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/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 305 insertions, 0 deletions

diff --git a/kregexpeditor/KMultiFormListBox/kmultiformlistbox-multivisible.cpp b/kregexpeditor/KMultiFormListBox/kmultiformlistbox-multivisible.cpp
new file mode 100644
index 0000000..335863b
--- /dev/null
+++ b/kregexpeditor/KMultiFormListBox/kmultiformlistbox-multivisible.cpp
@@ -0,0 +1,305 @@
+/*
+ *  Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#ifdef QT_ONLY
+  #include "compat.h"
+  #include <qmessagebox.h>
+#else
+  #include <kmessagebox.h>
+  #include "kmultiformlistbox-multivisible.moc"
+#endif
+
+#include "kmultiformlistbox-multivisible.h"
+#include "indexWindow.h"
+#include "ccp.h"
+
+#include <qbitmap.h>
+
+const int indexButtonWidth = 16;
+const int indexButtonHeight = 12;
+const uchar indexButtonBits[] = {
+	0x00, 0x00, 0x00, 0x00, 0x0e, 0x02, 0x04, 0x02, 0x04, 0x02, 0xc4, 0x8a,
+	0x24, 0x53, 0x14, 0x22, 0x14, 0x22, 0x24, 0x53, 0xce, 0x8a, 0x00, 0x00
+};
+
+
+KMultiFormListBoxMultiVisible::KMultiFormListBoxMultiVisible(KMultiFormListBoxFactory *fact, QWidget *parent, const char *name)
+  : QScrollView(parent, name)
+{
+  factory = fact;
+
+  // Initialize the element list
+  elms = new WidgetList();
+
+  // Initialize the clipper.
+  enableClipper(true);
+  resizeContents(50,50); // This is required for proper functionality
+}
+
+
+
+//----------------------------------------------------------------------
+// This function returns a list of the elements in the KMultiFormListBox widget.
+//----------------------------------------------------------------------
+KMultiFormListBoxEntryList KMultiFormListBoxMultiVisible::elements()
+{
+  KMultiFormListBoxEntryList res;
+  for (QWidget *child = elms->first(); child; child=elms->next()) {
+    if (strcmp(child->name(),"seperator") != 0) {
+      res.append((KMultiFormListBoxEntry *) child);
+    }
+  }
+  return res;
+}
+
+
+//----------------------------------------------------------------------
+// This function is called whenever the KMultiFormListBox widget is resized. It is
+// necessary to ensure that the content of the clipper is resized.
+//----------------------------------------------------------------------
+void KMultiFormListBoxMultiVisible::resizeEvent(QResizeEvent *e)
+{
+  // The call of the super class ensures that the outer border is updated.
+  QScrollView::resizeEvent(e);
+
+  updateClipperContent();
+}
+
+void KMultiFormListBoxMultiVisible::updateClipperContent()
+{
+  // Extract the current size of the clipper
+  int ClipperWidth = clipper()->size().width();
+  int ClipperHeight = clipper()->size().height();
+
+  // Initialize the calculation of the size of the new clipper.
+  int totalHeight = 0;
+  int maxWidth = ClipperWidth;
+  int count = 0;
+
+
+  // calculate the required size.
+  for (QWidget *child = elms->first(); child; child=elms->next()) {
+    maxWidth = QMAX(maxWidth, child->sizeHint().width());
+    if (strcmp(child->name(), "seperator") != 0) {
+      totalHeight += child->sizeHint().height();
+      count++;
+    }
+    else {
+      totalHeight += child->size().height();
+    }
+  }
+
+  // Calculate the extra height for the elements.
+  int extra = 0;
+  if (totalHeight < ClipperHeight && count != 0) {
+    extra = (ClipperHeight - totalHeight) / count;
+    totalHeight = ClipperHeight;
+  }
+
+  // Now place the elements in the clipper.
+  int yPos = 0;
+  for (QWidget *child2 = elms->first(); child2; child2=elms->next()) {
+    int h;
+    if ( strcmp(child2->name(),"seperator") != 0) {
+      h = child2->sizeHint().height();
+      h += extra;
+    }
+    else {
+      h = child2->size().height();
+    }
+
+    moveChild(child2, 0,yPos);
+
+    child2->resize(maxWidth,h);
+    yPos += h;
+  }
+
+  // Finally call the resize procedure for the clipper to ensure that the
+  // new sizes is shown properly.
