1231 lines
42 KiB
C++
1231 lines
42 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <dlfcn.h>
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#include <gtk/gtk.h>
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#include "WidgetStyleCache.h"
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#include "gtkdrawing.h"
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#define STATE_FLAG_DIR_LTR (1U << 7)
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#define STATE_FLAG_DIR_RTL (1U << 8)
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#if GTK_CHECK_VERSION(3,8,0)
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static_assert(GTK_STATE_FLAG_DIR_LTR == STATE_FLAG_DIR_LTR &&
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GTK_STATE_FLAG_DIR_RTL == STATE_FLAG_DIR_RTL,
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"incorrect direction state flags");
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#endif
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static GtkWidget* sWidgetStorage[MOZ_GTK_WIDGET_NODE_COUNT];
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static GtkStyleContext* sStyleStorage[MOZ_GTK_WIDGET_NODE_COUNT];
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static bool sStyleContextNeedsRestore;
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#ifdef DEBUG
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static GtkStyleContext* sCurrentStyleContext;
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#endif
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static GtkStyleContext*
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GetWidgetRootStyle(WidgetNodeType aNodeType);
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static GtkStyleContext*
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GetCssNodeStyleInternal(WidgetNodeType aNodeType);
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static GtkWidget*
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CreateWindowWidget()
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{
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GtkWidget *widget = gtk_window_new(GTK_WINDOW_POPUP);
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gtk_widget_set_name(widget, "MozillaGtkWidget");
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return widget;
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}
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static GtkWidget*
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CreateWindowContainerWidget()
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{
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GtkWidget *widget = gtk_fixed_new();
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gtk_container_add(GTK_CONTAINER(GetWidget(MOZ_GTK_WINDOW)), widget);
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return widget;
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}
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static void
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AddToWindowContainer(GtkWidget* widget)
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{
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gtk_container_add(GTK_CONTAINER(GetWidget(MOZ_GTK_WINDOW_CONTAINER)), widget);
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}
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static GtkWidget*
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CreateScrollbarWidget(WidgetNodeType aWidgetType, GtkOrientation aOrientation)
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{
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GtkWidget* widget = gtk_scrollbar_new(aOrientation, nullptr);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateCheckboxWidget()
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{
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GtkWidget* widget = gtk_check_button_new_with_label("M");
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateRadiobuttonWidget()
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{
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GtkWidget* widget = gtk_radio_button_new_with_label(nullptr, "M");
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateMenuBarWidget()
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{
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GtkWidget* widget = gtk_menu_bar_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateMenuPopupWidget()
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{
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GtkWidget* widget = gtk_menu_new();
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gtk_menu_attach_to_widget(GTK_MENU(widget), GetWidget(MOZ_GTK_WINDOW),
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nullptr);
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return widget;
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}
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static GtkWidget*
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CreateProgressWidget()
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{
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GtkWidget* widget = gtk_progress_bar_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateTooltipWidget()
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{
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MOZ_ASSERT(gtk_check_version(3, 20, 0) != nullptr,
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"CreateTooltipWidget should be used for Gtk < 3.20 only.");
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GtkWidget* widget = CreateWindowWidget();
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GtkStyleContext* style = gtk_widget_get_style_context(widget);
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gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
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return widget;
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}
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static GtkWidget*
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CreateExpanderWidget()
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{
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GtkWidget* widget = gtk_expander_new("M");
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateFrameWidget()
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{
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GtkWidget* widget = gtk_frame_new(nullptr);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateGripperWidget()
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{
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GtkWidget* widget = gtk_handle_box_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateToolbarWidget()
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{
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GtkWidget* widget = gtk_toolbar_new();
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gtk_container_add(GTK_CONTAINER(GetWidget(MOZ_GTK_GRIPPER)), widget);
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return widget;
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}
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static GtkWidget*
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CreateToolbarSeparatorWidget()
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{
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GtkWidget* widget = GTK_WIDGET(gtk_separator_tool_item_new());
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateInfoBarWidget()
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{
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GtkWidget* widget = gtk_info_bar_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateButtonWidget()
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{
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GtkWidget* widget = gtk_button_new_with_label("M");
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateToggleButtonWidget()
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{
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GtkWidget* widget = gtk_toggle_button_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateButtonArrowWidget()
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{
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GtkWidget* widget = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
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gtk_container_add(GTK_CONTAINER(GetWidget(MOZ_GTK_TOGGLE_BUTTON)), widget);
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gtk_widget_show(widget);
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return widget;
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}
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static GtkWidget*
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CreateSpinWidget()
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{
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GtkWidget* widget = gtk_spin_button_new(nullptr, 1, 0);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateEntryWidget()
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{
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GtkWidget* widget = gtk_entry_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateComboBoxWidget()
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{
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GtkWidget* widget = gtk_combo_box_new();
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AddToWindowContainer(widget);
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return widget;
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}
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typedef struct
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{
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GType type;
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GtkWidget** widget;
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} GtkInnerWidgetInfo;
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static void
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GetInnerWidget(GtkWidget* widget, gpointer client_data)
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{
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auto info = static_cast<GtkInnerWidgetInfo*>(client_data);
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if (G_TYPE_CHECK_INSTANCE_TYPE(widget, info->type)) {
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*info->widget = widget;
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}
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}
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static GtkWidget*
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CreateComboBoxButtonWidget()
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{
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GtkWidget* comboBox = GetWidget(MOZ_GTK_COMBOBOX);
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GtkWidget* comboBoxButton = nullptr;
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/* Get its inner Button */
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GtkInnerWidgetInfo info = { GTK_TYPE_TOGGLE_BUTTON,
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&comboBoxButton };
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gtk_container_forall(GTK_CONTAINER(comboBox),
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GetInnerWidget, &info);
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if (!comboBoxButton) {
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/* Shouldn't be reached with current internal gtk implementation; we
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* use a generic toggle button as last resort fallback to avoid
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* crashing. */
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comboBoxButton = GetWidget(MOZ_GTK_TOGGLE_BUTTON);
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} else {
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/* We need to have pointers to the inner widgets (button, separator, arrow)
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* of the ComboBox to get the correct rendering from theme engines which
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* special cases their look. Since the inner layout can change, we ask GTK
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* to NULL our pointers when they are about to become invalid because the
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* corresponding widgets don't exist anymore. It's the role of
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* g_object_add_weak_pointer().
