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/***************************************************************************
* gotowindow.c
*
* Copyright 2005 Ian McIntosh
* ian_mcintosh@linuxadvocate.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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <glade/glade.h>
#include <gnome.h>
#include "util.h"
#include "map.h"
#include "mainwindow.h"
#include "gotowindow.h"
#define LOCATIONLIST_COLUMN_NAME (0)
#define LOCATIONLIST_COLUMN_LOCATION (1)
#define LOCATIONLIST_COLUMN_LATITUDE (2)
#define LOCATIONLIST_COLUMN_LONGITUDE (3)
#define LOCATIONLIST_NUM_COLUMNS (4)
void gotowindow_on_locationlist_row_activated(GtkTreeView *treeview, GtkTreePath *arg1, GtkTreeViewColumn *arg2, gpointer user_data);
void gotowindow_on_location_list_selection_changed(GtkTreeSelection *treeselection, gpointer user_data);
struct {
GtkWindow* m_pWindow;
// GtkRadioButton* m_pNewLocationRadioButton;
// GtkRadioButton* m_pKnownLocationRadioButton;
GtkTreeView* m_pLocationListTreeView;
GtkListStore* m_pLocationListModel;
GtkEntry* m_pLongitudeEntry;
GtkEntry* m_pLatitudeEntry;
} g_GotoWindow;
void gotowindow_init(GladeXML* pGladeXML)
{
g_GotoWindow.m_pWindow = GTK_WINDOW(glade_xml_get_widget(pGladeXML, "gotowindow")); g_return_if_fail(g_GotoWindow.m_pWindow != NULL);
//g_GotoWindow.m_pNewLocationRadioButton = GTK_RADIO_BUTTON(glade_xml_get_widget(pGladeXML, "newlocationradiobutton")); g_return_if_fail(g_GotoWindow.m_pNewLocationRadioButton != NULL);
//g_GotoWindow.m_pKnownLocationRadioButton = GTK_RADIO_BUTTON(glade_xml_get_widget(pGladeXML, "knownlocationradiobutton")); g_return_if_fail(g_GotoWindow.m_pKnownLocationRadioButton != NULL);
g_GotoWindow.m_pLocationListTreeView = GTK_TREE_VIEW(glade_xml_get_widget(pGladeXML, "knownlocationtreeview")); g_return_if_fail(g_GotoWindow.m_pLocationListTreeView != NULL);
g_GotoWindow.m_pLongitudeEntry = GTK_ENTRY(glade_xml_get_widget(pGladeXML, "longitudeentry")); g_return_if_fail(g_GotoWindow.m_pLongitudeEntry != NULL);
g_GotoWindow.m_pLatitudeEntry = GTK_ENTRY(glade_xml_get_widget(pGladeXML, "latitudeentry")); g_return_if_fail(g_GotoWindow.m_pLatitudeEntry != NULL);
// don't delete window on X, just hide it
g_signal_connect(G_OBJECT(g_GotoWindow.m_pWindow), "delete_event", G_CALLBACK(gtk_widget_hide), NULL);
g_GotoWindow.m_pLocationListModel = gtk_list_store_new(LOCATIONLIST_NUM_COLUMNS,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_DOUBLE,
G_TYPE_DOUBLE);
gtk_tree_view_set_model(g_GotoWindow.m_pLocationListTreeView, GTK_TREE_MODEL(g_GotoWindow.m_pLocationListModel));
GtkTreeSelection* pTreeSelection = gtk_tree_view_get_selection(g_GotoWindow.m_pLocationListTreeView);
g_signal_connect(G_OBJECT(pTreeSelection), "changed", (GtkSignalFunc)gotowindow_on_location_list_selection_changed, NULL);
GtkCellRenderer* pCellRenderer;
GtkTreeViewColumn* pColumn;
/* add Layer Name column (with a text renderer) */
pCellRenderer = gtk_cell_renderer_text_new();
pColumn = gtk_tree_view_column_new_with_attributes("Name", pCellRenderer, "text", LOCATIONLIST_COLUMN_NAME, NULL);
gtk_tree_view_append_column(g_GotoWindow.m_pLocationListTreeView, pColumn);
/* add Location column */
pCellRenderer = gtk_cell_renderer_text_new();
pColumn = gtk_tree_view_column_new_with_attributes("Location", pCellRenderer, "text", LOCATIONLIST_COLUMN_LOCATION, NULL);
gtk_tree_view_append_column(g_GotoWindow.m_pLocationListTreeView, pColumn);
//
// add some fake data (FIXME)
//
struct { gchar* name; double lat; double lon; } list[] = {
{"Home", 42.3718, -71.0906},
{"Concord, NH", 43.2062, -71.5363},
{"Cambridge Common, MA", 42.3768, -71.1212},
{"Central Park, NY", 40.78410, -73.96429},
};
GtkTreeIter iter;
int i;
