iqbalrifai
/
Aegisub
mirror of https://github.com/odrling/Aegisub
1
0
Fork 0
Code Issues Releases Wiki Activity
Aegisub/aegisub/src/audio_display.cpp

1293 lines
37 KiB
C++
Raw Blame History

// Copyright (c) 2005, Rodrigo Braz Monteiro
// Copyright (c) 2009-2010, Niels Martin Hansen
// 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/
//
// $Id$
/// @file audio_display.cpp
/// @brief Display audio in the main UI
/// @ingroup audio_ui
///
#include "config.h"
#include "audio_display.h"
#ifndef AGI_PRE
#include <algorithm>
#include <wx/dcbuffer.h>
#include <wx/dcclient.h>
#include <wx/mousestate.h>
#endif
#include "ass_time.h"
#include "audio_colorscheme.h"
#include "audio_controller.h"
#include "audio_renderer.h"
#include "audio_renderer_spectrum.h"
#include "audio_renderer_waveform.h"
#include "audio_timing.h"
#include "block_cache.h"
#include "compat.h"
#include "include/aegisub/context.h"
#include "include/aegisub/hotkey.h"
#include "main.h"
#include "selection_controller.h"
#include "utils.h"
#include "video_context.h"
/// @brief Colourscheme-based UI colour provider
///
/// This class provides UI colours corresponding to the supplied audio colour
/// scheme.
///
/// SetColourScheme must be called to set the active colour scheme before
/// colours can be retrieved
class UIColours {
wxColour light_colour; ///< Light unfocused colour from the colour scheme
wxColour dark_colour; ///< Dark unfocused colour from the colour scheme
wxColour sel_colour; ///< Selection unfocused colour from the colour scheme
wxColour light_focused_colour; ///< Light focused colour from the colour scheme
wxColour dark_focused_colour; ///< Dark focused colour from the colour scheme
wxColour sel_focused_colour; ///< Selection focused colour from the colour scheme
bool focused; ///< Use the focused colours?
public:
/// Constructor
UIColours() : focused(false) { }
/// Set the colour scheme to load colours from
/// @param name Name of the colour scheme
void SetColourScheme(std::string const& name)
{
std::string opt_prefix = "Colour/Schemes/" + name + "/UI/";
light_colour = lagi_wxColour(OPT_GET(opt_prefix + "Light")->GetColour());
dark_colour = lagi_wxColour(OPT_GET(opt_prefix + "Dark")->GetColour());
sel_colour = lagi_wxColour(OPT_GET(opt_prefix + "Selection")->GetColour());
opt_prefix = "Colour/Schemes/" + name + "/UI Focused/";
light_focused_colour = lagi_wxColour(OPT_GET(opt_prefix + "Light")->GetColour());
dark_focused_colour = lagi_wxColour(OPT_GET(opt_prefix + "Dark")->GetColour());
sel_focused_colour = lagi_wxColour(OPT_GET(opt_prefix + "Selection")->GetColour());
}
/// Set whether to use the focused or unfocused colours
/// @param focused If true, focused colours will be returned
void SetFocused(bool focused) { this->focused = focused; }
/// Get the current Light colour
wxColour Light() const { return focused ? light_focused_colour : light_colour; }
/// Get the current Dark colour
wxColour Dark() const { return focused ? dark_focused_colour : dark_colour; }
/// Get the current Selection colour
wxColour Selection() const { return focused ? sel_focused_colour : sel_colour; }
};
class AudioDisplayScrollbar : public AudioDisplayInteractionObject {
static const int height = 15;
static const int min_width = 10;
wxRect bounds;
wxRect thumb;
bool dragging; ///< user is dragging with the primary mouse button
int data_length; ///< total amount of data in control
int page_length; ///< amount of data in one page
int position; ///< first item displayed
int sel_start; ///< first data item in selection
int sel_length; ///< number of data items in selection
UIColours colours; ///< Colour provider
/// Containing display to send scroll events to
AudioDisplay *display;
// Recalculate thumb bounds from position and length data
void RecalculateThumb()
{
thumb.width = std::max<int>(min_width, (int64_t)bounds.width * page_length / data_length);
thumb.height = height;
thumb.x = int((int64_t)bounds.width * position / data_length);
thumb.y = bounds.y;
}
public:
AudioDisplayScrollbar(AudioDisplay *display)
: dragging(false)
, data_length(1)
, page_length(1)
, position(0)
, sel_start(-1)
, sel_length(0)
, display(display)
{
}
/// The audio display has changed size
void SetDisplaySize(const wxSize &display_size)
{
bounds.x = 0;
bounds.y = display_size.y - height;
bounds.width = display_size.x;
bounds.height = height;
page_length = display_size.x;
RecalculateThumb();
}
void SetColourScheme(std::string const& name)
{
colours.SetColourScheme(name);
}
const wxRect & GetBounds() const { return bounds; }
int GetPosition() const { return position; }
int SetPosition(int new_position)
{
// These two conditionals can't be swapped, otherwise the position can become
// negative if the entire data is shorter than one page.
