GTK+ Reference Manual | ||||
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Top | Description | Object Hierarchy | Implemented Interfaces | Child Properties | Style Properties | Signals |
#include <gtk/gtk.h> GtkAssistant; GtkWidget * gtk_assistant_new (void
); gint gtk_assistant_get_current_page (GtkAssistant *assistant
); void gtk_assistant_set_current_page (GtkAssistant *assistant
,gint page_num
); gint gtk_assistant_get_n_pages (GtkAssistant *assistant
); GtkWidget * gtk_assistant_get_nth_page (GtkAssistant *assistant
,gint page_num
); gint gtk_assistant_prepend_page (GtkAssistant *assistant
,GtkWidget *page
); gint gtk_assistant_append_page (GtkAssistant *assistant
,GtkWidget *page
); gint gtk_assistant_insert_page (GtkAssistant *assistant
,GtkWidget *page
,gint position
); gint (*GtkAssistantPageFunc) (gint current_page
,gpointer data
); void gtk_assistant_set_forward_page_func (GtkAssistant *assistant
,GtkAssistantPageFunc page_func
,gpointer data
,GDestroyNotify destroy
); enum GtkAssistantPageType; void gtk_assistant_set_page_type (GtkAssistant *assistant
,GtkWidget *page
,GtkAssistantPageType type
); GtkAssistantPageType gtk_assistant_get_page_type (GtkAssistant *assistant
,GtkWidget *page
); void gtk_assistant_set_page_title (GtkAssistant *assistant
,GtkWidget *page
,const gchar *title
); const gchar * gtk_assistant_get_page_title (GtkAssistant *assistant
,GtkWidget *page
); void gtk_assistant_set_page_header_image (GtkAssistant *assistant
,GtkWidget *page
,GdkPixbuf *pixbuf
); GdkPixbuf * gtk_assistant_get_page_header_image (GtkAssistant *assistant
,GtkWidget *page
); void gtk_assistant_set_page_side_image (GtkAssistant *assistant
,GtkWidget *page
,GdkPixbuf *pixbuf
); GdkPixbuf * gtk_assistant_get_page_side_image (GtkAssistant *assistant
,GtkWidget *page
); void gtk_assistant_set_page_complete (GtkAssistant *assistant
,GtkWidget *page
,gboolean complete
); gboolean gtk_assistant_get_page_complete (GtkAssistant *assistant
,GtkWidget *page
); void gtk_assistant_add_action_widget (GtkAssistant *assistant
,GtkWidget *child
); void gtk_assistant_remove_action_widget (GtkAssistant *assistant
,GtkWidget *child
); void gtk_assistant_update_buttons_state (GtkAssistant *assistant
);
GObject +----GInitiallyUnowned +----GtkObject +----GtkWidget +----GtkContainer +----GtkBin +----GtkWindow +----GtkAssistant
"complete" gboolean : Read / Write "header-image" GdkPixbuf* : Read / Write "page-type" GtkAssistantPageType : Read / Write "sidebar-image" GdkPixbuf* : Read / Write "title" gchar* : Read / Write
A GtkAssistant is a widget used to represent a generally complex operation splitted in several steps, guiding the user through its pages and controlling the page flow to collect the necessary data.
The GtkAssistant implementation of the GtkBuildable interface exposes the
action_area
as internal children with the name "action_area".
To add pages to an assistant in GtkBuilder, simply add it as a <child> to the GtkAssistant object, and set its child properties as necessary.
GtkWidget * gtk_assistant_new (void
);
Creates a new GtkAssistant.
Returns : |
a newly created GtkAssistant |
Since 2.10
gint gtk_assistant_get_current_page (GtkAssistant *assistant
);
Returns the page number of the current page
|
a GtkAssistant |
Returns : |
The index (starting from 0) of the current page in
the assistant , if the assistant has no pages, -1 will be returned
|
Since 2.10
void gtk_assistant_set_current_page (GtkAssistant *assistant
,gint page_num
);
Switches the page to page_num
. Note that this will only be necessary
in custom buttons, as the assistant
flow can be set with
gtk_assistant_set_forward_page_func()
.
|
a GtkAssistant |
|
index of the page to switch to, starting from 0.
