X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..a7d5151df02bf70a9f6ff1c5c7fd33ab07bf409c:/src/gtk/scrolbar.cpp?ds=sidebyside diff --git a/src/gtk/scrolbar.cpp b/src/gtk/scrolbar.cpp index 46ebc7ca4d..aadb7d0086 100644 --- a/src/gtk/scrolbar.cpp +++ b/src/gtk/scrolbar.cpp @@ -4,14 +4,9 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWidgets licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "scrolbar.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -20,9 +15,7 @@ #include "wx/scrolbar.h" #include "wx/utils.h" - -#include - +#include "wx/math.h" #include "wx/gtk/private.h" //----------------------------------------------------------------------------- @@ -37,7 +30,7 @@ extern bool g_isIdle; //----------------------------------------------------------------------------- extern bool g_blockEventsOnDrag; -extern bool g_blockEventsOnScroll; +static wxEventType g_currentUpDownEvent = wxEVT_NULL; static const float sensitivity = 0.02; @@ -47,6 +40,7 @@ static const float sensitivity = 0.02; // FIXME: is GtkScrollType really passed to us as 2nd argument? +extern "C" { static void gtk_scrollbar_callback( GtkAdjustment *adjust, SCROLLBAR_CBACK_ARG wxScrollBar *win ) @@ -68,6 +62,15 @@ static void gtk_scrollbar_callback( GtkAdjustment *adjust, int orient = win->HasFlag(wxSB_VERTICAL) ? wxVERTICAL : wxHORIZONTAL; + // 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 ); @@ -78,31 +81,52 @@ static void gtk_scrollbar_callback( GtkAdjustment *adjust, win->ProcessEvent( cevent ); */ } +} //----------------------------------------------------------------------------- // "button_press_event" from slider //----------------------------------------------------------------------------- - +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 - - // FIXME: there is no slider field any more, what was meant here? -#ifndef __WXGTK20__ - win->m_isScrolling = (gdk_event->window == widget->slider); -#endif + // 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; + } return FALSE; } +} //----------------------------------------------------------------------------- // "button_release_event" from slider //----------------------------------------------------------------------------- +extern "C" { static gint gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), GdkEventButton *WXUNUSED(gdk_event), @@ -111,8 +135,6 @@ gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), if (g_isIdle) wxapp_install_idle_handler(); -// g_blockEventsOnScroll = FALSE; - if (win->m_isScrolling) { wxEventType command = wxEVT_SCROLL_THUMBRELEASE; @@ -124,10 +146,14 @@ gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget), win->GetEventHandler()->ProcessEvent( event ); } - win->m_isScrolling = FALSE; + win->m_isScrolling = false; + + // reset the LINEUP/LINEDOWN flag when the mouse button is released + g_currentUpDownEvent = wxEVT_NULL; return FALSE; } +} //----------------------------------------------------------------------------- // wxScrollBar @@ -143,14 +169,14 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator, const wxString& name ) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; + m_needParent = true; + m_acceptsFocus = true; if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { wxFAIL_MSG( wxT("wxScrollBar creation failed") ); - return FALSE; + return false; } m_oldPos = 0.0; @@ -162,26 +188,20 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, 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 ); + g_signal_connect (m_adjust, "value_changed", + G_CALLBACK (gtk_scrollbar_callback), this); + g_signal_connect (m_widget, "button_press_event", + G_CALLBACK (gtk_scrollbar_button_press_callback), + this); + g_signal_connect (m_widget, "button_release_event", + G_CALLBACK (gtk_scrollbar_button_release_callback), + this); m_parent->DoAddChild( this ); PostCreation(size); - return TRUE; + return true; } int wxScrollBar::GetThumbPosition() const @@ -214,16 +234,14 @@ void wxScrollBar::SetThumbPosition( int viewStart ) 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 ); + g_signal_handlers_disconnect_by_func (m_adjust, + (gpointer) gtk_scrollbar_callback, + this); - gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" ); + g_signal_emit_by_name (m_adjust, "value_changed"); - gtk_signal_connect( GTK_OBJECT(m_adjust), - "value_changed", - (GtkSignalFunc) gtk_scrollbar_callback, - (gpointer) this ); + g_signal_connect (m_adjust, "value_changed", + G_CALLBACK (gtk_scrollbar_callback), this); } void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int pageSize, @@ -251,7 +269,7 @@ void wxScrollBar::SetScrollbar( int position, int thumbSize, int range, int page m_adjust->page_increment = (float)(wxMax(fpage,0)); m_adjust->page_size = fthumb; - gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); + g_signal_emit_by_name (m_adjust, "changed"); } /* Backward compatibility */ @@ -315,20 +333,7 @@ void wxScrollBar::SetViewLength( int viewLength ) bool wxScrollBar::IsOwnGtkWindow( GdkWindow *window ) { GtkRange *range = GTK_RANGE(m_widget); - 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 - ); -} - -void wxScrollBar::ApplyWidgetStyle() -{ - SetWidgetStyle(); - gtk_widget_set_style( m_widget, m_widgetStyle ); + return ( (window == GTK_WIDGET(range)->window) ); } wxSize wxScrollBar::DoGetBestSize() const