*/
#include "config.h"
+
#include <math.h>
-#include <gdk/gdkkeysyms.h>
+
#include "gtkbindings.h"
-#include "gtksizerequest.h"
#include "gtkmarshalers.h"
+#include "gtkscrollable.h"
#include "gtkscrolledwindow.h"
#include "gtkwindow.h"
#include "gtkprivate.h"
+#include "gtktypebuiltins.h"
#include "gtkintl.h"
+
+/**
+ * SECTION:gtkscrolledwindow
+ * @Short_description: Adds scrollbars to its child widget
+ * @Title: GtkScrolledWindow
+ * @See_also: #GtkScrollable, #GtkViewport, #GtkAdjustment
+ *
+ * #GtkScrolledWindow is a #GtkBin subclass: it's a container
+ * the accepts a single child widget. #GtkScrolledWindow adds scrollbars
+ * to the child widget and optionally draws a beveled frame around the
+ * child widget.
+ *
+ * The scrolled window can work in two ways. Some widgets have native
+ * scrolling support; these widgets implement the #GtkScrollable interface.
+ * Widgets with native scroll support include #GtkTreeView, #GtkTextView,
+ * and #GtkLayout.
+ *
+ * For widgets that lack native scrolling support, the #GtkViewport
+ * widget acts as an adaptor class, implementing scrollability for child
+ * widgets that lack their own scrolling capabilities. Use #GtkViewport
+ * to scroll child widgets such as #GtkTable, #GtkBox, and so on.
+ *
+ * If a widget has native scrolling abilities, it can be added to the
+ * #GtkScrolledWindow with gtk_container_add(). If a widget does not, you
+ * must first add the widget to a #GtkViewport, then add the #GtkViewport
+ * to the scrolled window. The convenience function
+ * gtk_scrolled_window_add_with_viewport() does exactly this, so you can
+ * ignore the presence of the viewport.
+ *
+ * The position of the scrollbars is controlled by the scroll
+ * adjustments. See #GtkAdjustment for the fields in an adjustment - for
+ * #GtkScrollbar, used by #GtkScrolledWindow, the "value" field
+ * represents the position of the scrollbar, which must be between the
+ * "lower" field and "upper - page_size." The "page_size" field
+ * represents the size of the visible scrollable area. The
+ * "step_increment" and "page_increment" fields are used when the user
+ * asks to step down (using the small stepper arrows) or page down (using
+ * for example the PageDown key).
+ *
+ * If a #GtkScrolledWindow doesn't behave quite as you would like, or
+ * doesn't have exactly the right layout, it's very possible to set up
+ * your own scrolling with #GtkScrollbar and for example a #GtkTable.
+ */
+
+
/* scrolled window policy and size requisition handling:
*
* gtk size requisition works as follows:
guint vscrollbar_visible : 1;
guint window_placement : 2;
guint focus_out : 1; /* Flag used by ::move-focus-out implementation */
+
+ gint min_content_width;
+ gint min_content_height;
};
PROP_VSCROLLBAR_POLICY,
PROP_WINDOW_PLACEMENT,
PROP_WINDOW_PLACEMENT_SET,
- PROP_SHADOW_TYPE
+ PROP_SHADOW_TYPE,
+ PROP_MIN_CONTENT_WIDTH,
+ PROP_MIN_CONTENT_HEIGHT
};
/* Signals */
LAST_SIGNAL
};
-static void gtk_scrolled_window_destroy (GtkObject *object);
static void gtk_scrolled_window_set_property (GObject *object,
guint prop_id,
const GValue *value,
GValue *value,
GParamSpec *pspec);
+static void gtk_scrolled_window_destroy (GtkWidget *widget);
static void gtk_scrolled_window_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen);
-static gboolean gtk_scrolled_window_expose (GtkWidget *widget,
- GdkEventExpose *event);
+static gboolean gtk_scrolled_window_draw (GtkWidget *widget,
+ cairo_t *cr);
static void gtk_scrolled_window_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gboolean gtk_scrolled_window_scroll_event (GtkWidget *widget,
static void gtk_scrolled_window_update_real_placement (GtkScrolledWindow *scrolled_window);
-static void gtk_scrolled_window_size_request_init (GtkSizeRequestIface *iface);
-static void gtk_scrolled_window_get_width (GtkSizeRequest *widget,
+static void gtk_scrolled_window_get_preferred_width (GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
-static void gtk_scrolled_window_get_height (GtkSizeRequest *widget,
+static void gtk_scrolled_window_get_preferred_height (GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
-static void gtk_scrolled_window_get_height_for_width (GtkSizeRequest *layout,
+static void gtk_scrolled_window_get_preferred_height_for_width (GtkWidget *layout,
gint width,
gint *minimum_height,
gint *natural_height);
-static void gtk_scrolled_window_get_width_for_height (GtkSizeRequest *layout,
+static void gtk_scrolled_window_get_preferred_width_for_height (GtkWidget *layout,
gint width,
gint *minimum_height,
gint *natural_height);
static guint signals[LAST_SIGNAL] = {0};
-G_DEFINE_TYPE_WITH_CODE (GtkScrolledWindow, gtk_scrolled_window, GTK_TYPE_BIN,
- G_IMPLEMENT_INTERFACE (GTK_TYPE_SIZE_REQUEST,
- gtk_scrolled_window_size_request_init))
+G_DEFINE_TYPE (GtkScrolledWindow, gtk_scrolled_window, GTK_TYPE_BIN)
static void
gtk_scrolled_window_class_init (GtkScrolledWindowClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
- GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
GtkBindingSet *binding_set;
- object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
container_class = (GtkContainerClass*) class;
gobject_class->set_property = gtk_scrolled_window_set_property;
gobject_class->get_property = gtk_scrolled_window_get_property;
- object_class->destroy = gtk_scrolled_window_destroy;
-
+ widget_class->destroy = gtk_scrolled_window_destroy;
widget_class->screen_changed = gtk_scrolled_window_screen_changed;
- widget_class->expose_event = gtk_scrolled_window_expose;
+ widget_class->draw = gtk_scrolled_window_draw;
widget_class->size_allocate = gtk_scrolled_window_size_allocate;
widget_class->scroll_event = gtk_scrolled_window_scroll_event;
widget_class->focus = gtk_scrolled_window_focus;
+ widget_class->get_preferred_width = gtk_scrolled_window_get_preferred_width;
+ widget_class->get_preferred_height = gtk_scrolled_window_get_preferred_height;
+ widget_class->get_preferred_height_for_width = gtk_scrolled_window_get_preferred_height_for_width;
+ widget_class->get_preferred_width_for_height = gtk_scrolled_window_get_preferred_width_for_height;
container_class->add = gtk_scrolled_window_add;
container_class->remove = gtk_scrolled_window_remove;
container_class->forall = gtk_scrolled_window_forall;
+ gtk_container_class_handle_border_width (container_class);
class->scrollbar_spacing = -1;
GTK_PARAM_READABLE));
/**
- * GtkSettings:gtk-scrolled-window-placement:
+ * GtkScrolledWindow:min-content-width:
*
- * Where the contents of scrolled windows are located with respect to the
- * scrollbars, if not overridden by the scrolled window's own placement.
