MainWindow::MainWindow() {
char buf[1024];
Form1 = this;
fgColor = vcg2bcc(G_color);
canvas = new QAbstractScrollArea();
canvas->viewport()->setBackgroundRole(QPalette::Base);
canvas->viewport()->setAutoFillBackground(true);
canvas->viewport()->setFocusPolicy(Qt::StrongFocus);
canvas->viewport()->installEventFilter(this);
canvas->verticalScrollBar()->setRange(0, 100);
canvas->verticalScrollBar()->setValue(50);
canvas->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
canvas->horizontalScrollBar()->setRange(0, 100);
canvas->horizontalScrollBar()->setValue(50);
canvas->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
connect(canvas->verticalScrollBar(), SIGNAL(actionTriggered(int)), this, SLOT(scrollAction(int)));
connect(canvas->horizontalScrollBar(), SIGNAL(actionTriggered(int)), this, SLOT(scrollAction(int)));
connect(canvas->verticalScrollBar(), SIGNAL(sliderReleased()), this, SLOT(scrollSliderReleased()));
connect(canvas->horizontalScrollBar(), SIGNAL(sliderReleased()), this, SLOT(scrollSliderReleased()));
setCentralWidget(canvas);
createActions();
createMenus();
createToolBars();
createStatusBar();
readSettings();
MOVING_CURSOR = new QCursor(Qt::OpenHandCursor);
setCurrentFile("");
setUnifiedTitleAndToolBarOnMac(true);
update_origin_status();
set_drawing_rectangle(canvas->size().width() - 4, canvas->size().height() - 4);
QStringList args = qApp->arguments();
int argc = args.size();
char **argv = new char*[argc+1];
for (int i = 0; i < argc; i++ ) {
argv[i] = _strdup(args.at(i).toAscii().data());
}
argv[argc] = NULL;
vcg_main(argc, argv);
display_complete_graph();
update_zoom_status();
_snprintf(buf, sizeof(buf), "WinGraph32 - %s", G_title);
setWindowTitle(buf);
statistics();
_snprintf(buf, sizeof(buf), "%d nodes, %d edge segments, %d crossings",
st_nr_vis_nodes,
st_nr_vis_edges,
nr_crossings);
setNodesValue(buf);
resize(800, 600);
}
bool MainWindow::loadFile(const QString &fileName) {
char buf[1024];
char localFileName[800];
QByteArray pstr;
// convert fileName to localFileName
// copy localFileName to Dataname
pstr = fileName.toLatin1(); //possible alt .toAscii().data()
strncpy(localFileName, pstr.data(), 800-1);
strncpy(Dataname, localFileName, 800-1);
parse_part();
visualize_part();
display_complete_graph();
update_zoom_status();
canvas->viewport()->update();
_snprintf(buf, sizeof(buf), "WinGraph32 - %s", localFileName);
setWindowTitle(buf);
statistics();
_snprintf(buf, sizeof(buf), "%d nodes, %d edge segments, %d crossings",
st_nr_vis_nodes,
st_nr_vis_edges,
nr_crossings);
setNodesValue(buf);
resize(800, 600);
return true;
}
/*
When using the mouse wheel button to zoom in and out, it is more
intuitive to maintain the drawing zoom center-point based on the
cursor position. This can help orientation and prevent the drawing
from "jumping" around while zooming in and out.
