
     bool matches = windows()->match(Window_data(window_P));
     existing_windows[window_P] = matches;
 
     if (!active || !khotkeys_active()) {
         return;
     }
 
     if (matches && !was_match) {
         if (window_actions & WINDOW_APPEARS) {
             windows_handler->set_action_window(window_P);
             data->execute();
         } else if (window_actions & WINDOW_ACTIVATES && window_P == windows_handler->active_window()) {
             windows_handler->set_action_window(window_P);
             data->execute();
         }
     }
 }
 
 const Windowdef_list *WindowTrigger::windows() const
 {
     return _windows;
 }
 
 Windowdef_list *WindowTrigger::windows()
 {
     return _windows;
 }
 
 WindowTrigger *WindowTrigger::copy(ActionData *data_P) const
 {
     WindowTrigger *ret = new WindowTrigger(data_P ? data_P : data, windows()->copy(), window_actions);
     ret->existing_windows = existing_windows; // CHECKME je tohle vazne treba ?
     return ret;
 }
 
 } // namespace KHotKeys