finddialog.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

#include "finddialog.h"

FindDialog::FindDialog()
{
	fld[0]=NULL;
	fld[1]=NULL;
	fld[2]=NULL;
	fld[3]=NULL;
	fld[4]=NULL;
	fld[5]=NULL;
	frm=NULL;
	strcpy(locate[0],"Find");
	strcpy(locate[1],"[ ]Case-Sensitive");
	strcpy(locate[2],"[ ]Tag-Bookmark");
	strcpy(locate[3],"[ ]Up");
	strcpy(locate[4],"[ ]Down");
	choice[0]=FALSE;
	choice[1]=FALSE;
	choice[2]=FALSE;
	choice[3]=FALSE;
	choice[4]=FALSE;
	active=FINDFORM;
}

FindDialog::~FindDialog()
{
	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 FindDialog::DrawFindDialog()
{
	BOOL ret=FALSE;
	int rows,cols;
	rows=4;
	cols=width-strlen(locate[0])-2;
	
	wattron(basewin,COLOR_PAIR(color));
	mvwprintw(basewin,1,1,locate[0]);
	wattroff(basewin,COLOR_PAIR(color));
	
	fld[0] = new_field(1, cols, 0,0, 0, 0);//find
	fld[1] = new_field(1, strlen(locate[1]), 1, 0, 0, 0);//case sensitive
	fld[2] = new_field(1, strlen(locate[2]), 2, 0, 0, 0);//bookmark
	fld[3] = new_field(1, strlen(locate[3]), 3, 0, 0, 0);//up
	fld[4] = new_field(1, strlen(locate[4]), 3, (int)(cols/2),0,0);//down
	fld[5] = NULL;
	set_field_back(fld[0], COLOR_PAIR(COLOR_WHITE_BLUE)|A_UNDERLINE); 
	set_field_back(fld[1], COLOR_PAIR(COLOR_WHITE_BLACK)); 
	set_field_back(fld[2], COLOR_PAIR(COLOR_WHITE_BLACK)); 
	set_field_back(fld[3], COLOR_PAIR(COLOR_WHITE_BLACK)); 
	set_field_back(fld[4], COLOR_PAIR(COLOR_WHITE_BLACK)); 
	field_opts_on(fld[0], O_ACTIVE);
	field_opts_on(fld[1], O_ACTIVE);
	field_opts_off(fld[0],O_AUTOSKIP);
	field_opts_off(fld[1],O_AUTOSKIP);
	field_opts_off(fld[0],O_STATIC);
	field_opts_off(fld[1],O_STATIC);	
	set_max_field(fld[0],MAXFIELDLEN);
	set_max_field(fld[1],MAXFIELDLEN);
	set_field_buffer(fld[1],0,locate[1]);
	set_field_buffer(fld[2],0,locate[2]);
	set_field_buffer(fld[3],0,locate[3]);
	set_field_buffer(fld[4],0,locate[4]);
	frm = new_form(fld);
	set_current_field(frm, fld[0]);
	set_form_win(frm, basewin);
	set_form_sub(frm, derwin(basewin,rows,cols,1,strlen(locate[0])+1));	
	post_form(frm);

	goto over;
over:
	ret=TRUE;
//failure:
	return ret;
}

BOOL FindDialog::InitFindDialog(int Height,int Width,int Color,int Shadow,int FontStyle,int WinType,char *Title)
{
	BOOL ret=FALSE;
	if(WinType==DIALOG_EDITFIND)
		ret=InitDialog(Height,Width,Color,Shadow,FontStyle,WinType,OKCANCELDLG,"[Find]");
	else
		ret=InitDialog(Height,Width,Color,Shadow,FontStyle,WinType,OKCANCELDLG,"[Unknown]");
	if (ret==FALSE)
		goto failure;
	ret=DrawFindDialog();
	if (ret==FALSE)
		goto failure;	
	curs_set(1);
	wrefresh(basewin);
	goto over;
over:
	ret=TRUE;
failure:	
	return ret; 
}

int FindDialog::FindDialogDriver()
{
	int ret=0;
	int ch;
	BOOL exist=TRUE;
	while(exist && (ch = wgetch(basewin)))
	{
		switch(ch)
		{
			case KEY_DOWN:
				if(active==FINDFORM)
				{
					int idx;
					form_driver(frm,REQ_NEXT_FIELD);
					idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_END_LINE);
					else
						form_driver(frm,REQ_NEXT_CHAR);
				}
				break;
			case KEY_UP:
				if(active==FINDFORM)
				{
					int idx;
					form_driver(frm,REQ_PREV_FIELD);
					idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_END_LINE);
					else
						form_driver(frm,REQ_NEXT_CHAR);
				}
				break;
			case KEY_LEFT:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_PREV_CHAR);
					else
					{
						form_driver(frm,REQ_PREV_FIELD);
						form_driver(frm,REQ_NEXT_CHAR);
					}
				}
				break;
			case KEY_RIGHT:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_NEXT_CHAR);
					else
					{
						form_driver(frm,REQ_NEXT_FIELD);
						form_driver(frm,REQ_NEXT_CHAR);
					}
				}
				break;
			case KEY_NPAGE:
				break;
			case KEY_PPAGE:
				break;
			case KEY_HOME:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_BEG_LINE);
				}
				break;
			case KEY_END:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_END_LINE);
				}
				break;
			case KEY_DC:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_DEL_CHAR);
				}
				break;
			case KEY_BACKSPACE:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,REQ_DEL_PREV);
				}
				break;
			case KEY_TAB:
				if(active==FINDFORM)
				{
					active=OKCANCEL;
					curs_set(0);
					ret=DialogDriver();
					if(ret==BUTOK||ret==BUTCANCEL)
					{
						exist=FALSE;
					}
					else
					{
						form_driver(frm,REQ_FIRST_FIELD);
						form_driver(frm,REQ_END_LINE);
						curs_set(1);
						active=FINDFORM;
					}
				}
				break;
			case KEY_SPACE:
				if(active==FINDFORM)
				{
					int idx=field_index(current_field(frm));
 					if(idx==0)
						form_driver(frm,ch);
					else
					{
						if (choice[idx]==FALSE)
						{
							locate[idx][1]='*';
							choice[idx]=TRUE;
						}
						else
						{
							locate[idx][1]=' ';
							choice[idx]=FALSE;
						}
						set_field_buffer(fld[idx],0,locate[idx]);
						form_driver(frm,REQ_NEXT_CHAR);
					}
				}
				break;
			case 0xA:
				exist=FALSE;
				break;
			default:
				if(active==FINDFORM && field_index(current_field(frm))==0)
					form_driver(frm,ch);
				break;
		}
	}	
	return ret;
}