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khanat-opennel-code/code/ryzom/tools/leveldesign/georges_dll/cool_dialog_bar.cpp

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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// CoolDialogBar.cpp : implementation file
// http://www.codeguru.com/docking/devstudio_like_controlbar_2.shtml
#include "stdafx.h"
#include "afxpriv.h" // for CDockContext
#include "cool_dialog_bar.h"
#define max(a,b) ((a>b)?a:b)
#define min(a,b) ((a<b)?a:b)
/////////////////////////////////////////////////////////////////////////////
// CCoolDialogBar
CCoolDialogBar::CCoolDialogBar() :
m_clrBtnHilight(::GetSysColor(COLOR_BTNHILIGHT)),
m_clrBtnShadow(::GetSysColor(COLOR_BTNSHADOW))
{
m_sizeMin = CSize(32, 32);
m_sizeHorz = CSize(200, 200);
m_sizeVert = CSize(200, 200);
m_sizeFloat = CSize(200, 200);
m_bTracking = FALSE;
m_bInRecalcNC = FALSE;
m_cxEdge = 6;
m_cxBorder = 3;
m_cxGripper = 20;
m_cDialog = NULL;
m_brushBkgd.CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
// Rob Wolpov 10/15/98 Added support for diagonal resizing
m_cyBorder = 3;
m_cCaptionSize = GetSystemMetrics(SM_CYSMCAPTION);
m_cMinWidth = GetSystemMetrics(SM_CXMIN);
m_cMinHeight = GetSystemMetrics(SM_CYMIN);
}
CCoolDialogBar::~CCoolDialogBar()
{
}
BEGIN_MESSAGE_MAP(CCoolDialogBar, CControlBar)
//{{AFX_MSG_MAP(CCoolDialogBar)
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_SETCURSOR()
ON_WM_WINDOWPOSCHANGED()
ON_WM_NCPAINT()
ON_WM_NCLBUTTONDOWN()
ON_WM_NCHITTEST()
ON_WM_NCCALCSIZE()
ON_WM_LBUTTONDOWN()
ON_WM_CAPTURECHANGED()
ON_WM_LBUTTONDBLCLK()
ON_WM_NCLBUTTONDBLCLK()
ON_WM_SIZE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCoolDialogBar message handlers
void CCoolDialogBar::OnUpdateCmdUI(class CFrameWnd *pTarget, int bDisableIfNoHndler)
{
UpdateDialogControls(pTarget, bDisableIfNoHndler);
}
BOOL CCoolDialogBar::Create(CWnd* pParentWnd, CDialog *pDialog, CString &pTitle, UINT nID, DWORD dwStyle)
{
ASSERT_VALID(pParentWnd); // must have a parent
ASSERT (!((dwStyle & CBRS_SIZE_FIXED) && (dwStyle & CBRS_SIZE_DYNAMIC)));
// save the style -- AMENDED by Holger Thiele - Thankyou
m_dwStyle = dwStyle & CBRS_ALL;
// create the base window
CString wndclass = AfxRegisterWndClass(CS_DBLCLKS, LoadCursor(NULL, IDC_ARROW),
m_brushBkgd, 0);
// JC: changed the nId from 0 to 1234, to fix some problems
if (!CWnd::Create(wndclass, pTitle, dwStyle, CRect(0,0,0,0), pParentWnd, 1234/*0*/))
return FALSE;
// create the child dialog
m_cDialog = pDialog;
m_cDialog->Create(nID, this);
// JC: added patch to fix the problem with LoadBarState
SetDlgCtrlID(nID);
// use the dialog dimensions as default base dimensions
CRect rc;
m_cDialog->GetWindowRect(rc);
m_sizeHorz = m_sizeVert = m_sizeFloat = rc.Size();
m_sizeHorz.cy += m_cxEdge + m_cxBorder;
m_sizeVert.cx += m_cxEdge + m_cxBorder;
return TRUE;
}
CSize CCoolDialogBar::CalcFixedLayout(BOOL bStretch, BOOL bHorz)
{
CRect rc;
m_pDockSite->GetControlBar(AFX_IDW_DOCKBAR_TOP)->GetWindowRect(rc);
int nHorzDockBarWidth = bStretch ? 32767 : rc.Width() + 4;
m_pDockSite->GetControlBar(AFX_IDW_DOCKBAR_LEFT)->GetWindowRect(rc);
