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koffice/kivio/plugins/kivioselecttool/tool_select.cpp

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/*
* Kivio - Visual Modelling and Flowcharting
* Copyright (C) 2000-2003 theKompany.com & Dave Marotti,
* Peter Simonsson
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**************************************************************************************
*
* The code for dragging and resizing stencils is all contained in this class. KivioCanvas
* is used only for drawing since it's a canvas.
*
*/
#include "tool_select.h"
#include "kivio_view.h"
#include "kivio_doc.h"
#include "kivio_canvas.h"
#include "kivio_page.h"
#include "kivio_custom_drag_data.h"
#include "kivio_layer.h"
#include "kivio_stencil.h"
#include <tdeactionclasses.h>
#include <tdepopupmenu.h>
#include <kdebug.h>
#include <KoZoomHandler.h>
#include <KoPoint.h>
#include <klocale.h>
#include <KoGuides.h>
#include "kivio_command.h"
#include <tqwmatrix.h>
#include "kivio_pluginmanager.h"
SelectTool::SelectTool( KivioView* parent ) : Kivio::MouseTool(parent, "Selection Mouse Tool")
{
view()->pluginManager()->setDefaultTool(this);
TDEShortcut selectShortCut(Key_Space);
selectShortCut.setSeq(1, TQKeySequence(Key_Escape));
m_selectAction = new TDERadioAction(i18n("&Select"), "select", selectShortCut, actionCollection(), "select");
connect(m_selectAction, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(setActivated(bool)));
m_textEditAction = new TDEAction(i18n("&Edit Text..."), "text", Key_F2,
this, TQT_SLOT(editStencilText()), actionCollection(), "editText");
(void) new TDEAction(i18n("Format &Stencils && Connectors..."), 0, 0, TQT_TQOBJECT(view()), TQT_SLOT(stencilFormat()),
actionCollection(), "formatStencil");
m_arrowHeadAction = new TDEAction(i18n("Format &Arrowheads..."), 0, 0, TQT_TQOBJECT(view()), TQT_SLOT(arrowHeadFormat()),
actionCollection(), "formatConnector");
m_mode = stmNone;
m_pResizingStencil = NULL;
m_pCustomDraggingStencil = NULL;
m_lstOldGeometry.setAutoDelete(true);
m_customDragID = 0;
}
SelectTool::~SelectTool()
{
}
/**
* Event delegation
*
* @param e The event to be identified and processed
*
*/
bool SelectTool::processEvent(TQEvent* e)
{
KivioCanvas* canvas = view()->canvasWidget();
TQMouseEvent *m;
switch (e->type())
{
case TQEvent::MouseButtonDblClick:
m = (TQMouseEvent *)e;
if( m->button() == Qt::LeftButton ) {
leftDoubleClick(m->pos());
}
canvas->setFocus();
return true;
break;
case TQEvent::MouseButtonPress:
m = (TQMouseEvent *)e;
if( m->button() == Qt::RightButton ) {
showPopupMenu(m->globalPos());
} else if( m->button() == Qt::LeftButton ) {
if(m->state() & ControlButton) {
m_controlKey = true;
} else {
m_controlKey = false;
}
mousePress( m->pos() );
}
canvas->setFocus();
return true;
break;
case TQEvent::MouseButtonRelease:
mouseRelease( ((TQMouseEvent *)e)->pos() );
canvas->setFocus();
return true;
break;
case TQEvent::MouseMove:
mouseMove( TQT_TQMOUSEEVENT(e));
return true;
break;
case TQEvent::KeyPress:
if((TQT_TQKEYEVENT(e)->key() >= Key_Left) && (TQT_TQKEYEVENT(e)->key() <= Key_Down)) {
keyPress(TQT_TQKEYEVENT(e));
return true;
}
break;
default:
break;
}
return false;
}
void SelectTool::setActivated(bool a)
{
if(a) {
m_selectAction->setChecked(true);
view()->canvasWidget()->unsetCursor();
m_mode = stmNone;
emit activated(this);
} else if(m_selectAction->isChecked()) {
m_selectAction->setChecked(false);
view()->canvasWidget()->activePage()->setPaintSelected(true);
}
}
/**
* Selects all stencils inside a given rect
*/
void SelectTool::select(const TQRect &r)
{
