wxWidgets/contrib/samples/ogl/studio/view.cpp
2005-09-23 12:56:45 +00:00

1039 lines
31 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: view.cpp
// Purpose: Implements view functionality
// Author: Julian Smart
// Modified by:
// Created: 12/07/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence:
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
#include <wx/colordlg.h>
#if !wxUSE_DOC_VIEW_ARCHITECTURE
#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
#endif
#include "studio.h"
#include "doc.h"
#include "view.h"
#include "cspalette.h"
#include "symbols.h"
#include "dialogs.h"
#include <wx/ogl/basicp.h>
#include <wx/ogl/linesp.h>
IMPLEMENT_DYNAMIC_CLASS(csDiagramView, wxView)
BEGIN_EVENT_TABLE(csDiagramView, wxView)
EVT_MENU(wxID_CUT, csDiagramView::OnCut)
EVT_MENU(wxID_COPY, csDiagramView::OnCopy)
EVT_MENU(wxID_CLEAR, csDiagramView::OnClear)
EVT_MENU(wxID_PASTE, csDiagramView::OnPaste)
EVT_MENU(wxID_DUPLICATE, csDiagramView::OnDuplicate)
EVT_MENU(ID_CS_CHANGE_BACKGROUND_COLOUR, csDiagramView::OnChangeBackgroundColour)
EVT_MENU(ID_CS_EDIT_PROPERTIES, csDiagramView::OnEditProperties)
EVT_MENU(ID_CS_SELECT_ALL, csDiagramView::OnSelectAll)
EVT_TOOL(DIAGRAM_TOOLBAR_LINE_ARROW, csDiagramView::OnToggleArrowTool)
EVT_COMBOBOX(ID_WINDOW_POINT_SIZE_COMBOBOX, csDiagramView::OnPointSizeComboSel)
EVT_COMBOBOX(ID_WINDOW_ZOOM_COMBOBOX, csDiagramView::OnZoomSel)
EVT_TEXT(ID_WINDOW_POINT_SIZE_COMBOBOX, csDiagramView::OnPointSizeComboText)
EVT_TOOL(DIAGRAM_TOOLBAR_ALIGNL, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_ALIGNR, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_ALIGNB, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_ALIGNT, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_ALIGN_HORIZ, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_ALIGN_VERT, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_COPY_SIZE, csDiagramView::OnAlign)
EVT_TOOL(DIAGRAM_TOOLBAR_NEW_POINT, csDiagramView::OnNewLinePoint)
EVT_TOOL(DIAGRAM_TOOLBAR_CUT_POINT, csDiagramView::OnCutLinePoint)
EVT_TOOL(DIAGRAM_TOOLBAR_STRAIGHTEN, csDiagramView::OnStraightenLines)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_ALIGNL, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_ALIGNR, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_ALIGNB, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_ALIGNT, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_ALIGN_HORIZ, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_ALIGN_VERT, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_COPY_SIZE, csDiagramView::OnAlignUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_NEW_POINT, csDiagramView::OnNewLinePointUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_CUT_POINT, csDiagramView::OnCutLinePointUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_STRAIGHTEN, csDiagramView::OnStraightenLinesUpdate)
EVT_UPDATE_UI(DIAGRAM_TOOLBAR_LINE_ARROW, csDiagramView::OnToggleArrowToolUpdate)
EVT_UPDATE_UI(wxID_CUT, csDiagramView::OnCutUpdate)
EVT_UPDATE_UI(wxID_COPY, csDiagramView::OnCopyUpdate)
EVT_UPDATE_UI(wxID_CLEAR, csDiagramView::OnClearUpdate)
EVT_UPDATE_UI(wxID_PASTE, csDiagramView::OnPasteUpdate)
EVT_UPDATE_UI(wxID_DUPLICATE, csDiagramView::OnDuplicateUpdate)
EVT_UPDATE_UI(ID_CS_EDIT_PROPERTIES, csDiagramView::OnEditPropertiesUpdate)
EVT_UPDATE_UI(wxID_UNDO, csDiagramView::OnUndoUpdate)
EVT_UPDATE_UI(wxID_REDO, csDiagramView::OnRedoUpdate)
END_EVENT_TABLE()
// What to do when a view is created. Creates actual
// windows for displaying the view.
