Log/Capture: Fix various new line/spacing issue by using same render text position when there are both RenderText and LogRenderedText call in widget code.

Also Buttons are now enclosed in bracket

docs/CHANGELOG.txt

@@ -30,6 +30,15 @@ HOW TO UPDATE?
   and API updates have been a little more frequent lately. They are documented below and in imgui.cpp and should not affect all users.
 - Please report any issue!
 
+-----------------------------------------------------------------------
+ VERSION 1.81 (In Progress)
+-----------------------------------------------------------------------
+
+Other Changes:
+
+- Log/Capture: Fix various new line/spacing issue by using same render text position when there are both
+  RenderText and LogRenderedText call in widget code.
+  Also Buttons are now enclosed in bracket. [@Xipiryon]
 
 -----------------------------------------------------------------------
  VERSION 1.81 WIP (In Progress)

imgui.cpp

@@ -7572,7 +7572,7 @@ void ImGui::BeginGroup()
     window->DC.CursorMaxPos = window->DC.CursorPos;
     window->DC.CurrLineSize = ImVec2(0.0f, 0.0f);
     if (g.LogEnabled)
-        g.LogLinePosY = -FLT_MAX; // To enforce Log carriage return
+        LogRenderedTextNewLine();
 }
 
 void ImGui::EndGroup()
@@ -7593,7 +7593,7 @@ void ImGui::EndGroup()
     window->DC.CurrLineSize = group_data.BackupCurrLineSize;
     window->DC.CurrLineTextBaseOffset = group_data.BackupCurrLineTextBaseOffset;
     if (g.LogEnabled)
-        g.LogLinePosY = -FLT_MAX; // To enforce Log carriage return
+        LogRenderedTextNewLine();
 
     if (!group_data.EmitItem)
     {
@@ -9867,7 +9867,7 @@ void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char*
     if (!text_end)
         text_end = FindRenderedTextEnd(text, text_end);
 
-    const bool log_new_line = ref_pos && (ref_pos->y > g.LogLinePosY + 1);
+    const bool log_new_line = ref_pos && (ref_pos->y > g.LogLinePosY + g.Style.FramePadding.y + 1);
     if (ref_pos)
         g.LogLinePosY = ref_pos->y;
     if (log_new_line)
@@ -9895,6 +9895,9 @@ void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char*
             else
                 LogText(" %.*s", char_count, line_start);
             g.LogLineFirstItem = false;
+
+            if (*line_end == '\n')
+                LogRenderedTextNewLine();
         }
         else if (log_new_line)
         {
@@ -9909,6 +9912,13 @@ void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char*
     }
 }
 
+void ImGui::LogRenderedTextNewLine()
+{
+    // To enforce Log carriage return
+    ImGuiContext& g = *GImGui;
+    g.LogLinePosY = -FLT_MAX;
+}
+
 // Start logging/capturing text output
 void ImGui::LogBegin(ImGuiLogType type, int auto_open_depth)
 {

imgui_internal.h

@@ -2392,6 +2392,7 @@ namespace ImGui
     IMGUI_API void          RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFlags flags = ImGuiNavHighlightFlags_TypeDefault); // Navigation highlight
     IMGUI_API const char*   FindRenderedTextEnd(const char* text, const char* text_end = NULL); // Find the optional ## from which we stop displaying text.
     IMGUI_API void          LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL);
+    IMGUI_API void          LogRenderedTextNewLine();
 
     // Render helpers (those functions don't access any ImGui state!)
     IMGUI_API void          RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale = 1.0f);

imgui_widgets.cpp

@@ -692,7 +692,13 @@ bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags
     const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
     RenderNavHighlight(bb, id);
     RenderFrame(bb.Min, bb.Max, col, true, style.FrameRounding);
-    RenderTextClipped(bb.Min + style.FramePadding, bb.Max - style.FramePadding, label, NULL, &label_size, style.ButtonTextAlign, &bb);
+
+    ImRect render_text_pos = ImRect(bb.Min + style.FramePadding, bb.Max - style.FramePadding);
+    if (g.LogEnabled)
+        LogRenderedText(&render_text_pos.Min, "[");
+    RenderTextClipped(render_text_pos.Min, render_text_pos.Max ,label, NULL, &label_size, style.ButtonTextAlign, &bb);
+    if (g.LogEnabled)
+        LogRenderedText(&render_text_pos.Min, "]");
 
     // Automatically close popups
     //if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup))
@@ -1097,10 +1103,12 @@ bool ImGui::Checkbox(const char* label, bool* v)
         RenderCheckMark(window->DrawList, check_bb.Min + ImVec2(pad, pad), check_col, square_sz - pad * 2.0f);
     }
 
+
+        ImVec2 render_text_pos = ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y);
     if (g.LogEnabled)
-        LogRenderedText(&total_bb.Min, mixed_value ? "[~]" : *v ? "[x]" : "[ ]");
+        LogRenderedText(&render_text_pos, mixed_value ? "[~]" : *v ? "[x]" : "[ ]");
     if (label_size.x > 0.0f)
-        RenderText(ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y), label);
+        RenderText(render_text_pos, label);
 
     IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
     return pressed;
@@ -1198,10 +1206,11 @@ bool ImGui::RadioButton(const char* label, bool active)
         window->DrawList->AddCircle(center, radius, GetColorU32(ImGuiCol_Border), 16, style.FrameBorderSize);
     }
 
+    ImVec2 render_text_pos = ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y);
     if (g.LogEnabled)
-        LogRenderedText(&total_bb.Min, active ? "(x)" : "( )");
+        LogRenderedText(&render_text_pos, active ? "(x)" : "( )");
     if (label_size.x > 0.0f)
-        RenderText(ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y), label);
+        RenderText(render_text_pos, label);
 
     IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
     return pressed;
@@ -1385,7 +1394,11 @@ void ImGui::SeparatorEx(ImGuiSeparatorFlags flags)
             // Draw
             window->DrawList->AddLine(bb.Min, ImVec2(bb.Max.x, bb.Min.y), GetColorU32(ImGuiCol_Separator));
             if (g.LogEnabled)
+            {
                 LogRenderedText(&bb.Min, "--------------------------------");
+                LogRenderedTextNewLine(); // Separator isn't tall enough to trigger a new line automatically in LogRenderText
+            }
+
         }
         if (columns)
         {
@@ -5799,11 +5812,10 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
         if (g.LogEnabled)
         {
             // NB: '##' is normally used to hide text (as a library-wide feature), so we need to specify the text range to make sure the ## aren't stripped out here.
-            const char log_prefix[] = "\n##";
-            const char log_suffix[] = "##";
-            LogRenderedText(&text_pos, log_prefix, log_prefix + 3);
+            const char log_prefix[] = "##";
+            LogRenderedText(&text_pos, log_prefix, log_prefix + 2);
             RenderTextClipped(text_pos, frame_bb.Max, label, label_end, &label_size);
-            LogRenderedText(&text_pos, log_suffix, log_suffix + 2);
+            LogRenderedText(&text_pos, log_prefix, log_prefix + 2);
         }
         else
         {