+ * The minimum content width of @scrolled_window, or -1 if not set.
*
- * Since: 2.10
+ * Since: 3.0
*/
- gtk_settings_install_property (g_param_spec_enum ("gtk-scrolled-window-placement",
- P_("Scrolled Window Placement"),
- P_("Where the contents of scrolled windows are located with respect to the scrollbars, if not overridden by the scrolled window's own placement."),
- GTK_TYPE_CORNER_TYPE,
- GTK_CORNER_TOP_LEFT,
- G_PARAM_READABLE | G_PARAM_WRITABLE));
-
+ g_object_class_install_property (gobject_class,
+ PROP_MIN_CONTENT_WIDTH,
+ g_param_spec_int ("min-content-width",
+ P_("Minimum Content Width"),
+ P_("The minimum width that the scrolled window will allocate to its content"),
+ -1, G_MAXINT, -1,
+ GTK_PARAM_READWRITE));
+ /**
+ * GtkScrolledWindow:min-content-height:
+ *
+ * The minimum content height of @scrolled_window, or -1 if not set.
+ *
+ * Since: 3.0
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_MIN_CONTENT_HEIGHT,
+ g_param_spec_int ("min-content-height",
+ P_("Minimum Content Height"),
+ P_("The minimum height that the scrolled window will allocate to its content"),
+ -1, G_MAXINT, -1,
+ GTK_PARAM_READWRITE));
+ /**
+ * GtkScrolledWindow::scroll-child:
+ * @scrolled_window: a #GtkScrolledWindow
+ * @scroll: a #GtkScrollType describing how much to scroll
+ * @horizontal: whether the keybinding scrolls the child
+ * horizontally or not
+ *
+ * The ::scroll-child signal is a
+ * <link linkend="keybinding-signals">keybinding signal</link>
+ * which gets emitted when a keybinding that scrolls is pressed.
+ * The horizontal or vertical adjustment is updated which triggers a
+ * signal that the scrolled windows child may listen to and scroll itself.
+ */
signals[SCROLL_CHILD] =
g_signal_new (I_("scroll-child"),
- G_TYPE_FROM_CLASS (object_class),
+ G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkScrolledWindowClass, scroll_child),
NULL, NULL,
G_TYPE_BOOLEAN, 2,
GTK_TYPE_SCROLL_TYPE,
G_TYPE_BOOLEAN);
+
+ /**
+ * GtkScrolledWindow::move-focus-out:
+ * @scrolled_window: a #GtkScrolledWindow
+ * @direction_type: either %GTK_DIR_TAB_FORWARD or
+ * %GTK_DIR_TAB_BACKWARD
+ *
+ * The ::move-focus-out signal is a
+ * <link linkend="keybinding-signals">keybinding signal</link>
+ * which gets emitted when focus is moved away from the scrolled
+ * window by a keybinding.
+ * The #GtkWidget::move-focus signal is emitted with @direction_type
+ * on this scrolled windows toplevel parent in the container hierarchy.
+ * The default bindings for this signal are
+ * <keycombo><keycap>Tab</keycap><keycap>Ctrl</keycap></keycombo>
+ * and
+ * <keycombo><keycap>Tab</keycap><keycap>Ctrl</keycap><keycap>Shift</keycap></keycombo>.
+ */
signals[MOVE_FOCUS_OUT] =
g_signal_new (I_("move-focus-out"),
- G_TYPE_FROM_CLASS (object_class),
+ G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkScrolledWindowClass, move_focus_out),
NULL, NULL,
priv->focus_out = FALSE;
priv->window_placement = GTK_CORNER_TOP_LEFT;
gtk_scrolled_window_update_real_placement (scrolled_window);
+ priv->min_content_width = -1;
+ priv->min_content_height = -1;
}
/**
if (!priv->hscrollbar)
{
gtk_widget_push_composite_child ();
- priv->hscrollbar = gtk_hscrollbar_new (hadjustment);
+ priv->hscrollbar = gtk_scrollbar_new (GTK_ORIENTATION_HORIZONTAL, hadjustment);
gtk_widget_set_composite_name (priv->hscrollbar, "hscrollbar");
gtk_widget_pop_composite_child ();
else
{
GtkAdjustment *old_adjustment;
-
+
old_adjustment = gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar));
if (old_adjustment == hadjustment)
return;
gtk_scrolled_window_adjustment_changed (hadjustment, scrolled_window);
child = gtk_bin_get_child (bin);
- if (child)
- gtk_widget_set_scroll_adjustments (child,
- gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar)),
- gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar)));
+ if (GTK_IS_SCROLLABLE (child))
+ gtk_scrollable_set_hadjustment (GTK_SCROLLABLE (child), hadjustment);
g_object_notify (G_OBJECT (scrolled_window), "hadjustment");
}
*/
void
gtk_scrolled_window_set_vadjustment (GtkScrolledWindow *scrolled_window,
- GtkAdjustment *vadjustment)
+ GtkAdjustment *vadjustment)
{
GtkScrolledWindowPrivate *priv;
GtkBin *bin;
if (!priv->vscrollbar)
{
gtk_widget_push_composite_child ();
- priv->vscrollbar = gtk_vscrollbar_new (vadjustment);
+ priv->vscrollbar = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL, vadjustment);
gtk_widget_set_composite_name (priv->vscrollbar, "vscrollbar");
gtk_widget_pop_composite_child ();
gtk_scrolled_window_adjustment_changed (vadjustment, scrolled_window);
child = gtk_bin_get_child (bin);
- if (child)
- gtk_widget_set_scroll_adjustments (child,
- gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar)),
- gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar)));
+ if (GTK_IS_SCROLLABLE (child))
+ gtk_scrollable_set_vadjustment (GTK_SCROLLABLE (child), vadjustment);
g_object_notify (G_OBJECT (scrolled_window), "vadjustment");
}
/**
* gtk_scrolled_window_get_policy:
* @scrolled_window: a #GtkScrolledWindow
- * @hscrollbar_policy: location to store the policy for the horizontal
- * scrollbar, or %NULL.