If negative, the last page will be used. If greater
than the number of pages in the assistant , nothing
will be done.
|
Since 2.10
gint gtk_assistant_get_n_pages (GtkAssistant *assistant
);
Returns the number of pages in the assistant
|
a GtkAssistant |
Returns : |
The number of pages in the assistant .
|
Since 2.10
GtkWidget * gtk_assistant_get_nth_page (GtkAssistant *assistant
,gint page_num
);
Returns the child widget contained in page number page_num
.
|
a GtkAssistant |
|
The index of a page in the assistant , or -1 to get the last page;
|
Returns : |
The child widget, or NULL if page_num is out of bounds.
|
Since 2.10
gint gtk_assistant_prepend_page (GtkAssistant *assistant
,GtkWidget *page
);
Prepends a page to the assistant
.
|
a GtkAssistant |
|
a GtkWidget |
Returns : |
the index (starting at 0) of the inserted page |
Since 2.10
gint gtk_assistant_append_page (GtkAssistant *assistant
,GtkWidget *page
);
Appends a page to the assistant
.
|
a GtkAssistant |
|
a GtkWidget |
Returns : |
the index (starting at 0) of the inserted page |
Since 2.10
gint gtk_assistant_insert_page (GtkAssistant *assistant
,GtkWidget *page
,gint position
);
Inserts a page in the assistant
at a given position.
|
a GtkAssistant |
|
a GtkWidget |
|
the index (starting at 0) at which to insert the page,
or -1 to append the page to the assistant
|
Returns : |
the index (starting from 0) of the inserted page |
Since 2.10
gint (*GtkAssistantPageFunc) (gint current_page
,gpointer data
);
A function used by gtk_assistant_set_forward_page_func()
to know which
is the next page given a current one. It's called both for computing the
next page when the user presses the "forward" button and for handling
the behavior of the "last" button.
|
The page number used to calculate the next page. |
|
user data. |
Returns : |
The next page number. |
void gtk_assistant_set_forward_page_func (GtkAssistant *assistant
,GtkAssistantPageFunc page_func
,gpointer data
,GDestroyNotify destroy
);
Sets the page forwarding function to be page_func
, this function will
be used to determine what will be the next page when the user presses
the forward button. Setting page_func
to NULL
will make the assistant
to use the default forward function, which just goes to the next visible
page.
|
a GtkAssistant |
|
the GtkAssistantPageFunc, or NULL to use the default one. allow-none. |
|
user data for page_func
|
|
destroy notifier for data
|
Since 2.10
typedef enum { GTK_ASSISTANT_PAGE_CONTENT, GTK_ASSISTANT_PAGE_INTRO, GTK_ASSISTANT_PAGE_CONFIRM, GTK_ASSISTANT_PAGE_SUMMARY, GTK_ASSISTANT_PAGE_PROGRESS } GtkAssistantPageType;
An enum for determining the page role inside the GtkAssistant. It's used to handle buttons sensitivity and visibility.
Note that an assistant needs to end its page flow with a page of type GTK_ASSISTANT_PAGE_CONFIRM or GTK_ASSISTANT_PAGE_SUMMARY to be correct.
The page has regular contents. | |
The page contains an introduction to the assistant task. | |
The page lets the user confirm or deny the changes. | |
The page informs the user of the changes done. | |
Used for tasks that take a long time to complete, blocks the assistant until the page is marked as complete. |
void gtk_assistant_set_page_type (GtkAssistant *assistant
,GtkWidget *page
,GtkAssistantPageType type
);
Sets the page type for page
. The page type determines the page
behavior in the assistant
.
|
a GtkAssistant |
|
a page of assistant
|
|
the new type for page
|
Since 2.10
GtkAssistantPageType gtk_assistant_get_page_type (GtkAssistant *assistant
,GtkWidget *page
);
Gets the page type of page
.
|
a GtkAssistant |
|
a page of assistant
|
Returns : |
the page type of page .
|
Since 2.10
void gtk_assistant_set_page_title (GtkAssistant *assistant
,GtkWidget *page
,const gchar *title
);
Sets a title for page
. The title is displayed in the header
area of the assistant when page
is the current page.
|
a GtkAssistant |
|
a page of assistant
|
|
the new title for page
|
Since 2.10
const gchar * gtk_assistant_get_page_title (GtkAssistant *assistant
,GtkWidget *page
);
Gets the title for page
.
|
a GtkAssistant |
|
a page of assistant
|
Returns : |
the title for page .
|
Since 2.10
void gtk_assistant_set_page_header_image (GtkAssistant *assistant
,GtkWidget *page
,GdkPixbuf *pixbuf
);
Sets a header image for page
. This image is displayed in the header
area of the assistant when page
is the current page.
|
a GtkAssistant |
|
a page of assistant
|
|
the new header image page . allow-none. |
Since 2.10
GdkPixbuf * gtk_assistant_get_page_header_image (GtkAssistant *assistant
,GtkWidget *page
);
Gets the header image for page
.
|
a GtkAssistant |
|
a page of assistant
|
Returns : |
the header image for page , or NULL
if there's no header image for the page.