bool csDiagramView::OnCreate(wxDocument *doc, long WXUNUSED(flags))
{
wxMenu* editMenu;
frame = wxGetApp().CreateChildFrame(doc, this, &editMenu);
canvas = wxGetApp().CreateCanvas(this, frame);
canvas->SetView(this);
SetFrame(frame);
Activate(true);
// Initialize the edit menu Undo and Redo items
doc->GetCommandProcessor()->SetEditMenu(editMenu);
doc->GetCommandProcessor()->Initialize();
wxShapeCanvas *shapeCanvas = (wxShapeCanvas *)canvas;
csDiagramDocument *diagramDoc = (csDiagramDocument *)doc;
shapeCanvas->SetDiagram(diagramDoc->GetDiagram());
diagramDoc->GetDiagram()->SetCanvas(shapeCanvas);
diagramDoc->GetDiagram()->SetGridSpacing((double) wxGetApp().GetGridSpacing());
switch (wxGetApp().GetGridStyle())
{
case csGRID_STYLE_NONE:
{
diagramDoc->GetDiagram()->SetSnapToGrid(false);
break;
}
case csGRID_STYLE_INVISIBLE:
{
diagramDoc->GetDiagram()->SetSnapToGrid(true);
break;
}
case csGRID_STYLE_DOTTED:
{
// TODO (not implemented in OGL)
break;
}
}
return true;
}
csDiagramView::~csDiagramView(void)
{
if (frame)
{
((wxDocMDIChildFrame*)frame)->SetView(NULL);
}
}
// Sneakily gets used for default print/preview
// as well as drawing on the screen.
void csDiagramView::OnDraw(wxDC *WXUNUSED(dc))
{
}
void csDiagramView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
{
if (canvas)
canvas->Refresh();
}
// Clean up windows used for displaying the view.
bool csDiagramView::OnClose(bool deleteWindow)
{
if (!GetDocument()->Close())
return false;
csDiagramDocument *diagramDoc = (csDiagramDocument *)GetDocument();
diagramDoc->GetDiagram()->SetCanvas(NULL);
canvas->ClearBackground();
canvas->SetDiagram(NULL);
canvas->SetView(NULL);
canvas = NULL;
wxMenu* fileMenu = frame->GetMenuBar()->GetMenu(0);
// Remove file menu from those managed by the command history
wxGetApp().GetDocManager()->FileHistoryRemoveMenu(fileMenu);
Activate(false);
frame->Show(false);
if (deleteWindow)
{
frame->Destroy();
}
return true;
}
// Adds or removes shape from m_selections
void csDiagramView::SelectShape(wxShape* shape, bool select)
{
if (select && !m_selections.Member(shape))
m_selections.Append(shape);
else if (!select)
m_selections.DeleteObject(shape);
}
void csDiagramView::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
SelectAll(true);
}
wxShape *csDiagramView::FindFirstSelectedShape(void)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
wxObjectList::compatibility_iterator node = doc->GetDiagram()->GetShapeList()->GetFirst();
while (node)
{
wxShape *eachShape = (wxShape *)node->GetData();
if ((eachShape->GetParent() == NULL) && !eachShape->IsKindOf(CLASSINFO(wxLabelShape)) && eachShape->Selected())
{
return eachShape;
}
else node = node->GetNext();
}
return NULL;
}
void csDiagramView::FindSelectedShapes(wxList& selections, wxClassInfo* toFind)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
wxObjectList::compatibility_iterator node = doc->GetDiagram()->GetShapeList()->GetFirst();
