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gnome-control-center/panels/keyboard/gnome-keyboard-panel.c

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/* This program was written with lots of love under the GPL by Jonathan
* Blandford <jrb@gnome.org>
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#include <gdk/gdkkeysyms.h>
#include <libgnome-control-center/cc-shell.h>
#include "gnome-keyboard-panel.h"
#define MAX_ELEMENTS_BEFORE_SCROLLING 10
#define MAX_CUSTOM_SHORTCUTS 1000
#define RESPONSE_ADD 0
#define RESPONSE_REMOVE 1
static gboolean block_accels = FALSE;
static GHashTable *keyb_sections = NULL;
static char*
binding_name (guint keyval,
guint keycode,
EggVirtualModifierType mask,
gboolean translate)
{
if (keyval != 0 || keycode != 0)
return translate ?
egg_virtual_accelerator_label (keyval, keycode, mask) :
egg_virtual_accelerator_name (keyval, keycode, mask);
else
return g_strdup (translate ? _("Disabled") : "");
}
static gboolean
keybinding_key_changed_foreach (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer user_data)
{
KeyEntry *key_entry;
KeyEntry *tmp_key_entry;
key_entry = (KeyEntry *)user_data;
gtk_tree_model_get (key_entry->model, iter,
KEYENTRY_COLUMN, &tmp_key_entry,
-1);
if (key_entry == tmp_key_entry)
{
gtk_tree_model_row_changed (key_entry->model, path, iter);
return TRUE;
}
return FALSE;
}
static void
keybinding_key_changed (GConfClient *client,
guint cnxn_id,
GConfEntry *entry,
gpointer user_data)
{
KeyEntry *key_entry;
const gchar *key_value;
key_entry = (KeyEntry *) user_data;
key_value = entry->value ? gconf_value_get_string (entry->value) : NULL;
binding_from_string (key_value, &key_entry->keyval, &key_entry->keycode, &key_entry->mask);
key_entry->editable = gconf_entry_get_is_writable (entry);
/* update the model */
gtk_tree_model_foreach (key_entry->model, keybinding_key_changed_foreach, key_entry);
}
static void
keybinding_description_changed (GConfClient *client,
guint cnxn_id,
GConfEntry *entry,
gpointer user_data)
{
KeyEntry *key_entry;
const gchar *key_value;
key_entry = (KeyEntry *) user_data;
key_value = entry->value ? gconf_value_get_string (entry->value) : NULL;
g_free (key_entry->description);
key_entry->description = key_value ? g_strdup (key_value) : NULL;
key_entry->desc_editable = gconf_entry_get_is_writable (entry);
/* update the model */
gtk_tree_model_foreach (key_entry->model, keybinding_key_changed_foreach, key_entry);
}
static void
keybinding_command_changed (GConfClient *client,
guint cnxn_id,
GConfEntry *entry,
gpointer user_data)
{
KeyEntry *key_entry;
const gchar *key_value;
key_entry = (KeyEntry *) user_data;
key_value = entry->value ? gconf_value_get_string (entry->value) : NULL;
g_free (key_entry->command);
key_entry->command = key_value ? g_strdup (key_value) : NULL;
key_entry->cmd_editable = gconf_entry_get_is_writable (entry);
/* update the model */
gtk_tree_model_foreach (key_entry->model, keybinding_key_changed_foreach, key_entry);
}
static int
keyentry_sort_func (GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer user_data)
{
KeyEntry *key_entry_a;
KeyEntry *key_entry_b;
int retval;
key_entry_a = NULL;
gtk_tree_model_get (model, a,
KEYENTRY_COLUMN, &key_entry_a,
-1);
key_entry_b = NULL;
gtk_tree_model_get (model, b,
KEYENTRY_COLUMN, &key_entry_b,
-1);
if (key_entry_a && key_entry_b)
{
if ((key_entry_a->keyval || key_entry_a->keycode) &&
(key_entry_b->keyval || key_entry_b->keycode))
