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Diffstat (limited to 'kolourpaint/kpdocumentsaveoptionswidget.cpp')
| -rw-r--r-- | kolourpaint/kpdocumentsaveoptionswidget.cpp | 951 |
1 files changed, 951 insertions, 0 deletions
diff --git a/kolourpaint/kpdocumentsaveoptionswidget.cpp b/kolourpaint/kpdocumentsaveoptionswidget.cpp new file mode 100644 index 00000000..39edf5b8 --- /dev/null +++ b/kolourpaint/kpdocumentsaveoptionswidget.cpp @@ -0,0 +1,951 @@ + +/* + Copyright (c) 2003,2004,2005 Clarence Dang <[email protected]> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#define DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET 0 + + +#include <kpdocumentsaveoptionswidget.h> + +#include <qapplication.h> +#include <qbuffer.h> +#include <qimage.h> +#include <qlabel.h> +#include <qlayout.h> +#include <qtimer.h> + +#include <kcombobox.h> +#include <kconfig.h> +#include <kdebug.h> +#include <kdialog.h> +#include <kdialogbase.h> +#include <kglobal.h> +#include <kimageio.h> +#include <klocale.h> +#include <knuminput.h> +#include <kpushbutton.h> + +#include <kpdefs.h> +#include <kpdocument.h> +#include <kppixmapfx.h> +#include <kpresizesignallinglabel.h> +#include <kpselection.h> +#include <kptoolpreviewdialog.h> +#include <kpwidgetmapper.h> + + +// protected static +const QSize kpDocumentSaveOptionsPreviewDialog::s_pixmapLabelMinimumSize (25, 25); + + +kpDocumentSaveOptionsPreviewDialog::kpDocumentSaveOptionsPreviewDialog ( + QWidget *parent, + const char *name) + : QWidget (parent, name, + Qt::WType_TopLevel | + Qt::WStyle_Customize | + Qt::WStyle_DialogBorder | + Qt::WStyle_Title), +#if 0 +KDialogBase (parent, name, false/*non-modal*/, + i18n ("Save Preview"), + 0/*no buttons*/), +#endif + m_filePixmap (0), + m_fileSize (0) +{ + setCaption (i18n ("Save Preview")); + + QWidget *baseWidget = this;//new QWidget (this); + //setMainWidget (baseWidget); + + + QGridLayout *lay = new QGridLayout (baseWidget, 2, 1, + KDialog::marginHint (), KDialog::spacingHint ()); + + m_filePixmapLabel = new kpResizeSignallingLabel (baseWidget); + m_fileSizeLabel = new QLabel (baseWidget); + + + m_filePixmapLabel->setMinimumSize (s_pixmapLabelMinimumSize); + + + lay->addWidget (m_filePixmapLabel, 0, 0); + lay->addWidget (m_fileSizeLabel, 1, 0, Qt::AlignHCenter); + + + lay->setRowStretch (0, 1); + + + connect (m_filePixmapLabel, SIGNAL (resized ()), + this, SLOT (updatePixmapPreview ())); +} + +kpDocumentSaveOptionsPreviewDialog::~kpDocumentSaveOptionsPreviewDialog () +{ + delete m_filePixmap; +} + + +// public +QSize kpDocumentSaveOptionsPreviewDialog::preferredMinimumSize () const +{ + const int contentsWidth = 180; + const int totalMarginsWidth = 2 * KDialog::marginHint (); + + return QSize (contentsWidth + totalMarginsWidth, + contentsWidth * 3 / 4 + totalMarginsWidth); +} + + +// public slot +void kpDocumentSaveOptionsPreviewDialog::setFilePixmapAndSize (const QPixmap &pixmap, + int fileSize) +{ + delete m_filePixmap; + m_filePixmap = new QPixmap (pixmap); + + updatePixmapPreview (); + + m_fileSize = fileSize; + + const int pixmapSize = kpPixmapFX::pixmapSize (pixmap); + const int percent = pixmapSize ? + QMAX (1, fileSize * 100 / pixmapSize) : + 0; +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsPreviewDialog::setFilePixmapAndSize()" + << " pixmapSize=" << pixmapSize + << " fileSize=" << fileSize + << " raw