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midori/katze/katze-utils.c
Christian Dywan 40dc38fd21 Implement and use KATZE_ARRAY_FOREACH_ITEM 
Iterating an array by a GList is considerably faster than
continuously retrieving items, however it is also a lot
more complicated. So the new macro takes care of that and
uses a new semi-private function to avoid copying the list.

Note that the macro can't be nested, which basically isn't
useful in practise anyway.
2010-09-12 00:59:24 +02:00

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/*
Copyright (C) 2007-2009 Christian Dywan <christian@twotoasts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
#include "katze-utils.h"
#include "katze-array.h"
#include <glib/gstdio.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <string.h>
#if HAVE_CONFIG_H
#include "config.h"
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_HILDON_2_2
#include <hildon/hildon.h>
#endif
#if !GTK_CHECK_VERSION (2, 14, 0)
#define gtk_widget_get_window(wdgt) wdgt->window
#endif
#if !GTK_CHECK_VERSION (2, 18, 0)
#define gtk_widget_get_has_window(wdgt) !GTK_WIDGET_NO_WINDOW (wdgt)
#define gtk_widget_get_allocation(wdgt, alloc) *alloc = wdgt->allocation
#endif
static void
proxy_toggle_button_toggled_cb (GtkToggleButton* button,
GObject* object)
{
gboolean toggled;
const gchar* property;
#ifdef HAVE_HILDON_2_2
if (HILDON_IS_CHECK_BUTTON (button))
toggled = hildon_check_button_get_active (HILDON_CHECK_BUTTON (button));
#else
toggled = gtk_toggle_button_get_active (button);
#endif
property = g_object_get_data (G_OBJECT (button), "property");
g_object_set (object, property, toggled, NULL);
}
static void
proxy_file_file_set_cb (GtkFileChooser* button,
GObject* object)
{
const gchar* file = gtk_file_chooser_get_filename (button);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
g_object_set (object, property, file, NULL);
}
static void
proxy_folder_file_set_cb (GtkFileChooser* button,
GObject* object)
{
const gchar* file = gtk_file_chooser_get_current_folder (button);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
g_object_set (object, property, file, NULL);
}
static void
proxy_uri_file_set_cb (GtkFileChooser* button,
GObject* object)
{
const gchar* file = gtk_file_chooser_get_uri (button);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
g_object_set (object, property, file, NULL);
}
static void
proxy_combo_box_text_changed_cb (GtkComboBox* button,
GObject* object)
{
gchar* text = gtk_combo_box_get_active_text (button);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
g_object_set (object, property, text, NULL);
g_free (text);
}
static const gchar*
katze_app_info_get_commandline (GAppInfo* info)
{
const gchar* exe;
#if GLIB_CHECK_VERSION (2, 20, 0)
exe = g_app_info_get_commandline (info);
#else
exe = g_object_get_data (G_OBJECT (info), "katze-cmdline");
#endif
if (!exe)
exe = g_app_info_get_executable (info);
return exe;
}
static gboolean
proxy_entry_focus_out_event_cb (GtkEntry* entry,
GdkEventFocus* event,
GObject* object);
static void
proxy_combo_box_apps_changed_cb (GtkComboBox* button,
GObject* object)
{
guint active = gtk_combo_box_get_active (button);
GtkTreeModel* model = gtk_combo_box_get_model (button);
GtkTreeIter iter;
if (gtk_tree_model_iter_nth_child (model, &iter, NULL, active))
{
GAppInfo* info;
gboolean use_entry;
GtkWidget* child;
const gchar* exe;
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
gtk_tree_model_get (model, &iter, 0, &info, -1);
use_entry = info && !g_app_info_get_icon (info);
child = gtk_bin_get_child (GTK_BIN (button));
if (use_entry && GTK_IS_CELL_VIEW (child))
{
GtkWidget* entry = gtk_entry_new ();
exe = g_app_info_get_executable (info);
if (exe && *exe && strcmp (exe, "%f"))
gtk_entry_set_text (GTK_ENTRY (entry), exe);
gtk_widget_show (entry);
gtk_container_add (GTK_CONTAINER (button), entry);
gtk_widget_grab_focus (entry);
g_signal_connect (entry, "focus-out-event",
G_CALLBACK (proxy_entry_focus_out_event_cb), object);
g_object_set_data_full (G_OBJECT (entry), "property",
g_strdup (property), g_free);
}
else if (!use_entry && GTK_IS_ENTRY (child))
{
/* Force the combo to change the item again */
gtk_widget_destroy (child);
gtk_combo_box_set_active (button, 0);
gtk_combo_box_set_active_iter (button, &iter);
}
if (info)
{
exe = katze_app_info_get_commandline (info);
g_object_set (object, property, exe, NULL);
g_object_unref (info);
}
else
g_object_set (object, property, "", NULL);
}
}
static void
proxy_entry_activate_cb (GtkEntry* entry,
GObject* object)
{
const gchar* text = gtk_entry_get_text (entry);
const gchar* property = g_object_get_data (G_OBJECT (entry), "property");
g_object_set (object, property, text, NULL);
}
static gboolean
proxy_entry_focus_out_event_cb (GtkEntry* entry,
GdkEventFocus* event,
GObject* object)
{
const gchar* text = gtk_entry_get_text (entry);
const gchar* property = g_object_get_data (G_OBJECT (entry), "property");
g_object_set (object, property, text, NULL);
return FALSE;
}
static void
proxy_spin_button_changed_cb (GtkSpinButton* button,
GObject* object)
{
GObjectClass* class = G_OBJECT_GET_CLASS (object);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
GParamSpec* pspec = g_object_class_find_property (class, property);
if (G_PARAM_SPEC_TYPE (pspec) == G_TYPE_PARAM_INT)
{
gint value = gtk_spin_button_get_value_as_int (button);
g_object_set (object, property, value, NULL);
}
else
{
gdouble value = gtk_spin_button_get_value (button);
g_object_set (object, property, value, NULL);
}
}
#ifdef HAVE_HILDON_2_2
static void
proxy_picker_button_changed_cb (HildonPickerButton* button,
GObject* object)
{
