path: root/src/imgui_ui_properties.cpp

#if SPECIAL
#include "main.h"
#endif

static void
ImGui_Properties_RGBASwitch(project_state *State, memory *Memory, ImGuiIO io, uint32 *Channel)
{
    char *Names[5] = {"All", "R", "G", "B", "A" };
    if (ImGui::BeginListBox("RGB")) {
        for (int i = 0; i < 5; i++) {
            if (ImGui::Selectable(Names[i], (*Channel == i))) {
                *Channel = i;
            }
        }
        ImGui::EndListBox();
    }
}

static void
ImGui_Properties_Slider(project_state *State, memory *Memory, property_channel *Property, ImGuiIO &io, ImVec2 WindowMinAbs, ImVec2 WindowMaxAbs, memory_table_list Table)
{
    if (ImGui::IsItemActive()) {
        State->UpdateFrame = true;
        State->Interact_Transform = {};
        // ImGui_WarpMouse(State, io.MousePos, WindowMinAbs, WindowMaxAbs, 1);
    }

    if (ImGui::IsItemActivated()) {
        State->Interact_Offset[0] = Property->CurrentValue;
        State->Interact_Active = interact_type_slider_scrub;
    }
    if (ImGui::IsItemDeactivatedAfterEdit()) {
        // Pressing Esc while dragging a slider conveniently stops the input in
        // ImGui, so all we need to do is set it back:
        if (ImGui::IsKeyPressed(ImGuiKey_Escape)) {
            Property->CurrentValue = State->Interact_Offset[0];
        } else if (!Property->Keyframe_Count) {
            History_Entry_Commit(Memory, "Property interact");
            real32 Temp = Property->CurrentValue;
            Property->CurrentValue = State->Interact_Offset[0];
            History_Action_Swap(Memory, Table, sizeof(Property->CurrentValue), &Property->CurrentValue);
            Property->CurrentValue = Temp;
            History_Entry_End(Memory);
        }
        State->Interact_Active = interact_type_none;
        // State->UpdateFrame = true;
        // State->Warp_X = 0;
        // State->Warp_Y = 0;
    }
}


static void
ImGui_Properties_CurvesUI(project_state *State, memory *Memory, ImGuiIO io, block_effect *Effect, property_channel *PropertyStart, uint16 *SortedPointStart)
{

    real32 Padding = ImGui::GetFontSize()*6;
    ImVec2 ViewportMin = ImGui::GetCursorScreenPos() + ImVec2(Padding/6,Padding/6);
    ImVec2 ViewportScale = ImGui::GetContentRegionAvail();
    ViewportScale.y = ViewportScale.x = ViewportScale.x - Padding;  // square seems nice
    ImVec2 ViewportMax = ViewportMin + ViewportScale;

    ImDrawList* draw_list = ImGui::GetWindowDrawList();
    draw_list->AddRectFilled(ViewportMin, ViewportMax, IM_COL32(50, 50, 50, 255));
    draw_list->AddRect(ViewportMin, ViewportMax, IM_COL32(255, 255, 255, 255));

    real32 PointSize = 40;

    ImU32 col = ImGui::GetColorU32(ImGuiCol_Text);
    ImU32 col_light = ImGui::GetColorU32(ImGuiCol_TextDisabled);

    ImVec2 Point_ScreenPos[4];

    // ocd?
    draw_list->PushClipRect(ViewportMin + 2, ViewportMax - 2, true);

    for (real32 i = 0.25; i < 1.0; i += 0.25) {
        ImVec2 Horizontal = ViewportMin + ViewportScale * ImVec2(0, i);
        ImVec2 Vertical = ViewportMin + ViewportScale * ImVec2(i, 0);
        draw_list->AddLine(Horizontal, Horizontal + ImVec2(ViewportScale.x, 0), col_light, 1.0f);
        draw_list->AddLine(Vertical, Vertical + ImVec2(0, ViewportScale.y), col_light, 1.0f);
    }

    draw_list->PopClipRect();

