table_view::child_widget_scrolling_disposition_e table_view::scrolling_disposition(const i_widget& aChildWidget) const
{
if (&aChildWidget == &column_header())
return ScrollChildWidgetHorizontally;
else
return item_view::scrolling_disposition(aChildWidget);
}
void EDE_Browser::sort(int column, SortType type, bool reverse) {
char *h=column_header_;
int hlen=strlen(h);
char colchar = Fl_Icon_Browser::column_char();
// FIXME sort() shouldn't call column_header() because that calls show_header() and that
// deletes all buttons from header (so they could be recreated). This cause valgrind errors
// since sort is called in button callback - you can't delete a widget in its own callback
// Remove old sort direction symbol (if any) from header
char *delim = 0;
int col=0;
if (sort_type != NO_SORT) {
bool found=false;
while ((delim=strchr(h, colchar))) {
if (col==sort_column) {
for (uint i=0; i<=strlen(delim); i++) delim[i-SYMLEN+1]=delim[i];
found=true;
break;
}
h=delim+1;
col++;
}
if (!found && col==sort_column)
column_header_[hlen-SYMLEN+1]='\0';
h=column_header_;
delim = 0;
col=0;
}
// Add new symbol
char *newheader = new char[hlen+6];
if (type != NO_SORT) {
// Construct symbol
char sym[SYMLEN];
if (reverse) snprintf(sym,SYMLEN,"@-22<");
else snprintf(sym,SYMLEN,"@-22>");
// Find column
bool found=false;
while ((delim=strchr(h, colchar))) {
if (col==column) {
*delim='\0';
snprintf(newheader,hlen+SYMLEN,"%s%s\t%s",column_header_,sym,delim+1);
found=true;
break;
}
h=delim+1;
col++;
}
if (!found && col==column) // Just append symbol to string
snprintf(newheader, hlen+SYMLEN,"%s%s",column_header_,sym);
} else {
strncpy (newheader, column_header_, hlen);
newheader[hlen]='\0';
}
column_header(newheader);
delete[] newheader;
sort_column=column; sort_type=type; sort_direction=reverse;
// Start actually sorting
if (type != NO_SORT) {
// First create an array of strings in a given column
char** sorttext = (char**)malloc(sizeof(char*)*(size()+1)); // index starts from 1 for simplicity in mqsort
for (int i=1;i<=size();i++) {
char *tmp = strdup(text(i));
char *l = tmp;
int col=0;
while ((delim=strchr(l, Fl_Icon_Browser::column_char()))) {
*delim = '\0';
if (col==column) break;
l=delim+1;
col++;
}
sorttext[i] = strdup(l);
free(tmp);
}
mqsort(sorttext, 1, size()+1, type);
redraw();
// Free the allocated memory
for (int i=1; i<=size(); i++) free (sorttext[i]);
free(sorttext);
}
}
void table_view::presentation_model_changed()
{
column_header().set_presentation_model(presentation_model());
}
void table_view::model_changed()
{
column_header().set_model(model());
}
dimension table_view::column_width(uint32_t aColumn) const
{
return column_header().section_width(aColumn);
}
size table_view::item_total_area(graphics_context& aGraphicsContext) const
{
return size(column_header().total_width(), presentation_model().total_height(aGraphicsContext));
}
rect table_view::item_display_rect() const
{
return rect(
point(0.0, column_header().visible() ? column_header().extents().cy : 0.0),
size(std::min(client_rect().width(), column_header().total_width()), client_rect().height() - (column_header().visible() ? column_header().extents().cy : 0.0)));
}
void table_view::batch_update_ended()
{
column_header().end_batch_update();
}
void table_view::batch_update_started()
{
column_header().start_batch_update();
}
