Differential D356 Diff 1184 b/fltk/pinwindow.h

Changeset View

Standalone View

b/fltk/pinwindow.h

				/*
				pinwindow.h - PinWindow is a simple fltk dialog for entring password
				with timeout. if needed description (long text), error message, qualitybar
				and etc should used PassWindow.

				Copyright (C) 2016 Anatoly madRat L. Berenblit

				Written by Anatoly madRat L. Berenblit <madrat-@users.noreply.github.com>.

				This program 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 2 of the
				License, or (at your option) any later version.

				This program is distributed in the hope that it will be useful, but
				WITHOUT ANY WARRANTY; without even the implied warranty of
				MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
				General Public License for more details.

				You should have received a copy of the GNU General Public License
				along with this program; if not, write to the Free Software
				Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*/

				#ifndef __PINWINDOW_H__
				#define __PINWINDOW_H__

				#include "config.h"

				class Fl_Window;
				class Fl_Box;
				class Fl_Input;
				class Fl_Button;
				class Fl_Widget;

				#include <assert.h>
				#include <string>

				class PinWindow
				{
				protected:
				static const char *TITLE;
				static const char *BUTTON_OK;
				static const char *BUTTON_CANCEL;
				static const char *PROMPT;

				protected:
				PinWindow(const PinWindow&);
				PinWindow& operator=(const PinWindow&);

				Fl_Window *window_;
				Fl_Box *icon_;

				Fl_Box *message_;
				Fl_Input *input_;

				Fl_Button ok_, cancel_;

				std::string cancel_name_;
				char *passwd_; // SECURE_MEMORY
				unsigned int timeout_; // click cancel if timeout

				public:
				virtual ~PinWindow();

				static PinWindow* create();

				inline const char* passwd() const { return passwd_; }

				virtual void timeout(unsigned int time); // 0 - infinity, seconds
				virtual void title(const char *title);
				virtual void ok(const char* ok);
				virtual void cancel(const char* cancel);
				virtual void prompt(const char *message);

				virtual void showModal();
				virtual void showModal(const int argc, char* argv[]);

				protected:
				PinWindow();

				void wipe(); // clear UI memory
				void release(); // clear secure memory
				void update_cancel_label();

				virtual int init(const int cx, const int cy);

				//callbacks
				static void cancel_cb(Fl_Widget button, void val);
				static void ok_cb(Fl_Widget button, void val);
				static void timeout_cb(void*);

				// ISSUE: Fl_Window component in tinycore works only as Fl_Window::label(...); not Fl_Widget
				template <class TWidget> void set_label(TWidget* widget, const char label, const char def)
				{
				assert(NULL != widget); // widget must be created

				if (NULL != widget)
				{
				if (NULL != label && 0 != *label)
				widget->copy_label(label);
				else
				widget->label(def);
				}
				};
				};

				#endif //#ifndef __PINWINDOW_H__