SF.net SVN: geany:[4892] trunk

[eht16 at users.sourceforge.net]

Revision: 4892
          http://geany.svn.sourceforge.net/geany/?rev=4892&view=rev
Author:   eht16
Date:     2010-05-09 15:48:29 +0000 (Sun, 09 May 2010)

Log Message:
-----------
Add public, generic callback ui_editable_insert_text_callback() to restrict GtkEntry text inputs to +/- and numeric values only.

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/src/ui_utils.c
    trunk/src/ui_utils.h

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog	2010-05-09 15:48:18 UTC (rev 4891)
+++ trunk/ChangeLog	2010-05-09 15:48:29 UTC (rev 4892)
@@ -2,6 +2,9 @@
 
  * THANKS, src/about.c, plugins/classbuilder.c:
    Add support for creating PHP classes (patch by Ondrej Donek, thanks).
+ * src/ui_utils.h, src/ui_utils.c:
+   Add public, generic callback ui_editable_insert_text_callback()
+   to restrict GtkEntry text inputs to +/- and numeric values only.
 
 
 2010-05-08  Enrico Tröger  <enrico(dot)troeger(at)uvena(dot)de>

Modified: trunk/src/ui_utils.c
===================================================================
--- trunk/src/ui_utils.c	2010-05-09 15:48:18 UTC (rev 4891)
+++ trunk/src/ui_utils.c	2010-05-09 15:48:29 UTC (rev 4892)
@@ -2267,3 +2267,25 @@
 	else
 		return default_value;
 }
+
+
+void ui_editable_insert_text_callback(GtkEditable *editable, gchar *new_text,
+									  gint new_text_len, gint *position, gpointer data)
+{
+	gboolean stop_signal = FALSE;
+	const gchar c = *new_text;
+
+	/* allow inserting '+' and '-' as the first character */
+	if (position != NULL && *position == 0)
+	{
+		if (c != '+' && c != '-' && ! isdigit(c))
+			stop_signal = TRUE;
+	}
+	/* don't insert any text when it is not a digit */
+	else if (! isdigit(c))
+		stop_signal = TRUE;
+
+	if (stop_signal)
+		g_signal_stop_emission_by_name(editable, "insert-text");
+}
+

Modified: trunk/src/ui_utils.h
===================================================================
--- trunk/src/ui_utils.h	2010-05-09 15:48:18 UTC (rev 4891)
+++ trunk/src/ui_utils.h	2010-05-09 15:48:29 UTC (rev 4892)
@@ -203,6 +203,8 @@
 
 void ui_entry_add_clear_icon(GtkEntry *entry);
 
+void ui_editable_insert_text_callback(GtkEditable *editable, gchar *new_text,
+									  gint new_text_len, gint *position, gpointer data);
 
 #define ui_label_new_bold(text)\
 	ui_label_set_markup(GTK_LABEL(gtk_label_new(NULL)), "<b>%s</b>", text);


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