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* Note that if we don't find the inner widgets (which shouldn't happen), we
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* fallback to use generic "non-inner" widgets, and they don't need that kind
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* of weak pointer since they are explicit children of gProtoLayout and as
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* such GTK holds a strong reference to them. */
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g_object_add_weak_pointer(G_OBJECT(comboBoxButton),
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reinterpret_cast<gpointer *>(sWidgetStorage) +
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MOZ_GTK_COMBOBOX_BUTTON);
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}
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return comboBoxButton;
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}
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static GtkWidget*
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CreateComboBoxArrowWidget()
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{
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GtkWidget* comboBoxButton = GetWidget(MOZ_GTK_COMBOBOX_BUTTON);
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GtkWidget* comboBoxArrow = nullptr;
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/* Get the widgets inside the Button */
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GtkWidget* buttonChild = gtk_bin_get_child(GTK_BIN(comboBoxButton));
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if (GTK_IS_BOX(buttonChild)) {
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/* appears-as-list = FALSE, cell-view = TRUE; the button
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* contains an hbox. This hbox is there because the ComboBox
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* needs to place a cell renderer, a separator, and an arrow in
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* the button when appears-as-list is FALSE. */
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GtkInnerWidgetInfo info = { GTK_TYPE_ARROW,
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&comboBoxArrow };
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gtk_container_forall(GTK_CONTAINER(buttonChild),
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GetInnerWidget, &info);
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} else if (GTK_IS_ARROW(buttonChild)) {
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/* appears-as-list = TRUE, or cell-view = FALSE;
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* the button only contains an arrow */
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comboBoxArrow = buttonChild;
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}
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if (!comboBoxArrow) {
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/* Shouldn't be reached with current internal gtk implementation;
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* we gButtonArrowWidget as last resort fallback to avoid
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* crashing. */
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comboBoxArrow = GetWidget(MOZ_GTK_BUTTON_ARROW);
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} else {
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g_object_add_weak_pointer(G_OBJECT(comboBoxArrow),
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reinterpret_cast<gpointer *>(sWidgetStorage) +
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MOZ_GTK_COMBOBOX_ARROW);
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}
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return comboBoxArrow;
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}
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static GtkWidget*
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CreateComboBoxSeparatorWidget()
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{
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// Ensure to search for separator only once as it can fail
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// TODO - it won't initialize after ResetWidgetCache() call
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static bool isMissingSeparator = false;
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if (isMissingSeparator)
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return nullptr;
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/* Get the widgets inside the Button */
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GtkWidget* comboBoxSeparator = nullptr;
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GtkWidget* buttonChild =
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gtk_bin_get_child(GTK_BIN(GetWidget(MOZ_GTK_COMBOBOX_BUTTON)));
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if (GTK_IS_BOX(buttonChild)) {
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/* appears-as-list = FALSE, cell-view = TRUE; the button
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* contains an hbox. This hbox is there because the ComboBox
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* needs to place a cell renderer, a separator, and an arrow in
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* the button when appears-as-list is FALSE. */
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GtkInnerWidgetInfo info = { GTK_TYPE_SEPARATOR,
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&comboBoxSeparator };
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gtk_container_forall(GTK_CONTAINER(buttonChild),
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GetInnerWidget, &info);
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}
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if (comboBoxSeparator) {
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g_object_add_weak_pointer(G_OBJECT(comboBoxSeparator),
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reinterpret_cast<gpointer *>(sWidgetStorage) +
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MOZ_GTK_COMBOBOX_SEPARATOR);
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} else {
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/* comboBoxSeparator may be NULL
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* when "appears-as-list" = TRUE or "cell-view" = FALSE;
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* if there is no separator, then we just won't paint it. */
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isMissingSeparator = true;
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}
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return comboBoxSeparator;
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}
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static GtkWidget*
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CreateComboBoxEntryWidget()
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{
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GtkWidget* widget = gtk_combo_box_new_with_entry();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateComboBoxEntryTextareaWidget()
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{
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GtkWidget* comboBoxTextarea = nullptr;
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/* Get its inner Entry and Button */
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GtkInnerWidgetInfo info = { GTK_TYPE_ENTRY,
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&comboBoxTextarea };
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gtk_container_forall(GTK_CONTAINER(GetWidget(MOZ_GTK_COMBOBOX_ENTRY)),
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GetInnerWidget, &info);
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if (!comboBoxTextarea) {
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comboBoxTextarea = GetWidget(MOZ_GTK_ENTRY);
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} else {
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g_object_add_weak_pointer(G_OBJECT(comboBoxTextarea),
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reinterpret_cast<gpointer *>(sWidgetStorage) +
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MOZ_GTK_COMBOBOX_ENTRY);
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}
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return comboBoxTextarea;
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}
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static GtkWidget*
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CreateComboBoxEntryButtonWidget()
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{
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GtkWidget* comboBoxButton = nullptr;
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/* Get its inner Entry and Button */
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GtkInnerWidgetInfo info = { GTK_TYPE_TOGGLE_BUTTON,
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&comboBoxButton };
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gtk_container_forall(GTK_CONTAINER(GetWidget(MOZ_GTK_COMBOBOX_ENTRY)),
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GetInnerWidget, &info);
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if (!comboBoxButton) {
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comboBoxButton = GetWidget(MOZ_GTK_TOGGLE_BUTTON);
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} else {
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g_object_add_weak_pointer(G_OBJECT(comboBoxButton),
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reinterpret_cast<gpointer *>(sWidgetStorage) +
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MOZ_GTK_COMBOBOX_ENTRY_BUTTON);
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}
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return comboBoxButton;
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}
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static GtkWidget*
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CreateComboBoxEntryArrowWidget()
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{
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GtkWidget* comboBoxArrow = nullptr;
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/* Get the Arrow inside the Button */
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GtkWidget* buttonChild =
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gtk_bin_get_child(GTK_BIN(GetWidget(MOZ_GTK_COMBOBOX_ENTRY_BUTTON)));
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if (GTK_IS_BOX(buttonChild)) {
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/* appears-as-list = FALSE, cell-view = TRUE; the button
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* contains an hbox. This hbox is there because the ComboBox
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* needs to place a cell renderer, a separator, and an arrow in
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* the button when appears-as-list is FALSE. */
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GtkInnerWidgetInfo info = { GTK_TYPE_ARROW,
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&comboBoxArrow };
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gtk_container_forall(GTK_CONTAINER(buttonChild),
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GetInnerWidget, &info);
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} else if (GTK_IS_ARROW(buttonChild)) {
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/* appears-as-list = TRUE, or cell-view = FALSE;
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* the button only contains an arrow */
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comboBoxArrow = buttonChild;
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}
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if (!comboBoxArrow) {
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/* Shouldn't be reached with current internal gtk implementation;
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* we gButtonArrowWidget as last resort fallback to avoid
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* crashing. */
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comboBoxArrow = GetWidget(MOZ_GTK_BUTTON_ARROW);
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} else {
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g_object_add_weak_pointer(G_OBJECT(comboBoxArrow),
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reinterpret_cast<gpointer *>(sWidgetStorage) +
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MOZ_GTK_COMBOBOX_ENTRY_ARROW);
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}
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return comboBoxArrow;
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}
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static GtkWidget*
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CreateScrolledWindowWidget()
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{
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GtkWidget* widget = gtk_scrolled_window_new(nullptr, nullptr);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateMenuSeparatorWidget()
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{
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GtkWidget* widget = gtk_separator_menu_item_new();
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gtk_menu_shell_append(GTK_MENU_SHELL(GetWidget(MOZ_GTK_MENUPOPUP)),
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widget);
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return widget;
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}
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static GtkWidget*
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CreateTreeViewWidget()
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{
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GtkWidget* widget = gtk_tree_view_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateTreeHeaderCellWidget()
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{
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/*
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* Some GTK engines paint the first and last cell
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* of a TreeView header with a highlight.
