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koffice/kword/KWFrameView.cpp

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/* This file is part of the KOffice project
* Copyright (C) 2005 Thomas Zander <zander@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 as published by the Free Software Foundation; version 2.
* 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.
*/
#include "KWFrameView.h"
#include "KWFrameViewManager.h"
#include "KWFrame.h"
#include "KWFrameSet.h"
#include "KWTextFrameSet.h"
#include "KWTableFrameSet.h"
#include "KWPartFrameSet.h"
#include "KWVariable.h"
#include "KWPictureFrameSet.h"
#include "KWViewMode.h"
#include "KWDocument.h"
#include "KWCanvas.h"
#include "KoZoomHandler.h"
#include <klocale.h>
#include <kactionclasses.h>
#include <tqapplication.h>
#include <tqpopupmenu.h>
static const double HORIZONTAL_SNAP = 6; // horizontal snap zone (in pt)
static const double VERTICAL_SNAP = 6; // vertical snap zone (in pt)
KWFrameView::KWFrameView(KWFrameViewManager *parent, KWFrame *frame) {
m_manager = parent;
Q_ASSERT(frame);
Q_ASSERT(frame->frameSet());
m_frame = frame;
m_selected = false;
if(frame->frameSet()->groupmanager() || dynamic_cast<KWTableFrameSet *>(frame->frameSet()) != 0)
m_policy = new TableFramePolicy(this);
else if(dynamic_cast<KWTextFrameSet *>(frame->frameSet()) != 0)
m_policy = new TextFramePolicy(this);
else if(dynamic_cast<KWPartFrameSet *>(frame->frameSet()) != 0)
m_policy = new PartFramePolicy(this);
else if(dynamic_cast<KWPictureFrameSet *>(frame->frameSet()) != 0)
m_policy = new ImageFramePolicy(this);
else {
m_policy = new TextFramePolicy(this);
kdWarning() << "Unknown frameset supplied!" << endl;
}
}
KWFrameView::~KWFrameView() {
delete m_policy;
}
bool KWFrameView::isBorderHit(const KoPoint &point) const {
return hit(point, true, true);
}
bool KWFrameView::contains(const KoPoint &point, bool fuzzy) const {
return hit(point, fuzzy, false);
}
bool KWFrameView::hit(const KoPoint &point, bool fuzzy , bool borderOnly) const {
//kdDebug() << "hit " << point << " " << fuzzy << ", " << borderOnly << endl;
double hs = 0, vs =0;
if(fuzzy) {
hs = HORIZONTAL_SNAP;
if(frame()->width() < HORIZONTAL_SNAP * 3)
hs = frame()->width() / 3;
vs = VERTICAL_SNAP;
if(frame()->height() < VERTICAL_SNAP * 3)
vs = frame()->height() / 3;
}
if(point.x() < frame()->x() - hs)
return false;
if(point.x() > frame()->right() + hs)
return false;
if(point.y() < frame()->y() - vs)
return false;
if(point.y() > frame()->bottom() + vs)
return false;
if(borderOnly) { // also exclude inner part.