int nVertDockBarHeight = bStretch ? 32767 : rc.Height() + 4;
if(IsFloating())
return m_sizeFloat;
else if (bHorz)
return CSize(nHorzDockBarWidth, m_sizeHorz.cy);
else
return CSize(m_sizeVert.cx, nVertDockBarHeight);
}
CSize CCoolDialogBar::CalcDynamicLayout(int nLength, DWORD dwMode)
{
// Rob Wolpov 10/15/98 Added support for diagonal sizing
if (IsFloating())
{
// Enable diagonal arrow cursor for resizing
GetParent()->GetParent()->ModifyStyle(MFS_4THICKFRAME,0);
}
if (dwMode & (LM_HORZDOCK | LM_VERTDOCK))
{
SetWindowPos(NULL, 0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER |
SWP_NOACTIVATE | SWP_FRAMECHANGED);
m_pDockSite->RecalcLayout();
return CControlBar::CalcDynamicLayout(nLength,dwMode);
}
if (dwMode & LM_MRUWIDTH)
return m_sizeFloat;
if (dwMode & LM_COMMIT)
{
m_sizeFloat.cx = nLength;
return m_sizeFloat;
}
// Rob Wolpov 10/15/98 Added support for diagonal sizing
if (IsFloating())
{
RECT window_rect;
POINT cursor_pt;
GetCursorPos(&cursor_pt);
GetParent()->GetParent()->GetWindowRect(&window_rect);
switch (m_pDockContext->m_nHitTest)
{
case HTTOPLEFT:
m_sizeFloat.cx = max(window_rect.right - cursor_pt.x,
m_cMinWidth) - m_cxBorder;
m_sizeFloat.cy = max(window_rect.bottom - m_cCaptionSize -
cursor_pt.y,m_cMinHeight) - 1;
m_pDockContext->m_rectFrameDragHorz.top = min(cursor_pt.y,
window_rect.bottom - m_cCaptionSize - m_cMinHeight) -
m_cyBorder;
m_pDockContext->m_rectFrameDragHorz.left = min(cursor_pt.x,
window_rect.right - m_cMinWidth) - 1;
return m_sizeFloat;
case HTTOPRIGHT:
m_sizeFloat.cx = max(cursor_pt.x - window_rect.left,
m_cMinWidth);
m_sizeFloat.cy = max(window_rect.bottom - m_cCaptionSize -
cursor_pt.y,m_cMinHeight) - 1;
m_pDockContext->m_rectFrameDragHorz.top = min(cursor_pt.y,
window_rect.bottom - m_cCaptionSize - m_cMinHeight) -
m_cyBorder;
return m_sizeFloat;
case HTBOTTOMLEFT:
m_sizeFloat.cx = max(window_rect.right - cursor_pt.x,
m_cMinWidth) - m_cxBorder;
m_sizeFloat.cy = max(cursor_pt.y - window_rect.top -
m_cCaptionSize,m_cMinHeight);
m_pDockContext->m_rectFrameDragHorz.left = min(cursor_pt.x,
window_rect.right - m_cMinWidth) - 1;
return m_sizeFloat;
case HTBOTTOMRIGHT:
m_sizeFloat.cx = max(cursor_pt.x - window_rect.left,
m_cMinWidth);
m_sizeFloat.cy = max(cursor_pt.y - window_rect.top -
m_cCaptionSize,m_cMinHeight);
return m_sizeFloat;
}
}
if (dwMode & LM_LENGTHY)
return CSize(m_sizeFloat.cx,
m_sizeFloat.cy = max(m_sizeMin.cy, nLength));
else
return CSize(max(m_sizeMin.cx, nLength), m_sizeFloat.cy);
}
void CCoolDialogBar::OnWindowPosChanged(WINDOWPOS FAR* lpwndpos)
{
CControlBar::OnWindowPosChanged(lpwndpos);
if(!::IsWindow(m_hWnd) || m_cDialog==NULL)
return;
if(!::IsWindow(m_cDialog->m_hWnd))
return;
if (m_bInRecalcNC)
{
CRect rc;
GetClientRect(rc);
m_cDialog->MoveWindow(rc);
return;
}
// Find on which side are we docked
UINT nDockBarID = GetParent()->GetDlgCtrlID();
// Return if dropped at same location
if (nDockBarID == m_nDockBarID // no docking side change
&& (lpwndpos->flags & SWP_NOSIZE) // no size change
&& ((m_dwStyle & CBRS_BORDER_ANY) != CBRS_BORDER_ANY))
return;
m_nDockBarID = nDockBarID;
// Force recalc the non-client area
