src/geanyentryaction.c

   1 /*
   2  *      geanyentryaction.c - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2008-2010 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2008-2010 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)     (GEANY_ENTRY_ACTION(obj)->priv)
  37
  38
  39 struct _GeanyEntryActionPrivate
  40 {
  41         GtkWidget       *entry;
  42         gboolean         numeric;
  43 };
  44
  45 enum
  46 {
  47         ENTRY_ACTIVATE,
  48         ENTRY_CHANGED,
  49
  50         LAST_SIGNAL
  51 };
  52 static guint signals[LAST_SIGNAL];
  53
  54
  55 G_DEFINE_TYPE(GeanyEntryAction, geany_entry_action, GTK_TYPE_ACTION);
  56
  57
  58 static GtkWidget *geany_entry_action_create_tool_item(GtkAction *action)
  59 {
  60         GtkWidget *toolitem;
  61         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  62
  63         priv->entry = gtk_entry_new();
  64         if (priv->numeric)
  65                 gtk_entry_set_width_chars(GTK_ENTRY(priv->entry), 9);
  66
  67         ui_entry_add_clear_icon(GTK_ENTRY(priv->entry));
  68
  69         gtk_widget_show(priv->entry);
  70
  71         toolitem = g_object_new(GTK_TYPE_TOOL_ITEM, NULL);
  72         gtk_container_add(GTK_CONTAINER(toolitem), priv->entry);
  73
  74         return toolitem;
  75 }
  76
  77
  78 static void delegate_entry_activate_cb(GtkEntry *entry, GeanyEntryAction *action)
  79 {
  80         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  81         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  82
  83         g_signal_emit(action, signals[ENTRY_ACTIVATE], 0, text);
  84 }
  85
  86
  87 static void delegate_entry_changed_cb(GtkEditable *editable, GeanyEntryAction *action)
  88 {
  89         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  90         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  91
  92         g_signal_emit(action, signals[ENTRY_CHANGED], 0, text);
  93 }
  94
  95
  96 static void entry_insert_text_cb(GtkEditable *editable, gchar *new_text, gint new_text_len,
  97                                                                  gint *position, GeanyEntryAction *action)
  98 {
  99         /* don't insert any text when it is not a digit */
 100         if (! isdigit(*new_text))
 101                 g_signal_stop_emission_by_name(editable, "insert-text");
 102 }
 103
 104
 105 static void geany_entry_action_connect_proxy(GtkAction *action, GtkWidget *widget)
 106 {
 107         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 108
 109         if (priv->numeric)
 110                 g_signal_connect(priv->entry, "insert-text", G_CALLBACK(entry_insert_text_cb), action);
 111         g_signal_connect(priv->entry, "changed", G_CALLBACK(delegate_entry_changed_cb), action);
 112         g_signal_connect(priv->entry, "activate", G_CALLBACK(delegate_entry_activate_cb), action);
 113
 114     GTK_ACTION_CLASS(geany_entry_action_parent_class)->connect_proxy(action, widget);
 115 }
 116
 117
 118 static void geany_entry_action_class_init(GeanyEntryActionClass *klass)
 119 {
 120         GtkActionClass *action_class = GTK_ACTION_CLASS(klass);
 121
 122         action_class->connect_proxy = geany_entry_action_connect_proxy;
 123         action_class->create_tool_item = geany_entry_action_create_tool_item;
 124         action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
 125
 126         g_type_class_add_private(klass, sizeof(GeanyEntryActionPrivate));
 127
 128         signals[ENTRY_CHANGED] = g_signal_new("entry-changed",
 129                                                                         G_TYPE_FROM_CLASS(klass),
 130                                                                         (GSignalFlags) 0,
 131                                                                         0,
 132                                                                         0,
 133                                                                         NULL,
 134                                                                         g_cclosure_marshal_VOID__STRING,
 135                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 136         signals[ENTRY_ACTIVATE] = g_signal_new("entry-activate",
 137                                                                         G_TYPE_FROM_CLASS(klass),
 138                                                                         (GSignalFlags) 0,
 139                                                                         0,
 140                                                                         0,
 141                                                                         NULL,
 142                                                                         g_cclosure_marshal_VOID__STRING,
 143                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 144 }
 145
 146
 147 static void geany_entry_action_init(GeanyEntryAction *action)
 148 {
 149         GeanyEntryActionPrivate *priv;
 150
 151         action->priv = G_TYPE_INSTANCE_GET_PRIVATE(action,
 152                 GEANY_ENTRY_ACTION_TYPE, GeanyEntryActionPrivate);
 153
 154         priv = action->priv;
 155         priv->entry = NULL;
 156         priv->numeric = FALSE;
 157 }
 158
 159
 160 GtkAction *geany_entry_action_new(const gchar *name, const gchar *label,
 161                                                                   const gchar *tooltip, gboolean numeric)
 162 {
 163         GtkAction *action = g_object_new(GEANY_ENTRY_ACTION_TYPE,
 164                 "name", name,
 165                 "label", label,
 166                 "tooltip", tooltip,
 167                 NULL);
 168         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 169
 170         priv->numeric = numeric;
 171
 172         return action;
 173 }
 174