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/*
* Common callbacks for spinbuttons
*
* Authors:
* bulia byak <bulia@users.sourceforge.net>
*
* Copyright (C) 2003 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "../event-context.h"
#include "sp-widget.h"
#include "widget-sizes.h"
gboolean
spinbutton_focus_in (GtkWidget *w, GdkEventKey *event, gpointer data)
{
gdouble *ini;
ini = (gdouble *) gtk_object_get_data (GTK_OBJECT (w), "ini");
if (ini) g_free (ini); // free the old value if any
// retrieve the value
ini = g_new (gdouble, 1);
*ini = gtk_spin_button_get_value (GTK_SPIN_BUTTON(w));
// remember it
gtk_object_set_data (GTK_OBJECT (w), "ini", ini);
return FALSE; // I didn't consume the event
}
void
spinbutton_undo (GtkWidget *w)
{
gdouble *ini = (gdouble *) gtk_object_get_data (GTK_OBJECT (w), "ini");
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), *ini);
}
void
spinbutton_defocus (GtkObject *container)
{
// defocus spinbuttons by moving focus to the canvas, unless "stay" is on
gboolean stay = GPOINTER_TO_INT(gtk_object_get_data (GTK_OBJECT (container), "stay"));
if (stay) {
gtk_object_set_data (GTK_OBJECT (container), "stay", GINT_TO_POINTER (FALSE));
} else {
GtkWidget *canvas = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (container), "dtw");
if (canvas) {
gtk_widget_grab_focus (GTK_WIDGET(canvas));
}
}
}
gboolean
spinbutton_keypress (GtkWidget *w, GdkEventKey *event, gpointer data)
{
SPWidget *spw = (SPWidget *) data;
gdouble v;
switch (get_group0_keyval (event)) {
case GDK_Escape: // defocus
spinbutton_undo (w);
spinbutton_defocus (GTK_OBJECT (spw));
return TRUE; // I consumed the event
break;
case GDK_Return: // defocus
case GDK_KP_Enter:
spinbutton_defocus (GTK_OBJECT (spw));
return TRUE; // I consumed the event
break;
case GDK_Tab:
case GDK_ISO_Left_Tab:
// set the flag meaning "do not leave toolbar when changing value"
gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
return FALSE; // I didn't consume the event
break;
// The following keys are processed manually because GTK implements them in strange ways
// (increments start with double step value and seem to grow as you press the key continuously)
case GDK_Up:
case GDK_KP_Up:
gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
v += SPIN_STEP;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
return TRUE; // I consumed the event
break;
case GDK_Down:
case GDK_KP_Down:
gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
v -= SPIN_STEP;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
return TRUE; // I consumed the event
break;
case GDK_Page_Up:
case GDK_KP_Page_Up:
gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
v += SPIN_PAGE_STEP;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
return TRUE; // I consumed the event
break;
case GDK_Page_Down:
case GDK_KP_Page_Down:
gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
v -= SPIN_PAGE_STEP;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
return TRUE; // I consumed the event
break;
case GDK_z:
case GDK_Z:
gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
if (event->state & GDK_CONTROL_MASK) {
spinbutton_undo (w);
return TRUE; // I consumed the event
}
break;
default:
return FALSE;
break;
}
return FALSE; // I didn't consume the event
}
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