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gtk2/gtk/inspector/prop-list.c
Matthias Clasen 394ea32e93 Use gtk_widget_add/remove_css_class more 
Replace most uses of gtk_style_context_add/remove_class
by the new APIs. The only remaining uses of the old API
are in save/restore situations.
2020-04-10 12:09:57 -04:00

667 lines
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/*
* Copyright (c) 2008-2009 Christian Hammond
* Copyright (c) 2008-2009 David Trowbridge
*
* 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, sublicense,
* 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 notice and this permission notice 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 <glib/gi18n-lib.h>
#include "prop-list.h"
#include "prop-editor.h"
#include "object-tree.h"
#include "gtkcelllayout.h"
#include "gtktreeview.h"
#include "gtktreeselection.h"
#include "gtkpopover.h"
#include "gtksearchentry.h"
#include "gtklabel.h"
#include "gtkmain.h"
#include "gtkstack.h"
#include "gtkeventcontrollerkey.h"
#include "gtklayoutmanager.h"
#include "gtklistbox.h"
#include "gtksizegroup.h"
#include "gtkroot.h"
#include "gtkgestureclick.h"
#include "gtkstylecontext.h"
enum
{
PROP_0,
PROP_OBJECT_TREE,
PROP_SEARCH_ENTRY
};
typedef enum {
COLUMN_NAME,
COLUMN_ORIGIN
} SortColumn;
struct _GtkInspectorPropListPrivate
{
GObject *object;
gulong notify_handler_id;
GtkInspectorObjectTree *object_tree;
GtkWidget *search_entry;
GtkWidget *search_stack;
GtkWidget *list2;
GtkWidget *name_sort_indicator;
GtkWidget *origin_sort_indicator;
GtkWidget *name_heading;
GtkWidget *origin_heading;
SortColumn sort_column;
GtkSortType sort_direction;
GtkSizeGroup *names;
GtkSizeGroup *types;
GtkSizeGroup *values;
GtkSizeGroup *origins;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorPropList, gtk_inspector_prop_list, GTK_TYPE_BOX)
static void
search_close_clicked (GtkWidget *button,
GtkInspectorPropList *pl)
{
gtk_editable_set_text (GTK_EDITABLE (pl->priv->search_entry), "");
gtk_stack_set_visible_child_name (GTK_STACK (pl->priv->search_stack), "title");
}
static void
show_search_entry (GtkInspectorPropList *pl)
{
gtk_stack_set_visible_child (GTK_STACK (pl->priv->search_stack),
pl->priv->search_entry);
}
static void
apply_sort (GtkInspectorPropList *pl,
SortColumn column,
GtkSortType direction)
{
const char *icon_name;
icon_name = direction == GTK_SORT_ASCENDING ? "pan-down-symbolic"
: "pan-up-symbolic";
if (column == COLUMN_NAME)
{
gtk_image_clear (GTK_IMAGE (pl->priv->origin_sort_indicator));
gtk_image_set_from_icon_name (GTK_IMAGE (pl->priv->name_sort_indicator),
icon_name);
}
else
{
gtk_image_clear (GTK_IMAGE (pl->priv->name_sort_indicator));
gtk_image_set_from_icon_name (GTK_IMAGE (pl->priv->origin_sort_indicator),
icon_name);
}
pl->priv->sort_column = column;
pl->priv->sort_direction = direction;
gtk_list_box_invalidate_sort (GTK_LIST_BOX (pl->priv->list2));
}
static void
sort_changed (GtkGestureClick *gesture,
int n_press,
double x,
double y,
GtkInspectorPropList *pl)
{
SortColumn column;
GtkSortType direction;
GtkWidget *widget;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
if (widget == pl->priv->name_heading)
column = COLUMN_NAME;
else
column = COLUMN_ORIGIN;
if (pl->priv->sort_column == column &&
pl->priv->sort_direction == GTK_SORT_ASCENDING)
direction = GTK_SORT_DESCENDING;
else
direction = GTK_SORT_ASCENDING;
apply_sort (pl, column, direction);
}
static const char *
row_get_column (GtkListBoxRow *row,
SortColumn column)
{
GParamSpec *prop = g_object_get_data (G_OBJECT (row), "pspec");
if (column == COLUMN_NAME)
return prop->name;
else
return g_type_name (prop->owner_type);
}
static int
sort_func (GtkListBoxRow *row1,
GtkListBoxRow *row2,
gpointer user_data)
{
GtkInspectorPropList *pl = user_data;
const char *s1 = row_get_column (row1, pl->priv->sort_column);
const char *s2 = row_get_column (row2, pl->priv->sort_column);
int ret = strcmp (s1, s2);
return pl->priv->sort_direction == GTK_SORT_ASCENDING ? ret : -ret;
