X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkframe.c;h=9b81631394c455e6d3adefe903861ab7a14d012c;hb=5e2c23214564f7dcc687fa8467020eeb6b9407a9;hp=b2945c5ef47baea86ad4cdceca421fafd460d129;hpb=27bc88f7c2269ac750504c7fe6c7c02c43183149;p=~andy%2Fgtk diff --git a/gtk/gtkframe.c b/gtk/gtkframe.c index b2945c5ef..9b8163139 100644 --- a/gtk/gtkframe.c +++ b/gtk/gtkframe.c @@ -12,9 +12,7 @@ * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library. If not, see . */ /* @@ -29,9 +27,49 @@ #include "gtkframe.h" #include "gtklabel.h" #include "gtkprivate.h" +#include "gtktypebuiltins.h" #include "gtkintl.h" #include "gtkbuildable.h" -#include "gtksizerequest.h" +#include "gtkwidgetpath.h" + +#include "a11y/gtkframeaccessible.h" + +/** + * SECTION:gtkframe + * @Short_description: A bin with a decorative frame and optional label + * @Title: GtkFrame + * + * The frame widget is a Bin that surrounds its child + * with a decorative frame and an optional label. + * If present, the label is drawn in a gap in the + * top side of the frame. The position of the + * label can be controlled with gtk_frame_set_label_align(). + * + * + * GtkFrame as GtkBuildable + * + * The GtkFrame implementation of the GtkBuildable interface + * supports placing a child in the label position by specifying + * "label" as the "type" attribute of a <child> element. + * A normal content child can be specified without specifying + * a <child> type attribute. + * + * + * A UI definition fragment with GtkFrame + * + * + * + * + * + * + * + * + * ]]> + * + * + */ + #define LABEL_PAD 1 #define LABEL_SIDE_PAD 2 @@ -67,10 +105,8 @@ static void gtk_frame_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec); -static void gtk_frame_paint (GtkWidget *widget, - GdkRectangle *area); -static gint gtk_frame_expose (GtkWidget *widget, - GdkEventExpose *event); +static gboolean gtk_frame_draw (GtkWidget *widget, + cairo_t *cr); static void gtk_frame_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_frame_remove (GtkContainer *container, @@ -79,6 +115,8 @@ static void gtk_frame_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); +static GtkWidgetPath * gtk_frame_get_path_for_child (GtkContainer *container, + GtkWidget *child); static void gtk_frame_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation); @@ -92,18 +130,17 @@ static void gtk_frame_buildable_add_child (GtkBuildable *buildable, GObject *child, const gchar *type); -static void gtk_frame_size_request_init (GtkSizeRequestIface *iface); -static void gtk_frame_get_width (GtkSizeRequest *widget, +static void gtk_frame_get_preferred_width (GtkWidget *widget, gint *minimum_size, gint *natural_size); -static void gtk_frame_get_height (GtkSizeRequest *widget, +static void gtk_frame_get_preferred_height (GtkWidget *widget, gint *minimum_size, gint *natural_size); -static void gtk_frame_get_height_for_width (GtkSizeRequest *layout, +static void gtk_frame_get_preferred_height_for_width(GtkWidget *layout, gint width, gint *minimum_height, gint *natural_height); -static void gtk_frame_get_width_for_height (GtkSizeRequest *layout, +static void gtk_frame_get_preferred_width_for_height(GtkWidget *layout, gint width, gint *minimum_height, gint *natural_height); @@ -111,9 +148,7 @@ static void gtk_frame_get_width_for_height (GtkSizeRequest *layout G_DEFINE_TYPE_WITH_CODE (GtkFrame, gtk_frame, GTK_TYPE_BIN, G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, - gtk_frame_buildable_init) - G_IMPLEMENT_INTERFACE (GTK_TYPE_SIZE_REQUEST, - gtk_frame_size_request_init)) + gtk_frame_buildable_init)) static void gtk_frame_class_init (GtkFrameClass *class) @@ -172,15 +207,22 @@ gtk_frame_class_init (GtkFrameClass *class) GTK_TYPE_WIDGET, GTK_PARAM_READWRITE)); - widget_class->expose_event = gtk_frame_expose; - widget_class->size_allocate = gtk_frame_size_allocate; + widget_class->draw = gtk_frame_draw; + widget_class->size_allocate = gtk_frame_size_allocate; + widget_class->get_preferred_width = gtk_frame_get_preferred_width; + widget_class->get_preferred_height = gtk_frame_get_preferred_height; + widget_class->get_preferred_height_for_width = gtk_frame_get_preferred_height_for_width; + widget_class->get_preferred_width_for_height = gtk_frame_get_preferred_width_for_height; container_class->remove = gtk_frame_remove; container_class->forall = gtk_frame_forall; + container_class->get_path_for_child = gtk_frame_get_path_for_child; class->compute_child_allocation = gtk_frame_real_compute_child_allocation; g_type_class_add_private (class, sizeof (GtkFramePrivate)); + + gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_FRAME_ACCESSIBLE); } static void @@ -207,6 +249,7 @@ static void gtk_frame_init (GtkFrame *frame) { GtkFramePrivate *priv; + GtkStyleContext *context; frame->priv = G_TYPE_INSTANCE_GET_PRIVATE (frame, GTK_TYPE_FRAME, @@ -217,6 +260,9 @@ gtk_frame_init (GtkFrame *frame) priv->shadow_type = GTK_SHADOW_ETCHED_IN; priv->label_xalign = 0.0; priv->label_yalign = 0.5; + + context = gtk_widget_get_style_context (GTK_WIDGET (frame)); + gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); } static void @@ -334,6 +380,23 @@ gtk_frame_forall (GtkContainer *container, (* callback) (priv->label_widget, callback_data); } +static GtkWidgetPath * +gtk_frame_get_path_for_child (GtkContainer *container, + GtkWidget *child) +{ + GtkFramePrivate *priv = GTK_FRAME (container)->priv; + GtkWidgetPath *path; + + path = GTK_CONTAINER_CLASS (gtk_frame_parent_class)->get_path_for_child (container, child); + + if (child == priv->label_widget) + gtk_widget_path_iter_add_class (path, + gtk_widget_path_length (path) - 2, + GTK_STYLE_CLASS_FRAME); + + return path; +} + /** * gtk_frame_set_label: * @frame: a #GtkFrame @@ -375,7 +438,7 @@ gtk_frame_set_label (GtkFrame *frame, * a #GtkLabel. This string is owned by GTK+ and * must not be modified or freed. **/ -G_CONST_RETURN gchar * +const gchar * gtk_frame_get_label (GtkFrame *frame) { GtkFramePrivate *priv; @@ -504,8 +567,10 @@ gtk_frame_set_label_align (GtkFrame *frame, /** * gtk_frame_get_label_align: * @frame: a #GtkFrame - * @xalign: (allow-none): location to store X alignment of frame's label, or %NULL - * @yalign: (allow-none): location to store X alignment of frame's label, or %NULL + * @xalign: (out) (allow-none): location to store X alignment of + * frame's label, or %NULL + * @yalign: (out) (allow-none): location to store X alignment of + * frame's label, or %NULL * * Retrieves the X and Y alignment of the frame's label. See * gtk_frame_set_label_align(). @@ -578,80 +643,96 @@ gtk_frame_get_shadow_type (GtkFrame *frame) } static void -gtk_frame_paint (GtkWidget *widget, - GdkRectangle *area) +get_padding_and_border (GtkFrame *frame, + GtkBorder *border) { - GtkFrame *frame; - GtkFramePrivate *priv; - GtkStateType state; - GtkStyle *style; - GdkWindow *window; - gint x, y, width, height; + GtkStyleContext *context; + GtkStateFlags state; - if (gtk_widget_is_drawable (widget)) - { - frame = GTK_FRAME (widget); - priv = frame->priv; + context = gtk_widget_get_style_context (GTK_WIDGET (frame)); + state = gtk_widget_get_state_flags (GTK_WIDGET (frame)); - style = gtk_widget_get_style (widget); - window = gtk_widget_get_window (widget); - state = gtk_widget_get_state (widget); + gtk_style_context_get_padding (context, state, border); - x = priv->child_allocation.x - style->xthickness; - y = priv->child_allocation.y - style->ythickness; - width = priv->child_allocation.width + 2 * style->xthickness; - height = priv->child_allocation.height + 2 * style->ythickness; + if (frame->priv->shadow_type != GTK_SHADOW_NONE) + { + GtkBorder tmp; - if (priv->label_widget) - { - gfloat xalign; - gint height_extra; - gint x2; - - if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) - xalign = priv->label_xalign; - else - xalign = 1 - priv->label_xalign; - - height_extra = MAX (0, priv->label_allocation.height - style->ythickness) - - priv->label_yalign * priv->label_allocation.height; - y -= height_extra; - height += height_extra; - - x2 = style->xthickness + (priv->child_allocation.width - priv->label_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD; - /* If the