From c19acda62d2a973825a362ac8846fef77d1596d7 Mon Sep 17 00:00:00 2001
From: Bruno <bruno.herbelin@gmail.com>
Date: Sun, 18 Apr 2021 21:02:23 +0200
Subject: [PATCH] Added Snapshot Replace

---
 ActionManager.cpp        | 39 +++++++++++++++++++++++++++++++++++++++
 ActionManager.h          |  2 ++
 ImGuiToolkit.cpp         |  4 ++--
 UserInterfaceManager.cpp | 20 +++++++++++++++++---
 4 files changed, 60 insertions(+), 5 deletions(-)

diff --git a/ActionManager.cpp b/ActionManager.cpp
index f083a81..94127c9 100644
--- a/ActionManager.cpp
+++ b/ActionManager.cpp
@@ -177,6 +177,40 @@ void Action::snapshot(const std::string &label)
 #endif
 }
 
+void Action::replace(uint64_t snapshotid)
+{
+    // ignore if locked or if no label is given
+    if (locked_)
+        return;
+
+    // get snapshot node of target in current session
+    Session *se = Mixer::manager().session();
+    XMLElement *sessionNode = se->snapshots()->xmlDoc_->FirstChildElement( SNAPSHOT_NODE(snapshotid) );
+
+    if (sessionNode) {
+        std::string l = sessionNode->Attribute("label");
+
+        se->snapshots()->xmlDoc_->DeleteChild( sessionNode );
+
+        // create snapshot node
+        sessionNode = se->snapshots()->xmlDoc_->NewElement( SNAPSHOT_NODE(snapshotid) );
+        se->snapshots()->xmlDoc_->InsertEndChild(sessionNode);
+
+        // label describes the snapshot
+        sessionNode->SetAttribute("label", l.c_str());
+
+        // save all sources using source visitor
+        SessionVisitor sv(se->snapshots()->xmlDoc_, sessionNode);
+        for (auto iter = se->begin(); iter != se->end(); ++iter, sv.setRoot(sessionNode) )
+            (*iter)->accept(sv);
+
+        // debug
+#ifdef ACTION_DEBUG
+        Log::Info("Snapshot replaced %d '%s'", id, label.c_str());
+#endif
+    }
+}
+
 
 std::list<uint64_t> Action::snapshots() const
 {
@@ -241,3 +275,8 @@ void Action::restore(uint64_t snapshotid)
     store("Snapshot " + label(snapshotid));
 }
 
+
+void Action::interpolate(uint64_t snapshotid, float val)
+{
+
+}
diff --git a/ActionManager.h b/ActionManager.h
index e936735..12bfded 100644
--- a/ActionManager.h
+++ b/ActionManager.h
@@ -39,7 +39,9 @@ public:
     void snapshot(const std::string &label);
 
     std::list<uint64_t> snapshots() const;
+    void replace(uint64_t snapshotid);
     void restore(uint64_t snapshotid);
+    void interpolate(uint64_t snapshotid, float val);
     void remove (uint64_t snapshotid);
 
     std::string label(uint64_t snapshotid) const;
diff --git a/ImGuiToolkit.cpp b/ImGuiToolkit.cpp
index 58be2dd..b21e35e 100644
--- a/ImGuiToolkit.cpp
+++ b/ImGuiToolkit.cpp
@@ -1211,11 +1211,11 @@ static int InputTextCallback(ImGuiInputTextCallbackData* data)
 
 bool ImGuiToolkit::InputText(const char* label, std::string* str)
 {
-    ImGuiInputTextFlags flags = ImGuiInputTextFlags_CallbackResize;
+    ImGuiInputTextFlags flags = ImGuiInputTextFlags_CallbackResize | ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_CharsNoBlank;
     InputTextCallback_UserData cb_user_data;
     cb_user_data.Str = str;
 
-    return ImGui::InputText(label, (char*)str->c_str(), str->capacity() + 1,  flags, InputTextCallback, &cb_user_data);
+    return ImGui::InputText(label, (char*)str->c_str(), str->capacity() + 1, flags, InputTextCallback, &cb_user_data);
 }
 
 bool ImGuiToolkit::InputTextMultiline(const char* label, std::string* str, const ImVec2& size, int linesize)
diff --git a/UserInterfaceManager.cpp b/UserInterfaceManager.cpp
index f527ff9..34b5ed0 100644
--- a/UserInterfaceManager.cpp
+++ b/UserInterfaceManager.cpp
@@ -3153,8 +3153,8 @@ void Navigator::RenderMainPannelVimix()
                 current_snapshot = *snapit;
                 if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)) {
                     // trigger snapshot
-//                    current_snapshot = snapshots.end();
                     Action::manager().restore(current_snapshot);
+                    current_snapshot = 0;
                 }
             }
             // context menu
@@ -3173,11 +3173,13 @@ void Navigator::RenderMainPannelVimix()
                 current_snapshot = 0;
             }
             if (ImGui::Selectable( ICON_FA_STAR "_    Remove", false, 0, size )) {
-
-
                 Action::manager().remove(current_snapshot);
                 current_snapshot = 0;
             }
+            if (ImGui::Selectable( ICON_FA_STAR "=    Replace", false, 0, size )) {
+                Action::manager().replace(current_snapshot);
+                current_snapshot = 0;
+            }
             ImGui::TextDisabled("Rename");
             ImGui::SetNextItemWidth(size.x);
             if ( current_snapshot > 0 ) {
@@ -3196,7 +3198,11 @@ void Navigator::RenderMainPannelVimix()
         ImGui::SetCursorPos( ImVec2( pannel_width_ IMGUI_RIGHT_ALIGN, pos_top.y ));
         if ( ImGuiToolkit::IconButton( ICON_FA_STAR "+")) {
             Action::manager().snapshot( SystemToolkit::date_time_string() );
+            current_snapshot = 0;
         }
+        if (ImGui::IsItemHovered())
+            ImGuiToolkit::ToolTip("Take Snapshot ", CTRL_MOD "Y");
+
 //        // active list element : delete snapshot button
 //        ImGui::SetCursorPos( ImVec2( pannel_width_ IMGUI_RIGHT_ALIGN, pos_bot.y - ImGui::GetFrameHeightWithSpacing()));
 //        if (current_snapshot != snapshots.end()) {
@@ -3209,6 +3215,14 @@ void Navigator::RenderMainPannelVimix()
 //        else
 //            ImGui::TextDisabled( ICON_FA_STAR "_" );
 
+        if (current_snapshot > 0) {
+            ImGui::SetCursorPos( pos_bot );
+            static float interpolation = 0.f;
+            ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
+            if ( ImGui::SliderFloat("Animate", &interpolation, 0.f, 1.f) ) {
+
+            }
+        }
     }