if (new_position + page_length >= data_length)
new_position = data_length - page_length - 1;
if (new_position < 0)
new_position = 0;
position = new_position;
RecalculateThumb();
return position;
}
void SetSelection(int new_start, int new_length)
{
sel_start = (int64_t)new_start * bounds.width / data_length;
sel_length = (int64_t)new_length * bounds.width / data_length;
}
void ChangeLengths(int new_data_length, int new_page_length)
{
data_length = new_data_length;
page_length = new_page_length;
RecalculateThumb();
}
bool OnMouseEvent(wxMouseEvent &event)
{
if (event.LeftIsDown())
{
const int thumb_left = event.GetPosition().x - thumb.width/2;
const int data_length_less_page = data_length - page_length;
const int shaft_length_less_thumb = bounds.width - thumb.width;
display->ScrollPixelToLeft((int64_t)data_length_less_page * thumb_left / shaft_length_less_thumb);
dragging = true;
}
else if (event.LeftUp())
{
dragging = false;
}
return dragging;
}
void Paint(wxDC &dc, bool has_focus)
{
colours.SetFocused(has_focus);
dc.SetPen(wxPen(colours.Light()));
dc.SetBrush(wxBrush(colours.Dark()));
dc.DrawRectangle(bounds);
if (sel_length > 0 && sel_start >= 0)
{
dc.SetPen(wxPen(colours.Selection()));
dc.SetBrush(wxBrush(colours.Selection()));
dc.DrawRectangle(wxRect(sel_start, bounds.y, sel_length, bounds.height));
}
dc.SetPen(wxPen(colours.Light()));
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawRectangle(bounds);
dc.SetPen(wxPen(colours.Light()));
dc.SetBrush(wxBrush(colours.Light()));
dc.DrawRectangle(thumb);
}
};
const int AudioDisplayScrollbar::min_width;
class AudioDisplayTimeline : public AudioDisplayInteractionObject {
int duration; ///< Total duration in ms
double ms_per_pixel; ///< Milliseconds per pixel
int pixel_left; ///< Leftmost visible pixel (i.e. scroll position)
wxRect bounds;
wxPoint drag_lastpos;
bool dragging;
enum Scale {
Sc_Millisecond,
Sc_Centisecond,
Sc_Decisecond,
Sc_Second,
Sc_Decasecond,
Sc_Minute,
Sc_Decaminute,
Sc_Hour,
Sc_Decahour, // If anyone needs this they should reconsider their project
Sc_MAX = Sc_Decahour
};
Scale scale_minor;
int scale_major_modulo; ///< If minor_scale_mark_index % scale_major_modulo == 0 the mark is a major mark
double scale_minor_divisor; ///< Absolute scale-mark index multiplied by this number gives sample index for scale mark
AudioDisplay *display; ///< Containing audio display
UIColours colours; ///< Colour provider
public:
AudioDisplayTimeline(AudioDisplay *display)
: duration(0)
, ms_per_pixel(1.0)
, pixel_left(0)
, dragging(false)
, display(display)
{
int width, height;
display->GetTextExtent("0123456789:.", &width, &height);
bounds.height = height + 4;
}
void SetColourScheme(std::string const& name)
{
colours.SetColourScheme(name);
}
void SetDisplaySize(const wxSize &display_size)
{
// The size is without anything that goes below the timeline (like scrollbar)
bounds.width = display_size.x;
bounds.x = 0;
bounds.y = 0;
}
int GetHeight() const { return bounds.height; }
const wxRect & GetBounds() const { return bounds; }
void ChangeAudio(int new_duration)
{
duration = new_duration;
}
void ChangeZoom(double new_ms_per_pixel)
{
ms_per_pixel = new_ms_per_pixel;
double px_sec = 1000.0 / ms_per_pixel;
if (px_sec > 3000) {
scale_minor = Sc_Millisecond;
scale_minor_divisor = 1.0;
scale_major_modulo = 10;
} else if (px_sec > 300) {
scale_minor = Sc_Centisecond;
scale_minor_divisor = 10.0;
scale_major_modulo = 10;
} else if (px_sec > 30) {
scale_minor = Sc_Decisecond;
scale_minor_divisor = 100.0;
scale_major_modulo = 10;
} else if (px_sec > 3) {
scale_minor = Sc_Second;
scale_minor_divisor = 1000.0;
scale_major_modulo = 10;
} else if (px_sec > 1.0/3.0) {
scale_minor = Sc_Decasecond;
scale_minor_divisor = 10000.0;
scale_major_modulo = 6;
} else if (px_sec > 1.0/9.0) {
scale_minor = Sc_Minute;
scale_minor_divisor = 60000.0;
scale_major_modulo = 10;
} else if (px_sec > 1.0/90.0) {
scale_minor = Sc_Decaminute;
scale_minor_divisor = 600000.0;
scale_major_modulo = 6;
} else {
scale_minor = Sc_Hour;
scale_minor_divisor = 3600000.0;
scale_major_modulo = 10;
}
}
void SetPosition(int new_pixel_left)
{
pixel_left = std::max(new_pixel_left, 0);
}
bool OnMouseEvent(wxMouseEvent &event)
{
if (event.LeftDown())
{
drag_lastpos = event.GetPosition();
dragging = true;
}
else if (event.LeftIsDown())
{
display->ScrollPixelToLeft(pixel_left - event.GetPosition().x + drag_lastpos.x);
drag_lastpos = event.GetPosition();
