dimonly fix

res/CMakeLists.txt

@@ -268,6 +268,8 @@ add_resources(
     icons/graphics-window/trim.png
     icons/graphics-window/vert.png
     icons/text-window/constraint.png
+    icons/text-window/constraint-dimo.png
+    icons/text-window/constraint-wo.png
     icons/text-window/construction.png
     icons/text-window/edges.png
     icons/text-window/faces.png

src/drawconstraint.cpp

@@ -449,7 +449,23 @@ void Constraint::DoArcForAngle(Canvas *canvas, Canvas::hStroke hcs,
 }
 
 bool Constraint::IsVisible() const {
-    if(!SS.GW.showConstraints) return false;
+ if(SS.GW.showConstraints == GraphicsWindow::ShowConstraintMode::SCM_NOSHOW ) return false;    
+    bool isDim = false;
+
+    if(SS.GW.showConstraints == GraphicsWindow::ShowConstraintMode::SCM_SHOW_DIM )
+        switch (type){
+        case ConstraintBase::Type::ANGLE:
+        case ConstraintBase::Type::DIAMETER:
+        case ConstraintBase::Type::PT_PT_DISTANCE:
+        case ConstraintBase::Type::PT_FACE_DISTANCE:
+        case ConstraintBase::Type::PT_LINE_DISTANCE:
+        case ConstraintBase::Type::PT_PLANE_DISTANCE:
+            isDim = true;
+            break;
+        default:;
+        }
+
+    if(SS.GW.showConstraints == GraphicsWindow::ShowConstraintMode::SCM_SHOW_ALL || isDim ) {
         Group *g = SK.GetGroup(group);
         // If the group is hidden, then the constraints are hidden and not
         // able to be selected.
@@ -465,6 +481,8 @@ bool Constraint::IsVisible() const {
         }
         return true;
     }
+    return false;
+}
 
 bool Constraint::DoLineExtend(Canvas *canvas, Canvas::hStroke hcs,
                               Vector p0, Vector p1, Vector pt, double salient) {

src/export.cpp

@@ -227,7 +227,7 @@ void SolveSpaceUI::ExportViewOrWireframeTo(const Platform::Path &filename, bool
         }
     }
 
-    if(SS.GW.showConstraints) {
+    if(SS.GW.showConstraints != GraphicsWindow::ShowConstraintMode::SCM_NOSHOW ) {
         if(!out->OutputConstraints(&SK.constraint)) {
             GetEdgesCanvas canvas = {};
             canvas.camera = SS.GW.GetCamera();

src/graphicswin.cpp

@@ -409,7 +409,7 @@ void GraphicsWindow::Init() {
     showNormals = true;
     showPoints = true;
     showConstruction = true;
-    showConstraints = true;
+    showConstraints = GraphicsWindow::ShowConstraintMode::SCM_SHOW_ALL;
     showShaded = true;
     showEdges = true;
     showMesh = false;

src/solvespace.cpp

@@ -719,7 +719,7 @@ void SolveSpaceUI::MenuFile(Command id) {
 
             // If the user is exporting something where it would be
             // inappropriate to include the constraints, then warn.
-            if(SS.GW.showConstraints &&
+            if(SS.GW.showConstraints != GraphicsWindow::ShowConstraintMode::SCM_NOSHOW &&
                 (dialog->GetFilename().HasExtension("txt") ||
                  fabs(SS.exportOffset) > LENGTH_EPS))
             {

src/textscreens.cpp

@@ -194,8 +194,7 @@ void TextWindow::ScreenHoverRequest(int link, uint32_t v) {
     SS.GW.hover.emphasized = true;
 }
 void TextWindow::ScreenHoverConstraint(int link, uint32_t v) {
-    if(!SS.GW.showConstraints) return;
-
+    if( SS.GW.showConstraints == GraphicsWindow::ShowConstraintMode::SCM_NOSHOW ) return;
     hConstraint hc = { v };
     SS.GW.hover.Clear();
     SS.GW.hover.constraint = hc;

