1 //========================================================================
2 // GLFW 3.3 Wayland - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
5 //
6 // This software is provided 'as-is', without any express or implied
7 // warranty. In no event will the authors be held liable for any damages
8 // arising from the use of this software.
9 //
10 // Permission is granted to anyone to use this software for any purpose,
11 // including commercial applications, and to alter it and redistribute it
12 // freely, subject to the following restrictions:
13 //
14 // 1. The origin of this software must not be misrepresented; you must not
15 //    claim that you wrote the original software. If you use this software
16 //    in a product, an acknowledgment in the product documentation would
17 //    be appreciated but is not required.
18 //
19 // 2. Altered source versions must be plainly marked as such, and must not
20 //    be misrepresented as being the original software.
21 //
22 // 3. This notice may not be removed or altered from any source
23 //    distribution.
24 //
25 //========================================================================
26 
27 #include <wayland-client.h>
28 #include <xkbcommon/xkbcommon.h>
29 #ifdef HAVE_XKBCOMMON_COMPOSE_H
30 #include <xkbcommon/xkbcommon-compose.h>
31 #endif
32 #include <dlfcn.h>
33 
34 typedef VkFlags VkWaylandSurfaceCreateFlagsKHR;
35 
36 typedef struct VkWaylandSurfaceCreateInfoKHR
37 {
38     VkStructureType                 sType;
39     const void*                     pNext;
40     VkWaylandSurfaceCreateFlagsKHR  flags;
41     struct wl_display*              display;
42     struct wl_surface*              surface;
43 } VkWaylandSurfaceCreateInfoKHR;
44 
45 typedef VkResult (APIENTRY *PFN_vkCreateWaylandSurfaceKHR)(VkInstance,const VkWaylandSurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
46 typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR)(VkPhysicalDevice,uint32_t,struct wl_display*);
47 
48 #include "posix_thread.h"
49 #include "posix_time.h"
50 #ifdef __linux__
51 #include "linux_joystick.h"
52 #else
53 #include "null_joystick.h"
54 #endif
55 #include "xkb_unicode.h"
56 #include "egl_context.h"
57 #include "osmesa_context.h"
58 
59 #include "wayland-xdg-shell-client-protocol.h"
60 #include "wayland-xdg-decoration-client-protocol.h"
61 #include "wayland-viewporter-client-protocol.h"
62 #include "wayland-relative-pointer-unstable-v1-client-protocol.h"
63 #include "wayland-pointer-constraints-unstable-v1-client-protocol.h"
64 #include "wayland-idle-inhibit-unstable-v1-client-protocol.h"
65 
66 #define _glfw_dlopen(name) dlopen(name, RTLD_LAZY | RTLD_LOCAL)
67 #define _glfw_dlclose(handle) dlclose(handle)
68 #define _glfw_dlsym(handle, name) dlsym(handle, name)
69 
70 #define _GLFW_EGL_NATIVE_WINDOW         ((EGLNativeWindowType) window->wl.native)
71 #define _GLFW_EGL_NATIVE_DISPLAY        ((EGLNativeDisplayType) _glfw.wl.display)
72 
73 #define _GLFW_PLATFORM_WINDOW_STATE         _GLFWwindowWayland  wl
74 #define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryWayland wl
75 #define _GLFW_PLATFORM_MONITOR_STATE        _GLFWmonitorWayland wl
76 #define _GLFW_PLATFORM_CURSOR_STATE         _GLFWcursorWayland  wl
77 
78 #define _GLFW_PLATFORM_CONTEXT_STATE
79 #define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE
80 
81 struct wl_cursor_image {
82     uint32_t width;
83     uint32_t height;
84     uint32_t hotspot_x;
85     uint32_t hotspot_y;
86     uint32_t delay;
87 };
88 struct wl_cursor {
89     unsigned int image_count;
90     struct wl_cursor_image** images;
91     char* name;
92 };
93 typedef struct wl_cursor_theme* (* PFN_wl_cursor_theme_load)(const char*, int, struct wl_shm*);
94 typedef void (* PFN_wl_cursor_theme_destroy)(struct wl_cursor_theme*);
95 typedef struct wl_cursor* (* PFN_wl_cursor_theme_get_cursor)(struct wl_cursor_theme*, const char*);
