llwindowsdl.h

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#ifndef LL_LLWINDOWSDL_H
#define LL_LLWINDOWSDL_H

// Simple Directmedia Layer (http://libsdl.org/) implementation of LLWindow class

#include "llwindow.h"

#include "SDL/SDL.h"
#include "SDL/SDL_endian.h"

#if LL_X11
// get X11-specific headers for use in low-level stuff like copy-and-paste support
#include "SDL/SDL_syswm.h"
#endif

// AssertMacros.h does bad things.
#undef verify
#undef check
#undef require


class LLWindowSDL : public LLWindow
{
public:
        /*virtual*/ void show();
        /*virtual*/ void hide();
        /*virtual*/ void close();
        /*virtual*/ BOOL getVisible();
        /*virtual*/ BOOL getMinimized();
        /*virtual*/ BOOL getMaximized();
        /*virtual*/ BOOL maximize();
        /*virtual*/ BOOL getFullscreen();
        /*virtual*/ BOOL getPosition(LLCoordScreen *position);
        /*virtual*/ BOOL getSize(LLCoordScreen *size);
        /*virtual*/ BOOL getSize(LLCoordWindow *size);
        /*virtual*/ BOOL setPosition(LLCoordScreen position);
        /*virtual*/ BOOL setSize(LLCoordScreen size);
        /*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL);
        /*virtual*/ BOOL setCursorPosition(LLCoordWindow position);
        /*virtual*/ BOOL getCursorPosition(LLCoordWindow *position);
        /*virtual*/ void showCursor();
        /*virtual*/ void hideCursor();
        /*virtual*/ void showCursorFromMouseMove();
        /*virtual*/ void hideCursorUntilMouseMove();
        /*virtual*/ BOOL isCursorHidden();
        /*virtual*/ void setCursor(ECursorType cursor);
        /*virtual*/ ECursorType getCursor();
        /*virtual*/ void captureMouse();
        /*virtual*/ void releaseMouse();
        /*virtual*/ void setMouseClipping( BOOL b );
        /*virtual*/ BOOL isClipboardTextAvailable();
        /*virtual*/ BOOL pasteTextFromClipboard(LLWString &dst);
        /*virtual*/ BOOL copyTextToClipboard(const LLWString & src);
        /*virtual*/ void flashIcon(F32 seconds);
        /*virtual*/ F32 getGamma();
        /*virtual*/ BOOL setGamma(const F32 gamma); // Set the gamma
        /*virtual*/ U32 getFSAASamples();
        /*virtual*/ void setFSAASamples(const U32 samples);
        /*virtual*/ BOOL restoreGamma();                        // Restore original gamma table (before updating gamma)
        /*virtual*/ ESwapMethod getSwapMethod() { return mSwapMethod; }
        /*virtual*/ void gatherInput();
        /*virtual*/ void swapBuffers();

        /*virtual*/ LLString getTempFileName();
        /*virtual*/ void deleteFile( const char* file_name );
        /*virtual*/ S32 stat( const char* file_name, struct stat* stat_info );
        /*virtual*/ BOOL sendEmail(const char* address,const char* subject,const char* body_text,const char* attachment=NULL, const char* attachment_displayed_name=NULL);

    /*virtual*/ void delayInputProcessing() { };

        // handy coordinate space conversion routines
        /*virtual*/ BOOL convertCoords(LLCoordScreen from, LLCoordWindow *to);
        /*virtual*/ BOOL convertCoords(LLCoordWindow from, LLCoordScreen *to);
        /*virtual*/ BOOL convertCoords(LLCoordWindow from, LLCoordGL *to);
        /*virtual*/ BOOL convertCoords(LLCoordGL from, LLCoordWindow *to);
        /*virtual*/ BOOL convertCoords(LLCoordScreen from, LLCoordGL *to);
        /*virtual*/ BOOL convertCoords(LLCoordGL from, LLCoordScreen *to);

        /*virtual*/ LLWindowResolution* getSupportedResolutions(S32 &num_resolutions);
        /*virtual*/ F32 getNativeAspectRatio();
        /*virtual*/ F32 getPixelAspectRatio();
        /*virtual*/ void setNativeAspectRatio(F32 ratio) { mOverrideAspectRatio = ratio; }