{
gchar *name_a, *name_b;
name_a = binding_name (key_entry_a->keyval,
key_entry_a->keycode,
key_entry_a->mask,
TRUE);
name_b = binding_name (key_entry_b->keyval,
key_entry_b->keycode,
key_entry_b->mask,
TRUE);
retval = g_utf8_collate (name_a, name_b);
g_free (name_a);
g_free (name_b);
}
else if (key_entry_a->keyval || key_entry_a->keycode)
retval = -1;
else if (key_entry_b->keyval || key_entry_b->keycode)
retval = 1;
else
retval = 0;
}
else if (key_entry_a)
retval = -1;
else if (key_entry_b)
retval = 1;
else
retval = 0;
return retval;
}
static void
clear_old_model (GtkBuilder *builder)
{
GtkWidget *tree_view;
GtkWidget *actions_swindow;
GtkTreeModel *model;
tree_view = WID (builder, "shortcut_treeview");
model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
if (model == NULL)
{
/* create a new model */
model = (GtkTreeModel *) gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING, G_TYPE_POINTER);
gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (model),
KEYENTRY_COLUMN,
keyentry_sort_func,
NULL, NULL);
gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), model);
g_object_unref (model);
}
else
{
/* clear the existing model */
GConfClient *client;
gboolean valid;
GtkTreeIter iter;
KeyEntry *key_entry;
client = gconf_client_get_default ();
/* we need the schema name below;
* cached values do not have that set, though */
gconf_client_clear_cache (client);
for (valid = gtk_tree_model_get_iter_first (model, &iter);
valid;
valid = gtk_tree_model_iter_next (model, &iter))
{
gtk_tree_model_get (model, &iter,
KEYENTRY_COLUMN, &key_entry,
-1);
if (key_entry != NULL)
{
gconf_client_remove_dir (client, key_entry->gconf_key, NULL);
gconf_client_notify_remove (client, key_entry->gconf_cnxn);
if (key_entry->gconf_cnxn_desc != 0)
gconf_client_notify_remove (client, key_entry->gconf_cnxn_desc);
if (key_entry->gconf_cnxn_cmd != 0)
gconf_client_notify_remove (client, key_entry->gconf_cnxn_cmd);
g_free (key_entry->gconf_key);
g_free (key_entry->description);
g_free (key_entry->desc_gconf_key);
g_free (key_entry->command);
g_free (key_entry->cmd_gconf_key);
g_free (key_entry);
}
}
gtk_tree_store_clear (GTK_TREE_STORE (model));
g_object_unref (client);
}
actions_swindow = WID (builder, "actions_swindow");
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (actions_swindow),
GTK_POLICY_NEVER, GTK_POLICY_NEVER);
gtk_widget_set_size_request (actions_swindow, -1, -1);
}
typedef struct {
const char *key;
gboolean found;
} KeyMatchData;
static gboolean
key_match (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
KeyMatchData *match_data = data;
KeyEntry *element;
gtk_tree_model_get (model, iter,
KEYENTRY_COLUMN, &element,
-1);
if (element && g_strcmp0 (element->gconf_key, match_data->key) == 0)
{
match_data->found = TRUE;
return TRUE;
}
return FALSE;
}
static gboolean
key_is_already_shown (GtkTreeModel *model, const KeyListEntry *entry)
{
KeyMatchData data;
data.key = entry->name;
data.found = FALSE;
gtk_tree_model_foreach (model, key_match, &data);
return data.found;
}
static gboolean
count_rows_foreach (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
gint *rows = data;
(*rows)++;
return FALSE;
}
static void
ensure_scrollbar (GtkBuilder *builder, int i)
{
if (i == MAX_ELEMENTS_BEFORE_SCROLLING)
{
GtkRequisition rectangle;
GObject *actions_swindow = gtk_builder_get_object (builder,
"actions_swindow");
GtkWidget *treeview = WID (builder,
"shortcut_treeview");