// Calculate the start and end clicks in terms of page coordinates
KoPoint startPoint = view()->canvasWidget()->mapFromScreen( TQPoint( r.x(), r.y() ) );
KoPoint releasePoint = view()->canvasWidget()->mapFromScreen( TQPoint( r.x() + r.width(), r.y() + r.height() ) );
double x, y, w, h;
// Calculate the x,y position of the selection box
x = startPoint.x() < releasePoint.x() ? startPoint.x() : releasePoint.x();
y = startPoint.y() < releasePoint.y() ? startPoint.y() : releasePoint.y();
// Calculate the w/h of the selection box
w = releasePoint.x() - startPoint.x();
if( w < 0.0 ) {
w *= -1.0;
}
h = releasePoint.y() - startPoint.y();
if( h < 0.0 ) {
h *= -1.0;
}
// Tell the page to select all stencils in this box
view()->activePage()->selectStencils( x, y, w, h );
}
void SelectTool::mousePress(const TQPoint &pos)
{
// Last point is used for undrawing at the last position and calculating the distance the mouse has moved
m_lastPoint = view()->canvasWidget()->mapFromScreen(pos);
m_origPoint = m_lastPoint;
// Check if we nailed a custom drag point on a selected stencil
if( startCustomDragging(pos, true) )
{
m_mode = stmCustomDragging;
return;
}
// Check if we are resizing
if( startResizing(pos) )
{
m_mode = stmResizing;
return;
}
// Check if we nailed a custom drag point on any other stencil
if( startCustomDragging(pos, false) )
{
m_mode = stmCustomDragging;
return;
}
// Check if we can drag a stencil
if( startDragging(pos, false) )
{
m_mode = stmDragging;
return;
}
// This should always be the last 'start' call since it always returns true
if( startRubberBanding(pos) )
{
m_mode = stmDrawRubber;
return;
}
}
/**
* Tests if we should start rubber banding (always returns true).
*/
bool SelectTool::startRubberBanding(const TQPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
// We didn't find a stencil, so unselect everything if we aren't holding the control key down
if( !m_controlKey )
canvas->activePage()->unselectAllStencils();
canvas->startRectDraw( pos, KivioCanvas::Rubber );
canvas->repaint();
return true;
}
/**
* Tests if we can start dragging a stencil.
*/
bool SelectTool::startDragging(const TQPoint &pos, bool onlySelected)
{
KivioCanvas* canvas = view()->canvasWidget();
KivioPage *pPage = canvas->activePage();
KivioStencil *pStencil;
int colType;
// Figure out how big 4 pixels is in terms of points
double threshold = view()->zoomHandler()->unzoomItY(4);
KoPoint pagePoint = canvas->mapFromScreen( pos );
pStencil = pPage->checkForStencil( &pagePoint, &colType, threshold, onlySelected );
if( !pStencil )
return false;
canvas->setEnabled(false);
if( pStencil->isSelected() )
{
// If we are clicking an already selected stencil, and the control
// key down, then unselect this stencil
if( m_controlKey==true ) {
pPage->unselectStencil( pStencil );
}
// Otherwise, it means we are just moving
}
else
{
// Clicking a new stencil, and the control key is not down
if( !m_controlKey )
pPage->unselectAllStencils();
pPage->selectStencil( pStencil );
// Update the auto guidelines
view()->canvasWidget()->updateAutoGuideLines();
}
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
// Build the list of old geometry
KivioSelectDragData *pData;
m_lstOldGeometry.clear();
pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
pData = new KivioSelectDragData;
pData->rect = pStencil->rect();
m_lstOldGeometry.append(pData);
pStencil = canvas->activePage()->selectedStencils()->next();
}
m_selectedRect = view()->activePage()->getRectForAllSelectedStencils();
changeMouseCursor(pos);
// Set the mode
m_mode = stmDragging;
m_firstTime = true;
canvas->setEnabled(true);