}
static gboolean
filter_func (GtkListBoxRow *row,
gpointer data)
{
GtkInspectorPropList *pl = data;
GParamSpec *pspec = (GParamSpec *)g_object_get_data (G_OBJECT (row), "pspec");
const char *text = gtk_editable_get_text (GTK_EDITABLE (pl->priv->search_entry));
return g_str_has_prefix (pspec->name, text);
}
static void
gtk_inspector_prop_list_init (GtkInspectorPropList *pl)
{
pl->priv = gtk_inspector_prop_list_get_instance_private (pl);
gtk_widget_init_template (GTK_WIDGET (pl));
apply_sort (pl, COLUMN_NAME, GTK_SORT_ASCENDING);
}
static void
get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GtkInspectorPropList *pl = GTK_INSPECTOR_PROP_LIST (object);
switch (param_id)
{
case PROP_OBJECT_TREE:
g_value_take_object (value, pl->priv->object_tree);
break;
case PROP_SEARCH_ENTRY:
g_value_take_object (value, pl->priv->search_entry);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GtkInspectorPropList *pl = GTK_INSPECTOR_PROP_LIST (object);
switch (param_id)
{
case PROP_OBJECT_TREE:
pl->priv->object_tree = g_value_get_object (value);
break;
case PROP_SEARCH_ENTRY:
pl->priv->search_entry = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
show_object (GtkInspectorPropEditor *editor,
GObject *object,
const gchar *name,
const gchar *tab,
GtkInspectorPropList *pl)
{
g_object_set_data_full (G_OBJECT (pl->priv->object_tree), "next-tab", g_strdup (tab), g_free);
gtk_inspector_object_tree_select_object (pl->priv->object_tree, object);
gtk_inspector_object_tree_activate_object (pl->priv->object_tree, object);
}
static void cleanup_object (GtkInspectorPropList *pl);
static void
finalize (GObject *object)
{
GtkInspectorPropList *pl = GTK_INSPECTOR_PROP_LIST (object);
cleanup_object (pl);
G_OBJECT_CLASS (gtk_inspector_prop_list_parent_class)->finalize (object);
}
static void
constructed (GObject *object)
{
GtkInspectorPropList *pl = GTK_INSPECTOR_PROP_LIST (object);
pl->priv->search_stack = gtk_widget_get_parent (pl->priv->search_entry);
g_signal_connect (pl->priv->search_entry, "stop-search",
G_CALLBACK (search_close_clicked), pl);
g_signal_connect_swapped (pl->priv->search_entry, "search-started",
G_CALLBACK (show_search_entry), pl);
g_signal_connect_swapped (pl->priv->search_entry, "search-changed",
G_CALLBACK (gtk_list_box_invalidate_filter), pl->priv->list2);
gtk_list_box_set_filter_func (GTK_LIST_BOX (pl->priv->list2), filter_func, pl, NULL);
gtk_list_box_set_sort_func (GTK_LIST_BOX (pl->priv->list2), sort_func, pl, NULL);
}
static void
update_key_capture (GtkInspectorPropList *pl)
{
GtkWidget *capture_widget;
if (gtk_widget_get_mapped (GTK_WIDGET (pl)))
{
GtkWidget *toplevel;
GtkWidget *focus;
toplevel = GTK_WIDGET (gtk_widget_get_root (GTK_WIDGET (pl)));
focus = gtk_root_get_focus (GTK_ROOT (toplevel));
if (GTK_IS_EDITABLE (focus) &&
gtk_widget_is_ancestor (focus, pl->priv->list2))
capture_widget = NULL;
else
capture_widget = toplevel;
}
else
capture_widget = NULL;
gtk_search_entry_set_key_capture_widget (GTK_SEARCH_ENTRY (pl->priv->search_entry),
capture_widget);
}
static void
map (GtkWidget *widget)
{
GTK_WIDGET_CLASS (gtk_inspector_prop_list_parent_class)->map (widget);
update_key_capture (GTK_INSPECTOR_PROP_LIST (widget));
}
static void
unmap (GtkWidget *widget)
{
GTK_WIDGET_CLASS (gtk_inspector_prop_list_parent_class)->unmap (widget);
update_key_capture (GTK_INSPECTOR_PROP_LIST (widget));
}
static void
root (GtkWidget *widget)
{
GTK_WIDGET_CLASS (gtk_inspector_prop_list_parent_class)->root (widget);
g_signal_connect_swapped (gtk_widget_get_root (widget), "notify::focus-widget",
G_CALLBACK (update_key_capture), widget);
}
static void
unroot (GtkWidget *widget)
{
g_signal_handlers_disconnect_by_func (gtk_widget_get_root (widget),
update_key_capture, widget);
GTK_WIDGET_CLASS (gtk_inspector_prop_list_parent_class)->unroot (widget);
}
static void
gtk_inspector_prop_list_class_init (GtkInspectorPropListClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->finalize = finalize;
