Initial revision
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
247
src/gtk1/slider.cpp
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247
src/gtk1/slider.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: slider.cpp
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// Purpose:
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// Author: Robert Roebling
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// Created: 01/02/97
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// Id:
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// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "slider.h"
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#endif
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#include "wx/slider.h"
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#include "wx/utils.h"
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//-----------------------------------------------------------------------------
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// wxSlider
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//-----------------------------------------------------------------------------
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void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win )
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{
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/*
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printf( "OnScroll from " );
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if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
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printf( win->GetClassInfo()->GetClassName() );
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printf( ".\n" );
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*/
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if (!win->HasVMT()) return;
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float diff = win->m_adjust->value - win->m_oldPos;
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if (fabs(diff) < 0.2) return;
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int command = 0;
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float line_step = win->m_adjust->step_increment;
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float page_step = win->m_adjust->page_increment;
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if (fabs(diff-line_step) < 0.2) command = wxEVT_SCROLL_LINEDOWN;
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else if (fabs(diff+line_step) < 0.2) command = wxEVT_SCROLL_LINEUP;
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else if (fabs(diff-page_step) < 0.2) command = wxEVT_SCROLL_PAGEDOWN;
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else if (fabs(diff+page_step) < 0.2) command = wxEVT_SCROLL_PAGEUP;
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else command = wxEVT_SCROLL_THUMBTRACK;
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int value = (int)(win->m_adjust->value+0.5);
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int orient = wxHORIZONTAL;
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if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxHORIZONTAL;
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wxScrollEvent event( command, win->GetId(), value, orient );
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event.SetEventObject( win );
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win->ProcessEvent( event );
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wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() );
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cevent.SetEventObject( win );
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win->ProcessEvent( cevent );
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};
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IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl)
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wxSlider::wxSlider(void)
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{
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};
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wxSlider::wxSlider( wxWindow *parent, const wxWindowID id,
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const int value, const int minValue, const int maxValue,
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const wxPoint& pos, const wxSize& size,
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const long style,
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/* const wxValidator& validator = wxDefaultValidator, */
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const wxString& name )
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{
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Create( parent, id, value, minValue, maxValue,
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pos, size, style, name );
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};
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wxSlider::~wxSlider(void)
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{
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};
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bool wxSlider::Create(wxWindow *parent, const wxWindowID id,
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const int value, const int minValue, const int maxValue,
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const wxPoint& pos, const wxSize& size,
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const long style,
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/* const wxValidator& validator = wxDefaultValidator, */
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const wxString& name )
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{
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m_needParent = TRUE;
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PreCreation( parent, id, pos, size, style, name );
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m_oldPos = 0.0;
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if (style & wxSL_VERTICAL == wxSL_VERTICAL)
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m_widget = gtk_hscale_new( NULL );
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else
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m_widget = gtk_vscale_new( NULL );
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m_adjust = gtk_range_get_adjustment( GTK_RANGE(m_widget) );
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gtk_signal_connect (GTK_OBJECT (m_adjust), "value_changed",
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(GtkSignalFunc) gtk_slider_callback, (gpointer) this );
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SetRange( minValue, maxValue );
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SetValue( value );
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PostCreation();
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Show( TRUE );
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return TRUE;
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};
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int wxSlider::GetValue(void) const
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{
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return (int)(m_adjust->value+0.5);
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};
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void wxSlider::SetValue( const int value )
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{
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float fpos = (float)value;
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m_oldPos = fpos;
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if (fabs(fpos-m_adjust->value) < 0.2) return;
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m_adjust->value = fpos;
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gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
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};
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void wxSlider::SetRange( const int minValue, const int maxValue )
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{
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float fmin = (float)minValue;
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float fmax = (float)maxValue;
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if ((fabs(fmin-m_adjust->lower) < 0.2) &&
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(fabs(fmax-m_adjust->upper) < 0.2))
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return;
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m_adjust->lower = fmin;
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m_adjust->upper = fmax;
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gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
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};
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int wxSlider::GetMin(void) const
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{
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return (int)(m_adjust->lower+0.5);
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};
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int wxSlider::GetMax(void) const
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{
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return (int)(m_adjust->upper+0.5);
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};
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void wxSlider::SetPageSize( const int pageSize )
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{
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float fpage = (float)pageSize;
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if (fabs(fpage-m_adjust->page_increment) < 0.2) return;
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m_adjust->page_increment = fpage;
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gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
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};
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int wxSlider::GetPageSize(void) const
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{
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return (int)(m_adjust->page_increment+0.5);
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};
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void wxSlider::SetThumbLength( const int len )
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{
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float flen = (float)len;
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if (fabs(flen-m_adjust->page_size) < 0.2) return;
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m_adjust->page_size = flen;
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gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
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};
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int wxSlider::GetThumbLength(void) const
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{
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return (int)(m_adjust->page_size+0.5);
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};
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void wxSlider::SetLineSize( const int WXUNUSED(lineSize) )
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{
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};
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int wxSlider::GetLineSize(void) const
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{
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return 0;
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};
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// not supported in wxGTK (and GTK)
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void wxSlider::GetSize( int *x, int *y ) const
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{
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wxWindow::GetSize( x, y );
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};
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void wxSlider::SetSize( const int x, const int y, const int width, const int height, const int sizeFlags )
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{
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wxWindow::SetSize( x, y, width, height, sizeFlags );
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};
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void wxSlider::GetPosition( int *x, int *y ) const
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{
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wxWindow::GetPosition( x, y );
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};
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void wxSlider::SetTick( const int WXUNUSED(tickPos) )
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{
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};
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void wxSlider::SetTickFreq( const int WXUNUSED(n), const int WXUNUSED(pos) )
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{
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};
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int wxSlider::GetTickFreq(void) const
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{
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return 0;
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};
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void wxSlider::ClearTicks(void)
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{
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};
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void wxSlider::SetSelection( const int WXUNUSED(minPos), const int WXUNUSED(maxPos) )
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{
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};
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int wxSlider::GetSelEnd(void) const
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{
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return 0;
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};
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int wxSlider::GetSelStart(void) const
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{
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return 0;
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};
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void wxSlider::ClearSel(void)
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{
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};
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