1 files changed, 646 insertions, 0 deletions
diff --git a/kolourpaint/kpmainwindow_tools.cpp b/kolourpaint/kpmainwindow_tools.cpp
new file mode 100644
index 00000000..fb86f91f
--- /dev/null
+++ b/kolourpaint/kpmainwindow_tools.cpp
@@ -0,0 +1,646 @@
+
+/*
+   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 <kapplication.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <kpcolortoolbar.h>
+#include <kpcommandhistory.h>
+#include <kpdocument.h>
+#include <kpselectiontransparency.h>
+#include <kpsinglekeytriggersaction.h>
+#include <kptool.h>
+#include <kptoolaction.h>
+#include <kptoolairspray.h>
+#include <kptoolbrush.h>
+#include <kptoolcolorpicker.h>
+#include <kptoolcolorwasher.h>
+#include <kptoolcurve.h>
+#include <kptoolellipticalselection.h>
+#include <kptoolellipse.h>
+#include <kptooleraser.h>
+#include <kptoolfloodfill.h>
+#include <kptoolfreeformselection.h>
+#include <kptoolline.h>
+#include <kptoolpen.h>
+#include <kptoolpolygon.h>
+#include <kptoolpolyline.h>
+#include <kptoolrectangle.h>
+#include <kptoolrectselection.h>
+#include <kptoolresizescale.h>
+#include <kptoolroundedrectangle.h>
+#include <kptooltext.h>
+#include <kptooltoolbar.h>
+#include <kptoolwidgetopaqueortransparent.h>
+#include <kpviewscrollablecontainer.h>
+#include <kpzoomedview.h>
+
+
+// private
+void kpMainWindow::setupToolActions ()
+{
+    m_tools.setAutoDelete (true);
+
+    m_tools.append (m_toolFreeFormSelection = new kpToolFreeFormSelection (this));
+    m_tools.append (m_toolRectSelection = new kpToolRectSelection (this));
+
+    m_tools.append (m_toolEllipticalSelection = new kpToolEllipticalSelection (this));
+    m_tools.append (m_toolText = new kpToolText (this));
+
+    m_tools.append (m_toolLine = new kpToolLine (this));
+    m_tools.append (m_toolPen = new kpToolPen (this));
+
+    m_tools.append (m_toolEraser = new kpToolEraser (this));
+    m_tools.append (m_toolBrush = new kpToolBrush (this));
+
+    m_tools.append (m_toolFloodFill = new kpToolFloodFill (this));
+    m_tools.append (m_toolColorPicker = new kpToolColorPicker (this));
+
+    m_tools.append (m_toolColorWasher = new kpToolColorWasher (this));
+    m_tools.append (m_toolAirSpray = new kpToolAirSpray (this));
+
+    m_tools.append (m_toolRoundedRectangle = new kpToolRoundedRectangle (this));
+    m_tools.append (m_toolRectangle = new kpToolRectangle (this));
+
+    m_tools.append (m_toolPolygon = new kpToolPolygon (this));
+    m_tools.append (m_toolEllipse = new kpToolEllipse (this));
+
+    m_tools.append (m_toolPolyline = new kpToolPolyline (this));
+    m_tools.append (m_toolCurve = new kpToolCurve (this));
+
+
+    KActionCollection *ac = actionCollection ();
+
+    m_actionPrevToolOptionGroup1 = new kpSingleKeyTriggersAction (
+        i18n ("Previous Tool Option (Group #1)"),
+        kpTool::shortcutForKey (Qt::Key_1),
+        this, SLOT (slotActionPrevToolOptionGroup1 ()),
+        ac, "prev_tool_option_group_1");
+    m_actionNextToolOptionGroup1 = new kpSingleKeyTriggersAction (
+        i18n ("Next Tool Option (Group #1)"),
+        kpTool::shortcutForKey (Qt::Key_2),
+        this, SLOT (slotActionNextToolOptionGroup1 ()),
+        ac, "next_tool_option_group_1");
+
+    m_actionPrevToolOptionGroup2 = new kpSingleKeyTriggersAction (
+        i18n ("Previous Tool Option (Group #2)"),
