1 | #ifndef MXGLPANE_INCLUDED // -*- C++ -*-
|
---|
2 | #define MXGLPANE_INCLUDED
|
---|
3 | #if !defined(__GNUC__)
|
---|
4 | # pragma once
|
---|
5 | #endif
|
---|
6 |
|
---|
7 | /************************************************************************
|
---|
8 |
|
---|
9 | MxGLPane
|
---|
10 |
|
---|
11 | Copyright (C) 1998 Michael Garland. See "COPYING.txt" for details.
|
---|
12 |
|
---|
13 | $Id: MxGLPane.h,v 1.1 2002/09/24 16:53:54 wimmer Exp $
|
---|
14 |
|
---|
15 | ************************************************************************/
|
---|
16 |
|
---|
17 | #ifdef WIN32
|
---|
18 | //
|
---|
19 | // Include MFC stuff now so that <windows.h> doesn't get included for GL
|
---|
20 | //
|
---|
21 | # define VC_EXTRALEAN
|
---|
22 | # include <afxwin.h> // MFC core and standard components
|
---|
23 | # include <afxext.h> // MFC extensions
|
---|
24 | #endif
|
---|
25 |
|
---|
26 | #include "MxGL.h"
|
---|
27 | #include "MxRaster.h"
|
---|
28 |
|
---|
29 | #define MX_BUTTONDOWN 1
|
---|
30 | #define MX_BUTTONUP 2
|
---|
31 | #define MX_POINTERMOTION 3
|
---|
32 | // Keep lowest digit unused to avoid clashes with the event symbols
|
---|
33 | #define MX_CTRLKEY 0x10
|
---|
34 | #define MX_SHIFTKEY 0x20
|
---|
35 |
|
---|
36 | // Specific ASCII keycodes
|
---|
37 | //
|
---|
38 | // BUG: This is not an appropriate home for this key stuff.
|
---|
39 | // At some point, we should consolidate this and related items
|
---|
40 | // into a unified event module.
|
---|
41 | //
|
---|
42 | #define MXKEY_BS 0x08
|
---|
43 | #define MXKEY_DEL 0x7f
|
---|
44 | #define MXKEY_NL 0x0a
|
---|
45 | #define MXKEY_CR 0x0d
|
---|
46 |
|
---|
47 | #if defined(WIN32)
|
---|
48 |
|
---|
49 | // Handy alternative to RGB()
|
---|
50 | inline COLORREF fRGB(float r, float g, float b)
|
---|
51 | {
|
---|
52 | return RGB((uint)(r*255.0f), (uint)(g*255.0f), (uint)(b*255.0f));
|
---|
53 | }
|
---|
54 |
|
---|
55 | class MxGLPane : public CFrameWnd
|
---|
56 | {
|
---|
57 | private:
|
---|
58 | HGLRC gl_context;
|
---|
59 | int pixel_format;
|
---|
60 | CDC *active_dc;
|
---|
61 |
|
---|
62 | bool set_pixel_format(HDC);
|
---|
63 | bool create_glcontext(HDC);
|
---|
64 |
|
---|
65 | void handle_mouse(int kind, UINT flags, CPoint point);
|
---|
66 | void do_redraw(CDC& dc);
|
---|
67 |
|
---|
68 | protected: // MFC virtual function overrides
|
---|
69 | BOOL PreCreateWindow(CREATESTRUCT& cs);
|
---|
70 |
|
---|
71 | protected: // MFC event handlers
|
---|
72 | afx_msg void OnPaint();
|
---|
73 | afx_msg BOOL OnEraseBkgnd(CDC *);
|
---|
74 | afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
|
---|
75 | afx_msg void OnDestroy();
|
---|
76 | afx_msg void OnSize(UINT nType, int cx, int cy);
|
---|
77 | afx_msg void OnLButtonDown(UINT flags, CPoint point);
|
---|
78 | afx_msg void OnLButtonUp(UINT flags, CPoint point);
|
---|
79 | afx_msg void OnRButtonDown(UINT flags, CPoint point);
