/[svn]/qsampler/trunk/src/qsamplerOptionsForm.cpp
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Annotation of /qsampler/trunk/src/qsamplerOptionsForm.cpp

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Revision 1473 - (hide annotations) (download)
Mon Nov 5 19:07:26 2007 UTC (16 years, 5 months ago) by capela
File size: 11268 byte(s)
* Qt4 migration: still far from complete, the .ui files got shaved
  with special regard to some redundant or duplicated signal/slot
  connections and to the options dialog font aesthetics as also
  other minors.

1 capela 1464 // qsamplerOptionsForm.cpp
2     //
3     /****************************************************************************
4     Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
5     Copyright (C) 2007, Christian Schoenebeck
6    
7     This program is free software; you can redistribute it and/or
8     modify it under the terms of the GNU General Public License
9     as published by the Free Software Foundation; either version 2
10     of the License, or (at your option) any later version.
11    
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     GNU General Public License for more details.
16    
17     You should have received a copy of the GNU General Public License along
18     with this program; if not, write to the Free Software Foundation, Inc.,
19     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20    
21     *****************************************************************************/
22    
23 schoenebeck 1461 #include "qsamplerOptionsForm.h"
24    
25     #include "qsamplerAbout.h"
26     #include "qsamplerOptions.h"
27    
28     #include <QMessageBox>
29     #include <QFontDialog>
30    
31     namespace QSampler {
32    
33 capela 1473 OptionsForm::OptionsForm(QWidget* parent) : QDialog(parent)
34     {
35     ui.setupUi(this);
36 schoenebeck 1461
37 capela 1473 // No settings descriptor initially (the caller will set it).
38     m_pOptions = NULL;
39 schoenebeck 1461
40 capela 1473 // Initialize dirty control state.
41     m_iDirtySetup = 0;
42     m_iDirtyCount = 0;
43 schoenebeck 1461
44 capela 1473 // Set dialog validators...
45     ui.ServerPortComboBox->setValidator(new QIntValidator(ui.ServerPortComboBox));
46 schoenebeck 1461
47 capela 1473 // Try to restore old window positioning.
48     adjustSize();
49 capela 1466
50     QObject::connect(ui.ServerHostComboBox,
51     SIGNAL(textChanged(const QString&amp;)),
52     SLOT(optionsChanged()));
53     QObject::connect(ui.ServerPortComboBox,
54     SIGNAL(textChanged(const QString&amp;)),
55     SLOT(optionsChanged()));
56     QObject::connect(ui.ServerTimeoutSpinBox,
57     SIGNAL(valueChanged(int)),
58     SLOT(optionsChanged()));
59     QObject::connect(ui.ServerStartCheckBox,
60     SIGNAL(stateChanged(int)),
61     SLOT(optionsChanged()));
62     QObject::connect(ui.ServerCmdLineComboBox,
63     SIGNAL(textChanged(const QString&amp;)),
64     SLOT(optionsChanged()));
65     QObject::connect(ui.StartDelaySpinBox,
66     SIGNAL(valueChanged(int)),
67     SLOT(optionsChanged()));
68     QObject::connect(ui.DisplayFontPushButton,
69     SIGNAL(clicked()),
70     SLOT(chooseDisplayFont()));
71     QObject::connect(ui.DisplayEffectCheckBox,
72     SIGNAL(toggled(bool)),
73     SLOT(toggleDisplayEffect(bool)));
