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Zoom.cpp
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Zoom.cpp
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/******************************************************************************
/ Zoom.cpp
/
/ Copyright (c) 2009 and later Tim Payne (SWS)
/
/
/ Permission is hereby granted, free of charge, to any person obtaining a copy
/ of this software and associated documentation files (the "Software"), to deal
/ in the Software without restriction, including without limitation the rights to
/ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
/ of the Software, and to permit persons to whom the Software is furnished to
/ do so, subject to the following conditions:
/
/ The above copyright notice and this permission notice shall be included in all
/ copies or substantial portions of the Software.
/
/ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
/ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
/ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
/ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
/ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
/ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
/ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
/ OTHER DEALINGS IN THE SOFTWARE.
/
******************************************************************************/
#include "stdafx.h"
#include "./reaper/localize.h"
#include "./ObjectState/TrackEnvelope.h"
#include "./SnM/SnM_Dlg.h"
#include "./Breeder/BR_EnvelopeUtil.h"
#include "./Breeder/BR_Util.h"
#define VZOOM_RANGE 40
void ZoomTool(COMMAND_T* = NULL);
void SaveZoomSlice(bool bSWS);
#define WM_CANCEL_ZOOM 4000
#define WM_START_ZOOM 4001
void SetReaperWndSize(COMMAND_T* = NULL)
{
int x = GetPrivateProfileInt("REAPER", "setwndsize_x", 640, get_ini_file());
int y = GetPrivateProfileInt("REAPER", "setwndsize_y", 480, get_ini_file());
HWND hwnd = GetMainHwnd();
SetWindowPos(hwnd, NULL, 0, 0, x, y, SWP_NOMOVE | SWP_NOZORDER);
}
// hwnd: optional, dRoom and dOffset: normalized values (%)
void SetHorizPos(HWND hwnd, double dPos, double dRoom = 0.0, double dOffset = 0.0)
{
double start = 2.0, end = 1.0; // start>end to detect mordern versions of GetSet_ArrangeView2()
GetSet_ArrangeView2(NULL, false, 0, 0, &start, &end); // full arrange view's start/end time -- v5.12pre4+ only
if (start < end)
{
double start_timeOut = dPos - (end-start) * dOffset;
double end_timeOut = dPos + (end-start) * (1.0-dOffset);
start_timeOut -= (end_timeOut-start_timeOut) * dRoom;
end_timeOut += (end_timeOut-start_timeOut) * dRoom;
GetSet_ArrangeView2(NULL, true, 0, 0, &start_timeOut, &end_timeOut); // includes UI refresh
return;
}
// legacy code, if REAPER < v5.12pre4
if (!hwnd) hwnd=GetTrackWnd();
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hwnd, SB_HORZ, &si);
si.nPos = (int)(dPos * GetHZoomLevel());
if (dOffset)
si.nPos -= (int)(dOffset * si.nPage);
CoolSB_SetScrollInfo(hwnd, SB_HORZ, &si, true);
SendMessage(hwnd, WM_HSCROLL, SB_THUMBPOSITION, NULL);
UpdateTimeline();
}
void SetVertPos(HWND hwnd, int iTrack, bool bPixels, int iExtra = 0) // 1 based track index!
{
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hwnd, SB_VERT, &si);
int oldmax = si.nMax;
si.nMax = 0;
if (bPixels)
si.nPos = iTrack;
else
si.nPos = iExtra;
MediaTrack* masterTrack = GetMasterTrack(NULL);