96 typedef struct wl_buffer* (* PFN_wl_cursor_image_get_buffer)(struct wl_cursor_image*);
97 #define wl_cursor_theme_load _glfw.wl.cursor.theme_load
98 #define wl_cursor_theme_destroy _glfw.wl.cursor.theme_destroy
99 #define wl_cursor_theme_get_cursor _glfw.wl.cursor.theme_get_cursor
100 #define wl_cursor_image_get_buffer _glfw.wl.cursor.image_get_buffer
101 
102 typedef struct wl_egl_window* (* PFN_wl_egl_window_create)(struct wl_surface*, int, int);
103 typedef void (* PFN_wl_egl_window_destroy)(struct wl_egl_window*);
104 typedef void (* PFN_wl_egl_window_resize)(struct wl_egl_window*, int, int, int, int);
105 #define wl_egl_window_create _glfw.wl.egl.window_create
106 #define wl_egl_window_destroy _glfw.wl.egl.window_destroy
107 #define wl_egl_window_resize _glfw.wl.egl.window_resize
108 
109 typedef struct xkb_context* (* PFN_xkb_context_new)(enum xkb_context_flags);
110 typedef void (* PFN_xkb_context_unref)(struct xkb_context*);
111 typedef struct xkb_keymap* (* PFN_xkb_keymap_new_from_string)(struct xkb_context*, const char*, enum xkb_keymap_format, enum xkb_keymap_compile_flags);
112 typedef void (* PFN_xkb_keymap_unref)(struct xkb_keymap*);
113 typedef xkb_mod_index_t (* PFN_xkb_keymap_mod_get_index)(struct xkb_keymap*, const char*);
114 typedef int (* PFN_xkb_keymap_key_repeats)(struct xkb_keymap*, xkb_keycode_t);
115 typedef struct xkb_state* (* PFN_xkb_state_new)(struct xkb_keymap*);
116 typedef void (* PFN_xkb_state_unref)(struct xkb_state*);
117 typedef int (* PFN_xkb_state_key_get_syms)(struct xkb_state*, xkb_keycode_t, const xkb_keysym_t**);
118 typedef enum xkb_state_component (* PFN_xkb_state_update_mask)(struct xkb_state*, xkb_mod_mask_t, xkb_mod_mask_t, xkb_mod_mask_t, xkb_layout_index_t, xkb_layout_index_t, xkb_layout_index_t);
119 typedef xkb_mod_mask_t (* PFN_xkb_state_serialize_mods)(struct xkb_state*, enum xkb_state_component);
120 #define xkb_context_new _glfw.wl.xkb.context_new
121 #define xkb_context_unref _glfw.wl.xkb.context_unref
122 #define xkb_keymap_new_from_string _glfw.wl.xkb.keymap_new_from_string
123 #define xkb_keymap_unref _glfw.wl.xkb.keymap_unref
124 #define xkb_keymap_mod_get_index _glfw.wl.xkb.keymap_mod_get_index
125 #define xkb_keymap_key_repeats _glfw.wl.xkb.keymap_key_repeats
126 #define xkb_state_new _glfw.wl.xkb.state_new
127 #define xkb_state_unref _glfw.wl.xkb.state_unref
128 #define xkb_state_key_get_syms _glfw.wl.xkb.state_key_get_syms
129 #define xkb_state_update_mask _glfw.wl.xkb.state_update_mask
130 #define xkb_state_serialize_mods _glfw.wl.xkb.state_serialize_mods
131 
132 #ifdef HAVE_XKBCOMMON_COMPOSE_H
133 typedef struct xkb_compose_table* (* PFN_xkb_compose_table_new_from_locale)(struct xkb_context*, const char*, enum xkb_compose_compile_flags);
134 typedef void (* PFN_xkb_compose_table_unref)(struct xkb_compose_table*);
135 typedef struct xkb_compose_state* (* PFN_xkb_compose_state_new)(struct xkb_compose_table*, enum xkb_compose_state_flags);
136 typedef void (* PFN_xkb_compose_state_unref)(struct xkb_compose_state*);
137 typedef enum xkb_compose_feed_result (* PFN_xkb_compose_state_feed)(struct xkb_compose_state*, xkb_keysym_t);
138 typedef enum xkb_compose_status (* PFN_xkb_compose_state_get_status)(struct xkb_compose_state*);
139 typedef xkb_keysym_t (* PFN_xkb_compose_state_get_one_sym)(struct xkb_compose_state*);
140 #define xkb_compose_table_new_from_locale _glfw.wl.xkb.compose_table_new_from_locale
141 #define xkb_compose_table_unref _glfw.wl.xkb.compose_table_unref
142 #define xkb_compose_state_new _glfw.wl.xkb.compose_state_new
143 #define xkb_compose_state_unref _glfw.wl.xkb.compose_state_unref
144 #define xkb_compose_state_feed _glfw.wl.xkb.compose_state_feed
145 #define xkb_compose_state_get_status _glfw.wl.xkb.compose_state_get_status
146 #define xkb_compose_state_get_one_sym _glfw.wl.xkb.compose_state_get_one_sym
147 #endif
148 
149 #define _GLFW_DECORATION_WIDTH 4
