codearea.c.bak

linux 下类似于TC功能的编译器,但还没有完成,希望大家共同研究

#include "codearea.h"

int CodeArea::InitCodeArea(int Y,int X,int Height,int Width,int Color,int FontStyle,int WinType)
{
        int ret=FALSE;
        if(InitBaseWindow(Y,X,Height,Width,Color,0,FontStyle,WinType,"")==FALSE)
                return FALSE;

        field[0] = new_field(Height,Width,0,0,0,0);
        field[1] = NULL;
        field_opts_off(field[0], O_AUTOSKIP);
        field_opts_off(field[0], O_STATIC); 
        set_field_fore(field[0], COLOR_PAIR(Color));
        set_field_back(field[0], COLOR_PAIR(Color));
        form = new_form(field);
        set_current_field(form, field[0]);

        keypad(basewin,TRUE);
        set_form_win(form, basewin);
        set_form_sub(form, derwin(basewin, Height, Width,0,0));
        box(basewin, 0, 0);
        curs_set(1);
        post_form(form);
        wrefresh(basewin);

        insertmode=TRUE;
        currow=curcol=totalrow=totalcol=0;
        curpage=totalpage=0;
        return ret;
}

int CodeArea::CodeAreaDriver(int key)
{
        int ret=0;
        int tempy,tempx;
        int nextpage,begin;
        tempy=tempx=0;
         switch(key)
        {
                case KEY_LEFT:
                        if(curcol>0)
                        {
                                curcol = curcol-1;
                                form_driver(form,REQ_PREV_CHAR);
                                ret = UPDATE_STATUS;
                        }
                        else
                        {
                                if (currow>0)
                                {
                                        form_driver(form,REQ_PREV_LINE);
                                        form_driver(form,REQ_END_LINE);
                                        getyx(basewin,tempy,curcol);
                                        currow--;
                                        ret = UPDATE_STATUS;
                                }
                        }                        
                        break;
                case KEY_RIGHT:
                        form_driver(form,REQ_NEXT_CHAR);
                        curcol++;
                        ret = UPDATE_STATUS;
                        break;
                case KEY_UP:
                        if(currow>0)
                        {
                                form_driver(form,REQ_PREV_LINE);
                                currow--;
                                curcol=0;
                                ret = UPDATE_STATUS;
                        }                        
                        break;
                case KEY_DOWN:
                        if (currow<totalrow)
                        {
                                form_driver(form,REQ_NEXT_LINE);
                                currow++;
                                curcol=0;
                                ret = UPDATE_STATUS;
                        }
                        break;
                case KEY_HOME:
                        curcol=0;
                        form_driver(form,REQ_BEG_LINE);
                        ret = UPDATE_STATUS;
                        break;
                case KEY_END:
                        form_driver(form,REQ_END_LINE);
                        getyx(basewin,tempy,curcol);
                        ret = UPDATE_STATUS;
                        break;
                case 10://KEY_ENTER:INS
                        currow++;
                        totalrow++;
                        curcol=0;
                        form_driver(form,REQ_NEW_LINE);
                        ret = UPDATE_STATUS;
                        break;
                case KEY_F(2):
                        LostActive();
                        ret = ACTIVE_TOPMENU;
                        break;
                case KEY_BACKSPACE:
                        getyx(basewin,tempy,curcol);
                        if(curcol<=0 && totalrow>0 && currow>0)
                        {
                                totalrow--;
                                currow--;
                        }                        
                        form_driver(form,REQ_DEL_PREV);
                        getyx(basewin,tempy,curcol);
                        ret = UPDATE_STATUS;
                        break;
                case KEY_DC:
                        if(curcol<=0)
                                form_driver(form,REQ_DEL_LINE);
                        else
                                form_driver(form,REQ_DEL_CHAR);
                        ret = UPDATE_STATUS;
                        break;
                case KEY_PPAGE:                        
                        nextpage=((int)(currow/GetHeight())-1)*GetHeight()+1;
                        if (nextpage>0)
                        {
                                getyx(basewin,tempy,tempx);
                                form_driver(form,REQ_SCR_BPAGE);
                                currow-=GetHeight();
                                if(currow-GetHeight()<=0)
                                {
                                        tempy-=currow;
//                                        currow=0;
                                        while(tempy-->0)
                                                form_driver(form,REQ_PREV_LINE);
                                }
                                form_driver(form,REQ_END_LINE);
                                ret = UPDATE_STATUS;
                        }
                        break;
                case KEY_NPAGE:
                        getyx(basewin,tempy,tempx);
                        nextpage=currow-tempy+GetHeight();
                        if (nextpage<totalrow)
                        {
                                form_driver(form,REQ_SCR_FPAGE);
                                begin=nextpage - (int)(nextpage/GetHeight())*GetHeight();
                                currow+=GetHeight();
                                if (currow>totalrow)
                                {                                        
                                        currow-=begin;
                                        while(currow>totalrow)
                                        {
                                                form_driver(form,REQ_PREV_LINE);
                                                currow--;
                                        }                                        
                                }
                                form_driver(form,REQ_END_LINE);
                                ret = UPDATE_STATUS;
                        }
                        break;
                case KEY_TAB://TAB
                        for(int i=0;i<TABSIZE;i++)
                                form_driver(form,KEY_SPACE);
                        curcol+=TABSIZE;
                        ret = UPDATE_STATUS;
                        break;
                case KEY_INSERT:
                        if(insertmode)
                        {
                                form_driver(form,REQ_OVL_MODE);
                                insertmode=FALSE;
                                ret = UPDATE_STATUS_REPLACE;
                        }
                        else
                        {
                                form_driver(form,REQ_INS_MODE);
                                insertmode=TRUE;
                                ret = UPDATE_STATUS_INSERT;
                        }                        
                        break;
                default:
                        if (curcol<GetWidth())
                        {
                                curcol++;
                                form_driver(form, key);
                                ret = UPDATE_STATUS;                        
                        }
                        else if (curcol<MAX_COLS)
                        {
                                curcol++;
                                form_driver(form, key);
                                ret = UPDATE_STATUS;
                        }
                        break;        
        }
        return ret;
}

void CodeArea::DestroyCodeArea()
{
        unpost_form(form);
        free_form(form);
        free_field(field[0]);
        DestroyBaseWindow();
}


int  CodeArea::Active(int item)
{
        if(active!=TRUE)
        {
                active=TRUE;
        }
        return active;
}

int  CodeArea::Active()
{
        if (active!=TRUE)
        {
                active=TRUE;
        }
        curs_set(1);
        wmove(basewin,currow,curcol);
        return active;
}

int  CodeArea::IsActive()
{
        return active;
}

int  CodeArea::LostActive()
{
        if(active!=FALSE)
        {
                active=FALSE;
        }
        curs_set(0);
        return active;
}

int  CodeArea::GetCurCol()
{
        return curcol;
}

int  CodeArea::GetCurRow()
{
        return currow;
}