for (int i = 0; i <= GetNumTracks(); i++)
{
MediaTrack* track = CSurf_TrackFromID(i, false);
int iHeight = *(int*)GetSetMediaTrackInfo(track, "I_WNDH", NULL);
if (track == masterTrack && TcpVis(track)) iHeight += GetMasterTcpGap();
if (!bPixels && i < iTrack)
si.nPos += iHeight;
si.nMax += iHeight;
}
si.nMax += 65;
if (oldmax == si.nPage && (UINT)si.nMax > si.nPage)
si.nPage++;
else if ((UINT)si.nMax < si.nPage)
si.nMax = si.nPage;
CoolSB_SetScrollInfo(hwnd, SB_VERT, &si, true);
SendMessage(hwnd, WM_VSCROLL, si.nPos << 16 | SB_THUMBPOSITION, NULL);
}
void VertZoomRange(int iFirst, int iNum, bool* bZoomed, bool bMinimizeOthers, bool includeEnvelopes)
{
HWND hTrackView = GetTrackWnd();
MediaTrack* masterTrack = GetMasterTrack(NULL);
if (!hTrackView || iNum == 0)
return;
// Zoom in vertically
RECT rect;
GetClientRect(hTrackView, &rect);
int iTotalHeight = rect.bottom;
int lastTrackId = iFirst + iNum - (includeEnvelopes ? 1 : 2);
if (bMinimizeOthers)
{
*(int*)GetConfigVar("vzoom2") = 0;
for (int i = 0; i <= GetNumTracks(); i++)
GetSetMediaTrackInfo(CSurf_TrackFromID(i, false), "I_HEIGHTOVERRIDE", &g_i0);
Main_OnCommand(40112, 0); // Zoom out vert to minimize envelope lanes too (since vZoom is now 0) (calls refresh)
//TrackList_AdjustWindows(false);
//UpdateTimeline();
// Get the size of shown but not zoomed tracks
int iNotZoomedSize = 0;
int iZoomed = 0;
for (int i = 0; i < iNum; i++)
{
MediaTrack* tr = CSurf_TrackFromID(i+iFirst, false);
if (bZoomed[i])
{
iZoomed++;
if (tr == masterTrack && TcpVis(tr) && iNum > 1) iNotZoomedSize += GetMasterTcpGap();
}
else
{
if (TcpVis(tr))
{
int trackHeight = GetTrackHeightFromVZoomIndex(tr, 0);
trackHeight += CountTrackEnvelopePanels(tr) * GetEnvHeightFromTrackHeight(trackHeight);
iNotZoomedSize += trackHeight;
}
}
}
// Pixels we have to work with will all the sel tracks and their envelopes
iTotalHeight -= iNotZoomedSize;
int iEachHeight = iTotalHeight / iZoomed;
int minTrackHeight = SNM_GetIconTheme()->tcp_small_height;
int iLanesHeight = 0;
while (true)
{
iLanesHeight = 0;
// Calc envelope height
for (int i = 0; i < iNum; i++)
{
if (bZoomed[i] && i + iFirst <= lastTrackId) // don't check envelope lanes height for the last track if includeEnvelopes == true
iLanesHeight += CountTrackEnvelopePanels(CSurf_TrackFromID(i + iFirst, false)) * GetEnvHeightFromTrackHeight(iEachHeight);
}
if (iEachHeight * iZoomed + iLanesHeight <= iTotalHeight)
break;
// Guess new iEachHeight - may be wrong!
int iNewEachHeight = (int)(iTotalHeight / ((double)iLanesHeight / iEachHeight + iZoomed));
if (iNewEachHeight == iEachHeight)
iEachHeight--;
else
iEachHeight = iNewEachHeight;
if (iEachHeight < minTrackHeight)
break;
}
// Check track is over minimum and make sure last track fills the TCP exactly to the bottom
int leftOverHeight = 0;
if (iEachHeight < minTrackHeight)
{
iEachHeight = minTrackHeight;
}
else
{
leftOverHeight = iTotalHeight - (iEachHeight * iZoomed) - iLanesHeight;
if (iEachHeight + leftOverHeight >= (int) (iEachHeight * 1.5)) // if leftover height is to big, just leave it cropped (this is the same mechanism REAPER uses for take heights within the item)
leftOverHeight = 0;
}
for (int i = 0; i < iNum; i++)
{
if (bZoomed[i])
{
if (i + 1 == iNum)
iEachHeight +=leftOverHeight;
GetSetMediaTrackInfo(CSurf_TrackFromID(i+iFirst, false), "I_HEIGHTOVERRIDE", &iEachHeight);
}