m_bInRecalcNC = TRUE;
SetWindowPos(NULL, 0,0,0,0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED);
m_bInRecalcNC = FALSE;
}
BOOL CCoolDialogBar::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
if ((nHitTest != HTSIZE) || m_bTracking)
return CControlBar::OnSetCursor(pWnd, nHitTest, message);
if (IsHorz())
SetCursor(LoadCursor(NULL, IDC_SIZENS));
else
SetCursor(LoadCursor(NULL, IDC_SIZEWE));
return TRUE;
}
/////////////////////////////////////////////////////////////////////////
// Mouse Handling
//
void CCoolDialogBar::OnLButtonUp(UINT nFlags, CPoint point)
{
if (!m_bTracking)
CControlBar::OnLButtonUp(nFlags, point);
else
{
ClientToWnd(point);
StopTracking(TRUE);
}
}
void CCoolDialogBar::OnMouseMove(UINT nFlags, CPoint point)
{
if (IsFloating() || !m_bTracking)
{
CControlBar::OnMouseMove(nFlags, point);
return;
}
CPoint cpt = m_rectTracker.CenterPoint();
ClientToWnd(point);
if (IsHorz())
{
if (cpt.y != point.y)
{
OnInvertTracker(m_rectTracker);
m_rectTracker.OffsetRect(0, point.y - cpt.y);
OnInvertTracker(m_rectTracker);
}
}
else
{
if (cpt.x != point.x)
{
OnInvertTracker(m_rectTracker);
m_rectTracker.OffsetRect(point.x - cpt.x, 0);
OnInvertTracker(m_rectTracker);
}
}
}
void CCoolDialogBar::OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS FAR* lpncsp)
{
// Compute the rectangle of the mobile edge
GetWindowRect(m_rectBorder);
m_rectBorder = CRect(0, 0, m_rectBorder.Width(), m_rectBorder.Height());
DWORD dwBorderStyle = m_dwStyle | CBRS_BORDER_ANY;
switch(m_nDockBarID)
{
case AFX_IDW_DOCKBAR_TOP:
dwBorderStyle &= ~CBRS_BORDER_BOTTOM;
lpncsp->rgrc[0].left += m_cxGripper;
lpncsp->rgrc[0].bottom += -m_cxEdge;
lpncsp->rgrc[0].top += m_cxBorder;
lpncsp->rgrc[0].right += -m_cxBorder;
m_rectBorder.top = m_rectBorder.bottom - m_cxEdge;
break;
case AFX_IDW_DOCKBAR_BOTTOM:
dwBorderStyle &= ~CBRS_BORDER_TOP;
lpncsp->rgrc[0].left += m_cxGripper;
lpncsp->rgrc[0].top += m_cxEdge;
lpncsp->rgrc[0].bottom += -m_cxBorder;
lpncsp->rgrc[0].right += -m_cxBorder;
m_rectBorder.bottom = m_rectBorder.top + m_cxEdge;
break;
case AFX_IDW_DOCKBAR_LEFT:
dwBorderStyle &= ~CBRS_BORDER_RIGHT;
lpncsp->rgrc[0].right += -m_cxEdge;
lpncsp->rgrc[0].left += m_cxBorder;
lpncsp->rgrc[0].bottom += -m_cxBorder;
lpncsp->rgrc[0].top += m_cxGripper;
m_rectBorder.left = m_rectBorder.right - m_cxEdge;
break;
case AFX_IDW_DOCKBAR_RIGHT:
dwBorderStyle &= ~CBRS_BORDER_LEFT;
lpncsp->rgrc[0].left += m_cxEdge;
lpncsp->rgrc[0].right += -m_cxBorder;
lpncsp->rgrc[0].bottom += -m_cxBorder;
lpncsp->rgrc[0].top += m_cxGripper;
m_rectBorder.right = m_rectBorder.left + m_cxEdge;
break;
default:
m_rectBorder.SetRectEmpty();
break;
}
SetBarStyle(dwBorderStyle);
}
void CCoolDialogBar::OnNcPaint()
{
EraseNonClient();
CWindowDC dc(this);
dc.Draw3dRect(m_rectBorder, GetSysColor(COLOR_BTNHIGHLIGHT),
GetSysColor(COLOR_BTNSHADOW));
DrawGripper(dc);
CRect pRect;
GetClientRect( &pRect );
InvalidateRect( &pRect, TRUE );
}
void CCoolDialogBar::OnNcLButtonDown(UINT nHitTest, CPoint point)
{
if (m_bTracking) return;
if((nHitTest == HTSYSMENU) && !IsFloating())
GetDockingFrame()->ShowControlBar(this, FALSE, FALSE);
