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on-monitor editing: show controls next to the edit monitor
[kdenlive] / src / monitoreditwidget.cpp
1 /***************************************************************************
2  *   Copyright (C) 2011 by Till Theato (root@ttill.de)                     *
3  *   This file is part of Kdenlive (www.kdenlive.org).                     *
4  *                                                                         *
5  *   Kdenlive is free software: you can redistribute it and/or modify      *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation, either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   Kdenlive is distributed in the hope that it will be useful,           *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with Kdenlive.  If not, see <http://www.gnu.org/licenses/>.     *
17  ***************************************************************************/
18
19
20 #include "monitoreditwidget.h"
21 #include "renderer.h"
22 #include "monitorscene.h"
23 #include "kdenlivesettings.h"
24
25 #include <QGraphicsView>
26 #include <QVBoxLayout>
27 #include <QAction>
28
29 #include <KIcon>
30
31 MonitorEditWidget::MonitorEditWidget(Render* renderer, QWidget* parent) :
32         QWidget(parent)
33 {
34     m_ui.setupUi(this);
35
36     m_scene = new MonitorScene(renderer);
37     m_view = new QGraphicsView(m_scene, m_ui.frameVideo);
38     m_view->setRenderHints(QFlags<QPainter::RenderHint>());
39     m_view->scale(((double) renderer->renderWidth()) / renderer->frameRenderWidth(), 1.0);
40     m_view->setMouseTracking(true);
41     m_scene->setUp();
42
43     ((QVBoxLayout*)m_ui.frameVideo->layout())->addWidget(m_view);
44
45     m_customControlsLayout = static_cast<QVBoxLayout *>(m_ui.frameCustomControls->layout());
46
47     m_visibilityAction = new QAction(KIcon("video-display"), i18n("Show/Hide edit mode"), this);
48     m_visibilityAction->setCheckable(true);
49     m_visibilityAction->setVisible(false);
50
51     m_ui.buttonDirectUpdate->setIcon(KIcon("transform-scale"));
52     m_ui.buttonDirectUpdate->setToolTip(i18n("Update parameters while monitor scene changes"));
53     m_ui.buttonDirectUpdate->setChecked(KdenliveSettings::monitorscene_directupdate());
54
55     m_ui.buttonZoomFit->setIcon(KIcon("zoom-fit-best"));
56     m_ui.buttonZoomFit->setToolTip(i18n("Fit zoom to monitor size"));
57     m_ui.buttonZoomOriginal->setIcon(KIcon("zoom-original"));
58     m_ui.buttonZoomOriginal->setToolTip(i18n("Original size"));
59
60     connect(m_ui.sliderZoom, SIGNAL(valueChanged(int)), m_scene, SLOT(slotZoom(int)));
61     connect(m_scene, SIGNAL(zoomChanged(int)), m_ui.sliderZoom, SLOT(setValue(int)));
62     connect(m_ui.buttonZoomFit,      SIGNAL(clicked()), m_scene, SLOT(slotZoomFit()));
63     connect(m_ui.buttonZoomOriginal, SIGNAL(clicked()), m_scene, SLOT(slotZoomOriginal()));
64     m_scene->slotZoomFit();
65
66     connect(m_visibilityAction, SIGNAL(triggered(bool)), this, SIGNAL(showEdit(bool)));
67     connect(m_ui.buttonDirectUpdate, SIGNAL(toggled(bool)), this, SLOT(slotSetDirectUpdate(bool)));
68 }
69
70 MonitorEditWidget::~MonitorEditWidget()
71 {
72     delete m_view;
73     delete m_scene;
74     delete m_visibilityAction;
75 }
76
77 void MonitorEditWidget::resetProfile(Render* renderer)
78 {
79     m_view->scale(((double) renderer->renderWidth()) / renderer->frameRenderWidth(), 1.0);
80     m_scene->resetProfile();
81 }
82
83 MonitorScene* MonitorEditWidget::getScene()
84 {
85     return m_scene;
86 }
87
88 QAction* MonitorEditWidget::getVisibilityAction()
89 {
90     return m_visibilityAction;
91 }
92
93 void MonitorEditWidget::showVisibilityButton(bool show)
94 {
95     m_visibilityAction->setVisible(show);
96 }
97
98 void MonitorEditWidget::addCustomControl(QWidget* widget)
99 {
100     m_customControlsLayout->addWidget(widget);
101 }
102
103 void MonitorEditWidget::removeCustomControls()
104 {
105     QLayoutItem *child;
106     while ((child = m_customControlsLayout->takeAt(0)) != 0)
107         delete child;
108 }
109
110 void MonitorEditWidget::slotSetDirectUpdate(bool directUpdate)
111 {
112     KdenliveSettings::setMonitorscene_directupdate(directUpdate);
113 }
114
115 #include "monitoreditwidget.moc"