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tray(Win32): re-add the tray icon upon taskbar restart (#13261)

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This commit is contained in:
g9wp
2025-09-22 21:47:25 +08:00
committed by GitHub
parent fc648e5546
commit aef05d8750
3 changed files with 64 additions and 2 deletions
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2
src/tray/SDL_tray_utils.c
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@@ -83,6 +83,8 @@ void SDL_CleanupTrays(void)
SDL_DestroyTray((SDL_Tray *)trays[i]);
}
SDL_free(trays);
SDL_ClearProperty(SDL_GetGlobalProperties(), SDL_PROP_TRAY_CLEANUP);
}
bool SDL_HasActiveTrays(void)

2
src/tray/SDL_tray_utils.h
View File

@@ -20,6 +20,8 @@
*/
#include "SDL_internal.h"
#define SDL_PROP_TRAY_CLEANUP "SDL.internal.tray.cleanup"
extern void SDL_RegisterTray(SDL_Tray *tray);
extern void SDL_UnregisterTray(SDL_Tray *tray);
extern void SDL_CleanupTrays(void);

62
src/tray/windows/SDL_tray.c
View File

@@ -108,6 +108,15 @@ LRESULT CALLBACK TrayWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lPar
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
static UINT s_taskbarRestart = 0;
if (s_taskbarRestart == 0) {
s_taskbarRestart = RegisterWindowMessage(TEXT("TaskbarCreated"));
}
if (uMsg == s_taskbarRestart) {
Shell_NotifyIconW(NIM_ADD, &tray->nid);
Shell_NotifyIconW(NIM_SETVERSION, &tray->nid);
}
switch (uMsg) {
case WM_TRAYICON:
if (LOWORD(lParam) == WM_CONTEXTMENU || LOWORD(lParam) == WM_LBUTTONUP) {
@@ -213,6 +222,51 @@ void SDL_UpdateTrays(void)
{
}
static void SDL_PropTrayCleanupCb(void *userdata, void *cls)
{
WNDCLASSEX wcex;
wcex.hIcon = NULL;
wcex.hIconSm = NULL;
HINSTANCE h = GetModuleHandle(NULL);
if (GetClassInfoEx(h, cls, &wcex)) {
UnregisterClass(cls, h);
}
}
static bool SDL_RegisterTrayClass(LPCWSTR className)
{
SDL_PropertiesID props = SDL_GetGlobalProperties();
if (!props) {
return false;
}
if (SDL_GetPointerProperty(props, SDL_PROP_TRAY_CLEANUP, NULL) != NULL) {
return true;
}
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.hCursor = NULL;
wcex.hIcon = NULL;
wcex.hIconSm = NULL;
wcex.lpszMenuName = NULL;
wcex.lpszClassName = className;
wcex.style = 0;
wcex.hbrBackground = NULL;
wcex.lpfnWndProc = TrayWindowProc;
wcex.hInstance = NULL;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
if (!RegisterClassEx(&wcex)) {
return SDL_SetError("Couldn't register tray class");
}
SDL_SetPointerPropertyWithCleanup(props, SDL_PROP_TRAY_CLEANUP, (void *)wcex.lpszClassName, SDL_PropTrayCleanupCb, NULL);
return true;
}
SDL_Tray *SDL_CreateTray(SDL_Surface *icon, const char *tooltip)
{
if (!SDL_IsMainThread()) {
@@ -227,8 +281,12 @@ SDL_Tray *SDL_CreateTray(SDL_Surface *icon, const char *tooltip)
}
tray->menu = NULL;
tray->hwnd = CreateWindowEx(0, TEXT("Message"), NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL);
SetWindowLongPtr(tray->hwnd, GWLP_WNDPROC, (LONG_PTR) TrayWindowProc);
if (!SDL_RegisterTrayClass(TEXT("SDL_TRAY"))) {
SDL_SetError("Failed to register SDL_TRAY window class");
return NULL;
}
tray->hwnd = CreateWindowEx(0, TEXT("SDL_TRAY"), NULL, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, NULL, NULL);
WIN_UpdateDarkModeForHWND(tray->hwnd);