else if ((nHitTest == HTMINBUTTON) && !IsFloating())
m_pDockContext->ToggleDocking();
else if ((nHitTest == HTCAPTION) && !IsFloating() && (m_pDockBar != NULL))
{
// start the drag
ASSERT(m_pDockContext != NULL);
m_pDockContext->StartDrag(point);
}
else if ((nHitTest == HTSIZE) && !IsFloating())
StartTracking();
else
CControlBar::OnNcLButtonDown(nHitTest, point);
}
LRESULT CCoolDialogBar::OnNcHitTest(CPoint point)
{
if (IsFloating())
return CControlBar::OnNcHitTest(point);
CRect rc;
GetWindowRect(rc);
point.Offset(-rc.left, -rc.top);
if(m_rectClose.PtInRect(point))
return HTSYSMENU;
else if (m_rectUndock.PtInRect(point))
return HTMINBUTTON;
else if (m_rectGripper.PtInRect(point))
return HTCAPTION;
else if (m_rectBorder.PtInRect(point))
return HTSIZE;
else
return CControlBar::OnNcHitTest(point);
}
void CCoolDialogBar::OnLButtonDown(UINT nFlags, CPoint point)
{
// only start dragging if clicked in "void" space
if (m_pDockBar != NULL)
{
// start the drag
ASSERT(m_pDockContext != NULL);
ClientToScreen(&point);
m_pDockContext->StartDrag(point);
}
else
{
CWnd::OnLButtonDown(nFlags, point);
}
}
void CCoolDialogBar::OnLButtonDblClk(UINT nFlags, CPoint point)
{
// only toggle docking if clicked in "void" space
if (m_pDockBar != NULL)
{
// toggle docking
ASSERT(m_pDockContext != NULL);
m_pDockContext->ToggleDocking();
}
else
{
CWnd::OnLButtonDblClk(nFlags, point);
}
}
void CCoolDialogBar::StartTracking()
{
SetCapture();
// make sure no updates are pending
RedrawWindow(NULL, NULL, RDW_ALLCHILDREN | RDW_UPDATENOW);
m_pDockSite->LockWindowUpdate();
m_ptOld = m_rectBorder.CenterPoint();
m_bTracking = TRUE;
m_rectTracker = m_rectBorder;
if (!IsHorz()) m_rectTracker.bottom -= 4;
OnInvertTracker(m_rectTracker);
}
void CCoolDialogBar::OnCaptureChanged(CWnd *pWnd)
{
if (m_bTracking && pWnd != this)
StopTracking(FALSE); // cancel tracking
CControlBar::OnCaptureChanged(pWnd);
}
void CCoolDialogBar::StopTracking(BOOL bAccept)
{
OnInvertTracker(m_rectTracker);
m_pDockSite->UnlockWindowUpdate();
m_bTracking = FALSE;
ReleaseCapture();
if (!bAccept) return;
int maxsize, minsize, newsize;
CRect rcc;
m_pDockSite->GetWindowRect(rcc);
newsize = IsHorz() ? m_sizeHorz.cy : m_sizeVert.cx;
maxsize = newsize + (IsHorz() ? rcc.Height() : rcc.Width());
minsize = IsHorz() ? m_sizeMin.cy : m_sizeMin.cx;
CPoint point = m_rectTracker.CenterPoint();
switch (m_nDockBarID)
{
case AFX_IDW_DOCKBAR_TOP:
newsize += point.y - m_ptOld.y; break;
case AFX_IDW_DOCKBAR_BOTTOM:
newsize += -point.y + m_ptOld.y; break;
case AFX_IDW_DOCKBAR_LEFT:
newsize += point.x - m_ptOld.x; break;
case AFX_IDW_DOCKBAR_RIGHT:
newsize += -point.x + m_ptOld.x; break;
}
newsize = max(minsize, min(maxsize, newsize));
if (IsHorz())
m_sizeHorz.cy = newsize;
else
m_sizeVert.cx = newsize;
m_pDockSite->RecalcLayout();
}
void CCoolDialogBar::OnInvertTracker(const CRect& rect)
{
ASSERT_VALID(this);
ASSERT(!rect.IsRectEmpty());
ASSERT(m_bTracking);
CRect rct = rect, rcc, rcf;
GetWindowRect(rcc);
m_pDockSite->GetWindowRect(rcf);
rct.OffsetRect(rcc.left - rcf.left, rcc.top - rcf.top);
rct.DeflateRect(1, 1);
CDC *pDC = m_pDockSite->GetDCEx(NULL,
