gtk2/gtk/inspector/css-node-tree.c

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/*
* Copyright (c) 2014 Benjamin Otte <otte@gnome.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicntnse,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright noticnt and this permission noticnt shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include "css-node-tree.h"
#include "prop-editor.h"
#include "window.h"
#include "gtktreemodelcssnode.h"
#include "gtktreeview.h"
#include "gtklabel.h"
#include "gtkpopover.h"
#include "gtk/gtkwidgetprivate.h"
#include "gtkcssproviderprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkcssvalueprivate.h"
#include "gtkcssselectorprivate.h"
#include "gtkliststore.h"
#include "gtksettings.h"
#include "gtktreeview.h"
#include "gtktreeselection.h"
#include "gtktypebuiltins.h"
#include "gtkstack.h"
#include <glib/gi18n-lib.h>
#include <gtk/css/gtkcss.h>
enum {
COLUMN_NODE_NAME,
COLUMN_NODE_VISIBLE,
COLUMN_NODE_CLASSES,
COLUMN_NODE_ID,
COLUMN_NODE_STATE,
/* add more */
N_NODE_COLUMNS
};
enum
{
COLUMN_PROP_NAME,
COLUMN_PROP_VALUE,
COLUMN_PROP_LOCATION
};
enum
{
PROP_0,
PROP_NODE,
N_PROPS
};
struct _GtkInspectorCssNodeTreePrivate
{
GtkWidget *node_tree;
GtkTreeModel *node_model;
GtkTreeViewColumn *node_name_column;
GtkTreeViewColumn *node_id_column;
GtkTreeViewColumn *node_classes_column;
GtkListStore *prop_model;
GtkWidget *prop_tree;
GtkTreeViewColumn *prop_name_column;
GHashTable *prop_iters;
GtkCssNode *node;
};
static GParamSpec *properties[N_PROPS] = { NULL, };
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorCssNodeTree, gtk_inspector_css_node_tree, GTK_TYPE_BOX)
typedef struct {
GtkCssNode *node;
const gchar *prop_name;
GdkRectangle rect;
GtkInspectorCssNodeTree *cnt;
} NodePropEditor;
static void
show_node_prop_editor (NodePropEditor *npe)
{
GtkWidget *popover;
GtkWidget *editor;
popover = gtk_popover_new ();
gtk_widget_set_parent (popover, GTK_WIDGET (npe->cnt->priv->node_tree));
gtk_popover_set_pointing_to (GTK_POPOVER (popover), &npe->rect);
editor = gtk_inspector_prop_editor_new (G_OBJECT (npe->node), npe->prop_name, NULL);
gtk_popover_set_child (GTK_POPOVER (popover), editor);
gtk_popover_popup (GTK_POPOVER (popover));
g_signal_connect (popover, "unmap", G_CALLBACK (gtk_widget_destroy), NULL);
}
static void
row_activated (GtkTreeView *tv,
GtkTreePath *path,
GtkTreeViewColumn *col,
GtkInspectorCssNodeTree *cnt)
{
GtkTreeIter iter;
NodePropEditor npe;
npe.cnt = cnt;
if (col == cnt->priv->node_name_column)
npe.prop_name = "name";
else if (col == cnt->priv->node_id_column)
npe.prop_name = "id";
else if (col == cnt->priv->node_classes_column)
npe.prop_name = "classes";
else
return;
gtk_tree_model_get_iter (cnt->priv->node_model, &iter, path);
npe.node = gtk_tree_model_css_node_get_node_from_iter (GTK_TREE_MODEL_CSS_NODE (cnt->priv->node_model), &iter);
gtk_tree_view_get_cell_area (tv, path, col, &npe.rect);
gtk_tree_view_convert_bin_window_to_widget_coords (tv, npe.rect.x, npe.rect.y, &npe.rect.x, &npe.rect.y);
show_node_prop_editor (&npe);
}
static void
gtk_inspector_css_node_tree_set_node (GtkInspectorCssNodeTree *cnt,
GtkCssNode *node);
static void
selection_changed (GtkTreeSelection *selection, GtkInspectorCssNodeTree *cnt)
{
GtkTreeIter iter;
GtkCssNode *node;
if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
return;
node = gtk_tree_model_css_node_get_node_from_iter (GTK_TREE_MODEL_CSS_NODE (cnt->priv->node_model), &iter);
gtk_inspector_css_node_tree_set_node (cnt, node);
}
static void
gtk_inspector_css_node_tree_unset_node (GtkInspectorCssNodeTree *cnt)
{
GtkInspectorCssNodeTreePrivate *priv = cnt->priv;
if (priv->node)
{
g_signal_handlers_disconnect_matched (priv->node,
G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL,
cnt);
g_object_unref (priv->node);
priv->node = NULL;
}
}
static void
gtk_inspector_css_node_tree_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GtkInspectorCssNodeTree *cnt = GTK_INSPECTOR_CSS_NODE_TREE (object);
GtkInspectorCssNodeTreePrivate *priv = cnt->priv;