dragging = true;
}
else if (event.LeftUp())
{
dragging = false;
}
return dragging;
}
void Paint(wxDC &dc)
{
int bottom = bounds.y + bounds.height;
// Background
dc.SetPen(wxPen(colours.Dark()));
dc.SetBrush(wxBrush(colours.Dark()));
dc.DrawRectangle(bounds);
// Top line
dc.SetPen(wxPen(colours.Light()));
dc.DrawLine(bounds.x, bottom-1, bounds.x+bounds.width, bottom-1);
// Prepare for writing text
dc.SetTextBackground(colours.Dark());
dc.SetTextForeground(colours.Light());
// Figure out the first scale mark to show
int ms_left = int(pixel_left * ms_per_pixel);
int next_scale_mark = int(ms_left / scale_minor_divisor);
if (next_scale_mark * scale_minor_divisor < ms_left)
next_scale_mark += 1;
assert(next_scale_mark * scale_minor_divisor >= ms_left);
// Draw scale marks
int next_scale_mark_pos;
int last_text_right = -1;
int last_hour = -1, last_minute = -1;
if (duration < 3600) last_hour = 0; // Trick to only show hours if audio is longer than 1 hour
do {
next_scale_mark_pos = int(next_scale_mark * scale_minor_divisor / ms_per_pixel) - pixel_left;
bool mark_is_major = next_scale_mark % scale_major_modulo == 0;
if (mark_is_major)
dc.DrawLine(next_scale_mark_pos, bottom-6, next_scale_mark_pos, bottom-1);
else
dc.DrawLine(next_scale_mark_pos, bottom-4, next_scale_mark_pos, bottom-1);
// Print time labels on major scale marks
if (mark_is_major && next_scale_mark_pos > last_text_right)
{
double mark_time = next_scale_mark * scale_minor_divisor / 1000.0;
int mark_hour = (int)(mark_time / 3600);
int mark_minute = (int)(mark_time / 60) % 60;
double mark_second = mark_time - mark_hour*3600 - mark_minute*60;
wxString time_string;
bool changed_hour = mark_hour != last_hour;
bool changed_minute = mark_minute != last_minute;
if (changed_hour)
{
time_string = wxString::Format("%d:%02d:", mark_hour, mark_minute);
last_hour = mark_hour;
last_minute = mark_minute;
}
else if (changed_minute)
{
time_string = wxString::Format("%d:", mark_minute);
last_minute = mark_minute;
}
if (scale_minor >= Sc_Decisecond)
time_string += wxString::Format("%02d", (int)mark_second);
else if (scale_minor == Sc_Centisecond)
time_string += wxString::Format("%02.1f", mark_second);
else
time_string += wxString::Format("%02.2f", mark_second);
int tw, th;
dc.GetTextExtent(time_string, &tw, &th);
last_text_right = next_scale_mark_pos + tw;
dc.DrawText(time_string, next_scale_mark_pos, 0);
}
next_scale_mark += 1;
} while (next_scale_mark_pos < bounds.width);
}
};
class AudioMarkerInteractionObject : public AudioDisplayInteractionObject {
// Object-pair being interacted with
std::vector<AudioMarker*> markers;
AudioTimingController *timing_controller;
// Audio display drag is happening on
AudioDisplay *display;
// Audio controller managing it all
AudioController *controller;
// Mouse button used to initiate the drag
wxMouseButton button_used;
// Default to snapping to snappable markers
bool default_snap;
// Range in pixels to snap at
int snap_range;
public:
AudioMarkerInteractionObject(std::vector<AudioMarker*> markers, AudioTimingController *timing_controller, AudioDisplay *display, AudioController *controller, wxMouseButton button_used)
: markers(markers)
, timing_controller(timing_controller)
, display(display)
, controller(controller)
, button_used(button_used)
, default_snap(OPT_GET("Audio/Snap/Enable")->GetBool())
, snap_range(OPT_GET("Audio/Snap/Distance")->GetInt())
{
}
bool OnMouseEvent(wxMouseEvent &event)
{
if (event.Dragging())
{
timing_controller->OnMarkerDrag(
markers,
display->TimeFromRelativeX(event.GetPosition().x),
default_snap != event.ShiftDown() ? display->TimeFromAbsoluteX(snap_range) : 0);
}
// We lose the marker drag if the button used to initiate it goes up
return !event.ButtonUp(button_used);
}
/// Get the position in milliseconds of this group of markers
int GetPosition() const { return markers.front()->GetPosition(); }
};
class AudioStyleRangeMerger : public AudioRenderingStyleRanges {
typedef std::map<int, AudioRenderingStyle> style_map;
public:
typedef style_map::iterator iterator;
private:
style_map points;
void Split(int point)
{
iterator it = points.lower_bound(point);
if (it == points.end() || it->first != point)
{
assert(it != points.begin());
points[point] = (--it)->second;
}
}
void Restyle(int start, int end, AudioRenderingStyle style)
{
assert(points.lower_bound(end) != points.end());
for (iterator pt = points.lower_bound(start); pt->first < end; ++pt)
