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/**
* @file llwindowheadless.h
* @brief Headless definition 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_LLWINDOWHEADLESS_H
#define LL_LLWINDOWHEADLESS_H
#include "llwindow.h"
class LLWindowHeadless : public LLWindow
{
public:
/*virtual*/ void show() override {}
/*virtual*/ void hide() override {}
/*virtual*/ void close() override {}
/*virtual*/ bool getVisible() override {return false;}
/*virtual*/ bool getMinimized() override {return false;}
/*virtual*/ bool getMaximized() override {return false;}
/*virtual*/ bool maximize() override {return false;}
/*virtual*/ void minimize() override {}
/*virtual*/ void restore() override {}
// TODO: LLWindow::getFullscreen() is (intentionally?) NOT virtual.
// Apparently the coder of LLWindowHeadless didn't realize that. Is it a
// mistake to shadow the base-class method with an LLWindowHeadless
// override when called on the subclass, yet call the base-class method
// when indirecting through a polymorphic pointer or reference?
bool getFullscreen() {return false;}
/*virtual*/ bool getPosition(LLCoordScreen *position) override {return false;}
/*virtual*/ bool getSize(LLCoordScreen *size) override {return false;}
/*virtual*/ bool getSize(LLCoordWindow *size) override {return false;}
/*virtual*/ bool setPosition(LLCoordScreen position) override {return false;}
/*virtual*/ bool setSizeImpl(LLCoordScreen size) override {return false;}
/*virtual*/ bool setSizeImpl(LLCoordWindow size) override {return false;}
/*virtual*/ bool switchContext(bool fullscreen, const LLCoordScreen &size, bool enable_vsync, const LLCoordScreen * const posp = NULL) override {return false;}
void* createSharedContext() override { return nullptr; }
void makeContextCurrent(void*) override {}
void destroySharedContext(void*) override {}
/*virtual*/ void toggleVSync(bool enable_vsync) override { }
/*virtual*/ bool setCursorPosition(LLCoordWindow position) override {return false;}
/*virtual*/ bool getCursorPosition(LLCoordWindow *position) override {return false;}
#if LL_WINDOWS
/*virtual*/ bool getCursorDelta(LLCoordCommon* delta) override { return false; }
#endif
/*virtual*/ void showCursor() override {}
/*virtual*/ void hideCursor() override {}
/*virtual*/ void showCursorFromMouseMove() override {}
/*virtual*/ void hideCursorUntilMouseMove() override {}
/*virtual*/ bool isCursorHidden() override {return false;}
/*virtual*/ void updateCursor() override {}
//virtual ECursorType getCursor() override { return mCurrentCursor; }
/*virtual*/ void captureMouse() override {}
/*virtual*/ void releaseMouse() override {}
/*virtual*/ void setMouseClipping( bool b ) override {}
/*virtual*/ bool isClipboardTextAvailable() override {return false; }
/*virtual*/ bool pasteTextFromClipboard(LLWString &dst) override {return false; }
/*virtual*/ bool copyTextToClipboard(const LLWString &src) override {return false; }
/*virtual*/ void flashIcon(F32 seconds) override {}
/*virtual*/ F32 getGamma() override {return 1.0f; }
/*virtual*/ bool setGamma(const F32 gamma) override {return false; } // Set the gamma
/*virtual*/ void setFSAASamples(const U32 fsaa_samples) override { }
/*virtual*/ U32 getFSAASamples() override { return 0; }
/*virtual*/ bool restoreGamma() override {return false; } // Restore original gamma table (before updating gamma)
//virtual ESwapMethod getSwapMethod() override { return mSwapMethod; }
/*virtual*/ void gatherInput() override {}
/*virtual*/ void delayInputProcessing() override {}
/*virtual*/ void swapBuffers() override;
// handy coordinate space conversion routines
/*virtual*/ bool convertCoords(LLCoordScreen from, LLCoordWindow *to) override { return false; }
/*virtual*/ bool convertCoords(LLCoordWindow from, LLCoordScreen *to) override { return false; }
/*virtual*/ bool convertCoords(LLCoordWindow from, LLCoordGL *to) override { return false; }
/*virtual*/ bool convertCoords(LLCoordGL from, LLCoordWindow *to) override { return false; }
/*virtual*/ bool convertCoords(LLCoordScreen from, LLCoordGL *to) override { return false; }
/*virtual*/ bool convertCoords(LLCoordGL from, LLCoordScreen *to) override { return false; }
/*virtual*/ LLWindowResolution* getSupportedResolutions(S32 &num_resolutions) override { return NULL; }
/*virtual*/ F32 getNativeAspectRatio() override { return 1.0f; }
/*virtual*/ F32 getPixelAspectRatio() override { return 1.0f; }
/*virtual*/ void setNativeAspectRatio(F32 ratio) override {}
/*virtual*/ void *getPlatformWindow() override { return 0; }
/*virtual*/ void bringToFront() override {}
LLWindowHeadless(LLWindowCallbacks* callbacks,
const std::string& title, const std::string& name,
S32 x, S32 y,
S32 width, S32 height,
U32 flags, bool fullscreen, bool clear_background,
bool enable_vsync, bool use_gl, bool ignore_pixel_depth);
virtual ~LLWindowHeadless();
private:
};
class LLSplashScreenHeadless : public LLSplashScreen
{
public:
LLSplashScreenHeadless() {}
virtual ~LLSplashScreenHeadless() {}
/*virtual*/ void showImpl() override {}
/*virtual*/ void updateImpl(const std::string& mesg) override {}
/*virtual*/ void hideImpl() override {}
};
#endif //LL_LLWINDOWHEADLESS_H
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