+  resizeContents(maxWidth, totalHeight);
+}
+
+
+void KMultiFormListBoxMultiVisible::addElement()
+{
+  addElement(0);
+}
+
+void KMultiFormListBoxMultiVisible::addElement(KMultiFormListBoxEntry *after)
+{
+  KMultiFormListBoxEntry *elm = factory->create(viewport());
+  insertElmIntoWidget(elm, after);
+}
+
+void KMultiFormListBoxMultiVisible::append(KMultiFormListBoxEntry *elm)
+{
+  elm->reparent(viewport(), 0, QPoint(0,0), false);
+  insertElmIntoWidget(elm, 0);
+}
+
+void KMultiFormListBoxMultiVisible::delElement(QWidget *elm)
+{
+  int index = elms->find(elm);
+  QWidget *next = elms->at(index+1);
+  if (strcmp(next->name(),"seperator") != 0) {
+    elms->removeRef(next);
+    removeChild(next);
+  }
+
+  elms->removeRef(elm);
+  removeChild(elm);
+
+  updateClipperContent();
+}
+
+void KMultiFormListBoxMultiVisible::delAnElement()
+{
+  delElement(elms->at(0));
+}
+
+void KMultiFormListBoxMultiVisible::insertElmIntoWidget(KMultiFormListBoxEntry *elm, KMultiFormListBoxEntry *after)
+{
+  // Bind the index button if it exists.
+  if (elm->indexButton()) {
+    elm->indexButton()->setPixmap(QBitmap(indexButtonWidth, indexButtonHeight,
+																					indexButtonBits, true));
+    connect(elm->indexButton(), SIGNAL(clicked()), elm, SLOT(acceptIndexButton()));
+    connect(elm, SIGNAL(gotoIndex(KMultiFormListBoxEntry *)),
+            this, SLOT(showIndexList(KMultiFormListBoxEntry *)));
+  }
+
+  // Find the location to insert the new element.
+  int index = elms->count();
+  if (after) {
+    index = elms->findRef(after);
+  }
+
+  // Now show the new element.
+  elms->insert(index, elm);
+  elm->show();
+  addChild(elm,0,0); // updateClipperContent will place the child correctly.
+
+  QWidget *sep = factory->separator(viewport());
+  if (sep != 0) {
+    sep->setName("seperator");
+    sep->show();
+    addChild(sep,0,0); // updateClipperContent will place the child correctly.
+    elms->insert(index+1, sep);
+  }
+
+  updateClipperContent();
+
+  showWidget(elm); // scroll to show the new widget.
+
+  // install cut'n'paste functionallity
+  new CCP(this,elm);
+}
+
+
+//----------------------------------------------------------------------
+// This function shows the list of available Idx elements.
+//----------------------------------------------------------------------
+void KMultiFormListBoxMultiVisible::showIndexList(KMultiFormListBoxEntry *elm)
+{
+  indexWindow *menu = new indexWindow();
+
+  // Insert the elements into the menu item.
+  for (QWidget *child = elms->first(); child; child=elms->next()) {
+    if ( strcmp(child->name(), "seperator") != 0) {
+      QString txt = ((KMultiFormListBoxEntry *) child)->idxString();
+      menu->insertItem(txt);
+    }
+  }
+
+  // Calculate the location of the window
+  QPoint start;
+  int width;
+  elm->indexWindowPos(&start, &width);
+
+  // Show the window.
+  int index = menu->exec(start,width);
+
+  if (index != -1) {
+    for (QWidget *child = elms->first(); child; child=elms->next()) {
+      if ( strcmp(child->name(), "seperator") != 0) {
+
+        if (index == 0) {
+          showWidget((KMultiFormListBoxEntry *) child);
+          break;
+        }
+        index--;
+      }
+    }
+  }
+  delete menu;
+}
+
+//----------------------------------------------------------------------
+// Scroll to the loaction of the given KMultiFormListBoxEntry element.
+//----------------------------------------------------------------------
+void KMultiFormListBoxMultiVisible::showWidget(KMultiFormListBoxEntry *elm)
+{
+  setContentsPos(childX(elm), childY(elm));
+}
+
+
+void KMultiFormListBoxMultiVisible::cut(KMultiFormListBoxEntry *elm)
+{
+	if (countElements(elms) == 1) {
+		KMessageBox::information(this, i18n("Due to a bug, it is not possible to remove the last element."), i18n("Internal Error") );
+		return;
+	}
+
+  QDataStream stream(clipboard, IO_WriteOnly);
+  factory->toStream( elm, stream );
+  delElement(elm);
+}
+
+void KMultiFormListBoxMultiVisible::copy(KMultiFormListBoxEntry *elm)
+{
+  QDataStream stream(clipboard, IO_WriteOnly);
+  factory->toStream(elm, stream);
+}
+
+void KMultiFormListBoxMultiVisible::paste(KMultiFormListBoxEntry *oldElm)
+{
+  if (clipboard.size() == 0) {
+    KMessageBox::information(this, i18n("There is no element on the clipboard to paste in."));
+    return;
+  }
+
+  KMultiFormListBoxEntry *newElm = factory->create(viewport());
+  QDataStream stream( clipboard, IO_ReadOnly );
+  factory->fromStream(stream, newElm);
+  insertElmIntoWidget(newElm,oldElm);
+}
+
+
+int KMultiFormListBoxMultiVisible::countElements(WidgetList *elms)
+{
+  int count = 0;
+
+  for (QWidget *child = elms->first(); child; child=elms->next()) {
+    if (dynamic_cast<const KMultiFormListBoxEntry *>(child))
+      count++;
+  }
+
+  return count;
+}
+
+