/usr/include/mirclient/mir_toolkit/mir_window.h is in libmirclient-dev 0.26.3+16.04.20170605-0ubuntu1.1.
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* Copyright © 2017 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MIR_TOOLKIT_MIR_WINDOW_H_
#define MIR_TOOLKIT_MIR_WINDOW_H_
#include <mir_toolkit/mir_native_buffer.h>
#include <mir_toolkit/client_types.h>
#include <mir_toolkit/common.h>
#include <mir_toolkit/mir_cursor_configuration.h>
#include <mir_toolkit/deprecations.h>
#include <stdbool.h>
#ifdef __cplusplus
/**
* \addtogroup mir_toolkit
* @{
*/
extern "C" {
#endif
/**
* Create a window specification for a normal window.
*
* A normal window is suitable for most application windows. It has no special semantics.
* On a desktop shell it will typically have a title-bar, be movable, resizeable, etc.
*
* \param [in] connection Connection the window will be created on
* \param [in] width Requested width. The server is not guaranteed to return a window of this width.
* \param [in] height Requested height. The server is not guaranteed to return a window of this height.
*
* \return A handle that can be passed to mir_create_window() to complete construction.
*/
MirWindowSpec* mir_create_normal_window_spec(MirConnection* connection,
int width, int height);
/**
* Create a window specification for a menu window.
*
* Positioning of the window is specified with respect to the parent window
* via an adjacency rectangle. The server will attempt to choose an edge of the
* adjacency rectangle on which to place the window taking in to account
* screen-edge proximity or similar constraints. In addition, the server can use
* the edge affinity hint to consider only horizontal or only vertical adjacency
* edges in the given rectangle.
*
* \param [in] connection Connection the window will be created on
* \param [in] width Requested width. The server is not guaranteed to
* return a window of this width.
* \param [in] height Requested height. The server is not guaranteed to
* return a window of this height.
* \param [in] parent A valid parent window for this menu.
* \param [in] rect The adjacency rectangle. The server is not
* guaranteed to create a window at the requested
* location.
* \param [in] edge The preferred edge direction to attach to. Use
* mir_edge_attachment_any for no preference.
* \return A handle that can be passed to mir_create_window()
* to complete construction.
*/
MirWindowSpec*
mir_create_menu_window_spec(MirConnection* connection,
int width, int height,
MirWindow* parent,
MirRectangle* rect,
MirEdgeAttachment edge);
/**
* Create a window specification for a tip window.
*
* Positioning of the window is specified with respect to the parent window
* via an adjacency rectangle. The server will attempt to choose an edge of the
* adjacency rectangle on which to place the window taking in to account
* screen-edge proximity or similar constraints. In addition, the server can use
* the edge affinity hint to consider only horizontal or only vertical adjacency
* edges in the given rectangle.
*
* \param [in] connection Connection the window will be created on
* \param [in] width Requested width. The server is not guaranteed to
* return a window of this width.
* \param [in] height Requested height. The server is not guaranteed to
* return a window of this height.
* \param [in] parent A valid parent window for this tip.
* \param [in] rect The adjacency rectangle. The server is not
* guaranteed to create a window at the requested
* location.
* \param [in] edge The preferred edge direction to attach to. Use
* mir_edge_attachment_any for no preference.
* \return A handle that can be passed to mir_create_window()
* to complete construction.
*/
MirWindowSpec*
mir_create_tip_window_spec(MirConnection* connection,
int width, int height,
MirWindow* parent,
MirRectangle* rect,
MirEdgeAttachment edge);
/**
* Create a window specification for a modal dialog window.
*
* The dialog window will have input focus; the parent can still be moved,
* resized or hidden/minimized but no interaction is possible until the dialog
* is dismissed.
*
* A dialog will typically have no close/maximize button decorations.
*
* During window creation, if the specified parent is another dialog window
* the server may choose to close the specified parent in order to show this
* new dialog window.
*
* \param [in] connection Connection the window will be created on
* \param [in] width Requested width. The server is not guaranteed to
* return a window of this width.
* \param [in] height Requested height. The server is not guaranteed to
* return a window of this height.
* \param [in] parent A valid parent window.
*
*/
MirWindowSpec*
mir_create_modal_dialog_window_spec(MirConnection* connection,
int width, int height,
MirWindow* parent);
/**
* Create a window specification for a parentless dialog window.
*
* A parentless dialog window is similar to a normal window, but it cannot
* be fullscreen and typically won't have any maximize/close button decorations.
