krita
kis_tool_dummy.cc
00001 /* 00002 * Copyright (c) 2004 Adrian Page <adrian@pagenet.plus.com> 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00017 */ 00018 00019 #include <qwidget.h> 00020 #include <qstring.h> 00021 #include <kaction.h> 00022 #include <qlabel.h> 00023 00024 #include <kaction.h> 00025 #include <klocale.h> 00026 00027 #include "kis_canvas_controller.h" 00028 #include "kis_canvas_subject.h" 00029 #include "kis_cursor.h" 00030 #include "kis_tool_dummy.h" 00031 #include "kis_button_press_event.h" 00032 #include "kis_button_release_event.h" 00033 #include "kis_move_event.h" 00034 00035 KisToolDummy::KisToolDummy() 00036 : super(i18n("No Active Tool")) 00037 { 00038 setName("tool_dummy"); 00039 m_subject = 0; 00040 m_dragging = false; 00041 m_optionWidget = 0; 00042 setCursor(QCursor::forbiddenCursor); 00043 } 00044 00045 KisToolDummy::~KisToolDummy() 00046 { 00047 } 00048 00049 void KisToolDummy::update(KisCanvasSubject *subject) 00050 { 00051 m_subject = subject; 00052 super::update(m_subject); 00053 } 00054 00055 void KisToolDummy::buttonPress(KisButtonPressEvent *e) 00056 { 00057 if (m_subject && !m_dragging && e->button() == Qt::LeftButton) { 00058 KisCanvasController *controller = m_subject->canvasController(); 00059 00060 m_origScrollX = controller->horzValue(); 00061 m_origScrollY = controller->vertValue(); 00062 m_dragPos = controller->windowToView(e->pos()); 00063 m_dragging = true; 00064 } 00065 } 00066 00067 void KisToolDummy::move(KisMoveEvent *e) 00068 { 00069 if (m_subject && m_dragging) { 00070 KisCanvasController *controller = m_subject->canvasController(); 00071 00072 KisPoint currPos = controller->windowToView(e->pos()); 00073 KisPoint delta = currPos - m_dragPos; 00074 controller->scrollTo(m_origScrollX - delta.floorX(), m_origScrollY - delta.floorY()); 00075 } 00076 } 00077 00078 void KisToolDummy::buttonRelease(KisButtonReleaseEvent *e) 00079 { 00080 if (m_subject && m_dragging && e->button() == Qt::LeftButton) { 00081 m_dragging = false; 00082 } 00083 } 00084 00085 void KisToolDummy::setup(KActionCollection *collection) 00086 { 00087 m_action = static_cast<KRadioAction *>(collection->action(name())); 00088 00089 if (m_action == 0) { 00090 m_action = new KRadioAction(i18n("&Dummy"), "tool_dummy", Qt::SHIFT+Qt::Key_H, this, SLOT(activate()), collection, name()); 00091 m_action->setExclusiveGroup("tools"); 00092 m_ownAction = true; 00093 } 00094 } 00095 00096 00097 QWidget* KisToolDummy::createOptionWidget(QWidget* parent) 00098 { 00099 m_optionWidget = new QLabel(i18n("Layer is locked or invisible."), parent); 00100 m_optionWidget->setCaption(i18n("No Active Tool")); 00101 m_optionWidget->setAlignment(Qt::AlignCenter); 00102 return m_optionWidget; 00103 } 00104 00105 QWidget* KisToolDummy::optionWidget() 00106 { 00107 return m_optionWidget; 00108 } 00109 00110 00111 #include "kis_tool_dummy.moc"
