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https://github.com/amix/vimrc
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rename vim_plugins_src to vim_plugin_candinates_src and used as an plugin candinate dir
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hustcalm
433
vim_plugin_candinates_src/cscope-15.8a/src/mouse.c
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433
vim_plugin_candinates_src/cscope-15.8a/src/mouse.c
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@ -0,0 +1,433 @@
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/*===========================================================================
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Copyright (c) 1998-2000, The Santa Cruz Operation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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*Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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*Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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*Neither name of The Santa Cruz Operation nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGE.
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=========================================================================*/
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/* cscope - interactive C symbol cross-reference
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*
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* mouse functions
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*/
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#include "global.h"
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BOOL mouse = NO; /* mouse interface */
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#ifdef UNIXPC /* build command requires #ifdef instead of #if */
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#include <sys/window.h>
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BOOL unixpcmouse = NO; /* running with a mouse on the Unix PC? */
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static int uw_hs, uw_vs; /* character height and width */
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#endif
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static char const rcsid[] = "$Id: mouse.c,v 1.4 2001/07/05 14:31:00 broeker Exp $";
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typedef struct { /* menu */
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char *text;
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char *value;
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} MENU;
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static MENU mainmenu[] = { /* main menu */
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{"Send", "##\033s##\r"},
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{"Repeat", "\031"},
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{"Edit All", "\05"},
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{"Rebuild", "\022"},
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{"Shell", "!"},
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{"Redraw", "\f"},
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{"Help", "?"},
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{"Exit", "\04"},
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{NULL, NULL}
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};
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static MENU changemenu[] = { /* change mode menu */
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{"Mark Screen", "*"},
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{"Mark All", "a"},
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{"Change", "\04"},
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{"No Change", "\033"},
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{"Shell", "!"},
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{"Redraw", "\f"},
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{"Help", "?"},
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{NULL, NULL}
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};
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static MENU *loaded; /* menu loaded */
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static BOOL emacsviterm = NO; /* terminal type */
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static void loadmenu(MENU *menu);
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static int getcoordinate(void);
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static int getpercent(void);
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/* see if there is a mouse interface */
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void
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mouseinit(void)
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{
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char *term;
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/* see if this is emacsterm or viterm */
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term = mygetenv("TERM", "");
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if (strcmp(term, "emacsterm") == 0 ||
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strcmp(term, "viterm") == 0) {
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emacsviterm = YES;
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mouse = YES;
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}
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/* the MOUSE enviroment variable is for 5620 terminal programs that have
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mouse support but the TERM environment variable is the same as a
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terminal without a mouse, such as myx */
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else if (strcmp(mygetenv("MOUSE", ""), "myx") == 0) {
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mouse = YES;
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}
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#if UNIXPC
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else if (strcmp(term,"s4") == 0 ||
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strcmp(term,"s120") == 0 ||
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strcmp(term,"s90") == 0) {
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int retval;
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struct uwdata uwd; /* Window data structure */
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struct umdata umd; /* Mouse data structure */
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/* Ask for character size info */
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retval = ioctl(1,WIOCGETD,&uwd);
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if(retval || uwd.uw_hs <= 0 || uwd.uw_vs <= 0) {
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/**************************************************
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* something wrong with the kernel, so fake it...
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**************************************************/
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if(!strcmp(term,"s4")) {
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uw_hs = 9;
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uw_vs = 12;
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}
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else {
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uw_hs = 6;
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uw_vs = 10;
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}
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}
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else {
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/* Kernel is working and knows about this font */
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uw_hs = uwd.uw_hs;
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uw_vs = uwd.uw_vs;
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}
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/**************************************************
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* Now turn on mouse reporting so we can actually
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* make use of all this stuff.
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**************************************************/
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if((retval = ioctl(1,WIOCGETMOUSE,&umd)) != -1) {
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umd.um_flags= MSDOWN+MSUP;
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ioctl(1,WIOCSETMOUSE,&umd);
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}
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unixpcmouse = YES;
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}
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#endif
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if (mouse == YES) {
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loadmenu(mainmenu);
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}
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}
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/* load the correct mouse menu */
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void
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mousemenu(void)
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{
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if (mouse == YES) {
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if (changing == YES) {
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loadmenu(changemenu);
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}
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else {
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loadmenu(mainmenu);
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}
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}
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}
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/* download a menu */
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static void
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loadmenu(MENU *menu)
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{
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int i;
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if (emacsviterm == YES) {
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mousereinit();
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(void) printf("\033V1"); /* display the scrollbar */
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(void) printf("\033M0@%s@%s@", menu[0].text, menu[0].value);
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for (i = 1; menu[i].text != NULL; ++i) {
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(void) printf("\033M@%s@%s@", menu[i].text, menu[i].value);
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}
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}
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else { /* myx */
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int len;
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mousecleanup();
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(void) printf("\033[6;1X\033[9;1X");
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for (i = 0; menu[i].text != NULL; ++i) {
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len = strlen(menu[i].text);
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(void) printf("\033[%d;%dx%s%s", len,
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(int) (len + strlen(menu[i].value)),
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menu[i].text, menu[i].value);
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}
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loaded = menu;
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}
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(void) fflush(stdout);
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}
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/* reinitialize the mouse in case curses changed the attributes */
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void
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mousereinit(void)
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{
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if (emacsviterm == YES) {
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/* enable the mouse click and sweep coordinate control sequence */
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/* and switch to menu 2 */
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(void) printf("\033{2\033#2");
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(void) fflush(stdout);
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}
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}
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/* restore the mouse attributes */
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void
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mousecleanup(void)
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{
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int i;
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if (loaded != NULL) { /* only true for myx */
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/* remove the mouse menu */
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(void) printf("\033[6;0X\033[9;0X");
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for (i = 0; loaded[i].text != NULL; ++i) {
