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boinc/clientgui/BOINCListCtrl.cpp

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2015 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "BOINCListCtrl.h"
#endif
#include "stdwx.h"
#include "BOINCBaseView.h"
#include "BOINCListCtrl.h"
#include "Events.h"
#ifndef wxHAS_LISTCTRL_COLUMN_ORDER
#define GetColumnOrder(x) x
#define GetColumnIndexFromOrder(x) x
#endif
BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
EVT_PAINT(MyEvtHandler::OnPaint)
END_EVENT_TABLE()
IMPLEMENT_DYNAMIC_CLASS(MyEvtHandler, wxEvtHandler)
MyEvtHandler::MyEvtHandler() {}
MyEvtHandler::MyEvtHandler(CBOINCListCtrl *theListControl) {
m_listCtrl = theListControl;
#ifdef __WXGTK__
m_view_startX = 0;
#endif
}
DEFINE_EVENT_TYPE(wxEVT_CHECK_SELECTION_CHANGED)
#if USE_NATIVE_LISTCONTROL
DEFINE_EVENT_TYPE(wxEVT_DRAW_PROGRESSBAR)
#endif
BEGIN_EVENT_TABLE(CBOINCListCtrl, LISTCTRL_BASE)
#if USE_NATIVE_LISTCONTROL
EVT_DRAW_PROGRESSBAR(CBOINCListCtrl::OnDrawProgressBar)
#else
#ifdef __WXMAC__
EVT_SIZE(CBOINCListCtrl::OnSize) // In MacAccessibility.mm
#endif
#endif
#if ! USE_LIST_CACHE_HINT
EVT_LEFT_DOWN(CBOINCListCtrl::OnMouseDown)
#endif
END_EVENT_TABLE()
IMPLEMENT_DYNAMIC_CLASS(CBOINCListCtrl, LISTCTRL_BASE)
CBOINCListCtrl::CBOINCListCtrl() {}
CBOINCListCtrl::CBOINCListCtrl(
CBOINCBaseView* pView, wxWindowID iListWindowID, wxInt32 iListWindowFlags
) : LISTCTRL_BASE(
pView, iListWindowID, wxDefaultPosition, wxSize(-1, -1), iListWindowFlags
) {
m_pParentView = pView;
// Enable Zebra Striping
EnableAlternateRowColours(true);
#if USE_NATIVE_LISTCONTROL
m_bProgressBarEventPending = false;
PushEventHandler(new MyEvtHandler(this));
#else
savedHandler = GetMainWin()->GetEventHandler();
GetMainWin()->PushEventHandler(new MyEvtHandler(this));
#ifdef __WXMAC__
SetupMacAccessibilitySupport();
#endif
#endif
}
CBOINCListCtrl::~CBOINCListCtrl()
{
#if USE_NATIVE_LISTCONTROL
PopEventHandler(true);
#else
GetMainWin()->PopEventHandler(true);
#ifdef __WXMAC__
RemoveMacAccessibilitySupport();
#endif
#endif
m_iRowsNeedingProgressBars.Clear();
}
bool CBOINCListCtrl::OnSaveState(wxConfigBase* pConfig) {
wxString strBaseConfigLocation = wxEmptyString;
wxInt32 iIndex = 0;
wxInt32 iStdColumnCount = 0;
wxInt32 iActualColumnCount = GetColumnCount();
int i, j;
wxASSERT(pConfig);
// Retrieve the base location to store configuration information
// Should be in the following form: "/Projects/"
strBaseConfigLocation = pConfig->GetPath() + wxT("/");
iStdColumnCount = m_pParentView->m_iStdColWidthOrder.size();
// Cycle through the columns recording their widths
for (iIndex = 0; iIndex < iActualColumnCount; iIndex++) {
m_pParentView->m_iStdColWidthOrder[m_pParentView->m_iColumnIndexToColumnID[iIndex]] = GetColumnWidth(iIndex);
}
for (iIndex = 0; iIndex < iStdColumnCount; iIndex++) {
pConfig->SetPath(strBaseConfigLocation + m_pParentView->m_aStdColNameOrder->Item(iIndex));
pConfig->Write(wxT("Width"), m_pParentView->m_iStdColWidthOrder[iIndex]);
}
// Save sorting column and direction
pConfig->SetPath(strBaseConfigLocation);