*
* A parentless dialog is not allowed to have other dialog children. The server
* may decide to close the parent and show the child dialog only.
*
* \param [in] connection Connection the window will be created on
* \param [in] width Requested width. The server is not guaranteed to
* return a window of this width.
* \param [in] height Requested height. The server is not guaranteed to
* return a window of this height.
*/
MirWindowSpec*
mir_create_dialog_window_spec(MirConnection* connection,
int width, int height);
/**
* Create a window specification for an input method window.
*
* Currently this is only appropriate for the Unity On-Screen-Keyboard.
*
* \param [in] connection Connection the window will be created on
* \param [in] width Requested width. The server is not guaranteed to return a window of this width.
* \param [in] height Requested height. The server is not guaranteed to return a window of this height.
* \return A handle that can be passed to mir_create_window() to complete construction.
*/
MirWindowSpec*
mir_create_input_method_window_spec(MirConnection* connection,
int width, int height);
/**
* Create a window specification.
* This can be used with mir_create_window() to create a window or with
* mir_window_apply_spec() to change an existing window.
* \remark For use with mir_create_window() at least the type, width, height,
* format and buffer_usage must be set. (And for types requiring a parent that
* too must be set.)
*
* \param [in] connection a valid mir connection
* \return A handle that can ultimately be passed to
* mir_create_window() or mir_window_apply_spec()
*/
MirWindowSpec* mir_create_window_spec(MirConnection* connection);
/**
* Set the requested parent.
*
* \param [in] spec Specification to mutate
* \param [in] parent A valid parent window.
*/
void mir_window_spec_set_parent(MirWindowSpec* spec, MirWindow* parent);
/**
* Update a window specification with a window type.
* This can be used with mir_create_window() to create a window or with
* mir_window_apply_spec() to change an existing window.
* \remark For use with mir_window_apply_spec() the shell need not support
* arbitrary changes of type and some target types may require the setting of
* properties such as "parent" that are not already present on the window.
* The type transformations the server is required to support are:\n
* regular => utility, dialog or satellite\n
* utility => regular, dialog or satellite\n
* dialog => regular, utility or satellite\n
* satellite => regular, utility or dialog\n
* popup => satellite
*
* \param [in] spec Specification to mutate
* \param [in] type the target type of the window
*/
void mir_window_spec_set_type(MirWindowSpec* spec, MirWindowType type);
/**
* Set the requested name.
*
* The window name helps the user to distinguish between multiple surfaces
* from the same application. A typical desktop shell may use it to provide
* text in the window titlebar, in an alt-tab switcher, or equivalent.
*
* \param [in] spec Specification to mutate
* \param [in] name Requested name. This must be valid UTF-8.
* Copied into spec; clients can free the buffer passed after this call.
*/
void mir_window_spec_set_name(MirWindowSpec* spec, char const* name);
/**
* Set the requested width, in pixels
*
* \param [in] spec Specification to mutate
* \param [in] width Requested width.
*
* \note The requested dimensions are a hint only. The server is not
* guaranteed to create a window of any specific width or height.
*/
void mir_window_spec_set_width(MirWindowSpec* spec, unsigned width);
/**
* Set the requested height, in pixels
*
* \param [in] spec Specification to mutate
* \param [in] height Requested height.
*
* \note The requested dimensions are a hint only. The server is not
* guaranteed to create a window of any specific width or height.
*/
void mir_window_spec_set_height(MirWindowSpec* spec, unsigned height);
/**
* Set the requested width increment, in pixels.
* Defines an arithmetic progression of sizes starting with min_width (if set, otherwise 0)
* into which the window prefers to be resized.
*
* \param [in] spec Specification to mutate
* \param [in] width_inc Requested width increment.
*
* \note The requested dimensions are a hint only. The server is not guaranteed to
* create a window of any specific width or height.
*/
void mir_window_spec_set_width_increment(MirWindowSpec* spec, unsigned width_inc);
/**
* Set the requested height increment, in pixels
* Defines an arithmetic progression of sizes starting with min_height (if set, otherwise 0)
* into which the window prefers to be resized.
*
* \param [in] spec Specification to mutate
* \param [in] height_inc Requested height increment.
*
* \note The requested dimensions are a hint only. The server is not guaranteed to
* create a window of any specific width or height.
