private void MdiChild_MouseUp(object sender, MouseEventArgs e)
{
MainForm parent = GetParent();
if(e.Button == MouseButtons.Left) {
if(isDrawing) {
bufferedGraphics.Render();
if(currentFigure.IsInside(imageSize)) {
if (currentFigure is Text)
{
MyTextBox textBox = new MyTextBox ( currentFigure as Text, this , MdiParent as MainForm);
textBox.Show(AutoScrollPosition.X, AutoScrollPosition.Y);
}
if(parent.GridAutoDrag){
currentFigure.DragToGrid ( parent.GridStep, imageSize );
}
listFigures.Add(currentFigure);
}
isModified = true;
}
if (isSelecting){
int X = e.X - AutoScrollPosition.X;
int Y = e.Y - AutoScrollPosition.Y;
if (X == clickPoint.X && Y == clickPoint.Y){
bool select = false;
foreach (Figure figure in listFigures){
if(figure.Contains ( clickPoint )){
select = true;
figure.Selected = true;
}
}
if(!select)
UnselectAllFigures();
}
}
if(isMoving){
int X = e.X - AutoScrollPosition.X;
int Y = e.Y - AutoScrollPosition.Y;
int shiftX = X - clickPoint.X;
int shiftY = Y - clickPoint.Y;
bool fits = true;
foreach(Figure figure in movingFigures){
if (! figure.IsInside ( imageSize, shiftX, shiftY )){
fits = false;
break;
}
}
if(fits){
foreach(Figure figure in movingFigures) {
figure.Move ( shiftX, shiftY );
if(parent.GridAutoDrag) {
figure.DragToGrid(parent.GridStep, imageSize);
}
}
isModified = true;
}
}
if(isEditedResizing){
int X = e.X - AutoScrollPosition.X;
int Y = e.Y - AutoScrollPosition.Y;
int shiftX = X - clickPoint.X;
int shiftY = Y - clickPoint.Y;
editedFigure.Resize (shiftX, shiftY, resizingType, imageSize );
isModified = true;
if(parent.GridAutoDrag)
editedFigure.DragToGrid ( parent.GridStep, imageSize );
}
currentFigure = null;
movingFigures.Clear();
isDrawing = false;
isSelecting = false;
isMoving = false;
isEditedResizing = false;
Invalidate();
}
}
private void MdiChild_MouseDoubleClick(object sender, MouseEventArgs e)
{
MainForm parent = GetParent();
if(parent.SelectMode){
UnselectAllFigures();
foreach (Figure figure in listFigures){
if ( figure.Contains ( clickPoint ) ){
figure.Edited = true;
editedFigure = figure;
isEditing = true;
break;
}
}
if(editedFigure != null && editedFigure is Text) {
MyTextBox textBox = new MyTextBox(editedFigure as Text, this, MdiParent as MainForm);
textBox.Show(AutoScrollPosition.X, AutoScrollPosition.Y);
}
}
}
// events' handlers
private void MdiChild_MouseDown(object sender, MouseEventArgs e)
{
clickPoint = new Point(e.X - AutoScrollPosition.X, e.Y - AutoScrollPosition.Y);
if(e.Button == MouseButtons.Left){
MainForm par = (MainForm) MdiParent;
if(isEditing && editedFigure!= null && editedFigure.Contains(clickPoint)) {
if((resizingType = editedFigure.MarkersContain(clickPoint)) != Marker.NONE)
isEditedResizing = true;
else{
isMoving = true;
movingFigures.Add ( editedFigure );
}
}
else{
if ( editedFigure != null ){
editedFigure.Edited = false;
editedFigure = null;
}
isEditing = isEditedResizing = false;
if ( !par.SelectMode ){
isDrawing = true;
int X = clickPoint.X;
int Y = clickPoint.Y;
switch (par.currentFigure){
case Figures.Rectangle:
currentFigure = new Rect ( new Point ( X, Y ), new Point ( X, Y ), par.ColorLine, par.ColorBackground,
par.PenWidth, par.Fill );
break;
case Figures.Ellipse:
currentFigure = new Ellipse ( new Point ( X, Y ), new Point ( X, Y ), par.ColorLine, par.ColorBackground,
par.PenWidth, par.Fill );
break;
case Figures.Line:
currentFigure = new Line ( new Point ( X, Y ), new Point ( X, Y ), par.ColorLine, par.ColorBackground,
par.PenWidth, par.Fill );
break;
case Figures.Curve:
currentFigure = new Curve ( new Point ( X, Y ), new Point ( X, Y ), par.ColorLine, par.ColorBackground,
par.PenWidth, par.Fill );
break;
case Figures.Text:
currentFigure = new Text ( new Point ( X, Y ), new Point ( X, Y ), par.ColorLine, par.ColorBackground,
par.PenWidth, par.Fill, par.Font );
break;
}
}
else{
bool select = false;
bool hit = false;
foreach (Figure figure in listFigures){
if ( figure.Contains ( clickPoint ) ){
hit = true;
if ( !figure.Selected ){
select = true;
}
}
}
if ( !hit || select ){
isSelecting = true;
}
if ( hit && !select ){
isMoving = true;
// add figures to moving set
foreach (Figure figure in listFigures){
if ( figure.Selected ){
movingFigures.Add ( figure );
}
}
}
}
}
}
else if(e.Button == MouseButtons.Middle) {
currentFigure = null;
listFigures.Clear();
isDrawing = false;
}
Invalidate();
}
public void UnselectAllFigures()
{
foreach(Figure figure in listFigures){
figure.Selected = false;
}
if(editedFigure != null) {
editedFigure.Edited = false;
editedFigure = null;
}
isEditing = false;
}