/** * @file llwindowsdl.h * @brief SDL implementation of LLWindow class * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_LLWINDOWSDL2_H #define LL_LLWINDOWSDL2_H // Simple Directmedia Layer (http://libsdl.org/) implementation of LLWindow class #include "llwindow.h" #include "lltimer.h" #include "SDL2/SDL.h" #include "SDL2/SDL_endian.h" #if LL_LINUX // get X11-specific headers for use in low-level stuff like copy-and-paste support #include "SDL2/SDL_syswm.h" #endif // AssertMacros.h does bad things. #include "fix_macros.h" #undef verify #undef require class LLWindowSDL : public LLWindow { public: void show() override; void hide() override; void close() override; BOOL getVisible() override; BOOL getMinimized() override; BOOL getMaximized() override; BOOL maximize() override; void minimize() override; void restore() override; BOOL getFullscreen(); BOOL getPosition(LLCoordScreen *position) override; BOOL getSize(LLCoordScreen *size) override; BOOL getSize(LLCoordWindow *size) override; BOOL setPosition(LLCoordScreen position) override; BOOL setSizeImpl(LLCoordScreen size) override; BOOL setSizeImpl(LLCoordWindow size) override; BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen *const posp = NULL) override; BOOL setCursorPosition(LLCoordWindow position) override; BOOL getCursorPosition(LLCoordWindow *position) override; void showCursor() override; void hideCursor() override; void showCursorFromMouseMove() override; void hideCursorUntilMouseMove() override; BOOL isCursorHidden() override; void updateCursor() override; void captureMouse() override; void releaseMouse() override; void setMouseClipping(BOOL b) override; void setMinSize(U32 min_width, U32 min_height, bool enforce_immediately = true) override; BOOL isClipboardTextAvailable() override; BOOL pasteTextFromClipboard(LLWString &dst) override; BOOL copyTextToClipboard(const LLWString &src) override; BOOL isPrimaryTextAvailable() override; BOOL pasteTextFromPrimary(LLWString &dst) override; BOOL copyTextToPrimary(const LLWString &src) override; void flashIcon(F32 seconds) override; F32 getGamma() override; BOOL setGamma(const F32 gamma) override; // Set the gamma U32 getFSAASamples() override; void setFSAASamples(const U32 samples) override; BOOL restoreGamma() override; // Restore original gamma table (before updating gamma) ESwapMethod getSwapMethod() override { return mSwapMethod; } void processMiscNativeEvents() override; void gatherInput() override; void swapBuffers() override; void restoreGLContext() {}; void delayInputProcessing() override {}; // handy coordinate space conversion routines BOOL convertCoords(LLCoordScreen from, LLCoordWindow *to) override; BOOL convertCoords(LLCoordWindow from, LLCoordScreen *to) override; BOOL convertCoords(LLCoordWindow from, LLCoordGL *to) override; BOOL convertCoords(LLCoordGL from, LLCoordWindow *to) override; BOOL convertCoords(LLCoordScreen from, LLCoordGL *to) override; BOOL convertCoords(LLCoordGL from, LLCoordScreen *to) override; LLWindowResolution *getSupportedResolutions(S32 &num_resolutions) override; F32 getNativeAspectRatio() override; F32 getPixelAspectRatio() override; void setNativeAspectRatio(F32 ratio) override { mOverrideAspectRatio = ratio; } void beforeDialog() override; void afterDialog() override; BOOL dialogColorPicker(F32 *r, F32 *g, F32 *b) override; void *getPlatformWindow() override; void bringToFront() override; void setLanguageTextInput(const LLCoordGL& pos) override; void spawnWebBrowser(const std::string &escaped_url, bool async) override; void openFile(const std::string &file_name); void setTitle(const std::string title) override; static std::vector getDynamicFallbackFontList(); // 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_LINUX Window mSDL_XWindowID; Display *mSDL_Display; #endif void (*Lock_Display)(void); void (*Unlock_Display)(void); #if LL_LINUX static Window get_SDL_XWindowID(void); static Display *get_SDL_Display(void); #endif // LL_LINUX void *createSharedContext() override; void makeContextCurrent(void *context) override; void destroySharedContext(void *context) override; void toggleVSync(bool enable_vsync) override; U32 getAvailableVRAMMegabytes() override; protected: LLWindowSDL(LLWindowCallbacks *callbacks, const std::string &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(); BOOL isValid() override; LLSD getNativeKeyData() override; void initCursors(); void quitCursors(); 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(); 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 std::string &text, const std::string &caption, U32 type); void fixWindowSize(void); U32 SDLCheckGrabbyKeys(U32 keysym, BOOL gain); BOOL SDLReallyCaptureInput(BOOL capture); // // Platform specific variables // U32 mGrabbyKeyFlags; int mReallyCapturedCount; SDL_Window *mWindow; SDL_Surface *mSurface; SDL_GLContext mContext; SDL_Cursor *mSDLCursors[UI_CURSOR_COUNT]; std::string mWindowTitle; double mOriginalAspectRatio; BOOL mNeedsResize; // Constructor figured out the window is too big, it needs a resize. LLCoordScreen mNeedsResizeSize; F32 mOverrideAspectRatio; F32 mGamma; U32 mFSAASamples; int mSDLFlags; int mHaveInputFocus; /* 0=no, 1=yes, else unknown */ int mIsMinimized; /* 0=no, 1=yes, else unknown */ friend class LLWindowManager; private: #if LL_LINUX void x11_set_urgent(BOOL urgent); BOOL mFlashing; LLTimer mFlashTimer; #endif //LL_LINUX U32 mKeyVirtualKey; U32 mKeyModifiers; std::string mInputType; public: #if LL_LINUX static Display *getSDLDisplay(); LLWString const &getPrimaryText() const { return mPrimaryClipboard; } LLWString const &getSecondaryText() const { return mSecondaryClipboard; } void clearPrimaryText() { mPrimaryClipboard.clear(); } void clearSecondaryText() { mSecondaryClipboard.clear(); } private: void tryFindFullscreenSize(int &aWidth, int &aHeight); void initialiseX11Clipboard(); bool getSelectionText(Atom selection, LLWString &text); bool getSelectionText(Atom selection, Atom type, LLWString &text); bool setSelectionText(Atom selection, const LLWString &text); #endif LLWString mPrimaryClipboard; LLWString mSecondaryClipboard; }; class LLSplashScreenSDL : public LLSplashScreen { public: LLSplashScreenSDL(); virtual ~LLSplashScreenSDL(); void showImpl(); void updateImpl(const std::string& mesg); void hideImpl(); }; S32 OSMessageBoxSDL(const std::string& text, const std::string& caption, U32 type); #endif //LL_LLWINDOWSDL_H