]> git.sesse.net Git - kdenlive/blob - src/monitoreditwidget.cpp
Fix Coverity #980696
[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 "onmonitoritems/onmonitorrectitem.h"
26 #include "onmonitoritems/onmonitorpathitem.h"
27
28 #include <QGraphicsView>
29 #include <QVBoxLayout>
30 #include <QAction>
31 #include <QToolButton>
32 #include <QMouseEvent>
33
34 #include <KIcon>
35
36
37 MonitorEditWidget::MonitorEditWidget(Render* renderer, QWidget* parent) :
38         QWidget(parent)
39 {
40     setAutoFillBackground(true);
41     setAttribute(Qt::WA_PaintOnScreen, false);
42     setAttribute(Qt::WA_OpaquePaintEvent, false);
43     setContentsMargins(0, 0, 0, 0);
44     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
45     m_ui.setupUi(this);
46     m_scene = new MonitorScene(renderer);
47     m_view = new QGraphicsView(m_scene, m_ui.frameVideo);
48     m_view->setFrameShape(QFrame::NoFrame);
49     //m_view->setRenderHints(QFlags<QPainter::RenderHint>());
50     m_view->scale(((double) renderer->renderWidth()) / renderer->frameRenderWidth(), 1.0);
51     m_view->setMouseTracking(true);
52     m_scene->setUp();
53
54     ((QVBoxLayout*)m_ui.frameVideo->layout())->addWidget(m_view);
55
56     m_customControlsLayout = new QVBoxLayout(m_ui.frameCustomControls);
57     m_customControlsLayout->setContentsMargins(0, 4, 0, 4);
58     m_customControlsLayout->setSpacing(0);
59
60     m_visibilityAction = new QAction(KIcon("video-display"), i18n("Show/Hide edit mode"), this);
61     m_visibilityAction->setCheckable(true);
62     m_visibilityAction->setChecked(KdenliveSettings::showOnMonitorScene());
63     m_visibilityAction->setVisible(false);
64
65     m_ui.buttonDirectUpdate->setIcon(KIcon("transform-scale"));
66     m_ui.buttonDirectUpdate->setToolTip(i18n("Update parameters while monitor scene changes"));
67     m_ui.buttonDirectUpdate->setChecked(KdenliveSettings::monitorscene_directupdate());
68
69     m_ui.buttonZoomFit->setIcon(KIcon("zoom-fit-best"));
70     m_ui.buttonZoomFit->setToolTip(i18n("Fit zoom to monitor size"));
71     m_ui.buttonZoomOriginal->setIcon(KIcon("zoom-original"));
72     m_ui.buttonZoomOriginal->setToolTip(i18n("Original size"));
73
74     connect(m_ui.sliderZoom, SIGNAL(valueChanged(int)), m_scene, SLOT(slotZoom(int)));
75     connect(m_scene, SIGNAL(zoomChanged(int)), this, SLOT(slotZoom(int)));
76     connect(m_ui.buttonZoomFit,      SIGNAL(clicked()), m_scene, SLOT(slotZoomFit()));
77     connect(m_ui.buttonZoomOriginal, SIGNAL(clicked()), m_scene, SLOT(slotZoomOriginal()));
78     m_scene->slotZoomFit();
79
80     connect(m_visibilityAction, SIGNAL(triggered(bool)), this, SIGNAL(showEdit(bool)));
81     connect(m_ui.buttonDirectUpdate, SIGNAL(toggled(bool)), this, SLOT(slotSetDirectUpdate(bool)));
82 }
83
84 MonitorEditWidget::~MonitorEditWidget()
85 {
86     KdenliveSettings::setShowOnMonitorScene(m_visibilityAction->isChecked());
87     delete m_view;
88     delete m_scene;
89     delete m_visibilityAction;
90 }
91
92 void MonitorEditWidget::slotZoom(int value)
93 {
94     m_ui.sliderZoom->blockSignals(true);
95     m_ui.sliderZoom->setValue(value);
96     m_ui.sliderZoom->blockSignals(false);
97 }
98
99 void MonitorEditWidget::resetProfile(Render* renderer)
100 {
101     m_view->scale(((double) renderer->renderWidth()) / renderer->frameRenderWidth(), 1.0);
102     m_scene->resetProfile();
103 }
104
105 MonitorScene* MonitorEditWidget::getScene()
106 {
107     return m_scene;
108 }
109
110 QAction* MonitorEditWidget::getVisibilityAction()
111 {
112     return m_visibilityAction;
113 }
114
115 void MonitorEditWidget::showVisibilityButton(bool show)
116 {
117     m_visibilityAction->setVisible(show);
118 }
119
120 void MonitorEditWidget::addCustomControl(QWidget* widget)
121 {
122     m_customControlsLayout->addWidget(widget);
123 }
124
125 void MonitorEditWidget::addCustomButton(const QIcon& icon, const QString& text, const QObject* receiver, const char* member, bool checkable, bool checked)
126 {
127     QToolButton *button = new QToolButton(m_ui.frameCustomControls);
128     button->setIcon(icon);
129     button->setToolTip(text);
130     button->setCheckable(checkable);
131     button->setChecked(checked);
132     button->setAutoRaise(true);
133     if (checkable)
134         connect(button, SIGNAL(toggled(bool)), receiver, member);
135     else
136         connect(button, SIGNAL(clicked()), receiver, member);
137     m_customControlsLayout->addWidget(button);
138 }
139
140 void MonitorEditWidget::removeCustomControls()
141 {
142     QLayoutItem *child;
143     while ((child = m_customControlsLayout->takeAt(0)) != 0) {
144         if (child->widget()) delete child->widget();
145         delete child;
146     }
147 }
148
149 void MonitorEditWidget::slotSetDirectUpdate(bool directUpdate)
150 {
151     KdenliveSettings::setMonitorscene_directupdate(directUpdate);
152 }
153
154 #include "monitoreditwidget.moc"