fileSize/pixmapSize%=" + << (pixmapSize ? fileSize * 100 / pixmapSize : 0) + << endl; +#endif + + // HACK: I don't know if the percentage thing will work well and we're + // really close to the message freeze so provide alt. texts to choose + // from during the message freeze :) + const QString alternateText0 = i18n ("%1 bytes"); + const QString alternateText1 = i18n ("%1 bytes (%2%)"); + const QString alternateText2 = i18n ("%1 B"); + const QString alternateText3 = i18n ("%1 B (%2%)"); + const QString alternateText4 = i18n ("%1 B (approx. %2%)"); + const QString alternateText5 = i18n ("%1B"); + const QString alternateText6 = i18n ("%1B (%2%)"); + const QString alternateText7 = i18n ("%1B (approx. %2%)"); + m_fileSizeLabel->setText (i18n ("%1 bytes (approx. %2%)") + .arg (KGlobal::locale ()->formatLong (m_fileSize)) + .arg (percent)); +} + +// public slot +void kpDocumentSaveOptionsPreviewDialog::updatePixmapPreview () +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsPreviewDialog::updatePreviewPixmap()" + << " filePixmapLabel.size=" << m_filePixmapLabel->size () + << " filePixmap.size=" << m_filePixmap->size () + << endl; +#endif + + if (m_filePixmap) + { + int maxNewWidth = QMIN (m_filePixmap->width (), + m_filePixmapLabel->width ()), + maxNewHeight = QMIN (m_filePixmap->height (), + m_filePixmapLabel->height ()); + + double keepsAspect = kpToolPreviewDialog::aspectScale ( + maxNewWidth, maxNewHeight, + m_filePixmap->width (), m_filePixmap->height ()); + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tmaxNewWidth=" << maxNewWidth + << " maxNewHeight=" << maxNewHeight + << " keepsAspect=" << keepsAspect + << endl; + #endif + + + const int newWidth = kpToolPreviewDialog::scaleDimension ( + m_filePixmap->width (), + keepsAspect, + 1, + maxNewWidth); + const int newHeight = kpToolPreviewDialog::scaleDimension ( + m_filePixmap->height (), + keepsAspect, + 1, + maxNewHeight); + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tnewWidth=" << newWidth + << " newHeight=" << newHeight + << endl; + #endif + + + QPixmap transformedPixmap = + kpPixmapFX::scale (*m_filePixmap, + newWidth, newHeight); + + + QPixmap labelPixmap (m_filePixmapLabel->width (), + m_filePixmapLabel->height ()); + kpPixmapFX::fill (&labelPixmap, kpColor::transparent); + kpPixmapFX::setPixmapAt (&labelPixmap, + (labelPixmap.width () - transformedPixmap.width ()) / 2, + (labelPixmap.height () - transformedPixmap.height ()) / 2, + transformedPixmap); + + + m_filePixmapLabel->setPixmap (labelPixmap); + } + else + { + m_filePixmapLabel->setPixmap (QPixmap ()); + } +} + + +// protected virtual [base QWidget] +void kpDocumentSaveOptionsPreviewDialog::closeEvent (QCloseEvent *e) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsPreviewDialog::closeEvent()" << endl; +#endif + + QWidget::closeEvent (e); + + emit finished (); +} + +// protected virtual [base QWidget] +void kpDocumentSaveOptionsPreviewDialog::moveEvent (QMoveEvent *e) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsPreviewDialog::moveEvent()" << endl; +#endif + + QWidget::moveEvent (e); + + emit moved (); +} + +// protected virtual [base QWidget] +void kpDocumentSaveOptionsPreviewDialog::resizeEvent (QResizeEvent *e) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsPreviewDialog::resizeEvent()" << endl; +#endif + + QWidget::resizeEvent (e); + + emit resized (); +} + + +kpDocumentSaveOptionsWidget::kpDocumentSaveOptionsWidget ( + const QPixmap &docPixmap, + const kpDocumentSaveOptions &saveOptions, + const kpDocumentMetaInfo &metaInfo, + QWidget *parent, const char *name) + : QWidget (parent, name), + m_visualParent (parent) +{ + init (); + setDocumentSaveOptions (saveOptions); + setDocumentPixmap (docPixmap); + setDocumentMetaInfo (metaInfo); +} + +kpDocumentSaveOptionsWidget::kpDocumentSaveOptionsWidget ( + QWidget *parent, const char *name) + : QWidget (parent, name), + m_visualParent (parent) +{ + init (); +} + +// private +void kpDocumentSaveOptionsWidget::init () +{ + m_documentPixmap = 0; + m_previewDialog = 0; + m_visualParent = 0; + + + m_colorDepthLabel = new QLabel (i18n ("Convert &to:"), this); + m_colorDepthCombo = new KComboBox (this); + + m_colorDepthSpaceWidget = new QWidget (this); + + m_qualityLabel = new QLabel (i18n ("Quali&ty:"), this); + m_qualityInput = new KIntNumInput (this); + // Note that we set min to 1 not 0 since "0 Quality" is a bit misleading + // and 101 quality settings would be weird. So we lose 1 quality setting + // according to QImage::save(). + // TODO: 100 quality is also misleading since that implies perfect quality. + m_qualityInput->setRange (1, 100, 1/*step*/, true/*slider*/); + + m_previewButton = new KPushButton (i18n ("&Preview"), this); + m_previewButton->setToggleButton (true); + + + m_colorDepthLabel->setBuddy (m_colorDepthCombo); + + m_qualityLabel->setBuddy (m_qualityInput); + + + QHBoxLayout *lay = new QHBoxLayout (this, 0/*margin*/, KDialog::spacingHint ()); + + lay->addWidget (m_colorDepthLabel, 0/*stretch*/, Qt::AlignLeft); + lay->addWidget (m_colorDepthCombo, 0/*stretch*/); + + lay->addWidget (m_colorDepthSpaceWidget, 1/*stretch*/); + + lay->addWidget (m_qualityLabel, 0/*stretch*/, Qt::AlignLeft); + lay->addWidget (m_qualityInput, 2/*stretch*/); + + lay->addWidget (m_previewButton, 0/*stretch*/, Qt::AlignRight); + + + connect (m_colorDepthCombo, SIGNAL (activated (int)), + this, SLOT (slotColorDepthSelected ())); + connect (m_colorDepthCombo, SIGNAL (activated (int)), + this, SLOT (updatePreview ())); + + connect (m_qualityInput, SIGNAL (valueChanged (int)), + this, SLOT (updatePreviewDelayed ())); + + connect (m_previewButton, SIGNAL (toggled (bool)), + this, SLOT (showPreview (bool))); + + + m_updatePreviewDelay = 200/*ms*/; + + m_updatePreviewTimer = new QTimer (this); + connect (m_updatePreviewTimer, SIGNAL (timeout ()), + this, SLOT (updatePreview ())); + + m_updatePreviewDialogLastRelativeGeometryTimer = new QTimer (this); + connect (m_updatePreviewDialogLastRelativeGeometryTimer, SIGNAL (timeout ()), + this, SLOT (updatePreviewDialogLastRelativeGeometry ())); + + + setMode (None); + + slotColorDepthSelected (); +} + +kpDocumentSaveOptionsWidget::~kpDocumentSaveOptionsWidget () +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::<dtor>()" << endl; +#endif + hidePreview (); + + delete m_documentPixmap; +} + + +// public +void kpDocumentSaveOptionsWidget::setVisualParent (QWidget *visualParent) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::setVisualParent(" + << visualParent << ")" << endl; +#endif + + m_visualParent = visualParent; +} + + +// protected +bool kpDocumentSaveOptionsWidget::mimeTypeHasConfigurableColorDepth () const +{ + return kpDocumentSaveOptions::mimeTypeHasConfigurableColorDepth (mimeType ()); +} + +// protected +bool kpDocumentSaveOptionsWidget::mimeTypeHasConfigurableQuality () const +{ + return kpDocumentSaveOptions::mimeTypeHasConfigurableQuality (mimeType ()); +} + + +// public +QString kpDocumentSaveOptionsWidget::mimeType () const +{ + return m_baseDocumentSaveOptions.mimeType (); +} + +// public slots +void kpDocumentSaveOptionsWidget::setMimeType (const QString &string) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::setMimeType(" << string + << ") maxColorDepth=" + << kpDocumentSaveOptions::mimeTypeMaximumColorDepth (string) + << endl; +#endif + + const int newMimeTypeMaxDepth = + kpDocumentSaveOptions::mimeTypeMaximumColorDepth (string); + +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\toldMimeType=" << mimeType () + << " maxColorDepth=" + << kpDocumentSaveOptions::mimeTypeMaximumColorDepth ( + mimeType ()) + << endl; +#endif + + if (mimeType ().isEmpty () || + kpDocumentSaveOptions::mimeTypeMaximumColorDepth (mimeType ()) != + newMimeTypeMaxDepth) + { + m_colorDepthCombo->clear (); + + m_colorDepthCombo->insertItem (i18n ("Monochrome"), 0); + m_colorDepthCombo->insertItem (i18n ("Monochrome (Dithered)"), 1); + + if (newMimeTypeMaxDepth >= 8) + { + m_colorDepthCombo->insertItem (i18n ("256 Color"), 2); + m_colorDepthCombo->insertItem (i18n ("256 Color (Dithered)"), 3); + } + + if (newMimeTypeMaxDepth >= 24) + { + m_colorDepthCombo->insertItem (i18n ("24-bit Color"), 4); + } + + if (m_colorDepthComboLastSelectedItem >= 0 && + m_colorDepthComboLastSelectedItem < m_colorDepthCombo->count ()) + { + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tsetting colorDepthCombo to " + << m_colorDepthComboLastSelectedItem << endl; + #endif + + m_colorDepthCombo->setCurrentItem (m_colorDepthComboLastSelectedItem); + } + else + { + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tsetting colorDepthCombo to max item since" + << " m_colorDepthComboLastSelectedItem=" + << m_colorDepthComboLastSelectedItem + << " out of range" << endl; + #endif + + m_colorDepthCombo->setCurrentItem (m_colorDepthCombo->count () - 1); + } + } + + + m_baseDocumentSaveOptions.setMimeType (string); + + if (mimeTypeHasConfigurableColorDepth ()) + setMode (ColorDepth); + else if (mimeTypeHasConfigurableQuality ()) + setMode (Quality); + else + setMode (None); + + updatePreview (); +} + + +// public +int kpDocumentSaveOptionsWidget::colorDepth () const +{ + if (mode () & ColorDepth) + { + switch (m_colorDepthCombo->currentItem ()) + { + case 0: + case 1: + return 1; + + case 2: + case 3: + return 8; + + case 4: + return 32; + + default: + return kpDocumentSaveOptions::invalidColorDepth (); + } + } + else + { + return m_baseDocumentSaveOptions.colorDepth (); + } +} + +// public +bool kpDocumentSaveOptionsWidget::dither () const +{ + if (mode () & ColorDepth) + { + return (m_colorDepthCombo->currentItem () == 1 || + m_colorDepthCombo->currentItem () == 3); + } + else + { + return m_baseDocumentSaveOptions.dither (); + } +} + +// protected static +int kpDocumentSaveOptionsWidget::colorDepthComboItemFromColorDepthAndDither ( + int depth, bool dither) +{ + if (depth == 1) + { + if (!dither) + { + return 0; + } + else + { + return 1; + } + } + else if (depth == 8) + { + if (!dither) + { + return 2; + } + else + { + return 3; + } + } + else if (depth == 32) + { + return 4; + } + else + { + return -1; + } +} + +// public