*/
void mir_window_spec_set_height_increment(MirWindowSpec* spec, unsigned height_inc);
/**
* Set the minimum width, in pixels
*
* \param [in] spec Specification to mutate
* \param [in] min_width Minimum width.
*
* \note The requested dimensions are a hint only. The server is not guaranteed to create a
* window of any specific width or height.
*/
void mir_window_spec_set_min_width(MirWindowSpec* spec, unsigned min_width);
/**
* Set the minimum height, in pixels
*
* \param [in] spec Specification to mutate
* \param [in] min_height Minimum height.
*
* \note The requested dimensions are a hint only. The server is not guaranteed to create a
* window of any specific width or height.
*/
void mir_window_spec_set_min_height(MirWindowSpec* spec, unsigned min_height);
/**
* Set the maximum width, in pixels
*
* \param [in] spec Specification to mutate
* \param [in] max_width maximum width.
*
* \note The requested dimensions are a hint only. The server is not guaranteed to create a
* window of any specific width or height.
*/
void mir_window_spec_set_max_width(MirWindowSpec* spec, unsigned max_width);
/**
* Set the maximum height, in pixels
*
* \param [in] spec Specification to mutate
* \param [in] max_height maximum height.
*
* \note The requested dimensions are a hint only. The server is not guaranteed to create a
* window of any specific width or height.
*/
void mir_window_spec_set_max_height(MirWindowSpec* spec, unsigned max_height);
/**
* Set the minimum aspect ratio. This is the minimum ratio of window width to height.
* It is independent of orientation changes and/or preferences.
*
* \param [in] spec Specification to mutate
* \param [in] width numerator
* \param [in] height denominator
*
* \note The requested aspect ratio is a hint only. The server is not guaranteed
* to create a window of any specific aspect.
*/
void mir_window_spec_set_min_aspect_ratio(MirWindowSpec* spec, unsigned width, unsigned height);
/**
* Set the maximum aspect ratio. This is the maximum ratio of window width to height.
* It is independent of orientation changes and/or preferences.
*
* \param [in] spec Specification to mutate
* \param [in] width numerator
* \param [in] height denominator
*
* \note The requested aspect ratio is a hint only. The server is not guaranteed
* to create a window of any specific aspect.
*/
void mir_window_spec_set_max_aspect_ratio(MirWindowSpec* spec, unsigned width, unsigned height);
/**
* \param [in] spec Specification to mutate
* \param [in] output_id ID of output to place window on. From MirDisplayOutput.output_id
*
* \note If this call returns %true then a valid window returned from mir_create_window() is
* guaranteed to be fullscreen on the specified output. An invalid window is returned
* if the server unable to, or policy prevents it from, honouring this request.
*/
void mir_window_spec_set_fullscreen_on_output(MirWindowSpec* spec, uint32_t output_id);
/**
* Set the requested preferred orientation mode.
* \param [in] spec Specification to mutate
* \param [in] mode Requested preferred orientation
*
* \note If the server is unable to create a window with the preferred orientation at
* the point mir_create_window() is called it will instead return an invalid window.
*/
void mir_window_spec_set_preferred_orientation(MirWindowSpec* spec, MirOrientationMode mode);
/**
* Request that the created window be attached to a window of a different client.
*
* This is restricted to input methods, which need to attach their suggestion window
* to text entry widgets of other processes.
*
* \param [in] spec Specification to mutate
* \param [in] parent A MirWindowId reference to the parent window
* \param [in] attachment_rect A rectangle specifying the region (in parent window coordinates)
* that the created window should be attached to.
* \param [in] edge The preferred edge direction to attach to. Use
* mir_edge_attachment_any for no preference.
* \return False if the operation is invalid for this window type.
*
* \note If the parent window becomes invalid before mir_create_window() is processed,
* it will return an invalid window. If the parent window is valid at the time
* mir_create_window() is called but is later closed, this window will also receive
* a close event.
*/
bool mir_window_spec_attach_to_foreign_parent(MirWindowSpec* spec,
MirWindowId* parent,
MirRectangle* attachment_rect,
MirEdgeAttachment edge);
/**
* Set the requested state.
* \param [in] spec Specification to mutate
* \param [in] state Requested state
*
* \note If the server is unable to create a window with the requested state at
* the point mir_create_window() is called it will instead return an invalid window.
*/
void mir_window_spec_set_state(MirWindowSpec* spec, MirWindowState state);
/**
* Set a collection of input rectangles associated with the spec.
