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Diffstat (limited to 'kolourpaint/kpmainwindow.cpp')
| -rw-r--r-- | kolourpaint/kpmainwindow.cpp | 1061 |
1 files changed, 1061 insertions, 0 deletions
diff --git a/kolourpaint/kpmainwindow.cpp b/kolourpaint/kpmainwindow.cpp new file mode 100644 index 00000000..9af3177b --- /dev/null +++ b/kolourpaint/kpmainwindow.cpp @@ -0,0 +1,1061 @@ + +/* + Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org> + 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. +*/ + + +#include <kpmainwindow.h> +#include <kpmainwindow_p.h> + +#include <qdragobject.h> +#include <qpainter.h> +#include <qtimer.h> + +#include <kactionclasses.h> +#include <kapplication.h> +#include <kconfig.h> +#include <kdebug.h> +#include <klocale.h> +#include <kmessagebox.h> +#include <kurldrag.h> + +#include <kpcolortoolbar.h> +#include <kpcommandhistory.h> +#include <kpdefs.h> +#include <kpdocument.h> +#include <kppixmapfx.h> +#include <kpselection.h> +#include <kpselectiondrag.h> +#include <kpsinglekeytriggersaction.h> +#include <kpthumbnail.h> +#include <kptool.h> +#include <kptooltoolbar.h> +#include <kpviewmanager.h> +#include <kpviewscrollablecontainer.h> +#include <kpwidgetmapper.h> +#include <kpzoomedthumbnailview.h> +#include <kpzoomedview.h> + +#if DEBUG_KP_MAIN_WINDOW + #include <qdatetime.h> +#endif + + +kpMainWindow::kpMainWindow () + : KMainWindow (0/*parent*/, "mainWindow"), + m_isFullyConstructed (false) +{ + init (); + open (KURL (), true/*create an empty doc*/); + + m_isFullyConstructed = true; +} + +kpMainWindow::kpMainWindow (const KURL &url) + : KMainWindow (0/*parent*/, "mainWindow"), + m_isFullyConstructed (false) +{ + init (); + open (url, true/*create an empty doc with the same url if url !exist*/); + + m_isFullyConstructed = true; +} + +kpMainWindow::kpMainWindow (kpDocument *newDoc) + : KMainWindow (0/*parent*/, "mainWindow"), + m_isFullyConstructed (false) +{ + init (); + setDocument (newDoc); + + m_isFullyConstructed = true; +} + + +// public +double kpMainWindow::configColorSimilarity () const +{ + return m_configColorSimilarity; +} + +// public +void kpMainWindow::configSetColorSimilarity (double val) +{ + KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupGeneral); + KConfigBase *cfg = cfgGroupSaver.config (); + + cfg->writeEntry (kpSettingColorSimilarity, m_configColorSimilarity = val); + cfg->sync (); +} + + +// private +void kpMainWindow::readGeneralSettings () +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tkpMainWindow(" << name () << ")::readGeneralSettings()" << endl; +#endif + + KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupGeneral); + KConfigBase *cfg = cfgGroupSaver.config (); + + m_configFirstTime = cfg->readBoolEntry (kpSettingFirstTime, true); + m_configShowGrid = cfg->readBoolEntry (kpSettingShowGrid, false); + m_configShowPath = cfg->readBoolEntry (kpSettingShowPath, false); + m_configColorSimilarity = cfg->readDoubleNumEntry (kpSettingColorSimilarity, 0); + d->m_moreEffectsDialogLastEffect = cfg->readNumEntry (kpSettingMoreEffectsLastEffect); + d->m_resizeScaleDialogLastKeepAspect = cfg->readBoolEntry (kpSettingResizeScaleLastKeepAspect, false); + + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\t\tGeneral Settings: firstTime=" << m_configFirstTime + << " showGrid=" << m_configShowGrid + << " showPath=" << m_configShowPath + << " colorSimilarity=" << m_configColorSimilarity + << " moreEffectsDialogLastEffect=" << d->m_moreEffectsDialogLastEffect + << " resizeScaleDialogLastKeepAspect=" << d->m_resizeScaleDialogLastKeepAspect + << endl; +#endif +} + +// private +void kpMainWindow::readThumbnailSettings () +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tkpMainWindow(" << name () << ")::readThumbnailSettings()" << endl; +#endif + + KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupThumbnail); + KConfigBase *cfg = cfgGroupSaver.config (); + + m_configThumbnailShown = cfg->readBoolEntry (kpSettingThumbnailShown, false); + m_configThumbnailGeometry = cfg->readRectEntry (kpSettingThumbnailGeometry); + m_configZoomedThumbnail = cfg->readBoolEntry (kpSettingThumbnailZoomed, true); + d->m_configThumbnailShowRectangle = cfg->readBoolEntry (kpSettingThumbnailShowRectangle, true); + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\t\tThumbnail Settings: shown=" << m_configThumbnailShown + << " geometry=" << m_configThumbnailGeometry + << " zoomed=" << m_configZoomedThumbnail + << " showRectangle=" << d->m_configThumbnailShowRectangle + << endl; +#endif +} + +// private +void kpMainWindow::init () +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow(" << name () << ")::init()" << endl; + QTime totalTime; totalTime.start (); + QTime time; time.start (); +#endif + + d = new kpMainWindowPrivate; + + m_scrollView = 0; + m_mainView = 0; + m_thumbnail = 0; + m_thumbnailView = 0; + m_document = 0; + m_viewManager = 0; + m_colorToolBar = 0; + m_toolToolBar = 0; + m_commandHistory = 0; + m_statusBarCreated = false; + m_settingSelectionTransparency = 0; + m_settingTextStyle = 0; + + m_docResizeToBeCompleted = false; + + + // + // set mainwindow properties + // + + setMinimumSize (320, 260); + setAcceptDrops (true); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: little init = " << time.restart () << "msec" << endl; +#endif + + + // + // read config + // + + // KConfig::readEntry() does not actually reread from disk, hence doesn't + // realise what other processes have done e.g. Settings / Show Path + kapp->config ()->reparseConfiguration (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: reparseConfig = " << time.restart () << "msec" << endl; +#endif + + readGeneralSettings (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: readGeneralSettings = " << time.restart () << "msec" << endl; +#endif + + readThumbnailSettings (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: readThumbnailSettings = " << time.restart () << "msec" << endl; +#endif + + + // + // create GUI + // + + setupActions (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: setupActions = " << time.restart () << "msec" << endl; +#endif + + createStatusBar (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: createStatusBar = " << time.restart () << "msec" << endl; +#endif + + createGUI (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: createGUI = " << time.restart () << "msec" << endl; +#endif + + + // + // create more GUI + // + + m_colorToolBar = new kpColorToolBar (i18n ("Color Box"), this, "Color Box"); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: new kpColorToolBar = " << time.restart () << "msec" << endl; +#endif + + createToolBox (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: createToolBox = " << time.restart () << "msec" << endl; +#endif + + m_scrollView = new kpViewScrollableContainer (this, "scrollView"); + connect (m_scrollView, SIGNAL (beganDocResize ()), + this, SLOT (slotBeganDocResize ())); + connect (m_scrollView, SIGNAL (continuedDocResize (const QSize &)), + this, SLOT (slotContinuedDocResize (const QSize &))); + connect (m_scrollView, SIGNAL (cancelledDocResize ()), + this, SLOT (slotCancelledDocResize ())); + connect (m_scrollView, SIGNAL (endedDocResize (const QSize &)), + this, SLOT (slotEndedDocResize (const QSize &))); + + connect (m_scrollView, SIGNAL (statusMessageChanged (const QString &)), + this, SLOT (slotDocResizeMessageChanged (const QString &))); + + connect (m_scrollView, SIGNAL (contentsMoving (int, int)), + this, SLOT (slotScrollViewAboutToScroll ())); + setCentralWidget (m_scrollView); + m_scrollView->show (); +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tTIME: m_scrollView = " << time.restart () << "msec" << endl; +#endif + + + // + // set initial pos/size of GUI + // + + setAutoSaveSettings (); + + // Put our non-XMLGUI toolbars in a sane place, the first time around + // (have to do this _after_ setAutoSaveSettings as that applies default + // (i.e. random) settings to the toolbars) + if (m_configFirstTime) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tfirstTime: positioning toolbars" << endl; + #endif + + m_toolToolBar->setBarPos (KToolBar::Left); + m_colorToolBar->setBarPos (KToolBar::Bottom); + + KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupGeneral); + KConfigBase *cfg = cfgGroupSaver.config (); + + cfg->writeEntry (kpSettingFirstTime, m_configFirstTime = false); + cfg->sync (); + } + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tall done in " << totalTime.elapsed () << "msec" << endl; +#endif +} + + +// private virtual [base KMainWindow] +void kpMainWindow::readProperties (KConfig *cfg) +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow<" << this << ">::readProperties()" << endl; +#endif + + // No document at all? + if (!cfg->hasKey (kpSessionSettingDocumentUrl)) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tno url - no document" << endl; + #endif + setDocument (0); + } + // Have a document. + else + { + const KURL url (cfg->readEntry (kpSessionSettingDocumentUrl)); + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\turl=" << url << endl; + #endif + + const QSize notFromURLDocSize = + cfg->readSizeEntry (kpSessionSettingNotFromUrlDocumentSize); + + // Is from URL? + if (notFromURLDocSize.isEmpty ()) + { + // If this fails, the empty document that kpMainWindow::kpMainWindow() + // created is left untouched. + openInternal (url, defaultDocSize (), + false/*show error message if url !exist*/); + } + // Not from URL? + else + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tnot from url; doc size=" << notFromURLDocSize << endl; + #endif + // Either we have an empty URL or we have a "kolourpaint doesnotexist.png" + // URL. Regarding the latter case, if a file now actually exists at that + // URL, we do open it - ignoring notFromURLDocSize - to avoid putting + // the user in a situation where he might accidentally overwrite an + // existing file. + openInternal (url, notFromURLDocSize, + true/*create an empty doc with the same url if url !exist*/); + } + } + +} + +// private virtual [base KMainWindow] +// WARNING: KMainWindow API Doc says "No user interaction is allowed +// in this function!" +void kpMainWindow::saveProperties (KConfig *cfg) +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow<" << this << ">::saveProperties()" << endl; +#endif + + // No document at all? + if (!m_document) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tno url - no document" << endl; + #endif + } + // Have a document. + else + { + // Save URL in all cases: + // + // a) m_document->isFromURL() + // b) !m_document->isFromURL() [save size in this case] + // i) No URL + // ii) URL (from "kolourpaint doesnotexist.png") + + const KURL url = m_document->url (); + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\turl=" << url << endl; + #endif + cfg->writeEntry (kpSessionSettingDocumentUrl, url.url ()); + + // Not from URL e.g. "kolourpaint doesnotexist.png"? + // + // Note that "kolourpaint doesexist.png" is considered to be from + // a URL even if it was deleted in the background (hence the + // "false" arg to isFromURL()). This is because the user expects + // it to be from a URL, so when we session restore, we pop up a + // "cannot find file" dialog, instead of silently creating a new, + // blank document. + if (!m_document->isFromURL (false/*don't bother checking exists*/)) + { + // If we don't have a URL either: + // + // a) it was not modified - so we can use either width() or + // constructorWidth() (they'll be equal). + // b) the changes were discarded so we use the initial width, + // constructorWidth(). + // + // Similarly for height() and constructorHeight(). + const QSize docSize (m_document->constructorWidth (), + m_document->constructorHeight ()); + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tnot from url; doc size=" << docSize << endl; + #endif + cfg->writeEntry (kpSessionSettingNotFromUrlDocumentSize, docSize); + } + + + // Local session save i.e. queryClose() was not called beforehand + // (see QApplication::saveState())? + #if 0 + if (m_document->isModified ()) + { + // TODO: Implement by saving the current image to a persistent file. + // We do this instead of saving/mutating the backing image file + // as no one expects a file save on a session save without a + // "do you want to save" dialog first. + // + // I don't think any KDE application implements local session saving. + // + // --- The below code does not compile but shows you want to do --- + + // Create unique name for the document in this main window. + const KURL tempURL = homeDir + + "kolourpaint session " + sessionID + + mainWindowPtrToString + ".png"; + // TODO: Use lossless PNG saving options. + kpDocumentSaveOptions pngSaveOptions; + + if (kpDocument::savePixmapToFile (m_document->pixmapWithSelection (), + tempURL, + pngSaveOptions, *m_document->metaInfo (), + false/*no overwrite prompt*/, + false/*no lossy prompt*/, + this)) + { + // readProperties() will still open kpSessionSettingDocumentUrl + // (as that's the expected URL) and will then add commands to: + // + // 1. Resize the document to the size of image at + // kpSessionSettingDocumentUnsavedContentsUrl, if the sizes + // differ. + // 2. Paste the kpSessionSettingDocumentUnsavedContentsUrl image + // (setting the main window's selection mode to opaque beforehand). + // + // It will then delete the file at + // kpSessionSettingDocumentUnsavedContentsUrl. + cfg->writeEntry (kpSessionSettingDocumentUnsavedContentsUrl, + tempURL.url ()); + } + else + { + // Not much we can do - we aren't allowed to throw up a dialog. + } + } + #endif + } +} + + +kpMainWindow::~kpMainWindow () +{ + m_isFullyConstructed = false; + + // delete document & views + setDocument (0); + + delete m_commandHistory; m_commandHistory = 0; + delete m_scrollView; m_scrollView = 0; + + delete d; d = 0; +} + + +// public +kpDocument *kpMainWindow::document () const +{ + return m_document; +} + +// public +kpViewManager *kpMainWindow::viewManager () const +{ + return m_viewManager; +} + +// public +kpColorToolBar *kpMainWindow::colorToolBar () const +{ + return m_colorToolBar; +} + +// public +kpToolToolBar *kpMainWindow::toolToolBar () const +{ + return m_toolToolBar; +} + +// public +kpCommandHistory *kpMainWindow::commandHistory () const +{ + return m_commandHistory; +} + + +// private +void kpMainWindow::setupActions () +{ + setupFileMenuActions (); + setupEditMenuActions (); + setupViewMenuActions (); + setupImageMenuActions (); + setupSettingsMenuActions (); + setupHelpMenuActions (); + + setupTextToolBarActions (); + setupToolActions (); +} + +// private +void kpMainWindow::enableDocumentActions (bool enable) +{ + enableFileMenuDocumentActions (enable); + enableEditMenuDocumentActions (enable); + enableViewMenuDocumentActions (enable); + enableImageMenuDocumentActions (enable); + enableSettingsMenuDocumentActions (enable); + enableHelpMenuDocumentActions (enable); +} + + +// public +bool kpMainWindow::actionsSingleKeyTriggersEnabled () const +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow::actionsSingleKeyTriggersEnabled()" << endl; + QTime timer; timer.start (); +#endif + + if (m_toolToolBar) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\ttime=" << timer.restart () << endl; + #endif + return m_toolToolBar->toolsSingleKeyTriggersEnabled (); + } + + return (m_actionPrevToolOptionGroup1->singleKeyTriggersEnabled () || + m_actionNextToolOptionGroup1->singleKeyTriggersEnabled () || + m_actionPrevToolOptionGroup2->singleKeyTriggersEnabled () || + m_actionNextToolOptionGroup2->singleKeyTriggersEnabled ()); +} + +// public +void kpMainWindow::enableActionsSingleKeyTriggers (bool enable) +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow::enableActionsSingleKeyTriggers(" + << enable << ")" << endl; + QTime timer; timer.start (); +#endif + + if (m_toolToolBar) + m_toolToolBar->enableToolsSingleKeyTriggers (enable); + + m_actionPrevToolOptionGroup1->enableSingleKeyTriggers (enable); + m_actionNextToolOptionGroup1->enableSingleKeyTriggers (enable); + m_actionPrevToolOptionGroup2->enableSingleKeyTriggers (enable); + m_actionNextToolOptionGroup2->enableSingleKeyTriggers (enable); + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\ttime=" << timer.restart () << endl; +#endif +} + + +// private +void kpMainWindow::setDocument (kpDocument *newDoc) +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow::setDocument (" << newDoc << ")" << endl; +#endif + + // is it a close operation? + if (!newDoc) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tdisabling actions" << endl; + #endif + + // sync with the bit marked "sync" below + + if (m_colorToolBar) + m_colorToolBar->setEnabled (false); + else + { + kdError () << "kpMainWindow::setDocument() without colorToolBar" + << endl; + } + + enableTextToolBarActions (false); + } + + // Always disable the tools. + // If we decide to open a new document/mainView we want + // kpTool::begin() to be called again e.g. in case it sets the cursor. + // kpViewManager won't do this because we nuke it to avoid stale state. + enableToolsDocumentActions (false); + + if (!newDoc) + { + enableDocumentActions (false); + } + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tdestroying views" << endl; +#endif + + delete m_mainView; m_mainView = 0; + slotDestroyThumbnail (); + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tdestroying viewManager" << endl; +#endif + + // viewManager will die and so will the selection + m_actionCopy->setEnabled (false); + m_actionCut->setEnabled (false); + m_actionDelete->setEnabled (false); + m_actionDeselect->setEnabled (false); + m_actionCopyToFile->setEnabled (false); + + delete m_viewManager; m_viewManager = 0; + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tdestroying document" << endl; + kdDebug () << "\t\tm_document=" << m_document << endl; +#endif + // destroy current document + delete m_document; + m_document = newDoc; + + + if (!m_lastCopyToURL.isEmpty ()) + m_lastCopyToURL.setFileName (QString::null); + m_copyToFirstTime = true; + + if (!m_lastExportURL.isEmpty ()) + m_lastExportURL.setFileName (QString::null); + m_exportFirstTime = true; + + + // not a close operation? + if (m_document) + { + if (m_document->mainWindow () != this) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tchanging doc's mainWindow from " + << m_document->mainWindow () + << " to this=" + << this + << endl; + #endif + m_document->setMainWindow (this); + } + + #if DEBUG_KP_MAIN_WINDOW + kdDebug () <<"\tcreating viewManager" << endl; + #endif + m_viewManager = new kpViewManager (this); + + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tcreating views" << endl; + #endif + m_mainView = new kpZoomedView (m_document, m_toolToolBar, m_viewManager, + 0/*buddyView*/, + m_scrollView, + m_scrollView->viewport (), "mainView"); + if (m_scrollView) + { + m_scrollView->addChild (m_mainView); + } + else + kdError () << "kpMainWindow::setDocument() without scrollView" << endl; + m_viewManager->registerView (m_mainView); + m_mainView->show (); + + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\thooking up document signals" << endl; + #endif + + // Copy/Cut/Deselect/Delete + connect (m_document, SIGNAL (selectionEnabled (bool)), + m_actionCut, SLOT (setEnabled (bool))); + connect (m_document, SIGNAL (selectionEnabled (bool)), + m_actionCopy, SLOT (setEnabled (bool))); + connect (m_document, SIGNAL (selectionEnabled (bool)), + m_actionDelete, SLOT (setEnabled (bool))); + connect (m_document, SIGNAL (selectionEnabled (bool)), + m_actionDeselect, SLOT (setEnabled (bool))); + connect (m_document, SIGNAL (selectionEnabled (bool)), + m_actionCopyToFile, SLOT (setEnabled (bool))); + + // this code won't actually enable any actions at this stage + // (fresh document) but better safe than sorry + m_actionCopy->setEnabled (m_document->selection ()); + m_actionCut->setEnabled (m_document->selection ()); + m_actionDeselect->setEnabled (m_document->selection ()); + m_actionDelete->setEnabled (m_document->selection ()); + m_actionCopyToFile->setEnabled (m_document->selection ()); + + connect (m_document, SIGNAL (selectionEnabled (bool)), + this, SLOT (slotImageMenuUpdateDueToSelection ())); + connect (m_document, SIGNAL (selectionIsTextChanged (bool)), + this, SLOT (slotImageMenuUpdateDueToSelection ())); + + // Status bar + connect (m_document, SIGNAL (documentOpened ()), + this, SLOT (recalculateStatusBar ())); + + connect (m_document, SIGNAL (sizeChanged (const QSize &)), + this, SLOT (setStatusBarDocSize (const QSize &))); + + // Caption (url, modified) + connect (m_document, SIGNAL (documentModified ()), + this, SLOT (slotUpdateCaption ())); + connect (m_document, SIGNAL (documentOpened ()), + this, SLOT (slotUpdateCaption ())); + connect (m_document, SIGNAL (documentSaved ()), + this, SLOT (slotUpdateCaption ())); + + // File/Reload action only available with non-empty URL + connect (m_document, SIGNAL (documentSaved ()), + this, SLOT (slotEnableReload ())); + + connect (m_document, SIGNAL (documentSaved ()), + this, SLOT (slotEnableSettingsShowPath ())); + + // Command history + if (m_commandHistory) + { + connect (m_commandHistory, SIGNAL (documentRestored ()), + this, SLOT (slotDocumentRestored ())); // caption "!modified" + connect (m_document, SIGNAL (documentSaved ()), + m_commandHistory, SLOT (documentSaved ())); + } + else + { + kdError () << "kpMainWindow::setDocument() without commandHistory" + << endl; + } + + // Sync document -> views + connect (m_document, SIGNAL (contentsChanged (const QRect &)), + m_viewManager, SLOT (updateViews (const QRect &))); + connect (m_document, SIGNAL (sizeChanged (int, int)), + m_viewManager, SLOT (adjustViewsToEnvironment ())); + + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tenabling actions" << endl; + #endif + + // sync with the bit marked "sync" above + + if (m_colorToolBar) + m_colorToolBar->setEnabled (true); + else + { + kdError () << "kpMainWindow::setDocument() without colorToolBar" + << endl; + } + + + // Hide the text toolbar - it will be shown by kpToolText::begin() + enableTextToolBarActions (false); + + enableToolsDocumentActions (true); + + enableDocumentActions (true); + + // TODO: The thumbnail auto zoom doesn't work because it thinks its + // width == 1 when !this->isShown(). So for consistency, + // never create the thumbnail. + #if 0 + if (m_configThumbnailShown) + { + if (isShown ()) + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tcreating thumbnail immediately" << endl; + #endif + slotCreateThumbnail (); + } + // this' geometry is weird ATM + else + { + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tcreating thumbnail LATER" << endl; + #endif + QTimer::singleShot (0, this, SLOT (slotCreateThumbnail ())); + } + } + #endif + } + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tupdating mainWindow elements" << endl; +#endif + + slotImageMenuUpdateDueToSelection (); + recalculateStatusBar (); + slotUpdateCaption (); // Untitled to start with + slotEnableReload (); + slotEnableSettingsShowPath (); + + if (m_commandHistory) + m_commandHistory->clear (); + +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tdocument and views ready to go!" << endl; +#endif +} + + +// private virtual [base KMainWindow] +bool kpMainWindow::queryClose () +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow::queryClose()" << endl; +#endif + if (toolHasBegunShape ()) + tool ()->endShapeInternal (); + + if (!m_document || !m_document->isModified ()) + return true; // ok to close current doc + + int result = KMessageBox::warningYesNoCancel (this, + i18n ("The document \"%1\" has been modified.\n" + "Do you want to save it?") + .arg (m_document->prettyFilename ()), + QString::null/*caption*/, + KStdGuiItem::save (), KStdGuiItem::discard ()); + + switch (result) + { + case KMessageBox::Yes: + return slotSave (); // close only if save succeeds + case KMessageBox::No: + return true; // close without saving + default: + return false; // don't close current doc + } +} + + +// private virtual [base QWidget] +void kpMainWindow::dragEnterEvent (QDragEnterEvent *e) +{ + e->accept (kpSelectionDrag::canDecode (e) || + KURLDrag::canDecode (e) || + QTextDrag::canDecode (e)); +} + +// private virtual [base QWidget] +void kpMainWindow::dropEvent (QDropEvent *e) +{ +#if DEBUG_KP_MAIN_WINDOW + kdDebug () << "kpMainWindow::dropEvent" << e->pos () << endl; +#endif + + kpSelection sel; + KURL::List urls; + QString text; + + if (kpSelectionDrag::decode (e, sel/*ref*/, pasteWarnAboutLossInfo ())) + { + sel.setTransparency (selectionTransparency ()); + // TODO: drop at point like with QTextDrag below? + paste (sel); + } + else if (KURLDrag::decode (e, urls/*ref*/)) + { + for (KURL::List::ConstIterator it = urls.begin (); it != urls.end (); it++) + { + open (*it); + } + } + else if (QTextDrag::decode (e, text/*ref*/)) + { + QPoint selTopLeft = KP_INVALID_POINT; + const QPoint globalPos = QWidget::mapToGlobal (e->pos ()); + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\tpos toGlobal=" << globalPos << endl; + #endif + + kpView *view = 0; + + if (m_viewManager) + { + view = m_viewManager->viewUnderCursor (); + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\t\tviewUnderCursor=" << view << endl; + #endif + if (!view) + { + // HACK: see kpViewManager::setViewUnderCursor() to see why + // it's not reliable + #if DEBUG_KP_MAIN_WINDOW + kdDebug () << "\t\tattempting to discover view" << endl; + + if (m_mainView && m_scrollView) + { + kdDebug () << "\t\t\tmainView->globalRect=" + << kpWidgetMapper::toGlobal (m_mainView, m_mainView->rect ()) + << " scrollView->globalRect=" + << kpWidgetMapper::toGlobal (m_scrollView, + QRect (0, 0, + m_scrollView->visibleWidth (), + m_scrollView->visibleHeight ())) + << endl; + } + #endif + if (m_thumbnailView && + kpWidgetMapper::toGlobal (m_thumbnailView, m_thumbnailView->rect ()) + .contains (globalPos)) + { + // TODO: Code will never get executed. + // Thumbnail doesn't accept drops. + view = m_thumbnailView; + } + else if (m_mainView && + kpWidgetMapper::toGlobal (m_mainView, m_mainView->rect ()) + .contains (globalPos) && + m_scrollView && + kpWidgetMapper::toGlobal (m_scrollView, + QRect (0, 0, + m_scrollView->visibleWidth (), + m_scrollView->visibleHeight ())) + .contains (globalPos)) + { + view = m_mainView; + } + } + } + + if (view) + { + const QPoint viewPos = view->mapFromGlobal (globalPos); + const QPoint docPoint = view->transformViewToDoc (viewPos); + + // viewUnderCursor() is hacky and can return a view when we aren't + // over one thanks to drags. + if (m_document && m_document->rect ().contains (docPoint)) + { + selTopLeft = docPoint; + + // TODO: In terms of doc pixels, would be inconsistent behaviour + // based on zoomLevel of view. + // selTopLeft -= QPoint (-view->selectionResizeHandleAtomicSize (), + // -view->selectionResizeHandleAtomicSize ()); + } + } + + pasteText (text, true/*force new text selection*/, selTopLeft); + } +} + + +// private slot +void kpMainWindow::slotScrollViewAboutToScroll () +{ +#if DEBUG_KP_MAIN_WINDOW && 0 + kdDebug () << "kpMainWindow::slotScrollViewAboutToScroll() tool=" + << tool () << " viewManager=" << viewManager () << endl; + if (viewManager ()) + { + kdDebug () << "\tfastUpdates=" << viewManager ()->fastUpdates () + << " queueUpdates=" << viewManager ()->queueUpdates () + << endl; + } + else + { + // We're getting a late signal from the scrollview (thanks to + // a timer inside the QScrollView). By now, setDocument() has + // already killed the document(), tool() and viewManager(). + } +#endif + + QTimer::singleShot (0, this, SLOT (slotScrollViewAfterScroll ())); +} + +// private slot +void kpMainWindow::slotScrollViewAfterScroll () +{ +#if DEBUG_KP_MAIN_WINDOW && 0 + kdDebug () << "kpMainWindow::slotScrollViewAfterScroll() tool=" + << tool () << endl; +#endif + + if (tool ()) + { + tool ()->somethingBelowTheCursorChanged (); + } +} + + +// private virtual [base QWidget] +void kpMainWindow::moveEvent (QMoveEvent * /*e*/) +{ + if (m_thumbnail) + { + // Disabled because it lags too far behind the mainWindow + // m_thumbnail->move (m_thumbnail->pos () + (e->pos () - e->oldPos ())); + + notifyThumbnailGeometryChanged (); + } +} + + +// private slot +void kpMainWindow::slotUpdateCaption () +{ + if (m_document) + { + setCaption (m_configShowPath ? m_document->prettyURL () + : m_document->prettyFilename (), + m_document->isModified ()); + } + else + { + setCaption (QString::null, false); + } +} + +// private slot +void kpMainWindow::slotDocumentRestored () +{ + if (m_document) + m_document->setModified (false); + slotUpdateCaption (); +} + + +#include <kpmainwindow.moc> |