X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2e563988fb0a55e44f295445727e86dcce793f7a..4bd87101b398ea89795bae4012bbb03866b7e0f5:/src/gtk/slider.cpp diff --git a/src/gtk/slider.cpp b/src/gtk/slider.cpp index 0fa63e404e..fba7a8b971 100644 --- a/src/gtk/slider.cpp +++ b/src/gtk/slider.cpp @@ -4,7 +4,7 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -12,11 +12,15 @@ #endif #include "wx/slider.h" + +#if wxUSE_SLIDER + #include "wx/utils.h" + #include -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include +#include //----------------------------------------------------------------------------- // idle system @@ -31,43 +35,42 @@ extern bool g_isIdle; extern bool g_blockEventsOnDrag; +static const float sensitivity = 0.02; + //----------------------------------------------------------------------------- // "value_changed" //----------------------------------------------------------------------------- -static void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win ) -{ +static void gtk_slider_callback( GtkAdjustment *adjust, wxSlider *win ) +{ if (g_isIdle) wxapp_install_idle_handler(); - if (!win->HasVMT()) return; + 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 (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)ceil(win->m_adjust->value); - + + 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 = 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; + + int value = (int)ceil(adjust->value); + int orient = wxHORIZONTAL; - if (win->GetWindowStyleFlag() & wxSB_VERTICAL == wxSB_VERTICAL) orient = wxVERTICAL; - + if ( (win->GetWindowStyleFlag() & wxSB_VERTICAL) == wxSB_VERTICAL) + orient = wxVERTICAL; + wxScrollEvent event( command, win->GetId(), value, orient ); event.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( event ); - + wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() ); cevent.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( cevent ); @@ -79,14 +82,6 @@ static void gtk_slider_callback( GtkWidget *WXUNUSED(widget), wxSlider *win ) IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl) -wxSlider::wxSlider(void) -{ -} - -wxSlider::~wxSlider(void) -{ -} - bool wxSlider::Create(wxWindow *parent, wxWindowID id, int value, int minValue, int maxValue, const wxPoint& pos, const wxSize& size, @@ -94,47 +89,72 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id, { m_acceptsFocus = TRUE; m_needParent = TRUE; - - PreCreation( parent, id, pos, size, style, name ); - - SetValidator( validator ); + + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxSlider creation failed") ); + return FALSE; + } m_oldPos = 0.0; if (style & wxSL_VERTICAL) - m_widget = gtk_hscale_new( (GtkAdjustment *) NULL ); - else m_widget = gtk_vscale_new( (GtkAdjustment *) NULL ); - + else + m_widget = gtk_hscale_new( (GtkAdjustment *) NULL ); + if (style & wxSL_LABELS) + { gtk_scale_set_draw_value( GTK_SCALE( m_widget ), TRUE ); + gtk_scale_set_digits( GTK_SCALE( m_widget ), 0 ); + + /* labels need more space and too small window will + cause junk to appear on the dialog */ + if (style & wxSL_VERTICAL) + { + wxSize sz( size ); + if (sz.x < 35) + { + sz.x = 35; + SetSize( sz ); + } + } + else + { + wxSize sz( size ); + if (sz.y < 35) + { + sz.y = 35; + SetSize( sz ); + } + } + } else gtk_scale_set_draw_value( GTK_SCALE( m_widget ), FALSE ); - + 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_slider_callback, - (gpointer) this ); - + (GtkSignalFunc) gtk_slider_callback, + (gpointer) this ); + SetRange( minValue, maxValue ); SetValue( value ); - - m_parent->AddChild( this ); - (m_parent->m_insertCallback)( m_parent, this ); - + m_parent->DoAddChild( this ); + PostCreation(); - + SetBackgroundColour( parent->GetBackgroundColour() ); Show( TRUE ); - + return TRUE; } -int wxSlider::GetValue(void) const +int wxSlider::GetValue() const { return (int)(m_adjust->value+0.5); } @@ -144,9 +164,9 @@ void wxSlider::SetValue( int value ) float fpos = (float)value; 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" ); } @@ -154,25 +174,27 @@ void wxSlider::SetRange( int minValue, int maxValue ) { float fmin = (float)minValue; float fmax = (float)maxValue; - + if ((fabs(fmin-m_adjust->lower) < 0.2) && (fabs(fmax-m_adjust->upper) < 0.2)) { return; } - + m_adjust->lower = fmin; m_adjust->upper = fmax; + m_adjust->step_increment = 1.0; + m_adjust->page_increment = ceil((fmax-fmin) / 10.0); gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); } -int wxSlider::GetMin(void) const +int wxSlider::GetMin() const { return (int)ceil(m_adjust->lower); } -int wxSlider::GetMax(void) const +int wxSlider::GetMax() const { return (int)ceil(m_adjust->upper); } @@ -180,15 +202,15 @@ int wxSlider::GetMax(void) const void wxSlider::SetPageSize( int pageSize ) { float fpage = (float)pageSize; - + if (fabs(fpage-m_adjust->page_increment) < 0.2) return; - + m_adjust->page_increment = fpage; gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); } -int wxSlider::GetPageSize(void) const +int wxSlider::GetPageSize() const { return (int)ceil(m_adjust->page_increment); } @@ -196,15 +218,15 @@ int wxSlider::GetPageSize(void) const void wxSlider::SetThumbLength( int len ) { float flen = (float)len; - + if (fabs(flen-m_adjust->page_size) < 0.2) return; - + m_adjust->page_size = flen; gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); } -int wxSlider::GetThumbLength(void) const +int wxSlider::GetThumbLength() const { return (int)ceil(m_adjust->page_size); } @@ -213,7 +235,7 @@ void wxSlider::SetLineSize( int WXUNUSED(lineSize) ) { } -int wxSlider::GetLineSize(void) const +int wxSlider::GetLineSize() const { return 0; } @@ -226,12 +248,12 @@ void wxSlider::SetTickFreq( int WXUNUSED(n), int WXUNUSED(pos) ) { } -int wxSlider::GetTickFreq(void) const +int wxSlider::GetTickFreq() const { return 0; } -void wxSlider::ClearTicks(void) +void wxSlider::ClearTicks() { } @@ -239,17 +261,17 @@ void wxSlider::SetSelection( int WXUNUSED(minPos), int WXUNUSED(maxPos) ) { } -int wxSlider::GetSelEnd(void) const +int wxSlider::GetSelEnd() const { return 0; } -int wxSlider::GetSelStart(void) const +int wxSlider::GetSelStart() const { return 0; } -void wxSlider::ClearSel(void) +void wxSlider::ClearSel() { } @@ -258,9 +280,9 @@ bool wxSlider::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) ); + (window == range->slider) || + (window == range->step_forw) || + (window == range->step_back) ); } void wxSlider::ApplyWidgetStyle() @@ -268,3 +290,5 @@ void wxSlider::ApplyWidgetStyle() SetWidgetStyle(); gtk_widget_set_style( m_widget, m_widgetStyle ); } + +#endif