* Rectangles are specified as a list of regions relative to the top left
* of the specified window. If the server applies this specification
* to a window input which would normally go to the window but is not
* contained within any of the input rectangles instead passes
* on to the next client.
*
* \param [in] spec The spec to accumulate the request in.
* \param [in] rectangles An array of MirRectangles specifying the input shape.
* \param [in] n_rects The number of elements in the rectangles array.
*/
void mir_window_spec_set_input_shape(MirWindowSpec* spec,
MirRectangle const *rectangles,
size_t n_rects);
/**
* Set the event handler to be called when events arrive for a window.
* \warning event_handler could be called from another thread. You must do
* any locking appropriate to protect your data accessed in the
* callback. There is also a chance that different events will be
* called back in different threads, for the same window,
* simultaneously.
* \param [in] spec The spec to accumulate the request in.
* \param [in] callback The callback function
* \param [in] context Additional argument to be passed to callback
*/
void mir_window_spec_set_event_handler(MirWindowSpec* spec,
MirWindowEventCallback callback,
void* context);
/**
* Ask the shell to customize "chrome" for this window.
* For example, on the phone hide indicators when this window is active.
*
* \param [in] spec The spec to accumulate the request in.
* \param [in] style The requested level of "chrome"
*/
void mir_window_spec_set_shell_chrome(MirWindowSpec* spec, MirShellChrome style);
/**
* Attempts to set the pointer confinement spec for this window
*
* This will request the window manager to confine the pointer to the surfaces region.
*
* \param [in] spec The spec to accumulate the request in.
* \param [in] state The state you would like the pointer confinement to be in.
*/
void mir_window_spec_set_pointer_confinement(MirWindowSpec* spec, MirPointerConfinementState state);
/**
* Set the window placement on the spec.
*
* \param [in] spec the spec to update
* \param [in] rect the destination rectangle to align with
* \param [in] rect_gravity the point on \p rect to align with
* \param [in] surface_gravity the point on the window to align with
* \param [in] placement_hints positioning hints to use when limited on space
* \param [in] offset_dx horizontal offset to shift w.r.t. \p rect
* \param [in] offset_dy vertical offset to shift w.r.t. \p rect
*
* Moves a window to \p rect, aligning their reference points.
*
* \p rect is relative to the top-left corner of the parent window.
* \p rect_gravity and \p surface_gravity determine the points on \p rect and
* the window to pin together. \p rect's alignment point can be offset by
* \p offset_dx and \p offset_dy, which is equivalent to offsetting the
* position of the window.
*
* \p placement_hints determine how the window should be positioned in the case
* that the window would fall off-screen if placed in its ideal position.
* See \ref MirPlacementHints for details.
*/
void mir_window_spec_set_placement(MirWindowSpec* spec,
const MirRectangle* rect,
MirPlacementGravity rect_gravity,
MirPlacementGravity window_gravity,
MirPlacementHints placement_hints,
int offset_dx,
int offset_dy);
/**
* Set the name for the cursor from the system cursor theme.
* \param [in] spec The spec
* \param [in] name The name, or "" to reset to default
*/
void mir_window_spec_set_cursor_name(MirWindowSpec* spec, char const* name);
/**
* \note To be deprecated soon. Only for enabling other deprecations.
*
* Set the requested pixel format.
* \param [in] spec Specification to mutate
* \param [in] format Requested pixel format
*
* \note If this call returns %true then the server is guaranteed to honour this request.
* If the server is unable to create a window with this pixel format at
* the point mir_create_window() is called it will instead return an invalid window.
*/
void mir_window_spec_set_pixel_format(MirWindowSpec* spec, MirPixelFormat format);
/**
* \note To be deprecated soon. Only for enabling other deprecations.
*
* Set the requested buffer usage.
* \param [in] spec Specification to mutate
* \param [in] usage Requested buffer usage
*
* \note If this call returns %true then the server is guaranteed to honour this request.
* If the server is unable to create a window with this buffer usage at
* the point mir_create_window() is called it will instead return an invalid window.
*/
void mir_window_spec_set_buffer_usage(MirWindowSpec* spec, MirBufferUsage usage);
/**
* \note To be deprecated soon. Waiting for mir_window_spec_set_render_surfaces() to land.
*
* Set the streams associated with the spec.
* streams[0] is the bottom-most stream, and streams[size-1] is the topmost.
* On application of the spec, a stream that is present in the window,
* but is not in the list will be disassociated from the window.
