ColorField::ColorField(color_mode mode, float fixed_value)
:
BControl("color field", "", new BMessage(MSG_COLOR_FIELD),
B_WILL_DRAW | B_FRAME_EVENTS),
fColorMode(mode),
fFixedValue(fixed_value),
fMarkerPosition(BPoint(0.0, 0.0)),
fLastMarkerPosition(BPoint(-1.0, -1.0)),
fMouseDown(false),
fUpdateThread(0),
fUpdatePort(0)
{
SetViewColor(B_TRANSPARENT_32_BIT);
SetExplicitMinSize(BSize(COLOR_FIELD_WIDTH, COLOR_FIELD_HEIGHT));
SetExplicitMaxSize(BSize(COLOR_FIELD_WIDTH, COLOR_FIELD_HEIGHT));
for (int i = 0; i < 2; ++i) {
fBgBitmap[i] = new BBitmap(COLOR_FIELD_RECT, B_RGB32, true, true);
fBgBitmap[i]->Lock();
fBgView[i] = new BView(COLOR_FIELD_RECT, "", B_FOLLOW_NONE, B_WILL_DRAW);
fBgBitmap[i]->AddChild(fBgView[i]);
fBgView[i]->SetOrigin(2.0, 2.0);
fBgBitmap[i]->Unlock();
}
_DrawBorder();
fUpdatePort = create_port(100, "color field update port");
fUpdateThread = spawn_thread(&ColorField::_UpdateThread,
"color field update thread", 10, this);
resume_thread(fUpdateThread);
}
// layout
BRect
ColorField::layout(BRect frame)
{
MoveTo(frame.LeftTop());
// reposition marker
fMarkerPosition.x *= (frame.Width() - 4.0) / (Bounds().Width() - 4.0);
fMarkerPosition.y *= (frame.Height() - 4.0) / (Bounds().Height() - 4.0);
ResizeTo(frame.Width(), frame.Height());
_DrawBorder();
Update(3);
return Frame();
}
void CChart2D::_DrawBackground(CDC *pDC)
{
if(memBkDC.GetSafeHdc() == NULL)
{
memBkDC.CreateCompatibleDC(pDC);
m_bkBitmap.CreateCompatibleBitmap(pDC, m_ctlRect.Width(), m_ctlRect.Height());
}
mp_oldBkBitmap = (CBitmap*)memBkDC.SelectObject(&m_bkBitmap);
_DrawBorder(&memBkDC);
_DrawAxis(&memBkDC);
_DrawGrid(&memBkDC);
_DrawGridLabel(&memBkDC);
_DrawChartTitle(&memBkDC);
}
// constructor
ColorField::ColorField(BPoint offset_point, selected_color_mode mode,
float fixed_value, orientation orient)
: BControl(BRect(0.0, 0.0, MAX_X + 4.0, MAX_Y + 4.0).OffsetToCopy(offset_point),
"ColorField", "", new BMessage(MSG_COLOR_FIELD),
B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_FRAME_EVENTS),
fMode(mode),
fFixedValue(fixed_value),
fOrientation(orient),
fMarkerPosition(0.0, 0.0),
fLastMarkerPosition(-1.0, -1.0),
fMouseDown(false),
fUpdateThread(B_ERROR),
fUpdatePort(B_ERROR)
{
SetViewColor(B_TRANSPARENT_32_BIT);
for (int i = 0; i < 2; ++i) {
fBgBitmap[i] = new BBitmap(Bounds(), B_RGB32, true);
fBgBitmap[i]->Lock();
fBgView[i] = new BView(Bounds(), "", B_FOLLOW_NONE, B_WILL_DRAW);
fBgBitmap[i]->AddChild(fBgView[i]);
fBgView[i]->SetOrigin(2.0, 2.0);
fBgBitmap[i]->Unlock();
}
_DrawBorder();
fUpdatePort = create_port(100, "color field update port");
fUpdateThread = spawn_thread(ColorField::_UpdateThread,
"color field update thread", 10, this);
resume_thread(fUpdateThread);
// Update(3);
