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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 |
2108f33a JS |
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! |
2108f33a JS |
29 | #endif |
30 | ||
31 | #include "docview.h" | |
32 | #include "doc.h" | |
33 | #include "view.h" | |
34 | ||
35 | IMPLEMENT_DYNAMIC_CLASS(DrawingView, wxView) | |
36 | ||
37 | // For drawing lines in a canvas | |
38 | float xpos = -1; | |
39 | float ypos = -1; | |
40 | ||
41 | BEGIN_EVENT_TABLE(DrawingView, wxView) | |
42 | EVT_MENU(DOODLE_CUT, DrawingView::OnCut) | |
43 | END_EVENT_TABLE() | |
44 | ||
45 | // What to do when a view is created. Creates actual | |
46 | // windows for displaying the view. | |
47 | bool DrawingView::OnCreate(wxDocument *doc, long WXUNUSED(flags) ) | |
48 | { | |
49 | frame = wxGetApp().CreateChildFrame(doc, this, TRUE); | |
8325937e | 50 | frame->SetTitle(_T("DrawingView")); |
2108f33a JS |
51 | |
52 | canvas = GetMainFrame()->CreateCanvas(this, frame); | |
53 | #ifdef __X__ | |
54 | // X seems to require a forced resize | |
55 | int x, y; | |
56 | frame->GetSize(&x, &y); | |
b412f9be | 57 | frame->SetSize(-1, -1, x, y); |
2108f33a JS |
58 | #endif |
59 | frame->Show(TRUE); | |
354aa1e3 | 60 | Activate(TRUE); |
2108f33a JS |
61 | |
62 | return TRUE; | |
63 | } | |
64 | ||
65 | // Sneakily gets used for default print/preview | |
66 | // as well as drawing on the screen. | |
67 | void DrawingView::OnDraw(wxDC *dc) | |
68 | { | |
69 | dc->SetFont(*wxNORMAL_FONT); | |
70 | dc->SetPen(*wxBLACK_PEN); | |
71 | ||
b1d4dd7a | 72 | wxNode *node = ((DrawingDocument *)GetDocument())->GetDoodleSegments().GetFirst(); |
2108f33a JS |
73 | while (node) |
74 | { | |
b1d4dd7a | 75 | DoodleSegment *seg = (DoodleSegment *)node->GetData(); |
2108f33a | 76 | seg->Draw(dc); |
b1d4dd7a | 77 | node = node->GetNext(); |
2108f33a JS |
78 | } |
79 | } | |
80 | ||
81 | void DrawingView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint)) | |
82 | { | |
83 | if (canvas) | |
84 | canvas->Refresh(); | |
85 | ||
86 | /* Is the following necessary? | |
87 | #ifdef __WXMSW__ | |
88 | if (canvas) | |
89 | canvas->Refresh(); | |
90 | #else | |
91 | if (canvas) | |
92 | { | |
93 | wxClientDC dc(canvas); | |
94 | dc.Clear(); | |
95 | OnDraw(& dc); | |
96 | } | |
97 | #endif | |
98 | */ | |
99 | } | |
100 | ||
101 | // Clean up windows used for displaying the view. | |
102 | bool DrawingView::OnClose(bool deleteWindow) | |
103 | { | |
104 | if (!GetDocument()->Close()) | |
105 | return FALSE; | |
106 | ||
107 | // Clear the canvas in case we're in single-window mode, | |
108 | // and the canvas stays. | |
109 | canvas->Clear(); | |
c67daf87 UR |
110 | canvas->view = (wxView *) NULL; |
111 | canvas = (MyCanvas *) NULL; | |
2108f33a JS |
112 | |
113 | wxString s(wxTheApp->GetAppName()); | |
114 | if (frame) | |
115 | frame->SetTitle(s); | |
116 | ||
9746a2ba | 117 | SetFrame((wxFrame*)NULL); |
2108f33a JS |
118 | |
119 | Activate(FALSE); | |
120 | ||
121 | if (deleteWindow) | |
122 | { | |
123 | delete frame; | |
124 | return TRUE; | |
125 | } | |
126 | return TRUE; | |
127 | } | |
128 | ||
129 | void DrawingView::OnCut(wxCommandEvent& WXUNUSED(event) ) | |
130 | { | |
131 | DrawingDocument *doc = (DrawingDocument *)GetDocument(); | |
8325937e | 132 | doc->GetCommandProcessor()->Submit(new DrawingCommand(_T("Cut Last Segment"), DOODLE_CUT, doc, (DoodleSegment *) NULL)); |
2108f33a JS |
133 | } |
134 | ||
135 | IMPLEMENT_DYNAMIC_CLASS(TextEditView, wxView) | |
136 | ||
137 | bool TextEditView::OnCreate(wxDocument *doc, long WXUNUSED(flags) ) | |
138 | { | |
139 | frame = wxGetApp().CreateChildFrame(doc, this, FALSE); | |
140 | ||
141 | int width, height; | |
142 | frame->GetClientSize(&width, &height); | |
143 | textsw = new MyTextWindow(this, frame, wxPoint(0, 0), wxSize(width, height), wxTE_MULTILINE); | |
