481 lines
9.6 KiB
C++
481 lines
9.6 KiB
C++
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//-----------------------------------------------------------------------------
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// File: flexcombobox.cpp
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//
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// Desc: Implements a combo box control similar to Windows combo box.
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// CFlexComboBox is derived from CFlexWnd. It is used by the page
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// for player list and genre list. When the combo box is open,
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// CFlexComboBox uses a CFlexListBox for the list window.
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//
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// Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
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//-----------------------------------------------------------------------------
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#include "common.hpp"
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CFlexComboBox::CFlexComboBox() :
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m_nTextHeight(-1),
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m_hWndNotify(NULL),
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m_rgbText(RGB(255,255,255)),
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m_rgbBk(RGB(0,0,0)),
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m_rgbSelText(RGB(0,0,255)),
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m_rgbSelBk(RGB(0,0,0)),
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m_rgbFill(RGB(0,0,255)),
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m_rgbLine(RGB(0,255,255)),
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m_dwFlags(0),
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m_dwListBoxFlags(0),
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m_bInSelMode(FALSE),
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m_nSBWidth(11),
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m_hFont(NULL),
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m_eCurState(FCBS_CLOSED),
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m_OldSel(-1)
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{
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}
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CFlexComboBox::~CFlexComboBox()
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{
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}
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CFlexComboBox *CreateFlexComboBox(FLEXCOMBOBOXCREATESTRUCT *pcs)
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{
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CFlexComboBox *psb = new CFlexComboBox;
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if (psb && psb->Create(pcs))
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return psb;
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delete psb;
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return NULL;
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}
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BOOL CFlexComboBox::Create(FLEXCOMBOBOXCREATESTRUCT *pcs)
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{
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if (this == NULL)
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return FALSE;
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if (pcs == NULL)
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return FALSE;
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if (pcs->dwSize != sizeof(FLEXCOMBOBOXCREATESTRUCT))
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return FALSE;
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m_hWndNotify = pcs->hWndNotify ? pcs->hWndNotify : pcs->hWndParent;
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m_dwFlags = pcs->dwFlags;
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m_dwListBoxFlags = pcs->dwListBoxFlags;
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SetFont(pcs->hFont);
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SetColors(pcs->rgbText, pcs->rgbBk, pcs->rgbSelText, pcs->rgbSelBk, pcs->rgbFill, pcs->rgbLine);
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m_nSBWidth = pcs->nSBWidth;
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m_rect = pcs->rect;
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if (!CFlexWnd::Create(pcs->hWndParent, GetRect(pcs->rect), pcs->bVisible))
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return FALSE;
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//@@BEGIN_MSINTERNAL
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// TODO: make sure that creation sends no notifications.
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// all initial notifications should be sent here.
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//@@END_MSINTERNAL
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return TRUE;
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}
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void CFlexComboBox::OnPaint(HDC hDC)
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{
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HDC hBDC = NULL, hODC = NULL;
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CBitmap *pbm = NULL;
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if (!InRenderMode())
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{
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hODC = hDC;
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pbm = CBitmap::Create(GetClientSize(), RGB(0,0,0), hDC);
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if (pbm != NULL)
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{
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hBDC = pbm->BeginPaintInto();
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if (hBDC != NULL)
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{
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hDC = hBDC;
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}
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}
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}
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InternalPaint(hDC);
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if (!InRenderMode())
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{
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if (pbm != NULL)
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{
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if (hBDC != NULL)
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{
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pbm->EndPaintInto(hBDC);
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pbm->Draw(hODC);
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}
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delete pbm;
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}
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}
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}
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void CFlexComboBox::SetSel(int i)
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{
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m_ListBox.SelectAndShowSingleItem(i, TRUE);
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}
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int CFlexComboBox::GetSel()
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{
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return m_ListBox.GetSel();
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}
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LPCTSTR CFlexComboBox::GetText()
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{
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return m_ListBox.GetSelText();
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}
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void CFlexComboBox::InternalPaint(HDC hDC)
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{
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HGDIOBJ hPen = (HGDIOBJ)CreatePen(PS_SOLID, 1, m_rgbLine);
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if (hPen != NULL)
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{
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HGDIOBJ hOldPen = SelectObject(hDC, hPen);
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HGDIOBJ hBrush = (HGDIOBJ)CreateSolidBrush(m_rgbBk);
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if (hBrush != NULL)
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{
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HGDIOBJ hOldBrush = SelectObject(hDC, hBrush);
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RECT rect = {0,0,0,0};
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GetClientRect(&rect);
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Rectangle(hDC, rect.left, rect.top, rect.right, rect.bottom);
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RECT arect = rect;
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arect.left = arect.right - (arect.bottom - arect.top);
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// If we are read-only, only draw the text in gray. No border, no arrow.
