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-rw-r--r--src/FbTk/DefaultValue.hh82
-rw-r--r--src/FbTk/Makefile.am2
-rw-r--r--src/Window.cc4
-rw-r--r--src/Window.hh8
4 files changed, 91 insertions, 5 deletions
diff --git a/src/FbTk/DefaultValue.hh b/src/FbTk/DefaultValue.hh
new file mode 100644
index 0000000..a89ad0a
--- /dev/null
+++ b/src/FbTk/DefaultValue.hh
@@ -0,0 +1,82 @@
1// DefaultValue.hh
2// Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22#ifndef FBTK_DEFAULTVALUE_HH
23#define FBTK_DEFAULTVALUE_HH
24
25namespace FbTk {
26
27// classes for overriding default values without having to listen for changes
28template <typename T>
29class DefaultValue {
30public:
31 DefaultValue(const T &def):
32 m_default(def), m_actual(def), m_use_default(true) { }
33
34 inline const T &get() const { return m_use_default ? m_default : m_actual; }
35 inline void set(const T &val) { m_use_default = false; m_actual = val; }
36 inline void restoreDefault() { m_use_default = true; }
37 inline void isDefault() const { return m_use_default; }
38
39 inline DefaultValue<T> &operator =(const T &val) {
40 set(val); return *this;
41 }
42
43 inline operator T() const { return get(); }
44
45private:
46 const T &m_default;
47 T m_actual;
48 bool m_use_default;
49};
50
51// designed for use with built-in types T, thus no need to return references
52template <typename T, typename Receiver>
53class DefaultAccessor {
54public:
55 typedef T (Receiver:: *Accessor)() const;
56 DefaultAccessor(const Receiver &r, Accessor a):
57 m_receiver(r), m_accessor(a), m_actual((r.*a)()),
58 m_use_default(true) { }
59
60 inline const T get() const {
61 return m_use_default ? (m_receiver.*m_accessor)() : m_actual;
62 }
63 inline void set(const T &val) { m_use_default = false; m_actual = val; }
64 inline void restoreDefault() { m_use_default = true; }
65 inline void isDefault() const { return m_use_default; }
66
67 inline DefaultAccessor<T, Receiver> &operator =(const T &val) {
68 set(val); return *this;
69 }
70
71 inline operator T() const { return get(); }
72
73private:
74 const Receiver &m_receiver;
75 Accessor &m_accessor;
76 T m_actual;
77 bool m_use_default;
78};
79
80}; // end namespace FbTk
81
82#endif // FBTK_DEFAULTVALUE_HH
diff --git a/src/FbTk/Makefile.am b/src/FbTk/Makefile.am
index 081bd07..0de5475 100644
--- a/src/FbTk/Makefile.am
+++ b/src/FbTk/Makefile.am
@@ -16,7 +16,7 @@ imlib2_SOURCE= ImageImlib2.hh ImageImlib2.cc
16endif 16endif
17 17
18libFbTk_a_SOURCES = App.hh App.cc Color.cc Color.hh Command.hh \ 18libFbTk_a_SOURCES = App.hh App.cc Color.cc Color.hh Command.hh \
19 ObjectRegistry.hh \ 19 ObjectRegistry.hh DefaultValue.hh \
20 FileUtil.hh FileUtil.cc \ 20 FileUtil.hh FileUtil.cc \
21 EventHandler.hh EventManager.hh EventManager.cc \ 21 EventHandler.hh EventManager.hh EventManager.cc \
22 FbWindow.hh FbWindow.cc Font.cc Font.hh FontImp.hh \ 22 FbWindow.hh FbWindow.cc Font.cc Font.hh FontImp.hh \
diff --git a/src/Window.cc b/src/Window.cc
index 5eb380e..8126e9e 100644
--- a/src/Window.cc
+++ b/src/Window.cc
@@ -264,8 +264,8 @@ FluxboxWindow::FluxboxWindow(WinClient &client, FbWinFrameTheme &tm,
264 m_toggled_decos(false), 264 m_toggled_decos(false),
265 m_icon_hidden(false), 265 m_icon_hidden(false),
266 m_focus_hidden(false), 266 m_focus_hidden(false),
267 m_focus_new(screen().focusControl().focusNew()), 267 m_focus_new(screen().focusControl(), &FocusControl::focusNew),
268 m_mouse_focus(screen().focusControl().isMouseFocus()), 268 m_mouse_focus(screen().focusControl(), &FocusControl::isMouseFocus),
269 m_click_focus(true), 269 m_click_focus(true),
270 m_old_pos_x(0), m_old_pos_y(0), 270 m_old_pos_x(0), m_old_pos_y(0),
271 m_old_width(1), m_old_height(1), 271 m_old_width(1), m_old_height(1),
diff --git a/src/Window.hh b/src/Window.hh
index d0db606..5dbe055 100644
--- a/src/Window.hh
+++ b/src/Window.hh
@@ -27,6 +27,7 @@
27#ifndef WINDOW_HH 27#ifndef WINDOW_HH
28#define WINDOW_HH 28#define WINDOW_HH
29 29
30#include "FbTk/DefaultValue.hh"
30#include "FbTk/Timer.hh" 31#include "FbTk/Timer.hh"
31#include "FbTk/Subject.hh" 32#include "FbTk/Subject.hh"
32#include "FbTk/Observer.hh" 33#include "FbTk/Observer.hh"
@@ -49,6 +50,7 @@ class WinClient;
49class FbWinFrameTheme; 50class FbWinFrameTheme;
50class BScreen; 51class BScreen;
51class FbWinFrame; 52class FbWinFrame;
53class FocusControl;
52 54
53namespace FbTk { 55namespace FbTk {
54class TextButton; 56class TextButton;
@@ -609,8 +611,10 @@ private:
609 611
610 bool m_icon_hidden; ///< if the window is in the iconbar 612 bool m_icon_hidden; ///< if the window is in the iconbar
611 bool m_focus_hidden; ///< if the window is in the NextWindow list 613 bool m_focus_hidden; ///< if the window is in the NextWindow list
612 bool m_focus_new; ///< if the window is normally focused when mapped 614 /// if the window is normally focused when mapped
613 bool m_mouse_focus; ///< if the window is focused with EnterNotify 615 FbTk::DefaultAccessor<bool, FocusControl> m_focus_new;
616 /// if the window is focused with EnterNotify
617 FbTk::DefaultAccessor<bool, FocusControl> m_mouse_focus;
614 bool m_click_focus; ///< if the window is focused by clicking 618 bool m_click_focus; ///< if the window is focused by clicking
615 int m_old_pos_x, m_old_pos_y; ///< old position so we can restore from maximized 619 int m_old_pos_x, m_old_pos_y; ///< old position so we can restore from maximized
616 unsigned int m_old_width, m_old_height; ///< old size so we can restore from maximized state 620 unsigned int m_old_width, m_old_height; ///< old size so we can restore from maximized state