}
TrackList_AdjustWindows(false);
UpdateTimeline();
}
else
{
vector<vector<int> > envelopeHeights;
for (int i = 0; i < iNum; i++)
{
if (i+iFirst <= lastTrackId) // don't check envelope lanes height for the last track if includeEnvelopes == true
{
vector<int> tmp;
envelopeHeights.push_back(tmp);
MediaTrack* tr = CSurf_TrackFromID(i+iFirst, false);
if (TcpVis(tr))
{
for (int j = 0; j < CountTrackEnvelopes(tr); j++)
{
BR_Envelope envelope(GetTrackEnvelope(tr, j));
if (envelope.IsInLane())
envelopeHeights.back().push_back(envelope.GetLaneHeight());
}
}
}
}
int iZoom = VZOOM_RANGE+1;
int iHeight;
do
{
iZoom--;
iHeight = 0;
for (int i = 0; i < iNum; i++)
{
MediaTrack* tr = CSurf_TrackFromID(i+iFirst, false);
if (TcpVis(tr))
{
int trackHeight = GetTrackHeightFromVZoomIndex(tr, iZoom);
int envHeight = 0;
if (i < (int)envelopeHeights.size())
{
for (size_t j = 0; j < envelopeHeights[i].size(); j++)
{
int h = envelopeHeights[i][j];
envHeight += (h != 0) ? h : GetEnvHeightFromTrackHeight(trackHeight);
}
}
iHeight += trackHeight + envHeight;
if (tr == masterTrack && TcpVis(tr) && iNum > 1) iHeight += GetMasterTcpGap();
}
}
} while (iHeight > iTotalHeight && iZoom > 0);
// Reset custom track sizes
for (int i = 0; i <= GetNumTracks(); i++)
GetSetMediaTrackInfo(CSurf_TrackFromID(i, false), "I_HEIGHTOVERRIDE", &g_i0);
*(int*)GetConfigVar("vzoom2") = iZoom;
TrackList_AdjustWindows(false);
UpdateTimeline();
}
SetVertPos(hTrackView, iFirst, false);
}
// iOthers == 0 nothing, 1 minimize, 2 hide from TCP
void VertZoomSelTracks(int iOthers, bool includeEnvelopes)
{
// Find first and last selected tracks
int iFirstSel = -1;
int iLastSel = -1;
WDL_TypedBuf<bool> hbSelected;
hbSelected.Resize(GetNumTracks()+1);
for (int i = 0; i <= GetNumTracks(); i++)
{
MediaTrack* tr = CSurf_TrackFromID(i, false);
if (GetTrackVis(tr) & 2 && *(int*)GetSetMediaTrackInfo(tr, "I_SELECTED", NULL))
{
if (iFirstSel == -1)
iFirstSel = i;
iLastSel = i;
hbSelected.Get()[i] = true;
}
else
hbSelected.Get()[i] = false;
}
if (iFirstSel == -1)
return;
// Hide tracks from TCP only after making sure there's actually something selected
if (iOthers == 2)
for (int i = 0; i <= GetNumTracks(); i++)
if (!hbSelected.Get()[i])
{
MediaTrack* tr = CSurf_TrackFromID(i, false);
SetTrackVis(tr, GetTrackVis(tr) & 1);
}
VertZoomRange(iFirstSel, 1+iLastSel-iFirstSel, hbSelected.Get()+iFirstSel, iOthers == 1, includeEnvelopes);
SaveZoomSlice(true);
}
// iOthers == 0 nothing, 1 minimize, 2 hide from TCP
void VertZoomSelItems(int iOthers, bool includeEnvelopes)
{
// Find the tracks of the first and last selected item
int y1 = -1, y2 = -1;
WDL_TypedBuf<bool> hbVisOnTrack;
hbVisOnTrack.Resize(GetNumTracks());
for (int i = 1; i <= GetNumTracks(); i++)
{
hbVisOnTrack.Get()[i-1] = false;
MediaTrack* tr = CSurf_TrackFromID(i, false);
if (GetTrackVis(tr) & 2)
{
for (int j = 0; j < GetTrackNumMediaItems(tr); j++)
{
MediaItem* mi = GetTrackMediaItem(tr, j);
if (*(bool*)GetSetMediaItemInfo(mi, "B_UISEL", NULL))
{
if (y1 == -1)
y1 = i;
y2 = i;
hbVisOnTrack.Get()[i-1] = true;
break;
}
}
}
if (iOthers == 2 && !hbVisOnTrack.Get()[i-1])
SetTrackVis(tr, GetTrackVis(tr) & 1);
}
if (y1 == -1)
return;
// Hide tracks from TCP only after making sure there's actually something selected
if (iOthers == 2)
{
for (int i = 1; i <= GetNumTracks(); i++)
{
if (!hbVisOnTrack.Get()[i-1])
{
