[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2008 Red Hat, Inc. |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | */ |
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| 19 | |
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| 20 | #include "config.h" |
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| 21 | |
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| 22 | #include <unistd.h> |
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| 23 | #include <sys/types.h> |
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| 24 | |
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| 25 | #include <string.h> |
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| 26 | |
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| 27 | #include <glib/gi18n.h> |
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| 28 | #include <gtk/gtk.h> |
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| 29 | |
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| 30 | #include "gdm-entry-menu-item.h" |
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| 31 | |
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| 32 | /* same as twitter */ |
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| 33 | #define TEXT_BUFFER_MAX_CHARS 64 |
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| 34 | |
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| 35 | enum |
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| 36 | { |
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| 37 | PROP_0, |
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| 38 | }; |
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| 39 | |
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| 40 | struct _GdmEntryMenuItem |
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| 41 | { |
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| 42 | GtkMenuItem parent; |
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| 43 | |
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| 44 | GtkWidget *hbox; |
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| 45 | GtkWidget *image; |
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| 46 | GtkWidget *entry; |
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| 47 | }; |
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| 48 | |
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| 49 | struct _GdmEntryMenuItemClass |
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| 50 | { |
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| 51 | GtkMenuItemClass parent_class; |
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| 52 | }; |
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| 53 | |
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| 54 | G_DEFINE_TYPE (GdmEntryMenuItem, gdm_entry_menu_item, GTK_TYPE_MENU_ITEM) |
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| 55 | |
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| 56 | static void |
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| 57 | gdm_entry_menu_item_set_property (GObject *object, |
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| 58 | guint param_id, |
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| 59 | const GValue *value, |
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| 60 | GParamSpec *pspec) |
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| 61 | { |
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| 62 | GdmEntryMenuItem *item; |
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| 63 | |
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| 64 | item = GDM_ENTRY_MENU_ITEM (object); |
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| 65 | |
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| 66 | switch (param_id) { |
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| 67 | default: |
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| 68 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); |
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| 69 | break; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | static void |
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| 74 | gdm_entry_menu_item_get_property (GObject *object, |
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| 75 | guint param_id, |
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| 76 | GValue *value, |
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| 77 | GParamSpec *pspec) |
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| 78 | { |
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| 79 | GdmEntryMenuItem *item; |
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| 80 | |
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| 81 | item = GDM_ENTRY_MENU_ITEM (object); |
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| 82 | |
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| 83 | switch (param_id) { |
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| 84 | default: |
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| 85 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); |
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| 86 | break; |
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| 87 | } |
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| 88 | } |
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| 89 | |
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| 90 | static void |
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| 91 | gdm_entry_menu_item_dispose (GObject *object) |
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| 92 | { |
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| 93 | |
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| 94 | (*G_OBJECT_CLASS (gdm_entry_menu_item_parent_class)->dispose) (object); |
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| 95 | } |
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| 96 | |
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| 97 | static gboolean |
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| 98 | gdm_entry_menu_item_button_release (GtkWidget *widget, |
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| 99 | GdkEventButton *event) |
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| 100 | { |
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| 101 | return TRUE; |
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| 102 | } |
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| 103 | |
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| 104 | /* Cut and paste from gtkwindow.c */ |
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| 105 | static void |
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| 106 | send_focus_change (GtkWidget *widget, |
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| 107 | gboolean in) |
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| 108 | { |
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| 109 | GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE); |
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| 110 | |
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| 111 | g_object_ref (widget); |
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| 112 | |
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| 113 | if (in) { |
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| 114 | GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); |
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| 115 | } else { |
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| 116 | GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); |
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| 117 | } |
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| 118 | |
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| 119 | fevent->focus_change.type = GDK_FOCUS_CHANGE; |
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| 120 | fevent->focus_change.window = g_object_ref (widget->window); |
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| 121 | fevent->focus_change.in = in; |
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| 122 | |