+        kpTool::shortcutForKey (Qt::Key_3),
+        this, SLOT (slotActionPrevToolOptionGroup2 ()),
+        ac, "prev_tool_option_group_2");
+    m_actionNextToolOptionGroup2 = new kpSingleKeyTriggersAction (
+        i18n ("Next Tool Option (Group #2)"),
+        kpTool::shortcutForKey (Qt::Key_4),
+        this, SLOT (slotActionNextToolOptionGroup2 ()),
+        ac, "next_tool_option_group_2");
+}
+
+// private
+void kpMainWindow::createToolBox ()
+{
+    m_toolToolBar = new kpToolToolBar (i18n ("Tool Box"), this, 2/*columns/rows*/, "Tool Box");
+    connect (m_toolToolBar, SIGNAL (sigToolSelected (kpTool *)),
+             this, SLOT (slotToolSelected (kpTool *)));
+    connect (m_toolToolBar, SIGNAL (toolWidgetOptionSelected ()),
+             this, SLOT (updateToolOptionPrevNextActionsEnabled ()));
+
+    for (QPtrList <kpTool>::const_iterator it = m_tools.begin ();
+         it != m_tools.end ();
+         it++)
+    {
+        m_toolToolBar->registerTool (*it);
+    }
+
+
+    // (from config file)
+    readLastTool ();
+
+
+    enableToolsDocumentActions (false);
+}
+
+// private
+void kpMainWindow::enableToolsDocumentActions (bool enable)
+{
+#if DEBUG_KP_MAIN_WINDOW
+    kdDebug () << "kpMainWindow::enableToolsDocumentsAction(" << enable << ")" << endl;
+#endif
+
+    m_toolActionsEnabled = enable;
+
+
+    if (enable && !m_toolToolBar->isEnabled ())
+    {
+        kpTool *previousTool = m_toolToolBar->previousTool ();
+
+        // select tool for enabled Tool Box
+
+        if (previousTool)
+            m_toolToolBar->selectPreviousTool ();
+        else
+        {
+            if (m_lastToolNumber >= 0 && m_lastToolNumber < (int) m_tools.count ())
+                m_toolToolBar->selectTool (m_tools.at (m_lastToolNumber));
+            else
+                m_toolToolBar->selectTool (m_toolPen);
+        }
+    }
+    else if (!enable && m_toolToolBar->isEnabled ())
+    {
+        // don't have a disabled Tool Box with an enabled Tool
+        m_toolToolBar->selectTool (0);
+    }
+
+
+    m_toolToolBar->setEnabled (enable);
+
+
+    for (QPtrList <kpTool>::const_iterator it = m_tools.begin ();
+         it != m_tools.end ();
+         it++)
+    {
+        kpToolAction *action = (*it)->action ();
+        if (action)
+        {
+        #if DEBUG_KP_MAIN_WINDOW
+            kdDebug () << "\tchanging enabled state of " << (*it)->name () << endl;
+        #endif
+
+            if (!enable && action->isChecked ())
+                action->setChecked (false);
+
+            action->setEnabled (enable);
+        }
+        else
+        {
+        #if DEBUG_KP_MAIN_WINDOW
+            kdDebug () << "\tno action for " << (*it)->name () << endl;
+        #endif
+        }
+    }
+
+
+    updateToolOptionPrevNextActionsEnabled ();
+}
+
+// private slot
+void kpMainWindow::updateToolOptionPrevNextActionsEnabled ()
+{
+#if DEBUG_KP_MAIN_WINDOW
+    kdDebug () << "kpMainWindow::updateToolOptionPrevNextActionsEnabled()"
+               << " numShownToolWidgets="
+               << m_toolToolBar->numShownToolWidgets ()
+               << endl;
+#endif
+
+    const bool enable = m_toolActionsEnabled;
+
+
+    m_actionPrevToolOptionGroup1->setEnabled (enable &&
+        m_toolToolBar->shownToolWidget (0) &&
+        m_toolToolBar->shownToolWidget (0)->hasPreviousOption ());