MediaTrack* tr = CSurf_TrackFromID(i, false);
SetTrackVis(tr, GetTrackVis(tr) & 1);
}
}
if (TcpVis(GetMasterTrack(NULL)))
SetTrackVis(GetMasterTrack(NULL), GetTrackVis(GetMasterTrack(NULL)) & 1);
}
VertZoomRange(y1, 1+y2-y1, hbVisOnTrack.Get()+y1-1, iOthers == 1, includeEnvelopes);
SaveZoomSlice(true);
}
void HorizZoomSelItems(bool bTimeSel = false)
{
HWND hTrackView = GetTrackWnd();
if (!hTrackView)
return;
RECT r;
GetClientRect(hTrackView, &r);
double x1, x2;
GetSet_LoopTimeRange(false, false, &x1, &x2, false);
if (!bTimeSel || x1 == x2)
{
// Find the coordinates of the first and last selected item
x1 = DBL_MAX; x2 = -DBL_MAX;
for (int i = 1; i <= GetNumTracks(); i++)
{
MediaTrack* tr = CSurf_TrackFromID(i, false);
if (GetTrackVis(tr) & 2)
for (int j = 0; j < GetTrackNumMediaItems(tr); j++)
{
MediaItem* mi = GetTrackMediaItem(tr, j);
if (*(bool*)GetSetMediaItemInfo(mi, "B_UISEL", NULL))
{
double d = *(double*)GetSetMediaItemInfo(mi, "D_POSITION", NULL);
if (d < x1)
x1 = d;
d += *(double*)GetSetMediaItemInfo(mi, "D_LENGTH", NULL);
if (d > x2)
x2 = d;
}
}
}
if (x1 == DBL_MAX)
return;
}
adjustZoom(0.94 * r.right / (x2 - x1), 1, false, -1);
SetHorizPos(hTrackView, x1, 0.03);
SaveZoomSlice(true);
}
// ct->user is the screen position in %, negative for play cursor (vs edit cursor)
void ScrollToCursor(COMMAND_T* ct)
{
SetHorizPos(NULL, ct->user<0 && (GetPlayState()&1) ? GetPlayPosition() : GetCursorPosition(), 0.0, 0.01 * abs((int)ct->user));
}
void HorizScroll(COMMAND_T* ctx)
{
HWND hwnd = GetTrackWnd();
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hwnd, SB_HORZ, &si);
si.nPos += (int)((double)ctx->user * si.nPage / 100.0);
if (si.nPos < 0) si.nPos = 0;
else if (si.nPos > si.nMax) si.nPos = si.nMax;
CoolSB_SetScrollInfo(hwnd, SB_HORZ, &si, true);
SendMessage(hwnd, WM_HSCROLL, SB_THUMBPOSITION, NULL);
}
void ZoomToSelItems(COMMAND_T* ct) { VertZoomSelItems(0, ct ? (int)ct->user == 0 : false); HorizZoomSelItems(); }
void ZoomToSelItemsMin(COMMAND_T* ct) { VertZoomSelItems(1, (int)ct->user == 0); HorizZoomSelItems(); }
void VZoomToSelItems(COMMAND_T* ct) { VertZoomSelItems(0, (int)ct->user == 0); }
void VZoomToSelItemsMin(COMMAND_T* ct) { VertZoomSelItems(1, (int)ct->user == 0); }
void HZoomToSelItems(COMMAND_T* = NULL) { HorizZoomSelItems(); }
void ZoomToSIT(COMMAND_T* ct) { VertZoomSelItems(0, (int)ct->user == 0); HorizZoomSelItems(true); }
void ZoomToSITMin(COMMAND_T* ct) { VertZoomSelItems(1, (int)ct->user == 0); HorizZoomSelItems(true); }
void FitSelTracks(COMMAND_T* ct) { VertZoomSelTracks(0, (int)ct->user == 0); }
void FitSelTracksMin(COMMAND_T* ct) { VertZoomSelTracks(1, (int)ct->user == 0); }
class ArrangeState
{
private:
double dHZoom;
int iVZoom;
int iXPos;
int iYPos;
WDL_TypedBuf<int> hbTrackHeights;
WDL_TypedBuf<int> hbTrackVis;
WDL_TypedBuf<int> hbEnvHeights;
WDL_TypedBuf<bool> hbEnvVis;
bool m_bHoriz;
bool m_bVert;
public:
ArrangeState():hbTrackHeights(256),hbTrackVis(256),hbEnvHeights(256),hbEnvVis(256) { Clear(); }
void Clear()
{
dHZoom = 0.0; iXPos = 0; iYPos = 0; m_bHoriz = false; m_bVert = false;
hbTrackHeights.Resize(0, false);
hbTrackVis.Resize(0, false);
hbEnvHeights.Resize(0, false);
hbEnvVis.Resize(0, false);
}
void Save(bool bSaveHoriz, bool bSaveVert)
{
HWND hTrackView = GetTrackWnd();
if (!hTrackView)
return;
m_bHoriz = bSaveHoriz;
m_bVert = bSaveVert;