}
LRESULT CALLBACK CCandidateWindow::_WindowProcCallback(_In_ HWND wndHandle, UINT uMsg, _In_ WPARAM wParam, _In_ LPARAM lParam)
{
switch (uMsg)
{
case WM_CREATE:
{
HDC dcHandle = nullptr;
dcHandle = GetDC(wndHandle);
if (dcHandle)
{
HFONT hFontOld = (HFONT)SelectObject(dcHandle, Global::defaultlFontHandle);
GetTextMetrics(dcHandle, &_TextMetric);
_cxTitle = _TextMetric.tmMaxCharWidth * _wndWidth;
SelectObject(dcHandle, hFontOld);
ReleaseDC(wndHandle, dcHandle);
}
}
return 0;
case WM_DESTROY:
_DeleteShadowWnd();
return 0;
case WM_WINDOWPOSCHANGED:
{
WINDOWPOS* pWndPos = (WINDOWPOS*)lParam;
// move shadow
if (_pShadowWnd)
{
_pShadowWnd->_OnOwnerWndMoved((pWndPos->flags & SWP_NOSIZE) == 0);
}
// move v-scroll
if (_pVScrollBarWnd)
{
_pVScrollBarWnd->_OnOwnerWndMoved((pWndPos->flags & SWP_NOSIZE) == 0);
}
_FireMessageToLightDismiss(wndHandle, pWndPos);
}
break;
case WM_WINDOWPOSCHANGING:
{
WINDOWPOS* pWndPos = (WINDOWPOS*)lParam;
// show/hide shadow
if (_pShadowWnd)
{
if ((pWndPos->flags & SWP_HIDEWINDOW) != 0)
{
_pShadowWnd->_Show(FALSE);
}
// don't go behaind of shadow
if (((pWndPos->flags & SWP_NOZORDER) == 0) && (pWndPos->hwndInsertAfter == _pShadowWnd->_GetWnd()))
{
pWndPos->flags |= SWP_NOZORDER;
}
_pShadowWnd->_OnOwnerWndMoved((pWndPos->flags & SWP_NOSIZE) == 0);
}
// show/hide v-scroll
if (_pVScrollBarWnd)
{
if ((pWndPos->flags & SWP_HIDEWINDOW) != 0)
{
_pVScrollBarWnd->_Show(FALSE);
}
_pVScrollBarWnd->_OnOwnerWndMoved((pWndPos->flags & SWP_NOSIZE) == 0);
}
}
break;
case WM_SHOWWINDOW:
// show/hide shadow
if (_pShadowWnd)
{
_pShadowWnd->_Show((BOOL)wParam);
}
// show/hide v-scroll
if (_pVScrollBarWnd)
{
_pVScrollBarWnd->_Show((BOOL)wParam);
}
break;
case WM_PAINT:
{
HDC dcHandle = nullptr;
PAINTSTRUCT ps;
dcHandle = BeginPaint(wndHandle, &ps);
_OnPaint(dcHandle, &ps);
_DrawBorder(wndHandle, CANDWND_BORDER_WIDTH*2);
EndPaint(wndHandle, &ps);
}
return 0;
case WM_SETCURSOR:
{
POINT cursorPoint;
GetCursorPos(&cursorPoint);
MapWindowPoints(NULL, wndHandle, &cursorPoint, 1);
// handle mouse message
_HandleMouseMsg(HIWORD(lParam), cursorPoint);
}
return 1;
case WM_MOUSEMOVE:
case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
{
POINT point;
POINTSTOPOINT(point, MAKEPOINTS(lParam));
// handle mouse message
_HandleMouseMsg(uMsg, point);
}
// we processes this message, it should return zero.
return 0;
case WM_MOUSEACTIVATE:
{
WORD mouseEvent = HIWORD(lParam);
if (mouseEvent == WM_LBUTTONDOWN ||
mouseEvent == WM_RBUTTONDOWN ||
mouseEvent == WM_MBUTTONDOWN)
{
return MA_NOACTIVATE;
}
}
break;
case WM_POINTERACTIVATE:
return PA_NOACTIVATE;
case WM_VSCROLL:
_OnVScroll(LOWORD(wParam), HIWORD(wParam));
return 0;
}
return DefWindowProc(wndHandle, uMsg, wParam, lParam);
}