150 #define _GLFW_DECORATION_TOP 24
151 #define _GLFW_DECORATION_VERTICAL (_GLFW_DECORATION_TOP + _GLFW_DECORATION_WIDTH)
152 #define _GLFW_DECORATION_HORIZONTAL (2 * _GLFW_DECORATION_WIDTH)
153 
154 typedef enum _GLFWdecorationSideWayland
155 {
156     mainWindow,
157     topDecoration,
158     leftDecoration,
159     rightDecoration,
160     bottomDecoration,
161 
162 } _GLFWdecorationSideWayland;
163 
164 typedef struct _GLFWdecorationWayland
165 {
166     struct wl_surface*          surface;
167     struct wl_subsurface*       subsurface;
168     struct wp_viewport*         viewport;
169 
170 } _GLFWdecorationWayland;
171 
172 // Wayland-specific per-window data
173 //
174 typedef struct _GLFWwindowWayland
175 {
176     int                         width, height;
177     GLFWbool                    visible;
178     GLFWbool                    maximized;
179     GLFWbool                    hovered;
180     GLFWbool                    transparent;
181     struct wl_surface*          surface;
182     struct wl_egl_window*       native;
183     struct wl_shell_surface*    shellSurface;
184     struct wl_callback*         callback;
185 
186     struct {
187         struct xdg_surface*     surface;
188         struct xdg_toplevel*    toplevel;
189         struct zxdg_toplevel_decoration_v1* decoration;
190     } xdg;
191 
192     _GLFWcursor*                currentCursor;
193     double                      cursorPosX, cursorPosY;
194 
195     char*                       title;
196 
197     // We need to track the monitors the window spans on to calculate the
198     // optimal scaling factor.
199     int                         scale;
200     _GLFWmonitor**              monitors;
201     int                         monitorsCount;
202     int                         monitorsSize;
203 
204     struct {
205         struct zwp_relative_pointer_v1*    relativePointer;
206         struct zwp_locked_pointer_v1*      lockedPointer;
207     } pointerLock;
208 
209     struct zwp_idle_inhibitor_v1*          idleInhibitor;
210 
211     GLFWbool                    wasFullscreen;
212 
213     struct {
214         GLFWbool                           serverSide;
215         struct wl_buffer*                  buffer;
216         _GLFWdecorationWayland             top, left, right, bottom;
217         int                                focus;
218     } decorations;
219 
220 } _GLFWwindowWayland;
221 
222 // Wayland-specific global data
223 //
224 typedef struct _GLFWlibraryWayland
225 {
226     struct wl_display*          display;
227     struct wl_registry*         registry;
228     struct wl_compositor*       compositor;
229     struct wl_subcompositor*    subcompositor;
230     struct wl_shell*            shell;
231     struct wl_shm*              shm;
232     struct wl_seat*             seat;
233     struct wl_pointer*          pointer;
234     struct wl_keyboard*         keyboard;
235     struct wl_data_device_manager*          dataDeviceManager;
236     struct wl_data_device*      dataDevice;
237     struct wl_data_offer*       dataOffer;
238     struct wl_data_source*      dataSource;
239     struct xdg_wm_base*         wmBase;
240     struct zxdg_decoration_manager_v1*      decorationManager;
241     struct wp_viewporter*       viewporter;
242     struct zwp_relative_pointer_manager_v1* relativePointerManager;
243     struct zwp_pointer_constraints_v1*      pointerConstraints;
244     struct zwp_idle_inhibit_manager_v1*     idleInhibitManager;
245 
246     int                         compositorVersion;
247     int                         seatVersion;
248 
249     struct wl_cursor_theme*     cursorTheme;
250     struct wl_cursor_theme*     cursorThemeHiDPI;
251     struct wl_surface*          cursorSurface;
252     int                         cursorTimerfd;
253     uint32_t                    serial;
254 
255     int32_t                     keyboardRepeatRate;
