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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common callbacks for spinbuttons
*
* Authors:
* bulia byak <bulia@users.sourceforge.net>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 2013 authors
* Copyright (C) 2003 authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "ui/tools/tool-base.h"
#include "spinbutton-events.h"
gboolean spinbutton_focus_in(GtkWidget *w, GdkEventKey * /*event*/, gpointer /*data*/)
{
gdouble *ini = static_cast<gdouble *>(g_object_get_data(G_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
g_object_set_data(G_OBJECT(w), "ini", ini);
return FALSE; // I didn't consume the event
}
void spinbutton_undo(GtkWidget *w)
{
gdouble *ini = static_cast<gdouble *>(g_object_get_data(G_OBJECT(w), "ini"));
if (ini) {
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), *ini);
}
}
void spinbutton_defocus(GtkWidget *container)
{
// defocus spinbuttons by moving focus to the canvas, unless "stay" is on
gboolean stay = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(container), "stay"));
if (stay) {
g_object_set_data(G_OBJECT(container), "stay", GINT_TO_POINTER(FALSE));
} else {
GtkWidget *canvas = GTK_WIDGET(g_object_get_data(G_OBJECT(container), "dtw"));
if (canvas) {
gtk_widget_grab_focus(GTK_WIDGET(canvas));
}
}
}
gboolean spinbutton_keypress(GtkWidget *w, GdkEventKey *event, gpointer /*data*/)
{
gboolean result = FALSE; // I didn't consume the event
switch (Inkscape::UI::Tools::get_latin_keyval(event)) {
case GDK_KEY_Escape: // defocus
spinbutton_undo(w);
spinbutton_defocus(w);
result = TRUE; // I consumed the event
break;
case GDK_KEY_Return: // defocus
case GDK_KEY_KP_Enter:
spinbutton_defocus(w);
result = TRUE; // I consumed the event
break;
case GDK_KEY_Tab:
case GDK_KEY_ISO_Left_Tab:
// set the flag meaning "do not leave toolbar when changing value"
g_object_set_data(G_OBJECT(w), "stay", GINT_TO_POINTER(TRUE));
result = 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_KEY_Up:
case GDK_KEY_KP_Up:
{
g_object_set_data(G_OBJECT(w), "stay", GINT_TO_POINTER(TRUE));
gdouble v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
gdouble step = 0;
gdouble page = 0;
gtk_spin_button_get_increments(GTK_SPIN_BUTTON(w), &step, &page);
v += step;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
result = TRUE; // I consumed the event
break;
}
case GDK_KEY_Down:
case GDK_KEY_KP_Down:
{
g_object_set_data(G_OBJECT(w), "stay", GINT_TO_POINTER(TRUE));
gdouble v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
gdouble step = 0;
gdouble page = 0;
gtk_spin_button_get_increments(GTK_SPIN_BUTTON(w), &step, &page);
v -= step;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
result = TRUE; // I consumed the event
break;
}
case GDK_KEY_Page_Up:
case GDK_KEY_KP_Page_Up:
{
g_object_set_data(G_OBJECT(w), "stay", GINT_TO_POINTER(TRUE));
gdouble v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
gdouble step = 0;
gdouble page = 0;
gtk_spin_button_get_increments(GTK_SPIN_BUTTON(w), &step, &page);
v += page;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
result = TRUE; // I consumed the event
break;
}
case GDK_KEY_Page_Down:
case GDK_KEY_KP_Page_Down:
{
g_object_set_data(G_OBJECT(w), "stay", GINT_TO_POINTER(TRUE));
gdouble v = gtk_spin_button_get_value(GTK_SPIN_BUTTON(w));
gdouble step = 0;
gdouble page = 0;
gtk_spin_button_get_increments(GTK_SPIN_BUTTON(w), &step, &page);
v -= page;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
result = TRUE; // I consumed the event
break;
}
case GDK_KEY_z:
case GDK_KEY_Z:
g_object_set_data(G_OBJECT(w), "stay", GINT_TO_POINTER(TRUE));
if (event->state & GDK_CONTROL_MASK) {
spinbutton_undo(w);
result = TRUE; // I consumed the event
}
break;
default:
result = FALSE;
break;
}
return result;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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