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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:29:28 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:29:28 +0200
commit75c07011b7c4d06acd7b45dabdcd60ab9d80f385 (patch)
tree8853c3978dd152ef377e652239448b1352320206 /ui/tray_icon.cpp
parent5.22 (diff)
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Diffstat (limited to 'ui/tray_icon.cpp')
-rw-r--r--ui/tray_icon.cpp236
1 files changed, 0 insertions, 236 deletions
diff --git a/ui/tray_icon.cpp b/ui/tray_icon.cpp
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--- a/ui/tray_icon.cpp
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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) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
-// **************************************************************************
-
-#include "tray_icon.h"
-#include <zen/basic_math.h>
-#include <zen/i18n.h>
-#include <wx/taskbar.h>
-#include <wx/menu.h>
-#include <wx/icon.h> //req. by Linux
-#include <wx+/image_tools.h>
-#include <wx+/image_resources.h>
-
-using namespace zen;
-
-
-namespace
-{
-void fillRange(wxImage& img, int pixelFirst, int pixelLast, const wxColor& col) //tolerant input range
-{
- if (img.IsOk())
- {
- const int width = img.GetWidth ();
- const int height = img.GetHeight();
-
- if (width > 0 && height > 0)
- {
- pixelFirst = std::max(pixelFirst, 0);
- pixelLast = std::min(pixelLast, width * height);
-
- if (pixelFirst < pixelLast)
- {
- 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 generateProgressIcon(const wxImage& logo, double fraction) //generate icon with progress indicator
-{
- if (!logo.IsOk() || logo.GetWidth() <= 0 || logo.GetHeight() <= 0)
- return wxIcon();
-
- const int pixelCount = logo.GetWidth() * logo.GetHeight();
- const int startFillPixel = numeric::confineCpy(numeric::round(fraction * pixelCount), 0, pixelCount);
-
- //minor optimization
- static std::pair<int, wxIcon> buffer = std::make_pair(-1, wxNullIcon);
-
- if (buffer.first != startFillPixel)
- {
- wxImage genImage(logo.Copy()); //workaround wxWidgets' screwed-up design from hell: their copy-construction implements reference-counting WITHOUT copy-on-write!
-
- //gradually make FFS icon brighter while nearing completion
- zen::brighten(genImage, -200 * (1 - fraction));
-
- //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, bStart, 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, bStart, bEnd, *wxBLACK);
- fillRange(genImage, startFillPixel - 1, startFillPixel, *wxBLACK);
- }
-
- //fill yellow remainder
- fillRange(genImage, startFillPixel, pixelCount, wxColour(240, 200, 0));
-
- buffer.second.CopyFromBitmap(wxBitmap(genImage));
- }
-
- return buffer.second;
-}
-
-//------------------------------------------------------------------------------------------------
-
-enum Selection
-{
- CONTEXT_RESTORE = 1 //wxWidgets: "A MenuItem ID of zero does not work under Mac"
-};
-}
-
-
-class FfsTrayIcon::TaskBarImpl : public wxTaskBarIcon
-{
-public:
- TaskBarImpl(const std::function<void()>& onRequestResume) : onRequestResume_(onRequestResume)
- {
- Connect(wxEVT_TASKBAR_LEFT_DCLICK, wxEventHandler(TaskBarImpl::OnDoubleClick), nullptr, this);
-
- //Windows User Experience Guidelines: show the context menu rather than doing *nothing* on single left clicks; however:
- //MSDN: "Double-clicking the left mouse button actually generates a sequence of four messages: WM_LBUTTONDOWN, WM_LBUTTONUP, WM_LBUTTONDBLCLK, and WM_LBUTTONUP."
- //Reference: http://msdn.microsoft.com/en-us/library/windows/desktop/ms645606%28v=vs.85%29.aspx
- //=> the only way to distinguish single left click and double-click is to wait wxSystemSettings::GetMetric(wxSYS_DCLICK_MSEC) (480ms) which is way too long!
- }
-
- //virtual ~TaskBarImpl(){}
-
- void dontCallbackAnymore() { onRequestResume_ = nullptr; }
-
-private:
- virtual wxMenu* CreatePopupMenu()
- {
- if (!onRequestResume_)
- return nullptr;
-
- wxMenu* contextMenu = new wxMenu;
-
- wxMenuItem* defaultItem = new wxMenuItem(contextMenu, CONTEXT_RESTORE, _("&Restore"));
- //wxWidgets font messup:
- //1. font must be set *before* wxMenu::Append()!
