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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
#include "tray_icon.h"
#include "../library/resources.h"
#include "small_dlgs.h"
#include "../shared/i18n.h"
#include <wx/taskbar.h>
#include <cmath>
#include <wx/image.h>
#include <wx/menu.h>
#include <wx/icon.h> //req. by Linux
const wxEventType FFS_REQUEST_RESUME_TRAY_EVENT = wxNewEventType();
namespace
{
inline
int roundNum(double d) //little rounding function
{
return static_cast<int>(d < 0 ? d - .5 : d + .5);
}
void fillRange(wxImage& img, int pixelFirst, int pixelLast, const wxColor& col)
{
const int pixelCount = img.GetWidth() >= 0 ? img.GetWidth() * img.GetHeight() : -1;
if (0 <= pixelFirst && pixelFirst < pixelLast && pixelLast <= pixelCount)
{
unsigned char* const bytesBegin = img.GetData() + pixelFirst * 3;
unsigned char* const bytesEnd = img.GetData() + pixelLast * 3;
for (unsigned char* bytePos = bytesBegin; bytePos < bytesEnd; bytePos += 3)
{
bytePos[0] = col.Red ();
bytePos[1] = col.Green();
bytePos[2] = col.Blue ();
}
if (img.HasAlpha()) //make progress indicator fully opaque:
std::fill(img.GetAlpha() + pixelFirst, img.GetAlpha() + pixelLast, wxIMAGE_ALPHA_OPAQUE);
}
}
wxIcon generateIcon(double percent) //generate icon with progress indicator
{
#ifdef FFS_WIN
static const wxBitmap trayIcon = GlobalResources::instance().getImage(wxT("FFS_tray_win.png"));
#elif defined FFS_LINUX
static const wxBitmap trayIcon = GlobalResources::instance().getImage(wxT("FFS_tray_linux.png"));
#endif
const int pixelCount = trayIcon.GetWidth() * trayIcon.GetHeight();
const int startFillPixel = std::min(roundNum(percent / 100.0 * pixelCount), pixelCount);
//minor optimization
static std::pair<int, wxIcon> buffer = std::make_pair(-1, wxNullIcon);
if (buffer.first == startFillPixel)
return buffer.second;
wxIcon genIcon;
wxImage genImage(trayIcon.ConvertToImage());
if (genImage.GetWidth() > 0 &&
genImage.GetHeight() > 0)
{
//fill black border row
if (startFillPixel <= pixelCount - genImage.GetWidth())
{
/*
--------
---bbbbb
bbbbSyyy S : start yellow remainder
yyyyyyyy
*/
int bStart = startFillPixel - genImage.GetWidth();
if (bStart % genImage.GetWidth() != 0) //add one more black pixel, see ascii-art
--bStart;
fillRange(genImage, std::max(bStart, 0), startFillPixel, *wxBLACK);
}
else if (startFillPixel != pixelCount)
{
//special handling for last row
/*
--------
--------
---bbbbb
---bSyyy S : start yellow remainder
*/
int bStart = startFillPixel - genImage.GetWidth() - 1;
int bEnd = (bStart / genImage.GetWidth() + 1) * (genImage.GetWidth());
fillRange(genImage, std::max(bStart, 0), bEnd, *wxBLACK);
fillRange(genImage, startFillPixel - 1, startFillPixel, *wxBLACK);
}
//fill yellow remainder
fillRange(genImage, startFillPixel, pixelCount, wxColour(240, 200, 0));
/*
const int indicatorWidth = genImage.GetWidth() * .4;
const int indicatorXBegin = std::ceil((genImage.GetWidth() - indicatorWidth) / 2.0);
const int indicatorYBegin = genImage.GetHeight() - indicatorHeight;
//draw progress indicator: do NOT use wxDC::DrawRectangle! Doesn't respect alpha in Windows, but does in Linux!
