File indexing completed on 2024-04-28 04:20:21

 
 /*
    Copyright (c) 2003-2007 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 "mainWindow/kpMainWindow.h"
 #include "kpMainWindowPrivate.h"
 
 #include "layers/selections/image/kpAbstractImageSelection.h"
 #include "imagelib/kpColor.h"
 #include "kpDefs.h"
 #include "widgets/toolbars/kpColorToolBar.h"
 #include "commands/kpCommandHistory.h"
 #include "document/kpDocument.h"
 #include "commands/imagelib/effects/kpEffectInvertCommand.h"
 #include "commands/imagelib/effects/kpEffectReduceColorsCommand.h"
 #include "dialogs/imagelib/effects/kpEffectsDialog.h"
 #include "commands/imagelib/effects/kpEffectClearCommand.h"
 #include "commands/imagelib/effects/kpEffectGrayscaleCommand.h"
 #include "commands/kpMacroCommand.h"
 #include "layers/selections/text/kpTextSelection.h"
 #include "commands/tools/selection/kpToolSelectionCreateCommand.h"
 #include "commands/tools/selection/kpToolSelectionPullFromDocumentCommand.h"
 #include "commands/tools/selection/text/kpToolTextGiveContentCommand.h"
 #include "imagelib/transforms/kpTransformAutoCrop.h"
 #include "imagelib/transforms/kpTransformCrop.h"
 #include "environments/dialogs/imagelib/transforms/kpTransformDialogEnvironment.h"
 #include "commands/imagelib/transforms/kpTransformFlipCommand.h"
 #include "commands/imagelib/transforms/kpTransformResizeScaleCommand.h"
 #include "dialogs/imagelib/transforms/kpTransformResizeScaleDialog.h"
 #include "commands/imagelib/transforms/kpTransformRotateCommand.h"
 #include "dialogs/imagelib/transforms/kpTransformRotateDialog.h"
 #include "commands/imagelib/transforms/kpTransformSkewCommand.h"
 #include "dialogs/imagelib/transforms/kpTransformSkewDialog.h"
 #include "views/manager/kpViewManager.h"
 #include "commands/imagelib/effects/kpEffectBlurSharpenCommand.h"
 #include "imagelib/effects/kpEffectBlurSharpen.h"
 #include "kpLogCategories.h"
 
 #include <KActionCollection>
 #include <KSharedConfig>
 #include <KConfigGroup>
 #include <KLocalizedString>
 
 #include <QAction>
 #include <QMenuBar>
 #include <QSize>
 
 
 //---------------------------------------------------------------------
 
 // private
 kpTransformDialogEnvironment *kpMainWindow::transformDialogEnvironment ()
 {
     if (!d->transformDialogEnvironment)
         d->transformDialogEnvironment = new kpTransformDialogEnvironment (this);
 
     return d->transformDialogEnvironment;
 }
 
 //---------------------------------------------------------------------
 
 // private
 bool kpMainWindow::isSelectionActive () const
 {
     return (d->document ? bool (d->document->selection ()) : false);
 }
 
 //---------------------------------------------------------------------
 
 // private
 bool kpMainWindow::isTextSelection () const
 {
     return (d->document && d->document->textSelection ());
 }
 
 //---------------------------------------------------------------------
 
 // private
 QString kpMainWindow::autoCropText () const
 {
     return kpTransformAutoCropCommand::text(isSelectionActive(),
                                             kpTransformAutoCropCommand::ShowAccel);
 }
 
 //---------------------------------------------------------------------
 
 // private
 void kpMainWindow::setupImageMenuActions ()
 {
     KActionCollection *ac = actionCollection ();
 
     d->actionResizeScale = ac->addAction (QStringLiteral("image_resize_scale"));
     d->actionResizeScale->setText (i18n ("R&esize / Scale..."));
     connect (d->actionResizeScale, &QAction::triggered, this, &kpMainWindow::slotResizeScale);
 
     ac->setDefaultShortcut (d->actionResizeScale, Qt::CTRL | Qt::Key_E);
 
     d->actionCrop = ac->addAction (QStringLiteral("image_crop"));
     d->actionCrop->setText (i18n ("Se&t as Image (Crop)"));
     connect (d->actionCrop, &QAction::triggered, this, &kpMainWindow::slotCrop);
     ac->setDefaultShortcut (d->actionCrop, Qt::CTRL | Qt::Key_T);
 
