SelectionBaseTool Struct Reference

Inheritance diagram for SelectionBaseTool:

Collaboration diagram for SelectionBaseTool:

Public Member Functions
BOOL	isRectSelect () const
void	OnDrawOverlayOnImage (HDC hdc) override
void	OnDrawOverlayOnCanvas (HDC hdc) override
void	OnButtonDown (BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick) override
BOOL	OnMouseMove (BOOL bLeftButton, LONG &x, LONG &y) override
BOOL	OnButtonUp (BOOL bLeftButton, LONG &x, LONG &y) override
void	OnEndDraw (BOOL bCancel) override
void	OnSpecialTweak (BOOL bMinus) override
Public Member Functions inherited from ToolBase
	ToolBase ()
virtual	~ToolBase ()
virtual void	OnButtonDown (BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick)
virtual BOOL	OnMouseMove (BOOL bLeftButton, LONG &x, LONG &y)
virtual BOOL	OnButtonUp (BOOL bLeftButton, LONG &x, LONG &y)
virtual void	OnDrawOverlayOnImage (HDC hdc)
virtual void	OnDrawOverlayOnCanvas (HDC hdc)
virtual void	OnSpecialTweak (BOOL bMinus)
virtual void	OnEndDraw (BOOL bCancel)
void	beginEvent ()
void	endEvent ()
void	reset ()

Public Attributes
BOOL	m_bLeftButton = FALSE
BOOL	m_bCtrlKey = FALSE
BOOL	m_bShiftKey = FALSE
BOOL	m_bDrawing = FALSE
BOOL	m_bNoDrawBack = FALSE
HITTEST	m_hitSelection = HIT_NONE
Public Attributes inherited from ToolBase
HDC	m_hdc
COLORREF	m_fg
COLORREF	m_bg

Additional Inherited Members
Static Public Member Functions inherited from ToolBase
static ToolBase *	createToolObject (TOOLTYPE type)

Detailed Description

Definition at line 373 of file mouse.cpp.

Member Function Documentation

isRectSelect()

BOOL SelectionBaseTool::isRectSelect ( ) const

inline

Definition at line 382 of file mouse.cpp.

    {
        return (toolsModel.GetActiveTool() == TOOL_RECTSEL);
    }

Referenced by OnButtonDown(), OnButtonUp(), and OnMouseMove().

OnButtonDown()

void SelectionBaseTool::OnButtonDown ( BOOL  bLeftButton, LONG  x, LONG  y, BOOL  bDoubleClick  )

inlineoverridevirtual

Reimplemented from ToolBase.

Definition at line 404 of file mouse.cpp.

    {
        m_bLeftButton = bLeftButton;
        m_bCtrlKey = (::GetKeyState(VK_CONTROL) < 0);
        m_bShiftKey = (::GetKeyState(VK_SHIFT) < 0);
        m_bDrawing = FALSE;
        m_hitSelection = HIT_NONE;
 
        POINT pt = { x, y };
        if (!m_bLeftButton) // Show context menu on Right-click
        {
            canvasWindow.ImageToCanvas(pt);
            canvasWindow.ClientToScreen(&pt);
            mainWindow.TrackPopupMenu(pt, 0);
            return;
        }
 
        POINT ptCanvas = pt;
        canvasWindow.ImageToCanvas(ptCanvas);
        HITTEST hit = selectionModel.hitTest(ptCanvas);
        if (hit != HIT_NONE) // Dragging of selection started?
        {
            if (m_bCtrlKey || m_bShiftKey)
            {
                imageModel.PushImageForUndo();
                toolsModel.OnDrawOverlayOnImage(imageModel.GetDC());
            }
            m_hitSelection = hit;
            selectionModel.m_ptHit = pt;
            selectionModel.TakeOff();
            m_bNoDrawBack |= (m_bCtrlKey || m_bShiftKey);
            imageModel.NotifyImageChanged();
            return;
        }
 
        selectionModel.Landing();
        m_bDrawing = TRUE;
 
        imageModel.Clamp(pt);
        if (isRectSelect())
        {
            selectionModel.SetRectFromPoints(g_ptStart, pt);
        }
        else
        {
            s_cPoints = 0;
            pushToPoints(pt.x, pt.y);
        }
 
        imageModel.NotifyImageChanged();
    }

OnButtonUp()

BOOL SelectionBaseTool::OnButtonUp ( BOOL  bLeftButton, LONG &  x, LONG &  y  )

inlineoverridevirtual

Reimplemented from ToolBase.

Definition at line 487 of file mouse.cpp.

