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t1tant1tan
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Initial version
A simple wxWidgets app that installs itself into the tray bar. Inspiration from wxWidgets taskbarIcon sample, ffmpeg code and DirectShow Sdk samples Icon from https://www.iconfinder.com/bitfreak86
0 parents  commit 4175fb5

14 files changed

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‎App.cpp‎

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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/taskbar.h"
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#include "wx/msw/registry.h"
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#include "App.h"
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#include "TaskBarIcon.h"
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wxIMPLEMENT_APP(MyApp);
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//check the Windows Dark Mode setting
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static bool locCheckDarkMode() {
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#ifdef _WIN32
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wxRegKey rk(wxRegKey::HKCU, "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize");
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if (rk.Exists() && rk.HasValue("AppsUseLightTheme"))
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{
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long value = -1;
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rk.QueryValue("AppsUseLightTheme", &value);
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return value <= 0;
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}
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#endif
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return wxSystemSettings::GetAppearance().IsDark();
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}
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//create the taskbar icon
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bool MyApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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if ( !wxTaskBarIcon::IsAvailable() )
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{
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wxMessageBox("There appears to be no system tray support in your current environment. This sample may not behave as expected.", "Warning", wxOK | wxICON_EXCLAMATION);
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}
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//needed to load the taskbar icon, as it's a PNG file
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wxImage::AddHandler(new wxPNGHandler());
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//create the taskbar icon object/logic
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m_taskBarIcon = new MyTaskBarIcon(this);
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//load the icon from resources, depending on the system theme
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bool isDark = locCheckDarkMode();
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if(!m_taskBarIcon->SetIcon(wxBitmapBundle::FromResources((isDark)?"IDI_PNG2":"IDI_PNG1"), "Capture device properties\nRight click to show a list of devices"))
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{
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wxLogError("Could not set icon.");
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}
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return true;
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}
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//cleanup
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int MyApp::OnExit()
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{
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delete m_taskBarIcon;
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return wxApp::OnExit();
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}

‎App.h‎

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#pragma once
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class MyTaskBarIcon;
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// Define a new application
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class MyApp : public wxApp
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{
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public:
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virtual bool OnInit() wxOVERRIDE;
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virtual int OnExit() wxOVERRIDE;
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private:
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MyTaskBarIcon* m_taskBarIcon;
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private:
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};

‎CaptureDeviceTaskbar.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.1.32328.378
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CaptureDeviceTaskbar", "CaptureDeviceTaskbar.vcxproj", "{B350F337-808B-5024-8764-D93BEC99F608}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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DLL Debug|x64 = DLL Debug|x64
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DLL Debug|x86 = DLL Debug|x86
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DLL Release|x64 = DLL Release|x64
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DLL Release|x86 = DLL Release|x86
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{B350F337-808B-5024-8764-D93BEC99F608}.Debug|x64.ActiveCfg = Debug|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.Debug|x64.Build.0 = Debug|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.Debug|x86.ActiveCfg = Debug|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.Debug|x86.Build.0 = Debug|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Debug|x64.ActiveCfg = DLL Debug|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Debug|x64.Build.0 = DLL Debug|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Debug|x86.ActiveCfg = DLL Debug|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Debug|x86.Build.0 = DLL Debug|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Release|x64.ActiveCfg = DLL Release|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Release|x64.Build.0 = DLL Release|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Release|x86.ActiveCfg = DLL Release|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.DLL Release|x86.Build.0 = DLL Release|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.Release|x64.ActiveCfg = Release|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.Release|x64.Build.0 = Release|x64
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{B350F337-808B-5024-8764-D93BEC99F608}.Release|x86.ActiveCfg = Release|Win32
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{B350F337-808B-5024-8764-D93BEC99F608}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {51B8F9B5-20DA-4B8E-8DB7-BDD08CB9F97D}
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EndGlobalSection
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EndGlobal

