diff options
Diffstat (limited to 'src/xfns.c')
| -rw-r--r-- | src/xfns.c | 349 |
1 files changed, 312 insertions, 37 deletions
diff --git a/src/xfns.c b/src/xfns.c index 528ae61ca32..9e004f6a678 100644 --- a/src/xfns.c +++ b/src/xfns.c @@ -37,13 +37,16 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */ #include "termhooks.h" #include "font.h" +#ifdef HAVE_X_I18N +#include "textconv.h" +#endif + #include <sys/types.h> #include <sys/stat.h> #ifdef USE_XCB #include <xcb/xcb.h> #include <xcb/xproto.h> -#include <xcb/xcb_aux.h> #endif #include "bitmaps/gray.xbm" @@ -1368,7 +1371,7 @@ x_set_mouse_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval) XCreateFontCursor is not a request that waits for a reply, and as such can return IDs that will not actually be used by the server. */ - x_ignore_errors_for_next_request (FRAME_DISPLAY_INFO (f)); + x_ignore_errors_for_next_request (FRAME_DISPLAY_INFO (f), 0); /* Free any successfully created cursors. */ for (i = 0; i < mouse_cursor_max; i++) @@ -2643,12 +2646,18 @@ append_wm_protocols (struct x_display_info *dpyinfo, if (existing) XFree (existing); - if (!found_wm_ping) - protos[num_protos++] = dpyinfo->Xatom_net_wm_ping; + if (!dpyinfo->untrusted) + { + /* Untrusted clients cannot use these protocols which require + communicating with the window manager. */ + + if (!found_wm_ping) + protos[num_protos++] = dpyinfo->Xatom_net_wm_ping; #if !defined HAVE_GTK3 && defined HAVE_XSYNC - if (!found_wm_sync_request && dpyinfo->xsync_supported_p) - protos[num_protos++] = dpyinfo->Xatom_net_wm_sync_request; + if (!found_wm_sync_request && dpyinfo->xsync_supported_p) + protos[num_protos++] = dpyinfo->Xatom_net_wm_sync_request; #endif + } if (num_protos) XChangeProperty (dpyinfo->display, @@ -2666,24 +2675,50 @@ append_wm_protocols (struct x_display_info *dpyinfo, #ifdef HAVE_X_I18N -static void xic_preedit_draw_callback (XIC, XPointer, XIMPreeditDrawCallbackStruct *); -static void xic_preedit_caret_callback (XIC, XPointer, XIMPreeditCaretCallbackStruct *); +static void xic_preedit_draw_callback (XIC, XPointer, + XIMPreeditDrawCallbackStruct *); +static void xic_preedit_caret_callback (XIC, XPointer, + XIMPreeditCaretCallbackStruct *); static void xic_preedit_done_callback (XIC, XPointer, XPointer); static int xic_preedit_start_callback (XIC, XPointer, XPointer); +static void xic_string_conversion_callback (XIC, XPointer, + XIMStringConversionCallbackStruct *); #ifndef HAVE_XICCALLBACK_CALLBACK #define XICCallback XIMCallback #define XICProc XIMProc #endif -static XIMCallback Xxic_preedit_draw_callback = { NULL, - (XIMProc) xic_preedit_draw_callback }; -static XIMCallback Xxic_preedit_caret_callback = { NULL, - (XIMProc) xic_preedit_caret_callback }; -static XIMCallback Xxic_preedit_done_callback = { NULL, - (XIMProc) xic_preedit_done_callback }; -static XICCallback Xxic_preedit_start_callback = { NULL, - (XICProc) xic_preedit_start_callback }; +static XIMCallback Xxic_preedit_draw_callback = + { + NULL, + (XIMProc) xic_preedit_draw_callback, + }; + +static XIMCallback Xxic_preedit_caret_callback = + { + NULL, + (XIMProc) xic_preedit_caret_callback, + }; + +static XIMCallback Xxic_preedit_done_callback = + { + NULL, + (XIMProc) xic_preedit_done_callback, + }; + +static XICCallback Xxic_preedit_start_callback = + { + NULL, + (XICProc) xic_preedit_start_callback, + }; + +static XIMCallback Xxic_string_conversion_callback = + { + /* This is actually an XICCallback! */ + NULL, + (XIMProc) xic_string_conversion_callback, + }; #if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT /* Create an X fontset on frame F with base font name