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listbase: Port rubberband to gtk_selection_model_set_selection()

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This commit is contained in:
Benjamin Otte 2020-06-14 06:50:22 +02:00
parent fa0295629b
commit a38c423ddb
1 changed files with 28 additions and 27 deletions
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49
gtk/gtklistbase.c
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@ -22,6 +22,7 @@
#include "gtklistbaseprivate.h"
#include "gtkadjustment.h"
#include "gtkbitset.h"
#include "gtkdropcontrollermotion.h"
#include "gtkgesturedrag.h"
#include "gtkgizmoprivate.h"
@ -30,7 +31,6 @@
#include "gtkmultiselection.h"
#include "gtkorientable.h"
#include "gtkscrollable.h"
#include "gtkset.h"
#include "gtksingleselection.h"
#include "gtksnapshot.h"
#include "gtkstylecontextprivate.h"
@ -42,7 +42,7 @@ typedef struct _RubberbandData RubberbandData;
struct _RubberbandData
{
GtkWidget *widget;
GtkSet *active;
GtkBitset *active;
double x1, y1;
double x2, y2;
gboolean modify;
@ -55,7 +55,7 @@ rubberband_data_free (gpointer data)
RubberbandData *rdata = data;
g_clear_pointer (&rdata->widget, gtk_widget_unparent);
g_clear_pointer (&rdata->active, gtk_set_free);
g_clear_pointer (&rdata->active, gtk_bitset_unref);
g_free (rdata);
}
@ -1399,19 +1399,7 @@ gtk_list_base_start_rubberband (GtkListBase *self,
priv->rubberband->widget = gtk_gizmo_new ("rubberband",
NULL, NULL, NULL, NULL, NULL, NULL);
gtk_widget_set_parent (priv->rubberband->widget, GTK_WIDGET (self));
priv->rubberband->active = gtk_set_new ();
}
static void
range_cb (guint position,
guint *start,
guint *n_items,
gboolean *selected,
gpointer data)
{
GtkSet *set = data;
gtk_set_find_range (set, position, gtk_set_get_max (set) + 1, start, n_items, selected);
priv->rubberband->active = gtk_bitset_new_empty ();
}
static void
@ -1433,16 +1421,29 @@ gtk_list_base_stop_rubberband (GtkListBase *self)
}
model = gtk_list_item_manager_get_model (priv->item_manager);
if (priv->rubberband->modify)
if (model != NULL)
{
gtk_selection_model_unselect_callback (model, range_cb, priv->rubberband->active);
GtkBitset *selected, *mask;
if (priv->rubberband->extend)
{
mask = gtk_bitset_ref (priv->rubberband->active);
}
else
{
gtk_selection_model_select_callback (model,
!priv->rubberband->extend,
range_cb, priv->rubberband->active);
mask = gtk_bitset_new_empty ();
gtk_bitset_add_range (mask, 0, g_list_model_get_n_items (G_LIST_MODEL (model)));
}
if (priv->rubberband->modify)
selected = gtk_bitset_new_empty ();
else
selected = gtk_bitset_ref (priv->rubberband->active);
gtk_selection_model_set_selection (model, selected, mask);
gtk_bitset_unref (selected);
gtk_bitset_unref (mask);
}
g_clear_pointer (&priv->rubberband, rubberband_data_free);
@ -1497,12 +1498,12 @@ gtk_list_base_update_rubberband_selection (GtkListBase *self)
if (gdk_rectangle_intersect (&rect, &alloc, &alloc))
{
gtk_set_add_item (priv->rubberband->active, pos);
gtk_bitset_add (priv->rubberband->active, pos);
gtk_widget_set_state_flags (item->widget, GTK_STATE_FLAG_ACTIVE, FALSE);
}
else
{
gtk_set_remove_item (priv->rubberband->active, pos);
gtk_bitset_remove (priv->rubberband->active, pos);
gtk_widget_unset_state_flags (item->widget, GTK_STATE_FLAG_ACTIVE);
}
}