src/textwin.cpp

@@ -82,6 +82,62 @@ public:
         }
     }
 };
+#include <array>
+class TriStateButton : public Button {
+public:
+    TriStateButton(GraphicsWindow::ShowConstraintMode*variable,
+                   const std::array<GraphicsWindow::ShowConstraintMode,3> &states,
+                   const std::array<std::string,3> &tooltips,
+                   const std::array<std::string,3> &iconNames  ):variable(variable),states(states),tooltips(tooltips),iconNames(iconNames){}
+
+    GraphicsWindow::ShowConstraintMode* variable;
+    std::array<GraphicsWindow::ShowConstraintMode,3> states;
+    std::array<std::string,3> tooltips;
+    std::array<std::string,3> iconNames;
+    std::shared_ptr<Pixmap> icons[3];
+
+    std::string Tooltip() override {
+        for (size_t k = 0; k < 3; ++k )
+            if ( *variable == states[k] ) return tooltips[k];
+        ssassert(false, "Unexpected mode");
+    }
+
+    void Draw(UiCanvas *uiCanvas, int x, int y, bool asHovered) override {
+        for (size_t k = 0; k < 3;++k)
+            if(icons[k] == nullptr)
+                icons[k] = LoadPng("icons/text-window/" + iconNames[k] + ".png");
+
+        std::shared_ptr<Pixmap> icon;
+        for (size_t k = 0; k < 3; ++k )
+            if ( *variable == states[k] ){
+                icon = icons[k];
+                break;
+            }
+
+        uiCanvas->DrawPixmap(icon, x, y - 24);
+        if(asHovered) {
+            uiCanvas->DrawRect(x - 2, x + 26, y + 2, y - 26,
+                               /*fillColor=*/{ 255, 255, 0, 75 },
+                               /*outlineColor=*/{});
+        }
+    }
+
+
+    int AdvanceWidth() override { return 32; }
+
+    void Click() override {
+        for (size_t k = 0;k < 3;++k)
+            if ( *variable == states[k] ){
+                *variable = states[(k+1)%3];
+                break;
+            }
+
+        SS.GenerateAll();
+        SS.GW.Invalidate();
+        SS.ScheduleShowTW();
+    }
+};
+
 
 class OccludedLinesButton : public Button {
 public:
@@ -163,8 +219,15 @@ static ShowHideButton pointsButton =
     { &(SS.GW.showPoints),       "point",         "points"                          };
 static ShowHideButton constructionButton =
     { &(SS.GW.showConstruction), "construction",  "construction entities"           };
-static ShowHideButton constraintsButton =
-    { &(SS.GW.showConstraints),  "constraint",    "constraints and dimensions"      };
+static TriStateButton constraintsButton =
+    { &(SS.GW.showConstraints),
+      {GraphicsWindow::ShowConstraintMode::SCM_SHOW_ALL,
+       GraphicsWindow::ShowConstraintMode::SCM_SHOW_DIM,
+       GraphicsWindow::ShowConstraintMode::SCM_NOSHOW},
+      {"constraints and dimensions","dimensions","none"},
+      {"constraint","constraint-dimo","constraint-wo"}
+    };
+
 static FacesButton facesButton;
 static ShowHideButton shadedButton =
     { &(SS.GW.showShaded),       "shaded",        "shaded view of solid model"      };

src/ui.h

@@ -801,12 +801,14 @@ public:
     bool ToolbarMouseDown(int x, int y);
     Command toolbarHovered;
 
+    enum    class ShowConstraintMode{SCM_NOSHOW,SCM_SHOW_ALL,SCM_SHOW_DIM};
+
     // This sets what gets displayed.
     bool    showWorkplanes;
     bool    showNormals;
     bool    showPoints;
     bool    showConstruction;
-    bool    showConstraints;
+    ShowConstraintMode    showConstraints;
     bool    showTextWindow;
     bool    showShaded;
     bool    showEdges;