- * @vscrollbar_policy: location to store the policy for the vertical
- * scrollbar, or %NULL.
+ * @hscrollbar_policy: (out) (allow-none): location to store the policy
+ * for the horizontal scrollbar, or %NULL.
+ * @vscrollbar_policy: (out) (allow-none): location to store the policy
+ * for the vertical scrollbar, or %NULL.
*
* Retrieves the current policy values for the horizontal and vertical
* scrollbars. See gtk_scrolled_window_set_policy().
}
static void
-gtk_scrolled_window_destroy (GtkObject *object)
+gtk_scrolled_window_destroy (GtkWidget *widget)
{
- GtkScrolledWindow *scrolled_window = GTK_SCROLLED_WINDOW (object);
+ GtkScrolledWindow *scrolled_window = GTK_SCROLLED_WINDOW (widget);
GtkScrolledWindowPrivate *priv = scrolled_window->priv;
if (priv->hscrollbar)
priv->vscrollbar = NULL;
}
- GTK_OBJECT_CLASS (gtk_scrolled_window_parent_class)->destroy (object);
+ GTK_WIDGET_CLASS (gtk_scrolled_window_parent_class)->destroy (widget);
}
static void
gtk_scrolled_window_set_shadow_type (scrolled_window,
g_value_get_enum (value));
break;
+ case PROP_MIN_CONTENT_WIDTH:
+ gtk_scrolled_window_set_min_content_width (scrolled_window,
+ g_value_get_int (value));
+ break;
+ case PROP_MIN_CONTENT_HEIGHT:
+ gtk_scrolled_window_set_min_content_height (scrolled_window,
+ g_value_get_int (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
g_value_set_object (value,
G_OBJECT (gtk_scrolled_window_get_vadjustment (scrolled_window)));
break;
- case PROP_HSCROLLBAR_POLICY:
- g_value_set_enum (value, priv->hscrollbar_policy);
- break;
- case PROP_VSCROLLBAR_POLICY:
- g_value_set_enum (value, priv->vscrollbar_policy);
- break;
case PROP_WINDOW_PLACEMENT:
g_value_set_enum (value, priv->window_placement);
break;
case PROP_SHADOW_TYPE:
g_value_set_enum (value, priv->shadow_type);
break;
+ case PROP_HSCROLLBAR_POLICY:
+ g_value_set_enum (value, priv->hscrollbar_policy);
+ break;
+ case PROP_VSCROLLBAR_POLICY:
+ g_value_set_enum (value, priv->vscrollbar_policy);
+ break;
+ case PROP_MIN_CONTENT_WIDTH:
+ g_value_set_int (value, priv->min_content_width);
+ break;
+ case PROP_MIN_CONTENT_HEIGHT:
+ g_value_set_int (value, priv->min_content_height);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
GUINT_TO_POINTER (window_placement_connection));
}
-static void
-gtk_scrolled_window_paint (GtkWidget *widget,
- GdkRectangle *area)
+static gboolean
+gtk_scrolled_window_draw (GtkWidget *widget,
+ cairo_t *cr)
{
GtkScrolledWindow *scrolled_window = GTK_SCROLLED_WINDOW (widget);
GtkScrolledWindowPrivate *priv = scrolled_window->priv;
if (priv->shadow_type != GTK_SHADOW_NONE)
{
- GtkAllocation allocation;
GtkAllocation relative_allocation;
- GtkStyle *style;
+ GtkStyleContext *context;
gboolean scrollbars_within_bevel;
- style = gtk_widget_get_style (widget);
- gtk_widget_style_get (widget, "scrollbars-within-bevel", &scrollbars_within_bevel, NULL);
+ context = gtk_widget_get_style_context (widget);
+
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME);
- gtk_widget_get_allocation (widget, &allocation);
+ gtk_widget_style_get (widget, "scrollbars-within-bevel", &scrollbars_within_bevel, NULL);
if (!scrollbars_within_bevel)
{
+ GtkStateFlags state;
+ GtkBorder padding, border;
+
+ state = gtk_widget_get_state_flags (widget);
+ gtk_style_context_get_padding (context, state, &padding);
+ gtk_style_context_get_border (context, state, &border);
+
gtk_scrolled_window_relative_allocation (widget, &relative_allocation);
- relative_allocation.x -= style->xthickness;
- relative_allocation.y -= style->ythickness;
- relative_allocation.width += 2 * style->xthickness;
- relative_allocation.height += 2 * style->ythickness;
+ relative_allocation.x -= padding.left + border.left;
+ relative_allocation.y -= padding.top + border.top;
+ relative_allocation.width += padding.left + padding.right + border.left + border.right;
+ relative_allocation.height += padding.top + padding.bottom + border.top + border.bottom;
}
else
{
- GtkContainer *container = GTK_CONTAINER (widget);
- guint border_width;
-
- border_width = gtk_container_get_border_width (container);
-
- relative_allocation.x = border_width;
- relative_allocation.y = border_width;
- relative_allocation.width = allocation.width - 2 * border_width;
- relative_allocation.height = allocation.height - 2 * border_width;
+ relative_allocation.x = 0;
+ relative_allocation.y = 0;
+ relative_allocation.width = gtk_widget_get_allocated_width (widget);
+ relative_allocation.height = gtk_widget_get_allocated_height (widget);
}
- gtk_paint_shadow (style,
- gtk_widget_get_window (widget),
- GTK_STATE_NORMAL, priv->shadow_type,
- area, widget, "scrolled_window",
- allocation.x + relative_allocation.x,
- allocation.y + relative_allocation.y,
+ gtk_render_frame (context, cr,
+ relative_allocation.x,
+ relative_allocation.y,
relative_allocation.width,
relative_allocation.height);
- }
-}
-static gboolean
-gtk_scrolled_window_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- if (gtk_widget_is_drawable (widget))
- {
- gtk_scrolled_window_paint (widget, &event->area);
-
- GTK_WIDGET_CLASS (gtk_scrolled_window_parent_class)->expose_event (widget, event);
+ gtk_style_context_restore (context);
}
+ GTK_WIDGET_CLASS (gtk_scrolled_window_parent_class)->draw (widget, cr);
+
return FALSE;
}
if (adjustment)
{
- gdouble value = adjustment->value;
+ gdouble value = gtk_adjustment_get_value (adjustment);
switch (scroll)
{
case GTK_SCROLL_STEP_FORWARD:
- value += adjustment->step_increment;
+ value += gtk_adjustment_get_step_increment (adjustment);
break;
case GTK_SCROLL_STEP_BACKWARD:
- value -= adjustment->step_increment;
+ value -= gtk_adjustment_get_step_increment (adjustment);
break;
case GTK_SCROLL_PAGE_FORWARD:
- value += adjustment->page_increment;
+ value += gtk_adjustment_get_page_increment (adjustment);
break;