BASE_FONTNAME. */ @@ -3089,6 +3124,8 @@ create_frame_xic (struct frame *f) XNFocusWindow, FRAME_X_WINDOW (f), XNStatusAttributes, status_attr, XNPreeditAttributes, preedit_attr, + XNStringConversionCallback, + &Xxic_string_conversion_callback, NULL); else if (preedit_attr) xic = XCreateIC (xim, @@ -3096,6 +3133,8 @@ create_frame_xic (struct frame *f) XNClientWindow, FRAME_X_WINDOW (f), XNFocusWindow, FRAME_X_WINDOW (f), XNPreeditAttributes, preedit_attr, + XNStringConversionCallback, + &Xxic_string_conversion_callback, NULL); else if (status_attr) xic = XCreateIC (xim, @@ -3103,12 +3142,16 @@ create_frame_xic (struct frame *f) XNClientWindow, FRAME_X_WINDOW (f), XNFocusWindow, FRAME_X_WINDOW (f), XNStatusAttributes, status_attr, + XNStringConversionCallback, + &Xxic_string_conversion_callback, NULL); else xic = XCreateIC (xim, XNInputStyle, xic_style, XNClientWindow, FRAME_X_WINDOW (f), XNFocusWindow, FRAME_X_WINDOW (f), + XNStringConversionCallback, + &Xxic_string_conversion_callback, NULL); if (!xic) @@ -3372,6 +3415,7 @@ struct x_xim_text_conversion_data struct coding_system *coding; char *source; struct x_display_info *dpyinfo; + size_t size; }; static Lisp_Object @@ -3407,6 +3451,38 @@ x_xim_text_to_utf8_unix_1 (ptrdiff_t nargs, Lisp_Object *args) } static Lisp_Object +x_encode_xim_text_1 (ptrdiff_t nargs, Lisp_Object *args) +{ + struct x_xim_text_conversion_data *data; + ptrdiff_t nbytes; + Lisp_Object coding_system; + + data = xmint_pointer (args[0]); + + if (SYMBOLP (Vx_input_coding_system)) + coding_system = Vx_input_coding_system; + else if (!NILP (data->dpyinfo->xim_coding)) + coding_system = data->dpyinfo->xim_coding; + else + coding_system = Vlocale_coding_system; + + nbytes = data->size; + + data->coding->destination = NULL; + + setup_coding_system (coding_system, data->coding); + data->coding->mode |= (CODING_MODE_LAST_BLOCK + | CODING_MODE_SAFE_ENCODING); + data->coding->source = (const unsigned char *) data->source; + data->coding->dst_bytes = 2048; + data->coding->destination = xmalloc (2048); + encode_coding_object (data->coding, Qnil, 0, 0, + nbytes, nbytes, Qnil); + + return Qnil; +} + +static Lisp_Object x_xim_text_to_utf8_unix_2 (Lisp_Object val, ptrdiff_t nargs, Lisp_Object *args) { @@ -3463,6 +3539,46 @@ x_xim_text_to_utf8_unix (struct x_display_info *dpyinfo, return (char *) coding.destination; } +/* Convert SIZE bytes of the specified text from Emacs's internal + coding system to the input method coding system. Return the + result, its byte length in *LENGTH, and its character length in + *CHARS, or NULL. + + The string returned is not NULL terminated. */ + +static char * +x_encode_xim_text (struct x_display_info *dpyinfo, char *text, + size_t size, ptrdiff_t *length, + ptrdiff_t *chars) +{ + struct coding_system coding; + struct x_xim_text_conversion_data data; + Lisp_Object arg; + bool was_waiting_for_input_p; + + data.coding = &coding; + data.source = text; + data.dpyinfo = dpyinfo; + data.size = size; + + was_waiting_for_input_p = waiting_for_input; + /* Otherwise Fsignal will crash. */ + waiting_for_input = false; + + arg = make_mint_ptr (&data); + internal_condition_case_n (x_encode_xim_text_1, 1, &arg, + Qt, x_xim_text_to_utf8_unix_2); + waiting_for_input = was_waiting_for_input_p; + + if (length) + *length = coding.produced; + + if (chars) + *chars = coding.produced_char; + + return (char *) coding.destination; +} + static void xic_preedit_draw_callback (XIC xic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data) @@ -3659,6 +3775,128 @@ xic_set_xfontset (struct frame *f, const char *base_fontname) FRAME_XIC_FONTSET (f) = xfs; } + + +/* String