+    m_actionNextToolOptionGroup1->setEnabled (enable &&
+        m_toolToolBar->shownToolWidget (0) &&
+        m_toolToolBar->shownToolWidget (0)->hasNextOption ());
+
+    m_actionPrevToolOptionGroup2->setEnabled (enable &&
+        m_toolToolBar->shownToolWidget (1) &&
+        m_toolToolBar->shownToolWidget (1)->hasPreviousOption ());
+    m_actionNextToolOptionGroup2->setEnabled (enable &&
+        m_toolToolBar->shownToolWidget (1) &&
+        m_toolToolBar->shownToolWidget (1)->hasNextOption ());
+}
+
+
+// public
+kpTool *kpMainWindow::tool () const
+{
+    return m_toolToolBar ? m_toolToolBar->tool () : 0;
+}
+
+// public
+bool kpMainWindow::toolHasBegunShape () const
+{
+    kpTool *currentTool = tool ();
+    return (currentTool && currentTool->hasBegunShape ());
+}
+
+// public
+bool kpMainWindow::toolIsASelectionTool (bool includingTextTool) const
+{
+    kpTool *currentTool = tool ();
+
+    return ((currentTool == m_toolFreeFormSelection) ||
+            (currentTool == m_toolRectSelection) ||
+            (currentTool == m_toolEllipticalSelection) ||
+            (currentTool == m_toolText && includingTextTool));
+}
+
+// public
+bool kpMainWindow::toolIsTextTool () const
+{
+    return (tool () == m_toolText);
+}
+
+
+// public
+kpSelectionTransparency kpMainWindow::selectionTransparency () const
+{
+    kpToolWidgetOpaqueOrTransparent *oot = m_toolToolBar->toolWidgetOpaqueOrTransparent ();
+    if (!oot)
+    {
+        kdError () << "kpMainWindow::selectionTransparency() without opaqueOrTransparent widget" << endl;
+        return kpSelectionTransparency ();
+    }
+
+    return kpSelectionTransparency (oot->isOpaque (), backgroundColor (), m_colorToolBar->colorSimilarity ());
+}
+
+// public
+void kpMainWindow::setSelectionTransparency (const kpSelectionTransparency &transparency, bool forceColorChange)
+{
+#if DEBUG_KP_MAIN_WINDOW && 1
+    kdDebug () << "kpMainWindow::setSelectionTransparency() isOpaque=" << transparency.isOpaque ()
+               << " color=" << (transparency.transparentColor ().isValid () ? (int *) transparency.transparentColor ().toQRgb () : 0)
+               << " forceColorChange=" << forceColorChange
+               << endl;
+#endif
+
+    kpToolWidgetOpaqueOrTransparent *oot = m_toolToolBar->toolWidgetOpaqueOrTransparent ();
+    if (!oot)
+    {
+        kdError () << "kpMainWindow::setSelectionTransparency() without opaqueOrTransparent widget" << endl;
+        return;
+    }
+
+    m_settingSelectionTransparency++;
+
+    oot->setOpaque (transparency.isOpaque ());
+    if (transparency.isTransparent () || forceColorChange)
+    {
+        m_colorToolBar->setColor (1, transparency.transparentColor ());
+        m_colorToolBar->setColorSimilarity (transparency.colorSimilarity ());
+    }
+
+    m_settingSelectionTransparency--;
+}
+
+// public
+int kpMainWindow::settingSelectionTransparency () const
+{
+    return m_settingSelectionTransparency;
+}
+
+
+// private slot
+void kpMainWindow::slotToolSelected (kpTool *tool)
+{
+#if DEBUG_KP_MAIN_WINDOW
+    kdDebug () << "kpMainWindow::slotToolSelected (" << tool << ")" << endl;
+#endif
+
+    kpTool *previousTool = m_toolToolBar ? m_toolToolBar->previousTool () : 0;
+
+    if (previousTool)
+    {
+        disconnect (previousTool, SIGNAL (movedAndAboutToDraw (const QPoint &, const QPoint &, int, bool *)),
