1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 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 "SDL_opengl.h" 34 #include <be/opengl/GLView.h> 35 #endif 36 #include <support/UTF8.h> 37 38 #include "../../main/beos/SDL_BeApp.h" 39 #include "SDL_events.h" 40 #include "SDL_BView.h" 41 42 extern "C" { 43 #include "../../events/SDL_events_c.h" 44 45 extern int mouse_relative; 46 }; 47 48 class SDL_BWin : public BDirectWindow 49 { 50 public: 51 SDL_BWin(BRect bounds) : 52 BDirectWindow(bounds, "Untitled", B_TITLED_WINDOW, 0) { 53 last_buttons = 0; 54 the_view = NULL; 55 #if SDL_VIDEO_OPENGL 56 SDL_GLView = NULL; 57 #endif 58 SDL_View = NULL; 59 Unlock(); 60 shown = false; 61 inhibit_resize = false; 62 } 63 64 virtual ~SDL_BWin() { 65 Lock(); 66 if ( the_view ) { 67 #if SDL_VIDEO_OPENGL 68 if ( the_view == SDL_GLView ) { 69 SDL_GLView->UnlockGL(); 70 } 71 #endif 72 RemoveChild(the_view); 73 the_view = NULL; 74 } 75 Unlock(); 76 #if SDL_VIDEO_OPENGL 77 if ( SDL_GLView ) { 78 delete SDL_GLView; 79 } 80 #endif 81 if ( SDL_View ) { 82 delete SDL_View; 83 } 84 } 85 86 87 /* Override the Show() method so we can tell when we've been shown */ 88 virtual void Show(void) { 89 BWindow::Show(); 90 shown = true; 91 } 92 virtual bool Shown(void) { 93 return (shown); 94 } 95 /* If called, the next resize event will not be forwarded to SDL. */ 96 virtual void InhibitResize(void) { 97 inhibit_resize=true; 98 } 99 /* Handle resizing of the window */ 100 virtual void FrameResized(float width, float height) { 101 if(inhibit_resize) 102 inhibit_resize = false; 103 else 104 SDL_PrivateResize((int)width, (int)height); 105 } 106 virtual int CreateView(Uint32 flags, Uint32 gl_flags) { 107 int retval; 108 109 retval = 0; 110 Lock(); 111 if ( flags & SDL_OPENGL ) { 112 #if SDL_VIDEO_OPENGL 113 if ( SDL_GLView == NULL ) { 114 SDL_GLView = new BGLView(Bounds(), "SDL GLView", 115 B_FOLLOW_ALL_SIDES, (B_WILL_DRAW|B_FRAME_EVENTS), 116 gl_flags|BGL_DOUBLE); 117 SDL_GLView->EnableDirectMode(true); 118 } 119 if ( the_view != SDL_GLView ) { 120 if ( the_view ) { 121 RemoveChild(the_view); 122 } 123 AddChild(SDL_GLView); 124 SDL_GLView->LockGL(); 125 the_view = SDL_GLView; 126 } 127 #else 128 SDL_SetError("OpenGL support not enabled"); 129 retval = -1; 130 #endif 131 } else { 132 if ( SDL_View == NULL ) { 133 SDL_View = new SDL_BView(Bounds()); 134 } 135 if ( the_view != SDL_View ) { 136 if ( the_view ) { 137 RemoveChild(the_view); 138 } 139 AddChild(SDL_View); 140 the_view = SDL_View; 141 } 142 } 143 #if SDL_VIDEO_OPENGL 144 if ( the_view == SDL_GLView ) { 145 SDL_GLView->UnlockGL(); 146 } 147 #endif 148 Unlock(); 149 return(retval); 150 } 151 virtual void SetBitmap(BBitmap *bitmap) { 152 SDL_View->SetBitmap(bitmap); 153 } 154 virtual void SetXYOffset(int x, int y) { 155 #if SDL_VIDEO_OPENGL 156 if ( the_view == SDL_GLView ) { 157 return; 158 } 159 #endif 160 SDL_View->SetXYOffset(x, y); 161 } 162 virtual void GetXYOffset(int &x, int &y) { 163 #if SDL_VIDEO_OPENGL 164 if ( the_view == SDL_GLView ) { 165 x = 0; 166 y = 0; 167 return; 168 } 169 #endif 170 SDL_View->GetXYOffset(x, y); 171 } 172 virtual void GetXYOffset(float &x, float &y) { 173 #if SDL_VIDEO_OPENGL 174 if ( the_view == SDL_GLView ) { 175 x = 0.0f; 176 y = 0.0f; 177 return; 178 } 179 #endif 180 SDL_View->GetXYOffset(x, y); 181 } 182 virtual bool BeginDraw(void) { 183 return(Lock()); 184 } 185 virtual void DrawAsync(BRect updateRect) { 186 SDL_View->DrawAsync(updateRect); 187 } 188 virtual void EndDraw(void) { 189 SDL_View->Sync(); 190 Unlock(); 191 } 192 #if SDL_VIDEO_OPENGL 193 virtual void SwapBuffers(void) { 194 SDL_GLView->UnlockGL(); 195 SDL_GLView->SwapBuffers(); 196 SDL_GLView->LockGL(); 197 } 198 #endif 199 virtual BView *View(void) { 200 return(the_view); 201 } 202 203 /* Hook functions -- overridden */ 204 virtual void Minimize(bool minimize) { 205 /* This is only called when mimimized, not when restored */ 206 //SDL_PrivateAppActive(minimize, SDL_APPACTIVE); 207 BWindow::Minimize(minimize); 208 } 209 virtual void WindowActivated(bool active) { 210 SDL_PrivateAppActive(active, SDL_APPINPUTFOCUS); 211 } 212 virtual bool QuitRequested(void) { 213 if ( SDL_BeAppActive > 0 ) { 214 SDL_PrivateQuit(); 215 /* We don't ever actually close the window here because 216 the application should respond to the quit request, 217 or ignore it as desired. 218 */ 219 #if SDL_VIDEO_OPENGL 220 if ( SDL_GLView != NULL ) { 221 SDL_GLView->EnableDirectMode(false); 222 } 223 #endif 224 return(false); 225 } 226 return(true); /* Close the app window */ 227 } 228 virtual void Quit() { 229 if (!IsLocked()) 230 Lock(); 231 BDirectWindow::Quit(); 232 } 233 234 virtual int16 Translate2Unicode(const char *buf) { 235 int32 state, srclen, dstlen; 236 unsigned char destbuf[2]; 237 Uint16 unicode = 0; 238 239 if ((uchar)buf[0] > 127) { 240 state = 0; 241 srclen = SDL_strlen(buf); 242 dstlen = sizeof(destbuf); 243 convert_from_utf8(B_UNICODE_CONVERSION, buf, &srclen, (char *)destbuf, &dstlen, &state); 244 unicode = destbuf[0]; 245 unicode <<= 8; 246 unicode |= destbuf[1]; 247 } else 248 unicode = buf[0]; 249 250 /* For some reason function keys map to control characters */ 251 # define CTRL(X) ((X)-'@') 252 switch (unicode) { 253 case CTRL('A'): 254 case CTRL('B'): 255 case CTRL('C'): 256 case CTRL('D'): 257 case CTRL('E'): 258 case CTRL('K'): 259 case CTRL('L'): 260 case CTRL('P'): 261 if ( ! (SDL_GetModState() & KMOD_CTRL) ) 262 unicode = 0; 263 break; 264 /* Keyboard input maps newline to carriage return */ 265 case '\n': 266 unicode = '\r'; 267 break; 268 default: 269 break; 270 } 271 272 return unicode; 273 } 274 275 virtual void DispatchMessage(BMessage *msg, BHandler *target); 276 277 virtual void DirectConnected(direct_buffer_info *info); 278 279 private: 280 #if SDL_VIDEO_OPENGL 281 BGLView *SDL_GLView; 282 #endif 283 SDL_BView *SDL_View; 284 BView *the_view; 285 bool shown; 286 bool inhibit_resize; 287 int32 last_buttons; 288 }; 289 290 #endif /* _SDL_BWin_h */ 291