{
if (style > pt->second)
pt->second = style;
}
}
public:
AudioStyleRangeMerger()
{
points[0] = AudioStyle_Normal;
}
void AddRange(int start, int end, AudioRenderingStyle style)
{
if (start < 0) start = 0;
if (end < start) return;
Split(start);
Split(end);
Restyle(start, end, style);
}
iterator begin() { return points.begin(); }
iterator end() { return points.end(); }
};
AudioDisplay::AudioDisplay(wxWindow *parent, AudioController *controller, agi::Context *context)
: wxWindow(parent, -1, wxDefaultPosition, wxDefaultSize, wxWANTS_CHARS|wxBORDER_SIMPLE)
, audio_open_connection(controller->AddAudioOpenListener(&AudioDisplay::OnAudioOpen, this))
, context(context)
, audio_renderer(new AudioRenderer)
, controller(controller)
, scrollbar(new AudioDisplayScrollbar(this))
, timeline(new AudioDisplayTimeline(this))
, dragged_object(0)
, scroll_left(0)
, pixel_audio_width(0)
, ms_per_pixel(0.0)
, scale_amplitude(1.0f)
, audio_top(0)
, audio_height(0)
, track_cursor_pos(-1)
{
style_ranges[0] = AudioStyle_Normal;
audio_renderer->SetAmplitudeScale(scale_amplitude);
SetZoomLevel(0);
SetMinClientSize(wxSize(-1, 70));
SetBackgroundStyle(wxBG_STYLE_PAINT);
SetThemeEnabled(false);
Bind(wxEVT_LEFT_DOWN, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_MIDDLE_DOWN, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_RIGHT_DOWN, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_LEFT_UP, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_MIDDLE_UP, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_RIGHT_UP, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_MOTION, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_ENTER_WINDOW, &AudioDisplay::OnMouseEvent, this);
Bind(wxEVT_LEAVE_WINDOW, &AudioDisplay::OnMouseEvent, this);
scroll_timer.Bind(wxEVT_TIMER, &AudioDisplay::OnScrollTimer, this);
}
AudioDisplay::~AudioDisplay()
{
}
void AudioDisplay::ScrollBy(int pixel_amount)
{
ScrollPixelToLeft(scroll_left + pixel_amount);
}
void AudioDisplay::ScrollPixelToLeft(int pixel_position)
{
const int client_width = GetClientRect().GetWidth();
if (pixel_position + client_width >= pixel_audio_width)
pixel_position = pixel_audio_width - client_width;
if (pixel_position < 0)
pixel_position = 0;
scroll_left = pixel_position;
scrollbar->SetPosition(scroll_left);
timeline->SetPosition(scroll_left);
Refresh();
}
void AudioDisplay::ScrollTimeRangeInView(const TimeRange &range)
{
int client_width = GetClientRect().GetWidth();
int range_begin = AbsoluteXFromTime(range.begin());
int range_end = AbsoluteXFromTime(range.end());
int range_len = range_end - range_begin;
// Is everything already in view?
if (range_begin >= scroll_left && range_end <= scroll_left+client_width)
return;
// For the rest of the calculation, remove 5 % from each side of the client area.
// The leftadjust is the amount to subtract from the final scroll_left value.
int leftadjust = client_width / 20;
client_width = client_width * 9 / 10;
// The entire range can fit inside the view, center it
if (range_len < client_width)
{
ScrollPixelToLeft(range_begin - (client_width-range_len)/2 - leftadjust);
}
// Range doesn't fit in view and we're viewing a middle part of it, just leave it alone
else if (range_begin < scroll_left+leftadjust && range_end > scroll_left+leftadjust+client_width)
{
// nothing
}
// Right edge is in view, scroll it as far to the right as possible
else if (range_end >= scroll_left+leftadjust && range_end < scroll_left+leftadjust+client_width)
{
ScrollPixelToLeft(range_end - client_width - leftadjust);
}
// Nothing is in view or the left edge is in view, scroll left edge as far to the left as possible
else
{
ScrollPixelToLeft(range_begin - leftadjust);
}
}
void AudioDisplay::SetZoomLevel(int new_zoom_level)
{
zoom_level = new_zoom_level;
const int factor = GetZoomLevelFactor(zoom_level);
const int base_pixels_per_second = 50; /// @todo Make this customisable
const double base_ms_per_pixel = 1000.0 / base_pixels_per_second;
const double new_ms_per_pixel = 100.0 * base_ms_per_pixel / factor;
if (ms_per_pixel != new_ms_per_pixel)
{
int client_width = GetClientSize().GetWidth();
double center_time = (scroll_left + client_width / 2) * ms_per_pixel;
ms_per_pixel = new_ms_per_pixel;
pixel_audio_width = std::max(1, int(controller->GetDuration() / ms_per_pixel));
audio_renderer->SetMillisecondsPerPixel(ms_per_pixel);
scrollbar->ChangeLengths(pixel_audio_width, client_width);
