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VST state save/restore

This commit is contained in:
Jack Andersen 2016-06-13 22:04:37 -10:00
parent e7c7e5ffd3
commit 7659371cb6
4 changed files with 94 additions and 24 deletions
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53
VST/VSTBackend.cpp
View File

@ -138,6 +138,7 @@ VSTBackend::VSTBackend(audioMasterCallback cb)
setNumOutputs(2);
setEditor(&m_editor);
sizeWindow(600, 420);
programsAreChunks();
m_booBackend = std::make_unique<VSTVoiceEngine>();
m_voxAlloc.emplace(*m_booBackend);
@ -323,6 +324,58 @@ void VSTBackend::setDrumProgram(int programNo)
m_curSeq->setChanProgram(9, programNo);
}
VstInt32 VSTBackend::getChunk(void** data, bool)
{
size_t allocSz = 14;
if (m_curData)
allocSz += (m_curData->m_path.size() - m_userDir.size() - 1) * 2;
uint8_t* buf = new uint8_t[allocSz];
if (m_curData)
memmove(buf, m_curData->m_path.data() + m_userDir.size() + 1, allocSz - 12);
else
*reinterpret_cast<wchar_t*>(buf) = L'\0';
uint32_t* intVals = reinterpret_cast<uint32_t*>(buf + allocSz - 12);
intVals[0] = m_listenProg;
intVals[1] = m_editor.m_selGroupIdx;
intVals[2] = m_editor.m_selPageIdx;
*data = buf;
return allocSz;
}
VstInt32 VSTBackend::setChunk(void* data, VstInt32 byteSize, bool)
{
if (byteSize < 14)
return 0;
wchar_t* path = reinterpret_cast<wchar_t*>(data);
uint32_t* intVals = reinterpret_cast<uint32_t*>(path + wcslen(path) + 1);
std::wstring targetPath = m_userDir + L'\\' + path;
m_listenProg = intVals[0];
uint32_t groupIdx = intVals[1];
uint32_t pageIdx = intVals[2];
size_t colIdx = 0;
for (auto& collection : m_filePresenter.m_audioGroupCollections)
{
size_t fileIdx = 0;
for (auto& file : collection.second->m_groups)
{
if (!file.second->m_path.compare(targetPath))
{
m_editor.selectCollection(LPARAM(0x80000000 | (colIdx << 16) | fileIdx));
m_editor.selectGroup(groupIdx);
m_editor.selectPage(pageIdx);
m_editor._reselectColumns();
}
++fileIdx;
}
++colIdx;
}
return 1;
}
}
AudioEffect* createEffectInstance(audioMasterCallback audioMaster)

4
VST/VSTBackend.hpp
View File

@ -35,6 +35,7 @@ class VSTBackend : public AudioEffectX
const AudioGroupDataCollection* m_curData = nullptr;
size_t m_curFrame = 0;
std::wstring m_userDir;
int m_listenProg = 0;
AudioGroupFilePresenter m_filePresenter;
VSTEditor m_editor;
public:
@ -61,6 +62,9 @@ public:
void loadGroupSequencer(int collectionIdx, int fileIdx, int groupIdx);
void setNormalProgram(int programNo);
void setDrumProgram(int programNo);
VstInt32 getChunk(void** data, bool isPreset);
VstInt32 setChunk(void* data, VstInt32 byteSize, bool isPreset);
};
}