‎CaptureDeviceTaskbar.vcxproj‎

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‎DShowUtils.cpp‎

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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "DShowUtils.h"
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#include "dshow.h"
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#include "strmif.h"
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#include "objidl.h"
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#include "shlwapi.h"
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#pragma comment(lib, "strmiids")
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//inspiration for this from FFMpeg and the DirectShow SDK (Microsoft)
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static void locShowDShowFilterProperties(IBaseFilter* pDeviceFilter)
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{
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ISpecifyPropertyPages* pPropertyPages = NULL;
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IUnknown* pDeviceFilterIUnknown = NULL;
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HRESULT hr;
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FILTER_INFO filterInfo = { 0 }; /* a warning on this line is false positive GCC bug 53119 AFAICT */
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CAUUID ca_guid = { 0 };
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hr = pDeviceFilter->QueryInterface(IID_ISpecifyPropertyPages, (void**)&pPropertyPages);
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if (hr != S_OK) //error "requested filter does not have a property page to show"
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goto end;
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hr = pDeviceFilter->QueryFilterInfo(&filterInfo);
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if (hr != S_OK)
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goto fail;
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hr = pDeviceFilter->QueryInterface(IID_IUnknown, (void**)&pDeviceFilterIUnknown);
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if (hr != S_OK)
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goto fail;
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hr = pPropertyPages->GetPages(&ca_guid);
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if (hr != S_OK)
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goto fail;
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hr = OleCreatePropertyFrame(NULL, 0, 0, filterInfo.achName, 1, &pDeviceFilterIUnknown, ca_guid.cElems, ca_guid.pElems, 0, 0, NULL);
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if (hr != S_OK)
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goto fail;
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goto end;
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fail:
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//error "Failure showing property pages for filter"
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end:
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if (pPropertyPages)
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pPropertyPages->Release();
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if (pDeviceFilterIUnknown)
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pDeviceFilterIUnknown->Release();
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if (filterInfo.pGraph)
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filterInfo.pGraph->Release();
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if (ca_guid.pElems)
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CoTaskMemFree(ca_guid.pElems);
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}
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static HRESULT locEnumerateDevices(REFGUID category, IEnumMoniker** ppEnum)
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{
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// Create the System Device Enumerator.
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ICreateDevEnum* pDevEnum;
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HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
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CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pDevEnum));
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if (SUCCEEDED(hr))
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{
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// Create an enumerator for the category.
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hr = pDevEnum->CreateClassEnumerator(category, ppEnum, 0);
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if (hr == S_FALSE)
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{
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hr = VFW_E_NOT_FOUND; // The category is empty. Treat as an error.
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}
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pDevEnum->Release();
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}
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return hr;
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}
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static void locDisplayDeviceInformation(IEnumMoniker* pEnum, wxString sFriendlyName)
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{
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IMoniker* pMoniker = NULL;
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bool foundIt = false;
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while (!foundIt && pEnum->Next(1, &pMoniker, NULL) == S_OK)
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{
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IPropertyBag* pPropBag;
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HRESULT hr = pMoniker->BindToStorage(0, 0, IID_PPV_ARGS(&pPropBag));
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if (FAILED(hr))
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{
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pMoniker->Release();
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continue;
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}
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VARIANT var;
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VariantInit(&var);
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// Get description or friendly name.
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hr = pPropBag->Read(L"Description", &var, 0);
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if (FAILED(hr))
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{
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hr = pPropBag->Read(L"FriendlyName", &var, 0);
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}
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if (SUCCEEDED(hr))
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{
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VariantClear(&var);
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}
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hr = pPropBag->Write(L"FriendlyName", &var);
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foundIt = sFriendlyName.CompareTo(var.bstrVal) == 0;
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if (foundIt)
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{
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IBaseFilter* pFilter;
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hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&pFilter);
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if (SUCCEEDED(hr))
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{
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locShowDShowFilterProperties(pFilter);
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pFilter->Release();
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}
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}
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pPropBag->Release();
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pMoniker->Release();
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}
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}
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static void locGetFriendlyDeviceNames(IEnumMoniker* pEnum, wxArrayString &outArrResult)
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{
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IMoniker* pMoniker = NULL;
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while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
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{
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IPropertyBag* pPropBag;
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HRESULT hr = pMoniker->BindToStorage(0, 0, IID_PPV_ARGS(&pPropBag));
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if (FAILED(hr))
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{
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pMoniker->Release();
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continue;
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}
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VARIANT var;
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VariantInit(&var);
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// Get description or friendly name.
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hr = pPropBag->Read(L"Description", &var, 0);
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if (FAILED(hr))
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{
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hr = pPropBag->Read(L"FriendlyName", &var, 0);
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}
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if (SUCCEEDED(hr))
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{
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VariantClear(&var);
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}
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hr = pPropBag->Write(L"FriendlyName", &var);
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outArrResult.Add(var.bstrVal);
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pPropBag->Release();
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pMoniker->Release();
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}
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}
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void GetDevicesFriendlyName(wxArrayString& outArrResult)
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{
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outArrResult.Clear();
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HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
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if (SUCCEEDED(hr))
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{
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IEnumMoniker* pEnum = NULL;
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hr = locEnumerateDevices(CLSID_VideoInputDeviceCategory, &pEnum);
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if (SUCCEEDED(hr))
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{
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locGetFriendlyDeviceNames(pEnum, outArrResult);
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pEnum->Release();
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}
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CoUninitialize();
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}
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}
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void ShowDevicePropertyDialog(wxString sFriendlyName)
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{
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HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
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if (SUCCEEDED(hr))
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{
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IEnumMoniker* pEnum;
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hr = locEnumerateDevices(CLSID_VideoInputDeviceCategory, &pEnum);
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if (SUCCEEDED(hr))
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{
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locDisplayDeviceInformation(pEnum, sFriendlyName);
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pEnum->Release();
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}
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CoUninitialize();
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}
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}

‎DShowUtils.h‎

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#pragma once
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void GetDevicesFriendlyName(wxArrayString &outDeviceNames);
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void ShowDevicePropertyDialog(wxString sFriendlyName);

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