pConfig->Write(wxT("SortColumn"), m_pParentView->m_iSortColumnID);
pConfig->Write(wxT("ReverseSortOrder"), m_pParentView->m_bReverseSort);
// Save Column Order
wxString strColumnOrder;
wxString strBuffer;
wxString strHiddenColumns;
wxArrayInt aOrder(iActualColumnCount);
CBOINCBaseView* pView = (CBOINCBaseView*)GetParent();
wxASSERT(wxDynamicCast(pView, CBOINCBaseView));
#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
aOrder = GetColumnsOrder();
#else
for (i = 0; i < iActualColumnCount; ++i) {
aOrder[i] = i;
}
#endif
strColumnOrder.Printf(wxT("%s"), pView->m_aStdColNameOrder->Item(pView->m_iColumnIndexToColumnID[aOrder[0]]));
for (i = 1; i < iActualColumnCount; ++i)
{
strBuffer.Printf(wxT(";%s"), pView->m_aStdColNameOrder->Item(pView->m_iColumnIndexToColumnID[aOrder[i]]));
strColumnOrder += strBuffer;
}
pConfig->Write(wxT("ColumnOrder"), strColumnOrder);
strHiddenColumns = wxEmptyString;
for (i = 0; i < iStdColumnCount; ++i) {
bool found = false;
for (j = 0; j < iActualColumnCount; ++j) {
if (pView->m_iColumnIndexToColumnID[aOrder[j]] == i) {
found = true;
break;
}
}
if (found) continue;
if (!strHiddenColumns.IsEmpty()) {
strHiddenColumns += wxT(";");
}
strHiddenColumns += pView->m_aStdColNameOrder->Item(i);
}
pConfig->Write(wxT("HiddenColumns"), strHiddenColumns);
return true;
}
bool CBOINCListCtrl::OnRestoreState(wxConfigBase* pConfig) {
wxString strBaseConfigLocation = wxEmptyString;
wxInt32 iIndex = 0;
wxInt32 iStdColumnCount = 0;
wxInt32 iTempValue = 0;
wxASSERT(pConfig);
// Retrieve the base location to store configuration information
// Should be in the following form: "/Projects/"
strBaseConfigLocation = pConfig->GetPath() + wxT("/");
iStdColumnCount = m_pParentView->m_iStdColWidthOrder.size();
// Cycle through the possible columns updating column widths
for (iIndex = 0; iIndex < iStdColumnCount; iIndex++) {
pConfig->SetPath(strBaseConfigLocation + m_pParentView->m_aStdColNameOrder->Item(iIndex));
pConfig->Read(wxT("Width"), &iTempValue, -1);
if (-1 != iTempValue) {
m_pParentView->m_iStdColWidthOrder[iIndex] = iTempValue;
}
}
// Restore sorting column and direction
pConfig->SetPath(strBaseConfigLocation);
pConfig->Read(wxT("ReverseSortOrder"), &iTempValue,-1);
if (-1 != iTempValue) {
m_pParentView->m_bReverseSort = iTempValue != 0 ? true : false;
}
pConfig->Read(wxT("SortColumn"), &iTempValue,-1);
if (-1 != iTempValue) {
m_pParentView->m_iSortColumnID = iTempValue;
}
// Restore Column Order
wxString strColumnOrder;
wxString strHiddenColumns;
CBOINCBaseView* pView = (CBOINCBaseView*)GetParent();
if (pConfig->Read(wxT("ColumnOrder"), &strColumnOrder)) {
wxArrayString orderArray;
TokenizedStringToArray(strColumnOrder, ";", &orderArray);
SetListColumnOrder(orderArray);
// If the user installed a new version of BOINC, new columns may have
// been added that didn't exist in the older version. Check for this.
//
// This will also be triggered if the locale is changed, which will cause
// SetListColumnOrder() to be called again so the wxListCtrl will be set
// up with the correctly labeled columns.
