1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 23 #ifndef _SDL_BWin_h 24 #define _SDL_BWin_h 25 26 #include "SDL_config.h" 27 28 #include <stdio.h> 29 #include <AppKit.h> 30 #include <InterfaceKit.h> 31 #include <be/game/DirectWindow.h> 32 #if SDL_VIDEO_OPENGL 33 #include <be/opengl/GLView.h> 34 #endif 35 #include <support/UTF8.h> 36 37 #include "../../main/beos/SDL_BeApp.h" 38 #include "SDL_events.h" 39 #include "SDL_BView.h" 40 41 extern "C" { 42 #include "../../events/SDL_events_c.h" 43 44 extern int mouse_relative; 45 }; 46 47 class SDL_BWin : public BDirectWindow 48 { 49 public: 50 SDL_BWin(BRect bounds) : 51 BDirectWindow(bounds, "Untitled", B_TITLED_WINDOW, 0) { 52 last_buttons = 0; 53 the_view = NULL; 54 #if SDL_VIDEO_OPENGL 55 SDL_GLView = NULL; 56 #endif 57 SDL_View = NULL; 58 Unlock(); 59 shown = false; 60 inhibit_resize = false; 61 } 62 63 virtual ~SDL_BWin() { 64 Lock(); 65 if ( the_view ) { 66 #if SDL_VIDEO_OPENGL 67 if ( the_view == SDL_GLView ) { 68 SDL_GLView->UnlockGL(); 69 } 70 #endif 71 RemoveChild(the_view); 72 the_view = NULL; 73 } 74 Unlock(); 75 #if SDL_VIDEO_OPENGL 76 if ( SDL_GLView ) { 77 delete SDL_GLView; 78 } 79 #endif 80 if ( SDL_View ) { 81 delete SDL_View; 82 } 83 } 84 85 86 /* Override the Show() method so we can tell when we've been shown */ 87 virtual void Show(void) { 88 BWindow::Show(); 89 shown = true; 90 } 91 virtual bool Shown(void) { 92 return (shown); 93 } 94 /* If called, the next resize event will not be forwarded to SDL. */ 95 virtual void InhibitResize(void) { 96 inhibit_resize=true; 97 } 98 /* Handle resizing of the window */ 99 virtual void FrameResized(float width, float height) { 100 if(inhibit_resize) 101 inhibit_resize = false; 102 else 103 SDL_PrivateResize((int)width, (int)height); 104 } 105 virtual int CreateView(Uint32 flags, Uint32 gl_flags) { 106 int retval; 107 108 retval = 0; 109 Lock(); 110 if ( flags & SDL_OPENGL ) { 111 #if SDL_VIDEO_OPENGL 112 if ( SDL_GLView == NULL ) { 113 SDL_GLView = new BGLView(Bounds(), "SDL GLView", 114 B_FOLLOW_ALL_SIDES, (B_WILL_DRAW|B_FRAME_EVENTS), 115 gl_flags); 116 SDL_GLView->EnableDirectMode(true); 117 } 118 if ( the_view != SDL_GLView ) { 119 if ( the_view ) { 120 RemoveChild(the_view); 121 } 122 AddChild(SDL_GLView); 123 SDL_GLView->LockGL(); 124 the_view = SDL_GLView; 125 } 126 #else 127 SDL_SetError("OpenGL support not enabled"); 128 retval = -1; 129 #endif 130 } else { 131 if ( SDL_View == NULL ) { 132 SDL_View = new SDL_BView(Bounds()); 133 } 134 if ( the_view != SDL_View ) { 135 if ( the_view ) { 136 #if SDL_VIDEO_OPENGL 137 if ( the_view == SDL_GLView ) { 138 SDL_GLView->UnlockGL(); 139 } 140 #endif 141 RemoveChild(the_view); 142 } 143 AddChild(SDL_View); 144 the_view = SDL_View; 145 } 146 } 147 Unlock(); 148 return(retval); 149 } 150 virtual void SetBitmap(BBitmap *bitmap) { 151 SDL_View->SetBitmap(bitmap); 152 } 153 virtual void SetXYOffset(int x, int y) { 154 #if SDL_VIDEO_OPENGL 155 if ( the_view == SDL_GLView ) { 156 return; 157 } 158 #endif 159 SDL_View->SetXYOffset(x, y); 160 } 161 virtual void GetXYOffset(int &x, int &y) { 162 #if SDL_VIDEO_OPENGL 163 if ( the_view == SDL_GLView ) { 164 x = 0; 165 y = 0; 166 return; 167 } 168 #endif 169 SDL_View->GetXYOffset(x, y); 170 } 171 virtual void GetXYOffset(float &x, float &y) { 172 #if SDL_VIDEO_OPENGL 173 if ( the_view == SDL_GLView ) { 174 x = 0.0f; 175 y = 0.0f; 176 return; 177 } 178 #endif 179 SDL_View->GetXYOffset(x, y); 180 } 181 virtual bool BeginDraw(void) { 182 return(Lock()); 183 } 184 virtual void DrawAsync(BRect updateRect) { 185 SDL_View->DrawAsync(updateRect); 186 } 187 virtual void EndDraw(void) { 188 SDL_View->Sync(); 189 Unlock(); 190 } 191 #if SDL_VIDEO_OPENGL 192 virtual void SwapBuffers(void) { 193 SDL_GLView->UnlockGL(); 194 SDL_GLView->LockGL(); 195 SDL_GLView->SwapBuffers(); 196 } 197 #endif 198 virtual BView *View(void) { 199 return(the_view); 200 } 201 202 /* Hook functions -- overridden */ 203 virtual void Minimize(bool minimize) { 204 /* This is only called when mimimized, not when restored */ 205 //SDL_PrivateAppActive(minimize, SDL_APPACTIVE); 206 BWindow::Minimize(minimize); 207 } 208 virtual void WindowActivated(bool active) { 209 SDL_PrivateAppActive(active, SDL_APPINPUTFOCUS); 210 } 211 virtual bool QuitRequested(void) { 212 if ( SDL_BeAppActive > 0 ) { 213 SDL_PrivateQuit(); 214 /* We don't ever actually close the window here because 215 the application should respond to the quit request, 216 or ignore it as desired. 217 */ 218 return(false); 219 } 220 return(true); /* Close the app window */ 221 } 222 virtual void Quit() { 223 if (!IsLocked()) 224 Lock(); 225 BDirectWindow::Quit(); 226 } 227 228 virtual int16 Translate2Unicode(const char *buf) { 229 int32 state, srclen, dstlen; 230 unsigned char destbuf[2]; 231 Uint16 unicode = 0; 232 233 if ((uchar)buf[0] > 127) { 234 state = 0; 235 srclen = SDL_strlen(buf); 236 dstlen = sizeof(destbuf); 237 convert_from_utf8(B_UNICODE_CONVERSION, buf, &srclen, (char *)destbuf, &dstlen, &state); 238 unicode = destbuf[0]; 239 unicode <<= 8; 240 unicode |= destbuf[1]; 241 } else 242 unicode = buf[0]; 243 244 /* For some reason function keys map to control characters */ 245 # define CTRL(X) ((X)-'@') 246 switch (unicode) { 247 case CTRL('A'): 248 case CTRL('B'): 249 case CTRL('C'): 250 case CTRL('D'): 251 case CTRL('E'): 252 case CTRL('K'): 253 case CTRL('L'): 254 case CTRL('P'): 255 if ( ! (SDL_GetModState() & KMOD_CTRL) ) 256 unicode = 0; 257 break; 258 /* Keyboard input maps newline to carriage return */ 259 case '\n': 260 unicode = '\r'; 261 break; 262 default: 263 break; 264 } 265 266 return unicode; 267 } 268 269 virtual void DispatchMessage(BMessage *msg, BHandler *target); 270 271 private: 272 #if SDL_VIDEO_OPENGL 273 BGLView *SDL_GLView; 274 #endif 275 SDL_BView *SDL_View; 276 BView *the_view; 277 bool shown; 278 bool inhibit_resize; 279 int32 last_buttons; 280 }; 281 282 #endif /* _SDL_BWin_h */ 283
