summaryrefslogtreecommitdiff
path: root/indra/llwindow/llwindow.h
blob: 862897a48c995ae8294c905aae94a49c0ded198a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
/** 
 * @file llwindow.h
 * @brief Basic graphical window 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_LLWINDOW_H
#define LL_LLWINDOW_H

#include "llrect.h"
#include "llcoord.h"
#include "llstring.h"
#include "llcursortypes.h"
#include "llinstancetracker.h"
#include "llsd.h"

class LLSplashScreen;
class LLPreeditor;
class LLWindowCallbacks;

// Refer to llwindow_test in test/common/llwindow for usage example

class LLWindow : public LLInstanceTracker<LLWindow>
{
public:

	struct LLWindowResolution
	{
		S32 mWidth;
		S32 mHeight;
	};
	enum ESwapMethod
	{
		SWAP_METHOD_UNDEFINED,
		SWAP_METHOD_EXCHANGE,
		SWAP_METHOD_COPY
	};
	enum EFlags
	{
		// currently unused
	};
public:
	virtual void show() = 0;
	virtual void hide() = 0;
	virtual void close() = 0;
	virtual BOOL getVisible() = 0;
	virtual BOOL getMinimized() = 0;
	virtual BOOL getMaximized() = 0;
	virtual BOOL maximize() = 0;
	virtual void minimize() = 0;
	virtual void restore() = 0;
	BOOL getFullscreen()	{ return mFullscreen; };
	virtual BOOL getPosition(LLCoordScreen *position) = 0;
	virtual BOOL getSize(LLCoordScreen *size) = 0;
	virtual BOOL getSize(LLCoordWindow *size) = 0;
	virtual BOOL setPosition(LLCoordScreen position) = 0;
	BOOL setSize(LLCoordScreen size);
	BOOL setSize(LLCoordWindow size);
	virtual void setMinSize(U32 min_width, U32 min_height, bool enforce_immediately = true);
	virtual BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL enable_vsync, const LLCoordScreen * const posp = NULL) = 0;

    //create a new GL context that shares a namespace with this Window's main GL context and make it current on the current thread
    // returns a pointer to be handed back to destroySharedConext/makeContextCurrent
    virtual void* createSharedContext() = 0;
    //make the given context current on the current thread
    virtual void makeContextCurrent(void* context) = 0;
    //destroy the given context that was retrieved by createSharedContext()
    //Must be called on the same thread that called createSharedContext()
    virtual void destroySharedContext(void* context) = 0;

    virtual void toggleVSync(bool enable_vsync) = 0;

    virtual BOOL setCursorPosition(LLCoordWindow position) = 0;
	virtual BOOL getCursorPosition(LLCoordWindow *position) = 0;
#if LL_WINDOWS
    virtual BOOL getCursorDelta(LLCoordCommon* delta) = 0;
#endif
	virtual void showCursor() = 0;
	virtual void hideCursor() = 0;
	virtual BOOL isCursorHidden() = 0;
	virtual void showCursorFromMouseMove() = 0;
	virtual void hideCursorUntilMouseMove() = 0;

    // Provide a way to set the Viewer window title after the
    // windows has been created. The initial use case for this
    // is described in SL-16102 (update window title with agent 
    // name, location etc. for non-interactive viewer) but it
    // may also be useful in other cases.
    virtual void setTitle(const std::string title);

	// These two functions create a way to make a busy cursor instead
	// of an arrow when someone's busy doing something. Draw an
	// arrow/hour if busycount > 0.
	virtual void incBusyCount();
	virtual void decBusyCount();
	virtual void resetBusyCount();
	virtual S32 getBusyCount() const;