gint value = hildon_picker_button_get_active (button);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
g_object_set (object, property, value, NULL);
/* FIXME: Implement custom-PROPERTY */
}
#else
static void
proxy_combo_box_changed_cb (GtkComboBox* button,
GObject* object)
{
gint value = gtk_combo_box_get_active (button);
const gchar* property = g_object_get_data (G_OBJECT (button), "property");
gint custom_value = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
"katze-custom-value"));
const gchar* custom_property = g_object_get_data (G_OBJECT (button),
"katze-custom-property");
if (custom_value)
{
GtkWidget* child = gtk_bin_get_child (GTK_BIN (button));
if (value == custom_value && GTK_IS_CELL_VIEW (child))
{
GtkWidget* entry = gtk_entry_new ();
gchar* custom_text = katze_object_get_string (object, custom_property);
if (custom_text && *custom_text)
gtk_entry_set_text (GTK_ENTRY (entry), custom_text);
g_free (custom_text);
gtk_widget_show (entry);
gtk_container_add (GTK_CONTAINER (button), entry);
gtk_widget_grab_focus (entry);
g_signal_connect (entry, "focus-out-event",
G_CALLBACK (proxy_entry_focus_out_event_cb), object);
g_object_set_data_full (G_OBJECT (entry), "property",
g_strdup (custom_property), g_free);
}
else if (value != custom_value && GTK_IS_ENTRY (child))
{
g_signal_handlers_block_by_func (
button, proxy_combo_box_changed_cb, object);
/* Force the combo to change the item again */
gtk_widget_destroy (child);
gtk_combo_box_set_active (button, value + 1);
gtk_combo_box_set_active (button, value);
g_signal_handlers_unblock_by_func (
button, proxy_combo_box_changed_cb, object);
}
}
g_object_set (object, property, value, NULL);
if (custom_value)
{
#if GTK_CHECK_VERSION (2, 12, 0)
if (value == custom_value)
gtk_widget_set_tooltip_text (GTK_WIDGET (button), NULL);
else
{
gchar* custom_text = katze_object_get_string (object, custom_property);
gtk_widget_set_tooltip_text (GTK_WIDGET (button), custom_text);
g_free (custom_text);
}
#endif
}
}
#endif
static void
proxy_object_notify_boolean_cb (GObject* object,
GParamSpec* pspec,
GtkWidget* proxy)
{
const gchar* property = g_object_get_data (G_OBJECT (proxy), "property");
gboolean value = katze_object_get_boolean (object, property);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (proxy), value);
}
static void
proxy_object_notify_string_cb (GObject* object,
GParamSpec* pspec,
GtkWidget* proxy)
{
const gchar* property = g_object_get_data (G_OBJECT (proxy), "property");
gchar* value = katze_object_get_string (object, property);
gtk_entry_set_text (GTK_ENTRY (proxy), value);
g_free (value);
}
static void
proxy_widget_boolean_destroy_cb (GtkWidget* proxy,
GObject* object)
{
g_signal_handlers_disconnect_by_func (object,
proxy_object_notify_boolean_cb, proxy);
}
static void
proxy_widget_string_destroy_cb (GtkWidget* proxy,
GObject* object)
{
g_signal_handlers_disconnect_by_func (object,
proxy_object_notify_string_cb, proxy);
}
static GList*
katze_app_info_get_all_for_category (const gchar* category)
{
GList* all_apps = g_app_info_get_all ();
GList* apps = NULL;
guint i = 0;
GAppInfo* info;
while ((info = g_list_nth_data (all_apps, i++)))
{
#ifdef GDK_WINDOWING_X11
gchar* filename = g_strconcat ("applications/", g_app_info_get_id (info), NULL);
GKeyFile* file = g_key_file_new ();
if (g_key_file_load_from_data_dirs (file, filename, NULL, G_KEY_FILE_NONE, NULL))
{
gchar* cat = g_key_file_get_string (file, "Desktop Entry",
"Categories", NULL);
if (cat && g_strrstr (cat, category))
apps = g_list_append (apps, info);
g_free (cat);
}
g_key_file_free (file);
g_free (filename);
#else
apps = g_list_append (apps, info);
#endif
}
g_list_free (all_apps);
return apps;
}
#if !GLIB_CHECK_VERSION (2, 20, 0)
/* Icon tokenization, for Glib < 2.20 */
static gboolean
g_icon_to_string_tokenized (GIcon *icon,
GString *s)
{
GPtrArray *tokens;
guint i;
if (G_IS_THEMED_ICON (icon))
{
guint n;
const char * const *names;
tokens = g_ptr_array_new ();
g_object_get (icon, "names", &names, NULL);
for (n = 0; names[n] != NULL; n++)
g_ptr_array_add (tokens, g_strdup (names[n]));
}
else if (G_IS_FILE_ICON (icon))
{
tokens = g_ptr_array_new ();
g_ptr_array_add (tokens,
g_file_get_uri (g_file_icon_get_file (G_FILE_ICON (icon))));
}
else
return FALSE;
g_string_append (s, g_type_name_from_instance ((GTypeInstance *)icon));
for (i = 0; i < tokens->len; i++)
{
char *token = g_ptr_array_index (tokens, i);
g_string_append_c (s, ' ');
g_string_append_uri_escaped (s, token, "!$&'()*+,;=:@/", TRUE);
g_free (token);
}
g_ptr_array_free (tokens, TRUE);
return TRUE;
}
/* GIcon serialization, for Glib < 2.20 */
static gchar *
g_icon_to_string (GIcon *icon)
{
gchar *ret = NULL;
g_return_val_if_fail (G_IS_ICON (icon), NULL);
if (G_IS_FILE_ICON (icon))
{
GFile *file = g_file_icon_get_file (G_FILE_ICON (icon));
if (g_file_is_native (file))
{
ret = g_file_get_path (file);
if (!g_utf8_validate (ret, -1, NULL))
{
g_free (ret);
ret = NULL;
}
}
else
ret = g_file_get_uri (file);
}
else if (G_IS_THEMED_ICON (icon))
{
const char * const *names;
g_object_get (icon, "names", &names, NULL);
if (names && names[0] && names[0][0] != '.' &&
g_utf8_validate (names[0], -1, NULL) && names[1] == NULL)
ret = g_strdup (names[0]);
}
if (ret == NULL)
{
GString *s = g_string_new (". ");
if (g_icon_to_string_tokenized (icon, s))
ret = g_string_free (s, FALSE);
else
g_string_free (s, TRUE);
}
return ret;
}
#endif
/**
* katze_property_proxy:
* @object: a #GObject
* @property: the name of a property
* @hint: a special hint
*
* Create a widget of an appropriate type to represent the specified
* object's property. If the property is writable changes of the value
* through the widget will be reflected in the value of the property.
