mirror of
https://github.com/reactos/reactos.git
synced 2024-06-30 18:01:07 +00:00
1007a2e0f9
This fixes unexpected undo action when zooming out with right mouse click. The call sequence in OnLButtonUp is already correct. CORE-14539
416 lines
14 KiB
C++
416 lines
14 KiB
C++
/*
|
|
* PROJECT: PAINT for ReactOS
|
|
* LICENSE: LGPL
|
|
* FILE: base/applications/mspaint/imgarea.cpp
|
|
* PURPOSE: Window procedure of the main window and all children apart from
|
|
* hPalWin, hToolSettings and hSelection
|
|
* PROGRAMMERS: Benedikt Freisen
|
|
* Katayama Hirofumi MZ
|
|
*/
|
|
|
|
/* INCLUDES *********************************************************/
|
|
|
|
#include "precomp.h"
|
|
|
|
#include "dialogs.h"
|
|
|
|
/* FUNCTIONS ********************************************************/
|
|
|
|
void
|
|
updateCanvasAndScrollbars()
|
|
{
|
|
selectionWindow.ShowWindow(SW_HIDE);
|
|
imageArea.MoveWindow(3, 3, imageModel.GetWidth() * toolsModel.GetZoom() / 1000, imageModel.GetHeight() * toolsModel.GetZoom() / 1000, FALSE);
|
|
scrollboxWindow.Invalidate(TRUE);
|
|
imageArea.Invalidate(FALSE);
|
|
|
|
scrollboxWindow.SetScrollPos(SB_HORZ, 0, TRUE);
|
|
scrollboxWindow.SetScrollPos(SB_VERT, 0, TRUE);
|
|
}
|
|
|
|
void CImgAreaWindow::drawZoomFrame(int mouseX, int mouseY)
|
|
{
|
|
HDC hdc;
|
|
HPEN oldPen;
|
|
HBRUSH oldBrush;
|
|
LOGBRUSH logbrush;
|
|
int rop;
|
|
|
|
RECT clientRectScrollbox;
|
|
RECT clientRectImageArea;
|
|
int x, y, w, h;
|
|
scrollboxWindow.GetClientRect(&clientRectScrollbox);
|
|
GetClientRect(&clientRectImageArea);
|
|
w = clientRectImageArea.right * 2;
|
|
h = clientRectImageArea.bottom * 2;
|
|
if (!w || !h)
|
|
{
|
|
return;
|
|
}
|
|
w = clientRectImageArea.right * clientRectScrollbox.right / w;
|
|
h = clientRectImageArea.bottom * clientRectScrollbox.bottom / h;
|
|
x = max(0, min(clientRectImageArea.right - w, mouseX - w / 2));
|
|
y = max(0, min(clientRectImageArea.bottom - h, mouseY - h / 2));
|
|
|
|
hdc = GetDC();
|
|
oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, 0, 0));
|
|
logbrush.lbStyle = BS_HOLLOW;
|
|
oldBrush = (HBRUSH) SelectObject(hdc, CreateBrushIndirect(&logbrush));
|
|
rop = SetROP2(hdc, R2_NOT);
|
|
Rectangle(hdc, x, y, x + w, y + h);
|
|
SetROP2(hdc, rop);
|
|
DeleteObject(SelectObject(hdc, oldBrush));
|
|
DeleteObject(SelectObject(hdc, oldPen));
|
|
ReleaseDC(hdc);
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
int imgXRes = imageModel.GetWidth();
|
|
int imgYRes = imageModel.GetHeight();
|
|
sizeboxLeftTop.MoveWindow(
|
|
0,
|
|
0, 3, 3, TRUE);
|
|
sizeboxCenterTop.MoveWindow(
|
|
imgXRes * toolsModel.GetZoom() / 2000 + 3 * 3 / 4,
|
|
0, 3, 3, TRUE);
|
|
sizeboxRightTop.MoveWindow(
|
|
imgXRes * toolsModel.GetZoom() / 1000 + 3,
|
|
0, 3, 3, TRUE);
|
|
sizeboxLeftCenter.MoveWindow(
|
|
0,
|
|
imgYRes * toolsModel.GetZoom() / 2000 + 3 * 3 / 4, 3, 3, TRUE);
|
|
sizeboxRightCenter.MoveWindow(
|
|
imgXRes * toolsModel.GetZoom() / 1000 + 3,
|
|
imgYRes * toolsModel.GetZoom() / 2000 + 3 * 3 / 4, 3, 3, TRUE);
|
|
sizeboxLeftBottom.MoveWindow(
|
|
0,
|
|
imgYRes * toolsModel.GetZoom() / 1000 + 3, 3, 3, TRUE);
|
|
sizeboxCenterBottom.MoveWindow(
|
|
imgXRes * toolsModel.GetZoom() / 2000 + 3 * 3 / 4,
