forked from openkylin/kolourpaint
286 lines
7.4 KiB
C++
286 lines
7.4 KiB
C++
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/*
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Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
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Copyright (c) 2005 Kazuki Ohta <mover@hct.zaq.ne.jp>
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Copyright (c) 2010 Tasuku Suzuki <stasuku@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define DEBUG_KP_VIEW 0
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#define DEBUG_KP_VIEW_RENDERER ((DEBUG_KP_VIEW && 1) || 0)
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#include "views/kpView.h"
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#include "kpViewPrivate.h"
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#if DEBUG_KP_VIEW
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#include "kpLogCategories.h"
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#endif
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#include <QKeyEvent>
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#include <QMouseEvent>
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#include "tools/kpTool.h"
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//---------------------------------------------------------------------
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// protected virtual [base QWidget]
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void kpView::mouseMoveEvent (QMouseEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::mouseMoveEvent ("
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<< e->x () << "," << e->y () << ")"
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<< endl;
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#endif
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// TODO: This is wrong if you leaveEvent the mainView by mouseMoving on the
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// mainView, landing on top of the thumbnailView cleverly put on top
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// of the mainView.
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setHasMouse (rect ().contains (e->pos ()));
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if (tool ()) {
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tool ()->mouseMoveEvent (e);
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}
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e->accept ();
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}
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// protected virtual [base QWidget]
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void kpView::mousePressEvent (QMouseEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::mousePressEvent ("
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<< e->x () << "," << e->y () << ")"
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<< endl;
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#endif
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setHasMouse (true);
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if (tool ()) {
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tool ()->mousePressEvent (e);
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}
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e->accept ();
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}
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//---------------------------------------------------------------------
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// protected virtual [base QWidget]
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void kpView::mouseReleaseEvent (QMouseEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::mouseReleaseEvent ("
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<< e->x () << "," << e->y () << ")"
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<< endl;
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#endif
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setHasMouse (rect ().contains (e->pos ()));
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if (tool ()) {
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tool ()->mouseReleaseEvent (e);
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}
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e->accept ();
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}
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//---------------------------------------------------------------------
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// public virtual [base QWidget]
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void kpView::wheelEvent (QWheelEvent *e)
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{
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if (tool ()) {
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tool ()->wheelEvent (e);
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}
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}
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//---------------------------------------------------------------------
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// protected virtual [base QWidget]
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void kpView::keyPressEvent (QKeyEvent *e)
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{
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#if DEBUG_KP_VIEW
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::keyPressEvent()" << e->text();
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#endif
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if (tool ()) {
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tool ()->keyPressEvent (e);
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}
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e->accept ();
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}
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//---------------------------------------------------------------------
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// protected virtual [base QWidget]
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void kpView::keyReleaseEvent (QKeyEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::keyReleaseEvent()";
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#endif
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if (tool ()) {
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tool ()->keyReleaseEvent (e);
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}
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e->accept ();
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}
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//---------------------------------------------------------------------
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// protected virtual [base QWidget]
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void kpView::inputMethodEvent (QInputMethodEvent *e)
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{
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#if DEBUG_KP_VIEW && 1
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::inputMethodEvent()";
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#endif
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if (tool ()) {
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tool ()->inputMethodEvent (e);
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}
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e->accept ();
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}
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// protected virtual [base QWidget]
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bool kpView::event (QEvent *e)
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{
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#if DEBUG_KP_VIEW
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qCDebug(kpLogViews) << "kpView::event() invoking kpTool::event()";
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#endif
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if (tool () && tool ()->viewEvent (e))
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{
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#if DEBUG_KP_VIEW
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qCDebug(kpLogViews) << "\tkpView::event() - tool said eat event, ret true";
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#endif
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return true;
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}
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#if DEBUG_KP_VIEW
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qCDebug(kpLogViews) << "\tkpView::event() - no tool or said false, call QWidget::event()";
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#endif
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return QWidget::event (e);
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}
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// protected virtual [base QWidget]
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void kpView::focusInEvent (QFocusEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::focusInEvent()";
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#endif
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if (tool ()) {
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tool ()->focusInEvent (e);
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}
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}
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// protected virtual [base QWidget]
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void kpView::focusOutEvent (QFocusEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::focusOutEvent()";
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#endif
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if (tool ()) {
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tool ()->focusOutEvent (e);
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}
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}
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// protected virtual [base QWidget]
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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void kpView::enterEvent (QEnterEvent *e)
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#else
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void kpView::enterEvent (QEvent *e)
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#endif
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::enterEvent()";
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#endif
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// Don't call setHasMouse(true) as it displays the brush cursor (if
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// active) when dragging open a menu and then dragging
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// past the extents of the menu due to Qt sending us an EnterEvent.
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// We're already covered by MouseMoveEvent anyway.
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//
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// But disabling this causes a more serious problem: RMB on a text
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// box and Esc. We have no other reliable way to determine if the
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// mouse is still above the view (user could have moved mouse out
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// while RMB menu was up) and hence the cursor is not updated.
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setHasMouse (true);
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if (tool ()) {
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tool ()->enterEvent (e);
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}
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}
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// protected virtual [base QWidget]
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void kpView::leaveEvent (QEvent *e)
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{
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#if DEBUG_KP_VIEW && 0
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::leaveEvent()";
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#endif
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setHasMouse (false);
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if (tool ()) {
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tool ()->leaveEvent (e);
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}
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}
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// protected virtual [base QWidget]
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void kpView::dragEnterEvent (QDragEnterEvent *)
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{
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#if DEBUG_KP_VIEW && 1
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::dragEnterEvent()";
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#endif
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setHasMouse (true);
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}
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// protected virtual [base QWidget]
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void kpView::dragLeaveEvent (QDragLeaveEvent *)
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{
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#if DEBUG_KP_VIEW && 1
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::dragLeaveEvent";
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#endif
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setHasMouse (false);
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}
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// protected virtual [base QWidget]
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void kpView::resizeEvent (QResizeEvent *e)
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{
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#if DEBUG_KP_VIEW && 1
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qCDebug(kpLogViews) << "kpView(" << objectName () << ")::resizeEvent("
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<< e->size ()
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<< " vs actual=" << size ()
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<< ") old=" << e->oldSize () << endl;
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#endif
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QWidget::resizeEvent (e);
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emit sizeChanged (width (), height ());
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emit sizeChanged (size ());
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}
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