diff SDL3/SDL_tray.h @ 1:20d02a178406 default tip

*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDL3/SDL_tray.h	Mon Jan 05 02:15:46 2026 -0500
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ * # CategoryTray
+ *
+ * SDL offers a way to add items to the "system tray" (more correctly called
+ * the "notification area" on Windows). On platforms that offer this concept,
+ * an SDL app can add a tray icon, submenus, checkboxes, and clickable
+ * entries, and register a callback that is fired when the user clicks on
+ * these pieces.
+ */
+
+#ifndef SDL_tray_h_
+#define SDL_tray_h_
+
+#include <SDL3/SDL_stdinc.h>
+#include <SDL3/SDL_error.h>
+#include <SDL3/SDL_surface.h>
+#include <SDL3/SDL_video.h>
+
+#include <SDL3/SDL_begin_code.h>
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * An opaque handle representing a toplevel system tray object.
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_Tray SDL_Tray;
+
+/**
+ * An opaque handle representing a menu/submenu on a system tray object.
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_TrayMenu SDL_TrayMenu;
+
+/**
+ * An opaque handle representing an entry on a system tray object.
+ *
+ * \since This struct is available since SDL 3.2.0.
+ */
+typedef struct SDL_TrayEntry SDL_TrayEntry;
+
+/**
+ * Flags that control the creation of system tray entries.
+ *
+ * Some of these flags are required; exactly one of them must be specified at
+ * the time a tray entry is created. Other flags are optional; zero or more of
+ * those can be OR'ed together with the required flag.
+ *
+ * \since This datatype is available since SDL 3.2.0.
+ *
+ * \sa SDL_InsertTrayEntryAt
+ */
+typedef Uint32 SDL_TrayEntryFlags;
+
+#define SDL_TRAYENTRY_BUTTON      0x00000001u /**< Make the entry a simple button. Required. */
+#define SDL_TRAYENTRY_CHECKBOX    0x00000002u /**< Make the entry a checkbox. Required. */
+#define SDL_TRAYENTRY_SUBMENU     0x00000004u /**< Prepare the entry to have a submenu. Required */
+#define SDL_TRAYENTRY_DISABLED    0x80000000u /**< Make the entry disabled. Optional. */
+#define SDL_TRAYENTRY_CHECKED     0x40000000u /**< Make the entry checked. This is valid only for checkboxes. Optional. */
+
+/**
+ * A callback that is invoked when a tray entry is selected.
+ *
+ * \param userdata an optional pointer to pass extra data to the callback when
+ *                 it will be invoked.
+ * \param entry the tray entry that was selected.
+ *
+ * \since This datatype is available since SDL 3.2.0.
+ *
+ * \sa SDL_SetTrayEntryCallback
+ */
+typedef void (SDLCALL *SDL_TrayCallback)(void *userdata, SDL_TrayEntry *entry);
+
+/**
+ * Create an icon to be placed in the operating system's tray, or equivalent.
+ *
+ * Many platforms advise not using a system tray unless persistence is a
+ * necessary feature. Avoid needlessly creating a tray icon, as the user may
+ * feel like it clutters their interface.
+ *
+ * Using tray icons require the video subsystem.
+ *
+ * \param icon a surface to be used as icon. May be NULL.
+ * \param tooltip a tooltip to be displayed when the mouse hovers the icon in
+ *                UTF-8 encoding. Not supported on all platforms. May be NULL.
+ * \returns The newly created system tray icon.
+ *
+ * \threadsafety This function should only be called on the main thread.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTrayMenu
+ * \sa SDL_GetTrayMenu
+ * \sa SDL_DestroyTray
+ */
+extern SDL_DECLSPEC SDL_Tray * SDLCALL SDL_CreateTray(SDL_Surface *icon, const char *tooltip);
+
+/**
+ * Updates the system tray icon's icon.
+ *
+ * \param tray the tray icon to be updated.
+ * \param icon the new icon. May be NULL.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTray
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_SetTrayIcon(SDL_Tray *tray, SDL_Surface *icon);
+
+/**
+ * Updates the system tray icon's tooltip.
+ *
+ * \param tray the tray icon to be updated.
+ * \param tooltip the new tooltip in UTF-8 encoding. May be NULL.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTray
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_SetTrayTooltip(SDL_Tray *tray, const char *tooltip);
+
+/**
+ * Create a menu for a system tray.
+ *
+ * This should be called at most once per tray icon.
+ *
+ * This function does the same thing as SDL_CreateTraySubmenu(), except that
+ * it takes a SDL_Tray instead of a SDL_TrayEntry.
+ *
+ * A menu does not need to be destroyed; it will be destroyed with the tray.
+ *
+ * \param tray the tray to bind the menu to.
