// -*- C++ -*-
/*
* GChemPaint arrows plugin
* arrowtool.cc
*
* Copyright (C) 2001-2007 Jean Bréfort <jean.brefort@normalesup.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#include "gchempaint-config.h"
#include "arrowtool.h"
#include "retrosynthesisarrow.h"
#include "lib/settings.h"
#include "libgcpcanvas/gcp-canvas-line.h"
#include "libgcpcanvas/gcp-canvas-group.h"
#include "libgcpcanvas/gcp-canvas-bpath.h"
#include "lib/document.h"
#include "lib/application.h"
#include "lib/mesomery-arrow.h"
#include "lib/reaction-arrow.h"
#include "lib/settings.h"
#include "lib/theme.h"
#include <glib/gi18n-lib.h>
#include <gconf/gconf-client.h>
#include <cmath>
static char* ToolNames[] = {
(char*) "SimpleArrow",
(char*) "ReversibleArrow",
(char*) "ReversibleArrow",
(char*) "DoubleHeadedArrow",
(char*) "RetrosynthesisArrow"
};
static void on_default (GtkToggleButton *button)
{
GConfClient *conf_client = gconf_client_get_default ();
gconf_client_set_bool (conf_client, "/apps/gchempaint/plugins/arrows/full-arrows-heads", gtk_toggle_button_get_active (button), NULL);
g_object_unref (conf_client);
}
gcpArrowTool::gcpArrowTool(gcpApplication* App, unsigned ArrowType): gcpTool(App, ToolNames[ArrowType])
{
points = gnome_canvas_points_new(2);
m_ArrowType = ArrowType;
}
gcpArrowTool::~gcpArrowTool()
{
gnome_canvas_points_free(points);
}
bool gcpArrowTool::OnClicked()
{
if (m_pObject) return false;
gcpDocument *pDoc = m_pView->GetDoc ();
gcpTheme *pTheme = pDoc->GetTheme ();
m_y1 = m_y0;
m_x1 = m_x0 + pDoc->GetArrowLength () * pTheme->GetZoomFactor ();
switch(m_ArrowType)
{
case gcpSimpleArrow:
points->coords[0] = m_x0;
points->coords[1] = m_y0;
points->coords[2] = m_x1;
points->coords[3] = m_y0;
m_pItem = gnome_canvas_item_new(
m_pGroup,
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
break;
case gcpReversibleArrow:
points->coords[0] = m_x0;
points->coords[1] = points->coords[3] = m_y0 - pTheme->GetArrowDist () / 2;
points->coords[2] = m_x1;
m_pItem = gnome_canvas_item_new(m_pGroup, gnome_canvas_group_ext_get_type(), NULL);
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_LEFT,
NULL);
points->coords[2] = m_x0;
points->coords[1] = points->coords[3] = m_y0 + pTheme->GetArrowDist () / 2;
points->coords[0] = m_x0 + pDoc->GetArrowLength ();
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_LEFT,
NULL);
break;
case gcpFullReversibleArrow:
points->coords[0] = m_x0;
points->coords[1] = points->coords[3] = m_y0 - pTheme->GetArrowDist () / 2;
points->coords[2] = m_x1;
m_pItem = gnome_canvas_item_new(m_pGroup, gnome_canvas_group_ext_get_type(), NULL);
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
points->coords[2] = m_x0;
points->coords[1] = points->coords[3] = m_y0 + pTheme->GetArrowDist () / 2;
points->coords[0] = m_x0 + pDoc->GetArrowLength ();
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
break;
case gcpDoubleHeadedArrow:
points->coords[0] = m_x0;
points->coords[1] = m_y0;
points->coords[2] = m_x1;
points->coords[3] = m_y0;
m_pItem = gnome_canvas_item_new(
m_pGroup,
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"first_arrowhead", true,
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"first_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
break;
case gcpDoubleQueuedArrow: {
GnomeCanvasPathDef* path = gnome_canvas_path_def_new ();
gnome_canvas_path_def_moveto (path, m_x0, m_y0 - pTheme->GetArrowDist () / 2.);
gnome_canvas_path_def_lineto (path, m_x1 - pTheme->GetArrowDist () / 2., m_y0 - pTheme->GetArrowDist () / 2.);
gnome_canvas_path_def_moveto (path, m_x0, m_y0 + pTheme->GetArrowDist () / 2.);
gnome_canvas_path_def_lineto (path, m_x1 - pTheme->GetArrowDist () / 2., m_y0 + pTheme->GetArrowDist () / 2.);
