workspace_hover.go RawHistoryFolder

1// workspace_hover.go - Hover handler management for workspace panes
2package browser
3
4import (
5	"fmt"
6
7	"github.com/bnema/dumber/internal/logging"
8	"github.com/bnema/dumber/pkg/webkit"
9	"github.com/diamondburned/gotk4/pkg/glib/v2"
10)
11
12// ensureHover attaches hover handlers to a pane node for mouse-based focus changes
13func (wm *WorkspaceManager) ensureHover(node *paneNode) {
14	if wm == nil || node == nil || !node.isLeaf {
15		return
16	}
17
18	// Skip if already attached or no container
19	if node.container == nil || node.hoverToken != nil {
20		return
21	}
22
23	// Attach hover handler to the pane container
24	controller := webkit.WidgetAddHoverHandler(node.container, func() {
25		if wm == nil || node == nil {
26			return
27		}
28
29		// Skip if this pane is already active to avoid redundant focus churn.
30		if wm.GetActiveNode() == node {
31			return
32		}
33
34		// Debounce hover events to prevent rapid focus changes (minimum 150ms between hover-triggered focus changes)
35		now := glib.GetMonotonicTime()
36		if node.lastHoverTime > 0 && (now-node.lastHoverTime) < 150000 { // 150ms in microseconds
37			return
38		}
39		node.lastHoverTime = now
40
41		// Request focus change when mouse enters the pane
42		wm.SetActivePane(node, SourceMouse)
43	})
44
45	if controller != nil {
46		node.hoverToken = controller
47		logging.Debug(fmt.Sprintf("[workspace] Attached hover handler to pane %p (controller=%p)", node, controller))
48	} else {
49		logging.Error(fmt.Sprintf("[workspace] Failed to attach hover handler to pane %p", node))
50	}
51}
52
53// detachHover removes hover handlers from a pane node
54func (wm *WorkspaceManager) detachHover(node *paneNode) {
55	if wm == nil || node == nil || node.hoverToken == nil {
56		return
57	}
58
59	if node.container == nil {
60		node.hoverToken = nil
61		return
62	}
63
64	webkit.WidgetRemoveHoverHandler(node.container, node.hoverToken)
65	logging.Debug(fmt.Sprintf("[workspace] Detached hover handler from pane %p (controller=%p)", node, node.hoverToken))
66	node.hoverToken = nil
67}
68
69// attachHoverHandlersToAllPanes attaches hover handlers to all leaf panes
70func (wm *WorkspaceManager) attachHoverHandlersToAllPanes() {
71	if wm == nil {
72		return
73	}
74
75	leaves := wm.collectLeaves()
76	for _, leaf := range leaves {
77		wm.ensureHover(leaf)
78	}
79
80	logging.Debug(fmt.Sprintf("[workspace] Attached hover handlers to %d panes", len(leaves)))
81}