viewport: Remove gadget

This commit is contained in:
Timm Bäder 2017-05-04 21:59:04 +02:00 committed by Matthias Clasen
parent 2e3211b0cb
commit 3f5626a3f7

View File

@ -27,7 +27,6 @@
#include "gtkviewport.h"
#include "gtkadjustment.h"
#include "gtkcsscustomgadgetprivate.h"
#include "gtkintl.h"
#include "gtkmarshalers.h"
#include "gtkprivate.h"
@ -74,8 +73,6 @@ struct _GtkViewportPrivate
GdkWindow *bin_window;
GtkCssGadget *gadget;
/* GtkScrollablePolicy needs to be checked when
* driving the scrollable adjustment values */
guint hscroll_policy : 1;
@ -100,7 +97,6 @@ static void gtk_viewport_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_viewport_finalize (GObject *object);
static void gtk_viewport_destroy (GtkWidget *widget);
static void gtk_viewport_realize (GtkWidget *widget);
static void gtk_viewport_unrealize (GtkWidget *widget);
@ -120,30 +116,6 @@ G_DEFINE_TYPE_WITH_CODE (GtkViewport, gtk_viewport, GTK_TYPE_BIN,
G_ADD_PRIVATE (GtkViewport)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
static void
gtk_viewport_measure (GtkCssGadget *gadget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline,
gpointer data)
{
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
GtkWidget *child;
*minimum = *natural = 0;
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
gtk_widget_measure (child,
orientation,
for_size,
minimum, natural,
NULL, NULL);
}
static void
viewport_set_adjustment_values (GtkViewport *viewport,
GtkOrientation orientation)
@ -159,8 +131,7 @@ viewport_set_adjustment_values (GtkViewport *viewport,
gdouble upper, value;
int viewport_size, other_viewport_size;
gtk_css_gadget_get_content_allocation (viewport->priv->gadget,
&view_allocation, NULL);
gtk_widget_get_content_allocation (GTK_WIDGET (viewport), &view_allocation);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
@ -232,73 +203,7 @@ viewport_set_adjustment_values (GtkViewport *viewport,
}
static void
gtk_viewport_allocate (GtkCssGadget *gadget,
const GtkAllocation *allocation,
int baseline,
GtkAllocation *out_clip,
gpointer data)
{
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
GtkViewport *viewport = GTK_VIEWPORT (widget);
GtkViewportPrivate *priv = viewport->priv;
GtkAdjustment *hadjustment = priv->hadjustment;
GtkAdjustment *vadjustment = priv->vadjustment;
GtkWidget *child;
g_object_freeze_notify (G_OBJECT (hadjustment));
g_object_freeze_notify (G_OBJECT (vadjustment));
viewport_set_adjustment_values (viewport, GTK_ORIENTATION_HORIZONTAL);
viewport_set_adjustment_values (viewport, GTK_ORIENTATION_VERTICAL);
if (gtk_widget_get_realized (widget))
{
gdk_window_move_resize (priv->bin_window,
allocation->x - gtk_adjustment_get_value (hadjustment),
allocation->y - gtk_adjustment_get_value (vadjustment),
gtk_adjustment_get_upper (hadjustment),
gtk_adjustment_get_upper (vadjustment));
}
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
{
GtkAllocation child_allocation;
child_allocation.x = 0;
child_allocation.y = 0;
child_allocation.width = gtk_adjustment_get_upper (hadjustment);
child_allocation.height = gtk_adjustment_get_upper (vadjustment);
gtk_widget_size_allocate (child, &child_allocation);
}
g_object_thaw_notify (G_OBJECT (hadjustment));
g_object_thaw_notify (G_OBJECT (vadjustment));
}
static gboolean
gtk_viewport_render (GtkCssGadget *gadget,
GtkSnapshot *snapshot,
int x,
int y,