* On application of the spec, a stream that is not present in the window,
* but is in the list will be associated with the window.
* Streams set a displacement from the top-left corner of the window.
*
* \warning disassociating streams from the window will not release() them.
* \warning It is wiser to arrange the streams within the bounds of the
* window the spec is applied to. Shells can define their own
* behavior as to what happens to an out-of-bound stream.
*
* \param [in] spec The spec to accumulate the request in.
* \param [in] streams An array of non-null streams info.
* \param [in] num_streams The number of elements in the streams array.
*/
void mir_window_spec_set_streams(MirWindowSpec* spec,
MirBufferStreamInfo* streams,
unsigned int num_streams);
/**
* Set the MirWindowSpec to display content contained in a render surface
*
* \warning: The initial call to mir_window_spec_add_render_surface will set
* the bottom-most content, and subsequent calls will stack the
* content on top.
*
* \param spec The window_spec to be updated
* \param render_surface The render surface containing the content to be displayed
* \param logical_width The width that the content will be displayed at
* (Ignored for buffer streams)
* \param logical_height The height that the content will be displayed at
* (Ignored for buffer streams)
* \param displacement_x The x displacement from the top-left corner of the MirWindow
* \param displacement_y The y displacement from the top-left corner of the MirWindow
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
void mir_window_spec_add_render_surface(MirWindowSpec* spec,
MirRenderSurface* render_surface,
int logical_width, int logical_height,
int displacement_x, int displacement_y)
MIR_FOR_REMOVAL_IN_VERSION_1("This function is slated for rename due to MirRenderSurface-->MirSurface transition");
#pragma GCC diagnostic pop
/**
* Release the resources held by a MirWindowSpec.
*
* \param [in] spec Specification to release
*/
void mir_window_spec_release(MirWindowSpec* spec);
/**
* Request changes to the specification of a window. The server will decide
* whether and how the request can be honoured.
*
* \param [in] window The window to mutate
* \param [in] spec Spec with the requested changes applied
*/
void mir_window_apply_spec(MirWindow* window, MirWindowSpec* spec);
/**
* Create a window from a given specification
*
*
* \param [in] requested_specification Specification of the attributes for the created window
* \param [in] callback Callback function to be invoked when creation is complete
* \param [in, out] context User data passed to callback function.
* This callback is guaranteed to be called, and called with a
* non-null MirWindow*, but the window may be invalid in
* case of an error.
*/
void mir_create_window(MirWindowSpec* requested_specification,
MirWindowCallback callback, void* context);
/**
* Create a window from a given specification and wait for the result.
* \param [in] requested_specification Specification of the attributes for the created window
* \return The new window. This is guaranteed non-null, but may be invalid
* in the case of error.
*/
MirWindow* mir_create_window_sync(MirWindowSpec* requested_specification);
/**
* Release the supplied window and any associated buffer.
*
* \warning callback could be called from another thread. You must do any
* locking appropriate to protect your data accessed in the
* callback.
* \param [in] window The window
* \param [in] callback Callback function to be invoked when the request
* completes
* \param [in,out] context User data passed to the callback function
*/
void mir_window_release(
MirWindow* window,
MirWindowCallback callback,
void *context);
/**
* Release the specified window like in mir_window_release(), but also wait
* for the operation to complete.
* \param [in] window The window to be released
*/
void mir_window_release_sync(MirWindow* window);
/**
* Test for a valid window
* \param [in] window The window
* \return True if the supplied window is valid, or
* false otherwise.
*/
bool mir_window_is_valid(MirWindow* window);
/**
* Set the event handler to be called when events arrive for a window.
* \warning event_handler could be called from another thread. You must do
* any locking appropriate to protect your data accessed in the
* callback. There is also a chance that different events will be
* called back in different threads, for the same window,
* simultaneously.
* \param [in] window The window
* \param [in] callback The callback function
* \param [in] context Additional argument to be passed to callback
*/
void mir_window_set_event_handler(MirWindow* window,
MirWindowEventCallback callback,
void* context);
/**
* Retrieve the primary MirBufferStream associated with a window (to advance buffers,
* obtain EGLNativeWindow, etc...)
*
* \deprecated Users should use mir_window_spec_set_streams() to arrange
* the content of a window, instead of relying on a stream
* being created by default.
* \warning If the window was created with, or modified to have a
* MirWindowSpec containing streams added through
* mir_window_spec_set_streams(), the default stream will
* be removed, and this function will return NULL.