*
* Supported values for @hint are as follows:
* "blurb": the blurb of the property will be used to provide a kind
* of label, instead of the name.
* "file": the widget created will be particularly suitable for
* choosing an existing filename.
* "folder": the widget created will be particularly suitable for
* choosing an existing folder.
* "uri": the widget created will be particularly suitable for
* choosing an existing filename, encoded as an URI.
* "font": the widget created will be particularly suitable for
* choosing a variable-width font from installed fonts.
* Since 0.1.6 the following hints are also supported:
* "toggle": the widget created will be an empty toggle button. This
* is only supported with boolean properties.
* Since 0.1.8 "toggle" creates GtkCheckButton widgets without checkmarks.
* Since 0.2.0 the following hints are also supported:
* "font-monospace": the widget created will be particularly suitable for
* choosing a fixed-width font from installed fonts.
* Since 0.2.1 the following hints are also supported:
* "application-TYPE": the widget created will be particularly suitable
* for choosing an application to open TYPE files, ie. "text/plain".
* "application-CATEGORY": the widget created will be particularly suitable
* for choosing an application to open CATEGORY files, ie. "Network".
* "custom-PROPERTY": the last value of an enumeration will be the "custom"
* value, where the user may enter text freely, which then updates
* the property PROPERTY instead. This applies only to enumerations.
*
* Any other values for @hint are silently ignored.
*
* Since 0.1.2 strings without hints and booleans are truly synchronous
* including property changes causing the proxy to be updated.
*
* Since 0.2.1 the proxy may contain a label if the platform
* has according widgets.
*
* Return value: a new widget
**/
GtkWidget*
katze_property_proxy (gpointer object,
const gchar* property,
const gchar* hint)
{
GObjectClass* class;
GParamSpec* pspec;
GType type;
const gchar* nick;
const gchar* _hint;
GtkWidget* widget;
gchar* string;
g_return_val_if_fail (G_IS_OBJECT (object), NULL);
class = G_OBJECT_GET_CLASS (object);
pspec = g_object_class_find_property (class, property);
if (!pspec)
{
g_warning (_("Property '%s' is invalid for %s"),
property, G_OBJECT_CLASS_NAME (class));
return gtk_label_new (property);
}
type = G_PARAM_SPEC_TYPE (pspec);
nick = g_param_spec_get_nick (pspec);
_hint = g_intern_string (hint);
if (_hint == g_intern_string ("blurb"))
nick = g_param_spec_get_blurb (pspec);
string = NULL;
if (type == G_TYPE_PARAM_BOOLEAN)
{
gchar* notify_property;
gboolean toggled = katze_object_get_boolean (object, property);
#ifdef HAVE_HILDON_2_2
if (_hint != g_intern_string ("toggle"))
{
widget = hildon_check_button_new (HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH);
gtk_button_set_label (GTK_BUTTON (widget), gettext (nick));
hildon_check_button_set_active (HILDON_CHECK_BUTTON (widget), toggled);
}
else
#endif
{
widget = gtk_check_button_new ();
if (_hint == g_intern_string ("toggle"))
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (widget), FALSE);
else
gtk_button_set_label (GTK_BUTTON (widget), gettext (nick));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), toggled);
}
g_signal_connect (widget, "toggled",
G_CALLBACK (proxy_toggle_button_toggled_cb), object);
notify_property = g_strdup_printf ("notify::%s", property);
g_signal_connect (object, notify_property,
G_CALLBACK (proxy_object_notify_boolean_cb), widget);
g_signal_connect (widget, "destroy",
G_CALLBACK (proxy_widget_boolean_destroy_cb), object);
g_free (notify_property);
}
else if (type == G_TYPE_PARAM_STRING && _hint == g_intern_string ("file"))
{
string = katze_object_get_string (object, property);
widget = gtk_file_chooser_button_new (_("Choose file"),
GTK_FILE_CHOOSER_ACTION_OPEN);
if (!string)
string = g_strdup (G_PARAM_SPEC_STRING (pspec)->default_value);
gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (widget),
string ? string : "");
if (pspec->flags & G_PARAM_WRITABLE)
g_signal_connect (widget, "selection-changed",
G_CALLBACK (proxy_file_file_set_cb), object);
}
else if (type == G_TYPE_PARAM_STRING && _hint == g_intern_string ("folder"))
{
string = katze_object_get_string (object, property);
widget = gtk_file_chooser_button_new (_("Choose folder"),
GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
if (!string)
string = g_strdup (G_PARAM_SPEC_STRING (pspec)->default_value);
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (widget),
string ? string : "");
if (pspec->flags & G_PARAM_WRITABLE)
g_signal_connect (widget, "selection-changed",
G_CALLBACK (proxy_folder_file_set_cb), object);
}
else if (type == G_TYPE_PARAM_STRING && _hint == g_intern_string ("uri"))
{
string = katze_object_get_string (object, property);
