ColorEdit4: Fix not forwarding ImGuiColorEditFlags_AlphaBar flag to ColorPicker4 (#346)

imgui.cpp

@@ -9258,7 +9258,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
                 Separator();
             }
             float square_sz = ColorSquareSize();
-            ImGuiColorEditFlags picker_flags = (flags & (ImGuiColorEditFlags_NoAlpha|ImGuiColorEditFlags_Float)) | (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX) | ImGuiColorEditFlags_NoLabel;
+            ImGuiColorEditFlags picker_flags = (flags & (ImGuiColorEditFlags_NoAlpha|ImGuiColorEditFlags_AlphaBar|ImGuiColorEditFlags_Float)) | (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX) | ImGuiColorEditFlags_NoLabel;
             PushItemWidth(square_sz * 12.0f);
             value_changed |= ColorPicker4("##picker", col, picker_flags);
             PopItemWidth();

imgui_demo.cpp

@@ -1768,7 +1768,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
             if (!filter.PassFilter(name))
                 continue;
             ImGui::PushID(i);
-            ImGui::ColorEdit4(name, (float*)&style.Colors[i], color_edit_flags | ImGuiColorEditFlags_NoOptions);
+            ImGui::ColorEdit4(name, (float*)&style.Colors[i], color_edit_flags | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_AlphaBar);
             if (memcmp(&style.Colors[i], (ref ? &ref->Colors[i] : &default_style.Colors[i]), sizeof(ImVec4)) != 0)
             {
                 ImGui::SameLine(); if (ImGui::Button("Revert")) style.Colors[i] = ref ? ref->Colors[i] : default_style.Colors[i];