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
// Horiz
if (m_bHoriz)
{
dHZoom = GetHZoomLevel();
CoolSB_GetScrollInfo(hTrackView, SB_HORZ, &si);
iXPos = si.nPos;
}
// Vert
if (m_bVert)
{
iVZoom = *(int*)GetConfigVar("vzoom2");
hbTrackHeights.Resize(GetNumTracks()+1, false);
hbTrackVis.Resize(GetNumTracks()+1, false);
hbEnvHeights.Resize(0, false);
hbEnvVis.Resize(0, false);
for (int i = 0; i <= GetNumTracks(); i++)
{
MediaTrack* tr = CSurf_TrackFromID(i, false);
hbTrackHeights.Get()[i] = *(int*)GetSetMediaTrackInfo(tr, "I_HEIGHTOVERRIDE", NULL);
hbTrackVis.Get()[i] = GetTrackVis(tr);
int iNumEnvelopes = CountTrackEnvelopes(tr);
if (iNumEnvelopes)
{
int iEnv = hbEnvHeights.GetSize();
hbEnvHeights.Resize(iEnv + iNumEnvelopes);
hbEnvVis.Resize(iEnv + iNumEnvelopes);
for (int j = 0; j < iNumEnvelopes; j++)
{
BR_Envelope envelope(GetTrackEnvelope(tr, j));
hbEnvHeights.Get()[iEnv] = envelope.GetLaneHeight();
hbEnvVis.Get()[iEnv] = envelope.IsVisible();
iEnv++;
}
}
}
CoolSB_GetScrollInfo(hTrackView, SB_VERT, &si);
iYPos = si.nPos;
}
}
void Restore()
{
HWND hTrackView = GetTrackWnd();
if (!hTrackView || !(m_bHoriz || m_bVert))
return;
PreventUIRefresh(1);
// Horiz zoom
if (m_bHoriz)
adjustZoom(dHZoom, 1, false, -1);
// Vert zoom
if (m_bVert)
{
*(int*)GetConfigVar("vzoom2") = iVZoom;
int iSaved = hbTrackHeights.GetSize();
int iEnvPtr = 0;
for (int i = 0; i <= GetNumTracks(); i++)
{
MediaTrack* tr = CSurf_TrackFromID(i, false);
if (i < iSaved)
{
SetTrackVis(tr, hbTrackVis.Get()[i]);
GetSetMediaTrackInfo(tr, "I_HEIGHTOVERRIDE", hbTrackHeights.Get()+i);
}
else
GetSetMediaTrackInfo(tr, "I_HEIGHTOVERRIDE", &g_i0);
for (int j = 0; j < CountTrackEnvelopes(tr); j++)
{
BR_Envelope envelope(GetTrackEnvelope(tr, j));
if (iEnvPtr < hbEnvHeights.GetSize())
{
envelope.SetVisible(hbEnvVis.Get()[iEnvPtr]);
envelope.SetLaneHeight(hbEnvHeights.Get()[iEnvPtr]);
iEnvPtr++;
}
else
envelope.SetLaneHeight(0);
envelope.Commit();
}
}
TrackList_AdjustWindows(false);
UpdateTimeline();
SetVertPos(hTrackView, iYPos, true);
}
if (m_bHoriz)
SetHorizPos(hTrackView, (double)iXPos / dHZoom);
SaveZoomSlice(true);
PreventUIRefresh(-1);
}
};
static SWSProjConfig<ArrangeState> g_stdAS[5];
static SWSProjConfig<ArrangeState> g_togAS;
static bool g_bASToggled = false;
// iType == 0 tracks, 1 items or time sel, 2 just items, 3 horiz items or time sel, 4 horiz items, 5 horiz time sel
// iOthers == 0 nothing, 1 minimize, 2 hide from TCP
void TogZoom(int iType, int iOthers, bool includeEnvelopes)
{
if (g_bASToggled)
{
g_togAS.Get()->Restore();
g_bASToggled = false;
return;
}
double d1, d2;
GetSet_LoopTimeRange(false, false, &d1, &d2, false);
const int itemCount = CountSelectedMediaItems(NULL);
if (((iType == 1 || iType == 3) && itemCount == 0 && d1 == d2) ||
((iType == 2 || iType == 4) && itemCount == 0) ||
(iType == 5 && d1 == d2)
)
{
return;
}
g_bASToggled = true;
g_togAS.Get()->Save(true, iType < 3);
if (iType == 0)
{
Main_OnCommand(40031, 0);
VertZoomSelTracks(iOthers, includeEnvelopes);
}
else
{
if (d1 != d2 && (iType == 1 || iType == 3 || iType == 5))
Main_OnCommand(40031, 0); // View: Zoom time selection
else
HorizZoomSelItems();
if (iType < 3)
VertZoomSelItems(iOthers, includeEnvelopes);
}
}
void TogZoomTT(COMMAND_T* ct) { TogZoom(0, 0, (int)ct->user == 0); }
void TogZoomTTMin(COMMAND_T* ct) { TogZoom(0, 1, (int)ct->user == 0); }
void TogZoomTTHide(COMMAND_T* ct) { TogZoom(0, 2, (int)ct->user == 0); }
void TogZoomItems(COMMAND_T* ct) { TogZoom(1, 0, (int)ct->user == 0); }
void TogZoomItemsMin(COMMAND_T* ct) { TogZoom(1, 1, (int)ct->user == 0); }
void TogZoomItemsHide(COMMAND_T* ct) { TogZoom(1, 2, (int)ct->user == 0); }
void TogZoomItemsOnly(COMMAND_T* ct) { TogZoom(2, 0, (int)ct->user == 0); }
void TogZoomItemsOnlyMin(COMMAND_T* ct) { TogZoom(2, 1, (int)ct->user == 0); }
void TogZoomItemsOnlyHide(COMMAND_T* ct) { TogZoom(2, 2, (int)ct->user == 0); }
void TogZoomHoriz(COMMAND_T* ct) { TogZoom((int)ct->user, 0, true); }
void SaveCurrentArrangeViewSlot(COMMAND_T* ct) { g_stdAS[(int)ct->user].Get()->Save(true, true); }
void RestoreArrangeViewSlot(COMMAND_T* ct) { g_stdAS[(int)ct->user].Get()->Restore(); }
// Returns the track at a point on the track view window
// Point is in client coords
MediaTrack* TrackAtPoint(HWND hTrackView, int iY, int* iOffset, int* iYMin, int* iYMax)
{
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hTrackView, SB_VERT, &si);
int iVPos = -si.nPos; // Account for current scroll pos
int iTrack = 0;
int iTrackH = 0;
// Find the current track #
while (iTrack <= GetNumTracks())
{
MediaTrack* track = CSurf_TrackFromID(iTrack, false);
iTrackH = *(int*)GetSetMediaTrackInfo(track, "I_WNDH", NULL);
if (iVPos + iTrackH > iY)
break;
if (iTrack == 0 && TcpVis(track) && iTrackH != 0)
iTrackH += GetMasterTcpGap();
iVPos += iTrackH;
iTrack++;
}
// Set extents if outside of std region
if (iYMin)
*iYMin = iVPos;
if (iYMax)
*iYMax = iVPos;
if (iTrack <= GetNumTracks())
{
if (iYMin)
*iYMin = iVPos;
if (iYMax)
*iYMax = iVPos + iTrackH;
if (iOffset)
*iOffset = iY - iVPos;
return CSurf_TrackFromID(iTrack, false);
}
return NULL;
}
// Returns the (first) item at the point p in the trackview.
// p is in client coords; rExtents can extend well past the ClientRect
MediaItem* ItemAtPoint(HWND hTrackView, POINT p, RECT* rExtents, MediaTrack** pTr)
{
if (rExtents) rExtents->left = rExtents->right = 0; // Init rExtents
// First get the track
int iY1, iY2;
MediaTrack* tr = TrackAtPoint(hTrackView, p.y, NULL, &iY1, &iY2);
if (pTr)
*pTr = tr;
if (rExtents)
{
rExtents->top = iY1;
rExtents->bottom = iY2;
}
if (!tr)
return NULL;
// Convert x coord to time
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hTrackView, SB_HORZ, &si); // Get the current scroll pos
RECT r;
GetClientRect(hTrackView, &r); // Get the window width
double dPos = (p.x + si.nPos) / GetHZoomLevel();
// Then, maybe find an item
for (int i = 0; i < GetTrackNumMediaItems(tr); i++)
{
MediaItem* mi = GetTrackMediaItem(tr, i);
double dStart = *(double*)GetSetMediaItemInfo(mi, "D_POSITION", NULL);
double dEnd = *(double*)GetSetMediaItemInfo(mi, "D_LENGTH", NULL) + dStart;
if (dPos >= dStart && dPos <= dEnd)
{
if (rExtents)
{
rExtents->left = (int)(GetHZoomLevel() * dStart + 0.5) - si.nPos;
rExtents->right = (int)(GetHZoomLevel() * dEnd + 0.5) - si.nPos;
}
return mi;
}
}
return NULL;
}
// Class for saving/restoring the zoom state. This is a lighter-weight version
// of the arrange state class above.
// To be perfect you need to GetSetEnvelopeState (for envelope info)
// This class ignores envelope stuffs and other things at the risk of the restore being "off" if tracks
// are added, deleted, or if envs are added, deleted, sizes changed, etc. It does support track height however.