//We need a simple, working solution:
for (int row = indicatorYBegin; row < genImage.GetHeight(); ++row)
{
for (int col = indicatorXBegin; col < indicatorXBegin + indicatorWidth; ++col)
{
unsigned char* const pixelBegin = data + (row * genImage.GetWidth() + col) * 3;
pixelBegin[0] = 240; //red
pixelBegin[1] = 200; //green
pixelBegin[2] = 0; //blue
}
}
if (genImage.HasAlpha())
{
unsigned char* const alpha = genImage.GetAlpha();
//make progress indicator fully opaque:
for (int row = indicatorYBegin; row < genImage.GetHeight(); ++row)
::memset(alpha + row * genImage.GetWidth() + indicatorXBegin, wxIMAGE_ALPHA_OPAQUE, indicatorWidth);
}
*/
genIcon.CopyFromBitmap(wxBitmap(genImage));
}
else //fallback
genIcon.CopyFromBitmap(trayIcon);
//fill buffer
buffer.first = startFillPixel;
buffer.second = genIcon;
return genIcon;
}
}
//------------------------------------------------------------------------------------------------
enum Selection
{
CONTEXT_RESTORE,
CONTEXT_ABOUT
};
class FfsTrayIcon::TaskBarImpl : public wxTaskBarIcon
{
public:
TaskBarImpl(FfsTrayIcon& parent) : parent_(&parent) {}
void parentHasDied() { parent_ = NULL; }
private:
virtual wxMenu* CreatePopupMenu()
{
if (!parent_)
return NULL;
wxMenu* contextMenu = new wxMenu;
contextMenu->Append(CONTEXT_ABOUT, _("&About..."));
contextMenu->AppendSeparator();
contextMenu->Append(CONTEXT_RESTORE, _("&Restore"));
//event handling
contextMenu->Connect(wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(FfsTrayIcon::OnContextMenuSelection), NULL, parent_);
return contextMenu; //ownership transferred to caller
}
FfsTrayIcon* parent_;
};
FfsTrayIcon::FfsTrayIcon() :
trayIcon(new TaskBarImpl(*this))
{
trayIcon->SetIcon(generateIcon(0), wxT("FreeFileSync"));
trayIcon->Connect(wxEVT_TASKBAR_LEFT_DCLICK, wxCommandEventHandler(FfsTrayIcon::OnDoubleClick), NULL, this); //register double-click
}
FfsTrayIcon::~FfsTrayIcon()
{
trayIcon->RemoveIcon(); //hide icon until final deletion takes place
trayIcon->Disconnect(wxEVT_TASKBAR_LEFT_DCLICK, wxCommandEventHandler(FfsTrayIcon::OnDoubleClick), NULL, this);
trayIcon->parentHasDied(); //TaskBarImpl (potentially) has longer lifetime than FfsTrayIcon: avoid callback!
//use wxWidgets delayed destruction: delete during next idle loop iteration (handle late window messages, e.g. when double-clicking)
if (!wxPendingDelete.Member(trayIcon))
wxPendingDelete.Append(trayIcon);
}
void FfsTrayIcon::setToolTip(const wxString& toolTipText, double percent)
{
trayIcon->SetIcon(generateIcon(percent), toolTipText);
}
void FfsTrayIcon::OnContextMenuSelection(wxCommandEvent& event)
{
const Selection eventId = static_cast<Selection>(event.GetId());
switch (eventId)
{
case CONTEXT_ABOUT:
{
//ATTENTION: the modal dialog below does NOT disable all GUI input, e.g. user may still double-click on tray icon
//which will implicitly destroy the tray icon while still showing the modal dialog
trayIcon->SetEvtHandlerEnabled(false);
zen::showAboutDialog();
trayIcon->SetEvtHandlerEnabled(true);
}
break;
case CONTEXT_RESTORE:
{
wxCommandEvent dummy(FFS_REQUEST_RESUME_TRAY_EVENT);
ProcessEvent(dummy);
}
}
}
void FfsTrayIcon::OnDoubleClick(wxCommandEvent& event)
{
wxCommandEvent dummy(FFS_REQUEST_RESUME_TRAY_EVENT);
ProcessEvent(dummy);
}
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