Gdk

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Description:

Content:

Namespaces:

• Key

Interfaces:

• DevicePad - An interface for tablet pad devices.
• DragSurface - A surface that is used during DND.
• Paintable - An interface for content that can be painted.
• Popup - A surface that is attached to another surface.
• Toplevel - A freestanding toplevel surface.

Classes:

• AppLaunchContext - Handles launching an application in a graphical context.
• ButtonEvent - An event related to a button on a pointer device.
• CairoContext - Represents the platform-specific draw context.
• CicpParams - Contains the parameters that define a colorstate with cicp parameters.
• Clipboard - Represents data shared between applications or inside an application.
• ColorState - Provides information to interpret colors and pixels in a variety of ways.
• ContentDeserializer - Deserializes content received via inter-application data transfers.
• ContentFormats - Used to advertise and negotiate the format of content.
• ContentFormatsBuilder - Creates `GdkContentFormats` objects.
• ContentProvider - Provides content for the clipboard or for drag-and-drop operations in a number of formats.
• ContentSerializer - Serializes content for inter-application data transfers.
• CrossingEvent - An event caused by a pointing device moving between surfaces.
• Cursor - Used to create and destroy cursors.
• DNDEvent - An event related to drag and drop operations.
• DeleteEvent - An event related to closing a top-level surface.
• Device - Represents an input device, such as a keyboard, mouse or touchpad.
• DeviceTool - A physical tool associated to a `GdkDevice`.
• Display - A representation of a workstation.
• DisplayManager - Offers notification when displays appear or disappear.
• DmabufFormats - Provides information about supported DMA buffer formats.
• DmabufTexture - A `GdkTexture` representing a DMA buffer.
• DmabufTextureBuilder - Constructs [class@Gdk.
• Drag - Represents the source of an ongoing DND operation.
• DragSurfaceSize - Contains information that is useful to compute the size of a drag surface.
• DrawContext - Base class for objects implementing different rendering methods.
• Drop - Represents the target of an ongoing DND operation.
• Event - Represents windowing system events.
• EventSequence - An opaque type representing a sequence of related events.
• FileList - An opaque type representing a list of files.
• FocusEvent - An event related to a keyboard focus change.
• FrameClock - Tells the application when to update and repaint a surface.
• FrameTimings - Holds timing information for a single frame of the application’s displays.
• GLContext - Represents a platform-specific OpenGL draw context.
• GLTexture - A `GdkTexture` representing a GL texture object.
• GLTextureBuilder - Constructs [class@Gdk.
• GrabBrokenEvent - An event related to a broken windowing system grab.
• KeyEvent - An event related to a key-based device.
• MemoryTexture - A `GdkTexture` representing image data in memory.
• MemoryTextureBuilder - Constructs [class@Gdk.
• Monitor - Represents the individual outputs that are associated with a `GdkDisplay`.
• MotionEvent - An event related to a pointer or touch device motion.
• PadEvent - An event related to a pad-based device.
• PopupLayout - Contains information that is necessary position a [iface@Gdk.
• ProximityEvent - An event related to the proximity of a tool to a device.
• ScrollEvent - An event related to a scrolling motion.
• Seat - Represents a collection of input devices that belong to a user.
• Snapshot - Base type for snapshot operations.
• Surface - Represents a rectangular region on the screen.
• Texture - Refers to pixel data in various forms.
• TextureDownloader - Used to download the contents of a [class@Gdk.
• ToplevelLayout - Contains information that is necessary to present a sovereign window on screen.
• ToplevelSize - Contains information that is useful to compute the size of a toplevel.
• TouchEvent - An event related to a touch-based device.
• TouchpadEvent - An event related to a gesture on a touchpad device.
• VulkanContext - Represents the platform-specific Vulkan draw context.

Structs:

• KeymapKey - Represents a hardware key that can be mapped to a keyval.
• RGBA - Represents a color, in a way that is compatible with cairo’s notion of color.
• Rectangle - Represents a rectangle.
• TimeCoord - Stores a single event in a motion history.

