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/* Dr Genius an interactive geometry software
* (C) Copyright Hilaire Fernandes 2003
* hilaire@ofset.org
*
*
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public Licences as by published
* by the Free Software Foundation; either version 2; or (at your option)
* any later version
*
* This program is distributed in the hope that it will entertaining,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILTY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Publis 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.
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "geo_view.h"
#include "drgeo_figure.h"
#include "drgeo_menu.h"
#include "drgeo_toolbar.h"
#include "drgeo_gtkdrawable.h"
#include "drgenius_config.h"
extern gchar *toolName[];
gchar *defaultFigureName = _("Figure %d");
/* Callbacks */
static void
descriptionSelected_cb (GtkTreeSelection *selection, drgeoFigure *figure);
geoView::geoView (xmlNodePtr drgeoXml):
drgeniusView (FIGURE_CHILD, true)
{
static gint counter = 1;
drgeoGtkDrawable *drawable;
GtkWidget *paned, *widget1, *widget2;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkTreeSelection *select;
double propValue, scale = 0;
drgeoPoint p;
xmlNodePtr child;
p_figure = new drgeoFigure (drgeoXml);
if (drgeoXml == NULL)
p_name = g_strdup_printf (_(drgeoConfigGet (":figureName")), counter++);
else
p_name = (gchar *) (xmlGetProp (drgeoXml, BAD_CAST "name"));
// Define the drawable
drawable = (drgeoGtkDrawable *) createWidgetView ();
p_figure->setDrawable ((drgeoDrawable *) drawable);
// We need to update the scale and coordinate of the origin in the
// drawable
if (drgeoXml != NULL)
{
if (xml_get_value_double (drgeoXml, "scale", &scale))
drawable->setScale (scale);
if (xml_get_value_double (drgeoXml, "origin_x", &propValue))
{
p.setX (propValue);
if (xml_get_value_double (drgeoXml, "origin_y", &propValue))
{
p.setY (propValue);
drawable->setAreaCenter (p);
}
}
drawable->updateAdjustments ();
// get the bounding box if it exists
child = xml_search_child (drgeoXml, "boundingBox");
if (child)
{
drgeoPoint tl, br;
xml_get_value_double (child, "tl_x", &propValue);
tl.setX (propValue);
xml_get_value_double (child, "tl_y", &propValue);
tl.setY (propValue);
xml_get_value_double (child, "br_x", &propValue);
br.setX (propValue);
xml_get_value_double (child, "br_y", &propValue);
br.setY (propValue);
drawable->showPrintingArea (tl, br);
}
}
//build the popup menu and toolbar and attach them to the drawable
//and the view
p_menu = new drgeoMenu (this);
p_toolbar = new drgeoToolbar (this);
// Adjust the scale in the toolbar and menu
if (scale != 0)
{
setZoomFactorTb (scaleToZoom (scale));
setZoomFactorMenu (scaleToZoom (scale));
}
p_geoView = gtk_vbox_new (false, 0);
gtk_box_pack_start (GTK_BOX (p_geoView),
p_toolbar->controlerWidget (),
false, false,0);
paned = gtk_hpaned_new ();
gtk_paned_set_position (GTK_PANED (paned), 1);
gtk_box_pack_start (GTK_BOX (p_geoView),
paned,
true, true,0);
//
// Pack the description widget in the Hpaned
//
// to hold the description: a tree and a model
p_descrStore = gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
p_descrTree = gtk_tree_view_new_with_model (GTK_TREE_MODEL (p_descrStore));
g_object_unref (G_OBJECT (p_descrStore));
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("Items"),
renderer,
"text", 0,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (p_descrTree), column);
widget1 = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (widget1),
p_descrTree);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (widget1),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
