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Unified Diff: ui/views/widget/native_widget_gtk.cc

Issue 9728002: Removing deprecated GTK-Views code. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 9 months ago
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Index: ui/views/widget/native_widget_gtk.cc
diff --git a/ui/views/widget/native_widget_gtk.cc b/ui/views/widget/native_widget_gtk.cc
deleted file mode 100644
index 140f4e2467c789ca1c14c0a8b0ea7fc6aef66407..0000000000000000000000000000000000000000
--- a/ui/views/widget/native_widget_gtk.cc
+++ /dev/null
@@ -1,2202 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/views/widget/native_widget_gtk.h"
-
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/extensions/shape.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-
-#include <set>
-#include <vector>
-
-#include "base/auto_reset.h"
-#include "base/bind.h"
-#include "base/compiler_specific.h"
-#include "base/message_loop.h"
-#include "base/utf_string_conversions.h"
-#include "ui/base/dragdrop/drag_drop_types.h"
-#include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/base/dragdrop/os_exchange_data_provider_gtk.h"
-#include "ui/base/gtk/g_object_destructor_filo.h"
-#include "ui/base/gtk/gtk_signal_registrar.h"
-#include "ui/base/gtk/gtk_windowing.h"
-#include "ui/base/gtk/scoped_region.h"
-#include "ui/base/hit_test.h"
-#include "ui/base/x/active_window_watcher_x.h"
-#include "ui/base/x/x11_util.h"
-#include "ui/gfx/canvas_skia_paint.h"
-#include "ui/gfx/gtk_util.h"
-#include "ui/gfx/path.h"
-#include "ui/gfx/screen.h"
-#include "ui/views/bubble/bubble_delegate.h"
-#include "ui/views/controls/textfield/native_textfield_views.h"
-#include "ui/views/focus/view_storage.h"
-#include "ui/views/ime/input_method_gtk.h"
-#include "ui/views/views_delegate.h"
-#include "ui/views/widget/drop_target_gtk.h"
-#include "ui/views/widget/gtk_views_fixed.h"
-#include "ui/views/widget/gtk_views_window.h"
-#include "ui/views/widget/root_view.h"
-#include "ui/views/widget/tooltip_manager_gtk.h"
-#include "ui/views/widget/widget_delegate.h"
-
-using ui::OSExchangeData;
-using ui::OSExchangeDataProviderGtk;
-using ui::ActiveWindowWatcherX;
-
-namespace views {
-
-namespace {
-
-// Links the GtkWidget to its NativeWidget.
-const char* const kNativeWidgetKey = "__VIEWS_NATIVE_WIDGET__";
-
-// A g_object data key to associate a CompositePainter object to a GtkWidget.
-const char* kCompositePainterKey = "__VIEWS_COMPOSITE_PAINTER__";
-
-// A g_object data key to associate the flag whether or not the widget
-// is composited to a GtkWidget. gtk_widget_is_composited simply tells
-// if x11 supports composition and cannot be used to tell if given widget
-// is composited.
-const char* kCompositeEnabledKey = "__VIEWS_COMPOSITE_ENABLED__";
-
-// A g_object data key to associate the expose handler id that is
-// used to remove FREEZE_UPDATE property on the window.
-const char* kExposeHandlerIdKey = "__VIEWS_EXPOSE_HANDLER_ID__";
-
-// CompositePainter draws a composited child widgets image into its
-// drawing area. This object is created at most once for a widget and kept
-// until the widget is destroyed.
-class CompositePainter {
- public:
- explicit CompositePainter(GtkWidget* parent)
- : parent_object_(G_OBJECT(parent)) {
- handler_id_ = g_signal_connect_after(
- parent_object_, "expose_event", G_CALLBACK(OnCompositePaint), NULL);
- }
-
- static void AddCompositePainter(GtkWidget* widget) {
- CompositePainter* painter = static_cast<CompositePainter*>(
- g_object_get_data(G_OBJECT(widget), kCompositePainterKey));
- if (!painter) {
- g_object_set_data(G_OBJECT(widget), kCompositePainterKey,
- new CompositePainter(widget));
- g_signal_connect(widget, "destroy",
- G_CALLBACK(&DestroyPainter), NULL);
- }
- }
-
- // Set the composition flag.
- static void SetComposited(GtkWidget* widget) {
- g_object_set_data(G_OBJECT(widget), kCompositeEnabledKey,
- const_cast<char*>(""));
- }
-
- // Returns true if the |widget| is composited and ready to be drawn.
