298 lines
9.6 KiB
C++
298 lines
9.6 KiB
C++
/**
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* @file llwindow.h
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* @brief Basic graphical window class
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLWINDOW_H
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#define LL_LLWINDOW_H
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#include "llrect.h"
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#include "llcoord.h"
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#include "llstring.h"
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#include "llcursortypes.h"
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#include "llsd.h"
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class LLSplashScreen;
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class LLWindow;
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class LLPreeditor;
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class LLWindowCallbacks;
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const S32 MIN_WINDOW_WIDTH = 256;
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const S32 MIN_WINDOW_HEIGHT = 256;
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// Refer to llwindow_test in test/common/llwindow for usage example
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class LLWindow : public LLInstanceTracker<LLWindow>
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{
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public:
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struct LLWindowResolution
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{
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S32 mWidth;
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S32 mHeight;
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};
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enum ESwapMethod
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{
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SWAP_METHOD_UNDEFINED,
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SWAP_METHOD_EXCHANGE,
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SWAP_METHOD_COPY
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};
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enum EFlags
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{
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// currently unused
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};
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public:
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virtual void show() = 0;
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virtual void hide() = 0;
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virtual void close() = 0;
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virtual BOOL getVisible() = 0;
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virtual BOOL getMinimized() = 0;
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virtual BOOL getMaximized() = 0;
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virtual BOOL maximize() = 0;
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virtual void minimize() = 0;
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virtual void restore() = 0;
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BOOL getFullscreen() { return mFullscreen; };
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virtual BOOL getPosition(LLCoordScreen *position) = 0;
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virtual BOOL getSize(LLCoordScreen *size) = 0;
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virtual BOOL getSize(LLCoordWindow *size) = 0;
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virtual BOOL setPosition(LLCoordScreen position) = 0;
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BOOL setSize(LLCoordScreen size);
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BOOL setSize(LLCoordWindow size);
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virtual void setMinSize(U32 min_width, U32 min_height, bool enforce_immediately = true);
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virtual BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL) = 0;
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virtual BOOL setCursorPosition(LLCoordWindow position) = 0;
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virtual BOOL getCursorPosition(LLCoordWindow *position) = 0;
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virtual void showCursor() = 0;
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virtual void hideCursor() = 0;
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virtual BOOL isCursorHidden() = 0;
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virtual void showCursorFromMouseMove() = 0;
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virtual void hideCursorUntilMouseMove() = 0;
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// These two functions create a way to make a busy cursor instead
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// of an arrow when someone's busy doing something. Draw an
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// arrow/hour if busycount > 0.
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virtual void incBusyCount();
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virtual void decBusyCount();
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virtual void resetBusyCount();
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virtual S32 getBusyCount() const;
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// Sets cursor, may set to arrow+hourglass
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virtual void setCursor(ECursorType cursor) { mNextCursor = cursor; };
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virtual ECursorType getCursor() const;
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virtual void updateCursor() = 0;
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virtual void captureMouse() = 0;
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virtual void releaseMouse() = 0;
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virtual void setMouseClipping( BOOL b ) = 0;
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virtual BOOL isClipboardTextAvailable() = 0;
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virtual BOOL pasteTextFromClipboard(LLWString &dst) = 0;
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virtual BOOL copyTextToClipboard(const LLWString &src) = 0;
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virtual BOOL isPrimaryTextAvailable();
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virtual BOOL pasteTextFromPrimary(LLWString &dst);
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virtual BOOL copyTextToPrimary(const LLWString &src);
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virtual void flashIcon(F32 seconds) = 0;
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virtual F32 getGamma() = 0;
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virtual BOOL setGamma(const F32 gamma) = 0; // Set the gamma
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virtual void setFSAASamples(const U32 fsaa_samples) = 0; //set number of FSAA samples
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virtual U32 getFSAASamples() = 0;
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virtual BOOL restoreGamma() = 0; // Restore original gamma table (before updating gamma)
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virtual ESwapMethod getSwapMethod() { return mSwapMethod; }
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virtual void processMiscNativeEvents();
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virtual void gatherInput() = 0;
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virtual void delayInputProcessing() = 0;
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virtual void swapBuffers() = 0;
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virtual void bringToFront() = 0;
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virtual void focusClient() { }; // this may not have meaning or be required on other platforms, therefore, it's not abstract
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// handy coordinate space conversion routines
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// NB: screen to window and vice verse won't work on width/height coordinate pairs,
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// as the conversion must take into account left AND right border widths, etc.
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virtual BOOL convertCoords( LLCoordScreen from, LLCoordWindow *to) = 0;
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virtual BOOL convertCoords( LLCoordWindow from, LLCoordScreen *to) = 0;
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virtual BOOL convertCoords( LLCoordWindow from, LLCoordGL *to) = 0;
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virtual BOOL convertCoords( LLCoordGL from, LLCoordWindow *to) = 0;
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virtual BOOL convertCoords( LLCoordScreen from, LLCoordGL *to) = 0;
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virtual BOOL convertCoords( LLCoordGL from, LLCoordScreen *to) = 0;
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// query supported resolutions
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virtual LLWindowResolution* getSupportedResolutions(S32 &num_resolutions) = 0;
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virtual F32 getNativeAspectRatio() = 0;
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virtual F32 getPixelAspectRatio() = 0;
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virtual void setNativeAspectRatio(F32 aspect) = 0;
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virtual void beforeDialog() {}; // prepare to put up an OS dialog (if special measures are required, such as in fullscreen mode)
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virtual void afterDialog() {}; // undo whatever was done in beforeDialog()
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// opens system default color picker, modally
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// Returns TRUE if valid color selected
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virtual BOOL dialogColorPicker(F32 *r, F32 *g, F32 *b);
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// return a platform-specific window reference (HWND on Windows, WindowRef on the Mac, Gtk window on Linux)
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virtual void *getPlatformWindow() = 0;
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// return the platform-specific window reference we use to initialize llmozlib (HWND on Windows, WindowRef on the Mac, Gtk window on Linux)
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virtual void *getMediaWindow();
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// control platform's Language Text Input mechanisms.