gnome_canvas_path_def_moveto (path, m_x1 - pTheme->GetArrowDist () / 2. - pTheme->GetArrowHeadC (), m_y0 - pTheme->GetArrowDist () / 2. - pTheme->GetArrowHeadC ());
gnome_canvas_path_def_lineto (path, m_x1, m_y0);
gnome_canvas_path_def_lineto (path, m_x1 - pTheme->GetArrowDist () / 2. - pTheme->GetArrowHeadC (), m_y0 + pTheme->GetArrowDist () / 2. + pTheme->GetArrowHeadC ());
m_pItem = gnome_canvas_item_new(
m_pGroup,
gnome_canvas_bpath_ext_get_type(),
"bpath", path,
"outline_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"cap-style", GDK_CAP_BUTT,
"join-style", GDK_JOIN_MITER,
NULL);
break;
}
}
return true;
}
void gcpArrowTool::OnDrag()
{
double x1, y1, x2, y2;
gcpDocument *pDoc = m_pView->GetDoc ();
gcpTheme *pTheme = pDoc->GetTheme ();
if (m_pItem)
{
gnome_canvas_item_get_bounds(GNOME_CANVAS_ITEM(m_pItem), &x1, &y1, &x2, &y2);
gtk_object_destroy(GTK_OBJECT(GNOME_CANVAS_ITEM(m_pItem)));
gnome_canvas_request_redraw(GNOME_CANVAS(m_pWidget), (int)x1, (int)y1, (int)x2, (int)y2);
m_pItem = NULL;
}
double dAngle;
m_x -= m_x0;
m_y -= m_y0;
if (m_x == 0)
{
if (m_y == 0) return;
dAngle = (m_y < 0) ? 90 : 270;
}
else
{
dAngle = atan(-m_y/m_x) * 180 / M_PI;
if (!(m_nState & GDK_CONTROL_MASK)) dAngle = rint(dAngle / 5) * 5;
if (m_x < 0) dAngle += 180;
}
m_dAngle = dAngle * M_PI / 180;
double d = (m_nState & GDK_SHIFT_MASK)? sqrt(square(m_x) + square(m_y)): pDoc->GetArrowLength () * pTheme->GetZoomFactor ();
char tmp[32];
if (dAngle < 0) dAngle += 360;
snprintf(tmp, sizeof(tmp) - 1, _("Orientation: %g"), dAngle);
m_pApp->SetStatusText(tmp);
m_x1 = m_x0 + d * cos(m_dAngle);
m_y1 = m_y0 - d * sin(m_dAngle);
switch(m_ArrowType)
{
case gcpSimpleArrow:
points->coords[2] = m_x1;
points->coords[3] = m_y1;
m_pItem = gnome_canvas_item_new(
m_pGroup,
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
break;
case gcpReversibleArrow:
points->coords[0] = m_x0 - pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[1] = m_y0 - pTheme->GetArrowDist () / 2 * cos(m_dAngle);
points->coords[2] = m_x1 - pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[3] = m_y1 - pTheme->GetArrowDist () / 2 * cos(m_dAngle);
m_pItem = gnome_canvas_item_new(m_pGroup, gnome_canvas_group_ext_get_type(), NULL);
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_LEFT,
NULL);
points->coords[2] = m_x0 + pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[3] = m_y0 + pTheme->GetArrowDist () / 2 * cos(m_dAngle);
points->coords[0] = m_x1 + pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[1] = m_y1 + pTheme->GetArrowDist () / 2 * cos(m_dAngle);
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_LEFT,
NULL);
break;
case gcpFullReversibleArrow:
points->coords[0] = m_x0 - pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[1] = m_y0 - pTheme->GetArrowDist () / 2 * cos(m_dAngle);
points->coords[2] = m_x1 - pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[3] = m_y1 - pTheme->GetArrowDist () / 2 * cos(m_dAngle);
m_pItem = gnome_canvas_item_new(m_pGroup, gnome_canvas_group_ext_get_type(), NULL);
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
points->coords[2] = m_x0 + pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[3] = m_y0 + pTheme->GetArrowDist () / 2 * cos(m_dAngle);
points->coords[0] = m_x1 + pTheme->GetArrowDist () / 2 * sin(m_dAngle);
points->coords[1] = m_y1 + pTheme->GetArrowDist () / 2 * cos(m_dAngle);
gnome_canvas_item_new(
GNOME_CANVAS_GROUP(m_pItem),
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
break;
case gcpDoubleHeadedArrow:
points->coords[2] = m_x1;
points->coords[3] = m_y1;
m_pItem = gnome_canvas_item_new(
m_pGroup,
gnome_canvas_line_ext_get_type(),
"points", points,
"fill_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"first_arrowhead", true,