if(point.x() > frame()->x() + hs && point.x() < frame()->right() - hs &&
point.y() > frame()->y() + vs && point.y() < frame()->bottom() - vs )
return false;
}
return true;
}
MouseMeaning KWFrameView::mouseMeaning( const KoPoint &point, int keyState ) {
if(isBorderHit(point)) {
MouseMeaning mm = m_policy->mouseMeaningOnBorder(point, keyState);
if(mm != MEANING_NONE && ( frame()->frameSet()->isProtectSize() ||
frame()->frameSet()->isMainFrameset() || frame()->frameSet()->isAHeader() ||
frame()->frameSet()->isAFooter() ))
mm = MEANING_FORBIDDEN;
return mm;
}
if(hit(point, false, false))
return m_policy->mouseMeaning(point, keyState);
return MEANING_NONE;
}
void KWFrameView::setSelected(bool selected, MouseMeaning selectPolicy) {
m_policy->setSelected(selectPolicy);
if( m_selected == selected ) return;
m_manager->slotFrameSelectionChanged();
m_selected = selected;
}
void KWFrameView::showPopup( const KoPoint &point, KWView *view, const TQPoint &popupPoint) const {
view->unplugActionList( "tableactions" );
view->unplugActionList( "frameset_type_action" );
TQPopupMenu *popup = m_policy->createPopup(point, view);
Q_ASSERT(popup);
popup->popup(popupPoint);
}
void KWFrameView::paintFrameAttributes(TQPainter *painter, const TQRect &crect, KWViewMode *vm, KoZoomHandler *zh) {
if( !m_selected )
return;
class ResizeHandle {
private:
const int GRIP_SIZE;
bool readOnly;
public:
ResizeHandle(KWFrameView *fv) : GRIP_SIZE(6) {
KWFrameSet *fs = fv->frame()->frameSet();
readOnly = fs->isProtectSize() || fs->isMainFrameset() ||
fs->isAHeader() || fs->isAFooter() || fs->isFloating();
}
void paint(TQPainter *p, int x, int y) {
p->setPen( TQPen( TQt::black, 1, TQPen::SolidLine ) );
p->setBrush( TQApplication::palette().color( TQPalette::Active, TQColorGroup::Highlight ) );
p->drawRect( x, y, GRIP_SIZE, GRIP_SIZE );
if( readOnly ) { //protected frame
TQBrush brush = TQApplication::palette().color( TQPalette::Active,TQColorGroup::Base );
p->fillRect( x+1, y+1, GRIP_SIZE-2, GRIP_SIZE-2, brush );
}
}
};
const TQRect frameRect = vm->normalToView( zh->zoomRect( *frame() ) );
if ( crect.intersects( frameRect ) )
{
ResizeHandle handle(this);
const int width = frameRect.width();
const int height = frameRect.height();
for(int y=0; y < 3; y++) {
int offsetY = -1 + y + frameRect.y();
if(y > 0) offsetY += (height - 6) / (y == 1 ? 2:1);
for(int x=0; x < 3; x++) {
if(x == 1 && y == 1) continue; // don't draw in the center of the frame.
int offsetX = -1 + x + frameRect.x();
if(x > 0) offsetX += (width - 6) / (x == 1 ? 2:1);
handle.paint(painter, offsetX, offsetY);
}
}
}
}
// *********** Policies *********
FramePolicy::FramePolicy(KWFrameView *view) {
m_separator = new KActionSeparator();
m_view = view;
}
void FramePolicy::addFloatingAction(KWView *view, TQPtrList<KAction> &actionList) {
if(m_view->frame()->frameSet()->isMainFrameset())
return;
actionList.append(m_separator);
KToggleAction *action = dynamic_cast<KToggleAction*> (view->actionCollection()->
action("inline_frame"));
Q_ASSERT(action);
KWFrameSet *parentFs = m_view->frame()->frameSet()->groupmanager() ?