    uint32 *SelectedChannel = (uint32 *)&Effect->ExtraData[5];
    real32 *Num = &Effect->ExtraData[*SelectedChannel];

    v2 Pos = {};
    bool32 AddPoint = 0;

    for (uint32 i = 0; i < *(uint32 *)Num; i += 1) {

        v2 Point_P1 = Effect_V2(Memory, Effect, SortedPointStart[i]);
        v2 Point_P2 = Effect_V2(Memory, Effect, SortedPointStart[i + 1]);
        v2 Point_P0 = (i != 0) ? Effect_V2(Memory, Effect, SortedPointStart[i - 1]) : V2(0, 0);
        v2 Point_P3 = (i != (*Num - 2)) ? Effect_V2(Memory, Effect, SortedPointStart[i + 2]) : V2(1, 1);

        ImVec2 Point_P0_ScreenPos = ViewportMin + (ImVec2(Point_P0.x, 1.0f - Point_P0.y) * ViewportScale);
        ImVec2 Point_P1_ScreenPos = ViewportMin + (ImVec2(Point_P1.x, 1.0f - Point_P1.y) * ViewportScale);
        ImVec2 Point_P2_ScreenPos = ViewportMin + (ImVec2(Point_P2.x, 1.0f - Point_P2.y) * ViewportScale);
        ImVec2 Point_P3_ScreenPos = ViewportMin + (ImVec2(Point_P3.x, 1.0f - Point_P3.y) * ViewportScale);

        ImGui::PushID(&PropertyStart[SortedPointStart[i]]);

        draw_list->AddNgon(Point_P1_ScreenPos, 2, col, 8, 5.0f);

        ImGui::SetCursorScreenPos(Point_P1_ScreenPos - ImVec2(PointSize/2, PointSize/2));
        ImGui::InvisibleButton("##point", ImVec2(PointSize, PointSize), ImGuiButtonFlags_MouseButtonLeft);

        if (ImGui::IsItemHovered()) {
            ImGui::SetMouseCursor(ImGuiMouseCursor_Hand);
        }

        if (ImGui::IsItemActivated()) {
            if (io.KeyCtrl && *Num != 2) {
                History_Entry_Commit(Memory, "Curves delete point");
                property_channel *Property_X = Effect_Property(Memory, Effect, SortedPointStart[i]);
                History_Action_Swap(Memory, F_Properties, sizeof(Property_X->Identifier), &Property_X->Identifier);
                Property_X->Identifier = -1;
                property_channel *Property_Y = Effect_Property(Memory, Effect, SortedPointStart[i]+1);
                History_Action_Swap(Memory, F_Properties, sizeof(Property_Y->Identifier), &Property_Y->Identifier);
                Property_Y->Identifier = -1;
                History_Action_Swap(Memory, F_Effects, sizeof(Effect->ExtraData[*SelectedChannel]), &Effect->ExtraData[*SelectedChannel]);
                Effect->ExtraData[*SelectedChannel]--;
                History_Entry_End(Memory);
            }
        }

        if (ImGui::IsItemActive()) {
            if (io.MouseDelta.x || io.MouseDelta.y) {
                property_channel *Property_X = Effect_Property(Memory, Effect, SortedPointStart[i]);
                property_channel *Property_Y = Effect_Property(Memory, Effect, SortedPointStart[i]+1);
                v2 Point = V2(((io.MousePos - ViewportMin) / ViewportScale));
                if (State->Interact_Active == interact_type_none) {
                    State->Interact_Active = interact_type_slider_scrub;
                    State->Interact_Offset[0] = Property_X->CurrentValue;
                    State->Interact_Offset[1] = Property_Y->CurrentValue;
                }
                Point.y = 1.0f - Point.y;
                Point.x = Normalize(Point.x);
                Point.y = Normalize(Point.y);
                Property_X->CurrentValue = Point.x;
                Property_Y->CurrentValue = Point.y;
                State->UpdateFrame = true;
            }
        }

