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[MSPAINT] Scrolled canvas has defects in dragging a selection

Browse source 
CORE-18990, CORE-18867
This commit is contained in:
Katayama Hirofumi MZ 2023-06-13 14:57:59 +09:00
parent 62b6859a67
commit cb245ff711
2 changed files with 13 additions and 13 deletions
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18
base/applications/mspaint/canvas.cpp
View file

@ -258,7 +258,7 @@ LRESULT CCanvasWindow::OnLRButtonDown(BOOL bLeftButton, UINT nMsg, WPARAM wParam
{
if (bLeftButton)
{
UnZoomed(pt);
CanvasToImage(pt);
StartSelectionDrag(hitSelection, pt);
}
return 0;
@ -741,7 +741,7 @@ VOID CCanvasWindow::finishDrawing()
Invalidate(FALSE);
}
CANVAS_HITTEST CCanvasWindow::SelectionHitTest(POINT ptZoomed)
CANVAS_HITTEST CCanvasWindow::SelectionHitTest(POINT ptImage)
{
if (!selectionModel.m_bShow)
return HIT_NONE;
@ -751,28 +751,28 @@ CANVAS_HITTEST CCanvasWindow::SelectionHitTest(POINT ptZoomed)
::OffsetRect(&rcSelection, GRIP_SIZE - GetScrollPos(SB_HORZ), GRIP_SIZE - GetScrollPos(SB_VERT));
::InflateRect(&rcSelection, GRIP_SIZE, GRIP_SIZE);
return getSizeBoxHitTest(ptZoomed, &rcSelection);
return getSizeBoxHitTest(ptImage, &rcSelection);
}
VOID CCanvasWindow::StartSelectionDrag(CANVAS_HITTEST hit, POINT ptUnZoomed)
VOID CCanvasWindow::StartSelectionDrag(CANVAS_HITTEST hit, POINT ptImage)
{
m_hitSelection = hit;
selectionModel.m_ptHit = ptUnZoomed;
selectionModel.m_ptHit = ptImage;
selectionModel.TakeOff();
SetCapture();
Invalidate(FALSE);
}
VOID CCanvasWindow::SelectionDragging(POINT ptUnZoomed)
VOID CCanvasWindow::SelectionDragging(POINT ptImage)
{
selectionModel.Dragging(m_hitSelection, ptUnZoomed);
selectionModel.Dragging(m_hitSelection, ptImage);
Invalidate(FALSE);
}
VOID CCanvasWindow::EndSelectionDrag(POINT ptUnZoomed)
VOID CCanvasWindow::EndSelectionDrag(POINT ptImage)
{
selectionModel.Dragging(m_hitSelection, ptUnZoomed);
selectionModel.Dragging(m_hitSelection, ptImage);
m_hitSelection = HIT_NONE;
Invalidate(FALSE);
}

8
base/applications/mspaint/canvas.h
View file

@ -61,10 +61,10 @@ protected:
VOID OnHVScroll(WPARAM wParam, INT fnBar);
VOID drawZoomFrame(INT mouseX, INT mouseY);
CANVAS_HITTEST SelectionHitTest(POINT ptZoomed);
VOID StartSelectionDrag(CANVAS_HITTEST hit, POINT ptUnZoomed);
VOID SelectionDragging(POINT ptUnZoomed);
VOID EndSelectionDrag(POINT ptUnZoomed);
CANVAS_HITTEST SelectionHitTest(POINT ptImage);
VOID StartSelectionDrag(CANVAS_HITTEST hit, POINT ptImage);
VOID SelectionDragging(POINT ptImage);
VOID EndSelectionDrag(POINT ptImage);
LRESULT OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnHScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);