- //2. don't use defaultItem->GetFont(); making it bold creates a huge font size for some reason
-#ifdef ZEN_WIN //no wxMenuItem::SetFont() on Linux and OS X: wasn't wxWidgets supposed to be *portable* at some point in time?????
- defaultItem->SetFont(wxNORMAL_FONT->Bold()); //make default selection bold/align with double-click
-#endif
- contextMenu->Append(defaultItem);
-
- //event handling
- contextMenu->Connect(wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(TaskBarImpl::OnContextMenuSelection), nullptr, this);
-
- return contextMenu; //ownership transferred to caller
- }
-
- void OnContextMenuSelection(wxCommandEvent& event)
- {
- switch (static_cast<Selection>(event.GetId()))
- {
- case CONTEXT_RESTORE:
- if (onRequestResume_)
- onRequestResume_();
- break;
- }
- }
-
- void OnDoubleClick(wxEvent& event)
- {
- if (onRequestResume_)
- onRequestResume_();
- }
-
- //void OnLeftDownClick(wxEvent& event)
- //{
- // //copied from wxTaskBarIconBase::OnRightButtonDown()
- // if (wxMenu* menu = CreatePopupMenu())
- // {
- // PopupMenu(menu);
- // delete menu;
- // }
- //}
-
- std::function<void()> onRequestResume_;
-};
-
-
-FfsTrayIcon::FfsTrayIcon(const std::function<void()>& onRequestResume) :
- trayIcon(new TaskBarImpl(onRequestResume)),
- activeFraction(1), //show FFS logo by default
-#if defined ZEN_WIN || defined ZEN_MAC //16x16 seems to be the only size that is shown correctly on OS X
- logo(getResourceImage(L"FFS_tray_16x16").ConvertToImage())
-#elif defined ZEN_LINUX
- logo(getResourceImage(L"FFS_tray_24x24").ConvertToImage())
-#endif
-{
- trayIcon->SetIcon(generateProgressIcon(logo, activeFraction), L"FreeFileSync");
-}
-
-
-FfsTrayIcon::~FfsTrayIcon()
-{
- trayIcon->dontCallbackAnymore(); //TaskBarImpl has longer lifetime than FfsTrayIcon: avoid callback!
-
- /*
- This is not working correctly on OS X! It seems both wxTaskBarIcon::RemoveIcon() and ~wxTaskBarIcon() are broken and do NOT immediately
- remove the icon from the system tray! Only some time later in the event loop which called these functions they will be removed.
- Maybe some system component has still shared ownership? Objective C auto release pools are freed at the end of the current event loop...
- Anyway, wxWidgets fails to disconnect the wxTaskBarIcon event handlers before calling "[m_statusitem release]"!
-
- => !!!clicking on the icon after ~wxTaskBarIcon ran crashes the application!!!
-
- - if ~wxTaskBarIcon() ran from the SyncProgressDialog::updateGui() event loop (e.g. user manually clicking the icon) => icon removed on return
- - if ~wxTaskBarIcon() ran from SyncProgressDialog::closeWindowDirectly() => leaves the icon dangling until user closes this dialog and outter event loop runs!
- */
-
- trayIcon->RemoveIcon(); //required on Windows: unlike on OS X, wxPendingDelete does not kick in before main event loop!
- //use wxWidgets delayed destruction: delete during next idle loop iteration (handle late window messages, e.g. when double-clicking)
- wxPendingDelete.Append(trayIcon); //identical to wxTaskBarIconBase::Destroy() in wxWidgets 2.9.5
-}
-
-
-void FfsTrayIcon::setToolTip(const wxString& toolTip)
-{
- activeToolTip = toolTip;
- trayIcon->SetIcon(generateProgressIcon(logo, activeFraction), activeToolTip); //another wxWidgets design bug: non-orthogonal method!
-}
-
-
-void FfsTrayIcon::setProgress(double fraction)
-{
- activeFraction = fraction;
- trayIcon->SetIcon(generateProgressIcon(logo, activeFraction), activeToolTip);
-}
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