// This should be fixed! TRP
class ZoomState
{
private:
// Zoom
WDL_TypedBuf<int> m_iTrackHeights;
double m_dHZoom;
int m_iVZoom;
bool m_bProjExtents;
// Pos
MediaTrack* m_trVPos;
int m_iVPos, m_iHPos;
public:
ZoomState():m_iTrackHeights(256),m_dHZoom(0.0),m_iVZoom(0),m_iVPos(0),m_iHPos(0),m_trVPos(NULL),m_bProjExtents(false) {}
void SaveZoom()
{
// Save the track heights
m_iTrackHeights.Resize(0, false);
int* pHeights = m_iTrackHeights.Resize(GetNumTracks()+1); // +1 for master
for (int i = 0; i <= GetNumTracks(); i++)
pHeights[i] = *(int*)GetSetMediaTrackInfo(CSurf_TrackFromID(i, false), "I_HEIGHTOVERRIDE", NULL);
m_dHZoom = GetHZoomLevel();
m_iVZoom = *(int*)GetConfigVar("vzoom2");
m_bProjExtents = false;
}
void ZoomToProject()
{
VertZoomRange(0, GetNumTracks()+1, NULL, false, true);
Main_OnCommand(40295, 0);
SaveZoom();
SavePos();
m_bProjExtents = true;
}
bool IsZoomedToProject() { return m_bProjExtents; }
void SavePos()
{
HWND hTrackView = GetTrackWnd();
if (!hTrackView)
return;
m_trVPos = TrackAtPoint(hTrackView, 0, &m_iVPos, NULL, NULL);
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hTrackView, SB_HORZ, &si);
m_iHPos = si.nPos;
}
void Restore()
{
if (m_bProjExtents)
ZoomToProject();
HWND hTrackView = GetTrackWnd();
if (!hTrackView || (m_dHZoom == 0.0 && m_iVZoom == 0))
return;
adjustZoom(m_dHZoom, 1, false, -1);
*(int*)GetConfigVar("vzoom2") = m_iVZoom;
// Restore track heights, ignoring the fact that tracks could have been added/removed
for (int i = 0; i < m_iTrackHeights.GetSize() && i <= GetNumTracks(); i++)
GetSetMediaTrackInfo(CSurf_TrackFromID(i, false), "I_HEIGHTOVERRIDE", &(m_iTrackHeights.Get()[i]));
TrackList_AdjustWindows(false);
UpdateTimeline();
// Restore positions
int iTrack = CSurf_TrackToID(m_trVPos, false);
if (iTrack >= 0)
SetVertPos(hTrackView, iTrack, false, m_iVPos);
SetHorizPos(hTrackView, (double)m_iHPos / m_dHZoom);
SaveZoomSlice(true);
}
bool IsZoomEqual(ZoomState* zs)
{ // Ignores the horiz/vert positions!
if (zs->m_dHZoom != m_dHZoom || zs->m_iVZoom != m_iVZoom)
return false;
if (zs->m_iTrackHeights.GetSize() != m_iTrackHeights.GetSize())
return false;
for (int i = 0; i < m_iTrackHeights.GetSize(); i++)
if (zs->m_iTrackHeights.Get()[i] != m_iTrackHeights.Get()[i])
return false;
return true;
}
// Debug
//void Print(int i)
//{
// dprintf("ZoomState %d: H: %.2f @ %d, V: %d @ %d, Proj: %s\n", i, m_dHZoom, m_iHPos, m_iVZoom, m_iVPos, m_bProjExtents ? "yes" : "no");
//}
};
static SWSProjConfig<WDL_PtrList_DOD<ZoomState> > g_zoomStack;
static SWSProjConfig<int> g_zoomLevel;
// Undo zoom prefs
static bool g_bUndoSWSOnly = false;
static bool g_bLastUndoProj = false;
// Save the current zoom state, called from the slice
void SaveZoomSlice(bool bSWS)
{
// Do the initialization of g_zoomLevel, as project changes can result in new PtrLists
if (g_zoomStack.Get()->GetSize() == 0)
*g_zoomLevel.Get() = 0;
static ZoomState* zs = NULL;
if (!zs)
zs = new ZoomState;
zs->SaveZoom();
if (g_zoomStack.Get()->GetSize() == 0 || !g_zoomStack.Get()->Get(*g_zoomLevel.Get())->IsZoomEqual(zs))
{ // The zoom level has been changed by the user!
if (bSWS || !g_bUndoSWSOnly || g_zoomStack.Get()->GetSize() == 0)
{
while (*g_zoomLevel.Get())
{
g_zoomStack.Get()->Delete(0, true);
*g_zoomLevel.Get() -= 1;
}
// Trim the bottom of the stack if it's huge.