while (node)
{
wxShape *eachShape = (wxShape *)node->GetData();
if ((eachShape->GetParent() == NULL) && !eachShape->IsKindOf(CLASSINFO(wxLabelShape)) && eachShape->Selected() && ((toFind == NULL) || (eachShape->IsKindOf(toFind))))
{
selections.Append(eachShape);
}
node = node->GetNext();
}
}
void csDiagramView::OnUndoUpdate(wxUpdateUIEvent& event)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
event.Enable(doc->GetCommandProcessor()->CanUndo());
}
void csDiagramView::OnRedoUpdate(wxUpdateUIEvent& event)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
event.Enable(doc->GetCommandProcessor()->CanRedo());
}
void csDiagramView::OnCut(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
// Copy the shapes to the clipboard
wxGetApp().GetDiagramClipboard().Copy(doc->GetDiagram());
wxList selections;
FindSelectedShapes(selections);
DoCut(selections);
}
void csDiagramView::OnClear(wxCommandEvent& WXUNUSED(event))
{
wxList selections;
FindSelectedShapes(selections);
DoCut(selections);
}
void csDiagramView::OnCopy(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
// Copy the shapes to the clipboard
if (wxGetApp().GetDiagramClipboard().Copy(doc->GetDiagram()))
{
#ifdef __WXMSW__
// Copy to the Windows clipboard
wxGetApp().GetDiagramClipboard().CopyToClipboard(1.0);
#endif
}
}
void csDiagramView::OnPaste(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
wxGetApp().GetDiagramClipboard().Paste(doc->GetDiagram());
}
void csDiagramView::OnDuplicate(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
// Do a copy, then a paste
wxGetApp().GetDiagramClipboard().Copy(doc->GetDiagram());
// Apply an offset. Really, this offset should keep being incremented,
// but where do we reset it again?
wxGetApp().GetDiagramClipboard().Paste(doc->GetDiagram(), NULL, 20, 20);
}
void csDiagramView::OnCutUpdate(wxUpdateUIEvent& event)
{
event.Enable( (m_selections.GetCount() > 0) );
}
void csDiagramView::OnClearUpdate(wxUpdateUIEvent& event)
{
event.Enable( (m_selections.GetCount() > 0) );
}
void csDiagramView::OnCopyUpdate(wxUpdateUIEvent& event)
{
event.Enable( (m_selections.GetCount() > 0) );
}
void csDiagramView::OnPasteUpdate(wxUpdateUIEvent& event)
{
int n = wxGetApp().GetDiagramClipboard().GetCount();
event.Enable( (n > 0) );
}
void csDiagramView::OnDuplicateUpdate(wxUpdateUIEvent& event)
{
event.Enable( (m_selections.GetCount() > 0) );
}
void csDiagramView::DoCut(wxList& shapes)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
if (shapes.GetCount() > 0)
{
csDiagramCommand* cmd = new csDiagramCommand(_T("Cut"), doc);
wxObjectList::compatibility_iterator node = shapes.GetFirst();
while (node)
{
wxShape *theShape = (wxShape*) node->GetData();
csCommandState* state = new csCommandState(ID_CS_CUT, NULL, theShape);
// Insert lines at the front, so they are cut first.
// Otherwise we may try to remove a shape with a line still
// attached.
