1 /* gtkcellrendereraccel.h
2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
22 #include "gtkaccelgroup.h"
23 #include "gtkmarshalers.h"
24 #include "gtkcellrendereraccel.h"
26 #include "gtkeventbox.h"
27 #include "gtkprivate.h"
28 #include "gdk/gdkkeysyms.h"
32 static void gtk_cell_renderer_accel_get_property (GObject *object,
36 static void gtk_cell_renderer_accel_set_property (GObject *object,
40 static void gtk_cell_renderer_accel_get_size (GtkCellRenderer *cell,
42 GdkRectangle *cell_area,
47 static GtkCellEditable *
48 gtk_cell_renderer_accel_start_editing (GtkCellRenderer *cell,
52 GdkRectangle *background_area,
53 GdkRectangle *cell_area,
54 GtkCellRendererState flags);
55 static gchar *convert_keysym_state_to_string (GtkCellRendererAccel *accel,
74 static guint signals[LAST_SIGNAL] = { 0 };
76 G_DEFINE_TYPE (GtkCellRendererAccel, gtk_cell_renderer_accel, GTK_TYPE_CELL_RENDERER_TEXT)
79 gtk_cell_renderer_accel_init (GtkCellRendererAccel *cell_accel)
83 text = convert_keysym_state_to_string (cell_accel, 0, 0, 0);
84 g_object_set (cell_accel, "text", text, NULL);
89 gtk_cell_renderer_accel_class_init (GtkCellRendererAccelClass *cell_accel_class)
91 GObjectClass *object_class;
92 GtkCellRendererClass *cell_renderer_class;
94 object_class = G_OBJECT_CLASS (cell_accel_class);
95 cell_renderer_class = GTK_CELL_RENDERER_CLASS (cell_accel_class);
97 object_class->set_property = gtk_cell_renderer_accel_set_property;
98 object_class->get_property = gtk_cell_renderer_accel_get_property;
100 cell_renderer_class->get_size = gtk_cell_renderer_accel_get_size;
101 cell_renderer_class->start_editing = gtk_cell_renderer_accel_start_editing;
104 * GtkCellRendererAccel:accel-key:
106 * The keyval of the accelerator.
110 g_object_class_install_property (object_class,
112 g_param_spec_uint ("accel-key",
113 P_("Accelerator key"),
114 P_("The keyval of the accelerator"),
118 GTK_PARAM_READWRITE));
121 * GtkCellRendererAccel:accel-mods:
123 * The modifier mask of the accelerator.
127 g_object_class_install_property (object_class,
129 g_param_spec_flags ("accel-mods",
130 P_("Accelerator modifiers"),
131 P_("The modifier mask of the accelerator"),
132 GDK_TYPE_MODIFIER_TYPE,
134 GTK_PARAM_READWRITE));
137 * GtkCellRendererAccel:keycode:
139 * The hardware keycode of the accelerator. Note that the hardware keycode is
140 * only relevant if the key does not have a keyval. Normally, the keyboard
141 * configuration should assign keyvals to all keys.
145 g_object_class_install_property (object_class,
147 g_param_spec_uint ("keycode",
148 P_("Accelerator keycode"),
149 P_("The hardware keycode of the accelerator"),
153 GTK_PARAM_READWRITE));
156 * GtkCellRendererAccel:accel-mode:
158 * Determines if the edited accelerators are GTK+ accelerators. If
159 * they are, consumed modifiers are suppressed, only accelerators
160 * accepted by GTK+ are allowed, and the accelerators are rendered
161 * in the same way as they are in menus.
165 g_object_class_install_property (object_class,
167 g_param_spec_enum ("accel-mode",
168 P_("Accelerator Mode"),
169 P_("The type of accelerators"),
170 GTK_TYPE_CELL_RENDERER_ACCEL_MODE,
171 GTK_CELL_RENDERER_ACCEL_MODE_GTK,
172 GTK_PARAM_READWRITE));
175 * GtkCellRendererAccel::accel-edited:
176 * @accel: the object reveiving the signal
177 * @path_string: the path identifying the row of the edited cell
178 * @accel_key: the new accelerator keyval
179 * @accel_mods: the new acclerator modifier mask
180 * @hardware_keycode: the keycode of the new accelerator
182 * Gets emitted when the user has selected a new accelerator.
186 signals[ACCEL_EDITED] = g_signal_new (I_("accel-edited"),
187 GTK_TYPE_CELL_RENDERER_ACCEL,
189 G_STRUCT_OFFSET (GtkCellRendererAccelClass, accel_edited),
191 _gtk_marshal_VOID__STRING_UINT_FLAGS_UINT,
195 GDK_TYPE_MODIFIER_TYPE,
199 * GtkCellRendererAccel::accel-cleared:
200 * @accel: the object reveiving the signal
201 * @path_string: the path identifying the row of the edited cell
203 * Gets emitted when the user has removed the accelerator.
