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[MSPAINT] Simplify canvas mouse message handling (#5803)

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- Unify some mouse message handlers of
  CCanvasWindow.
- Add CCanvasWindow::m_nMouseDownMsg 
  member.
CORE-19094
This commit is contained in:
Katayama Hirofumi MZ 2023-10-17 13:48:19 +09:00 committed by GitHub
parent 8f1eb03ad2
commit f49919ce5d
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 53 deletions
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54
base/applications/mspaint/canvas.cpp
View file

@ -310,10 +310,13 @@ LRESULT CCanvasWindow::OnVScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL&
return 0;
}
LRESULT CCanvasWindow::OnLRButtonDown(BOOL bLeftButton, UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
LRESULT CCanvasWindow::OnButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
m_nMouseDownMsg = nMsg;
BOOL bLeftButton = (m_nMouseDownMsg == WM_LBUTTONDOWN);
HITTEST hitSelection = SelectionHitTest(pt);
if (hitSelection != HIT_NONE)
{
@ -333,7 +336,7 @@ LRESULT CCanvasWindow::OnLRButtonDown(BOOL bLeftButton, UINT nMsg, WPARAM wParam
}
else
{
canvasWindow.ClientToScreen(&pt);
ClientToScreen(&pt);
mainWindow.TrackPopupMenu(pt, 0);
}
return 0;
@ -347,13 +350,13 @@ LRESULT CCanvasWindow::OnLRButtonDown(BOOL bLeftButton, UINT nMsg, WPARAM wParam
case TOOL_BEZIER:
case TOOL_SHAPE:
toolsModel.OnCancelDraw();
canvasWindow.Invalidate();
Invalidate();
break;
case TOOL_FREESEL:
case TOOL_RECTSEL:
toolsModel.OnFinishDraw();
canvasWindow.Invalidate();
Invalidate();
break;
default:
@ -386,40 +389,21 @@ LRESULT CCanvasWindow::OnLRButtonDown(BOOL bLeftButton, UINT nMsg, WPARAM wParam
return 0;
}
LRESULT CCanvasWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return OnLRButtonDown(TRUE, nMsg, wParam, lParam, bHandled);
}
LRESULT CCanvasWindow::OnRButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return OnLRButtonDown(FALSE, nMsg, wParam, lParam, bHandled);
}
LRESULT CCanvasWindow::OnLRButtonDblClk(BOOL bLeftButton, UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
LRESULT CCanvasWindow::OnButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
CanvasToImage(pt);
m_drawing = FALSE;
ReleaseCapture();
::ReleaseCapture();
m_nMouseDownMsg = 0;
toolsModel.OnButtonDown(bLeftButton, pt.x, pt.y, TRUE);
toolsModel.OnButtonDown(nMsg == WM_LBUTTONDBLCLK, pt.x, pt.y, TRUE);
toolsModel.resetTool();
Invalidate(FALSE);
return 0;
}
LRESULT CCanvasWindow::OnLButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return OnLRButtonDblClk(TRUE, nMsg, wParam, lParam, bHandled);
}
LRESULT CCanvasWindow::OnRButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return OnLRButtonDblClk(FALSE, nMsg, wParam, lParam, bHandled);
}
LRESULT CCanvasWindow::OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
@ -612,13 +596,16 @@ LRESULT CCanvasWindow::OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL
return 0;
}
LRESULT CCanvasWindow::OnLRButtonUp(BOOL bLeftButton, UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
LRESULT CCanvasWindow::OnButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
CanvasToImage(pt);
::ReleaseCapture();
BOOL bLeftButton = (m_nMouseDownMsg == WM_LBUTTONDOWN);
m_nMouseDownMsg = 0;
if (m_drawing)
{
m_drawing = FALSE;
@ -680,16 +667,6 @@ LRESULT CCanvasWindow::OnLRButtonUp(BOOL bLeftButton, UINT nMsg, WPARAM wParam,
return 0;
}
LRESULT CCanvasWindow::OnLButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return OnLRButtonUp(TRUE, nMsg, wParam, lParam, bHandled);
}
LRESULT CCanvasWindow::OnRButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return OnLRButtonUp(FALSE, nMsg, wParam, lParam, bHandled);
}
LRESULT CCanvasWindow::OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
if (CWaitCursor::IsWaiting())
@ -760,6 +737,7 @@ LRESULT CCanvasWindow::OnKeyDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL&
{
// Cancel dragging
::ReleaseCapture();
m_nMouseDownMsg = 0;
m_hitCanvasSizeBox = HIT_NONE;
::SetRectEmpty(&m_rcResizing);
Invalidate(TRUE);

25
base/applications/mspaint/canvas.h
View file

@ -20,13 +20,13 @@ public:
MESSAGE_HANDLER(WM_HSCROLL, OnHScroll)
MESSAGE_HANDLER(WM_VSCROLL, OnVScroll)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
MESSAGE_HANDLER(WM_RBUTTONDOWN, OnRButtonDown)
MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnLButtonDblClk)
MESSAGE_HANDLER(WM_RBUTTONDBLCLK, OnRButtonDblClk)
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnButtonDown)
MESSAGE_HANDLER(WM_RBUTTONDOWN, OnButtonDown)
MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnButtonDblClk)
MESSAGE_HANDLER(WM_RBUTTONDBLCLK, OnButtonDblClk)
MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
MESSAGE_HANDLER(WM_RBUTTONUP, OnRButtonUp)
MESSAGE_HANDLER(WM_LBUTTONUP, OnButtonUp)
MESSAGE_HANDLER(WM_RBUTTONUP, OnButtonUp)
MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
MESSAGE_HANDLER(WM_MOUSEWHEEL, OnMouseWheel)
MESSAGE_HANDLER(WM_CANCELMODE, OnCancelMode)
@ -76,14 +76,8 @@ protected:
LRESULT OnVScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnEraseBkgnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnRButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnRButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnKeyDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnRButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnMouseWheel(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnCancelMode(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
@ -91,7 +85,8 @@ protected:
LRESULT OnCtlColorEdit(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnPaletteModelColorChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLRButtonDown(BOOL bLeftButton, UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLRButtonDblClk(BOOL bLeftButton, UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnLRButtonUp(BOOL bLeftButton, UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
UINT m_nMouseDownMsg = 0;
LRESULT OnButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
};