label is completely over or under the frame we can omit the gap */ - if (priv->label_yalign == 0.0 || priv->label_yalign == 1.0) - gtk_paint_shadow (style, window, - state, priv->shadow_type, - area, widget, "frame", - x, y, width, height); - else - gtk_paint_shadow_gap (style, window, - state, priv->shadow_type, - area, widget, "frame", - x, y, width, height, - GTK_POS_TOP, - x2, priv->label_allocation.width + 2 * LABEL_PAD); - } - else - gtk_paint_shadow (style, window, - state, priv->shadow_type, - area, widget, "frame", - x, y, width, height); + gtk_style_context_get_border (context, state, &tmp); + border->top += tmp.top; + border->right += tmp.right; + border->bottom += tmp.bottom; + border->left += tmp.left; } } static gboolean -gtk_frame_expose (GtkWidget *widget, - GdkEventExpose *event) +gtk_frame_draw (GtkWidget *widget, + cairo_t *cr) { - if (gtk_widget_is_drawable (widget)) - { - gtk_frame_paint (widget, &event->area); + GtkFrame *frame; + GtkFramePrivate *priv; + GtkStyleContext *context; + gint x, y, width, height; + GtkAllocation allocation; + GtkBorder padding; + + frame = GTK_FRAME (widget); + priv = frame->priv; - GTK_WIDGET_CLASS (gtk_frame_parent_class)->expose_event (widget, event); + gtk_widget_get_allocation (widget, &allocation); + get_padding_and_border (frame, &padding); + context = gtk_widget_get_style_context (widget); + + x = priv->child_allocation.x - allocation.x - padding.left; + y = priv->child_allocation.y - allocation.y - padding.top; + width = priv->child_allocation.width + padding.left + padding.right; + height = priv->child_allocation.height + padding.top + padding.bottom; + + if (priv->shadow_type != GTK_SHADOW_NONE) + { + if (priv->label_widget) + { + gfloat xalign; + gint height_extra; + gint x2; + + if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) + xalign = priv->label_xalign; + else + xalign = 1 - priv->label_xalign; + + height_extra = MAX (0, priv->label_allocation.height - padding.top) + - priv->label_yalign * priv->label_allocation.height; + y -= height_extra; + height += height_extra; + + x2 = padding.left + (priv->child_allocation.width - priv->label_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD; + + gtk_render_background (context, cr, x, y, width, height); + + /* If the label is completely over or under the frame we can omit the gap */ + if (priv->label_yalign == 0.0 || priv->label_yalign == 1.0) + gtk_render_frame (context, cr, x, y, width, height); + else + gtk_render_frame_gap (context, cr, + x, y, width, height, + GTK_POS_TOP, x2, + x2 + priv->label_allocation.width + 2 * LABEL_PAD); + } + else + { + gtk_render_background (context, cr, x, y, width, height); + gtk_render_frame (context, cr, x, y, width, height); + } + } + else + { + gtk_render_background (context, cr, x, y, width, height); } + GTK_WIDGET_CLASS (gtk_frame_parent_class)->draw (widget, cr); + return FALSE; } @@ -685,23 +766,23 @@ gtk_frame_size_allocate (GtkWidget *widget, if (priv->label_widget && gtk_widget_get_visible (priv->label_widget)) { - GtkStyle *style; + GtkBorder padding; gint nat_width, width, height; gfloat xalign; - style = gtk_widget_get_style (widget); + get_padding_and_border (frame, &padding); if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) xalign = priv->label_xalign; else xalign = 1 - priv->label_xalign; - gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->label_widget), NULL, &nat_width); + gtk_widget_get_preferred_width (priv->label_widget, NULL, &nat_width); width = new_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD; width = MIN (width, nat_width); - gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->label_widget), width, - &height, NULL); + gtk_widget_get_preferred_height_for_width (priv->label_widget, width, + &height, NULL); priv->label_allocation.x = priv->child_allocation.x + LABEL_SIDE_PAD + @@ -709,7 +790,7 @@ gtk_frame_size_allocate (GtkWidget *widget, priv->label_allocation.width = width; - priv->label_allocation.y = priv->child_allocation.y - MAX (height, style->ythickness); + priv->label_allocation.y = priv->child_allocation.y - MAX (height, padding.top); priv->label_allocation.height = height; gtk_widget_size_allocate (priv->label_widget, &priv->label_allocation); @@ -733,55 +814,54 @@ gtk_frame_real_compute_child_allocation (GtkFrame *frame, GtkFramePrivate *priv = frame->priv; GtkWidget *widget = GTK_WIDGET (frame); GtkAllocation allocation; - GtkStyle *style; + GtkBorder padding; gint top_margin; guint border_width; - style = gtk_widget_get_style (widget); - gtk_widget_get_allocation (widget, &allocation); - + get_padding_and_border (frame, &padding); border_width = gtk_container_get_border_width (GTK_CONTAINER (frame)); if (priv->label_widget) { gint nat_width, width, height; - gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->label_widget), NULL, &nat_width); + gtk_widget_get_preferred_width (priv->label_widget, NULL, &nat_width); width = allocation.width; width -= 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; - width -= (border_width + style->xthickness) * 2; + width -= (border_width * 2) + padding.left + padding.right; width = MIN (width, nat_width); - gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->label_widget), width, - &height, NULL); + gtk_widget_get_preferred_height_for_width (priv->label_widget, width, + &height, NULL); - top_margin = MAX (height, style->ythickness); + top_margin = MAX (height, padding.top); } else - top_margin = style->ythickness; + top_margin = padding.top; - child_allocation->x = border_width + style->xthickness; + child_allocation->x = border_width + padding.left; child_allocation->y = border_width + top_margin; - child_allocation->width = MAX (1, (gint) allocation.width - child_allocation->x * 2); - child_allocation->height = MAX (1, ((gint) allocation.height - child_allocation->y - - border_width - (gint) style->ythickness)); + child_allocation->width = MAX (1, (gint) (allocation.width - (border_width * 2) - + padding.left - padding.right)); + child_allocation->height = MAX (1, (gint) (allocation.height - child_allocation->y - + border_width - padding.bottom)); child_allocation->x += allocation.x; child_allocation->y += allocation.y; } static void -gtk_frame_get_size (GtkSizeRequest *request, - GtkOrientation orientation, - gint *minimum_size, - gint *natural_size) +gtk_frame_get_preferred_size (GtkWidget *request, + GtkOrientation orientation, + gint *minimum_size, + gint *natural_size) { GtkFrame *frame = GTK_FRAME (request); GtkFramePrivate *priv = frame->priv; - GtkStyle *style; + GtkBorder padding; GtkWidget *widget = GTK_WIDGET (request); GtkWidget *child; GtkBin *bin = GTK_BIN (widget); @@ -789,23 +869,24 @@ gtk_frame_get_size (GtkSizeRequest *request, gint minimum, natural; guint border_width; - style = gtk_widget_get_style (widget); + get_padding_and_border (frame, &padding); + border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); if (priv->label_widget && gtk_widget_get_visible (priv->label_widget)) { if (orientation == GTK_ORIENTATION_HORIZONTAL) { - gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->label_widget), - &child_min, &child_nat); + gtk_widget_get_preferred_width (priv->label_widget, + &child_min, &child_nat); minimum = child_min + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; natural = child_nat + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; } else { - gtk_size_request_get_height (GTK_SIZE_REQUEST (priv->label_widget), - &child_min, &child_nat); - minimum = MAX (0, child_min - style->ythickness); - natural = MAX (0, child_nat - style->ythickness); + gtk_widget_get_preferred_height (priv->label_widget, + &child_min, &child_nat); + minimum = MAX (0, child_min - padding.top); + natural = MAX (0, child_nat - padding.top); } } else @@ -819,31 +900,29 @@ gtk_frame_get_size (GtkSizeRequest *request, { if (orientation == GTK_ORIENTATION_HORIZONTAL) { - gtk_size_request_get_width (GTK_SIZE_REQUEST (child), - &child_min, &child_nat); + gtk_widget_get_preferred_width (child, + &child_min, &child_nat); minimum = MAX (minimum, child_min); natural = MAX (natural, child_nat); } else { - gtk_size_request_get_height (GTK_SIZE_REQUEST (child), - &child_min, &child_nat); + gtk_widget_get_preferred_height (child, + &child_min, &child_nat); minimum += child_min; natural += child_nat; } } - border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); - if (orientation == GTK_ORIENTATION_HORIZONTAL) { - minimum += (border_width + style->xthickness) * 2; - natural += (border_width + style->xthickness) * 2; + minimum += (border_width * 2) + padding.left + padding.right; + natural += (border_width * 2) + padding.left + padding.right; } else { - minimum += (border_width + style->ythickness) * 2; - natural += (border_width + style->ythickness) * 2; + minimum += (border_width * 2) + padding.top + padding.bottom; + natural += (border_width * 2) + padding.top + padding.bottom; } if (minimum_size) @@ -854,51 +933,51 @@ gtk_frame_get_size (GtkSizeRequest *request, } static void -gtk_frame_get_width (GtkSizeRequest *widget, - gint *minimum_size, - gint *natural_size) +gtk_frame_get_preferred_width (GtkWidget *widget, + gint *minimum_size, + gint *natural_size) { - gtk_frame_get_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size); + gtk_frame_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size); } static void -gtk_frame_get_height (GtkSizeRequest *widget, - gint *minimum_size, - gint *natural_size) +gtk_frame_get_preferred_height (GtkWidget *widget, + gint *minimum_size, + gint *natural_size) { - gtk_frame_get_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size); + gtk_frame_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size); } static void -gtk_frame_get_height_for_width (GtkSizeRequest *request, - gint width, - gint *minimum_height, - gint *natural_height) +gtk_frame_get_preferred_height_for_width (GtkWidget *request, + gint width, + gint *minimum_height, + gint *natural_height) { GtkWidget *widget = GTK_WIDGET (request); GtkWidget *child; GtkFrame *frame = GTK_FRAME (widget); GtkFramePrivate *priv = frame->priv; GtkBin *bin = GTK_BIN (widget); - GtkStyle *style; + GtkBorder padding; gint child_min, child_nat, label_width; gint minimum, natural; guint border_width; - style = gtk_widget_get_style (widget); - + get_padding_and_border (frame, &padding); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); - minimum = (border_width + style->ythickness) * 2; - natural = (border_width + style->ythickness) * 2; - width -= (border_width + style->xthickness) * 2; + minimum = (border_width * 2) + padding.top + padding.bottom; + natural = (border_width * 2) + padding.top + padding.bottom; + + width -= (border_width * 2) + padding.left + padding.right; label_width = width - 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; if (priv->label_widget && gtk_widget_get_visible (priv->label_widget)) { - gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->label_widget), - label_width, &child_min, &child_nat); + gtk_widget_get_preferred_height_for_width (priv->label_widget, + label_width, &child_min, &child_nat); minimum += child_min; natural += child_nat; } @@ -906,8 +985,8 @@ gtk_frame_get_height_for_width (GtkSizeRequest *request, child = gtk_bin_get_child (bin); if (child && gtk_widget_get_visible (child)) { - gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (child), - width, &child_min, &child_nat); + gtk_widget_get_preferred_height_for_width (child, + width, &child_min, &child_nat); minimum += child_min; natural += child_nat; } @@ -920,19 +999,11 @@ gtk_frame_get_height_for_width (GtkSizeRequest *request, } static void -gtk_frame_get_width_for_height (GtkSizeRequest *widget, - gint height, - gint *minimum_width, - gint *natural_width) +gtk_frame_get_preferred_width_for_height (GtkWidget *widget, + gint height, + gint *minimum_width, + gint *natural_width) { - 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); } -static void -gtk_frame_size_request_init (GtkSizeRequestIface *iface) -{ - iface->get_width = gtk_frame_get_width; - iface->get_height = gtk_frame_get_height; - iface->get_height_for_width = gtk_frame_get_height_for_width; - iface->get_width_for_height = gtk_frame_get_width_for_height; -}