FIX: handle mouseCaptureLost in common ctrls

Change-Id: Ifde2406911a628fa61acf41c0e7a5120612d73bf

src/slic3r/GUI/Widgets/Button.cpp

@@ -7,6 +7,7 @@ BEGIN_EVENT_TABLE(Button, StaticBox)
 
 EVT_LEFT_DOWN(Button::mouseDown)
 EVT_LEFT_UP(Button::mouseReleased)
+EVT_MOUSE_CAPTURE_LOST(Button::mouseCaptureLost)
 EVT_KEY_DOWN(Button::keyDownUp)
 EVT_KEY_UP(Button::keyDownUp)
 
@@ -242,12 +243,19 @@ void Button::mouseReleased(wxMouseEvent& event)
     event.Skip();
     if (pressedDown) {
         pressedDown = false;
-        ReleaseMouse();
+        if (HasCapture())
+            ReleaseMouse();
         if (wxRect({0, 0}, GetSize()).Contains(event.GetPosition()))
             sendButtonEvent();
     }
 }
 
+void Button::mouseCaptureLost(wxMouseCaptureLostEvent &event)
+{
+    wxMouseEvent evt;
+    mouseReleased(evt);
+}
+
 void Button::keyDownUp(wxKeyEvent &event)
 {
     if (event.GetKeyCode() == WXK_SPACE || event.GetKeyCode() == WXK_RETURN) {

src/slic3r/GUI/Widgets/Button.hpp

@@ -67,6 +67,7 @@ private:
     // some useful events
     void mouseDown(wxMouseEvent& event);
     void mouseReleased(wxMouseEvent& event);
+    void mouseCaptureLost(wxMouseCaptureLostEvent &event);
     void keyDownUp(wxKeyEvent &event);
 
     void sendButtonEvent();

src/slic3r/GUI/Widgets/DropDown.cpp

@@ -9,6 +9,7 @@ BEGIN_EVENT_TABLE(DropDown, wxPopupTransientWindow)
 
 EVT_LEFT_DOWN(DropDown::mouseDown)
 EVT_LEFT_UP(DropDown::mouseReleased)
+EVT_MOUSE_CAPTURE_LOST(DropDown::mouseCaptureLost)
 EVT_MOTION(DropDown::mouseMove)
 EVT_MOUSEWHEEL(DropDown::mouseWheelMoved)
 
@@ -377,6 +378,7 @@ void DropDown::mouseDown(wxMouseEvent& event)
     // force calc hover item again
     mouseMove(event);
     pressedDown = true;
+    CaptureMouse();
     dragStart   = event.GetPosition();
 }
 
@@ -385,6 +387,8 @@ void DropDown::mouseReleased(wxMouseEvent& event)
     if (pressedDown) {
         dragStart = wxPoint();
         pressedDown = false;
+        if (HasCapture())
+            ReleaseMouse();
         if (hover_item >= 0) { // not moved
             sendDropDownEvent();
             DismissAndNotify();
@@ -392,6 +396,12 @@ void DropDown::mouseReleased(wxMouseEvent& event)
     }
 }
 
+void DropDown::mouseCaptureLost(wxMouseCaptureLostEvent &event)
+{
+    wxMouseEvent evt;
+    mouseReleased(evt);
+}
+
 void DropDown::mouseMove(wxMouseEvent &event)
 {
     wxPoint pt  = event.GetPosition();

src/slic3r/GUI/Widgets/DropDown.hpp

@@ -98,6 +98,7 @@ private:
     // some useful events
     void mouseDown(wxMouseEvent& event);
     void mouseReleased(wxMouseEvent &event);
+    void mouseCaptureLost(wxMouseCaptureLostEvent &event);
     void mouseMove(wxMouseEvent &event);
     void mouseWheelMoved(wxMouseEvent &event);
 

src/slic3r/GUI/Widgets/StepCtrl.cpp

@@ -8,6 +8,7 @@ BEGIN_EVENT_TABLE(StepCtrl, StepCtrlBase)
 EVT_LEFT_DOWN(StepCtrl::mouseDown)
 EVT_MOTION(StepCtrl::mouseMove)
 EVT_LEFT_UP(StepCtrl::mouseUp)
+EVT_MOUSE_CAPTURE_LOST(StepCtrl::mouseCaptureLost)
 END_EVENT_TABLE()
 
 StepCtrlBase::StepCtrlBase(wxWindow *      parent,
@@ -133,6 +134,7 @@ void StepCtrl::mouseDown(wxMouseEvent &event)
     if (rcThumb.Contains(pt)) {
         pos_thumb   = wxPoint{circleX, size.y / 2};
         drag_offset = pos_thumb - pt;
+        CaptureMouse();
     } else if (rcBar.Contains(pt)) {
         if (pt.x < circleX) {
             if (step > 0) SelectItem(step - 1);
@@ -151,6 +153,10 @@ void StepCtrl::mouseMove(wxMouseEvent &event)
     wxSize size      = GetSize();
     int    itemWidth = size.x / steps.size();
     int    index     = pos_thumb.x / itemWidth;
+    if (index < 0)
+        index = 0;
+    else if (index >= steps.size())
+        index = steps.size() - 1;
     if (index != pos_thumb.y) {
         pos_thumb.y = index;
         Refresh();
@@ -163,8 +169,20 @@ void StepCtrl::mouseUp(wxMouseEvent &event)
     wxSize size      = GetSize();
     int    itemWidth = size.x / steps.size();
     int    index     = pos_thumb.x / itemWidth;
-    pos_thumb        = {0, 0};
+    if (index < 0)
-    SelectItem(index < steps.size() ? index : steps.size() - 1);
+        index = 0;
+    else if (index >= steps.size())
+        index = steps.size() - 1;
+    pos_thumb = {0, 0};
+    SelectItem(index);
+    if (HasCapture())
+        ReleaseMouse();
+}
+
+void StepCtrl::mouseCaptureLost(wxMouseCaptureLostEvent &event)
+{
+    wxMouseEvent evt;
+    mouseUp(evt);
 }
 
 void StepCtrl::doRender(wxDC &dc)

src/slic3r/GUI/Widgets/StepCtrl.hpp

@@ -77,6 +77,7 @@ private:
     void mouseDown(wxMouseEvent &event);
     void mouseMove(wxMouseEvent &event);
     void mouseUp(wxMouseEvent &event);
+    void mouseCaptureLost(wxMouseCaptureLostEvent &event);
 
     void doRender(wxDC &dc) override;