|
Since 2.10
void gtk_assistant_set_page_side_image (GtkAssistant *assistant
,GtkWidget *page
,GdkPixbuf *pixbuf
);
Sets a header image for page
. This image is displayed in the side
area of the assistant when page
is the current page.
|
a GtkAssistant |
|
a page of assistant
|
|
the new header image page . allow-none. |
Since 2.10
GdkPixbuf * gtk_assistant_get_page_side_image (GtkAssistant *assistant
,GtkWidget *page
);
Gets the header image for page
.
|
a GtkAssistant |
|
a page of assistant
|
Returns : |
the side image for page , or NULL
if there's no side image for the page.
|
Since 2.10
void gtk_assistant_set_page_complete (GtkAssistant *assistant
,GtkWidget *page
,gboolean complete
);
Sets whether page
contents are complete. This will make
assistant
update the buttons state to be able to continue the task.
|
a GtkAssistant |
|
a page of assistant
|
|
the completeness status of the page |
Since 2.10
gboolean gtk_assistant_get_page_complete (GtkAssistant *assistant
,GtkWidget *page
);
Gets whether page
is complete.
|
a GtkAssistant |
|
a page of assistant
|
Returns : |
TRUE if page is complete.
|
Since 2.10
void gtk_assistant_add_action_widget (GtkAssistant *assistant
,GtkWidget *child
);
Adds a widget to the action area of a GtkAssistant.
|
a GtkAssistant |
|
a GtkWidget |
Since 2.10
void gtk_assistant_remove_action_widget (GtkAssistant *assistant
,GtkWidget *child
);
Removes a widget from the action area of a GtkAssistant.
|
a GtkAssistant |
|
a GtkWidget |
Since 2.10
void gtk_assistant_update_buttons_state (GtkAssistant *assistant
);
Forces assistant
to recompute the buttons state.
GTK+ automatically takes care of this in most situations, e.g. when the user goes to a different page, or when the visibility or completeness of a page changes.
One situation where it can be necessary to call this function is when changing a value on the current page affects the future page flow of the assistant.
|
a GtkAssistant |
Since 2.10
"complete"
child property"complete" gboolean : Read / Write
Setting the "complete" child property to TRUE
marks a page as complete
(i.e.: all the required fields are filled out). GTK+ uses this information
to control the sensitivity of the navigation buttons.
Default value: FALSE
Since 2.10
"header-image"
child property"header-image" GdkPixbuf* : Read / Write
The image that is displayed next to the page.
Set this to NULL
to make the sidebar disappear.
Since 2.10
"page-type"
child property"page-type" GtkAssistantPageType : Read / Write
The type of the assistant page.
Default value: GTK_ASSISTANT_PAGE_CONTENT
Since 2.10
"sidebar-image"
child property"sidebar-image" GdkPixbuf* : Read / Write
Sidebar image for the assistant page.
"content-padding"
style property"content-padding" gint : Read
Number of pixels around the content pages.
Allowed values: >= 0
Default value: 1
"header-padding"
style property"header-padding" gint : Read
Number of pixels around the header.
Allowed values: >= 0
Default value: 6
"apply"
signalvoid user_function (GtkAssistant *assistant, gpointer user_data) : Run Last
The ::apply signal is emitted when the apply button is clicked. The default behavior of the GtkAssistant is to switch to the page after the current page, unless the current page is the last one.
A handler for the ::apply signal should carry out the actions for which
the wizard has collected data. If the action takes a long time to complete,
you might consider to put a page of type GTK_ASSISTANT_PAGE_PROGRESS
after the confirmation page and handle this operation within the
"prepare" signal of the progress page.
|
the GtkAssistant
|
|
user data set when the signal handler was connected. |
Since 2.10
"cancel"
signalvoid user_function (GtkAssistant *assistant, gpointer user_data) : Run Last
The ::cancel signal is emitted when then the cancel button is clicked.
|
the GtkAssistant |
|
user data set when the signal handler was connected. |
Since 2.10
"close"
signalvoid user_function (GtkAssistant *assistant, gpointer user_data) : Run Last
The ::close signal is emitted either when the close button of
a summary page is clicked, or when the apply button in the last
page in the flow (of type GTK_ASSISTANT_PAGE_CONFIRM
) is clicked.
|
the GtkAssistant |
|
user data set when the signal handler was connected. |
Since 2.10
"prepare"
signalvoid user_function (GtkAssistant *assistant, GtkWidget *page, gpointer user_data) : Run Last
The ::prepare signal is emitted when a new page is set as the assistant's
current page, before making the new page visible. A handler for this signal
can do any preparation which are necessary before showing page
.
|
the GtkAssistant |
|
the current page |
|
user data set when the signal handler was connected. |
Since 2.10