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unix: add MultiSelect flag and OnSelectionChange callback

This commit is contained in:
Ben Campbell 2018-08-16 23:07:21 +12:00
parent d305440fa0
commit 49f2095d94
2 changed files with 33 additions and 0 deletions
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3
ui.h
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@ -1383,6 +1383,9 @@ struct uiTableParams {
// If CellValue() for this column for any row returns NULL, that
// row will also use the default background color.
int RowBackgroundColorModelColumn;
// MultiSelect sets selection mode for the table.
// 0=single selection, 1=allow multiple rows to be selected
int MultiSelect;
};
// uiTable is a uiControl that shows tabular data, allowing users to

30
unix/table.c
View File

@ -18,6 +18,8 @@ struct uiTable {
// TODO document this properly
GHashTable *indeterminatePositions;
guint indeterminateTimer;
void (*onSelectionChanged)(uiTable *, void *);
void *onSelectionChangedData;
};
// use the same size as GtkFileChooserWidget's treeview
@ -492,9 +494,28 @@ static void uiTableDestroy(uiControl *c)
uiFreeControl(uiControl(t));
}
static void onChanged(GtkTreeSelection *sel, gpointer data)
{
uiTable* t = uiTable(data);
(*(t->onSelectionChanged))(t, t->onSelectionChangedData);
}
static void defaultOnSelectionChanged(uiTable *t, void *data)
{
// do nothing
}
void uiTableOnSelectionChanged(uiTable *t, void (*f)(uiTable *, void *), void *data)
{
t->onSelectionChanged = f;
t->onSelectionChangedData = data;
}
uiTable *uiNewTable(uiTableParams *p)
{
uiTable *t;
GtkTreeSelection* sel;
GtkSelectionMode selMode;
uiUnixNewControl(uiTable, t);
@ -518,5 +539,14 @@ uiTable *uiNewTable(uiTableParams *p)
t->indeterminatePositions = g_hash_table_new_full(rowcolHash, rowcolEqual,
uiprivFree, uiprivFree);
sel = gtk_tree_view_get_selection(t->tv);
selMode = GTK_SELECTION_SINGLE;
if (p->MultiSelect == 1) {
selMode = GTK_SELECTION_MULTIPLE;
}
gtk_tree_selection_set_mode(sel, selMode);
g_signal_connect(sel, "changed", G_CALLBACK(onChanged), t);
uiTableOnSelectionChanged(t, defaultOnSelectionChanged, NULL);
return t;
}