- static bool IsComposited(GtkWidget* widget) {
- return g_object_get_data(G_OBJECT(widget), kCompositeEnabledKey) != NULL;
- }
-
- private:
- virtual ~CompositePainter() {}
-
- // Composes a image from one child.
- static void CompositeChildWidget(GtkWidget* child, gpointer data) {
- GdkEventExpose* event = static_cast<GdkEventExpose*>(data);
- GtkWidget* parent = gtk_widget_get_parent(child);
- DCHECK(parent);
- if (IsComposited(child)) {
- cairo_t* cr = gdk_cairo_create(parent->window);
- gdk_cairo_set_source_pixmap(cr, child->window,
- child->allocation.x,
- child->allocation.y);
- GdkRegion* region = gdk_region_rectangle(&child->allocation);
- gdk_region_intersect(region, event->region);
- gdk_cairo_region(cr, region);
- cairo_clip(cr);
- cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
- cairo_paint(cr);
- cairo_destroy(cr);
- }
- }
-
- // Expose-event handler that compose & draws children's image into
- // the |parent|'s drawing area.
- static gboolean OnCompositePaint(GtkWidget* parent, GdkEventExpose* event) {
- gtk_container_foreach(GTK_CONTAINER(parent),
- CompositeChildWidget,
- event);
- return false;
- }
-
- static void DestroyPainter(GtkWidget* object) {
- CompositePainter* painter = reinterpret_cast<CompositePainter*>(
- g_object_get_data(G_OBJECT(object), kCompositePainterKey));
- DCHECK(painter);
- delete painter;
- }
-
- GObject* parent_object_;
- gulong handler_id_;
-
- DISALLOW_COPY_AND_ASSIGN(CompositePainter);
-};
-
-void EnumerateChildWidgetsForNativeWidgets(GtkWidget* child_widget,
- gpointer param) {
- // Walk child widgets, if necessary.
- if (GTK_IS_CONTAINER(child_widget)) {
- gtk_container_foreach(GTK_CONTAINER(child_widget),
- EnumerateChildWidgetsForNativeWidgets,
- param);
- }
-
- Widget* widget = Widget::GetWidgetForNativeView(child_widget);
- if (widget) {
- Widget::Widgets* widgets = reinterpret_cast<Widget::Widgets*>(param);
- widgets->insert(widget);
- }
-}
-
-GtkWindowType WindowTypeToGtkWindowType(Widget::InitParams::Type type) {
- switch (type) {
- case Widget::InitParams::TYPE_BUBBLE:
- case Widget::InitParams::TYPE_WINDOW:
- case Widget::InitParams::TYPE_PANEL:
- case Widget::InitParams::TYPE_WINDOW_FRAMELESS:
- return GTK_WINDOW_TOPLEVEL;
- default:
- return GTK_WINDOW_POPUP;
- }
- NOTREACHED();
- return GTK_WINDOW_TOPLEVEL;
-}
-
-// Converts a Windows-style hit test result code into a GDK window edge.
-GdkWindowEdge HitTestCodeToGDKWindowEdge(int hittest_code) {
- switch (hittest_code) {
- case HTBOTTOM:
- return GDK_WINDOW_EDGE_SOUTH;
- case HTBOTTOMLEFT:
- return GDK_WINDOW_EDGE_SOUTH_WEST;
- case HTBOTTOMRIGHT:
- case HTGROWBOX:
- return GDK_WINDOW_EDGE_SOUTH_EAST;
- case HTLEFT:
- return GDK_WINDOW_EDGE_WEST;
- case HTRIGHT:
- return GDK_WINDOW_EDGE_EAST;
- case HTTOP:
- return GDK_WINDOW_EDGE_NORTH;
- case HTTOPLEFT:
- return GDK_WINDOW_EDGE_NORTH_WEST;
- case HTTOPRIGHT:
- return GDK_WINDOW_EDGE_NORTH_EAST;
- default:
- NOTREACHED();
- break;
- }
- // Default to something defaultish.
- return HitTestCodeToGDKWindowEdge(HTGROWBOX);
-}
-
-// Converts a Windows-style hit test result code into a GDK cursor type.
