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install a "key-press-event" handler and reset the entry when the Escape

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2008-04-30  Sven Neumann  <sven@gimp.org>

	* app/display/gimpscalecombobox.c: install a "key-press-event"
	handler and reset the entry when the Escape key is pressed.


svn path=/trunk/; revision=25552
This commit is contained in:
Sven Neumann
2008-04-30 08:40:16 +00:00
committed by Sven Neumann
parent 1b332ec856
commit 89e4fdbc44
2 changed files with 45 additions and 15 deletions
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55
app/display/gimpscalecombobox.c
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@ -24,6 +24,7 @@
#include "stdlib.h"
#include <gtk/gtk.h>
#include "gdk/gdkkeysyms.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
@ -52,19 +53,22 @@ enum
};
static void gimp_scale_combo_box_finalize (GObject *object);
static void gimp_scale_combo_box_finalize (GObject *object);
static void gimp_scale_combo_box_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void gimp_scale_combo_box_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void gimp_scale_combo_box_changed (GimpScaleComboBox *combo_box);
static void gimp_scale_combo_box_entry_activate (GtkEntry *entry,
GimpScaleComboBox *combo_box);
static void gimp_scale_combo_box_changed (GimpScaleComboBox *combo_box);
static void gimp_scale_combo_box_entry_activate (GtkWidget *entry,
GimpScaleComboBox *combo_box);
static gboolean gimp_scale_combo_box_entry_key_press (GtkWidget *entry,
GdkEventKey *event,
GimpScaleComboBox *combo_box);
static void gimp_scale_combo_box_scale_iter_set (GtkListStore *store,
GtkTreeIter *iter,
gdouble scale,
gboolean persistent);
static void gimp_scale_combo_box_scale_iter_set (GtkListStore *store,
GtkTreeIter *iter,
gdouble scale,
gboolean persistent);
G_DEFINE_TYPE (GimpScaleComboBox, gimp_scale_combo_box,
@ -167,6 +171,9 @@ gimp_scale_combo_box_init (GimpScaleComboBox *combo_box)
g_signal_connect (entry, "activate",
G_CALLBACK (gimp_scale_combo_box_entry_activate),
combo_box);
g_signal_connect (entry, "key-press-event",
G_CALLBACK (gimp_scale_combo_box_entry_key_press),
combo_box);
}
static void
@ -303,20 +310,21 @@ gimp_scale_combo_box_parse_text (const gchar *text,
}
static void
gimp_scale_combo_box_entry_activate (GtkEntry *entry,
gimp_scale_combo_box_entry_activate (GtkWidget *entry,
GimpScaleComboBox *combo_box)
{
gdouble scale;
const gchar *text = gtk_entry_get_text (GTK_ENTRY (entry));
gdouble scale;
if (gimp_scale_combo_box_parse_text (gtk_entry_get_text (entry), &scale) &&
scale >= 1.0 / 256.0 &&
if (gimp_scale_combo_box_parse_text (text, &scale) &&
scale >= 1.0 / 256.0 &&
scale <= 256.0)
{
gimp_scale_combo_box_set_scale (combo_box, scale);
}
else
{
gtk_widget_error_bell (GTK_WIDGET (entry));
gtk_widget_error_bell (entry);
gimp_scale_combo_box_set_scale (combo_box, combo_box->scale);
}
@ -324,6 +332,23 @@ gimp_scale_combo_box_entry_activate (GtkEntry *entry,
g_signal_emit (combo_box, scale_combo_box_signals[ENTRY_ACTIVATED], 0);
}
static gboolean
gimp_scale_combo_box_entry_key_press (GtkWidget *entry,
GdkEventKey *event,
GimpScaleComboBox *combo_box)
{
if (event->keyval == GDK_Escape)
{
gimp_scale_combo_box_set_scale (combo_box, combo_box->scale);
g_signal_emit (combo_box, scale_combo_box_signals[ENTRY_ACTIVATED], 0);
return TRUE;
}
return FALSE;
}
static void
gimp_scale_combo_box_scale_iter_set (GtkListStore *store,
GtkTreeIter *iter,