1 //========================================================================
2 // GLFW 3.5 - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2016 Google Inc.
5 // Copyright (c) 2016-2017 Camilla Löwy <elmindreda@glfw.org>
6 //
7 // This software is provided 'as-is', without any express or implied
8 // warranty. In no event will the authors be held liable for any damages
9 // arising from the use of this software.
10 //
11 // Permission is granted to anyone to use this software for any purpose,
12 // including commercial applications, and to alter it and redistribute it
13 // freely, subject to the following restrictions:
14 //
15 // 1. The origin of this software must not be misrepresented; you must not
16 //    claim that you wrote the original software. If you use this software
17 //    in a product, an acknowledgment in the product documentation would
18 //    be appreciated but is not required.
19 //
20 // 2. Altered source versions must be plainly marked as such, and must not
21 //    be misrepresented as being the original software.
22 //
23 // 3. This notice may not be removed or altered from any source
24 //    distribution.
25 //
26 //========================================================================
27 
28 #include "internal.h"
29 
30 #include <stdlib.h>
31 #include <string.h>
32 
33 
34 //////////////////////////////////////////////////////////////////////////
35 //////                       GLFW platform API                      //////
36 //////////////////////////////////////////////////////////////////////////
37 
_glfwConnectNull(int platformID, _GLFWplatform* platform)38 GLFWbool _glfwConnectNull(int platformID, _GLFWplatform* platform)
39 {
40     const _GLFWplatform null =
41     {
42         .platformID = GLFW_PLATFORM_NULL,
43         .init = _glfwInitNull,
44         .terminate = _glfwTerminateNull,
45         .getCursorPos = _glfwGetCursorPosNull,
46         .setCursorPos = _glfwSetCursorPosNull,
47         .setCursorMode = _glfwSetCursorModeNull,
48         .setRawMouseMotion = _glfwSetRawMouseMotionNull,
49         .rawMouseMotionSupported = _glfwRawMouseMotionSupportedNull,
50         .createCursor = _glfwCreateCursorNull,
51         .createStandardCursor = _glfwCreateStandardCursorNull,
52         .destroyCursor = _glfwDestroyCursorNull,
53         .setCursor = _glfwSetCursorNull,
54         .getScancodeName = _glfwGetScancodeNameNull,
55         .getKeyScancode = _glfwGetKeyScancodeNull,
56         .setClipboardString = _glfwSetClipboardStringNull,
57         .getClipboardString = _glfwGetClipboardStringNull,
58         .initJoysticks = _glfwInitJoysticksNull,
59         .terminateJoysticks = _glfwTerminateJoysticksNull,
60         .pollJoystick = _glfwPollJoystickNull,
61         .getMappingName = _glfwGetMappingNameNull,
62         .updateGamepadGUID = _glfwUpdateGamepadGUIDNull,
63         .freeMonitor = _glfwFreeMonitorNull,
64         .getMonitorPos = _glfwGetMonitorPosNull,
65         .getMonitorContentScale = _glfwGetMonitorContentScaleNull,
66         .getMonitorWorkarea = _glfwGetMonitorWorkareaNull,