74     QObject::connect(ui.AutoRefreshCheckBox,
75     SIGNAL(stateChanged(int)),
76     SLOT(optionsChanged()));
77     QObject::connect(ui.AutoRefreshTimeSpinBox,
78     SIGNAL(valueChanged(int)),
79     SLOT(optionsChanged()));
80     QObject::connect(ui.MaxVolumeSpinBox,
81     SIGNAL(valueChanged(int)),
82     SLOT(optionsChanged()));
83     QObject::connect(ui.MessagesFontPushButton,
84     SIGNAL(clicked()),
85     SLOT(chooseMessagesFont()));
86     QObject::connect(ui.MessagesLimitCheckBox,
87     SIGNAL(stateChanged(int)),
88     SLOT(optionsChanged()));
89     QObject::connect(ui.MessagesLimitLinesSpinBox,
90     SIGNAL(valueChanged(int)),
91     SLOT(optionsChanged()));
92     QObject::connect(ui.ConfirmRemoveCheckBox,
93     SIGNAL(stateChanged(int)),
94     SLOT(optionsChanged()));
95     QObject::connect(ui.KeepOnTopCheckBox,
96     SIGNAL(stateChanged(int)),
97     SLOT(optionsChanged()));
98     QObject::connect(ui.StdoutCaptureCheckBox,
99     SIGNAL(stateChanged(int)),
100     SLOT(optionsChanged()));
101     QObject::connect(ui.MaxRecentFilesSpinBox,
102     SIGNAL(valueChanged(int)),
103     SLOT(optionsChanged()));
104     QObject::connect(ui.CompletePathCheckBox,
105     SIGNAL(stateChanged(int)),
106     SLOT(optionsChanged()));
107     QObject::connect(ui.InstrumentNamesCheckBox,
108     SIGNAL(stateChanged(int)),
109     SLOT(optionsChanged()));
110     QObject::connect(ui.OkPushButton,
111     SIGNAL(clicked()),
112     SLOT(accept()));
113     QObject::connect(ui.CancelPushButton,
114     SIGNAL(clicked()),
115     SLOT(reject()));
116 schoenebeck 1461 }
117    
118 capela 1473 OptionsForm::~OptionsForm()
119     {
120 schoenebeck 1461 }
121    
122     // Populate (setup) dialog controls from settings descriptors.
123     void OptionsForm::setup ( qsamplerOptions *pOptions )
124     {
125     // Set reference descriptor.
126     m_pOptions = pOptions;
127    
128     // Start clean.
129     m_iDirtyCount = 0;
130     // Avoid nested changes.
131     m_iDirtySetup++;
132    
133     // Load combo box history...
134     m_pOptions->loadComboBoxHistory(ui.ServerHostComboBox);
135     m_pOptions->loadComboBoxHistory(ui.ServerPortComboBox);
136     m_pOptions->loadComboBoxHistory(ui.ServerCmdLineComboBox);
137    
138     // Load Server settings...
139     ui.ServerHostComboBox->setCurrentText(m_pOptions->sServerHost);
140     ui.ServerPortComboBox->setCurrentText(QString::number(m_pOptions->iServerPort));
141     ui.ServerTimeoutSpinBox->setValue(m_pOptions->iServerTimeout);
142     ui.ServerStartCheckBox->setChecked(m_pOptions->bServerStart);
143     ui.ServerCmdLineComboBox->setCurrentText(m_pOptions->sServerCmdLine);
144     ui.StartDelaySpinBox->setValue(m_pOptions->iStartDelay);
145    
146     // Load Display options...
147     QFont font;
148    
149     // Display font.
150     if (m_pOptions->sDisplayFont.isEmpty() || !font.fromString(m_pOptions->sDisplayFont))
151     font = QFont("Sans Serif", 8);
152     ui.DisplayFontTextLabel->setFont(font);
153     ui.DisplayFontTextLabel->setText(font.family() + " " + QString::number(font.pointSize()));
154    
155     // Display effect.
156     ui.DisplayEffectCheckBox->setChecked(m_pOptions->bDisplayEffect);
157     toggleDisplayEffect(m_pOptions->bDisplayEffect);
158    
159     // Auto-refresh and maximum volume options.
