X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1e6feb95a79834836e88143b15d9f424ebe79621..1e96e5030cd899ac43e9f6e7e9302d25644a05e9:/src/gtk/scrolbar.cpp diff --git a/src/gtk/scrolbar.cpp b/src/gtk/scrolbar.cpp index df1cba34af..7c8b236b7f 100644 --- a/src/gtk/scrolbar.cpp +++ b/src/gtk/scrolbar.cpp @@ -8,22 +8,20 @@ ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "scrolbar.h" #endif -#include "wx/defs.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #if wxUSE_SCROLLBAR #include "wx/scrolbar.h" #include "wx/utils.h" - -#include - -#include -#include +#include "wx/math.h" +#include "wx/gtk/private.h" //----------------------------------------------------------------------------- // idle system @@ -38,6 +36,7 @@ extern bool g_isIdle; extern bool g_blockEventsOnDrag; extern bool g_blockEventsOnScroll; +static wxEventType g_currentUpDownEvent = wxEVT_NULL; static const float sensitivity = 0.02; @@ -45,86 +44,127 @@ static const float sensitivity = 0.02; // "value_changed" //----------------------------------------------------------------------------- -static void gtk_scrollbar_callback( GtkAdjustment *adjust, wxScrollBar *win ) -{ +// FIXME: is GtkScrollType really passed to us as 2nd argument? + +extern "C" { +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 = adjust->value - win->m_oldPos; if (fabs(diff) < sensitivity) return; - + win->m_oldPos = adjust->value; - GtkRange *range = GTK_RANGE( win->m_widget ); + wxEventType command = GtkScrollTypeToWx(GET_SCROLL_TYPE(win->m_widget)); - wxEventType command = wxEVT_SCROLL_THUMBTRACK; - if (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLL_LINEUP; - else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD) command = wxEVT_SCROLL_LINEDOWN; - else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLL_PAGEUP; - else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD) command = wxEVT_SCROLL_PAGEDOWN; - 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 ); + + // throw a LINEUP / LINEDOWN event if necessary + if (g_currentUpDownEvent != wxEVT_NULL) + { + wxScrollEvent event( g_currentUpDownEvent, win->GetId(), value, orient ); + event.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( event ); + } + + // throw other event (wxEVT_SCROLL_THUMBTRACK) + 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 ); win->ProcessEvent( cevent ); */ } +} //----------------------------------------------------------------------------- // "button_press_event" from slider //----------------------------------------------------------------------------- - -static gint gtk_scrollbar_button_press_callback( GtkRange *widget, - GdkEventButton *gdk_event, +extern "C" { +static gint gtk_scrollbar_button_press_callback( GtkRange *widget, + GdkEventButton *gdk_event, wxScrollBar *win ) { if (g_isIdle) wxapp_install_idle_handler(); -// g_blockEventsOnScroll = TRUE; doesn't work in DialogEd - + // check if a LINEUP/LINEDOWN event must be thrown + // I suppose here the size of scrollbar top/bottom buttons is 16px height + if (gdk_event->type == GDK_BUTTON_PRESS && gdk_event->button == 1) + { + int scroll_height, mouse_pos; + + // get the mouse position when the click is done + if (win->HasFlag(wxSB_VERTICAL)) + { + scroll_height = GTK_WIDGET(widget)->allocation.height - 16; + mouse_pos = (int)gdk_event->y; + } + else + { + scroll_height = GTK_WIDGET(widget)->allocation.width - 16; + mouse_pos = (int)gdk_event->x; + } + + // compare mouse position to scrollbar height + if (mouse_pos > scroll_height) + g_currentUpDownEvent = wxEVT_SCROLL_LINEDOWN; + else if (mouse_pos < 16) + g_currentUpDownEvent = wxEVT_SCROLL_LINEUP; + } + +#ifndef __WXGTK20__ + // There is no slider field any more win->m_isScrolling = (gdk_event->window == widget->slider); - +#endif + return FALSE; } +} //----------------------------------------------------------------------------- // "button_release_event" from slider //----------------------------------------------------------------------------- -static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), - GdkEventButton *WXUNUSED(gdk_event), - wxScrollBar *win ) +extern "C" { +static gint +gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), + GdkEventButton *WXUNUSED(gdk_event), + wxScrollBar *win ) { - if (g_isIdle) wxapp_install_idle_handler(); - -// g_blockEventsOnScroll = FALSE; - + if (g_isIdle) + wxapp_install_idle_handler(); + if (win->m_isScrolling) { wxEventType command = wxEVT_SCROLL_THUMBRELEASE; int value = (int)ceil(win->m_adjust->value); - int dir = win->HasFlag(wxSB_VERTICAL) ? wxVERTICAL : wxHORIZONTAL; + int orient = win->HasFlag(wxSB_VERTICAL) ? wxVERTICAL : wxHORIZONTAL; - wxScrollEvent event( command, value, dir ); + wxScrollEvent event( command, win->GetId(), value, orient ); event.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( event ); } - + win->m_isScrolling = FALSE; - + + // reset the LINEUP/LINEDOWN flag when the mouse button is released + g_currentUpDownEvent = wxEVT_NULL; + return FALSE; } +} //----------------------------------------------------------------------------- // wxScrollBar @@ -142,7 +182,7 @@ 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 )) { @@ -158,30 +198,24 @@ 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; } @@ -209,21 +243,21 @@ 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, + + 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), + + gtk_signal_connect( GTK_OBJECT(m_adjust), "value_changed", - (GtkSignalFunc) gtk_scrollbar_callback, + (GtkSignalFunc) gtk_scrollbar_callback, (gpointer) this ); } @@ -234,7 +268,7 @@ 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)) @@ -242,9 +276,9 @@ 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; @@ -272,7 +306,7 @@ 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; @@ -316,17 +350,26 @@ 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