return true;
}
bool SelectTool::startCustomDragging(const TQPoint &pos, bool selectedOnly )
{
KivioCanvas* canvas = view()->canvasWidget();
KivioPage *pPage = canvas->activePage();
KivioStencil *pStencil;
int colType;
KoPoint pagePoint = canvas->mapFromScreen( pos );
// Figure out how big 4 pixels is in terms of points
double threshold = view()->zoomHandler()->unzoomItY(4);
pStencil = pPage->checkForStencil( &pagePoint, &colType, threshold, selectedOnly );
if( !pStencil || colType < kctCustom ) {
return false;
}
if(pStencil->isSelected()) {
// If we are clicking an already selected stencil, and the control
// key down, then unselect this stencil
if(m_controlKey) {
pPage->unselectStencil(pStencil);
}
} else {
// Clicking a new stencil, and the control key is not down
if(!m_controlKey) {
pPage->unselectAllStencils();
}
pPage->selectStencil( pStencil );
}
m_pCustomDraggingStencil = pStencil;
// Set the mode
m_mode = stmCustomDragging;
m_customDragID = colType;
m_customDragOrigPoint = pStencil->customIDPoint(m_customDragID);
view()->canvasWidget()->setShowConnectorTargets(true);
view()->canvasWidget()->repaint();
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
m_firstTime = true;
return true;
}
/**
* Tests if we can start resizing a stencil
*/
bool SelectTool::startResizing(const TQPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
KivioSelectDragData *pData;
double x = pagePoint.x();
double y = pagePoint.y();
// Search selected stencils to see if we have a resizing point
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
m_resizeHandle = isOverResizeHandle(pStencil, x, y);
if( m_resizeHandle > 0 )
{
switch( m_resizeHandle )
{
case 1: // top left
m_origPoint.setCoords(pStencil->x(), pStencil->y());
break;
case 2:
m_origPoint.setCoords((pStencil->x() + pStencil->w()) / 2.0, pStencil->y());
break;
case 3:
m_origPoint.setCoords(pStencil->x() + pStencil->w(), pStencil->y());
break;
case 4:
m_origPoint.setCoords(pStencil->x() + pStencil->w(), (pStencil->y() + pStencil->h()) / 2.0);
break;
case 5:
m_origPoint.setCoords(pStencil->x() + pStencil->w(), pStencil->y() + pStencil->h());
break;
case 6:
m_origPoint.setCoords((pStencil->x() + pStencil->w()) / 2.0, pStencil->y() + pStencil->h());
break;
case 7:
m_origPoint.setCoords(pStencil->x(), pStencil->y() + pStencil->h());
break;
case 8:
m_origPoint.setCoords(pStencil->x(), (pStencil->y() + pStencil->h()) / 2.0);
break;
}
m_lstOldGeometry.clear();
pData = new KivioSelectDragData;
pData->rect = pStencil->rect();
m_lstOldGeometry.append(pData);
m_pResizingStencil = pStencil;
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
m_firstTime = true;
return true;
}
pStencil = canvas->activePage()->selectedStencils()->next();
}
return false;
}
void SelectTool::mouseMove(TQMouseEvent* e)
{
TQPoint pos = e->pos();
bool ignoreGridGuides = e->state() & ShiftButton;
switch( m_mode )
{
case stmDrawRubber:
continueRubberBanding(pos);
break;
case stmDragging:
continueDragging(pos, ignoreGridGuides);
break;
case stmCustomDragging:
continueCustomDragging(pos);
break;
case stmResizing:
continueResizing(pos, ignoreGridGuides);
break;
default:
changeMouseCursor(pos);
break;
}
m_lastPoint = view()->canvasWidget()->mapFromScreen(pos);
}
void SelectTool::continueRubberBanding(const TQPoint &pos)
{
view()->canvasWidget()->continueRectDraw( pos, KivioCanvas::Rubber );
}
/**
* Continues the dragging process of a stencil (moving)
*
* How does this work? Initially we create a list of all the original
* geometry of all the selected stencils. We use that to calculate delta
* movements and snap them to the grid.