160     ui.AutoRefreshCheckBox->setChecked(m_pOptions->bAutoRefresh);
161     ui.AutoRefreshTimeSpinBox->setValue(m_pOptions->iAutoRefreshTime);
162     ui.MaxVolumeSpinBox->setValue(m_pOptions->iMaxVolume);
163    
164     // Messages font.
165     if (m_pOptions->sMessagesFont.isEmpty() || !font.fromString(m_pOptions->sMessagesFont))
166     font = QFont("Fixed", 8);
167     ui.MessagesFontTextLabel->setFont(font);
168     ui.MessagesFontTextLabel->setText(font.family() + " " + QString::number(font.pointSize()));
169    
170     // Messages limit option.
171     ui.MessagesLimitCheckBox->setChecked(m_pOptions->bMessagesLimit);
172     ui.MessagesLimitLinesSpinBox->setValue(m_pOptions->iMessagesLimitLines);
173    
174     // Other options finally.
175     ui.ConfirmRemoveCheckBox->setChecked(m_pOptions->bConfirmRemove);
176     ui.KeepOnTopCheckBox->setChecked(m_pOptions->bKeepOnTop);
177     ui.StdoutCaptureCheckBox->setChecked(m_pOptions->bStdoutCapture);
178     ui.CompletePathCheckBox->setChecked(m_pOptions->bCompletePath);
179     ui.InstrumentNamesCheckBox->setChecked(m_pOptions->bInstrumentNames);
180     ui.MaxRecentFilesSpinBox->setValue(m_pOptions->iMaxRecentFiles);
181    
182     #ifndef CONFIG_LIBGIG
183     ui.InstrumentNamesCheckBox->setEnabled(false);
184     #endif
185    
186     // Done.
187     m_iDirtySetup--;
188     stabilizeForm();
189     }
190    
191    
192     // Accept settings (OK button slot).
193     void OptionsForm::accept (void)
194     {
195     // Save options...
196     if (m_iDirtyCount > 0) {
197     // Server settings....
198     m_pOptions->sServerHost = ui.ServerHostComboBox->currentText().stripWhiteSpace();
199     m_pOptions->iServerPort = ui.ServerPortComboBox->currentText().toInt();
200     m_pOptions->iServerTimeout = ui.ServerTimeoutSpinBox->value();
201     m_pOptions->bServerStart = ui.ServerStartCheckBox->isChecked();
202     m_pOptions->sServerCmdLine = ui.ServerCmdLineComboBox->currentText().stripWhiteSpace();
203     m_pOptions->iStartDelay = ui.StartDelaySpinBox->value();
204     // Channels options...
205     m_pOptions->sDisplayFont = ui.DisplayFontTextLabel->font().toString();
206     m_pOptions->bDisplayEffect = ui.DisplayEffectCheckBox->isChecked();
207     m_pOptions->bAutoRefresh = ui.AutoRefreshCheckBox->isChecked();
208     m_pOptions->iAutoRefreshTime = ui.AutoRefreshTimeSpinBox->value();
209     m_pOptions->iMaxVolume = ui.MaxVolumeSpinBox->value();
210     // Messages options...
211     m_pOptions->sMessagesFont = ui.MessagesFontTextLabel->font().toString();
212     m_pOptions->bMessagesLimit = ui.MessagesLimitCheckBox->isChecked();
213     m_pOptions->iMessagesLimitLines = ui.MessagesLimitLinesSpinBox->value();
214     // Other options...
215     m_pOptions->bConfirmRemove = ui.ConfirmRemoveCheckBox->isChecked();
216     m_pOptions->bKeepOnTop = ui.KeepOnTopCheckBox->isChecked();
217     m_pOptions->bStdoutCapture = ui.StdoutCaptureCheckBox->isChecked();
218     m_pOptions->bCompletePath = ui.CompletePathCheckBox->isChecked();
219     m_pOptions->bInstrumentNames = ui.InstrumentNamesCheckBox->isChecked();
220     m_pOptions->iMaxRecentFiles = ui.MaxRecentFilesSpinBox->value();
221     // Reset dirty flag.