if (theShape->IsKindOf(CLASSINFO(wxLineShape)))
cmd->InsertState(state);
else
cmd->AddState(state);
node = node->GetNext();
}
cmd->RemoveLines(); // Schedule any connected lines, not already mentioned,
// to be removed first
doc->GetCommandProcessor()->Submit(cmd);
}
}
// Generalised command
void csDiagramView::DoCmd(wxList& shapes, wxList& oldShapes, int cmd, const wxString& op)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
if (shapes.GetCount() > 0)
{
csDiagramCommand* command = new csDiagramCommand(op, doc);
wxObjectList::compatibility_iterator node = shapes.GetFirst();
wxObjectList::compatibility_iterator node1 = oldShapes.GetFirst();
while (node && node1)
{
wxShape *theShape = (wxShape*) node->GetData();
wxShape *oldShape = (wxShape*) node1->GetData();
csCommandState* state = new csCommandState(cmd, theShape, oldShape);
command->AddState(state);
node = node->GetNext();
node1 = node1->GetNext();
}
doc->GetCommandProcessor()->Submit(command);
}
}
void csDiagramView::OnChangeBackgroundColour(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
wxList selections;
FindSelectedShapes(selections);
if (selections.GetCount() > 0)
{
wxColourData data;
data.SetChooseFull(true);
if (selections.GetCount() == 1)
{
wxShape* firstShape = (wxShape*) selections.GetFirst()->GetData();
data.SetColour(firstShape->GetBrush()->GetColour());
}
wxColourDialog *dialog = new wxColourDialog(frame, &data);
wxBrush *theBrush = NULL;
if (dialog->ShowModal() == wxID_OK)
{
wxColourData retData = dialog->GetColourData();
wxColour col = retData.GetColour();
theBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
}
dialog->Close(true);
if (!theBrush)
return;
csDiagramCommand* cmd = new csDiagramCommand(_T("Change colour"), doc);
wxObjectList::compatibility_iterator node = selections.GetFirst();
while (node)
{
wxShape *theShape = (wxShape*) node->GetData();
wxShape* newShape = theShape->CreateNewCopy();
newShape->SetBrush(theBrush);
csCommandState* state = new csCommandState(ID_CS_CHANGE_BACKGROUND_COLOUR, newShape, theShape);
cmd->AddState(state);
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
}
void csDiagramView::OnEditProperties(wxCommandEvent& WXUNUSED(event))
{
wxShape *theShape = FindFirstSelectedShape();
if (theShape)
((csEvtHandler *)theShape->GetEventHandler())->EditProperties();
}
void csDiagramView::OnEditPropertiesUpdate(wxUpdateUIEvent& event)
{
wxList selections;
FindSelectedShapes(selections);
event.Enable( (selections.GetCount() > 0) );
}
void csDiagramView::OnPointSizeComboSel(wxCommandEvent& event)
{
wxComboBox* combo = (wxComboBox*) event.GetEventObject();
wxASSERT( combo != NULL );
int newPointSize = (combo->GetSelection() + 1);
ApplyPointSize(newPointSize);
}
// TODO: must find out how to intercept the Return key, rather than
// every key stroke. But for now, do every key stroke.
void csDiagramView::OnPointSizeComboText(wxCommandEvent& event)
{
wxComboBox* combo = (wxComboBox*) event.GetEventObject();
wxASSERT( combo != NULL );
wxString str(combo->GetValue());
long newPointSize;
str.ToLong( &newPointSize );
if (newPointSize < 2)
return;
ApplyPointSize(newPointSize);
}
void csDiagramView::ApplyPointSize(int pointSize)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
wxList selections;
FindSelectedShapes(selections);
if (selections.GetCount() > 0)
{
csDiagramCommand* cmd = new csDiagramCommand(_T("Point size"), doc);
wxObjectList::compatibility_iterator node = selections.GetFirst();
while (node)
{
wxShape *theShape = (wxShape*) node->GetData();
wxShape *newShape = theShape->CreateNewCopy();
wxFont* newFont = wxTheFontList->FindOrCreateFont(pointSize,
theShape->GetFont()->GetFamily(),
theShape->GetFont()->GetStyle(),
theShape->GetFont()->GetWeight(),