bool foundNewColumns = false;
if (pConfig->Read(wxT("HiddenColumns"), &strHiddenColumns)) {
wxArrayString hiddenArray;
TokenizedStringToArray(strHiddenColumns, ";", &hiddenArray);
int shownCount = orderArray.size();
int hiddenCount = hiddenArray.size();
int totalCount = pView->m_aStdColNameOrder->size();
for (int i = 0; i < totalCount; ++i) {
wxString columnNameToFind = pView->m_aStdColNameOrder->Item(i);
bool found = false;
for (int j = 0; j < shownCount; ++j) {
if (orderArray[j].IsSameAs(columnNameToFind)) {
found = true;
break;
}
}
if (found) continue;
for (int j = 0; j < hiddenCount; ++j) {
if (hiddenArray[j].IsSameAs(columnNameToFind)) {
found = true;
break;
}
}
if (found) continue;
foundNewColumns = true;
orderArray.Add(columnNameToFind);
}
}
if (foundNewColumns) {
bool wasInStandardOrder = IsColumnOrderStandard();
SetListColumnOrder(orderArray);
if (wasInStandardOrder) SetStandardColumnOrder();
}
} else {
// No "ColumnOrder" tag in pConfig
// Show all columns in default column order
wxASSERT(wxDynamicCast(pView, CBOINCBaseView));
SetDefaultColumnDisplay();
}
if (m_pParentView->m_iSortColumnID != -1) {
m_pParentView->InitSort();
}
return true;
}
void CBOINCListCtrl::TokenizedStringToArray(wxString tokenized, char * delimiters, wxArrayString* array) {
wxString name;
array->Clear();
wxStringTokenizer tok(tokenized, delimiters);
while (tok.HasMoreTokens())
{
name = tok.GetNextToken();
if (name.IsEmpty()) continue;
array->Add(name);
}
}
// SetListColumnOrder() is called mostly from OnRestoreState(), so we don't
// call OnSaveState() from here. CDlgHiddenColumns calls OnSaveState()
// when we really need to do that.
//
// Unfortunately, we have no way of immediately calling OnSaveState() when
// the user manually reorders columns because that does not generate a
// notification from MS Windows so wxWidgets can't generate an event.
void CBOINCListCtrl::SetListColumnOrder(wxArrayString& orderArray) {
int i, stdCount, columnPosition;
int colCount = GetColumnCount();
int shownColCount = orderArray.GetCount();
int columnIndex = 0; // Column number among shown columns before re-ordering
int columnID = 0; // ID of column, e.g. COLUMN_PROJECT, COLUMN_STATUS, etc.
int sortColumnIndex = -1;
wxArrayInt aOrder(shownColCount);
CBOINCBaseView* pView = (CBOINCBaseView*)GetParent();
wxASSERT(wxDynamicCast(pView, CBOINCBaseView));
pView->m_iColumnIndexToColumnID.Clear();
for (i=colCount-1; i>=0; --i) {
DeleteColumn(i);
}
stdCount = pView->m_aStdColNameOrder->GetCount();
pView->m_iColumnIDToColumnIndex.Clear();
for (columnID=0; columnID<stdCount; ++columnID) {
pView->m_iColumnIDToColumnIndex.Add(-1);
}
for (columnID=0; columnID<stdCount; ++columnID) {
for (columnPosition=0; columnPosition<shownColCount; ++columnPosition) {
if (orderArray[columnPosition].IsSameAs(pView->m_aStdColNameOrder->Item(columnID))) {
aOrder[columnPosition] = columnIndex;
pView->AppendColumn(columnID);
pView->m_iColumnIndexToColumnID.Add(columnID);
pView->m_iColumnIDToColumnIndex[columnID] = columnIndex;
++columnIndex;
break;
}
}
}
// Prevent a crash bug if we just changed to a new locale.
//
// If a column has the same name in both the old and new locale, we guard against
// changing the sort column to that column.
//
// CBOINCListCtrl::OnRestoreState() may have incorrectly added the column names in
// the new locale as "new" columns, so check against both shownColCount and stdCount.
int limit = wxMin(shownColCount, stdCount);
if (columnIndex < limit) {
SetStandardColumnOrder();
for (columnID=0; columnID<limit; ++columnID) {
aOrder[columnID] = columnID;
pView->AppendColumn(columnID);
pView->m_iColumnIndexToColumnID.Add(columnID);
pView->m_iColumnIDToColumnIndex[columnID] = columnID;
}
}
// If sort column is now hidden, set the new first column as sort column
if (pView->m_iSortColumnID >= 0) {
sortColumnIndex = pView->m_iColumnIDToColumnIndex[pView->m_iSortColumnID];
if (sortColumnIndex < 0) {
pView->m_iSortColumnID = pView->m_iColumnIndexToColumnID[0];
pView->m_bReverseSort = false;
pView->SetSortColumn(0);
} else {
// Redraw the sort arrow, etc.
