#include <selection.h>

Inheritance diagram for CSelectionWindow:

Collaboration diagram for CSelectionWindow:

[legend]

Public Member Functions
LRESULT	OnPaint (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnEraseBkgnd (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnCreate (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnSysColorChange (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnSetCursor (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnLButtonDown (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnMouseMove (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnLButtonUp (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnPaletteModelColorChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnToolsModelSettingsChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnSelectionModelRefreshNeeded (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnCaptureChanged (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

LRESULT	OnKeyDown (UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)

Private Member Functions
int	IdentifyCorner (int iXPos, int iYPos, int iWidth, int iHeight)

Private Attributes
BOOL	m_bMoving

int	m_iAction

POINT	m_ptPos

POINT	m_ptFrac

POINT	m_ptDelta

DWORD	m_dwSystemSelectionColor

Static Private Attributes
static const LPCTSTR	m_lpszCursorLUT [9]

Detailed Description

Definition at line 12 of file selection.h.

Member Function Documentation

◆ IdentifyCorner()

int CSelectionWindow::IdentifyCorner	(	int	iXPos,
		int	iYPos,
		int	iWidth,
		int	iHeight
	)

private

Definition at line 66 of file selection.cpp.

 {
     if (iYPos < 3)
     {
         if (iXPos < 3)
             return ACTION_RESIZE_TOP_LEFT;
         if ((iXPos < iWidth / 2 + 2) && (iXPos >= iWidth / 2 - 1))
             return ACTION_RESIZE_TOP;
         if (iXPos >= iWidth - 3)
             return ACTION_RESIZE_TOP_RIGHT;
     }
     if ((iYPos < iHeight / 2 + 2) && (iYPos >= iHeight / 2 - 1))
     {
         if (iXPos < 3)
             return ACTION_RESIZE_LEFT;
         if (iXPos >= iWidth - 3)
             return ACTION_RESIZE_RIGHT;
     }
     if (iYPos >= iHeight - 3)
     {
         if (iXPos < 3)
             return ACTION_RESIZE_BOTTOM_LEFT;
         if ((iXPos < iWidth / 2 + 2) && (iXPos >= iWidth / 2 - 1))
             return ACTION_RESIZE_BOTTOM;
         if (iXPos >= iWidth - 3)
             return ACTION_RESIZE_BOTTOM_RIGHT;
     }
     return 0;
 }

Referenced by OnMouseMove().

◆ OnCaptureChanged()

LRESULT CSelectionWindow::OnCaptureChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 236 of file selection.cpp.

 {
     if (m_bMoving)
     {
         m_bMoving = FALSE;
         if (m_iAction == ACTION_MOVE)
         {
             // FIXME: dirty hack
             placeSelWin();
             imageModel.Undo();
             imageModel.Undo();
         }
         else
         {
             m_iAction = ACTION_MOVE;
         }
         ShowWindow(SW_HIDE);
     }
     return 0;
 }

◆ OnCreate()

LRESULT CSelectionWindow::OnCreate	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 116 of file selection.cpp.

 {
     m_bMoving = FALSE;
     m_iAction = ACTION_MOVE;
     /* update the system selection color */
     m_dwSystemSelectionColor = GetSysColor(COLOR_HIGHLIGHT);
     SendMessage(WM_PAINT, 0, MAKELPARAM(0, 0));
     return 0;
 }

◆ OnEraseBkgnd()

LRESULT CSelectionWindow::OnEraseBkgnd	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 110 of file selection.cpp.

 {
     // do nothing => transparent background
     return 0;
 }

◆ OnKeyDown()

LRESULT CSelectionWindow::OnKeyDown	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 257 of file selection.cpp.

 {
     if (wParam == VK_ESCAPE)
     {
         if (GetCapture() == m_hWnd)
         {
             ReleaseCapture();
         }
     }
     return 0;
 }

◆ OnLButtonDown()

LRESULT CSelectionWindow::OnLButtonDown	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 140 of file selection.cpp.

