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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
// Focusable.hh
// Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef FOCUSABLE_HH
#define FOCUSABLE_HH
#include "FbTk/PixmapWithMask.hh"
#include "FbTk/ITypeAheadable.hh"
#include "FbTk/Subject.hh"
#include "FbTk/Signal.hh"
#include "FbTk/FbString.hh"
class BScreen;
class FluxboxWindow;
/**
* A Base class for any object that might be "focused".
* Such as FluxboxWindow, Menu etc
*/
class Focusable: public FbTk::ITypeAheadable {
public:
Focusable(BScreen &scr, FluxboxWindow *fbwin = 0):
m_screen(scr), m_fbwin(fbwin),
m_instance_name("fluxbox"), m_class_name("fluxbox"),
m_focused(false), m_attention_state(false),
m_diesig(*this),
m_attentionsig(*this),
m_focussig(),
m_titlesig() { }
virtual ~Focusable() { }
/**
* Take focus.
* @return true if the focuable took focus
*/
virtual bool focus() { return false; }
/// @return true if the focusable has input focus
virtual bool isFocused() const { return m_focused; }
/// @return return true if it can be focused
virtual bool acceptsFocus() const { return true; }
/// @return true if icon button should appear focused
bool getAttentionState() const { return m_attention_state; }
/// @set the attention state
virtual void setAttentionState(bool value) {
m_attention_state = value; attentionSig().notify();
}
/// @return the screen in which this object resides
BScreen &screen() { return m_screen; }
/// @return the screen in which this object resides
const BScreen &screen() const { return m_screen; }
/**
* For accessing window properties, like shaded, minimized, etc.
* @return window context
*/
const FluxboxWindow *fbwindow() const { return m_fbwin; }
/**
* For accessing window properties, like shaded, minimized, etc.
* @return window context
*/
FluxboxWindow *fbwindow() { return m_fbwin; }
/// @return WM_CLASS class string (for pattern matching)
virtual const FbTk::FbString &getWMClassClass() const { return m_class_name; }
/// @return WM_CLASS name string (for pattern matching)
virtual const FbTk::FbString &getWMClassName() const { return m_instance_name; }
/// @return wm role string (for pattern matching)
virtual std::string getWMRole() const { return "Focusable"; }
virtual FbTk::FbString getTextProperty(Atom prop,bool*exists=NULL) const { return ""; }
virtual long getCardinalProperty(Atom prop,bool*exists=NULL) const { return 0; }
/// @return whether this window is a transient (for pattern matching)
virtual bool isTransient() const { return false; }
// so we can make nice buttons, menu entries, etc.
/// @return icon pixmap of the focusable
virtual const FbTk::PixmapWithMask &icon() const { return m_icon; }
/// @return title string
virtual const FbTk::BiDiString &title() const { return m_title; }
/// @return type ahead string
const std::string &iTypeString() const { return title().logical(); }
/**
* Signaling object to attatch observers to.
*/
class FocusSubject: public FbTk::Subject {
public:
explicit FocusSubject(Focusable &w):m_win(w) { }
/// @return context focusable for this signal
Focusable &win() { return m_win; }
/// @return context focusable for this signal
const Focusable &win() const { return m_win; }
private:
Focusable &m_win; //< the context
};
/**
@name signals
@{
*/
typedef FbTk::Signal<void, const std::string&, Focusable&> TitleSignal;
/// Used for both title and icon changes.
TitleSignal &titleSig() { return m_titlesig; }
/// Used for both title and icon changes.
const TitleSignal &titleSig() const { return m_titlesig; }
FbTk::Signal<void, Focusable&> &focusSig() { return m_focussig; }
const FbTk::Signal<void, Focusable&> &focusSig() const { return m_focussig; }
FbTk::Subject &dieSig() { return m_diesig; }
const FbTk::Subject &dieSig() const { return m_diesig; }
FbTk::Subject &attentionSig() { return m_attentionsig; }
const FbTk::Subject &attentionSig() const { return m_attentionsig; }
/** @} */ // end group signals
/// Notify any listeners that the focus changed for this window.
void notifyFocusChanged() {
m_focussig.emit(*this);
}
protected:
BScreen &m_screen; //< the screen in which it works
FluxboxWindow *m_fbwin; //< the working fluxbox window
FbTk::BiDiString m_title;
FbTk::FbString m_instance_name;
FbTk::FbString m_class_name;
bool m_focused; //< whether or not it has focus
bool m_attention_state; //< state of icon button while demanding attention
FbTk::PixmapWithMask m_icon; //< icon pixmap with mask
// state and hint signals
FocusSubject m_diesig, m_attentionsig;
private:
FbTk::Signal<void, Focusable&> m_focussig;
TitleSignal m_titlesig;
};
#endif // FOCUSABLE_HH
|