int width,
int height,
gpointer data)
{
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
gtk_snapshot_push_clip (snapshot, &GRAPHENE_RECT_INIT(x, y, width, height), "Viewport");
GTK_WIDGET_CLASS (gtk_viewport_parent_class)->snapshot (widget, snapshot);
gtk_snapshot_pop (snapshot);
return FALSE;
}
static void
gtk_viewport_measure_ (GtkWidget *widget,
gtk_viewport_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
@ -306,11 +211,17 @@ gtk_viewport_measure_ (GtkWidget *widget,
int *minimum_baseline,
int *natural_baseline)
{
gtk_css_gadget_get_preferred_size (GTK_VIEWPORT (widget)->priv->gadget,
orientation,
for_size,
minimum, natural,
minimum_baseline, natural_baseline);
GtkWidget *child;
*minimum = *natural = 0;
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
gtk_widget_measure (child,
orientation,
for_size,
minimum, natural,
NULL, NULL);
}
static void
@ -326,14 +237,13 @@ gtk_viewport_class_init (GtkViewportClass *class)
gobject_class->set_property = gtk_viewport_set_property;
gobject_class->get_property = gtk_viewport_get_property;
gobject_class->finalize = gtk_viewport_finalize;
widget_class->destroy = gtk_viewport_destroy;
widget_class->realize = gtk_viewport_realize;
widget_class->unrealize = gtk_viewport_unrealize;
widget_class->snapshot = gtk_viewport_snapshot;
widget_class->size_allocate = gtk_viewport_size_allocate;
widget_class->measure = gtk_viewport_measure_;
widget_class->measure = gtk_viewport_measure;
gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_VIEWPORT);
@ -437,7 +347,6 @@ gtk_viewport_init (GtkViewport *viewport)
{
GtkWidget *widget;
GtkViewportPrivate *priv;
GtkCssNode *widget_node;
viewport->priv = gtk_viewport_get_instance_private (viewport);
priv = viewport->priv;
@ -451,15 +360,8 @@ gtk_viewport_init (GtkViewport *viewport)
priv->hadjustment = NULL;
priv->vadjustment = NULL;
widget_node = gtk_widget_get_css_node (widget);
priv->gadget = gtk_css_custom_gadget_new_for_node (widget_node,
widget,
gtk_viewport_measure,
gtk_viewport_allocate,
gtk_viewport_render,
NULL, NULL);
gtk_css_gadget_add_class (priv->gadget, GTK_STYLE_CLASS_FRAME);
gtk_style_context_add_class (gtk_widget_get_style_context (widget),
GTK_STYLE_CLASS_FRAME);
viewport_set_adjustment (viewport, GTK_ORIENTATION_HORIZONTAL, NULL);
viewport_set_adjustment (viewport, GTK_ORIENTATION_VERTICAL, NULL);
}
@ -519,17 +421,6 @@ gtk_viewport_destroy (GtkWidget *widget)
GTK_WIDGET_CLASS (gtk_viewport_parent_class)->destroy (widget);
}
static void
gtk_viewport_finalize (GObject *object)
{
GtkViewport *viewport = GTK_VIEWPORT (object);
GtkViewportPrivate *priv = viewport->priv;
g_clear_object (&priv->gadget);
G_OBJECT_CLASS (gtk_viewport_parent_class)->finalize (object);
}
static void
viewport_set_adjustment (GtkViewport *viewport,
GtkOrientation orientation,
@ -621,14 +512,13 @@ gtk_viewport_realize (GtkWidget *widget)
GTK_WIDGET_CLASS (gtk_viewport_parent_class)->realize (widget);
gtk_css_gadget_get_content_allocation (priv->gadget,
&view_allocation, NULL);
gtk_widget_get_content_allocation (widget, &view_allocation);
priv->bin_window = gdk_window_new_child (gtk_widget_get_window (widget),
GDK_ALL_EVENTS_MASK,
&(GdkRectangle) {
- gtk_adjustment_get_value (hadjustment),
- gtk_adjustment_get_value (vadjustment),
view_allocation.x - gtk_adjustment_get_value (hadjustment),