DCX_WINDOW|DCX_CACHE|DCX_LOCKWINDOWUPDATE);
CBrush* pBrush = CDC::GetHalftoneBrush();
HBRUSH hOldBrush = NULL;
if (pBrush != NULL)
hOldBrush = (HBRUSH)SelectObject(pDC->m_hDC, pBrush->m_hObject);
pDC->PatBlt(rct.left, rct.top, rct.Width(), rct.Height(), PATINVERT);
if (hOldBrush != NULL)
SelectObject(pDC->m_hDC, hOldBrush);
m_pDockSite->ReleaseDC(pDC);
}
BOOL CCoolDialogBar::IsHorz() const
{
return (m_nDockBarID == AFX_IDW_DOCKBAR_TOP ||
m_nDockBarID == AFX_IDW_DOCKBAR_BOTTOM);
}
CPoint& CCoolDialogBar::ClientToWnd(CPoint& point)
{
if (m_nDockBarID == AFX_IDW_DOCKBAR_BOTTOM)
point.y += m_cxEdge;
else if (m_nDockBarID == AFX_IDW_DOCKBAR_RIGHT)
point.x += m_cxEdge;
return point;
}
void CCoolDialogBar::DrawGripper(CDC & dc)
{
// no gripper if floating
if( m_dwStyle & CBRS_FLOATING )
return;
// -==HACK==-
// in order to calculate the client area properly after docking,
// the client area must be recalculated twice (I have no idea why)
m_pDockSite->RecalcLayout();
// -==END HACK==-
CRect gripper;
GetWindowRect( gripper );
ScreenToClient( gripper );
gripper.OffsetRect( -gripper.left, -gripper.top );
if( m_dwStyle & CBRS_ORIENT_HORZ )
{
// gripper at left
m_rectGripper.top = gripper.top + 40;
m_rectGripper.bottom = gripper.bottom;
m_rectGripper.left = gripper.left;
m_rectGripper.right = gripper.left + 20;
// draw close box
m_rectClose.left = gripper.left + 7;
m_rectClose.right = m_rectClose.left + 12;
m_rectClose.top = gripper.top + 10;
m_rectClose.bottom = m_rectClose.top + 12;
dc.DrawFrameControl(m_rectClose, DFC_CAPTION, DFCS_CAPTIONCLOSE);
// draw docking toggle box
m_rectUndock = m_rectClose;
m_rectUndock.OffsetRect(0,13);
dc.DrawFrameControl(m_rectUndock, DFC_CAPTION, DFCS_CAPTIONMAX);
gripper.top += 38;
gripper.bottom -= 10;
gripper.left += 10;
gripper.right = gripper.left+3;
dc.Draw3dRect( gripper, m_clrBtnHilight, m_clrBtnShadow );
gripper.OffsetRect(4, 0);
dc.Draw3dRect( gripper, m_clrBtnHilight, m_clrBtnShadow );
}
else
{
// gripper at top
m_rectGripper.top = gripper.top;
m_rectGripper.bottom = gripper.top + 20;
m_rectGripper.left = gripper.left;
m_rectGripper.right = gripper.right - 40;
// draw close box
m_rectClose.right = gripper.right - 10;
m_rectClose.left = m_rectClose.right - 11;
m_rectClose.top = gripper.top + 7;
m_rectClose.bottom = m_rectClose.top + 11;
dc.DrawFrameControl(m_rectClose, DFC_CAPTION, DFCS_CAPTIONCLOSE);
// draw docking toggle box
m_rectUndock = m_rectClose;
m_rectUndock.OffsetRect(-13,0);
dc.DrawFrameControl(m_rectUndock, DFC_CAPTION, DFCS_CAPTIONMAX);
gripper.right -= 38;
gripper.left += 10;
gripper.top += 10;
gripper.bottom = gripper.top+3;
dc.Draw3dRect( gripper, m_clrBtnHilight, m_clrBtnShadow );
gripper.OffsetRect(0, 4);
dc.Draw3dRect( gripper, m_clrBtnHilight, m_clrBtnShadow );
}
}
void CCoolDialogBar::OnNcLButtonDblClk(UINT nHitTest, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if ((m_pDockBar != NULL) && (nHitTest == HTCAPTION))
{
// toggle docking
ASSERT(m_pDockContext != NULL);
m_pDockContext->ToggleDocking();
}
else
{
CWnd::OnNcLButtonDblClk(nHitTest, point);
}
}
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