/////////////////////////////////////////////////////////////////////////////
-// 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
+// Copyright: (c) Julian Smart 1998
+// Vadim Zeitlin 2004
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#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
-#ifndef WX_PRECOMP
-#include "wx/utils.h"
-#include "wx/brush.h"
#include "wx/slider.h"
+
+#ifndef WX_PRECOMP
+ #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_OLD__) && !defined(__CYGWIN10__))
- #include <commctrl.h>
-#endif
+// 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 )
wxFLAGS_MEMBER(wxSL_BOTTOM)
wxFLAGS_MEMBER(wxSL_BOTH)
wxFLAGS_MEMBER(wxSL_SELRANGE)
+ wxFLAGS_MEMBER(wxSL_INVERSE)
wxEND_FLAGS( wxSliderStyle )
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider95, wxControl,"wx/scrolbar.h")
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/slider.h")
-wxBEGIN_PROPERTIES_TABLE(wxSlider95)
- wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent )
+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_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
wxEND_PROPERTIES_TABLE()
-wxBEGIN_HANDLERS_TABLE(wxSlider95)
+wxBEGIN_HANDLERS_TABLE(wxSlider)
wxEND_HANDLERS_TABLE()
-wxCONSTRUCTOR_8( wxSlider95 , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle )
+wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle )
#else
-IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
#endif
-// Slider
-wxSlider95::wxSlider95()
+// ============================================================================
+// wxSlider implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// construction
+// ----------------------------------------------------------------------------
+
+void wxSlider::Init()
{
- m_staticValue = (WXHWND) NULL;
- m_staticMin = (WXHWND) NULL;
- m_staticMax = (WXHWND) NULL;
+ 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)
+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)
{
- // default is no border
- if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
- style |= wxBORDER_NONE;
-
- if ( !CreateBase(parent, id, pos, size, style, validator, name) )
- return false;
-
- if (parent) parent->AddChild(this);
-
- InheritAttributes();
-
- m_staticValue = (WXHWND) NULL;;
- m_staticMin = (WXHWND) NULL;;
- m_staticMax = (WXHWND) NULL;;
- m_pageSize = 1;
- m_lineSize = 1;
- m_windowStyle = style;
- m_tickFreq = 0;
-
- long msStyle = 0;
-
- if ( m_windowStyle & wxSL_LABELS )
+ // 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) )
{
- msStyle |= SS_CENTER;
-
- WXDWORD exStyle = 0;
- long valueStyle = m_windowStyle & ~wxBORDER_MASK;
- valueStyle |= wxBORDER_SUNKEN;
- msStyle |= MSWGetStyle(valueStyle, & exStyle) ;
-
- m_staticValue = (WXHWND) CreateWindowEx
- (
- exStyle, wxT("STATIC"), NULL,
- msStyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
- wxGetInstance(), NULL
- );
-
- // Now create min static control
- wxString minLabel;
- minLabel.Printf(wxT("%d"), minValue);
- long wstyle = STATIC_FLAGS;
- if ( m_windowStyle & wxCLIP_SIBLINGS )
- wstyle |= WS_CLIPSIBLINGS;
- m_staticMin = (WXHWND) CreateWindowEx
- (
- 0, wxT("STATIC"), minLabel,
- wstyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
- wxGetInstance(), NULL
- );
- }
-
- WXDWORD exStyle = 0;
+ case wxSL_LEFT:
+ case wxSL_RIGHT:
+ style |= wxSL_VERTICAL;
+ break;
- msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
+ case wxSL_TOP:
+ case wxSL_BOTTOM:
+ style |= wxSL_HORIZONTAL;
+ break;
- wxUnusedVar(msStyle);
+ 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;
+ }
+ };
- 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;
+ wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL),
+ _T("incompatible slider direction and orientation") );
- if ( m_windowStyle & wxSL_SELRANGE )
- msStyle |= TBS_ENABLESELRANGE;
- HWND scroll_bar = CreateWindowEx
- (
- exStyle, TRACKBAR_CLASS, wxEmptyString,
- msStyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
- wxGetInstance(), NULL
- );
+ // initialize everything
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