67         .getVideoModes = _glfwGetVideoModesNull,
68         .getVideoMode = _glfwGetVideoModeNull,
69         .getGammaRamp = _glfwGetGammaRampNull,
70         .setGammaRamp = _glfwSetGammaRampNull,
71         .createWindow = _glfwCreateWindowNull,
72         .destroyWindow = _glfwDestroyWindowNull,
73         .setWindowTitle = _glfwSetWindowTitleNull,
74         .setWindowIcon = _glfwSetWindowIconNull,
75         .getWindowPos = _glfwGetWindowPosNull,
76         .setWindowPos = _glfwSetWindowPosNull,
77         .getWindowSize = _glfwGetWindowSizeNull,
78         .setWindowSize = _glfwSetWindowSizeNull,
79         .setWindowSizeLimits = _glfwSetWindowSizeLimitsNull,
80         .setWindowAspectRatio = _glfwSetWindowAspectRatioNull,
81         .getFramebufferSize = _glfwGetFramebufferSizeNull,
82         .getWindowFrameSize = _glfwGetWindowFrameSizeNull,
83         .getWindowContentScale = _glfwGetWindowContentScaleNull,
84         .iconifyWindow = _glfwIconifyWindowNull,
85         .restoreWindow = _glfwRestoreWindowNull,
86         .maximizeWindow = _glfwMaximizeWindowNull,
87         .showWindow = _glfwShowWindowNull,
88         .hideWindow = _glfwHideWindowNull,
89         .requestWindowAttention = _glfwRequestWindowAttentionNull,
90         .focusWindow = _glfwFocusWindowNull,
91         .setWindowMonitor = _glfwSetWindowMonitorNull,
92         .windowFocused = _glfwWindowFocusedNull,
93         .windowIconified = _glfwWindowIconifiedNull,
94         .windowVisible = _glfwWindowVisibleNull,
95         .windowMaximized = _glfwWindowMaximizedNull,
96         .windowHovered = _glfwWindowHoveredNull,
97         .framebufferTransparent = _glfwFramebufferTransparentNull,
98         .getWindowOpacity = _glfwGetWindowOpacityNull,
99         .setWindowResizable = _glfwSetWindowResizableNull,
100         .setWindowDecorated = _glfwSetWindowDecoratedNull,
101         .setWindowFloating = _glfwSetWindowFloatingNull,
102         .setWindowOpacity = _glfwSetWindowOpacityNull,
103         .setWindowMousePassthrough = _glfwSetWindowMousePassthroughNull,
104         .pollEvents = _glfwPollEventsNull,
105         .waitEvents = _glfwWaitEventsNull,
106         .waitEventsTimeout = _glfwWaitEventsTimeoutNull,
107         .postEmptyEvent = _glfwPostEmptyEventNull,
108         .getEGLPlatform = _glfwGetEGLPlatformNull,
109         .getEGLNativeDisplay = _glfwGetEGLNativeDisplayNull,
110         .getEGLNativeWindow = _glfwGetEGLNativeWindowNull,
111         .getRequiredInstanceExtensions = _glfwGetRequiredInstanceExtensionsNull,
112         .getPhysicalDevicePresentationSupport = _glfwGetPhysicalDevicePresentationSupportNull,
113         .createWindowSurface = _glfwCreateWindowSurfaceNull
114     };
115 
116     *platform = null;
117     return GLFW_TRUE;
118 }
119 
_glfwInitNull(void)120 int _glfwInitNull(void)
121 {
122     int scancode;
123 
124     memset(_glfw.null.keycodes, -1, sizeof(_glfw.null.keycodes));
125     memset(_glfw.null.scancodes, -1, sizeof(_glfw.null.scancodes));
126 
127     _glfw.null.keycodes[GLFW_NULL_SC_SPACE]         = GLFW_KEY_SPACE;