case GTK_SCROLL_PAGE_BACKWARD:
- value -= adjustment->page_increment;
+ value -= gtk_adjustment_get_page_increment (adjustment);
break;
case GTK_SCROLL_START:
- value = adjustment->lower;
+ value = gtk_adjustment_get_lower (adjustment);
break;
case GTK_SCROLL_END:
- value = adjustment->upper;
+ value = gtk_adjustment_get_upper (adjustment);
break;
default:
g_assert_not_reached ();
GtkAllocation widget_allocation;
GtkScrolledWindow *scrolled_window;
GtkScrolledWindowPrivate *priv;
- GtkStyle *style;
- gint scrollbar_spacing;
- guint border_width;
+ gint sb_spacing;
+ gint sb_width;
+ gint sb_height;
g_return_if_fail (widget != NULL);
g_return_if_fail (allocation != NULL);
scrolled_window = GTK_SCROLLED_WINDOW (widget);
priv = scrolled_window->priv;
- scrollbar_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
+ /* Get possible scrollbar dimensions */
+ sb_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
+ gtk_widget_get_preferred_height (priv->hscrollbar, &sb_height, NULL);
+ gtk_widget_get_preferred_width (priv->vscrollbar, &sb_width, NULL);
- border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
- allocation->x = border_width;
- allocation->y = border_width;
+ /* Subtract some things from our available allocation size */
+ allocation->x = 0;
+ allocation->y = 0;
if (priv->shadow_type != GTK_SHADOW_NONE)
{
- style = gtk_widget_get_style (widget);
- allocation->x += style->xthickness;
- allocation->y += style->ythickness;
+ GtkStyleContext *context;
+ GtkStateFlags state;
+ GtkBorder padding, border;
+
+ context = gtk_widget_get_style_context (widget);
+ state = gtk_widget_get_state_flags (widget);
+
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME);
+
+ gtk_style_context_get_border (context, state, &border);
+ gtk_style_context_get_padding (context, state, &padding);
+
+ allocation->x += padding.left + border.left;
+ allocation->y += padding.top + border.top;
+
+ gtk_style_context_restore (context);
}
gtk_widget_get_allocation (widget, &widget_allocation);
if (priv->vscrollbar_visible)
{
- GtkRequisition vscrollbar_requisition;
gboolean is_rtl;
- gtk_size_request_get_size (GTK_SIZE_REQUEST (priv->vscrollbar),
- &vscrollbar_requisition, NULL);
is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
if ((!is_rtl &&
(is_rtl &&
(priv->real_window_placement == GTK_CORNER_TOP_LEFT ||
priv->real_window_placement == GTK_CORNER_BOTTOM_LEFT)))
- allocation->x += (vscrollbar_requisition.width + scrollbar_spacing);
+ allocation->x += (sb_width + sb_spacing);
- allocation->width = MAX (1, allocation->width - (vscrollbar_requisition.width + scrollbar_spacing));
+ allocation->width = MAX (1, allocation->width - (sb_width + sb_spacing));
}
if (priv->hscrollbar_visible)
{
- GtkRequisition hscrollbar_requisition;
-
- gtk_size_request_get_size (GTK_SIZE_REQUEST (priv->hscrollbar),
- &hscrollbar_requisition, NULL);
if (priv->real_window_placement == GTK_CORNER_BOTTOM_LEFT ||
priv->real_window_placement == GTK_CORNER_BOTTOM_RIGHT)
- allocation->y += (hscrollbar_requisition.height + scrollbar_spacing);
+ allocation->y += (sb_height + sb_spacing);
- allocation->height = MAX (1, allocation->height - (hscrollbar_requisition.height + scrollbar_spacing));
+ allocation->height = MAX (1, allocation->height - (sb_height + sb_spacing));
}
}
+static void
+gtk_scrolled_window_allocate_child (GtkScrolledWindow *swindow,
+ GtkAllocation *relative_allocation)
+{
+ GtkWidget *widget = GTK_WIDGET (swindow), *child;
+ GtkAllocation allocation;
+ GtkAllocation child_allocation;
+
+ child = gtk_bin_get_child (GTK_BIN (widget));
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ gtk_scrolled_window_relative_allocation (widget, relative_allocation);
+ child_allocation.x = relative_allocation->x + allocation.x;
+ child_allocation.y = relative_allocation->y + allocation.y;
+ child_allocation.width = relative_allocation->width;
+ child_allocation.height = relative_allocation->height;
+
+ gtk_widget_size_allocate (child, &child_allocation);
+}
+
static void
gtk_scrolled_window_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkScrolledWindow *scrolled_window;
GtkScrolledWindowPrivate *priv;
- GtkStyle *style;
+ GtkStyleContext *context;
+ GtkStateFlags state;
+ GtkBorder padding, border;
GtkBin *bin;
GtkAllocation relative_allocation;
GtkAllocation child_allocation;
GtkWidget *child;
gboolean scrollbars_within_bevel;
- gint scrollbar_spacing;
- guint border_width;
-
+ gint sb_spacing;
+ gint sb_width;
+ gint sb_height;
+
g_return_if_fail (GTK_IS_SCROLLED_WINDOW (widget));
g_return_if_fail (allocation != NULL);
bin = GTK_BIN (scrolled_window);
priv = scrolled_window->priv;
- scrollbar_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
+ /* Get possible scrollbar dimensions */
+ sb_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
+ gtk_widget_get_preferred_height (priv->hscrollbar, &sb_height, NULL);
+ gtk_widget_get_preferred_width (priv->vscrollbar, &sb_width, NULL);
- style = gtk_widget_get_style (widget);
- gtk_widget_style_get (widget, "scrollbars-within-bevel", &scrollbars_within_bevel, NULL);
+ context = gtk_widget_get_style_context (widget);
+ state = gtk_widget_get_state_flags (widget);
- border_width = gtk_container_get_border_width (GTK_CONTAINER (scrolled_window));
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME);
+
+ gtk_style_context_get_padding (context, state, &padding);
+ gtk_style_context_get_border (context, state, &border);
+
+ gtk_widget_style_get (widget, "scrollbars-within-bevel", &scrollbars_within_bevel, NULL);
gtk_widget_set_allocation (widget, allocation);
+ gtk_style_context_restore (context);
+
if (priv->hscrollbar_policy == GTK_POLICY_ALWAYS)
priv->hscrollbar_visible = TRUE;
else if (priv->hscrollbar_policy == GTK_POLICY_NEVER)
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
+ gint child_scroll_width;