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* Since we do not know where our widget will be relative
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* to the other buttons in the TreeView header, we must
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* paint it as a button that is between two others,
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* thus ensuring it is neither the first or last button
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* in the header.
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* GTK doesn't give us a way to do this explicitly,
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* so we must paint with a button that is between two
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* others.
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*/
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GtkTreeViewColumn* firstTreeViewColumn;
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GtkTreeViewColumn* middleTreeViewColumn;
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GtkTreeViewColumn* lastTreeViewColumn;
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GtkWidget *treeView = GetWidget(MOZ_GTK_TREEVIEW);
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/* Create and append our three columns */
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firstTreeViewColumn = gtk_tree_view_column_new();
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gtk_tree_view_column_set_title(firstTreeViewColumn, "M");
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gtk_tree_view_append_column(GTK_TREE_VIEW(treeView),
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firstTreeViewColumn);
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middleTreeViewColumn = gtk_tree_view_column_new();
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gtk_tree_view_column_set_title(middleTreeViewColumn, "M");
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gtk_tree_view_append_column(GTK_TREE_VIEW(treeView),
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middleTreeViewColumn);
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lastTreeViewColumn = gtk_tree_view_column_new();
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gtk_tree_view_column_set_title(lastTreeViewColumn, "M");
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gtk_tree_view_append_column(GTK_TREE_VIEW(treeView),
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lastTreeViewColumn);
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/* Use the middle column's header for our button */
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return gtk_tree_view_column_get_button(middleTreeViewColumn);
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}
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static GtkWidget*
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CreateTreeHeaderSortArrowWidget()
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{
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/* TODO, but it can't be NULL */
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GtkWidget* widget = gtk_button_new();
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateHPanedWidget()
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{
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GtkWidget* widget = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateVPanedWidget()
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{
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GtkWidget* widget = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateScaleWidget(GtkOrientation aOrientation)
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{
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GtkWidget* widget = gtk_scale_new(aOrientation, nullptr);
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AddToWindowContainer(widget);
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return widget;
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}
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static GtkWidget*
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CreateNotebookWidget()
|
|
{
|
|
GtkWidget* widget = gtk_notebook_new();
|
|
AddToWindowContainer(widget);
|
|
return widget;
|
|
}
|
|
|
|
static GtkWidget*
|
|
CreateWidget(WidgetNodeType aWidgetType)
|
|
{
|
|
switch (aWidgetType) {
|
|
case MOZ_GTK_WINDOW:
|
|
return CreateWindowWidget();
|
|
case MOZ_GTK_WINDOW_CONTAINER:
|
|
return CreateWindowContainerWidget();
|
|
case MOZ_GTK_CHECKBUTTON_CONTAINER:
|
|
return CreateCheckboxWidget();
|
|
case MOZ_GTK_PROGRESSBAR:
|
|
return CreateProgressWidget();
|
|
case MOZ_GTK_RADIOBUTTON_CONTAINER:
|
|
return CreateRadiobuttonWidget();
|
|
case MOZ_GTK_SCROLLBAR_HORIZONTAL:
|
|
return CreateScrollbarWidget(aWidgetType,
|
|
GTK_ORIENTATION_HORIZONTAL);
|
|
case MOZ_GTK_SCROLLBAR_VERTICAL:
|
|
return CreateScrollbarWidget(aWidgetType,
|
|
GTK_ORIENTATION_VERTICAL);
|
|
case MOZ_GTK_MENUBAR:
|
|
return CreateMenuBarWidget();
|
|
case MOZ_GTK_MENUPOPUP:
|
|
return CreateMenuPopupWidget();
|
|
case MOZ_GTK_MENUSEPARATOR:
|
|
return CreateMenuSeparatorWidget();
|
|
case MOZ_GTK_EXPANDER:
|
|
return CreateExpanderWidget();
|
|
case MOZ_GTK_FRAME:
|
|
return CreateFrameWidget();
|
|
case MOZ_GTK_GRIPPER:
|
|
return CreateGripperWidget();
|
|
case MOZ_GTK_TOOLBAR:
|
|
return CreateToolbarWidget();
|
|
case MOZ_GTK_TOOLBAR_SEPARATOR:
|
|
return CreateToolbarSeparatorWidget();
|
|
case MOZ_GTK_INFO_BAR:
|
|
return CreateInfoBarWidget();
|
|
case MOZ_GTK_SPINBUTTON:
|
|
return CreateSpinWidget();
|
|
case MOZ_GTK_BUTTON:
|
|