- m_rangeMax = maxValue;
+ // ensure that we have correct values for GetLabelsSize()
m_rangeMin = minValue;
+ m_rangeMax = maxValue;
- m_pageSize = (int)((maxValue-minValue)/10);
+ // 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);
- ::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);
+ HWND hwndParent = GetHwndOf(parent);
+ for ( size_t n = 0; n < SliderLabel_Last; n++ )
+ {
+ (*m_labels)[n] = ::CreateWindow
+ (
+ wxT("STATIC"),
+ NULL,
+ WS_CHILD | WS_VISIBLE | SS_CENTER,
+ 0, 0, 0, 0,
+ hwndParent,
+ (HMENU)NewControlId(),
+ wxGetInstance(),
+ NULL
+ );
+ }
- m_hWnd = (WXHWND)scroll_bar;
+ m_labels->SetFont(GetFont());
+ }
- SubclassWin(GetHWND());
+ // now create the main control too
+ if ( !MSWCreateControl(TRACKBAR_CLASS, wxEmptyString, pos, size) )
+ return false;
- ::SetWindowText((HWND) m_hWnd, wxEmptyString);
+ // and initialize everything
+ SetRange(minValue, maxValue);
+ SetValue(value);
+ SetPageSize((maxValue - minValue)/10);
- if ( m_windowStyle & wxSL_LABELS )
+ // 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 )
{
- // Finally, create max value static item
- wxString maxLabel;
- maxLabel.Printf(wxT("%d"), maxValue);
- long wstyle = STATIC_FLAGS;
-
- if ( m_windowStyle & wxCLIP_SIBLINGS )
- wstyle |= WS_CLIPSIBLINGS;
-
- m_staticMax = (WXHWND) CreateWindowEx
- (
- 0, wxT("STATIC"), maxLabel,
- wstyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
- wxGetInstance(), NULL
- );
+ SetSize(size);
+ }
+ return true;
+}
- if (GetFont().Ok())
- {
- if (GetFont().GetResourceHandle())
- {
- if ( m_staticMin )
- ::SendMessage((HWND) m_staticMin, WM_SETFONT,
- (WPARAM) GetFont().GetResourceHandle(), 0L);
+WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
- if ( m_staticMax )
- ::SendMessage((HWND) m_staticMax, WM_SETFONT,
- (WPARAM) GetFont().GetResourceHandle(), 0L);
+ // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity
+ msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ;
- if (m_staticValue)
- ::SendMessage((HWND) m_staticValue, WM_SETFONT,
- (WPARAM) GetFont().GetResourceHandle(), 0L);
- }
- }
+ 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;
}
- SetSize(pos.x, pos.y, size.x, size.y);
- SetValue(value);
+ if ( style & wxSL_AUTOTICKS )
+ msStyle |= TBS_AUTOTICKS;
+ else
+ msStyle |= TBS_NOTICKS;
- // SetInitialBestSize is not called since we don't call MSWCreateControl
- // for this control, so call SetBestSize here instead.
- SetBestSize(size);
+ if ( style & wxSL_SELRANGE )
+ msStyle |= TBS_ENABLESELRANGE;
- return true;
+ return msStyle;
+}
+
+wxSlider::~wxSlider()
+{
+ delete m_labels;
}
-bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
- WXWORD WXUNUSED(pos), WXHWND control)
+// ----------------------------------------------------------------------------
+// event handling
+// ----------------------------------------------------------------------------
+
+bool wxSlider::MSWOnScroll(int WXUNUSED(orientation),
+ WXWORD wParam,
+ WXWORD WXUNUSED(pos),
+ WXHWND control)
{
wxEventType scrollEvent;
switch ( wParam )
case SB_THUMBTRACK:
scrollEvent = wxEVT_SCROLL_THUMBTRACK;
+ m_isDragging = true;
break;
case SB_THUMBPOSITION:
- scrollEvent = wxEVT_SCROLL_THUMBRELEASE;
+ 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_ENDSCROLL;
+ scrollEvent = wxEVT_SCROLL_CHANGED;
break;
default:
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 GetEventHandler()->ProcessEvent( cevent );
}
-wxSlider95::~wxSlider95()
+void wxSlider::Command (wxCommandEvent & event)
{
- if (m_staticMin)
- {
- ::DestroyWindow((HWND) m_staticMin);
- m_staticMin = (WXHWND) NULL;
- }
-
- if (m_staticMax)
- {
- ::DestroyWindow((HWND) m_staticMax);
- m_staticMax = (WXHWND) NULL;
- }
-
- if (m_staticValue)
- {
- ::DestroyWindow((HWND) m_staticValue);
- m_staticValue = (WXHWND) NULL;
- }
+ SetValue (event.GetInt());
+ ProcessCommand (event);
}
-int wxSlider95::GetValue() const
-{
- return ::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0);
-}
+// ----------------------------------------------------------------------------
+// geometry stuff