|
|
imgYRes * toolsModel.GetZoom() / 1000 + 3, 3, 3, TRUE);
|
|
sizeboxRightBottom.MoveWindow(
|
|
imgXRes * toolsModel.GetZoom() / 1000 + 3,
|
|
imgYRes * toolsModel.GetZoom() / 1000 + 3, 3, 3, TRUE);
|
|
UpdateScrollbox();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
DefWindowProc(WM_PAINT, wParam, lParam);
|
|
HDC hdc = GetDC();
|
|
int imgXRes = imageModel.GetWidth();
|
|
int imgYRes = imageModel.GetHeight();
|
|
StretchBlt(hdc, 0, 0, imgXRes * toolsModel.GetZoom() / 1000, imgYRes * toolsModel.GetZoom() / 1000, imageModel.GetDC(), 0, 0, imgXRes,
|
|
imgYRes, SRCCOPY);
|
|
if (showGrid && (toolsModel.GetZoom() >= 4000))
|
|
{
|
|
HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, 1, 0x00a0a0a0));
|
|
int counter;
|
|
for(counter = 0; counter <= imgYRes; counter++)
|
|
{
|
|
MoveToEx(hdc, 0, counter * toolsModel.GetZoom() / 1000, NULL);
|
|
LineTo(hdc, imgXRes * toolsModel.GetZoom() / 1000, counter * toolsModel.GetZoom() / 1000);
|
|
}
|
|
for(counter = 0; counter <= imgXRes; counter++)
|
|
{
|
|
MoveToEx(hdc, counter * toolsModel.GetZoom() / 1000, 0, NULL);
|
|
LineTo(hdc, counter * toolsModel.GetZoom() / 1000, imgYRes * toolsModel.GetZoom() / 1000);
|
|
}
|
|
DeleteObject(SelectObject(hdc, oldPen));
|
|
}
|
|
ReleaseDC(hdc);
|
|
selectionWindow.Invalidate(FALSE);
|
|
miniature.Invalidate(FALSE);
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
switch (toolsModel.GetActiveTool())
|
|
{
|
|
case TOOL_FILL:
|
|
SetCursor(hCurFill);
|
|
break;
|
|
case TOOL_COLOR:
|
|
SetCursor(hCurColor);
|
|
break;
|
|
case TOOL_ZOOM:
|
|
SetCursor(hCurZoom);
|
|
break;
|
|
case TOOL_PEN:
|
|
SetCursor(hCurPen);
|
|
break;
|
|
case TOOL_AIRBRUSH:
|
|
SetCursor(hCurAirbrush);
|
|
break;
|
|
default:
|
|
SetCursor(LoadCursor(NULL, IDC_CROSS));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if ((!drawing) || (toolsModel.GetActiveTool() == TOOL_COLOR))
|
|
{
|
|
SetCapture();
|
|
drawing = TRUE;
|
|
startPaintingL(imageModel.GetDC(), GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom(),
|
|
paletteModel.GetFgColor(), paletteModel.GetBgColor());
|
|
}
|
|
else
|
|
{
|
|
SendMessage(WM_LBUTTONUP, wParam, lParam);
|
|
imageModel.Undo();
|
|
}
|
|
Invalidate(FALSE);
|
|
if ((toolsModel.GetActiveTool() == TOOL_ZOOM) && (toolsModel.GetZoom() < 8000))
|
|
zoomTo(toolsModel.GetZoom() * 2, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnRButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if ((!drawing) || (toolsModel.GetActiveTool() == TOOL_COLOR))
|
|
{
|
|
SetCapture();
|
|
drawing = TRUE;
|
|
startPaintingR(imageModel.GetDC(), GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom(),
|
|
paletteModel.GetFgColor(), paletteModel.GetBgColor());
|
|
}
|
|
else
|
|
{
|
|
SendMessage(WM_RBUTTONUP, wParam, lParam);
|
|
imageModel.Undo();
|
|
}
|
|
Invalidate(FALSE);
|
|
if ((toolsModel.GetActiveTool() == TOOL_ZOOM) && (toolsModel.GetZoom() > 125))
|
|
zoomTo(toolsModel.GetZoom() / 2, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnLButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if (drawing)
|
|
{
|
|
endPaintingL(imageModel.GetDC(), GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), paletteModel.GetFgColor(),
|
|