widget = gtk_file_chooser_button_new (_("Choose file"),
GTK_FILE_CHOOSER_ACTION_OPEN);
if (!string)
string = g_strdup (G_PARAM_SPEC_STRING (pspec)->default_value);
gtk_file_chooser_set_uri (GTK_FILE_CHOOSER (widget),
string ? string : "");
#if GTK_CHECK_VERSION (2, 12, 0)
g_signal_connect (widget, "file-set",
G_CALLBACK (proxy_uri_file_set_cb), object);
#else
if (pspec->flags & G_PARAM_WRITABLE)
g_signal_connect (widget, "selection-changed",
G_CALLBACK (proxy_uri_file_set_cb), object);
#endif
}
else if (type == G_TYPE_PARAM_STRING && (_hint == g_intern_string ("font")
|| _hint == g_intern_string ("font-monospace")))
{
GtkComboBox* combo;
gint n_families, i;
PangoContext* context;
PangoFontFamily** families;
gboolean monospace = _hint == g_intern_string ("font-monospace");
string = katze_object_get_string (object, property);
widget = gtk_combo_box_new_text ();
combo = GTK_COMBO_BOX (widget);
context = gtk_widget_get_pango_context (widget);
pango_context_list_families (context, &families, &n_families);
if (!string)
string = g_strdup (G_PARAM_SPEC_STRING (pspec)->default_value);
/* 'sans' and 'sans-serif' are presumably the same */
if (!g_strcmp0 (string, "sans-serif"))
katze_assign (string, g_strdup ("sans"));
if (string)
{
gint j = 0;
for (i = 0; i < n_families; i++)
{
const gchar* font = pango_font_family_get_name (families[i]);
if (monospace != pango_font_family_is_monospace (families[i]))
continue;
gtk_combo_box_append_text (combo, font);
if (!g_ascii_strcasecmp (font, string))
gtk_combo_box_set_active (combo, j);
j++;
}
}
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (
gtk_combo_box_get_model (combo)), 0, GTK_SORT_ASCENDING);
g_signal_connect (widget, "changed",
G_CALLBACK (proxy_combo_box_text_changed_cb), object);
g_free (families);
}
else if (type == G_TYPE_PARAM_STRING && hint && g_str_has_prefix (hint, "application-"))
{
GtkListStore* model;
GtkCellRenderer* renderer;
GtkComboBox* combo;
GList* apps;
const gchar* app_type = &hint[12];
GtkSettings* settings;
gint icon_width = 16;
settings = gtk_settings_get_for_screen (gdk_screen_get_default ());
gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
&icon_width, NULL);
model = gtk_list_store_new (4, G_TYPE_APP_INFO, G_TYPE_STRING,
G_TYPE_STRING, G_TYPE_INT);
widget = gtk_combo_box_new_with_model (GTK_TREE_MODEL (model));
renderer = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (widget), renderer, FALSE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (widget), renderer, "icon-name", 1);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (widget), renderer, "width", 3);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (widget), renderer, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (widget), renderer, "text", 2);
combo = GTK_COMBO_BOX (widget);
apps = g_app_info_get_all_for_type (app_type);
if (!apps)
apps = katze_app_info_get_all_for_category (app_type);
string = katze_object_get_string (object, property);
if (!g_strcmp0 (string, ""))
katze_assign (string, NULL);
if (apps)
{
GtkTreeIter iter_none;
gint i = 0;
GAppInfo* info;
gtk_list_store_insert_with_values (model, &iter_none, 0,
0, NULL, 1, NULL, 2, _("None"), 3, icon_width, -1);
while ((info = g_list_nth_data (apps, i++)))
{
const gchar* name = g_app_info_get_name (info);
GIcon* icon = g_app_info_get_icon (info);
gchar* icon_name;
GtkTreeIter iter;
if (!g_app_info_should_show (info))
continue;
icon_name = icon ? g_icon_to_string (icon) : NULL;
gtk_list_store_insert_with_values (model, &iter, G_MAXINT,
0, info, 1, icon_name, 2, name, 3, icon_width, -1);
if (string && !strcmp (katze_app_info_get_commandline (info), string))
gtk_combo_box_set_active_iter (combo, &iter);
g_free (icon_name);
}
info = g_app_info_create_from_commandline ("",
"", G_APP_INFO_CREATE_NONE, NULL);
gtk_list_store_insert_with_values (model, NULL, G_MAXINT,
0, info, 1, NULL, 2, _("Custom..."), 3, icon_width, -1);
g_object_unref (info);
if (gtk_combo_box_get_active (combo) == -1)
{
if (string)
{
GtkWidget* entry;
const gchar* exe;
info = g_app_info_create_from_commandline (string,
NULL, G_APP_INFO_CREATE_NONE, NULL);
#if !GLIB_CHECK_VERSION (2, 20, 0)
g_object_set_data (G_OBJECT (info), "katze-cmdline", string);
#endif
entry = gtk_entry_new ();
exe = g_app_info_get_executable (info);
if (exe && *exe && strcmp (exe, "%f"))
gtk_entry_set_text (GTK_ENTRY (entry), string);
gtk_widget_show (entry);
gtk_container_add (GTK_CONTAINER (combo), entry);
g_object_unref (info);
g_signal_connect (entry, "focus-out-event",
G_CALLBACK (proxy_entry_focus_out_event_cb), object);
g_object_set_data_full (G_OBJECT (entry), "property",
g_strdup (property), g_free);
}
else
gtk_combo_box_set_active_iter (combo, &iter_none);
}
}
g_list_free (apps);
g_signal_connect (widget, "changed",
G_CALLBACK (proxy_combo_box_apps_changed_cb), object);
}