+// ----------------------------------------------------------------------------
-void wxSlider95::SetValue(int value)
+wxRect wxSlider::GetBoundingBox() const
{
- ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
+ // 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);
- if (m_staticValue)
+ wxRect rect(x, y, w, h);
+ if ( m_labels )
{
- wxString str;
- str.Printf(wxT("%d"), value);
- ::SetWindowText((HWND) m_staticValue, str);
+ wxRect lrect = m_labels->GetBoundingBox();
+ GetParent()->ScreenToClient(&lrect.x, &lrect.y);
+ rect.Union(lrect);
}
+
+ return rect;
}
-void wxSlider95::DoGetSize(int *width, int *height) const
+void wxSlider::DoGetSize(int *width, int *height) const
{
- 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);
+ wxRect rect = GetBoundingBox();
if ( width )
- *width = rect.right - rect.left;
+ *width = rect.width;
if ( height )
- *height = rect.bottom - rect.top;
+ *height = rect.height;
}
-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;
- }
+void wxSlider::DoGetPosition(int *x, int *y) const
+{
+ wxRect rect = GetBoundingBox();
- *x = point.x;
- *y = point.y;
+ if ( x )
+ *x = rect.x;
+ if ( y )
+ *y = rect.y;
}
-// 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)
+int wxSlider::GetLabelsSize(int *width) const
{
- int x1 = x;
- int y1 = y;
- int w1 = width;
- int h1 = height;
-
- int currentX, currentY;
- GetPosition(¤tX, ¤tY);
- if (x == wxDefaultCoord && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- x1 = currentX;
- if (y == wxDefaultCoord && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- y1 = currentY;
-
- AdjustForParentClientOrigin(x1, y1, sizeFlags);
-
- wxChar buf[300];
-
- int x_offset = x;
- int y_offset = y;
-
- int cx; // slider,min,max sizes
int cy;
- int cyf;
-
- wxGetCharSize(GetHWND(), &cx, &cy, this->GetFont());
- if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
+ if ( width )
{
- if ( m_windowStyle & wxSL_LABELS )
- {
- int min_len = 0;
-
- ::GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf);
-
- int max_len = 0;
-
- ::GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf);
- 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;
- }
-
- ::MoveWindow((HWND) m_staticMin, x_offset, y_offset,
- (int) min_len, cy, TRUE);
- x_offset += (int)(min_len + cx);
-
- // slider_length = (total width available) - (width used so far)
- // - (width of max label) - (border)
- int slider_length = (int)(w1 - (x_offset-x) - max_len - cx);
-
- int slider_height = h1;
- if (slider_height < 0 )
- slider_height = 20;
-
- // Slider must have a minimum/default length/height
- if (slider_length < 100)
- slider_length = 100;
-
- ::MoveWindow(GetHwnd(), x_offset, y_offset,
- slider_length, slider_height, TRUE);
- x_offset += slider_length + cx;
+ // find the max label width
+ int wLabelMin, wLabelMax;
+ GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy);
+ GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy);
- ::MoveWindow((HWND) m_staticMax, x_offset, y_offset,
- (int) max_len, cy, TRUE);
- }
- else
- {
- // No labels
- // If we're prepared to use the existing size, then...
- if
- (
- width == wxDefaultCoord
- && height == wxDefaultCoord
- && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)
- )
- {
- GetSize(&w1, &h1);
- }
-
- if ( w1 < 0 )
- w1 = 100;
- if ( h1 < 0 )
- h1 = 20;
-
- ::MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
- }
+ *width = wxMax(wLabelMin, wLabelMax);
}
else
{
- if ( m_windowStyle & wxSL_LABELS )
- {
- int min_len;
- ::GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf);
+ cy = GetCharHeight();
+ }
- int max_len;
- ::GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf);
+ return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+}
- if (m_staticValue)
- {
- int new_width = (int)(wxMax(min_len, max_len));
- int valueHeight = (int)cyf;
- new_width += cx;
+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 )
+ {
+ wxSliderBase::DoMoveWindow(x, y, width, height);
+ return;
+ }
- // The height needs to be a bit bigger under Win95 if
- // using native 3D effects.