switch (property_id)
{
case PROP_NODE:
g_value_set_object (value, priv->node);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_inspector_css_node_tree_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_inspector_css_node_tree_finalize (GObject *object)
{
GtkInspectorCssNodeTree *cnt = GTK_INSPECTOR_CSS_NODE_TREE (object);
gtk_inspector_css_node_tree_unset_node (cnt);
g_hash_table_unref (cnt->priv->prop_iters);
G_OBJECT_CLASS (gtk_inspector_css_node_tree_parent_class)->finalize (object);
}
static void
gtk_inspector_css_node_tree_class_init (GtkInspectorCssNodeTreeClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->set_property = gtk_inspector_css_node_tree_set_property;
object_class->get_property = gtk_inspector_css_node_tree_get_property;
object_class->finalize = gtk_inspector_css_node_tree_finalize;
properties[PROP_NODE] =
g_param_spec_object ("node",
"Node",
"Currently inspected CSS node",
GTK_TYPE_CSS_NODE,
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, properties);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/css-node-tree.ui");
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, node_tree);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, node_name_column);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, node_id_column);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, node_classes_column);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, prop_name_column);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, prop_model);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorCssNodeTree, prop_name_column);
gtk_widget_class_bind_template_callback (widget_class, row_activated);
gtk_widget_class_bind_template_callback (widget_class, selection_changed);
}
static int
sort_strv (gconstpointer a,
gconstpointer b,
gpointer data)
{
char **ap = (char **) a;
char **bp = (char **) b;
return g_ascii_strcasecmp (*ap, *bp);
}
static void
strv_sort (char **strv)
{
g_qsort_with_data (strv,
g_strv_length (strv),
sizeof (char *),
sort_strv,
NULL);
}
static gchar *
format_state_flags (GtkStateFlags state)
{
if (state)
{
GString *str;
gint i;
gboolean first = TRUE;
str = g_string_new ("");
for (i = 0; i < 31; i++)
{
if (state & (1 << i))
{
if (!first)
g_string_append (str, " | ");
first = FALSE;
g_string_append (str, gtk_css_pseudoclass_name (1 << i));
}
}
return g_string_free (str, FALSE);
}
return g_strdup ("");
}
static void
gtk_inspector_css_node_tree_get_node_value (GtkTreeModelCssNode *model,
GtkCssNode *node,
int column,
GValue *value)
{
char **strv;
char *s;
switch (column)
{
case COLUMN_NODE_NAME:
g_value_set_string (value, g_quark_to_string (gtk_css_node_get_name (node)));
break;
case COLUMN_NODE_VISIBLE:
g_value_set_boolean (value, gtk_css_node_get_visible (node));
break;
case COLUMN_NODE_CLASSES:
strv = gtk_css_node_get_classes (node);
strv_sort (strv);
s = g_strjoinv (" ", strv);
g_value_take_string (value, s);
g_strfreev (strv);
break;
case COLUMN_NODE_ID:
g_value_set_string (value, g_quark_to_string (gtk_css_node_get_id (node)));
break;
case COLUMN_NODE_STATE:
g_value_take_string (value, format_state_flags (gtk_css_node_get_state (node)));
break;
default:
g_assert_not_reached ();
break;
}
}
static void
gtk_inspector_css_node_tree_init (GtkInspectorCssNodeTree *cnt)
{
GtkInspectorCssNodeTreePrivate *priv;
gint i;
cnt->priv = gtk_inspector_css_node_tree_get_instance_private (cnt);
gtk_widget_init_template (GTK_WIDGET (cnt));
priv = cnt->priv;
priv->node_model = gtk_tree_model_css_node_new (gtk_inspector_css_node_tree_get_node_value,
N_NODE_COLUMNS,
G_TYPE_STRING,
G_TYPE_BOOLEAN,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING);
gtk_tree_view_set_model (GTK_TREE_VIEW (priv->node_tree), priv->node_model);
g_object_unref (priv->node_model);
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (cnt->priv->prop_model),
COLUMN_PROP_NAME,
GTK_SORT_ASCENDING);
priv->prop_iters = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL, (GDestroyNotify) gtk_tree_iter_free);
