/*- * Copyright (c) 1999 Kazutaka YOKOTA * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer as * the first lines of this file unmodified. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: src/sys/dev/syscons/scmouse.c,v 1.12.2.3 2001/07/28 12:51:47 yokota Exp $ */ #include "opt_syscons.h" #include #include #include #include #include #include #include #include #include #include #include "syscons.h" #ifdef SC_TWOBUTTON_MOUSE #define SC_MOUSE_PASTEBUTTON MOUSE_BUTTON3DOWN /* right button */ #define SC_MOUSE_EXTENDBUTTON MOUSE_BUTTON2DOWN /* not really used */ #else #define SC_MOUSE_PASTEBUTTON MOUSE_BUTTON2DOWN /* middle button */ #define SC_MOUSE_EXTENDBUTTON MOUSE_BUTTON3DOWN /* right button */ #endif /* SC_TWOBUTTON_MOUSE */ #define SC_WAKEUP_DELTA 20 #ifndef SC_NO_SYSMOUSE static int cut_buffer_size; static u_char *cut_buffer; /* local functions */ static void sc_mouse_init(void *); static void sc_mouse_uninit(void *); static void set_mouse_pos(scr_stat *scp); #ifndef SC_NO_CUTPASTE static int skip_spc_right(scr_stat *scp, int p); static int skip_spc_left(scr_stat *scp, int p); static void mouse_cut(scr_stat *scp); static void mouse_cut_start(scr_stat *scp); static void mouse_cut_end(scr_stat *scp); static void mouse_cut_word(scr_stat *scp); static void mouse_cut_line(scr_stat *scp); static void mouse_cut_extend(scr_stat *scp); static void mouse_paste(scr_stat *scp); #endif /* SC_NO_CUTPASTE */ static struct lwkt_token scmouse_tok = LWKT_TOKEN_INITIALIZER(scmouse_tok); #ifndef SC_NO_CUTPASTE /* allocate a cut buffer */ void sc_alloc_cut_buffer(scr_stat *scp, int wait) { u_char *p; if ((cut_buffer == NULL) || (cut_buffer_size < scp->xsize * scp->ysize + 1)) { p = cut_buffer; cut_buffer = NULL; if (p != NULL) kfree(p, M_SYSCONS); cut_buffer_size = scp->xsize * scp->ysize + 1; p = kmalloc(cut_buffer_size, M_SYSCONS, (wait) ? M_WAITOK : M_NOWAIT); if (p != NULL) p[0] = '\0'; cut_buffer = p; } } #endif /* SC_NO_CUTPASTE */ /* move mouse */ void sc_mouse_move(scr_stat *scp, int x, int y) { crit_enter(); scp->mouse_xpos = scp->mouse_oldxpos = x; scp->mouse_ypos = scp->mouse_oldypos = y; if (scp->font_height <= 0) scp->mouse_pos = scp->mouse_oldpos = 0; else scp->mouse_pos = scp->mouse_oldpos = (y / scp->font_height - scp->yoff) * scp->xsize + x / scp->font_width - scp->xoff; scp->status |= MOUSE_MOVED; crit_exit(); } /* adjust mouse position */ static void set_mouse_pos(scr_stat *scp) { if (scp->mouse_xpos < scp->xoff * scp->font_width) scp->mouse_xpos = scp->xoff * scp->font_width; if (scp->mouse_ypos < scp->yoff * scp->font_height) scp->mouse_ypos = scp->yoff * scp->font_height; if (ISGRAPHSC(scp)) { if (scp->mouse_xpos > scp->xpixel - 1) scp->mouse_xpos = scp->xpixel - 1; if (scp->mouse_ypos > scp->ypixel - 1) scp->mouse_ypos = scp->ypixel - 1; return; } else { if (scp->mouse_xpos > (scp->xsize + scp->xoff) * scp->font_width - 1) scp->mouse_xpos = (scp->xsize + scp->xoff) * scp->font_width - 1; if (scp->mouse_ypos > (scp->ysize + scp->yoff) * scp->font_height - 1) scp->mouse_ypos = (scp->ysize + scp->yoff) * scp->font_height - 1; } if (scp->mouse_xpos != scp->mouse_oldxpos || scp->mouse_ypos != scp->mouse_oldypos) { scp->status |= MOUSE_MOVED; scp->mouse_pos = (scp->mouse_ypos / scp->font_height - scp->yoff) * scp->xsize + scp->mouse_xpos / scp->font_width - scp->xoff; #ifndef SC_NO_CUTPASTE if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) mouse_cut(scp); #endif } } #ifndef SC_NO_CUTPASTE void sc_draw_mouse_image(scr_stat *scp) { if (ISGRAPHSC(scp)) return; atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->draw_mouse)(scp, scp->mouse_xpos, scp->mouse_ypos, TRUE); scp->mouse_oldpos = scp->mouse_pos; scp->mouse_oldxpos = scp->mouse_xpos; scp->mouse_oldypos = scp->mouse_ypos; scp->status |= MOUSE_VISIBLE; atomic_add_int(&scp->sc->videoio_in_progress, -1); } void sc_remove_mouse_image(scr_stat *scp) { int size; int i; if (ISGRAPHSC(scp)) return; atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->draw_mouse)(scp, (scp->mouse_oldpos%scp->xsize + scp->xoff) * scp->font_width, (scp->mouse_oldpos/scp->xsize + scp->yoff) * scp->font_height, FALSE); size = scp->xsize * scp->ysize; i = scp->mouse_oldpos; mark_for_update(scp, i); mark_for_update(scp, i); if (i + scp->xsize + 1 < size) { mark_for_update(scp, i + scp->xsize + 1); } else if (i + scp->xsize < size) { mark_for_update(scp, i + scp->xsize); } else if (i + 1 < size) { mark_for_update(scp, i + 1); } scp->status &= ~MOUSE_VISIBLE; atomic_add_int(&scp->sc->videoio_in_progress, -1); } int sc_inside_cutmark(scr_stat *scp, int pos) { int start; int end; if (scp->mouse_cut_end < 0) return FALSE; if (scp->mouse_cut_start <= scp->mouse_cut_end) { start = scp->mouse_cut_start; end = scp->mouse_cut_end; } else { start = scp->mouse_cut_end; end = scp->mouse_cut_start - 1; } return ((start <= pos) && (pos <= end)); } void sc_remove_cutmarking(scr_stat *scp) { crit_enter(); if (scp->mouse_cut_end >= 0) { mark_for_update(scp, scp->mouse_cut_start); mark_for_update(scp, scp->mouse_cut_end); } scp->mouse_cut_start = scp->xsize*scp->ysize; scp->mouse_cut_end = -1; crit_exit(); scp->status &= ~MOUSE_CUTTING; } void sc_remove_all_cutmarkings(sc_softc_t *sc) { scr_stat *scp; int i; /* delete cut markings in all vtys */ for (i = 0; i < sc->vtys; ++i) { scp = SC_STAT(sc->dev[i]); if (scp == NULL) continue; sc_remove_cutmarking(scp); } } void sc_remove_all_mouse(sc_softc_t *sc) { scr_stat *scp; int i; for (i = 0; i < sc->vtys; ++i) { scp = SC_STAT(sc->dev[i]); if (scp == NULL) continue; if (scp->status & MOUSE_VISIBLE) { scp->status &= ~MOUSE_VISIBLE; mark_all(scp); } } } #define IS_SPACE_CHAR(c) (((c) & 0xff) == ' ') /* skip spaces to right */ static int skip_spc_right(scr_stat *scp, int p) { int c; int i; for (i = p % scp->xsize; i < scp->xsize; ++i) { c = sc_vtb_getc(&scp->vtb, p); if (!IS_SPACE_CHAR(c)) break; ++p; } return i; } /* skip spaces to left */ static int skip_spc_left(scr_stat *scp, int p) { int c; int i; for (i = p-- % scp->xsize - 1; i >= 0; --i) { c = sc_vtb_getc(&scp->vtb, p); if (!IS_SPACE_CHAR(c)) break; --p; } return i; } /* copy marked region to the cut buffer */ static void mouse_cut(scr_stat *scp) { int start; int end; int from; int to; int blank; int c; int p; int i; start = scp->mouse_cut_start; if (scp->mouse_pos >= start) { from = start; to = end = scp->mouse_pos; } else { from = end = scp->mouse_pos; to = start - 1; } for (p = from, i = blank = 0; p <= to; ++p) { cut_buffer[i] = sc_vtb_getc(&scp->vtb, p); /* remember