*/
void SelectTool::continueDragging(const TQPoint &pos, bool ignoreGridGuides)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen( pos );
double dx = pagePoint.x() - m_origPoint.x();
double dy = pagePoint.y() - m_origPoint.y();
bool snappedX;
bool snappedY;
double newX, newY;
// Undraw the old stencils
if(!m_firstTime) {
canvas->drawSelectedStencilsXOR();
} else {
canvas->activePage()->setPaintSelected(false);
canvas->repaint();
m_firstTime = false;
}
// Translate to the new position
KoPoint p;
newX = m_selectedRect.x() + dx;
newY = m_selectedRect.y() + dy;
if(!ignoreGridGuides) {
// First attempt a snap-to-grid
p.setCoords(newX, newY);
p = canvas->snapToGrid(p);
newX = p.x();
newY = p.y();
// Now the guides override the grid so we attempt to snap to them
// The bottom
p.setCoords(m_selectedRect.x() + dx + m_selectedRect.width(), m_selectedRect.y() + dy + m_selectedRect.height());
p = canvas->snapToGuides(p, snappedX, snappedY);
if(snappedX) {
newX = p.x() - m_selectedRect.width();
}
if(snappedY) {
newY = p.y() - m_selectedRect.height();
}
// The middle
p.setCoords(m_selectedRect.x() + dx + (m_selectedRect.width() / 2.0),
m_selectedRect.y() + dy + (m_selectedRect.height() / 2.0));
p = canvas->snapToGuides(p, snappedX, snappedY);
if(snappedX) {
newX = p.x() - (m_selectedRect.width() / 2.0);
}
if(snappedY) {
newY = p.y() - (m_selectedRect.height() / 2.0);
}
// The top
p.setCoords(m_selectedRect.x() + dx, m_selectedRect.y() + dy);
p = canvas->snapToGuides(p, snappedX, snappedY);
if(snappedX) {
newX = p.x();
}
if(snappedY) {
newY = p.y();
}
}
dx = newX - m_selectedRect.x();
dy = newY - m_selectedRect.y();
KivioSelectDragData *pData;
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
pData = m_lstOldGeometry.first();
while( pStencil && pData )
{
newX = pData->rect.x() + dx;
newY = pData->rect.y() + dy;
if( pStencil->protection()->at( kpX ) == false ) {
pStencil->setX(newX);
}
if( pStencil->protection()->at( kpY ) == false ) {
pStencil->setY(newY);
}
pData = m_lstOldGeometry.next();
pStencil = canvas->activePage()->selectedStencils()->next();
}
// Draw the stencils
canvas->drawSelectedStencilsXOR();
view()->updateToolBars();
}
void SelectTool::continueCustomDragging(const TQPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
bool hit = false;
if(m_pCustomDraggingStencil->type() == kstConnector){
pagePoint = canvas->activePage()->snapToTarget(pagePoint, 8.0, hit);
}
if(!hit) {
pagePoint = canvas->snapToGridAndGuides( pagePoint );
}
KivioCustomDragData data;
data.page = canvas->activePage();
data.dx = pagePoint.x() - m_lastPoint.x();
data.dy = pagePoint.y() - m_lastPoint.y();
data.x = pagePoint.x();
data.y = pagePoint.y();
data.id = m_customDragID;
data.scale = view()->zoomHandler()->zoomedResolutionY();
if(m_pCustomDraggingStencil->type() != kstConnector){
// Undraw the old stencils
if(!m_firstTime) {
canvas->drawStencilXOR(m_pCustomDraggingStencil);
} else {
m_pCustomDraggingStencil->setHidden(true);
canvas->repaint();
m_firstTime = false;
}
}
// Custom dragging can only occur on one stencil
if( m_pCustomDraggingStencil )
m_pCustomDraggingStencil->customDrag( &data );
// Draw the stencils
if(m_pCustomDraggingStencil->type() != kstConnector){
canvas->drawStencilXOR(m_pCustomDraggingStencil);
} else {
view()->canvasWidget()->repaint();
}
view()->updateToolBars();
}
void SelectTool::continueResizing(const TQPoint &pos, bool ignoreGridGuides)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
if(!ignoreGridGuides) {
pagePoint = canvas->snapToGridAndGuides( pagePoint );
}
KivioSelectDragData *pData = m_lstOldGeometry.first();
/* TQWMatrix m;
double w2 = m_pResizingStencil->w() / 2.0;
double h2 = m_pResizingStencil->h() / 2.0;
m.translate(m_pResizingStencil->x(), m_pResizingStencil->y());
m.translate(m_pResizingStencil->pinPoint().x(), m_pResizingStencil->pinPoint().y());
m.rotate(-m_pResizingStencil->rotation());
m.translate(-m_pResizingStencil->pinPoint().x(), -m_pResizingStencil->pinPoint().y());
m.translate(-m_pResizingStencil->x(), -m_pResizingStencil->y());
m.invert();
double x = pagePoint.x() * m.m11() + pagePoint.y() * m.m21() + m.dx();
double y = pagePoint.x() * m.m12() + pagePoint.y() * m.m22() + m.dy();*/
if( !pData )
{
kdDebug(43000) << "SelectTool::continueResizing() - Original geometry not found" << endl;
return;
}
double dx = pagePoint.x() - m_origPoint.x();
double dy = pagePoint.y() - m_origPoint.y();
if((dx > 0) || (dy > 0) || (dx < 0) || (dy < 0)) { // Do we really need to redraw?