- valueHeight = (int) (valueHeight * 1.5) ;
+ // 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);
- ::MoveWindow((HWND) m_staticValue, x_offset, y_offset,
- new_width, valueHeight, TRUE);
- y_offset += valueHeight;
- }
+ int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x;
- ::MoveWindow((HWND) m_staticMin, x_offset, y_offset,
- (int) min_len, cy, TRUE);
- y_offset += cy;
+ // 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_length = (total height available) - (height used so far)
- // - (height of max label) - (border)
- int slider_length = (int)(h1 - (y_offset-y) - cy - cy);
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
+ xLabel, y + (height - hLabel)/2, wLabel, hLabel);
- int slider_width = w1;
- if (slider_width < 0 )
- slider_width = 20;
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
+ xLabel, y + height - hLabel, wLabel, hLabel);
- // Slider must have a minimum/default length
- if (slider_length < 100)
- slider_length = 100;
+ // 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 wLabel;
+ int hLabel = GetLabelsSize(&wLabel);
- ::MoveWindow(GetHwnd(), x_offset, y_offset,
- slider_width, slider_length, TRUE);
- y_offset += slider_length;
+ int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y;
- ::MoveWindow((HWND) m_staticMax, x_offset, y_offset,
- (int)max_len, cy, TRUE);
- }
- else
- {
- // No labels
- // If we're prepared to use the existing size, then...
- if
- (
- width == wxDefaultCoord && height == wxDefaultCoord
- && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)
- )
- {
- GetSize(&w1, &h1);
- }
+ // 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);
- if ( w1 < 0 )
- w1 = 20;
- if ( h1 < 0 )
- h1 = 100;
+ DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
+ x + (width - wLabel)/2, yLabel, wLabel, hLabel);
- ::MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
- }
+ 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);
}
}
-
-// A reimplementaion of the mess above changed a bit to just determine the min
-// size needed. It would certainly be nice to refactor this and DoSetSize
-// somehow.
-wxSize wxSlider95::DoGetBestSize() const
+wxSize wxSlider::DoGetBestSize() const
{
- wxSize rv;
- wxChar buf[300];
- int cx;
- int cy;
- int cyf;
- int min_len = 0;
- int max_len = 0;
-
- wxGetCharSize(GetHWND(), &cx, &cy, this->GetFont());
-
- if ( !HasFlag(wxSL_VERTICAL))
+ // 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) )
{
- rv = wxSize(100, 20); // default size for the slider itself
+ size.x = thumb;
+ size.y = length;
+ width = &size.x;
- if (HasFlag(wxSL_LABELS)) // do we need to add more for the labels?
+ if ( m_labels )
{
- ::GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf);
- rv.x += min_len + cx;
+ int wLabel;
+ int hLabel = GetLabelsSize(&wLabel);
- ::GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf);
- rv.x += max_len + cx;
+ // account for the labels
+ size.x += HGAP + wLabel;
- 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) ;
-
- rv.x += new_width + cx;
- rv.y = wxMax(valueHeight, rv.y);
- }
+ // labels are indented relative to the slider itself
+ size.y += hLabel;
}
}
- else // ! wxSL_HORIZONTAL
+ else // horizontal
{
- rv = wxSize(20, 100); // default size for the slider itself
+ size.x = length;
+ size.y = thumb;
+ width = &size.y;
- if (HasFlag(wxSL_LABELS)) // do we need to add more for the labels?
+ if ( m_labels )
{
- ::GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf);
- rv.y += cy;
+ // labels add extra height
+ size.y += GetLabelsSize();
+ }
+ }
- ::GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf);
- rv.y += cy;
+ // need extra space to show ticks
+ if ( HasFlag(wxSL_TICKS) )
+ {
+ *width += ticks;
- if (m_staticValue)
- {
- int new_width = (int)(wxMax(min_len, max_len));
- int valueHeight = (int)cyf;
- new_width += cx;
-
- // The height needs to be a bit bigger under Win95 if
- // using native 3D effects.