gtk_widget_ensure_style (treeview);
gtk_widget_size_request (treeview, &rectangle);
gtk_widget_set_size_request (treeview, -1, rectangle.height);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (actions_swindow),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
}
}
static void
find_section (GtkTreeModel *model,
GtkTreeIter *iter,
const char *title)
{
gboolean success;
success = gtk_tree_model_get_iter_first (model, iter);
while (success)
{
char *description = NULL;
gtk_tree_model_get (model, iter,
DESCRIPTION_COLUMN, &description,
-1);
if (g_strcmp0 (description, title) == 0)
return;
success = gtk_tree_model_iter_next (model, iter);
}
gtk_tree_store_append (GTK_TREE_STORE (model), iter, NULL);
gtk_tree_store_set (GTK_TREE_STORE (model), iter,
DESCRIPTION_COLUMN, title,
-1);
}
static void
append_keys_to_tree (GtkBuilder *builder,
const gchar *title,
const KeyListEntry *keys_list)
{
GtkTreeIter parent_iter, iter;
GtkTreeModel *model;
gint i, j;
/* Try to find a section parent iter, if it already exists */
find_section (model, &iter, title);
parent_iter = iter;
i = 0;
gtk_tree_model_foreach (model, count_rows_foreach, &i);
/* If the header we just added is the MAX_ELEMENTS_BEFORE_SCROLLING th,
* then we need to scroll now */
ensure_scrollbar (builder, i - 1);
===============================================================
/* Don't show an empty section */
if (gtk_tree_model_iter_n_children (model, &parent_iter) == 0)
gtk_tree_store_remove (GTK_TREE_STORE (model), &parent_iter);
if (i == 0)
gtk_widget_hide (WID (builder, "shortcuts_vbox"));
else
gtk_widget_show (WID (builder, "shortcuts_vbox"));
}
static void
key_entry_controlling_key_changed (GConfClient *client,
guint cnxn_id,
GConfEntry *entry,
gpointer user_data)
{
reload_key_entries (user_data);
}
static gboolean
cb_check_for_uniqueness (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
KeyEntry *new_key)
{
KeyEntry *element;
gtk_tree_model_get (new_key->model, iter,
KEYENTRY_COLUMN, &element,
-1);
/* no conflict for : blanks, different modifiers, or ourselves */
if (element == NULL || new_key->mask != element->mask ||
!strcmp (new_key->gconf_key, element->gconf_key))
return FALSE;
if (new_key->keyval != 0) {
if (new_key->keyval != element->keyval)
return FALSE;
} else if (element->keyval != 0 || new_key->keycode != element->keycode)
return FALSE;
new_key->editable = FALSE;
new_key->gconf_key = element->gconf_key;
new_key->description = element->description;
new_key->desc_gconf_key = element->desc_gconf_key;
new_key->desc_editable = element->desc_editable;
return TRUE;
}
static const guint forbidden_keyvals[] = {
/* Navigation keys */
GDK_KEY_Home,
GDK_KEY_Left,
GDK_KEY_Up,
GDK_KEY_Right,
GDK_KEY_Down,
GDK_KEY_Page_Up,
GDK_KEY_Page_Down,
GDK_KEY_End,
GDK_KEY_Tab,
/* Return */
GDK_KEY_KP_Enter,
GDK_KEY_Return,
GDK_KEY_space,
GDK_KEY_Mode_switch
};
static gboolean
keyval_is_forbidden (guint keyval)
{
guint i;
for (i = 0; i < G_N_ELEMENTS(forbidden_keyvals); i++) {
if (keyval == forbidden_keyvals[i])
return TRUE;
}
return FALSE;
}
static void
show_error (GtkWindow *parent,
GError *err)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (parent,
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
GTK_MESSAGE_WARNING,
GTK_BUTTONS_OK,
_("Error saving the new shortcut"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", err->message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
static void