// Undraw the old outline
if(!m_firstTime) {
canvas->drawStencilXOR( m_pResizingStencil );
} else {
m_pResizingStencil->setHidden(true);
canvas->repaint();
m_firstTime = false;
}
double sx = pData->rect.x();
double sy = pData->rect.y();
double sw = pData->rect.width();
double sh = pData->rect.height();
double ratio = sw / sh;
switch( m_resizeHandle )
{
case 1: // top left
if( m_pResizingStencil->protection()->testBit( kpWidth )==false &&
m_pResizingStencil->protection()->testBit( kpHeight )==false )
{
if((dx > dy) && (dx != 0)) {
dy = dx / ratio;
} else {
dx = dy * ratio;
}
m_pResizingStencil->setX( sx + dx );
m_pResizingStencil->setW( sw - dx );
m_pResizingStencil->setY( sy + dy );
m_pResizingStencil->setH( sh - dy );
}
break;
case 2: // top
if( m_pResizingStencil->protection()->testBit( kpHeight )==false )
{
m_pResizingStencil->setY( sy + dy );
m_pResizingStencil->setH( sh - dy );
}
break;
case 3: // top right
if( m_pResizingStencil->protection()->testBit( kpHeight )==false &&
m_pResizingStencil->protection()->testBit( kpWidth )==false )
{
if((dx > dy) && (dx != 0)) {
dy = -(dx / ratio);
} else {
dx = -(dy * ratio);
}
m_pResizingStencil->setY( sy + dy );
m_pResizingStencil->setH( sh - dy );
m_pResizingStencil->setW( sw + dx );
}
break;
case 4: // right
if( m_pResizingStencil->protection()->testBit( kpWidth )==false )
{
// see old kivio source when snaptogrid gets implemented
//setX( SnapToGrid(sx+sw+dx)-sx )
m_pResizingStencil->setW( sw + dx );
}
break;
case 5: // bottom right
if( m_pResizingStencil->protection()->testBit( kpWidth )==false &&
m_pResizingStencil->protection()->testBit( kpHeight )==false )
{
if((dx > dy) && (dx != 0)) {
dy = dx / ratio;
} else {
dx = dy * ratio;
}
m_pResizingStencil->setW( sw + dx );
m_pResizingStencil->setH( sh + dy );
}
break;
case 6: // bottom
if( m_pResizingStencil->protection()->testBit( kpHeight )==false )
{
m_pResizingStencil->setH( sh + dy );
}
break;
case 7: // bottom left
if( m_pResizingStencil->protection()->testBit( kpWidth )==false &&
m_pResizingStencil->protection()->testBit( kpHeight )==false )
{
if((dx > dy) && (dx != 0)) {
dy = -(dx / ratio);
} else {
dx = -(dy * ratio);
}
m_pResizingStencil->setX( sx + dx );
m_pResizingStencil->setW( sw - dx );
m_pResizingStencil->setH( sh + dy );
}
break;
case 8: // left
if( m_pResizingStencil->protection()->testBit( kpWidth )==false )
{
KoPoint pinPoint = m_pResizingStencil->pinPoint();
m_pResizingStencil->setPinPoint(KoPoint(pinPoint.x() - (dx / 2.0), pinPoint.y()));
m_pResizingStencil->setX( sx + dx );
m_pResizingStencil->setW( sw - dx );
}
break;
default:
kdDebug(43000) << "SelectTool::continueResizing() - unknown resize handle: " << m_resizeHandle << endl;
break;
}
canvas->drawStencilXOR( m_pResizingStencil );
view()->updateToolBars();
}
}
/**
* Change the mouse cursor based on what it is over.
