processEvents

Process mouse position events to find the hovered row.

scroll_info must be the same as pass to the GriwWidget init_option.

Parameters

self:*HoveredRow: *HoveredRow
grid:*GridWidget: *GridWidget

Source

Implementation

pub fn processEvents(self: *HoveredRow, grid: *GridWidget) void {
        // Check if a row is being hovered.
        const evts = dvui.events();
        self.highlighted_row = row: {
            for (evts) |*e| {
                if (e.evt == .mouse and
                    e.evt.mouse.action == .position)
                {
                    // Translate mouse screen position to a logical position relative to the top-left of the grid body.
                    if (grid.pointToCell(e.evt.mouse.p)) |cell| {
                        break :row cell.row_num;
                    }
                }
            }
            break :row null;
        };
    }