        if (ImGui::IsItemDeactivated()) {
            if (State->Interact_Active == interact_type_slider_scrub) {
                History_Entry_Commit(Memory, "Curves change point pos");
                property_channel *Property[2] = { Effect_Property(Memory, Effect, SortedPointStart[i]),
                                                  Effect_Property(Memory, Effect, SortedPointStart[i]+1) };
                for (int a = 0; a < 2; a++)
                {
                    real32 Temp = Property[a]->CurrentValue;
                    Property[a]->CurrentValue = State->Interact_Offset[a];
                    History_Action_Swap(Memory, F_Properties, sizeof(Property[a]->CurrentValue), &Property[a]->CurrentValue);
                    Property[a]->CurrentValue = Temp;
                }
                History_Entry_End(Memory);
                State->Interact_Active = interact_type_none;
            }
        }

        if (i == (*Num - 1)) {
            ImGui::PopID();
            break;
        }

        // Conversion from Catmull-Rom curves to Bezier curves for display,
        // referencing https://pomax.github.io/bezierinfo/#catmullconv

        ImVec2 bez_m1 = (Point_P2_ScreenPos - Point_P0_ScreenPos) / (6 * Tau);
        ImVec2 bez_m2 = (Point_P3_ScreenPos - Point_P1_ScreenPos) / (6 * Tau);

        ImVec2 Point_Bez[4];
        Point_Bez[0] = Point_P1_ScreenPos;
        Point_Bez[1] = Point_P1_ScreenPos + bez_m1;
        Point_Bez[2] = Point_P2_ScreenPos - bez_m2;
        Point_Bez[3] = Point_P2_ScreenPos;

        draw_list->PushClipRect(ViewportMin, ViewportMax, true);

        draw_list->AddBezierCubic(Point_Bez[0], Point_Bez[1], Point_Bez[2], Point_Bez[3], col, 1.0f, 0);

        if (ImGui::BezierInteractive(Point_Bez[0], Point_Bez[1], Point_Bez[2], Point_Bez[3]) &&
            io.MousePos.x > (Point_P1_ScreenPos.x + PointSize/2) &&
            io.MousePos.x < (Point_P2_ScreenPos.x - PointSize/2))
        {
            ImGui::SetCursorScreenPos(io.MousePos - ImVec2(5,5));
            ImGui::Button("pointclick", ImVec2(10, 10));
            if (ImGui::IsItemActivated()) {
                Pos = V2(((io.MousePos - ViewportMin) / ViewportScale));
                Pos.y = 1.0f - Pos.y;
                Pos.x = Normalize(Pos.x);
                Pos.y = Normalize(Pos.y);
                AddPoint = true;
            }
        }

        if (i == 0)
            draw_list->AddLine(ImVec2(ViewportMin.x, Point_Bez[0].y), Point_Bez[0], col, 1.0f);
        if (i == (*Num - 2))
            draw_list->AddLine(ImVec2(ViewportMax.x, Point_Bez[3].y), Point_Bez[3], col, 1.0f);

        draw_list->PopClipRect();

#if 0
        for (int x = 0; x < 256; x++) {
            v2 Point = V2((real32)x/256, LUT[*ChannelIndex][x]);
            ImVec2 Point_ScreenPos = ViewportMin + (ImVec2(Point.x, 1.0f - Point.y) * ViewportScale);
            draw_list->AddNgon(Point_ScreenPos, 1, col, 8, 5.0f);
        }
#endif

        draw_list->AddNgon(Point_P1_ScreenPos, 2, col, 8, 5.0f);


