gadget: Add GtkCssCustomGadget
The thing you use when you want to custom-do everything.
This commit is contained in:
Benjamin Otte
committed by
Matthias Clasen
Matthias Clasen
parent
6eafe00d8f
commit
e09eb4fc9f
@ -386,7 +386,8 @@ gtk_private_h_sources = \
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gtkcssbordervalueprivate.h \
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gtkcssbordervalueprivate.h \
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gtkcsscolorvalueprivate.h \
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gtkcsscolorvalueprivate.h \
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gtkcsscornervalueprivate.h \
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gtkcsscornervalueprivate.h \
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gtkcsscustompropertyprivate.h \
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gtkcsscustomgadgetprivate.h \
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gtkcsscustompropertyprivate.h \
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gtkcsseasevalueprivate.h \
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gtkcsseasevalueprivate.h \
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gtkcssenginevalueprivate.h \
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gtkcssenginevalueprivate.h \
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gtkcssenumvalueprivate.h \
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gtkcssenumvalueprivate.h \
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@ -640,6 +641,7 @@ gtk_base_c_sources = \
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gtkcssbordervalue.c \
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gtkcssbordervalue.c \
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gtkcsscolorvalue.c \
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gtkcsscolorvalue.c \
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gtkcsscornervalue.c \
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gtkcsscornervalue.c \
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gtkcsscustomgadget.c \
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gtkcsscustomproperty.c \
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gtkcsscustomproperty.c \
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gtkcsseasevalue.c \
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gtkcsseasevalue.c \
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gtkcssenumvalue.c \
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gtkcssenumvalue.c \
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180
gtk/gtkcsscustomgadget.c
Normal file
180
gtk/gtkcsscustomgadget.c
Normal file
@ -0,0 +1,180 @@
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/*
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* Copyright © 2015 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#include "config.h"
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#include "gtkcsscustomgadgetprivate.h"
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#include "gtkcssnodeprivate.h"
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typedef struct _GtkCssCustomGadgetPrivate GtkCssCustomGadgetPrivate;
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struct _GtkCssCustomGadgetPrivate {
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GtkCssPreferredSizeFunc preferred_size_func;
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GtkCssAllocateFunc allocate_func;
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GtkCssDrawFunc draw_func;
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gpointer data;
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GDestroyNotify destroy_func;
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};
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G_DEFINE_TYPE_WITH_CODE (GtkCssCustomGadget, gtk_css_custom_gadget, GTK_TYPE_CSS_GADGET,
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G_ADD_PRIVATE (GtkCssCustomGadget))
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static void
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gtk_css_custom_gadget_get_preferred_size (GtkCssGadget *gadget,
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GtkOrientation orientation,
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gint for_size,
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gint *minimum,
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gint *natural,
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gint *minimum_baseline,
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gint *natural_baseline)
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{
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GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (gadget));
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if (priv->preferred_size_func)
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return priv->preferred_size_func (gadget, orientation, for_size,
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minimum, natural,
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minimum_baseline, natural_baseline,
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priv->data);
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else
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return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->get_preferred_size (gadget, orientation, for_size,
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minimum, natural,
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minimum_baseline, natural_baseline);
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}
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static void
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gtk_css_custom_gadget_allocate (GtkCssGadget *gadget,
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const GtkAllocation *allocation,
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int baseline,
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GtkAllocation *out_clip)
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{
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GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (gadget));
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if (priv->allocate_func)
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return priv->allocate_func (gadget, allocation, baseline, out_clip, priv->data);
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else
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return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->allocate (gadget, allocation, baseline, out_clip);
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}
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static gboolean
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gtk_css_custom_gadget_draw (GtkCssGadget *gadget,
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cairo_t *cr,
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int x,
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int y,
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int width,
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int height)
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{
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GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (gadget));
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if (priv->draw_func)
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return priv->draw_func (gadget, cr, x, y, width, height, priv->data);
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else
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return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->draw (gadget, cr, x, y, width, height);
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}
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static void
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gtk_css_custom_gadget_finalize (GObject *object)
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{
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GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (object));
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if (priv->destroy_func)
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priv->destroy_func (priv->data);
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G_OBJECT_CLASS (gtk_css_custom_gadget_parent_class)->finalize (object);
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}
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static void
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gtk_css_custom_gadget_class_init (GtkCssCustomGadgetClass *klass)
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{
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GtkCssGadgetClass *gadget_class = GTK_CSS_GADGET_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gtk_css_custom_gadget_finalize;
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gadget_class->get_preferred_size = gtk_css_custom_gadget_get_preferred_size;
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gadget_class->allocate = gtk_css_custom_gadget_allocate;
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gadget_class->draw = gtk_css_custom_gadget_draw;
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}
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static void
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gtk_css_custom_gadget_init (GtkCssCustomGadget *custom_gadget)
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{
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}
