[gtk/wip/otte/listview: 109/158] listbase: Move GtkScrollable implementation
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/otte/listview: 109/158] listbase: Move GtkScrollable implementation
- Date: Tue, 4 Feb 2020 22:29:38 +0000 (UTC)
commit 5777e49c2adcf300849eb1f2910f92e979db2804
Author: Benjamin Otte <otte redhat com>
Date: Tue Oct 22 23:46:34 2019 +0200
listbase: Move GtkScrollable implementation
Shared code between GtkGridView and GtkListView.
gtk/gtkgridview.c | 233 +++++++--------------------------------
gtk/gtklistbase.c | 281 ++++++++++++++++++++++++++++++++++++++++++++++-
gtk/gtklistbaseprivate.h | 15 +++
gtk/gtklistview.c | 189 ++++---------------------------
4 files changed, 357 insertions(+), 361 deletions(-)
---
diff --git a/gtk/gtkgridview.c b/gtk/gtkgridview.c
index 5775b9ea1a..f71a62ffbe 100644
--- a/gtk/gtkgridview.c
+++ b/gtk/gtkgridview.c
@@ -21,7 +21,6 @@
#include "gtkgridview.h"
-#include "gtkadjustment.h"
#include "gtkbindings.h"
#include "gtkintl.h"
#include "gtklistbaseprivate.h"
@@ -30,7 +29,6 @@
#include "gtkmain.h"
#include "gtkorientableprivate.h"
#include "gtkprivate.h"
-#include "gtkscrollable.h"
#include "gtksingleselection.h"
#include "gtktypebuiltins.h"
#include "gtkwidgetprivate.h"
@@ -64,8 +62,6 @@ struct _GtkGridView
GListModel *model;
GtkListItemManager *item_manager;
- GtkAdjustment *adjustment[2];
- GtkScrollablePolicy scroll_policy[2];
GtkOrientation orientation;
guint min_columns;
guint max_columns;
@@ -106,14 +102,10 @@ enum
{
PROP_0,
PROP_FACTORY,
- PROP_HADJUSTMENT,
- PROP_HSCROLL_POLICY,
PROP_MAX_COLUMNS,
PROP_MIN_COLUMNS,
PROP_MODEL,
PROP_ORIENTATION,
- PROP_VADJUSTMENT,
- PROP_VSCROLL_POLICY,
N_PROPS
};
@@ -124,8 +116,7 @@ enum {
};
G_DEFINE_TYPE_WITH_CODE (GtkGridView, gtk_grid_view, GTK_TYPE_LIST_BASE,
- G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)
- G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL))
static GParamSpec *properties[N_PROPS] = { NULL, };
static guint signals[LAST_SIGNAL] = { 0 };
@@ -462,35 +453,22 @@ moved_focus:
return TRUE;
}
-static gboolean
-gtk_grid_view_adjustment_is_flipped (GtkGridView *self,
- GtkOrientation orientation)
-{
- if (orientation == GTK_ORIENTATION_VERTICAL)
- return FALSE;
-
- return gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL;
-}
-
static void
-gtk_grid_view_adjustment_value_changed_cb (GtkAdjustment *adjustment,
- GtkGridView *self)
+gtk_grid_view_adjustment_value_changed (GtkListBase *base,
+ GtkOrientation orientation)
{
+ GtkGridView *self = GTK_GRID_VIEW (base);
int page_size, total_size, value, from_start;
guint pos, anchor_pos, n_items;
int offset, height, top, bottom;
double xalign, yalign;
gboolean xstart, ystart;
- page_size = gtk_adjustment_get_page_size (adjustment);
- value = gtk_adjustment_get_value (adjustment);
- total_size = gtk_adjustment_get_upper (adjustment);
+ gtk_list_base_get_adjustment_values (base, orientation, &value, &total_size, &page_size);
anchor_pos = gtk_list_item_tracker_get_position (self->item_manager, self->anchor);
n_items = g_list_model_get_n_items (self->model);
- if (gtk_grid_view_adjustment_is_flipped (self, self->orientation))
- value = total_size - page_size - value;
- if (adjustment == self->adjustment[self->orientation])
+ if (orientation == self->orientation)
{
/* Compute how far down we've scrolled. That's the height
* we want to align to. */
@@ -587,13 +565,13 @@ gtk_grid_view_adjustment_value_changed_cb (GtkAdjustment *adjustment,
/* Ugh, we're in the last row and don't have enough items
* to fill the row.