else if (type == G_TYPE_PARAM_STRING)
{
gchar* notify_property;
widget = gtk_entry_new ();
g_object_get (object, property, &string, NULL);
if (!string)
string = g_strdup (G_PARAM_SPEC_STRING (pspec)->default_value);
gtk_entry_set_text (GTK_ENTRY (widget), string ? string : "");
g_signal_connect (widget, "activate",
G_CALLBACK (proxy_entry_activate_cb), object);
g_signal_connect (widget, "focus-out-event",
G_CALLBACK (proxy_entry_focus_out_event_cb), object);
notify_property = g_strdup_printf ("notify::%s", property);
g_signal_connect (object, notify_property,
G_CALLBACK (proxy_object_notify_string_cb), widget);
g_signal_connect (widget, "destroy",
G_CALLBACK (proxy_widget_string_destroy_cb), object);
g_free (notify_property);
}
else if (type == G_TYPE_PARAM_FLOAT)
{
gfloat value = katze_object_get_float (object, property);
widget = gtk_spin_button_new_with_range (
G_PARAM_SPEC_FLOAT (pspec)->minimum,
G_PARAM_SPEC_FLOAT (pspec)->maximum, 1);
/* Keep it narrow, 5 + 2 digits are usually fine */
gtk_entry_set_width_chars (GTK_ENTRY (widget), 5 + 2);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (widget), 2);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), value);
g_signal_connect (widget, "value-changed",
G_CALLBACK (proxy_spin_button_changed_cb), object);
}
else if (type == G_TYPE_PARAM_INT)
{
gint value = katze_object_get_int (object, property);
widget = gtk_spin_button_new_with_range (
G_PARAM_SPEC_INT (pspec)->minimum,
G_PARAM_SPEC_INT (pspec)->maximum, 1);
#if HAVE_HILDON
hildon_gtk_entry_set_input_mode (GTK_ENTRY (widget),
HILDON_GTK_INPUT_MODE_NUMERIC);
#endif
/* Keep it narrow, 5 digits are usually fine */
gtk_entry_set_width_chars (GTK_ENTRY (widget), 5);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), value);
g_signal_connect (widget, "value-changed",
G_CALLBACK (proxy_spin_button_changed_cb), object);
}
else if (type == G_TYPE_PARAM_ENUM)
{
guint i;
GEnumClass* enum_class = G_ENUM_CLASS (
g_type_class_ref (pspec->value_type));
gint value = katze_object_get_enum (object, property);
const gchar* custom = NULL;
if (hint && g_str_has_prefix (hint, "custom-"))
custom = &hint[7];
#ifdef HAVE_HILDON_2_2
GtkWidget* selector;
widget = hildon_picker_button_new (
HILDON_SIZE_FINGER_HEIGHT | HILDON_SIZE_AUTO_WIDTH,
HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
selector = hildon_touch_selector_new_text ();
hildon_button_set_title (HILDON_BUTTON (widget), gettext (nick));
hildon_picker_button_set_selector (HILDON_PICKER_BUTTON (widget),
HILDON_TOUCH_SELECTOR (selector));
#else
widget = gtk_combo_box_new_text ();
#endif
for (i = 0; i < enum_class->n_values; i++)
{
const gchar* label = gettext (enum_class->values[i].value_nick);
#ifdef HAVE_HILDON_2_2
hildon_touch_selector_append_text (HILDON_TOUCH_SELECTOR (selector), label);
#else
gtk_combo_box_append_text (GTK_COMBO_BOX (widget), label);
#endif
}
#ifdef HAVE_HILDON_2_2
hildon_touch_selector_set_active (HILDON_TOUCH_SELECTOR (selector), 0, value);
g_signal_connect (widget, "value-changed",
G_CALLBACK (proxy_picker_button_changed_cb), object);
#else
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), value);
g_signal_connect (widget, "changed",
G_CALLBACK (proxy_combo_box_changed_cb), object);
#endif
if (custom)
{
gchar* custom_text = katze_object_get_string (object, custom);
if (value == (gint)(enum_class->n_values - 1))
{
GtkWidget* entry = gtk_entry_new ();
gchar* text = katze_object_get_string (object, custom);
if (text && *text)
gtk_entry_set_text (GTK_ENTRY (entry), text);
gtk_widget_show (entry);
gtk_container_add (GTK_CONTAINER (widget), entry);
g_signal_connect (entry, "focus-out-event",
G_CALLBACK (proxy_entry_focus_out_event_cb), object);
g_object_set_data_full (G_OBJECT (entry), "property",
g_strdup (custom), g_free);
}
#if GTK_CHECK_VERSION (2, 12, 0)
else
gtk_widget_set_tooltip_text (widget, custom_text);
#endif
g_free (custom_text);
g_object_set_data (G_OBJECT (widget), "katze-custom-value",
GINT_TO_POINTER (enum_class->n_values - 1));
g_object_set_data (G_OBJECT (widget), "katze-custom-property",
(gpointer)custom);
}
g_type_class_unref (enum_class);
}
else
widget = gtk_label_new (gettext (nick));
g_free (string);
#if GTK_CHECK_VERSION (2, 12, 0)
if (!gtk_widget_get_tooltip_text (widget))
gtk_widget_set_tooltip_text (widget, g_param_spec_get_blurb (pspec));
#endif
gtk_widget_set_sensitive (widget, pspec->flags & G_PARAM_WRITABLE);
g_object_set_data_full (G_OBJECT (widget), "property",
g_strdup (property), g_free);
return widget;
}
/**
* katze_property_label:
* @object: a #GObject
* @property: the name of a property
*
* Create a label widget displaying the name of the specified object's property.
*
* Return value: a new label widget
*
* Since 0.2.1 the label will be empty if the property proxy for the
* same property would contain a label already.
