X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cc57f388d769cba09debd611d1e5e5f6d28aee41..94d0d21a15fa73ac426480d195d16ee04caf2de8:/src/gtk/slider.cpp diff --git a/src/gtk/slider.cpp b/src/gtk/slider.cpp index 1d6870feca..f14ae6394a 100644 --- a/src/gtk/slider.cpp +++ b/src/gtk/slider.cpp @@ -12,18 +12,14 @@ #if wxUSE_SLIDER -#ifdef __VMS - //Missing definition in OpenVMS C++ header files. - double round(double __x); -#endif - #include "wx/slider.h" #ifndef WX_PRECOMP #include "wx/utils.h" + #include "wx/math.h" #endif -#include "wx/gtk/private.h" +#include //----------------------------------------------------------------------------- // data @@ -50,7 +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 @@ -59,14 +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() ); event.SetEventObject( win ); event.SetInt( value ); - win->GetEventHandler()->ProcessEvent( event ); + win->HandleWindowEvent( event ); } static inline wxEventType GtkScrollTypeToWx(int scrollType) @@ -128,15 +124,14 @@ extern "C" { static void gtk_value_changed(GtkRange* range, wxSlider* win) { - if (g_isIdle) wxapp_install_idle_handler(); - - if (!win->m_hasVMT) return; - if (g_blockEventsOnDrag) return; - - GtkAdjustment* adj = range->adjustment; - const int pos = int(round(adj->value)); + GtkAdjustment* adj = gtk_range_get_adjustment (range); + const int pos = wxRound(adj->value); const double oldPos = win->m_pos; win->m_pos = adj->value; + + if (!win->m_hasVMT || g_blockEventsOnDrag) + return; + if (win->m_blockScrollEvent) { win->m_scrollEventType = GTK_SCROLL_NONE; @@ -183,9 +178,8 @@ gtk_value_changed(GtkRange* range, wxSlider* win) win->m_scrollEventType = GTK_SCROLL_NONE; // If integral position has changed - if (int(round(oldPos)) != pos) + if (wxRound(oldPos) != pos) { - wxCHECK_RET(eventType != wxEVT_NULL, _T("Unknown slider scroll event type")); ProcessScrollEvent(win, eventType); win->m_needThumbRelease = eventType == wxEVT_SCROLL_THUMBTRACK; } @@ -219,27 +213,28 @@ gtk_button_press_event(GtkWidget*, GdkEventButton*, wxSlider* win) } } -// Single shot idle callback, to generate thumb release event, and -// truncate position to integral value. Idle callback is used -// because position cannot be changed from button release event. +//----------------------------------------------------------------------------- +// "event_after" +//----------------------------------------------------------------------------- + extern "C" { -static gboolean -idle_thumbrelease(void* data) +static void +gtk_event_after(GtkRange* range, GdkEvent* event, wxSlider* win) { - gdk_threads_enter(); - wxSlider* win = (wxSlider*)data; - win->m_isScrolling = false; - if (win->m_needThumbRelease) + if (event->type == GDK_BUTTON_RELEASE) { - win->m_needThumbRelease = false; - ProcessScrollEvent(win, wxEVT_SCROLL_THUMBRELEASE); + g_signal_handlers_block_by_func(range, (gpointer) gtk_event_after, win); + + if (win->m_needThumbRelease) + { + win->m_needThumbRelease = false; + ProcessScrollEvent(win, wxEVT_SCROLL_THUMBRELEASE); + } + // Keep slider at an integral position + win->m_blockScrollEvent = true; + gtk_range_set_value(GTK_RANGE (win->m_widget), win->GetValue()); + win->m_blockScrollEvent = false; } - // Keep slider at an integral position - win->BlockScrollEvent(); - gtk_range_set_value((GtkRange*)win->m_widget, win->GetValue()); - win->UnblockScrollEvent(); - gdk_threads_leave(); - return false; } } @@ -249,12 +244,13 @@ idle_thumbrelease(void* data) extern "C" { static gboolean -gtk_button_release_event(GtkWidget*, GdkEventButton*, wxSlider* win) +gtk_button_release_event(GtkRange* range, GdkEventButton*, wxSlider* win) { win->m_mouseButtonDown = false; if (win->m_isScrolling) { - g_idle_add(idle_thumbrelease, win); + win->m_isScrolling = false; + g_signal_handlers_unblock_by_func(range, (gpointer) gtk_event_after, win); } return false; } @@ -268,7 +264,7 @@ extern "C" { static gchar* gtk_format_value(GtkScale*, double value, void*) { // Format value as nearest integer - return g_strdup_printf("%d", int(round(value))); + return