accel_edited_callback (GtkCellRendererText *cell,
const char *path_string,
guint keyval,
EggVirtualModifierType mask,
guint keycode,
gpointer data)
{
GConfClient *client;
GtkTreeView *view = (GtkTreeView *)data;
GtkTreeModel *model;
GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
GtkTreeIter iter;
KeyEntry *key_entry, tmp_key;
GError *err = NULL;
char *str;
block_accels = FALSE;
model = gtk_tree_view_get_model (view);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
gtk_tree_model_get (model, &iter,
KEYENTRY_COLUMN, &key_entry,
-1);
/* sanity check */
if (key_entry == NULL)
return;
/* CapsLock isn't supported as a keybinding modifier, so keep it from confusing us */
mask &= ~EGG_VIRTUAL_LOCK_MASK;
tmp_key.model = model;
tmp_key.keyval = keyval;
tmp_key.keycode = keycode;
tmp_key.mask = mask;
tmp_key.gconf_key = key_entry->gconf_key;
tmp_key.description = NULL;
tmp_key.editable = TRUE; /* kludge to stuff in a return flag */
if (keyval != 0 || keycode != 0) /* any number of keys can be disabled */
gtk_tree_model_foreach (model,
(GtkTreeModelForeachFunc) cb_check_for_uniqueness,
&tmp_key);
/* Check for unmodified keys */
if (tmp_key.mask == 0 && tmp_key.keycode != 0)
{
if ((tmp_key.keyval >= GDK_KEY_a && tmp_key.keyval <= GDK_KEY_z)
|| (tmp_key.keyval >= GDK_KEY_A && tmp_key.keyval <= GDK_KEY_Z)
|| (tmp_key.keyval >= GDK_KEY_0 && tmp_key.keyval <= GDK_KEY_9)
|| (tmp_key.keyval >= GDK_KEY_kana_fullstop && tmp_key.keyval <= GDK_KEY_semivoicedsound)
|| (tmp_key.keyval >= GDK_KEY_Arabic_comma && tmp_key.keyval <= GDK_KEY_Arabic_sukun)
|| (tmp_key.keyval >= GDK_KEY_Serbian_dje && tmp_key.keyval <= GDK_KEY_Cyrillic_HARDSIGN)
|| (tmp_key.keyval >= GDK_KEY_Greek_ALPHAaccent && tmp_key.keyval <= GDK_KEY_Greek_omega)
|| (tmp_key.keyval >= GDK_KEY_hebrew_doublelowline && tmp_key.keyval <= GDK_KEY_hebrew_taf)
|| (tmp_key.keyval >= GDK_KEY_Thai_kokai && tmp_key.keyval <= GDK_KEY_Thai_lekkao)
|| (tmp_key.keyval >= GDK_KEY_Hangul && tmp_key.keyval <= GDK_KEY_Hangul_Special)
|| (tmp_key.keyval >= GDK_KEY_Hangul_Kiyeog && tmp_key.keyval <= GDK_KEY_Hangul_J_YeorinHieuh)
|| keyval_is_forbidden (tmp_key.keyval)) {
GtkWidget *dialog;
char *name;
name = binding_name (keyval, keycode, mask, TRUE);
dialog =
gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
GTK_MESSAGE_WARNING,
GTK_BUTTONS_CANCEL,
_("The shortcut \"%s\" cannot be used because it will become impossible to type using this key.\n"
"Please try with a key such as Control, Alt or Shift at the same time."),
name);
g_free (name);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
/* set it back to its previous value. */
egg_cell_renderer_keys_set_accelerator
(EGG_CELL_RENDERER_KEYS (cell),
key_entry->keyval, key_entry->keycode, key_entry->mask);
return;
}
}
/* flag to see if the new accelerator was in use by something */
if (!tmp_key.editable)
{
GtkWidget *dialog;
char *name;
int response;
name = binding_name (keyval, keycode, mask, TRUE);
dialog =
gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
GTK_MESSAGE_WARNING,
GTK_BUTTONS_CANCEL,
_("The shortcut \"%s\" is already used for\n\"%s\""),
name, tmp_key.description ?
tmp_key.description : tmp_key.gconf_key);
g_free (name);
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
_("If you reassign the shortcut to \"%s\", the \"%s\" shortcut "
"will be disabled."),
key_entry->description ?
key_entry->description : key_entry->gconf_key,
tmp_key.description ?