if (g_zoomStack.Get()->GetSize() == 50)
g_zoomStack.Get()->Delete(49, true);
g_zoomStack.Get()->Insert(0, zs);
}
else
{
delete g_zoomStack.Get()->Get(*g_zoomLevel.Get());
g_zoomStack.Get()->Set(*g_zoomLevel.Get(), zs);
}
zs = NULL;
}
// Save the position for every call
if (g_zoomStack.Get()->GetSize())
g_zoomStack.Get()->Get(*g_zoomLevel.Get())->SavePos();
}
void UndoZoom(COMMAND_T* = NULL)
{
if (*g_zoomLevel.Get() + 1 < g_zoomStack.Get()->GetSize())
{
*g_zoomLevel.Get() += 1;
g_zoomStack.Get()->Get(*g_zoomLevel.Get())->Restore();
}
else if (g_bLastUndoProj)
{
if (!g_zoomStack.Get()->GetSize() || !g_zoomStack.Get()->Get(*g_zoomLevel.Get())->IsZoomedToProject())
{
*g_zoomLevel.Get() += 1;
g_zoomStack.Get()->Add(new ZoomState);
}
g_zoomStack.Get()->Get(g_zoomStack.Get()->GetSize()-1)->ZoomToProject();
}
}
void RedoZoom(COMMAND_T*)
{
if (*g_zoomLevel.Get() > 0)
{
*g_zoomLevel.Get() -= 1;
g_zoomStack.Get()->Get(*g_zoomLevel.Get())->Restore();
}
}
void CreateZoomRect(HWND h, RECT* newR, POINT* p1, POINT* p2)
{
RECT r;
if (p1->x < p2->x) { r.left = p1->x; r.right = p2->x; }
else { r.left = p2->x; r.right = p1->x; }
if (p1->y < p2->y) { r.top = p1->y; r.bottom = p2->y; }
else { r.top = p2->y; r.bottom = p1->y; }
RECT clientR;
GetClientRect(h, &clientR);
IntersectRect(newR, &r, &clientR);
}
static bool g_bZooming = false;
static WNDPROC g_ReaperTrackWndProc = NULL;
static WNDPROC g_ReaperRulerWndProc = NULL;
static HCURSOR g_hZoomInCur = NULL;
static HCURSOR g_hZoomOutCur = NULL;
static HCURSOR g_hZoomUndoCur = NULL;
static HCURSOR g_hZoomDragCur = NULL;
// Zoom tool Prefs
// (defaults are actually set in ZoomInit)
static bool g_bMidMouseButton = false;
static int g_iMidMouseModifier = 0;
static bool g_bItemZoom = false;
static bool g_bUndoZoom = false;
static bool g_bUnzoomMode = false;
static bool g_bDragUpUndo = false;
static bool g_bSetCursor = false;
static bool g_bSeekPlay = false;
static bool g_bSetTimesel = false;
static bool g_bDragZoomUpper = false;
static bool g_bDragZoomLower = false;
static double g_dDragZoomScale = 0.1;
// Zoom into a given rectangle on Reaper's track view
// If dX1 != dX2, use those as times in s to horiz zoom to
void ZoomToRect(HWND hTrackView, RECT* rZoom, double dX1, double dX2)
{
RECT r;
GetClientRect(hTrackView, &r); // Need for width of view wnd
if (dX1 != dX2)
{ // Use these doubles as the x points (more accurate for item zooms!)
// Add 3% on each side for some "breathing" room, just like in Reaper zooms
adjustZoom(0.94 * (r.right - r.left) / (dX2 - dX1), 1, false, -1);
SetHorizPos(hTrackView, dX1, 0.03);
}
else if (rZoom->left != rZoom->right)
{ // Convert the rect left/right points to pixels, where 0 is the start of the project.
// These are same units as the scroll bar.
int iX1, iX2;
SCROLLINFO si = { sizeof(SCROLLINFO), };
si.fMask = SIF_ALL;
CoolSB_GetScrollInfo(hTrackView, SB_HORZ, &si); // Get the current scroll pos
iX1 = rZoom->left + si.nPos;
iX2 = rZoom->right + si.nPos;
dX1 = (double)iX1 / GetHZoomLevel();
dX2 = (double)iX2 / GetHZoomLevel();
adjustZoom(GetHZoomLevel() * r.right / (iX2 - iX1), 1, false, -1);
SetHorizPos(hTrackView, dX1);
}
if (g_bSetCursor)
SetEditCurPos(dX1, false, g_bSeekPlay);
if (g_bSetTimesel)
GetSet_LoopTimeRange(true, false, &dX1, &dX2, true);
// Now, find the track(s) at the rect top/bottom and zoom in
if (rZoom->top != rZoom->bottom)
{
MediaTrack* tr = TrackAtPoint(hTrackView, rZoom->top, NULL, NULL, NULL);
if (tr)
{ // If no track returned, user zoomed over the "dead" area at the bottom
int iFirst = CSurf_TrackToID(tr, false);
int iNum;
tr = TrackAtPoint(hTrackView, rZoom->bottom-1, NULL, NULL, NULL);
if (tr)
iNum = CSurf_TrackToID(tr, false) - iFirst + 1;
else
iNum = GetNumTracks() - iFirst + 1;
VertZoomRange(iFirst, iNum, NULL, false, true);
}
}
SaveZoomSlice(true);
}
void SetZoomCursor(HWND hwnd, POINT pStart)
{
HCURSOR newCur = NULL;
POINT p;
GetCursorPos(&p);
ScreenToClient(hwnd, &p);
if (g_bUnzoomMode && pStart.y - p.y > 2)
newCur = g_hZoomOutCur;
else if ((g_bDragUpUndo && pStart.y - p.y > 2) || (g_bUndoZoom && abs(p.x - pStart.x) <= 2 && abs(p.y - pStart.y) <= 2 && !ItemAtPoint(hwnd, p, NULL, NULL)))
newCur = g_hZoomUndoCur;
else
newCur = g_hZoomInCur;
if (GetCursor() != newCur && newCur)
SetCursor(newCur);
}