75 lines
3.1 KiB
C++
75 lines
3.1 KiB
C++
// FocusableTheme.hh
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// Copyright (c) 2008 Fluxbox Team (fluxgen at fluxbox dot org)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#ifndef FOCUSABLETHEME_HH
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#define FOCUSABLETHEME_HH
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#include "Focusable.hh"
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#include "FbTk/Observer.hh"
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#include "FbTk/Theme.hh"
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#include "FbTk/RelaySignal.hh"
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template <typename BaseTheme>
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class FocusableTheme: public FbTk::ThemeProxy<BaseTheme>,
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private FbTk::Observer {
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public:
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FocusableTheme(Focusable &win, FbTk::ThemeProxy<BaseTheme> &focused,
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FbTk::ThemeProxy<BaseTheme> &unfocused):
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m_win(win), m_focused_theme(focused), m_unfocused_theme(unfocused) {
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// relay focus signal to reconfig signal
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FbTk::relaySignal(m_signals, m_win.focusSig(), m_reconfig_sig);
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m_win.attentionSig().attach(this);
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m_focused_theme.reconfigSig().attach(this);
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m_unfocused_theme.reconfigSig().attach(this);
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}
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Focusable &win() { return m_win; }
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const Focusable &win() const { return m_win; }
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FbTk::ThemeProxy<BaseTheme> &focusedTheme() { return m_focused_theme; }
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const FbTk::ThemeProxy<BaseTheme> &focusedTheme() const { return m_focused_theme; }
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FbTk::ThemeProxy<BaseTheme> &unfocusedTheme() { return m_unfocused_theme; }
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const FbTk::ThemeProxy<BaseTheme> &unfocusedTheme() const { return m_unfocused_theme; }
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FbTk::Subject &reconfigSig() { return m_reconfig_sig; }
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const FbTk::Subject &reconfigSig() const { return m_reconfig_sig; }
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virtual BaseTheme &operator *() {
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return (m_win.isFocused() || m_win.getAttentionState()) ?
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*m_focused_theme : *m_unfocused_theme;
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}
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virtual const BaseTheme &operator *() const {
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return (m_win.isFocused() || m_win.getAttentionState()) ?
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*m_focused_theme : *m_unfocused_theme;
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}
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private:
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void update(FbTk::Subject *subj) { m_reconfig_sig.notify(); }
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Focusable &m_win;
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FbTk::ThemeProxy<BaseTheme> &m_focused_theme, &m_unfocused_theme;
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FbTk::Subject m_reconfig_sig;
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FbTk::SignalTracker m_signals;
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};
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#endif // FOCUSABLETHEME_HH
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