X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7798a18ec81d3733082bc60a958fac1d4510faca..c19a8a9a7187281b757808e651358198352b8f11:/src/gtk1/scrolbar.cpp diff --git a/src/gtk1/scrolbar.cpp b/src/gtk1/scrolbar.cpp index 9a0098b3bd..32a9168bc2 100644 --- a/src/gtk1/scrolbar.cpp +++ b/src/gtk1/scrolbar.cpp @@ -2,9 +2,8 @@ // Name: scrolbar.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -15,21 +14,23 @@ #include "wx/scrolbar.h" #include "wx/utils.h" +#include //----------------------------------------------------------------------------- -// wxScrollBar +// data +//----------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnScroll; + +//----------------------------------------------------------------------------- +// "value_changed" //----------------------------------------------------------------------------- -void gtk_scrollbar_callback( GtkWidget *WXUNUSED(widget), wxScrollBar *win ) +static void gtk_scrollbar_callback( GtkWidget *WXUNUSED(widget), wxScrollBar *win ) { -/* - printf( "OnScroll from " ); - if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) - printf( win->GetClassInfo()->GetClassName() ); - printf( ".\n" ); -*/ - if (!win->HasVMT()) return; + if (g_blockEventsOnDrag) return; float diff = win->m_adjust->value - win->m_oldPos; if (fabs(diff) < 0.2) return; @@ -39,133 +40,188 @@ void gtk_scrollbar_callback( GtkWidget *WXUNUSED(widget), wxScrollBar *win ) float line_step = win->m_adjust->step_increment; float page_step = win->m_adjust->page_increment; - if (fabs(diff-line_step) < 0.2) command = wxEVT_SCROLL_LINEDOWN; - else if (fabs(diff+line_step) < 0.2) command = wxEVT_SCROLL_LINEUP; - else if (fabs(diff-page_step) < 0.2) command = wxEVT_SCROLL_PAGEDOWN; - else if (fabs(diff+page_step) < 0.2) command = wxEVT_SCROLL_PAGEUP; - else command = wxEVT_SCROLL_THUMBTRACK; + if (win->m_isScrolling) + { + command = wxEVT_SCROLL_THUMBTRACK; + } + else + { + if (fabs(win->m_adjust->value-win->m_adjust->lower) < 0.2) command = wxEVT_SCROLL_BOTTOM; + else if (fabs(win->m_adjust->value-win->m_adjust->upper) < 0.2) command = wxEVT_SCROLL_TOP; + else if (fabs(diff-line_step) < 0.2) command = wxEVT_SCROLL_LINEDOWN; + else if (fabs(diff+line_step) < 0.2) command = wxEVT_SCROLL_LINEUP; + else if (fabs(diff-page_step) < 0.2) command = wxEVT_SCROLL_PAGEDOWN; + else if (fabs(diff+page_step) < 0.2) command = wxEVT_SCROLL_PAGEUP; + else command = wxEVT_SCROLL_THUMBTRACK; + } int value = (int)(win->m_adjust->value+0.5); int orient = wxHORIZONTAL; - if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxHORIZONTAL; + if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxVERTICAL; wxScrollEvent event( command, win->GetId(), value, orient ); event.SetEventObject( win ); - win->ProcessEvent( event ); + win->GetEventHandler()->ProcessEvent( event ); /* wxCommandEvent cevent( wxEVT_COMMAND_SCROLLBAR_UPDATED, win->GetId() ); cevent.SetEventObject( win ); win->ProcessEvent( cevent ); */ -}; +} -IMPLEMENT_DYNAMIC_CLASS(wxScrollBar,wxControl) +//----------------------------------------------------------------------------- +// "button_press_event" from slider +//----------------------------------------------------------------------------- -wxScrollBar::wxScrollBar(wxWindow *parent, const wxWindowID id, - const wxPoint& pos, const wxSize& size, - const long style, const wxString& name ) +static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget), + GdkEventButton *WXUNUSED(gdk_event), + wxScrollBar *win ) { - Create( parent, id, pos, size, style, name ); -}; + win->m_isScrolling = TRUE; + g_blockEventsOnScroll = TRUE; + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "button_release_event" from slider +//----------------------------------------------------------------------------- + +static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), + GdkEventButton *WXUNUSED(gdk_event), + wxScrollBar *win ) +{ + win->m_isScrolling = FALSE; + g_blockEventsOnScroll = FALSE; + + gtk_signal_emit_by_name( GTK_OBJECT(win->m_adjust), "value_changed" ); + + return FALSE; +} + +//----------------------------------------------------------------------------- +// wxScrollBar +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxScrollBar,wxControl) wxScrollBar::~wxScrollBar(void) { -}; +} -bool wxScrollBar::Create(wxWindow *parent, const wxWindowID id, +bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, - const long style, const wxString& name ) + long style, const wxValidator& validator, const wxString& name ) { m_needParent = TRUE; PreCreation( parent, id, pos, size, style, name ); + SetValidator( validator ); + m_oldPos = 0.0; if (style & wxSB_VERTICAL == wxSB_VERTICAL) - m_widget = gtk_hscrollbar_new( NULL ); + m_widget = gtk_hscrollbar_new( (GtkAdjustment *) NULL ); else - m_widget = gtk_vscrollbar_new( NULL ); + m_widget = gtk_vscrollbar_new( (GtkAdjustment *) NULL ); m_adjust = gtk_range_get_adjustment( GTK_RANGE(m_widget) ); gtk_signal_connect (GTK_OBJECT (m_adjust), "value_changed", (GtkSignalFunc) gtk_scrollbar_callback, (gpointer) this ); + gtk_signal_connect( GTK_OBJECT(m_widget), "button_press_event", + (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(m_widget), "button_release_event", + (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this ); + + m_parent->AddChild( this ); + + (m_parent->m_insertCallback)( m_parent, this ); + PostCreation(); + SetBackgroundColour( parent->GetBackgroundColour() ); + Show( TRUE ); return TRUE; -}; +} -int wxScrollBar::GetPosition(void) const +int wxScrollBar::GetThumbPosition(void) const { return (int)(m_adjust->value+0.5); -}; +} int wxScrollBar::GetThumbSize() const { return (int)(m_adjust->page_size+0.5); -}; +} int wxScrollBar::GetPageSize() const { return (int)(m_adjust->page_increment+0.5); -}; +} int wxScrollBar::GetRange() const { return (int)(m_adjust->upper+0.5); -}; +} -void wxScrollBar::SetPosition( const int viewStart ) +void wxScrollBar::SetThumbPosition( int viewStart ) { + if (m_isScrolling) return; + float fpos = (float)viewStart; m_oldPos = fpos; if (fabs(fpos-m_adjust->value) < 0.2) return; m_adjust->value = fpos; gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" ); -}; +} -void wxScrollBar::SetScrollbar( const int position, const int thumbSize, const int range, const int pageSize, - const bool WXUNUSED(refresh) ) +void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int pageSize, + bool WXUNUSED(refresh) ) { float fpos = (float)position; - m_oldPos = fpos; float frange = (float)range; float fthumb = (float)thumbSize; float fpage = (float)pageSize; - if ((fabs(fpos-m_adjust->value) < 0.2) && - (fabs(frange-m_adjust->upper) < 0.2) && + if ((fabs(frange-m_adjust->upper) < 0.2) && (fabs(fthumb-m_adjust->page_size) < 0.2) && (fabs(fpage-m_adjust->page_increment) < 0.2)) - return; - + { + SetThumbPosition( position ); + return; + } + + m_oldPos = fpos; + m_adjust->lower = 0.0; m_adjust->upper = frange; m_adjust->value = fpos; m_adjust->step_increment = 1.0; - m_adjust->page_increment = (float)(wxMax(fpage-2,0)); + m_adjust->page_increment = (float)(wxMax(fpage,0)); m_adjust->page_size = fthumb; gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); -}; +} // Backward compatibility int wxScrollBar::GetValue(void) const { - return GetPosition(); -}; + return GetThumbPosition(); +} -void wxScrollBar::SetValue( const int viewStart ) +void wxScrollBar::SetValue( int viewStart ) { - SetPosition( viewStart ); -}; + SetThumbPosition( viewStart ); +} void wxScrollBar::GetValues( int *viewStart, int *viewLength, int *objectLength, int *pageLength ) const { @@ -178,39 +234,55 @@ void wxScrollBar::GetValues( int *viewStart, int *viewLength, int *objectLength, *viewLength = range; *objectLength = thumb; *pageLength = page; -}; +} int wxScrollBar::GetViewLength() const { return (int)(m_adjust->upper+0.5); -}; +} int wxScrollBar::GetObjectLength() const { return (int)(m_adjust->page_size+0.5); -}; +} -void wxScrollBar::SetPageSize( const int pageLength ) +void wxScrollBar::SetPageSize( int pageLength ) { int pos = (int)(m_adjust->value+0.5); int thumb = (int)(m_adjust->page_size+0.5); int range = (int)(m_adjust->upper+0.5); SetScrollbar( pos, thumb, range, pageLength ); -}; +} -void wxScrollBar::SetObjectLength( const int objectLength ) +void wxScrollBar::SetObjectLength( int objectLength ) { int pos = (int)(m_adjust->value+0.5); int page = (int)(m_adjust->page_increment+0.5); int range = (int)(m_adjust->upper+0.5); SetScrollbar( pos, objectLength, range, page ); -}; +} -void wxScrollBar::SetViewLength( const int viewLength ) +void wxScrollBar::SetViewLength( int viewLength ) { int pos = (int)(m_adjust->value+0.5); int thumb = (int)(m_adjust->page_size+0.5); int page = (int)(m_adjust->page_increment+0.5); SetScrollbar( pos, thumb, viewLength, page ); -}; +} + +bool wxScrollBar::IsOwnGtkWindow( GdkWindow *window ) +{ + GtkRange *range = GTK_RANGE(m_widget); + return ( (window == GTK_WIDGET(range)->window) || + (window == range->trough) || + (window == range->slider) || + (window == range->step_forw) || + (window == range->step_back) ); +} + +void wxScrollBar::ApplyWidgetStyle() +{ + SetWidgetStyle(); + gtk_widget_set_style( m_widget, m_widgetStyle ); +}