45
VST/VSTEditor.cpp
View File

@ -4,6 +4,7 @@
#include <Windowsx.h>
#include <shellapi.h>
#include <algorithm>
#include <Shlwapi.h>
#undef min
#undef max
@ -47,12 +48,7 @@ LRESULT CALLBACK VSTEditor::WindowProc(HWND hwnd,
if (itemAct.hdr.hwndFrom == editor.m_groupListView)
editor.selectGroup(itemAct.iItem);
else if (itemAct.hdr.hwndFrom == editor.m_pageListView)
{
if (itemAct.lParam & 0x80000000)
editor.selectDrumPage(itemAct.lParam & 0x7fffffff);
else
editor.selectNormalPage(itemAct.lParam & 0x7fffffff);
}
editor.selectPage(itemAct.iItem);
return 0;
}
case TVN_SELCHANGED:
@ -201,7 +197,7 @@ bool VSTEditor::open(void* ptr)
treeItem.item.pszText = L"Root A";
LVCOLUMN column = {};
column.mask = LVCF_FMT | LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM;
column.mask = LVCF_FMT | LVCF_TEXT | LVCF_WIDTH;
column.fmt = LVCFMT_LEFT | LVCFMT_FIXED_WIDTH;
column.cx = 199;
@ -250,7 +246,7 @@ bool VSTEditor::open(void* ptr)
m_collectionAdd = CreateWindowW(WC_BUTTON,
L"+",
WS_CHILD | WS_CLIPSIBLINGS | BS_PUSHBUTTON,
1, m_windowRect.bottom - m_windowRect.top - 26,
1, m_windowRect.bottom - m_windowRect.top - 25,
25, 24,
m_rootView,
nullptr,
@ -258,12 +254,12 @@ bool VSTEditor::open(void* ptr)
nullptr);
SetWindowFont(m_collectionAdd, GetStockObject(ANSI_FIXED_FONT), FALSE);
Button_Enable(m_collectionAdd, TRUE);
SetWindowPos(m_collectionAdd, HWND_TOP, 1, m_windowRect.bottom - m_windowRect.top - 26, 25, 24, SWP_SHOWWINDOW);
SetWindowPos(m_collectionAdd, HWND_TOP, 1, m_windowRect.bottom - m_windowRect.top - 25, 25, 24, SWP_SHOWWINDOW);
m_collectionRemove = CreateWindowW(WC_BUTTON,
L"-",
WS_CHILD | WS_CLIPSIBLINGS | BS_PUSHBUTTON,
26, m_windowRect.bottom - m_windowRect.top - 26,
26, m_windowRect.bottom - m_windowRect.top - 25,
25, 24,
m_rootView,
nullptr,
@ -271,7 +267,7 @@ bool VSTEditor::open(void* ptr)
nullptr);
SetWindowFont(m_collectionRemove, GetStockObject(ANSI_FIXED_FONT), FALSE);
Button_Enable(m_collectionRemove, FALSE);
SetWindowPos(m_collectionRemove, HWND_TOP, 26, m_windowRect.bottom - m_windowRect.top - 26, 25, 24, SWP_SHOWWINDOW);
SetWindowPos(m_collectionRemove, HWND_TOP, 26, m_windowRect.bottom - m_windowRect.top - 25, 25, 24, SWP_SHOWWINDOW);
m_groupListView = CreateWindowW(WC_LISTVIEW,
@ -305,7 +301,7 @@ bool VSTEditor::open(void* ptr)
nullptr,
nullptr);
column.pszText = L"Page";
column.cx = 198;
column.cx = 198 - GetSystemMetrics(SM_CXVSCROLL);
header = ListView_GetHeader(m_pageListView);
SetWindowLongPtrW(header, GWLP_USERDATA, LONG_PTR(column.pszText));
SetWindowLongPtr(header, GWLP_WNDPROC, LONG_PTR(ColHeaderWindowProc));
@ -315,10 +311,7 @@ bool VSTEditor::open(void* ptr)
ListView_InsertColumn(m_pageListView, 0, &column);
ShowWindow(m_pageListView, SW_SHOW);
m_backend.getFilePresenter().populateCollectionColumn(*this);
m_backend.getFilePresenter().populateGroupColumn(*this, m_selCollectionIdx, m_selFileIdx);
m_backend.getFilePresenter().populatePageColumn(*this, m_selCollectionIdx, m_selFileIdx, m_selGroupIdx);
_reselectColumns();
update();
return true;
}
@ -330,7 +323,12 @@ void VSTEditor::close()
void VSTEditor::update()
{
m_backend.getFilePresenter().populateCollectionColumn(*this);
m_backend.getFilePresenter().populateGroupColumn(*this, m_selCollectionIdx, m_selFileIdx);
m_backend.loadGroupSequencer(m_selCollectionIdx, m_selFileIdx, m_selGroupIdx);
m_backend.getFilePresenter().populatePageColumn(*this, m_selCollectionIdx, m_selFileIdx, m_selGroupIdx);
selectPage(m_selPageIdx);
_reselectColumns();
}
void VSTEditor::addAction()
@ -414,6 +412,19 @@ void VSTEditor::selectGroup(int idx)
m_backend.getFilePresenter().populatePageColumn(*this, m_selCollectionIdx, m_selFileIdx, m_selGroupIdx);
}
void VSTEditor::selectPage(int idx)
{
m_selPageIdx = idx;
LV_ITEM item = {};
item.mask = LVIF_PARAM;
item.iItem = idx;
ListView_GetItem(m_pageListView, &item);
if (item.lParam & 0x80000000)
selectDrumPage(item.lParam & 0x7fffffff);
else
selectNormalPage(item.lParam & 0x7fffffff);
}
void VSTEditor::selectNormalPage(int idx)
{
m_backend.setNormalProgram(idx);

16
VST/VSTEditor.hpp
View File

@ -14,19 +14,20 @@ class VSTBackend;
/** Editor UI class */
class VSTEditor : public AEffEditor
{
friend class VSTBackend;
friend class AudioGroupFilePresenter;
friend struct AudioGroupCollection;
VSTBackend& m_backend;
ERect m_windowRect = {0, 0, 420, 600};
HWND m_rootView;
HWND m_collectionHeader;
HWND m_collectionTree;
HWND m_collectionAdd;
HWND m_collectionRemove;
HWND m_groupListView;
HWND m_pageListView;
HWND m_rootView = 0;
HWND m_collectionHeader = 0;
HWND m_collectionTree = 0;
HWND m_collectionAdd = 0;
HWND m_collectionRemove = 0;
HWND m_groupListView = 0;
HWND m_pageListView = 0;
int m_selCollectionIdx = -1;
int m_selFileIdx = -1;
@ -62,6 +63,7 @@ public:
void selectCollection(LPARAM idx);
void selectGroup(int idx);
void selectPage(int idx);
void selectNormalPage(int idx);
void selectDrumPage(int idx);
};