"last_arrowhead", true,
"arrow_shape_a", pTheme->GetArrowHeadA (),
"arrow_shape_b", pTheme->GetArrowHeadB (),
"arrow_shape_c", pTheme->GetArrowHeadC (),
"first_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
break;
case gcpDoubleQueuedArrow: {
double x1, y1;
x1 = pTheme->GetArrowDist () / 2 * sin (m_dAngle);
y1 = pTheme->GetArrowDist () / 2 * cos (m_dAngle);
GnomeCanvasPathDef* path = gnome_canvas_path_def_new ();
gnome_canvas_path_def_moveto (path, m_x0 - x1, m_y0 - y1);
gnome_canvas_path_def_lineto (path, m_x1 - x1 - y1, m_y1 - y1 + x1);
gnome_canvas_path_def_moveto (path, m_x0 + x1, m_y0 + y1);
gnome_canvas_path_def_lineto (path, m_x1 + x1 - y1, m_y1 + y1 + x1);
x1 += pTheme->GetArrowHeadC () * sin (m_dAngle);
y1 += pTheme->GetArrowHeadC () * cos (m_dAngle);
gnome_canvas_path_def_moveto (path, m_x1 - x1 - y1, m_y1 - y1 + x1);
gnome_canvas_path_def_lineto (path, m_x1, m_y1);
gnome_canvas_path_def_lineto (path, m_x1 + x1 - y1, m_y1 + y1 + x1);
m_pItem = gnome_canvas_item_new(
m_pGroup,
gnome_canvas_bpath_ext_get_type(),
"bpath", path,
"outline_color", AddColor,
"width_units", pTheme->GetArrowWidth (),
"cap-style", GDK_CAP_BUTT,
"join-style", GDK_JOIN_MITER,
NULL);
break;
}
}
}
void gcpArrowTool::OnRelease()
{
double x1, y1, x2, y2;
if (m_pItem)
{
gnome_canvas_item_get_bounds(GNOME_CANVAS_ITEM(m_pItem), &x1, &y1, &x2, &y2);
gtk_object_destroy(GTK_OBJECT(GNOME_CANVAS_ITEM(m_pItem)));
gnome_canvas_request_redraw(GNOME_CANVAS(m_pWidget), (int)x1, (int)y1, (int)x2, (int)y2);
m_pItem = NULL;
}
else return;
m_pApp->ClearStatus();
gcpDocument* pDoc = m_pView->GetDoc();
gcpArrow* a;
switch(m_ArrowType)
{
case gcpDoubleHeadedArrow:
{
a = new gcpMesomeryArrow(NULL);
a->SetCoords(m_x0 / m_dZoomFactor, m_y0 / m_dZoomFactor, m_x1 / m_dZoomFactor, m_y1 / m_dZoomFactor);
pDoc->AddObject(a);
}
break;
case gcpDoubleQueuedArrow: {
a = new gcpRetrosynthesisArrow (NULL);
a->SetCoords(m_x0 / m_dZoomFactor, m_y0 / m_dZoomFactor, m_x1 / m_dZoomFactor, m_y1 / m_dZoomFactor);
pDoc->AddObject(a);
}
break;
default:
{
a = new gcpReactionArrow(NULL, m_ArrowType);
a->SetCoords(m_x0 / m_dZoomFactor, m_y0 / m_dZoomFactor, m_x1 / m_dZoomFactor, m_y1 / m_dZoomFactor);
pDoc->AddObject(a);
}
}
pDoc->FinishOperation();
}
static void on_full_toggled (GtkToggleButton *button, gcpArrowTool *tool)
{
tool->SetArrowType (gtk_toggle_button_get_active (button)? gcpFullReversibleArrow: gcpReversibleArrow);
}
static void on_length_changed (GtkSpinButton *btn, gcpArrowTool *tool)
{
tool->SetLength (gtk_spin_button_get_value (btn));
}
GtkWidget *gcpArrowTool::GetPropertyPage ()
{
bool show_all = m_ArrowType == gcpReversibleArrow || m_ArrowType == gcpFullReversibleArrow;
GladeXML *xml = glade_xml_new (GLADEDIR"/arrowtool.glade", (show_all? "arrow-box": "length-box"), GETTEXT_PACKAGE);
if (show_all) {
GtkTable *table = GTK_TABLE (glade_xml_get_widget (xml, "heads-table"));
GnomeCanvas *canvas = GNOME_CANVAS (gnome_canvas_new_aa ());
gcpTheme *Theme = ThemeManager.GetTheme ("Default");
double width = (Theme->GetArrowLength () * Theme->GetZoomFactor () + 2 * Theme->GetArrowPadding ()),
height = Theme->GetArrowDist () + Theme->GetArrowWidth () + 2 * (Theme->GetArrowHeadB () + Theme->GetPadding ());
gtk_widget_set_size_request (GTK_WIDGET (canvas), (int) width, (int) height);
GnomeCanvasGroup *group = gnome_canvas_root (canvas);
GnomeCanvasPoints *points = gnome_canvas_points_new (2);
gnome_canvas_set_scroll_region (canvas, 0, 0, Theme->GetArrowLength (), Theme->GetArrowDist () + Theme->GetArrowWidth () + 2 * Theme->GetArrowHeadB ());
points->coords[0] = (width - Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