	// Sets cursor, may set to arrow+hourglass
	virtual void setCursor(ECursorType cursor) { mNextCursor = cursor; };
	virtual ECursorType getCursor() const;
	virtual void updateCursor() = 0;

	virtual void captureMouse() = 0;
	virtual void releaseMouse() = 0;
	virtual void setMouseClipping( BOOL b ) = 0;

	virtual BOOL isClipboardTextAvailable() = 0;
	virtual BOOL pasteTextFromClipboard(LLWString &dst) = 0;
	virtual BOOL copyTextToClipboard(const LLWString &src) = 0;

	virtual BOOL isPrimaryTextAvailable();
	virtual BOOL pasteTextFromPrimary(LLWString &dst);
	virtual BOOL copyTextToPrimary(const LLWString &src);
 
	virtual void flashIcon(F32 seconds) = 0;
	virtual F32 getGamma() = 0;
	virtual BOOL setGamma(const F32 gamma) = 0; // Set the gamma
	virtual void setFSAASamples(const U32 fsaa_samples) = 0; //set number of FSAA samples
	virtual U32	 getFSAASamples() = 0;
	virtual BOOL restoreGamma() = 0;			// Restore original gamma table (before updating gamma)
	virtual ESwapMethod getSwapMethod() { return mSwapMethod; }
	virtual void processMiscNativeEvents();
	virtual void gatherInput() = 0;
	virtual void delayInputProcessing() = 0;
	virtual void swapBuffers() = 0;
	virtual void bringToFront() = 0;
	virtual void focusClient() { };		// this may not have meaning or be required on other platforms, therefore, it's not abstract
	virtual void setOldResize(bool oldresize) { };
	// handy coordinate space conversion routines
	// NB: screen to window and vice verse won't work on width/height coordinate pairs,
	// as the conversion must take into account left AND right border widths, etc.
	virtual BOOL convertCoords( LLCoordScreen from, LLCoordWindow *to) = 0;
	virtual BOOL convertCoords( LLCoordWindow from, LLCoordScreen *to) = 0;
	virtual BOOL convertCoords( LLCoordWindow from, LLCoordGL *to) = 0;
	virtual BOOL convertCoords( LLCoordGL from, LLCoordWindow *to) = 0;
	virtual BOOL convertCoords( LLCoordScreen from, LLCoordGL *to) = 0;
	virtual BOOL convertCoords( LLCoordGL from, LLCoordScreen *to) = 0;

	// query supported resolutions
	virtual LLWindowResolution* getSupportedResolutions(S32 &num_resolutions) = 0;
	virtual F32	getNativeAspectRatio() = 0;
	virtual F32 getPixelAspectRatio() = 0;
	virtual void setNativeAspectRatio(F32 aspect) = 0;

	// query VRAM usage
	virtual U32 getAvailableVRAMMegabytes() = 0;

	virtual void beforeDialog() {};	// prepare to put up an OS dialog (if special measures are required, such as in fullscreen mode)
	virtual void afterDialog() {};	// undo whatever was done in beforeDialog()

	// opens system default color picker, modally
	// Returns TRUE if valid color selected
	virtual BOOL dialogColorPicker(F32 *r, F32 *g, F32 *b);

// return a platform-specific window reference (HWND on Windows, WindowRef on the Mac, Gtk window on Linux)
	virtual void *getPlatformWindow() = 0;

// return the platform-specific window reference we use to initialize llmozlib (HWND on Windows, WindowRef on the Mac, Gtk window on Linux)
	virtual void *getMediaWindow();
	
	// control platform's Language Text Input mechanisms.
	virtual void allowLanguageTextInput(LLPreeditor *preeditor, BOOL b) {}
	virtual void setLanguageTextInput( const LLCoordGL & pos ) {};
	virtual void updateLanguageTextInputArea() {}
	virtual void interruptLanguageTextInput() {}
	virtual void spawnWebBrowser(const std::string& escaped_url, bool async) {};

	static std::vector<std::string> getDynamicFallbackFontList();
	
	// Provide native key event data
	virtual LLSD getNativeKeyData() { return LLSD::emptyMap(); }

	// Get system UI size based on DPI (for 96 DPI UI size should be 1.0)
	virtual F32 getSystemUISize() { return 1.0; }

	static std::vector<std::string> getDisplaysResolutionList();