+                    this, SLOT (slotDragScroll (const QPoint &, const QPoint &, int, bool *)));
+        disconnect (previousTool, SIGNAL (endedDraw (const QPoint &)),
+                    this, SLOT (slotEndDragScroll ()));
+        disconnect (previousTool, SIGNAL (cancelledShape (const QPoint &)),
+                    this, SLOT (slotEndDragScroll ()));
+
+        disconnect (previousTool, SIGNAL (userMessageChanged (const QString &)),
+                    this, SLOT (recalculateStatusBarMessage ()));
+        disconnect (previousTool, SIGNAL (userShapePointsChanged (const QPoint &, const QPoint &)),
+                    this, SLOT (recalculateStatusBarShape ()));
+        disconnect (previousTool, SIGNAL (userShapeSizeChanged (const QSize &)),
+                    this, SLOT (recalculateStatusBarShape ()));
+
+        disconnect (m_colorToolBar, SIGNAL (colorsSwapped (const kpColor &, const kpColor &)),
+                    previousTool, SLOT (slotColorsSwappedInternal (const kpColor &, const kpColor &)));
+        disconnect (m_colorToolBar, SIGNAL (foregroundColorChanged (const kpColor &)),
+                    previousTool, SLOT (slotForegroundColorChangedInternal (const kpColor &)));
+        disconnect (m_colorToolBar, SIGNAL (backgroundColorChanged (const kpColor &)),
+                    previousTool, SLOT (slotBackgroundColorChangedInternal (const kpColor &)));
+        disconnect (m_colorToolBar, SIGNAL (colorSimilarityChanged (double, int)),
+                    previousTool, SLOT (slotColorSimilarityChangedInternal (double, int)));
+    }
+
+    if (tool)
+    {
+        connect (tool, SIGNAL (movedAndAboutToDraw (const QPoint &, const QPoint &, int, bool *)),
+                 this, SLOT (slotDragScroll (const QPoint &, const QPoint &, int, bool *)));
+        connect (tool, SIGNAL (endedDraw (const QPoint &)),
+                 this, SLOT (slotEndDragScroll ()));
+        connect (tool, SIGNAL (cancelledShape (const QPoint &)),
+                 this, SLOT (slotEndDragScroll ()));
+
+        connect (tool, SIGNAL (userMessageChanged (const QString &)),
+                 this, SLOT (recalculateStatusBarMessage ()));
+        connect (tool, SIGNAL (userShapePointsChanged (const QPoint &, const QPoint &)),
+                 this, SLOT (recalculateStatusBarShape ()));
+        connect (tool, SIGNAL (userShapeSizeChanged (const QSize &)),
+                 this, SLOT (recalculateStatusBarShape ()));
+        recalculateStatusBar ();
+
+        connect (m_colorToolBar, SIGNAL (colorsSwapped (const kpColor &, const kpColor &)),
+                 tool, SLOT (slotColorsSwappedInternal (const kpColor &, const kpColor &)));
+        connect (m_colorToolBar, SIGNAL (foregroundColorChanged (const kpColor &)),
+                 tool, SLOT (slotForegroundColorChangedInternal (const kpColor &)));
+        connect (m_colorToolBar, SIGNAL (backgroundColorChanged (const kpColor &)),
+                 tool, SLOT (slotBackgroundColorChangedInternal (const kpColor &)));
+        connect (m_colorToolBar, SIGNAL (colorSimilarityChanged (double, int)),
+                 tool, SLOT (slotColorSimilarityChangedInternal (double, int)));
+
+
+        saveLastTool ();
+    }
+
+    updateToolOptionPrevNextActionsEnabled ();
+}
+
+
+// private
