X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bbd92d1dbea02db8c28e9c17bfacc0563d855b25..e9d7a889634ee5cbe90bcc639c6197a29169be3a:/src/gtk/win_gtk.cpp diff --git a/src/gtk/win_gtk.cpp b/src/gtk/win_gtk.cpp index 97755632fc..91f6cf031c 100644 --- a/src/gtk/win_gtk.cpp +++ b/src/gtk/win_gtk.cpp @@ -7,9 +7,16 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// +#include "wx/wxprec.h" + #include "wx/defs.h" + +#include #include "wx/gtk/private/win_gtk.h" +#include "wx/gtk/private.h" +#include "wx/gtk/private/gtk2-compat.h" + /* wxPizza is a custom GTK+ widget derived from GtkFixed. A custom widget is needed to adapt GTK+ to wxWidgets needs in 3 areas: scrolling, window @@ -18,90 +25,86 @@ borders, and RTL. For scrolling, the "set_scroll_adjustments" signal is implemented to make wxPizza appear scrollable to GTK+, allowing it to be put in a GtkScrolledWindow. Child widget positions are adjusted for the scrolling -position in size_allocate. A second same-size GdkWindow is placed behind -widget->window, to allow GDK to use a more efficient scrolling technique. +position in size_allocate. -For borders, space is reserved in realize and size_allocate. -For non-scrolling wxWindows, a second GdkWindow is used for the -border; scrolling wxWindows draw their border on wxPizza's parent -(a GtkScrolledWindow) GdkWindow. Border widths for sunken and raised -styles are taken from widget->style, so they will match the current theme. +For borders, space is reserved in realize and size_allocate. The border is +drawn on wxPizza's parent GdkWindow. For RTL, child widget positions are mirrored in size_allocate. */ +struct wxPizzaChild +{ + GtkWidget* widget; + int x, y, width, height; +}; + static GtkWidgetClass* parent_class; +#ifdef __WXGTK3__ +enum { + PROP_0, + PROP_HADJUSTMENT, + PROP_VADJUSTMENT, + PROP_HSCROLL_POLICY, + PROP_VSCROLL_POLICY +}; +#endif + extern "C" { struct wxPizzaClass { GtkFixedClass parent; +#ifndef __WXGTK3__ void (*set_scroll_adjustments)(GtkWidget*, GtkAdjustment*, GtkAdjustment*); +#endif }; -static void size_allocate(GtkWidget* widget, GtkAllocation* alloc) +static void pizza_size_allocate(GtkWidget* widget, GtkAllocation* alloc) { - const bool is_resize = - widget->allocation.width != alloc->width || - widget->allocation.height != alloc->height; - const bool is_move = - widget->allocation.x != alloc->x || - widget->allocation.y != alloc->y; - - widget->allocation = *alloc; - wxPizza* pizza = WX_PIZZA(widget); - int border_x, border_y; - pizza->get_border_widths(border_x, border_y); - int w = alloc->width - 2 * border_x; + GtkBorder border; + pizza->get_border(border); + int w = alloc->width - border.left - border.right; if (w < 0) w = 0; - if (GTK_WIDGET_REALIZED(widget) && (is_move || is_resize)) + if (gtk_widget_get_realized(widget)) { - int h = alloc->height - 2 * border_y; + int h = alloc->height - border.top - border.bottom; if (h < 0) h = 0; + const int x = alloc->x + border.left; + const int y = alloc->y + border.top; - if (pizza->m_is_scrollable) - { - // two windows, both same size - gdk_window_move_resize(pizza->m_backing_window, - alloc->x + border_x, alloc->y + border_y, w, h); - if (is_resize) - gdk_window_resize(widget->window, w, h); - } - else if (pizza->m_backing_window) - { - // two windows, widget->window is smaller by border widths (need to - // move widget->window as well as resize because border can change) - gdk_window_move_resize(pizza->m_backing_window, - alloc->x, alloc->y, alloc->width, alloc->height); - gdk_window_move_resize(widget->window, border_x, border_y, w, h); - } - else - { - // one window - gdk_window_move_resize(widget->window, - alloc->x, alloc->y, alloc->width, alloc->height); - } - if (is_resize && pizza->m_backing_window) + GdkWindow* window = gtk_widget_get_window(widget); + int old_x, old_y; + gdk_window_get_position(window, &old_x, &old_y); + + if (x != old_x || y != old_y || + w != gdk_window_get_width(window) || h != gdk_window_get_height(window)) { - // wxWidgets turns off redraw-on-allocate by default, - // so border area needs to be invalidated - if (border_x > 1 || border_y > 1) + gdk_window_move_resize(window, x, y, w, h); + + if (border.left + border.right + border.top + border.bottom) { - if (pizza->m_is_scrollable) - ; // invalidate does not seem to be needed in this case - else - gdk_window_invalidate_rect(pizza->m_backing_window, NULL, false); + // old and new border areas need to be invalidated, + // otherwise they will not be erased/redrawn properly + GtkAllocation old_alloc; + gtk_widget_get_allocation(widget, &old_alloc); + GdkWindow* parent = gtk_widget_get_parent_window(widget); + gdk_window_invalidate_rect(parent, &old_alloc, false); + gdk_window_invalidate_rect(parent, alloc, false); } } } + + gtk_widget_set_allocation(widget, alloc); + // adjust child positions - for (const GList* list = pizza->m_fixed.children; list; list = list->next) + for (const GList* p = pizza->m_children; p; p = p->next) { - const GtkFixedChild* child = static_cast(list->data); - if (GTK_WIDGET_VISIBLE(child->widget)) + const wxPizzaChild* child = static_cast(p->data); + if (gtk_widget_get_visible(child->widget)) { GtkAllocation child_alloc; // note that child positions do not take border into @@ -109,103 +112,115 @@ static void size_allocate(GtkWidget* widget, GtkAllocation* alloc) // which has already been adjusted child_alloc.x = child->x - pizza->m_scroll_x; child_alloc.y = child->y - pizza->m_scroll_y; - GtkRequisition req; - gtk_widget_get_child_requisition(child->widget, &req); - child_alloc.width = req.width; - child_alloc.height = req.height; + child_alloc.width = child->width; + child_alloc.height = child->height; if (gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL) - { child_alloc.x = w - child_alloc.x - child_alloc.width; - } gtk_widget_size_allocate(child->widget, &child_alloc); } } } -static void realize(GtkWidget* widget) +static void pizza_realize(GtkWidget* widget) { parent_class->realize(widget); wxPizza* pizza = WX_PIZZA(widget); - // second window is created if there is a border, or wxWindow is scrollable - if (pizza->m_border_style || pizza->m_is_scrollable) + if (pizza->m_windowStyle & wxPizza::BORDER_STYLES) { - GdkWindowAttr attr; - attr.event_mask = pizza->m_is_scrollable ? 0 : GDK_EXPOSURE_MASK; - attr.x = widget->allocation.x; - attr.y = widget->allocation.y; - attr.width = widget->allocation.width; - attr.height = widget->allocation.height; - int border_x, border_y; - pizza->get_border_widths(border_x, border_y); - int w = widget->allocation.width - 2 * border_x; - int h = widget->allocation.height - 2 * border_y; + GtkBorder border; + pizza->get_border(border); + GtkAllocation a; + gtk_widget_get_allocation(widget, &a); + int x = a.x + border.left; + int y = a.y + border.top; + int w = a.width - border.left - border.right; + int h = a.height - border.top - border.bottom; if (w < 0) w = 0; if (h < 0) h = 0; - if (pizza->m_is_scrollable) - { - attr.x += border_x; - attr.y += border_y; - attr.width = w; - attr.height = h; - } - attr.wclass = GDK_INPUT_OUTPUT; - attr.visual = gtk_widget_get_visual(widget); - attr.colormap = gtk_widget_get_colormap(widget); - attr.window_type = GDK_WINDOW_CHILD; - - pizza->m_backing_window = gdk_window_new( - gdk_window_get_parent(widget->window), - &attr, - GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP); - - gdk_window_set_user_data(pizza->m_backing_window, widget); - if (pizza->m_is_scrollable) - gdk_window_reparent(widget->window, pizza->m_backing_window, 0, 0); - else - gdk_window_reparent(widget->window, pizza->m_backing_window, border_x, border_y); - gdk_window_resize(widget->window, w, h); - - // Parts of m_backing_window which are supposed to be obscured may be - // exposed temporarily while resizing. Setting the backing pixmap to - // None prevents those areas from being briefly painted black. - gdk_window_set_back_pixmap(pizza->m_backing_window, NULL, false); + gdk_window_move_resize(gtk_widget_get_window(widget), x, y, w, h); } } -static void unrealize(GtkWidget* widget) +static void pizza_show(GtkWidget* widget) { - parent_class->unrealize(widget); + GtkWidget* parent = gtk_widget_get_parent(widget); + if (parent && (WX_PIZZA(widget)->m_windowStyle & wxPizza::BORDER_STYLES)) + { + // invalidate whole allocation so borders will be drawn properly + GtkAllocation a; + gtk_widget_get_allocation(widget, &a); + gtk_widget_queue_draw_area(parent, a.x, a.y, a.width, a.height); + } - wxPizza* pizza = WX_PIZZA(widget); - if (pizza->m_backing_window) + parent_class->show(widget); +} + +static void pizza_hide(GtkWidget* widget) +{ + GtkWidget* parent = gtk_widget_get_parent(widget); + if (parent && (WX_PIZZA(widget)->m_windowStyle & wxPizza::BORDER_STYLES)) { - gdk_window_set_user_data(pizza->m_backing_window, NULL); - gdk_window_destroy(pizza->m_backing_window); - pizza->m_backing_window = NULL; + // invalidate whole allocation so borders will be erased properly + GtkAllocation a; + gtk_widget_get_allocation(widget, &a); + gtk_widget_queue_draw_area(parent, a.x, a.y, a.width, a.height); } + + parent_class->hide(widget); } -static void map(GtkWidget* widget) +static void pizza_add(GtkContainer* container, GtkWidget* widget) { - parent_class->map(widget); + WX_PIZZA(container)->put(widget, 0, 0, 1, 1); +} - wxPizza* pizza = WX_PIZZA(widget); - if (pizza->m_backing_window) - gdk_window_show(pizza->m_backing_window); +static void pizza_remove(GtkContainer* container, GtkWidget* widget) +{ + GTK_CONTAINER_CLASS(parent_class)->remove(container, widget); + + wxPizza* pizza = WX_PIZZA(container); + for (GList* p = pizza->m_children; p; p = p->next) + { + wxPizzaChild* child = static_cast(p->data); + if (child->widget == widget) + { + pizza->m_children = g_list_delete_link(pizza->m_children, p); + delete child; + break; + } + } } -static void unmap(GtkWidget* widget) +#ifdef __WXGTK3__ +static void pizza_get_preferred_width(GtkWidget* widget, int* minimum, int* natural) { - parent_class->unmap(widget); + *minimum = 0; + gtk_widget_get_size_request(widget, natural, NULL); + if (*natural < 0) + *natural = 0; +} - wxPizza* pizza = WX_PIZZA(widget); - if (pizza->m_backing_window) - gdk_window_hide(pizza->m_backing_window); +static void pizza_get_preferred_height(GtkWidget* widget, int* minimum, int* natural) +{ + *minimum = 0; + gtk_widget_get_size_request(widget, NULL, natural); + if (*natural < 0) + *natural = 0; } +// Needed to implement GtkScrollable interface, but we don't care about the +// properties. wxWindowGTK handles the adjustments and scroll policy. +static void pizza_get_property(GObject*, guint, GValue*, GParamSpec*) +{ +} + +static void pizza_set_property(GObject*, guint, const GValue*, GParamSpec*) +{ +} +#else // not used, but needs to exist so gtk_widget_set_scroll_adjustments will work -static void set_scroll_adjustments(GtkWidget*, GtkAdjustment*, GtkAdjustment*) +static void pizza_set_scroll_adjustments(GtkWidget*, GtkAdjustment*, GtkAdjustment*) { } @@ -247,19 +262,33 @@ g_cclosure_user_marshal_VOID__OBJECT_OBJECT (GClosure *closure, g_marshal_value_peek_object (param_values + 2), data2); } +#endif static void class_init(void* g_class, void*) { GtkWidgetClass* widget_class = (GtkWidgetClass*)g_class; - widget_class->size_allocate = size_allocate; - widget_class->realize = realize; - widget_class->unrealize = unrealize; - widget_class->map = map; - widget_class->unmap = unmap; - wxPizzaClass* klass = (wxPizzaClass*)g_class; - + widget_class->size_allocate = pizza_size_allocate; + widget_class->realize = pizza_realize; + widget_class->show = pizza_show; + widget_class->hide = pizza_hide; + GtkContainerClass* container_class = (GtkContainerClass*)g_class; + container_class->add = pizza_add; + container_class->remove = pizza_remove; + +#ifdef __WXGTK3__ + widget_class->get_preferred_width = pizza_get_preferred_width; + widget_class->get_preferred_height = pizza_get_preferred_height; + GObjectClass *gobject_class = G_OBJECT_CLASS(g_class); + gobject_class->set_property = pizza_set_property; + gobject_class->get_property = pizza_get_property; + g_object_class_override_property(gobject_class, PROP_HADJUSTMENT, "hadjustment"); + g_object_class_override_property(gobject_class, PROP_VADJUSTMENT, "vadjustment"); + g_object_class_override_property(gobject_class, PROP_HSCROLL_POLICY, "hscroll-policy"); + g_object_class_override_property(gobject_class, PROP_VSCROLL_POLICY, "vscroll-policy"); +#else + wxPizzaClass* klass = static_cast(g_class); // needed to make widget appear scrollable to GTK+ - klass->set_scroll_adjustments = set_scroll_adjustments; + klass->set_scroll_adjustments = pizza_set_scroll_adjustments; widget_class->set_scroll_adjustments_signal = g_signal_new( "set_scroll_adjustments", @@ -269,7 +298,7 @@ static void class_init(void* g_class, void*) NULL, NULL, g_cclosure_user_marshal_VOID__OBJECT_OBJECT, G_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); - +#endif parent_class = GTK_WIDGET_CLASS(g_type_class_peek_parent(g_class)); } @@ -277,7 +306,7 @@ static void class_init(void* g_class, void*) GType wxPizza::type() { - static GtkType type; + static GType type; if (type == 0) { const GTypeInfo info = { @@ -290,6 +319,10 @@ GType wxPizza::type() }; type = g_type_register_static( GTK_TYPE_FIXED, "wxPizza", &info, GTypeFlags(0)); +#ifdef __WXGTK3__ + const GInterfaceInfo interface_info = { NULL, NULL, NULL }; + g_type_add_interface_static(type, GTK_TYPE_SCROLLABLE, &interface_info); +#endif } return type; } @@ -298,13 +331,15 @@ GtkWidget* wxPizza::New(long windowStyle) { GtkWidget* widget = GTK_WIDGET(g_object_new(type(), NULL)); wxPizza* pizza = WX_PIZZA(widget); - pizza->m_backing_window = NULL; + pizza->m_children = NULL; pizza->m_scroll_x = 0; pizza->m_scroll_y = 0; - pizza->m_is_scrollable = (windowStyle & (wxHSCROLL | wxVSCROLL)) != 0; - // mask off border styles not useable with wxPizza - pizza->m_border_style = int(windowStyle & BORDER_STYLES); + pizza->m_windowStyle = windowStyle; +#ifdef __WXGTK3__ + gtk_widget_set_has_window(widget, true); +#else gtk_fixed_set_has_window(GTK_FIXED(widget), true); +#endif gtk_widget_add_events(widget, GDK_EXPOSURE_MASK | GDK_SCROLL_MASK | @@ -324,23 +359,65 @@ GtkWidget* wxPizza::New(long windowStyle) return widget; } -// gtk_fixed_move does not check for a change before issuing a queue_resize, -// we need to avoid that to prevent endless sizing loops, so check first -void wxPizza::move(GtkWidget* widget, int x, int y) +void wxPizza::move(GtkWidget* widget, int x, int y, int width, int height) { - GtkFixed* fixed = &m_fixed; - for (const GList* list = fixed->children; list; list = list->next) + for (const GList* p = m_children; p; p = p->next) { - const