for (i = 0; i < _gtk_css_style_property_get_n_properties (); i++)
{
GtkCssStyleProperty *prop;
GtkTreeIter iter;
const gchar *name;
prop = _gtk_css_style_property_lookup_by_id (i);
name = _gtk_style_property_get_name (GTK_STYLE_PROPERTY (prop));
gtk_list_store_append (cnt->priv->prop_model, &iter);
gtk_list_store_set (cnt->priv->prop_model, &iter, COLUMN_PROP_NAME, name, -1);
g_hash_table_insert (cnt->priv->prop_iters, (gpointer)name, gtk_tree_iter_copy (&iter));
}
}
void
gtk_inspector_css_node_tree_set_object (GtkInspectorCssNodeTree *cnt,
GObject *object)
{
GtkWidget *stack;
GtkStackPage *page;
GtkInspectorCssNodeTreePrivate *priv;
GtkCssNode *node, *root;
GtkTreePath *path;
GtkTreeIter iter;
g_return_if_fail (GTK_INSPECTOR_IS_CSS_NODE_TREE (cnt));
priv = cnt->priv;
stack = gtk_widget_get_parent (GTK_WIDGET (cnt));
page = gtk_stack_get_page (GTK_STACK (stack), GTK_WIDGET (cnt));
if (!GTK_IS_WIDGET (object))
{
g_object_set (page, "visible", FALSE, NULL);
return;
}
g_object_set (page, "visible", TRUE, NULL);
root = node = gtk_widget_get_css_node (GTK_WIDGET (object));
while (gtk_css_node_get_parent (root))
root = gtk_css_node_get_parent (root);
gtk_tree_model_css_node_set_root_node (GTK_TREE_MODEL_CSS_NODE (priv->node_model), root);
gtk_tree_model_css_node_get_iter_from_node (GTK_TREE_MODEL_CSS_NODE (priv->node_model), &iter, node);
path = gtk_tree_model_get_path (priv->node_model, &iter);
gtk_tree_view_expand_to_path (GTK_TREE_VIEW (priv->node_tree), path);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->node_tree), path, NULL, FALSE);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (priv->node_tree), path, NULL, TRUE, 0.5, 0.0);
gtk_tree_path_free (path);
}
static void
gtk_inspector_css_node_tree_update_style (GtkInspectorCssNodeTree *cnt,
GtkCssStyle *new_style)
{
GtkInspectorCssNodeTreePrivate *priv = cnt->priv;
gint i;
for (i = 0; i < _gtk_css_style_property_get_n_properties (); i++)
{
GtkCssStyleProperty *prop;
const gchar *name;
GtkTreeIter *iter;
GtkCssSection *section;
gchar *location;
gchar *value;
prop = _gtk_css_style_property_lookup_by_id (i);
name = _gtk_style_property_get_name (GTK_STYLE_PROPERTY (prop));
iter = (GtkTreeIter *)g_hash_table_lookup (priv->prop_iters, name);
if (new_style)
{
value = _gtk_css_value_to_string (gtk_css_style_get_value (new_style, i));
section = gtk_css_style_get_section (new_style, i);
if (section)
location = gtk_css_section_to_string (section);
else
location = NULL;
}
else
{
value = NULL;
location = NULL;
}
gtk_list_store_set (priv->prop_model,
iter,
COLUMN_PROP_VALUE, value,
COLUMN_PROP_LOCATION, location,
-1);
g_free (location);
g_free (value);
}
}
static void
gtk_inspector_css_node_tree_update_style_cb (GtkCssNode *node,
GtkCssStyleChange *change,
GtkInspectorCssNodeTree *cnt)
{
gtk_inspector_css_node_tree_update_style (cnt, gtk_css_style_change_get_new_style (change));
}
static void
gtk_inspector_css_node_tree_set_node (GtkInspectorCssNodeTree *cnt,
GtkCssNode *node)
{
GtkInspectorCssNodeTreePrivate *priv = cnt->priv;
if (priv->node == node)
return;
if (node)
g_object_ref (node);
gtk_inspector_css_node_tree_update_style (cnt, node ? gtk_css_node_get_style (node) : NULL);
gtk_inspector_css_node_tree_unset_node (cnt);
priv->node = node;
if (node)
{
g_signal_connect (node, "style-changed", G_CALLBACK (gtk_inspector_css_node_tree_update_style_cb), cnt);
}
g_object_notify_by_pspec (G_OBJECT (cnt), properties[PROP_NODE]);
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}
GtkCssNode *
gtk_inspector_css_node_tree_get_node (GtkInspectorCssNodeTree *cnt)
{
GtkInspectorCssNodeTreePrivate *priv = cnt->priv;
return priv->node;
}
void
gtk_inspector_css_node_tree_set_display (GtkInspectorCssNodeTree *cnt,
GdkDisplay *display)
{
GtkSettings *settings;
gchar *theme_name;
settings = gtk_settings_get_for_display (display);
g_object_get (settings, "gtk-theme-name", &theme_name, NULL);
g_object_set (settings, "gtk-theme-name", theme_name, NULL);
g_free (theme_name);
}
// vim: set et sw=2 ts=2: