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1 //========================================================================
2 // GLFW 3.2 X11 - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2002-2006 Marcus Geelnard
5 // Copyright (c) 2006-2016 Camilla Berglund <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 #ifndef _glfw3_x11_platform_h_
29 #define _glfw3_x11_platform_h_
30 
31 #include <unistd.h>
32 #include <signal.h>
33 #include <stdint.h>
34 #include <dlfcn.h>
35 
36 #include <X11/Xlib.h>
37 #include <X11/keysym.h>
38 #include <X11/Xatom.h>
39 #include <X11/Xcursor/Xcursor.h>
40 
41 // The XRandR extension provides mode setting and gamma control
42 #include <X11/extensions/Xrandr.h>
43 
44 // The Xkb extension provides improved keyboard support
45 #include <X11/XKBlib.h>
46 
47 // The Xinerama extension provides legacy monitor indices
48 #include <X11/extensions/Xinerama.h>
49 
50 #if defined(_GLFW_HAS_XF86VM)
51  // The Xf86VidMode extension provides fallback gamma control
52  #include <X11/extensions/xf86vmode.h>
53 #endif
54 
55 typedef XID xcb_window_t;
56 typedef XID xcb_visualid_t;
57 typedef struct xcb_connection_t xcb_connection_t;
58 typedef xcb_connection_t* (* XGETXCBCONNECTION_T)(Display*);
59 
60 typedef VkFlags VkXlibSurfaceCreateFlagsKHR;
61 typedef VkFlags VkXcbSurfaceCreateFlagsKHR;
62 
63 typedef struct VkXlibSurfaceCreateInfoKHR
64 {
65     VkStructureType             sType;
66     const void*                 pNext;
67     VkXlibSurfaceCreateFlagsKHR flags;
68     Display*                    dpy;
69     Window                      window;
70 } VkXlibSurfaceCreateInfoKHR;
71 
72 typedef struct VkXcbSurfaceCreateInfoKHR
73 {
74     VkStructureType             sType;
75     const void*                 pNext;
76     VkXcbSurfaceCreateFlagsKHR  flags;
77     xcb_connection_t*           connection;
78     xcb_window_t                window;
79 } VkXcbSurfaceCreateInfoKHR;
80 
81 typedef VkResult (APIENTRY *PFN_vkCreateXlibSurfaceKHR)(VkInstance,const VkXlibSurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
82 typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR)(VkPhysicalDevice,uint32_t,Display*,VisualID);
83 typedef VkResult (APIENTRY *PFN_vkCreateXcbSurfaceKHR)(VkInstance,const VkXcbSurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
84 typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)(VkPhysicalDevice,uint32_t,xcb_connection_t*,xcb_visualid_t);
85 
86 #include "posix_tls.h"
87 #include "posix_time.h"
88 #include "linux_joystick.h"
89 #include "xkb_unicode.h"
90 #include "glx_context.h"
91 #include "egl_context.h"
92 
93 #define _glfw_dlopen(name) dlopen(name, RTLD_LAZY | RTLD_LOCAL)
94 #define _glfw_dlclose(handle) dlclose(handle)
95 #define _glfw_dlsym(handle, name) dlsym(handle, name)
96 
97 #define _GLFW_EGL_NATIVE_WINDOW  ((EGLNativeWindowType) window->x11.handle)
98 #define _GLFW_EGL_NATIVE_DISPLAY ((EGLNativeDisplayType) _glfw.x11.display)
99 
100 #define _GLFW_PLATFORM_WINDOW_STATE         _GLFWwindowX11  x11
101 #define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 x11
102 #define _GLFW_PLATFORM_MONITOR_STATE        _GLFWmonitorX11 x11
103 #define _GLFW_PLATFORM_CURSOR_STATE         _GLFWcursorX11  x11
104 
105 
106 // X11-specific per-window data
107 //
108 typedef struct _GLFWwindowX11
109 {
110     Colormap        colormap;
111     Window          handle;
112     XIC             ic;
113 
114     GLFWbool        overrideRedirect;
115 
116     // Cached position and size used to filter out duplicate events
117     int             width, height;
118     int             xpos, ypos;
119 
120     // The last received cursor position, regardless of source
121     int             lastCursorPosX, lastCursorPosY;
122     // The last position the cursor was warped to by GLFW
123     int             warpCursorPosX, warpCursorPosY;
124 
125     // The information from the last KeyPress event
126     unsigned int    lastKeyCode;
127     Time            lastKeyTime;
128 
129 } _GLFWwindowX11;
130 
131 // X11-specific global data
132 //
133 typedef struct _GLFWlibraryX11
134 {
135     Display*        display;
136     int             screen;
137     Window          root;
138 
139     // Invisible cursor for hidden cursor mode
140     Cursor          cursor;
141     // Context for mapping window XIDs to _GLFWwindow pointers
142     XContext        context;
143     // XIM input method
144     XIM             im;
145     // Most recent error code received by X error handler
146     int             errorCode;
147     // Clipboard string (while the selection is owned)
148     char*           clipboardString;
149     // Key name string
