X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..e6733873f5bc5de9ef538533da786250de9dd9c7:/src/msw/slider95.cpp diff --git a/src/msw/slider95.cpp b/src/msw/slider95.cpp index fc1dd236c5..ef18937374 100644 --- a/src/msw/slider95.cpp +++ b/src/msw/slider95.cpp @@ -1,255 +1,362 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: slider95.cpp -// Purpose: wxSlider95, using the Win95 trackbar control +// Name: src/msw/slider.cpp +// Purpose: wxSlider, using the Win95 (and later) trackbar control // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart 1998 +// Vadim Zeitlin 2004 +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "slider95.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_SLIDER + +#include "wx/slider.h" + #ifndef WX_PRECOMP -#include -#include -#include + #include "wx/msw/wrapcctl.h" // include "properly" + #include "wx/brush.h" #endif -#ifdef __WIN95__ +#include "wx/msw/subwin.h" -#include "wx/msw/slider95.h" -#include "wx/msw/private.h" +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) -#include +// indices of labels in wxSlider::m_labels +enum +{ + SliderLabel_Min, + SliderLabel_Max, + SliderLabel_Value, + SliderLabel_Last +}; + +// the gap between the slider and the labels, in pixels +static const int HGAP = 5; + +// ---------------------------------------------------------------------------- +// XTI +// ---------------------------------------------------------------------------- + +#if wxUSE_EXTENDED_RTTI +WX_DEFINE_FLAGS( wxSliderStyle ) + +wxBEGIN_FLAGS( wxSliderStyle ) + // new style border flags, we put them first to + // use them for streaming out + wxFLAGS_MEMBER(wxBORDER_SIMPLE) + wxFLAGS_MEMBER(wxBORDER_SUNKEN) + wxFLAGS_MEMBER(wxBORDER_DOUBLE) + wxFLAGS_MEMBER(wxBORDER_RAISED) + wxFLAGS_MEMBER(wxBORDER_STATIC) + wxFLAGS_MEMBER(wxBORDER_NONE) + + // old style border flags + wxFLAGS_MEMBER(wxSIMPLE_BORDER) + wxFLAGS_MEMBER(wxSUNKEN_BORDER) + wxFLAGS_MEMBER(wxDOUBLE_BORDER) + wxFLAGS_MEMBER(wxRAISED_BORDER) + wxFLAGS_MEMBER(wxSTATIC_BORDER) + wxFLAGS_MEMBER(wxBORDER) + + // standard window styles + wxFLAGS_MEMBER(wxTAB_TRAVERSAL) + wxFLAGS_MEMBER(wxCLIP_CHILDREN) + wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) + wxFLAGS_MEMBER(wxWANTS_CHARS) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) + wxFLAGS_MEMBER(wxVSCROLL) + wxFLAGS_MEMBER(wxHSCROLL) + + wxFLAGS_MEMBER(wxSL_HORIZONTAL) + wxFLAGS_MEMBER(wxSL_VERTICAL) + wxFLAGS_MEMBER(wxSL_AUTOTICKS) + wxFLAGS_MEMBER(wxSL_LABELS) + wxFLAGS_MEMBER(wxSL_LEFT) + wxFLAGS_MEMBER(wxSL_TOP) + wxFLAGS_MEMBER(wxSL_RIGHT) + wxFLAGS_MEMBER(wxSL_BOTTOM) + wxFLAGS_MEMBER(wxSL_BOTH) + wxFLAGS_MEMBER(wxSL_SELRANGE) + wxFLAGS_MEMBER(wxSL_INVERSE) + +wxEND_FLAGS( wxSliderStyle ) + +IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/slider.h") + +wxBEGIN_PROPERTIES_TABLE(wxSlider) + wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent ) + wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent ) + + wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxSlider) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle ) +#else +IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl) #endif -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl) -#endif +// ============================================================================ +// wxSlider implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// construction +// ---------------------------------------------------------------------------- -// Slider -wxSlider95::wxSlider95() -{ - m_staticValue = 0; - m_staticMin = 0; - m_staticMax = 0; - m_pageSize = 1; - m_lineSize = 1; - m_rangeMax = 0; - m_rangeMin = 0; - m_tickFreq = 0; +void wxSlider::Init() +{ + m_labels = NULL; + + m_pageSize = 1; + m_lineSize = 1; + m_rangeMax = 0; + m_rangeMin = 0; + m_tickFreq = 0; + + m_isDragging = false; } -bool wxSlider95::Create(wxWindow *parent, wxWindowID id, - int value, int minValue, int maxValue, - const wxPoint& pos, - const wxSize& size, long style, - const wxValidator& validator, - const wxString& name) -{ - SetName(name); - SetValidator(validator); - - if (parent) parent->AddChild(this); - SetBackgroundColour(parent->GetBackgroundColour()) ; - SetForegroundColour(parent->GetForegroundColour()) ; - - m_staticValue = 0; - m_staticMin = 0; - m_staticMax = 0; - m_pageSize = 1; - m_lineSize = 1; - m_windowStyle = style; - m_tickFreq = 0; - - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - - long msStyle ; - - if ( m_windowStyle & wxSL_LABELS ) - { - msStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | SS_CENTER; - - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; - - m_staticValue = (WXHWND) CreateWindowEx(exStyle, T("STATIC"), NULL, - msStyle, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(), - wxGetInstance(), NULL); - - // Now create min static control - wxSprintf(wxBuffer, T("%d"), minValue); - m_staticMin = (WXHWND) CreateWindowEx(0, T("STATIC"), wxBuffer, - STATIC_FLAGS, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(), - wxGetInstance(), NULL); - } - - msStyle = 0; - if (m_windowStyle & wxSL_VERTICAL) - msStyle = TBS_VERT | WS_CHILD | WS_VISIBLE | WS_TABSTOP ; - else - msStyle = TBS_HORZ | WS_CHILD | WS_VISIBLE | WS_TABSTOP ; - - if ( m_windowStyle & wxSL_AUTOTICKS ) - msStyle |= TBS_AUTOTICKS ; - - if ( m_windowStyle & wxSL_LEFT ) - msStyle |= TBS_LEFT; - else if ( m_windowStyle & wxSL_RIGHT ) - msStyle |= TBS_RIGHT; - else if ( m_windowStyle & wxSL_TOP ) - msStyle |= TBS_TOP; - else if ( m_windowStyle & wxSL_BOTTOM ) - msStyle |= TBS_BOTTOM; - else if ( m_windowStyle & wxSL_BOTH ) - msStyle |= TBS_BOTH; - else if ( ! (m_windowStyle & wxSL_AUTOTICKS) ) - msStyle |= TBS_NOTICKS; - - if ( m_windowStyle & wxSL_SELRANGE ) - msStyle |= TBS_ENABLESELRANGE ; - - HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer, - msStyle, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); - - m_rangeMax = maxValue; - m_rangeMin = minValue; - - m_pageSize = (int)((maxValue-minValue)/10); - - ::SendMessage(scroll_bar, TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue)); - ::SendMessage(scroll_bar, TBM_SETPOS, TRUE, (LPARAM)value); - ::SendMessage(scroll_bar, TBM_SETPAGESIZE, 0, (LPARAM)m_pageSize); - - m_hWnd = (WXHWND)scroll_bar; - - SubclassWin(GetHWND()); - - SetWindowText((HWND) m_hWnd, T("")); - - SetFont(parent->GetFont()); - - if ( m_windowStyle & wxSL_LABELS ) - { - // Finally, create max value static item - wxSprintf(wxBuffer, T("%d"), maxValue); - m_staticMax = (WXHWND) CreateWindowEx(0, T("STATIC"), wxBuffer, - STATIC_FLAGS, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(), - wxGetInstance(), NULL); - - - if (GetFont().Ok()) - { - if (GetFont().GetResourceHandle()) +bool +wxSlider::Create(wxWindow *parent, + wxWindowID id, + int value, + int minValue, + int maxValue, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& validator, + const wxString& name) +{ + // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and + // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility + // reasons we can't really change it, instead try to infer the orientation + // from the flags given to us here + switch ( style & (wxSL_LEFT | wxSL_RIGHT | wxSL_TOP | wxSL_BOTTOM) ) + { + case wxSL_LEFT: + case wxSL_RIGHT: + style |= wxSL_VERTICAL; + break; + + case wxSL_TOP: + case wxSL_BOTTOM: + style |= wxSL_HORIZONTAL; + break; + + case 0: + // no specific direction, do we have at least the orientation? + if ( !(style & (wxSL_HORIZONTAL | wxSL_VERTICAL)) ) + { + // no, choose default + style |= wxSL_BOTTOM | wxSL_HORIZONTAL; + } + }; + + wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL), + _T("incompatible slider direction and orientation") ); + + + // initialize everything + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; + + // ensure that we have correct values for GetLabelsSize() + m_rangeMin = minValue; + m_rangeMax = maxValue; + + // create the labels first, so that our DoGetBestSize() could take them + // into account + // + // note that we could simply create 3 wxStaticTexts here but it could + // result in some observable side effects at wx level (e.g. the parent of + // wxSlider would have 3 more children than expected) and so we prefer not + // to do it like this + if ( m_windowStyle & wxSL_LABELS ) + { + m_labels = new wxSubwindows(SliderLabel_Last); + + HWND hwndParent = GetHwndOf(parent); + for ( size_t n = 0; n < SliderLabel_Last; n++ ) { - if ( m_staticMin ) - SendMessage((HWND)m_staticMin,WM_SETFONT, - (WPARAM)GetFont().GetResourceHandle(),0L); - if ( m_staticMax ) - SendMessage((HWND)m_staticMax,WM_SETFONT, - (WPARAM)GetFont().GetResourceHandle(),0L); - if (m_staticValue) - SendMessage((HWND)m_staticValue,WM_SETFONT, - (WPARAM)GetFont().GetResourceHandle(),0L); + (*m_labels)[n] = ::CreateWindow + ( + wxT("STATIC"), + NULL, + WS_CHILD | WS_VISIBLE | SS_CENTER, + 0, 0, 0, 0, + hwndParent, + (HMENU)NewControlId(), + wxGetInstance(), + NULL + ); } - } - } - SetSize(x, y, width, height); - SetValue(value); + m_labels->SetFont(GetFont()); + } + + // now create the main control too + if ( !MSWCreateControl(TRACKBAR_CLASS, wxEmptyString, pos, size) ) + return false; + + // and initialize everything + SetRange(minValue, maxValue); + SetValue(value); + SetPageSize((maxValue - minValue)/10); + + // we need to position the labels correctly if we have them and if + // SetSize() hadn't been called before (when best size was determined by + // MSWCreateControl()) as in this case they haven't been put in place yet + if ( m_labels && size.x != wxDefaultCoord && size.y != wxDefaultCoord ) + { + SetSize(size); + } + + return true; +} + +WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); + + // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity + msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ; + + if ( style & wxSL_BOTH ) + { + // this fully specifies the style combined with TBS_VERT/HORZ above + msStyle |= TBS_BOTH; + } + else // choose one direction + { + if ( style & wxSL_LEFT ) + msStyle |= TBS_LEFT; + else if ( style & wxSL_RIGHT ) + msStyle |= TBS_RIGHT; + else if ( style & wxSL_TOP ) + msStyle |= TBS_TOP; + else if ( style & wxSL_BOTTOM ) + msStyle |= TBS_BOTTOM; + } + + if ( style & wxSL_AUTOTICKS ) + msStyle |= TBS_AUTOTICKS; + else + msStyle |= TBS_NOTICKS; + + if ( style & wxSL_SELRANGE ) + msStyle |= TBS_ENABLESELRANGE; - return TRUE; + return msStyle; } -bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam, - WXWORD pos, WXHWND control) +wxSlider::~wxSlider() { - int position = 0; // Dummy - not used in this mode + delete m_labels; +} + +// ---------------------------------------------------------------------------- +// event handling +// ---------------------------------------------------------------------------- - int nScrollInc; - wxEventType scrollEvent = wxEVT_NULL; +bool wxSlider::MSWOnScroll(int WXUNUSED(orientation), + WXWORD wParam, + WXWORD WXUNUSED(pos), + WXHWND control) +{ + wxEventType scrollEvent; switch ( wParam ) { case SB_TOP: - nScrollInc = m_rangeMax - position; scrollEvent = wxEVT_SCROLL_TOP; break; case SB_BOTTOM: - nScrollInc = - position; scrollEvent = wxEVT_SCROLL_BOTTOM; break; case SB_LINEUP: - nScrollInc = - GetLineSize(); scrollEvent = wxEVT_SCROLL_LINEUP; break; case SB_LINEDOWN: - nScrollInc = GetLineSize(); scrollEvent = wxEVT_SCROLL_LINEDOWN; break; case SB_PAGEUP: - nScrollInc = -GetPageSize(); scrollEvent = wxEVT_SCROLL_PAGEUP; break; case SB_PAGEDOWN: - nScrollInc = GetPageSize(); scrollEvent = wxEVT_SCROLL_PAGEDOWN; break; case SB_THUMBTRACK: - case SB_THUMBPOSITION: -#ifdef __WIN32__ - nScrollInc = (signed short)pos - position; -#else // Win16 - nScrollInc = pos - position; -#endif // Win32/16 scrollEvent = wxEVT_SCROLL_THUMBTRACK; + m_isDragging = true; break; - default: - nScrollInc = 0; - } + case SB_THUMBPOSITION: + if ( m_isDragging ) + { + scrollEvent = wxEVT_SCROLL_THUMBRELEASE; + m_isDragging = false; + } + else + { + // this seems to only happen when the mouse wheel is used: in + // this case, as it might be unexpected to get THUMBRELEASE + // without preceding THUMBTRACKs, we don't generate it at all + // but generate CHANGED event because the control itself does + // not send us SB_ENDSCROLL for whatever reason when mouse + // wheel is used + scrollEvent = wxEVT_SCROLL_CHANGED; + } + break; - if ( nScrollInc == 0 ) - { - // no event... - return FALSE; + case SB_ENDSCROLL: + scrollEvent = wxEVT_SCROLL_CHANGED; + break; + + default: + // unknown scroll event? + return