**/
GtkWidget*
katze_property_label (gpointer object,
const gchar* property)
{
GObjectClass* class;
GParamSpec* pspec;
const gchar* nick;
GtkWidget* widget;
g_return_val_if_fail (G_IS_OBJECT (object), NULL);
class = G_OBJECT_GET_CLASS (object);
pspec = g_object_class_find_property (class, property);
if (!pspec)
{
g_warning (_("Property '%s' is invalid for %s"),
property, G_OBJECT_CLASS_NAME (class));
return gtk_label_new (property);
}
#ifdef HAVE_HILDON_2_2
if (G_PARAM_SPEC_TYPE (pspec) == G_TYPE_PARAM_ENUM)
return gtk_label_new (NULL);
#endif
nick = g_param_spec_get_nick (pspec);
widget = gtk_label_new (nick);
#if GTK_CHECK_VERSION (2, 12, 0)
gtk_widget_set_tooltip_text (widget, g_param_spec_get_blurb (pspec));
#endif
gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
return widget;
}
typedef struct
{
GtkWidget* widget;
KatzeMenuPos position;
} KatzePopupInfo;
static void
katze_widget_popup_position_menu (GtkMenu* menu,
gint* x,
gint* y,
gboolean* push_in,
gpointer user_data)
{
gint wx, wy;
gint menu_width;
GtkAllocation allocation;
GtkRequisition menu_req;
GtkRequisition widget_req;
KatzePopupInfo* info = user_data;
GtkWidget* widget = info->widget;
gint widget_height;
gtk_widget_get_allocation (widget, &allocation);
/* Retrieve size and position of both widget and menu */
if (!gtk_widget_get_has_window (widget))
{
gdk_window_get_position (gtk_widget_get_window (widget), &wx, &wy);
wx += allocation.x;
wy += allocation.y;
}
else
gdk_window_get_origin (gtk_widget_get_window (widget), &wx, &wy);
gtk_widget_size_request (GTK_WIDGET (menu), &menu_req);
gtk_widget_size_request (widget, &widget_req);
menu_width = menu_req.width;
widget_height = widget_req.height; /* Better than allocation.height */
/* Calculate menu position */
if (info->position == KATZE_MENU_POSITION_CURSOR)
; /* Do nothing? */
else if (info->position == KATZE_MENU_POSITION_RIGHT)
{
*x = wx + allocation.width - menu_width;
*y = wy + widget_height;
} else if (info->position == KATZE_MENU_POSITION_LEFT)
{
*x = wx;
*y = wy + widget_height;
}
*push_in = TRUE;
}
/**
* katze_widget_popup:
* @widget: a widget
* @menu: the menu to popup
* @event: a button event, or %NULL
* @pos: the preferred positioning
*
* Pops up the given menu relative to @widget. Use this
* instead of writing custom positioning functions.
*
* Return value: a new label widget
**/
void
katze_widget_popup (GtkWidget* widget,
GtkMenu* menu,
GdkEventButton* event,
KatzeMenuPos pos)
{
int button, event_time;
if (event)
{
button = event->button;
event_time = event->time;
}
else
{
button = 0;
event_time = gtk_get_current_event_time ();
}
if (!gtk_menu_get_attach_widget (menu))
gtk_menu_attach_to_widget (menu, widget, NULL);
if (widget)
{
KatzePopupInfo info = { widget, pos };
gtk_menu_popup (menu, NULL, NULL,
katze_widget_popup_position_menu, &info,
button, event_time);
}
else
gtk_menu_popup (menu, NULL, NULL, NULL, NULL, button, event_time);
}
/**
* katze_image_menu_item_new_ellipsized:
* @label: a label or %NULL
*
* Creates an image menu item where the label is
* reasonably ellipsized for you.
*
* Return value: a new label widget
**/
GtkWidget*
katze_image_menu_item_new_ellipsized (const gchar* label)
{
GtkWidget* menuitem;
GtkWidget* label_widget;
menuitem = gtk_image_menu_item_new ();
label_widget = gtk_label_new (label);
/* FIXME: Should text direction be respected here? */
gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.0);
gtk_label_set_max_width_chars (GTK_LABEL (label_widget), 50);
gtk_label_set_ellipsize (GTK_LABEL (label_widget), PANGO_ELLIPSIZE_MIDDLE);
gtk_widget_show (label_widget);
gtk_container_add (GTK_CONTAINER (menuitem), label_widget);
return menuitem;
}
/**
* katze_pixbuf_new_from_buffer:
* @buffer: Buffer with image data
* @length: Length of the buffer
* @mime_type: a MIME type, or %NULL
* @error: return location for a #GError, or %NULL
*
* Creates a new #GdkPixbuf out of the specified buffer.
*
* You can specify a MIME type if looking at the buffer
* is not enough to determine the right type.
*
* Return value: A newly-allocated #GdkPixbuf
**/
GdkPixbuf*
katze_pixbuf_new_from_buffer (const guchar* buffer,
gsize length,
const gchar* mime_type,
GError** error)
{
/* Proposed for inclusion in GdkPixbuf
See http://bugzilla.gnome.org/show_bug.cgi?id=74291 */
GdkPixbufLoader* loader;
GdkPixbuf* pixbuf;
g_return_val_if_fail (buffer != NULL, NULL);
g_return_val_if_fail (length > 0, NULL);
if (mime_type)
{
loader = gdk_pixbuf_loader_new_with_mime_type (mime_type, error);
if (!loader)
return NULL;
}
else
loader = gdk_pixbuf_loader_new ();
if (!gdk_pixbuf_loader_write (loader, buffer, length, error))
{
g_object_unref (loader);
return NULL;
}
if (!gdk_pixbuf_loader_close (loader, error))
{
g_object_unref (loader);
return NULL;
}
pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
g_object_ref (pixbuf);
g_object_unref (loader);
return pixbuf;
}
/**
* katze_tree_view_get_selected_iter:
* @treeview: a #GtkTreeView
* @model: a pointer to store the model, or %NULL
* @iter: a pointer to store the iter, or %NULL
*
* Determines whether there is a selection in @treeview
* and sets the @iter to the current selection.
*
* If there is a selection and @model is not %NULL, it is
* set to the model, mainly for convenience.
*
* Either @model or @iter or both can be %NULL in which case
* no value will be assigned in any case.
