www.pudn.com > dos_gui.zip > DIALOG.CPP

// 1993 (c) ALL RIGHTS RESERVED 
// AUTHOR  BY XuYongYong 
 
/* 	dialog.cpp 
*/ 
#include "dialog.h" 
#include "applicat.h" 
 
dialog_class::dialog_class(int ID,char *title,int left,int top,int width,int height) 
	:win_class(ID,title,DIALOG_WIN,'2',left,top,width,height) 
{ int width1=width-2*LINE_WIDTH; 
  int height1=height-bar_height-2*LINE_WIDTH; 
  int hbar=0.5*bar_height; 
  int vbar=1.5*bar_height; 
 
	strcpy (ok_string,"&OK"); 
	strcpy (cancel_string,"&Cancel"); 
	ok_button =new Tbutton (OK_ID,ok_string,hbar,height1-2*vbar, 
		width1/2 -2*hbar, vbar); 
	cancel_button =new Tbutton (CANCEL_ID,cancel_string,width1 /2+hbar,height1-2*vbar, 
		width1/2 -2*hbar, vbar); 
	insert_control (cancel_button); 
	insert_control (ok_button); 
 
//	pcontrol_current_selected =ok_button; 
} 
 
//dialog_class::~dialog_class() 
//{ 
//	delete	(ok_button); 
//	delete  (cancel_button); 
//} 
 
int dialog_class::msg_handler (MSG& message) 
{ 
	switch (message.Action){ 
		case KeyPressedMSG: 
//		if  (pcurrent_selected_win->type & DIALOG_WIN ) {   //dialog 
  int ret_val; 
			ret_val=win_class::msg_handler (message); 
			if (ret_val!=FALSE) return ret_val; 
			if (key_code==ESCKEY) {thequeue.SendMessage(CANCEL_ID, 
				ButtonPushedMSG,ok_button);return TRUE;} else 
			if (key_code==ENTERKEY) {thequeue.SendMessage(OK_ID, 
				ButtonPushedMSG,cancel_button);	return TRUE;} 
			break; 
		case ButtonPushedMSG: 
			switch (message.ID ) { 
				case OK_ID: 
//				case ok_button: 
					if (! (canclose||func_canclose()) ) return FALSE; 
					canclose =TRUE; 
					thequeue.SendMessage(pcurrent_selected_win->ID, 
						WinSysCloseMSG,pcurrent_selected_win); 
					thequeue.SendMessage(pcurrent_selected_win->ID, 
						DlgOkedMSG,pcurrent_selected_win); 
					break; 
				case CANCEL_ID: 
//				case cancel_button: 
					canclose =TRUE;		// must quit 
					thequeue.SendMessage(pcurrent_selected_win->ID, 
						WinSysCloseMSG,pcurrent_selected_win); 
					thequeue.SendMessage(pcurrent_selected_win->ID, 
						DlgCanceledMSG,pcurrent_selected_win); 
					break; 
			} 
			return TRUE; 
	} 
	return win_class::msg_handler (message); 
}