*/
void SelectTool::changeMouseCursor(const TQPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
KivioStencil *pStencil;
double threshold = view()->zoomHandler()->unzoomItY(4);
int cursorType;
// Iterate through all the selected stencils
pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
cursorType = isOverResizeHandle(pStencil, pagePoint.x(), pagePoint.y());
switch( cursorType )
{
case 1: // top left
canvas->setCursor( sizeFDiagCursor );
return;
case 2: // top
canvas->setCursor( sizeVerCursor );
return;
case 3: // top right
canvas->setCursor( sizeBDiagCursor );
return;
case 4: // right
canvas->setCursor( sizeHorCursor );
return;
case 5: // bottom right
canvas->setCursor( sizeFDiagCursor );
return;
case 6: // bottom
canvas->setCursor( sizeVerCursor );
return;
case 7: // bottom left
canvas->setCursor( sizeBDiagCursor );
return;
case 8: // left
canvas->setCursor( sizeHorCursor );
return;
default:
if( pStencil->checkForCollision( &pagePoint, threshold )!= kctNone )
{
canvas->setCursor( sizeAllCursor );
return;
}
break;
}
pStencil = canvas->activePage()->selectedStencils()->next();
}
canvas->unsetCursor();
}
/**
* Tests a box for a point. Used only by isOverResizeHandle().
*/
#define RESIZE_BOX_TEST( x, y, bx, by ) \
x >= bx-three_pixels && \
x <= bx+three_pixels && \
y >= by-three_pixels && \
y <= by+three_pixels
/**
* Tests if a point is over a stencils
*/
int SelectTool::isOverResizeHandle( KivioStencil *pStencil, const double x, const double y )
{
double three_pixels = 4.0;
int available;
TQWMatrix m;
double w = pStencil->w();
double h = pStencil->h();
double w2 = pStencil->w() / 2.0;
double h2 = pStencil->h() / 2.0;
m.translate(pStencil->x(), pStencil->y());
m.translate(w2, h2);
m.rotate(pStencil->rotation());
m.translate(-w2, -h2);
// FIXME: this needs to be optimized!!!!
KoPoint tl(0 * m.m11() + 0 * m.m21() + m.dx(), 0 * m.m12() + 0 * m.m22() + m.dy());
KoPoint t(w2 * m.m11() + 0 * m.m21() + m.dx(), w2 * m.m12() + 0 * m.m22() + m.dy());
KoPoint tr(w * m.m11() + 0 * m.m21() + m.dx(), w * m.m12() + 0 * m.m22() + m.dy());
KoPoint r(w * m.m11() + h2 * m.m21() + m.dx(), w * m.m12() + h2 * m.m22() + m.dy());
KoPoint br(w * m.m11() + h * m.m21() + m.dx(), w * m.m12() + h * m.m22() + m.dy());
KoPoint b(w2 * m.m11() + h * m.m21() + m.dx(), w2 * m.m12() + h * m.m22() + m.dy());
KoPoint bl(0 * m.m11() + h * m.m21() + m.dx(), 0 * m.m12() + h * m.m22() + m.dy());
KoPoint l(0 * m.m11() + h2 * m.m21() + m.dx(), 0 * m.m12() + h2 * m.m22() + m.dy());
available = pStencil->resizeHandlePositions();
// Quick reject
if( !available )
return 0;
// Top left
if( available & krhpNW &&
RESIZE_BOX_TEST( x, y, tl.x(), tl.y() ) )
return 1;
// Top
if( available & krhpN &&
RESIZE_BOX_TEST( x, y, t.x(), t.y() ) )
return 2;
// Top right
if( available & krhpNE &&
RESIZE_BOX_TEST( x, y, tr.x(), tr.y() ) )
return 3;
// Right
if( available & krhpE &&
RESIZE_BOX_TEST( x, y, r.x(), r.y() ) )
return 4;
// Bottom right
if( available & krhpSE &&
RESIZE_BOX_TEST( x, y, br.x(), br.y() ) )
return 5;
// Bottom
if( available & krhpS &&
RESIZE_BOX_TEST( x, y, b.x(), b.y() ) )
return 6;
// Bottom left
if( available & krhpSW &&
RESIZE_BOX_TEST( x, y, bl.x(), bl.y() ) )
return 7;
// Left
if( available & krhpW &&
RESIZE_BOX_TEST( x, y, l.x(), l.y() ) )
return 8;
// Nothing found
return 0;
}
void SelectTool::mouseRelease(const TQPoint &pos)
{