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->constructed = constructed;
widget_class->map = map;
widget_class->unmap = unmap;
widget_class->root = root;
widget_class->unroot = unroot;
g_object_class_install_property (object_class, PROP_OBJECT_TREE,
g_param_spec_object ("object-tree", "Object Tree", "Object tree",
GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_SEARCH_ENTRY,
g_param_spec_object ("search-entry", "Search Entry", "Search Entry",
GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/prop-list.ui");
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, list2);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, names);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, types);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, values);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, origins);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, name_heading);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, name_sort_indicator);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, origin_heading);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorPropList, origin_sort_indicator);
gtk_widget_class_bind_template_callback (widget_class, sort_changed);
}
/* Like g_strdup_value_contents, but keeps the type name separate */
void
strdup_value_contents (const GValue *value,
gchar **contents,
gchar **type)
{
const gchar *src;
if (G_VALUE_HOLDS_STRING (value))
{
src = g_value_get_string (value);
*type = g_strdup ("char*");
if (!src)
{
*contents = g_strdup ("NULL");
}
else
{
gchar *s = g_strescape (src, NULL);
*contents = g_strdup_printf ("\"%s\"", s);
g_free (s);
}
}
else if (g_value_type_transformable (G_VALUE_TYPE (value), G_TYPE_STRING))
{
GValue tmp_value = G_VALUE_INIT;
*type = g_strdup (g_type_name (G_VALUE_TYPE (value)));
g_value_init (&tmp_value, G_TYPE_STRING);
g_value_transform (value, &tmp_value);
src = g_value_get_string (&tmp_value);
if (!src)
*contents = g_strdup ("NULL");
else
*contents = g_strescape (src, NULL);
g_value_unset (&tmp_value);
}
else if (g_value_fits_pointer (value))
{
gpointer p = g_value_peek_pointer (value);
if (!p)
{
*type = g_strdup (g_type_name (G_VALUE_TYPE (value)));
*contents = g_strdup ("NULL");
}
else if (G_VALUE_HOLDS_OBJECT (value))
{
*type = g_strdup (G_OBJECT_TYPE_NAME (p));
*contents = g_strdup_printf ("%p", p);
}
else if (G_VALUE_HOLDS_PARAM (value))
{
*type = g_strdup (G_PARAM_SPEC_TYPE_NAME (p));
*contents = g_strdup_printf ("%p", p);
}
else if (G_VALUE_HOLDS (value, G_TYPE_STRV))
{
GStrv strv = g_value_get_boxed (value);
GString *tmp = g_string_new ("[");
while (*strv != NULL)
{
gchar *escaped = g_strescape (*strv, NULL);
g_string_append_printf (tmp, "\"%s\"", escaped);
g_free (escaped);
if (*++strv != NULL)
g_string_append (tmp, ", ");
}
g_string_append (tmp, "]");
*type = g_strdup ("char**");
*contents = g_string_free (tmp, FALSE);
}
else if (G_VALUE_HOLDS_BOXED (value))
{
*type = g_strdup (g_type_name (G_VALUE_TYPE (value)));
*contents = g_strdup_printf ("%p", p);
}
else if (G_VALUE_HOLDS_POINTER (value))
{
*type = g_strdup ("gpointer");
*contents = g_strdup_printf ("%p", p);
}
else
{
*type = g_strdup ("???");
*contents = g_strdup ("???");
}
}
else
{
*type = g_strdup ("???");
*contents = g_strdup ("???");
}
}
static GtkWidget *
gtk_inspector_prop_list_create_row (GtkInspectorPropList *pl,
GParamSpec *prop)
{
GValue gvalue = {0};
gchar *value;
gchar *type;
gchar *attribute = NULL;
gboolean writable;
GtkWidget *row;
GtkWidget *box;
GtkWidget *label;
GtkWidget *widget;
g_value_init (&gvalue, prop->value_type);
g_object_get_property (pl->priv->object, prop->name, &gvalue);
strdup_value_contents (&gvalue, &value, &type);
if (GTK_IS_CELL_RENDERER (pl->priv->object))
{
gpointer *layout;
GtkCellArea *area;
gint column = -1;
area = NULL;
layout = g_object_get_data (pl->priv->object, "gtk-inspector-cell-layout");
if (layout)
area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (layout));
if (area)