207 signals[ACCEL_CLEARED] = g_signal_new (I_("accel-cleared"),
208 GTK_TYPE_CELL_RENDERER_ACCEL,
210 G_STRUCT_OFFSET (GtkCellRendererAccelClass, accel_cleared),
212 g_cclosure_marshal_VOID__STRING,
219 * gtk_cell_renderer_accel_new:
221 * Creates a new #GtkCellRendererAccel.
223 * Returns: the new cell renderer
228 gtk_cell_renderer_accel_new (void)
230 return g_object_new (GTK_TYPE_CELL_RENDERER_ACCEL, NULL);
234 convert_keysym_state_to_string (GtkCellRendererAccel *accel,
236 GdkModifierType mask,
239 if (keysym == 0 && keycode == 0)
240 /* This label is displayed in a treeview cell displaying
241 * a disabled accelerator key combination.
243 return g_strdup (C_("Accelerator", "Disabled"));
246 if (accel->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
248 if (!gtk_accelerator_valid (keysym, mask))
249 /* This label is displayed in a treeview cell displaying
250 * an accelerator key combination that is not valid according
251 * to gtk_accelerator_valid().
253 return g_strdup (C_("Accelerator", "Invalid"));
255 return gtk_accelerator_get_label (keysym, mask);
261 name = gtk_accelerator_get_label (keysym, mask);
263 name = gtk_accelerator_name (keysym, mask);
270 name = g_strdup_printf ("%s0x%02x", tmp, keycode);
280 gtk_cell_renderer_accel_get_property (GObject *object,
285 GtkCellRendererAccel *accel = GTK_CELL_RENDERER_ACCEL (object);
290 g_value_set_uint (value, accel->accel_key);
293 case PROP_ACCEL_MODS:
294 g_value_set_flags (value, accel->accel_mods);
298 g_value_set_uint (value, accel->keycode);
301 case PROP_ACCEL_MODE:
302 g_value_set_enum (value, accel->accel_mode);
306 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
311 gtk_cell_renderer_accel_set_property (GObject *object,
316 GtkCellRendererAccel *accel = GTK_CELL_RENDERER_ACCEL (object);
317 gboolean changed = FALSE;
323 guint accel_key = g_value_get_uint (value);
325 if (accel->accel_key != accel_key)
327 accel->accel_key = accel_key;
333 case PROP_ACCEL_MODS:
335 guint accel_mods = g_value_get_flags (value);
337 if (accel->accel_mods != accel_mods)
339 accel->accel_mods = accel_mods;
346 guint keycode = g_value_get_uint (value);
348 if (accel->keycode != keycode)
350 accel->keycode = keycode;
356 case PROP_ACCEL_MODE:
357 accel->accel_mode = g_value_get_enum (value);
361 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
368 text = convert_keysym_state_to_string (accel, accel->accel_key, accel->accel_mods, accel->keycode);
369 g_object_set (accel, "text", text, NULL);
375 gtk_cell_renderer_accel_get_size (GtkCellRenderer *cell,
377 GdkRectangle *cell_area,
384 GtkCellRendererAccel *accel = (GtkCellRendererAccel *) cell;
385 GtkRequisition requisition;
387 if (accel->sizing_label == NULL)
388 accel->sizing_label = gtk_label_new (_("New accelerator..."));
390 gtk_widget_size_request (accel->sizing_label, &requisition);
392 GTK_CELL_RENDERER_CLASS (gtk_cell_renderer_accel_parent_class)->get_size (cell, widget, cell_area,
393 x_offset, y_offset, width, height);
395 /* FIXME: need to take the cell_area et al. into account */
397 *width = MAX (*width, requisition.width);
399 *height = MAX (*height, requisition.height);
403 grab_key_callback (GtkWidget *widget,
405 GtkCellRendererAccel *accel)
407 GdkModifierType accel_mods = 0;
412 GdkModifierType consumed_modifiers;
415 display = gtk_widget_get_display (widget);
417 if (event->is_modifier)
423 gdk_keymap_translate_keyboard_state (gdk_keymap_get_for_display (display),
424 event->hardware_keycode,
427 NULL, NULL, NULL, &consumed_modifiers);
429 accel_key = gdk_keyval_to_lower (event->keyval);
430 if (accel_key == GDK_ISO_Left_Tab)
433 accel_mods = event->state & gtk_accelerator_get_default_mod_mask ();
435 /* Filter consumed modifiers
437 if (accel->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
438 accel_mods &= ~consumed_modifiers;
440 /* Put shift back if it changed the case of the key, not otherwise.
