Merge pull request #11 from crupest/listitem

Add ListItem.

1 files changed, 68 insertions, 11 deletions

diff --git a/src/ui/window.cpp b/src/ui/window.cpp
index 2737b70b..f8e6d4f3 100644
--- a/src/ui/window.cpp
+++ b/src/ui/window.cpp
@@ -98,6 +98,15 @@ namespace cru::ui
         );
     }
 
+    inline POINT DipToPi(const Point& dip_point)
+    {
+        POINT result;
+        result.x = graph::DipToPixelX(dip_point.x);
+        result.y = graph::DipToPixelY(dip_point.y);
+        return result;
+    }
+
+
     namespace
     {
         Cursor::Ptr GetCursorInherit(Control* control)
@@ -275,6 +284,41 @@ namespace cru::ui
         }
     }
 
+    void Window::SetWindowPosition(const Point& position)
+    {
+        if (IsWindowValid()) {
+            SetWindowPos(
+                hwnd_, nullptr,
+                graph::DipToPixelX(position.x),
+                graph::DipToPixelY(position.y),
+                0, 0,
+                SWP_NOZORDER | SWP_NOSIZE
+            );
+        }
+    }
+
+    Point Window::PointToScreen(const Point& point)
+    {
+        if (!IsWindowValid())
+            return Point::Zero();
+
+        auto p = DipToPi(point);
+        if (::ClientToScreen(GetWindowHandle(), &p) == 0)
+            throw Win32Error(::GetLastError(), "Failed transform point from window to screen.");
+        return PiToDip(p);
+    }
+
+    Point Window::PointFromScreen(const Point& point)
+    {
+        if (!IsWindowValid())
+            return Point::Zero();
+
+        auto p = DipToPi(point);
+        if (::ScreenToClient(GetWindowHandle(), &p) == 0)
+            throw Win32Error(::GetLastError(), "Failed transform point from screen to window.");
+        return PiToDip(p);
+    }
+
     bool Window::HandleWindowMessage(HWND hwnd, int msg, WPARAM w_param, LPARAM l_param, LRESULT & result) {
 
         if (!native_message_event.IsNoHandler())
@@ -429,10 +473,32 @@ namespace cru::ui
 
     }
 
+    void Window::WindowInvalidateLayout()
+    {
+        if (is_layout_invalid_)
+            return;
+
+        is_layout_invalid_ = true;
+        InvokeLater([this]
+        {
+            if (is_layout_invalid_)
+                Relayout();
+        });
+    }
+
     void Window::Relayout()
     {
-        OnMeasureCore(GetSize());
+        Measure(GetSize());
         OnLayoutCore(Rect(Point::Zero(), GetSize()));
+        is_layout_invalid_ = false;
+    }
+
+    void Window::SetSizeFitContent(const Size& max_size)
+    {
+        Measure(max_size);
+        SetClientSize(GetDesiredSize());
+        OnLayoutCore(Rect(Point::Zero(), GetSize()));
+        is_layout_invalid_ = false;
     }
 
     void Window::RefreshControlList() {
@@ -557,15 +623,6 @@ namespace cru::ui
         }
     }
 
-    Size Window::OnMeasureContent(const Size& available_size)
-    {
-        for (auto control: GetChildren())
-        {
-            control->Measure(available_size);
-        }
-        return available_size;
-    }
-
     void Window::OnDestroyInternal() {
         WindowManager::GetInstance()->UnregisterWindow(hwnd_);
         hwnd_ = nullptr;
@@ -597,7 +654,7 @@ namespace cru::ui
     void Window::OnResizeInternal(const int new_width, const int new_height) {
         render_target_->ResizeBuffer(new_width, new_height);
         if (!(new_width == 0 && new_height == 0))
-            InvalidateLayout();
+            WindowInvalidateLayout();
     }
 
     void Window::OnSetFocusInternal()