points->coords[1] = points->coords[3] = (height - Theme->GetArrowDist ()) / 2.;
points->coords[2] = (width + Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
gnome_canvas_item_new (
group,
gnome_canvas_line_ext_get_type (),
"points", points,
"fill_color", "black",
"width_units", Theme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a",Theme->GetArrowHeadA (),
"arrow_shape_b",Theme->GetArrowHeadB (),
"arrow_shape_c",Theme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_LEFT,
NULL);
points->coords[0] = (width + Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
points->coords[1] = points->coords[3] = (height + Theme->GetArrowDist ()) / 2.;
points->coords[2] = (width - Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
gnome_canvas_item_new (
group,
gnome_canvas_line_ext_get_type (),
"points", points,
"fill_color", "black",
"width_units",Theme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a",Theme->GetArrowHeadA (),
"arrow_shape_b",Theme->GetArrowHeadB (),
"arrow_shape_c",Theme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_LEFT,
NULL);
gtk_widget_show (GTK_WIDGET (canvas));
gtk_table_attach (table, GTK_WIDGET (canvas), 1, 2, 0, 1, GTK_FILL, GTK_FILL, 10, 0);
canvas = GNOME_CANVAS (gnome_canvas_new_aa ());
gtk_widget_set_size_request (GTK_WIDGET (canvas), (int) width, (int) height);
group = gnome_canvas_root (canvas);
gnome_canvas_set_scroll_region (canvas, 0, 0, Theme->GetArrowLength (), Theme->GetArrowDist () + Theme->GetArrowWidth () + 2 * Theme->GetArrowHeadB ());
points->coords[0] = (width - Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
points->coords[1] = points->coords[3] = (height - Theme->GetArrowDist ()) / 2.;
points->coords[2] = (width + Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
gnome_canvas_item_new (
group,
gnome_canvas_line_ext_get_type (),
"points", points,
"fill_color", "black",
"width_units", Theme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a",Theme->GetArrowHeadA (),
"arrow_shape_b",Theme->GetArrowHeadB (),
"arrow_shape_c",Theme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
points->coords[0] = (width + Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
points->coords[1] = points->coords[3] = (height + Theme->GetArrowDist ()) / 2.;
points->coords[2] = (width - Theme->GetArrowLength () * Theme->GetZoomFactor ()) / 2.;
gnome_canvas_item_new (
group,
gnome_canvas_line_ext_get_type (),
"points", points,
"fill_color", "black",
"width_units",Theme->GetArrowWidth (),
"last_arrowhead", true,
"arrow_shape_a",Theme->GetArrowHeadA (),
"arrow_shape_b",Theme->GetArrowHeadB (),
"arrow_shape_c",Theme->GetArrowHeadC (),
"last_arrowhead_style", (unsigned char)ARROW_HEAD_BOTH,
NULL);
gtk_widget_show (GTK_WIDGET (canvas));
gtk_table_attach (table, GTK_WIDGET (canvas), 1, 2, 1, 2, GTK_FILL, GTK_FILL, 10, 0);
gnome_canvas_points_free (points);
GtkWidget *b = glade_xml_get_widget (xml, "full");
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (b), m_ArrowType == gcpFullReversibleArrow);
g_signal_connect (G_OBJECT (b), "toggled", G_CALLBACK (on_full_toggled), this);
GtkWidget *w = glade_xml_get_widget (xml, "default");
g_signal_connect_swapped (w, "clicked", G_CALLBACK (on_default), b);
}
m_LengthBtn = GTK_SPIN_BUTTON (glade_xml_get_widget (xml, "arrow-length"));
g_signal_connect (m_LengthBtn, "value-changed", G_CALLBACK (on_length_changed), this);
return glade_xml_get_widget (xml, (show_all? "arrow-box": "length-box"));
}
void gcpArrowTool::SetLength (double length)
{
m_pApp->GetActiveDocument ()->SetArrowLength (length);
}
void gcpArrowTool::Activate ()
{
gtk_spin_button_set_value (m_LengthBtn, m_pApp->GetActiveDocument ()->GetArrowLength ());
}
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