false; } - int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0); + int newPos = ValueInvertOrNot((int) ::SendMessage((HWND) control, TBM_GETPOS, 0, 0)); if ( (newPos < GetMin()) || (newPos > GetMax()) ) { // out of range - but we did process it - return TRUE; + return true; } SetValue(newPos); @@ -260,388 +367,320 @@ bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam, GetEventHandler()->ProcessEvent(event); wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() ); + cevent.SetInt( newPos ); cevent.SetEventObject( this ); return GetEventHandler()->ProcessEvent( cevent ); } -wxSlider95::~wxSlider95() +void wxSlider::Command (wxCommandEvent & event) { - if (m_staticMin) - DestroyWindow((HWND) m_staticMin); - if (m_staticMax) - DestroyWindow((HWND) m_staticMax); - if (m_staticValue) - DestroyWindow((HWND) m_staticValue); + SetValue (event.GetInt()); + ProcessCommand (event); } -int wxSlider95::GetValue() const +// ---------------------------------------------------------------------------- +// geometry stuff +// ---------------------------------------------------------------------------- + +wxRect wxSlider::GetBoundingBox() const { - return ::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0); + // take care not to call our own functions which would call us recursively + int x, y, w, h; + wxSliderBase::DoGetPosition(&x, &y); + wxSliderBase::DoGetSize(&w, &h); + + wxRect rect(x, y, w, h); + if ( m_labels ) + { + wxRect lrect = m_labels->GetBoundingBox(); + GetParent()->ScreenToClient(&lrect.x, &lrect.y); + rect.Union(lrect); + } + + return rect; } -void wxSlider95::SetValue(int value) +void wxSlider::DoGetSize(int *width, int *height) const { - ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value); - if (m_staticValue) - { - wxSprintf(wxBuffer, T("%d"), value); - SetWindowText((HWND) m_staticValue, wxBuffer); - } + wxRect rect = GetBoundingBox(); + + if ( width ) + *width = rect.width; + if ( height ) + *height = rect.height; } -void wxSlider95::GetSize(int *width, int *height) const +void wxSlider::DoGetPosition(int *x, int *y) const { - RECT rect; - rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1; + wxRect rect = GetBoundingBox(); - wxFindMaxSize(GetHWND(), &rect); + if ( x ) + *x = rect.x; + if ( y ) + *y = rect.y; +} - if (m_staticMin) - wxFindMaxSize(m_staticMin, &rect); - if (m_staticMax) - wxFindMaxSize(m_staticMax, &rect); - if (m_staticValue) - wxFindMaxSize(m_staticValue, &rect); +int wxSlider::GetLabelsSize(int *width) const +{ + int cy; - *width = rect.right - rect.left; - *height = rect.bottom - rect.top; -} + if ( width ) + { + // find the max label width + int wLabelMin, wLabelMax; + GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy); + GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy); + + *width = wxMax(wLabelMin, wLabelMax); + } + else + { + cy = GetCharHeight(); + } -void wxSlider95::GetPosition(int *x, int *y) const -{ - wxWindow *parent = GetParent(); - RECT rect; - rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1; - - wxFindMaxSize(GetHWND(), &rect); - - if (m_staticMin) - wxFindMaxSize(m_staticMin, &rect); - if (m_staticMax) - wxFindMaxSize(m_staticMax, &rect); - if (m_staticValue) - wxFindMaxSize(m_staticValue, &rect); - - // Since we now have the absolute screen coords, - // if there's a parent we must subtract its top left corner - POINT point; - point.x = rect.left; - point.y = rect.top; - if (parent) - ::ScreenToClient((HWND) parent->GetHWND(), &point); - - // We may be faking the client origin. - // So a window that's really at (0, 30) may appear - // (to wxWin apps) to be at (0, 0). - if (GetParent()) - { - wxPoint pt(GetParent()->GetClientAreaOrigin()); - point.x -= pt.x; - point.y -= pt.y; - } - *x = point.x; - *y = point.y; + return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); } -// TODO one day, make sense of all this horros and replace it with a readable -// DoGetBestSize() -void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags) +void wxSlider::DoMoveWindow(int x, int y, int width, int height) { - int x1 = x; - int y1 = y; - int w1 = width; - int h1 = height; - - int