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Release v0.6.2: configurable screenshot editor and DPI fixes

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This commit is contained in:
Anatolii Hrynchuk
2026-10-29 12:41:48 +02:00
parent 21a09e33be
commit 6b180798f5
22 changed files with 231 additions and 99 deletions
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src/screenshot_notifications.cpp
+4 -39
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@@ -26,7 +26,6 @@ using Microsoft::WRL::ComPtr;
namespace Notifications=ABI::Windows::UI::Notifications;
namespace Xml=ABI::Windows::Data::Xml::Dom;
constexpr wchar_t AppId[]=L"HrynCo.KSwitcher.Screenshot";
constexpr GUID ActivatorId{0xe3f78047,0xf0ad,0x49b6,{0x90,0x74,0x41,0x19,0x31,0x70,0x61,0x67}};
std::string notificationError;
void check(HRESULT result) { if(FAILED(result)) { char message[100]; snprintf(message,sizeof(message),"Windows screenshot notification failed (0x%08lx)",(unsigned long)result); throw std::runtime_error(message); } }
struct String {
@@ -91,41 +90,6 @@ void cleanCache(const std::filesystem::path &path)
}
}
}
void registryString(const std::wstring &path,const wchar_t *name,const std::wstring &value)
{
HKEY key{};
if(RegCreateKeyExW(HKEY_CURRENT_USER,path.c_str(),0,nullptr,0,KEY_SET_VALUE,nullptr,&key,nullptr)!=ERROR_SUCCESS)
throw std::runtime_error("Cannot register screenshot notifications");
auto result=RegSetValueExW(key,name,0,REG_SZ,(const BYTE *)value.c_str(),DWORD((value.size()+1)*sizeof(wchar_t)));
RegCloseKey(key);
if(result!=ERROR_SUCCESS) throw std::runtime_error("Cannot register screenshot notification activation");
}
void registerNotifications()
{
auto exe=executable();
registryString(L"Software\\Classes\\CLSID\\{e3f78047-f0ad-49b6-9074-411931706167}\\LocalServer32",nullptr,L"\""+exe+L"\" --toast-activated");
registryString(L"Software\\Classes\\CLSID\\{e3f78047-f0ad-49b6-9074-411931706167}\\LocalServer32",L"ServerExecutable",exe);
auto identity=std::wstring(L"Software\\Classes\\AppUserModelId\\")+AppId;
registryString(identity,L"DisplayName",L"KSwitcher Screenshot");
registryString(identity,L"IconUri",exe);
registryString(identity,L"CustomActivator",L"{e3f78047-f0ad-49b6-9074-411931706167}");
// A shortcut supplies desktop notification identity and its COM activation callback.
ComPtr<IShellLinkW> link; check(CoCreateInstance(CLSID_ShellLink,nullptr,CLSCTX_INPROC_SERVER,IID_PPV_ARGS(&link)));
check(link->SetPath(exe.c_str())); check(link->SetIconLocation(exe.c_str(),0));
ComPtr<IPropertyStore> properties; check(link.As(&properties));
PROPVARIANT id{}; check(InitPropVariantFromString(AppId,&id));
auto result=properties->SetValue(PKEY_AppUserModel_ID,id); PropVariantClear(&id); check(result);
GUID activator=ActivatorId;
PROPVARIANT clsid{}; clsid.vt=VT_CLSID; clsid.puuid=&activator;
check(properties->SetValue(PKEY_AppUserModel_ToastActivatorCLSID,clsid));
check(properties->Commit());
PWSTR programs{}; check(SHGetKnownFolderPath(FOLDERID_Programs,0,nullptr,&programs));
auto shortcut=std::filesystem::path(programs)/L"KSwitcher Screenshot.lnk"; CoTaskMemFree(programs);
ComPtr<IPersistFile> file; check(link.As(&file)); check(file->Save(shortcut.c_str(),TRUE));
// The notification broker caches protocol handlers independently of ShellExecute.
SHChangeNotify(SHCNE_ASSOCCHANGED,SHCNF_IDLIST,nullptr,nullptr);
check(SetCurrentProcessExplicitAppUserModelID(AppId));
}
void savePreview(const Clip &clip,const std::filesystem::path &path)
{
auto pixels=decodeImage(clip,360,220);
@@ -161,7 +125,8 @@ bool notifyScreenshot(const Clip &clip)
notificationError.clear();
const char *stage="registration";
try {
registerNotifications();
registerScreenshotNotifications();
check(SetCurrentProcessExplicitAppUserModelID(AppId));
stage="notification manager";
ComPtr<Notifications::IToastNotificationManagerStatics> manager;
String managerClass(L"Windows.UI.Notifications.ToastNotificationManager");
@@ -212,9 +177,9 @@ bool notifyScreenshot(const Clip &clip)
stage="show";
check(notifier->Show(toast.Get()));
return true;
} catch(const std::exception &e) { notificationError=std::string(stage)+": "+e.what(); return false; } // Clipboard is already populated; fall back to the editor.
} catch(const std::exception &e) { notificationError=std::string(stage)+": "+e.what(); log(wide(notificationError)); return false; } // Clipboard is already populated; fall back to the editor.
}
std::string screenshotNotificationError() { return notificationError; }
void registerScreenshotNotifications() { registerNotifications(); }
}