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(void) printf("\033[0;0x");
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}
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loaded = NULL;
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}
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}
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/* draw the scrollbar */
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void
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drawscrollbar(int top, int bot)
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{
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int p1, p2;
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if (emacsviterm == YES) {
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if (bot > top) {
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p1 = 16 + (top - 1) * 100 / totallines;
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p2 = 16 + (bot - 1) * 100 / totallines;
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if (p2 > 116) {
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p2 = 116;
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}
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if (p1 < 16) {
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p1 = 16;
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}
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/* don't send ^S or ^Q because it will hang a layer using cu(1) */
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if (p1 == ctrl('Q') || p1 == ctrl('S')) {
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++p1;
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}
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if (p2 == ctrl('Q') || p2 == ctrl('S')) {
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++p2;
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}
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}
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else {
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p1 = p2 = 16;
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}
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(void) printf("\033W%c%c", p1, p2);
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}
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}
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/* get the mouse information */
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MOUSE *
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getmouseaction(char leading_char)
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{
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static MOUSE m;
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#if UNIXPC
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if(unixpcmouse == YES && leading_char == ESC) {
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/* Called if cscope received an ESC character. See if it is
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* a mouse report and if so, decipher it. A mouse report
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* looks like: "<ESC>[?xx;yy;b;rM"
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*/
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int x = 0, y = 0, button = 0, reason = 0;
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int i;
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/* Get a mouse report. The form is: XX;YY;B;RM where
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* XX is 1,2, or 3 decimal digits with the X pixel position.
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* Similarly for YY. B is a single decimal digit with the
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* button number (4 for one, 2 for two, and 1 for three).
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* R is the reason for the mouse report.
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*
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* In general, the input is read until the mouse report has
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* been completely read in or we have discovered that this
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* escape sequence is NOT a mouse report. In the latter case
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* return the last character read to the input stream with
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* myungetch().
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*/
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/* Check for "[?" being next 2 chars */
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if(((i = mygetch()) != '[') || ((i = mygetch()) != '?')) {
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myungetch(i);
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return(NULL);
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}
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/* Grab the X position (in pixels) */
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while(isdigit(i = mygetch())) {
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x = (x*10) + (i - '0');
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}
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if(i != ';') {
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myungetch(i);
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return(NULL); /* not a mouse report after all */
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}
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/* Grab the Y position (in pixels) */
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while(isdigit(i = mygetch())) {
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y = (y*10) + (i - '0');
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}
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if(i != ';') {
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myungetch(i);
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return(NULL);
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}
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/* Get which button */
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if((button = mygetch()) > '4') {
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myungetch(button);
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return(NULL);
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}
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if((i = mygetch()) != ';') {
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myungetch(i);
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return(NULL);
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}
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/* Get the reason for this mouse report */
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if((reason = mygetch()) > '8') {
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myungetch(reason);
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return(NULL);
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}
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/* sequence should terminate with an 'M' */
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if((i = mygetch()) != 'M') {
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myungetch(i);
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return(NULL);
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}
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/* OK. We get a mouse report whenever a button is depressed
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* or released. Let's ignore the report whenever the button
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* is depressed until when I am ready to implement sweeping.
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*/
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if(reason != '2') {
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return(NULL); /* '2' means button is released */
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}
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/************************************************************
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* Always indicate button 1 irregardless of which button was
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* really pushed.
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************************************************************/
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m.button = 1;
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/************************************************************
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* Convert pixel coordinates to line and column coords.
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* The height and width are obtained using an ioctl() call
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* in mouseinit(). This assumes that variable width chars
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* are not being used ('though it would probably work anyway).
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************************************************************/
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m.x1 = x/uw_hs; /* pixel/horizontal_spacing */
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m.y1 = y/uw_vs; /* pixel/vertical_spacing */
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/* "null" out the other fields */
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m.percent = m.x2 = m.y2 = -1;
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}
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else
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#endif /* not UNIXPC */
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if (mouse == YES && leading_char == ctrl('X')) {
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switch (mygetch()) {
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case ctrl('_'): /* click */
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if ((m.button = mygetch()) == '0') { /* if scrollbar */
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m.percent = getpercent();
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}
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else {
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m.x1 = getcoordinate();
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m.y1 = getcoordinate();
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m.x2 = m.y2 = -1;
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}
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break;
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case ctrl(']'): /* sweep */
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m.button = mygetch();
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m.x1 = getcoordinate();
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m.y1 = getcoordinate();
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m.x2 = getcoordinate();
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m.y2 = getcoordinate();
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break;
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default:
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return(NULL);
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}
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}
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else return(NULL);
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return(&m);
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}
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/* get a row or column coordinate from a mouse button click or sweep */
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static int
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getcoordinate(void)
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{
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int c, next;
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c = mygetch();
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next = 0;
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if (c == ctrl('A')) {
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next = 95;
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c = mygetch();
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}
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if (c < ' ') {
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return (0);
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}
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return (next + c - ' ');
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}
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/* get a percentage */
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static int
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getpercent(void)
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{
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int c;
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c = mygetch();
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if (c < 16) {
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return(0);
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}
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if (c > 120) {
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return(100);
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}
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return(c - 16);
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}
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Reference in New Issue
Block a user