the position of the last non-space char */ if (!IS_SPACE_CHAR(cut_buffer[i++])) blank = i; /* the first space after the last non-space */ /* trim trailing blank when crossing lines */ if ((p % scp->xsize) == (scp->xsize - 1)) { cut_buffer[blank] = '\r'; i = blank + 1; } } cut_buffer[i] = '\0'; /* scan towards the end of the last line */ --p; for (i = p % scp->xsize; i < scp->xsize; ++i) { c = sc_vtb_getc(&scp->vtb, p); if (!IS_SPACE_CHAR(c)) break; ++p; } /* if there is nothing but blank chars, trim them, but mark towards eol */ if (i >= scp->xsize) { if (end >= start) to = end = p - 1; else to = start = p; cut_buffer[blank++] = '\r'; cut_buffer[blank] = '\0'; } /* remove the current marking */ crit_enter(); if (scp->mouse_cut_start <= scp->mouse_cut_end) { mark_for_update(scp, scp->mouse_cut_start); mark_for_update(scp, scp->mouse_cut_end); } else if (scp->mouse_cut_end >= 0) { mark_for_update(scp, scp->mouse_cut_end); mark_for_update(scp, scp->mouse_cut_start); } /* mark the new region */ scp->mouse_cut_start = start; scp->mouse_cut_end = end; mark_for_update(scp, from); mark_for_update(scp, to); crit_exit(); } /* a mouse button is pressed, start cut operation */ static void mouse_cut_start(scr_stat *scp) { int i; int j; if (scp->status & MOUSE_VISIBLE) { i = scp->mouse_cut_start; j = scp->mouse_cut_end; sc_remove_all_cutmarkings(scp->sc); if (scp->mouse_pos == i && i == j) { cut_buffer[0] = '\0'; } else if (skip_spc_right(scp, scp->mouse_pos) >= scp->xsize) { /* if the pointer is on trailing blank chars, mark towards eol */ i = skip_spc_left(scp, scp->mouse_pos) + 1; crit_enter(); scp->mouse_cut_start = rounddown(scp->mouse_pos, scp->xsize) + i; scp->mouse_cut_end = (scp->mouse_pos / scp->xsize + 1) * scp->xsize - 1; crit_exit(); cut_buffer[0] = '\r'; cut_buffer[1] = '\0'; scp->status |= MOUSE_CUTTING; } else { crit_enter(); scp->mouse_cut_start = scp->mouse_pos; scp->mouse_cut_end = scp->mouse_cut_start; crit_exit(); cut_buffer[0] = sc_vtb_getc(&scp->vtb, scp->mouse_cut_start); cut_buffer[1] = '\0'; scp->status |= MOUSE_CUTTING; } mark_all(scp); /* this is probably overkill XXX */ } } /* end of cut operation */ static void mouse_cut_end(scr_stat *scp) { if (scp->status & MOUSE_VISIBLE) scp->status &= ~MOUSE_CUTTING; } /* copy a word under the mouse pointer */ static void mouse_cut_word(scr_stat *scp) { int start; int end; int sol; int eol; int c; int i; int j; /* * Because we don't have locale information in the kernel, * we only distinguish space char and non-space chars. Punctuation * chars, symbols and other regular chars are all treated alike. */ if (scp->status & MOUSE_VISIBLE) { /* remove the current cut mark */ crit_enter(); if (scp->mouse_cut_start <= scp->mouse_cut_end) { mark_for_update(scp, scp->mouse_cut_start); mark_for_update(scp, scp->mouse_cut_end); } else if (scp->mouse_cut_end >= 0) { mark_for_update(scp, scp->mouse_cut_end); mark_for_update(scp, scp->mouse_cut_start); } scp->mouse_cut_start = scp->xsize*scp->ysize; scp->mouse_cut_end = -1; crit_exit(); sol = rounddown(scp->mouse_pos, scp->xsize); eol = sol + scp->xsize; c = sc_vtb_getc(&scp->vtb, scp->mouse_pos); if (IS_SPACE_CHAR(c)) { /* blank space */ for (j = scp->mouse_pos; j >= sol; --j) { c = sc_vtb_getc(&scp->vtb, j); if (!IS_SPACE_CHAR(c)) break; } start = ++j; for (j = scp->mouse_pos; j < eol; ++j) { c = sc_vtb_getc(&scp->vtb, j); if (!IS_SPACE_CHAR(c)) break; } end = j - 1; } else { /* non-space word */ for (j = scp->mouse_pos; j >= sol; --j) { c = sc_vtb_getc(&scp->vtb, j); if (IS_SPACE_CHAR(c)) break; } start = ++j; for (j = scp->mouse_pos; j < eol; ++j) { c = sc_vtb_getc(&scp->vtb, j); if (IS_SPACE_CHAR(c)) break; } end = j - 1; } /* copy the found word */ for (i = 0, j = start; j <= end; ++j) cut_buffer[i++] = sc_vtb_getc(&scp->vtb, j); cut_buffer[i] = '\0'; scp->status |= MOUSE_CUTTING; /* mark the region */ crit_enter(); scp->mouse_cut_start = start; scp->mouse_cut_end = end; mark_for_update(scp, start); mark_for_update(scp, end); crit_exit(); } } /* copy a line under the mouse pointer */ static void mouse_cut_line(scr_stat *scp) { int i; int j; if (scp->status & MOUSE_VISIBLE) { /* remove the current cut mark */ crit_enter(); if (scp->mouse_cut_start <= scp->mouse_cut_end) { mark_for_update(scp, scp->mouse_cut_start); mark_for_update(scp, scp->mouse_cut_end); } else if (scp->mouse_cut_end >= 0) { mark_for_update(scp, scp->mouse_cut_end); mark_for_update(scp, scp->mouse_cut_start); } /* mark the entire line */ scp->mouse_cut_start = rounddown(scp->mouse_pos, scp->xsize); scp->mouse_cut_end = scp->mouse_cut_start + scp->xsize - 1; mark_for_update(scp, scp->mouse_cut_start); mark_for_update(scp, scp->mouse_cut_end); crit_exit(); /* copy the line into the cut buffer */ for (i = 0, j = scp->mouse_cut_start; j <= scp->mouse_cut_end; ++j) cut_buffer[i++] = sc_vtb_getc(&scp->vtb, j); cut_buffer[i++] = '\r'; cut_buffer[i] = '\0'; scp->status |= MOUSE_CUTTING; } } /* extend the marked region to the mouse pointer position */ static void mouse_cut_extend(scr_stat *scp) { int start; int end; if ((scp->status & MOUSE_VISIBLE) && !(scp->status & MOUSE_CUTTING) && (scp->mouse_cut_end >= 0)) { if (scp->mouse_cut_start <= scp->mouse_cut_end) { start = scp->mouse_cut_start; end = scp->mouse_cut_end; } else { start = scp->mouse_cut_end; end = scp->mouse_cut_start - 1; } crit_enter(); if (scp->mouse_pos > end) { scp->mouse_cut_start = start; scp->mouse_cut_end = end; } else if (scp->mouse_pos < start) { scp->mouse_cut_start = end + 1; scp->mouse_cut_end = start; } else { if (scp->mouse_pos - start > end + 1 - scp->mouse_pos) { scp->mouse_cut_start = start; scp->mouse_cut_end = end; } else { scp->mouse_cut_start = end + 1; scp->mouse_cut_end = start; } } crit_exit(); mouse_cut(scp); scp->status |= MOUSE_CUTTING; } } /* paste cut buffer contents into the current vty */ static void mouse_paste(scr_stat *scp) { if (scp->status & MOUSE_VISIBLE) sc_paste(scp, cut_buffer, strlen(cut_buffer)); } #endif /* SC_NO_CUTPASTE */ static void sc_mouse_exit1_proc(struct proc *p) { scr_stat *scp; scp = p->p_drv_priv; KKASSERT(scp != NULL); lwkt_gettoken(&scmouse_tok); KKASSERT(scp->mouse_proc == p); KKASSERT(scp->mouse_pid == p->p_pid); scp->mouse_signal = 0; scp->mouse_proc = NULL; scp->mouse_pid = 0; lwkt_reltoken(&scmouse_tok); PRELE(p); p->p_flags &= ~P_SCMOUSE; p->p_drv_priv = NULL; } /* * sc_mouse_exit1: * * Handle exit1 for processes registered as MOUSE_MODE handlers. * We must remove a process