X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/559f60efa8e7c0735b2dca83bd80b56cd96cec3b..11a23db53128bf244a089123b7fd27deb577a889:/src/gtk/slider.cpp diff --git a/src/gtk/slider.cpp b/src/gtk/slider.cpp index dc964e0153..17d8cf087c 100644 --- a/src/gtk/slider.cpp +++ b/src/gtk/slider.cpp @@ -2,7 +2,6 @@ // Name: src/gtk/slider.cpp // Purpose: // Author: Robert Roebling -// Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -19,7 +18,8 @@ #include "wx/math.h" #endif -#include "wx/gtk/private.h" +#include +#include "wx/gtk/private/gtk2-compat.h" //----------------------------------------------------------------------------- // data @@ -46,7 +46,7 @@ ProcessScrollEvent(wxSlider *win, wxEventType evtType) { wxScrollEvent event( evtType, win->GetId(), value, orient ); event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + win->HandleWindowEvent( event ); } // but, in any case, except if we're dragging the slider (and so the change @@ -55,14 +55,14 @@ ProcessScrollEvent(wxSlider *win, wxEventType evtType) { wxScrollEvent event(wxEVT_SCROLL_CHANGED, win->GetId(), value, orient); event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + win->HandleWindowEvent( event ); } // and also generate a command event for compatibility - wxCommandEvent event( wxEVT_COMMAND_SLIDER_UPDATED, win->GetId() ); + wxCommandEvent event( wxEVT_SLIDER, win->GetId() ); event.SetEventObject( win ); event.SetInt( value ); - win->GetEventHandler()->ProcessEvent( event ); + win->HandleWindowEvent( event ); } static inline wxEventType GtkScrollTypeToWx(int scrollType) @@ -100,7 +100,7 @@ static inline wxEventType GtkScrollTypeToWx(int scrollType) eventType = wxEVT_SCROLL_THUMBTRACK; break; default: - wxFAIL_MSG(_T("Unknown GtkScrollType")); + wxFAIL_MSG(wxT("Unknown GtkScrollType")); eventType = wxEVT_NULL; break; } @@ -124,17 +124,14 @@ extern "C" { static void gtk_value_changed(GtkRange* range, wxSlider* win) { - if (g_isIdle) wxapp_install_idle_handler(); - - GtkAdjustment* adj = gtk_range_get_adjustment (range); - const int pos = wxRound(adj->value); + const double value = gtk_range_get_value(range); const double oldPos = win->m_pos; - win->m_pos = adj->value; + win->m_pos = value; - if (!win->m_hasVMT || g_blockEventsOnDrag) + if (g_blockEventsOnDrag) return; - if (win->m_blockScrollEvent) + if (win->GTKEventsDisabled()) { win->m_scrollEventType = GTK_SCROLL_NONE; return; @@ -153,18 +150,19 @@ gtk_value_changed(GtkRange* range, wxSlider* win) else if (win->m_mouseButtonDown) { // Difference from last change event - const double diff = adj->value - oldPos; + const double diff = value - oldPos; const bool isDown = diff > 0; - if (IsScrollIncrement(adj->page_increment, diff)) + GtkAdjustment* adj = gtk_range_get_adjustment(range); + if (IsScrollIncrement(gtk_adjustment_get_page_increment(adj), diff)) { eventType = isDown ? wxEVT_SCROLL_PAGEDOWN : wxEVT_SCROLL_PAGEUP; } - else if (wxIsSameDouble(adj->value, 0)) + else if (wxIsSameDouble(value, 0)) { eventType = wxEVT_SCROLL_PAGEUP; } - else if (wxIsSameDouble(adj->value, adj->upper)) + else if (wxIsSameDouble(value, gtk_adjustment_get_upper(adj))) { eventType = wxEVT_SCROLL_PAGEDOWN; } @@ -180,9 +178,8 @@ gtk_value_changed(GtkRange* range, wxSlider* win) win->m_scrollEventType = GTK_SCROLL_NONE; // If integral position has changed - if (wxRound(oldPos) != pos) + if (wxRound(oldPos) != wxRound(value)) { - wxCHECK_RET(eventType != wxEVT_NULL, _T("Unknown slider scroll event type")); ProcessScrollEvent(win, eventType); win->m_needThumbRelease = eventType == wxEVT_SCROLL_THUMBTRACK; } @@ -234,9 +231,9 @@ gtk_event_after(GtkRange* range, GdkEvent* event, wxSlider* win) ProcessScrollEvent(win, wxEVT_SCROLL_THUMBRELEASE); } // Keep slider at an integral position - win->BlockScrollEvent(); - gtk_range_set_value(GTK_RANGE (win->m_widget), win->GetValue()); - win->UnblockScrollEvent(); + win->GTKDisableEvents(); + gtk_range_set_value(GTK_RANGE (win->m_scale), win->GetValue()); + win->GTKEnableEvents(); } } } @@ -275,22 +272,32 @@ static gchar* gtk_format_value(GtkScale*, double value, void*) // wxSlider //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl) - wxSlider::wxSlider() { - m_pos = 0; - m_scrollEventType = 0; - m_needThumbRelease = false; + m_scale = NULL; } -bool wxSlider::Create(wxWindow *parent, wxWindowID id, - int value, int minValue, int maxValue, - const wxPoint& pos, const wxSize& size, - long style, const wxValidator& validator, const wxString& name ) +wxSlider::~wxSlider() { - m_acceptsFocus = true; - m_needParent = true; + if (m_scale && m_scale != m_widget) + GTKDisconnect(m_scale); +} + +bool wxSlider::Create(wxWindow *parent, + wxWindowID id, + int value, + int minValue, + int maxValue, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& validator, + const wxString& name) +{ + m_pos = value; + m_scrollEventType = GTK_SCROLL_NONE; + m_needThumbRelease = false; + m_blockScrollEvent = false; if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) @@ -299,34 +306,86 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id, return false; } - m_pos = 0; - m_scrollEventType = 0; - m_needThumbRelease = false; + const bool isVertical = (style & wxSL_VERTICAL) != 0; + m_scale = gtk_scale_new(GtkOrientation(isVertical), NULL); + + if (style & wxSL_MIN_MAX_LABELS) + { + gtk_widget_show( m_scale ); + + m_widget = gtk_box_new(GtkOrientation(!isVertical), 0); + gtk_box_pack_start(GTK_BOX(m_widget), m_scale, true, true, 0); + + GtkWidget* box = gtk_box_new(GtkOrientation(isVertical), 0); + gtk_widget_show(box); + gtk_box_pack_start(GTK_BOX(m_widget), box, true, true, 0); + + m_minLabel = gtk_label_new(NULL); + gtk_widget_show( m_minLabel ); + gtk_box_pack_start(GTK_BOX(box), m_minLabel, false, false, 0); - if (style & wxSL_VERTICAL) - m_widget = gtk_vscale_new( (GtkAdjustment *) NULL ); + // expanding empty space between the min/max labels + GtkWidget *space = gtk_label_new(NULL); + gtk_widget_show( space ); + gtk_box_pack_start(GTK_BOX(box), space, true, false, 0); + + m_maxLabel = gtk_label_new(NULL); + gtk_widget_show( m_maxLabel ); + gtk_box_pack_end(GTK_BOX(box), m_maxLabel, false, false, 0); + } else - m_widget = gtk_hscale_new( (GtkAdjustment *) NULL ); + { + m_widget = m_scale; + m_maxLabel = NULL; + m_minLabel = NULL; + } + g_object_ref(m_widget); + + const bool showValueLabel = (style & wxSL_VALUE_LABEL) != 0; + gtk_scale_set_draw_value(GTK_SCALE (m_scale), showValueLabel ); + if ( showValueLabel ) + { + // position the label appropriately: notice that wxSL_DIRECTION flags + // specify the position of the ticks, not label, under MSW and so the + // label is on the opposite side + GtkPositionType posLabel; + if ( style & wxSL_VERTICAL ) + { + if ( style & wxSL_LEFT ) + posLabel = GTK_POS_RIGHT; + else // if ( style & wxSL_RIGHT ) -- this is also the default + posLabel = GTK_POS_LEFT; + } + else // horizontal slider + { + if ( style & wxSL_TOP ) + posLabel = GTK_POS_BOTTOM; + else // if ( style & wxSL_BOTTOM) -- this is again the default + posLabel = GTK_POS_TOP; + } + + gtk_scale_set_value_pos( GTK_SCALE(m_scale), posLabel ); + } - gtk_scale_set_draw_value(GTK_SCALE (m_widget), (style & wxSL_LABELS) != 0); // Keep full precision in position value - gtk_scale_set_digits(GTK_SCALE (m_widget), -1); + gtk_scale_set_digits(GTK_SCALE (m_scale), -1); if (style & wxSL_INVERSE) - gtk_range_set_inverted( GTK_RANGE(m_widget), TRUE ); - - g_signal_connect(m_widget, "button_press_event", G_CALLBACK(gtk_button_press_event), this); - g_signal_connect(m_widget, "button_release_event", G_CALLBACK(gtk_button_release_event), this); - g_signal_connect(m_widget, "move_slider", G_CALLBACK(gtk_move_slider), this); - g_signal_connect(m_widget, "format_value", G_CALLBACK(gtk_format_value), NULL); - g_signal_connect(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this); - gulong handler_id; - handler_id = g_signal_connect( - m_widget, "event_after", G_CALLBACK(gtk_event_after), this); - g_signal_handler_block(m_widget, handler_id); + gtk_range_set_inverted( GTK_RANGE(m_scale), TRUE ); + + g_signal_connect(m_scale, "button_press_event", G_CALLBACK(gtk_button_press_event), this); + g_signal_connect(m_scale, "button_release_event", G_CALLBACK(gtk_button_release_event), this); + g_signal_connect(m_scale, "move_slider", G_CALLBACK(gtk_move_slider), this); + g_signal_connect(m_scale, "format_value", G_CALLBACK(gtk_format_value), NULL); + g_signal_connect(m_scale, "value_changed", G_CALLBACK(gtk_value_changed), this); + gulong