tmp_key.description : tmp_key.gconf_key);
gtk_dialog_add_button (GTK_DIALOG (dialog),
_("_Reassign"),
GTK_RESPONSE_ACCEPT);
gtk_dialog_set_default_response (GTK_DIALOG (dialog),
GTK_RESPONSE_ACCEPT);
response = gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
if (response == GTK_RESPONSE_ACCEPT)
{
GConfClient *client;
client = gconf_client_get_default ();
gconf_client_set_string (client,
tmp_key.gconf_key,
"", &err);
if (err != NULL)
{
show_error (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
err);
g_error_free (err);
g_object_unref (client);
return;
}
str = binding_name (keyval, keycode, mask, FALSE);
gconf_client_set_string (client,
key_entry->gconf_key,
str, &err);
if (err != NULL)
{
show_error (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
err);
g_error_free (err);
/* reset the previous shortcut */
gconf_client_set_string (client,
tmp_key.gconf_key,
str, NULL);
}
g_free (str);
g_object_unref (client);
}
else
{
/* set it back to its previous value. */
egg_cell_renderer_keys_set_accelerator (EGG_CELL_RENDERER_KEYS (cell),
key_entry->keyval,
key_entry->keycode,
key_entry->mask);
}
return;
}
str = binding_name (keyval, keycode, mask, FALSE);
client = gconf_client_get_default ();
gconf_client_set_string (client,
key_entry->gconf_key,
str,
&err);
g_free (str);
g_object_unref (client);
if (err != NULL)
{
show_error (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))), err);
g_error_free (err);
key_entry->editable = FALSE;
}
}
static void
accel_cleared_callback (GtkCellRendererText *cell,
const char *path_string,
gpointer data)
{
GConfClient *client;
GtkTreeView *view = (GtkTreeView *) data;
GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
KeyEntry *key_entry;
GtkTreeIter iter;
GError *err = NULL;
GtkTreeModel *model;
block_accels = FALSE;
model = gtk_tree_view_get_model (view);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
gtk_tree_model_get (model, &iter,
KEYENTRY_COLUMN, &key_entry,
-1);
/* sanity check */
if (key_entry == NULL)
return;
/* Unset the key */
client = gconf_client_get_default();
gconf_client_set_string (client,
key_entry->gconf_key,
"",
&err);
g_object_unref (client);
if (err != NULL)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
GTK_MESSAGE_WARNING,
GTK_BUTTONS_OK,
_("Error unsetting accelerator in configuration database: %s"),
err->message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
g_error_free (err);
key_entry->editable = FALSE;
}
}
static void
description_edited_callback (GtkCellRendererText *renderer,
gchar *path_string,
gchar *new_text,
gpointer user_data)
{
GConfClient *client;
GtkTreeView *view = GTK_TREE_VIEW (user_data);
GtkTreeModel *model;
GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
GtkTreeIter iter;
KeyEntry *key_entry;
model = gtk_tree_view_get_model (view);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
gtk_tree_model_get (model, &iter,
KEYENTRY_COLUMN, &key_entry,
-1);
/* sanity check */
if (key_entry == NULL || key_entry->desc_gconf_key == NULL)
return;
client = gconf_client_get_default ();
if (!gconf_client_set_string (client, key_entry->desc_gconf_key, new_text, NULL))
key_entry->desc_editable = FALSE;
g_object_unref (client);
}
typedef struct
{
GtkTreeView *tree_view;
GtkTreePath *path;
GtkTreeViewColumn *column;
} IdleData;
static gboolean
real_start_editing_cb (IdleData *idle_data)
{
gtk_widget_grab_focus (GTK_WIDGET (idle_data->tree_view));
gtk_tree_view_set_cursor (idle_data->tree_view,
idle_data->path,
idle_data->column,
TRUE);
gtk_tree_path_free (idle_data->path);
g_free (idle_data);
return FALSE;
}
static gboolean
edit_custom_shortcut (KeyEntry *key)