* Do it the hard way then... */
- adjustment = self->adjustment[OPPOSITE_ORIENTATION (self->orientation)];
+ gtk_list_base_get_adjustment_values (base,
+ OPPOSITE_ORIENTATION (self->orientation),
+ &value, &total_size, &page_size);
pos = n_items - 1;
xstart = FALSE;
- xalign = (ceil (self->column_width * (pos % self->n_columns + 1))
- - gtk_adjustment_get_value (adjustment))
- / gtk_adjustment_get_page_size (adjustment);
+ xalign = (ceil (self->column_width * (pos % self->n_columns + 1)) - value) / page_size;
}
gtk_grid_view_set_anchor (self, pos, xalign, xstart, yalign, ystart);
@@ -601,36 +579,6 @@ gtk_grid_view_adjustment_value_changed_cb (GtkAdjustment *adjustment,
gtk_widget_queue_allocate (GTK_WIDGET (self));
}
-static int
-gtk_grid_view_update_adjustment_with_values (GtkGridView *self,
- GtkOrientation orientation,
- int value,
- int upper,
- int page_size)
-{
- upper = MAX (upper, page_size);
- value = MAX (0, value);
- value = MIN (value, upper - page_size);
-
- g_signal_handlers_block_by_func (self->adjustment[orientation],
- gtk_grid_view_adjustment_value_changed_cb,
- self);
- gtk_adjustment_configure (self->adjustment[orientation],
- gtk_grid_view_adjustment_is_flipped (self, orientation)
- ? value = upper - page_size - value
- : value,
- 0,
- upper,
- page_size * 0.1,
- page_size * 0.9,
- page_size);
- g_signal_handlers_unblock_by_func (self->adjustment[orientation],
- gtk_grid_view_adjustment_value_changed_cb,
- self);
-
- return value;
-}
-
static int
gtk_grid_view_update_adjustment (GtkGridView *self,
GtkOrientation orientation)
@@ -640,10 +588,7 @@ gtk_grid_view_update_adjustment (GtkGridView *self,
anchor_pos = gtk_list_item_tracker_get_position (self->item_manager, self->anchor);
if (anchor_pos == GTK_INVALID_LIST_POSITION)
- {
- gtk_grid_view_update_adjustment_with_values (self, orientation, 0, 0, 0);
- return 0;
- }
+ return gtk_list_base_set_adjustment_values (GTK_LIST_BASE (self), orientation, 0, 0, 0);
page_size = gtk_widget_get_size (GTK_WIDGET (self), orientation);
@@ -665,11 +610,11 @@ gtk_grid_view_update_adjustment (GtkGridView *self,
if (!self->anchor_ystart)
value += cell_size;
- value = gtk_grid_view_update_adjustment_with_values (self,
- self->orientation,
- value - self->anchor_yalign * page_size,
- aug->size,
- page_size);
+ value = gtk_list_base_set_adjustment_values (GTK_LIST_BASE (self),
+ self->orientation,
+ value - self->anchor_yalign * page_size,
+ aug->size,
+ page_size);
}
else
{
@@ -681,11 +626,11 @@ gtk_grid_view_update_adjustment (GtkGridView *self,
value = ceil (self->column_width * (i + 1));
total_size = round (self->n_columns * self->column_width);
- value = gtk_grid_view_update_adjustment_with_values (self,
- OPPOSITE_ORIENTATION (self->orientation),
- value - self->anchor_xalign * page_size,
- total_size,
- page_size);
+ value = gtk_list_base_set_adjustment_values (GTK_LIST_BASE (self),
+ OPPOSITE_ORIENTATION (self->orientation),
+ value - self->anchor_xalign * page_size,
+ total_size,
+ page_size);
}
return value;
@@ -765,7 +710,7 @@ gtk_grid_view_compute_n_columns (GtkGridView *self,
guint n_columns;
/* rounding down is exactly what we want here, so int division works */
- if (self->scroll_policy[OPPOSITE_ORIENTATION (self->orientation)] == GTK_SCROLL_MINIMUM)
+ if (gtk_list_base_get_scroll_policy (GTK_LIST_BASE (self), OPPOSITE_ORIENTATION (self->orientation)) ==
GTK_SCROLL_MINIMUM)
n_columns = for_size / MAX (1, min);
else
n_columns = for_size / MAX (1, nat);
@@ -782,6 +727,7 @@ gtk_grid_view_measure_list (GtkWidget *widget,
int *natural)
{
GtkGridView *self = GTK_GRID_VIEW (widget);
+ GtkScrollablePolicy scroll_policy;
Cell *cell;
int height, row_height, child_min, child_nat, column_size, col_min, col_nat;
gboolean measured;
@@ -789,6 +735,7 @@ gtk_grid_view_measure_list (GtkWidget *widget,
guint n_unknown, n_columns;
guint i;
+ scroll_policy = gtk_list_base_get_scroll_policy (GTK_LIST_BASE (self), self->orientation);
heights = g_array_new (FALSE, FALSE, sizeof (int));
n_unknown = 0;
height = 0;
@@ -810,7 +757,7 @@ gtk_grid_view_measure_list (GtkWidget *widget,
gtk_widget_measure (cell->parent.widget,
self->orientation, column_size,
&child_min, &child_nat, NULL, NULL);
- if (self->scroll_policy[self->orientation] == GTK_SCROLL_MINIMUM)
+ if (scroll_policy == GTK_SCROLL_MINIMUM)
row_height = MAX (row_height, child_min);
else
row_height = MAX (row_height, child_nat);
@@ -930,10 +877,12 @@ gtk_grid_view_size_allocate (GtkWidget *widget,
GArray *heights;
int min_row_height, row_height, col_min, col_nat;
