// public override [base QWidget]
void kpTransformPreviewDialog::setUpdatesEnabled (bool enable)
{
QDialog::setUpdatesEnabled (enable);
if (enable)
slotUpdateWithWaitCursor ();
}
// private
void kpTransformPreviewDialog::createPreviewGroupBox ()
{
m_previewGroupBox = new QGroupBox (i18n ("Preview"), mainWidget ());
m_previewPixmapLabel = new kpResizeSignallingLabel (m_previewGroupBox);
m_previewPixmapLabel->setMinimumSize (150, 110);
connect (m_previewPixmapLabel, SIGNAL (resized ()),
this, SLOT (updatePreview ()));
QPushButton *updatePushButton = new QPushButton (i18n ("&Update"),
m_previewGroupBox);
connect (updatePushButton, SIGNAL (clicked ()),
this, SLOT (slotUpdateWithWaitCursor ()));
QVBoxLayout *previewLayout = new QVBoxLayout (m_previewGroupBox);
previewLayout->addWidget (m_previewPixmapLabel, 1/*stretch*/);
previewLayout->addWidget (updatePushButton, 0/*stretch*/, Qt::AlignHCenter);
}
kpEffectsDialog::kpEffectsDialog (bool actOnSelection,
kpMainWindow *parent,
const char *name)
: kpToolPreviewDialog (kpToolPreviewDialog::Preview,
true/*reserve top row*/,
QString::null/*caption*/,
QString::null/*afterActionText (no Dimensions Group Box)*/,
actOnSelection,
parent,
name),
m_delayedUpdateTimer (new QTimer (this)),
m_effectsComboBox (0),
m_settingsGroupBox (0),
m_settingsLayout (0),
m_colorEffectWidget (0)
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::kpEffectsDialog()" << endl;
#endif
if (actOnSelection)
setCaption (i18n ("More Image Effects (Selection)"));
else
setCaption (i18n ("More Image Effects"));
connect (m_delayedUpdateTimer, SIGNAL (timeout ()),
this, SLOT (slotUpdateWithWaitCursor ()));
QHBox *effectContainer = new QHBox (mainWidget ());
effectContainer->setSpacing (spacingHint () * 4
/*need more space for QGroupBox titles*/);
effectContainer->setMargin (0);
QLabel *label = new QLabel (i18n ("&Effect:"), effectContainer);
m_effectsComboBox = new KComboBox (effectContainer);
m_effectsComboBox->insertItem (i18n ("Balance"));
m_effectsComboBox->insertItem (i18n ("Emboss"));
m_effectsComboBox->insertItem (i18n ("Flatten"));
m_effectsComboBox->insertItem (i18n ("Invert"));
m_effectsComboBox->insertItem (i18n ("Reduce Colors"));
m_effectsComboBox->insertItem (i18n ("Soften & Sharpen"));
label->setBuddy (m_effectsComboBox);
effectContainer->setStretchFactor (m_effectsComboBox, 1);
addCustomWidgetToFront (effectContainer);
m_settingsGroupBox = new QGroupBox (mainWidget ());
m_settingsLayout = new QVBoxLayout (m_settingsGroupBox,
marginHint () * 2,
spacingHint ());
addCustomWidgetToBack (m_settingsGroupBox);
connect (m_effectsComboBox, SIGNAL (activated (int)),
this, SLOT (selectEffect (int)));
selectEffect (0);
resize (s_lastWidth, s_lastHeight);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tabout to slotUpdate()" << endl;
#endif
slotUpdate ();
}
// public slot
void kpEffectsDialog::selectEffect (int which)
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::selectEffect(" << which << ")" << endl;
#endif
if (which < 0 ||
which >= m_effectsComboBox->count ())
{
return;
}
if (which != m_effectsComboBox->currentItem ())
m_effectsComboBox->setCurrentItem (which);
delete m_colorEffectWidget;
m_colorEffectWidget = 0;
m_settingsGroupBox->setCaption (QString::null);
#define CREATE_EFFECT_WIDGET(name) \
m_colorEffectWidget = new name (m_actOnSelection, \
m_mainWindow, \
m_settingsGroupBox)
switch (which)
{
case 0:
CREATE_EFFECT_WIDGET (kpEffectBalanceWidget);
break;
case 1:
CREATE_EFFECT_WIDGET (kpEffectEmbossWidget);
break;
case 2:
CREATE_EFFECT_WIDGET (kpEffectFlattenWidget);
break;
case 3:
CREATE_EFFECT_WIDGET (kpEffectInvertWidget);
break;
case 4:
CREATE_EFFECT_WIDGET (kpEffectReduceColorsWidget);
break;
case 5:
CREATE_EFFECT_WIDGET (kpEffectBlurSharpenWidget);
break;
}
#undef CREATE_EFFECT_WIDGET
if (m_colorEffectWidget)
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\twidget exists for effect #" << endl;
#endif
m_settingsGroupBox->setTitle (m_colorEffectWidget->caption ());
// Don't resize the preview when showing the widget:
// TODO: actually work
QSize previewGroupBoxMinSize = m_previewGroupBox->minimumSize ();
QSize previewGroupBoxMaxSize = m_previewGroupBox->maximumSize ();
QLayout::ResizeMode previewGroupBoxResizeMode =
m_previewGroupBox->layout () ?
m_previewGroupBox->layout ()->resizeMode () :
QLayout::Auto;
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tpreviewGroupBox: minSize=" << previewGroupBoxMinSize
<< " maxSize=" << previewGroupBoxMaxSize
<< " size=" << m_previewGroupBox->size ()
<< " layout=" << m_previewGroupBox->layout ()
<< " resizeMode=" << previewGroupBoxResizeMode
<< endl;
#endif
if (m_previewGroupBox->layout ())
m_previewGroupBox->layout ()->setResizeMode (QLayout::FreeResize);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter set resizeMode, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
m_previewGroupBox->setFixedSize (m_previewGroupBox->size ());
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter set fixedSize, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
// Show widget
m_settingsLayout->addWidget (m_colorEffectWidget);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter addWidget, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
m_colorEffectWidget->show ();
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter addWidget show, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
m_previewGroupBox->setMinimumSize (previewGroupBoxMinSize);
m_previewGroupBox->setMaximumSize (previewGroupBoxMaxSize);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter set fixedSize, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
if (m_previewGroupBox->layout ())
m_previewGroupBox->layout ()->setResizeMode (previewGroupBoxResizeMode);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter restore resizeMode, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
connect (m_colorEffectWidget, SIGNAL (settingsChangedNoWaitCursor ()),
this, SLOT (slotUpdate ()));
connect (m_colorEffectWidget, SIGNAL (settingsChanged ()),
this, SLOT (slotUpdateWithWaitCursor ()));
connect (m_colorEffectWidget, SIGNAL (settingsChangedDelayed ()),
this, SLOT (slotDelayedUpdate ()));
slotUpdateWithWaitCursor ();
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter slotUpdateWithWaitCursor, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
}
}
