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Functions
GtkSizeRequestMode | (*GtkCustomRequestModeFunc) () |
void | (*GtkCustomMeasureFunc) () |
void | (*GtkCustomAllocateFunc) () |
GtkLayoutManager * | gtk_custom_layout_new () |
Description
GtkCustomLayout is a convenience type meant to be used as a transition mechanism between GtkWidgets implementing a layout policy, and GtkLayoutManager classes.
A GtkCustomLayout uses closures matching to the old GtkWidget virtual functions for size negotiation, as a convenience API to ease the porting towards the corresponding GtkLayoutManager virtual functions.
Functions
GtkCustomRequestModeFunc ()
GtkSizeRequestMode
(*GtkCustomRequestModeFunc) (GtkWidget *widget
);
Queries a widget for its preferred size request mode.
GtkCustomMeasureFunc ()
void (*GtkCustomMeasureFunc) (GtkWidget *widget
,GtkOrientation orientation
,int for_size
,int *minimum
,int *natural
,int *minimum_baseline
,int *natural_baseline
);
A function to be used by GtkCustomLayout to measure a widget.
Parameters
widget |
the widget to be measured |
|
orientation |
the direction to be measured |
|
for_size |
the size to be measured for |
|
minimum |
the measured minimum size of the widget. |
[out] |
natural |
the measured natural size of the widget. |
[out] |
minimum_baseline |
the measured minimum baseline of the widget. |
[out] |
natural_baseline |
the measured natural baseline of the widget. |
[out] |
GtkCustomAllocateFunc ()
void (*GtkCustomAllocateFunc) (GtkWidget *widget
,int width
,int height
,int baseline
);
A function to be used by GtkCustomLayout to allocate a widget.
gtk_custom_layout_new ()
GtkLayoutManager * gtk_custom_layout_new (GtkCustomRequestModeFunc request_mode
,GtkCustomMeasureFunc measure
,GtkCustomAllocateFunc allocate
);
Creates a new legacy layout manager.
Legacy layout managers map to the old GtkWidget size negotiation virtual functions, and are meant to be used during the transition from layout containers to layout manager delegates.
Parameters
request_mode |
a function to retrieve
the GtkSizeRequestMode of the widget using the layout; the
default request mode is |
[nullable][scope call] |
measure |
a function to measure the widget using the layout manager. |
[not nullable][scope call] |
allocate |
a function to allocate the children of the widget using the layout manager. |
[not nullable][scope call] |