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if (!GetReadOnly())
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{
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MoveToEx(hDC, arect.left, arect.top, NULL);
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LineTo(hDC, arect.left, arect.bottom);
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}
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rect.left++;
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rect.top++;
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rect.right = arect.left;
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rect.bottom--;
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SetTextColor(hDC, m_rgbText);
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SetBkMode(hDC, TRANSPARENT);
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LPTSTR lpText = (LPTSTR)GetText();
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if (lpText)
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{
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DrawText(hDC, lpText, -1, &rect, DT_NOPREFIX);
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}
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SelectObject(hDC, hOldBrush);
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DeleteObject(hBrush);
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if (!GetReadOnly())
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{
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hBrush = (HGDIOBJ)CreateSolidBrush(m_rgbFill);
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if (hBrush != NULL)
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{
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SelectObject(hDC, hBrush);
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InflateRect(&arect, -3, -3);
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DrawArrow(hDC, arect, TRUE, FALSE);
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SelectObject(hDC, hOldBrush);
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DeleteObject(hBrush);
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}
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}
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}
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SelectObject(hDC, hOldPen);
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DeleteObject(hPen);
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}
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}
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int CFlexComboBox::AddString(LPCTSTR str)
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{
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return m_ListBox.AddString(str);
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}
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LRESULT CFlexComboBox::WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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RECT wrect = {-1, -1, -1, -1};
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POINT point = {-1, -1};
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BOOL bWithin = FALSE;
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switch (msg)
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{
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case WM_SIZE:
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Invalidate();
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SetRect();
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return 0;
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case WM_FLEXLISTBOX:
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assert(lParam == (LPARAM)(LPVOID)&m_ListBox);
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switch (wParam)
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{
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case FLBN_FINALSEL:
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StateEvent(FCBSE_UPLIST);
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break;
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case FLBN_CANCEL:
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StateEvent(FCBSE_DOWNOFF);
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break;
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}
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return 0;
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// make sure flexwnd doesn't do ANYTHING with our mouse messages
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case WM_MOUSEMOVE:
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// We initialize the tooltip to current selection text if the selected text is too long to fit.
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RECT rect;
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GetClientRect(&rect);
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rect.right = rect.right - (rect.bottom - rect.top);
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rect.left++;
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rect.top++;
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rect.bottom--;
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RECT ResultRect;
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ResultRect = rect;
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HDC hDC;
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hDC = CreateCompatibleDC(NULL);
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if (hDC)
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{
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LPTSTR lpText = (LPTSTR)GetText();
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if (lpText)
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{
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DrawText(hDC, lpText, -1, &ResultRect, DT_NOPREFIX|DT_CALCRECT);
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}
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DeleteDC(hDC);
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}
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if (rect.right < ResultRect.right || rect.bottom < ResultRect.bottom)
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{
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CFlexWnd::s_ToolTip.SetToolTipParent(GetParent(m_hWnd));
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TOOLTIPINITPARAM ttip;
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ttip.hWndParent = GetParent(m_hWnd);
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ttip.iSBWidth = 0;
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ttip.dwID = 0;
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ttip.hWndNotify = m_hWnd;
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ttip.tszCaption = m_ListBox.GetSelText();
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CFlexToolTip::UpdateToolTipParam(ttip);
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}
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Notify(FCBN_MOUSEOVER);
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case WM_LBUTTONUP:
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case WM_LBUTTONDOWN:
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case WM_RBUTTONUP:
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case WM_RBUTTONDOWN:
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case WM_LBUTTONDBLCLK:
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case WM_RBUTTONDBLCLK:
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if (msg == WM_LBUTTONDOWN)
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{
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HWND hWndParent;
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hWndParent = GetParent(hWnd);
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SendMessage(hWndParent, WM_UNHIGHLIGHT, 0, 0); // Send click message to page to unhighlight callout
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}
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GetClientRect(&wrect);
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point.x = int(LOWORD(lParam));
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point.y = int(HIWORD(lParam));
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bWithin = PtInRect(&wrect, point);
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break;
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case WM_TIMER:
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case WM_CAPTURECHANGED:
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break;
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default:
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return CFlexWnd::WndProc(hWnd, msg, wParam, lParam);
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}
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switch (msg)
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{
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case WM_LBUTTONDOWN:
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if (!GetReadOnly())
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StateEvent(bWithin ? FCBSE_DOWN : FCBSE_DOWNOFF);
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break;
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case WM_LBUTTONUP:
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if (!GetReadOnly())
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StateEvent(bWithin ? FCBSE_UPBOX : FCBSE_UPOFF);
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break;
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}
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return 0;
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}
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RECT CFlexComboBox::GetListBoxRect()
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{
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HWND hParent = GetParent(m_hWnd);
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RECT rect;
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GetClientRect(&rect);
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BOOL bRet = ClientToScreen(m_hWnd, &rect);
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BOOL bRet2 = ScreenToClient(hParent, &rect);
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RECT lrect = m_rect;
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lrect.top = rect.bottom;
