FLTK 1.4.4: Fl_Message.h Source File

FLTK 1.4.4

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Fl_Message.h
1//
2// Common dialog header file for the Fast Light Tool Kit (FLTK).
3//
4// Copyright 1998-2022 by Bill Spitzak and others.
5//
6// This library is free software. Distribution and use rights are outlined in
7// the file "COPYING" which should have been included with this file. If this
8// file is missing or damaged, see the license at:
9//
10// https://www.fltk.org/COPYING.php
11//
12// Please see the following page on how to report bugs and issues:
13//
14// https://www.fltk.org/bugs.php
15//
16
17#ifndef _src_Fl_Message_h_
18#define _src_Fl_Message_h_
19
20#include <FL/Fl_Window.H>
21#include <FL/Fl_Box.H>
22#include <FL/fl_ask.H>
23
24class Fl_Button;
25class Fl_Input;
26
34
41
42/* Note: Do not FL_EXPORT this class, it's for internal use only */
43
44class Fl_Message_Box : public Fl_Box {
45public:
46 Fl_Message_Box(int X, int Y, int W, int H)
47 : Fl_Box(X, Y, W, H) {}
48 int handle(int e) FL_OVERRIDE;
49}; // class Fl_Message_Box
50
71
72/* Note: Do not FL_EXPORT this class, it's for internal use only */
73
74class Fl_Message {
75
76 // static variables and methods
77
78private:
79 static Fl_Box *message_icon_; // returned by Fl_Message::message_icon()
80
81 static const char *message_title_;
82 static const char *message_title_default_;
83
84 // icon label for next dialog (STR #2762)
85 static const char *message_icon_label_;
86
87 // Note: since Fl_Message objects are destroyed before fl_input()
88 // and fl_password() return their input text, we *need* to store
89 // the text in an internal (static) buffer. :-(
90
91 static char *input_buffer_; // points to the allocated text buffer
92 static int input_size_; // size of allocated text buffer
93
94 // the callback for all buttons:
95 static void button_cb_(Fl_Widget *w, void *d);
96
97 // the window callback:
98 static void window_cb_(Fl_Widget *w, void *d);
99
100 // resize to make text and buttons fit
101 void resizeform();
102
103public:
104 static Fl_Box *message_icon();
105 static void message_title(const char *title);
106 static void message_title_default(const char *title);
107 static void icon_label(const char *str);
108
110 static void message_position(const int x, const int y, const int center) {
111 form_x_ = x;
112 form_y_ = y;
113 form_position_ = center ? 2 : 1;
114 }
115
117 static void message_position(Fl_Widget *widget) {
118 int xo, yo;
119 Fl_Window *win = widget->top_window_offset(xo, yo);
120 form_x_ = xo + widget->w() / 2;
121 form_y_ = yo + widget->h() / 2;
122 if (win) {
123 form_x_ += win->x();
124 form_y_ += win->y();
125 }
126 form_position_ = 2;
127 }
128
130 static int message_position(int *x, int *y) {
131 if (x)
132 *x = form_position_ ? form_x_ : -1;
133 if (y)
134 *y = form_position_ ? form_y_ : -1;
135 return form_position_;
136 }
137
139 static void message_hotspot(int enable) { enable_hotspot_ = enable ? 1 : 0; }
140
142 static int message_hotspot() { return enable_hotspot_; }
143
144 int window_closed() const {
145 return window_closed_;
146 }
147
148 // member variables and methods
149
150private:
151 Fl_Window *window_;
152 Fl_Message_Box *message_;
153 Fl_Box *icon_;
154 Fl_Button *button_[3];
155 Fl_Input *input_;
156 int retval_;
157 int window_closed_;
158
159 // static (private) variables
160
161 static int enable_hotspot_;
162 static int form_x_;
163 static int form_y_;
164 static int form_position_;
165
166public:
167 // Constructor
168 Fl_Message(const char *iconlabel);
170 ~Fl_Message() { delete window_; }
171
172 int innards(const char *fmt, va_list ap, const char *b0, const char *b1, const char *b2);
173
174 const char *input_innards(const char *fmt, va_list ap, const char *defstr, uchar type, int maxchar = -1, bool str = false);
175};
176
181
182#endif // _src_Fl_Message_h_
Fl_Box.H
Fl_Box widget.
Fl_Window.H
Fl_Window widget .
Fl_Box
This widget simply draws its box, and possibly its label.
Definition Fl_Box.H:34
Fl_Box::handle
int handle(int) FL_OVERRIDE
Handles the specified event.
Definition Fl_Box.cxx:37
Fl_Button
Buttons generate callbacks when they are clicked by the user.
Definition Fl_Button.H:76
Fl_Input
This is the FLTK text input widget.
Definition Fl_Input.H:220
Fl_Widget::x
void x(int v)
Internal use only.
Definition Fl_Widget.H:150
Fl_Widget::w
void w(int v)
Internal use only.
Definition Fl_Widget.H:154
Fl_Widget::y
void y(int v)
Internal use only.
Definition Fl_Widget.H:152
Fl_Widget::h
void h(int v)
Internal use only.
Definition Fl_Widget.H:156
Fl_Widget::top_window_offset
Fl_Window * top_window_offset(int &xoff, int &yoff) const
Finds the x/y offset of the current widget relative to the top-level window.
Definition Fl_Window.cxx:130
fl_ask.H
API for common dialogs.
FL_OVERRIDE
#define FL_OVERRIDE
This macro makes it safe to use the C++11 keyword override with older compilers.
Definition fl_attr.h:46
uchar
unsigned char uchar
unsigned char
Definition fl_types.h:30