Add new API function to set table row double click callback.

uiTableOnRowDoubleClicked

Implementations provided for darwin, unix, and windows.

darwin/table.h

@@ -16,6 +16,8 @@ struct uiTable {
 	uiprivScrollViewData *d;
 	int backgroundColumn;
 	uiTableModel *m;
+	void (*onRowDoubleClicked)(uiTable *, int, void *);
+	void *onRowDoubleClickedData;
 };
 
 // tablecolumn.m

darwin/table.m

@@ -16,6 +16,7 @@
 	uiTableModel *uiprivM;
 }
 - (id)initWithFrame:(NSRect)r uiprivT:(uiTable *)t uiprivM:(uiTableModel *)m;
+- (void)onDoubleAction:(id)sender;
 @end
 
 @implementation uiprivTableView
@@ -30,6 +31,17 @@
 	return self;
 }
 
+- (void)onDoubleAction:(id)sender
+{
+	uiTable *t = self->uiprivT;
+	NSInteger row = [self clickedRow];
+
+	if (row < 0)
+		return;
+
+	(*(t->onRowDoubleClicked))(t, row, t->onRowDoubleClickedData);
+}
+
 // TODO is this correct for overflow scrolling?
 static void setBackgroundColor(uiprivTableView *t, NSTableRowView *rv, NSInteger row)
 {
@@ -170,6 +182,17 @@ static void uiTableDestroy(uiControl *c)
 	uiFreeControl(uiControl(t));
 }
 
+static void defaultOnRowDoubleClicked(uiTable *table, int row, void *data)
+{
+	// do nothing
+}
+
+void uiTableOnRowDoubleClicked(uiTable *t, void (*f)(uiTable *, int, void *), void *data)
+{
+	t->onRowDoubleClicked = f;
+	t->onRowDoubleClickedData = data;
+}
+
 uiTable *uiNewTable(uiTableParams *p)
 {
 	uiTable *t;
@@ -198,6 +221,9 @@ uiTable *uiNewTable(uiTableParams *p)
 	[t->tv setAllowsTypeSelect:YES];
 	// TODO floatsGroupRows — do we even allow group rows?
 
+	uiTableOnRowDoubleClicked(t, defaultOnRowDoubleClicked, NULL);
+	[t->tv setDoubleAction: @selector(onDoubleAction:)];
+
 	memset(&sp, 0, sizeof (uiprivScrollViewCreateParams));
 	sp.DocumentView = t->tv;
 	// this is what Interface Builder sets it to

test/page16.c

@@ -98,6 +98,11 @@ static void modelSetCellValue(uiTableModelHandler *mh, uiTableModel *m, int row,
 		checkStates[row] = uiTableValueInt(val);
 }
 
+static void onRowDoubleClicked(uiTable *table, int row, void *data)
+{
+	printf("Double clicked row %d\n", row);
+}
+
 static uiTableModel *m;
 
 uiBox *makePage16(void)
@@ -152,6 +157,8 @@ uiBox *makePage16(void)
 	uiTableAppendProgressBarColumn(t, "Progress Bar",
 		8);
 
+	uiTableOnRowDoubleClicked(t, onRowDoubleClicked, NULL);
+
 	return page16;
 }
 

ui.h

@@ -1455,6 +1455,12 @@ _UI_EXTERN void uiTableAppendButtonColumn(uiTable *t,
 	int buttonModelColumn,
 	int buttonClickableModelColumn);
 
+// uiTableOnRowDoubleClicked sets a callback to be called when the user
+// double clicks a table row.
+_UI_EXTERN void uiTableOnRowDoubleClicked(uiTable *t,
+	void (*f)(uiTable *t, int row, void *data),
+	void *data);
+
 // uiNewTable() creates a new uiTable with the specified parameters.
 _UI_EXTERN uiTable *uiNewTable(uiTableParams *params);
 

unix/table.c

@@ -18,6 +18,8 @@ struct uiTable {
 	// TODO document this properly
 	GHashTable *indeterminatePositions;
 	guint indeterminateTimer;
+	void (*onRowDoubleClicked)(uiTable *, int, void *);
+	void *onRowDoubleClickedData;
 };
 
