src/geanyentryaction.c

   1 /*
   2  *      geanyentryaction.c - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2008-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2008-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
   6  *
   7  *      This program is free software; you can redistribute it and/or modify
   8  *      it under the terms of the GNU General Public License as published by
   9  *      the Free Software Foundation; either version 2 of the License, or
  10  *      (at your option) any later version.
  11  *
  12  *      This program is distributed in the hope that it will be useful,
  13  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *      GNU General Public License for more details.
  16  *
  17  *      You should have received a copy of the GNU General Public License along
  18  *      with this program; if not, write to the Free Software Foundation, Inc.,
  19  *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 /* GtkAction subclass to provide a GtkEntry in a toolbar.
  23  * This class is missing the action_create_menu_item() function and so can't be
  24  * used for creating menu items. */
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include "geanyentryaction.h"
  31
  32 #include "ui_utils.h"
  33
  34 #include <ctype.h>
  35
  36
  37 typedef struct _GeanyEntryActionPrivate         GeanyEntryActionPrivate;
  38
  39 #define GEANY_ENTRY_ACTION_GET_PRIVATE(obj)     (GEANY_ENTRY_ACTION(obj)->priv)
  40
  41
  42 struct _GeanyEntryActionPrivate
  43 {
  44         GtkWidget       *entry;
  45         gboolean         numeric;
  46         gboolean         connected;
  47 };
  48
  49 enum
  50 {
  51         ENTRY_ACTIVATE,
  52         ENTRY_ACTIVATE_BACKWARD,
  53         ENTRY_CHANGED,
  54
  55         LAST_SIGNAL
  56 };
  57 static guint signals[LAST_SIGNAL];
  58
  59
  60 G_DEFINE_TYPE(GeanyEntryAction, geany_entry_action, GTK_TYPE_ACTION)
  61
  62
  63 static GtkWidget *geany_entry_action_create_tool_item(GtkAction *action)
  64 {
  65         GtkWidget *toolitem;
  66         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  67
  68         priv->entry = gtk_entry_new();
  69         if (priv->numeric)
  70                 gtk_entry_set_width_chars(GTK_ENTRY(priv->entry), 9);
  71
  72         ui_entry_add_clear_icon(GTK_ENTRY(priv->entry));
  73         ui_entry_add_activate_backward_signal(GTK_ENTRY(priv->entry));
  74
  75         gtk_widget_show(priv->entry);
  76
  77         toolitem = g_object_new(GTK_TYPE_TOOL_ITEM, NULL);
  78         gtk_container_add(GTK_CONTAINER(toolitem), priv->entry);
  79
  80         return toolitem;
  81 }
  82
  83
  84 static void delegate_entry_activate_cb(GtkEntry *entry, GeanyEntryAction *action)
  85 {
  86         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  87         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  88
  89         g_signal_emit(action, signals[ENTRY_ACTIVATE], 0, text);
  90 }
  91
  92
  93 static void delegate_entry_activate_backward_cb(GtkEntry *entry, GeanyEntryAction *action)
  94 {
  95         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  96         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  97
  98         g_signal_emit(action, signals[ENTRY_ACTIVATE_BACKWARD], 0, text);
  99 }
 100
 101
 102 static void delegate_entry_changed_cb(GtkEditable *editable, GeanyEntryAction *action)
 103 {
 104         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 105         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
 106
 107         g_signal_emit(action, signals[ENTRY_CHANGED], 0, text);
 108 }
 109
 110
 111 static void geany_entry_action_connect_proxy(GtkAction *action, GtkWidget *widget)
 112 {
 113         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 114
 115         /* make sure not to connect handlers twice */
 116         if (! priv->connected)
 117         {
 118                 if (priv->numeric)
 119                         g_signal_connect(priv->entry, "insert-text",
 120                                 G_CALLBACK(ui_editable_insert_text_callback), NULL);
 121                 g_signal_connect(priv->entry, "changed", G_CALLBACK(delegate_entry_changed_cb), action);
 122                 g_signal_connect(priv->entry, "activate", G_CALLBACK(delegate_entry_activate_cb), action);
 123                 g_signal_connect(priv->entry, "activate-backward",
 124                         G_CALLBACK(delegate_entry_activate_backward_cb), action);
 125
 126                 priv->connected = TRUE;
 127         }
 128
 129         GTK_ACTION_CLASS(geany_entry_action_parent_class)->connect_proxy(action, widget);
 130 }
 131
 132
 133 static void geany_entry_action_class_init(GeanyEntryActionClass *klass)
 134 {
 135         GtkActionClass *action_class = GTK_ACTION_CLASS(klass);
 136
 137         action_class->connect_proxy = geany_entry_action_connect_proxy;
 138         action_class->create_tool_item = geany_entry_action_create_tool_item;
 139         action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
 140
 141         g_type_class_add_private(klass, sizeof(GeanyEntryActionPrivate));
 142
 143         signals[ENTRY_CHANGED] = g_signal_new("entry-changed",
 144                                                                         G_TYPE_FROM_CLASS(klass),
 145                                                                         G_SIGNAL_RUN_LAST,
 146                                                                         0,
 147                                                                         NULL,
 148                                                                         NULL,
 149                                                                         g_cclosure_marshal_VOID__STRING,
 150                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 151         signals[ENTRY_ACTIVATE] = g_signal_new("entry-activate",
 152                                                                         G_TYPE_FROM_CLASS(klass),
 153                                                                         G_SIGNAL_RUN_LAST,
 154                                                                         0,
 155                                                                         NULL,
 156                                                                         NULL,
 157                                                                         g_cclosure_marshal_VOID__STRING,
 158                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 159         signals[ENTRY_ACTIVATE_BACKWARD] = g_signal_new("entry-activate-backward",
 160                                                                         G_TYPE_FROM_CLASS(klass),
 161                                                                         G_SIGNAL_RUN_LAST,
 162                                                                         0,
 163                                                                         NULL,
 164                                                                         NULL,
 165                                                                         g_cclosure_marshal_VOID__STRING,
 166                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 167 }
 168
 169
 170 static void geany_entry_action_init(GeanyEntryAction *action)
 171 {
 172         GeanyEntryActionPrivate *priv;
 173
 174         action->priv = G_TYPE_INSTANCE_GET_PRIVATE(action,
 175                 GEANY_ENTRY_ACTION_TYPE, GeanyEntryActionPrivate);
 176
 177         priv = action->priv;
 178         priv->entry = NULL;
 179         priv->numeric = FALSE;
 180         priv->connected = FALSE;
 181 }
 182
 183
 184 GtkAction *geany_entry_action_new(const gchar *name, const gchar *label,
 185                                                                   const gchar *tooltip, gboolean numeric)
 186 {
 187         GtkAction *action = g_object_new(GEANY_ENTRY_ACTION_TYPE,
 188                 "name", name,
 189                 "label", label,
 190                 "tooltip", tooltip,
 191                 NULL);
 192         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 193
 194         priv->numeric = numeric;
 195
 196         return action;
 197 }