From 7c1645bb1fae8a233fd2afe088e8d198f17b4831 Mon Sep 17 00:00:00 2001
From: Jaakko Keränen <jaakko.keranen@iki.fi>
Date: Sun, 4 Apr 2021 20:42:56 +0300
Subject: Widget: Added a debug utility

Printing the list of parents.
---
 src/ui/widget.c | 87 ++++++++++++++++++++++++++++++++++++---------------------
 src/ui/widget.h |  1 +
 2 files changed, 56 insertions(+), 32 deletions(-)

(limited to 'src/ui')

diff --git a/src/ui/widget.c b/src/ui/widget.c
index baabf673..cef36a00 100644
--- a/src/ui/widget.c
+++ b/src/ui/widget.c
@@ -1475,12 +1475,39 @@ void refresh_Widget(const iAnyObject *d) {
     postRefresh_App();
 }
 
-/* Debug utility for inspecting widget trees. */
-#include "labelwidget.h"
-static void printTree_Widget_(const iWidget *d, int indent) {
-    for (int i = 0; i < indent; ++i) {
-        fwrite("    ", 4, 1, stdout);
+void raise_Widget(iWidget *d) {
+    iPtrArray *onTop = onTop_RootData_();
+    if (d->flags & keepOnTop_WidgetFlag) {
+        iAssert(indexOf_PtrArray(onTop, d) != iInvalidPos);
+        removeOne_PtrArray(onTop, d);
+        pushBack_PtrArray(onTop, d);
     }
+}
+
+iBool hasVisibleChildOnTop_Widget(const iWidget *parent) {
+    iConstForEach(ObjectList, i, parent->children) {
+        const iWidget *child = i.object;
+        if (~child->flags & hidden_WidgetFlag && child->flags & keepOnTop_WidgetFlag) {
+            return iTrue;
+        }
+        if (hasVisibleChildOnTop_Widget(child)) {
+            return iTrue;
+        }
+    }
+    return iFalse;
+}
+
+iBeginDefineClass(Widget)
+    .processEvent = processEvent_Widget,
+    .draw         = draw_Widget,
+iEndDefineClass(Widget)
+
+/*----------------------------------------------------------------------------------------------
+   Debug utilities for inspecting widget trees.
+*/
+
+#include "labelwidget.h"
+static void printInfo_Widget_(const iWidget *d) {
     printf("[%p] %s:\"%s\" ", d, class_Widget(d)->name, cstr_String(&d->id));
     if (isInstance_Object(d, &Class_LabelWidget)) {
         printf("(%s|%s) ",
@@ -1498,43 +1525,39 @@ static void printTree_Widget_(const iWidget *d, int indent) {
            d->flags & fixedWidth_WidgetFlag ? " fixW" : "",
            d->flags & fixedHeight_WidgetFlag ? " fixH" : "",
            d->flags & resizeToParentWidth_WidgetFlag ? " rsPrnW" : "");
-    iConstForEach(ObjectList, i, d->children) {
-        printTree_Widget_(i.object, indent + 1);
-    }
 }
 
-void raise_Widget(iWidget *d) {
-    iPtrArray *onTop = onTop_RootData_();
-    if (d->flags & keepOnTop_WidgetFlag) {
-        iAssert(indexOf_PtrArray(onTop, d) != iInvalidPos);
-        removeOne_PtrArray(onTop, d);
-        pushBack_PtrArray(onTop, d);
+static void printTree_Widget_(const iWidget *d, int indent) {
+    for (int i = 0; i < indent; ++i) {
+        fwrite("    ", 4, 1, stdout);
     }
-}
-
-iBool hasVisibleChildOnTop_Widget(const iWidget *parent) {
-    iConstForEach(ObjectList, i, parent->children) {
-        const iWidget *child = i.object;
-        if (~child->flags & hidden_WidgetFlag && child->flags & keepOnTop_WidgetFlag) {
-            return iTrue;
-        }
-        if (hasVisibleChildOnTop_Widget(child)) {
-            return iTrue;
-        }
+    printInfo_Widget_(d);
+    iConstForEach(ObjectList, i, d->children) {
+        printTree_Widget_(i.object, indent + 1);
     }
-    return iFalse;
 }
 
 void printTree_Widget(const iWidget *d) {
     if (!d) {
-        printf("[NULL]\n");
+        puts("[NULL]");
         return;
     }
     printTree_Widget_(d, 0);
 }
 
-iBeginDefineClass(Widget)
-    .processEvent = processEvent_Widget,
-    .draw         = draw_Widget,
-iEndDefineClass(Widget)
-
+void identify_Widget(const iWidget *d) {
+    if (!d) {
+        puts("[NULL}");
+        return;
+    }
+    int indent = 0;
+    for (const iWidget *w = d; w; w = w->parent, indent++) {
+        if (indent > 0) {
+            for (int i = 0; i < indent; ++i) {
+                fwrite("  ", 2, 1, stdout);
+            }
+        }
+        printInfo_Widget_(w);
+    }
+    fflush(stdout);
+}
diff --git a/src/ui/widget.h b/src/ui/widget.h
index 4c5b7d85..dc79a22c 100644
--- a/src/ui/widget.h
+++ b/src/ui/widget.h
@@ -259,3 +259,4 @@ void        raise_Widget            (iWidget *);
 iBool       hasVisibleChildOnTop_Widget
                                     (const iWidget *parent);
 void        printTree_Widget        (const iWidget *);
+void        identify_Widget         (const iWidget *); /* prints to stdout */
-- 
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