Enums:

• AnchorHints - Positioning hints for aligning a surface relative to a rectangle.
• AxisFlags - Flags describing the current capabilities of a device/tool.
• AxisUse - Defines how device axes are interpreted by GTK.
• CicpRange - The values of this enumeration describe whether image data uses the full range of 8-bit values.
• CrossingMode - Specifies the crossing mode for enter and leave events.
• DevicePadFeature - A pad feature.
• DeviceToolType - Indicates the specific type of tool being used being a tablet.
• DragAction - Used in `GdkDrop` and `GdkDrag` to indicate the actions that the destination can and should do with the dropped data.
• DragCancelReason - Used in `GdkDrag` to the reason of a cancelled DND operation.
• EventType - Specifies the type of the event.
• FrameClockPhase - Used to represent the different paint clock phases that can be requested.
• FullscreenMode - Indicates which monitor a surface should span over when in fullscreen mode.
• GLAPI - The list of the different APIs that GdkGLContext can potentially support.
• Gravity - Defines the reference point of a surface and is used in `GdkPopupLayout`.
• InputSource - An enumeration describing the type of an input device in general terms.
• KeyMatch - Describes how well an event matches a given keyval and modifiers.
• MemoryFormat - Describes formats that image data can have in memory.
• ModifierType - Flags to indicate the state of modifier keys and mouse buttons in events.
• NotifyType - Specifies the kind of crossing for enter and leave events.
• PaintableFlags - Flags about a paintable object.
• ScrollDirection - Specifies the direction for scroll events.
• ScrollUnit - Specifies the unit of scroll deltas.
• SeatCapabilities - Flags describing the seat capabilities.
• SubpixelLayout - This enumeration describes how the red, green and blue components of physical pixels on an output device are laid out.
• SurfaceEdge - Determines a surface edge or corner.
• TitlebarGesture - The kind of title bar gesture to emit with [method@Gdk.
• ToplevelCapabilities - Reflects what features a `GdkToplevel` supports.
• ToplevelState - Specifies the state of a toplevel surface.
• TouchpadGesturePhase - Specifies the current state of a touchpad gesture.

Error domains:

• DmabufError - Error enumeration for `GdkDmabufTexture`.
• GLError - Error enumeration for `GdkGLContext`.
• TextureError - Possible errors that can be returned by `GdkTexture` constructors.
• VulkanError - Error enumeration for `GdkVulkanContext`.

Constants:

• public const int ACTION_ALL
  Defines all possible DND actions.
• public const int BUTTON_MIDDLE
  The middle button.
• public const int BUTTON_PRIMARY
  The primary button.
• public const int BUTTON_SECONDARY
  The secondary button.
• public const int CURRENT_TIME
  Represents the current time, and can be used anywhere a time is expected.
• public const bool EVENT_PROPAGATE
  Use this macro as the return value for continuing the propagation of an event handler.
• public const bool EVENT_STOP
  Use this macro as the return value for stopping the propagation of an event handler.
• public const int MODIFIER_MASK
  A mask covering all entries in `GdkModifierType`.
• public const int PRIORITY_REDRAW
  This is the priority that the idle handler processing surface updates is given in the main loop.

Delegates:

• public delegate void ContentDeserializeFunc (ContentDeserializer deserializer)
  The type of a function that can be registered with content_register_deserializer.
• public delegate void ContentSerializeFunc (ContentSerializer serializer)
  The type of a function that can be registered with content_register_serializer.
• public delegate Texture? CursorGetTextureCallback (Cursor cursor, int cursor_size, double scale, out int width, out int height, out int hotspot_x, out int hotspot_y, void* data)
  The type of callback used by a dynamic `GdkCursor` to generate a texture for the cursor image at the given cursor_size and scale.