conversion support. See textconv.c for more details. */ + +static void +xic_string_conversion_callback (XIC ic, XPointer client_data, + XIMStringConversionCallbackStruct *call_data) +{ + struct textconv_callback_struct request; + ptrdiff_t length; + struct frame *f; + int rc; + + /* Find the frame associated with this IC. */ + f = x_xic_to_frame (ic); + + if (!f) + goto failure; + + /* Fill in CALL_DATA as early as possible. */ + call_data->text->feedback = NULL; + call_data->text->encoding_is_wchar = False; + + /* Now translate the conversion request to the format understood by + textconv.c. */ + request.position = call_data->position; + + switch (call_data->direction) + { + case XIMForwardChar: + request.direction = TEXTCONV_FORWARD_CHAR; + break; + + case XIMBackwardChar: + request.direction = TEXTCONV_BACKWARD_CHAR; + break; + + case XIMForwardWord: + request.direction = TEXTCONV_FORWARD_WORD; + break; + + case XIMBackwardWord: + request.direction = TEXTCONV_BACKWARD_WORD; + break; + + case XIMCaretUp: + request.direction = TEXTCONV_CARET_UP; + break; + + case XIMCaretDown: + request.direction = TEXTCONV_CARET_DOWN; + break; + + case XIMNextLine: + request.direction = TEXTCONV_NEXT_LINE; + break; + + case XIMPreviousLine: + request.direction = TEXTCONV_PREVIOUS_LINE; + break; + + case XIMLineStart: + request.direction = TEXTCONV_LINE_START; + break; + + case XIMLineEnd: + request.direction = TEXTCONV_LINE_END; + break; + + case XIMAbsolutePosition: + request.direction = TEXTCONV_ABSOLUTE_POSITION; + break; + + default: + goto failure; + } + + /* factor is signed in call_data but is actually a CARD16. */ + request.factor = call_data->factor; + + if (call_data->operation == XIMStringConversionSubstitution) + request.operation = TEXTCONV_SUBSTITUTION; + else + request.operation = TEXTCONV_RETRIEVAL; + + /* Now perform the string conversion. */ + rc = textconv_query (f, &request); + + if (rc) + { + xfree (request.text.text); + goto failure; + } + + /* Encode the text in the locale coding system and give it back to + the input method. */ + request.text.text = NULL; + call_data->text->string.mbs + = x_encode_xim_text (FRAME_DISPLAY_INFO (f), + request.text.text, + request.text.bytes, NULL, + &length); + call_data->text->length = length; + + /* Free the encoded text. This is always set to something + valid. */ + xfree (request.text.text); + + /* Detect failure. */ + if (!call_data->text->string.mbs) + goto failure; + + return; + + failure: + /* Return a string of length 0 using the C library malloc. This + assumes XFree is able to free data allocated with our malloc + wrapper. */ + call_data->text->length = 0; + call_data->text->string.mbs = malloc (0); +} + #endif /* HAVE_X_I18N */ @@ -4736,6 +4974,7 @@ This function is an internal primitive--use `make-frame' instead. */) #endif /* USE_LUCID && USE_TOOLKIT_SCROLL_BARS */ f->output_data.x->white_relief.pixel = -1; f->output_data.x->black_relief.pixel = -1; + f->output_data.x->visibility_state = VisibilityFullyObscured; fset_icon_name (f, gui_display_get_arg (dpyinfo, parms, @@ -5723,13 +5962,13 @@ x_get_net_workarea (struct x_display_info *dpyinfo, XRectangle *rect) = xcb_get_property (dpyinfo->xcb_connection, 0, (xcb_window_t) dpyinfo->root_window, (xcb_atom_t) dpyinfo->Xatom_net_current_desktop, - XCB_ATOM_CARDINAL, 0, 1); + XA_CARDINAL, 0, 1); workarea_cookie = xcb_get_property (dpyinfo->xcb_connection, 0, (xcb_window_t) dpyinfo->root_window, (xcb_atom_t) dpyinfo->Xatom_net_workarea, - XCB_ATOM_CARDINAL, 0, UINT32_MAX); + XA_CARDINAL, 0, UINT32_MAX); reply = xcb_get_property_reply (dpyinfo->xcb_connection, current_desktop_cookie, &error); @@ -5740,7 +5979,7 @@ x_get_net_workarea (struct x_display_info *dpyinfo, XRectangle *rect) else { if (xcb_get_property_value_length (reply) != 4 - || reply->type != XCB_ATOM_CARDINAL || reply->format != 32) + || reply->type != XA_CARDINAL || reply->format != 32) rc = false; else current_workspace = *(uint32_t *) xcb_get_property_value (reply); @@ -5755,7 +5994,7 @@ x_get_net_workarea (struct x_display_info *dpyinfo, XRectangle *rect) free (error), rc = false; else { - if (rc && reply->type == XCB_ATOM_CARDINAL && reply->format == 32 + if (rc && reply->type == XA_CARDINAL && reply->format == 32 && (xcb_get_property_value_length (reply) / sizeof (uint32_t) >= current_workspace + 4)) { @@ -7079,8 +7318,8 @@ that mouse buttons are being held down, such as immediately after a /* Catch errors since interning lots of targets can potentially generate a BadAlloc error. */ x_catch_errors (FRAME_X_DISPLAY (f)); - XInternAtoms (FRAME_X_DISPLAY (f), target_names, - ntargets, False, target_atoms); + x_intern_atoms (FRAME_DISPLAY_INFO (f), target_names, + ntargets, target_atoms); x_check_errors (FRAME_X_DISPLAY (f), "Failed to intern target atoms: %s"); x_uncatch_errors_after_check (); @@ -7377,20 +7616,6 @@ If TERMINAL is omitted or nil, that stands for the selected frame's display. */ return Qnil; } -/* Wait for responses to all X commands issued so far for frame F. */ - -void -x_sync (struct frame *f) -{ - block_input (); -#ifndef USE_XCB - XSync (FRAME_X_DISPLAY (f), False); -#else - xcb_aux_sync (FRAME_DISPLAY_INFO (f)->xcb_connection); -#endif - unblock_input (); -} - /*********************************************************************** Window properties @@ -7484,7 +7709,7 @@ silently ignored. */) elsize = element_format == 32 ? sizeof (long) : element_format >> 3; data = xnmalloc (nelements, elsize); - x_fill_property_data (FRAME_X_DISPLAY (f), value, data, nelements, + x_fill_property_data (FRAME_DISPLAY_INFO (f), value, data, nelements, element_format); } else @@ -9779,6 +10004,53 @@ This should be called from a variable watcher for `x-gtk-use-native-input'. */) return Qnil; } + +#if 0 + +DEFUN ("x-test-string-conversion", Fx_test_string_conversion, + Sx_test_string_conversion, 5, 5, 0, + doc: /* Perform tests on the XIM string conversion support. */) + (Lisp_Object frame, Lisp_Object position, + Lisp_Object direction, Lisp_Object operation, Lisp_Object factor) +{ + struct frame *f; + XIMStringConversionCallbackStruct call_data; + XIMStringConversionText text; + + f = decode_window_system_frame (frame); + + if (!FRAME_XIC (f)) + error ("No XIC on FRAME!"); + + CHECK_FIXNUM (position); + CHECK_FIXNUM (direction); + CHECK_FIXNUM (operation); + CHECK_FIXNUM (factor); + + /* xic_string_conversion_callback (XIC ic, XPointer client_data, + XIMStringConversionCallbackStruct *call_data) */ + + call_data.position = XFIXNUM (position); + call_data.direction = XFIXNUM (direction); + call_data.operation = XFIXNUM (operation); + call_data.factor = XFIXNUM (factor); + call_data.text = &text; + + block_input (); + xic_string_conversion_callback (FRAME_XIC (f), NULL, + &call_data); + unblock_input (); + + /* Place a breakpoint here to inspect TEXT! */ + + while (1) + maybe_quit (); + + return Qnil; +} + +#endif + /*********************************************************************** Initialization @@ -10225,6 +10497,9 @@ eliminated in future versions of Emacs. */); defsubr (&Sx_display_set_last_user_time); defsubr (&Sx_translate_coordinates); defsubr (&Sx_get_modifier_masks); +#if 0 + defsubr (&Sx_test_string_conversion); +#endif tip_timer = Qnil; staticpro (&tip_timer); |