g_strdup_printf("%d", wxRound(value)); } } @@ -281,17 +277,24 @@ IMPLEMENT_DYNAMIC_CLASS(wxSlider,wxControl) wxSlider::wxSlider() { m_pos = 0; - m_scrollEventType = 0; + m_scrollEventType = GTK_SCROLL_NONE; m_needThumbRelease = false; + m_blockScrollEvent = false; } -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 ) +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_acceptsFocus = true; - m_needParent = true; + m_pos = value; + m_scrollEventType = GTK_SCROLL_NONE; if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) @@ -300,18 +303,14 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id, return false; } - m_pos = 0; - m_scrollEventType = 0; - m_needThumbRelease = false; - if (style & wxSL_VERTICAL) m_widget = gtk_vscale_new( (GtkAdjustment *) NULL ); else m_widget = gtk_hscale_new( (GtkAdjustment *) NULL ); - gtk_scale_set_draw_value((GtkScale*)m_widget, (style & wxSL_LABELS) != 0); + gtk_scale_set_draw_value(GTK_SCALE (m_widget), (style & wxSL_LABELS) != 0); // Keep full precision in position value - gtk_scale_set_digits((GtkScale*)m_widget, -1); + gtk_scale_set_digits(GTK_SCALE (m_widget), -1); if (style & wxSL_INVERSE) gtk_range_set_inverted( GTK_RANGE(m_widget), TRUE ); @@ -321,9 +320,14 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id, 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 = g_signal_connect(m_widget, "event_after", G_CALLBACK(gtk_event_after), this); + g_signal_handler_block(m_widget, 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 ); @@ -334,47 +338,52 @@ bool wxSlider::Create(wxWindow *parent, wxWindowID id, int wxSlider::GetValue() const { - return int(round(m_pos)); + return wxRound(m_pos); } void wxSlider::SetValue( int value ) { if (GetValue() != value) - { - BlockScrollEvent(); - gtk_range_set_value((GtkRange*)m_widget, value); - UnblockScrollEvent(); - } + GTKSetValue(value); +} + +void wxSlider::GTKSetValue(int value) +{ + m_blockScrollEvent = true; + gtk_range_set_value(GTK_RANGE (m_widget), value); + m_blockScrollEvent = false; } void wxSlider::SetRange( int minValue, int maxValue ) { - BlockScrollEvent(); - gtk_range_set_range((GtkRange*)m_widget, minValue, maxValue); - gtk_range_set_increments((GtkRange*)m_widget, 1, (maxValue - minValue + 9) / 10); - UnblockScrollEvent(); + m_blockScrollEvent = true; + if (minValue == maxValue) + maxValue++; + gtk_range_set_range(GTK_RANGE (m_widget), minValue, maxValue); + gtk_range_set_increments(GTK_RANGE (m_widget), 1, (maxValue - minValue + 9) / 10); + m_blockScrollEvent = false; } int wxSlider::GetMin() const { - return int(((GtkRange*)m_widget)->adjustment->lower); + return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->lower); } int wxSlider::GetMax() const { - return int(((GtkRange*)m_widget)->adjustment->upper); + return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->upper); } void wxSlider::SetPageSize( int pageSize ) { - BlockScrollEvent(); - gtk_range_set_increments((GtkRange*)m_widget, 1, pageSize); - UnblockScrollEvent(); + m_blockScrollEvent = true; + gtk_range_set_increments(GTK_RANGE (m_widget), GetLineSize(), pageSize); + m_blockScrollEvent = false; } int wxSlider::GetPageSize() const { - return int(((GtkRange*)m_widget)->adjustment->page_increment); + return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->page_increment); } // GTK does not support changing the size of the slider @@ -387,19 +396,21 @@ int wxSlider::GetThumbLength() const return 0; } -void wxSlider::SetLineSize( int WXUNUSED(lineSize) ) +void wxSlider::SetLineSize( int lineSize ) { + m_blockScrollEvent = true; + gtk_range_set_increments(GTK_RANGE (m_widget), lineSize, GetPageSize()); + m_blockScrollEvent = false; } int wxSlider::GetLineSize() const { - return 0; + return int(gtk_range_get_adjustment (GTK_RANGE (m_widget))->step_increment); } -bool wxSlider::IsOwnGtkWindow( GdkWindow *window ) +GdkWindow *wxSlider::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const { - GtkRange *range = GTK_RANGE(m_widget); - return (range->event_window == window); + return GTK_RANGE(m_widget)->event_window; } // static