+ gint child_scroll_height;
gboolean previous_hvis;
gboolean previous_vvis;
guint count = 0;
-
- do
+
+ /* Determine scrollbar visibility first via hfw apis */
+ if (gtk_widget_get_request_mode (child) == GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH)
{
- gtk_scrolled_window_relative_allocation (widget, &relative_allocation);
+ if (gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM)
+ gtk_widget_get_preferred_width (child, &child_scroll_width, NULL);
+ else
+ gtk_widget_get_preferred_width (child, NULL, &child_scroll_width);
- child_allocation.x = relative_allocation.x + allocation->x;
- child_allocation.y = relative_allocation.y + allocation->y;
- child_allocation.width = relative_allocation.width;
- child_allocation.height = relative_allocation.height;
+ if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC)
+ {
+ /* First try without a vertical scrollbar if the content will fit the height
+ * given the extra width of the scrollbar */
+ if (gtk_scrollable_get_vscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM)
+ gtk_widget_get_preferred_height_for_width (child,
+ MAX (allocation->width, child_scroll_width),
+ &child_scroll_height, NULL);
+ else
+ gtk_widget_get_preferred_height_for_width (child,
+ MAX (allocation->width, child_scroll_width),
+ NULL, &child_scroll_height);
+
+ if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC)
+ {
+ /* Does the content height fit the allocation height ? */
+ priv->vscrollbar_visible = child_scroll_height > allocation->height;
+
+ /* Does the content width fit the allocation with minus a possible scrollbar ? */
+ priv->hscrollbar_visible =
+ child_scroll_width > allocation->width -
+ (priv->vscrollbar_visible ? sb_width + sb_spacing : 0);
+
+ /* Now that we've guessed the hscrollbar, does the content height fit
+ * the possible new allocation height ? */
+ priv->vscrollbar_visible =
+ child_scroll_height > allocation->height -
+ (priv->hscrollbar_visible ? sb_height + sb_spacing : 0);
+
+ /* Now that we've guessed the vscrollbar, does the content width fit
+ * the possible new allocation width ? */
+ priv->hscrollbar_visible =
+ child_scroll_width > allocation->width -
+ (priv->vscrollbar_visible ? sb_width + sb_spacing : 0);
+ }
+ else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */
+ {
+ priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER;
+ priv->vscrollbar_visible = child_scroll_height > allocation->height -
+ (priv->hscrollbar_visible ? sb_height + sb_spacing : 0);
+ }
+ }
+ else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */
+ {
+ priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER;
+
+ if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC)
+ priv->hscrollbar_visible =
+ child_scroll_width > allocation->width -
+ (priv->vscrollbar_visible ? 0 : sb_width + sb_spacing);
+ else
+ priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER;
+ }
+ }
+ else /* GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT */
+ {
+ if (gtk_scrollable_get_vscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM)
+ gtk_widget_get_preferred_height (child, &child_scroll_height, NULL);
+ else
+ gtk_widget_get_preferred_height (child, NULL, &child_scroll_height);
+
+ if (priv->hscrollbar_policy == GTK_POLICY_AUTOMATIC)
+ {
+ /* First try without a horizontal scrollbar if the content will fit the width
+ * given the extra height of the scrollbar */
+ if (gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (child)) == GTK_SCROLL_MINIMUM)
+ gtk_widget_get_preferred_width_for_height (child,
+ MAX (allocation->height, child_scroll_height),
+ &child_scroll_width, NULL);
+ else
+ gtk_widget_get_preferred_width_for_height (child,
+ MAX (allocation->height, child_scroll_height),
+ NULL, &child_scroll_width);
+
+ if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC)
+ {
+ /* Does the content width fit the allocation width ? */
+ priv->hscrollbar_visible = child_scroll_width > allocation->width;
+
+ /* Does the content height fit the allocation with minus a possible scrollbar ? */
+ priv->vscrollbar_visible =
+ child_scroll_height > allocation->height -
+ (priv->hscrollbar_visible ? sb_height + sb_spacing : 0);
+
+ /* Now that we've guessed the vscrollbar, does the content width fit
+ * the possible new allocation width ? */
+ priv->hscrollbar_visible =
+ child_scroll_width > allocation->width -
+ (priv->vscrollbar_visible ? sb_width + sb_spacing : 0);
+
+ /* Now that we've guessed the hscrollbar, does the content height fit
+ * the possible new allocation height ? */
+ priv->vscrollbar_visible =
+ child_scroll_height > allocation->height -
+ (priv->hscrollbar_visible ? sb_height + sb_spacing : 0);
+ }
+ else /* priv->vscrollbar_policy != GTK_POLICY_AUTOMATIC */
+ {
+ priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER;
+ priv->hscrollbar_visible = child_scroll_width > allocation->width -
+ (priv->vscrollbar_visible ? sb_width + sb_spacing : 0);
+ }
+ }
+ else /* priv->hscrollbar_policy != GTK_POLICY_AUTOMATIC */
+ {
+ priv->hscrollbar_visible = priv->hscrollbar_policy != GTK_POLICY_NEVER;
+
+ if (priv->vscrollbar_policy == GTK_POLICY_AUTOMATIC)
+ priv->vscrollbar_visible =
+ child_scroll_height > allocation->height -
+ (priv->hscrollbar_visible ? 0 : sb_height + sb_spacing);
+ else
+ priv->vscrollbar_visible = priv->vscrollbar_policy != GTK_POLICY_NEVER;
+ }
+ }
+ /* Now after guessing scrollbar visibility; fall back on the allocation loop which
+ * observes the adjustments to detect scrollbar visibility and also avoids
+ * infinite recursion
+ */
+ do
+ {
previous_hvis = priv->hscrollbar_visible;
previous_vvis = priv->vscrollbar_visible;
+ gtk_scrolled_window_allocate_child (scrolled_window, &relative_allocation);
- gtk_widget_size_allocate (child, &child_allocation);
+ /* Explicitly force scrollbar visibility checks.
