src/geanyentryaction.c

   1 /*
   2  *      geanyentryaction.c - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2008-2011 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2008-2011 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
  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         gboolean         connected;
  44 };
  45
  46 enum
  47 {
  48         ENTRY_ACTIVATE,
  49         ENTRY_ACTIVATE_BACKWARD,
  50         ENTRY_CHANGED,
  51
  52         LAST_SIGNAL
  53 };
  54 static guint signals[LAST_SIGNAL];
  55
  56
  57 G_DEFINE_TYPE(GeanyEntryAction, geany_entry_action, GTK_TYPE_ACTION)
  58
  59
  60 static GtkWidget *geany_entry_action_create_tool_item(GtkAction *action)
  61 {
  62         GtkWidget *toolitem;
  63         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  64
  65         priv->entry = gtk_entry_new();
  66         if (priv->numeric)
  67                 gtk_entry_set_width_chars(GTK_ENTRY(priv->entry), 9);
  68
  69         ui_entry_add_clear_icon(GTK_ENTRY(priv->entry));
  70         ui_entry_add_activate_backward_signal(GTK_ENTRY(priv->entry));
  71
  72         gtk_widget_show(priv->entry);
  73
  74         toolitem = g_object_new(GTK_TYPE_TOOL_ITEM, NULL);
  75         gtk_container_add(GTK_CONTAINER(toolitem), priv->entry);
  76
  77         return toolitem;
  78 }
  79
  80
  81 static void delegate_entry_activate_cb(GtkEntry *entry, GeanyEntryAction *action)
  82 {
  83         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  84         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  85
  86         g_signal_emit(action, signals[ENTRY_ACTIVATE], 0, text);
  87 }
  88
  89
  90 static void delegate_entry_activate_backward_cb(GtkEntry *entry, GeanyEntryAction *action)
  91 {
  92         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  93         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  94
  95         g_signal_emit(action, signals[ENTRY_ACTIVATE_BACKWARD], 0, text);
  96 }
  97
  98
  99 static void delegate_entry_changed_cb(GtkEditable *editable, GeanyEntryAction *action)
 100 {
 101         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 102         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
 103
 104         g_signal_emit(action, signals[ENTRY_CHANGED], 0, text);
 105 }
 106
 107
 108 static void geany_entry_action_connect_proxy(GtkAction *action, GtkWidget *widget)
 109 {
 110         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 111
 112         /* make sure not to connect handlers twice */
 113         if (! priv->connected)
 114         {
 115                 if (priv->numeric)
 116                         g_signal_connect(priv->entry, "insert-text",
 117                                 G_CALLBACK(ui_editable_insert_text_callback), NULL);
 118                 g_signal_connect(priv->entry, "changed", G_CALLBACK(delegate_entry_changed_cb), action);
 119                 g_signal_connect(priv->entry, "activate", G_CALLBACK(delegate_entry_activate_cb), action);
 120                 g_signal_connect(priv->entry, "activate-backward",
 121                         G_CALLBACK(delegate_entry_activate_backward_cb), action);
 122
 123                 priv->connected = TRUE;
 124         }
 125
 126         GTK_ACTION_CLASS(geany_entry_action_parent_class)->connect_proxy(action, widget);
 127 }
 128
 129
 130 static void geany_entry_action_class_init(GeanyEntryActionClass *klass)
 131 {
 132         GtkActionClass *action_class = GTK_ACTION_CLASS(klass);
 133
 134         action_class->connect_proxy = geany_entry_action_connect_proxy;
 135         action_class->create_tool_item = geany_entry_action_create_tool_item;
 136         action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
 137
 138         g_type_class_add_private(klass, sizeof(GeanyEntryActionPrivate));
 139
 140         signals[ENTRY_CHANGED] = g_signal_new("entry-changed",
 141                                                                         G_TYPE_FROM_CLASS(klass),
 142                                                                         G_SIGNAL_RUN_LAST,
 143                                                                         0,
 144                                                                         NULL,
 145                                                                         NULL,
 146                                                                         g_cclosure_marshal_VOID__STRING,
 147                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 148         signals[ENTRY_ACTIVATE] = g_signal_new("entry-activate",
 149                                                                         G_TYPE_FROM_CLASS(klass),
 150                                                                         G_SIGNAL_RUN_LAST,
 151                                                                         0,
 152                                                                         NULL,
 153                                                                         NULL,
 154                                                                         g_cclosure_marshal_VOID__STRING,
 155                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 156         signals[ENTRY_ACTIVATE_BACKWARD] = g_signal_new("entry-activate-backward",
 157                                                                         G_TYPE_FROM_CLASS(klass),
 158                                                                         G_SIGNAL_RUN_LAST,
 159                                                                         0,
 160                                                                         NULL,
 161                                                                         NULL,
 162                                                                         g_cclosure_marshal_VOID__STRING,
 163                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 164 }
 165
 166
 167 static void geany_entry_action_init(GeanyEntryAction *action)
 168 {
 169         GeanyEntryActionPrivate *priv;
 170
 171         action->priv = G_TYPE_INSTANCE_GET_PRIVATE(action,
 172                 GEANY_ENTRY_ACTION_TYPE, GeanyEntryActionPrivate);
 173
 174         priv = action->priv;
 175         priv->entry = NULL;
 176         priv->numeric = FALSE;
 177         priv->connected = FALSE;
 178 }
 179
 180
 181 GtkAction *geany_entry_action_new(const gchar *name, const gchar *label,
 182                                                                   const gchar *tooltip, gboolean numeric)
 183 {
 184         GtkAction *action = g_object_new(GEANY_ENTRY_ACTION_TYPE,
 185                 "name", name,
 186                 "label", label,
 187                 "tooltip", tooltip,
 188                 NULL);
 189         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 190
 191         priv->numeric = numeric;
 192
 193         return action;
 194 }