GtkOrientation opposite_orientation;
+ GtkScrollablePolicy scroll_policy;
gboolean known;
int x, y;
guint i;
+ scroll_policy = gtk_list_base_get_scroll_policy (GTK_LIST_BASE (self), self->orientation);
opposite_orientation = OPPOSITE_ORIENTATION (self->orientation);
min_row_height = ceil ((double) height / GTK_GRID_VIEW_MAX_VISIBLE_ROWS);
@@ -968,7 +917,7 @@ gtk_grid_view_size_allocate (GtkWidget *widget,
gtk_widget_measure (cell->parent.widget, self->orientation,
self->column_width,
&min, &nat, NULL, NULL);
- if (self->scroll_policy[self->orientation] == GTK_SCROLL_MINIMUM)
+ if (scroll_policy == GTK_SCROLL_MINIMUM)
size = min;
else
size = nat;
@@ -1088,19 +1037,6 @@ gtk_grid_view_size_allocate (GtkWidget *widget,
}
}
-static void
-gtk_grid_view_clear_adjustment (GtkGridView *self,
- GtkOrientation orientation)
-{
- if (self->adjustment[orientation] == NULL)
- return;
-
- g_signal_handlers_disconnect_by_func (self->adjustment[orientation],
- gtk_grid_view_adjustment_value_changed_cb,
- self);
- g_clear_object (&self->adjustment[orientation]);
-}
-
static void
gtk_grid_view_dispose (GObject *object)
{
@@ -1108,9 +1044,6 @@ gtk_grid_view_dispose (GObject *object)
g_clear_object (&self->model);
- gtk_grid_view_clear_adjustment (self, GTK_ORIENTATION_HORIZONTAL);
- gtk_grid_view_clear_adjustment (self, GTK_ORIENTATION_VERTICAL);
-
if (self->anchor)
{
gtk_list_item_tracker_free (self->item_manager, self->anchor);
@@ -1145,14 +1078,6 @@ gtk_grid_view_get_property (GObject *object,
g_value_set_object (value, gtk_list_item_manager_get_factory (self->item_manager));
break;
- case PROP_HADJUSTMENT:
- g_value_set_object (value, self->adjustment[GTK_ORIENTATION_HORIZONTAL]);
- break;
-
- case PROP_HSCROLL_POLICY:
- g_value_set_enum (value, self->scroll_policy[GTK_ORIENTATION_HORIZONTAL]);
- break;
-
case PROP_MAX_COLUMNS:
g_value_set_uint (value, self->max_columns);
break;
@@ -1169,61 +1094,12 @@ gtk_grid_view_get_property (GObject *object,
g_value_set_enum (value, self->orientation);
break;
- case PROP_VADJUSTMENT:
- g_value_set_object (value, self->adjustment[GTK_ORIENTATION_VERTICAL]);
- break;
-
- case PROP_VSCROLL_POLICY:
- g_value_set_enum (value, self->scroll_policy[GTK_ORIENTATION_VERTICAL]);
- break;
-
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
-static void
-gtk_grid_view_set_adjustment (GtkGridView *self,
- GtkOrientation orientation,
- GtkAdjustment *adjustment)
-{
- if (self->adjustment[orientation] == adjustment)
- return;
-
- if (adjustment == NULL)
- adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
- g_object_ref_sink (adjustment);
-
- gtk_grid_view_clear_adjustment (self, orientation);
-
- self->adjustment[orientation] = adjustment;
-
- g_signal_connect (adjustment, "value-changed",
- G_CALLBACK (gtk_grid_view_adjustment_value_changed_cb),
- self);
-
- gtk_widget_queue_allocate (GTK_WIDGET (self));
-}
-
-static void
-gtk_grid_view_set_scroll_policy (GtkGridView *self,
- GtkOrientation orientation,
- GtkScrollablePolicy scroll_policy)
-{
- if (self->scroll_policy[orientation] == scroll_policy)
- return;
-
- self->scroll_policy[orientation] = scroll_policy;
-
- gtk_widget_queue_resize (GTK_WIDGET (self));
-
- g_object_notify_by_pspec (G_OBJECT (self),
- orientation == GTK_ORIENTATION_HORIZONTAL
- ? properties[PROP_HSCROLL_POLICY]
- : properties[PROP_VSCROLL_POLICY]);
-}
-
static void
gtk_grid_view_set_property (GObject *object,
guint property_id,
@@ -1238,14 +1114,6 @@ gtk_grid_view_set_property (GObject *object,
gtk_grid_view_set_factory (self, g_value_get_object (value));
break;
- case PROP_HADJUSTMENT:
- gtk_grid_view_set_adjustment (self, GTK_ORIENTATION_HORIZONTAL, g_value_get_object (value));
- break;
-
- case PROP_HSCROLL_POLICY:
- gtk_grid_view_set_scroll_policy (self, GTK_ORIENTATION_HORIZONTAL, g_value_get_enum (value));
- break;
-
case PROP_MAX_COLUMNS:
gtk_grid_view_set_max_columns (self, g_value_get_uint (value));
break;
@@ -1271,14 +1139,6 @@ gtk_grid_view_set_property (GObject *object,
gtk_grid_view_set_model (self, g_value_get_object (value));
break;
- case PROP_VADJUSTMENT:
- gtk_grid_view_set_adjustment (self, GTK_ORIENTATION_VERTICAL, g_value_get_object (value));
- break;
-
- case PROP_VSCROLL_POLICY:
- gtk_grid_view_set_scroll_policy (self, GTK_ORIENTATION_VERTICAL, g_value_get_enum (value));
- break;
-
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -1338,10 +1198,9 @@ gtk_grid_view_compute_scroll_align (GtkGridView *self,
int visible_start, visible_size, visible_end;