128     _glfw.null.keycodes[GLFW_NULL_SC_APOSTROPHE]    = GLFW_KEY_APOSTROPHE;
129     _glfw.null.keycodes[GLFW_NULL_SC_COMMA]         = GLFW_KEY_COMMA;
130     _glfw.null.keycodes[GLFW_NULL_SC_MINUS]         = GLFW_KEY_MINUS;
131     _glfw.null.keycodes[GLFW_NULL_SC_PERIOD]        = GLFW_KEY_PERIOD;
132     _glfw.null.keycodes[GLFW_NULL_SC_SLASH]         = GLFW_KEY_SLASH;
133     _glfw.null.keycodes[GLFW_NULL_SC_0]             = GLFW_KEY_0;
134     _glfw.null.keycodes[GLFW_NULL_SC_1]             = GLFW_KEY_1;
135     _glfw.null.keycodes[GLFW_NULL_SC_2]             = GLFW_KEY_2;
136     _glfw.null.keycodes[GLFW_NULL_SC_3]             = GLFW_KEY_3;
137     _glfw.null.keycodes[GLFW_NULL_SC_4]             = GLFW_KEY_4;
138     _glfw.null.keycodes[GLFW_NULL_SC_5]             = GLFW_KEY_5;
139     _glfw.null.keycodes[GLFW_NULL_SC_6]             = GLFW_KEY_6;
140     _glfw.null.keycodes[GLFW_NULL_SC_7]             = GLFW_KEY_7;
141     _glfw.null.keycodes[GLFW_NULL_SC_8]             = GLFW_KEY_8;
142     _glfw.null.keycodes[GLFW_NULL_SC_9]             = GLFW_KEY_9;
143     _glfw.null.keycodes[GLFW_NULL_SC_SEMICOLON]     = GLFW_KEY_SEMICOLON;
144     _glfw.null.keycodes[GLFW_NULL_SC_EQUAL]         = GLFW_KEY_EQUAL;
145     _glfw.null.keycodes[GLFW_NULL_SC_A]             = GLFW_KEY_A;
146     _glfw.null.keycodes[GLFW_NULL_SC_B]             = GLFW_KEY_B;
147     _glfw.null.keycodes[GLFW_NULL_SC_C]             = GLFW_KEY_C;
148     _glfw.null.keycodes[GLFW_NULL_SC_D]             = GLFW_KEY_D;
149     _glfw.null.keycodes[GLFW_NULL_SC_E]             = GLFW_KEY_E;
150     _glfw.null.keycodes[GLFW_NULL_SC_F]             = GLFW_KEY_F;
151     _glfw.null.keycodes[GLFW_NULL_SC_G]             = GLFW_KEY_G;
152     _glfw.null.keycodes[GLFW_NULL_SC_H]             = GLFW_KEY_H;
153     _glfw.null.keycodes[GLFW_NULL_SC_I]             = GLFW_KEY_I;
154     _glfw.null.keycodes[GLFW_NULL_SC_J]             = GLFW_KEY_J;
155     _glfw.null.keycodes[GLFW_NULL_SC_K]             = GLFW_KEY_K;
156     _glfw.null.keycodes[GLFW_NULL_SC_L]             = GLFW_KEY_L;
157     _glfw.null.keycodes[GLFW_NULL_SC_M]             = GLFW_KEY_M;
158     _glfw.null.keycodes[GLFW_NULL_SC_N]             = GLFW_KEY_N;
159     _glfw.null.keycodes[GLFW_NULL_SC_O]             = GLFW_KEY_O;
160     _glfw.null.keycodes[GLFW_NULL_SC_P]             = GLFW_KEY_P;
161     _glfw.null.keycodes[GLFW_NULL_SC_Q]             = GLFW_KEY_Q;
162     _glfw.null.keycodes[GLFW_NULL_SC_R]             = GLFW_KEY_R;
163     _glfw.null.keycodes[GLFW_NULL_SC_S]             = GLFW_KEY_S;
164     _glfw.null.keycodes[GLFW_NULL_SC_T]             = GLFW_KEY_T;
165     _glfw.null.keycodes[GLFW_NULL_SC_U]             = GLFW_KEY_U;
166     _glfw.null.keycodes[GLFW_NULL_SC_V]             = GLFW_KEY_V;
167     _glfw.null.keycodes[GLFW_NULL_SC_W]             = GLFW_KEY_W;
168     _glfw.null.keycodes[GLFW_NULL_SC_X]             = GLFW_KEY_X;
169     _glfw.null.keycodes[GLFW_NULL_SC_Y]             = GLFW_KEY_Y;
170     _glfw.null.keycodes[GLFW_NULL_SC_Z]             = GLFW_KEY_Z;