m_releasePoint = pos;
switch( m_mode )
{
case stmDrawRubber:
endRubberBanding(pos);
break;
case stmCustomDragging:
endCustomDragging(pos);
break;
case stmDragging:
endDragging(pos);
break;
case stmResizing:
endResizing(pos);
break;
}
m_mode = stmNone;
view()->canvasWidget()->guideLines().repaintAfterSnapping();
view()->doc()->updateView(view()->activePage());
}
void SelectTool::endRubberBanding(const TQPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
// End the rubber-band drawing
canvas->endRectDraw();
KoPoint p = canvas->mapFromScreen(pos);
// We can't select if the start and end points are the same
if( m_origPoint.x() != p.x() && m_origPoint.y() != p.y() )
{
select(canvas->rect());
}
view()->updateToolBars();
}
void SelectTool::endDragging(const TQPoint&)
{
KivioCanvas* canvas = view()->canvasWidget();
canvas->activePage()->setPaintSelected(true);
KMacroCommand *macro=new KMacroCommand( i18n("Move Stencil"));
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
KivioSelectDragData *pData = m_lstOldGeometry.first();
bool moved = false;
while( pStencil && pData )
{
if((pData->rect.x() != pStencil->rect().x()) || (pData->rect.y() != pStencil->rect().y())) {
KivioMoveStencilCommand * cmd = new KivioMoveStencilCommand( i18n("Move Stencil"),
pStencil, pData->rect, pStencil->rect(), canvas->activePage());
macro->addCommand( cmd);
if(pStencil->type() == kstConnector) {
pStencil->searchForConnections(view()->activePage(), view()->zoomHandler()->unzoomItY(4));
}
moved = true;
}
pData = m_lstOldGeometry.next();
pStencil = canvas->activePage()->selectedStencils()->next();
}
if(moved) {
canvas->doc()->addCommand( macro );
} else {
delete macro;
}
canvas->drawSelectedStencilsXOR();
canvas->endUnclippedSpawnerPainter();
// Clear the list of old geometry
m_lstOldGeometry.clear();
}
void SelectTool::endCustomDragging(const TQPoint&)
{
KivioCanvas* canvas = view()->canvasWidget();
m_pCustomDraggingStencil->setHidden(false);
KivioCustomDragCommand* cmd = new KivioCustomDragCommand(i18n("Move Connector Point"), view()->activePage(),
m_pCustomDraggingStencil, m_customDragID, m_customDragOrigPoint,
m_pCustomDraggingStencil->customIDPoint(m_customDragID));
view()->doc()->addCommand(cmd);
m_customDragID = 0;
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
if(pStencil->type() == kstConnector) {
pStencil->searchForConnections(view()->activePage(), view()->zoomHandler()->unzoomItY(4));
}
pStencil = canvas->activePage()->selectedStencils()->next();
}
canvas->endUnclippedSpawnerPainter();
canvas->setShowConnectorTargets(false);
canvas->repaint();
}
void SelectTool::endResizing(const TQPoint&)
{
KivioCanvas* canvas = view()->canvasWidget();
m_pResizingStencil->setHidden(false);
KivioResizeStencilCommand * cmd = new KivioResizeStencilCommand( i18n("Resize Stencil"),
m_pResizingStencil, m_lstOldGeometry.first()->rect, m_pResizingStencil->rect(), view()->activePage());
canvas->doc()->addCommand( cmd );
// Undraw the last outline
canvas->drawStencilXOR( m_pResizingStencil );
if(m_pResizingStencil->type() == kstConnector) {
m_pResizingStencil->searchForConnections(view()->activePage(), view()->zoomHandler()->unzoomItY(4));
}
// Deallocate the painter object
canvas->endUnclippedSpawnerPainter();
// Set the class vars to nothing
m_pResizingStencil = NULL;
m_resizeHandle = 0;
}
/**
* Shows the popupmenu at a given point.