+ * \returns the newly created menu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTray
+ * \sa SDL_GetTrayMenu
+ * \sa SDL_GetTrayMenuParentTray
+ */
+extern SDL_DECLSPEC SDL_TrayMenu * SDLCALL SDL_CreateTrayMenu(SDL_Tray *tray);
+
+/**
+ * Create a submenu for a system tray entry.
+ *
+ * This should be called at most once per tray entry.
+ *
+ * This function does the same thing as SDL_CreateTrayMenu, except that it
+ * takes a SDL_TrayEntry instead of a SDL_Tray.
+ *
+ * A menu does not need to be destroyed; it will be destroyed with the tray.
+ *
+ * \param entry the tray entry to bind the menu to.
+ * \returns the newly created menu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_GetTraySubmenu
+ * \sa SDL_GetTrayMenuParentEntry
+ */
+extern SDL_DECLSPEC SDL_TrayMenu * SDLCALL SDL_CreateTraySubmenu(SDL_TrayEntry *entry);
+
+/**
+ * Gets a previously created tray menu.
+ *
+ * You should have called SDL_CreateTrayMenu() on the tray object. This
+ * function allows you to fetch it again later.
+ *
+ * This function does the same thing as SDL_GetTraySubmenu(), except that it
+ * takes a SDL_Tray instead of a SDL_TrayEntry.
+ *
+ * A menu does not need to be destroyed; it will be destroyed with the tray.
+ *
+ * \param tray the tray entry to bind the menu to.
+ * \returns the newly created menu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTray
+ * \sa SDL_CreateTrayMenu
+ */
+extern SDL_DECLSPEC SDL_TrayMenu * SDLCALL SDL_GetTrayMenu(SDL_Tray *tray);
+
+/**
+ * Gets a previously created tray entry submenu.
+ *
+ * You should have called SDL_CreateTraySubmenu() on the entry object. This
+ * function allows you to fetch it again later.
+ *
+ * This function does the same thing as SDL_GetTrayMenu(), except that it
+ * takes a SDL_TrayEntry instead of a SDL_Tray.
+ *
+ * A menu does not need to be destroyed; it will be destroyed with the tray.
+ *
+ * \param entry the tray entry to bind the menu to.
+ * \returns the newly created menu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_CreateTraySubmenu
+ */
+extern SDL_DECLSPEC SDL_TrayMenu * SDLCALL SDL_GetTraySubmenu(SDL_TrayEntry *entry);
+
+/**
+ * Returns a list of entries in the menu, in order.
+ *
+ * \param menu The menu to get entries from.
+ * \param count An optional pointer to obtain the number of entries in the
+ *              menu.
+ * \returns a NULL-terminated list of entries within the given menu. The
+ *          pointer becomes invalid when any function that inserts or deletes
+ *          entries in the menu is called.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_RemoveTrayEntry
+ * \sa SDL_InsertTrayEntryAt
+ */
+extern SDL_DECLSPEC const SDL_TrayEntry ** SDLCALL SDL_GetTrayEntries(SDL_TrayMenu *menu, int *count);
+
+/**
+ * Removes a tray entry.
+ *
+ * \param entry The entry to be deleted.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_RemoveTrayEntry(SDL_TrayEntry *entry);
+
+/**
+ * Insert a tray entry at a given position.
+ *
+ * If label is NULL, the entry will be a separator. Many functions won't work
+ * for an entry that is a separator.
+ *
+ * An entry does not need to be destroyed; it will be destroyed with the tray.
+ *
+ * \param menu the menu to append the entry to.
+ * \param pos the desired position for the new entry. Entries at or following
+ *            this place will be moved. If pos is -1, the entry is appended.
+ * \param label the text to be displayed on the entry, in UTF-8 encoding, or
+ *              NULL for a separator.
+ * \param flags a combination of flags, some of which are mandatory.
+ * \returns the newly created entry, or NULL if pos is out of bounds.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_TrayEntryFlags
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_RemoveTrayEntry
+ * \sa SDL_GetTrayEntryParent
+ */
+extern SDL_DECLSPEC SDL_TrayEntry * SDLCALL SDL_InsertTrayEntryAt(SDL_TrayMenu *menu, int pos, const char *label, SDL_TrayEntryFlags flags);
+
+/**
+ * Sets the label of an entry.
+ *
+ * An entry cannot change between a separator and an ordinary entry; that is,
+ * it is not possible to set a non-NULL label on an entry that has a NULL
+ * label (separators), or to set a NULL label to an entry that has a non-NULL
+ * label. The function will silently fail if that happens.
+ *
+ * \param entry the entry to be updated.
+ * \param label the new label for the entry in UTF-8 encoding.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_GetTrayEntryLabel
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_SetTrayEntryLabel(SDL_TrayEntry *entry, const char *label);
+
+/**
+ * Gets the label of an entry.