m_view->frame()->frameSet()->groupmanager() : m_view->frame()->frameSet();
action->setChecked(parentFs->isFloating());
actionList.append(action);
}
MouseMeaning FramePolicy::mouseMeaningOnBorder( const KoPoint &point, int keyState ) {
Q_UNUSED(keyState);
double hs = HORIZONTAL_SNAP;
KWFrame *frame = m_view->frame();
if(frame->width() < HORIZONTAL_SNAP * 3)
hs = frame->width() / 3;
double vs = VERTICAL_SNAP;
if(frame->height() < VERTICAL_SNAP * 3)
vs = frame->height() / 3;
// Corners
if( point.x() <= frame->x() + hs ) { // left edge
if(point.y() <= frame->y() + vs)
return MEANING_TOPLEFT;
if(point.y() >= frame->bottom() - vs)
return MEANING_BOTTOMLEFT;
if( TQABS(frame->y() + frame->height() / 2 - point.y()) <= vs )
return MEANING_LEFT;
return MEANING_MOUSE_MOVE;
}
if( point.x() >= frame->right() - hs) { // right edge
if(point.y() <= frame->y() + vs)
return MEANING_TOPRIGHT;
if(point.y() >= frame->bottom() - vs)
return MEANING_BOTTOMRIGHT;
if( TQABS(frame->y() + frame->height() / 2 - point.y()) <= vs )
return MEANING_RIGHT;
return MEANING_MOUSE_MOVE;
}
if( frame->y() + vs >= point.y() ) { // top edge
if( TQABS(frame->x() + frame->width() / 2 - point.x() ) <= hs )
return MEANING_TOP;
return MEANING_MOUSE_MOVE;
}
if( frame->bottom() - vs <= point.y() ) { // bottom edge
if( TQABS(frame->x() + frame->width() / 2 - point.x() ) <= hs )
return MEANING_BOTTOM;
return MEANING_MOUSE_MOVE;
}
return MEANING_NONE;
}
TableFramePolicy::TableFramePolicy(KWFrameView *view) : FramePolicy (view) {
}
MouseMeaning TableFramePolicy::mouseMeaning( const KoPoint &point, int keyState ) {
Q_UNUSED(point);
// Found a frame under the cursor
// Ctrl -> select
if ( keyState & TQt::ControlButton )
return MEANING_MOUSE_SELECT;
// Shift _and_ at least a frame is selected already
// (shift + no frame selected is used to select text)
if ( (keyState & TQt::ShiftButton) && m_view->parent()->selectedFrame() != 0 )
return MEANING_MOUSE_SELECT;
return MEANING_MOUSE_INSIDE_TEXT;
}
TQPopupMenu* TableFramePolicy::createPopup( const KoPoint &point, KWView *view ) {
view->plugActionList( "tableactions", view->tableActions() );
if( m_view->isBorderHit(point) )
return view->popupMenu("frame_popup_table");
return view->popupMenu("text_popup");
}
MouseMeaning TableFramePolicy::mouseMeaningOnBorder(const KoPoint &point, int keyState) {
KWFrame *frame = m_view->frame();
double hs = HORIZONTAL_SNAP; // horizontal snap zone (in pt)
double vs = VERTICAL_SNAP; // vertical snap zone (in pt)
bool ctrl = keyState & TQt::ControlButton;
if ( TQABS( frame->x() - point.x() ) < hs
&& point.y() >= frame->y() && point.y() <= frame->bottom() ) {
if( static_cast<KWTableFrameSet::Cell *>(frame->frameSet())->firstColumn() == 0 )
return MEANING_SELECT_ROW;
if(!ctrl)
return MEANING_RESIZE_COLUMN;
}
if ( TQABS( frame->y() - point.y() ) < vs
&& point.x() >= frame->x() && point.x() <= frame->right() ) {
if( static_cast<KWTableFrameSet::Cell *>(frame->frameSet())->firstRow() == 0 )
return MEANING_SELECT_COLUMN;
if(!ctrl)
return MEANING_MOUSE_SELECT;
}
if (ctrl)
return MEANING_MOUSE_SELECT;
if ( TQABS( frame->right() - point.x() ) < hs
&& point.y() >= frame->y() && point.y() <= frame->bottom() )
return MEANING_RESIZE_COLUMN;
if ( TQABS( frame->bottom() - point.y() ) < vs
&& point.x() >= frame->x() && point.x() <= frame->right() )
return MEANING_MOUSE_SELECT;
return MEANING_NONE;
}
void TableFramePolicy::setSelected(MouseMeaning selectPolicy) {
KWFrameSet *fs = m_view->frame()->frameSet();
if( selectPolicy == MEANING_SELECT_COLUMN ) {