currentX, currentY; - GetPosition(¤tX, ¤tY); - if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - x1 = currentX; - if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - y1 = currentY; + // all complications below are because we need to position the labels, + // without them everything is easy + if ( !m_labels ) + { + wxSliderBase::DoMoveWindow(x, y, width, height); + return; + } - AdjustForParentClientOrigin(x1, y1, sizeFlags); + // be careful to position the slider itself after moving the labels as + // otherwise our GetBoundingBox(), which is called from WM_SIZE handler, + // would return a wrong result and wrong size would be cached internally + if ( HasFlag(wxSL_VERTICAL) ) + { + int wLabel; + int hLabel = GetLabelsSize(&wLabel); - wxChar buf[300]; + int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x; - int x_offset = x; - int y_offset = y; + // position all labels: min at the top, value in the middle and max at + // the bottom + DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], + xLabel, y, wLabel, hLabel); - int cx; // slider,min,max sizes - int cy; - int cyf; + DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], + xLabel, y + (height - hLabel)/2, wLabel, hLabel); - wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont()); + DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], + xLabel, y + height - hLabel, wLabel, hLabel); - if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL) - { - if ( m_windowStyle & wxSL_LABELS ) + // position the slider itself along the left/right edge + wxSliderBase::DoMoveWindow(HasFlag(wxSL_LEFT) ? x : x + wLabel + HGAP, + y + hLabel/2, + width - wLabel - HGAP, + height - hLabel); + } + else // horizontal { - int min_len = 0; + int wLabel; + int hLabel = GetLabelsSize(&wLabel); - GetWindowText((HWND) m_staticMin, buf, 300); - GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont()); + int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y; - int max_len = 0; + // position all labels: min on the left, value in the middle and max to + // the right + DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], + x, yLabel, wLabel, hLabel); - GetWindowText((HWND) m_staticMax, buf, 300); - GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont()); - if (m_staticValue) - { - int new_width = (int)(wxMax(min_len, max_len)); - int valueHeight = (int)cyf; -#ifdef __WIN32__ - // For some reason, under Win95, the text edit control has - // a lot of space before the first character - new_width += 3*cx; -#endif - // The height needs to be a bit bigger under Win95 if using native - // 3D effects. - valueHeight = (int) (valueHeight * 1.5) ; - MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE); - x_offset += new_width + cx; - } + DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], + x + (width - wLabel)/2, yLabel, wLabel, hLabel); - MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE); - x_offset += (int)(min_len + cx); + DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], + x + width - wLabel, yLabel, wLabel, hLabel); - int slider_length = (int)(w1 - x_offset - max_len - cx); + // position the slider itself along the top/bottom edge + wxSliderBase::DoMoveWindow(x, + HasFlag(wxSL_TOP) ? y : y + hLabel, + width, + height - hLabel); + } +} - int slider_height = h1; - if (slider_height < 0 ) - slider_height = 20; +wxSize wxSlider::DoGetBestSize() const +{ + // these values are arbitrary + static const int length = 100; + static const int thumb = 24; + static const int ticks = 8; + + int *width; + wxSize size; + if ( HasFlag(wxSL_VERTICAL) ) + { + size.x = thumb; + size.y = length; + width = &size.x; - // Slider must have a minimum/default length/height - if (slider_length < 100) - slider_length = 100; + if ( m_labels ) + { + int wLabel; + int hLabel = GetLabelsSize(&wLabel); - MoveWindow(GetHwnd(), x_offset, y_offset, slider_length, slider_height, TRUE); - x_offset += slider_length + cx; + // account for the labels + size.x += HGAP + wLabel; - MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE); + // labels are indented relative to the slider itself + size.y += hLabel; + } } - else + else // horizontal { - // No labels - // If we're prepared to use the existing size, then... - if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)) + size.x = length; + size.y = thumb; + width = &size.y; + + if ( m_labels ) { - GetSize(&w1, &h1); + // labels add extra height + size.y += GetLabelsSize(); } - if ( w1 < 0 ) - w1 = 200; - if ( h1 < 0 ) - h1 = 20; - MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE); } - } - else - { - if ( m_windowStyle & wxSL_LABELS ) - { - int min_len; - GetWindowText((HWND) m_staticMin, buf, 300); - GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont()); - - int max_len; - GetWindowText((HWND) m_staticMax, buf, 300); - GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont()); - if (m_staticValue) + // need extra space to show ticks + if ( HasFlag(wxSL_TICKS) ) { - int new_width = (int)(wxMax(min_len, max_len)); - int valueHeight = (int)cyf; -/*** Suggested change by George Tasker - remove this block... -#ifdef __WIN32__ - // For some reason, under Win95, the text edit control has - // a lot of space before the first character - new_width += 3*cx; -#endif - ... and replace with following line: */ - new_width += cx; - - // The height needs to be a bit bigger under Win95 if using native - // 3D effects. - valueHeight = (int) (valueHeight * 1.5) ; + *width += ticks; - MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE); - y_offset += valueHeight; + // and maybe twice as much if we show them on both sides + if ( HasFlag(wxSL_BOTH) ) + *width += ticks; } - MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE); - y_offset += cy; - - int slider_length = (int)(h1 - y_offset - cy - cy); + return size; +} - int slider_width = w1; - if (slider_width < 0 ) - slider_width = 20; +// ---------------------------------------------------------------------------- +// slider-specific methods +// ---------------------------------------------------------------------------- - // Slider must have a minimum/default length - if (slider_length < 100) - slider_length = 100; +int wxSlider::GetValue() const +{ + return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0)); +} - MoveWindow(GetHwnd(), x_offset, y_offset, slider_width, slider_length, TRUE); - y_offset += slider_length; +void wxSlider::SetValue(int value) +{ + ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value)); - MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE); - } - else + if ( m_labels ) { - // No labels - // If we're prepared to use the existing size, then... - if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)) - { - GetSize(&w1, &h1); - } - if ( w1 < 0 ) - w1 = 20; - if ( h1 < 0 ) - h1 = 200; - MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE); + ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value)); } - } } -void wxSlider95::SetRange(int minValue, int maxValue) +void wxSlider::SetRange(int minValue, int maxValue) { - m_rangeMin = minValue; - m_rangeMax = maxValue; + m_rangeMin = minValue; + m_rangeMax = maxValue; - ::SendMessage(GetHwnd(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue)); + ::SendMessage(GetHwnd(), TBM_SETRANGEMIN, TRUE, m_rangeMin); + ::SendMessage(GetHwnd(), TBM_SETRANGEMAX, TRUE, m_rangeMax); - wxChar buf[40]; - if ( m_staticMin ) - { - wxSprintf(buf, T("%d"), m_rangeMin); - SetWindowText((HWND) m_staticMin, buf); - } - - if ( m_staticMax ) - { - wxSprintf(buf, T("%d"), m_rangeMax); - SetWindowText((HWND) m_staticMax, buf); - } + if ( m_labels ) + { + ::SetWindowText((*m_labels)[SliderLabel_Min], Format(ValueInvertOrNot(m_rangeMin))); + ::SetWindowText((*m_labels)[SliderLabel_Max], Format(ValueInvertOrNot(m_rangeMax))); + } } -WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +void wxSlider::SetTickFreq(int n, int pos) { - if ( nCtlColor == CTLCOLOR_SCROLLBAR ) - return 0; - - // Otherwise, it's a static - if (GetParent()->GetTransparentBackground()) - SetBkMode((HDC) pDC, TRANSPARENT); - else - SetBkMode((HDC) pDC, OPAQUE); - - ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); - - wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); - return (WXHBRUSH) backgroundBrush->GetResourceHandle(); + m_tickFreq = n; + ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos ); } -// For trackbars only -void wxSlider95::SetTickFreq(int n, int pos) +void wxSlider::SetPageSize(int pageSize) { - m_tickFreq = n; - ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos ); + ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize ); + m_pageSize = pageSize; } -void wxSlider95::SetPageSize(int pageSize) +int wxSlider::GetPageSize() const { - ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize ); - m_pageSize = pageSize; + return m_pageSize; } -int wxSlider95::GetPageSize() const +void wxSlider::ClearSel() { - return m_pageSize; + ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0); } -void wxSlider95::ClearSel() +void wxSlider::ClearTicks() { - ::SendMessage( GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 ); + ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0); } -void wxSlider95::ClearTicks() +void wxSlider::SetLineSize(int lineSize) { - ::SendMessage( GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 ); + m_lineSize = lineSize; + ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize); } -void wxSlider95::SetLineSize(int lineSize) +int wxSlider::GetLineSize() const { - m_lineSize = lineSize; - ::SendMessage( GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize ); + return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0); } -int wxSlider95::GetLineSize() const +int wxSlider::GetSelEnd() const { - return (int) ::SendMessage( GetHwnd(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 ); + return (int)::SendMessage(GetHwnd(), TBM_GETSELEND, 0, 0); } -int wxSlider95::GetSelEnd() const +int wxSlider::GetSelStart() const { - return (int) ::SendMessage( GetHwnd(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 ); + return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0); } -int wxSlider95::GetSelStart() const +void wxSlider::SetSelection(int minPos, int maxPos) { - return (int) ::SendMessage( GetHwnd(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 ); + ::SendMessage(GetHwnd(), TBM_SETSEL, + (WPARAM) TRUE /* redraw */, + (LPARAM) MAKELONG( minPos, maxPos) ); } -void wxSlider95::SetSelection(int minPos, int maxPos) +void wxSlider::SetThumbLength(int len) { - ::SendMessage( GetHwnd(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) ); + ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0); } -void wxSlider95::SetThumbLength(int len) +int wxSlider::GetThumbLength() const { - ::SendMessage( GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 ); + return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0); } -int wxSlider95::GetThumbLength() const +void wxSlider::SetTick(int tickPos) { - return (int) ::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 ); + ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos ); } -void wxSlider95::SetTick(int tickPos) -{ - ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos ); -} +// ---------------------------------------------------------------------------- +// composite control methods +// ---------------------------------------------------------------------------- -bool wxSlider95::ContainsHWND(WXHWND hWnd) const +WXHWND wxSlider::GetStaticMin() const { - return ( hWnd == GetStaticMin() || hWnd == GetStaticMax() || hWnd == GetEditValue() ); + return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Min] : NULL; } -void wxSlider95::Command (wxCommandEvent & event) +WXHWND wxSlider::GetStaticMax() const { - SetValue (event.GetInt()); - ProcessCommand (event); + return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Max] : NULL; } -bool wxSlider95::Show(bool show) +WXHWND wxSlider::GetEditValue() const { - wxWindow::Show(show); - - int cshow; - if (show) - cshow = SW_SHOW; - else - cshow = SW_HIDE; - - if(m_staticValue) - ShowWindow((HWND) m_staticValue, (BOOL)cshow); - if(m_staticMin) - ShowWindow((HWND) m_staticMin, (BOOL)cshow); - if(m_staticMax) - ShowWindow((HWND) m_staticMax, (BOOL)cshow); - return TRUE; + return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Value] : NULL; } -#endif - // __WIN95__ +WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxSlider, wxSliderBase, m_labels) +#endif // wxUSE_SLIDER