*/
void SelectTool::showPopupMenu( const TQPoint &pos )
{
TDEPopupMenu* menu = 0;
if(view()->activePage()->selectedStencils()->count() < 1) {
menu = static_cast<TDEPopupMenu*>(view()->factory()->container("PagePopup", view()));
} else {
menu = static_cast<TDEPopupMenu*>(view()->factory()->container("StencilPopup", view()));
m_arrowHeadAction->setEnabled(view()->activePage()->checkForStencilTypeInSelection(kstConnector));
if(view()->activePage()->checkForTextBoxesInSelection()) {
m_textEditAction->setEnabled(true);
} else {
m_textEditAction->setEnabled(false);
}
}
if(menu) {
m_lastPoint = view()->canvasWidget()->mapFromScreen(pos);
menu->popup(pos);
} else {
kdDebug(43000) << "What no popup! *ARGH*!" << endl;
}
}
/**
* Handles what happens when a left-button double click occurs.
*
* If there are no stencils selected, this function returns. Otherwise
* it launches the text tool on the selected stencils and switches back
* to this tool when it's done.
*/
void SelectTool::leftDoubleClick(const TQPoint& pos)
{
if( view()->activePage()->selectedStencils()->count() <= 0 )
return;
KoPoint pagePoint = view()->canvasWidget()->mapFromScreen(pos);
// Figure out how big 4 pixels is in terms of points
double threshold = view()->zoomHandler()->unzoomItY(4);
int colType;
KivioPage *page = view()->activePage();
KivioStencil* stencil = page->checkForStencil( &pagePoint, &colType, threshold, false);
if(stencil) {
// Locate the text tool. If not found, bail with an error
Kivio::Plugin *p = view()->pluginManager()->findPlugin("Text Mouse Tool");
if( !p )
{
kdDebug(43000) << "SelectTool::leftDoubleClick() - unable to locate Text Tool" << endl;
return;
}
static_cast<Kivio::MouseTool*>(p)->applyToolAction(stencil, pagePoint);
}
}
void SelectTool::editText(TQPtrList<KivioStencil>* stencils)
{
// Locate the text tool. If not found, bail with an error
Kivio::Plugin *p = view()->pluginManager()->findPlugin("Text Mouse Tool");
if( !p )
{
kdDebug(43000) << "SelectTool::leftDoubleClick() - unable to locate Text Tool" << endl;
return;
}
// Select the text tool (which makes the text dialog pop up)
static_cast<Kivio::MouseTool*>(p)->applyToolAction(stencils);
}
void SelectTool::showProperties()
{
//FIXME: This needs to be implemented ;)
if(view()->activePage()->selectedStencils()->count() == 0) {
view()->paperLayoutDlg();
}
}
void SelectTool::editStencilText()
{
editText(view()->activePage()->selectedStencils());
}
void SelectTool::keyPress(TQKeyEvent* e)
{
KivioCanvas* canvas = view()->canvasWidget();
canvas->setEnabled(false);
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
// Build the list of old geometry
KivioSelectDragData *pData;
m_lstOldGeometry.clear();
KivioStencil* pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
pData = new KivioSelectDragData;
pData->rect = pStencil->rect();
m_lstOldGeometry.append(pData);
pStencil = canvas->activePage()->selectedStencils()->next();
}
m_selectedRect = view()->activePage()->getRectForAllSelectedStencils();
// Set the mode
m_mode = stmDragging;
canvas->setEnabled(true);
m_origPoint = m_selectedRect.topLeft();
KivioGridData gd = view()->doc()->grid();
bool ignoreGridGuides = e->state() & ShiftButton;
double distX, distY;
if(ignoreGridGuides || !view()->doc()->grid().isSnap) {
distX = view()->zoomHandler()->unzoomItX(1);
distY = view()->zoomHandler()->unzoomItY(1);
} else {
distX = gd.freq.width();
distY = gd.freq.height();
}
switch(e->key()) {
case Key_Left:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x() - distX,
m_selectedRect.y())), ignoreGridGuides);
break;
case Key_Up:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x(),
m_selectedRect.y() - distY)), ignoreGridGuides);
break;
case Key_Right:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x() + distX,
m_selectedRect.y())), ignoreGridGuides);
break;
case Key_Down:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x(),
m_selectedRect.y() + distY)), ignoreGridGuides);
break;
default:
break;
}
endDragging(TQPoint());
canvas->guideLines().repaintAfterSnapping();
canvas->setFocus();
}
#include "tool_select.moc"
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