unsigned int column = static_cast<KWTableFrameSet::Cell *>(fs)->firstColumn();
for (KWTableFrameSet::TableIter cells(fs->groupmanager()); cells; ++cells) {
if(cells->firstColumn() >= column && cells->lastColumn() <= column) {
KWFrameView *fv = m_view->parent()->view(cells->frame(0));
if(fv)
fv->setSelected(true);
}
}
}
else if( selectPolicy == MEANING_SELECT_ROW ) {
unsigned int row = static_cast<KWTableFrameSet::Cell *>(fs)->firstRow();
for (KWTableFrameSet::TableIter cells(fs->groupmanager()); cells; ++cells) {
if(cells->firstRow() >= row && cells->lastRow() <= row) {
KWFrameView *fv = m_view->parent()->view(cells->frame(0));
if(fv)
fv->setSelected(true);
}
}
}
else if( selectPolicy == MEANING_SELECT_RANGE ) {
kdDebug() << "not yet implemented; select table range\n"; // TODO
}
}
PartFramePolicy::PartFramePolicy(KWFrameView *view) : FramePolicy (view) {
}
MouseMeaning PartFramePolicy::mouseMeaning( const KoPoint &point, int keyState ) {
Q_UNUSED(point);
// Clicking on a selected part frame, but not on its border -> either resize or "activate part"
if( keyState & TQt::ControlButton ) {
return m_view->selected() ? MEANING_MOUSE_MOVE : MEANING_MOUSE_SELECT;
}
if ( m_view->selected() )
return MEANING_ACTIVATE_PART;
return MEANING_MOUSE_SELECT;
}
TQPopupMenu* PartFramePolicy::createPopup( const KoPoint &point, KWView *view ) {
Q_UNUSED(point);
KWPartFrameSet *part = static_cast<KWPartFrameSet *>(m_view->frame()->frameSet());
KActionSeparator *separator=new KActionSeparator();
KActionCollection *actionCollection = view->actionCollection();
TQPtrList<KAction> actionList;
actionList.append(separator);
if( !part->protectContent() ) {
KToggleAction *action = dynamic_cast<KToggleAction*>(actionCollection->action("embedded_store_internal"));
Q_ASSERT(action);
action->setChecked(part->getChild()->document()->storeInternal());
action->setEnabled(part->getChild()->document()->hasExternURL());
actionList.append(action);
}
addFloatingAction(view, actionList);
view->plugActionList( "frameset_type_action", actionList );
return view->popupMenu("frame_popup");
}
TextFramePolicy::TextFramePolicy(KWFrameView *view) : FramePolicy (view) {
}
MouseMeaning TextFramePolicy::mouseMeaning( const KoPoint &point, int keyState ) {
if( (keyState & TQt::ControlButton) == TQt::ControlButton )
return MEANING_MOUSE_SELECT;
KWTextFrameSet *fs = dynamic_cast<KWTextFrameSet*>(m_view->frame()->frameSet());
if(fs == 0 || fs->kWordDocument() == 0)
return MEANING_MOUSE_INSIDE_TEXT;
KWVariableCollection *varCol = fs->kWordDocument()->variableCollection();
if (varCol->variableSetting()->displayLink() && varCol->variableSetting()->underlineLink()
&& fs->linkVariableUnderMouse( point ) )
return MEANING_MOUSE_OVER_LINK;
KoVariable* var = fs->variableUnderMouse(point);
if ( var ) {
KWFootNoteVariable * footNoteVar = dynamic_cast<KWFootNoteVariable *>( var );
if ( footNoteVar )
return MEANING_MOUSE_OVER_FOOTNOTE;
}
return MEANING_MOUSE_INSIDE_TEXT;
}
TQPopupMenu* TextFramePolicy::createPopup( const KoPoint &point, KWView *view ) {
if( m_view->isBorderHit(point) ) {
KWFrameSet *fs = m_view->frame()->frameSet();
KActionSeparator *separator=new KActionSeparator();
KActionCollection *actionCollection = view->actionCollection();
TQPtrList<KAction> actionList;
if(fs->isHeaderOrFooter()) {
actionList.append(separator);
actionList.append(actionCollection->action("configure_headerfooter"));
}
else if (fs->isFootEndNote()) {
actionList.append(separator);
KAction *action = actionCollection->action("goto_footendnote");
action->setText( fs->isFootNote() ?