+ *
+ * Since we make a guess above, the child might not decide to update the adjustments
+ * if they logically did not change since the last configuration
+ */
+ if (priv->hscrollbar)
+ gtk_scrolled_window_adjustment_changed
+ (gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar)), scrolled_window);
+
+ if (priv->vscrollbar)
+ gtk_scrolled_window_adjustment_changed
+ (gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar)), scrolled_window);
/* If, after the first iteration, the hscrollbar and the
- * vscrollbar flip visiblity, then we need both.
+ * vscrollbar flip visiblity... or if one of the scrollbars flip
+ * on each itteration indefinitly/infinitely, then we just need both
+ * at this size.
*/
- if (count &&
- previous_hvis != priv->hscrollbar_visible &&
- previous_vvis != priv->vscrollbar_visible)
+ if ((count &&
+ previous_hvis != priv->hscrollbar_visible &&
+ previous_vvis != priv->vscrollbar_visible) || count > 3)
{
priv->hscrollbar_visible = TRUE;
priv->vscrollbar_visible = TRUE;
- /* a new resize is already queued at this point,
- * so we will immediatedly get reinvoked
- */
- return;
+ gtk_scrolled_window_allocate_child (scrolled_window, &relative_allocation);
+
+ break;
}
count++;
if (priv->hscrollbar_visible)
{
- GtkRequisition hscrollbar_requisition;
-
- gtk_size_request_get_size (GTK_SIZE_REQUEST (priv->hscrollbar),
- &hscrollbar_requisition, NULL);
-
if (!gtk_widget_get_visible (priv->hscrollbar))
gtk_widget_show (priv->hscrollbar);
priv->real_window_placement == GTK_CORNER_TOP_RIGHT)
child_allocation.y = (relative_allocation.y +
relative_allocation.height +
- scrollbar_spacing +
+ sb_spacing +
(priv->shadow_type == GTK_SHADOW_NONE ?
- 0 : style->ythickness));
+ 0 : padding.top + border.top));
else
- child_allocation.y = border_width;
+ child_allocation.y = 0;
child_allocation.width = relative_allocation.width;
- child_allocation.height = hscrollbar_requisition.height;
+ child_allocation.height = sb_height;
child_allocation.x += allocation->x;
child_allocation.y += allocation->y;
{
if (!scrollbars_within_bevel)
{
- child_allocation.x -= style->xthickness;
- child_allocation.width += 2 * style->xthickness;
+ child_allocation.x -= padding.left + border.left;
+ child_allocation.width += padding.left + padding.right + border.left + border.right;
}
else if (GTK_CORNER_TOP_RIGHT == priv->real_window_placement ||
GTK_CORNER_TOP_LEFT == priv->real_window_placement)
{
- child_allocation.y -= style->ythickness;
+ child_allocation.y -= padding.top + border.top;
}
else
{
- child_allocation.y += style->ythickness;
+ child_allocation.y += padding.top + border.top;
}
}
if (priv->vscrollbar_visible)
{
- GtkRequisition vscrollbar_requisition;
if (!gtk_widget_get_visible (priv->vscrollbar))
gtk_widget_show (priv->vscrollbar);
- gtk_size_request_get_size (GTK_SIZE_REQUEST (priv->vscrollbar),
- &vscrollbar_requisition, NULL);
-
if ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
(priv->real_window_placement == GTK_CORNER_TOP_RIGHT ||
priv->real_window_placement == GTK_CORNER_BOTTOM_RIGHT)) ||
priv->real_window_placement == GTK_CORNER_BOTTOM_LEFT)))
child_allocation.x = (relative_allocation.x +
relative_allocation.width +
- scrollbar_spacing +
+ sb_spacing +
(priv->shadow_type == GTK_SHADOW_NONE ?
- 0 : style->xthickness));
+ 0 : padding.left + border.left));
else
- child_allocation.x = border_width;
+ child_allocation.x = 0;
child_allocation.y = relative_allocation.y;
- child_allocation.width = vscrollbar_requisition.width;
+ child_allocation.width = sb_width;
child_allocation.height = relative_allocation.height;
child_allocation.x += allocation->x;
child_allocation.y += allocation->y;
{
if (!scrollbars_within_bevel)
{
- child_allocation.y -= style->ythickness;
- child_allocation.height += 2 * style->ythickness;
+ child_allocation.y -= padding.top + border.top;
+ child_allocation.height += padding.top + padding.bottom + border.top + border.bottom;
}
else if (GTK_CORNER_BOTTOM_LEFT == priv->real_window_placement ||
GTK_CORNER_TOP_LEFT == priv->real_window_placement)
{
- child_allocation.x -= style->xthickness;
+ child_allocation.x -= padding.left + border.left;
}
else
{
- child_allocation.x += style->xthickness;
+ child_allocation.x += padding.left + border.left;
}
}
if (range && gtk_widget_get_visible (range))
{
- GtkAdjustment *adj = gtk_range_get_adjustment (GTK_RANGE (range));
+ GtkAdjustment *adjustment = gtk_range_get_adjustment (GTK_RANGE (range));
gdouble delta;
delta = _gtk_range_get_wheel_delta (GTK_RANGE (range), event->direction);
- gtk_adjustment_set_value (adj, adj->value + delta);
+ gtk_adjustment_set_value (adjustment, gtk_adjustment_get_value (adjustment) + delta);
return TRUE;
}
gtk_scrolled_window_adjustment_changed (GtkAdjustment *adjustment,
gpointer data)
{
- GtkScrolledWindowPrivate *priv;;
+ GtkScrolledWindowPrivate *priv;
GtkScrolledWindow *scrolled_window;
g_return_if_fail (adjustment != NULL);
gboolean visible;
visible = priv->hscrollbar_visible;
- priv->hscrollbar_visible = (adjustment->upper - adjustment->lower >
- adjustment->page_size);
+ priv->hscrollbar_visible = (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment) >
+ gtk_adjustment_get_page_size (adjustment));
+
if (priv->hscrollbar_visible != visible)
gtk_widget_queue_resize (GTK_WIDGET (scrolled_window));
}
gboolean visible;
visible = priv->vscrollbar_visible;
- priv->vscrollbar_visible = (adjustment->upper - adjustment->lower >
- adjustment->page_size);
+ priv->vscrollbar_visible = (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment) >
+ gtk_adjustment_get_page_size (adjustment));
+
if (priv->vscrollbar_visible != visible)
gtk_widget_queue_resize (GTK_WIDGET (scrolled_window));
}
static void
gtk_scrolled_window_add (GtkContainer *container,
- GtkWidget *child)
+ GtkWidget *child)
{
GtkScrolledWindowPrivate *priv;
GtkScrolledWindow *scrolled_window;
GtkBin *bin;
GtkWidget *child_widget;
+ GtkAdjustment *hadj, *vadj;
bin = GTK_BIN (container);
child_widget = gtk_bin_get_child (bin);
_gtk_bin_set_child (bin, child);
gtk_widget_set_parent (child, GTK_WIDGET (bin));
- /* this is a temporary message */
- if (!gtk_widget_set_scroll_adjustments (child,
- gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar)),
- gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar))))
+ hadj = gtk_range_get_adjustment (GTK_RANGE (priv->hscrollbar));
+ vadj = gtk_range_get_adjustment (GTK_RANGE (priv->vscrollbar));
+
+ if (GTK_IS_SCROLLABLE (child))
+ g_object_set (child, "hadjustment", hadj, "vadjustment", vadj, NULL);
+ else
g_warning ("gtk_scrolled_window_add(): cannot add non scrollable widget "
- "use gtk_scrolled_window_add_with_viewport() instead");
+ "use gtk_scrolled_window_add_with_viewport() instead");
}
static void
g_return_if_fail (GTK_IS_SCROLLED_WINDOW (container));
g_return_if_fail (child != NULL);
g_return_if_fail (gtk_bin_get_child (GTK_BIN (container)) == child);
-
- gtk_widget_set_scroll_adjustments (child, NULL, NULL);
+
+ g_object_set (child, "hadjustment", NULL, "vadjustment", NULL, NULL);
/* chain parent class handler to remove child */
GTK_CONTAINER_CLASS (gtk_scrolled_window_parent_class)->remove (container, child);
* widgets with native scrolling support should not be used with the
* #GtkViewport proxy.