|
---|
80 | afx_msg void OnRButtonUp(UINT flags, CPoint point);
|
---|
81 | afx_msg void OnMButtonDown(UINT flags, CPoint point);
|
---|
82 | afx_msg void OnMButtonUp(UINT flags, CPoint point);
|
---|
83 | afx_msg void OnMouseMove(UINT flags, CPoint point);
|
---|
84 | afx_msg void OnChar(UINT ch, UINT repcount, UINT flags);
|
---|
85 | afx_msg void OnTimer(UINT timer_id);
|
---|
86 | DECLARE_MESSAGE_MAP ()
|
---|
87 |
|
---|
88 | public:
|
---|
89 | float background_color[3];
|
---|
90 |
|
---|
91 | public:
|
---|
92 | MxGLPane();
|
---|
93 |
|
---|
94 | void create(char *name);
|
---|
95 | inline void make_current(HDC dc) { wglMakeCurrent(dc, gl_context); }
|
---|
96 | inline void finish(HDC dc) { SwapBuffers(dc); }
|
---|
97 | void get_canvas_geometry(int *x, int *y, int *w, int *h);
|
---|
98 | void draw_string(int x, int y, const char *str);
|
---|
99 |
|
---|
100 | MxRaster *grab_snapshot();
|
---|
101 | void snapshot_ppm(const char *name=NULL);
|
---|
102 | void snapshot_tiff(const char *name=NULL);
|
---|
103 |
|
---|
104 | virtual void gl_init();
|
---|
105 | virtual void begin_redraw();
|
---|
106 | virtual void end_redraw();
|
---|
107 |
|
---|
108 | void post_redraw();
|
---|
109 | void require_redraw();
|
---|
110 | virtual void redraw();
|
---|
111 | virtual void illustrate();
|
---|
112 | virtual void key(char);
|
---|
113 | virtual void button(int kind, int which, int x, int y);
|
---|
114 | virtual void size(int width, int height);
|
---|
115 |
|
---|
116 | unsigned int add_timer(unsigned int id, unsigned int millisecs);
|
---|
117 | bool remove_timer(unsigned int id);
|
---|
118 | virtual void timer(unsigned int);
|
---|
119 | };
|
---|
120 |
|
---|
121 | class MxGLApp : public CWinApp
|
---|
122 | {
|
---|
123 |
|
---|
124 | public:
|
---|
125 | BOOL InitInstance(); // MFC interface
|
---|
126 |
|
---|
127 |
|
---|
128 | static MxGLApp *application;
|
---|
129 | static bool (*init_hook)(MxGLApp *);
|
---|
130 |
|
---|
131 | int argc;
|
---|
132 | char **argv;
|
---|
133 |
|
---|
134 | MxGLApp(bool (*h)(MxGLApp *)=NULL)
|
---|
135 | {
|
---|
136 | application = this;
|
---|
137 | init_hook = h;
|
---|
138 | }
|
---|
139 |
|
---|
140 | void bind_pane(MxGLPane *, char *name);
|
---|
141 | const char *query_filename(const char *prompt, const char *cwd,
|
---|
142 | const char *filter, const char *default_name);
|
---|
143 |
|
---|
144 | virtual bool init_application() { return true; }
|
---|
145 | };
|
---|
146 |
|
---|
147 |
|
---|
148 | #else
|
---|
149 | #ifdef MIX_USE_X11_FORMS
|
---|
150 | #include <X11/forms.h>
|
---|
151 | #else
|
---|
152 | #include <forms.h>
|
---|
153 | #endif
|
---|
154 |
|
---|
155 | class MxGLPane
|
---|
156 | {
|
---|
157 | private:
|
---|
158 | FL_FORM *glpane;
|
---|
159 | FL_OBJECT *canvas;
|
---|
160 | GC gc;
|
---|
161 |
|
---|
162 | static MxGLPane *glpane_for_form(FL_FORM *);