{
gint result;
const gchar *text;
gboolean ret;
gtk_entry_set_text (GTK_ENTRY (custom_shortcut_name_entry), key->description ? key->description : "");
gtk_widget_set_sensitive (custom_shortcut_name_entry, key->desc_editable);
gtk_widget_grab_focus (custom_shortcut_name_entry);
gtk_entry_set_text (GTK_ENTRY (custom_shortcut_command_entry), key->command ? key->command : "");
gtk_widget_set_sensitive (custom_shortcut_command_entry, key->cmd_editable);
gtk_window_present (GTK_WINDOW (custom_shortcut_dialog));
result = gtk_dialog_run (GTK_DIALOG (custom_shortcut_dialog));
switch (result)
{
case GTK_RESPONSE_OK:
text = gtk_entry_get_text (GTK_ENTRY (custom_shortcut_name_entry));
g_free (key->description);
key->description = g_strdup (text);
text = gtk_entry_get_text (GTK_ENTRY (custom_shortcut_command_entry));
g_free (key->command);
key->command = g_strdup (text);
ret = TRUE;
break;
default:
ret = FALSE;
break;
}
gtk_widget_hide (custom_shortcut_dialog);
return ret;
}
static gboolean
remove_custom_shortcut (GtkTreeModel *model, GtkTreeIter *iter)
{
GtkTreeIter parent;
GConfClient *client;
gchar *base;
KeyEntry *key;
gtk_tree_model_get (model, iter,
KEYENTRY_COLUMN, &key,
-1);
/* not a custom shortcut */
if (key->command == NULL)
return FALSE;
client = gconf_client_get_default ();
gconf_client_notify_remove (client, key->gconf_cnxn);
if (key->gconf_cnxn_desc != 0)
gconf_client_notify_remove (client, key->gconf_cnxn_desc);
if (key->gconf_cnxn_cmd != 0)
gconf_client_notify_remove (client, key->gconf_cnxn_cmd);
base = g_path_get_dirname (key->gconf_key);
gconf_client_recursive_unset (client, base, 0, NULL);
g_free (base);
/* suggest sync now so the unset directory actually gets dropped;
* if we don't do this we may end up with 'zombie' shortcuts when
* restarting the app */
gconf_client_suggest_sync (client, NULL);
g_object_unref (client);
g_free (key->gconf_key);
g_free (key->description);
g_free (key->desc_gconf_key);
g_free (key->command);
g_free (key->cmd_gconf_key);
g_free (key);
gtk_tree_model_iter_parent (model, &parent, iter);
gtk_tree_store_remove (GTK_TREE_STORE (model), iter);
if (!gtk_tree_model_iter_has_child (model, &parent))
gtk_tree_store_remove (GTK_TREE_STORE (model), &parent);
return TRUE;
}
static void
update_custom_shortcut (GtkTreeModel *model, GtkTreeIter *iter)
{
KeyEntry *key;
gtk_tree_model_get (model, iter,
KEYENTRY_COLUMN, &key,
-1);
edit_custom_shortcut (key);
if (key->command == NULL || key->command[0] == '\0')
{
remove_custom_shortcut (model, iter);
}
else
{
GConfClient *client;
gtk_tree_store_set (GTK_TREE_STORE (model), iter,
KEYENTRY_COLUMN, key, -1);
client = gconf_client_get_default ();
if (key->description != NULL)
gconf_client_set_string (client, key->desc_gconf_key, key->description, NULL);
else
gconf_client_unset (client, key->desc_gconf_key, NULL);
gconf_client_set_string (client, key->cmd_gconf_key, key->command, NULL);
g_object_unref (client);
}
}
static gchar *
find_free_gconf_key (GError **error)
{
GConfClient *client;
gchar *dir;
int i;
client = gconf_client_get_default ();
for (i = 0; i < MAX_CUSTOM_SHORTCUTS; i++)
{
dir = g_strdup_printf ("%s/custom%d", GCONF_BINDING_DIR, i);
if (!gconf_client_dir_exists (client, dir, NULL))
break;
g_free (dir);
}
if (i == MAX_CUSTOM_SHORTCUTS)
{
dir = NULL;
g_set_error_literal (error,
g_quark_from_string ("Keyboard Shortcuts"),
0,
_("Too many custom shortcuts"));
}
g_object_unref (client);
return dir;
}
static void
add_custom_shortcut (GtkTreeView *tree_view,
GtkTreeModel *model)
{
KeyEntry *key_entry;
GtkTreeIter iter;
GtkTreeIter parent_iter;
GtkTreePath *path;
