/////////////////////////////////////////////////////////////////////////////
-// 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 <stdio.h>
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "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__)
-#include <commctrl.h>
+// 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)
+// ============================================================================
+// wxSlider implementation
+// ============================================================================
-#if WXWIN_COMPATIBILITY
-BEGIN_EVENT_TABLE(wxSlider95, wxControl)
- EVT_SCROLL(wxSlider95::OnScroll)
-END_EVENT_TABLE()
-#endif
+// ----------------------------------------------------------------------------
+// construction
+// ----------------------------------------------------------------------------
-#endif
+void wxSlider::Init()
+{
+ m_labels = NULL;
-// Slider
-wxSlider95::wxSlider95(void)
-{
- m_staticValue = 0;
- m_staticMin = 0;
- m_staticMax = 0;
- m_pageSize = 1;
- m_lineSize = 1;
- m_rangeMax = 0;
- m_rangeMin = 0;
- m_tickFreq = 0;
+ 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, "STATIC", NULL,
- msStyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
- wxGetInstance(), NULL);
-
- // Now create min static control
- sprintf(wxBuffer, "%d", minValue);
- m_staticMin = (WXHWND) CreateWindowEx(0, "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, "");
-
- SetFont(* parent->GetFont());
-
- if ( m_windowStyle & wxSL_LABELS )
- {
- // Finally, create max value static item
- sprintf(wxBuffer, "%d", maxValue);
- m_staticMax = (WXHWND) CreateWindowEx(0, "STATIC", wxBuffer,
- STATIC_FLAGS,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
- wxGetInstance(), NULL);
-
-
- if (GetFont())
- {
-// GetFont()->RealizeResource();
- 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);
+ wxWindowIDRef lblid = NewControlId();
+
+ HWND wnd = ::CreateWindow
+ (
+ wxT("STATIC"),
+ NULL,
+ WS_CHILD | WS_VISIBLE | SS_CENTER,
+ 0, 0, 0, 0,
+ hwndParent,
+ (HMENU)lblid.GetValue(),
+ wxGetInstance(),
+ NULL
+ );
+
+ m_labels->Set(n, wnd, lblid);
}
- }
- }
- 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;
+ return true;
}
-void wxSlider95::MSWOnVScroll(WXWORD wParam, WXWORD pos, WXHWND control)
+WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const
{
- int position = 0; // Dummy - not used in this mode
+ WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
- int nScrollInc;
- wxEventType scrollEvent = wxEVT_NULL;
- 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
- nScrollInc = pos - position;
-#endif
- scrollEvent = wxEVT_SCROLL_THUMBTRACK;
- break;
+ // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity
+ msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ;
- default:
- nScrollInc = 0;
- return;
+ 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;
+ }
- int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
- if (!(newPos < GetMin() || newPos > GetMax()))
- {
- SetValue(newPos);
+ if ( style & wxSL_AUTOTICKS )
+ msStyle |= TBS_AUTOTICKS;
+ else
+ msStyle |= TBS_NOTICKS;
- wxScrollEvent event(scrollEvent, m_windowId);
- event.SetPosition(newPos);
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent(event);
- }
- }
-}
+ if ( style & wxSL_SELRANGE )
+ msStyle |= TBS_ENABLESELRANGE;
-void wxSlider95::MSWOnHScroll(WXWORD wParam, WXWORD pos, WXHWND control)
-{
- MSWOnVScroll(wParam, pos, control);
+ return msStyle;
}
-wxSlider95::~wxSlider95(void)
+wxSlider::~wxSlider()
{
- if (m_staticMin)
- DestroyWindow((HWND) m_staticMin);
- if (m_staticMax)
- DestroyWindow((HWND) m_staticMax);
- if (m_staticValue)
- DestroyWindow((HWND) m_staticValue);
+ delete m_labels;
}
-int wxSlider95::GetValue(void) const
-{
- return ::SendMessage((HWND) GetHWND(), TBM_GETPOS, 0, 0);
-}
+// ----------------------------------------------------------------------------
+// event handling
+// ----------------------------------------------------------------------------
-void wxSlider95::SetValue(int value)
+bool wxSlider::MSWOnScroll(int WXUNUSED(orientation),
+ WXWORD wParam,
+ WXWORD WXUNUSED(pos),
+ WXHWND control)
{
- ::SendMessage((HWND) GetHWND(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
- if (m_staticValue)
- {
- sprintf(wxBuffer, "%d", value);