for(i=0 ; i<NUM_ELEMS(list) ;i++) {
gtk_list_store_append(g_GotoWindow.m_pLocationListModel, &iter);
gtk_list_store_set(g_GotoWindow.m_pLocationListModel, &iter,
LOCATIONLIST_COLUMN_NAME, list[i].name,
LOCATIONLIST_COLUMN_LOCATION, g_strdup_printf("(%8.5f, %8.5f)", list[i].lat, list[i].lon),
LOCATIONLIST_COLUMN_LATITUDE, list[i].lat,
LOCATIONLIST_COLUMN_LONGITUDE, list[i].lon,
-1);
}
}
void gotowindow_show(void)
{
if(!GTK_WIDGET_VISIBLE(g_GotoWindow.m_pWindow)) {
// gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(g_GotoWindow.m_pKnownLocationRadioButton), TRUE);
gtk_widget_grab_focus(GTK_WIDGET(g_GotoWindow.m_pLocationListTreeView));
//~ gtk_entry_set_text(g_GotoWindow.m_pLongitudeEntry, "");
//~ gtk_entry_set_text(g_GotoWindow.m_pLatitudeEntry, "");
gtk_widget_show(GTK_WIDGET(g_GotoWindow.m_pWindow));
}
gtk_window_present(g_GotoWindow.m_pWindow);
}
void gotowindow_hide(void)
{
gtk_widget_hide(GTK_WIDGET(g_GotoWindow.m_pWindow));
}
static gboolean util_string_to_double(const gchar* psz, gdouble* pReturn)
{
gdouble d = g_strtod(psz, NULL);
if(d == 0.0) {
const gchar* p = psz;
// check for bad characters
while(*p != '\0') {
if(*p != '0' && *p != '.' && *p != '-' && *p != '+') {
return FALSE;
}
p++;
}
}
*pReturn = d;
return TRUE;
}
static gboolean gotowindow_go(void)
{
const gchar* pszLatitude = gtk_entry_get_text(g_GotoWindow.m_pLatitudeEntry);
const gchar* pszLongitude = gtk_entry_get_text(g_GotoWindow.m_pLongitudeEntry);
mappoint_t pt;
if(!util_string_to_double(pszLatitude, &(pt.m_fLatitude))) return FALSE;
if(!util_string_to_double(pszLongitude, &(pt.m_fLongitude))) return FALSE;
// TODO: error checking for 0 (meaning either bad text "3a21" or "000" etc.
mainwindow_set_centerpoint(&pt);
mainwindow_draw_map();
mainwindow_statusbar_update_position();
return TRUE;
}
//~ gboolean gotowindow_goto_known_location()
//~ {
//~ double fLatitude = 0, fLongitude = 0;
//~ GtkTreeIter iter;
//~ GtkTreeSelection *pKnownLocationSelection;
//~ GtkTreeModel* pModel = GTK_TREE_MODEL(g_GotoWindow.m_pLocationListModel);
//~ pKnownLocationSelection = gtk_tree_view_get_selection(g_GotoWindow.m_pLocationListTreeView);
//~ if(gtk_tree_selection_get_selected(pKnownLocationSelection, &pModel, &iter)) {
//~ gtk_tree_model_get(pModel,
//~ &iter,
//~ LOCATIONLIST_COLUMN_LATITUDE, &fLatitude,
//~ LOCATIONLIST_COLUMN_LONGITUDE, &fLongitude,
//~ -1);
//~ map_center_on_worldpoint(fLatitude, fLongitude);
//~ mainwindow_draw_map();
//~ return TRUE;
//~ }
//~ return FALSE;
//~ }
//
// Callbacks
//
void gotowindow_on_knownlocationtreeview_row_activated(GtkTreeView *treeview, GtkTreePath *arg1, GtkTreeViewColumn *arg2, gpointer user_data)
{
if(gotowindow_go()) {
gotowindow_hide();
}
}
void gotowindow_on_gobutton_clicked(GtkButton *button, gpointer user_data)
{
// hide window when "Go" button clicked (successfully)
if(gotowindow_go()) {
gotowindow_hide();
}
}
void gotowindow_on_location_list_selection_changed(GtkTreeSelection *treeselection, gpointer user_data)
{
double fLatitude = 0, fLongitude = 0;
GtkTreeIter iter;
GtkTreeSelection *pLocationSelection;
GtkTreeModel* pModel = GTK_TREE_MODEL(g_GotoWindow.m_pLocationListModel);
pLocationSelection = gtk_tree_view_get_selection(g_GotoWindow.m_pLocationListTreeView);
if(gtk_tree_selection_get_selected(pLocationSelection, &pModel, &iter)) {
gtk_tree_model_get(pModel,
&iter,
LOCATIONLIST_COLUMN_LATITUDE, &fLatitude,
LOCATIONLIST_COLUMN_LONGITUDE, &fLongitude,
-1);
gchar azValue[50];
g_snprintf(azValue, 50, "%.5f", fLatitude);
gtk_entry_set_text(g_GotoWindow.m_pLatitudeEntry, azValue);
g_snprintf(azValue, 50, "%.5f", fLongitude);
gtk_entry_set_text(g_GotoWindow.m_pLongitudeEntry, azValue);
}
}
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