- valueHeight = (int) (valueHeight * 1.5) ;
- rv.y += valueHeight;
- rv.x = wxMax(new_width, rv.x);
- }
- }
+ // and maybe twice as much if we show them on both sides
+ if ( HasFlag(wxSL_BOTH) )
+ *width += ticks;
}
- return rv;
+
+ return size;
}
+// ----------------------------------------------------------------------------
+// slider-specific methods
+// ----------------------------------------------------------------------------
-void wxSlider95::SetRange(int minValue, int maxValue)
+int wxSlider::GetValue() const
{
- m_rangeMin = minValue;
- m_rangeMax = maxValue;
-
- ::SendMessage(GetHwnd(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
+ return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0));
+}
- wxChar buf[40];
- if ( m_staticMin )
- {
- wxSprintf(buf, wxT("%d"), m_rangeMin);
- ::SetWindowText((HWND) m_staticMin, buf);
- }
+void wxSlider::SetValue(int value)
+{
+ ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value));
- if ( m_staticMax )
+ if ( m_labels )
{
- wxSprintf(buf, wxT("%d"), m_rangeMax);
- ::SetWindowText((HWND) m_staticMax, buf);
+ ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value));
}
}
-WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+void wxSlider::SetRange(int minValue, int maxValue)
{
-#ifndef __WXWINCE__
- if ( nCtlColor == CTLCOLOR_SCROLLBAR )
- return 0;
-#else
- if ( nCtlColor != CTLCOLOR_STATIC )
- return 0;
-#endif
- // Otherwise, it's a static
- return wxControl::OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
+ 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)));
+ ::SetWindowText((*m_labels)[SliderLabel_Max], Format(ValueInvertOrNot(m_rangeMax)));
+ }
}
-// For trackbars only
-void wxSlider95::SetTickFreq(int n, int pos)
+void wxSlider::SetTickFreq(int n, int pos)
{
- m_tickFreq = n;
- ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
+ m_tickFreq = n;
+ ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
}
-void wxSlider95::SetPageSize(int pageSize)
+void wxSlider::SetPageSize(int pageSize)
{
- ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
- m_pageSize = pageSize;
+ ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
+ m_pageSize = pageSize;
}
-int wxSlider95::GetPageSize() const
+int wxSlider::GetPageSize() const
{
- return m_pageSize;
+ return m_pageSize;
}
-void wxSlider95::ClearSel()
+void wxSlider::ClearSel()
{
- ::SendMessage( GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
+ ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0);
}
-void wxSlider95::ClearTicks()
+void wxSlider::ClearTicks()
{
- ::SendMessage( GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
+ ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0);
}
-void wxSlider95::SetLineSize(int lineSize)
+void wxSlider::SetLineSize(int lineSize)
{
m_lineSize = lineSize;
- ::SendMessage( GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
+ ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize);
}
-int wxSlider95::GetLineSize() const
+int wxSlider::GetLineSize() const
{
- return (int) ::SendMessage( GetHwnd(), TBM_GETLINESIZE,
- (WPARAM) 0, (LPARAM) 0 );
+ return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0);
}
-int wxSlider95::GetSelEnd() const
+int wxSlider::GetSelEnd() const
{
- return (int) ::SendMessage( GetHwnd(), TBM_SETSELEND,
- (WPARAM) 0, (LPARAM) 0 );
+ return (int)::SendMessage(GetHwnd(), TBM_GETSELEND, 0, 0);
}
-int wxSlider95::GetSelStart() const
+int wxSlider::GetSelStart() const
{
- return (int) ::SendMessage( GetHwnd(), TBM_GETSELSTART,
- (WPARAM) 0, (LPARAM) 0 );
+ return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0);
}
-void wxSlider95::SetSelection(int minPos, int maxPos)
+void wxSlider::SetSelection(int minPos, int maxPos)
{
::SendMessage(GetHwnd(), TBM_SETSEL,
- (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
+ (WPARAM) TRUE /* redraw */,
+ (LPARAM) MAKELONG( minPos, maxPos) );
}
-void wxSlider95::SetThumbLength(int len)
+void wxSlider::SetThumbLength(int len)
{
- ::SendMessage( GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
+ ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0);
}
-int wxSlider95::GetThumbLength() const
+int wxSlider::GetThumbLength() const
{
- return (int) ::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH,
- (WPARAM) 0, (LPARAM) 0 );
+ return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0);
}
-void wxSlider95::SetTick(int tickPos)
+void wxSlider::SetTick(int tickPos)
{
- ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
+ ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
}
-bool wxSlider95::ContainsHWND(WXHWND hWnd) const
+// ----------------------------------------------------------------------------
+// composite control methods
+// ----------------------------------------------------------------------------
+
+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
projects / wxWidgets.git / blobdiff