src/geanyentryaction.c

   1 /*
   2  *      geanyentryaction.c - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2008-2009 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2008-2009 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 vergeany 2 of the License, or
  10  *      (at your option) any later vergeany.
  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
  18  *      along with this program; if not, write to the Free Software
  19  *      Foundation, Inc., 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
  27 #include "geany.h"
  28 #include "support.h"
  29 #include "ui_utils.h"
  30 #include "geanyentryaction.h"
  31 #include <ctype.h>
  32
  33
  34 typedef struct _GeanyEntryActionPrivate         GeanyEntryActionPrivate;
  35
  36 #define GEANY_ENTRY_ACTION_GET_PRIVATE(obj)     (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
  37                         GEANY_ENTRY_ACTION_TYPE, GeanyEntryActionPrivate))
  38
  39
  40 struct _GeanyEntryActionPrivate
  41 {
  42         GtkWidget       *entry;
  43         gboolean         numeric;
  44 };
  45
  46 enum
  47 {
  48         ENTRY_ACTIVATE,
  49         ENTRY_CHANGED,
  50
  51         LAST_SIGNAL
  52 };
  53 static guint signals[LAST_SIGNAL];
  54
  55
  56 G_DEFINE_TYPE(GeanyEntryAction, geany_entry_action, GTK_TYPE_ACTION);
  57
  58
  59 static GtkWidget *geany_entry_action_create_tool_item(GtkAction *action)
  60 {
  61         GtkWidget *toolitem;
  62         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  63
  64         priv->entry = gtk_entry_new();
  65         if (priv->numeric)
  66                 gtk_entry_set_width_chars(GTK_ENTRY(priv->entry), 9);
  67
  68         ui_entry_add_clear_icon(GTK_ENTRY(priv->entry));
  69
  70         gtk_widget_show(priv->entry);
  71
  72         toolitem = g_object_new(GTK_TYPE_TOOL_ITEM, NULL);
  73         gtk_container_add(GTK_CONTAINER(toolitem), priv->entry);
  74
  75         return toolitem;
  76 }
  77
  78
  79 static void delegate_entry_activate_cb(GtkEntry *entry, GeanyEntryAction *action)
  80 {
  81         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  82         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  83
  84         g_signal_emit(action, signals[ENTRY_ACTIVATE], 0, text);
  85 }
  86
  87
  88 static void delegate_entry_changed_cb(GtkEditable *editable, GeanyEntryAction *action)
  89 {
  90         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  91         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  92
  93         g_signal_emit(action, signals[ENTRY_CHANGED], 0, text);
  94 }
  95
  96
  97 static void entry_insert_text_cb(GtkEditable *editable, gchar *new_text, gint new_text_len,
  98                                                                  gint *position, GeanyEntryAction *action)
  99 {
 100         /* don't insert any text when it is not a digit */
 101         if (! isdigit(*new_text))
 102                 g_signal_stop_emission_by_name(editable, "insert-text");
 103 }
 104
 105
 106 static void geany_entry_action_connect_proxy(GtkAction *action, GtkWidget *widget)
 107 {
 108         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 109
 110         if (priv->numeric)
 111                 g_signal_connect(priv->entry, "insert-text", G_CALLBACK(entry_insert_text_cb), action);
 112         g_signal_connect(priv->entry, "changed", G_CALLBACK(delegate_entry_changed_cb), action);
 113         g_signal_connect(priv->entry, "activate", G_CALLBACK(delegate_entry_activate_cb), action);
 114
 115     GTK_ACTION_CLASS(geany_entry_action_parent_class)->connect_proxy(action, widget);
 116 }
 117
 118
 119 static void geany_entry_action_class_init(GeanyEntryActionClass *klass)
 120 {
 121         GtkActionClass *action_class = GTK_ACTION_CLASS(klass);
 122
 123         action_class->connect_proxy = geany_entry_action_connect_proxy;
 124         action_class->create_tool_item = geany_entry_action_create_tool_item;
 125         action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
 126
 127         g_type_class_add_private(klass, sizeof(GeanyEntryActionPrivate));
 128
 129         signals[ENTRY_CHANGED] = g_signal_new("entry-changed",
 130                                                                         G_TYPE_FROM_CLASS(klass),
 131                                                                         (GSignalFlags) 0,
 132                                                                         0,
 133                                                                         0,
 134                                                                         NULL,
 135                                                                         g_cclosure_marshal_VOID__STRING,
 136                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 137         signals[ENTRY_ACTIVATE] = g_signal_new("entry-activate",
 138                                                                         G_TYPE_FROM_CLASS(klass),
 139                                                                         (GSignalFlags) 0,
 140                                                                         0,
 141                                                                         0,
 142                                                                         NULL,
 143                                                                         g_cclosure_marshal_VOID__STRING,
 144                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 145 }
 146
 147
 148 static void geany_entry_action_init(GeanyEntryAction *action)
 149 {
 150         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 151
 152         priv->entry = NULL;
 153         priv->numeric = FALSE;
 154 }
 155
 156
 157 GtkAction *geany_entry_action_new(const gchar *name, const gchar *label,
 158                                                                   const gchar *tooltip, gboolean numeric)
 159 {
 160         GtkAction *action = g_object_new(GEANY_ENTRY_ACTION_TYPE,
 161                 "name", name,
 162                 "label", label,
 163                 "tooltip", tooltip,
 164                 NULL);
 165         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 166
 167         priv->numeric = numeric;
 168
 169         return action;
 170 }
 171