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virtual void allowLanguageTextInput(LLPreeditor *preeditor, BOOL b) {}
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virtual void setLanguageTextInput( const LLCoordGL & pos ) {};
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virtual void updateLanguageTextInputArea() {}
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virtual void interruptLanguageTextInput() {}
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virtual void spawnWebBrowser(const std::string& escaped_url, bool async) {};
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virtual void ShellEx(const std::string& command) {};
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static std::vector<std::string> getDynamicFallbackFontList();
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// Provide native key event data
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virtual LLSD getNativeKeyData() { return LLSD::emptyMap(); }
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virtual void setTitle(const std::string &title){};
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protected:
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LLWindow(LLWindowCallbacks* callbacks, BOOL fullscreen, U32 flags);
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virtual ~LLWindow();
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// Defaults to true
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virtual BOOL isValid();
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// Defaults to true
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virtual BOOL canDelete();
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virtual BOOL setSizeImpl(LLCoordScreen size) = 0;
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virtual BOOL setSizeImpl(LLCoordWindow size) = 0;
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protected:
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LLWindowCallbacks* mCallbacks;
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BOOL mPostQuit; // should this window post a quit message when destroyed?
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BOOL mFullscreen;
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S32 mFullscreenWidth;
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S32 mFullscreenHeight;
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S32 mFullscreenBits;
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S32 mFullscreenRefresh;
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LLWindowResolution* mSupportedResolutions;
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S32 mNumSupportedResolutions;
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ECursorType mCurrentCursor;
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ECursorType mNextCursor;
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BOOL mCursorHidden;
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S32 mBusyCount; // how deep is the "cursor busy" stack?
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BOOL mIsMouseClipping; // Is this window currently clipping the mouse
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ESwapMethod mSwapMethod;
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BOOL mHideCursorPermanent;
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U32 mFlags;
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U16 mHighSurrogate;
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S32 mMinWindowWidth;
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S32 mMinWindowHeight;
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// Handle a UTF-16 encoding unit received from keyboard.
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// Converting the series of UTF-16 encoding units to UTF-32 data,
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// this method passes the resulting UTF-32 data to mCallback's
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// handleUnicodeChar. The mask should be that to be passed to the
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// callback. This method uses mHighSurrogate as a dedicated work
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// variable.
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void handleUnicodeUTF16(U16 utf16, MASK mask);
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friend class LLWindowManager;
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};
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// LLSplashScreen
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// A simple, OS-specific splash screen that we can display
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// while initializing the application and before creating a GL
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// window
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class LLSplashScreen
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{
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public:
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LLSplashScreen() { };
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virtual ~LLSplashScreen() { };
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// Call to display the window.
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static LLSplashScreen * create();
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static void show();
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static void hide();
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static void update(const std::string& string);
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static bool isVisible();
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protected:
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// These are overridden by the platform implementation
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virtual void showImpl() = 0;
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virtual void updateImpl(const std::string& string) = 0;
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virtual void hideImpl() = 0;
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static BOOL sVisible;
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};
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// Platform-neutral for accessing the platform specific message box
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S32 OSMessageBox(const std::string& text, const std::string& caption, U32 type);
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const U32 OSMB_OK = 0;
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const U32 OSMB_OKCANCEL = 1;
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const U32 OSMB_YESNO = 2;
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const S32 OSBTN_YES = 0;
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const S32 OSBTN_NO = 1;
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const S32 OSBTN_OK = 2;
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const S32 OSBTN_CANCEL = 3;
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//
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// LLWindowManager
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// Manages window creation and error checking
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class LLWindowManager
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{
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public:
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static LLWindow *createWindow(
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LLWindowCallbacks* callbacks,
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const std::string& title, const std::string& name, S32 x, S32 y, S32 width, S32 height,
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U32 flags = 0,
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BOOL fullscreen = FALSE,
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BOOL clearBg = FALSE,
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BOOL disable_vsync = TRUE,
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BOOL use_gl = TRUE,
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BOOL ignore_pixel_depth = FALSE,
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U32 fsaa_samples = 0);
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static BOOL destroyWindow(LLWindow* window);
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static BOOL isWindowValid(LLWindow *window);
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};
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//
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// helper funcs
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//
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extern BOOL gDebugWindowProc;
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// Protocols, like "http" and "https" we support in URLs
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extern const S32 gURLProtocolWhitelistCount;
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extern const std::string gURLProtocolWhitelist[];
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//extern const std::string gURLProtocolWhitelistHandler[];
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void simpleEscapeString ( std::string& stringIn );
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#endif // _LL_window_h_
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