* \param[in] window The window
*/
MirBufferStream* mir_window_get_buffer_stream(MirWindow* window);
/**
* Retrieve a text description of the error. The returned string is owned by
* the library and remains valid until the window or the associated
* connection has been released.
* \param [in] window The window
* \return A text description of any error resulting in an
* invalid window, or the empty string "" if the
* connection is valid.
*/
char const* mir_window_get_error_message(MirWindow* window);
/**
* Get a window's parameters.
* \pre The window is valid
* \param [in] window The window
* \param [out] parameters Structure to be populated
*/
void mir_window_get_parameters(MirWindow* window, MirWindowParameters* parameters);
/**
* Get the orientation of a window.
* \param [in] window The window to query
* \return The orientation of the window
*/
MirOrientation mir_window_get_orientation(MirWindow* window);
/**
* Attempts to raise the window to the front.
*
* \param [in] window The window to raise
* \param [in] cookie A cookie instance obtained from an input event.
* An invalid cookie will terminate the client connection.
*/
void mir_window_raise(MirWindow* window, MirCookie const* cookie);
/**
* Get the type (purpose) of a window.
* \param [in] window The window to query
* \return The type of the window
*/
MirWindowType mir_window_get_type(MirWindow* window);
/**
* Change the state of a window.
* \param [in] window The window to operate on
* \param [in] state The new state of the window
*/
void mir_window_set_state(MirWindow* window,
MirWindowState state);
/**
* Get the current state of a window.
* \param [in] window The window to query
* \return The state of the window
*/
MirWindowState mir_window_get_state(MirWindow* window);
/**
* Query the focus state for a window.
* \param [in] window The window to operate on
* \return The focus state of said window
*/
MirWindowFocusState mir_window_get_focus_state(MirWindow* window);
/**
* Query the visibility state for a window.
* \param [in] window The window to operate on
* \return The visibility state of said window
*/
MirWindowVisibility mir_window_get_visibility(MirWindow* window);
/**
* Query the DPI value of the window (dots per inch). This will vary depending
* on the physical display configuration and where the window is within it.
* \return The DPI of the window, or zero if unknown.
*/
int mir_window_get_dpi(MirWindow* window);
/**
* Choose the cursor state for a window: whether a cursor is shown,
* and which cursor if so.
* \param [in] window The window to operate on
* \param [in] parameters The configuration parameters obtained
* from mir_cursor* family of functions.
*
*/
void mir_window_configure_cursor(MirWindow* window, MirCursorConfiguration const* parameters);
/**
* Request to set the preferred orientations of a window.
* The request may be rejected by the server; to check wait on the
* result and check the applied value using mir_window_get_preferred_orientation
* \param [in] window The window to operate on
* \param [in] orientation The preferred orientation modes
*/
void mir_window_set_preferred_orientation(MirWindow* window, MirOrientationMode orientation);
/**
* Get the preferred orientation modes of a window.
* \param [in] window The window to query
* \return The preferred orientation modes
*/
MirOrientationMode mir_window_get_preferred_orientation(MirWindow* window);
/**
* \brief Request an ID for the window that can be shared cross-process and
* across restarts.
*
* This call acquires a MirWindowId for this MirWindow. This MirWindowId
* can be serialized to a string, stored or sent to another process, and then
* later deserialized to refer to the same window.
*
* \param [in] window The window to acquire a persistent reference to.
* \param [in] callback Callback to invoke when the request completes.
* \param [in,out] context User data passed to completion callback.
*/
void mir_window_request_persistent_id(MirWindow* window, MirWindowIdCallback callback, void* context)
MIR_FOR_REMOVAL_IN_VERSION_1("Use mir_window_request_window_id() instead");
void mir_window_request_window_id(MirWindow* window, MirWindowIdCallback callback, void* context);
/**
* \brief Request a persistent ID for a window and wait for the result
* \param [in] window The window to acquire a persistent ID for.
* \return A MirWindowId. This MirWindowId is owned by the calling code, and must
* be freed with a call to mir_persistent_id_release()
*/
MirPersistentId* mir_window_request_persistent_id_sync(MirWindow* window)
MIR_FOR_REMOVAL_IN_VERSION_1("Use mir_window_request_window_id_sync");
MirWindowId* mir_window_request_window_id_sync(MirWindow* window);
#ifdef __cplusplus
}
/**@}*/
#endif
#endif /* MIR_TOOLKIT_MIR_WINDOW_H_ */
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