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/**
* @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_LLWINDOWSDL_H
#define LL_LLWINDOWSDL_H
// Simple Directmedia Layer (http://libsdl.org/) implementation of LLWindow class
#include "llwindow.h"
#include "lltimer.h"
#if !defined(__i386__) && !defined(__x86_64__)
#define SDL_DISABLE_IMMINTRIN_H
#endif
#include "SDL2/SDL.h"
#include "SDL2/SDL_endian.h"
#if LL_X11
// 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;
/*virtual*/ 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 enable_vsync, const LLCoordScreen * const posp = NULL) override;
void* createSharedContext() override;
void makeContextCurrent(void* context) override;
void destroySharedContext(void* context) override;
void toggleVSync(bool enable_vsync) 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;
U32 getFSAASamples() override;
void setFSAASamples(const U32 fsaa_samples) override;
BOOL restoreGamma() override;
ESwapMethod getSwapMethod() override { return mSwapMethod; }
void processMiscNativeEvents() override;
void gatherInput() override;
void swapBuffers() override;
/*virtual*/ 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; }
U32 getAvailableVRAMMegabytes() override;
void beforeDialog() override;
void afterDialog() override;
BOOL dialogColorPicker(F32 *r, F32 *g, F32 *b) override;
void *getPlatformWindow() override;
void bringToFront() override;
void spawnWebBrowser(const std::string& escaped_url, bool async) override;
static std::vector<std::string> 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_X11
Window mSDL_XWindowID;
Display *mSDL_Display;
#endif
void (*Lock_Display)(void);
void (*Unlock_Display)(void);
#if LL_GTK
// Lazily initialize and check the runtime GTK version for goodness.
static bool ll_try_gtk_init(void);
#endif // LL_GTK
#if LL_X11
static Window get_SDL_XWindowID(void);
static Display* get_SDL_Display(void);
#endif // LL_X11
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(SDL_Keycode keysym, BOOL gain);
BOOL SDLReallyCaptureInput(BOOL capture);
//
// Platform specific variables
//
U32 mGrabbyKeyFlags;
int mReallyCapturedCount;
SDL_Window * mWindow;
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;
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;
private:
#if LL_X11
void x11_set_urgent(BOOL urgent);
BOOL mFlashing;
LLTimer mFlashTimer;
#endif //LL_X11
U32 mKeyScanCode;
U32 mKeyVirtualKey;
Uint16 mKeyModifiers;
};
class LLSplashScreenSDL : public LLSplashScreen
{
public:
LLSplashScreenSDL();
virtual ~LLSplashScreenSDL();
/*virtual*/ void showImpl();
/*virtual*/ void updateImpl(const std::string& mesg);
/*virtual*/ void hideImpl();
};
S32 OSMessageBoxSDL(const std::string& text, const std::string& caption, U32 type);
#endif //LL_LLWINDOWSDL_H
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