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Diffstat (limited to 'plugingui/eventhandler.cc')
| -rw-r--r-- | plugingui/eventhandler.cc | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/plugingui/eventhandler.cc b/plugingui/eventhandler.cc deleted file mode 100644 index fd333b8..0000000 --- a/plugingui/eventhandler.cc +++ /dev/null @@ -1,297 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * eventhandler.cc - * - * Sun Oct 9 18:58:29 CEST 2011 - * Copyright 2011 Bent Bisballe Nyeng - * deva@aasimon.org - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * DrumGizmo is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include "eventhandler.h" - -#include "window.h" -#include "painter.h" -#include "dialog.h" - -namespace GUI -{ - -EventHandler::EventHandler(NativeWindow& nativeWindow, Window& window) - : window(window) - , nativeWindow(nativeWindow) - , lastWasDoubleClick(false) -{} - -bool EventHandler::hasEvent() -{ - return !events.empty(); -} - -bool EventHandler::queryNextEventType(EventType type) -{ - return !events.empty() && - (events.front()->type() == type); -} - -std::shared_ptr<Event> EventHandler::getNextEvent() -{ - if(events.empty()) - { - return nullptr; - } - - auto event = events.front(); - events.pop_front(); - return event; -} - -void EventHandler::processEvents() -{ - bool block_interaction{false}; - for(auto dialog : dialogs) - { - // Check if the dialog nativewindow (not the contained widget) is visible - if(dialog->native->visible()) - { - block_interaction |= dialog->isModal(); - dialog->eventHandler()->processEvents(); - } - } - - events = nativeWindow.getEvents(); - - while(hasEvent()) - { - auto event = getNextEvent(); - - if(event == nullptr) - { - continue; - } - - switch(event->type()) { - case EventType::repaint: - break; - - case EventType::move: - { - auto moveEvent = static_cast<MoveEvent*>(event.get()); - window.moved(moveEvent->x, moveEvent->y); - } - break; - - case EventType::resize: - { - auto resizeEvent = static_cast<ResizeEvent*>(event.get()); - if((resizeEvent->width != window.width()) || - (resizeEvent->height != window.height())) - { - window.resized(resizeEvent->width, resizeEvent->height); - } - } - break; - - case EventType::mouseMove: - { - // Skip all consecutive mouse move events and handle only the last one. - while(queryNextEventType(EventType::mouseMove)) - { - event = getNextEvent(); - } - - auto moveEvent = static_cast<MouseMoveEvent*>(event.get()); - - auto widget = window.find(moveEvent->x, moveEvent->y); - auto oldwidget = window.mouseFocus(); - if(widget != oldwidget) - { - // Send focus leave to oldwidget - if(oldwidget) - { - oldwidget->mouseLeaveEvent(); - } - - // Send focus enter to widget - if(widget) - { - widget->mouseEnterEvent(); - } - - window.setMouseFocus(widget); - } - - if(window.buttonDownFocus()) - { - auto widget = window.buttonDownFocus(); - moveEvent->x -= widget->translateToWindowX(); - moveEvent->y -= widget->translateToWindowY(); - - window.buttonDownFocus()->mouseMoveEvent(moveEvent); - break; - } - - if(widget) - { - moveEvent->x -= widget->translateToWindowX(); - moveEvent->y -= widget->translateToWindowY(); - widget->mouseMoveEvent(moveEvent); - } - } - break; - - case EventType::button: - { - if(block_interaction) - { - continue; - } - - auto buttonEvent = static_cast<ButtonEvent*>(event.get()); - if(lastWasDoubleClick && (buttonEvent->direction == Direction::down)) - { - lastWasDoubleClick = false; - continue; - } - - lastWasDoubleClick = buttonEvent->doubleClick; - - auto widget = window.find(buttonEvent->x, buttonEvent->y); - - if(window.buttonDownFocus()) - { - if(buttonEvent->direction == Direction::up) - { - auto widget = window.buttonDownFocus(); - buttonEvent->x -= widget->translateToWindowX(); - buttonEvent->y -= widget->translateToWindowY(); - - widget->buttonEvent(buttonEvent); - window.setButtonDownFocus(nullptr); - break; - } - } - - if(widget) - { - buttonEvent->x -= widget->translateToWindowX(); - buttonEvent->y -= widget->translateToWindowY(); - - widget->buttonEvent(buttonEvent); - - if((buttonEvent->direction == Direction::down) && - widget->catchMouse()) - { - window.setButtonDownFocus(widget); - } - - if(widget->isFocusable()) - { - window.setKeyboardFocus(widget); - } - } - } - break; - - case EventType::scroll: - { - if(block_interaction) - { - continue; - } - - auto scrollEvent = static_cast<ScrollEvent*>(event.get()); - - auto widget = window.find(scrollEvent->x, scrollEvent->y); - if(widget) - { - scrollEvent->x -= widget->translateToWindowX(); - scrollEvent->y -= widget->translateToWindowY(); - - widget->scrollEvent(scrollEvent); - } - } - break; - - case EventType::key: - { - if(block_interaction) - { - continue; - } - - // TODO: Filter out multiple arrow events. - - auto keyEvent = static_cast<KeyEvent*>(event.get()); - if(window.keyboardFocus()) - { - window.keyboardFocus()->keyEvent(keyEvent); - } - } - break; - - case EventType::close: - if(block_interaction) - { - continue; - } - - closeNotifier(); - break; - - case EventType::mouseEnter: - { - auto enterEvent = static_cast<MouseEnterEvent*>(event.get()); - auto widget = window.find(enterEvent->x, enterEvent->y); - if(widget) - { - widget->mouseEnterEvent(); - } - } - break; - - case EventType::mouseLeave: - { - auto widget = window.mouseFocus(); - if(widget) - { - widget->mouseLeaveEvent(); - } - } - break; - } - } - - // Probe window and children to redraw as needed. - // NOTE: This method will invoke native->redraw() if a redraw is needed. - window.updateBuffer(); -} - -void EventHandler::registerDialog(Dialog* dialog) -{ - dialogs.push_back(dialog); -} - -void EventHandler::unregisterDialog(Dialog* dialog) -{ - dialogs.remove(dialog); -} - - -} // GUI:: |