+void kpMainWindow::readLastTool ()
+{
+    KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupTools);
+    KConfigBase *cfg = cfgGroupSaver.config ();
+
+    m_lastToolNumber = cfg->readNumEntry (kpSettingLastTool, -1);
+}
+
+
+// private
+int kpMainWindow::toolNumber () const
+{
+    int number = 0;
+    for (QPtrList <kpTool>::const_iterator it = m_tools.begin ();
+         it != m_tools.end ();
+         it++)
+    {
+        if (*it == tool ())
+            return number;
+
+        number++;
+    }
+
+    return -1;
+}
+
+// private
+void kpMainWindow::saveLastTool ()
+{
+    int number = toolNumber ();
+    if (number < 0 || number >= (int) m_tools.count ())
+        return;
+
+
+    KConfigGroupSaver cfgGroupSaver (kapp->config (), kpSettingsGroupTools);
+    KConfigBase *cfg = cfgGroupSaver.config ();
+
+    cfg->writeEntry (kpSettingLastTool, number);
+    cfg->sync ();
+}
+
+
+// private
+bool kpMainWindow::maybeDragScrollingMainView () const
+{
+    return (tool () && m_mainView &&
+            tool ()->viewUnderStartPoint () == m_mainView);
+}
+
+// private slot
+bool kpMainWindow::slotDragScroll (const QPoint &docPoint,
+                                   const QPoint &docLastPoint,
+                                   int zoomLevel,
+                                   bool *scrolled)
+{
+#if DEBUG_KP_MAIN_WINDOW
+    kdDebug () << "kpMainWindow::slotDragScroll() maybeDragScrolling="
+               << maybeDragScrollingMainView ()
+               << endl;
+#endif
+
+    if (maybeDragScrollingMainView ())
+    {
+        return m_scrollView->beginDragScroll (docPoint, docLastPoint, zoomLevel, scrolled);
+    }
+    else
+    {
+        return false;
+    }
+}
+
+// private slot
+bool kpMainWindow::slotEndDragScroll ()
+{
+    // (harmless if haven't started drag scroll)
+    return m_scrollView->endDragScroll ();
+}
+
+
+// private slot
+void kpMainWindow::slotBeganDocResize ()
+{
+    if (toolHasBegunShape ())
+        tool ()->endShapeInternal ();
+
+    recalculateStatusBarShape ();
+}
+
+// private slot
+void kpMainWindow::slotContinuedDocResize (const QSize &)
+{
+    recalculateStatusBarShape ();
+}
+
+// private slot
+void kpMainWindow::slotCancelledDocResize ()
+{
+    recalculateStatusBar ();
+}
+
+// private slot
+void kpMainWindow::slotEndedDocResize (const QSize &size)
+{
+#define DOC_RESIZE_COMPLETED()           \
+{                                        \
+    m_docResizeToBeCompleted = false;    \
+    recalculateStatusBar ();             \
+}
+
+    // Prevent statusbar updates
+    m_docResizeToBeCompleted = true;
+
+    m_docResizeWidth = (size.width () > 0 ? size.width () : 1),
+    m_docResizeHeight = (size.height () > 0 ? size.height () : 1);
+
+    if (m_docResizeWidth == m_document->width () &&
+        m_docResizeHeight == m_document->height ())
+    {
+        DOC_RESIZE_COMPLETED ();
+        return;
+    }
+
+
+    // Blank status to avoid confusion if dialog comes up
+    setStatusBarMessage ();
+    setStatusBarShapePoints ();
+    setStatusBarShapeSize ();
+
+
+    if (kpTool::warnIfBigImageSize (m_document->width (),
+            m_document->height (),
+            m_docResizeWidth, m_docResizeHeight,
+            i18n ("<qt><p>Resizing the image to"
+                    " %1x%2 may take a substantial amount of memory."
