A gtk.Style object encapsulates the information that provides the look and feel for a widget.
> In GTK+ 3.0, GtkStyle has been deprecated and replaced by > gtk.StyleContext
Each gtk.Widget has an associated gtk.Style object that is used when rendering that widget. Also, a gtk.Style holds information for the five possible widget states though not every widget supports all five states; see GtkStateType
Usually the gtk.Style for a widget is the same as the default style that is set by GTK+ and modified the theme engine.
Usually applications should not need to use or modify the gtk.Style of their widgets.
Sets our main struct and passes it to the parent class.
Creates a new gtk.Style
Emitted when the style has been initialized for a particular visual. Connecting to this signal is probably seldom useful since most of the time applications and widgets only deal with styles that have been already realized.
Emitted when the aspects of the style specific to a particular visual is being cleaned up. A connection to this signal can be useful if a widget wants to cache objects as object data on gtk.Style This signal provides a convenient place to free such cached objects.
Attaches a style to a window; this process allocates the colors and creates the GC’s for the style - it specializes it to a particular visual. The process may involve the creation of a new style if the style has already been attached to a window with a different style and visual.
Creates a copy of the passed in gtk.Style object.
Detaches a style from a window. If the style is not attached to any windows anymore, it is unrealized. See Style.attach.
the main Gtk struct as a void*
Queries the value of a style property corresponding to a widget class is in the given style.
Get the main Gtk struct
Non-vararg variant of Style.get. Used primarily by language bindings.
Returns whether style has an associated gtk.StyleContext
Looks up color_name in the style’s logical color mappings, filling in color and returning TRUE if found, otherwise returning FALSE. Do not cache the found mapping, because it depends on the gtk.Style and might change when a theme switch occurs.
Looks up stock_id in the icon factories associated with style and the default icon factory, returning an icon set if found, otherwise NULL.
Renders the icon specified by source at the given size according to the given parameters and returns the result in a pixbuf.
Sets the background of window to the background color or pixmap specified by style for the given state.
Draws an arrow in the given rectangle on cr using the given parameters. arrow_type determines the direction of the arrow.
Draws a box on cr with the given parameters.
Draws a box in cr using the given style and state and shadow type, leaving a gap in one side.
Draws a check button indicator in the given rectangle on cr with the given parameters.
Draws a diamond in the given rectangle on window using the given parameters.
Draws an expander as used in gtk.TreeView x and y specify the center the expander. The size of the expander is determined by the “expander-size” style property of widget. (If widget is not specified or doesn’t have an “expander-size” property, an unspecified default size will be used, since the caller doesn't have sufficient information to position the expander, this is likely not useful.) The expander is expander_size pixels tall in the collapsed position and expander_size pixels wide in the expanded position.
Draws an extension, i.e. a notebook tab.
Draws a flat box on cr with the given parameters.
Draws a focus indicator around the given rectangle on cr using the given style.
Draws a horizontal line from (x1, y) to (x2, y) in cr using the given style and state.
Draws a layout on cr using the given parameters.
Draws a radio button indicator in the given rectangle on cr with the given parameters.
Draws a resize grip in the given rectangle on cr using the given parameters.
Draws a shadow around the given rectangle in cr using the given style and state and shadow type.
Draws a shadow around the given rectangle in cr using the given style and state and shadow type, leaving a gap in one side.
Draws a slider in the given rectangle on cr using the given style and orientation.
Draws a spinner on window using the given parameters.
Draws an option menu tab (i.e. the up and down pointing arrows) in the given rectangle on cr using the given parameters.
Draws a vertical line from (x, y1_) to (x, y2_) in cr using the given style and state.
the main Gtk struct
the main Gtk struct
Get the main Gtk struct
the main Gtk struct as a void*
Gets a D Object from the objects table of associations.
The notify signal is emitted on an object when one of its properties has been changed. Note that getting this signal doesn't guarantee that the value of the property has actually changed, it may also be emitted when the setter for the property is called to reinstate the previous value.
Find the gobject.ParamSpec with the given name for an interface. Generally, the interface vtable passed in as g_iface will be the default vtable from g_type_default_interface_ref(), or, if you know the interface has already been loaded, g_type_default_interface_peek().
Add a property to an interface; this is only useful for interfaces that are added to GObject-derived types. Adding a property to an interface forces all objects classes with that interface to have a compatible property. The compatible property could be a newly created gobject.ParamSpec, but normally ObjectClass.overrideProperty will be used so that the object class only needs to provide an implementation and inherits the property description, default value, bounds, and so forth from the interface property.