*
- * A widget supports scrolling natively if the
- * set_scroll_adjustments_signal field in #GtkWidgetClass is non-zero,
- * i.e. has been filled in with a valid signal identifier.
+ * A widget supports scrolling natively if it implements the
+ * #GtkScrollable interface.
*/
void
gtk_scrolled_window_add_with_viewport (GtkScrolledWindow *scrolled_window,
{
viewport =
gtk_viewport_new (gtk_scrolled_window_get_hadjustment (scrolled_window),
- gtk_scrolled_window_get_vadjustment (scrolled_window));
+ gtk_scrolled_window_get_vadjustment (scrolled_window));
gtk_container_add (GTK_CONTAINER (scrolled_window), viewport);
}
static void
-gtk_scrolled_window_size_request_init (GtkSizeRequestIface *iface)
-{
- iface->get_width = gtk_scrolled_window_get_width;
- iface->get_height = gtk_scrolled_window_get_height;
- iface->get_height_for_width = gtk_scrolled_window_get_height_for_width;
- iface->get_width_for_height = gtk_scrolled_window_get_width_for_height;
-}
-
-static void
-gtk_scrolled_window_get_size (GtkSizeRequest *widget,
- GtkOrientation orientation,
- gint *minimum_size,
- gint *natural_size)
+gtk_scrolled_window_get_preferred_size (GtkWidget *widget,
+ GtkOrientation orientation,
+ gint *minimum_size,
+ gint *natural_size)
{
GtkScrolledWindow *scrolled_window = GTK_SCROLLED_WINDOW (widget);
GtkScrolledWindowPrivate *priv = scrolled_window->priv;
GtkRequisition hscrollbar_requisition;
GtkRequisition vscrollbar_requisition;
GtkRequisition minimum_req, natural_req;
- GtkStyle *style;
GtkWidget *child;
gint min_child_size, nat_child_size;
- guint border_width;
scrollbar_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
natural_req.width = 0;
natural_req.height = 0;
- gtk_size_request_get_size (GTK_SIZE_REQUEST (priv->hscrollbar),
- &hscrollbar_requisition, NULL);
- gtk_size_request_get_size (GTK_SIZE_REQUEST (priv->vscrollbar),
- &vscrollbar_requisition, NULL);
+ gtk_widget_get_preferred_size (priv->hscrollbar,
+ &hscrollbar_requisition, NULL);
+ gtk_widget_get_preferred_size (priv->vscrollbar,
+ &vscrollbar_requisition, NULL);
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
- gtk_size_request_get_width (GTK_SIZE_REQUEST (child),
- &min_child_size,
- &nat_child_size);
+ gtk_widget_get_preferred_width (child,
+ &min_child_size,
+ &nat_child_size);
if (priv->hscrollbar_policy == GTK_POLICY_NEVER)
{
}
else
{
- GtkWidgetAuxInfo *aux_info = _gtk_widget_get_aux_info (child, FALSE);
-
- if (aux_info && aux_info->width > 0)
+ gint min_content_width = priv->min_content_width;
+
+ if (min_content_width >= 0)
{
- minimum_req.width += aux_info->width;
- natural_req.width += aux_info->width;
+ minimum_req.width = MAX (minimum_req.width, min_content_width);
+ natural_req.width = MAX (natural_req.width, min_content_width);
extra_width = -1;
}
else
}
else /* GTK_ORIENTATION_VERTICAL */
{
- gtk_size_request_get_height (GTK_SIZE_REQUEST (child),
- &min_child_size,
- &nat_child_size);
+ gtk_widget_get_preferred_height (child,
+ &min_child_size,
+ &nat_child_size);
if (priv->vscrollbar_policy == GTK_POLICY_NEVER)
{
}
else
{
- GtkWidgetAuxInfo *aux_info = _gtk_widget_get_aux_info (child, FALSE);
-
- if (aux_info && aux_info->height > 0)
+ gint min_content_height = priv->min_content_height;
+
+ if (min_content_height >= 0)
{
- minimum_req.height += aux_info->height;
- natural_req.height += aux_info->height;
+ minimum_req.height = MAX (minimum_req.height, min_content_height);
+ natural_req.height = MAX (natural_req.height, min_content_height);
extra_height = -1;
}
else
{
- minimum_req.height += hscrollbar_requisition.height;
- natural_req.height += hscrollbar_requisition.height;
+ minimum_req.height += vscrollbar_requisition.height;
+ natural_req.height += vscrollbar_requisition.height;
}
}
}
{
minimum_req.height = MAX (minimum_req.height, vscrollbar_requisition.height);
natural_req.height = MAX (natural_req.height, vscrollbar_requisition.height);
- if (!extra_height || priv->vscrollbar_policy == GTK_POLICY_ALWAYS)
+ if (!extra_width || priv->vscrollbar_policy == GTK_POLICY_ALWAYS)
extra_width = scrollbar_spacing + vscrollbar_requisition.width;
}
- border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
- minimum_req.width += border_width * 2 + MAX (0, extra_width);
- minimum_req.height += border_width * 2 + MAX (0, extra_height);
- natural_req.width += border_width * 2 + MAX (0, extra_width);
- natural_req.height += border_width * 2 + MAX (0, extra_height);
+ minimum_req.width += MAX (0, extra_width);
+ minimum_req.height += MAX (0, extra_height);
+ natural_req.width += MAX (0, extra_width);
+ natural_req.height += MAX (0, extra_height);
if (priv->shadow_type != GTK_SHADOW_NONE)
{
- style = gtk_widget_get_style (GTK_WIDGET (widget));
- minimum_req.width += 2 * style->xthickness;
- minimum_req.height += 2 * style->ythickness;
- natural_req.width += 2 * style->xthickness;
- natural_req.height += 2 * style->ythickness;
+ GtkStyleContext *context;
+ GtkStateFlags state;