int cell_size;
- visible_start = gtk_adjustment_get_value (self->adjustment[orientation]);
- visible_size = gtk_adjustment_get_page_size (self->adjustment[orientation]);
- if (gtk_grid_view_adjustment_is_flipped (self, orientation))
- visible_start = gtk_adjustment_get_upper (self->adjustment[orientation]) - visible_size - visible_start;
+ gtk_list_base_get_adjustment_values (GTK_LIST_BASE (self),
+ orientation,
+ &visible_start, NULL, &visible_size);
visible_end = visible_start + visible_size;
cell_size = cell_end - cell_start;
@@ -1603,7 +1462,9 @@ gtk_grid_view_move_cursor_page_up (GtkWidget *widget,
return;
if (!gtk_grid_view_get_size_at_position (self, pos, &start, &size))
return;
- page_size = gtk_adjustment_get_page_size(self->adjustment[self->orientation]);
+ gtk_list_base_get_adjustment_values (GTK_LIST_BASE (self),
+ self->orientation,
+ NULL, NULL, &page_size);
if (!gtk_grid_view_get_cell_at_y (self,
MAX (0, start + size - page_size),
&new_pos,
@@ -1638,7 +1499,9 @@ gtk_grid_view_move_cursor_page_down (GtkWidget *widget,
return;
if (!gtk_grid_view_get_size_at_position (self, pos, &start, NULL))
return;
- page_size = gtk_adjustment_get_page_size(self->adjustment[self->orientation]);
+ gtk_list_base_get_adjustment_values (GTK_LIST_BASE (self),
+ self->orientation,
+ NULL, NULL, &page_size);
if (gtk_grid_view_get_cell_at_y (self,
start + page_size,
&new_pos,
@@ -1731,10 +1594,12 @@ gtk_grid_view_add_move_binding (GtkBindingSet *binding_set,
static void
gtk_grid_view_class_init (GtkGridViewClass *klass)
{
+ GtkListBaseClass *list_base_class = GTK_LIST_BASE_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkBindingSet *binding_set;
- gpointer iface;
+
+ list_base_class->adjustment_value_changed = gtk_grid_view_adjustment_value_changed;
widget_class->focus = gtk_grid_view_focus;
widget_class->measure = gtk_grid_view_measure;
@@ -1744,21 +1609,6 @@ gtk_grid_view_class_init (GtkGridViewClass *klass)
gobject_class->get_property = gtk_grid_view_get_property;
gobject_class->set_property = gtk_grid_view_set_property;
- /* GtkScrollable implementation */
- iface = g_type_default_interface_peek (GTK_TYPE_SCROLLABLE);
- properties[PROP_HADJUSTMENT] =
- g_param_spec_override ("hadjustment",
- g_object_interface_find_property (iface, "hadjustment"));
- properties[PROP_HSCROLL_POLICY] =
- g_param_spec_override ("hscroll-policy",
- g_object_interface_find_property (iface, "hscroll-policy"));
- properties[PROP_VADJUSTMENT] =
- g_param_spec_override ("vadjustment",
- g_object_interface_find_property (iface, "vadjustment"));
- properties[PROP_VSCROLL_POLICY] =
- g_param_spec_override ("vscroll-policy",
- g_object_interface_find_property (iface, "vscroll-policy"));
-
/**
* GtkGridView:factory:
*
@@ -1992,9 +1842,6 @@ gtk_grid_view_init (GtkGridView *self)
self->min_columns = 1;
self->max_columns = DEFAULT_MAX_COLUMNS;
self->orientation = GTK_ORIENTATION_VERTICAL;
-
- self->adjustment[GTK_ORIENTATION_HORIZONTAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
- self->adjustment[GTK_ORIENTATION_VERTICAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
}
/**
diff --git a/gtk/gtklistbase.c b/gtk/gtklistbase.c
index e46b4f29d0..880b259d93 100644
--- a/gtk/gtklistbase.c
+++ b/gtk/gtklistbase.c
@@ -21,16 +21,295 @@
#include "gtklistbaseprivate.h"
-G_DEFINE_ABSTRACT_TYPE (GtkListBase, gtk_list_base, GTK_TYPE_WIDGET)
+#include "gtkadjustment.h"
+#include "gtkscrollable.h"
+
+typedef struct _GtkListBasePrivate GtkListBasePrivate;
+
+struct _GtkListBasePrivate
+{
+ GtkAdjustment *adjustment[2];
+ GtkScrollablePolicy scroll_policy[2];
+};
+
+enum
+{
+ PROP_0,
+ PROP_HADJUSTMENT,
+ PROP_HSCROLL_POLICY,
+ PROP_VADJUSTMENT,
+ PROP_VSCROLL_POLICY,
+
+ N_PROPS
+};
+
+G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkListBase, gtk_list_base, GTK_TYPE_WIDGET,
+ G_ADD_PRIVATE (GtkListBase)
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE,
NULL))
+
+static GParamSpec *properties[N_PROPS] = { NULL, };
+
+static void
+gtk_list_base_adjustment_value_changed_cb (GtkAdjustment *adjustment,
+ GtkListBase *self)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+ GtkOrientation orientation;
+
+ orientation = adjustment == priv->adjustment[GTK_ORIENTATION_HORIZONTAL]
+ ? GTK_ORIENTATION_HORIZONTAL
+ : GTK_ORIENTATION_VERTICAL;
+
+ GTK_LIST_BASE_GET_CLASS (self)->adjustment_value_changed (self, orientation);
+}
+
+static void
+gtk_list_base_clear_adjustment (GtkListBase *self,
+ GtkOrientation orientation)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ if (priv->adjustment[orientation] == NULL)