gchar *dir;
GConfClient *client;
GError *error;
error = NULL;
dir = find_free_gconf_key (&error);
if (dir == NULL)
{
show_error (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (tree_view))), error);
g_error_free (error);
return;
}
key_entry = g_new0 (KeyEntry, 1);
key_entry->gconf_key = g_strconcat (dir, "/binding", NULL);
key_entry->editable = TRUE;
key_entry->model = model;
key_entry->desc_gconf_key = g_strconcat (dir, "/name", NULL);
key_entry->description = g_strdup ("");
key_entry->desc_editable = TRUE;
key_entry->cmd_gconf_key = g_strconcat (dir, "/action", NULL);
key_entry->command = g_strdup ("");
key_entry->cmd_editable = TRUE;
g_free (dir);
if (edit_custom_shortcut (key_entry) &&
key_entry->command && key_entry->command[0])
{
find_section (model, &iter, _("Custom Shortcuts"));
parent_iter = iter;
gtk_tree_store_append (GTK_TREE_STORE (model), &iter, &parent_iter);
gtk_tree_store_set (GTK_TREE_STORE (model), &iter, KEYENTRY_COLUMN, key_entry, -1);
/* store in gconf */
client = gconf_client_get_default ();
gconf_client_set_string (client, key_entry->gconf_key, "", NULL);
gconf_client_set_string (client, key_entry->desc_gconf_key, key_entry->description, NULL);
gconf_client_set_string (client, key_entry->cmd_gconf_key, key_entry->command, NULL);
/* add gconf watches */
key_entry->gconf_cnxn_desc = gconf_client_notify_add (client,
key_entry->desc_gconf_key,
(GConfClientNotifyFunc) &keybinding_description_changed,
key_entry, NULL, NULL);
key_entry->gconf_cnxn_cmd = gconf_client_notify_add (client,
key_entry->cmd_gconf_key,
(GConfClientNotifyFunc) &keybinding_command_changed,
key_entry, NULL, NULL);
key_entry->gconf_cnxn = gconf_client_notify_add (client,
key_entry->gconf_key,
(GConfClientNotifyFunc) &keybinding_key_changed,
key_entry, NULL, NULL);
g_object_unref (client);
/* make the new shortcut visible */
path = gtk_tree_model_get_path (model, &iter);
gtk_tree_view_expand_to_path (tree_view, path);
gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0, 0);
gtk_tree_path_free (path);
}
else
{
g_free (key_entry->gconf_key);
g_free (key_entry->description);
g_free (key_entry->desc_gconf_key);
g_free (key_entry->command);
g_free (key_entry->cmd_gconf_key);
g_free (key_entry);
}
}
static void
start_editing_kb_cb (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
gpointer user_data)
{
GtkTreeModel *model;
GtkTreeIter iter;
KeyEntry *key;
model = gtk_tree_view_get_model (treeview);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter,
KEYENTRY_COLUMN, &key,
-1);
if (key == NULL)
{
/* This is a section heading - expand or collapse */
if (gtk_tree_view_row_expanded (treeview, path))
gtk_tree_view_collapse_row (treeview, path);
else
gtk_tree_view_expand_row (treeview, path, FALSE);
return;
}
/* if only the accel can be edited on the selected row
* always select the accel column */
if (key->desc_editable &&
column == gtk_tree_view_get_column (treeview, 0))
{
gtk_widget_grab_focus (GTK_WIDGET (treeview));
gtk_tree_view_set_cursor (treeview, path,
gtk_tree_view_get_column (treeview, 0),
FALSE);
update_custom_shortcut (model, &iter);
}
else
{
gtk_widget_grab_focus (GTK_WIDGET (treeview));
gtk_tree_view_set_cursor (treeview,
path,
gtk_tree_view_get_column (treeview, 1),
TRUE);
}
}
static gboolean
start_editing_cb (GtkTreeView *tree_view,
GdkEventButton *event,
gpointer user_data)
{
GtkTreePath *path;
GtkTreeViewColumn *column;
if (event->window != gtk_tree_view_get_bin_window (tree_view))
return FALSE;
if (gtk_tree_view_get_path_at_pos (tree_view,
(gint) event->x,
(gint) event->y,
&path, &column,
NULL, NULL))
{
IdleData *idle_data;