    // windows only DirectInput8 for joysticks
    virtual void* getDirectInput8() { return NULL; };
    virtual bool getInputDevices(U32 device_type_filter, void * devices_callback, void* userdata) { return false; };
protected:
	LLWindow(LLWindowCallbacks* callbacks, BOOL fullscreen, U32 flags);
	virtual ~LLWindow();
	// Defaults to true
	virtual BOOL isValid();
	// Defaults to true
	virtual BOOL canDelete();

	virtual BOOL setSizeImpl(LLCoordScreen size) = 0;
	virtual BOOL setSizeImpl(LLCoordWindow size) = 0;

protected:
	LLWindowCallbacks*	mCallbacks;

	BOOL		mPostQuit;		// should this window post a quit message when destroyed?
	BOOL		mFullscreen;
	S32			mFullscreenWidth;
	S32			mFullscreenHeight;
	S32			mFullscreenBits;
	S32			mFullscreenRefresh;
	LLWindowResolution* mSupportedResolutions;
	S32			mNumSupportedResolutions;
	ECursorType	mCurrentCursor;
	ECursorType	mNextCursor;
	BOOL		mCursorHidden;
	S32			mBusyCount;	// how deep is the "cursor busy" stack?
	BOOL		mIsMouseClipping;  // Is this window currently clipping the mouse
	ESwapMethod mSwapMethod;
	BOOL		mHideCursorPermanent;
	U32			mFlags;
	U16			mHighSurrogate;
	S32			mMinWindowWidth;
	S32			mMinWindowHeight;

 	// Handle a UTF-16 encoding unit received from keyboard.
 	// Converting the series of UTF-16 encoding units to UTF-32 data,
 	// this method passes the resulting UTF-32 data to mCallback's
 	// handleUnicodeChar.  The mask should be that to be passed to the
 	// callback.  This method uses mHighSurrogate as a dedicated work
 	// variable.
	void handleUnicodeUTF16(U16 utf16, MASK mask);

	friend class LLWindowManager;
};


// LLSplashScreen
// A simple, OS-specific splash screen that we can display
// while initializing the application and before creating a GL
// window


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


	// Call to display the window.
	static LLSplashScreen * create();
	static void show();
	static void hide();
	static void update(const std::string& string);

	static bool isVisible();
protected:
	// These are overridden by the platform implementation
	virtual void showImpl() = 0;
	virtual void updateImpl(const std::string& string) = 0;
	virtual void hideImpl() = 0;

	static BOOL sVisible;

};

// Platform-neutral for accessing the platform specific message box
S32 OSMessageBox(const std::string& text, const std::string& caption, U32 type);
const U32 OSMB_OK = 0;
const U32 OSMB_OKCANCEL = 1;
const U32 OSMB_YESNO = 2;

const S32 OSBTN_YES = 0;
const S32 OSBTN_NO = 1;
const S32 OSBTN_OK = 2;
const S32 OSBTN_CANCEL = 3;

//
// LLWindowManager
// Manages window creation and error checking

class LLWindowManager
{
public:
	static LLWindow *createWindow(
		LLWindowCallbacks* callbacks,
		const std::string& title, const std::string& name, S32 x, S32 y, S32 width, S32 height,
		U32 flags = 0,
		BOOL fullscreen = FALSE,
		BOOL clearBg = FALSE,
		BOOL enable_vsync = FALSE,
		BOOL use_gl = TRUE,
		BOOL ignore_pixel_depth = FALSE,
		U32 fsaa_samples = 0,
        U32 max_cores = 0,
        U32 max_vram = 0,
        F32 max_gl_version = 4.6f);
	static BOOL destroyWindow(LLWindow* window);
	static BOOL isWindowValid(LLWindow *window);
};

//
// helper funcs
//
extern BOOL gDebugWindowProc;

// Protocols, like "http" and "https" we support in URLs
extern const S32 gURLProtocolWhitelistCount;
extern const std::string gURLProtocolWhitelist[];
//extern const std::string gURLProtocolWhitelistHandler[];

void simpleEscapeString ( std::string& stringIn  );

#endif // _LL_window_h_