1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
//------------------------------------------------------------------------
// BASE Window class
//------------------------------------------------------------------------
//
// EdTile (C) 2001-2002 Andrew Apted
//
// 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.
//
//------------------------------------------------------------------------
#ifndef __W_BASE_H__
#define __W_BASE_H__
#include <FL/Fl_Window.H>
class WindowBase : public Fl_Window
{
/* This class is meant to be a wrapper around Fl_Window which
* provides a small number of useful services, such as handling the
* problem with some window managers reporting a different position
* than the window was opened at. This class is meant to be
* subclassed, especially for the main app window.
*/
public:
WindowBase(int X, int Y, int W, int H, const char *title);
// this constructor will call end(), the Fl_Group method, turning
// off FLTK's rather dubious (IMO) "auto-add" feature.
virtual ~WindowBase();
void SetQuit();
// call this when the user wants to close the window.
bool CheckQuit() const;
// checks if the user wants to quit (i.e. SetQuit was called).
void RunModal();
// runs the window until the user closes it (or otherwise signals
// to quit). Only useful for (a) the main app window and (b)
// modal windows.
bool HasBeenMoved() const;
bool HasBeenResized() const;
// returns true if the window has been moved/resized by the user,
// i.e. the current position doesn't match the captured initial
// position.
bool MovedOrResized() const
{
return HasBeenMoved() || HasBeenResized();
}
protected:
void CaptureInitialPos();
// capture the initial window position. Call this straight after
// calling show() on the window (in the constructor).
static void quit_callback(Fl_Widget *w, void *data);
// callback function for Fl_Window, which calls SetQuit().
// Designed to be used in derived classes.
private:
// user wants to quit/close the window
bool want_quit;
// initial window position, read after the window manager has had
// a chance to move the window somewhere else. If the window is
// still there at capture-state time, then we know the user didn't
// move the window.
//
int init_x, init_y, init_w, init_h;
void SmallDelay() const;
};
inline void WindowBase::SetQuit()
{
want_quit = true;
}
inline bool WindowBase::CheckQuit() const
{
return want_quit;
}
#endif /* __W_BASE_H__ */
|