 // use the same size as GtkFileChooserWidget's treeview
@@ -494,6 +496,25 @@ static void uiTableDestroy(uiControl *c)
 	uiFreeControl(uiControl(t));
 }
 
+static void onRowDoubleClicked(GtkTreeView *tv, GtkTreePath *path, GtkTreeViewColumn *col, gpointer data)
+{
+	uiTable *t = uiTable(data);
+	gint row = gtk_tree_path_get_indices(path)[0];
+
+	(*(t->onRowDoubleClicked))(t, row, t->onRowDoubleClickedData);
+}
+
+static void defaultOnRowDoubleClicked(uiTable *table, int row, void *data)
+{
+	// do nothing
+}
+
+void uiTableOnRowDoubleClicked(uiTable *t, void (*f)(uiTable *, int, void *), void *data)
+{
+	t->onRowDoubleClicked = f;
+	t->onRowDoubleClickedData = data;
+}
+
 uiTable *uiNewTable(uiTableParams *p)
 {
 	uiTable *t;
@@ -511,7 +532,10 @@ uiTable *uiNewTable(uiTableParams *p)
 
 	t->treeWidget = gtk_tree_view_new_with_model(GTK_TREE_MODEL(t->model));
 	t->tv = GTK_TREE_VIEW(t->treeWidget);
+
 	// TODO set up t->tv
+	uiTableOnRowDoubleClicked(t, defaultOnRowDoubleClicked, NULL);
+	g_signal_connect(t->tv, "row-activated", G_CALLBACK(onRowDoubleClicked), t);
 
 	gtk_container_add(t->scontainer, t->treeWidget);
 	// and make the tree view visible; only the scrolled window's visibility is controlled by libui

windows/table.cpp

@@ -79,6 +79,17 @@ void uiTableModelRowDeleted(uiTableModel *m, int oldIndex)
 	}
 }
 
+static void defaultOnRowDoubleClicked(uiTable *table, int row, void *data)
+{
+	// do nothing
+}
+
+void uiTableOnRowDoubleClicked(uiTable *t, void (*f)(uiTable *, int, void *), void *data)
+{
+	t->onRowDoubleClicked = f;
+	t->onRowDoubleClickedData = data;
+}
+
 uiTableModelHandler *uiprivTableModelHandler(uiTableModel *m)
 {
 	return m->mh;
@@ -278,6 +289,15 @@ static BOOL onWM_NOTIFY(uiControl *c, HWND hwnd, NMHDR *nmhdr, LRESULT *lResult)
 		}
 		return TRUE;
 #endif
+	case NM_DBLCLK:
+		{
+			LVHITTESTINFO ht = {};
+			ht.pt = ((NMITEMACTIVATE *)nmhdr)->ptAction;
+			if (ListView_SubItemHitTest(t->hwnd, &ht) == -1)
+				return FALSE;
+			(*(t->onRowDoubleClicked))(t, ht.iItem, t->onRowDoubleClickedData);
+			return TRUE;
+		}
 	case LVN_ITEMCHANGED:
 		{
 			NMLISTVIEW *nm = (NMLISTVIEW *) nmhdr;
@@ -518,5 +538,7 @@ uiTable *uiNewTable(uiTableParams *p)
 	if (SetWindowSubclass(t->hwnd, tableSubProc, 0, (DWORD_PTR) t) == FALSE)
 		logLastError(L"SetWindowSubclass()");
 
+	uiTableOnRowDoubleClicked(t, defaultOnRowDoubleClicked, NULL);
+
 	return t;
 }

windows/table.hpp

@@ -40,6 +40,8 @@ struct uiTable {
 	HWND edit;
 	int editedItem;
 	int editedSubitem;
+	void (*onRowDoubleClicked)(uiTable *, int, void *);
+	void *onRowDoubleClickedData;
 };
 extern int uiprivTableProgress(uiTable *t, int item, int subitem, int modelColumn, LONG *pos);