 {
     m_ptPos.x = GET_X_LPARAM(lParam);
     m_ptPos.y = GET_Y_LPARAM(lParam);
     m_ptDelta.x = 0;
     m_ptDelta.y = 0;
     SetCapture();
     if (m_iAction != ACTION_MOVE)
         SetCursor(LoadCursor(NULL, m_lpszCursorLUT[m_iAction]));
     m_bMoving = TRUE;
     scrlClientWindow.InvalidateRect(NULL, TRUE);
     scrlClientWindow.SendMessage(WM_PAINT, 0, 0);
     imageArea.InvalidateRect(NULL, FALSE);
     imageArea.SendMessage(WM_PAINT, 0, 0);
     return 0;
 }

◆ OnLButtonUp()

LRESULT CSelectionWindow::OnLButtonUp	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 212 of file selection.cpp.

 {
     if (m_bMoving)
     {
         m_bMoving = FALSE;
         ReleaseCapture();
         if (m_iAction != ACTION_MOVE)
         {
             if (toolsModel.GetActiveTool() == TOOL_TEXT)
             {
                 // FIXME: What to do?
             }
             else
             {
                 selectionModel.ScaleContentsToFit();
             }
         }
         placeSelWin();
         ShowWindow(SW_HIDE);
         ShowWindow(SW_SHOW);
     }
     return 0;
 }

◆ OnMouseMove()

LRESULT CSelectionWindow::OnMouseMove	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 157 of file selection.cpp.

 {
     if (m_bMoving)
     {
         imageModel.ResetToPrevious();
         m_ptFrac.x += GET_X_LPARAM(lParam) - m_ptPos.x;
         m_ptFrac.y += GET_Y_LPARAM(lParam) - m_ptPos.y;
         m_ptDelta.x += m_ptFrac.x * 1000 / toolsModel.GetZoom();
         m_ptDelta.y += m_ptFrac.y * 1000 / toolsModel.GetZoom();
         if (toolsModel.GetZoom() < 1000)
         {
             m_ptFrac.x = 0;
             m_ptFrac.y = 0;
         }
         else
         {
             m_ptFrac.x -= (m_ptFrac.x * 1000 / toolsModel.GetZoom()) * toolsModel.GetZoom() / 1000;
             m_ptFrac.y -= (m_ptFrac.y * 1000 / toolsModel.GetZoom()) * toolsModel.GetZoom() / 1000;
         }
         selectionModel.ModifyDestRect(m_ptDelta, m_iAction);
 
         CString strSize;
         strSize.Format(_T("%ld x %ld"), selectionModel.GetDestRectWidth(), selectionModel.GetDestRectHeight());
         SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) (LPCTSTR) strSize);
 
         if (toolsModel.GetActiveTool() == TOOL_TEXT)
         {
             selectionModel.DrawTextToolText(imageModel.GetDC(), paletteModel.GetFgColor(), paletteModel.GetBgColor(), toolsModel.IsBackgroundTransparent());
         }
         else
         {
             if (m_iAction != ACTION_MOVE)
                 selectionModel.DrawSelectionStretched(imageModel.GetDC());
             else
                 selectionModel.DrawSelection(imageModel.GetDC(), paletteModel.GetBgColor(), toolsModel.IsBackgroundTransparent());
         }
         imageArea.InvalidateRect(NULL, FALSE);
         imageArea.SendMessage(WM_PAINT, 0, 0);
         m_ptPos.x = GET_X_LPARAM(lParam);
         m_ptPos.y = GET_Y_LPARAM(lParam);
     }
     else
     {
         int w = selectionModel.GetDestRectWidth() * toolsModel.GetZoom() / 1000 + 6;
         int h = selectionModel.GetDestRectHeight() * toolsModel.GetZoom() / 1000 + 6;
         m_ptPos.x = GET_X_LPARAM(lParam);
         m_ptPos.y = GET_Y_LPARAM(lParam);
         SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) NULL);
         m_iAction = IdentifyCorner(m_ptPos.x, m_ptPos.y, w, h);
         if (m_iAction != ACTION_MOVE)
             SetCursor(LoadCursor(NULL, m_lpszCursorLUT[m_iAction]));
     }
     return 0;
 }

◆ OnPaint()

LRESULT CSelectionWindow::OnPaint	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 96 of file selection.cpp.

 {
     if (!m_bMoving)
     {
         HDC hDC = GetDC();
         DefWindowProc(WM_PAINT, wParam, lParam);
         SelectionFrame(hDC, 1, 1, selectionModel.GetDestRectWidth() * toolsModel.GetZoom() / 1000 + 5,
                        selectionModel.GetDestRectHeight() * toolsModel.GetZoom() / 1000 + 5,
                        m_dwSystemSelectionColor);
         ReleaseDC(hDC);
     }
     return 0;
 }

◆ OnPaletteModelColorChanged()

LRESULT CSelectionWindow::OnPaletteModelColorChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 269 of file selection.cpp.