i18n( "Go to Footnote" ) : i18n( "Go to Endnote" ) );
actionList.append(action);
}
addFloatingAction(view, actionList);
view->plugActionList( "frameset_type_action", actionList );
return view->popupMenu("frame_popup");
}
if ( view->getGUI()->canvasWidget()->currentFrameSetEdit()->frameSet()->type() == FT_FORMULA )
return view->popupMenu("Formula");
// yeah yeah, this is not great and needs a second look. (TZ)
KWTextFrameSetEdit *fse = static_cast<KWTextFrameSetEdit*> (view->getGUI()->
canvasWidget()->currentFrameSetEdit());
TQString word = fse->wordUnderCursor( *fse->cursor() );
// Remove previous stuff
view->unplugActionList( "datatools" );
view->unplugActionList( "variable_action" );
view->unplugActionList( "spell_result_action" );
view->unplugActionList( "datatools_link" );
// Those lists are stored in the KWView. Grab a ref to them.
TQPtrList<KAction> &actionList = view->dataToolActionList();
TQPtrList<KAction> &variableList = view->variableActionList();
actionList.clear();
variableList.clear();
bool singleWord= false;
KWDocument * doc = m_view->frame()->frameSet()->kWordDocument();
actionList = fse->dataToolActionList(doc->instance(), word, singleWord);
KoVariable* var = fse->variable();
doc->variableCollection()->setVariableSelected(var);
if ( var )
variableList = doc->variableCollection()->popupActionList();
if( variableList.count()>0) {
view->plugActionList( "variable_action", variableList );
return view->popupMenu("variable_popup");
}
//kdDebug() << "TextFramePolicy::createPopup: plugging actionlist with " << actionList.count() << " actions" << endl;
KoLinkVariable* linkVar = dynamic_cast<KoLinkVariable *>( var );
if ( linkVar ) {
view->plugActionList( "datatools_link", actionList );
return view->popupMenu("text_popup_link");
}
view->plugActionList( "datatools", actionList );
KoNoteVariable * noteVar = dynamic_cast<KoNoteVariable *>( var );
if( noteVar )
return view->popupMenu("comment_popup");
KoCustomVariable * customVar = dynamic_cast<KoCustomVariable *>( var );
if( customVar )
return view->popupMenu("custom_var_popup");
KWFootNoteVariable * footNoteVar = dynamic_cast<KWFootNoteVariable *>( var );
if ( footNoteVar ) {
view->changeFootNoteMenuItem( footNoteVar->noteType() == FootNote );
return view->popupMenu("footnote_popup");
}
if ( singleWord ) {
TQPtrList<KAction> actionCheckSpellList = view->listOfResultOfCheckWord( word );
if ( !actionCheckSpellList.isEmpty() ) {
view->plugActionList( "spell_result_action", actionCheckSpellList );
return view->popupMenu("text_popup_spell_with_result");
}
return view->popupMenu("text_popup_spell");
}
return view->popupMenu("text_popup");
}
ImageFramePolicy::ImageFramePolicy(KWFrameView *view) : FramePolicy (view) {
}
MouseMeaning ImageFramePolicy::mouseMeaning( const KoPoint &point, int keyState ) {
Q_UNUSED(point);
Q_UNUSED(keyState);
return m_view->selected() ? MEANING_MOUSE_MOVE: MEANING_MOUSE_SELECT;
}
TQPopupMenu* ImageFramePolicy::createPopup( const KoPoint &point, KWView *view ) {
Q_UNUSED(point);
KActionSeparator *separator=new KActionSeparator();
KActionCollection *actionCollection = view->actionCollection();
TQPtrList<KAction> actionList;
actionList.append(separator);
KAction *action = actionCollection->action("change_picture");
Q_ASSERT(action);
actionList.append(action);
action = actionCollection->action("save_picture");
Q_ASSERT(action);
actionList.append(action);
addFloatingAction(view, actionList);
view->plugActionList( "frameset_type_action", actionList );
return view->popupMenu("frame_popup");
}