Developer Documentation

SnapshotDialog.cc
1 /*===========================================================================*\
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40 \*===========================================================================*/
41
42
43
44 #include "SnapshotDialog.hh"
45 #include <OpenFlipper/common/GlobalOptions.hh>
46
47 #include <QMessageBox>
48 #include <QFileDialog>
49
50 SnapshotDialog::SnapshotDialog(QString _suggest, bool _captureViewers, int _w, int _h, QWidget *parent)
51 : QDialog(parent),
52 captureViewers_(_captureViewers),
53 aspect_((double)_w / (double)_h),
54 blockSpinBox_(false)
55 {
56 setupUi(this);
57
58 filename->setText( _suggest );
59
60 // Disable 'change resolution' button if
61 // in viewer snapshot mode
62 multisampling->setChecked(captureViewers_);
63 changeRes_wdgt->setVisible(!captureViewers_);
64 changeRes_pb->setEnabled(!captureViewers_);
65 transparent->setDisabled(!captureViewers_);
66 hideCoordsys->setDisabled(!captureViewers_);
67 multisampling->setDisabled(!captureViewers_);
68 num_samples->setDisabled(!captureViewers_);
69
70 snapWidth->setValue(_w);
71 snapHeight->setValue(_h);
72
73 warning_lb->setText("");
74
75 // Load button states
76 loadStates();
77
78 if (keepAspect->isChecked()) {
79 snapHeight->setValue((int)((double)snapWidth->value() / aspect_));
80 }
81
82 connect(snapWidth, SIGNAL(valueChanged(int)), this, SLOT(snapWidthChanged(int)) );
83 connect(snapHeight, SIGNAL(valueChanged(int)), this, SLOT(snapHeightChanged(int)) );
84 connect(keepAspect, SIGNAL(stateChanged(int)), this, SLOT(keepAspectChanged()) );
85 connect(multisampling, SIGNAL(stateChanged(int)), this, SLOT(multisampleChanged()) );
86
87 connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()) );
88 connect(findButton, SIGNAL(clicked()), this, SLOT(findFile()) );
89 connect(changeRes_pb, SIGNAL(clicked()), this, SLOT(slotChangeResolution()) );
90 connect(okButton, SIGNAL(clicked()), this, SLOT(slotOk()) );
91
92 connect(filename, SIGNAL(textChanged(const QString &)), this, SLOT(filenameChanged(const QString &)));
93 }
94
95 void SnapshotDialog::saveStates() {
96
97 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/SnapWidth", snapWidth->value());
98 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/SnapHeight", snapHeight->value());
99 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/KeepAspect", keepAspect->isChecked());
100 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/Transparent", transparent->isChecked());
101 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/HideCoordsys", hideCoordsys->isChecked());
102 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/Multisampling", multisampling->isChecked());
103 OpenFlipperSettings().setValue( "Viewer/SnapshotDialog/NumSamples", num_samples->value());
104 }
105
106 void SnapshotDialog::loadStates() {
107
108 snapWidth->setValue( OpenFlipperSettings().value( "Viewer/SnapshotDialog/SnapWidth", snapWidth->value()).toInt());
109 snapHeight->setValue( OpenFlipperSettings().value( "Viewer/SnapshotDialog/SnapHeight", snapHeight->value()).toInt());
110 keepAspect->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/KeepAspect", false).toBool());
111 transparent->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/Transparent", false).toBool());
112 hideCoordsys->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/HideCoordsys", false).toBool());
113 multisampling->setChecked( OpenFlipperSettings().value( "Viewer/SnapshotDialog/Multisampling", true).toBool());
114 num_samples->setValue( OpenFlipperSettings().value( "Viewer/SnapshotDialog/NumSamples", 16).toInt());
115 }
116
117 void SnapshotDialog::snapWidthChanged(int _w) {
118
119 if(blockSpinBox_) return;
120
121 if(keepAspect->isChecked()) {
122 blockSpinBox_ = true;
123 snapHeight->setValue((int)((double)_w / aspect_));
124 blockSpinBox_ = false;
125 }
126 }
127
128 void SnapshotDialog::snapHeightChanged(int _h) {
129
130 if(blockSpinBox_) return;
131
132 if(keepAspect->isChecked()) {
133 blockSpinBox_ = true;
134 snapWidth->setValue((int)((double)_h * aspect_));
135 blockSpinBox_ = false;
136 }
137 }
138
139 void SnapshotDialog::keepAspectChanged() {
140
141 if(keepAspect->isChecked()) {
142 blockSpinBox_ = true;
143 snapHeight->setValue((int)((double)snapWidth->value() / aspect_));
144 blockSpinBox_ = false;
145 }
146 }
147
148 void SnapshotDialog::multisampleChanged() {
149 num_samples->setDisabled (!multisampling->isChecked());
150 }
151 void SnapshotDialog::slotChangeResolution()
152 {
153 if ( !captureViewers_ )
154 emit resizeApplication(snapWidth->value(), snapHeight->value());
155 }
156
157 void SnapshotDialog::slotOk()
158 {
159
160 if (filename->text() == ""){
161 QMessageBox msgBox;
162 msgBox.setText(tr("The Filename is empty!"));
163 msgBox.exec();
164 return;
165 }
166
167 if ( !captureViewers_ )
168 emit resizeApplication(snapWidth->value(), snapHeight->value());
169
170 // Remember button states for next time...
171 saveStates();
172
173 accept();
174 }
175
176 void SnapshotDialog::findFile()
177 {
178
179 QFileInfo fi( filename->text() );
180
181 QFileDialog dialog(this);
182 dialog.setFileMode(QFileDialog::AnyFile);
183 dialog.setDefaultSuffix("png");
184 dialog.setNameFilter(tr("Images (*.png *.ppm *.jpg)"));
185 dialog.setFileMode(QFileDialog::AnyFile);
186 dialog.setConfirmOverwrite(true);
187 dialog.setDirectory( fi.path() );
188 dialog.selectFile( filename->text() );
189 dialog.setAcceptMode(QFileDialog::AcceptSave);
190 dialog.setWindowTitle(tr("Save Snapshot"));
191
192 bool ok = dialog.exec();
193
194 if (ok)
195 filename->setText( dialog.selectedFiles()[0] );
196 }
197
198 void SnapshotDialog::filenameChanged(const QString &new_filename) {
199 QFileInfo fi(new_filename);
200 if (!QFileInfo(fi.path()).isWritable()) {
201 static const char *style = "background: #ffffcc;";
202 filename->setStyleSheet(style);
203 warning_lb->setText(trUtf8("Warning: Folder not writable."));
204 } else if (fi.exists()) {
205 static const char *style = "background: #ffcccc;";
206 filename->setStyleSheet(style);
207 warning_lb->setText(trUtf8("Warning: File exists and will be "
208 "overwritten without further warning."));
209 } else {
210 static const char *style = "";
211 filename->setStyleSheet(style);
212 warning_lb->setText("");
213 }
214 }
GlobalOptions.hh
OpenFlipperQSettings::setValue
void setValue(const QString &key, const QVariant &value)
Wrapper function which makes it possible to enable Debugging output with -DOPENFLIPPER_SETTINGS_DEBUG...
Definition: OpenFlipperQSettings.cc:61
OpenFlipperSettings
DLLEXPORT OpenFlipperQSettings & OpenFlipperSettings()
QSettings object containing all program settings of OpenFlipper.
Definition: GlobalOptions.cc:1038