+                    " This can reduce system"
+                    " responsiveness and cause other application resource"
+                    " problems.</p>"
+
+                    "<p>Are you sure want to resize the"
+                    " image?</p></qt>")
+                .arg (m_docResizeWidth)
+                .arg (m_docResizeHeight),
+            i18n ("Resize Image?"),
+            i18n ("R&esize Image"),
+            this))
+    {
+        m_commandHistory->addCommand (
+            new kpToolResizeScaleCommand (
+                false/*doc, not sel*/,
+                m_docResizeWidth, m_docResizeHeight,
+                kpToolResizeScaleCommand::Resize,
+                this));
+
+        saveDefaultDocSize (QSize (m_docResizeWidth, m_docResizeHeight));
+    }
+
+
+    DOC_RESIZE_COMPLETED ();
+
+#undef DOC_RESIZE_COMPLETED
+}
+
+// private slot
+void kpMainWindow::slotDocResizeMessageChanged (const QString &string)
+{
+#if DEBUG_KP_MAIN_WINDOW
+    kdDebug () << "kpMainWindow::slotDocResizeMessageChanged(" << string
+               << ") docResizeToBeCompleted=" << m_docResizeToBeCompleted
+               << endl;
+#else
+    (void) string;
+#endif
+
+    if (m_docResizeToBeCompleted)
+        return;
+
+    recalculateStatusBarMessage ();
+}
+
+
+// private slot
+void kpMainWindow::slotActionPrevToolOptionGroup1 ()
+{
+    if (!m_toolToolBar->shownToolWidget (0))
+        return;
+
+    m_toolToolBar->shownToolWidget (0)->selectPreviousOption ();
+    updateToolOptionPrevNextActionsEnabled ();
+}
+
+// private slot
+void kpMainWindow::slotActionNextToolOptionGroup1 ()
+{
+    if (!m_toolToolBar->shownToolWidget (0))
+        return;
+
+    m_toolToolBar->shownToolWidget (0)->selectNextOption ();
+    updateToolOptionPrevNextActionsEnabled ();
+}
+
+
+// private slot
+void kpMainWindow::slotActionPrevToolOptionGroup2 ()
+{
+    if (!m_toolToolBar->shownToolWidget (1))
+        return;
+
+    m_toolToolBar->shownToolWidget (1)->selectPreviousOption ();
+    updateToolOptionPrevNextActionsEnabled ();
+}
+
+// private slot
+void kpMainWindow::slotActionNextToolOptionGroup2 ()
+{
+    if (!m_toolToolBar->shownToolWidget (1))
+        return;
+
+    m_toolToolBar->shownToolWidget (1)->selectNextOption ();
+    updateToolOptionPrevNextActionsEnabled ();
+}
+
+
+// public slots
+
+#define SLOT_TOOL(toolName)                       \
+void kpMainWindow::slotTool##toolName ()          \
+{                                                 \
+    if (!m_toolToolBar)                           \
+        return;                                   \
+                                                  \
+    if (tool () == m_tool##toolName)              \
+        return;                                   \
+                                                  \
+    m_toolToolBar->selectTool (m_tool##toolName); \
+}
+
+SLOT_TOOL (AirSpray)
+SLOT_TOOL (Brush)
+SLOT_TOOL (ColorPicker)
+SLOT_TOOL (ColorWasher)
+SLOT_TOOL (Curve)
+SLOT_TOOL (Ellipse)
+SLOT_TOOL (EllipticalSelection)
+SLOT_TOOL (Eraser)
+SLOT_TOOL (FloodFill)
+SLOT_TOOL (FreeFormSelection)
+SLOT_TOOL (Line)
+SLOT_TOOL (Pen)
+SLOT_TOOL (Polygon)
+SLOT_TOOL (Polyline)
+SLOT_TOOL (Rectangle)
+SLOT_TOOL (RectSelection)
+SLOT_TOOL (RoundedRectangle)
+SLOT_TOOL (Text)