-GdkCursorType HitTestCodeToGdkCursorType(int hittest_code) {
- switch (hittest_code) {
- case HTBOTTOM:
- return GDK_BOTTOM_SIDE;
- case HTBOTTOMLEFT:
- return GDK_BOTTOM_LEFT_CORNER;
- case HTBOTTOMRIGHT:
- case HTGROWBOX:
- return GDK_BOTTOM_RIGHT_CORNER;
- case HTLEFT:
- return GDK_LEFT_SIDE;
- case HTRIGHT:
- return GDK_RIGHT_SIDE;
- case HTTOP:
- return GDK_TOP_SIDE;
- case HTTOPLEFT:
- return GDK_TOP_LEFT_CORNER;
- case HTTOPRIGHT:
- return GDK_TOP_RIGHT_CORNER;
- default:
- break;
- }
- // Default to something defaultish.
- return GDK_LEFT_PTR;
-}
-
-} // namespace
-
-// During drag and drop GTK sends a drag-leave during a drop. This means we
-// have no way to tell the difference between a normal drag leave and a drop.
-// To work around that we listen for DROP_START, then ignore the subsequent
-// drag-leave that GTK generates.
-class NativeWidgetGtk::DropObserver : public MessageLoopForUI::Observer {
- public:
- DropObserver() {}
-
- static DropObserver* GetInstance() {
- return Singleton<DropObserver>::get();
- }
-
- virtual void WillProcessEvent(GdkEvent* event) {
- if (event->type == GDK_DROP_START) {
- NativeWidgetGtk* widget = GetNativeWidgetGtkForEvent(event);
- if (widget)
- widget->ignore_drag_leave_ = true;
- }
- }
-
- virtual void DidProcessEvent(GdkEvent* event) {
- }
-
- private:
- NativeWidgetGtk* GetNativeWidgetGtkForEvent(GdkEvent* event) {
- GtkWidget* gtk_widget = gtk_get_event_widget(event);
- if (!gtk_widget)
- return NULL;
-
- return static_cast<NativeWidgetGtk*>(
- internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(
- gtk_widget));
- }
-
- DISALLOW_COPY_AND_ASSIGN(DropObserver);
-};
-
-// Returns the position of a widget on screen.
-static void GetWidgetPositionOnScreen(GtkWidget* widget, int* x, int *y) {
- // First get the root window.
- GtkWidget* root = widget;
- while (root && !GTK_IS_WINDOW(root)) {
- root = gtk_widget_get_parent(root);
- }
- if (!root) {
- // If root is null we're not parented. Return 0x0 and assume the caller will
- // query again when we're parented.
- *x = *y = 0;
- return;
- }
- // Translate the coordinate from widget to root window.
- gtk_widget_translate_coordinates(widget, root, 0, 0, x, y);
- // Then adjust the position with the position of the root window.
- int window_x, window_y;
- gtk_window_get_position(GTK_WINDOW(root), &window_x, &window_y);
- *x += window_x;
- *y += window_y;
-}
-
-// "expose-event" handler of drag icon widget that renders drag image pixbuf.
-static gboolean DragIconWidgetPaint(GtkWidget* widget,
- GdkEventExpose* event,
- gpointer data) {
- GdkPixbuf* pixbuf = reinterpret_cast<GdkPixbuf*>(data);
-
- cairo_t* cr = gdk_cairo_create(widget->window);
-
- gdk_cairo_region(cr, event->region);
- cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
- gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
- cairo_paint(cr);
-
- cairo_destroy(cr);
- return true;
-}
-
-// Creates a drag icon widget that draws drag_image.