+ *
+ * If the returned value is NULL, the entry is a separator.
+ *
+ * \param entry the entry to be read.
+ * \returns the label of the entry in UTF-8 encoding.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_SetTrayEntryLabel
+ */
+extern SDL_DECLSPEC const char * SDLCALL SDL_GetTrayEntryLabel(SDL_TrayEntry *entry);
+
+/**
+ * Sets whether or not an entry is checked.
+ *
+ * The entry must have been created with the SDL_TRAYENTRY_CHECKBOX flag.
+ *
+ * \param entry the entry to be updated.
+ * \param checked true if the entry should be checked; false otherwise.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_GetTrayEntryChecked
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_SetTrayEntryChecked(SDL_TrayEntry *entry, bool checked);
+
+/**
+ * Gets whether or not an entry is checked.
+ *
+ * The entry must have been created with the SDL_TRAYENTRY_CHECKBOX flag.
+ *
+ * \param entry the entry to be read.
+ * \returns true if the entry is checked; false otherwise.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_SetTrayEntryChecked
+ */
+extern SDL_DECLSPEC bool SDLCALL SDL_GetTrayEntryChecked(SDL_TrayEntry *entry);
+
+/**
+ * Sets whether or not an entry is enabled.
+ *
+ * \param entry the entry to be updated.
+ * \param enabled true if the entry should be enabled; false otherwise.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_GetTrayEntryEnabled
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_SetTrayEntryEnabled(SDL_TrayEntry *entry, bool enabled);
+
+/**
+ * Gets whether or not an entry is enabled.
+ *
+ * \param entry the entry to be read.
+ * \returns true if the entry is enabled; false otherwise.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ * \sa SDL_SetTrayEntryEnabled
+ */
+extern SDL_DECLSPEC bool SDLCALL SDL_GetTrayEntryEnabled(SDL_TrayEntry *entry);
+
+/**
+ * Sets a callback to be invoked when the entry is selected.
+ *
+ * \param entry the entry to be updated.
+ * \param callback a callback to be invoked when the entry is selected.
+ * \param userdata an optional pointer to pass extra data to the callback when
+ *                 it will be invoked.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_GetTrayEntries
+ * \sa SDL_InsertTrayEntryAt
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_SetTrayEntryCallback(SDL_TrayEntry *entry, SDL_TrayCallback callback, void *userdata);
+
+/**
+ * Simulate a click on a tray entry.
+ *
+ * \param entry The entry to activate.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_ClickTrayEntry(SDL_TrayEntry *entry);
+
+/**
+ * Destroys a tray object.
+ *
+ * This also destroys all associated menus and entries.
+ *
+ * \param tray the tray icon to be destroyed.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTray
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_DestroyTray(SDL_Tray *tray);
+
+/**
+ * Gets the menu containing a certain tray entry.
+ *
+ * \param entry the entry for which to get the parent menu.
+ * \returns the parent menu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_InsertTrayEntryAt
+ */
+extern SDL_DECLSPEC SDL_TrayMenu * SDLCALL SDL_GetTrayEntryParent(SDL_TrayEntry *entry);
+
+/**
+ * Gets the entry for which the menu is a submenu, if the current menu is a
+ * submenu.
+ *
+ * Either this function or SDL_GetTrayMenuParentTray() will return non-NULL
+ * for any given menu.
+ *
+ * \param menu the menu for which to get the parent entry.
+ * \returns the parent entry, or NULL if this menu is not a submenu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTraySubmenu
+ * \sa SDL_GetTrayMenuParentTray
+ */
+extern SDL_DECLSPEC SDL_TrayEntry * SDLCALL SDL_GetTrayMenuParentEntry(SDL_TrayMenu *menu);
+
+/**
+ * Gets the tray for which this menu is the first-level menu, if the current
+ * menu isn't a submenu.
+ *
+ * Either this function or SDL_GetTrayMenuParentEntry() will return non-NULL
+ * for any given menu.
+ *
+ * \param menu the menu for which to get the parent enttrayry.
+ * \returns the parent tray, or NULL if this menu is a submenu.
+ *
+ * \threadsafety This function should be called on the thread that created the
+ *               tray.
+ *
+ * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_CreateTrayMenu
+ * \sa SDL_GetTrayMenuParentEntry
+ */
+extern SDL_DECLSPEC SDL_Tray * SDLCALL SDL_GetTrayMenuParentTray(SDL_TrayMenu *menu);
+
+/**
+ * Update the trays.
+ *
+ * This is called automatically by the event loop and is only needed if you're
+ * using trays but aren't handling SDL events.
+ *
+ * \threadsafety This function should only be called on the main thread.
+ *
+ * \since This function is available since SDL 3.2.0.
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_UpdateTrays(void);
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include <SDL3/SDL_close_code.h>
+
+#endif /* SDL_tray_h_ */