paletteModel.GetBgColor());
|
|
Invalidate(FALSE);
|
|
if (toolsModel.GetActiveTool() == TOOL_COLOR)
|
|
{
|
|
COLORREF tempColor =
|
|
GetPixel(imageModel.GetDC(), GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom());
|
|
if (tempColor != CLR_INVALID)
|
|
paletteModel.SetFgColor(tempColor);
|
|
}
|
|
SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) "");
|
|
}
|
|
drawing = FALSE;
|
|
ReleaseCapture();
|
|
return 0;
|
|
}
|
|
|
|
void CImgAreaWindow::cancelDrawing()
|
|
{
|
|
POINT pt;
|
|
switch (toolsModel.GetActiveTool())
|
|
{
|
|
case TOOL_FREESEL: case TOOL_RECTSEL:
|
|
case TOOL_TEXT: case TOOL_ZOOM: case TOOL_SHAPE:
|
|
imageModel.ResetToPrevious();
|
|
selectionModel.ResetPtStack();
|
|
pointSP = 0;
|
|
Invalidate(FALSE);
|
|
break;
|
|
default:
|
|
GetCursorPos(&pt);
|
|
ScreenToClient(&pt);
|
|
// FIXME: dirty hack
|
|
if (GetKeyState(VK_LBUTTON) < 0)
|
|
{
|
|
endPaintingL(imageModel.GetDC(), pt.x * 1000 / toolsModel.GetZoom(), pt.y * 1000 / toolsModel.GetZoom(), paletteModel.GetFgColor(),
|
|
paletteModel.GetBgColor());
|
|
}
|
|
else if (GetKeyState(VK_RBUTTON) < 0)
|
|
{
|
|
endPaintingR(imageModel.GetDC(), pt.x * 1000 / toolsModel.GetZoom(), pt.y * 1000 / toolsModel.GetZoom(), paletteModel.GetFgColor(),
|
|
paletteModel.GetBgColor());
|
|
}
|
|
imageModel.Undo();
|
|
pointSP = 0;
|
|
selectionModel.ResetPtStack();
|
|
}
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnCaptureChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if (drawing)
|
|
{
|
|
cancelDrawing();
|
|
drawing = FALSE;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnKeyDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if (wParam == VK_ESCAPE)
|
|
{
|
|
if (GetCapture() == m_hWnd)
|
|
{
|
|
ReleaseCapture();
|
|
}
|
|
else
|
|
{
|
|
switch (toolsModel.GetActiveTool())
|
|
{
|
|
case TOOL_SHAPE: case TOOL_BEZIER:
|
|
cancelDrawing();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnRButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
if (drawing)
|
|
{
|
|
endPaintingR(imageModel.GetDC(), GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), paletteModel.GetFgColor(),
|
|
paletteModel.GetBgColor());
|
|
Invalidate(FALSE);
|
|
if (toolsModel.GetActiveTool() == TOOL_COLOR)
|
|
{
|
|
COLORREF tempColor =
|
|
GetPixel(imageModel.GetDC(), GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom(), GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom());
|
|
if (tempColor != CLR_INVALID)
|
|
paletteModel.SetBgColor(tempColor);
|
|
}
|
|
SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) "");
|
|
}
|
|
drawing = FALSE;
|
|
ReleaseCapture();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
LONG xNow = GET_X_LPARAM(lParam) * 1000 / toolsModel.GetZoom();
|
|
LONG yNow = GET_Y_LPARAM(lParam) * 1000 / toolsModel.GetZoom();
|
|
if ((!drawing) || (toolsModel.GetActiveTool() <= TOOL_AIRBRUSH))
|
|
{
|
|
TRACKMOUSEEVENT tme;
|
|
|
|
if (toolsModel.GetActiveTool() == TOOL_ZOOM)
|
|
{
|
|
Invalidate(FALSE);
|
|
UpdateWindow();
|
|
drawZoomFrame(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
|
|
}
|
|
|
|
tme.cbSize = sizeof(TRACKMOUSEEVENT);
|
|
tme.dwFlags = TME_LEAVE;
|
|
tme.hwndTrack = m_hWnd;
|
|
tme.dwHoverTime = 0;
