Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 474 insertions, 0 deletions

diff --git a/kolourpaint/kpmainwindow_image.cpp b/kolourpaint/kpmainwindow_image.cpp
new file mode 100644
index 00000000..7f662af7
--- /dev/null
+++ b/kolourpaint/kpmainwindow_image.cpp
@@ -0,0 +1,474 @@
+
+/*
+   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.
+*/
+
+
+#include <kpmainwindow.h>
+#include <kpmainwindow_p.h>
+
+#include <qcolor.h>
+#include <qsize.h>
+
+#include <kaction.h>
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kmenubar.h>
+
+#include <kpcolor.h>
+#include <kpdefs.h>
+#include <kpcoloreffect.h>
+#include <kpcolortoolbar.h>
+#include <kpcommandhistory.h>
+#include <kpdocument.h>
+#include <kpeffectinvert.h>
+#include <kpeffectreducecolors.h>
+#include <kpeffectsdialog.h>
+#include <kpselection.h>
+#include <kptool.h>
+#include <kptoolautocrop.h>
+#include <kptoolclear.h>
+#include <kptoolconverttograyscale.h>
+#include <kptoolcrop.h>
+#include <kptoolflip.h>
+#include <kptoolresizescale.h>
+#include <kptoolrotate.h>
+#include <kptoolselection.h>
+#include <kptoolskew.h>
+#include <kpviewmanager.h>
+
+
+// private
+bool kpMainWindow::isSelectionActive () const
+{
+    return (m_document ? bool (m_document->selection ()) : false);
+}
+
+// private
+bool kpMainWindow::isTextSelection () const
+{
+    return (m_document && m_document->selection () &&
+            m_document->selection ()->isText ());
+}
+
+
+// private
+QString kpMainWindow::autoCropText () const
+{
+    return kpToolAutoCropCommand::name (isSelectionActive (),
+                                        kpToolAutoCropCommand::ShowAccel);
+}
+
+
+// private
+void kpMainWindow::setupImageMenuActions ()
+{
+    KActionCollection *ac = actionCollection ();
+
+    m_actionResizeScale = new KAction (i18n ("R&esize / Scale..."), Qt::CTRL + Qt::Key_E,
+        this, SLOT (slotResizeScale ()), ac, "image_resize_scale");
+
+    m_actionCrop = new KAction (i18n ("Se&t as Image (Crop)"), Qt::CTRL + Qt::Key_T,
+        this, SLOT (slotCrop ()), ac, "image_crop");
+
+    m_actionAutoCrop = new KAction (autoCropText (), Qt::CTRL + Qt::Key_U,
+        this, SLOT (slotAutoCrop ()), ac, "image_auto_crop");
+
+    m_actionFlip = new KAction (i18n ("&Flip..."), Qt::CTRL + Qt::Key_F,
+        this, SLOT (slotFlip ()), ac, "image_flip");
+
+    m_actionRotate = new KAction (i18n ("&Rotate..."), Qt::CTRL + Qt::Key_R,
+        this, SLOT (slotRotate ()), ac, "image_rotate");
+
+    m_actionSkew = new KAction (i18n ("S&kew..."), Qt::CTRL + Qt::Key_K,
+        this, SLOT (slotSkew ()), ac, "image_skew");
+
+    m_actionConvertToBlackAndWhite = new KAction (i18n ("Reduce to Mo&nochrome (Dithered)"), 0,
+        this, SLOT (slotConvertToBlackAndWhite ()), ac, "image_convert_to_black_and_white");
+
+    m_actionConvertToGrayscale = new KAction (i18n ("Reduce to &Grayscale"), 0,
+        this, SLOT (slotConvertToGrayscale ()), ac, "image_convert_to_grayscale");
+
+    m_actionInvertColors = new KAction (i18n ("&Invert Colors"), Qt::CTRL + Qt::Key_I,
+        this, SLOT (slotInvertColors ()), ac, "image_invert_colors");
+
+    m_actionClear = new KAction (i18n ("C&lear"), Qt::CTRL + Qt::SHIFT + Qt::Key_N,
+        this, SLOT (slotClear ()), ac, "image_clear");
+
+    m_actionMoreEffects = new KAction (i18n ("&More Effects..."), Qt::CTRL + Qt::Key_M,
+        this, SLOT (slotMoreEffects ()), ac, "image_more_effects");
+
+    enableImageMenuDocumentActions (false);
+}
+
+// private
+void kpMainWindow::enableImageMenuDocumentActions (bool enable)
+{
+    m_actionResizeScale->setEnabled (enable);
+    m_actionCrop->setEnabled (enable);
+    m_actionAutoCrop->setEnabled (enable);
+    m_actionFlip->setEnabled (enable);
+    m_actionRotate->setEnabled (enable);
+    m_actionSkew->setEnabled (enable);
+    m_actionConvertToBlackAndWhite->setEnabled (enable);
+    m_actionConvertToGrayscale->setEnabled (enable);
+    m_actionInvertColors->setEnabled (enable);
+    m_actionClear->setEnabled (enable);
+    m_actionMoreEffects->setEnabled (enable);
+
+    m_imageMenuDocumentActionsEnabled = enable;
+}
+
+
+// private slot
+void kpMainWindow::slotImageMenuUpdateDueToSelection ()
+{
+    KMenuBar *mBar = menuBar ();
+    if (!mBar)  // just in case
+        return;
+
+    int mBarNumItems = (int) mBar->count ();
+    for (int index = 0; index < mBarNumItems; index++)
+    {
+        int id = mBar->idAt (index);
+
+        // SYNC: kolourpaintui.rc
+        QString menuBarItemTextImage = i18n ("&Image");
