| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 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@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 | virtual void DirectConnected(direct_buffer_info *info); |
| 272 | |
| 273 | private: |
| 274 | #if SDL_VIDEO_OPENGL |
| 275 | BGLView *SDL_GLView; |
| 276 | #endif |
| 277 | SDL_BView *SDL_View; |
| 278 | BView *the_view; |
| 279 | bool shown; |
| 280 | bool inhibit_resize; |
| 281 | int32 last_buttons; |
| 282 | }; |
| 283 | |
| 284 | #endif /* _SDL_BWin_h */ |