+ return;
+
+ g_signal_handlers_disconnect_by_func (priv->adjustment[orientation],
+ gtk_list_base_adjustment_value_changed_cb,
+ self);
+ g_clear_object (&priv->adjustment[orientation]);
+}
+
+static void
+gtk_list_base_dispose (GObject *object)
+{
+ GtkListBase *self = GTK_LIST_BASE (object);
+
+ gtk_list_base_clear_adjustment (self, GTK_ORIENTATION_HORIZONTAL);
+ gtk_list_base_clear_adjustment (self, GTK_ORIENTATION_VERTICAL);
+
+ G_OBJECT_CLASS (gtk_list_base_parent_class)->dispose (object);
+}
+
+static void
+gtk_list_base_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkListBase *self = GTK_LIST_BASE (object);
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ switch (property_id)
+ {
+ case PROP_HADJUSTMENT:
+ g_value_set_object (value, priv->adjustment[GTK_ORIENTATION_HORIZONTAL]);
+ break;
+
+ case PROP_HSCROLL_POLICY:
+ g_value_set_enum (value, priv->scroll_policy[GTK_ORIENTATION_HORIZONTAL]);
+ break;
+
+ case PROP_VADJUSTMENT:
+ g_value_set_object (value, priv->adjustment[GTK_ORIENTATION_VERTICAL]);
+ break;
+
+ case PROP_VSCROLL_POLICY:
+ g_value_set_enum (value, priv->scroll_policy[GTK_ORIENTATION_VERTICAL]);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_list_base_set_adjustment (GtkListBase *self,
+ GtkOrientation orientation,
+ GtkAdjustment *adjustment)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ if (priv->adjustment[orientation] == adjustment)
+ return;
+
+ if (adjustment == NULL)
+ adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+ g_object_ref_sink (adjustment);
+
+ gtk_list_base_clear_adjustment (self, orientation);
+
+ priv->adjustment[orientation] = adjustment;
+
+ g_signal_connect (adjustment, "value-changed",
+ G_CALLBACK (gtk_list_base_adjustment_value_changed_cb),
+ self);
+
+ gtk_widget_queue_allocate (GTK_WIDGET (self));
+}
+
+static void
+gtk_list_base_set_scroll_policy (GtkListBase *self,
+ GtkOrientation orientation,
+ GtkScrollablePolicy scroll_policy)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ if (priv->scroll_policy[orientation] == scroll_policy)
+ return;
+
+ priv->scroll_policy[orientation] = scroll_policy;
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+
+ g_object_notify_by_pspec (G_OBJECT (self),
+ orientation == GTK_ORIENTATION_HORIZONTAL
+ ? properties[PROP_HSCROLL_POLICY]
+ : properties[PROP_VSCROLL_POLICY]);
+}
+
+static void
+gtk_list_base_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkListBase *self = GTK_LIST_BASE (object);
+
+ switch (property_id)
+ {
+ case PROP_HADJUSTMENT:
+ gtk_list_base_set_adjustment (self, GTK_ORIENTATION_HORIZONTAL, g_value_get_object (value));
+ break;
+
+ case PROP_HSCROLL_POLICY:
+ gtk_list_base_set_scroll_policy (self, GTK_ORIENTATION_HORIZONTAL, g_value_get_enum (value));
+ break;
+
+ case PROP_VADJUSTMENT:
+ gtk_list_base_set_adjustment (self, GTK_ORIENTATION_VERTICAL, g_value_get_object (value));
+ break;
+
+ case PROP_VSCROLL_POLICY:
+ gtk_list_base_set_scroll_policy (self, GTK_ORIENTATION_VERTICAL, g_value_get_enum (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
static void
gtk_list_base_class_init (GtkListBaseClass *klass)
{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ gpointer iface;
+
+ gobject_class->dispose = gtk_list_base_dispose;
+ gobject_class->get_property = gtk_list_base_get_property;
+ gobject_class->set_property = gtk_list_base_set_property;
+
+ /* GtkScrollable implementation */
+ iface = g_type_default_interface_peek (GTK_TYPE_SCROLLABLE);
+ properties[PROP_HADJUSTMENT] =
+ g_param_spec_override ("hadjustment",
+ g_object_interface_find_property (iface, "hadjustment"));
+ properties[PROP_HSCROLL_POLICY] =
+ g_param_spec_override ("hscroll-policy",
+ g_object_interface_find_property (iface, "hscroll-policy"));
+ properties[PROP_VADJUSTMENT] =
+ g_param_spec_override ("vadjustment",
+ g_object_interface_find_property (iface, "vadjustment"));
+ properties[PROP_VSCROLL_POLICY] =
+ g_param_spec_override ("vscroll-policy",
+ g_object_interface_find_property (iface, "vscroll-policy"));
+
+ g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
static void
gtk_list_base_init (GtkListBase *self)
{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ priv->adjustment[GTK_ORIENTATION_HORIZONTAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+ priv->adjustment[GTK_ORIENTATION_VERTICAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
gtk_widget_set_overflow (GTK_WIDGET (self), GTK_OVERFLOW_HIDDEN);
}
+static gboolean