171     _glfw.null.keycodes[GLFW_NULL_SC_LEFT_BRACKET]  = GLFW_KEY_LEFT_BRACKET;
172     _glfw.null.keycodes[GLFW_NULL_SC_BACKSLASH]     = GLFW_KEY_BACKSLASH;
173     _glfw.null.keycodes[GLFW_NULL_SC_RIGHT_BRACKET] = GLFW_KEY_RIGHT_BRACKET;
174     _glfw.null.keycodes[GLFW_NULL_SC_GRAVE_ACCENT]  = GLFW_KEY_GRAVE_ACCENT;
175     _glfw.null.keycodes[GLFW_NULL_SC_WORLD_1]       = GLFW_KEY_WORLD_1;
176     _glfw.null.keycodes[GLFW_NULL_SC_WORLD_2]       = GLFW_KEY_WORLD_2;
177     _glfw.null.keycodes[GLFW_NULL_SC_ESCAPE]        = GLFW_KEY_ESCAPE;
178     _glfw.null.keycodes[GLFW_NULL_SC_ENTER]         = GLFW_KEY_ENTER;
179     _glfw.null.keycodes[GLFW_NULL_SC_TAB]           = GLFW_KEY_TAB;
180     _glfw.null.keycodes[GLFW_NULL_SC_BACKSPACE]     = GLFW_KEY_BACKSPACE;
181     _glfw.null.keycodes[GLFW_NULL_SC_INSERT]        = GLFW_KEY_INSERT;
182     _glfw.null.keycodes[GLFW_NULL_SC_DELETE]        = GLFW_KEY_DELETE;
183     _glfw.null.keycodes[GLFW_NULL_SC_RIGHT]         = GLFW_KEY_RIGHT;
184     _glfw.null.keycodes[GLFW_NULL_SC_LEFT]          = GLFW_KEY_LEFT;
185     _glfw.null.keycodes[GLFW_NULL_SC_DOWN]          = GLFW_KEY_DOWN;
186     _glfw.null.keycodes[GLFW_NULL_SC_UP]            = GLFW_KEY_UP;
187     _glfw.null.keycodes[GLFW_NULL_SC_PAGE_UP]       = GLFW_KEY_PAGE_UP;
188     _glfw.null.keycodes[GLFW_NULL_SC_PAGE_DOWN]     = GLFW_KEY_PAGE_DOWN;
189     _glfw.null.keycodes[GLFW_NULL_SC_HOME]          = GLFW_KEY_HOME;
190     _glfw.null.keycodes[GLFW_NULL_SC_END]           = GLFW_KEY_END;
191     _glfw.null.keycodes[GLFW_NULL_SC_CAPS_LOCK]     = GLFW_KEY_CAPS_LOCK;
192     _glfw.null.keycodes[GLFW_NULL_SC_SCROLL_LOCK]   = GLFW_KEY_SCROLL_LOCK;
193     _glfw.null.keycodes[GLFW_NULL_SC_NUM_LOCK]      = GLFW_KEY_NUM_LOCK;
194     _glfw.null.keycodes[GLFW_NULL_SC_PRINT_SCREEN]  = GLFW_KEY_PRINT_SCREEN;
195     _glfw.null.keycodes[GLFW_NULL_SC_PAUSE]         = GLFW_KEY_PAUSE;
196     _glfw.null.keycodes[GLFW_NULL_SC_F1]            = GLFW_KEY_F1;
197     _glfw.null.keycodes[GLFW_NULL_SC_F2]            = GLFW_KEY_F2;
198     _glfw.null.keycodes[GLFW_NULL_SC_F3]            = GLFW_KEY_F3;
199     _glfw.null.keycodes[GLFW_NULL_SC_F4]            = GLFW_KEY_F4;
200     _glfw.null.keycodes[GLFW_NULL_SC_F5]            = GLFW_KEY_F5;
201     _glfw.null.keycodes[GLFW_NULL_SC_F6]            = GLFW_KEY_F6;
202     _glfw.null.keycodes[GLFW_NULL_SC_F7]            = GLFW_KEY_F7;
203     _glfw.null.keycodes[GLFW_NULL_SC_F8]            = GLFW_KEY_F8;
204     _glfw.null.keycodes[GLFW_NULL_SC_F9]            = GLFW_KEY_F9;
205     _glfw.null.keycodes[GLFW_NULL_SC_F10]           = GLFW_KEY_F10;
206     _glfw.null.keycodes[GLFW_NULL_SC_F11]           = GLFW_KEY_F11;
207     _glfw.null.keycodes[GLFW_NULL_SC_F12]           = GLFW_KEY_F12;
208     _glfw.null.keycodes[GLFW_NULL_SC_F13]           = GLFW_KEY_F13;
209     _glfw.null.keycodes[GLFW_NULL_SC_F14]           = GLFW_KEY_F14;
210     _glfw.null.keycodes[GLFW_NULL_SC_F15]           = GLFW_KEY_F15;
211     _glfw.null.keycodes[GLFW_NULL_SC_F16]           = GLFW_KEY_F16;
212     _glfw.null.keycodes[GLFW_NULL_SC_F17]           = GLFW_KEY_F17;