        ImGui::PopID();
    }


    if (AddPoint) {
        int x = 0;
        History_Entry_Commit(Memory, "Curves add point");
        for (;;) {
            if (x > MAX_PROPERTIES_PER_EFFECT)
                break;
            property_channel *Property_X = Effect_Property(Memory, Effect, x);
            if (Property_X->Identifier == -1) {
                History_Action_Swap(Memory, F_Properties, sizeof(Property_X->CurrentValue), &Property_X->CurrentValue);
                Property_X->CurrentValue = Pos.x;
                History_Action_Swap(Memory, F_Properties, sizeof(Property_X->Identifier), &Property_X->Identifier);
                Property_X->Identifier = *SelectedChannel;
                property_channel *Property_Y = Effect_Property(Memory, Effect, x+1);
                Assert(Property_Y->Identifier == -1);
                History_Action_Swap(Memory, F_Properties, sizeof(Property_Y->CurrentValue), &Property_Y->CurrentValue);
                Property_Y->CurrentValue = Pos.y;
                History_Action_Swap(Memory, F_Properties, sizeof(Property_Y->Identifier), &Property_Y->Identifier);
                Property_Y->Identifier = *SelectedChannel;
                x = MAX_PROPERTIES_PER_EFFECT;
            }
            x++;
        }
        History_Action_Swap(Memory, F_Effects, sizeof(Effect->ExtraData[*SelectedChannel]), &Effect->ExtraData[*SelectedChannel]);
        Effect->ExtraData[*SelectedChannel]++;
        AddPoint = false;
        History_Entry_End(Memory);
    }

    // ImVec2 ButtonPos = ImGui::GetCursorScreenPos();
    ImGui::SetCursorScreenPos(ViewportMin);

    ImGui::InvisibleButton("canvas", ViewportScale, ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight);
    bool32 IsHovered = ImGui::IsItemHovered();
    bool32 IsActive = ImGui::IsItemActive();
    bool32 IsActivated = ImGui::IsItemActivated();
    bool32 IsDeactivated = ImGui::IsItemDeactivated();

    ImVec2 EndPos = ImGui::GetCursorScreenPos();

    ImGui::SetCursorScreenPos(ViewportMin + ImVec2(ViewportScale.x + 20, 0));
    ImGui_Properties_RGBASwitch(State, Memory, io, SelectedChannel);

    ImGui::SetCursorScreenPos(EndPos);
}

static void
ImGui_PropertiesPanel(project_data *File, project_state *State, ui *UI, memory *Memory, ImGuiIO io,
                      sorted_comp_array *SortedCompArray, sorted_layer_array *SortedLayerArray,
                      sorted_property_array *SortedPropertyStart, uint16 *SortedKeyframeArray)
{
    bool32 Display = 1;
    block_layer *Layer = NULL;
    sorted_layer_array *SortedLayer = NULL;
    if (State->MostRecentlySelectedLayer > -1) {
        Layer = (block_layer *)Memory_Block_AddressAtIndex(Memory, F_Layers, State->MostRecentlySelectedLayer, 0);
        sorted_comp_array SortedCompStart = SortedCompArray[Layer->Block_Composition_Index];
        sorted_layer_array *SortedLayerStart = Sorted_GetLayerStart(SortedLayerArray, SortedCompArray, Layer->Block_Composition_Index);
        SortedLayer = &SortedLayerStart[State->MostRecentlySelectedLayer];
        if (!Layer->Occupied)
            Display = 0;
    } else {
        Display = 0;
    }
    if (Display) {
        block_string *String = (block_string *)Memory_Block_AddressAtIndex(Memory, F_Strings, Layer->Block_String_Index);
        char buf[256];
        sprintf(buf, "Properties: %s###Properties", String->Char);
        ImGui::Begin(buf);
        if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows))
            State->FocusedWindow = focus_properties;
        ImVec2 WindowSize = ImGui::GetWindowSize();
        ImVec2 WindowMinAbs = ImGui::GetWindowPos();
        ImVec2 WindowMaxAbs = WindowMinAbs + WindowSize;
        ImGui::Text("Transform");