Functions:

• public void cairo_draw_from_gl (Context cr, Surface surface, int source, int source_type, int buffer_scale, int x, int y, int width, int height)
  Draws GL content onto a cairo context.
• public void cairo_rectangle (Context cr, Rectangle rectangle)
  Adds the given rectangle to the current path of cr.
• public void cairo_region (Context cr, Region region)
  Adds the given region to the current path of cr.
• public Region cairo_region_create_from_surface (Surface surface)
  Creates region that covers the area where the given surface is more than 50% opaque.
• public void cairo_set_source_pixbuf (Context cr, Pixbuf pixbuf, double pixbuf_x, double pixbuf_y)
  Sets the given pixbuf as the source pattern for cr.
• public void cairo_set_source_rgba (Context cr, RGBA rgba)
  Sets the specified `GdkRGBA` as the source color of cr.
• public ColorState color_state_get_oklab ()
  Returns the color state object representing the oklab color space.
• public ColorState color_state_get_oklch ()
  Returns the color state object representing the oklch color space.
• public ColorState color_state_get_rec2100_linear ()
  Returns the color state object representing the linear rec2100 color space.
• public ColorState color_state_get_rec2100_pq ()
  Returns the color state object representing the rec2100-pq color space.
• public ColorState color_state_get_srgb ()
  Returns the color state object representing the sRGB color space.
• public ColorState color_state_get_srgb_linear ()
  Returns the color state object representing the linearized sRGB color space.
• public async bool content_deserialize_async (InputStream stream, string mime_type, Type type, int io_priority, Cancellable? cancellable, out Value value) throws Error
  Reads content from the given input stream and deserialize it, asynchronously.
• public ContentFormats? content_formats_parse (string string)
  Parses the given string into `GdkContentFormats` and returns the formats.
• public void content_register_deserializer (string mime_type, Type type, ContentDeserializeFunc deserialize, void* data, DestroyNotify notify)
  Registers a function to deserialize object of a given type.
• public void content_register_serializer (Type type, string mime_type, ContentSerializeFunc serialize, void* data, DestroyNotify notify)
  Registers a function to serialize objects of a given type.
• public async bool content_serialize_async (OutputStream stream, string mime_type, Value value, int io_priority, Cancellable? cancellable) throws Error
  Serialize content and write it to the given output stream, asynchronously.
• public Quark dmabuf_error_quark ()
• public bool drag_action_is_unique (DragAction action)
• public Quark gl_error_quark ()
• public unowned string? intern_mime_type (string string)
  Canonicalizes the given mime type and interns the result.
• public void keyval_convert_case (uint symbol, out uint lower, out uint upper)
  Obtains the upper- and lower-case versions of the keyval symbol .
• public uint keyval_from_name (string keyval_name)
  Converts a key name to a key value.
• public bool keyval_is_lower (uint keyval)
  Returns true if the given key value is in lower case.
• public bool keyval_is_upper (uint keyval)
  Returns true if the given key value is in upper case.
• public unowned string? keyval_name (uint keyval)
  Converts a key value into a symbolic name.
• public uint keyval_to_lower (uint keyval)
  Converts a key value to lower case, if applicable.
• public uint32 keyval_to_unicode (uint keyval)
  Converts from a GDK key symbol to the corresponding Unicode character.
• public uint keyval_to_upper (uint keyval)
  Converts a key value to upper case, if applicable.
• public Region pango_layout_get_clip_region (Layout layout, int x_origin, int y_origin, int[] index_ranges)
  Obtains a clip region which contains the areas where the given ranges of text would be drawn.
• public Pixbuf? pixbuf_get_from_surface (Surface surface, int src_x, int src_y, int width, int height)
  Transfers image data from a `cairo_surface_t` and converts it to a `GdkPixbuf`.
• public Pixbuf? pixbuf_get_from_texture (Texture texture)
  Creates a new pixbuf from texture.
• public void set_allowed_backends (string backends)
  Sets a list of backends that GDK should try to use.
• public Quark texture_error_quark ()
• public uint unicode_to_keyval (uint32 wc)
  Converts from a Unicode character to a key symbol.
• public Quark vulkan_error_quark ()