slots +void kpDocumentSaveOptionsWidget::setColorDepthDither (int newDepth, bool newDither) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::setColorDepthDither(" + << "depth=" << newDepth + << ",dither=" << newDither + << ")" << endl; +#endif + + m_baseDocumentSaveOptions.setColorDepth (newDepth); + m_baseDocumentSaveOptions.setDither (newDither); + + + const int comboItem = colorDepthComboItemFromColorDepthAndDither ( + newDepth, newDither); + // TODO: Ignoring when comboItem >= m_colorDepthCombo->count() is wrong. + // This happens if this mimeType has configurable colour depth + // and an incorrect maximum colour depth (less than a QImage of + // this mimeType, opened by kpDocument). + if (comboItem >= 0 && comboItem < m_colorDepthCombo->count ()) + m_colorDepthCombo->setCurrentItem (comboItem); + + + slotColorDepthSelected (); +} + + +// protected slot +void kpDocumentSaveOptionsWidget::slotColorDepthSelected () +{ + if (mode () & ColorDepth) + { + m_colorDepthComboLastSelectedItem = m_colorDepthCombo->currentItem (); + } + else + { + m_colorDepthComboLastSelectedItem = + colorDepthComboItemFromColorDepthAndDither ( + m_baseDocumentSaveOptions.colorDepth (), + m_baseDocumentSaveOptions.dither ()); + } + +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::slotColorDepthSelected()" + << " mode&ColorDepth=" << (mode () & ColorDepth) + << " colorDepthComboLastSelectedItem=" + << m_colorDepthComboLastSelectedItem + << endl; +#endif +} + + +// public +int kpDocumentSaveOptionsWidget::quality () const +{ + if (mode () & Quality) + { + return m_qualityInput->value (); + } + else + { + return m_baseDocumentSaveOptions.quality (); + } +} + +// public +void kpDocumentSaveOptionsWidget::setQuality (int newQuality) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::setQuality(" + << newQuality << ")" << endl; +#endif + + m_baseDocumentSaveOptions.setQuality (newQuality); + m_qualityInput->setValue (newQuality == -1/*QImage::save() default*/ ? + 75 : + newQuality); +} + + +// public +kpDocumentSaveOptions kpDocumentSaveOptionsWidget::documentSaveOptions () const +{ + return kpDocumentSaveOptions (mimeType (), colorDepth (), dither (), quality ()); +} + +// public +void kpDocumentSaveOptionsWidget::setDocumentSaveOptions ( + const kpDocumentSaveOptions &saveOptions) +{ + setMimeType (saveOptions.mimeType ()); + setColorDepthDither (saveOptions.colorDepth (), saveOptions.dither ()); + setQuality (saveOptions.quality ()); +} + + +// public +void kpDocumentSaveOptionsWidget::setDocumentPixmap (const QPixmap &documentPixmap) +{ + delete m_documentPixmap; + m_documentPixmap = new QPixmap (documentPixmap); + + updatePreview (); +} + +// public +void kpDocumentSaveOptionsWidget::setDocumentMetaInfo ( + const kpDocumentMetaInfo &metaInfo) +{ + m_documentMetaInfo = metaInfo; + + updatePreview (); +} + + +// public +kpDocumentSaveOptionsWidget::Mode kpDocumentSaveOptionsWidget::mode () const +{ + return m_mode; +} + +// public +void kpDocumentSaveOptionsWidget::setMode (Mode mode) +{ + m_mode = mode; + + + // If mode == None, we show still show the Color Depth widgets but disabled + m_colorDepthLabel->setShown (mode != Quality); + m_colorDepthCombo->setShown (mode != Quality); + m_colorDepthSpaceWidget->setShown (mode != Quality); + + m_qualityLabel->setShown (mode == Quality); + m_qualityInput->setShown (mode == Quality); + + + m_colorDepthLabel->setEnabled (mode == ColorDepth); + m_colorDepthCombo->setEnabled (mode == ColorDepth); + + m_qualityLabel->setEnabled (mode == Quality); + m_qualityInput->setEnabled (mode == Quality); + + + // SYNC: HACK: When changing between color depth and quality widgets, + // we change the height of "this", causing the text on the labels + // to move but the first instance of the text doesn't get erased. + // Qt bug. + QTimer::singleShot (0, this, SLOT (repaintLabels ())); +} + +// protected slot +void kpDocumentSaveOptionsWidget::repaintLabels () +{ + if (mode () != Quality) + m_colorDepthLabel->repaint (); + if (mode () == Quality) + m_qualityLabel->repaint (); +} + + +// protected slot +void kpDocumentSaveOptionsWidget::showPreview (bool yes) +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::showPreview(" << yes << ")" + << " m_previewDialog=" << bool (m_previewDialog) + << endl; +#endif + + if (yes == bool (m_previewDialog)) + return; + + if (!m_visualParent) + return; + + if (yes) + { + m_previewDialog = new kpDocumentSaveOptionsPreviewDialog (m_visualParent, "previewSaveDialog"); + updatePreview (); + + connect (m_previewDialog, SIGNAL (finished ()), + this, SLOT (hidePreview ())); + + + KConfigGroupSaver cfgGroupSaver (KGlobal::config (), kpSettingsGroupPreviewSave); + KConfigBase *cfg = cfgGroupSaver.config (); + + if (cfg->hasKey (kpSettingPreviewSaveUpdateDelay)) + { + m_updatePreviewDelay = cfg->readNumEntry (kpSettingPreviewSaveUpdateDelay); + } + else + { + cfg->writeEntry (kpSettingPreviewSaveUpdateDelay, m_updatePreviewDelay); + cfg->sync (); + } + + if (m_updatePreviewDelay < 0) + m_updatePreviewDelay = 0; + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tread cfg preview dialog update delay=" + << m_updatePreviewDelay + << endl; + #endif + + + if (m_previewDialogLastRelativeGeometry.isEmpty ()) + { + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tread cfg preview dialog last rel geometry" << endl; + #endif + KConfigGroupSaver cfgGroupSaver (KGlobal::config (), kpSettingsGroupPreviewSave); + KConfigBase *cfg = cfgGroupSaver.config (); + + m_previewDialogLastRelativeGeometry = cfg->readRectEntry ( + kpSettingPreviewSaveGeometry); + } + + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tpreviewDialogLastRelativeGeometry=" + << m_previewDialogLastRelativeGeometry + << " visualParent->rect()=" << m_visualParent->rect () + << endl; + #endif + + QRect relativeGeometry; + if (!m_previewDialogLastRelativeGeometry.isEmpty () && + m_visualParent->rect ().intersects (m_previewDialogLastRelativeGeometry)) + { + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tok" << endl; + #endif + relativeGeometry = m_previewDialogLastRelativeGeometry; + } + else + { + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\t\tinvalid" << endl; + #endif + const int margin = 20; + + relativeGeometry = + QRect (m_visualParent->width () - + m_previewDialog->preferredMinimumSize ().width () - + margin, + margin * 2, // Avoid folder combo + m_previewDialog->preferredMinimumSize ().width (), + m_previewDialog->preferredMinimumSize ().height ()); + } + + + const QRect globalGeometry = + kpWidgetMapper::toGlobal (m_visualParent, + relativeGeometry); + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\trelativeGeometry=" << relativeGeometry + << " globalGeometry=" << globalGeometry + << endl; + #endif + + m_previewDialog->resize (globalGeometry.size ()); + m_previewDialog->move (globalGeometry.topLeft ()); + + + m_previewDialog->show (); + + + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tgeometry after show=" + << QRect (m_previewDialog->x (), m_previewDialog->y (), + m_previewDialog->width (), m_previewDialog->height ()) + << endl; + #endif + + updatePreviewDialogLastRelativeGeometry (); + + connect (m_previewDialog, SIGNAL (moved ()), + this, SLOT (updatePreviewDialogLastRelativeGeometry ())); + connect (m_previewDialog, SIGNAL (resized ()), + this, SLOT (updatePreviewDialogLastRelativeGeometry ())); + + m_updatePreviewDialogLastRelativeGeometryTimer->start (200/*ms*/); + } + else + { + m_updatePreviewDialogLastRelativeGeometryTimer->stop (); + + KConfigGroupSaver cfgGroupSaver (KGlobal::config (), kpSettingsGroupPreviewSave); + KConfigBase *cfg = cfgGroupSaver.config (); + + cfg->writeEntry (kpSettingPreviewSaveGeometry, m_previewDialogLastRelativeGeometry); + cfg->sync (); + + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tsaving preview geometry " + << m_previewDialogLastRelativeGeometry + << " (Qt would have us believe " + << kpWidgetMapper::fromGlobal (m_visualParent, + QRect (m_previewDialog->x (), m_previewDialog->y (), + m_previewDialog->width (), m_previewDialog->height ())) + << ")" + << endl; + #endif + + m_previewDialog->deleteLater (); + m_previewDialog = 0; + } +} + +// protected slot +void kpDocumentSaveOptionsWidget::hidePreview () +{ + if (m_previewButton->isOn ()) + m_previewButton->toggle (); +} + + +// protected slot +void kpDocumentSaveOptionsWidget::updatePreviewDelayed () +{ + m_updatePreviewTimer->start (m_updatePreviewDelay, true/*single shot*/); +} + +// protected slot +void kpDocumentSaveOptionsWidget::updatePreview () +{ + if (!m_previewDialog || !m_documentPixmap) + return; + + + m_updatePreviewTimer->stop (); + + + QApplication::setOverrideCursor (Qt::waitCursor); + + QByteArray data; + + QBuffer buffer (data); + buffer.open (IO_WriteOnly); + kpDocument::savePixmapToDevice (*m_documentPixmap, + &buffer, + documentSaveOptions (), + m_documentMetaInfo, + false/*no lossy prompt*/, + this); + buffer.close (); + + + QImage image; + image.loadFromData (data, + KImageIO::typeForMime (mimeType ()).latin1 ()); + + // TODO: merge with kpDocument::getPixmapFromFile() + m_previewDialog->setFilePixmapAndSize ( + kpPixmapFX::convertToPixmapAsLosslessAsPossible (image), + data.size ()); + + QApplication::restoreOverrideCursor (); +} + +// protected slot +void kpDocumentSaveOptionsWidget::updatePreviewDialogLastRelativeGeometry () +{ +#if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "kpDocumentSaveOptionsWidget::" + << "updatePreviewDialogLastRelativeGeometry()" + << endl; +#endif + + if (m_previewDialog && m_previewDialog->isVisible ()) + { + m_previewDialogLastRelativeGeometry = + kpWidgetMapper::fromGlobal (m_visualParent, + QRect (m_previewDialog->x (), m_previewDialog->y (), + m_previewDialog->width (), m_previewDialog->height ())); + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tcaching pos = " + << m_previewDialogLastRelativeGeometry + << endl; + #endif + } + else + { + #if DEBUG_KP_DOCUMENT_SAVE_OPTIONS_WIDGET + kdDebug () << "\tnot visible - ignoring geometry" << endl; + #endif + } +} + + +#include <kpdocumentsaveoptionswidget.moc> |