256     int32_t                     keyboardRepeatDelay;
257     int                         keyboardLastKey;
258     int                         keyboardLastScancode;
259     char*                       clipboardString;
260     size_t                      clipboardSize;
261     char*                       clipboardSendString;
262     size_t                      clipboardSendSize;
263     int                         timerfd;
264     short int                   keycodes[256];
265     short int                   scancodes[GLFW_KEY_LAST + 1];
266 
267     struct {
268         void*                   handle;
269         struct xkb_context*     context;
270         struct xkb_keymap*      keymap;
271         struct xkb_state*       state;
272 
273 #ifdef HAVE_XKBCOMMON_COMPOSE_H
274         struct xkb_compose_state* composeState;
275 #endif
276 
277         xkb_mod_mask_t          controlMask;
278         xkb_mod_mask_t          altMask;
279         xkb_mod_mask_t          shiftMask;
280         xkb_mod_mask_t          superMask;
281         xkb_mod_mask_t          capsLockMask;
282         xkb_mod_mask_t          numLockMask;
283         unsigned int            modifiers;
284 
285         PFN_xkb_context_new context_new;
286         PFN_xkb_context_unref context_unref;
287         PFN_xkb_keymap_new_from_string keymap_new_from_string;
288         PFN_xkb_keymap_unref keymap_unref;
289         PFN_xkb_keymap_mod_get_index keymap_mod_get_index;
290         PFN_xkb_keymap_key_repeats keymap_key_repeats;
291         PFN_xkb_state_new state_new;
292         PFN_xkb_state_unref state_unref;
293         PFN_xkb_state_key_get_syms state_key_get_syms;
294         PFN_xkb_state_update_mask state_update_mask;
295         PFN_xkb_state_serialize_mods state_serialize_mods;
296 
297 #ifdef HAVE_XKBCOMMON_COMPOSE_H
298         PFN_xkb_compose_table_new_from_locale compose_table_new_from_locale;
299         PFN_xkb_compose_table_unref compose_table_unref;
300         PFN_xkb_compose_state_new compose_state_new;
301         PFN_xkb_compose_state_unref compose_state_unref;
302         PFN_xkb_compose_state_feed compose_state_feed;
303         PFN_xkb_compose_state_get_status compose_state_get_status;
304         PFN_xkb_compose_state_get_one_sym compose_state_get_one_sym;
305 #endif
306     } xkb;
307 
308     _GLFWwindow*                pointerFocus;
309     _GLFWwindow*                keyboardFocus;
310 
311     struct {
312         void*                   handle;
313 
314         PFN_wl_cursor_theme_load theme_load;
315         PFN_wl_cursor_theme_destroy theme_destroy;
316         PFN_wl_cursor_theme_get_cursor theme_get_cursor;
317         PFN_wl_cursor_image_get_buffer image_get_buffer;
318     } cursor;
319 
320     struct {
321         void*                   handle;
322 
323         PFN_wl_egl_window_create window_create;
324         PFN_wl_egl_window_destroy window_destroy;
325         PFN_wl_egl_window_resize window_resize;
326     } egl;
327 
328 } _GLFWlibraryWayland;
329 
330 // Wayland-specific per-monitor data
331 //
332 typedef struct _GLFWmonitorWayland
333 {
334     struct wl_output*           output;
335     int                         name;
336     int                         currentMode;
337 
338     int                         x;
339     int                         y;
340     int                         scale;
341 
342 } _GLFWmonitorWayland;
343 
344 // Wayland-specific per-cursor data
345 //
346 typedef struct _GLFWcursorWayland
347 {
348     struct wl_cursor*           cursor;
349     struct wl_cursor*           cursorHiDPI;
350     struct wl_buffer*           buffer;
351     int                         width, height;
352     int                         xhot, yhot;
353     int                         currentImage;
354 } _GLFWcursorWayland;
355 
356 
357 void _glfwAddOutputWayland(uint32_t name, uint32_t version);
358 
359