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Implement GtkSelectionModel for GtkNotebookPages

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The documentation says that the model returned by
gtk_notebook_get_pages() implements the GtkSelectionModel interface, but
checking the history confirms this is a lie.

Instead of fixing the documentation, we can easily make it true, and
reduce the differences between GtkNotebook and GtkStack.

Fixes: #5837
This commit is contained in:
Emmanuele Bassi 2023-05-16 18:51:07 +01:00 committed by Matthias Clasen
parent b2a3a5e226
commit 0bbe68db0b
1 changed files with 49 additions and 5 deletions
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46
gtk/gtknotebook.c
View File

@ -46,6 +46,7 @@
#include "gtkorientable.h"
#include "gtksizerequest.h"
#include "gtkprivate.h"
#include "gtkselectionmodel.h"
#include "gtkstack.h"
#include "gtktypebuiltins.h"
#include "gtkwidgetprivate.h"
@ -7197,8 +7198,51 @@ gtk_notebook_pages_list_model_init (GListModelInterface *iface)
iface->get_n_items = gtk_notebook_pages_get_n_items;
iface->get_item = gtk_notebook_pages_get_item;
}
static gboolean
gtk_notebook_pages_is_selected (GtkSelectionModel *model,
guint position)
{
GtkNotebookPages *pages = GTK_NOTEBOOK_PAGES (model);
GtkNotebookPage *page;
page = g_list_nth_data (pages->notebook->children, position);
if (page == NULL)
return FALSE;
return page == pages->notebook->cur_page;
}
static gboolean
gtk_notebook_pages_select_item (GtkSelectionModel *model,
guint position,
gboolean exclusive)
{
GtkNotebookPages *pages = GTK_NOTEBOOK_PAGES (model);
GtkNotebookPage *page;
page = g_list_nth_data (pages->notebook->children, position);
if (page == NULL)
return FALSE;
if (page == pages->notebook->cur_page)
return FALSE;
gtk_notebook_switch_page (pages->notebook, page);
return TRUE;
}
static void
gtk_notebook_pages_selection_model_init (GtkSelectionModelInterface *iface)
{
iface->is_selected = gtk_notebook_pages_is_selected;
iface->select_item = gtk_notebook_pages_select_item;
}
G_DEFINE_TYPE_WITH_CODE (GtkNotebookPages, gtk_notebook_pages, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_notebook_pages_list_model_init))
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_notebook_pages_list_model_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SELECTION_MODEL, gtk_notebook_pages_selection_model_init))
static void
gtk_notebook_pages_init (GtkNotebookPages *pages)