        sorted_property_array *InfoLocation = SortedPropertyStart + SortedLayer->SortedPropertyStart;
        uint16 *ArrayLocation = SortedKeyframeArray + SortedLayer->SortedKeyframeStart;
        int h = 0, c = 0, p = 0;
        property_channel *Property = NULL;
        block_effect *Effect = NULL;
        int MainProperties = AmountOf(Layer->Property);
        // don't display time offset for shape layers
        if (Layer->IsShapeLayer) {
            MainProperties -= 1;
        }
        while (Layer_LoopChannels(State, Memory, &InfoLocation, &ArrayLocation, Layer, &Property, &Effect, &h, &c, &p, MainProperties))
        {
            ImGui::PushID(Property);
            if ((h - 1) < MainProperties && c == 0) {
                if (ImGui::Button("K")) {
                    Property_AddKeyframe_AllSelected(File, State, Memory, F_Layers, SortedLayerArray, SortedCompArray, SortedKeyframeArray, h - 1, State->Frame_Current);
                }
                ImGui::SameLine();
#if DEBUG
                char size[64];
                sprintf(size, "%s, %i", DefaultChannel[h-1], Property->Keyframe_Count);
                char *Name = size;
#else
                char *Name = DefaultChannel[h-1];
#endif
                ImGui::DragScalar(Name, ImGuiDataType_Float, &Property->CurrentValue, Property->ScrubVal, &Property->MinVal, &Property->MaxVal, "%f");
                ImGui_Properties_Slider(State, Memory, Property, io, WindowMinAbs, WindowMaxAbs, F_Layers);
            } else {
                Assert(Effect);
                header_effect *EffectHeader = Effect_EntryFromID(State, Effect->ID);
                header_property ChannelHeader = State->Property[EffectHeader->PropertyStartIndex + c - 1];
#if DEBUG
                char size[64];
                sprintf(size, "%s, %i", ChannelHeader.Name, Property->Keyframe_Count);
                char *Name = size;
#else
                char *Name = ChannelHeader.Name;
#endif
                if ((c - 1) == 0) {
                    uint16 EffectIdx = Layer->Block_Effect_Index[h - AmountOf(Layer->Property)];
                    ImGui::PushID(h);
#if DEBUG
                    ImGui::Text("%s, %i", EffectHeader->Name, EffectIdx);
#else
                    ImGui::Text(EffectHeader->Name);
#endif
                    char T_VisibleIcon[4] = "o -";
                    char F_VisibleIcon[4] = "- -";
                    char *Icon = (Effect->IsToggled) ? T_VisibleIcon : F_VisibleIcon;

                    if (ImGui::Button(Icon)) {
                        History_Entry_Commit(Memory, "Toggle visibility");
                        History_Action_Swap(Memory, F_Effects, sizeof(Effect->IsToggled), &Effect->IsToggled);
                        Effect->IsToggled ^= 1;
                        History_Entry_End(Memory);
                        State->UpdateFrame = true;
                    }

                    ImGui::SameLine();
                    if (ImGui::Button("/\\")) {
                        if (EffectIdx != 0) {
                        }
                    }
                    ImGui::SameLine();
                    if (ImGui::Button("\\/")) {
                    }

