src/geanyentryaction.c

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