+gtk_list_base_adjustment_is_flipped (GtkListBase *self,
+ GtkOrientation orientation)
+{
+ if (orientation == GTK_ORIENTATION_VERTICAL)
+ return FALSE;
+
+ return gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL;
+}
+
+void
+gtk_list_base_get_adjustment_values (GtkListBase *self,
+ GtkOrientation orientation,
+ int *value,
+ int *size,
+ int *page_size)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+ int val, upper, ps;
+
+ val = gtk_adjustment_get_value (priv->adjustment[orientation]);
+ upper = gtk_adjustment_get_upper (priv->adjustment[orientation]);
+ ps = gtk_adjustment_get_page_size (priv->adjustment[orientation]);
+ if (gtk_list_base_adjustment_is_flipped (self, orientation))
+ val = upper - ps - val;
+
+ if (value)
+ *value = val;
+ if (size)
+ *size = upper;
+ if (page_size)
+ *page_size = ps;
+}
+
+int
+gtk_list_base_set_adjustment_values (GtkListBase *self,
+ GtkOrientation orientation,
+ int value,
+ int size,
+ int page_size)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ size = MAX (size, page_size);
+ value = MAX (value, 0);
+ value = MIN (value, size - page_size);
+
+ g_signal_handlers_block_by_func (priv->adjustment[orientation],
+ gtk_list_base_adjustment_value_changed_cb,
+ self);
+ gtk_adjustment_configure (priv->adjustment[orientation],
+ gtk_list_base_adjustment_is_flipped (self, orientation)
+ ? size - page_size - value
+ : value,
+ 0,
+ size,
+ page_size * 0.1,
+ page_size * 0.9,
+ page_size);
+ g_signal_handlers_unblock_by_func (priv->adjustment[orientation],
+ gtk_list_base_adjustment_value_changed_cb,
+ self);
+
+ return value;
+}
+
+GtkScrollablePolicy
+gtk_list_base_get_scroll_policy (GtkListBase *self,
+ GtkOrientation orientation)
+{
+ GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+
+ return priv->scroll_policy[orientation];
+}
+
diff --git a/gtk/gtklistbaseprivate.h b/gtk/gtklistbaseprivate.h
index cfd704f611..39acd980e4 100644
--- a/gtk/gtklistbaseprivate.h
+++ b/gtk/gtklistbaseprivate.h
@@ -30,7 +30,22 @@ struct _GtkListBase
struct _GtkListBaseClass
{
GtkWidgetClass parent_class;
+
+ void (* adjustment_value_changed) (GtkListBase *self,
+ GtkOrientation orientation);
};
+GtkScrollablePolicy gtk_list_base_get_scroll_policy (GtkListBase *self,
+ GtkOrientation orientation);
+void gtk_list_base_get_adjustment_values (GtkListBase *self,
+ GtkOrientation orientation,
+ int *value,
+ int *size,
+ int *page_size);
+int gtk_list_base_set_adjustment_values (GtkListBase *self,
+ GtkOrientation orientation,
+ int value,
+ int size,
+ int page_size);
#endif /* __GTK_LIST_BASE_PRIVATE_H__ */
diff --git a/gtk/gtklistview.c b/gtk/gtklistview.c
index a5623d1ae2..3affde8d10 100644
--- a/gtk/gtklistview.c
+++ b/gtk/gtklistview.c
@@ -21,7 +21,6 @@
#include "gtklistview.h"
-#include "gtkadjustment.h"
#include "gtkbindings.h"
#include "gtkintl.h"
#include "gtklistbaseprivate.h"
@@ -30,7 +29,6 @@
#include "gtkorientableprivate.h"
#include "gtkprivate.h"
#include "gtkrbtreeprivate.h"
-#include "gtkscrollable.h"
#include "gtkselectionmodel.h"
#include "gtksingleselection.h"
#include "gtkstylecontext.h"
@@ -64,8 +62,6 @@ struct _GtkListView
GListModel *model;
GtkListItemManager *item_manager;
- GtkAdjustment *adjustment[2];
- GtkScrollablePolicy scroll_policy[2];
gboolean show_separators;
GtkOrientation orientation;
@@ -101,13 +97,9 @@ enum
{
PROP_0,
PROP_FACTORY,
- PROP_HADJUSTMENT,
- PROP_HSCROLL_POLICY,
PROP_MODEL,
PROP_ORIENTATION,
PROP_SHOW_SEPARATORS,
- PROP_VADJUSTMENT,
- PROP_VSCROLL_POLICY,
N_PROPS
};
@@ -118,8 +110,7 @@ enum {
};
G_DEFINE_TYPE_WITH_CODE (GtkListView, gtk_list_view, GTK_TYPE_LIST_BASE,
- G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)
- G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL))
static GParamSpec *properties[N_PROPS] = { NULL, };
static guint signals[LAST_SIGNAL] = { 0 };
@@ -344,21 +335,13 @@ gtk_list_view_set_anchor (GtkListView *self,
}
}
-static gboolean
-gtk_list_view_adjustment_is_flipped (GtkListView *self,
- GtkOrientation orientation)
-{
- if (orientation == GTK_ORIENTATION_VERTICAL)
- return FALSE;
-
- return gtk_widget_get_direction (GTK_WIDGET (self)) == GTK_TEXT_DIR_RTL;
-}
-
static void
-gtk_list_view_adjustment_value_changed_cb (GtkAdjustment *adjustment,
- GtkListView *self)
+gtk_list_view_adjustment_value_changed (GtkListBase *base,
+ GtkOrientation orientation)
{
- if (adjustment == self->adjustment[self->orientation])
+ GtkListView *self = GTK_LIST_VIEW (base);
+
+ if (orientation == self->orientation)
{
int page_size, total_size, value, from_start;