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| 123 | gtk_widget_event (widget, fevent); |
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| 124 | |
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| 125 | g_object_notify (G_OBJECT (widget), "has-focus"); |
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| 126 | |
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| 127 | g_object_unref (widget); |
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| 128 | gdk_event_free (fevent); |
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| 129 | } |
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| 130 | |
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| 131 | static gboolean |
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| 132 | gdm_entry_menu_item_button_press (GtkWidget *widget, |
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| 133 | GdkEventButton *event) |
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| 134 | { |
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| 135 | GtkWidget *entry; |
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| 136 | |
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| 137 | entry = GDM_ENTRY_MENU_ITEM (widget)->entry; |
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| 138 | |
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| 139 | if (entry->window != NULL) { |
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| 140 | gdk_window_raise (entry->window); |
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| 141 | } |
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| 142 | |
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| 143 | if (!GTK_WIDGET_HAS_FOCUS (entry)) { |
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| 144 | gtk_widget_grab_focus (entry); |
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| 145 | } |
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| 146 | |
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| 147 | return FALSE; |
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| 148 | } |
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| 149 | |
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| 150 | static void |
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| 151 | gdm_entry_menu_item_realize (GtkWidget *widget) |
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| 152 | { |
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| 153 | if (GTK_WIDGET_CLASS (gdm_entry_menu_item_parent_class)->realize) { |
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| 154 | GTK_WIDGET_CLASS (gdm_entry_menu_item_parent_class)->realize (widget); |
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| 155 | } |
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| 156 | } |
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| 157 | |
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| 158 | static void |
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| 159 | gdm_entry_menu_item_select (GtkItem *item) |
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| 160 | { |
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| 161 | g_return_if_fail (GDM_IS_ENTRY_MENU_ITEM (item)); |
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| 162 | send_focus_change (GTK_WIDGET (GDM_ENTRY_MENU_ITEM (item)->entry), TRUE); |
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| 163 | } |
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| 164 | |
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| 165 | static void |
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| 166 | gdm_entry_menu_item_deselect (GtkItem *item) |
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| 167 | { |
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| 168 | g_return_if_fail (GDM_IS_ENTRY_MENU_ITEM (item)); |
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| 169 | |
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| 170 | send_focus_change (GTK_WIDGET (GDM_ENTRY_MENU_ITEM (item)->entry), FALSE); |
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| 171 | } |
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| 172 | |
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| 173 | static void |
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| 174 | gdm_entry_menu_item_class_init (GdmEntryMenuItemClass *klass) |
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| 175 | { |
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| 176 | GObjectClass *gobject_class; |
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| 177 | GtkWidgetClass *widget_class; |
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| 178 | GtkMenuItemClass *menu_item_class; |
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| 179 | GtkItemClass *item_class; |
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| 180 | |
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| 181 | gobject_class = G_OBJECT_CLASS (klass); |
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| 182 | widget_class = GTK_WIDGET_CLASS (klass); |
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| 183 | menu_item_class = GTK_MENU_ITEM_CLASS (klass); |
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| 184 | item_class = GTK_ITEM_CLASS (klass); |
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| 185 | |
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| 186 | gobject_class->set_property = gdm_entry_menu_item_set_property; |
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| 187 | gobject_class->get_property = gdm_entry_menu_item_get_property; |
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| 188 | gobject_class->dispose = gdm_entry_menu_item_dispose; |
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| 189 | |
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| 190 | widget_class->button_release_event = gdm_entry_menu_item_button_release; |
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| 191 | widget_class->button_press_event = gdm_entry_menu_item_button_press; |
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| 192 | widget_class->realize = gdm_entry_menu_item_realize; |
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| 193 | |
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| 194 | item_class->select = gdm_entry_menu_item_select; |
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| 195 | item_class->deselect = gdm_entry_menu_item_deselect; |
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| 196 | |
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| 197 | menu_item_class->hide_on_activate = FALSE; |
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| 198 | } |
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| 199 | |
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| 200 | static void |
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| 201 | on_entry_show (GtkWidget *widget, |
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| 202 | GdmEntryMenuItem *item) |
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| 203 | { |
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| 204 | if (widget->window != NULL) { |
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| 205 | gdk_window_raise (widget->window); |
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| 206 | } |
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| 207 | send_focus_change (widget, TRUE); |
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| 208 | } |
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| 209 | |
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| 210 | static void |
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| 211 | on_text_buffer_changed (GtkTextBuffer *buffer, |
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| 212 | GdmEntryMenuItem *item) |
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| 213 | { |
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| 214 | int len; |
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| 215 | |
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| 216 | len = gtk_text_buffer_get_char_count (buffer); |
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| 217 | if (len > TEXT_BUFFER_MAX_CHARS) { |
