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1/////////////////////////////////////////////////////////////////////////////
2// Name: view.cpp
3// Purpose: View classes
4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart and Markus Holzem
2f6c54eb 9// Licence: wxWindows license
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10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13// #pragma implementation
14#endif
15
16// For compilers that support precompilation, includes "wx/wx.h".
17#include "wx/wxprec.h"
18
19#ifdef __BORLANDC__
20#pragma hdrstop
21#endif
22
23#ifndef WX_PRECOMP
24#include "wx/wx.h"
25#endif
26
e4b19d9b 27#if !wxUSE_DOC_VIEW_ARCHITECTURE
ad813b00 28#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!
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29#endif
30
31#include "docview.h"
32#include "doc.h"
33#include "view.h"
34
35IMPLEMENT_DYNAMIC_CLASS(DrawingView, wxView)
36
37// For drawing lines in a canvas
38float xpos = -1;
39float ypos = -1;
40
41BEGIN_EVENT_TABLE(DrawingView, wxView)
42 EVT_MENU(DOODLE_CUT, DrawingView::OnCut)
43END_EVENT_TABLE()
44
45// What to do when a view is created. Creates actual
46// windows for displaying the view.
e3e65dac 47bool DrawingView::OnCreate(wxDocument *doc, long WXUNUSED(flags) )
457814b5 48{
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49 if (!singleWindowMode)
50 {
51 // Multiple windows
52 frame = wxGetApp().CreateChildFrame(doc, this, TRUE);
39960310 53 frame->SetTitle(_T("DrawingView"));
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54
55 canvas = GetMainFrame()->CreateCanvas(this, frame);
457814b5 56#ifdef __X__
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57 // X seems to require a forced resize
58 int x, y;
59 frame->GetSize(&x, &y);
60 frame->SetSize(-1, -1, x, y);
457814b5 61#endif
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62 frame->Show(TRUE);
63 }
64 else
65 {
66 // Single-window mode
67 frame = GetMainFrame();
68 canvas = GetMainFrame()->canvas;
69 canvas->view = this;
70
71 // Associate the appropriate frame with this view.
72 SetFrame(frame);
73
74 // Make sure the document manager knows that this is the
75 // current view.
76 Activate(TRUE);
77
78 // Initialize the edit menu Undo and Redo items
79 doc->GetCommandProcessor()->SetEditMenu(((MyFrame *)frame)->editMenu);
80 doc->GetCommandProcessor()->Initialize();
81 }
82
83 return TRUE;
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84}
85
86// Sneakily gets used for default print/preview
87// as well as drawing on the screen.
88void DrawingView::OnDraw(wxDC *dc)
89{
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90 dc->SetFont(*wxNORMAL_FONT);
91 dc->SetPen(*wxBLACK_PEN);
92
93 wxNode *node = ((DrawingDocument *)GetDocument())->GetDoodleSegments().First();
94 while (node)
95 {
96 DoodleSegment *seg = (DoodleSegment *)node->Data();
97 seg->Draw(dc);
98 node = node->Next();
99 }
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100}
101
e3e65dac 102void DrawingView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint))
457814b5 103{
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104 if (canvas)
105 canvas->Refresh();
106
457814b5 107/* Is the following necessary?
2049ba38 108#ifdef __WXMSW__
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109 if (canvas)
110 canvas->Refresh();
457814b5 111#else
f6bcfd97 112 if (canvas)
457814b5 113 {
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114 wxClientDC dc(canvas);
115 dc.Clear();
116 OnDraw(& dc);
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117 }
118#endif
119*/
120}
121
122// Clean up windows used for displaying the view.
123bool DrawingView::OnClose(bool deleteWindow)
124{
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125 if (!GetDocument()->Close())
126 return FALSE;
127
128 // Clear the canvas in case we're in single-window mode,
129 // and the canvas stays.