theShape->GetFont()->GetUnderlined(),
theShape->GetFont()->GetFaceName());
newShape->SetFont(newFont);
csCommandState* state = new csCommandState(ID_CS_FONT_CHANGE, newShape, theShape);
cmd->AddState(state);
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
}
void csDiagramView::OnZoomSel(wxCommandEvent& event)
{
int maxZoom = 200;
int minZoom = 5;
int inc = 5;
int noStrings = (maxZoom - minZoom)/inc ;
wxComboBox* combo = (wxComboBox*) event.GetEventObject();
wxASSERT( combo != NULL );
int scale = (int) ((noStrings - combo->GetSelection() - 1)*inc + minZoom);
canvas->SetScale((double) (scale/100.0), (double) (scale/100.0));
canvas->Refresh();
}
// Select or deselect all
void csDiagramView::SelectAll(bool select)
{
wxClientDC dc(canvas);
canvas->PrepareDC(dc);
if (!select)
{
wxList selections;
FindSelectedShapes(selections);
wxObjectList::compatibility_iterator node = selections.GetFirst();
while (node)
{
wxShape *theShape = (wxShape*) node->GetData();
theShape->Select(false, &dc);
SelectShape(theShape, false);
node = node->GetNext();
}
}
else
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
wxObjectList::compatibility_iterator node = doc->GetDiagram()->GetShapeList()->GetFirst();
while (node)
{
wxShape *eachShape = (wxShape *)node->GetData();
if (eachShape->GetParent() == NULL &&
!eachShape->IsKindOf(CLASSINFO(wxControlPoint)) &&
!eachShape->IsKindOf(CLASSINFO(wxLabelShape)))
{
eachShape->Select(true, &dc);
SelectShape(eachShape, true);
}
node = node->GetNext();
}
}
}
void csDiagramView::OnToggleArrowTool(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
bool state = wxGetApp().GetDiagramToolBar()->GetToolState(DIAGRAM_TOOLBAR_LINE_ARROW);
wxString stateName;
if (state)
stateName = _T("Arrow on");
else
stateName = _T("Arrow off");
wxList selections;
FindSelectedShapes(selections, CLASSINFO(wxLineShape));
if (selections.GetCount() > 0)
{
csDiagramCommand* cmd = new csDiagramCommand(stateName, doc);
wxObjectList::compatibility_iterator node = selections.GetFirst();
while (node)
{
wxLineShape *theShape = (wxLineShape*) node->GetData();
wxLineShape *newShape = NULL;
if (state)
{
// Add arrow
if (theShape->GetArrows().GetCount() == 0)
{
newShape = (wxLineShape*) theShape->CreateNewCopy();
newShape->AddArrow(ARROW_ARROW, ARROW_POSITION_MIDDLE, 10.0, 0.0, _T("Normal arrowhead"));
}
}
else
{
if (theShape->GetArrows().GetCount() > 0)
{
newShape = (wxLineShape*) theShape->CreateNewCopy();
newShape->ClearArrowsAtPosition();
}
}
// If the new state is the same as the old, don't bother adding it to the command state.
if (newShape)
{
csCommandState* state = new csCommandState(ID_CS_ARROW_CHANGE, newShape, theShape);
cmd->AddState(state);
}
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
}
void csDiagramView::OnToggleArrowToolUpdate(wxUpdateUIEvent& event)
{
wxList selections;
FindSelectedShapes(selections, CLASSINFO(wxLineShape));
event.Enable( (selections.GetCount() > 0) );
}
// Make the point size combobox reflect this
void csDiagramView::ReflectPointSize(int pointSize)
{
wxComboBox* comboBox = wxGetApp().GetPointSizeComboBox();
comboBox->SetSelection(pointSize -1);
}
// Make the arrow toggle button reflect the state of the line
void csDiagramView::ReflectArrowState(wxLineShape* lineShape)
{
bool haveArrow = false;
wxObjectList::compatibility_iterator node = lineShape->GetArrows().GetFirst();
while (node)
{
wxArrowHead *arrow = (wxArrowHead *)node->GetData();
if (ARROW_POSITION_MIDDLE == arrow->GetArrowEnd())
haveArrow = true;
node = node->GetNext();
}
wxGetApp().GetDiagramToolBar()->ToggleTool(DIAGRAM_TOOLBAR_LINE_ARROW, haveArrow);
}
void csDiagramView::OnAlign(wxCommandEvent& event)
{
// Make a copy of the selections, keeping only those shapes
// that are top-level non-line shapes.