timeline->ChangeZoom(ms_per_pixel);
ScrollTimeToCenter(center_time);
Refresh();
}
}
int AudioDisplay::GetZoomLevel() const
{
return zoom_level;
}
wxString AudioDisplay::GetZoomLevelDescription(int level) const
{
const int factor = GetZoomLevelFactor(level);
const int base_pixels_per_second = 50; /// @todo Make this customisable along with the above
const int second_pixels = 100 * base_pixels_per_second / factor;
return wxString::Format(_("%d%%, %d pixel/second"), factor, second_pixels);
}
int AudioDisplay::GetZoomLevelFactor(int level)
{
int factor = 100;
if (level > 0)
{
factor += 25 * level;
}
else if (level < 0)
{
if (level >= -5)
factor += 10 * level;
else if (level >= -11)
factor = 50 + (level+5) * 5;
else
factor = 20 + level + 11;
if (factor <= 0)
factor = 1;
}
return factor;
}
void AudioDisplay::SetAmplitudeScale(float scale)
{
audio_renderer->SetAmplitudeScale(scale);
Refresh();
}
void AudioDisplay::ReloadRenderingSettings()
{
std::string colour_scheme_name;
if (OPT_GET("Audio/Spectrum")->GetBool())
{
colour_scheme_name = OPT_GET("Colour/Audio Display/Spectrum")->GetString();
AudioSpectrumRenderer *audio_spectrum_renderer = new AudioSpectrumRenderer(colour_scheme_name);
int64_t spectrum_quality = OPT_GET("Audio/Renderer/Spectrum/Quality")->GetInt();
#ifdef WITH_FFTW3
// FFTW is so fast we can afford to upgrade quality by two levels
spectrum_quality += 2;
#endif
spectrum_quality = mid<int64_t>(0, spectrum_quality, 5);
// Quality indexes: 0 1 2 3 4 5
int spectrum_width[] = {8, 9, 9, 9, 10, 11};
int spectrum_distance[] = {8, 8, 7, 6, 6, 5};
audio_spectrum_renderer->SetResolution(
spectrum_width[spectrum_quality],
spectrum_distance[spectrum_quality]);
audio_renderer_provider.reset(audio_spectrum_renderer);
}
else
{
colour_scheme_name = OPT_GET("Colour/Audio Display/Waveform")->GetString();
audio_renderer_provider.reset(new AudioWaveformRenderer(colour_scheme_name));
}
audio_renderer->SetRenderer(audio_renderer_provider.get());
scrollbar->SetColourScheme(colour_scheme_name);
timeline->SetColourScheme(colour_scheme_name);
Refresh();
}
BEGIN_EVENT_TABLE(AudioDisplay, wxWindow)
EVT_PAINT(AudioDisplay::OnPaint)
EVT_SIZE(AudioDisplay::OnSize)
EVT_SET_FOCUS(AudioDisplay::OnFocus)
EVT_KILL_FOCUS(AudioDisplay::OnFocus)
EVT_CHAR_HOOK(AudioDisplay::OnKeyDown)
EVT_KEY_DOWN(AudioDisplay::OnKeyDown)
END_EVENT_TABLE()
void AudioDisplay::OnPaint(wxPaintEvent&)
{
if (!audio_renderer_provider) return;
wxAutoBufferedPaintDC dc(this);
wxRect audio_bounds(0, audio_top, GetClientSize().GetWidth(), audio_height);
bool redraw_scrollbar = false;
bool redraw_timeline = false;
for (wxRegionIterator region(GetUpdateRegion()); region; ++region)
{
wxRect updrect = region.GetRect();
redraw_scrollbar |= scrollbar->GetBounds().Intersects(updrect);
redraw_timeline |= timeline->GetBounds().Intersects(updrect);
if (audio_bounds.Intersects(updrect))
{
TimeRange updtime(
std::max(0, TimeFromRelativeX(updrect.x - foot_size)),
std::max(0, TimeFromRelativeX(updrect.x + updrect.width + foot_size)));
PaintAudio(dc, updtime, updrect);
PaintMarkers(dc, updtime);
PaintLabels(dc, updtime);
}
}
if (track_cursor_pos >= 0)
{
PaintTrackCursor(dc);
}
if (redraw_scrollbar)
scrollbar->Paint(dc, HasFocus());
if (redraw_timeline)
timeline->Paint(dc);
}
void AudioDisplay::PaintAudio(wxDC &dc, TimeRange updtime, wxRect updrect)
{
std::map<int, int>::iterator pt = style_ranges.upper_bound(updtime.begin());
std::map<int, int>::iterator pe = style_ranges.upper_bound(updtime.end());
if (pt != style_ranges.begin())
--pt;
while (pt != pe)
{
AudioRenderingStyle range_style = static_cast<AudioRenderingStyle>(pt->second);
int range_x1 = std::max(updrect.x, RelativeXFromTime(pt->first));
int range_x2 = (++pt == pe) ? updrect.x + updrect.width : RelativeXFromTime(pt->first);
if (range_x2 > range_x1)
{
audio_renderer->Render(dc, wxPoint(range_x1, audio_top), range_x1 + scroll_left, range_x2 - range_x1, range_style);
}
}
}
void AudioDisplay::PaintMarkers(wxDC &dc, TimeRange updtime)
{
AudioMarkerVector markers;
controller->GetTimingController()->GetMarkers(updtime, markers);
if (markers.empty()) return;
wxDCPenChanger pen_retainer(dc, wxPen());
wxDCBrushChanger brush_retainer(dc, wxBrush());
for (AudioMarkerVector::iterator marker_i = markers.begin(); marker_i != markers.end(); ++marker_i)
{
const AudioMarker *marker = *marker_i;
int marker_x = RelativeXFromTime(marker->GetPosition());