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GtkCssGadget *
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gtk_css_custom_gadget_new_for_node (GtkCssNode *node,
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GtkWidget *owner,
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GtkCssPreferredSizeFunc preferred_size_func,
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GtkCssAllocateFunc allocate_func,
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GtkCssDrawFunc draw_func,
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gpointer data,
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GDestroyNotify destroy_func)
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{
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GtkCssCustomGadgetPrivate *priv;
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GtkCssGadget *result;
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result = g_object_new (GTK_TYPE_CSS_CUSTOM_GADGET,
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"node", node,
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"owner", owner,
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NULL);
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priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (result));
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priv->preferred_size_func = preferred_size_func;
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priv->allocate_func = allocate_func;
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priv->draw_func = draw_func;
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priv->data = data;
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priv->destroy_func = destroy_func;
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return result;
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}
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GtkCssGadget *
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gtk_css_custom_gadget_new (const char *name,
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GtkWidget *owner,
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GtkCssGadget *parent,
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GtkCssGadget *next_sibling,
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GtkCssPreferredSizeFunc preferred_size_func,
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GtkCssAllocateFunc allocate_func,
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GtkCssDrawFunc draw_func,
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gpointer data,
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GDestroyNotify destroy_func)
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{
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GtkCssNode *node;
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GtkCssGadget *result;
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node = gtk_css_node_new ();
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gtk_css_node_set_name (node, g_intern_string (name));
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if (parent)
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gtk_css_node_insert_before (gtk_css_gadget_get_node (parent),
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node,
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next_sibling ? gtk_css_gadget_get_node (next_sibling) : NULL);
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result = gtk_css_custom_gadget_new_for_node (node,
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owner,
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preferred_size_func,
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allocate_func,
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draw_func,
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data,
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destroy_func);
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g_object_unref (node);
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return result;
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}
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88
gtk/gtkcsscustomgadgetprivate.h
Normal file
88
gtk/gtkcsscustomgadgetprivate.h
Normal file
@ -0,0 +1,88 @@
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/*
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* Copyright © 2015 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#ifndef __GTK_CSS_CUSTOM_GADGET_PRIVATE_H__
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#define __GTK_CSS_CUSTOM_GADGET_PRIVATE_H__
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#include "gtk/gtkcssgadgetprivate.h"
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G_BEGIN_DECLS
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#define GTK_TYPE_CSS_CUSTOM_GADGET (gtk_css_custom_gadget_get_type ())
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#define GTK_CSS_CUSTOM_GADGET(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_CUSTOM_GADGET, GtkCssCustomGadget))
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#define GTK_CSS_CUSTOM_GADGET_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_CUSTOM_GADGET, GtkCssCustomGadgetClass))
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#define GTK_IS_CSS_CUSTOM_GADGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_CUSTOM_GADGET))
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#define GTK_IS_CSS_CUSTOM_GADGET_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_CUSTOM_GADGET))
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#define GTK_CSS_CUSTOM_GADGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_CUSTOM_GADGET, GtkCssCustomGadgetClass))
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typedef struct _GtkCssCustomGadget GtkCssCustomGadget;
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typedef struct _GtkCssCustomGadgetClass GtkCssCustomGadgetClass;
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typedef void (* GtkCssPreferredSizeFunc) (GtkCssGadget *gadget,
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GtkOrientation orientation,
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gint for_size,
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gint *minimum,
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gint *natural,
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gint *minimum_baseline,
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gint *natural_baseline,
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gpointer data);
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typedef void (* GtkCssAllocateFunc) (GtkCssGadget *gadget,
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const GtkAllocation *allocation,
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int baseline,
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GtkAllocation *out_clip,
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gpointer data);
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typedef gboolean (* GtkCssDrawFunc) (GtkCssGadget *gadget,
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cairo_t *cr,
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int x,
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int y,
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int width,
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int height,
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gpointer data);
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struct _GtkCssCustomGadget
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{
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GtkCssGadget parent;
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};
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struct _GtkCssCustomGadgetClass
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{
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GtkCssGadgetClass parent_class;
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};
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GType gtk_css_custom_gadget_get_type (void) G_GNUC_CONST;
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GtkCssGadget * gtk_css_custom_gadget_new (const char *name,
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GtkWidget *owner,
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GtkCssGadget *parent,
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GtkCssGadget *next_sibling,
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GtkCssPreferredSizeFunc get_preferred_size_func,
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GtkCssAllocateFunc allocate_func,
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GtkCssDrawFunc draw_func,
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gpointer data,
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GDestroyNotify destroy_func);
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GtkCssGadget * gtk_css_custom_gadget_new_for_node (GtkCssNode *node,
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GtkWidget *owner,
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GtkCssPreferredSizeFunc preferred_size_func,
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GtkCssAllocateFunc allocate_func,
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GtkCssDrawFunc draw_func,
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gpointer data,
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GDestroyNotify destroy_func);
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G_END_DECLS
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#endif /* __GTK_CSS_CUSTOM_GADGET_PRIVATE_H__ */
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