|
---|
163 | static void glpane_for_form(FL_FORM *, MxGLPane *);
|
---|
164 | static MxGLPane *glpane_for_object(FL_OBJECT *);
|
---|
165 |
|
---|
166 | static int cb_mapnotify(FL_OBJECT *, Window, int, int, XEvent *, void *);
|
---|
167 | static int cb_configure(FL_OBJECT *, Window, int, int, XEvent *, void *);
|
---|
168 | static int cb_expose(FL_OBJECT *, Window, int, int, XEvent *, void *);
|
---|
169 | static int cb_button(FL_OBJECT *, Window, int, int, XEvent *, void *);
|
---|
170 | static int cb_key(FL_OBJECT *, Window, int, int, XEvent *, void *);
|
---|
171 |
|
---|
172 | public:
|
---|
173 | float background_color[3];
|
---|
174 |
|
---|
175 | public:
|
---|
176 | MxGLPane();
|
---|
177 | virtual ~MxGLPane();
|
---|
178 |
|
---|
179 | void create(char *name,int *x=NULL,int *y=NULL,int *w=NULL,int *h=NULL);
|
---|
180 | inline void make_current()
|
---|
181 | {
|
---|
182 | glXMakeCurrent(fl_display,
|
---|
183 | fl_get_canvas_id(canvas),
|
---|
184 | fl_get_glcanvas_context(canvas));
|
---|
185 | }
|
---|
186 | inline void finish() {glXSwapBuffers(fl_display,fl_get_canvas_id(canvas));}
|
---|
187 | void get_canvas_geometry(int *x, int *y, int *w, int *h);
|
---|
188 | void draw_string(int x, int y, char *str)
|
---|
189 | {
|
---|
190 | XDrawString(fl_display, fl_get_canvas_id(canvas), gc,
|
---|
191 | x, y+canvas->bw, str, strlen(str));
|
---|
192 | }
|
---|
193 |
|
---|
194 | MxRaster *grab_snapshot();
|
---|
195 | void snapshot_ppm(const char *name=NULL);
|
---|
196 | void snapshot_tiff(const char *name=NULL);
|
---|
197 |
|
---|
198 | virtual void gl_init();
|
---|
199 | virtual void begin_redraw();
|
---|
200 | virtual void end_redraw();
|
---|
201 |
|
---|
202 | void post_redraw();
|
---|
203 | void require_redraw();
|
---|
204 | virtual void redraw();
|
---|
205 | virtual void illustrate();
|
---|
206 | virtual void key(char);
|
---|
207 | virtual void button(int kind, int which, int x, int y);
|
---|
208 | virtual void size(int width, int height);
|
---|
209 | virtual void timer(unsigned int);
|
---|
210 | };
|
---|
211 |
|
---|
212 | class MxGLApp
|
---|
213 | {
|
---|
214 | public:
|
---|
215 | static MxGLApp *application;
|
---|
216 | static bool (*init_hook)(MxGLApp *);
|
---|
217 |
|
---|
218 | int argc;
|
---|
219 | char **argv;
|
---|
220 |
|
---|
221 | MxGLApp(bool (*h)(MxGLApp *)=NULL)
|
---|
222 | {
|
---|
223 | application = this;
|
---|
224 | init_hook = h;
|
---|
225 | }
|
---|
226 |
|
---|
227 | void bind_pane(MxGLPane *, char *name);
|
---|
228 | const char *query_filename(const char *prompt, const char *cwd,
|
---|
229 | const char *filter, const char *default_name);
|
---|
230 |
|
---|
231 | virtual bool init_application() { return true; }
|
---|
232 | };
|
---|
233 |
|
---|
234 |
|
---|
235 | #endif
|
---|
236 |
|
---|
237 | // MXGLPANE_INCLUDED
|
---|
238 | #endif
|
---|