// Ornaments
widget2 = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (widget2), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (widget2), widget1);
gtk_paned_add1 (GTK_PANED (paned), widget2);
// set the callback for the tree widget
select = gtk_tree_view_get_selection (GTK_TREE_VIEW (p_descrTree));
gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
g_signal_connect (G_OBJECT (select), "changed",
G_CALLBACK (descriptionSelected_cb),
(gpointer) p_figure);
//
// Pack a horizontal box in the Hpaned,
// then pack the short cut bar
// and the top widget
widget1 = gtk_hbox_new (false, 0);
gtk_paned_add2 (GTK_PANED (paned),
widget1);
gtk_box_pack_start (GTK_BOX (widget1),
p_toolbar->shortcutWidget (),
false, false,0);
gtk_box_pack_start (GTK_BOX (widget1),
drawable->getTopWidget (),
true, true,0);
drawable->updateDescription ();
updateUserInterface ();
gtk_widget_show_all (p_geoView);
}
geoView::
~geoView ()
{
delete ((drgeoGtkDrawable *) p_figure->getDrawable ());
delete (p_figure);
}
gboolean
geoView::save (gchar *filename)
{
gint ret;
xmlDocPtr xml;
if (this->p_filename != filename)
{
g_free (this->p_filename);
this->p_filename = g_strdup (filename);
}
xml = xmlNewDoc (BAD_CAST "1.0");
xml->xmlRootNode = xmlNewDocNode (xml, NULL,
BAD_CAST "drgenius", NULL);
p_figure->saveAs (xml->xmlRootNode, p_name);
ret = xmlSaveFile (filename, xml);
xmlFreeDoc (xml);
return (ret != -1);
}
gboolean
geoView::saveNode (xmlNodePtr tree)
{
return p_figure->saveAs (tree, p_name);
}
gboolean
geoView::undo (gint n)
{
p_figure->undo (n);
return TRUE;
}
gboolean
geoView::redo (gint n)
{
p_figure->redo (n);
return TRUE;
}
gboolean
geoView::undoActive ()
{
return p_figure->undoActive ();
}
gboolean
geoView::redoActive ()
{
return p_figure->redoActive ();
}
gpointer
geoView::createWidgetView ()
{
drgeoGtkDrawable *drawable;
drawable = new drgeoGtkDrawable (p_figure, this);
return (gpointer) drawable;
}
GtkWidget *
geoView::widgetView ()
{
return p_geoView;
}
drgeoFigure *
geoView::figure ()
{
return p_figure;
}
void
geoView::setZoomFactorTb (drgeoZoomFactor zoom)
{
p_toolbar->setZoomFactor (zoom);
}
void
geoView::setZoomFactorMenu (drgeoZoomFactor zoom)
{
p_menu->setZoomFactor (zoom);
}
void
geoView::updateUserInterface ()
{
p_toolbar->updateUserInterface ();
p_menu->updateUserInterface ();
}
void
geoView::addDescription (geometricObject *item)
{
GtkTreeIter parentIter, childIter;
gchar **itemDescription;
GList *parent;
item->updateDescription ();
itemDescription = item->getDescription ();
gtk_tree_store_append (p_descrStore, &parentIter, NULL); /* Acquire a top-level iterator */
gtk_tree_store_set (p_descrStore, &parentIter,
0, itemDescription[0],
1, item,
-1);
parent = item->getParentList ();
while (parent)
{
item = (geometricObject *) parent->data;
++itemDescription;
gtk_tree_store_append (p_descrStore, &childIter, &parentIter);
gtk_tree_store_set (p_descrStore, &childIter,
0, itemDescription[0],
1, item,
-1);
parent = g_list_next (parent);
}
}
void
geoView::clearDescription ()
{
gtk_tree_store_clear (GTK_TREE_STORE (p_descrStore));
}
/* Callback */
static void
descriptionSelected_cb (GtkTreeSelection *selection, drgeoFigure *figure)
{
GtkTreeIter iter;
GtkTreeModel *model;
geometricObject *item;
figure->clearSelection ();
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
gtk_tree_model_get (model, &iter, 1, &item, -1);
if (item)
figure->getSelection ()->ajoute ((void *) item);
}
}
double zoomToScale (gfloat zoom)
{
return (3. * zoom / 10.);
}
drgeoZoomFactor scaleToZoom (double scale)
{
return (drgeoZoomFactor) (int) (scale * 10. / 3.);
}
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