fix: candidate ui can't be drawn correctly after GPU reset

fxliang · Nov 20, 2024 · ddff9a0 · ddff9a0
1 parent 0ef3154
commit ddff9a0
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Showing 2 changed files with 8 additions and 6 deletions.
diff --git a/WeaselUI/WeaselPanel.cpp b/WeaselUI/WeaselPanel.cpp
@@ -179,10 +179,8 @@ void WeaselPanel::_InitFontRes(bool forced) {
   // if style changed, or dpi changed, or pDWR NULL, re-initialize directwrite
   // resources
   if (forced || (pDWR == NULL) || (m_ostyle != m_style) || (dpiX != dpi)) {
-    if (pDWR)
-      pDWR->InitResources(m_style, dpiX);
-    else
-      pDWR = std::make_shared<DirectWriteResources>(m_style, dpiX);
+    pDWR.reset();
+    pDWR = std::make_shared<DirectWriteResources>(m_style, dpiX);
     pDWR->pRenderTarget->SetTextAntialiasMode(
         (D2D1_TEXT_ANTIALIAS_MODE)m_style.antialias_mode);
   }
@@ -1023,7 +1021,10 @@ void WeaselPanel::DoPaint(CDCHandle dc) {
     // draw candidates string
     if (m_candidateCount)
       drawn |= _DrawCandidates(memDC);
-    pDWR->pRenderTarget->EndDraw();
+    if (FAILED(pDWR->pRenderTarget->EndDraw())) {
+      _InitFontRes(true);
+      Refresh();
+    }
     // end texts drawing
 
     // status icon (I guess Metro IME stole my idea :)

diff --git a/include/WeaselUI.h b/include/WeaselUI.h
@@ -144,7 +144,8 @@ class DirectWriteResources {
                                   D2D1_DRAW_TEXT_OPTIONS_ENABLE_COLOR_FONT);
   }
   HRESULT CreateBrush(const D2D1_COLOR_F& color) {
-    return pRenderTarget->CreateSolidColorBrush(color, pBrush.GetAddressOf());
+    return pRenderTarget->CreateSolidColorBrush(
+        color, pBrush.ReleaseAndGetAddressOf());
   }
   void ResetLayout() { pTextLayout.Reset(); }
   void SetBrushColor(const D2D1_COLOR_F& color) { pBrush->SetColor(color); }