X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d9bd1494562dc6166fbaab77306ec0b999df16c8..4b60ad0d8c1ea4f840ad0b9b7c11270322634394:/src/gtk/scrolbar.cpp diff --git a/src/gtk/scrolbar.cpp b/src/gtk/scrolbar.cpp index 890112cdbd..af054a217c 100644 --- a/src/gtk/scrolbar.cpp +++ b/src/gtk/scrolbar.cpp @@ -1,26 +1,27 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: scrolbar.cpp +// Name: src/gtk/scrolbar.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "scrolbar.h" #endif -#include "wx/scrolbar.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #if wxUSE_SCROLLBAR -#include "wx/utils.h" -#include +#include "wx/scrolbar.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include "wx/utils.h" +#include "wx/math.h" +#include "wx/gtk/private.h" //----------------------------------------------------------------------------- // idle system @@ -36,49 +37,39 @@ extern bool g_isIdle; extern bool g_blockEventsOnDrag; extern bool g_blockEventsOnScroll; +static const float sensitivity = 0.02; + //----------------------------------------------------------------------------- // "value_changed" //----------------------------------------------------------------------------- -static void gtk_scrollbar_callback( GtkWidget *WXUNUSED(widget), wxScrollBar *win ) -{ +// FIXME: is GtkScrollType really passed to us as 2nd argument? + +static void gtk_scrollbar_callback( GtkAdjustment *adjust, + SCROLLBAR_CBACK_ARG + wxScrollBar *win ) +{ if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return; if (g_blockEventsOnDrag) return; - - float diff = win->m_adjust->value - win->m_oldPos; - if (fabs(diff) < 0.2) return; - win->m_oldPos = win->m_adjust->value; - - wxEventType command = wxEVT_NULL; - - float line_step = win->m_adjust->step_increment; - float page_step = win->m_adjust->page_increment; - - if (win->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); - + float diff = adjust->value - win->m_oldPos; + if (fabs(diff) < sensitivity) return; + + win->m_oldPos = adjust->value; + + wxEventType command = GtkScrollTypeToWx(GET_SCROLL_TYPE(win->m_widget)); + + double dvalue = adjust->value; + int value = (int)(dvalue < 0 ? dvalue - 0.5 : dvalue + 0.5); + int orient = win->HasFlag(wxSB_VERTICAL) ? wxVERTICAL : wxHORIZONTAL; - + wxScrollEvent event( command, win->GetId(), value, orient ); event.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( event ); - + /* wxCommandEvent cevent( wxEVT_COMMAND_SCROLLBAR_UPDATED, win->GetId() ); cevent.SetEventObject( win ); @@ -90,15 +81,19 @@ static void gtk_scrollbar_callback( GtkWidget *WXUNUSED(widget), wxScrollBar *wi // "button_press_event" from slider //----------------------------------------------------------------------------- -static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget), - GdkEventButton *WXUNUSED(gdk_event), +static gint gtk_scrollbar_button_press_callback( GtkRange *widget, + GdkEventButton *gdk_event, wxScrollBar *win ) { if (g_isIdle) wxapp_install_idle_handler(); - win->SetScrolling(TRUE); // g_blockEventsOnScroll = TRUE; doesn't work in DialogEd - + + // FIXME: there is no slider field any more, what was meant here? +#ifndef __WXGTK20__ + win->m_isScrolling = (gdk_event->window == widget->slider); +#endif + return FALSE; } @@ -106,17 +101,29 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget), // "button_release_event" from slider //----------------------------------------------------------------------------- -static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), - GdkEventButton *WXUNUSED(gdk_event), - wxScrollBar *win ) +static gint +gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), + GdkEventButton *WXUNUSED(gdk_event), + wxScrollBar *win ) { - if (g_isIdle) wxapp_install_idle_handler(); + if (g_isIdle) + wxapp_install_idle_handler(); - win->SetScrolling(FALSE); // g_blockEventsOnScroll = FALSE; - - gtk_signal_emit_by_name( GTK_OBJECT(win->m_adjust), "value_changed" ); - + + if (win->m_isScrolling) + { + wxEventType command = wxEVT_SCROLL_THUMBRELEASE; + int value = (int)ceil(win->m_adjust->value); + int orient = win->HasFlag(wxSB_VERTICAL) ? wxVERTICAL : wxHORIZONTAL; + + wxScrollEvent event( command, win->GetId(), value, orient ); + event.