dc.SetPen(marker->GetStyle());
dc.DrawLine(marker_x, audio_top, marker_x, audio_top+audio_height);
if (marker->GetFeet() == AudioMarker::Feet_None) continue;
dc.SetBrush(wxBrush(marker->GetStyle().GetColour()));
dc.SetPen(*wxTRANSPARENT_PEN);
if (marker->GetFeet() & AudioMarker::Feet_Left)
PaintFoot(dc, marker_x, -1);
if (marker->GetFeet() & AudioMarker::Feet_Right)
PaintFoot(dc, marker_x, 1);
}
}
void AudioDisplay::PaintFoot(wxDC &dc, int marker_x, int dir)
{
wxPoint foot_top[3] = { wxPoint(foot_size * dir, 0), wxPoint(0, 0), wxPoint(0, foot_size) };
wxPoint foot_bot[3] = { wxPoint(foot_size * dir, 0), wxPoint(0, -foot_size), wxPoint(0, 0) };
dc.DrawPolygon(3, foot_top, marker_x, audio_top);
dc.DrawPolygon(3, foot_bot, marker_x, audio_top+audio_height);
}
void AudioDisplay::PaintLabels(wxDC &dc, TimeRange updtime)
{
std::vector<AudioLabelProvider::AudioLabel> labels;
controller->GetTimingController()->GetLabels(updtime, labels);
if (labels.empty()) return;
wxDCFontChanger fc(dc);
wxFont font = dc.GetFont();
font.SetWeight(wxFONTWEIGHT_BOLD);
dc.SetFont(font);
dc.SetTextForeground(*wxWHITE);
for (size_t i = 0; i < labels.size(); ++i)
{
wxSize extent = dc.GetTextExtent(labels[i].text);
int left = RelativeXFromTime(labels[i].range.begin());
int width = AbsoluteXFromTime(labels[i].range.length());
// If it doesn't fit, truncate
if (width < extent.GetWidth())
{
dc.SetClippingRegion(left, audio_top + 4, width, extent.GetHeight());
dc.DrawText(labels[i].text, left, audio_top + 4);
dc.DestroyClippingRegion();
}
// Otherwise center in the range
else
{
dc.DrawText(labels[i].text, left + (width - extent.GetWidth()) / 2, audio_top + 4);
}
}
}
void AudioDisplay::PaintTrackCursor(wxDC &dc) {
wxDCPenChanger penchanger(dc, wxPen(*wxWHITE));
dc.DrawLine(track_cursor_pos-scroll_left, audio_top, track_cursor_pos-scroll_left, audio_top+audio_height);
if (track_cursor_label.empty()) return;
wxDCFontChanger fc(dc);
wxFont font = dc.GetFont();
font.SetWeight(wxFONTWEIGHT_BOLD);
dc.SetFont(font);
wxSize label_size(dc.GetTextExtent(track_cursor_label));
wxPoint label_pos(track_cursor_pos - scroll_left - label_size.x/2, audio_top + 2);
label_pos.x = mid(2, label_pos.x, GetClientSize().GetWidth() - label_size.x - 2);
int old_bg_mode = dc.GetBackgroundMode();
dc.SetBackgroundMode(wxTRANSPARENT);
// Draw border
dc.SetTextForeground(wxColour(64, 64, 64));
dc.DrawText(track_cursor_label, label_pos.x+1, label_pos.y+1);
dc.DrawText(track_cursor_label, label_pos.x+1, label_pos.y-1);
dc.DrawText(track_cursor_label, label_pos.x-1, label_pos.y+1);
dc.DrawText(track_cursor_label, label_pos.x-1, label_pos.y-1);
// Draw fill
dc.SetTextForeground(*wxWHITE);
dc.DrawText(track_cursor_label, label_pos.x, label_pos.y);
dc.SetBackgroundMode(old_bg_mode);
label_pos.x -= 2;
label_pos.y -= 2;
label_size.IncBy(4, 4);
// If the rendered text changes size we have to draw it an extra time to make sure the entire thing was drawn
bool need_extra_redraw = track_cursor_label_rect.GetSize() != label_size;
track_cursor_label_rect.SetPosition(label_pos);
track_cursor_label_rect.SetSize(label_size);
if (need_extra_redraw)
RefreshRect(track_cursor_label_rect, false);
}
void AudioDisplay::SetDraggedObject(AudioDisplayInteractionObject *new_obj)
{
dragged_object = new_obj;
if (dragged_object && !HasCapture())
CaptureMouse();
else if (!dragged_object && HasCapture())
ReleaseMouse();
if (!dragged_object)
audio_marker.reset();
}
void AudioDisplay::SetTrackCursor(int new_pos, bool show_time)
{
if (new_pos != track_cursor_pos)
{
int old_pos = track_cursor_pos;
track_cursor_pos = new_pos;
RefreshRect(wxRect(old_pos - scroll_left - 0, audio_top, 1, audio_height), false);
RefreshRect(wxRect(new_pos - scroll_left - 0, audio_top, 1, audio_height), false);
// Make sure the old label gets cleared away
RefreshRect(track_cursor_label_rect, false);
if (show_time)
{
AssTime new_label_time = TimeFromAbsoluteX(track_cursor_pos);
track_cursor_label = new_label_time.GetASSFormated();
track_cursor_label_rect.x += new_pos - old_pos;
RefreshRect(track_cursor_label_rect, false);
}
else
{
track_cursor_label_rect.SetSize(wxSize(0,0));
track_cursor_label.Clear();
}
}
}
void AudioDisplay::RemoveTrackCursor()
{
SetTrackCursor(-1, false);
}
void AudioDisplay::OnMouseEvent(wxMouseEvent& event)
{
// If we have focus, we get mouse move events on Mac even when the mouse is
// outside our client rectangle, we don't want those.
