//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free 
// software: you can redistribute it and/or modify it under the terms of 
// the GNU General Public License as published by the Free Software Foundation, 
// either version 3 of the License, or (at your option) any later version.

// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed 
// in the hope that it will be useful, but with permitted additional restrictions 
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT 
// distributed with this program. You should have received a copy of the 
// GNU General Public License along with permitted additional restrictions 
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection

/* $Header:   F:\projects\c&c\vcs\code\confdlg.cpv   2.17   16 Oct 1995 16:49:52   JOE_BOSTIC  $ */
/***********************************************************************************************
 ***             C O N F I D E N T I A L  ---  W E S T W O O D   S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : Command & Conquer                                            *
 *                                                                                             *
 *                    File Name : CONFDLG.CPP                                                  *
 *                                                                                             *
 *                   Programmer : Maria del Mar McCready Legg                                  *
 *                                  Joe L. Bostic                                              *
 *                                                                                             *
 *                   Start Date : Jan 30, 1995                                                 *
 *                                                                                             *
 *                  Last Update : Jan 30, 1995   [MML]                                         *
 *                                                                                             *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 *   ConfirmationClass::Process -- Handles all the options graphic interface.                  *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

#include	"function.h"
#include	"confdlg.h"


bool ConfirmationClass::Process(int text)
{
	return(Process(Text_String(text)));
}


/***********************************************************************************************
 * ConfirmationClass::Process -- Handles all the options graphic interface.                    *
 *                                                                                             *
 *    This dialog uses an edit box to confirm a deletion.                                      *
 *                                                                                             *
 * INPUT:   	char *string - display in edit box.                                             *
 * OUTPUT:  	none                                                                            *
 * WARNINGS:   none                                                                            *
 * HISTORY:    12/31/1994 MML : Created.                                                       *
 *=============================================================================================*/
bool ConfirmationClass::Process(char const * string)
{
	int factor = (SeenBuff.Get_Width() == 320) ? 1 : 2;

	enum {
		NUM_OF_BUTTONS = 2
	};

	char buffer[80*3];
	int result = true;
	int width;
	int bwidth, bheight;				// button width and height
	int height;
	int selection;
	bool pressed;
	int curbutton;
	TextButtonClass *buttons[NUM_OF_BUTTONS];

	/*
	**	Set up the window.  Window x-coords are in bytes not pixels.
	*/
	strcpy(buffer, string);
	Fancy_Text_Print(TXT_NONE,0,0,TBLACK,TBLACK,TPF_6PT_GRAD | TPF_NOSHADOW);
	Format_Window_String(buffer, 200*factor, width, height);
	width += 60*factor;
	height += 60*factor;
	int x = (320*factor - width) / 2;
	int y = (200*factor - height) / 2;

	Set_Logic_Page(SeenBuff);

	/*
	**	Create Buttons.  Button coords are in pixels, but are window-relative.
	*/

	bheight = FontHeight + FontYSpacing + 2;
	bwidth = MAX( (String_Pixel_Width( Text_String( TXT_YES ) ) + 8), 30U);

	TextButtonClass yesbtn(BUTTON_YES, TXT_YES,
		TPF_6PT_GRAD | TPF_USE_GRAD_PAL | TPF_NOSHADOW,
		x + 10*factor, y + height - (bheight + 5*factor), bwidth );

	TextButtonClass nobtn(BUTTON_NO, TXT_NO,
		TPF_6PT_GRAD | TPF_USE_GRAD_PAL | TPF_NOSHADOW,
		x + width - (bwidth + 10*factor),
		y + height - (bheight + 5*factor), bwidth );

	nobtn.Add_Tail(yesbtn);

	curbutton = 1;
	buttons[0] = &yesbtn;
	buttons[1] = &nobtn;
	buttons[curbutton]->Turn_On();

	/*
	**	This causes left mouse button clicking within the confines of the dialog to
	**	be ignored if it wasn't recognized by any other button or slider.
	*/
	GadgetClass dialog(x, y, width, height, GadgetClass::LEFTPRESS);
	dialog.Add_Tail(yesbtn);

	/*
	**	This causes a right click anywhere or a left click outside the dialog region
	**	to be equivalent to clicking on the return to options dialog.
	*/
	ControlClass background(BUTTON_NO, 0, 0, SeenBuff.Get_Width(), SeenBuff.Get_Height(), GadgetClass::LEFTPRESS|GadgetClass::RIGHTPRESS);
	background.Add_Tail(yesbtn);

	/*
	**	Main Processing Loop.
	*/
	bool display = true;
	bool process = true;
	pressed = false;
	while (process) {

		/*
		**	Invoke game callback.
		*/
		if (GameToPlay == GAME_NORMAL) {
			Call_Back();
		} else {
			if (Main_Loop()) {
				process = false;
				result = false;
			}
		}

		/*
		** If we have just received input focus again after running in the background then
		** we need to redraw.
		*/
		if (AllSurfaces.SurfacesRestored){
			AllSurfaces.SurfacesRestored=FALSE;
			display=TRUE;
		}

		/*
		**	Refresh display if needed.
		*/
		if (display) {
			Hide_Mouse();

			/*
			**	Draw the background.
			*/
			Dialog_Box(x, y, width, height);
			Draw_Caption(TXT_CONFIRMATION, x, y, width);
			Fancy_Text_Print(buffer, x+20*factor, y+30*factor, CC_GREEN, TBLACK, TPF_6PT_GRAD|TPF_USE_GRAD_PAL|TPF_NOSHADOW);

			/*
			**	Draw the titles.
			*/
			yesbtn.Draw_All();
			Show_Mouse();
			display = false;
		}

		/*
		**	Get user input.
		*/
		KeyNumType input = yesbtn.Input();

		/*
		**	Process Input.
		*/
		switch (input) {
			case (BUTTON_YES | KN_BUTTON):
				selection = BUTTON_YES;
				pressed = true;
				break;

			case (KN_ESC):
			case (BUTTON_NO | KN_BUTTON):
				selection = BUTTON_NO;
				pressed = true;
				break;

			case (KN_LEFT):
				buttons[curbutton]->Turn_Off();
				buttons[curbutton]->Flag_To_Redraw();

				curbutton--;
				if (curbutton < 0) {
					curbutton = NUM_OF_BUTTONS - 1;
				}

				buttons[curbutton]->Turn_On();
				buttons[curbutton]->Flag_To_Redraw();
				break;

			case (KN_RIGHT):
				buttons[curbutton]->Turn_Off();
				buttons[curbutton]->Flag_To_Redraw();

				curbutton++;
				if (curbutton > (NUM_OF_BUTTONS - 1) ) {
					curbutton = 0;
				}

				buttons[curbutton]->Turn_On();
				buttons[curbutton]->Flag_To_Redraw();
				break;

			case (KN_RETURN):
				selection = curbutton + BUTTON_YES;
				pressed = true;
				break;

			default:
				break;
		}

		if (pressed) {
			switch (selection) {
				case (BUTTON_YES):
					result = true;
					process = false;
					break;

				case (BUTTON_NO):
					result  = false;
					process = false;
					break;
			}

			pressed = false;
		}
	}
	return(result);
}