    {
        POINT pt = { x, y };
        m_bDrawing = FALSE;
 
        if (!m_bLeftButton)
            return TRUE;
 
        if (m_hitSelection != HIT_NONE) // Dragging of selection ended?
        {
            if (m_bShiftKey)
                toolsModel.OnDrawOverlayOnImage(imageModel.GetDC());
 
            selectionModel.Dragging(m_hitSelection, pt);
            m_hitSelection = HIT_NONE;
            imageModel.NotifyImageChanged();
            return TRUE;
        }
 
        if (isRectSelect() && ::GetKeyState(VK_SHIFT) < 0)
            regularize(g_ptStart.x, g_ptStart.y, pt.x, pt.y);
 
        imageModel.Clamp(pt);
 
        if (isRectSelect())
        {
            selectionModel.SetRectFromPoints(g_ptStart, pt);
            selectionModel.m_bShow = !selectionModel.m_rc.IsRectEmpty();
        }
        else
        {
            if (s_cPoints > 2)
            {
                BuildMaskFromPoints();
                selectionModel.m_bShow = TRUE;
            }
            else
            {
                s_cPoints = 0;
                selectionModel.m_bShow = FALSE;
            }
        }
 
        m_bNoDrawBack = FALSE;
        imageModel.NotifyImageChanged();
        return TRUE;
    }

OnDrawOverlayOnCanvas()

void SelectionBaseTool::OnDrawOverlayOnCanvas ( HDC  hdc )

inlineoverridevirtual

Reimplemented from ToolBase.

Definition at line 398 of file mouse.cpp.

    {
        if (m_bDrawing || selectionModel.m_bShow)
            selectionModel.drawFrameOnCanvas(hdc);
    }

OnDrawOverlayOnImage()

void SelectionBaseTool::OnDrawOverlayOnImage ( HDC  hdc )

inlineoverridevirtual

Reimplemented from ToolBase.

Reimplemented in FreeSelTool, and RectSelTool.

Definition at line 387 of file mouse.cpp.

    {
        if (selectionModel.IsLanded() || !selectionModel.m_bShow)
            return;
 
        if (!m_bNoDrawBack)
            selectionModel.DrawBackground(hdc, selectionModel.m_rgbBack);
 
        selectionModel.DrawSelection(hdc, paletteModel.GetBgColor(), toolsModel.IsBackgroundTransparent());
    }

Referenced by FreeSelTool::OnDrawOverlayOnImage(), and RectSelTool::OnDrawOverlayOnImage().

OnEndDraw()

void SelectionBaseTool::OnEndDraw ( BOOL  bCancel )

inlineoverridevirtual

Reimplemented from ToolBase.

Definition at line 535 of file mouse.cpp.

    {
        if (bCancel)
            selectionModel.HideSelection();
        else
            selectionModel.Landing();
 
        m_bDrawing = FALSE;
        m_hitSelection = HIT_NONE;
        ToolBase::OnEndDraw(bCancel);
    }

OnMouseMove()

BOOL SelectionBaseTool::OnMouseMove ( BOOL  bLeftButton, LONG &  x, LONG &  y  )

inlineoverridevirtual

Reimplemented from ToolBase.

Definition at line 456 of file mouse.cpp.

    {
        POINT pt = { x, y };
 
        if (!m_bLeftButton)
            return TRUE;
 
        if (m_hitSelection != HIT_NONE) // Now dragging selection?
        {
            if (m_bShiftKey)
                toolsModel.OnDrawOverlayOnImage(imageModel.GetDC());
 
            selectionModel.Dragging(m_hitSelection, pt);
            imageModel.NotifyImageChanged();
            return TRUE;
        }
 
        if (isRectSelect() && ::GetKeyState(VK_SHIFT) < 0)
            regularize(g_ptStart.x, g_ptStart.y, pt.x, pt.y);
 
        imageModel.Clamp(pt);
 
        if (isRectSelect())
            selectionModel.SetRectFromPoints(g_ptStart, pt);
        else
            pushToPoints(pt.x, pt.y);
 
        imageModel.NotifyImageChanged();
        return TRUE;
    }

OnSpecialTweak()

void SelectionBaseTool::OnSpecialTweak ( BOOL  bMinus )

inlineoverridevirtual

Reimplemented from ToolBase.

Definition at line 547 of file mouse.cpp.

    {
        selectionModel.StretchSelection(bMinus);
    }

Member Data Documentation

m_bCtrlKey

BOOL SelectionBaseTool::m_bCtrlKey = FALSE

Definition at line 376 of file mouse.cpp.

Referenced by OnButtonDown().

m_bDrawing

BOOL SelectionBaseTool::m_bDrawing = FALSE

Definition at line 378 of file mouse.cpp.

Referenced by OnButtonDown(), OnButtonUp(), OnDrawOverlayOnCanvas(), FreeSelTool::OnDrawOverlayOnImage(), RectSelTool::OnDrawOverlayOnImage(), and OnEndDraw().

m_bLeftButton

BOOL SelectionBaseTool::m_bLeftButton = FALSE

Definition at line 375 of file mouse.cpp.

Referenced by OnButtonDown(), OnButtonUp(), and OnMouseMove().

m_bNoDrawBack

BOOL SelectionBaseTool::m_bNoDrawBack = FALSE

Definition at line 379 of file mouse.cpp.

Referenced by OnButtonDown(), OnButtonUp(), and OnDrawOverlayOnImage().

m_bShiftKey

BOOL SelectionBaseTool::m_bShiftKey = FALSE

Definition at line 377 of file mouse.cpp.

Referenced by OnButtonDown(), OnButtonUp(), and OnMouseMove().

m_hitSelection

HITTEST SelectionBaseTool::m_hitSelection = HIT_NONE

Definition at line 380 of file mouse.cpp.

Referenced by OnButtonDown(), OnButtonUp(), OnEndDraw(), and OnMouseMove().

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The documentation for this struct was generated from the following file:

• base/applications/mspaint/mouse.cpp