if (event.Moving() && !GetClientRect().Contains(event.GetPosition()))
{
event.Skip();
return;
}
if (event.IsButton() || (event.Entering() && OPT_GET("Audio/Auto/Focus")->GetBool()))
SetFocus();
// Handle any ongoing drag
if (dragged_object && HasCapture())
{
if (!dragged_object->OnMouseEvent(event))
{
scroll_timer.Stop();
SetDraggedObject(0);
SetCursor(wxNullCursor);
}
return;
}
else
{
// Something is wrong, we might have lost capture somehow.
// Fix state and pretend it didn't happen.
SetDraggedObject(0);
SetCursor(wxNullCursor);
}
wxPoint mousepos = event.GetPosition();
AudioDisplayInteractionObject *new_obj = 0;
// Check for scrollbar action
if (scrollbar->GetBounds().Contains(mousepos))
{
new_obj = scrollbar.get();
}
// Check for timeline action
else if (timeline->GetBounds().Contains(mousepos))
{
SetCursor(wxCursor(wxCURSOR_SIZEWE));
new_obj = timeline.get();
}
if (new_obj)
{
if (!controller->IsPlaying())
RemoveTrackCursor();
if (new_obj->OnMouseEvent(event))
SetDraggedObject(new_obj);
return;
}
if (event.Leaving() && !controller->IsPlaying())
{
RemoveTrackCursor();
return;
}
if (event.MiddleIsDown())
{
context->videoController->JumpToTime(TimeFromRelativeX(mousepos.x), agi::vfr::EXACT);
return;
}
if (event.Moving() && !controller->IsPlaying())
{
SetTrackCursor(scroll_left + mousepos.x, OPT_GET("Audio/Display/Draw/Cursor Time")->GetBool());
}
AudioTimingController *timing = controller->GetTimingController();
if (!timing) return;
int drag_sensitivity = int(OPT_GET("Audio/Start Drag Sensitivity")->GetInt() * ms_per_pixel);
int snap_sensitivity = OPT_GET("Audio/Snap/Enable")->GetBool() != event.ShiftDown() ? int(OPT_GET("Audio/Snap/Distance")->GetInt() * ms_per_pixel) : 0;
// Not scrollbar, not timeline, no button action
if (event.Moving())
{
int timepos = TimeFromRelativeX(mousepos.x);
if (timing->IsNearbyMarker(timepos, drag_sensitivity))
SetCursor(wxCursor(wxCURSOR_SIZEWE));
else
SetCursor(wxNullCursor);
}
int old_scroll_pos = scroll_left;
if (event.LeftDown() || event.RightDown())
{
int timepos = TimeFromRelativeX(mousepos.x);
std::vector<AudioMarker*> markers = event.LeftDown() ?
timing->OnLeftClick(timepos, event.CmdDown(), drag_sensitivity, snap_sensitivity) :
timing->OnRightClick(timepos, event.CmdDown(), drag_sensitivity, snap_sensitivity);
// Clicking should never result in the audio display scrolling
ScrollPixelToLeft(old_scroll_pos);
if (markers.size())
{
RemoveTrackCursor();
audio_marker.reset(new AudioMarkerInteractionObject(markers, timing, this, controller, (wxMouseButton)event.GetButton()));
SetDraggedObject(audio_marker.get());
return;
}
}
}
void AudioDisplay::OnKeyDown(wxKeyEvent& event)
{
hotkey::check("Audio", context, event);
}
void AudioDisplay::OnSize(wxSizeEvent &)
{
// We changed size, update the sub-controls' internal data and redraw
wxSize size = GetClientSize();
timeline->SetDisplaySize(wxSize(size.x, scrollbar->GetBounds().y));
scrollbar->SetDisplaySize(size);
if (controller->GetTimingController())
{
TimeRange sel(controller->GetTimingController()->GetPrimaryPlaybackRange());
scrollbar->SetSelection(AbsoluteXFromTime(sel.begin()), AbsoluteXFromTime(sel.length()));
}
audio_height = size.GetHeight();
audio_height -= scrollbar->GetBounds().GetHeight();
audio_height -= timeline->GetHeight();
audio_renderer->SetHeight(audio_height);
audio_top = timeline->GetHeight();
Refresh();
}
void AudioDisplay::OnFocus(wxFocusEvent &)
{
// The scrollbar indicates focus so repaint that
RefreshRect(scrollbar->GetBounds(), false);
}
void AudioDisplay::OnAudioOpen(AudioProvider *provider)
{
if (!audio_renderer_provider)
ReloadRenderingSettings();
audio_renderer->SetAudioProvider(provider);
audio_renderer->SetCacheMaxSize(OPT_GET("Audio/Renderer/Spectrum/Memory Max")->GetInt() * 1024 * 1024);
timeline->ChangeAudio(controller->GetDuration());
ms_per_pixel = 0;
