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 };
  46
  47 enum
  48 {
  49         ENTRY_ACTIVATE,
  50         ENTRY_ACTIVATE_BACKWARD,
  51         ENTRY_CHANGED,
  52
  53         LAST_SIGNAL
  54 };
  55 static guint signals[LAST_SIGNAL];
  56
  57
  58 G_DEFINE_TYPE(GeanyEntryAction, geany_entry_action, GTK_TYPE_ACTION)
  59
  60
  61 static GtkWidget *geany_entry_action_create_tool_item(GtkAction *action)
  62 {
  63         GtkWidget *toolitem;
  64         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  65
  66         priv->entry = gtk_entry_new();
  67         if (priv->numeric)
  68                 gtk_entry_set_width_chars(GTK_ENTRY(priv->entry), 9);
  69
  70         ui_entry_add_clear_icon(GTK_ENTRY(priv->entry));
  71         ui_entry_add_activate_backward_signal(GTK_ENTRY(priv->entry));
  72
  73         gtk_widget_show(priv->entry);
  74
  75         toolitem = g_object_new(GTK_TYPE_TOOL_ITEM, NULL);
  76         gtk_container_add(GTK_CONTAINER(toolitem), priv->entry);
  77
  78         return toolitem;
  79 }
  80
  81
  82 static void delegate_entry_activate_cb(GtkEntry *entry, GeanyEntryAction *action)
  83 {
  84         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  85         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  86
  87         g_signal_emit(action, signals[ENTRY_ACTIVATE], 0, text);
  88 }
  89
  90
  91 static void delegate_entry_activate_backward_cb(GtkEntry *entry, GeanyEntryAction *action)
  92 {
  93         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
  94         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
  95
  96         g_signal_emit(action, signals[ENTRY_ACTIVATE_BACKWARD], 0, text);
  97 }
  98
  99
 100 static void delegate_entry_changed_cb(GtkEditable *editable, GeanyEntryAction *action)
 101 {
 102         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 103         const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
 104
 105         g_signal_emit(action, signals[ENTRY_CHANGED], 0, text);
 106 }
 107
 108
 109 static void geany_entry_action_connect_proxy(GtkAction *action, GtkWidget *widget)
 110 {
 111         GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 112
 113         /* make sure not to connect handlers twice */
 114         if (! g_object_get_data(G_OBJECT(widget), "gea-connected"))
 115         {
 116                 if (priv->numeric)
 117                         g_signal_connect(priv->entry, "insert-text",
 118                                 G_CALLBACK(ui_editable_insert_text_callback), NULL);
 119                 g_signal_connect(priv->entry, "changed", G_CALLBACK(delegate_entry_changed_cb), action);
 120                 g_signal_connect(priv->entry, "activate", G_CALLBACK(delegate_entry_activate_cb), action);
 121                 g_signal_connect(priv->entry, "activate-backward",
 122                         G_CALLBACK(delegate_entry_activate_backward_cb), action);
 123
 124                 g_object_set_data(G_OBJECT(widget), "gea-connected", action /* anything non-NULL */);
 125         }
 126
 127         GTK_ACTION_CLASS(geany_entry_action_parent_class)->connect_proxy(action, widget);
 128 }
 129
 130
 131 static void geany_entry_action_class_init(GeanyEntryActionClass *klass)
 132 {
 133         GtkActionClass *action_class = GTK_ACTION_CLASS(klass);
 134
 135         action_class->connect_proxy = geany_entry_action_connect_proxy;
 136         action_class->create_tool_item = geany_entry_action_create_tool_item;
 137         action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
 138
 139         g_type_class_add_private(klass, sizeof(GeanyEntryActionPrivate));
 140
 141         signals[ENTRY_CHANGED] = g_signal_new("entry-changed",
 142                                                                         G_TYPE_FROM_CLASS(klass),
 143                                                                         G_SIGNAL_RUN_LAST,
 144                                                                         0,
 145                                                                         NULL,
 146                                                                         NULL,
 147                                                                         g_cclosure_marshal_VOID__STRING,
 148                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 149         signals[ENTRY_ACTIVATE] = g_signal_new("entry-activate",
 150                                                                         G_TYPE_FROM_CLASS(klass),
 151                                                                         G_SIGNAL_RUN_LAST,
 152                                                                         0,
 153                                                                         NULL,
 154                                                                         NULL,
 155                                                                         g_cclosure_marshal_VOID__STRING,
 156                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 157         signals[ENTRY_ACTIVATE_BACKWARD] = g_signal_new("entry-activate-backward",
 158                                                                         G_TYPE_FROM_CLASS(klass),
 159                                                                         G_SIGNAL_RUN_LAST,
 160                                                                         0,
 161                                                                         NULL,
 162                                                                         NULL,
 163                                                                         g_cclosure_marshal_VOID__STRING,
 164                                                                         G_TYPE_NONE, 1, G_TYPE_STRING);
 165 }
 166
 167
 168 static void geany_entry_action_init(GeanyEntryAction *action)
 169 {
 170         GeanyEntryActionPrivate *priv;
 171
 172         action->priv = G_TYPE_INSTANCE_GET_PRIVATE(action,
 173                 GEANY_ENTRY_ACTION_TYPE, GeanyEntryActionPrivate);
 174
 175         priv = action->priv;
 176         priv->entry = NULL;
 177         priv->numeric = 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 }