selectdialog.c

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

//begin of file
#include "selectdialog.h"

SelectDialog::SelectDialog()
{
	fld[0]=NULL;
	fld[1]=NULL;
	fld[2]=NULL;
	fld[3]=NULL;
	fld[4]=NULL;
	fld[5]=NULL;
	frm=NULL;
	active=SELECTFORM;
}

SelectDialog::~SelectDialog()
{
	if(frm!=NULL)
	{
		unpost_form(frm);
		free_form(frm);
	}
	if(fld[0]!=NULL)
		free_field(fld[0]);
	if(fld[1]!=NULL)
		free_field(fld[1]);
	if(fld[2]!=NULL)
		free_field(fld[2]);
	if(fld[3]!=NULL)
		free_field(fld[3]);
	if(fld[4]!=NULL)
		free_field(fld[4]);
	if(fld[5]!=NULL)
		free_field(fld[5]);
	curs_set(0);
}

BOOL SelectDialog::InitSelectDialog(int Height,int Width,int Color,int Shadow,int Fontstyle,int WinType)
{
	BOOL ret=FALSE;
	ret=InitDialog(Height,Width,Color,Shadow,Fontstyle,WinType,OKCANCELDLG,"[Select]");
	if(ret==FALSE)
		goto failure;
	ret=DrawSelectDialog();
	if(ret==FALSE)
		goto failure;
	curs_set(1);
	wrefresh(basewin);
	ret=TRUE;
failure:
	return ret;
}

BOOL SelectDialog::DrawSelectDialog()
{
	BOOL ret=FALSE;
	int rows,cols;
	rows=5;
	cols=width-8;
	wattron(basewin,COLOR_PAIR(color));
	mvwprintw(basewin,1,1,"From");
	mvwprintw(basewin,2,1,"Line");
	mvwprintw(basewin,3,1,"Column");
	mvwprintw(basewin,4,1,"To");
	mvwprintw(basewin,5,1,"Line");
	mvwprintw(basewin,6,1,"Column");
	wattroff(basewin,COLOR_PAIR(color));
	
	fld[0]=new_field(1,cols,0,0,0,0);
	fld[1]=new_field(1,cols,1,0,0,0);
	fld[2]=new_field(1,cols,2,0,0,0);//hide
	fld[3]=new_field(1,cols,3,0,0,0);
	fld[4]=new_field(1,cols,4,0,0,0);
	fld[5]=NULL;
	set_field_back(fld[0],COLOR_PAIR(COLOR_WHITE_BLUE)|A_UNDERLINE);
	set_field_back(fld[1],COLOR_PAIR(COLOR_WHITE_BLUE)|A_UNDERLINE);
	set_field_back(fld[2],COLOR_PAIR(color));
	set_field_back(fld[3],COLOR_PAIR(COLOR_WHITE_BLUE)|A_UNDERLINE);
	set_field_back(fld[4],COLOR_PAIR(COLOR_WHITE_BLUE)|A_UNDERLINE);
	field_opts_on(fld[0],O_ACTIVE);
	field_opts_on(fld[1],O_ACTIVE);
	field_opts_off(fld[2],O_ACTIVE);//hide
	field_opts_on(fld[3],O_ACTIVE);
	field_opts_on(fld[4],O_ACTIVE);
	field_opts_off(fld[0],O_STATIC);
	field_opts_off(fld[1],O_STATIC);
	field_opts_on(fld[2],O_STATIC);//hide
	field_opts_off(fld[3],O_STATIC);
	field_opts_off(fld[4],O_STATIC);
	set_max_field(fld[0],MAXFIELDLEN);
	set_max_field(fld[1],MAXFIELDLEN);
	set_max_field(fld[2],0);	//hide
	set_max_field(fld[3],MAXFIELDLEN);
	set_max_field(fld[4],MAXFIELDLEN);
	frm=new_form(fld);
	set_current_field(frm,fld[0]);
	set_form_win(frm,basewin);
	set_form_sub(frm,derwin(basewin,rows,cols,2,7));
	post_form(frm);
	ret=TRUE;
	return ret;
}


int SelectDialog::SelectDialogDriver()
{
	int ret=0;
	int ch;
	BOOL exist=TRUE;
	while(exist && (ch=wgetch(basewin)))
	{
		switch(ch)
		{
			case KEY_DOWN:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_NEXT_FIELD);
					form_driver(frm,REQ_END_LINE);
				}
				break;
			case KEY_UP:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_PREV_FIELD);
					form_driver(frm,REQ_END_LINE);
				}
				break;
			case KEY_LEFT:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_PREV_CHAR);
				}
				break;
			case KEY_RIGHT:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_NEXT_CHAR);
				}
				break;
			case KEY_HOME:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_BEG_LINE);
				}
				break;
			case KEY_END:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_END_LINE);
				}
				break;
			case KEY_DC:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_DEL_CHAR);
				}
				break;
			case KEY_BACKSPACE:
				if(active==SELECTFORM)
				{
					form_driver(frm,REQ_DEL_PREV);
				}
				break;
			case KEY_TAB:
				if(active==SELECTFORM)
				{
					active=OKCANCLE;
					form_driver(frm,REQ_VALIDATION);
					curs_set(0);
					ret=DialogDriver();
					if(ret==BUTOK || ret==BUTCANCEL)
					{
						if(ret==BUTOK)
						{
							char n[MAXFIELDLEN];
							strcpy(n,trimleft(field_buffer(fld[0],0)));
							trimright(n,n);
							msg.seleobj.begline=atol(n);
							strcpy(n,trimleft(field_buffer(fld[1],0)));
							trimright(n,n);
							msg.seleobj.begcol=atol(n);
							strcpy(n,trimleft(field_buffer(fld[3],0)));
							trimright(n,n);
							msg.seleobj.endline=atol(n);
							strcpy(n,trimleft(field_buffer(fld[4],0)));
							trimright(n,n);
							msg.seleobj.endcol=atol(n);
						}
						exist=FALSE;
					}
					else
					{
						form_driver(frm,REQ_FIRST_FIELD);
						form_driver(frm,REQ_END_LINE);
						curs_set(1);
						active=SELECTFORM;
					}
				}
				break;
			case 0xA:
				exist=FALSE;
				break;
			default:
				if(isdigit(ch))
					form_driver(frm,ch);
				break;
		}	
	}
	return ret;
}
//end of file