Aegisub/src/video_slider.h

73 lines
2.7 KiB
C++

// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
#include <libaegisub/signal.h>
#include <vector>
#include <wx/window.h>
namespace agi { struct Context; }
class VideoController;
class AsyncVideoProvider;
/// @class VideoSlider
/// @brief Slider for displaying and adjusting the video position
class VideoSlider: public wxWindow {
agi::Context *c; ///< Associated project context
std::vector<int> keyframes; ///< Currently loaded keyframes
std::vector<agi::signal::Connection> connections;
int val = 0; ///< Current frame number
int max = 1; ///< Last frame number
/// Get the frame number for the given x coordinate
int GetValueAtX(int x);
/// Get the x-coordinate for a frame number
int GetXAtValue(int value);
/// Set the position of the slider
void SetValue(int value);
/// Video open event handler
void VideoOpened(AsyncVideoProvider *new_provider);
/// Keyframe open even handler
void KeyframesChanged(std::vector<int> const& newKeyframes);
void OnMouse(wxMouseEvent &event);
void OnKeyDown(wxKeyEvent &event);
void OnCharHook(wxKeyEvent &event);
void OnPaint(wxPaintEvent &);
void OnFocus(wxFocusEvent &);
public:
VideoSlider(wxWindow* parent, agi::Context *c);
DECLARE_EVENT_TABLE()
};