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| | FixedLayout (FixedLayout &&src) noexcept |
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| FixedLayout & | operator= (FixedLayout &&src) noexcept |
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| | ~FixedLayout () noexcept override |
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| GtkFixedLayout * | gobj () |
| | Provides access to the underlying C GObject.
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| const GtkFixedLayout * | gobj () const |
| | Provides access to the underlying C GObject.
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| GtkFixedLayout * | gobj_copy () |
| | Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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| | LayoutManager (LayoutManager &&src) noexcept |
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| LayoutManager & | operator= (LayoutManager &&src) noexcept |
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| | ~LayoutManager () noexcept override |
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| GtkLayoutManager * | gobj () |
| | Provides access to the underlying C GObject.
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| |
| const GtkLayoutManager * | gobj () const |
| | Provides access to the underlying C GObject.
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| GtkLayoutManager * | gobj_copy () |
| | Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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| |
| void | measure (Widget &widget, Orientation orientation, int for_size, int & minimum, int & natural, int &minimum_baseline, int &natural_baseline) const |
| | Measures the size of the widget using manager, for the given orientation and size.
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| void | allocate (Widget &widget, int width, int height, int baseline) |
| | Assigns the given width, height, and baseline to a widget, and computes the position and sizes of the children of the widget using the layout management policy of manager.
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| SizeRequestMode | get_request_mode () const |
| | Retrieves the request mode of manager.
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| Widget * | get_widget () |
| | Retrieves the Gtk::Widget using the given Gtk::LayoutManager.
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| const Widget * | get_widget () const |
| | Retrieves the Gtk::Widget using the given Gtk::LayoutManager.
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| void | layout_changed () |
| | Queues a resize on the Gtk::Widget using manager, if any.
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| Glib::RefPtr< LayoutChild > | get_layout_child (Widget &child) |
| | Retrieves a Gtk::LayoutChild instance for the Gtk::LayoutManager, creating one if necessary.
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| Glib::RefPtr< const LayoutChild > | get_layout_child (Widget &child) const |
| | Retrieves a Gtk::LayoutChild instance for the Gtk::LayoutManager, creating one if necessary.
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| |
| | Object (const Object &)=delete |
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| Object & | operator= (const Object &)=delete |
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| | Object (Object &&src) noexcept |
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| Object & | operator= (Object &&src) noexcept |
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| void * | get_data (const QueryQuark &key) |
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| void | set_data (const Quark &key, void *data) |
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| void | set_data_with_c_callback (const Quark &key, void *data, GDestroyNotify notify) |
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| void | set_data (const Quark &key, void *data, DestroyNotify notify) |
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| void | remove_data (const QueryQuark &quark) |
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| void * | steal_data (const QueryQuark &quark) |
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| Glib::RefPtr< Glib::Object > | wrap (GObject *object, bool take_copy=false) |
| |
| | ObjectBase (const ObjectBase &)=delete |
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| ObjectBase & | operator= (const ObjectBase &)=delete |
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| void | set_property_value (const Glib::ustring &property_name, const Glib::ValueBase &value) |
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| void | get_property_value (const Glib::ustring &property_name, Glib::ValueBase &value) const |
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| void | set_property (const Glib::ustring &property_name, const PropertyType &value) |
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| void | get_property (const Glib::ustring &property_name, PropertyType &value) const |
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| PropertyType | get_property (const Glib::ustring &property_name) const |
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| sigc::connection | connect_property_changed (const Glib::ustring &property_name, const sigc::slot< void()> &slot) |
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| sigc::connection | connect_property_changed (const Glib::ustring &property_name, sigc::slot< void()> &&slot) |
| |
| void | freeze_notify () |
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| void | thaw_notify () |
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| virtual void | reference () const |
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| virtual void | unreference () const |
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| GObject * | gobj () |
| |
| const GObject * | gobj () const |
| |
| GObject * | gobj_copy () const |
| |
| | trackable () noexcept |
| |
| | trackable (const trackable &src) noexcept |
| |
| | trackable (trackable &&src) noexcept |
| |
| | ~trackable () |
| |
| void | add_destroy_notify_callback (notifiable *data, func_destroy_notify func) const |
| |
| void | notify_callbacks () |
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| trackable & | operator= (const trackable &src) |
| |
| trackable & | operator= (trackable &&src) noexcept |
| |
| void | remove_destroy_notify_callback (notifiable *data) const |
| |
A layout manager that places child widgets at fixed positions.
Most applications should never use this layout manager; fixed positioning and sizing requires constant recalculations on where children need to be positioned and sized. Other layout managers perform this kind of work internally so that application developers don't need to do it. Specifically, widgets positioned in a fixed layout manager will need to take into account:
- Themes, which may change widget sizes.
- Fonts other than the one you used to write the app will of course change the size of widgets containing text; keep in mind that users may use a larger font because of difficulty reading the default, or they may be using a different OS that provides different fonts.
- Translation of text into other languages changes its size. Also, display of non-English text will use a different font in many cases.
In addition, Gtk::FixedLayout does not pay attention to text direction and thus may produce unwanted results if your app is run under right-to-left languages such as Hebrew or Arabic. That is: normally GTK will order containers appropriately depending on the text direction, e.g. to put labels to the right of the thing they label when using an RTL language; Gtk::FixedLayout won't be able to do that for you.
Finally, fixed positioning makes it kind of annoying to add/remove UI elements, since you have to reposition all the other elements. This is a long-term maintenance problem for your application.
- Since gtkmm 4.20:
Static Public Member Functions inherited from Gtk::LayoutManager