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-rw-r--r--lib/ui/grid.go41
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/ui/grid.go b/lib/ui/grid.go
index 7f131bdf..b47c6bd6 100644
--- a/lib/ui/grid.go
+++ b/lib/ui/grid.go
@@ -5,6 +5,8 @@ import (
"math"
"sync"
"sync/atomic"
+
+ "github.com/gdamore/tcell"
)
type Grid struct {
@@ -141,6 +143,45 @@ func (grid *Grid) Draw(ctx *Context) {
}
}
+func (grid *Grid) MouseEvent(localX int, localY int, event tcell.Event) {
+ switch event := event.(type) {
+ case *tcell.EventMouse:
+ invalid := grid.invalid
+
+ grid.mutex.RLock()
+ defer grid.mutex.RUnlock()
+
+ for _, cell := range grid.cells {
+ cellInvalid := cell.invalid.Load().(bool)
+ if !cellInvalid && !invalid {
+ continue
+ }
+ rows := grid.rowLayout[cell.Row : cell.Row+cell.RowSpan]
+ cols := grid.columnLayout[cell.Column : cell.Column+cell.ColSpan]
+ x := cols[0].Offset
+ y := rows[0].Offset
+ width := 0
+ height := 0
+ for _, col := range cols {
+ width += col.Size
+ }
+ for _, row := range rows {
+ height += row.Size
+ }
+ if x <= localX && localX < x+width && y <= localY && localY < y+height {
+ switch content := cell.Content.(type) {
+ case MouseableDrawableInteractive:
+ content.MouseEvent(localX-x, localY-y, event)
+ case Mouseable:
+ content.MouseEvent(localX-x, localY-y, event)
+ case MouseHandler:
+ content.MouseEvent(localX-x, localY-y, event)
+ }
+ }
+ }
+ }
+}
+
func (grid *Grid) reflow(ctx *Context) {
grid.rowLayout = nil
grid.columnLayout = nil