return CreateButtonWidget();
|
|
case MOZ_GTK_TOGGLE_BUTTON:
|
|
return CreateToggleButtonWidget();
|
|
case MOZ_GTK_BUTTON_ARROW:
|
|
return CreateButtonArrowWidget();
|
|
case MOZ_GTK_ENTRY:
|
|
return CreateEntryWidget();
|
|
case MOZ_GTK_SCROLLED_WINDOW:
|
|
return CreateScrolledWindowWidget();
|
|
case MOZ_GTK_TREEVIEW:
|
|
return CreateTreeViewWidget();
|
|
case MOZ_GTK_TREE_HEADER_CELL:
|
|
return CreateTreeHeaderCellWidget();
|
|
case MOZ_GTK_TREE_HEADER_SORTARROW:
|
|
return CreateTreeHeaderSortArrowWidget();
|
|
case MOZ_GTK_SPLITTER_HORIZONTAL:
|
|
return CreateHPanedWidget();
|
|
case MOZ_GTK_SPLITTER_VERTICAL:
|
|
return CreateVPanedWidget();
|
|
case MOZ_GTK_SCALE_HORIZONTAL:
|
|
return CreateScaleWidget(GTK_ORIENTATION_HORIZONTAL);
|
|
case MOZ_GTK_SCALE_VERTICAL:
|
|
return CreateScaleWidget(GTK_ORIENTATION_VERTICAL);
|
|
case MOZ_GTK_NOTEBOOK:
|
|
return CreateNotebookWidget();
|
|
case MOZ_GTK_COMBOBOX:
|
|
return CreateComboBoxWidget();
|
|
case MOZ_GTK_COMBOBOX_BUTTON:
|
|
return CreateComboBoxButtonWidget();
|
|
case MOZ_GTK_COMBOBOX_ARROW:
|
|
return CreateComboBoxArrowWidget();
|
|
case MOZ_GTK_COMBOBOX_SEPARATOR:
|
|
return CreateComboBoxSeparatorWidget();
|
|
case MOZ_GTK_COMBOBOX_ENTRY:
|
|
return CreateComboBoxEntryWidget();
|
|
case MOZ_GTK_COMBOBOX_ENTRY_TEXTAREA:
|
|
return CreateComboBoxEntryTextareaWidget();
|
|
case MOZ_GTK_COMBOBOX_ENTRY_BUTTON:
|
|
return CreateComboBoxEntryButtonWidget();
|
|
case MOZ_GTK_COMBOBOX_ENTRY_ARROW:
|
|
return CreateComboBoxEntryArrowWidget();
|
|
default:
|
|
/* Not implemented */
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
GtkWidget*
|
|
GetWidget(WidgetNodeType aWidgetType)
|
|
{
|
|
GtkWidget* widget = sWidgetStorage[aWidgetType];
|
|
if (!widget) {
|
|
widget = CreateWidget(aWidgetType);
|
|
// Some widgets (MOZ_GTK_COMBOBOX_SEPARATOR for instance) may not be
|
|
// available or implemented.
|
|
if (!widget)
|
|
return nullptr;
|
|
// In GTK versions prior to 3.18, automatic invalidation of style contexts
|
|
// for widgets was delayed until the next resize event. Gecko however,
|
|
// typically uses the style context before the resize event runs and so an
|
|
// explicit invalidation may be required. This is necessary if a style
|
|
// property was retrieved before all changes were made to the style
|
|
// context. One such situation is where gtk_button_construct_child()
|
|
// retrieves the style property "image-spacing" during construction of the
|
|
// GtkButton, before its parent is set to provide inheritance of ancestor
|
|
// properties. More recent GTK versions do not need this, but do not
|
|
// re-resolve until required and so invalidation does not trigger
|
|
// unnecessary resolution in general.
|
|
GtkStyleContext* style = gtk_widget_get_style_context(widget);
|
|
gtk_style_context_invalidate(style);
|
|
|
|
sWidgetStorage[aWidgetType] = widget;
|
|
}
|
|
return widget;
|
|
}
|
|
|
|
GtkStyleContext*
|
|
CreateStyleForWidget(GtkWidget* aWidget, GtkStyleContext* aParentStyle)
|
|
{
|
|
static auto sGtkWidgetClassGetCSSName =
|
|
reinterpret_cast<const char* (*)(GtkWidgetClass*)>
|
|
(dlsym(RTLD_DEFAULT, "gtk_widget_class_get_css_name"));
|
|
|
|
GtkWidgetClass *widgetClass = GTK_WIDGET_GET_CLASS(aWidget);
|
|
const gchar* name = sGtkWidgetClassGetCSSName ?
|
|
sGtkWidgetClassGetCSSName(widgetClass) : nullptr;
|
|
|
|
GtkStyleContext *context =
|
|
CreateCSSNode(name, aParentStyle, G_TYPE_FROM_CLASS(widgetClass));
|
|
|
|
// Classes are stored on the style context instead of the path so that any
|
|
// future gtk_style_context_save() will inherit classes on the head CSS
|
|
// node, in the same way as happens when called on a style context owned by
|
|
// a widget.
|
|
//
|
|
// Classes can be stored on a GtkCssNodeDeclaration and/or the path.
|
|
// gtk_style_context_save() reuses the GtkCssNodeDeclaration, and appends a
|
|
// new object to the path, without copying the classes from the old path
|
|
// head. The new head picks up classes from the GtkCssNodeDeclaration, but
|
|
// not the path. GtkWidgets store their classes on the
|
|
// GtkCssNodeDeclaration, so make sure to add classes there.
|
|
//
|
|
// Picking up classes from the style context also means that
|
|
// https://bugzilla.gnome.org/show_bug.cgi?id=767312, which can stop
|
|
// gtk_widget_path_append_for_widget() from finding classes in GTK 3.20,
|
|
// is not a problem.
|
|
GtkStyleContext* widgetStyle = gtk_widget_get_style_context(aWidget);
|
|
GList* classes = gtk_style_context_list_classes(widgetStyle);
|
|
for (GList* link = classes; link; link = link->next) {
|
|
gtk_style_context_add_class(context, static_cast<gchar*>(link->data));
|
|
}
|
|
g_list_free(classes);
|
|
|
|
// Release any floating reference on aWidget.
|
|
g_object_ref_sink(aWidget);
|
|
g_object_unref(aWidget);
|
|
|
|
return context;
|
|
}
|
|
|
|
static GtkStyleContext*
|
|
CreateStyleForWidget(GtkWidget* aWidget, WidgetNodeType aParentType)
|
|
{
|
|
return CreateStyleForWidget(aWidget, GetWidgetRootStyle(aParentType));
|
|
}
|
|
|
|
GtkStyleContext*
|
|
CreateCSSNode(const char* aName, GtkStyleContext* aParentStyle, GType aType)
|
|
{
|
|
static auto sGtkWidgetPathIterSetObjectName =
|
|
reinterpret_cast<void (*)(GtkWidgetPath *, gint, const char *)>
|
|
(dlsym(RTLD_DEFAULT, "gtk_widget_path_iter_set_object_name"));
|
|
|
|
GtkWidgetPath* path;
|
|
if (aParentStyle) {
|
|
path = gtk_widget_path_copy(gtk_style_context_get_path(aParentStyle));
|
|
// Copy classes from the parent style context to its corresponding node in
|
|
// the path, because GTK will only match against ancestor classes if they
|
|
// are on the path.