*
* Return value: %TRUE if there is a selection
*
* Since: 0.1.3
**/
gboolean
katze_tree_view_get_selected_iter (GtkTreeView* treeview,
GtkTreeModel** model,
GtkTreeIter* iter)
{
GtkTreeSelection* selection;
g_return_val_if_fail (GTK_IS_TREE_VIEW (treeview), FALSE);
if ((selection = gtk_tree_view_get_selection (treeview)))
if (gtk_tree_selection_get_selected (selection, model, iter))
return TRUE;
return FALSE;
}
void
katze_bookmark_populate_tree_view (KatzeArray* array,
GtkTreeStore* model,
GtkTreeIter* parent)
{
KatzeItem* child;
GtkTreeIter iter;
GtkTreeIter root_iter;
KATZE_ARRAY_FOREACH_ITEM (child, array)
{
if (KATZE_ITEM_IS_BOOKMARK (child))
{
gchar* tooltip = g_markup_escape_text (katze_item_get_uri (child), -1);
gtk_tree_store_insert_with_values (model, NULL, parent,
0, 0, child, 1, tooltip, -1);
g_free (tooltip);
}
else
{
gtk_tree_store_insert_with_values (model, &root_iter, parent,
0, 0, child, -1);
/* That's an invisible dummy, so we always have an expander */
gtk_tree_store_insert_with_values (model, &iter, &root_iter,
0, 0, NULL, -1);
}
}
}
/**
* katze_strip_mnemonics:
* @original: a string with mnemonics
*
* Parses the given string for mnemonics in the form
* "B_utton" or "Button (_U)" and returns a string
* without any mnemonics.
*
* Return value: a newly allocated string without mnemonics
*
* Since: 0.1.8
**/
gchar*
katze_strip_mnemonics (const gchar* original)
{
/* A copy of _gtk_toolbar_elide_underscores
Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
Copied from GTK+ 2.17.1 */
gchar *q, *result;
const gchar *p, *end;
gsize len;
gboolean last_underscore;
if (!original)
return NULL;
len = strlen (original);
q = result = g_malloc (len + 1);
last_underscore = FALSE;
end = original + len;
for (p = original; p < end; p++)
{
if (!last_underscore && *p == '_')
last_underscore = TRUE;
else
{
last_underscore = FALSE;
if (original + 2 <= p && p + 1 <= end &&
p[-2] == '(' && p[-1] == '_' && p[0] != '_' && p[1] == ')')
{
q--;
*q = '\0';
p++;
}
else
*q++ = *p;
}
}
if (last_underscore)
*q++ = '_';
*q = '\0';
return result;
}
/**
* katze_object_has_property:
* @object: a #GObject
* @property: the name of the property
*
* Determine if @object has a property with the specified name.
*
* Return value: a boolean
*
* Since: 0.1.2
**/
gboolean
katze_object_has_property (gpointer object,
const gchar* property)
{
GObjectClass* class;
g_return_val_if_fail (G_IS_OBJECT (object), FALSE);
class = G_OBJECT_GET_CLASS (object);
return g_object_class_find_property (class, property) != NULL;
}
/**
* katze_object_get_boolean:
* @object: a #GObject
* @property: the name of the property to get
*
* Retrieve the boolean value of the specified property.
*
* Return value: a boolean
**/
gboolean
katze_object_get_boolean (gpointer object,
const gchar* property)
{
gboolean value = FALSE;
g_return_val_if_fail (G_IS_OBJECT (object), FALSE);
/* FIXME: Check value type */
g_object_get (object, property, &value, NULL);
return value;
}
/**
* katze_object_get_int:
* @object: a #GObject
* @property: the name of the property to get
*
* Retrieve the integer value of the specified property.
*
* Return value: an integer
**/
gint
katze_object_get_int (gpointer object,
const gchar* property)
{
gint value = -1;
g_return_val_if_fail (G_IS_OBJECT (object), -1);
/* FIXME: Check value type */
g_object_get (object, property, &value, NULL);
return value;
}
/**
* katze_object_get_float:
* @object: a #GObject
* @property: the name of the property to get
*
* Retrieve the float value of the specified property.
*
* Return value: a float
**/
gfloat
katze_object_get_float (gpointer object,
const gchar* property)
{
gfloat value = -1.0f;
g_return_val_if_fail (G_IS_OBJECT (object), -1.0f);
/* FIXME: Check value type */
g_object_get (object, property, &value, NULL);
return value;
}
/**
* katze_object_get_enum:
* @object: a #GObject
* @property: the name of the property to get
*
* Retrieve the enum value of the specified property.
*
* Return value: an enumeration
**/
gint
katze_object_get_enum (gpointer object,
const gchar* property)
{
gint value = -1;
g_return_val_if_fail (G_IS_OBJECT (object), -1);
/* FIXME: Check value type */
g_object_get (object, property, &value, NULL);
return value;
}
/**
* katze_object_get_string:
* @object: a #GObject
* @property: the name of the property to get
*
* Retrieve the string value of the specified property.
*
* Return value: a newly allocated string
**/
gchar*
katze_object_get_string (gpointer object,
const gchar* property)
{
gchar* value = NULL;
g_return_val_if_fail (G_IS_OBJECT (object), NULL);
/* FIXME: Check value type */
g_object_get (object, property, &value, NULL);
return value;
}
/**
* katze_object_get_object:
* @object: a #GObject
* @property: the name of the property to get
*
* Retrieve the object value of the specified property.
*
* Return value: an object
**/
gpointer
katze_object_get_object (gpointer object,
const gchar* property)
{
GObject* value = NULL;
g_return_val_if_fail (G_IS_OBJECT (object), NULL);
/* FIXME: Check value type */
g_object_get (object, property, &value, NULL);
return value;
}
/**
* katze_mkdir_with_parents:
* @pathname: a pathname in the GLib file name encoding
* @mode: permissions to use for newly created directories
*
* Create a directory if it doesn't already exist. Create intermediate
* parent directories as needed, too.
*
* Similar to g_mkdir_with_parents() but returning early if the
* @pathname refers to an existing directory.
*
* Returns: 0 if the directory already exists, or was successfully
* created. Returns -1 if an error occurred, with errno set.
*
* Since: 0.2.1
*/
/* Creating directories recursively
Copyright 2000 Red Hat, Inc.