wxList selections;
wxObjectList::compatibility_iterator node = GetSelectionList().GetFirst();
while (node)
{
wxShape* shape = (wxShape*) node->GetData();
if ((shape->GetParent() == NULL) && (!shape->IsKindOf(CLASSINFO(wxLineShape))))
{
selections.Append(shape);
}
node = node->GetNext();
}
if (selections.GetCount() == 0)
return;
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
csDiagramCommand* cmd = new csDiagramCommand(_T("Align"), doc);
node = selections.GetFirst();
wxShape* firstShape = (wxShape*) node->GetData();
double x = firstShape->GetX();
double y = firstShape->GetY();
double width, height;
firstShape->GetBoundingBoxMax(&width, &height);
node = selections.GetFirst();
while (node)
{
wxShape* shape = (wxShape*) node->GetData();
if (shape != firstShape)
{
/* double x1 = */ shape->GetX();
/* double y1 = */ shape->GetY();
double width1, height1;
shape->GetBoundingBoxMax(& width1, & height1);
wxShape* newShape = shape->CreateNewCopy();
switch (event.GetId())
{
case DIAGRAM_TOOLBAR_ALIGNL:
{
double x2 = (double)(x - (width/2.0) + (width1/2.0));
newShape->SetX(x2);
break;
}
case DIAGRAM_TOOLBAR_ALIGNR:
{
double x2 = (double)(x + (width/2.0) - (width1/2.0));
newShape->SetX(x2);
break;
}
case DIAGRAM_TOOLBAR_ALIGNB:
{
double y2 = (double)(y + (height/2.0) - (height1/2.0));
newShape->SetY(y2);
break;
}
case DIAGRAM_TOOLBAR_ALIGNT:
{
double y2 = (double)(y - (height/2.0) + (height1/2.0));
newShape->SetY(y2);
break;
}
case DIAGRAM_TOOLBAR_ALIGN_HORIZ:
{
newShape->SetX(x);
break;
}
case DIAGRAM_TOOLBAR_ALIGN_VERT:
{
newShape->SetY(y);
break;
}
case DIAGRAM_TOOLBAR_COPY_SIZE:
{
newShape->SetSize(width, height);
break;
}
}
csCommandState* state = new csCommandState(ID_CS_ALIGN, newShape, shape);
cmd->AddState(state);
}
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
void csDiagramView::OnAlignUpdate(wxUpdateUIEvent& event)
{
// This is an approximation, since there may be lines
// amongst the selections.
event.Enable( (m_selections.GetCount() > 1) ) ;
}
void csDiagramView::OnNewLinePoint(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
csDiagramCommand* cmd = new csDiagramCommand(_T("New line point"), doc);
wxObjectList::compatibility_iterator node = m_selections.GetFirst();
while (node)
{
wxShape* shape = (wxShape*) node->GetData();
if (shape->IsKindOf(CLASSINFO(wxLineShape)))
{
wxShape* newShape = shape->CreateNewCopy();
((wxLineShape*)newShape)->InsertLineControlPoint(NULL);
csCommandState* state = new csCommandState(ID_CS_NEW_POINT, newShape, shape);
cmd->AddState(state);
}
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
void csDiagramView::OnCutLinePoint(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
csDiagramCommand* cmd = new csDiagramCommand(_T("Cut line point"), doc);
wxObjectList::compatibility_iterator node = m_selections.GetFirst();
while (node)
{
wxShape* shape = (wxShape*) node->GetData();
if (shape->IsKindOf(CLASSINFO(wxLineShape)))
{
wxShape* newShape = shape->CreateNewCopy();
((wxLineShape*)newShape)->DeleteLineControlPoint();
csCommandState* state = new csCommandState(ID_CS_CUT_POINT, newShape, shape);
cmd->AddState(state);
}