130 canvas->Clear();
131 canvas->view = (wxView *) NULL;
132 canvas = (MyCanvas *) NULL;
133
134 wxString s(wxTheApp->GetAppName());
135 if (frame)
136 frame->SetTitle(s);
137
138 SetFrame((wxFrame *) NULL);
139
140 Activate(FALSE);
141
142 if (deleteWindow && !singleWindowMode)
143 {
144 delete frame;
145 return TRUE;
146 }
457814b5 147 return TRUE;
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148}
149
e3e65dac 150void DrawingView::OnCut(wxCommandEvent& WXUNUSED(event) )
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151{
152 DrawingDocument *doc = (DrawingDocument *)GetDocument();
39960310 153 doc->GetCommandProcessor()->Submit(new DrawingCommand(_T("Cut Last Segment"), DOODLE_CUT, doc, (DoodleSegment *) NULL));
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154}
155
156IMPLEMENT_DYNAMIC_CLASS(TextEditView, wxView)
157
e3e65dac 158bool TextEditView::OnCreate(wxDocument *doc, long WXUNUSED(flags) )
457814b5 159{
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160 frame = wxGetApp().CreateChildFrame(doc, this, FALSE);
161
162 int width, height;
163 frame->GetClientSize(&width, &height);
164 textsw = new MyTextWindow(this, frame, wxPoint(0, 0), wxSize(width, height), wxTE_MULTILINE);
39960310 165 frame->SetTitle(_T("TextEditView"));
f6bcfd97 166
457814b5 167#ifdef __X__
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168 // X seems to require a forced resize
169 int x, y;
170 frame->GetSize(&x, &y);
171 frame->SetSize(-1, -1, x, y);
457814b5 172#endif
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173
174 frame->Show(TRUE);
175 Activate(TRUE);
176
177 return TRUE;
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178}
179
180// Handled by wxTextWindow
e3e65dac 181void TextEditView::OnDraw(wxDC *WXUNUSED(dc) )
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182{
183}
184
e3e65dac 185void TextEditView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint) )
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186{
187}
188
189bool TextEditView::OnClose(bool deleteWindow)
190{
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191 if (!GetDocument()->Close())
192 return FALSE;
457814b5 193
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194 Activate(FALSE);
195
196 if (deleteWindow)
197 {
198 delete frame;
199 return TRUE;
200 }
457814b5 201 return TRUE;
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202}
203
204/*
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205* Window implementations
206*/
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207
208BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
209 EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent)
210END_EVENT_TABLE()
211
212// Define a constructor for my canvas
213MyCanvas::MyCanvas(wxView *v, wxFrame *frame, const wxPoint& pos, const wxSize& size, const long style):
f6bcfd97 214 wxScrolledWindow(frame, -1, pos, size, style)
457814b5 215{
f6bcfd97 216 view = v;
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217}
218
219// Define the repainting behaviour
220void MyCanvas::OnDraw(wxDC& dc)
221{
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222 if (view)
223 view->OnDraw(& dc);
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224}
225
226// This implements a tiny doodling program. Drag the mouse using
227// the left button.
228void MyCanvas::OnMouseEvent(wxMouseEvent& event)
229{
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230 if (!view)
231 return;
457814b5 232
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233 static DoodleSegment *currentSegment = (DoodleSegment *) NULL;
234
235 wxClientDC dc(this);
236 PrepareDC(dc);
237
238 dc.SetPen(*wxBLACK_PEN);
239
240 wxPoint pt(event.GetLogicalPosition(dc));
241
242 if (currentSegment && event.LeftUp())
457814b5 243 {
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244 if (currentSegment->lines.Number() == 0)
245 {
246 delete currentSegment;
247 currentSegment = (DoodleSegment *) NULL;
248 }
249 else
250 {
251 // We've got a valid segment on mouse left up, so store it.
252 DrawingDocument *doc = (DrawingDocument *)view->GetDocument();
253
39960310 254 doc->GetCommandProcessor()->Submit(new DrawingCommand(_T("Add Segment"), DOODLE_ADD, doc, currentSegment));
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255
256 view->GetDocument()->Modify(TRUE);
257 currentSegment = (DoodleSegment *) NULL;
258 }
457814b5 259 }
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260
261 if (xpos > -1 && ypos > -1 && event.Dragging())
457814b5 262 {
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263 if (!currentSegment)
264 currentSegment = new DoodleSegment;
265
266 DoodleLine *newLine = new DoodleLine;
267 newLine->x1 = (long)xpos;
268 newLine->y1 = (long)ypos;
269 newLine->x2 = pt.x;
270 newLine->y2 = pt.y;
271 currentSegment->lines.Append(newLine);
272
273 dc.DrawLine( (long)xpos, (long)ypos, pt.x, pt.y);
457814b5 274 }
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275 xpos = pt.x;
276 ypos = pt.y;
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277}
278
279// Define a constructor for my text subwindow
280MyTextWindow::MyTextWindow(wxView *v, wxFrame *frame, const wxPoint& pos, const wxSize& size, const long style):
39960310 281 wxTextCtrl(frame, -1, _T(""), pos, size, style)
457814b5 282{
f6bcfd97 283 view = v;
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284}
285
286