forked from mia/Aegisub
0d4846d012
Return wxNullColor rather than the original color on cancel so that the calling code can actually tell if it was cancelled. If one of the subs edit box color buttons is cancelled, undo the changes made rather than restoring the original text of the active line. This makes the cancel button actually work with multiple lines selected, and eliminates some undo state noise. Closes #1465. Originally committed to SVN as r6663.
68 lines
3.1 KiB
C++
68 lines
3.1 KiB
C++
// Copyright (c) 2010, Thomas Goyne <plorkyeran@aegisub.org>
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file dialog_colorpicker.h
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/// @see dialog_colorpicker.cpp
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/// @ingroup tools_ui
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///
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#ifndef AGI_PRE
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#include <wx/colour.h>
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#endif
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/// Callback function for GetColorFromUser
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typedef void (*ColorCallback)(void* userdata, wxColor color);
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/// Wrapper used by templated version of GetColorFromUser
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template<class T, void (T::*method)(wxColor)>
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void ColorCallbackWrapper(void* obj, wxColor color) {
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(static_cast<T*>(obj)->*method)(color);
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}
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/// @brief Get a color from the user via a color picker dialog
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/// @param parent Parent window
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/// @param original Initial color to select
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/// @param callback Function called whenever the selected color changes if not NULL
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/// @param userdata Passed to callback function
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/// @return Last selected color when dialog is closed, or wxNullColour if the dialog was cancelled
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wxColor GetColorFromUser(wxWindow* parent, wxColor original, ColorCallback callback = NULL, void* userdata = NULL);
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/// @brief Get a color from the user via a color picker dialog
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/// @param T Class which the callback method belongs to
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/// @param method Callback method
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/// @param parent Parent window
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/// @param original Initial color to select
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/// @param callbackObj Object to call callback method on. Must be of type T.
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/// @return Last selected color when dialog is closed, or wxNullColour if the dialog was cancelled
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template<class T, void (T::*method)(wxColor)>
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wxColor GetColorFromUser(wxWindow* parent, wxColor original, T* callbackObj) {
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return GetColorFromUser(parent, original, &ColorCallbackWrapper<T, method>, callbackObj);
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}
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