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| 218 | gdk_window_beep (GTK_WIDGET (item)->window); |
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| 219 | } |
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| 220 | } |
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| 221 | |
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| 222 | static void |
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| 223 | on_entry_move_focus (GtkWidget *widget, |
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| 224 | GtkDirectionType direction, |
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| 225 | GdmEntryMenuItem *item) |
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| 226 | { |
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| 227 | g_debug ("focus move"); |
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| 228 | send_focus_change (GTK_WIDGET (GDM_ENTRY_MENU_ITEM (item)->entry), FALSE); |
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| 229 | g_signal_emit_by_name (item, |
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| 230 | "move-focus", |
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| 231 | GTK_DIR_TAB_FORWARD); |
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| 232 | } |
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| 233 | |
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| 234 | static void |
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| 235 | gdm_entry_menu_item_init (GdmEntryMenuItem *item) |
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| 236 | { |
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| 237 | PangoFontDescription *fontdesc; |
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| 238 | PangoFontMetrics *metrics; |
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| 239 | PangoContext *context; |
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| 240 | PangoLanguage *lang; |
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| 241 | int ascent; |
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| 242 | GtkTextBuffer *buffer; |
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| 243 | |
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| 244 | item->hbox = gtk_hbox_new (FALSE, 6); |
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| 245 | gtk_container_add (GTK_CONTAINER (item), item->hbox); |
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| 246 | |
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| 247 | item->image = gtk_image_new (); |
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| 248 | gtk_box_pack_start (GTK_BOX (item->hbox), item->image, FALSE, FALSE, 0); |
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| 249 | |
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| 250 | item->entry = gtk_text_view_new (); |
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| 251 | gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (item->entry), FALSE); |
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| 252 | gtk_text_view_set_editable (GTK_TEXT_VIEW (item->entry), TRUE); |
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| 253 | gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (item->entry), |
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| 254 | GTK_WRAP_WORD); |
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| 255 | g_signal_connect (item->entry, |
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| 256 | "show", |
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| 257 | G_CALLBACK (on_entry_show), |
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| 258 | item); |
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| 259 | g_signal_connect (item->entry, |
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| 260 | "move-focus", |
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| 261 | G_CALLBACK (on_entry_move_focus), |
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| 262 | item); |
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| 263 | |
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| 264 | buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (item->entry)); |
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| 265 | g_signal_connect (buffer, |
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| 266 | "changed", |
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| 267 | G_CALLBACK (on_text_buffer_changed), |
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| 268 | item); |
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| 269 | |
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| 270 | /* get the font ascent for the current font and language */ |
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| 271 | context = gtk_widget_get_pango_context (item->entry); |
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| 272 | fontdesc = pango_context_get_font_description (context); |
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| 273 | lang = pango_context_get_language (context); |
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| 274 | metrics = pango_context_get_metrics (context, fontdesc, lang); |
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| 275 | ascent = pango_font_metrics_get_ascent (metrics) * 1.5 / PANGO_SCALE; |
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| 276 | pango_font_metrics_unref (metrics); |
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| 277 | |
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| 278 | /* size our progress bar to be five ascents long */ |
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| 279 | gtk_widget_set_size_request (item->entry, ascent * 5, -1); |
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| 280 | |
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| 281 | gtk_box_pack_start (GTK_BOX (item->hbox), item->entry, TRUE, TRUE, 0); |
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| 282 | |
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| 283 | gtk_widget_show (item->hbox); |
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| 284 | gtk_widget_show (item->image); |
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| 285 | gtk_widget_show (item->entry); |
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| 286 | } |
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| 287 | |
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| 288 | GtkWidget * |
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| 289 | gdm_entry_menu_item_new (void) |
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| 290 | { |
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| 291 | return g_object_new (GDM_TYPE_ENTRY_MENU_ITEM, NULL); |
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| 292 | } |
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| 293 | |
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| 294 | GtkWidget * |
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| 295 | gdm_entry_menu_item_get_entry (GdmEntryMenuItem *item) |
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| 296 | { |
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| 297 | g_return_val_if_fail (GDM_IS_ENTRY_MENU_ITEM (item), NULL); |
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| 298 | |
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| 299 | return item->entry; |
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| 300 | } |
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| 301 | |
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| 302 | GtkWidget * |
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| 303 | gdm_entry_menu_item_get_image (GdmEntryMenuItem *item) |
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| 304 | { |
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| 305 | g_return_val_if_fail (GDM_IS_ENTRY_MENU_ITEM (item), NULL); |
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| 306 | |
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| 307 | return item->image; |
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| 308 | } |
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