Lists the properties of an interface.Generally, the interface vtable passed in as g_iface will be the default vtable from g_type_default_interface_ref(), or, if you know the interface has already been loaded, g_type_default_interface_peek().
Increases the reference count of the object by one and sets a callback to be called when all other references to the object are dropped, or when this is already the last reference to the object and another reference is established.
Adds a weak reference from weak_pointer to object to indicate that the pointer located at weak_pointer_location is only valid during the lifetime of object. When the object is finalized, weak_pointer will be set to NULL.
Creates a binding between source_property on source and target_property on target. Whenever the source_property is changed the target_property is updated using the same value. For instance:
Complete version of g_object_bind_property().
Creates a binding between source_property on source and target_property on target, allowing you to set the transformation functions to be used by the binding.
This is a variant of g_object_get_data() which returns a 'duplicate' of the value. dup_func defines the meaning of 'duplicate' in this context, it could e.g. take a reference on a ref-counted object.
This is a variant of g_object_get_qdata() which returns a 'duplicate' of the value. dup_func defines the meaning of 'duplicate' in this context, it could e.g. take a reference on a ref-counted object.
Increases the freeze count on object. If the freeze count is non-zero, the emission of "notify" signals on object is stopped. The signals are queued until the freeze count is decreased to zero. Duplicate notifications are squashed so that at most one notify signal is emitted for each property modified while the object is frozen.
Gets a named field from the objects table of associations (see g_object_set_data()).
Gets a property of an object.
This function gets back user data pointers stored via g_object_set_qdata().
Gets properties of an object.
Gets n_properties properties for an object. Obtained properties will be set to values. All properties must be valid. Warnings will be emitted and undefined behaviour may result if invalid properties are passed in.
Checks whether object has a floating[floating-ref] reference.
Emits a "notify" signal for the property property_name on object.
Emits a "notify" signal for the property specified by pspec on object.
Increases the reference count of object.
Increase the reference count of object, and possibly remove the floating[floating-ref] reference, if object has a floating reference.
Removes a reference added with g_object_add_toggle_ref(). The reference count of the object is decreased by one.
Removes a weak reference from object that was previously added using g_object_add_weak_pointer(). The weak_pointer_location has to match the one used with g_object_add_weak_pointer().
Compares the user data for the key key on object with oldval, and if they are the same, replaces oldval with newval.
Compares the user data for the key quark on object with oldval, and if they are the same, replaces oldval with newval.
Releases all references to other objects. This can be used to break reference cycles.
Each object carries around a table of associations from strings to pointers. This function lets you set an association.
Like g_object_set_data() except it adds notification for when the association is destroyed, either by setting it to a different value or when the object is destroyed.
Sets a property on an object.
This sets an opaque, named pointer on an object. The name is specified through a GQuark (retrived e.g. via g_quark_from_static_string()), and the pointer can be gotten back from the object with g_object_get_qdata() until the object is finalized. Setting a previously set user data pointer, overrides (frees) the old pointer set, using NULL as pointer essentially removes the data stored.
This function works like g_object_set_qdata(), but in addition, a void (*destroy) (gpointer) function may be specified which is called with data as argument when the object is finalized, or the data is being overwritten by a call to g_object_set_qdata() with the same quark.
Sets properties on an object.
Sets n_properties properties for an object. Properties to be set will be taken from values. All properties must be valid. Warnings will be emitted and undefined behaviour may result if invalid properties are passed in.
Remove a specified datum from the object's data associations, without invoking the association's destroy handler.
This function gets back user data pointers stored via g_object_set_qdata() and removes the data from object without invoking its destroy() function (if any was set). Usually, calling this function is only required to update user data pointers with a destroy notifier, for example:
Reverts the effect of a previous call to g_object_freeze_notify(). The freeze count is decreased on object and when it reaches zero, queued "notify" signals are emitted.
Decreases the reference count of object. When its reference count drops to 0, the object is finalized (i.e. its memory is freed).
This function essentially limits the life time of the closure to the life time of the object. That is, when the object is finalized, the closure is invalidated by calling Closure.invalidate on it, in order to prevent invocations of the closure with a finalized (nonexisting) object. Also, g_object_ref() and g_object_unref() are added as marshal guards to the closure, to ensure that an extra reference count is held on object during invocation of the closure. Usually, this function will be called on closures that use this object as closure data.
Adds a weak reference callback to an object. Weak references are used for notification when an object is finalized. They are called "weak references" because they allow you to safely hold a pointer to an object without calling g_object_ref() (g_object_ref() adds a strong reference, that is, forces the object to stay alive).
Removes a weak reference callback to an object.
Clears a reference to a GObject