+        QString menuBarItemTextSelection = i18n ("Select&ion");
+
+        const QString menuBarItemText = mBar->text (id);
+        if (menuBarItemText == menuBarItemTextImage ||
+            menuBarItemText == menuBarItemTextSelection)
+        {
+            if (isSelectionActive ())
+                mBar->changeItem (id, menuBarItemTextSelection);
+            else
+                mBar->changeItem (id, menuBarItemTextImage);
+
+            break;
+        }
+    }
+
+
+    m_actionResizeScale->setEnabled (m_imageMenuDocumentActionsEnabled);
+    m_actionCrop->setEnabled (m_imageMenuDocumentActionsEnabled &&
+                              isSelectionActive ());
+
+    const bool enable = (m_imageMenuDocumentActionsEnabled && !isTextSelection ());
+    m_actionAutoCrop->setText (autoCropText ());
+    m_actionAutoCrop->setEnabled (enable);
+    m_actionFlip->setEnabled (enable);
+    m_actionRotate->setEnabled (enable);
+    m_actionSkew->setEnabled (enable);
+    m_actionConvertToBlackAndWhite->setEnabled (enable);
+    m_actionConvertToGrayscale->setEnabled (enable);
+    m_actionInvertColors->setEnabled (enable);
+    m_actionClear->setEnabled (enable);
+    m_actionMoreEffects->setEnabled (enable);
+}
+
+
+// public
+kpColor kpMainWindow::backgroundColor (bool ofSelection) const
+{
+    if (ofSelection)
+        return kpColor::transparent;
+    else
+    {
+        if (m_colorToolBar)
+            return m_colorToolBar->backgroundColor ();
+        else
+        {
+            kdError () << "kpMainWindow::backgroundColor() without colorToolBar" << endl;
+            return kpColor::invalid;
+        }
+    }
+}
+
+
+// public
+void kpMainWindow::addImageOrSelectionCommand (kpCommand *cmd,
+    bool addSelCreateCmdIfSelAvail,
+    bool addSelPullCmdIfSelAvail)
+{
+#if DEBUG_KP_MAIN_WINDOW && 1
+    kdDebug () << "kpMainWindow::addImageOrSelectionCommand()"
+               << " addSelCreateCmdIfSelAvail=" << addSelCreateCmdIfSelAvail
+               << " addSelPullCmdIfSelAvail=" << addSelPullCmdIfSelAvail
+               << endl;
+#endif
+
+    if (!m_document)
+    {
+        kdError () << "kpMainWindow::addImageOrSelectionCommand() without doc" << endl;
+        return;
+    }
+
+
+    if (m_viewManager)
+        m_viewManager->setQueueUpdates ();
+
+
+    kpSelection *sel = m_document->selection ();
+#if DEBUG_KP_MAIN_WINDOW && 1
+    kdDebug () << "\tsel=" << sel
+               << " sel->pixmap=" << (sel ? sel->pixmap () : 0)
+               << endl;
+#endif
+    if (addSelCreateCmdIfSelAvail && sel && !sel->pixmap ())
+    {
+        // create selection region
+        kpCommand *createCommand = new kpToolSelectionCreateCommand (
+            i18n ("Selection: Create"),
+            *sel,
+            this);
+
+        if (kpToolSelectionCreateCommand::nextUndoCommandIsCreateBorder (commandHistory ()))
+            commandHistory ()->setNextUndoCommand (createCommand);
+        else
+            commandHistory ()->addCommand (createCommand,
+                                           false/*no exec - user already dragged out sel*/);
+    }
+
+
+    if (addSelPullCmdIfSelAvail && sel && !sel->pixmap ())
+    {
+        kpMacroCommand *macroCmd = new kpMacroCommand (cmd->name (), this);
+
+        macroCmd->addCommand (new kpToolSelectionPullFromDocumentCommand (
+            QString::null/*uninteresting child of macro cmd*/,
+            this));
+
+        macroCmd->addCommand (cmd);
+
+        m_commandHistory->addCommand (macroCmd);
+    }
+    else
+    {
+        m_commandHistory->addCommand (cmd);
+    }
+
+
+    if (m_viewManager)
+        m_viewManager->restoreQueueUpdates ();
+}
+
+// private slot
+void kpMainWindow::slotResizeScale ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    kpToolResizeScaleDialog dialog (this);
+    dialog.setKeepAspectRatio (d->m_resizeScaleDialogLastKeepAspect);
+
+    if (dialog.exec () && !dialog.isNoOp ())
+    {
+        kpToolResizeScaleCommand *cmd = new kpToolResizeScaleCommand (
+            dialog.actOnSelection (),
+            dialog.imageWidth (), dialog.imageHeight (),
+            dialog.type (),
+            this);
+
+        bool addSelCreateCommand = (dialog.actOnSelection () ||
+                                    cmd->scaleSelectionWithImage ());
+        bool addSelPullCommand = dialog.actOnSelection ();
+
+        addImageOrSelectionCommand (
+            cmd,
+            addSelCreateCommand,
+            addSelPullCommand);
+
+        // Resized document?
