Fl_Message.h

//
// Common dialog header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
//     https://www.fltk.org/bugs.php
//
 
#ifndef _src_Fl_Message_h_
#define _src_Fl_Message_h_
 
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
#include <FL/fl_ask.H>
 
class Fl_Button;
class Fl_Input;
 
/* Note: Do not FL_EXPORT this class, it's for internal use only */
 
class Fl_Message_Box : public Fl_Box {
public:
  Fl_Message_Box(int X, int Y, int W, int H)
    : Fl_Box(X, Y, W, H) {}
  int handle(int e) FL_OVERRIDE;
}; // class Fl_Message_Box
 
/* Note: Do not FL_EXPORT this class, it's for internal use only */
 
class Fl_Message {
 
  // static variables and methods
 
private:
  static Fl_Box *message_icon_; // returned by Fl_Message::message_icon()
 
  static const char *message_title_;
  static const char *message_title_default_;
 
  // icon label for next dialog (STR #2762)
  static const char *message_icon_label_;
 
  // Note: since Fl_Message objects are destroyed before fl_input()
  // and fl_password() return their input text, we *need* to store
  // the text in an internal (static) buffer. :-(
 
  static char *input_buffer_; // points to the allocated text buffer
  static int input_size_;     // size of allocated text buffer
 
  // the callback for all buttons:
  static void button_cb_(Fl_Widget *w, void *d);
 
  // the window callback:
  static void window_cb_(Fl_Widget *w, void *d);
 
  // resize to make text and buttons fit
  void resizeform();
 
public:
  static Fl_Box *message_icon();
  static void message_title(const char *title);
  static void message_title_default(const char *title);
  static void icon_label(const char *str);
 
  static void message_position(const int x, const int y, const int center) {
    form_x_ = x;
    form_y_ = y;
    form_position_ = center ? 2 : 1;
  }
 
  static void message_position(Fl_Widget *widget) {
    int xo, yo;
    Fl_Window *win = widget->top_window_offset(xo, yo);
    form_x_ = xo + widget->w() / 2;
    form_y_ = yo + widget->h() / 2;
    if (win) {
      form_x_ += win->x();
      form_y_ += win->y();
    }
    form_position_ = 2;
  }
 
  static int message_position(int *x, int *y) {
    if (x)
      *x = form_position_ ? form_x_ : -1;
    if (y)
      *y = form_position_ ? form_y_ : -1;
    return form_position_;
  }
 
  static void message_hotspot(int enable) { enable_hotspot_ = enable ? 1 : 0; }
 
  static int message_hotspot() { return enable_hotspot_; }
 
  int window_closed() const {
    return window_closed_;
  }
 
  // member variables and methods
 
private:
  Fl_Window *window_;         
  Fl_Message_Box *message_;   
  Fl_Box *icon_;              
  Fl_Button *button_[3];      
  Fl_Input *input_;           
  int retval_;                
  int window_closed_;         
 
  // static (private) variables
 
  static int enable_hotspot_; 
  static int form_x_;         
  static int form_y_;         
  static int form_position_;  
 
public:
  // Constructor
  Fl_Message(const char *iconlabel);
  ~Fl_Message() { delete window_; }
 
  int innards(const char *fmt, va_list ap, const char *b0, const char *b1, const char *b2);
 
  const char *input_innards(const char *fmt, va_list ap, const char *defstr, uchar type, int maxchar = -1, bool str = false);
};
 
#endif // _src_Fl_Message_h_