int row_start, row_end;
@@ -366,12 +349,7 @@ gtk_list_view_adjustment_value_changed_cb (GtkAdjustment *adjustment,
gboolean top;
guint pos;
- page_size = gtk_adjustment_get_page_size (adjustment);
- value = gtk_adjustment_get_value (adjustment);
- total_size = gtk_adjustment_get_upper (adjustment);
-
- if (gtk_list_view_adjustment_is_flipped (self, self->orientation))
- value = total_size - page_size - value;
+ gtk_list_base_get_adjustment_values (base, orientation, &value, &total_size, &page_size);
/* Compute how far down we've scrolled. That's the height
* we want to align to. */
@@ -453,31 +431,10 @@ gtk_list_view_update_adjustments (GtkListView *self,
else
{
upper = self->list_width;
- value = gtk_adjustment_get_value (self->adjustment[orientation]);
- if (gtk_list_view_adjustment_is_flipped (self, orientation))
- value = upper - value - page_size;
+ gtk_list_base_get_adjustment_values (GTK_LIST_BASE (self), orientation, &value, NULL, NULL);
}
- upper = MAX (upper, page_size);
- value = MAX (value, 0);
- value = MIN (value, upper - page_size);
-
- g_signal_handlers_block_by_func (self->adjustment[orientation],
- gtk_list_view_adjustment_value_changed_cb,
- self);
- gtk_adjustment_configure (self->adjustment[orientation],
- gtk_list_view_adjustment_is_flipped (self, orientation)
- ? upper - page_size - value
- : value,
- 0,
- upper,
- page_size * 0.1,
- page_size * 0.9,
- page_size);
- g_signal_handlers_unblock_by_func (self->adjustment[orientation],
- gtk_list_view_adjustment_value_changed_cb,
- self);
-
- return value;
+
+ return gtk_list_base_set_adjustment_values (GTK_LIST_BASE (self), orientation, value, upper, page_size);
}
static int
@@ -652,8 +609,10 @@ gtk_list_view_size_allocate (GtkWidget *widget,
int min, nat, row_height;
int x, y;
GtkOrientation opposite_orientation;
+ GtkScrollablePolicy scroll_policy;
opposite_orientation = OPPOSITE_ORIENTATION (self->orientation);
+ scroll_policy = gtk_list_base_get_scroll_policy (GTK_LIST_BASE (self), self->orientation);
/* step 0: exit early if list is empty */
if (gtk_list_item_manager_get_root (self->item_manager) == NULL)
@@ -664,7 +623,7 @@ gtk_list_view_size_allocate (GtkWidget *widget,
-1,
&min, &nat, NULL, NULL);
self->list_width = self->orientation == GTK_ORIENTATION_VERTICAL ? width : height;
- if (self->scroll_policy[opposite_orientation] == GTK_SCROLL_MINIMUM)
+ if (scroll_policy == GTK_SCROLL_MINIMUM)
self->list_width = MAX (min, self->list_width);
else
self->list_width = MAX (nat, self->list_width);
@@ -682,7 +641,7 @@ gtk_list_view_size_allocate (GtkWidget *widget,
gtk_widget_measure (row->parent.widget, self->orientation,
self->list_width,
&min, &nat, NULL, NULL);
- if (self->scroll_policy[self->orientation] == GTK_SCROLL_MINIMUM)
+ if (scroll_policy == GTK_SCROLL_MINIMUM)
row_height = min;
else
row_height = nat;
@@ -811,19 +770,6 @@ moved_focus:
return TRUE;
}
-static void
-gtk_list_view_clear_adjustment (GtkListView *self,
- GtkOrientation orientation)
-{
- if (self->adjustment[orientation] == NULL)
- return;
-
- g_signal_handlers_disconnect_by_func (self->adjustment[orientation],
- gtk_list_view_adjustment_value_changed_cb,
- self);
- g_clear_object (&self->adjustment[orientation]);
-}
-
static void
gtk_list_view_dispose (GObject *object)
{
@@ -831,9 +777,6 @@ gtk_list_view_dispose (GObject *object)
g_clear_object (&self->model);
- gtk_list_view_clear_adjustment (self, GTK_ORIENTATION_HORIZONTAL);
- gtk_list_view_clear_adjustment (self, GTK_ORIENTATION_VERTICAL);
-
if (self->anchor)
{
gtk_list_item_tracker_free (self->item_manager, self->anchor);
@@ -878,14 +821,6 @@ gtk_list_view_get_property (GObject *object,
g_value_set_object (value, gtk_list_item_manager_get_factory (self->item_manager));
break;
- case PROP_HADJUSTMENT:
- g_value_set_object (value, self->adjustment[GTK_ORIENTATION_HORIZONTAL]);
- break;
-
- case PROP_HSCROLL_POLICY:
- g_value_set_enum (value, self->scroll_policy[GTK_ORIENTATION_HORIZONTAL]);
- break;
-
case PROP_MODEL:
g_value_set_object (value, self->model);
break;
@@ -898,61 +833,12 @@ gtk_list_view_get_property (GObject *object,
g_value_set_boolean (value, self->show_separators);
break;
- case PROP_VADJUSTMENT:
- g_value_set_object (value, self->adjustment[GTK_ORIENTATION_VERTICAL]);
- break;
-
- case PROP_VSCROLL_POLICY:
- g_value_set_enum (value, self->scroll_policy[GTK_ORIENTATION_VERTICAL]);
- break;
-
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
-static void
-gtk_list_view_set_adjustment (GtkListView *self,