GtkTreeModel *model;
GtkTreeIter iter;
KeyEntry *key;
if (gtk_tree_path_get_depth (path) == 1)
{
gtk_tree_path_free (path);
return FALSE;
}
model = gtk_tree_view_get_model (tree_view);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter,
KEYENTRY_COLUMN, &key,
-1);
/* if only the accel can be edited on the selected row
* always select the accel column */
if (key->desc_editable &&
column == gtk_tree_view_get_column (tree_view, 0))
{
gtk_widget_grab_focus (GTK_WIDGET (tree_view));
gtk_tree_view_set_cursor (tree_view, path,
gtk_tree_view_get_column (tree_view, 0),
FALSE);
update_custom_shortcut (model, &iter);
}
else
{
idle_data = g_new (IdleData, 1);
idle_data->tree_view = tree_view;
idle_data->path = path;
idle_data->column = key->desc_editable ? column :
gtk_tree_view_get_column (tree_view, 1);
g_idle_add ((GSourceFunc) real_start_editing_cb, idle_data);
block_accels = TRUE;
}
g_signal_stop_emission_by_name (tree_view, "button_press_event");
}
return TRUE;
}
/* this handler is used to keep accels from activating while the user
* is assigning a new shortcut so that he won't accidentally trigger one
* of the widgets */
static gboolean
maybe_block_accels (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data)
{
if (block_accels)
{
return gtk_window_propagate_key_event (GTK_WINDOW (widget), event);
}
return FALSE;
}
#if 0
static void
cb_dialog_response (GtkWidget *widget, gint response_id, gpointer data)
{
GtkBuilder *builder = data;
GtkTreeView *treeview;
GtkTreeModel *model;
GtkTreeSelection *selection;
GtkTreeIter iter;
treeview = GTK_TREE_VIEW (gtk_builder_get_object (builder,
"shortcut_treeview"));
model = gtk_tree_view_get_model (treeview);
if (response_id == GTK_RESPONSE_HELP)
{
capplet_help (GTK_WINDOW (widget),
"goscustdesk-39");
}
else if (response_id == RESPONSE_ADD)
{
add_custom_shortcut (treeview, model);
}
else if (response_id == RESPONSE_REMOVE)
{
selection = gtk_tree_view_get_selection (treeview);
if (gtk_tree_selection_get_selected (selection, NULL, &iter))
{
remove_custom_shortcut (model, &iter);
}
}
else
{
clear_old_model (builder);
gtk_main_quit ();
}
}
#endif
static void
add_button_clicked (GtkWidget *button,
GtkBuilder *builder)
{
GtkTreeView *treeview;
GtkTreeModel *model;
treeview = GTK_TREE_VIEW (gtk_builder_get_object (builder,
"shortcut_treeview"));
model = gtk_tree_view_get_model (treeview);
add_custom_shortcut (treeview, model);
}
static void
remove_button_clicked (GtkWidget *button,
GtkBuilder *builder)
{
GtkTreeView *treeview;
GtkTreeModel *model;
GtkTreeSelection *selection;
GtkTreeIter iter;
treeview = GTK_TREE_VIEW (gtk_builder_get_object (builder,
"shortcut_treeview"));
model = gtk_tree_view_get_model (treeview);
selection = gtk_tree_view_get_selection (treeview);
if (gtk_tree_selection_get_selected (selection, NULL, &iter))
{
remove_custom_shortcut (model, &iter);
}
}
static void
on_window_manager_change (const char *wm_name, GtkBuilder *builder)
{
reload_key_entries (builder);
}
void
gnome_keybinding_properties_init (CcPanel *panel, GtkBuilder *builder)
{
wm_common_register_window_manager_change ((GFunc) on_window_manager_change,
builder);
}
void
gnome_keybinding_properties_dispose (CcPanel *panel)
{
if (maybe_block_accels_id != 0)
{
CcShell *shell;
GtkWidget *toplevel;
shell = cc_panel_get_shell (CC_PANEL (panel));
toplevel = cc_shell_get_toplevel (shell);
g_signal_handler_disconnect (toplevel, maybe_block_accels_id);
maybe_block_accels_id = 0;
if (keyb_sections != NULL)
g_hash_table_destroy (keyb_sections);
}
}
/*
* vim: sw=2 ts=8 cindent noai bs=2
*/
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