442 if (accel_key != event->keyval)
443 accel_mods |= GDK_SHIFT_MASK;
447 switch (event->keyval)
450 goto out; /* cancel */
452 /* clear the accelerator on Backspace */
460 if (accel->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
462 if (!gtk_accelerator_valid (accel_key, accel_mods))
464 gtk_widget_error_bell (widget);
473 gdk_display_keyboard_ungrab (display, event->time);
474 gdk_display_pointer_ungrab (display, event->time);
476 path = g_strdup (g_object_get_data (G_OBJECT (accel->edit_widget), "gtk-cell-renderer-text"));
478 gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (accel->edit_widget));
479 gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (accel->edit_widget));
480 accel->edit_widget = NULL;
481 accel->grab_widget = NULL;
484 g_signal_emit (accel, signals[ACCEL_EDITED], 0, path,
485 accel_key, accel_mods, event->hardware_keycode);
487 g_signal_emit (accel, signals[ACCEL_CLEARED], 0, path);
495 ungrab_stuff (GtkWidget *widget,
496 GtkCellRendererAccel *accel)
498 GdkDisplay *display = gtk_widget_get_display (widget);
500 gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
501 gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
503 g_signal_handlers_disconnect_by_func (G_OBJECT (accel->grab_widget),
504 G_CALLBACK (grab_key_callback),
509 _gtk_cell_editable_event_box_start_editing (GtkCellEditable *cell_editable,
512 /* do nothing, because we are pointless */
516 _gtk_cell_editable_event_box_cell_editable_init (GtkCellEditableIface *iface)
518 iface->start_editing = _gtk_cell_editable_event_box_start_editing;
521 typedef GtkEventBox GtkCellEditableEventBox;
522 typedef GtkEventBoxClass GtkCellEditableEventBoxClass;
524 G_DEFINE_TYPE_WITH_CODE (GtkCellEditableEventBox, _gtk_cell_editable_event_box, GTK_TYPE_EVENT_BOX, { \
525 G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_EDITABLE, _gtk_cell_editable_event_box_cell_editable_init) \
530 _gtk_cell_editable_event_box_class_init (GtkCellEditableEventBoxClass *class)
535 _gtk_cell_editable_event_box_init (GtkCellEditableEventBox *box)
539 static GtkCellEditable *
540 gtk_cell_renderer_accel_start_editing (GtkCellRenderer *cell,
544 GdkRectangle *background_area,
545 GdkRectangle *cell_area,
546 GtkCellRendererState flags)
548 GtkCellRendererText *celltext;
549 GtkCellRendererAccel *accel;
553 celltext = GTK_CELL_RENDERER_TEXT (cell);
554 accel = GTK_CELL_RENDERER_ACCEL (cell);
556 /* If the cell isn't editable we return NULL. */
557 if (celltext->editable == FALSE)
560 g_return_val_if_fail (widget->window != NULL, NULL);
562 if (gdk_keyboard_grab (widget->window, FALSE,
563 gdk_event_get_time (event)) != GDK_GRAB_SUCCESS)
566 if (gdk_pointer_grab (widget->window, FALSE,
567 GDK_BUTTON_PRESS_MASK,
569 gdk_event_get_time (event)) != GDK_GRAB_SUCCESS)
571 gdk_display_keyboard_ungrab (gtk_widget_get_display (widget),
572 gdk_event_get_time (event));
576 accel->grab_widget = widget;
578 g_signal_connect (G_OBJECT (widget), "key-press-event",
579 G_CALLBACK (grab_key_callback),
582 eventbox = g_object_new (_gtk_cell_editable_event_box_get_type (), NULL);
583 accel->edit_widget = eventbox;
584 g_object_add_weak_pointer (G_OBJECT (accel->edit_widget),
585 (gpointer) &accel->edit_widget);
587 label = gtk_label_new (NULL);
588 gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
590 gtk_widget_modify_bg (eventbox, GTK_STATE_NORMAL,
591 &widget->style->bg[GTK_STATE_SELECTED]);
593 gtk_widget_modify_fg (label, GTK_STATE_NORMAL,
594 &widget->style->fg[GTK_STATE_SELECTED]);
596 /* This label is displayed in a treeview cell displaying
597 * an accelerator when the cell is clicked to change the
600 gtk_label_set_text (GTK_LABEL (label), _("New accelerator..."));
602 gtk_container_add (GTK_CONTAINER (eventbox), label);
604 g_object_set_data_full (G_OBJECT (accel->edit_widget), "gtk-cell-renderer-text",
605 g_strdup (path), g_free);
607 gtk_widget_show_all (accel->edit_widget);
609 g_signal_connect (G_OBJECT (accel->edit_widget), "unrealize",
610 G_CALLBACK (ungrab_stuff), accel);
612 return GTK_CELL_EDITABLE (accel->edit_widget);
616 #define __GTK_CELL_RENDERER_ACCEL_C__
617 #include "gtkaliasdef.c"