X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4eccf53dd554235876dccd4e37331d64427e84c4..abd474ea63667f727940a009cc3e0b23ba9f418f:/src/gtk/win_gtk.cpp?ds=sidebyside diff --git a/src/gtk/win_gtk.cpp b/src/gtk/win_gtk.cpp index 1ad4efd4d2..bf4bd7fc2d 100644 --- a/src/gtk/win_gtk.cpp +++ b/src/gtk/win_gtk.cpp @@ -8,7 +8,8 @@ /////////////////////////////////////////////////////////////////////////////// #include "wx/defs.h" -#include "wx/gtk/win_gtk.h" +#include "wx/gtk/private.h" +#include "wx/gtk/private/win_gtk.h" /* wxPizza is a custom GTK+ widget derived from GtkFixed. A custom widget @@ -18,14 +19,10 @@ 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. */ @@ -49,59 +46,37 @@ static void size_allocate(GtkWidget* widget, GtkAllocation* alloc) 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; if (w < 0) w = 0; - if (GTK_WIDGET_REALIZED(widget) && (is_move || is_resize)) + if (gtk_widget_get_realized(widget) && (is_move || is_resize)) { int h = alloc->height - 2 * border_y; if (h < 0) h = 0; - 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) + gdk_window_move_resize(widget->window, + alloc->x + border_x, alloc->y + border_y, w, h); + + if (is_resize && (border_x || border_y)) { - // wxWidgets turns off redraw-on-allocate by default, - // so border area needs to be invalidated - if (border_x > 1 || border_y > 1) - { - 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 + GdkWindow* parent = gtk_widget_get_parent_window(widget); + gdk_window_invalidate_rect(parent, &widget->allocation, false); + gdk_window_invalidate_rect(parent, alloc, false); } } + + widget->allocation = *alloc; + // adjust child positions for (const GList* list = pizza->m_fixed.children; list; list = list->next) { const GtkFixedChild* child = static_cast(list->data); - if (GTK_WIDGET_VISIBLE(child->widget)) + if (gtk_widget_get_visible(child->widget)) { GtkAllocation child_alloc; // note that child positions do not take border into @@ -114,9 +89,7 @@ static void size_allocate(GtkWidget* widget, GtkAllocation* alloc) child_alloc.width = req.width; child_alloc.height = req.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); } } @@ -127,81 +100,42 @@ static void 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_border_style) { - 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 x = widget->allocation.x + border_x; + int y = widget->allocation.y + border_y; int w = widget->allocation.width - 2 * border_x; int h = widget->allocation.height - 2 * border_y; 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(widget->window, x, y, w, h); } } -static void unrealize(GtkWidget* widget) +static void show(GtkWidget* widget) { - parent_class->unrealize(widget); - - wxPizza* pizza = WX_PIZZA(widget); - if (pizza->m_backing_window) + if (widget->parent && WX_PIZZA(widget)->m_border_style) { - 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 drawn properly + const GtkAllocation& a = widget->allocation; + gtk_widget_queue_draw_area(widget->parent, a.x, a.y, a.width, a.height); } -} - -static void map(GtkWidget* widget) -{ - parent_class->map(widget); - wxPizza* pizza = WX_PIZZA(widget); - if (pizza->m_backing_window) - gdk_window_show(pizza->m_backing_window); + parent_class->show(widget); } -static void unmap(GtkWidget* widget) +static void hide(GtkWidget* widget) { - parent_class->unmap(widget); + if (widget->parent && WX_PIZZA(widget)->m_border_style) + { + // invalidate whole allocation so borders will be erased properly + const GtkAllocation& a = widget->allocation; + gtk_widget_queue_draw_area(widget->parent, a.x, a.y, a.width, a.height); + } - wxPizza* pizza = WX_PIZZA(widget); - if (pizza->m_backing_window) - gdk_window_hide(pizza->m_backing_window); + parent_class->hide(widget); } // not used, but needs to exist so gtk_widget_set_scroll_adjustments will work @@ -253,9 +187,8 @@ 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; + widget_class->show = show; + widget_class->hide = hide; wxPizzaClass* klass = (wxPizzaClass*)g_class; // needed to make widget appear scrollable to GTK+ @@ -298,13 +231,16 @@ 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_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); +#if GTK_CHECK_VERSION(3,0,0) || defined(GTK_DISABLE_DEPRECATED) + 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 | @@ -341,6 +277,36 @@ void wxPizza::move(GtkWidget* widget, int x, int y) } } +void wxPizza::put(GtkWidget* widget, int x, int y) +{ + gtk_fixed_put(&m_fixed, widget, x, y); +} + +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); + widget->allocation.x += p->dx; + widget->allocation.y += p->dy; + + if (widget->window == 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); @@ -349,30 +315,43 @@ void wxPizza::scroll(int dx, int dy) 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) { - 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(widget->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 = { widget->window, dx, dy }; + gtk_container_forall(GTK_CONTAINER(widget), scroll_adjust, &data); } } -extern GtkWidget *GetEntryWidget(); - void wxPizza::get_border_widths(int& x, int& y) { x = y = 0; + if (m_border_style == 0) + return; + +#ifndef __WXUNIVERSAL__ if (m_border_style & wxBORDER_SIMPLE) x = y = 1; - else if (m_border_style) + else if (m_is_scrollable /* || (m_border_style & wxBORDER_THEME) */) { - GtkWidget *entry_widget = GetEntryWidget(); - if (entry_widget->style) + GtkWidget *style_widget = wxGTKPrivate::GetTreeWidget(); + + if (style_widget->style) + { + x = style_widget->style->xthickness; + y = style_widget->style->ythickness; + } + } + else + { + GtkWidget *style_widget = wxGTKPrivate::GetEntryWidget(); + + if (style_widget->style) { - x = entry_widget->style->xthickness; - y = entry_widget->style->ythickness; + x = style_widget->style->xthickness; + y = style_widget->style->ythickness; } } +#endif }