GtkFixedChild* child = static_cast(list->data); + wxPizzaChild* child = static_cast(p->data); if (child->widget == widget) { - if (child->x != x || child->y != y) - gtk_fixed_move(fixed, widget, x, y); + child->x = x; + child->y = y; + child->width = width; + child->height = height; + // normally a queue-resize would be needed here, but we know + // wxWindowGTK::DoMoveWindow() will take care of it break; } } } +void wxPizza::put(GtkWidget* widget, int x, int y, int width, int height) +{ + gtk_fixed_put(GTK_FIXED(this), widget, 0, 0); + + wxPizzaChild* child = new wxPizzaChild; + child->widget = widget; + child->x = x; + child->y = y; + child->width = width; + child->height = height; + m_children = g_list_append(m_children, child); +} + +struct AdjustData { + GdkWindow* window; + int dx, dy; +}; + +// Adjust allocations for all widgets using the GdkWindow which was just scrolled +extern "C" { +static void scroll_adjust(GtkWidget* widget, void* data) +{ + const AdjustData* p = static_cast(data); + GtkAllocation a; + gtk_widget_get_allocation(widget, &a); + a.x += p->dx; + a.y += p->dy; + gtk_widget_set_allocation(widget, &a); + + if (gtk_widget_get_window(widget) == p->window) + { + // GtkFrame requires a queue_resize, otherwise parts of + // the frame newly exposed by the scroll are not drawn. + // To be safe, do it for all widgets. + gtk_widget_queue_resize_no_redraw(widget); + if (GTK_IS_CONTAINER(widget)) + gtk_container_forall(GTK_CONTAINER(widget), scroll_adjust, data); + } +} +} + void wxPizza::scroll(int dx, int dy) { GtkWidget* widget = GTK_WIDGET(this); @@ -348,31 +425,46 @@ void wxPizza::scroll(int dx, int dy) dx = -dx; m_scroll_x -= dx; m_scroll_y -= dy; - if (widget->window) - gdk_window_scroll(widget->window, dx, dy); - const GList* list = m_fixed.children; - if (list) + GdkWindow* window = gtk_widget_get_window(widget); + if (window) { - const GtkFixedChild* child = static_cast(list->data); - // queueing a resize on any child will update them all - gtk_widget_queue_resize(child->widget); + gdk_window_scroll(window, dx, dy); + // Adjust child allocations. Doing a queue_resize on the children is not + // enough, sometimes they redraw in the wrong place during fast scrolling. + AdjustData data = { window, dx, dy }; + gtk_container_forall(GTK_CONTAINER(widget), scroll_adjust, &data); } } -extern GtkWidget *GetEntryWidget(); - -void wxPizza::get_border_widths(int& x, int& y) +void wxPizza::get_border(GtkBorder& border) { - x = y = 0; - if (m_border_style & wxBORDER_SIMPLE) - x = y = 1; - else if (m_border_style) +#ifndef __WXUNIVERSAL__ + if (m_windowStyle & wxBORDER_SIMPLE) + border.left = border.right = border.top = border.bottom = 1; + else if (m_windowStyle & (wxBORDER_RAISED | wxBORDER_SUNKEN | wxBORDER_THEME)) { - GtkWidget *entry_widget = GetEntryWidget(); - if (entry_widget->style) - { - x = entry_widget->style->xthickness; - y = entry_widget->style->ythickness; - } +#ifdef __WXGTK3__ + GtkStyleContext* sc; + if (m_windowStyle & (wxHSCROLL | wxVSCROLL)) + sc = gtk_widget_get_style_context(wxGTKPrivate::GetTreeWidget()); + else + sc = gtk_widget_get_style_context(wxGTKPrivate::GetEntryWidget()); + + gtk_style_context_get_border(sc, GTK_STATE_FLAG_NORMAL, &border); +#else // !__WXGTK3__ + GtkStyle* style; + if (m_windowStyle & (wxHSCROLL | wxVSCROLL)) + style = gtk_widget_get_style(wxGTKPrivate::GetTreeWidget()); + else + style = gtk_widget_get_style(wxGTKPrivate::GetEntryWidget()); + + border.left = border.right = style->xthickness; + border.top = border.bottom = style->ythickness; +#endif // !__WXGTK3__ + } + else +#endif // !__WXUNIVERSAL__ + { + border.left = border.right = border.top = border.bottom = 0; } }