Originally copied from Glib 2.20, coding style adjusted
Modified to determine file existence early and pathname must be != NULL */
int
katze_mkdir_with_parents (const gchar* pathname,
int mode)
{
gchar* fn, *p;
/* Use g_access instead of g_file_test for better performance */
if (g_access (pathname, F_OK) == 0)
return 0;
fn = g_strdup (pathname);
if (g_path_is_absolute (fn))
p = (gchar *) g_path_skip_root (fn);
else
p = fn;
do
{
while (*p && !G_IS_DIR_SEPARATOR (*p))
p++;
if (!*p)
p = NULL;
else
*p = '\0';
if (g_access (fn, F_OK) != 0)
{
if (g_mkdir (fn, mode) == -1)
{
g_free (fn);
return -1;
}
}
else if (!g_file_test (fn, G_FILE_TEST_IS_DIR))
{
g_free (fn);
return -1;
}
if (p)
{
*p++ = G_DIR_SEPARATOR;
while (*p && G_IS_DIR_SEPARATOR (*p))
p++;
}
}
while (p);
g_free (fn);
return 0;
}
/**
* katze_widget_has_touchscreen_mode:
* @widget: a #GtkWidget, or %NULL
*
* Determines whether @widget should operate in touchscreen
* mode, as determined by GtkSettings or the environment
* variable MIDORI_TOUCHSCREEN.
*
* If @widget is %NULL, the default screen will be used.
*
* Returns: %TRUE if touchscreen mode should be used
*
* Since: 0.2.1
*/
gboolean
katze_widget_has_touchscreen_mode (GtkWidget* widget)
{
const gchar* touchscreen = g_getenv ("MIDORI_TOUCHSCREEN");
if (touchscreen && touchscreen[0] == '1')
return TRUE;
else if (touchscreen && touchscreen[0] == '0')
return FALSE;
else
{
GdkScreen* screen = widget && gtk_widget_has_screen (widget)
? gtk_widget_get_screen (widget) : gdk_screen_get_default ();
GtkSettings* gtk_settings = gtk_settings_get_for_screen (screen);
gboolean enabled;
g_object_get (gtk_settings, "gtk-touchscreen-mode", &enabled, NULL);
return enabled;
}
}
/**
* katze_load_cached_icon:
* @uri: an URI string
* @widget: a #GtkWidget, or %NULL
*
* Loads a cached icon for the specified @uri. If there is no
* icon and @widget is specified, a default will be returned.
*
* Returns: a #GdkPixbuf, or %NULL
*
* Since: 0.2.2
*/
GdkPixbuf*
katze_load_cached_icon (const gchar* uri,
GtkWidget* widget)
{
GdkPixbuf* icon = NULL;
if (g_str_has_prefix (uri, "http://") || g_str_has_prefix (uri,"https://"))
{
guint i;
gchar* icon_uri;
gchar* checksum;
gchar* ext;
gchar* filename;
gchar* path;
i = 8;
while (uri[i] != '\0' && uri[i] != '/')
i++;
if (uri[i] == '/')
{
gchar* ticon_uri = g_strdup (uri);
ticon_uri[i] = '\0';
icon_uri = g_strdup_printf ("%s/favicon.ico", ticon_uri);
g_free (ticon_uri);
}
else
icon_uri = g_strdup_printf ("%s/favicon.ico", uri);
checksum = g_compute_checksum_for_string (G_CHECKSUM_MD5, icon_uri, -1);
ext = g_strrstr (icon_uri, ".");
filename = g_strdup_printf ("%s%s", checksum, ext ? ext : "");
g_free (icon_uri);
g_free (checksum);
path = g_build_filename (g_get_user_cache_dir (), PACKAGE_NAME,
"icons", filename, NULL);
g_free (filename);
if ((icon = gdk_pixbuf_new_from_file_at_size (path, 16, 16, NULL)))
{
g_free (path);
return icon;
}
g_free (path);
}
return icon || !widget ? icon : gtk_widget_render_icon (widget,
GTK_STOCK_FILE, GTK_ICON_SIZE_MENU, NULL);
}
/**
* katze_collfold:
* @str: a non-NULL UTF-8 string
*
* Computes a string without case and decomposited so
* it can be used for comparison.
*
* Return value: a normalized string
*
* Since: 0.2.3
**/
gchar*
katze_collfold (const gchar* str)
{
GString* result = g_string_new (NULL);
const gchar* p = str;
while (*p)
{
gunichar ch = g_unichar_tolower (g_utf8_get_char (p));
gsize len;
gunichar* sch = g_unicode_canonical_decomposition (ch, &len);
guint i = 0;
while (i < len)
g_string_append_unichar (result, sch[i++]);
p = g_utf8_next_char (p);
}
return g_string_free (result, FALSE);
}
/**
* katze_utf8_stristr:
* @haystack: a non-NULL UTF-8 string
* @needle: a normalized non-NULL UTF-8 string
*
* Determines whether @needle is in @haystack, disregarding
* differences in case.
*
* Return value: %TRUE if @needle is found in @haystack
*
* Since: 0.2.3
**/
gboolean
katze_utf8_stristr (const gchar* haystack,
const gchar* needle)
{
#if 0 /* 0,000159 seconds */
/* Too slow for use in completion */
gchar* nhaystack = g_utf8_normalize (haystack, -1, G_NORMALIZE_DEFAULT);
const gchar *p = nhaystack;
gsize len = strlen (needle);
gsize i;
while (*p)
{
for (i = 0; i < len; i++)
if (g_unichar_tolower (g_utf8_get_char (p + i))
!= g_unichar_tolower (g_utf8_get_char (needle + i)))
goto next;
g_free (nhaystack);
return TRUE;
next:
p = g_utf8_next_char (p);
}
g_free (nhaystack);
return FALSE;
#else /* 0,000044 seconds */
/* No unicode matching */
const gchar *p = haystack;
gsize len = strlen (needle);
gsize i;
while (*p)
{
for (i = 0; i < len; i++)
if (g_ascii_tolower (p[i]) != g_ascii_tolower (needle[i]))
goto next;
return TRUE;
next:
p++;
}
return FALSE;
#endif
}
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