pView->SetSortColumn(sortColumnIndex);
}
}
#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
colCount = GetColumnCount();
if ((shownColCount > 0) && (shownColCount <= stdCount) && (colCount == shownColCount)) {
SetColumnsOrder(aOrder);
}
#endif
}
bool CBOINCListCtrl::IsColumnOrderStandard() {
#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
int i;
wxArrayInt aOrder = GetColumnsOrder();
int orderCount = aOrder.GetCount();
for (i=1; i<orderCount; ++i) {
if(aOrder[i] < aOrder[i-1]) return false;
}
#endif
return true;
}
void CBOINCListCtrl::SetStandardColumnOrder() {
int i;
int colCount = GetColumnCount();
wxArrayInt aOrder(colCount);
for (i=0; i<colCount; ++i) {
aOrder[i] = i;
}
#ifdef wxHAS_LISTCTRL_COLUMN_ORDER
if (colCount) {
SetColumnsOrder(aOrder);
}
#endif
}
void CBOINCListCtrl::SetDefaultColumnDisplay() {
int i;
wxArrayString orderArray;
CBOINCBaseView* pView = (CBOINCBaseView*)GetParent();
wxASSERT(wxDynamicCast(pView, CBOINCBaseView));
orderArray.Clear();
for (i=0; i<pView->m_iNumDefaultShownColumns; ++i) {
orderArray.Add(pView->m_aStdColNameOrder->Item(pView->m_iDefaultShownColumns[i]));
}
SetListColumnOrder(orderArray);
SetStandardColumnOrder();
}
void CBOINCListCtrl::SelectRow(int row, bool setSelected) {
SetItemState(row, setSelected ? wxLIST_STATE_SELECTED : 0, wxLIST_STATE_SELECTED);
}
void CBOINCListCtrl::AddPendingProgressBar(int row) {
bool duplicate = false;
int n = (int)m_iRowsNeedingProgressBars.GetCount();
for (int i=0; i<n; ++i) {
if (m_iRowsNeedingProgressBars[i] == row) {
duplicate = true;
}
}
if (!duplicate) {
m_iRowsNeedingProgressBars.Add(row);
}
}
wxString CBOINCListCtrl::OnGetItemText(long item, long column) const {
wxASSERT(m_pParentView);
wxASSERT(wxDynamicCast(m_pParentView, CBOINCBaseView));
return m_pParentView->FireOnListGetItemText(item, column);
}
int CBOINCListCtrl::OnGetItemImage(long item) const {
wxASSERT(m_pParentView);
wxASSERT(wxDynamicCast(m_pParentView, CBOINCBaseView));
return m_pParentView->FireOnListGetItemImage(item);
}
void CBOINCListCtrl::DrawProgressBars()
{
long topItem, numItems, numVisibleItems, row;
wxRect r, rr;
int w = 0, x = 0, xx, yy, ww;
int progressColumn = -1;
if (m_pParentView->GetProgressColumn() >= 0) {
progressColumn = m_pParentView->m_iColumnIDToColumnIndex[m_pParentView->GetProgressColumn()];
}
#if USE_NATIVE_LISTCONTROL
wxClientDC dc(this);
m_bProgressBarEventPending = false;
#else
wxClientDC dc(GetMainWin()); // Available only in wxGenericListCtrl
#endif
if (progressColumn < 0) {
m_iRowsNeedingProgressBars.Clear();
return;
}
int n = (int)m_iRowsNeedingProgressBars.GetCount();
if (n <= 0) return;
wxColour progressColor = wxTheColourDatabase->Find(wxT("LIGHT BLUE"));
wxBrush progressBrush(progressColor);
numItems = GetItemCount();
if (numItems) {
topItem = GetTopItem(); // Doesn't work properly for Mac Native control in wxMac-2.8.7
numVisibleItems = GetCountPerPage();
++numVisibleItems;
if (numItems <= (topItem + numVisibleItems)) numVisibleItems = numItems - topItem;
x = 0;
int progressColumnPosition = GetColumnOrder(progressColumn);
for (int i=0; i<progressColumnPosition; i++) {
x += GetColumnWidth(GetColumnIndexFromOrder(i));
}
w = GetColumnWidth(progressColumn);
#if USE_NATIVE_LISTCONTROL
x -= GetScrollPos(wxHORIZONTAL);
#else
CalcScrolledPosition(x, 0, &x, &yy);
#endif
wxFont theFont = GetFont();
dc.SetFont(theFont);
for (int i=0; i<n; ++i) {
row = m_iRowsNeedingProgressBars[i];
if (row < topItem) continue;
if (row > (topItem + numVisibleItems -1)) continue;
GetItemRect(row, r);
#if ! USE_NATIVE_LISTCONTROL
r.y = r.y - GetHeaderHeight() - 1;
#endif
r.x = x;
r.width = w;