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( event ); + } + + win->m_isScrolling = FALSE; + return FALSE; } @@ -126,7 +133,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), IMPLEMENT_DYNAMIC_CLASS(wxScrollBar,wxControl) -wxScrollBar::~wxScrollBar(void) +wxScrollBar::~wxScrollBar() { } @@ -136,12 +143,12 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, { m_needParent = TRUE; m_acceptsFocus = TRUE; - + if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { - wxFAIL_MSG( _T("wxScrollBar creation failed") ); - return FALSE; + wxFAIL_MSG( wxT("wxScrollBar creation failed") ); + return FALSE; } m_oldPos = 0.0; @@ -152,36 +159,33 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, m_widget = gtk_hscrollbar_new( (GtkAdjustment *) NULL ); m_adjust = gtk_range_get_adjustment( GTK_RANGE(m_widget) ); - - gtk_signal_connect( GTK_OBJECT(m_adjust), + + gtk_signal_connect( GTK_OBJECT(m_adjust), "value_changed", - (GtkSignalFunc) gtk_scrollbar_callback, + (GtkSignalFunc) gtk_scrollbar_callback, (gpointer) this ); - - gtk_signal_connect( GTK_OBJECT(m_widget), + + gtk_signal_connect( GTK_OBJECT(m_widget), "button_press_event", - (GtkSignalFunc)gtk_scrollbar_button_press_callback, + (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this ); - gtk_signal_connect( GTK_OBJECT(m_widget), + gtk_signal_connect( GTK_OBJECT(m_widget), "button_release_event", - (GtkSignalFunc)gtk_scrollbar_button_release_callback, + (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this ); m_parent->DoAddChild( this ); - - PostCreation(); - - SetBackgroundColour( parent->GetBackgroundColour() ); - Show( TRUE ); - + PostCreation(size); + return TRUE; } -int wxScrollBar::GetThumbPosition(void) const +int wxScrollBar::GetThumbPosition() const { - return (int)(m_adjust->value+0.5); + double val = m_adjust->value; + return (int)(val < 0 ? val - 0.5 : val + 0.5); } int wxScrollBar::GetThumbSize() const @@ -202,13 +206,22 @@ int wxScrollBar::GetRange() const 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_disconnect_by_func( GTK_OBJECT(m_adjust), + (GtkSignalFunc) gtk_scrollbar_callback, + (gpointer) this ); + gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" ); + + gtk_signal_connect( GTK_OBJECT(m_adjust), + "value_changed", + (GtkSignalFunc) gtk_scrollbar_callback, + (gpointer) this ); } void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int pageSize, @@ -218,7 +231,7 @@ void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int page float frange = (float)range; float fthumb = (float)thumbSize; float fpage = (float)pageSize; - + if ((fabs(frange-m_adjust->upper) < 0.2) && (fabs(fthumb-m_adjust->page_size) < 0.2) && (fabs(fpage-m_adjust->page_increment) < 0.2)) @@ -226,9 +239,9 @@ void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int page SetThumbPosition( position ); return; } - + m_oldPos = fpos; - + m_adjust->lower = 0.0; m_adjust->upper = frange; m_adjust->value = fpos; @@ -240,7 +253,7 @@ void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int page } /* Backward compatibility */ -int wxScrollBar::GetValue(void) const +int wxScrollBar::GetValue() const { return GetThumbPosition(); } @@ -256,7 +269,7 @@ void wxScrollBar::GetValues( int *viewStart, int *viewLength, int *objectLength, int thumb = (int)(m_adjust->page_size+0.5); int page = (int)(m_adjust->page_increment+0.5); int range = (int)(m_adjust->upper+0.5); - + *viewStart = pos; *viewLength = range; *objectLength = thumb; @@ -300,17 +313,26 @@ void wxScrollBar::SetViewLength( int viewLength ) 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) ); + return ( (window == GTK_WIDGET(range)->window) +#ifndef __WXGTK20__ + || (window == range->trough) + || (window == range->slider) + || (window == range->step_forw) + || (window == range->step_back) +#endif // GTK+ 1.x + ); +} + +wxSize wxScrollBar::DoGetBestSize() const +{ + return wxControl::DoGetBestSize(); } -void wxScrollBar::ApplyWidgetStyle() +// static +wxVisualAttributes +wxScrollBar::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - SetWidgetStyle(); - gtk_widget_set_style( m_widget, m_widgetStyle ); + return GetDefaultAttributesFromGTKWidget(gtk_vscrollbar_new); } #endif