        /*virtual*/ void beforeDialog();
        /*virtual*/ void afterDialog();

        /*virtual*/ BOOL dialog_color_picker(F32 *r, F32 *g, F32 *b);

        /*virtual*/ void *getPlatformWindow();
        /*virtual*/ void bringToFront();

        static std::string getFontListSans();

        // Not great that these are public, but they have to be accessible
        // by non-class code and it's better than making them global.
#if LL_X11
        // These are set up by the X11 clipboard initialization code
        Window mSDL_XWindowID;
        Display *mSDL_Display;
#endif
        void (*Lock_Display)(void);
        void (*Unlock_Display)(void);

protected:
        LLWindowSDL(
                char *title, int x, int y, int width, int height, U32 flags,
                BOOL fullscreen, BOOL clearBg, BOOL disable_vsync, BOOL use_gl,
                BOOL ignore_pixel_depth, U32 fsaa_samples);
        ~LLWindowSDL();

        void    initCursors();
        void    quitCursors();
        BOOL    isValid();
        void    moveWindow(const LLCoordScreen& position,const LLCoordScreen& size);


        // Changes display resolution. Returns true if successful
        BOOL    setDisplayResolution(S32 width, S32 height, S32 bits, S32 refresh);

        // Go back to last fullscreen display resolution.
        BOOL    setFullscreenResolution();

        void    minimize();
        void    restore();

        BOOL    shouldPostQuit() { return mPostQuit; }

protected:
        //
        // Platform specific methods
        //

        // create or re-create the GL context/window.  Called from the constructor and switchContext().
        BOOL createContext(int x, int y, int width, int height, int bits, BOOL fullscreen, BOOL disable_vsync);
        void destroyContext();
        void setupFailure(const char* text, const char* caption, U32 type);
        void adjustCursorDecouple(bool warpingMouse = false);
        void fixWindowSize(void);
        U32 SDLCheckGrabbyKeys(SDLKey keysym, BOOL gain);
        BOOL SDLReallyCaptureInput(BOOL capture);

        //
        // Platform specific variables
        //
        U32             mGrabbyKeyFlags;
        int                     mReallyCapturedCount;
        SDL_Surface *   mWindow;
        char *          mWindowTitle;
        double          mOriginalAspectRatio;
        BOOL            mCursorDecoupled;
        S32                     mCursorLastEventDeltaX;
        S32                     mCursorLastEventDeltaY;
        BOOL            mCursorIgnoreNextDelta;
        BOOL            mNeedsResize;           // Constructor figured out the window is too big, it needs a resize.
        LLCoordScreen   mNeedsResizeSize;
        F32                     mOverrideAspectRatio;
        F32             mGamma;
        U32             mFSAASamples;

        int             mSDLFlags;

        SDL_Cursor*     mSDLCursors[UI_CURSOR_COUNT];
        int             mHaveInputFocus; /* 0=no, 1=yes, else unknown */
        int             mIsMinimized; /* 0=no, 1=yes, else unknown */

        friend class LLWindowManager;

#if LL_X11
private:
        // more X11 clipboard stuff
        int init_x11clipboard(void);
        void quit_x11clipboard(void);
        int is_empty_x11clipboard(void);
        void put_x11clipboard(int type, int srclen, const char *src);
        void get_x11clipboard(int type, int *dstlen, char **dst);
        void x11_set_urgent(BOOL urgent);
        BOOL mFlashing;
        LLTimer mFlashTimer;
#endif //LL_X11

        
};


class LLSplashScreenSDL : public LLSplashScreen
{
public:
        LLSplashScreenSDL();
        virtual ~LLSplashScreenSDL();

        /*virtual*/ void showImpl();
        /*virtual*/ void updateImpl(const char* mesg);
        /*virtual*/ void hideImpl();
};

S32 OSMessageBoxSDL(const char* text, const char* caption, U32 type);

void load_url_external(const char* url);

#if LL_GTK
// Lazily initialize and check the runtime GTK version for goodness.
BOOL ll_try_gtk_init(void);
#endif // LL_GTK

#if LL_X11
Window get_SDL_XWindowID(void);
Display* get_SDL_Display(void);
#endif // LL_X11

#endif //LL_LLWINDOWSDL_H

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