+ GtkBorder padding, border;
+
+ context = gtk_widget_get_style_context (GTK_WIDGET (widget));
+ state = gtk_widget_get_state_flags (GTK_WIDGET (widget));
+
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME);
+
+ gtk_style_context_get_padding (context, state, &padding);
+ gtk_style_context_get_border (context, state, &border);
+
+ minimum_req.width += padding.left + padding.right + border.left + border.right;
+ minimum_req.height += padding.top + padding.bottom + border.top + border.bottom;
+ natural_req.width += padding.left + padding.right + border.left + border.right;
+ natural_req.height += padding.top + padding.bottom + border.top + border.bottom;
+
+ gtk_style_context_restore (context);
}
if (orientation == GTK_ORIENTATION_HORIZONTAL)
}
static void
-gtk_scrolled_window_get_width (GtkSizeRequest *widget,
- gint *minimum_size,
- gint *natural_size)
+gtk_scrolled_window_get_preferred_width (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
{
- gtk_scrolled_window_get_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size);
+ gtk_scrolled_window_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size);
}
static void
-gtk_scrolled_window_get_height (GtkSizeRequest *widget,
- gint *minimum_size,
- gint *natural_size)
+gtk_scrolled_window_get_preferred_height (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
{
- gtk_scrolled_window_get_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size);
+ gtk_scrolled_window_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size);
}
static void
-gtk_scrolled_window_get_height_for_width (GtkSizeRequest *widget,
- gint width,
- gint *minimum_height,
- gint *natural_height)
+gtk_scrolled_window_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height)
{
g_return_if_fail (GTK_IS_WIDGET (widget));
- GTK_SIZE_REQUEST_GET_IFACE (widget)->get_height (widget, minimum_height, natural_height);
+ GTK_WIDGET_GET_CLASS (widget)->get_preferred_height (widget, minimum_height, natural_height);
}
static void
-gtk_scrolled_window_get_width_for_height (GtkSizeRequest *widget,
- gint height,
- gint *minimum_width,
- gint *natural_width)
+gtk_scrolled_window_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width)
{
g_return_if_fail (GTK_IS_WIDGET (widget));
- GTK_SIZE_REQUEST_GET_IFACE (widget)->get_width (widget, minimum_width, natural_width);
+ GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, minimum_width, natural_width);
+}
+
+/**
+ * gtk_scrolled_window_get_min_content_width:
+ * @scrolled_window: a #GtkScrolledWindow
+ *
+ * Gets the minimum content width of @scrolled_window, or -1 if not set.
+ *
+ * Returns: the minimum content width
+ *
+ * Since: 3.0
+ */
+gint
+gtk_scrolled_window_get_min_content_width (GtkScrolledWindow *scrolled_window)
+{
+ g_return_val_if_fail (GTK_IS_SCROLLED_WINDOW (scrolled_window), 0);
+
+ return scrolled_window->priv->min_content_width;
+}
+
+/**
+ * gtk_scrolled_window_set_min_content_width:
+ * @scrolled_window: a #GtkScrolledWindow
+ * @width: the minimal content width
+ *
+ * Sets the minimum width that @scrolled_window should keep visible.
+ * Note that this can and (usually will) be smaller than the minimum
+ * size of the content.
+ *
+ * Since: 3.0
+ */
+void
+gtk_scrolled_window_set_min_content_width (GtkScrolledWindow *scrolled_window,
+ gint width)
+{
+ GtkScrolledWindowPrivate *priv;
+
+ g_return_if_fail (GTK_IS_SCROLLED_WINDOW (scrolled_window));
+
+ priv = scrolled_window->priv;
+
+ if (priv->min_content_width != width)
+ {
+ priv->min_content_width = width;
+
+ gtk_widget_queue_resize (GTK_WIDGET (scrolled_window));
+
+ g_object_notify (G_OBJECT (scrolled_window), "min-content-width");
+ }
+}
+
+/**
+ * gtk_scrolled_window_get_min_content_height:
+ * @scrolled_window: a #GtkScrolledWindow
+ *
+ * Gets the minimal content height of @scrolled_window, or -1 if not set.
+ *
+ * Returns: the minimal content height
+ *
+ * Since: 3.0
+ */
+gint
+gtk_scrolled_window_get_min_content_height (GtkScrolledWindow *scrolled_window)
+{
+ g_return_val_if_fail (GTK_IS_SCROLLED_WINDOW (scrolled_window), 0);
+
+ return scrolled_window->priv->min_content_height;
+}
+
+/**
+ * gtk_scrolled_window_set_min_content_height:
+ * @scrolled_window: a #GtkScrolledWindow
+ * @height: the minimal content height
+ *
+ * Sets the minimum height that @scrolled_window should keep visible.
+ * Note that this can and (usually will) be smaller than the minimum
+ * size of the content.
+ *
+ * Since: 3.0
+ */
+void
+gtk_scrolled_window_set_min_content_height (GtkScrolledWindow *scrolled_window,
+ gint height)
+{
+ GtkScrolledWindowPrivate *priv;
+
+ g_return_if_fail (GTK_IS_SCROLLED_WINDOW (scrolled_window));
+
+ priv = scrolled_window->priv;
+
+ if (priv->min_content_height != height)
+ {
+ priv->min_content_height = height;
+
+ gtk_widget_queue_resize (GTK_WIDGET (scrolled_window));
+
+ g_object_notify (G_OBJECT (scrolled_window), "min-content-height");
+ }
}
projects / ~andy / gtk / blobdiff