|
|
TrackMouseEvent(&tme);
|
|
|
|
if (!drawing)
|
|
{
|
|
CString strCoord;
|
|
strCoord.Format(_T("%ld, %ld"), xNow, yNow);
|
|
SendMessage(hStatusBar, SB_SETTEXT, 1, (LPARAM) (LPCTSTR) strCoord);
|
|
}
|
|
}
|
|
if (drawing)
|
|
{
|
|
/* values displayed in statusbar */
|
|
LONG xRel = xNow - start.x;
|
|
LONG yRel = yNow - start.y;
|
|
/* freesel, rectsel and text tools always show numbers limited to fit into image area */
|
|
if ((toolsModel.GetActiveTool() == TOOL_FREESEL) || (toolsModel.GetActiveTool() == TOOL_RECTSEL) || (toolsModel.GetActiveTool() == TOOL_TEXT))
|
|
{
|
|
if (xRel < 0)
|
|
xRel = (xNow < 0) ? -start.x : xRel;
|
|
else if (xNow > imageModel.GetWidth())
|
|
xRel = imageModel.GetWidth() - start.x;
|
|
if (yRel < 0)
|
|
yRel = (yNow < 0) ? -start.y : yRel;
|
|
else if (yNow > imageModel.GetHeight())
|
|
yRel = imageModel.GetHeight() - start.y;
|
|
}
|
|
/* rectsel and shape tools always show non-negative numbers when drawing */
|
|
if ((toolsModel.GetActiveTool() == TOOL_RECTSEL) || (toolsModel.GetActiveTool() == TOOL_SHAPE))
|
|
{
|
|
if (xRel < 0)
|
|
xRel = -xRel;
|
|
if (yRel < 0)
|
|
yRel = -yRel;
|
|
}
|
|
/* while drawing, update cursor coordinates only for tools 3, 7, 8, 9, 14 */
|
|
switch(toolsModel.GetActiveTool())
|
|
{
|
|
case TOOL_RUBBER:
|
|
case TOOL_PEN:
|
|
case TOOL_BRUSH:
|
|
case TOOL_AIRBRUSH:
|
|
case TOOL_SHAPE:
|
|
{
|
|
CString strCoord;
|
|
strCoord.Format(_T("%ld, %ld"), xNow, yNow);
|
|
SendMessage(hStatusBar, SB_SETTEXT, 1, (LPARAM) (LPCTSTR) strCoord);
|
|
break;
|
|
}
|
|
}
|
|
if ((wParam & MK_LBUTTON) != 0)
|
|
{
|
|
whilePaintingL(imageModel.GetDC(), xNow, yNow, paletteModel.GetFgColor(), paletteModel.GetBgColor());
|
|
Invalidate(FALSE);
|
|
if ((toolsModel.GetActiveTool() >= TOOL_TEXT) || (toolsModel.GetActiveTool() == TOOL_RECTSEL) || (toolsModel.GetActiveTool() == TOOL_FREESEL))
|
|
{
|
|
CString strSize;
|
|
if ((toolsModel.GetActiveTool() >= TOOL_LINE) && (GetAsyncKeyState(VK_SHIFT) < 0))
|
|
yRel = xRel;
|
|
strSize.Format(_T("%ld x %ld"), xRel, yRel);
|
|
SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) (LPCTSTR) strSize);
|
|
}
|
|
}
|
|
if ((wParam & MK_RBUTTON) != 0)
|
|
{
|
|
whilePaintingR(imageModel.GetDC(), xNow, yNow, paletteModel.GetFgColor(), paletteModel.GetBgColor());
|
|
Invalidate(FALSE);
|
|
if (toolsModel.GetActiveTool() >= TOOL_TEXT)
|
|
{
|
|
CString strSize;
|
|
if ((toolsModel.GetActiveTool() >= TOOL_LINE) && (GetAsyncKeyState(VK_SHIFT) < 0))
|
|
yRel = xRel;
|
|
strSize.Format(_T("%ld x %ld"), xRel, yRel);
|
|
SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) (LPCTSTR) strSize);
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnMouseLeave(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
SendMessage(hStatusBar, SB_SETTEXT, 1, (LPARAM) _T(""));
|
|
if (toolsModel.GetActiveTool() == TOOL_ZOOM)
|
|
Invalidate(FALSE);
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnImageModelDimensionsChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
updateCanvasAndScrollbars();
|
|
return 0;
|
|
}
|
|
|
|
LRESULT CImgAreaWindow::OnImageModelImageChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
|
{
|
|
Invalidate(FALSE);
|
|
return 0;
|
|
}
|