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
void csDiagramView::OnStraightenLines(wxCommandEvent& WXUNUSED(event))
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
csDiagramCommand* cmd = new csDiagramCommand(_T("Straighten lines"), doc);
wxObjectList::compatibility_iterator node = m_selections.GetFirst();
while (node)
{
wxShape* shape = (wxShape*) node->GetData();
if (shape->IsKindOf(CLASSINFO(wxLineShape)))
{
wxShape* newShape = shape->CreateNewCopy();
((wxLineShape*)newShape)->Straighten();
csCommandState* state = new csCommandState(ID_CS_STRAIGHTEN, newShape, shape);
cmd->AddState(state);
}
node = node->GetNext();
}
doc->GetCommandProcessor()->Submit(cmd);
}
void csDiagramView::OnNewLinePointUpdate(wxUpdateUIEvent& event)
{
wxList selections;
FindSelectedShapes(selections, CLASSINFO(wxLineShape));
event.Enable( (selections.GetCount() > 0) );
}
void csDiagramView::OnCutLinePointUpdate(wxUpdateUIEvent& event)
{
wxList selections;
FindSelectedShapes(selections, CLASSINFO(wxLineShape));
event.Enable( (selections.GetCount() > 0) );
}
void csDiagramView::OnStraightenLinesUpdate(wxUpdateUIEvent& event)
{
wxList selections;
FindSelectedShapes(selections, CLASSINFO(wxLineShape));
event.Enable( (selections.GetCount() > 0) );
}
/*
* Window implementations
*/
IMPLEMENT_CLASS(csCanvas, wxShapeCanvas)
BEGIN_EVENT_TABLE(csCanvas, wxShapeCanvas)
EVT_MOUSE_EVENTS(csCanvas::OnMouseEvent)
EVT_PAINT(csCanvas::OnPaint)
END_EVENT_TABLE()
// Define a constructor for my canvas
csCanvas::csCanvas(csDiagramView *v, wxWindow *parent, wxWindowID id, const wxPoint& pos,
const wxSize& size, long style):
wxShapeCanvas(parent, id, pos, size, style)
{
m_view = v;
}
csCanvas::~csCanvas(void)
{
}
void csCanvas::DrawOutline(wxDC& dc, double x1, double y1, double x2, double y2)
{
wxPen dottedPen(*wxBLACK, 1, wxDOT);
dc.SetPen(dottedPen);
dc.SetBrush(* wxTRANSPARENT_BRUSH);
dc.DrawRectangle((long) x1, (long) y1, (long) (x2 - x1), (long) (y2 - y1));
}
void csCanvas::OnLeftClick(double x, double y, int WXUNUSED(keys))
{
csEditorToolPalette *palette = wxGetApp().GetDiagramPalette();
if (palette->GetSelection() == PALETTE_ARROW)
{
GetView()->SelectAll(false);
wxClientDC dc(this);
PrepareDC(dc);
Redraw(dc);
return;
}
if (palette->GetSelection() == PALETTE_TEXT_TOOL)
{
wxString newLabel;
#if wxUSE_WX_RESOURCES
// Ask for a label and create a new free-floating text region
csLabelEditingDialog* dialog = new csLabelEditingDialog(GetParent());
dialog->SetShapeLabel( wxEmptyString );
dialog->SetTitle(_T("New text box"));
if (dialog->ShowModal() == wxID_CANCEL)
{
dialog->Destroy();
return;
}
newLabel = dialog->GetShapeLabel();
dialog->Destroy();
#endif // wxUSE_WX_RESOURCES
wxShape* shape = new csTextBoxShape;
shape->AssignNewIds();
shape->SetEventHandler(new csEvtHandler(shape, shape, newLabel));
wxComboBox* comboBox = wxGetApp().GetPointSizeComboBox();
wxString str(comboBox->GetValue());
long pointSize;
str.ToLong( &pointSize );
wxFont* newFont = wxTheFontList->FindOrCreateFont(pointSize,
shape->GetFont()->GetFamily(),
shape->GetFont()->GetStyle(),
shape->GetFont()->GetWeight(),
shape->GetFont()->GetUnderlined(),
shape->GetFont()->GetFaceName());