|
|
GList* classes = gtk_style_context_list_classes(aParentStyle);
|
|
for (GList* link = classes; link; link = link->next) {
|
|
gtk_widget_path_iter_add_class(path, -1, static_cast<gchar*>(link->data));
|
|
}
|
|
g_list_free(classes);
|
|
} else {
|
|
path = gtk_widget_path_new();
|
|
}
|
|
|
|
gtk_widget_path_append_type(path, aType);
|
|
|
|
if (sGtkWidgetPathIterSetObjectName) {
|
|
(*sGtkWidgetPathIterSetObjectName)(path, -1, aName);
|
|
}
|
|
|
|
GtkStyleContext *context = gtk_style_context_new();
|
|
gtk_style_context_set_path(context, path);
|
|
gtk_style_context_set_parent(context, aParentStyle);
|
|
gtk_widget_path_unref(path);
|
|
|
|
// In GTK 3.4, gtk_render_* functions use |theming_engine| on the style
|
|
// context without ensuring any style resolution sets it appropriately
|
|
// in style_data_lookup(). e.g.
|
|
// https://git.gnome.org/browse/gtk+/tree/gtk/gtkstylecontext.c?h=3.4.4#n3847
|
|
//
|
|
// That can result in incorrect drawing on first draw. To work around this,
|
|
// force a style look-up to set |theming_engine|. It is sufficient to do
|
|
// this only on context creation, instead of after every modification to the
|
|
// context, because themes typically (Ambiance and oxygen-gtk, at least) set
|
|
// the "engine" property with the '*' selector.
|
|
if (GTK_MAJOR_VERSION == 3 && gtk_get_minor_version() < 6) {
|
|
GdkRGBA unused;
|
|
gtk_style_context_get_color(context, GTK_STATE_FLAG_NORMAL, &unused);
|
|
}
|
|
|
|
return context;
|
|
}
|
|
|
|
// Return a style context matching that of the root CSS node of a widget.
|
|
// This is used by all GTK versions.
|
|
static GtkStyleContext*
|
|
GetWidgetRootStyle(WidgetNodeType aNodeType)
|
|
{
|
|
GtkStyleContext* style = sStyleStorage[aNodeType];
|
|
if (style)
|
|
return style;
|
|
|
|
switch (aNodeType) {
|
|
case MOZ_GTK_MENUBARITEM:
|
|
style = CreateStyleForWidget(gtk_menu_item_new(), MOZ_GTK_MENUBAR);
|
|
break;
|
|
case MOZ_GTK_MENUITEM:
|
|
style = CreateStyleForWidget(gtk_menu_item_new(), MOZ_GTK_MENUPOPUP);
|
|
break;
|
|
case MOZ_GTK_IMAGEMENUITEM:
|
|
style = CreateStyleForWidget(gtk_image_menu_item_new(), MOZ_GTK_MENUPOPUP);
|
|
break;
|
|
case MOZ_GTK_CHECKMENUITEM:
|
|
style = CreateStyleForWidget(gtk_check_menu_item_new(), MOZ_GTK_MENUPOPUP);
|
|
break;
|
|
case MOZ_GTK_RADIOMENUITEM:
|
|
style = CreateStyleForWidget(gtk_radio_menu_item_new(nullptr),
|
|
MOZ_GTK_MENUPOPUP);
|
|
break;
|
|
case MOZ_GTK_TEXT_VIEW:
|
|
style = CreateStyleForWidget(gtk_text_view_new(),
|
|
MOZ_GTK_SCROLLED_WINDOW);
|
|
break;
|
|
case MOZ_GTK_TOOLTIP:
|
|
if (gtk_check_version(3, 20, 0) != nullptr) {
|
|
// The tooltip style class is added first in CreateTooltipWidget()
|
|
// and transfered to style in CreateStyleForWidget().
|
|
GtkWidget* tooltipWindow = CreateTooltipWidget();
|
|
style = CreateStyleForWidget(tooltipWindow, nullptr);
|
|
gtk_widget_destroy(tooltipWindow); // Release GtkWindow self-reference.
|
|
} else {
|
|
// We create this from the path because GtkTooltipWindow is not public.