150     char            keyName[64];
151     // X11 keycode to GLFW key LUT
152     short int       publicKeys[256];
153     // GLFW key to X11 keycode LUT
154     short int       nativeKeys[GLFW_KEY_LAST + 1];
155     // Where to place the cursor when re-enabled
156     double          restoreCursorPosX, restoreCursorPosY;
157     // The window whose disabled cursor mode is active
158     _GLFWwindow*    disabledCursorWindow;
159 
160     // Window manager atoms
161     Atom            WM_PROTOCOLS;
162     Atom            WM_STATE;
163     Atom            WM_DELETE_WINDOW;
164     Atom            NET_WM_NAME;
165     Atom            NET_WM_ICON_NAME;
166     Atom            NET_WM_ICON;
167     Atom            NET_WM_PID;
168     Atom            NET_WM_PING;
169     Atom            NET_WM_WINDOW_TYPE;
170     Atom            NET_WM_WINDOW_TYPE_NORMAL;
171     Atom            NET_WM_STATE;
172     Atom            NET_WM_STATE_ABOVE;
173     Atom            NET_WM_STATE_FULLSCREEN;
174     Atom            NET_WM_STATE_MAXIMIZED_VERT;
175     Atom            NET_WM_STATE_MAXIMIZED_HORZ;
176     Atom            NET_WM_BYPASS_COMPOSITOR;
177     Atom            NET_WM_FULLSCREEN_MONITORS;
178     Atom            NET_ACTIVE_WINDOW;
179     Atom            NET_FRAME_EXTENTS;
180     Atom            NET_REQUEST_FRAME_EXTENTS;
181     Atom            MOTIF_WM_HINTS;
182 
183     // Xdnd (drag and drop) atoms
184     Atom            XdndAware;
185     Atom            XdndEnter;
186     Atom            XdndPosition;
187     Atom            XdndStatus;
188     Atom            XdndActionCopy;
189     Atom            XdndDrop;
190     Atom            XdndLeave;
191     Atom            XdndFinished;
192     Atom            XdndSelection;
193 
194     // Selection (clipboard) atoms
195     Atom            TARGETS;
196     Atom            MULTIPLE;
197     Atom            CLIPBOARD;
198     Atom            CLIPBOARD_MANAGER;
199     Atom            SAVE_TARGETS;
200     Atom            NULL_;
201     Atom            UTF8_STRING;
202     Atom            COMPOUND_STRING;
203     Atom            ATOM_PAIR;
204     Atom            GLFW_SELECTION;
205 
206     struct {
207         GLFWbool    available;
208         int         eventBase;
209         int         errorBase;
210         int         major;
211         int         minor;
212         GLFWbool    gammaBroken;
213         GLFWbool    monitorBroken;
214     } randr;
215 
216     struct {
217         GLFWbool    available;
218         GLFWbool    detectable;
219         int         majorOpcode;
220         int         eventBase;
221         int         errorBase;
222         int         major;
223         int         minor;
224     } xkb;
225 
226     struct {
227         int         count;
228         int         timeout;
229         int         interval;
230         int         blanking;
231         int         exposure;
232     } saver;
233 
234     struct {
235         Window      source;
236     } xdnd;
237 
238     struct {
239         GLFWbool    available;
240         int         major;
241         int         minor;
242     } xinerama;
243 
244     struct {
245         void*       handle;
246         XGETXCBCONNECTION_T XGetXCBConnection;
247     } x11xcb;
248 
249 #if defined(_GLFW_HAS_XF86VM)
250     struct {
251         GLFWbool    available;
252         int         eventBase;
253         int         errorBase;
254     } vidmode;
255 #endif /*_GLFW_HAS_XF86VM*/
256 
257 } _GLFWlibraryX11;
258 
259 // X11-specific per-monitor data
260 //
261 typedef struct _GLFWmonitorX11
262 {
263     RROutput        output;
264     RRCrtc          crtc;
265     RRMode          oldMode;
266 
267     // Index of corresponding Xinerama screen,
268     // for EWMH full screen window placement
269     int             index;
270 
271 } _GLFWmonitorX11;
272 
273 // X11-specific per-cursor data
274 //
275 typedef struct _GLFWcursorX11
276 {
277     Cursor handle;
278 
279 } _GLFWcursorX11;
280 
281 
282 GLFWbool _glfwSetVideoModeX11(_GLFWmonitor* monitor, const GLFWvidmode* desired);
283 void _glfwRestoreVideoModeX11(_GLFWmonitor* monitor);
284 
285 Cursor _glfwCreateCursorX11(const GLFWimage* image, int xhot, int yhot);
286 
287 unsigned long _glfwGetWindowPropertyX11(Window window,
288                                         Atom property,
289                                         Atom type,
290                                         unsigned char** value);
291 
292 void _glfwGrabErrorHandlerX11(void);
293 void _glfwReleaseErrorHandlerX11(void);
294 void _glfwInputErrorX11(int error, const char* message);
295 
296 #endif // _glfw3_x11_platform_h_
297