-/*
- * PROJECT: PAINT for ReactOS
- * LICENSE: LGPL
- * FILE: base/applications/mspaint/selection.cpp
- * PURPOSE: Window procedure of the selection window
- * PROGRAMMERS: Benedikt Freisen
- * Katayama Hirofumi MZ
- */
-
-#include "precomp.h"
-
-CSelectionWindow selectionWindow;
-
-/* FUNCTIONS ********************************************************/
-
-const LPCTSTR CSelectionWindow::m_lpszCursorLUT[9] = { /* action to mouse cursor lookup table */
- IDC_SIZEALL,
-
- IDC_SIZENWSE, IDC_SIZENS, IDC_SIZENESW,
- IDC_SIZEWE, IDC_SIZEWE,
- IDC_SIZENESW, IDC_SIZENS, IDC_SIZENWSE
-};
-
-void CSelectionWindow::ForceRefreshSelectionContents()
-{
- if (::IsWindowVisible(selectionWindow))
- {
- imageModel.ResetToPrevious();
- imageModel.DrawSelectionBackground(m_rgbBack);
- selectionModel.DrawSelection(imageModel.GetDC(), paletteModel.GetBgColor(), toolsModel.IsBackgroundTransparent());
- }
-}
-
-int CSelectionWindow::IdentifyCorner(int iXPos, int iYPos, int iWidth, int iHeight)
-{
- return 0;
-}
-
-LRESULT CSelectionWindow::OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- PAINTSTRUCT ps;
- HDC hDC = BeginPaint(&ps);
- if (!m_bMoving)
- {
- RECT rcClient;
- GetClientRect(&rcClient);
- drawSizeBoxes(hDC, &rcClient, TRUE, &ps.rcPaint);
- }
- EndPaint(&ps);
- return 0;
-}
-
-LRESULT CSelectionWindow::OnEraseBkgnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- // do nothing => transparent background
- return TRUE;
-}
-
-LRESULT CSelectionWindow::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- m_bMoving = FALSE;
- m_iAction = ACTION_MOVE;
- /* update the system selection color */
- Invalidate();
- return 0;
-}
-
-LRESULT CSelectionWindow::OnSysColorChange(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- /* update the system selection color */
- Invalidate();
- return 0;
-}
-
-LRESULT CSelectionWindow::OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- RECT rcClient;
- GetClientRect(&rcClient);
-
- POINT pt;
- ::GetCursorPos(&pt);
- ScreenToClient(&pt);
-
- if (!setCursorOnSizeBox(getSizeBoxHitTest(pt, &rcClient)))
- ::SetCursor(::LoadCursor(NULL, IDC_SIZEALL));
-
- return 0;
-}
-
-LRESULT CSelectionWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- 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;
- imageArea.InvalidateRect(NULL, FALSE);
- imageArea.SendMessage(WM_PAINT, 0, 0);
- m_rgbBack = paletteModel.GetBgColor();
- return 0;
-}
-
-LRESULT CSelectionWindow::OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- if (m_bMoving)
- {
- imageModel.ResetToPrevious();
- imageModel.DrawSelectionBackground(m_rgbBack);
- m_ptFrac.x += GET_X_LPARAM(lParam) - m_ptPos.x;
- m_ptFrac.y += GET_Y_LPARAM(lParam) - m_ptPos.y;
- m_ptDelta.x += UnZoomed(m_ptFrac.x);
- m_ptDelta.y += UnZoomed(m_ptFrac.y);
- if (toolsModel.GetZoom() < 1000)
- {
- m_ptFrac.x = 0;
- m_ptFrac.y = 0;
- }
- else
- {
- m_ptFrac.x -= Zoomed(UnZoomed(m_ptFrac.x));
- m_ptFrac.y -= Zoomed(UnZoomed(m_ptFrac.y));
- }
- 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 (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 = Zoomed(selectionModel.GetDestRectWidth()) + 2 * GRIP_SIZE;
- int h = Zoomed(selectionModel.GetDestRectHeight()) + 2 * GRIP_SIZE;
- 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;
-}
-
-LRESULT CSelectionWindow::OnMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- m_bMoved = TRUE;
- return 0;
-}
-
-LRESULT CSelectionWindow::OnLButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- if (m_bMoving)
- {
- m_bMoving = FALSE;
- ReleaseCapture();
- if (m_iAction != ACTION_MOVE && toolsModel.GetActiveTool() != TOOL_TEXT)
- {
- imageModel.Undo();
- imageModel.DrawSelectionBackground(m_rgbBack);
- selectionModel.ScaleContentsToFit();
- imageModel.CopyPrevious();
- }
- placeSelWin();
- }
- return 0;
-}
-
-LRESULT CSelectionWindow::OnCaptureChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- if (m_bMoving)
- {
- m_bMoving = FALSE;
- if (m_iAction == ACTION_MOVE)
- {
- if (toolsModel.GetActiveTool() == TOOL_RECTSEL)
- imageArea.cancelDrawing();
- else
- placeSelWin();
- }
- else
- {
- m_iAction = ACTION_MOVE;
- }
- ShowWindow(SW_HIDE);
- }
- return 0;
-}
-
-LRESULT CSelectionWindow::OnKeyDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- if (wParam == VK_ESCAPE)
- {
- if (GetCapture() == m_hWnd)
- {
- ReleaseCapture();
- }
- }
- return 0;
-}
-
-LRESULT CSelectionWindow::OnPaletteModelColorChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- return 0;
-}
-
-LRESULT CSelectionWindow::OnToolsModelSettingsChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- return 0;
-}
-
-LRESULT CSelectionWindow::OnSelectionModelRefreshNeeded(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- ForceRefreshSelectionContents();
- return 0;
-}
-
-LRESULT CSelectionWindow::OnMouseWheel(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- return ::SendMessage(GetParent(), nMsg, wParam, lParam);
-}
-
-LRESULT CSelectionWindow::OnToolsModelZoomChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
-{
- placeSelWin();
- return 0;
-}
projects / reactos.git / commitdiff