|
|
style = CreateCSSNode("tooltip", nullptr, GTK_TYPE_TOOLTIP);
|
|
gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
|
|
}
|
|
break;
|
|
case MOZ_GTK_TOOLTIP_BOX:
|
|
style = CreateStyleForWidget(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0),
|
|
MOZ_GTK_TOOLTIP);
|
|
break;
|
|
case MOZ_GTK_TOOLTIP_BOX_LABEL:
|
|
style = CreateStyleForWidget(gtk_label_new(nullptr),
|
|
MOZ_GTK_TOOLTIP_BOX);
|
|
break;
|
|
default:
|
|
GtkWidget* widget = GetWidget(aNodeType);
|
|
MOZ_ASSERT(widget);
|
|
return gtk_widget_get_style_context(widget);
|
|
}
|
|
|
|
MOZ_ASSERT(style);
|
|
sStyleStorage[aNodeType] = style;
|
|
return style;
|
|
}
|
|
|
|
static GtkStyleContext*
|
|
CreateChildCSSNode(const char* aName, WidgetNodeType aParentNodeType)
|
|
{
|
|
return CreateCSSNode(aName, GetCssNodeStyleInternal(aParentNodeType));
|
|
}
|
|
|
|
static GtkStyleContext*
|
|
GetWidgetStyleWithClass(WidgetNodeType aWidgetType, const gchar* aStyleClass)
|
|
{
|
|
GtkStyleContext* style = GetWidgetRootStyle(aWidgetType);
|
|
gtk_style_context_save(style);
|
|
MOZ_ASSERT(!sStyleContextNeedsRestore);
|
|
sStyleContextNeedsRestore = true;
|
|
gtk_style_context_add_class(style, aStyleClass);
|
|
return style;
|
|
}
|
|
|
|
/* GetCssNodeStyleInternal is used by Gtk >= 3.20 */
|
|
static GtkStyleContext*
|
|
GetCssNodeStyleInternal(WidgetNodeType aNodeType)
|
|
{
|
|
GtkStyleContext* style = sStyleStorage[aNodeType];
|
|
if (style)
|
|
return style;
|
|
|
|
switch (aNodeType) {
|
|
case MOZ_GTK_SCROLLBAR_CONTENTS_HORIZONTAL:
|
|
style = CreateChildCSSNode("contents",
|
|
MOZ_GTK_SCROLLBAR_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_TROUGH,
|
|
MOZ_GTK_SCROLLBAR_CONTENTS_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_SLIDER,
|
|
MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SCROLLBAR_CONTENTS_VERTICAL:
|
|
style = CreateChildCSSNode("contents",
|
|
MOZ_GTK_SCROLLBAR_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_TROUGH,
|
|
MOZ_GTK_SCROLLBAR_CONTENTS_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_SLIDER,
|
|
MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_SCROLLBAR_BUTTON:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_BUTTON,
|
|
MOZ_GTK_SCROLLBAR_CONTENTS_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_RADIOBUTTON:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_RADIO,
|
|
MOZ_GTK_RADIOBUTTON_CONTAINER);
|
|
break;
|
|
case MOZ_GTK_CHECKBUTTON:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_CHECK,
|
|
MOZ_GTK_CHECKBUTTON_CONTAINER);
|
|
break;
|
|
case MOZ_GTK_RADIOMENUITEM_INDICATOR:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_RADIO,
|
|
MOZ_GTK_RADIOMENUITEM);
|
|
break;
|
|
case MOZ_GTK_CHECKMENUITEM_INDICATOR:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_CHECK,
|
|
MOZ_GTK_CHECKMENUITEM);
|
|
break;
|
|
case MOZ_GTK_PROGRESS_TROUGH:
|
|
/* Progress bar background (trough) */
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_TROUGH,
|
|
MOZ_GTK_PROGRESSBAR);
|
|
break;
|
|
case MOZ_GTK_PROGRESS_CHUNK:
|
|
style = CreateChildCSSNode("progress",
|
|
MOZ_GTK_PROGRESS_TROUGH);
|
|
break;
|
|
case MOZ_GTK_GRIPPER:
|
|
// TODO - create from CSS node
|
|
return GetWidgetStyleWithClass(MOZ_GTK_GRIPPER,
|
|
GTK_STYLE_CLASS_GRIP);
|
|
case MOZ_GTK_INFO_BAR:
|
|
// TODO - create from CSS node
|
|
return GetWidgetStyleWithClass(MOZ_GTK_INFO_BAR,
|
|
GTK_STYLE_CLASS_INFO);
|
|
case MOZ_GTK_SPINBUTTON_ENTRY:
|
|
// TODO - create from CSS node
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SPINBUTTON,
|
|
GTK_STYLE_CLASS_ENTRY);
|
|
case MOZ_GTK_SCROLLED_WINDOW:
|
|
// TODO - create from CSS node
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCROLLED_WINDOW,
|
|
GTK_STYLE_CLASS_FRAME);
|
|
case MOZ_GTK_TEXT_VIEW_TEXT:
|
|
case MOZ_GTK_RESIZER:
|
|
style = CreateChildCSSNode("text", MOZ_GTK_TEXT_VIEW);
|
|
if (aNodeType == MOZ_GTK_RESIZER) {
|
|
// The "grip" class provides the correct builtin icon from
|
|
// gtk_render_handle(). The icon is drawn with shaded variants of
|
|
// the background color, and so a transparent background would lead to
|
|
// a transparent resizer. gtk_render_handle() also uses the
|
|
// background color to draw a background, and so this style otherwise
|
|
// matches what is used in GtkTextView to match the background with
|
|
// textarea elements.
|
|
GdkRGBA color;
|
|
gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL,
|
|
&color);
|
|
if (color.alpha == 0.0) {
|
|
g_object_unref(style);
|
|
style = CreateStyleForWidget(gtk_text_view_new(),
|
|
MOZ_GTK_SCROLLED_WINDOW);
|
|
}
|
|
gtk_style_context_add_class(style, GTK_STYLE_CLASS_GRIP);
|
|
}
|
|
break;
|
|
case MOZ_GTK_FRAME_BORDER:
|
|
style = CreateChildCSSNode("border", MOZ_GTK_FRAME);
|
|
break;
|
|
case MOZ_GTK_TREEVIEW_VIEW:
|
|
// TODO - create from CSS node
|
|
return GetWidgetStyleWithClass(MOZ_GTK_TREEVIEW,
|
|
GTK_STYLE_CLASS_VIEW);
|
|
case MOZ_GTK_TREEVIEW_EXPANDER:
|
|
// TODO - create from CSS node
|
|
return GetWidgetStyleWithClass(MOZ_GTK_TREEVIEW,
|
|
GTK_STYLE_CLASS_EXPANDER);