222     m_iDirtyCount = 0;
223     }
224    
225     // Save combobox history...
226     m_pOptions->saveComboBoxHistory(ui.ServerHostComboBox);
227     m_pOptions->saveComboBoxHistory(ui.ServerPortComboBox);
228     m_pOptions->saveComboBoxHistory(ui.ServerCmdLineComboBox);
229    
230     // Just go with dialog acceptance.
231     QDialog::accept();
232     }
233    
234    
235     // Reject settings (Cancel button slot).
236     void OptionsForm::reject (void)
237     {
238     bool bReject = true;
239    
240     // Check if there's any pending changes...
241     if (m_iDirtyCount > 0) {
242     switch (QMessageBox::warning(this,
243     QSAMPLER_TITLE ": " + tr("Warning"),
244     tr("Some settings have been changed.\n\n"
245     "Do you want to apply the changes?"),
246     tr("Apply"), tr("Discard"), tr("Cancel"))) {
247     case 0: // Apply...
248     accept();
249     return;
250     case 1: // Discard
251     break;
252     default: // Cancel.
253     bReject = false;
254     }
255     }
256    
257     if (bReject)
258     QDialog::reject();
259     }
260    
261    
262     // Dirty up settings.
263     void OptionsForm::optionsChanged (void)
264     {
265     if (m_iDirtySetup > 0)
266     return;
267    
268     m_iDirtyCount++;
269     stabilizeForm();
270     }
271    
272    
273     // Stabilize current form state.
274     void OptionsForm::stabilizeForm (void)
275     {
276     bool bEnabled = ui.ServerStartCheckBox->isChecked();
277     ui.ServerCmdLineTextLabel->setEnabled(bEnabled);
278     ui.ServerCmdLineComboBox->setEnabled(bEnabled);
279     ui.StartDelayTextLabel->setEnabled(bEnabled);
280     ui.StartDelaySpinBox->setEnabled(bEnabled);
281    
282     ui.AutoRefreshTimeSpinBox->setEnabled(ui.AutoRefreshCheckBox->isChecked());
283     ui.MessagesLimitLinesSpinBox->setEnabled(ui.MessagesLimitCheckBox->isChecked());
284    
285     ui.OkPushButton->setEnabled(m_iDirtyCount > 0);
286     }
287    
288    
289     // The channel display font selection dialog.
290     void OptionsForm::chooseDisplayFont (void)
291     {
292     bool bOk = false;
293     QFont font = QFontDialog::getFont(&bOk, ui.DisplayFontTextLabel->font(), this);
294     if (bOk) {
295     ui.DisplayFontTextLabel->setFont(font);
296     ui.DisplayFontTextLabel->setText(font.family() + " " + QString::number(font.pointSize()));
297     optionsChanged();
298     }
299     }
300    
301    
302     // The messages font selection dialog.
303     void OptionsForm::chooseMessagesFont (void)
304     {
305     bool bOk = false;
306     QFont font = QFontDialog::getFont(&bOk, ui.MessagesFontTextLabel->font(), this);
307     if (bOk) {
308     ui.MessagesFontTextLabel->setFont(font);
309     ui.MessagesFontTextLabel->setText(font.family() + " " + QString::number(font.pointSize()));
310     optionsChanged();
311     }
312     }
313    
314    
315     // The channel display effect demo changer.
316     void OptionsForm::toggleDisplayEffect ( bool bOn )
317     {
318     QPixmap pm;
319     if (bOn)
320     pm = QPixmap(":/qsampler/pixmaps/displaybg1.png");
321     ui.DisplayFontTextLabel->setPaletteBackgroundPixmap(pm);
322    
323     optionsChanged();
324     }
325    
326     } // namespace QSampler
327 capela 1464
328    
329 capela 1466 // end of qsamplerOptionsForm.cpp

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