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Nodes: Python: show idname in node tooltip

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Currently, it's hard to figure out the idname of a node when just looking at it
in the node editor. while most users don't need this information, it's very
useful for Python developers.

This patch adds the node idname to the tooltip that shows up when hovering over
the node header. It only shows if "Python Tooltips" is enabled in the
preferences.

This also fixes a bug where the dynamic node description wouldn't show when the
node is collapsed.

Pull Request: https://projects.blender.org/blender/blender/pulls/142178
This commit is contained in:
Jacques Lucke
2025-07-18 06:19:18 +02:00
parent 751cfe4a74
commit c1f4b6e9d8
1 changed files with 26 additions and 11 deletions
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37
source/blender/editors/space_node/node_draw.cc
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@@ -2683,6 +2683,30 @@ static bool node_undefined_or_unsupported(const bNodeTree &node_tree, const bNod
return false;
}
static void node_header_custom_tooltip(const bNode &node, uiBut &but)
{
UI_but_func_tooltip_custom_set(
&but,
[](bContext & /*C*/, uiTooltipData &data, uiBut * /*but*/, void *argN) {
const bNode &node = *static_cast<const bNode *>(argN);
const std::string description = node.typeinfo->ui_description_fn ?
node.typeinfo->ui_description_fn(node) :
node.typeinfo->ui_description;
UI_tooltip_text_field_add(
data, std::move(description), "", UI_TIP_STYLE_NORMAL, UI_TIP_LC_NORMAL);
if (U.flag & USER_TOOLTIPS_PYTHON) {
UI_tooltip_text_field_add(data,
fmt::format("Python: {}", node.idname),
"",
UI_TIP_STYLE_MONO,
UI_TIP_LC_PYTHON,
true);
}
},
&const_cast<bNode &>(node),
nullptr);
}
static void node_draw_basis(const bContext &C,
TreeDrawContext &tree_draw_ctx,
const View2D &v2d,
@@ -2978,17 +3002,7 @@ static void node_draw_basis(const bContext &C,
0,
0,
TIP_(node.typeinfo->ui_description.c_str()));
UI_but_func_tooltip_set(
but,
[](bContext * /*C*/, void *arg, const StringRef tip) -> std::string {
const bNode &node = *static_cast<const bNode *>(arg);
if (node.typeinfo->ui_description_fn) {
return node.typeinfo->ui_description_fn(node);
}
return tip;
},
const_cast<bNode *>(&node),
nullptr);
node_header_custom_tooltip(node, *but);
if (node.is_muted()) {
UI_but_flag_enable(but, UI_BUT_INACTIVE);
@@ -3229,6 +3243,7 @@ static void node_draw_collapsed(const bContext &C,
0,
0,
TIP_(node.typeinfo->ui_description.c_str()));
node_header_custom_tooltip(node, *but);
/* Outline. */
{