                    ImGui::PopID();
                }
                if (EffectHeader->DisplayType == effect_display_type_standard) {
                    if (ChannelHeader.DisplayType == property_display_type_standard) {
                        if (ImGui::Button("K")) {
                            Property_AddKeyframe(Memory, F_Properties, ArrayLocation, Property, State->Frame_Current - Layer->Frame_Offset);
                        }
                        ImGui::SameLine();
                        ImGui::DragScalar(Name, ImGuiDataType_Float, &Property->CurrentValue, Property->ScrubVal, &Property->MinVal, &Property->MaxVal, "%f");
                        ImGui_Properties_Slider(State, Memory, Property, io, WindowMinAbs, WindowMaxAbs, F_Properties);
                    } else if (ChannelHeader.DisplayType == property_display_type_color) {
                        if (ImGui::Button("K")) {
                            Property_AddKeyframe(Memory, F_Properties, ArrayLocation, Property, State->Frame_Current - Layer->Frame_Offset);
                        }
                        ImGui::SameLine();
                        ImGui::DragScalar(Name, ImGuiDataType_Float, &Property->CurrentValue, Property->ScrubVal, &Property->MinVal, &Property->MaxVal, "%f");
                        ImGui_Properties_Slider(State, Memory, Property, io, WindowMinAbs, WindowMaxAbs, F_Properties);
                        // if (c == 3) {
                        //     ImGui::ColorEdit4("col", Col, ImGuiColorEditFlags_Float);
                        // }
                    } else {
                        Assert(0);
                    }
                } else if (EffectHeader->DisplayType == effect_display_type_curves) {
#if DEBUG
                    ImGui::Text("Points (RGBA): %.02f, Points (indiv): %.02f, %.02f, %.02f, %.02f", Effect->ExtraData[0],
                                Effect->ExtraData[1],  Effect->ExtraData[2], Effect->ExtraData[3], Effect->ExtraData[4]);
#endif
                    if (Property->Identifier == -1) {
                        Effect_Curves_Init(Effect, Property);
                    }
                    uint16 SortedPointStart[MAX_PROPERTIES_PER_EFFECT/5];
                    uint32 VisibleChannel = *(uint32 *)&Effect->ExtraData[5];
                    Effect_Curves_Sort(Memory, Effect, SortedPointStart, VisibleChannel);
                    ImGui_Properties_CurvesUI(State, Memory, io, Effect, Property, SortedPointStart);
                    c = EffectHeader->Property_Count; // Causes this loop to only iterate once.
                } else if (EffectHeader->DisplayType == effect_display_type_levels) {
                    ImGui::Text("Levels");
                    uint32 VisibleChannel = *(uint32 *)&Effect->ExtraData[0];
                    real32 *P_Left = 0, *P_Mid = 0, *P_Right = 0;
                    if (VisibleChannel == 0) {
                        property_channel *Property0 = (property_channel *)Memory_Block_AddressAtIndex(Memory, F_Properties, Effect->Block_Property_Index[0]);
                        property_channel *Property1 = (property_channel *)Memory_Block_AddressAtIndex(Memory, F_Properties, Effect->Block_Property_Index[1]);
                        property_channel *Property2 = (property_channel *)Memory_Block_AddressAtIndex(Memory, F_Properties, Effect->Block_Property_Index[2]);
                        P_Left =  &Property0->CurrentValue;
                        P_Mid =   &Property1->CurrentValue;
                        P_Right = &Property2->CurrentValue;
                    } else {
                        property_channel *Property0 = (property_channel *)Memory_Block_AddressAtIndex(Memory, F_Properties, Effect->Block_Property_Index[3+(VisibleChannel-1)]);
                        property_channel *Property1 = (property_channel *)Memory_Block_AddressAtIndex(Memory, F_Properties, Effect->Block_Property_Index[7+(VisibleChannel-1)]);
                        property_channel *Property2 = (property_channel *)Memory_Block_AddressAtIndex(Memory, F_Properties, Effect->Block_Property_Index[11+(VisibleChannel-1)]);
                        P_Left =  &Property0->CurrentValue;
                        P_Mid =   &Property1->CurrentValue;
                        P_Right = &Property2->CurrentValue;
                    }
                    ImGui::SliderLevels("1", "2,", "3", (void *)P_Mid, (void *)P_Left, (void *)P_Right);
                    if (ImGui::IsItemActive()) {
                        State->UpdateFrame = true;
                    }
                    ImGui_Properties_RGBASwitch(State, Memory, io, (uint32 *)&Effect->ExtraData[0]);