- SetWindowText((HWND) m_staticValue, wxBuffer);
- }
-}
+ wxEventType scrollEvent;
+ switch ( wParam )
+ {
+ case SB_TOP:
+ scrollEvent = wxEVT_SCROLL_TOP;
+ break;
+
+ case SB_BOTTOM:
+ scrollEvent = wxEVT_SCROLL_BOTTOM;
+ break;
+
+ case SB_LINEUP:
+ scrollEvent = wxEVT_SCROLL_LINEUP;
+ break;
+
+ case SB_LINEDOWN:
+ scrollEvent = wxEVT_SCROLL_LINEDOWN;
+ break;
+
+ case SB_PAGEUP:
+ scrollEvent = wxEVT_SCROLL_PAGEUP;
+ break;
+
+ case SB_PAGEDOWN:
+ scrollEvent = wxEVT_SCROLL_PAGEDOWN;
+ break;
+
+ case SB_THUMBTRACK:
+ scrollEvent = wxEVT_SCROLL_THUMBTRACK;
+ m_isDragging = true;
+ break;
+
+ 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;
+
+ case SB_ENDSCROLL:
+ scrollEvent = wxEVT_SCROLL_CHANGED;
+ break;
+
+ default:
+ // unknown scroll event?
+ return false;
+ }
-void wxSlider95::GetSize(int *width, int *height) const
-{
- RECT rect;
- rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
+ 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;
+ }
+
+ SetValue(newPos);
- wxFindMaxSize(GetHWND(), &rect);
+ wxScrollEvent event(scrollEvent, m_windowId);
+ event.SetPosition(newPos);
+ event.SetEventObject( this );
+ HandleWindowEvent(event);
- if (m_staticMin)
- wxFindMaxSize(m_staticMin, &rect);
- if (m_staticMax)
- wxFindMaxSize(m_staticMax, &rect);
- if (m_staticValue)
- wxFindMaxSize(m_staticValue, &rect);
+ wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
+ cevent.SetInt( newPos );
+ cevent.SetEventObject( this );
- *width = rect.right - rect.left;
- *height = rect.bottom - rect.top;
+ return HandleWindowEvent( cevent );
}
-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;
+void wxSlider::Command (wxCommandEvent & event)
+{
+ SetValue (event.GetInt());
+ ProcessCommand (event);
}
-void wxSlider95::SetSize(int x, int y, int width, int height, int sizeFlags)
+// ----------------------------------------------------------------------------
+// geometry stuff
+// ----------------------------------------------------------------------------
+
+wxRect wxSlider::GetBoundingBox() const
{
- int x1 = x;
- int y1 = y;
- int w1 = width;
- int h1 = height;
+ // 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);
- 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;
+ wxRect rect(x, y, w, h);
+ if ( m_labels )
+ {
+ wxRect lrect = m_labels->GetBoundingBox();
+ GetParent()->ScreenToClient(&lrect.x, &lrect.y);
+ rect.Union(lrect);
+ }
- AdjustForParentClientOrigin(x1, y1, sizeFlags);
+ return rect;
+}
- char buf[300];
+void wxSlider::DoGetSize(int *width, int *height) const
+{
+ wxRect rect = GetBoundingBox();
- int x_offset = x;
- int y_offset = y;
+ if ( width )
+ *width = rect.width;
+ if ( height )
+ *height = rect.height;
+}
- int cx; // slider,min,max sizes
- int cy;
- int cyf;
+void wxSlider::DoGetPosition(int *x, int *y) const
+{
+ wxRect rect = GetBoundingBox();
+
+ if ( x )
+ *x = rect.x;
+ if ( y )
+ *y = rect.y;
+}
- wxGetCharSize(GetHWND(), &cx, &cy,GetFont());
+int wxSlider::GetLabelsSize(int *width) const
+{
+ int cy;
- if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
- {
- if ( m_windowStyle & wxSL_LABELS )
- {
- int min_len = 0;
+ if ( width )
+ {
+ // find the max label width
+ int wLabelMin, wLabelMax;
+ GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy);
+ GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy);
- GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf,NULL,NULL, GetFont());
+ *width = wxMax(wLabelMin, wLabelMax);
+ }
+ else
+ {
+ cy = GetCharHeight();
+ }
- int max_len = 0;
+ return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+}
- GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf,NULL,NULL, GetFont());
- if (m_staticValue)
+void wxSlider::DoMoveWindow(int x, int y, int width, int height)
+{
+ // all complications below are because we need to position the labels,
+ // without them everything is easy
+ if ( !m_labels )
{
- 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;
+ wxSliderBase::DoMoveWindow(x, y, width, height);
+ return;
}
- MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
- x_offset += (int)(min_len + cx);
+ // 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);
- int slider_length = (int)(w1 - x_offset - max_len - cx);
+ int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x;