*/
void
ddisplay_zoom_centered(DDisplay *ddisp, Point *point, real magnify)
{
Rectangle *visible;
real width, height;
/* cursor position ratios */
real rx,ry;
if ((ddisp->zoom_factor <= DDISPLAY_MIN_ZOOM) && (magnify<=1.0))
return;
if ((ddisp->zoom_factor >= DDISPLAY_MAX_ZOOM) && (magnify>=1.0))
return;
visible = &ddisp->visible;
/* calculate cursor position ratios */
rx = (point->x-visible->left)/(visible->right - visible->left);
ry = (point->y-visible->top)/(visible->bottom - visible->top);
width = (visible->right - visible->left)/magnify;
height = (visible->bottom - visible->top)/magnify;
ddisp->zoom_factor *= magnify;
/* set new origin based on the calculated ratios before zooming */
ddisplay_set_origo(ddisp, point->x-(width*rx),point->y-(height*ry));
ddisplay_update_scrollbars(ddisp);
ddisplay_add_update_all(ddisp);
ddisplay_flush(ddisp);
update_zoom_status (ddisp);
}
void
ddisplay_update_statusbar(DDisplay *ddisp)
{
update_zoom_status (ddisp);
update_snap_grid_status (ddisp);
update_mainpoint_status (ddisp);
}
void MainWindow::cartFixed() {
polarAct->setChecked(false);
polarFixedAct->setChecked(false);
cartAct->setChecked(false);
cartFixedAct->setChecked(true);
normalAct->setChecked(false);
m_validate_fe(3);
update_zoom_status();
canvas->viewport()->update();
}
void MainWindow::normal() {
// normalAct->setIcon(QIcon(":/images/normalViewDown.png"));
polarAct->setChecked(false);
polarFixedAct->setChecked(false);
cartAct->setChecked(false);
cartFixedAct->setChecked(false);
normalAct->setChecked(true);
m_validate_fe(4);
update_zoom_status();
canvas->viewport()->update();
}
void
ddisplay_zoom(DDisplay *ddisp, Point *point, real magnify)
{
Rectangle *visible;
real width, height, old_zoom;
visible = &ddisp->visible;
if ((ddisp->zoom_factor <= DDISPLAY_MIN_ZOOM) && (magnify<=1.0))
return;
if ((ddisp->zoom_factor >= DDISPLAY_MAX_ZOOM) && (magnify>=1.0))
return;
old_zoom = ddisp->zoom_factor;
ddisp->zoom_factor = old_zoom * magnify;
/* clip once more */
if (ddisp->zoom_factor < DDISPLAY_MIN_ZOOM)
ddisp->zoom_factor = DDISPLAY_MIN_ZOOM;
else if (ddisp->zoom_factor > DDISPLAY_MAX_ZOOM)
ddisp->zoom_factor = DDISPLAY_MAX_ZOOM;
/* the real one used - after clipping */
magnify = ddisp->zoom_factor / old_zoom;
width = (visible->right - visible->left)/magnify;
height = (visible->bottom - visible->top)/magnify;
ddisplay_set_origo(ddisp, point->x - width/2.0, point->y - height/2.0);
ddisplay_update_scrollbars(ddisp);
ddisplay_add_update_all(ddisp);
ddisplay_flush(ddisp);
update_zoom_status (ddisp);
}
void MainWindow::fitAll() {
display_complete_graph();
update_zoom_status();
canvas->viewport()->update();
}
void MainWindow::zoomNormal() {
set_fe_scaling(1, 1);
update_zoom_status();
canvas->viewport()->update();
}
void MainWindow::zoomOut() {
change_fe_scaling(2, 3);
update_zoom_status();
canvas->viewport()->update();
}
void
display_set_active(DDisplay *ddisp)
{
if (ddisp != active_display) {
active_display = ddisp;
/* perform notification here (such as switch layers dialog) */
layer_dialog_set_diagram(ddisp ? ddisp->diagram : NULL);
diagram_properties_set_diagram(ddisp ? ddisp->diagram : NULL);
if (ddisp) {
if (ddisp->is_standalone_window)
{
display_update_menu_state(ddisp);
if (prefs.toolbox_on_top) {
gtk_window_set_transient_for(GTK_WINDOW(interface_get_toolbox_shell()),
GTK_WINDOW(ddisp->shell));
} else {
gtk_window_set_transient_for(GTK_WINDOW(interface_get_toolbox_shell()),
NULL);
}
} else {
GtkNotebook *notebook = g_object_get_data (G_OBJECT (ddisp->shell),
DIA_MAIN_NOTEBOOK);
/* Find the page with ddisp then set the label on the tab */
gint num_pages = gtk_notebook_get_n_pages (notebook);
gint num;
GtkWidget *page;
for (num = 0 ; num < num_pages ; num++)
{
page = gtk_notebook_get_nth_page (notebook,num);
if (g_object_get_data (G_OBJECT (page), "DDisplay") == ddisp)
{
gtk_notebook_set_current_page (notebook,num);
break;
}
}
/* synchronize_ui_to_active_display (ddisp); */
/* updates display title, etc */
diagram_modified(ddisp->diagram);
/* ZOOM */
update_zoom_status (ddisp);
/* Snap to grid */
ddisplay_set_snap_to_grid (ddisp, ddisp->grid.snap); /* menus */
/* Object snapping */
ddisplay_set_snap_to_objects (ddisp, ddisp->mainpoint_magnetism);
display_update_menu_state (ddisp);
gtk_window_present (GTK_WINDOW(ddisp->shell));
}
} else {
/* TODO: Prevent gtk_window_set_transient_for() in Integrated UI case */
gtk_window_set_transient_for(GTK_WINDOW(interface_get_toolbox_shell()),
NULL);
}
}
}
