diff options
Diffstat (limited to 'backends/platform/x11/x11.h')
| -rw-r--r-- | backends/platform/x11/x11.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/backends/platform/x11/x11.h b/backends/platform/x11/x11.h new file mode 100644 index 0000000000..ba29bc7eab --- /dev/null +++ b/backends/platform/x11/x11.h @@ -0,0 +1,195 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2001 Ludvig Strigeus + * Copyright (C) 2001-2006 The ScummVM project + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +class OSystem_X11:public OSystem { +public: + OSystem_X11(); + ~OSystem_X11(); + + void initBackend(); + + // Determine whether the backend supports the specified feature. + bool hasFeature(Feature f); + + // En-/disable the specified feature. + void setFeatureState(Feature f, bool enable); + + // Query the state of the specified feature. + bool getFeatureState(Feature f); + + // Retrieve a list of all graphics modes supported by this backend. + const GraphicsMode *getSupportedGraphicsModes() const; + + // Return the ID of the 'default' graphics mode. + int getDefaultGraphicsMode() const; + + // Switch to the specified graphics mode. + bool setGraphicsMode(int mode); + + // Determine which graphics mode is currently active. + int getGraphicsMode() const; + + // Set colors of the palette + void setPalette(const byte *colors, uint start, uint num); + + // Set the size of the video bitmap. + // Typically, 320x200 + void initSize(uint w, uint h); + + // Draw a bitmap to screen. + // The screen will not be updated to reflect the new bitmap + void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h); + + // Update the dirty areas of the screen + void updateScreen(); + + // Either show or hide the mouse cursor + bool showMouse(bool visible); + + // Set the position of the mouse cursor + void set_mouse_pos(int x, int y); + + // Warp the mouse cursor. Where set_mouse_pos() only informs the + // backend of the mouse cursor's current position, this function + // actually moves the cursor to the specified position. + void warpMouse(int x, int y); + + // Set the bitmap that's used when drawing the cursor. + void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor = 255, int cursorTargetScale = 1); + + // Shaking is used in SCUMM. Set current shake position. + void setShakePos(int shake_pos); + + // Get the number of milliseconds since the program was started. + uint32 getMillis(); + + // Delay for a specified amount of milliseconds + void delayMillis(uint msecs); + + // Get the next event. + // Returns true if an event was retrieved. + bool pollEvent(Event &event); + + // Set function that generates samples + bool setSoundCallback(SoundProc proc, void *param); + void clearSoundCallback(); + + // Determine the output sample rate. Audio data provided by the sound + // callback will be played using this rate. + int getOutputSampleRate() const; + + // Quit + void quit(); + + // Add a callback timer + void setTimerCallback(TimerProc callback, int interval); + + // Mutex handling + MutexRef createMutex(); + void lockMutex(MutexRef mutex); + void unlockMutex(MutexRef mutex); + void deleteMutex(MutexRef mutex); + + // Overlay handling for the new menu system + void showOverlay(); + void hideOverlay(); + void clearOverlay(); + void grabOverlay(int16 *, int); + void copyRectToOverlay(const int16 *, int, int, int, int, int); + virtual int16 getHeight(); + virtual int16 getWidth(); + + virtual void grabPalette(byte *colors, uint start, uint num); + + // Set a window caption or any other comparable status display to the + // given value. + void setWindowCaption(const char *caption); + + static OSystem *create(int gfx_mode, bool full_screen); + +private: + typedef struct { + int x, y; + int w, h; + int hot_x, hot_y; + } MouseState; + + typedef struct { + int x, y, w, h; + } DirtyRect; + + enum { + MAX_NUMBER_OF_DIRTY_RECTS = 32 + }; + + void create_empty_cursor(); + void draw_mouse(DirtyRect *dout); + void undraw_mouse(); + void updateScreen_helper(const DirtyRect *d, DirtyRect *dout); + void blit_convert(const DirtyRect *d, uint8 *dst, int pitch); + void blit(const DirtyRect *d, uint16 *dst, int pitch); + + uint8 *_local_fb; + uint16 *_local_fb_overlay; + bool _overlay_visible; + + int _window_width, _window_height; + int _fb_width, _fb_height; + int _scumm_x, _scumm_y; + + uint16 *_palette16; + uint32 *_palette32; + + bool _palette_changed; + Display *_display; + int _screen, _depth; + uint8 _bytesPerPixel; + Window _window; + GC _black_gc; + XImage *_image; + pthread_t _sound_thread; + + struct timeval _start_time; + + int _fake_right_mouse; + int _report_presses; + int _current_shake_pos; + int _new_shake_pos; + DirtyRect _ds[MAX_NUMBER_OF_DIRTY_RECTS]; + int _num_of_dirty_rects; + + MouseState _oldMouseState, _curMouseState; + byte *_ms_buf; + bool _mouse_visible; + bool _mouse_state_changed; + byte _mouseKeycolor; + + uint32 _timer_duration, _timer_next_expiry; + bool _timer_active; + int (*_timer_callback) (int); +}; + +typedef struct { + OSystem::SoundProc sound_proc; + void *param; +} THREAD_PARAM; |