1 files changed, 9 insertions, 0 deletions
diff --git a/src/imgui_ui_timeline.cpp b/src/imgui_ui_timeline.cpp
index aa4d0cd..964f7c5 100644
--- a/src/imgui_ui_timeline.cpp
+++ b/src/imgui_ui_timeline.cpp
@@ -653,12 +653,21 @@ ImGui_Timeline_DrawPrecomp(project_data *File, project_state *State, memory *Mem
                         ImVec2 ColSize(Size, Size);
                         if (ImGui::Button("##test", ColSize)) {
                             int h = 0, z = 0, i = 0;
+                            bool32 Commit = false;
                             while (Block_Loop(Memory, F_Layers, File->Layer_Count, &h, &z, &i)) {
                                 block_layer *Layer = (block_layer *)Memory_Block_AddressAtIndex(Memory, F_Layers, i);
                                 if (Layer->IsSelected & 0x01) {
+                                    if (!Commit) {
+                                        History_Entry_Commit(Memory, "Change layer colors");
+                                        Commit = true;
+                                    }
+                                    History_Action_Swap(Memory, F_Layers, sizeof(Layer->ColIndex), &Layer->ColIndex);
                                     Layer->ColIndex = c;
                                 }
                             }
+                            if (Commit) {
+                                History_Entry_End(Memory);
+                            }
                         }
                         if ((c+1) % 4) { ImGui::SameLine(); }
                         ImGui::PopStyleColor();