+        if (!dialog.actOnSelection () &&
+            dialog.type () == kpToolResizeScaleCommand::Resize)
+        {
+            // TODO: this should be the responsibility of kpDocument
+            saveDefaultDocSize (QSize (dialog.imageWidth (), dialog.imageHeight ()));
+        }
+    }
+
+
+    if (d->m_resizeScaleDialogLastKeepAspect != dialog.keepAspectRatio ())
+    {
+        d->m_resizeScaleDialogLastKeepAspect = dialog.keepAspectRatio ();
+
+        KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupGeneral);
+        KConfigBase *cfg = cfgGroupSaver.config ();
+
+        cfg->writeEntry (kpSettingResizeScaleLastKeepAspect,
+                         d->m_resizeScaleDialogLastKeepAspect);
+        cfg->sync ();
+    }
+}
+
+// public slot
+void kpMainWindow::slotCrop ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    if (!m_document || !m_document->selection ())
+    {
+        kdError () << "kpMainWindow::slotCrop() doc=" << m_document
+                   << " sel=" << (m_document ? m_document->selection () : 0)
+                   << endl;
+        return;
+    }
+
+
+    ::kpToolCrop (this);
+}
+
+// private slot
+void kpMainWindow::slotAutoCrop ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    ::kpToolAutoCrop (this);
+}
+
+// private slot
+void kpMainWindow::slotFlip ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    kpToolFlipDialog dialog ((bool) m_document->selection (), this);
+
+    if (dialog.exec () && !dialog.isNoOp ())
+    {
+        addImageOrSelectionCommand (
+            new kpToolFlipCommand (m_document->selection (),
+                                   dialog.getHorizontalFlip (), dialog.getVerticalFlip (),
+                                   this));
+    }
+}
+
+// private slot
+void kpMainWindow::slotRotate ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    kpToolRotateDialog dialog ((bool) m_document->selection (), this);
+
+    if (dialog.exec () && !dialog.isNoOp ())
+    {
+        addImageOrSelectionCommand (
+            new kpToolRotateCommand (m_document->selection (),
+                                     dialog.angle (),
+                                     this));
+    }
+}
+
+// private slot
+void kpMainWindow::slotSkew ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    kpToolSkewDialog dialog ((bool) m_document->selection (), this);
+
+    if (dialog.exec () && !dialog.isNoOp ())
+    {
+        addImageOrSelectionCommand (
+            new kpToolSkewCommand (m_document->selection (),
+                                   dialog.horizontalAngle (), dialog.verticalAngle (),
+                                   this));
+    }
+}
+
+// private slot
+void kpMainWindow::slotConvertToBlackAndWhite ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    addImageOrSelectionCommand (
+        new kpEffectReduceColorsCommand (1/*depth*/, true/*dither*/,
+                                         m_document->selection (), this));
+}
+
+// private slot
+void kpMainWindow::slotConvertToGrayscale ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    addImageOrSelectionCommand (
+        new kpToolConvertToGrayscaleCommand (m_document->selection (), this));
+}
+
+// private slot
+void kpMainWindow::slotInvertColors ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    addImageOrSelectionCommand (
+        new kpEffectInvertCommand (m_document->selection (), this));
+}
+
+// private slot
+void kpMainWindow::slotClear ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    addImageOrSelectionCommand (
+        new kpToolClearCommand (m_document->selection (), this));
+}
+
+// private slot
+void kpMainWindow::slotMoreEffects ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    kpEffectsDialog dialog ((bool) m_document->selection (), this);
+    dialog.selectEffect (d->m_moreEffectsDialogLastEffect);
+
+    if (dialog.exec () && !dialog.isNoOp ())
+    {
+        addImageOrSelectionCommand (dialog.createCommand ());
+    }
+
+
+    if (d->m_moreEffectsDialogLastEffect != dialog.selectedEffect ())
+    {
+        d->m_moreEffectsDialogLastEffect = dialog.selectedEffect ();
+
+        KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupGeneral);
+        KConfigBase *cfg = cfgGroupSaver.config ();
+
+        cfg->writeEntry (kpSettingMoreEffectsLastEffect,
+                         d->m_moreEffectsDialogLastEffect);
+        cfg->sync ();
+    }
+}