- int slider_height = h1;
- if (slider_height < 0 )
- slider_height = 20;
+ // 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);
- // Slider must have a minimum/default length/height
- if (slider_length < 100)
- slider_length = 100;
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
+ xLabel, y + (height - hLabel)/2, wLabel, hLabel);
- MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_length, slider_height, TRUE);
- x_offset += slider_length + cx;
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
+ xLabel, y + height - hLabel, wLabel, hLabel);
- MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
+ // 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
- {
- // 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 = 200;
- if ( h1 < 0 )
- h1 = 20;
- MoveWindow((HWND) 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,GetFont());
-
- int max_len;
- GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf,NULL,NULL, GetFont());
-
- if (m_staticValue)
+ else // horizontal
{
- 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;
+ int wLabel;
+ int hLabel = GetLabelsSize(&wLabel);
- // The height needs to be a bit bigger under Win95 if using native
- // 3D effects.
- valueHeight = (int) (valueHeight * 1.5) ;
+ int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y;
- MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
- y_offset += valueHeight;
- }
+ // 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);
- MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
- y_offset += cy;
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
+ x + (width - wLabel)/2, yLabel, wLabel, hLabel);
- int slider_length = (int)(h1 - y_offset - cy - cy);
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
+ x + width - wLabel, yLabel, wLabel, hLabel);
+
+ // position the slider itself along the top/bottom edge
+ wxSliderBase::DoMoveWindow(x,
+ HasFlag(wxSL_TOP) ? y : y + hLabel,
+ width,
+ height - hLabel);
+ }
+}
- int slider_width = w1;
- if (slider_width < 0 )
- slider_width = 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
- if (slider_length < 100)
- slider_length = 100;
+ if ( m_labels )
+ {
+ int wLabel;
+ int hLabel = GetLabelsSize(&wLabel);
- MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_width, slider_length, TRUE);
- y_offset += slider_length;
+ // 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
- {
- // 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((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
- }
- }
-}
+ else // horizontal
+ {
+ size.x = length;
+ size.y = thumb;
+ width = &size.y;
-void wxSlider95::SetRange(int minValue, int maxValue)
-{
- m_rangeMin = minValue;
- m_rangeMax = maxValue;
+ if ( m_labels )
+ {
+ // labels add extra height
+ size.y += GetLabelsSize();
+ }
+ }
- ::SendMessage((HWND) GetHWND(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
+ // need extra space to show ticks
+ if ( HasFlag(wxSL_TICKS) )
+ {
+ *width += ticks;
- char buf[40];
- if ( m_staticMin )
- {
- sprintf(buf, "%d", m_rangeMin);
- SetWindowText((HWND) m_staticMin, buf);
- }
+ // and maybe twice as much if we show them on both sides
+ if ( HasFlag(wxSL_BOTH) )
+ *width += ticks;
+ }
- if ( m_staticMax )
- {
- sprintf(buf, "%d", m_rangeMax);
- SetWindowText((HWND) m_staticMax, buf);
- }
+ return size;
}
-WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
-{
- if ( nCtlColor == CTLCOLOR_SCROLLBAR )
- return 0;
+// ----------------------------------------------------------------------------
+// slider-specific methods
+// ----------------------------------------------------------------------------
- // Otherwise, it's a static
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
+int wxSlider::GetValue() const
+{
+ return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0));
+}
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+void wxSlider::SetValue(int value)
+{
+ ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value));
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+ if ( m_labels )
+ {
+ ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value).wx_str());
+ }
}
-// For trackbars only
-void wxSlider95::SetTickFreq(int n, int pos)
+void wxSlider::SetRange(int minValue, int maxValue)
{
- m_tickFreq = n;