hold, established when MOUSE_MODE * was enabled. */ static void sc_mouse_exit1(struct thread *td) { struct proc *p; p = td->td_proc; KKASSERT(p != NULL); if ((p->p_flags & P_SCMOUSE) == 0) return; sc_mouse_exit1_proc(p); } int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag) { mouse_info_t *mouse; scr_stat *cur_scp; scr_stat *scp; int f; scp = SC_STAT(tp->t_dev); switch (cmd) { case CONS_MOUSECTL: /* control mouse arrow */ mouse = (mouse_info_t*) data; cur_scp = scp->sc->cur_scp; switch (mouse->operation) { /* * Setup a process to receive signals on mouse events. */ case MOUSE_MODE: lwkt_gettoken(&scmouse_tok); if (!ISSIGVALID(mouse->u.mode.signal)) { /* Setting MOUSE_MODE w/ an invalid signal is used to disarm */ if (scp->mouse_proc == curproc) { sc_mouse_exit1_proc(curproc); lwkt_reltoken(&scmouse_tok); return 0; } else { lwkt_reltoken(&scmouse_tok); return EINVAL; } } else { /* Only one mouse process per syscons */ if (scp->mouse_proc) { lwkt_reltoken(&scmouse_tok); return EINVAL; } /* Only one syscons signal source per process */ if (curproc->p_flags & P_SCMOUSE) { lwkt_reltoken(&scmouse_tok); return EINVAL; } /* * Process is stabilized by a hold, which is removed from * sc_mouse_exit1. scp's mouse_{signal,proc,pid} fields * are synchronized by the MP Lock. */ scp->mouse_signal = mouse->u.mode.signal; scp->mouse_proc = curproc; scp->mouse_pid = curproc->p_pid; curproc->p_flags |= P_SCMOUSE; KKASSERT(curproc->p_drv_priv == NULL); curproc->p_drv_priv = scp; PHOLD(curproc); lwkt_reltoken(&scmouse_tok); return 0; } /*NOTREACHED*/ break; case MOUSE_SHOW: crit_enter(); if (!(scp->sc->flags & SC_MOUSE_ENABLED)) { scp->sc->flags |= SC_MOUSE_ENABLED; cur_scp->status &= ~MOUSE_HIDDEN; if (!ISGRAPHSC(cur_scp)) mark_all(cur_scp); crit_exit(); return 0; } else { crit_exit(); return EINVAL; } break; case MOUSE_HIDE: crit_enter(); if (scp->sc->flags & SC_MOUSE_ENABLED) { scp->sc->flags &= ~SC_MOUSE_ENABLED; sc_remove_all_mouse(scp->sc); crit_exit(); return 0; } else { crit_exit(); return EINVAL; } break; case MOUSE_MOVEABS: crit_enter(); scp->mouse_xpos = mouse->u.data.x; scp->mouse_ypos = mouse->u.data.y; set_mouse_pos(scp); crit_exit(); break; case MOUSE_MOVEREL: crit_enter(); scp->mouse_xpos += mouse->u.data.x; scp->mouse_ypos += mouse->u.data.y; set_mouse_pos(scp); crit_exit(); break; case MOUSE_GETINFO: mouse->u.data.x = scp->mouse_xpos; mouse->u.data.y = scp->mouse_ypos; mouse->u.data.z = 0; mouse->u.data.buttons = scp->mouse_buttons; return 0; case MOUSE_ACTION: case MOUSE_MOTION_EVENT: /* send out mouse event on /dev/sysmouse */ #if 0 /* this should maybe only be settable from /dev/consolectl SOS */ if (SC_VTY(tp->t_dev) != SC_CONSOLECTL) return ENOTTY; #endif crit_enter(); if (mouse->u.data.x != 0 || mouse->u.data.y != 0) { cur_scp->mouse_xpos += mouse->u.data.x; cur_scp->mouse_ypos += mouse->u.data.y; set_mouse_pos(cur_scp); } f = 0; if (mouse->operation == MOUSE_ACTION) { f = cur_scp->mouse_buttons ^ mouse->u.data.buttons; cur_scp->mouse_buttons = mouse->u.data.buttons; } crit_exit(); if (sysmouse_event(mouse) == 0) return 0; /* * If any buttons are down or the mouse has moved a lot, * stop the screen saver. */ if (((mouse->operation == MOUSE_ACTION) && mouse->u.data.buttons) || (mouse->u.data.x*mouse->u.data.x + mouse->u.data.y*mouse->u.data.y >= SC_WAKEUP_DELTA*SC_WAKEUP_DELTA)) { sc_touch_scrn_saver(); } cur_scp->status &= ~MOUSE_HIDDEN; lwkt_gettoken(&scmouse_tok); if (cur_scp->mouse_signal) { KKASSERT(cur_scp->mouse_proc != NULL); ksignal(cur_scp->mouse_proc, cur_scp->mouse_signal); lwkt_reltoken(&scmouse_tok); break; } lwkt_reltoken(&scmouse_tok); if (ISGRAPHSC(cur_scp) || (cut_buffer == NULL)) break; #ifndef SC_NO_CUTPASTE if ((mouse->operation == MOUSE_ACTION) && f) { /* process button presses */ if (cur_scp->mouse_buttons & MOUSE_BUTTON1DOWN) mouse_cut_start(cur_scp); else mouse_cut_end(cur_scp); if (cur_scp->mouse_buttons & MOUSE_BUTTON2DOWN || cur_scp->mouse_buttons & MOUSE_BUTTON3DOWN) mouse_paste(cur_scp); } #endif /* SC_NO_CUTPASTE */ break; case MOUSE_BUTTON_EVENT: if ((mouse->u.event.id & MOUSE_BUTTONS) == 0) return EINVAL; if (mouse->u.event.value < 0) return EINVAL; #if 0 /* this should maybe only be settable from /dev/consolectl SOS */ if (SC_VTY(tp->t_dev) != SC_CONSOLECTL) return ENOTTY; #endif if (mouse->u.event.value > 0) cur_scp->mouse_buttons |= mouse->u.event.id; else cur_scp->mouse_buttons &= ~mouse->u.event.id; if (sysmouse_event(mouse) == 0) return 0; /* if a button is held down, stop the screen saver */ if (mouse->u.event.value > 0) sc_touch_scrn_saver(); cur_scp->status &= ~MOUSE_HIDDEN; lwkt_gettoken(&scmouse_tok); if (cur_scp->mouse_signal) { KKASSERT(cur_scp->mouse_proc != NULL); ksignal(cur_scp->mouse_proc, cur_scp->mouse_signal); lwkt_reltoken(&scmouse_tok); break; } lwkt_reltoken(&scmouse_tok); if (ISGRAPHSC(cur_scp) || (cut_buffer == NULL)) break; #ifndef SC_NO_CUTPASTE switch (mouse->u.event.id) { case MOUSE_BUTTON1DOWN: switch (mouse->u.event.value % 4) { case 0: /* up */ mouse_cut_end(cur_scp); break; case 1: /* single click: start cut operation */ mouse_cut_start(cur_scp); break; case 2: /* double click: cut a word */ mouse_cut_word(cur_scp); mouse_cut_end(cur_scp); break; case 3: /* triple click: cut a line */ mouse_cut_line(cur_scp); mouse_cut_end(cur_scp); break; } break; case SC_MOUSE_PASTEBUTTON: switch (mouse->u.event.value) { case 0: /* up */ break; default: mouse_paste(cur_scp); break; } break; case SC_MOUSE_EXTENDBUTTON: switch (mouse->u.event.value) { case 0: /* up */ if (!(cur_scp->mouse_buttons & MOUSE_BUTTON1DOWN)) mouse_cut_end(cur_scp); break; default: mouse_cut_extend(cur_scp); break; } break; } #endif /* SC_NO_CUTPASTE */ break; case MOUSE_MOUSECHAR: if (mouse->u.mouse_char < 0) { mouse->u.mouse_char = scp->sc->mouse_char; } else { if (mouse->u.mouse_char >= (unsigned char)-1 - 4) return EINVAL; crit_enter(); sc_remove_all_mouse(scp->sc); #ifndef SC_NO_FONT_LOADING if (ISTEXTSC(cur_scp) && (cur_scp->font != NULL)) sc_load_font(cur_scp, 0, cur_scp->font_height, cur_scp->font, cur_scp->sc->mouse_char, 4); #endif scp->sc->mouse_char = mouse->u.mouse_char; crit_exit(); } break; default: return EINVAL; } return 0; } return ENOIOCTL; } void sc_mouse_init(void *unused) { at_exit(sc_mouse_exit1); } void sc_mouse_uninit(void *unused) { } SYSINIT(sc_mouse_init, SI_SUB_DRIVERS, SI_ORDER_ANY, sc_mouse_init, NULL); SYSUNINIT(sc_mouse_uninit, SI_SUB_DRIVERS, SI_ORDER_ANY, sc_mouse_uninit, NULL); #endif /* SC_NO_SYSMOUSE */