<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=Windows-1252"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> Hello!</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> ><font size="2"><span style="font-size:11pt" class="ContentPasted0">“From version 7 onwards, the fd must be mapped with MAP_PRIVATE by the<br class="ContentPasted0"> recipient, as MAP_SHARED may fail.”</span></font><br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> Yep, it does the trick, well seen, now all the infos of the keyboard are working.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> <div><span><font size="2"><span style="font-size:11pt" class="ContentPasted1">>I don’t know which wl_shell version you are using, </span></font><br> </span></div> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> <br> </div> <div id="appendonsend"></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> Huh, I did copy the source from:</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> <a href="https://wayland-book.com/seat/example.html" id="LPlnk153073">https://wayland-book.com/seat/example.html</a></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> But I dont know where/who to advice to fix the code of wayland-book.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> Anyway, many thanks Emmanuel for your precious eyes and advices.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> I can continue now the Wayland exploration...</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof ContentPasted2"> Fre;D<br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof"> <br> </div> <hr tabindex="-1" style="display:inline-block; width:98%" class="elementToProof"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size: 11pt; color: rgb(0, 0, 0);" class="elementToProof"><b>De :</b> Fred vS <fiens@hotmail.com><br> <b>Envoyé :</b> mercredi 4 octobre 2023 20:44<br> <b>À :</b> wayland-devel@lists.freedesktop.org <wayland-devel@lists.freedesktop.org><br> <b>Objet :</b> RE: Problem with mmap keyboard.</font> <div> </div> </div> <div dir="ltr"> <div dir="ltr"> <div class="x_x_elementToProof x_elementToProof elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Ho, many thanks Emmanuel.</div> <div class="x_x_elementToProof elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I will deeply study your mail.</div> <div class="x_x_elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> By the way, I am busy to translate all the "steps" demos of the Wayland-book into Pascal:</div> <div class="x_x_elementToProof x_x_ContentPasted0 elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <a href="https://github.com/fredvs/wayland-pascal" data-auth="NotApplicable" id="OWAbf2ff02c-719c-dca8-2b22-13f322d89b76" class="x_x_OWAAutoLink">https://github.com/fredvs/wayland-pascal</a></div> <div class="x_x_elementToProof x_x_ContentPasted0 elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Now, Free Pascal compiler can create nice and working "Pure Wayland applications".</div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Note too that the C demos in Wayland-book have some ommisions in code ( I added the fixes in /src/c).</div> <div class="x_x_elementToProof x_x_ContentPasted1 x_x_ContentPasted2 elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> But for the "Keyboard events" step, I am blocked, the C "Keyboard events" demo in /src/c does not use the key-map, but it works to give the actions of the keys and the number of the keys. The same for the translated Pascal code.</div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> But ok, I will try to make the map-keyboard working thanks to with your advices.</div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Many thanks.</div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof x_x_ContentPasted1 x_x_ContentPasted3 elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Write you later.<br> </div> <div class="x_x_elementToProof x_x_ContentPasted1" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div class="x_x_elementToProof x_x_ContentPasted1 elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Fre;D<br> </div> <div id="x_x_appendonsend"></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size: 11pt; color: rgb(0, 0, 0);"><b>De :</b> Emmanuel Gil Peyrot <linkmauve@linkmauve.fr><br> <b>Envoyé :</b> mercredi 4 octobre 2023 20:28<br> <b>À :</b> Fred vS <fiens@hotmail.com><br> <b>Cc :</b> wayland-devel@lists.freedesktop.org <wayland-devel@lists.freedesktop.org><br> <b>Objet :</b> Re: Problem with mmap keyboard.</font> <div> </div> </div> <div class="x_x_BodyFragment"><font size="2"><span style="font-size:11pt"> <div class="x_x_PlainText elementToProof">On Wed, Oct 04, 2023 at 06:19:30PM +0000, Fred vS wrote:<br> > Hello.<br> <br> Hi,<br> <br> > <br> > <br> > I try to make work the "Keyboard event" step from the Wayland-book but the C demo crash at loading.<br> > <br> > The problem comes from the mapping: with that error:<br> > <br> > <br> > Line 301: wl_keyboard_keymap: Assertion map_shm != MAP_FAILED' failed.<br> > <br> > <br> > Here is the function:<br> > <br> > static void<br> > wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,<br> > uint32_t format, int32_t fd, uint32_t size)<br> > {<br> > struct client_state *client_state = data;<br> > assert(format == WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1);<br> > <br> > // Line 301: Here problem with mapping<br> > char *map_shm = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);<br> <br> We can read in the documentation of this protocol:<br> <a href="https://wayland.app/protocols/wayland#wl_keyboard:event:keymap" data-auth="NotApplicable" id="OWA70aefc67-be2c-5c77-f775-b2479aaaeaed" class="x_OWAAutoLink">https://wayland.app/protocols/wayland#wl_keyboard:event:keymap</a><br> <br> “From version 7 onwards, the fd must be mapped with MAP_PRIVATE by the<br> recipient, as MAP_SHARED may fail.”<br> <br> I don’t know which wl_shell version you are using, but check that maybe.<br> <br> > assert(map_shm != MAP_FAILED);<br> > <br> > struct xkb_keymap *xkb_keymap = xkb_keymap_new_from_string(<br> > client_state->xkb_context, map_shm,<br> > XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);<br> > munmap(map_shm, size);<br> > close(fd);<br> > <br> > struct xkb_state *xkb_state = xkb_state_new(xkb_keymap);<br> > xkb_keymap_unref(client_state->xkb_keymap);<br> > xkb_state_unref(client_state->xkb_state);<br> > client_state->xkb_keymap = xkb_keymap;<br> > client_state->xkb_state = xkb_state;<br> > }<br> > <br> > <br> > <br> > Why does the mapping fails, I did check fd and size and they are correctly assigned?<br> > <br> > <br> > Thanks.<br> > <br> <br> -- <br> Link Mauve<br> </div> </span></font></div> </div> </div> </body> </html>