r.Inflate(-1, -2);
rr = r;
wxString progressString = m_pParentView->GetProgressText(row);
dc.GetTextExtent(progressString, &xx, &yy);
r.y += (r.height - yy - 1) / 2;
// Adapted from ellipis code in wxRendererGeneric::DrawHeaderButtonContents()
if (xx > r.width) {
int ellipsisWidth;
dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
if (ellipsisWidth > r.width) {
progressString.Clear();
xx = 0;
} else {
do {
progressString.Truncate( progressString.length() - 1 );
dc.GetTextExtent( progressString, &xx, &yy);
} while (xx + ellipsisWidth > r.width && progressString.length() );
progressString.append( wxT("...") );
xx += ellipsisWidth;
}
}
dc.SetLogicalFunction(wxCOPY);
dc.SetBackgroundMode(wxSOLID);
dc.SetPen(progressColor);
dc.SetBrush(progressBrush);
dc.DrawRectangle( rr );
rr.Inflate(-2, -1);
ww = rr.width * m_pParentView->GetProgressValue(row);
rr.x += ww;
rr.width -= ww;
#if 0
// Show background stripes behind progress bars
wxListItemAttr* attr = m_pParentView->FireOnListGetItemAttr(row);
wxColour bkgd = attr->GetBackgroundColour();
dc.SetPen(bkgd);
dc.SetBrush(bkgd);
#else
dc.SetPen(*wxWHITE_PEN);
dc.SetBrush(*wxWHITE_BRUSH);
#endif
dc.DrawRectangle( rr );
dc.SetPen(*wxBLACK_PEN);
dc.SetBackgroundMode(wxTRANSPARENT);
if (xx > (r.width - 7)) {
dc.DrawText(progressString, r.x, r.y);
} else {
dc.DrawText(progressString, r.x + (w - 8 - xx), r.y);
}
}
}
m_iRowsNeedingProgressBars.Clear();
}
#if USE_NATIVE_LISTCONTROL
void MyEvtHandler::OnPaint(wxPaintEvent & event)
{
event.Skip();
if (m_listCtrl) {
m_listCtrl->PostDrawProgressBarEvent();
}
}
void CBOINCListCtrl::PostDrawProgressBarEvent() {
if (m_bProgressBarEventPending) return;
CDrawProgressBarEvent newEvent(wxEVT_DRAW_PROGRESSBAR, this);
AddPendingEvent(newEvent);
m_bProgressBarEventPending = true;
}
void CBOINCListCtrl::OnDrawProgressBar(CDrawProgressBarEvent& event) {
DrawProgressBars();
event.Skip();
}
#else
void MyEvtHandler::OnPaint(wxPaintEvent & event)
{
if (m_listCtrl) {
m_listCtrl->savedHandler->ProcessEvent(event);
m_listCtrl->DrawProgressBars();
#ifdef __WXGTK__
// Work around a wxWidgets 3.0 bug in wxGenericListCtrl (Linux
// only) which causes headers to be misaligned after horizontal
// scrolling due to wxListHeaderWindow::OnPaint() calling
// parent->GetViewStart() before the parent window has been
// scrolled to the new position.
int view_startX;
m_listCtrl->GetViewStart( &view_startX, NULL );
if (view_startX != m_view_startX) {
m_view_startX = view_startX;
((wxWindow *)m_listCtrl->m_headerWin)->Refresh();
((wxWindow *)m_listCtrl->m_headerWin)->Update();
}
#endif
} else {
event.Skip();
}
}
#endif
#if ! USE_LIST_CACHE_HINT
// Work around features in multiple selection virtual wxListCtrl:
// * It does not send deselection events (except ctrl-click).
// * It does not send selection events if you add to selection
// using Shift_Click.
//
// Post a special event. This will allow this mouse event to
// propogate through the chain to complete any selection or
// deselection operation, then the special event will trigger
// CBOINCBaseView::OnCheckSelectionChanged() to respond to the
// selection change, if any.
//
void CBOINCListCtrl::OnMouseDown(wxMouseEvent& event) {
CCheckSelectionChangedEvent newEvent(wxEVT_CHECK_SELECTION_CHANGED, this);
m_pParentView->GetEventHandler()->AddPendingEvent(newEvent);
event.Skip();
}
#endif
// To reduce flicker, refresh only changed columns (except
// on Mac, which is double-buffered to eliminate flicker.)
void CBOINCListCtrl::RefreshCell(int row, int col) {
wxRect r;
GetSubItemRect(row, col, r);
RefreshRect(r);
}
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