     d->actionAutoCrop = ac->addAction (QStringLiteral("image_auto_crop"));
     d->actionAutoCrop->setText (autoCropText ());
     connect (d->actionAutoCrop, &QAction::triggered, this, &kpMainWindow::slotAutoCrop);
     ac->setDefaultShortcut (d->actionAutoCrop, Qt::CTRL | Qt::Key_U);
 
     d->actionFlip = ac->addAction (QStringLiteral("image_flip"));
     d->actionFlip->setText (i18n ("&Flip (upside down)"));
     connect (d->actionFlip, &QAction::triggered, this, &kpMainWindow::slotFlip);
     ac->setDefaultShortcut (d->actionFlip, Qt::CTRL | Qt::Key_F);
 
     d->actionMirror = ac->addAction (QStringLiteral("image_mirror"));
     d->actionMirror->setText (i18n ("Mirror (horizontally)"));
     connect (d->actionMirror, &QAction::triggered, this, &kpMainWindow::slotMirror);
     //ac->setDefaultShortcut (d->actionMirror, Qt::CTRL | Qt::Key_M);
 
     d->actionRotate = ac->addAction (QStringLiteral("image_rotate"));
     d->actionRotate->setText (i18n ("&Rotate..."));
     d->actionRotate->setIcon(QIcon::fromTheme(QStringLiteral("transform-rotate")));
     connect (d->actionRotate, &QAction::triggered, this, &kpMainWindow::slotRotate);
     ac->setDefaultShortcut (d->actionRotate, Qt::CTRL | Qt::Key_R);
 
     d->actionRotateLeft = ac->addAction (QStringLiteral("image_rotate_270deg"));
     d->actionRotateLeft->setText (i18n ("Rotate &Left"));
     d->actionRotateLeft->setIcon(QIcon::fromTheme(QStringLiteral("object-rotate-left")));
     connect (d->actionRotateLeft, &QAction::triggered, this, &kpMainWindow::slotRotate270);
     ac->setDefaultShortcut (d->actionRotateLeft, Qt::CTRL | Qt::SHIFT | Qt::Key_Left);
 
     d->actionRotateRight = ac->addAction (QStringLiteral("image_rotate_90deg"));
     d->actionRotateRight->setText (i18n ("Rotate Righ&t"));
     d->actionRotateRight->setIcon(QIcon::fromTheme(QStringLiteral("object-rotate-right")));
     connect (d->actionRotateRight, &QAction::triggered, this, &kpMainWindow::slotRotate90);
     ac->setDefaultShortcut (d->actionRotateRight, Qt::CTRL | Qt::SHIFT | Qt::Key_Right);
 
     d->actionSkew = ac->addAction (QStringLiteral("image_skew"));
     d->actionSkew->setText (i18n ("S&kew..."));
     connect (d->actionSkew, &QAction::triggered, this, &kpMainWindow::slotSkew);
     ac->setDefaultShortcut (d->actionSkew, Qt::CTRL | Qt::Key_K);
 
     d->actionConvertToBlackAndWhite = ac->addAction (QStringLiteral("image_convert_to_black_and_white"));
     d->actionConvertToBlackAndWhite->setText (i18n ("Reduce to Mo&nochrome (Dithered)"));
     connect (d->actionConvertToBlackAndWhite, &QAction::triggered,
              this, &kpMainWindow::slotConvertToBlackAndWhite);
 
     d->actionConvertToGrayscale = ac->addAction (QStringLiteral("image_convert_to_grayscale"));
     d->actionConvertToGrayscale->setText (i18n ("Reduce to &Grayscale"));
     connect (d->actionConvertToGrayscale, &QAction::triggered, this, &kpMainWindow::slotConvertToGrayscale);
 
     d->actionInvertColors = ac->addAction (QStringLiteral("image_invert_colors"));
     d->actionInvertColors->setText (i18n ("&Invert Colors"));
     connect (d->actionInvertColors, &QAction::triggered, this, &kpMainWindow::slotInvertColors);
     ac->setDefaultShortcut (d->actionInvertColors, Qt::CTRL | Qt::Key_I);
 
     d->actionClear = ac->addAction (QStringLiteral("image_clear"));
     d->actionClear->setText (i18n ("C&lear"));
     connect (d->actionClear, &QAction::triggered, this, &kpMainWindow::slotClear);
     ac->setDefaultShortcut (d->actionClear, Qt::CTRL | Qt::SHIFT | Qt::Key_N);
 