- GtkOrientation orientation,
- GtkAdjustment *adjustment)
-{
- if (self->adjustment[orientation] == adjustment)
- return;
-
- if (adjustment == NULL)
- adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
- g_object_ref_sink (adjustment);
-
- gtk_list_view_clear_adjustment (self, orientation);
-
- self->adjustment[orientation] = adjustment;
-
- g_signal_connect (adjustment, "value-changed",
- G_CALLBACK (gtk_list_view_adjustment_value_changed_cb),
- self);
-
- gtk_widget_queue_allocate (GTK_WIDGET (self));
-}
-
-static void
-gtk_list_view_set_scroll_policy (GtkListView *self,
- GtkOrientation orientation,
- GtkScrollablePolicy scroll_policy)
-{
- if (self->scroll_policy[orientation] == scroll_policy)
- return;
-
- self->scroll_policy[orientation] = scroll_policy;
-
- gtk_widget_queue_resize (GTK_WIDGET (self));
-
- g_object_notify_by_pspec (G_OBJECT (self),
- orientation == GTK_ORIENTATION_HORIZONTAL
- ? properties[PROP_HSCROLL_POLICY]
- : properties[PROP_VSCROLL_POLICY]);
-}
-
static void
gtk_list_view_set_property (GObject *object,
guint property_id,
@@ -967,14 +853,6 @@ gtk_list_view_set_property (GObject *object,
gtk_list_view_set_factory (self, g_value_get_object (value));
break;
- case PROP_HADJUSTMENT:
- gtk_list_view_set_adjustment (self, GTK_ORIENTATION_HORIZONTAL, g_value_get_object (value));
- break;
-
- case PROP_HSCROLL_POLICY:
- gtk_list_view_set_scroll_policy (self, GTK_ORIENTATION_HORIZONTAL, g_value_get_enum (value));
- break;
-
case PROP_MODEL:
gtk_list_view_set_model (self, g_value_get_object (value));
break;
@@ -996,14 +874,6 @@ gtk_list_view_set_property (GObject *object,
gtk_list_view_set_show_separators (self, g_value_get_boolean (value));
break;
- case PROP_VADJUSTMENT:
- gtk_list_view_set_adjustment (self, GTK_ORIENTATION_VERTICAL, g_value_get_object (value));
- break;
-
- case PROP_VSCROLL_POLICY:
- gtk_list_view_set_scroll_policy (self, GTK_ORIENTATION_VERTICAL, g_value_get_enum (value));
- break;
-
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -1084,10 +954,11 @@ gtk_list_view_compute_scroll_align (GtkListView *self,
int visible_start, visible_size, visible_end;
int cell_size;
- visible_start = gtk_adjustment_get_value (self->adjustment[orientation]);
- visible_size = gtk_adjustment_get_page_size (self->adjustment[orientation]);
- if (gtk_list_view_adjustment_is_flipped (self, orientation))
- visible_start = gtk_adjustment_get_upper (self->adjustment[orientation]) - visible_size - visible_start;
+ gtk_list_base_get_adjustment_values (GTK_LIST_BASE (self),
+ orientation,
+ &visible_start,
+ NULL,
+ &visible_size);
visible_end = visible_start + visible_size;
cell_size = cell_end - cell_start;
@@ -1446,10 +1317,12 @@ gtk_list_view_add_move_binding (GtkBindingSet *binding_set,
static void
gtk_list_view_class_init (GtkListViewClass *klass)
{
+ GtkListBaseClass *list_base_class = GTK_LIST_BASE_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkBindingSet *binding_set;
- gpointer iface;
+
+ list_base_class->adjustment_value_changed = gtk_list_view_adjustment_value_changed;
widget_class->measure = gtk_list_view_measure;
widget_class->size_allocate = gtk_list_view_size_allocate;
@@ -1460,21 +1333,6 @@ gtk_list_view_class_init (GtkListViewClass *klass)
gobject_class->get_property = gtk_list_view_get_property;
gobject_class->set_property = gtk_list_view_set_property;
- /* GtkScrollable implementation */
- iface = g_type_default_interface_peek (GTK_TYPE_SCROLLABLE);
- properties[PROP_HADJUSTMENT] =
- g_param_spec_override ("hadjustment",
- g_object_interface_find_property (iface, "hadjustment"));
- properties[PROP_HSCROLL_POLICY] =
- g_param_spec_override ("hscroll-policy",
- g_object_interface_find_property (iface, "hscroll-policy"));
- properties[PROP_VADJUSTMENT] =
- g_param_spec_override ("vadjustment",
- g_object_interface_find_property (iface, "vadjustment"));
- properties[PROP_VSCROLL_POLICY] =
- g_param_spec_override ("vscroll-policy",
- g_object_interface_find_property (iface, "vscroll-policy"));
-
/**
* GtkListView:factory:
*
@@ -1657,9 +1515,6 @@ gtk_list_view_init (GtkListView *self)
self->anchor = gtk_list_item_tracker_new (self->item_manager);
self->selected = gtk_list_item_tracker_new (self->item_manager);
self->orientation = GTK_ORIENTATION_VERTICAL;
-
- self->adjustment[GTK_ORIENTATION_HORIZONTAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
- self->adjustment[GTK_ORIENTATION_VERTICAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
}
/**
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]