|
|
case MOZ_GTK_SPLITTER_SEPARATOR_HORIZONTAL:
|
|
style = CreateChildCSSNode("separator",
|
|
MOZ_GTK_SPLITTER_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SPLITTER_SEPARATOR_VERTICAL:
|
|
style = CreateChildCSSNode("separator",
|
|
MOZ_GTK_SPLITTER_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_SCALE_CONTENTS_HORIZONTAL:
|
|
style = CreateChildCSSNode("contents",
|
|
MOZ_GTK_SCALE_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SCALE_CONTENTS_VERTICAL:
|
|
style = CreateChildCSSNode("contents",
|
|
MOZ_GTK_SCALE_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_SCALE_TROUGH_HORIZONTAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_TROUGH,
|
|
MOZ_GTK_SCALE_CONTENTS_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SCALE_TROUGH_VERTICAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_TROUGH,
|
|
MOZ_GTK_SCALE_CONTENTS_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_SLIDER,
|
|
MOZ_GTK_SCALE_TROUGH_HORIZONTAL);
|
|
break;
|
|
case MOZ_GTK_SCALE_THUMB_VERTICAL:
|
|
style = CreateChildCSSNode(GTK_STYLE_CLASS_SLIDER,
|
|
MOZ_GTK_SCALE_TROUGH_VERTICAL);
|
|
break;
|
|
case MOZ_GTK_TAB_TOP:
|
|
{
|
|
// TODO - create from CSS node
|
|
style = GetWidgetStyleWithClass(MOZ_GTK_NOTEBOOK,
|
|
GTK_STYLE_CLASS_TOP);
|
|
gtk_style_context_add_region(style, GTK_STYLE_REGION_TAB,
|
|
static_cast<GtkRegionFlags>(0));
|
|
return style;
|
|
}
|
|
case MOZ_GTK_TAB_BOTTOM:
|
|
{
|
|
// TODO - create from CSS node
|
|
style = GetWidgetStyleWithClass(MOZ_GTK_NOTEBOOK,
|
|
GTK_STYLE_CLASS_BOTTOM);
|
|
gtk_style_context_add_region(style, GTK_STYLE_REGION_TAB,
|
|
static_cast<GtkRegionFlags>(0));
|
|
return style;
|
|
}
|
|
case MOZ_GTK_NOTEBOOK:
|
|
case MOZ_GTK_NOTEBOOK_HEADER:
|
|
case MOZ_GTK_TABPANELS:
|
|
case MOZ_GTK_TAB_SCROLLARROW:
|
|
{
|
|
// TODO - create from CSS node
|
|
GtkWidget* widget = GetWidget(MOZ_GTK_NOTEBOOK);
|
|
return gtk_widget_get_style_context(widget);
|
|
}
|
|
default:
|
|
return GetWidgetRootStyle(aNodeType);
|
|
}
|
|
|
|
MOZ_ASSERT(style, "missing style context for node type");
|
|
sStyleStorage[aNodeType] = style;
|
|
return style;
|
|
}
|
|
|
|
/* GetWidgetStyleInternal is used by Gtk < 3.20 */
|
|
static GtkStyleContext*
|
|
GetWidgetStyleInternal(WidgetNodeType aNodeType)
|
|
{
|
|
switch (aNodeType) {
|
|
case MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCROLLBAR_HORIZONTAL,
|
|
GTK_STYLE_CLASS_TROUGH);
|
|
case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCROLLBAR_HORIZONTAL,
|
|
GTK_STYLE_CLASS_SLIDER);
|
|
case MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCROLLBAR_VERTICAL,
|
|
GTK_STYLE_CLASS_TROUGH);
|
|
case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCROLLBAR_VERTICAL,
|
|
GTK_STYLE_CLASS_SLIDER);
|
|
case MOZ_GTK_RADIOBUTTON:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_RADIOBUTTON_CONTAINER,
|
|
GTK_STYLE_CLASS_RADIO);
|
|
case MOZ_GTK_CHECKBUTTON:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_CHECKBUTTON_CONTAINER,
|
|
GTK_STYLE_CLASS_CHECK);
|
|
case MOZ_GTK_RADIOMENUITEM_INDICATOR:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_RADIOMENUITEM,
|
|
GTK_STYLE_CLASS_RADIO);
|
|
case MOZ_GTK_CHECKMENUITEM_INDICATOR:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_CHECKMENUITEM,
|
|
GTK_STYLE_CLASS_CHECK);
|
|
case MOZ_GTK_PROGRESS_TROUGH:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_PROGRESSBAR,
|
|
GTK_STYLE_CLASS_TROUGH);
|
|
case MOZ_GTK_PROGRESS_CHUNK: {
|
|
GtkStyleContext* style =
|
|
GetWidgetStyleWithClass(MOZ_GTK_PROGRESSBAR,
|
|
GTK_STYLE_CLASS_PROGRESSBAR);
|
|
gtk_style_context_remove_class(style, GTK_STYLE_CLASS_TROUGH);
|
|
return style;
|
|
}
|
|
case MOZ_GTK_GRIPPER:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_GRIPPER,
|
|
GTK_STYLE_CLASS_GRIP);
|
|
case MOZ_GTK_INFO_BAR:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_INFO_BAR,
|
|
GTK_STYLE_CLASS_INFO);
|
|
case MOZ_GTK_SPINBUTTON_ENTRY:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SPINBUTTON,
|
|
GTK_STYLE_CLASS_ENTRY);
|
|
case MOZ_GTK_SCROLLED_WINDOW:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCROLLED_WINDOW,
|
|
GTK_STYLE_CLASS_FRAME);
|
|
case MOZ_GTK_TEXT_VIEW_TEXT:
|
|
case MOZ_GTK_RESIZER: {
|
|
// GTK versions prior to 3.20 do not have the view class on the root
|
|
// node, but add this to determine the background for the text window.
|
|
GtkStyleContext* style =
|
|
GetWidgetStyleWithClass(MOZ_GTK_TEXT_VIEW, GTK_STYLE_CLASS_VIEW);
|
|
if (aNodeType == MOZ_GTK_RESIZER) {
|
|
// The "grip" class provides the correct builtin icon from
|
|
// gtk_render_handle(). The icon is drawn with shaded variants of
|
|
// the background color, and so a transparent background would lead to
|
|
// a transparent resizer. gtk_render_handle() also uses the
|
|
// background color to draw a background, and so this style otherwise
|
|
// matches MOZ_GTK_TEXT_VIEW_TEXT to match the background with
|
|
// textarea elements. GtkTextView creates a separate text window and
|
|
// so the background should not be transparent.
