ImGuiTextFilter: default parameter width=0.0f for no override, allow override with negative values

imgui.cpp

@@ -1283,10 +1283,10 @@ ImGuiTextFilter::ImGuiTextFilter(const char* default_filter)
 
 void ImGuiTextFilter::Draw(const char* label, float width)
 {
-    if (width > 0.0f)
+    if (width != 0.0f)
         ImGui::PushItemWidth(width);
     ImGui::InputText(label, InputBuf, IM_ARRAYSIZE(InputBuf));
-    if (width > 0.0f)
+    if (width != 0.0f)
         ImGui::PopItemWidth();
     Build();
 }

imgui.h

@@ -850,7 +850,7 @@ struct ImGuiTextFilter
 
     ImGuiTextFilter(const char* default_filter = "");
     void Clear() { InputBuf[0] = 0; Build(); }
-    void Draw(const char* label = "Filter (inc,-exc)", float width = -1.0f);    // Helper calling InputText+Build
+    void Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f);    // Helper calling InputText+Build
     bool PassFilter(const char* text, const char* text_end = NULL) const;
     bool IsActive() const { return !Filters.empty(); }
     IMGUI_API void Build();

imgui_demo.cpp

@@ -1979,7 +1979,7 @@ struct ExampleAppLog
         ImGui::SameLine();
         bool copy = ImGui::Button("Copy");
         ImGui::SameLine();
-        Filter.Draw();
+        Filter.Draw("Filter", -100.0f);
         ImGui::Separator();
         ImGui::BeginChild("scrolling");
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0,0));