     d->actionBlur = ac->addAction(QStringLiteral("image_make_confidential"));
     d->actionBlur->setText(i18n("Make Confidential"));
     connect(d->actionBlur, &QAction::triggered, this, &kpMainWindow::slotMakeConfidential);
 
     d->actionMoreEffects = ac->addAction (QStringLiteral("image_more_effects"));
     d->actionMoreEffects->setText (i18n ("&More Effects..."));
     connect (d->actionMoreEffects, &QAction::triggered, this, &kpMainWindow::slotMoreEffects);
     ac->setDefaultShortcut (d->actionMoreEffects, Qt::CTRL | Qt::Key_M);
 
 
     enableImageMenuDocumentActions (false);
 }
 
 //---------------------------------------------------------------------
 
 // private
 void kpMainWindow::enableImageMenuDocumentActions (bool enable)
 {
     d->actionResizeScale->setEnabled (enable);
     d->actionCrop->setEnabled (enable);
     d->actionAutoCrop->setEnabled (enable);
     d->actionFlip->setEnabled (enable);
     d->actionMirror->setEnabled (enable);
     d->actionRotate->setEnabled (enable);
     d->actionRotateLeft->setEnabled (enable);
     d->actionRotateRight->setEnabled (enable);
     d->actionSkew->setEnabled (enable);
     d->actionConvertToBlackAndWhite->setEnabled (enable);
     d->actionConvertToGrayscale->setEnabled (enable);
     d->actionInvertColors->setEnabled (enable);
     d->actionClear->setEnabled (enable);
     d->actionBlur->setEnabled (enable);
     d->actionMoreEffects->setEnabled (enable);
 
     d->imageMenuDocumentActionsEnabled = enable;
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotImageMenuUpdateDueToSelection ()
 {
     // SYNC: kolourpaintui.rc
     const QString MenuBarItemTextImage = i18nc (
         "Image/Selection Menu caption - make sure the translation has"
         " the same accel as the Select&ion translation",
         "&Image");
     const QString MenuBarItemTextSelection = i18nc (
         "Image/Selection Menu caption - make sure that translation has"
         " the same accel as the &Image translation",
         "Select&ion");
 
     Q_ASSERT (menuBar ());
     for (auto *action : menuBar ()->actions ())
     {
         if (action->text () == MenuBarItemTextImage ||
             action->text () == MenuBarItemTextSelection)
         {
             if (isSelectionActive ()) {
                 action->setText (MenuBarItemTextSelection);
             }
             else {
                 action->setText (MenuBarItemTextImage);
             }
 
             break;
         }
     }
 
 
     d->actionResizeScale->setEnabled (d->imageMenuDocumentActionsEnabled);
     d->actionCrop->setEnabled (d->imageMenuDocumentActionsEnabled &&
                               isSelectionActive ());
 
     const bool enable = (d->imageMenuDocumentActionsEnabled && !isTextSelection ());
     d->actionAutoCrop->setText (autoCropText ());
     d->actionAutoCrop->setEnabled (enable);
     d->actionFlip->setEnabled (enable);
     d->actionMirror->setEnabled (enable);
     d->actionRotate->setEnabled (enable);
     d->actionRotateLeft->setEnabled (enable);
     d->actionRotateRight->setEnabled (enable);
     d->actionSkew->setEnabled (enable);
     d->actionConvertToBlackAndWhite->setEnabled (enable);
     d->actionConvertToGrayscale->setEnabled (enable);
     d->actionInvertColors->setEnabled (enable);
     d->actionClear->setEnabled (enable);
     d->actionBlur->setEnabled (enable);
     d->actionMoreEffects->setEnabled (enable);
 }
 
 //---------------------------------------------------------------------
 
 // public
 kpColor kpMainWindow::backgroundColor (bool ofSelection) const
 {
     if (ofSelection) {
         return kpColor::Transparent;
     }
 
