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More work on mouse selections

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This commit is contained in:
Kovid Goyal
2023-03-27 17:56:00 +05:30
parent a22933afbc
commit d33b83e6ea
3 changed files with 79 additions and 11 deletions
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26
kittens/diff/ui.go
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@@ -54,6 +54,7 @@ var image_collection *graphics.ImageCollection
type screen_size struct{ rows, columns, num_lines, cell_width, cell_height int }
type Handler struct {
async_results chan AsyncResult
mouse_selection MouseSelection
shortcut_tracker config.ShortcutTracker
left, right string
collection *Collection
@@ -628,20 +629,25 @@ func (self *Handler) dispatch_action(name, args string) error {
return nil
}
func (self *Handler) handle_wheel_event(up bool) {
if self.logical_lines != nil {
amt := 2
if up {
amt *= -1
}
self.dispatch_action(`scroll_by`, strconv.Itoa(amt))
}
}
func (self *Handler) on_mouse_event(ev *loop.MouseEvent) error {
if self.logical_lines == nil {
return nil
}
if ev.Event_type == loop.MOUSE_PRESS && ev.Buttons&(loop.MOUSE_WHEEL_UP|loop.MOUSE_WHEEL_DOWN) != 0 {
self.handle_wheel_event(ev.Buttons&(loop.MOUSE_WHEEL_UP) != 0)
return nil
}
if ev.Event_type == loop.MOUSE_PRESS && ev.Buttons&loop.LEFT_MOUSE_BUTTON != 0 {
self.start_mouse_selection(ev)
return nil
}
if ev.Event_type == loop.MOUSE_MOVE {
self.update_mouse_selection(ev)
return nil
}
if ev.Event_type == loop.MOUSE_RELEASE && ev.Buttons&loop.LEFT_MOUSE_BUTTON != 0 {
self.finish_mouse_selection(ev)
return nil
}
return nil
}