                    c = EffectHeader->Property_Count;
                } else {
                    Assert(0);
                }
            }
            ImGui::PopID();
        }
        if (Layer->IsPrecomp) {
            block_composition *Comp = (block_composition *)Memory_Block_AddressAtIndex(Memory, F_Precomps, Layer->Block_Source_Index);
            ImGui::DragScalar("Width", ImGuiDataType_U16, &Comp->Width);
            if (ImGui::IsItemActive()) {
                State->Interact_Transform = {};
                State->UpdateFrame = true;
            }
            ImGui::DragScalar("Height", ImGuiDataType_U16, &Comp->Height);
            if (ImGui::IsItemActive()) {
                State->Interact_Transform = {};
                State->UpdateFrame = true;
            }
        }
        if (Layer->IsShapeLayer) {
            shape_layer *Shape = &Layer->Shape;
            shape_options *Opt = &Layer->ShapeOpt;
            // TODO(fox): Combine with RGBA function?
            ImGui::DragScalar("Shape width", ImGuiDataType_Float, &Shape->Width);
            if (ImGui::IsItemActive()) {
                Memory->PurgeCache = true;
                State->UpdateFrame = true;
            }
            ImGui::DragScalar("Shape height ", ImGuiDataType_Float, &Shape->Height);
            if (ImGui::IsItemActive()) {
                Memory->PurgeCache = true;
                State->UpdateFrame = true;
            }
            char *Names[3] = { "Fill and stroke", "Fill only", "Stroke only" };
            if (ImGui::BeginListBox("Shape render type")) {
                for (int i = 0; i < 3; i++) {
                    if (ImGui::Selectable(Names[i], (Opt->Visibility == i))) {
                        Opt->Visibility = i;
                        Memory->PurgeCache = true;
                        State->UpdateFrame = true;
                    }
                }
                ImGui::EndListBox();
            }
            char *Names2[3] = { "Butt", "Round", "Square" };
            nvg_line_cap CapVals[3] = { NVG_BUTT, NVG_ROUND, NVG_SQUARE };
            if (ImGui::BeginListBox("Path cap type")) {
                for (int i = 0; i < 2; i++) {
                    if (ImGui::Selectable(Names2[i], (Opt->LineCapType == CapVals[i]))) {
                        Opt->LineCapType = CapVals[i];
                        Memory->PurgeCache = true;
                        State->UpdateFrame = true;
                    }
                }
                ImGui::EndListBox();
            }
            char *Names3[3] = { "Miter", "Round", "Bevel" };
            nvg_line_cap JoinVals[3] = { NVG_MITER, NVG_ROUND, NVG_BEVEL };
            if (ImGui::BeginListBox("Path join type")) {
                for (int i = 0; i < 2; i++) {
                    if (ImGui::Selectable(Names3[i], (Opt->LineJoinType == JoinVals[i]))) {
                        Opt->LineJoinType = JoinVals[i];
                        Memory->PurgeCache = true;
                        State->UpdateFrame = true;
                    }
                }
                ImGui::EndListBox();
            }
            ImGui::ColorEdit4("Fill color", (real32 *)&Opt->FillCol, ImGuiColorEditFlags_Float);
            if (ImGui::IsItemActive()) {
                Memory->PurgeCache = true;
                State->UpdateFrame = true;
            }
            ImGui::ColorEdit4("Stroke color", (real32 *)&Opt->StrokeCol, ImGuiColorEditFlags_Float);
            if (ImGui::IsItemActive()) {
                Memory->PurgeCache = true;
                State->UpdateFrame = true;
            }
            real32 StrokeWidthMin = 0;
            real32 StrokeWidthMax = 1024;
            ImGui::DragScalar("Stroke width", ImGuiDataType_Float, &Opt->StrokeWidth, 1, &StrokeWidthMin, &StrokeWidthMax, "%.3f");
            if (ImGui::IsItemActive()) {
                Memory->PurgeCache = true;
                State->UpdateFrame = true;
            }
            real32 RoundnessMin = 0;
            real32 RoundnessMax = 1024;
            ImGui::DragScalar("Roundness", ImGuiDataType_Float, &Opt->Roundness, 1, &RoundnessMin, &RoundnessMax, "%.3f");
            if (ImGui::IsItemActive()) {
                Memory->PurgeCache = true;
                State->UpdateFrame = true;
            }
            // State->UpdateFrame = true;
        }
        ImGui::End();
    } else {
        ImGui::Begin("Properties: empty###Properties");
        if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows))
            State->FocusedWindow = focus_properties;
        ImGui::End();
    }
}