column = gtk_cell_area_attribute_get_column (area,
GTK_CELL_RENDERER (pl->priv->object),
prop->name);
if (column != -1)
attribute = g_strdup_printf ("%d", column);
}
writable = ((prop->flags & G_PARAM_WRITABLE) != 0) &&
((prop->flags & G_PARAM_CONSTRUCT_ONLY) == 0);
row = gtk_list_box_row_new ();
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
g_object_set_data (G_OBJECT (row), "pspec", prop);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_container_add (GTK_CONTAINER (row), box);
label = gtk_label_new (prop->name);
gtk_widget_add_css_class (label, "cell");
gtk_widget_set_sensitive (label, writable);
gtk_label_set_xalign (GTK_LABEL (label), 0);
gtk_size_group_add_widget (pl->priv->names, label);
gtk_container_add (GTK_CONTAINER (box), label);
label = gtk_label_new (type ? type : "");
gtk_widget_add_css_class (label, "cell");
gtk_widget_set_sensitive (label, writable);
gtk_label_set_xalign (GTK_LABEL (label), 0);
gtk_size_group_add_widget (pl->priv->types, label);
gtk_container_add (GTK_CONTAINER (box), label);
label = gtk_label_new (g_type_name (prop->owner_type));
gtk_widget_add_css_class (label, "cell");
gtk_widget_set_sensitive (label, writable);
gtk_label_set_xalign (GTK_LABEL (label), 0);
gtk_size_group_add_widget (pl->priv->origins, label);
gtk_container_add (GTK_CONTAINER (box), label);
widget = gtk_inspector_prop_editor_new (pl->priv->object, prop->name, pl->priv->values);
gtk_widget_add_css_class (widget, "cell");
gtk_container_add (GTK_CONTAINER (box), widget);
g_signal_connect (widget, "show-object", G_CALLBACK (show_object), pl);
g_free (value);
g_free (type);
g_free (attribute);
g_value_unset (&gvalue);
return row;
}
static void
cleanup_object (GtkInspectorPropList *pl)
{
if (pl->priv->object &&
g_signal_handler_is_connected (pl->priv->object, pl->priv->notify_handler_id))
g_signal_handler_disconnect (pl->priv->object, pl->priv->notify_handler_id);
pl->priv->object = NULL;
pl->priv->notify_handler_id = 0;
}
gboolean
gtk_inspector_prop_list_set_object (GtkInspectorPropList *pl,
GObject *object)
{
GParamSpec **props;
guint num_properties;
guint i;
GtkWidget *w;
if (!object)
return FALSE;
if (pl->priv->object == object)
return TRUE;
cleanup_object (pl);
gtk_editable_set_text (GTK_EDITABLE (pl->priv->search_entry), "");
gtk_stack_set_visible_child_name (GTK_STACK (pl->priv->search_stack), "title");
props = g_object_class_list_properties (G_OBJECT_GET_CLASS (object), &num_properties);
pl->priv->object = object;
while ((w = gtk_widget_get_first_child (pl->priv->list2)) != NULL)
gtk_widget_destroy (w);
for (i = 0; i < num_properties; i++)
{
GParamSpec *prop = props[i];
GtkWidget *row;
if (! (prop->flags & G_PARAM_READABLE))
continue;
row = gtk_inspector_prop_list_create_row (pl, prop);
gtk_container_add (GTK_CONTAINER (pl->priv->list2), row);
}
g_free (props);
if (GTK_IS_WIDGET (object))
g_signal_connect_object (object, "destroy", G_CALLBACK (cleanup_object), pl, G_CONNECT_SWAPPED);
gtk_widget_show (GTK_WIDGET (pl));
return TRUE;
}
void
gtk_inspector_prop_list_set_layout_child (GtkInspectorPropList *pl,
GObject *object)
{
GtkWidget *stack;
GtkStackPage *page;
GtkWidget *parent;
GtkLayoutManager *layout_manager;
GtkLayoutChild *layout_child;
stack = gtk_widget_get_parent (GTK_WIDGET (pl));
page = gtk_stack_get_page (GTK_STACK (stack), GTK_WIDGET (pl));
g_object_set (page, "visible", FALSE, NULL);
if (!GTK_IS_WIDGET (object))
return;
parent = gtk_widget_get_parent (GTK_WIDGET (object));
if (!parent)
return;
layout_manager = gtk_widget_get_layout_manager (parent);
if (!layout_manager)
return;
if (GTK_LAYOUT_MANAGER_GET_CLASS (layout_manager)->layout_child_type == G_TYPE_INVALID)
return;
layout_child = gtk_layout_manager_get_layout_child (layout_manager, GTK_WIDGET (object));
if (!layout_child)
return;
if (!gtk_inspector_prop_list_set_object (pl, G_OBJECT (layout_child)))
return;
g_object_set (page, "visible", TRUE, NULL);
}
// vim: set et sw=2 ts=2:
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