8325937e | 144 | frame->SetTitle(_T("TextEditView")); |
2108f33a JS |
145 | |
146 | #ifdef __X__ | |
147 | // X seems to require a forced resize | |
148 | int x, y; | |
149 | frame->GetSize(&x, &y); | |
b412f9be | 150 | frame->SetSize(-1, -1, x, y); |
2108f33a JS |
151 | #endif |
152 | ||
153 | frame->Show(TRUE); | |
154 | Activate(TRUE); | |
155 | ||
156 | return TRUE; | |
157 | } | |
158 | ||
159 | // Handled by wxTextWindow | |
160 | void TextEditView::OnDraw(wxDC *WXUNUSED(dc) ) | |
161 | { | |
162 | } | |
163 | ||
164 | void TextEditView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint) ) | |
165 | { | |
166 | } | |
167 | ||
168 | bool TextEditView::OnClose(bool deleteWindow) | |
169 | { | |
170 | if (!GetDocument()->Close()) | |
171 | return FALSE; | |
172 | ||
173 | Activate(FALSE); | |
174 | ||
175 | if (deleteWindow) | |
176 | { | |
177 | delete frame; | |
178 | return TRUE; | |
179 | } | |
180 | return TRUE; | |
181 | } | |
182 | ||
183 | /* | |
184 | * Window implementations | |
185 | */ | |
186 | ||
187 | BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) | |
188 | EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent) | |
189 | END_EVENT_TABLE() | |
190 | ||
191 | // Define a constructor for my canvas | |
b9f933ab | 192 | MyCanvas::MyCanvas(wxView *v, wxMDIChildFrame *frame, const wxPoint& pos, const wxSize& size, long style): |
2108f33a JS |
193 | wxScrolledWindow(frame, -1, pos, size, style) |
194 | { | |
195 | view = v; | |
196 | } | |
197 | ||
198 | // Define the repainting behaviour | |
199 | void MyCanvas::OnDraw(wxDC& dc) | |
200 | { | |
201 | if (view) | |
202 | view->OnDraw(& dc); | |
203 | } | |
204 | ||
205 | // This implements a tiny doodling program. Drag the mouse using | |
206 | // the left button. | |
207 | void MyCanvas::OnMouseEvent(wxMouseEvent& event) | |
208 | { | |
209 | if (!view) | |
210 | return; | |
211 | ||
c67daf87 | 212 | static DoodleSegment *currentSegment = (DoodleSegment *) NULL; |
2108f33a JS |
213 | |
214 | wxClientDC dc(this); | |
215 | PrepareDC(dc); | |
216 | ||
217 | dc.SetPen(*wxBLACK_PEN); | |
218 | ||
219 | wxPoint pt(event.GetLogicalPosition(dc)); | |
220 | ||
221 | if (currentSegment && event.LeftUp()) | |
222 | { | |
b1d4dd7a | 223 | if (currentSegment->lines.GetCount() == 0) |
2108f33a JS |
224 | { |
225 | delete currentSegment; | |
c67daf87 | 226 | currentSegment = (DoodleSegment *) NULL; |
2108f33a JS |
227 | } |
228 | else | |
229 | { | |
230 | // We've got a valid segment on mouse left up, so store it. | |
231 | DrawingDocument *doc = (DrawingDocument *)view->GetDocument(); | |
232 | ||
8325937e | 233 | doc->GetCommandProcessor()->Submit(new DrawingCommand(_T("Add Segment"), DOODLE_ADD, doc, currentSegment)); |
2108f33a JS |
234 | |
235 | view->GetDocument()->Modify(TRUE); | |
c67daf87 | 236 | currentSegment = (DoodleSegment *) NULL; |
2108f33a JS |
237 | } |
238 | } | |
239 | ||
240 | if (xpos > -1 && ypos > -1 && event.Dragging()) | |
241 | { | |
242 | if (!currentSegment) | |
243 | currentSegment = new DoodleSegment; | |
244 | ||
245 | DoodleLine *newLine = new DoodleLine; | |
246 | newLine->x1 = (long)xpos; | |
247 | newLine->y1 = (long)ypos; | |
248 | newLine->x2 = pt.x; | |
249 | newLine->y2 = pt.y; | |
250 | currentSegment->lines.Append(newLine); | |
251 | ||
252 | dc.DrawLine( (long)xpos, (long)ypos, pt.x, pt.y); | |
253 | } | |
254 | xpos = pt.x; | |
255 | ypos = pt.y; | |
256 | } | |
257 | ||
258 | // Define a constructor for my text subwindow | |
b9f933ab | 259 | MyTextWindow::MyTextWindow(wxView *v, wxMDIChildFrame *frame, const wxPoint& pos, const wxSize& size, long style): |
8325937e | 260 | wxTextCtrl(frame, -1, _T(""), pos, size, style) |
2108f33a JS |
261 | { |
262 | view = v; | |
263 | } | |
264 | ||
265 |