SetZoomLevel(zoom_level);
Refresh();
if (provider)
{
if (connections.empty())
{
connections.push_back(controller->AddAudioCloseListener(&AudioDisplay::OnAudioOpen, this, (AudioProvider*)0));
connections.push_back(controller->AddPlaybackPositionListener(&AudioDisplay::OnPlaybackPosition, this));
connections.push_back(controller->AddPlaybackStopListener(&AudioDisplay::RemoveTrackCursor, this));
connections.push_back(controller->AddTimingControllerListener(&AudioDisplay::OnTimingController, this));
connections.push_back(OPT_SUB("Audio/Spectrum", &AudioDisplay::ReloadRenderingSettings, this));
connections.push_back(OPT_SUB("Audio/Display/Waveform Style", &AudioDisplay::ReloadRenderingSettings, this));
connections.push_back(OPT_SUB("Colour/Audio Display/Spectrum", &AudioDisplay::ReloadRenderingSettings, this));
connections.push_back(OPT_SUB("Colour/Audio Display/Waveform", &AudioDisplay::ReloadRenderingSettings, this));
connections.push_back(OPT_SUB("Audio/Renderer/Spectrum/Quality", &AudioDisplay::ReloadRenderingSettings, this));
OnTimingController();
}
}
else
{
connections.clear();
}
}
void AudioDisplay::OnTimingController()
{
AudioTimingController *timing_controller = controller->GetTimingController();
if (timing_controller)
{
timing_controller->AddMarkerMovedListener(&AudioDisplay::OnMarkerMoved, this);
timing_controller->AddUpdatedPrimaryRangeListener(&AudioDisplay::OnSelectionChanged, this);
timing_controller->AddUpdatedStyleRangesListener(&AudioDisplay::OnStyleRangesChanged, this);
OnStyleRangesChanged();
OnMarkerMoved();
}
}
void AudioDisplay::OnPlaybackPosition(int ms)
{
int pixel_position = AbsoluteXFromTime(ms);
SetTrackCursor(pixel_position, false);
if (OPT_GET("Audio/Lock Scroll on Cursor")->GetBool())
{
int client_width = GetClientSize().GetWidth();
int edge_size = client_width / 20;
if (scroll_left > 0 && pixel_position < scroll_left + edge_size)
{
ScrollPixelToLeft(std::max(pixel_position - edge_size, 0));
}
else if (scroll_left + client_width < std::min(pixel_audio_width - 1, pixel_position + edge_size))
{
ScrollPixelToLeft(std::min(pixel_position - client_width + edge_size, pixel_audio_width - client_width - 1));
}
}
}
void AudioDisplay::OnSelectionChanged()
{
TimeRange sel(controller->GetPrimaryPlaybackRange());
scrollbar->SetSelection(AbsoluteXFromTime(sel.begin()), AbsoluteXFromTime(sel.length()));
if (audio_marker)
{
if (!scroll_timer.IsRunning())
{
// If the dragged object is outside the visible area, start the
// scroll timer to shift it back into view
int rel_x = RelativeXFromTime(audio_marker->GetPosition());
if (rel_x < 0 || rel_x >= GetClientSize().GetWidth())
{
// 50ms is the default for this on Windows (hardcoded since
// wxSystemSettings doesn't expose DragScrollDelay etc.)
scroll_timer.Start(50, true);
}
}
}
else if (OPT_GET("Audio/Auto/Scroll")->GetBool() && sel.end() != 0)
{
ScrollTimeRangeInView(sel);
}
RefreshRect(scrollbar->GetBounds(), false);
}
void AudioDisplay::OnScrollTimer(wxTimerEvent &event)
{
if (!audio_marker) return;
int rel_x = RelativeXFromTime(audio_marker->GetPosition());
int width = GetClientSize().GetWidth();
// If the dragged object is outside the visible area, scroll it into
// view with a 5% margin
if (rel_x < 0)
{
ScrollBy(rel_x - width / 20);
}
else if (rel_x >= width)
{
ScrollBy(rel_x - width + width / 20);
}
}
void AudioDisplay::OnStyleRangesChanged()
{
if (!controller->GetTimingController()) return;
AudioStyleRangeMerger asrm;
controller->GetTimingController()->GetRenderingStyles(asrm);
style_ranges.clear();
style_ranges.insert(asrm.begin(), asrm.end());
RefreshRect(wxRect(0, audio_top, GetClientSize().GetWidth(), audio_height), false);
}
void AudioDisplay::OnMarkerMoved()
{
RefreshRect(wxRect(0, audio_top, GetClientSize().GetWidth(), audio_height), false);
}
Reference in New Issue View Git Blame Copy Permalink