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lrect.right -= 12; // UNDONE: remove this line when the clipping is working properly (scroll bars don't appear above other windows)
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return lrect;
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}
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void CFlexComboBox::DoSel()
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{
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if (m_bInSelMode)
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return;
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if (m_hWnd == NULL)
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return;
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FLEXLISTBOXCREATESTRUCT cs;
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cs.dwSize = sizeof(FLEXLISTBOXCREATESTRUCT);
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cs.dwFlags = m_dwListBoxFlags;
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cs.hWndParent = GetParent(m_hWnd);
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cs.hWndNotify = m_hWnd;
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cs.bVisible = FALSE;
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cs.rect = GetListBoxRect();
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cs.hFont = m_hFont;
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cs.rgbText = m_rgbText;
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cs.rgbBk = m_rgbBk;
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cs.rgbSelText = m_rgbSelText;
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cs.rgbSelBk = m_rgbSelBk;
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cs.rgbFill = m_rgbFill;
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cs.rgbLine = m_rgbLine;
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cs.nSBWidth = m_nSBWidth;
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m_OldSel = m_ListBox.GetSel();
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m_bInSelMode = m_ListBox.Create(&cs);
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if (m_bInSelMode)
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SetWindowPos(m_ListBox.m_hWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
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}
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void CFlexComboBox::Notify(int code)
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{
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if (!m_hWndNotify)
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return;
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SendMessage(m_hWndNotify, WM_FLEXCOMBOBOX,
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(WPARAM)code, (LPARAM)(LPVOID)this);
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}
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RECT CFlexComboBox::GetRect(const RECT &rect)
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{
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int h = GetTextHeight(m_hFont);
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RECT ret = {rect.left, rect.top, rect.right, rect.top + h + 2};
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return ret;
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}
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RECT CFlexComboBox::GetRect()
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{
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RECT rect;
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GetClientRect(&rect);
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return GetRect(rect);
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}
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void CFlexComboBox::SetFont(HFONT hFont)
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{
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m_hFont = hFont;
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if (m_hWnd == NULL)
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return;
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Invalidate();
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SetRect();
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}
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void CFlexComboBox::SetRect()
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{
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if (m_hWnd == NULL)
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return;
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RECT rect = GetRect();
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SetWindowPos(m_hWnd, NULL, rect.left, rect.top, rect.right, rect.bottom, SWP_NOZORDER | SWP_NOMOVE);
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}
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void CFlexComboBox::SetColors(COLORREF text, COLORREF bk, COLORREF seltext, COLORREF selbk, COLORREF fill, COLORREF line)
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{
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m_rgbText = text;
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m_rgbBk = bk;
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m_rgbSelText = seltext;
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m_rgbSelBk = selbk;
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m_rgbFill = fill;
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m_rgbLine = line;
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Invalidate();
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}
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void CFlexComboBox::StateEvent(FCBSTATEEVENT e)
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{
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if (e == FCBSE_DOWNOFF)
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{
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SetState(FCBS_CANCEL);
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return;
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}
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switch (m_eCurState)
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{
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case FCBS_CLOSED:
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if (e == FCBSE_DOWN)
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SetState(FCBS_OPENDOWN);
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break;
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case FCBS_OPENDOWN:
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switch (e)
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{
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case FCBSE_UPLIST:
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SetState(FCBS_SELECT);
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break;
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case FCBSE_UPBOX:
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SetState(FCBS_OPENUP);
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break;
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case FCBSE_UPOFF:
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SetState(FCBS_CANCEL);
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break;
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}
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case FCBS_OPENUP:
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if (e == FCBSE_DOWN)
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SetState(FCBS_OPENDOWN);
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break;
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default:
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assert(0);
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return;
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}
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}
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void CFlexComboBox::SetState(FCBSTATE s)
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{
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FCBSTATE eOldState = m_eCurState;
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m_eCurState = s;
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switch (s)
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{
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case FCBS_OPENUP:
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if (eOldState == FCBS_CLOSED)
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DoSel();
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return;
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case FCBS_OPENDOWN:
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if (eOldState == FCBS_CLOSED)
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DoSel();
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m_ListBox.StartSel();
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return;
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case FCBS_CANCEL:
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m_ListBox.SetSel(m_OldSel);
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CFlexWnd::s_ToolTip.SetEnable(FALSE);
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SetState(FCBS_CLOSED);
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return;
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case FCBS_SELECT:
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CFlexWnd::s_ToolTip.SetEnable(FALSE);
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Invalidate();
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Notify(FCBN_SELCHANGE);
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SetState(FCBS_CLOSED);
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return;
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case FCBS_CLOSED:
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if (eOldState != FCBS_CLOSED)
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m_ListBox.Destroy();
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m_bInSelMode = FALSE;
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Invalidate();
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return;
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}
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}
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