     Q_ASSERT (d->colorToolBar);
     return d->colorToolBar->backgroundColor ();
 }
 
 //---------------------------------------------------------------------
 
 // public
 // REFACTOR: sync: Code dup with kpAbstractSelectionTool::addNeedingContentCommand().
 void kpMainWindow::addImageOrSelectionCommand (kpCommand *cmd,
     bool addSelCreateCmdIfSelAvail,
     bool addSelContentCmdIfSelAvail)
 {
 #if DEBUG_KP_MAIN_WINDOW && 1
     qCDebug(kpLogMainWindow) << "kpMainWindow::addImageOrSelectionCommand()"
                << " addSelCreateCmdIfSelAvail=" << addSelCreateCmdIfSelAvail
                << " addSelContentCmdIfSelAvail=" << addSelContentCmdIfSelAvail;
 #endif
 
     Q_ASSERT (d->document);
 
 
     if (d->viewManager) {
         d->viewManager->setQueueUpdates ();
     }
 
 
     kpAbstractSelection *sel = d->document->selection ();
 #if DEBUG_KP_MAIN_WINDOW && 1
     qCDebug(kpLogMainWindow) << "\timage sel=" << sel
                << " sel->hasContent=" << (sel ? sel->hasContent () : 0);
 #endif
     if (addSelCreateCmdIfSelAvail && sel && !sel->hasContent ())
     {
         QString createCmdName;
 
         if (dynamic_cast <kpAbstractImageSelection *> (sel)) {
             createCmdName = i18n ("Selection: Create");
         }
         else if (dynamic_cast <kpTextSelection *> (sel)) {
             createCmdName = i18n ("Text: Create Box");
         }
         else {
             Q_ASSERT (!"Unknown selection type");
         }
 
         // create selection region
         commandHistory ()->addCreateSelectionCommand (
             new kpToolSelectionCreateCommand (
                 createCmdName,
                 *sel,
                 commandEnvironment ()),
             false/*no exec - user already dragged out sel*/);
     }
 
 
     if (addSelContentCmdIfSelAvail && sel && !sel->hasContent ())
     {
         auto *imageSel = dynamic_cast <kpAbstractImageSelection *> (sel);
         auto *textSel = dynamic_cast <kpTextSelection *> (sel);
 
         if (imageSel && imageSel->transparency ().isTransparent ()) {
             d->colorToolBar->flashColorSimilarityToolBarItem ();
         }
 
         kpMacroCommand *macroCmd = new kpMacroCommand (cmd->name (),
             commandEnvironment ());
 
         if (imageSel)
         {
             macroCmd->addCommand (
                 new kpToolSelectionPullFromDocumentCommand (
                     *imageSel,
                     backgroundColor (),
                     QString()/*uninteresting child of macro cmd*/,
                     commandEnvironment ()));
         }
         else if (textSel)
         {
             macroCmd->addCommand (
                 new kpToolTextGiveContentCommand (
                     *textSel,
                     QString()/*uninteresting child of macro cmd*/,
                     commandEnvironment ()));
         }
         else {
             Q_ASSERT (!"Unknown selection type");
         }
 
         macroCmd->addCommand (cmd);
 
         d->commandHistory->addCommand (macroCmd);
     }
     else
     {
         d->commandHistory->addCommand (cmd);
     }
 
 
     if (d->viewManager) {
         d->viewManager->restoreQueueUpdates ();
     }
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotResizeScale ()
 {
     toolEndShape ();
 
     kpTransformResizeScaleDialog dialog(transformDialogEnvironment(), this);
 
     if (dialog.exec () && !dialog.isNoOp ())
     {
         auto *cmd = new kpTransformResizeScaleCommand (
             dialog.actOnSelection (),
             dialog.imageWidth (), dialog.imageHeight (),
             dialog.type (),
             commandEnvironment ());
 
         bool addSelCreateCommand = (dialog.actOnSelection () ||
                                     cmd->scaleSelectionWithImage ());
         bool addSelContentCommand = dialog.actOnSelection ();
 
         addImageOrSelectionCommand (
             cmd,
             addSelCreateCommand,
             addSelContentCommand);
 
         // Resized document?
         if (!dialog.actOnSelection () &&
             dialog.type () == kpTransformResizeScaleCommand::Resize)
         {
             // TODO: this should be the responsibility of kpDocument
             saveDefaultDocSize (QSize (dialog.imageWidth (), dialog.imageHeight ()));
         }
     }
 }
 
 //---------------------------------------------------------------------
 
 // public slot
 void kpMainWindow::slotCrop ()
 {
     toolEndShape ();
 
     Q_ASSERT (d->document && d->document->selection ());
 
 
     ::kpTransformCrop (this);
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotAutoCrop ()
 {
     toolEndShape ();
 
