linux下gcc自编全屏幕编辑器源代码

int main(int argc,char *argv[]) { char *s,*d; s=argv[1]; d=curfile; if(s!=NULL) { while(*d++ = *s++); } curse_x=1; curse_y=1; curline=0; bottom=0; sel_begin=-1; sel_end=-1; if(!loadfile(curfile)) { buffer[0][0]='\n'; buffer[0][1]='\0'; } edit(); face(); } int face() { cls(); fk(20,6,60,12,4,7); locate(28,8);printf("'ed' Editor for everyone."); locate(30,10);printf("Bye,see you next time."); color(7,0); locate(1,25); } int help() { int i,j; i=22;j=3; fk(15,j,65,j+23,4,7); locate(36,j);printf(" HELP "); locate(i,j+2);printf("HOT KEY:"); locate(i,j+3);printf(" ALT+A Select all"); locate(i,j+4);printf(" ALT+K Select down"); locate(i,j+5);printf(" ALT+I Select up"); locate(i,j+6);printf(" ALT+C Copy block "); locate(i,j+7);printf(" ALT+V Paste copy block "); locate(i,j+8);printf(" ALT+< To file head"); locate(i,j+9);printf(" ALT+> To file bottom"); locate(i,j+10);printf(" ALT+S Save file "); locate(i,j+11);printf(" ALT+Q Exit program"); locate(i,j+12);printf(" ALT+SPACE Enter COMMAND LINE "); locate(i,j+14);printf("COMMAND LINE:"); locate(i,j+15);printf(" w OR W Save file as"); locate(i,j+16);printf(" r OR R Load file"); locate(i,j+17);printf(" q OR Q Exit program"); locate(i,j+18);printf(" ENTER Return editor"); locate(i,j+20);printf("Program by wanggf at 11-12-2, CHINA"); locate(i,j+21);printf("Release:1.0 Support: xtwgf@163.com"); color(7,0); inkey(); } int set_stat() { //return; color(3,0); locate(30,30); printf("File:'%s'%c ",curfile,saveflag); printf(" X:%d Y:%d Line:%d Bottom:%d ", curse_x,curse_y,curline+1,bottom+1); color(7,0); locate(curse_x,curse_y); } int set_tail() { int l; l=strlen(buffer[curline]); if(curse_x>l && l>0) { curse_x=l; } locate(curse_x,curse_y); } int cmdline() { int l; int *s; locate(1,30); do { color(3,0); printf("cmd>:"); input_string(linebuffer); switch(linebuffer[0]) { case 'w': case 'W': warning("Save filename:"); input_string(linebuffer); if(strlen(linebuffer)<=1) break; strcpy(curfile,linebuffer); curfile[strlen(curfile)-1]='\0'; savefile(curfile); break; case 'r': case 'R': printf("Load filename:"); input_string(linebuffer); if(strlen(linebuffer)<=1) break; strcpy(curfile,linebuffer); curfile[strlen(curfile)-1]='\0'; loadfile(curfile); break; case 'q': case 'Q': if(saveflag==42) { warning("File NOT save!! Really EXIT?(y/n):"); input_string(linebuffer); if(linebuffer[0]=='y' || linebuffer[0]=='Y') return 0; } refresh(); break; case 'k': case 'K': printf("%d",keycode()); break; case 10: return 1; } }while(1); } int linefresh() { char ch=32; int i,l; locate(1,curse_y); l=strlen(buffer[curline]); for(i=1;i<=l;i++) putchar(ch); locate(1,curse_y); printf("%s",buffer[curline]); locate(curse_x,curse_y); set_stat(); } int refresh() { int i,j; cls(); locate(1,1); j=curline+29-curse_y; if(j>bottom) j=bottom; for(i=curline-curse_y+1;i<=j;i++) { if(i<=sel_end && i>=sel_begin) { color(4,7); } else { color(7,0); } printf("%s",buffer[i]); } set_stat(); } int tab_replace() { int i,j,l,p,o,q; char *pos,ch=9; for(i=0;i<bottom;i++) { while((pos=strchr(buffer[i],ch))!=0) { p=pos-buffer[i]; l=strlen(buffer[i]); for(j=0;j<p;j++) linebuffer[j]=buffer[i][j]; q=j; for(o=0;o<5;o++) linebuffer[j++]=32; for(++q;q<l+1;q++) linebuffer[j++]=buffer[i][q]; strcpy(buffer[i],linebuffer); } } } int loadfile(char *filename) { int i=0; FILE *fd=fopen(filename,"r"); if (fd==NULL) { warning("Load file error.."); return 0; } else { bottom=0; while(!feof(fd)) { fgets(linebuffer,LINESIZE,fd); if(!feof(fd)) {strcpy(buffer[bottom++],linebuffer);} } fclose(fd); tab_replace(); } return 1; } int savefile(char *filename) { int i=0; FILE *fd=fopen(filename,"w"); if (fd==NULL) { warning("Save file error.."); return 0; } else { while(i<bottom) { fputs(buffer[i++],fd); } fclose(fd); } return 1; } int warning(char *s) { locate(24,30); printf(" "); color(1,0); locate(1,30); printf("%s",s); } int edit() { int ch,i,j,l,p; refresh(); warning("ALT+H to get help"); color(7,0); linefresh(); do { switch(i=keycode()) { case 3065: //up if(curse_y==1){ if(curline>0) { curline--; refresh(); } } else { curse_y--; curline--; set_stat(); } set_tail(); break; case 3066: //down if(curse_y==29){ if(curline<bottom) { curline++; refresh(); } } else { if (curline<bottom) { curse_y++; curline++; set_stat(); } } set_tail(); break; case 3068: //left if(curse_x>1){ curse_x--; } set_stat(); break; case 3067: //right if(curse_x<80 && curse_x<strlen(buffer[curline])){ curse_x++; } set_stat(); break; case 3053: //pgup if(curline==0) break; if(curline-29-curse_y>0) { curline = curline-29; refresh(); } else { curline=0; curse_y=1; refresh(); } set_tail(); break; case 3054: //pgdown