view_allocation.y - gtk_adjustment_get_value (vadjustment),
gtk_adjustment_get_upper (hadjustment),
gtk_adjustment_get_upper (vadjustment)});
gtk_widget_register_window (widget, priv->bin_window);
@ -657,10 +547,23 @@ static void
gtk_viewport_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkViewport *viewport = GTK_VIEWPORT (widget);
GtkViewportPrivate *priv = viewport->priv;
GtkAllocation content_allocation;
GtkAllocation widget_allocation;
gtk_css_gadget_snapshot (priv->gadget, snapshot);
gtk_widget_get_content_allocation (widget, &content_allocation);
gtk_widget_get_allocation (widget, &widget_allocation);
gtk_snapshot_push_clip (snapshot,
&GRAPHENE_RECT_INIT(
content_allocation.x - widget_allocation.x,
content_allocation.y - widget_allocation.y,
content_allocation.width,
content_allocation.height),
"Viewport");
GTK_WIDGET_CLASS (gtk_viewport_parent_class)->snapshot (widget, snapshot);
gtk_snapshot_pop (snapshot);
}
static void
@ -680,11 +583,14 @@ gtk_viewport_add (GtkContainer *container,
static void
gtk_viewport_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
GtkAllocation *allocation)
{
GtkViewport *viewport = GTK_VIEWPORT (widget);
GtkViewportPrivate *priv = viewport->priv;
GtkAllocation clip, content_allocation, widget_allocation;
GtkAllocation clip = *allocation, widget_allocation;
GtkAdjustment *hadjustment = priv->hadjustment;
GtkAdjustment *vadjustment = priv->vadjustment;
GtkWidget *child;
/* If our size changed, and we have a shadow, queue a redraw on widget->window to
* redraw the shadow correctly.
@ -696,13 +602,37 @@ gtk_viewport_size_allocate (GtkWidget *widget,
widget_allocation.height != allocation->height))
gdk_window_invalidate_rect (gtk_widget_get_window (widget), NULL, FALSE);
gtk_widget_set_allocation (widget, allocation);
g_object_freeze_notify (G_OBJECT (hadjustment));
g_object_freeze_notify (G_OBJECT (vadjustment));
content_allocation = *allocation;
gtk_css_gadget_allocate (priv->gadget,
&content_allocation,
gtk_widget_get_allocated_baseline (widget),
&clip);
viewport_set_adjustment_values (viewport, GTK_ORIENTATION_HORIZONTAL);
viewport_set_adjustment_values (viewport, GTK_ORIENTATION_VERTICAL);
if (gtk_widget_get_realized (widget))
{
gdk_window_move_resize (priv->bin_window,
allocation->x - gtk_adjustment_get_value (hadjustment),
allocation->y - gtk_adjustment_get_value (vadjustment),
gtk_adjustment_get_upper (hadjustment),
gtk_adjustment_get_upper (vadjustment));
}
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
{
GtkAllocation child_allocation;
child_allocation.x = 0;
child_allocation.y = 0;
child_allocation.width = gtk_adjustment_get_upper (hadjustment);
child_allocation.height = gtk_adjustment_get_upper (vadjustment);
gtk_widget_size_allocate (child, &child_allocation);
gtk_widget_get_clip (child, &clip);
}
g_object_thaw_notify (G_OBJECT (hadjustment));
g_object_thaw_notify (G_OBJECT (vadjustment));
gtk_widget_set_clip (widget, &clip);
}
@ -726,7 +656,7 @@ gtk_viewport_adjustment_value_changed (GtkAdjustment *adjustment,
gint old_x, old_y;
gint new_x, new_y;
gtk_widget_get_allocation (GTK_WIDGET (viewport), &allocation);
gtk_widget_get_content_allocation (GTK_WIDGET (viewport), &allocation);
gdk_window_get_position (priv->bin_window, &old_x, &old_y);
new_x = - gtk_adjustment_get_value (hadjustment);
new_y = - gtk_adjustment_get_value (vadjustment);