     ::kpTransformAutoCrop (this);
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotFlip()
 {
     toolEndShape();
 
     addImageOrSelectionCommand(
         new kpTransformFlipCommand(d->document->selection(),
                                    false, true, commandEnvironment()));
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotMirror()
 {
     toolEndShape();
 
     addImageOrSelectionCommand(
         new kpTransformFlipCommand(d->document->selection(),
                                    true, false, commandEnvironment()));
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotRotate ()
 {
     toolEndShape ();
 
     kpTransformRotateDialog dialog (static_cast<bool> (d->document->selection ()),
         transformDialogEnvironment (), this);
 
     if (dialog.exec () && !dialog.isNoOp ())
     {
         addImageOrSelectionCommand (
             new kpTransformRotateCommand (d->document->selection (),
                 dialog.angle (),
                 commandEnvironment ()));
     }
 }
 
 // private slot
 void kpMainWindow::slotRotate270 ()
 {
     toolEndShape ();
 
     // TODO: Special command name instead of just "Rotate"?
     addImageOrSelectionCommand (
         new kpTransformRotateCommand (
             d->document->selection (),
             270,
             commandEnvironment ()));
 }
 
 // private slot
 void kpMainWindow::slotRotate90 ()
 {
     toolEndShape ();
 
     // TODO: Special command name instead of just "Rotate"?
     addImageOrSelectionCommand (
         new kpTransformRotateCommand (
             d->document->selection (),
             90,
             commandEnvironment ()));
 }
 
 
 // private slot
 void kpMainWindow::slotSkew ()
 {
     toolEndShape ();
 
     kpTransformSkewDialog dialog (static_cast<bool> (d->document->selection ()),
         transformDialogEnvironment (), this);
 
     if (dialog.exec () && !dialog.isNoOp ())
     {
         addImageOrSelectionCommand (
             new kpTransformSkewCommand (d->document->selection (),
                 dialog.horizontalAngle (), dialog.verticalAngle (),
                 commandEnvironment ()));
     }
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotConvertToBlackAndWhite ()
 {
     toolEndShape ();
 
     addImageOrSelectionCommand (
         new kpEffectReduceColorsCommand (1/*depth*/, true/*dither*/,
             d->document->selection (),
             commandEnvironment ()));
 }
 
 //---------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotConvertToGrayscale ()
 {
     toolEndShape ();
 
     addImageOrSelectionCommand (
         new kpEffectGrayscaleCommand (d->document->selection (),
             commandEnvironment ()));
 }
 
 //--------------------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotInvertColors ()
 {
     toolEndShape ();
 
     addImageOrSelectionCommand (
         new kpEffectInvertCommand (d->document->selection (),
             commandEnvironment ()));
 }
 
 //--------------------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotClear ()
 {
     toolEndShape ();
 
     addImageOrSelectionCommand (
         new kpEffectClearCommand (
             d->document->selection (),
             backgroundColor (),
             commandEnvironment ()));
 }
 
 //--------------------------------------------------------------------------------
 
 void kpMainWindow::slotMakeConfidential()
 {
     toolEndShape();
 
     addImageOrSelectionCommand(
         new kpEffectBlurSharpenCommand(kpEffectBlurSharpen::MakeConfidential, kpEffectBlurSharpen::MaxStrength,
                                        d->document->selection(), commandEnvironment()));
 }
 
 //--------------------------------------------------------------------------------
 
 // private slot
 void kpMainWindow::slotMoreEffects ()
 {
     toolEndShape ();
 
     kpEffectsDialog dialog (static_cast<bool> (d->document->selection ()),
         transformDialogEnvironment (), this,
         d->moreEffectsDialogLastEffect);
 
     if (dialog.exec () && !dialog.isNoOp ())
     {
         addImageOrSelectionCommand (dialog.createCommand ());
     }
 
 
     if (d->moreEffectsDialogLastEffect != dialog.selectedEffect ())
     {
         d->moreEffectsDialogLastEffect = dialog.selectedEffect ();
 
         KConfigGroup cfg (KSharedConfig::openConfig (), QStringLiteral(kpSettingsGroupGeneral));
 
         cfg.writeEntry (kpSettingMoreEffectsLastEffect,
                          d->moreEffectsDialogLastEffect);
         cfg.sync ();
     }
 }
 
 //--------------------------------------------------------------------------------