- ::SendMessage( (HWND) GetHWND(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
+ m_rangeMin = minValue;
+ m_rangeMax = maxValue;
+
+ ::SendMessage(GetHwnd(), TBM_SETRANGEMIN, TRUE, m_rangeMin);
+ ::SendMessage(GetHwnd(), TBM_SETRANGEMAX, TRUE, m_rangeMax);
+
+ if ( m_labels )
+ {
+ ::SetWindowText((*m_labels)[SliderLabel_Min],
+ Format(ValueInvertOrNot(m_rangeMin)).wx_str());
+ ::SetWindowText((*m_labels)[SliderLabel_Max],
+ Format(ValueInvertOrNot(m_rangeMax)).wx_str());
+ }
}
-void wxSlider95::SetPageSize(int pageSize)
+void wxSlider::SetTickFreq(int n, int pos)
{
- ::SendMessage( (HWND) GetHWND(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
- m_pageSize = pageSize;
+ m_tickFreq = n;
+ ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
}
-int wxSlider95::GetPageSize(void) const
+void wxSlider::SetPageSize(int pageSize)
{
- return m_pageSize;
+ ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
+ m_pageSize = pageSize;
}
-void wxSlider95::ClearSel(void)
+int wxSlider::GetPageSize() const
{
- ::SendMessage( (HWND) GetHWND(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
+ return m_pageSize;
}
-void wxSlider95::ClearTicks(void)
+void wxSlider::ClearSel()
{
- ::SendMessage( (HWND) GetHWND(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
+ ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0);
}
-void wxSlider95::SetLineSize(int lineSize)
+void wxSlider::ClearTicks()
{
- m_lineSize = lineSize;
- ::SendMessage( (HWND) GetHWND(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
+ ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0);
}
-int wxSlider95::GetLineSize(void) const
+void wxSlider::SetLineSize(int lineSize)
{
- return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
+ m_lineSize = lineSize;
+ ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize);
}
-int wxSlider95::GetSelEnd(void) const
+int wxSlider::GetLineSize() const
{
- return (int) ::SendMessage( (HWND) GetHWND(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
+ return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0);
}
-int wxSlider95::GetSelStart(void) const
+int wxSlider::GetSelEnd() const
{
- return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
+ return (int)::SendMessage(GetHwnd(), TBM_GETSELEND, 0, 0);
}
-void wxSlider95::SetSelection(int minPos, int maxPos)
+int wxSlider::GetSelStart() const
{
- ::SendMessage( (HWND) GetHWND(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
+ return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0);
}
-void wxSlider95::SetThumbLength(int len)
+void wxSlider::SetSelection(int minPos, int maxPos)
{
- ::SendMessage( (HWND) GetHWND(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
+ ::SendMessage(GetHwnd(), TBM_SETSEL,
+ (WPARAM) TRUE /* redraw */,
+ (LPARAM) MAKELONG( minPos, maxPos) );
}
-int wxSlider95::GetThumbLength(void) const
+void wxSlider::SetThumbLength(int len)
{
- return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
+ ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0);
}
-void wxSlider95::SetTick(int tickPos)
+int wxSlider::GetThumbLength() const
{
- ::SendMessage( (HWND) GetHWND(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
+ return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0);
}
-bool wxSlider95::ContainsHWND(WXHWND hWnd) const
+void wxSlider::SetTick(int tickPos)
{
- return ( hWnd == GetStaticMin() || hWnd == GetStaticMax() || hWnd == GetEditValue() );
+ ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
}
-#if WXWIN_COMPATIBILITY
-// Backward compatibility
-void wxSlider95::OnScroll(wxScrollEvent& event)
+// ----------------------------------------------------------------------------
+// composite control methods
+// ----------------------------------------------------------------------------
+
+WXHWND wxSlider::GetStaticMin() const
{
- wxEventType oldEvent = event.GetEventType();
- event.SetEventType( wxEVT_COMMAND_SLIDER_UPDATED );
- if ( !GetEventHandler()->ProcessEvent(event) )
- {
- event.SetEventType( oldEvent );
- if (!GetParent()->GetEventHandler()->ProcessEvent(event))
- event.Skip();
- }
+ return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Min] : NULL;
}
-#endif
-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
projects / wxWidgets.git / blobdiff