 {
     if (toolsModel.GetActiveTool() == TOOL_TEXT)
         ForceRefreshSelectionContents();
     return 0;
 }

◆ OnSelectionModelRefreshNeeded()

LRESULT CSelectionWindow::OnSelectionModelRefreshNeeded	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 285 of file selection.cpp.

 {
     ForceRefreshSelectionContents();
     return 0;
 }

◆ OnSetCursor()

LRESULT CSelectionWindow::OnSetCursor	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 134 of file selection.cpp.

 {
     SetCursor(LoadCursor(NULL, IDC_SIZEALL));
     return 0;
 }

◆ OnSysColorChange()

LRESULT CSelectionWindow::OnSysColorChange	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 126 of file selection.cpp.

 {
     /* update the system selection color */
     m_dwSystemSelectionColor = GetSysColor(COLOR_HIGHLIGHT);
     SendMessage(WM_PAINT, 0, MAKELPARAM(0, 0));
     return 0;
 }

◆ OnToolsModelSettingsChanged()

LRESULT CSelectionWindow::OnToolsModelSettingsChanged	(	UINT	nMsg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL &	bHandled
	)

Definition at line 276 of file selection.cpp.

 {
     if (toolsModel.GetActiveTool() == TOOL_FREESEL ||
         toolsModel.GetActiveTool() == TOOL_RECTSEL ||
         toolsModel.GetActiveTool() == TOOL_TEXT)
         ForceRefreshSelectionContents();
     return 0;
 }

Member Data Documentation

◆ m_bMoving

BOOL CSelectionWindow::m_bMoving

private

Definition at line 49 of file selection.h.

Referenced by OnCaptureChanged(), OnCreate(), OnLButtonDown(), OnLButtonUp(), OnMouseMove(), and OnPaint().

◆ m_dwSystemSelectionColor

DWORD CSelectionWindow::m_dwSystemSelectionColor

private

Definition at line 54 of file selection.h.

Referenced by OnCreate(), OnPaint(), and OnSysColorChange().

◆ m_iAction

int CSelectionWindow::m_iAction

private

Definition at line 50 of file selection.h.

Referenced by OnCaptureChanged(), OnCreate(), OnLButtonDown(), OnLButtonUp(), and OnMouseMove().

◆ m_lpszCursorLUT

const LPCTSTR CSelectionWindow::m_lpszCursorLUT

staticprivate

Initial value:

= { 
    IDC_SIZEALL,
    IDC_SIZENWSE, IDC_SIZENS, IDC_SIZENESW,
    IDC_SIZEWE,               IDC_SIZEWE,
    IDC_SIZENESW, IDC_SIZENS, IDC_SIZENWSE
}

Definition at line 48 of file selection.h.

Referenced by OnLButtonDown(), and OnMouseMove().

◆ m_ptDelta

POINT CSelectionWindow::m_ptDelta

private

Definition at line 53 of file selection.h.

Referenced by OnLButtonDown(), and OnMouseMove().

◆ m_ptFrac

POINT CSelectionWindow::m_ptFrac

private

Definition at line 52 of file selection.h.

Referenced by OnMouseMove().

◆ m_ptPos

POINT CSelectionWindow::m_ptPos

private

Definition at line 51 of file selection.h.

Referenced by OnLButtonDown(), and OnMouseMove().

The documentation for this class was generated from the following files:

base/applications/mspaint/selection.h
base/applications/mspaint/selection.cpp

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Function Documentation

◆ IdentifyCorner()

◆ OnCaptureChanged()

◆ OnCreate()

◆ OnEraseBkgnd()

◆ OnKeyDown()

◆ OnLButtonDown()

◆ OnLButtonUp()

◆ OnMouseMove()

◆ OnPaint()

◆ OnPaletteModelColorChanged()

◆ OnSelectionModelRefreshNeeded()

◆ OnSetCursor()

◆ OnSysColorChange()

◆ OnToolsModelSettingsChanged()

Member Data Documentation

◆ m_bMoving

◆ m_dwSystemSelectionColor

◆ m_iAction

◆ m_lpszCursorLUT

◆ m_ptDelta

◆ m_ptFrac

◆ m_ptPos