213     _glfw.null.keycodes[GLFW_NULL_SC_F18]           = GLFW_KEY_F18;
214     _glfw.null.keycodes[GLFW_NULL_SC_F19]           = GLFW_KEY_F19;
215     _glfw.null.keycodes[GLFW_NULL_SC_F20]           = GLFW_KEY_F20;
216     _glfw.null.keycodes[GLFW_NULL_SC_F21]           = GLFW_KEY_F21;
217     _glfw.null.keycodes[GLFW_NULL_SC_F22]           = GLFW_KEY_F22;
218     _glfw.null.keycodes[GLFW_NULL_SC_F23]           = GLFW_KEY_F23;
219     _glfw.null.keycodes[GLFW_NULL_SC_F24]           = GLFW_KEY_F24;
220     _glfw.null.keycodes[GLFW_NULL_SC_F25]           = GLFW_KEY_F25;
221     _glfw.null.keycodes[GLFW_NULL_SC_KP_0]          = GLFW_KEY_KP_0;
222     _glfw.null.keycodes[GLFW_NULL_SC_KP_1]          = GLFW_KEY_KP_1;
223     _glfw.null.keycodes[GLFW_NULL_SC_KP_2]          = GLFW_KEY_KP_2;
224     _glfw.null.keycodes[GLFW_NULL_SC_KP_3]          = GLFW_KEY_KP_3;
225     _glfw.null.keycodes[GLFW_NULL_SC_KP_4]          = GLFW_KEY_KP_4;
226     _glfw.null.keycodes[GLFW_NULL_SC_KP_5]          = GLFW_KEY_KP_5;
227     _glfw.null.keycodes[GLFW_NULL_SC_KP_6]          = GLFW_KEY_KP_6;
228     _glfw.null.keycodes[GLFW_NULL_SC_KP_7]          = GLFW_KEY_KP_7;
229     _glfw.null.keycodes[GLFW_NULL_SC_KP_8]          = GLFW_KEY_KP_8;
230     _glfw.null.keycodes[GLFW_NULL_SC_KP_9]          = GLFW_KEY_KP_9;
231     _glfw.null.keycodes[GLFW_NULL_SC_KP_DECIMAL]    = GLFW_KEY_KP_DECIMAL;
232     _glfw.null.keycodes[GLFW_NULL_SC_KP_DIVIDE]     = GLFW_KEY_KP_DIVIDE;
233     _glfw.null.keycodes[GLFW_NULL_SC_KP_MULTIPLY]   = GLFW_KEY_KP_MULTIPLY;
234     _glfw.null.keycodes[GLFW_NULL_SC_KP_SUBTRACT]   = GLFW_KEY_KP_SUBTRACT;
235     _glfw.null.keycodes[GLFW_NULL_SC_KP_ADD]        = GLFW_KEY_KP_ADD;
236     _glfw.null.keycodes[GLFW_NULL_SC_KP_ENTER]      = GLFW_KEY_KP_ENTER;
237     _glfw.null.keycodes[GLFW_NULL_SC_KP_EQUAL]      = GLFW_KEY_KP_EQUAL;
238     _glfw.null.keycodes[GLFW_NULL_SC_LEFT_SHIFT]    = GLFW_KEY_LEFT_SHIFT;
239     _glfw.null.keycodes[GLFW_NULL_SC_LEFT_CONTROL]  = GLFW_KEY_LEFT_CONTROL;
240     _glfw.null.keycodes[GLFW_NULL_SC_LEFT_ALT]      = GLFW_KEY_LEFT_ALT;
241     _glfw.null.keycodes[GLFW_NULL_SC_LEFT_SUPER]    = GLFW_KEY_LEFT_SUPER;
242     _glfw.null.keycodes[GLFW_NULL_SC_RIGHT_SHIFT]   = GLFW_KEY_RIGHT_SHIFT;
243     _glfw.null.keycodes[GLFW_NULL_SC_RIGHT_CONTROL] = GLFW_KEY_RIGHT_CONTROL;
244     _glfw.null.keycodes[GLFW_NULL_SC_RIGHT_ALT]     = GLFW_KEY_RIGHT_ALT;
245     _glfw.null.keycodes[GLFW_NULL_SC_RIGHT_SUPER]   = GLFW_KEY_RIGHT_SUPER;
246     _glfw.null.keycodes[GLFW_NULL_SC_MENU]          = GLFW_KEY_MENU;
247 
248     for (scancode = GLFW_NULL_SC_FIRST;  scancode < GLFW_NULL_SC_LAST;  scancode++)
249     {
250         if (_glfw.null.keycodes[scancode] > 0)
251             _glfw.null.scancodes[_glfw.null.keycodes[scancode]] = scancode;
252     }
253 
254     _glfwPollMonitorsNull();
255     return GLFW_TRUE;
256 }
257 
_glfwTerminateNull(void)258 void _glfwTerminateNull(void)
259 {
260     free(_glfw.null.clipboardString);
261     _glfwTerminateOSMesa();
262     _glfwTerminateEGL();
263 }
264 
265