|
|
gtk_style_context_add_class(style, GTK_STYLE_CLASS_GRIP);
|
|
}
|
|
return style;
|
|
}
|
|
case MOZ_GTK_FRAME_BORDER:
|
|
return GetWidgetRootStyle(MOZ_GTK_FRAME);
|
|
case MOZ_GTK_TREEVIEW_VIEW:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_TREEVIEW,
|
|
GTK_STYLE_CLASS_VIEW);
|
|
case MOZ_GTK_TREEVIEW_EXPANDER:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_TREEVIEW,
|
|
GTK_STYLE_CLASS_EXPANDER);
|
|
case MOZ_GTK_SPLITTER_SEPARATOR_HORIZONTAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SPLITTER_HORIZONTAL,
|
|
GTK_STYLE_CLASS_PANE_SEPARATOR);
|
|
case MOZ_GTK_SPLITTER_SEPARATOR_VERTICAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SPLITTER_VERTICAL,
|
|
GTK_STYLE_CLASS_PANE_SEPARATOR);
|
|
case MOZ_GTK_SCALE_TROUGH_HORIZONTAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCALE_HORIZONTAL,
|
|
GTK_STYLE_CLASS_TROUGH);
|
|
case MOZ_GTK_SCALE_TROUGH_VERTICAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCALE_VERTICAL,
|
|
GTK_STYLE_CLASS_TROUGH);
|
|
case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCALE_HORIZONTAL,
|
|
GTK_STYLE_CLASS_SLIDER);
|
|
case MOZ_GTK_SCALE_THUMB_VERTICAL:
|
|
return GetWidgetStyleWithClass(MOZ_GTK_SCALE_VERTICAL,
|
|
GTK_STYLE_CLASS_SLIDER);
|
|
case MOZ_GTK_TAB_TOP:
|
|
{
|
|
GtkStyleContext* style = GetWidgetStyleWithClass(MOZ_GTK_NOTEBOOK,
|
|
GTK_STYLE_CLASS_TOP);
|
|
gtk_style_context_add_region(style, GTK_STYLE_REGION_TAB,
|
|
static_cast<GtkRegionFlags>(0));
|
|
return style;
|
|
}
|
|
case MOZ_GTK_TAB_BOTTOM:
|
|
{
|
|
GtkStyleContext* style = GetWidgetStyleWithClass(MOZ_GTK_NOTEBOOK,
|
|
GTK_STYLE_CLASS_BOTTOM);
|
|
gtk_style_context_add_region(style, GTK_STYLE_REGION_TAB,
|
|
static_cast<GtkRegionFlags>(0));
|
|
return style;
|
|
}
|
|
case MOZ_GTK_NOTEBOOK:
|
|
case MOZ_GTK_NOTEBOOK_HEADER:
|
|
case MOZ_GTK_TABPANELS:
|
|
case MOZ_GTK_TAB_SCROLLARROW:
|
|
{
|
|
GtkWidget* widget = GetWidget(MOZ_GTK_NOTEBOOK);
|
|
return gtk_widget_get_style_context(widget);
|
|
}
|
|
default:
|
|
return GetWidgetRootStyle(aNodeType);
|
|
}
|
|
}
|
|
|
|
void
|
|
ResetWidgetCache(void)
|
|
{
|
|
MOZ_ASSERT(!sStyleContextNeedsRestore);
|
|
#ifdef DEBUG
|
|
MOZ_ASSERT(!sCurrentStyleContext);
|
|
#endif
|
|
|
|
for (int i = 0; i < MOZ_GTK_WIDGET_NODE_COUNT; i++) {
|
|
if (sStyleStorage[i])
|
|
g_object_unref(sStyleStorage[i]);
|
|
}
|
|
mozilla::PodArrayZero(sStyleStorage);
|
|
|
|
/* This will destroy all of our widgets */
|
|
if (sWidgetStorage[MOZ_GTK_WINDOW])
|
|
gtk_widget_destroy(sWidgetStorage[MOZ_GTK_WINDOW]);
|
|
|
|
/* Clear already freed arrays */
|
|
mozilla::PodArrayZero(sWidgetStorage);
|
|
}
|
|
|
|
GtkStyleContext*
|
|
ClaimStyleContext(WidgetNodeType aNodeType, GtkTextDirection aDirection,
|
|
GtkStateFlags aStateFlags, StyleFlags aFlags)
|
|
{
|
|
MOZ_ASSERT(!sStyleContextNeedsRestore);
|
|
GtkStyleContext* style;
|
|
if (gtk_check_version(3, 20, 0) != nullptr) {
|
|
style = GetWidgetStyleInternal(aNodeType);
|
|
} else {
|
|
style = GetCssNodeStyleInternal(aNodeType);
|
|
}
|
|
#ifdef DEBUG
|
|
MOZ_ASSERT(!sCurrentStyleContext);
|
|
sCurrentStyleContext = style;
|
|
#endif
|
|
bool stateChanged = false;
|
|
bool stateHasDirection = gtk_get_minor_version() >= 8;
|
|
GtkStateFlags oldState = gtk_style_context_get_state(style);
|
|
MOZ_ASSERT(!(aStateFlags & (STATE_FLAG_DIR_LTR|STATE_FLAG_DIR_RTL)));
|
|
unsigned newState = aStateFlags;
|
|
if (stateHasDirection) {
|
|
switch (aDirection) {
|
|
case GTK_TEXT_DIR_LTR:
|
|
newState |= STATE_FLAG_DIR_LTR;
|
|
break;
|
|
case GTK_TEXT_DIR_RTL:
|
|
newState |= STATE_FLAG_DIR_RTL;
|
|
break;
|
|
default:
|
|
MOZ_FALLTHROUGH_ASSERT("Bad GtkTextDirection");
|
|
case GTK_TEXT_DIR_NONE:
|
|
// GtkWidget uses a default direction if neither is explicitly
|
|
// specified, but here DIR_NONE is interpreted as meaning the
|
|
// direction is not important, so don't change the direction
|
|
// unnecessarily.
|
|
newState |= oldState & (STATE_FLAG_DIR_LTR|STATE_FLAG_DIR_RTL);
|
|
}
|
|
} else if (aDirection != GTK_TEXT_DIR_NONE) {
|
|
GtkTextDirection oldDirection = gtk_style_context_get_direction(style);
|
|
if (aDirection != oldDirection) {
|
|
gtk_style_context_set_direction(style, aDirection);
|
|
stateChanged = true;
|
|
}
|
|
}
|
|
if (oldState != newState) {
|
|
gtk_style_context_set_state(style, static_cast<GtkStateFlags>(newState));
|
|
stateChanged = true;
|
|
}
|
|
// This invalidate is necessary for unsaved style contexts from GtkWidgets
|
|
// in pre-3.18 GTK, because automatic invalidation of such contexts
|
|
// was delayed until a resize event runs.
|
|
//
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1272194#c7
|
|
//
|
|
// Avoid calling invalidate on saved contexts to avoid performing
|
|
// build_properties() (in 3.16 stylecontext.c) unnecessarily early.
|
|
if (stateChanged && !sStyleContextNeedsRestore) {
|
|
gtk_style_context_invalidate(style);
|
|
}
|
|
return style;
|
|
}
|
|
|
|
void
|
|
ReleaseStyleContext(GtkStyleContext* aStyleContext)
|
|
{
|
|
if (sStyleContextNeedsRestore) {
|
|
gtk_style_context_restore(aStyleContext);
|
|
}
|
|
sStyleContextNeedsRestore = false;
|
|
#ifdef DEBUG
|
|
MOZ_ASSERT(sCurrentStyleContext == aStyleContext);
|
|
sCurrentStyleContext = nullptr;
|
|
#endif
|
|
}
|