handler_id = g_signal_connect(m_scale, "event_after", G_CALLBACK(gtk_event_after), this); + g_signal_handler_block(m_scale, handler_id); SetRange( minValue, maxValue ); - SetValue( value ); + + // don't call the public SetValue() as it won't do anything unless the + // value really changed + GTKSetValue( value ); m_parent->DoAddChild( this ); @@ -335,6 +394,21 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id, return true; } +void wxSlider::GTKDisableEvents() +{ + m_blockScrollEvent = true; +} + +void wxSlider::GTKEnableEvents() +{ + m_blockScrollEvent = false; +} + +bool wxSlider::GTKEventsDisabled() const +{ + return m_blockScrollEvent; +} + int wxSlider::GetValue() const { return wxRound(m_pos); @@ -343,41 +417,69 @@ int wxSlider::GetValue() const void wxSlider::SetValue( int value ) { if (GetValue() != value) - { - BlockScrollEvent(); - gtk_range_set_value(GTK_RANGE (m_widget), value); - UnblockScrollEvent(); - } + GTKSetValue(value); +} + +void wxSlider::GTKSetValue(int value) +{ + GTKDisableEvents(); + gtk_range_set_value(GTK_RANGE (m_scale), value); + // GTK only updates value label if handle moves at least 1 pixel + gtk_widget_queue_draw(m_scale); + GTKEnableEvents(); } void wxSlider::SetRange( int minValue, int maxValue ) { - BlockScrollEvent(); - gtk_range_set_range(GTK_RANGE (m_widget), minValue, maxValue); - gtk_range_set_increments(GTK_RANGE (m_widget), 1, (maxValue - minValue + 9) / 10); - UnblockScrollEvent(); + GTKDisableEvents(); + if (minValue == maxValue) + maxValue++; + gtk_range_set_range(GTK_RANGE (m_scale), minValue, maxValue); + gtk_range_set_increments(GTK_RANGE (m_scale), 1, (maxValue - minValue + 9) / 10); + GTKEnableEvents(); + + if (HasFlag(wxSL_MIN_MAX_LABELS)) + { + wxString str; + + str.Printf( "%d", minValue ); + if (HasFlag(wxSL_INVERSE)) + gtk_label_set_text( GTK_LABEL(m_maxLabel), str.utf8_str() ); + else + gtk_label_set_text( GTK_LABEL(m_minLabel), str.utf8_str() ); + + str.Printf( "%d", maxValue ); + if (HasFlag(wxSL_INVERSE)) + gtk_label_set_text( GTK_LABEL(m_minLabel), str.utf8_str() ); + else + gtk_label_set_text( GTK_LABEL(m_maxLabel), str.utf8_str() ); + + } } int wxSlider::GetMin() const { - return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->lower); + GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale)); + return int(gtk_adjustment_get_lower(adj)); } int wxSlider::GetMax() const { - return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->upper); + GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale)); + return int(gtk_adjustment_get_upper(adj)); } void wxSlider::SetPageSize( int pageSize ) { - BlockScrollEvent(); - gtk_range_set_increments(GTK_RANGE (m_widget), GetLineSize(), pageSize); - UnblockScrollEvent(); + GTKDisableEvents(); + gtk_range_set_increments(GTK_RANGE (m_scale), GetLineSize(), pageSize); + GTKEnableEvents(); } int wxSlider::GetPageSize() const { - return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->page_increment); + GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale)); + return int(gtk_adjustment_get_page_increment(adj)); } // GTK does not support changing the size of the slider @@ -392,26 +494,32 @@ int wxSlider::GetThumbLength() const void wxSlider::SetLineSize( int lineSize ) { - BlockScrollEvent(); - gtk_range_set_increments(GTK_RANGE (m_widget), lineSize, GetPageSize()); - UnblockScrollEvent(); + GTKDisableEvents(); + gtk_range_set_increments(GTK_RANGE (m_scale), lineSize, GetPageSize()); + GTKEnableEvents(); } int wxSlider::GetLineSize() const { - return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->step_increment); + GtkAdjustment* adj = gtk_range_get_adjustment(GTK_RANGE(m_scale)); + return int(gtk_adjustment_get_step_increment(adj)); } GdkWindow *wxSlider::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const { - return GTK_RANGE(m_widget)->event_window; +#ifdef __WXGTK3__ + // no access to internal GdkWindows + return NULL; +#else + return GTK_RANGE(m_scale)->event_window; +#endif } // static wxVisualAttributes wxSlider::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - return GetDefaultAttributesFromGTKWidget(gtk_vscale_new); + return GetDefaultAttributesFromGTKWidget(gtk_scale_new(GTK_ORIENTATION_VERTICAL, NULL)); } #endif // wxUSE_SLIDER