forked from AuroraMiddleware/gtk
1041f93f7f
When closing the inspector before the main window, we must take care to sever all signal connections and weak refs, otherwise things will go bad when the window is closed later.
322 lines
10 KiB
C
322 lines
10 KiB
C
/*
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* Copyright (c) 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include <glib/gi18n-lib.h>
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#include "classes-list.h"
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#include "gtkliststore.h"
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#include "gtktreeview.h"
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#include "gtkcellrenderertoggle.h"
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#include "gtkbutton.h"
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#include "gtkdialog.h"
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#include "gtkstylecontext.h"
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enum
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{
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COLUMN_ENABLED,
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COLUMN_NAME,
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COLUMN_STYLE
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};
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typedef struct
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{
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gboolean enabled;
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PangoStyle style;
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} GtkInspectorClassesListByContext;
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struct _GtkInspectorClassesListPrivate
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{
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GtkListStore *model;
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GtkStyleContext *context;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorClassesList, gtk_inspector_classes_list, GTK_TYPE_BOX)
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static void
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set_hash_context (GtkInspectorClassesList *cl, GHashTable *hash_context)
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{
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g_object_set_data_full (G_OBJECT (cl->priv->context),
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"gtk-inspector-hash-context",
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hash_context, (GDestroyNotify)g_hash_table_unref);
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}
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static GHashTable *
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get_hash_context (GtkInspectorClassesList *cl)
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{
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return (GHashTable *)g_object_get_data (G_OBJECT (cl->priv->context),
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"gtk-inspector-hash-context");
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}
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static void
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enabled_toggled (GtkCellRendererToggle *renderer,
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const gchar *path,
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GtkInspectorClassesList *cl)
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{
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GtkTreeIter iter;
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gboolean enabled;
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GHashTable *context;
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GtkInspectorClassesListByContext *c;
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gchar *name;
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if (!gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (cl->priv->model), &iter, path))
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{
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g_warning ("GtkInspector: Couldn't find the css class path for %s.", path);
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return;
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}
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gtk_tree_model_get (GTK_TREE_MODEL (cl->priv->model), &iter,
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COLUMN_ENABLED, &enabled,
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COLUMN_NAME, &name,
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-1);
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enabled = !enabled;
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gtk_list_store_set (cl->priv->model, &iter,
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COLUMN_ENABLED, enabled,
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-1);
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context = get_hash_context (cl);
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if (context)
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{
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c = g_hash_table_lookup (context, name);
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if (c)
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{
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c->enabled = enabled;
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if (enabled)
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gtk_style_context_add_class (cl->priv->context, name);
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else
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gtk_style_context_remove_class (cl->priv->context, name);
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}
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else
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g_warning ("GtkInspector: Couldn't find the css class %s in the class hash table.", name);
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}
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else
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g_warning ("GtkInspector: Couldn't find the hash table for the style context for css class %s.", name);
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}
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static void
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add_clicked (GtkButton *button,
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GtkInspectorClassesList *cl)
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{
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GtkWidget *dialog, *content_area, *entry;
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dialog = gtk_dialog_new_with_buttons (_("New class"),
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GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (cl))),
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GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_USE_HEADER_BAR,
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_("_OK"), GTK_RESPONSE_OK,
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_("Cancel"), GTK_RESPONSE_CANCEL,
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NULL);
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gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
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entry = g_object_new (GTK_TYPE_ENTRY,
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"visible", TRUE,
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"margin", 5,
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"placeholder-text", _("Class name"),
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"activates-default", TRUE,
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NULL);
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content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
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gtk_container_add (GTK_CONTAINER (content_area), entry);
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if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK)
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{
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const gchar *name;
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GHashTable *context;
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context = get_hash_context (cl);
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name = gtk_entry_get_text (GTK_ENTRY (entry));
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if (*name && !g_hash_table_contains (context, name))
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{
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GtkTreeIter tree_iter;
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GtkInspectorClassesListByContext *c;
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gtk_style_context_add_class (cl->priv->context, name);
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c = g_new0 (GtkInspectorClassesListByContext, 1);
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c->enabled = TRUE;
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c->style = PANGO_STYLE_ITALIC;
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g_hash_table_insert (context, (gpointer)g_strdup (name), c);
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gtk_list_store_append (cl->priv->model, &tree_iter);
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gtk_list_store_set (cl->priv->model, &tree_iter,
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COLUMN_ENABLED, TRUE,
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COLUMN_NAME, name,
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COLUMN_STYLE, PANGO_STYLE_ITALIC,
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-1);
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}
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}
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gtk_widget_destroy (dialog);
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}
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static void