shape->SetFont(newFont);
shape->SetX(x);
shape->SetY(y);
csDiagramCommand* cmd = new csDiagramCommand(_T("Text box"),
(csDiagramDocument *)GetView()->GetDocument(),
new csCommandState(ID_CS_ADD_SHAPE, shape, NULL));
GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
palette->SetSelection(PALETTE_ARROW);
return;
}
csSymbol* symbol = wxGetApp().GetSymbolDatabase()->FindSymbol(palette->GetSelection());
if (symbol)
{
wxShape* theShape = symbol->GetShape()->CreateNewCopy();
wxComboBox* comboBox = wxGetApp().GetPointSizeComboBox();
wxString str(comboBox->GetValue());
long pointSize;
str.ToLong( &pointSize );
wxFont* newFont = wxTheFontList->FindOrCreateFont(pointSize,
symbol->GetShape()->GetFont()->GetFamily(),
symbol->GetShape()->GetFont()->GetStyle(),
symbol->GetShape()->GetFont()->GetWeight(),
symbol->GetShape()->GetFont()->GetUnderlined(),
symbol->GetShape()->GetFont()->GetFaceName());
theShape->SetFont(newFont);
theShape->AssignNewIds();
theShape->SetX(x);
theShape->SetY(y);
csDiagramCommand* cmd = new csDiagramCommand(symbol->GetName(),
(csDiagramDocument *)GetView()->GetDocument(),
new csCommandState(ID_CS_ADD_SHAPE, theShape, NULL));
GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
palette->SetSelection(PALETTE_ARROW);
}
}
void csCanvas::OnRightClick(double WXUNUSED(x), double WXUNUSED(y), int WXUNUSED(keys))
{
}
// Initial point
static double sg_initialX, sg_initialY;
void csCanvas::OnDragLeft(bool WXUNUSED(draw), double x, double y, int WXUNUSED(keys))
{
wxClientDC dc(this);
PrepareDC(dc);
dc.SetLogicalFunction(OGLRBLF);
DrawOutline(dc, sg_initialX, sg_initialY, x, y);
}
void csCanvas::OnBeginDragLeft(double x, double y, int WXUNUSED(keys))
{
sg_initialX = x;
sg_initialY = y;
wxClientDC dc(this);
PrepareDC(dc);
dc.SetLogicalFunction(OGLRBLF);
DrawOutline(dc, sg_initialX, sg_initialY, x, y);
CaptureMouse();
}
void csCanvas::OnEndDragLeft(double x, double y, int WXUNUSED(keys))
{
ReleaseMouse();
wxClientDC dc(this);
PrepareDC(dc);
// Select all images within the rectangle
float min_x, max_x, min_y, max_y;
min_x = wxMin(x, sg_initialX);
max_x = wxMax(x, sg_initialX);
min_y = wxMin(y, sg_initialY);
max_y = wxMax(y, sg_initialY);
wxObjectList::compatibility_iterator node = GetDiagram()->GetShapeList()->GetFirst();
while (node)
{
wxShape *shape = (wxShape *)node->GetData();
if (shape->GetParent() == NULL && !shape->IsKindOf(CLASSINFO(wxControlPoint)))
{
float image_x = shape->GetX();
float image_y = shape->GetY();
if (image_x >= min_x && image_x <= max_x &&
image_y >= min_y && image_y <= max_y)
{
shape->Select(true, &dc);
GetView()->SelectShape(shape, true);
}
}
node = node->GetNext();
}
}
void csCanvas::OnDragRight(bool WXUNUSED(draw), double WXUNUSED(x), double WXUNUSED(y), int WXUNUSED(keys))
{
}
void csCanvas::OnBeginDragRight(double WXUNUSED(x), double WXUNUSED(y), int WXUNUSED(keys))
{
}
void csCanvas::OnEndDragRight(double WXUNUSED(x), double WXUNUSED(y), int WXUNUSED(keys))
{
}
void csCanvas::OnMouseEvent(wxMouseEvent& event)
{
wxShapeCanvas::OnMouseEvent(event);
}
void csCanvas::OnPaint(wxPaintEvent& event)
{
// if (GetDiagram())
wxShapeCanvas::OnPaint(event);
}