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read_classes_from_style_context (GtkInspectorClassesList *cl)
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{
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GList *l, *classes;
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GtkInspectorClassesListByContext *c;
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GtkTreeIter tree_iter;
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GHashTable *hash_context;
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hash_context = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
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classes = gtk_style_context_list_classes (cl->priv->context);
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for (l = classes; l; l = l->next)
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{
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c = g_new0 (GtkInspectorClassesListByContext, 1);
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c->enabled = TRUE;
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g_hash_table_insert (hash_context, g_strdup (l->data), c);
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gtk_list_store_append (cl->priv->model, &tree_iter);
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gtk_list_store_set (cl->priv->model, &tree_iter,
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COLUMN_ENABLED, TRUE,
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COLUMN_NAME, l->data,
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COLUMN_STYLE, PANGO_STYLE_NORMAL,
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-1);
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}
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g_list_free (classes);
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set_hash_context (cl, hash_context);
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}
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static void
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restore_defaults_clicked (GtkButton *button,
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GtkInspectorClassesList *cl)
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{
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GHashTableIter hash_iter;
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gchar *name;
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GtkInspectorClassesListByContext *c;
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GHashTable *hash_context;
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hash_context = get_hash_context (cl);
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g_hash_table_iter_init (&hash_iter, hash_context);
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while (g_hash_table_iter_next (&hash_iter, (gpointer *)&name, (gpointer *)&c))
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{
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if (c->style == PANGO_STYLE_ITALIC)
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gtk_style_context_remove_class (cl->priv->context, name);
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else if (!c->enabled)
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gtk_style_context_add_class (cl->priv->context, name);
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}
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gtk_list_store_clear (cl->priv->model);
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read_classes_from_style_context (cl);
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}
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static void
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gtk_inspector_classes_list_init (GtkInspectorClassesList *cl)
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{
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cl->priv = gtk_inspector_classes_list_get_instance_private (cl);
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gtk_widget_init_template (GTK_WIDGET (cl));
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}
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static void gtk_inspector_classes_list_remove_dead_object (gpointer data, GObject *dead_object);
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static void
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cleanup_context (GtkInspectorClassesList *cl)
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{
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if (cl->priv->context)
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{
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g_object_weak_unref (G_OBJECT (cl->priv->context),gtk_inspector_classes_list_remove_dead_object, cl);
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cl->priv->context = NULL;
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}
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if (cl->priv->model)
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gtk_list_store_clear (cl->priv->model);
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}
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static void
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gtk_inspector_classes_list_remove_dead_object (gpointer data, GObject *dead_object)
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{
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GtkInspectorClassesList *cl = data;
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cl->priv->context = NULL;
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cleanup_context (cl);
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gtk_widget_hide (GTK_WIDGET (cl));
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}
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void
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gtk_inspector_classes_list_set_object (GtkInspectorClassesList *cl,
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GObject *object)
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{
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GHashTable *hash_context;
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GtkTreeIter tree_iter;
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GtkInspectorClassesListByContext *c;
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cleanup_context (cl);
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if (!GTK_IS_WIDGET (object))
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{
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gtk_widget_hide (GTK_WIDGET (cl));
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return;
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}
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gtk_widget_show (GTK_WIDGET (cl));
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cl->priv->context = gtk_widget_get_style_context (GTK_WIDGET (object));
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g_object_weak_ref (G_OBJECT (cl->priv->context), gtk_inspector_classes_list_remove_dead_object, cl);
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hash_context = get_hash_context (cl);
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if (hash_context)
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{
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GHashTableIter hash_iter;
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gchar *name;
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g_hash_table_iter_init (&hash_iter, hash_context);
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while (g_hash_table_iter_next (&hash_iter, (gpointer *)&name, (gpointer *)&c))
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{
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gtk_list_store_append (cl->priv->model, &tree_iter);
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gtk_list_store_set (cl->priv->model, &tree_iter,
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COLUMN_ENABLED, c->enabled,
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COLUMN_NAME, name,
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COLUMN_STYLE, c->style,
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-1);
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}
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}
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else
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read_classes_from_style_context (cl);
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}
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static void
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gtk_inspector_classes_list_finalize (GObject *object)
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{
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GtkInspectorClassesList *cl = GTK_INSPECTOR_CLASSES_LIST (object);
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cleanup_context (cl);
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G_OBJECT_CLASS (gtk_inspector_classes_list_parent_class)->finalize (object);
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}
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static void
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gtk_inspector_classes_list_class_init (GtkInspectorClassesListClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gtk_inspector_classes_list_finalize;
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gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/inspector/classes-list.ui");
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gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorClassesList, model);
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gtk_widget_class_bind_template_callback (widget_class, add_clicked);
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gtk_widget_class_bind_template_callback (widget_class, restore_defaults_clicked);
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gtk_widget_class_bind_template_callback (widget_class, enabled_toggled);
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}
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// vim: set et sw=2 ts=2:
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