-static GtkWidget* CreateDragIconWidget(GdkPixbuf* drag_image) {
- GdkColormap* rgba_colormap =
- gdk_screen_get_rgba_colormap(gdk_screen_get_default());
- if (!rgba_colormap)
- return NULL;
-
- GtkWidget* drag_widget = gtk_window_new(GTK_WINDOW_POPUP);
-
- gtk_widget_set_colormap(drag_widget, rgba_colormap);
- gtk_widget_set_app_paintable(drag_widget, true);
- gtk_widget_set_size_request(drag_widget,
- gdk_pixbuf_get_width(drag_image),
- gdk_pixbuf_get_height(drag_image));
-
- g_signal_connect(G_OBJECT(drag_widget), "expose-event",
- G_CALLBACK(&DragIconWidgetPaint), drag_image);
- return drag_widget;
-}
-
-// static
-GtkWidget* NativeWidgetGtk::null_parent_ = NULL;
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetGtk, public:
-
-NativeWidgetGtk::NativeWidgetGtk(internal::NativeWidgetDelegate* delegate)
- : delegate_(delegate),
- widget_(NULL),
- window_contents_(NULL),
- child_(false),
- ALLOW_THIS_IN_INITIALIZER_LIST(close_widget_factory_(this)),
- ownership_(Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET),
- transparent_(false),
- ignore_events_(false),
- ignore_drag_leave_(false),
- opacity_(255),
- drag_data_(NULL),
- window_state_(GDK_WINDOW_STATE_WITHDRAWN),
- is_active_(false),
- transient_to_parent_(false),
- got_initial_focus_in_(false),
- has_focus_(false),
- always_on_top_(false),
- is_double_buffered_(false),
- dragged_view_(NULL),
- painted_(false),
- has_pointer_grab_(false),
- has_keyboard_grab_(false),
- grab_notify_signal_id_(0),
- is_menu_(false),
- signal_registrar_(new ui::GtkSignalRegistrar),
- destroy_signal_registrar_(new ui::GtkSignalRegistrar) {
- static bool installed_message_loop_observer = false;
- if (!installed_message_loop_observer) {
- installed_message_loop_observer = true;
- MessageLoopForUI* loop = MessageLoopForUI::current();
- if (loop)
- loop->AddObserver(DropObserver::GetInstance());
- }
-}
-
-NativeWidgetGtk::~NativeWidgetGtk() {
- if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET) {
- DCHECK(widget_ == NULL);
- delete delegate_;
- } else {
- bool has_widget = !!widget_;
- if (has_widget) {
- // Disconnect all signal handlers registered with this object,
- // except one for "destroy", before deleting the NativeWidgetGtk.
- ui::GObjectDestructorFILO::GetInstance()->Disconnect(
- G_OBJECT(widget_), &OnDestroyedThunk, this);
- signal_registrar_.reset();
- }
- CloseNow();
- // If gtk_widget_destroy didn't fire destroy signal for whatever reason,
- // fail in debug build and call OnDestroy() for release build.
- DCHECK(!widget_);
- if (widget_)
- OnDestroy(widget_);
- // Call OnNativeWidgetDestroyed because we're not calling
- // OnDestroyedThunk
- if (has_widget)
- delegate_->OnNativeWidgetDestroyed();
- }
-}
-
-GtkWindow* NativeWidgetGtk::GetTransientParent() const {
- return (!child_ && widget_) ?
- gtk_window_get_transient_for(GTK_WINDOW(widget_)) : NULL;
-}
-
-bool NativeWidgetGtk::MakeTransparent() {
- // Transparency can only be enabled only if we haven't realized the widget.
- DCHECK(!widget_);
-
- if (!gdk_screen_is_composited(gdk_screen_get_default())) {
- // Transparency is only supported for compositing window managers.
- // NOTE: there's a race during ChromeOS startup such that X might think
- // compositing isn't supported. We ignore it if the wm says compositing
- // isn't supported.
- DLOG(WARNING) << "compositing not supported; allowing anyway";
- }
-
- if (!gdk_screen_get_rgba_colormap(gdk_screen_get_default())) {
- // We need rgba to make the window transparent.
- return false;
- }
-
- transparent_ = true;
- return true;
-}
-
-void NativeWidgetGtk::EnableDoubleBuffer(bool enabled) {
- is_double_buffered_ = enabled;
- if (window_contents_) {
- if (is_double_buffered_)
- GTK_WIDGET_SET_FLAGS(window_contents_, GTK_DOUBLE_BUFFERED);
- else
- GTK_WIDGET_UNSET_FLAGS(window_contents_, GTK_DOUBLE_BUFFERED);
- }
-}
-
-void NativeWidgetGtk::AddChild(GtkWidget* child) {
- gtk_container_add(GTK_CONTAINER(window_contents_), child);
-}
-
-void NativeWidgetGtk::RemoveChild(GtkWidget* child) {
- // We can be called after the contents widget has been destroyed, e.g. any
- // NativeViewHost not removed from the view hierarchy before the window is
- // closed.
- if (GTK_IS_CONTAINER(window_contents_)) {
- gtk_container_remove(GTK_CONTAINER(window_contents_), child);
- gtk_views_fixed_set_widget_size(child, 0, 0);
- }
-}
-
-void NativeWidgetGtk::ReparentChild(GtkWidget* child) {
- gtk_widget_reparent(child, window_contents_);
-}
-
-void NativeWidgetGtk::PositionChild(GtkWidget* child, int x, int y, int w,
- int h) {
- gtk_views_fixed_set_widget_size(child, w, h);
- gtk_fixed_move(GTK_FIXED(window_contents_), child, x, y);
-}
-
-void NativeWidgetGtk::DoDrag(const OSExchangeData& data, int operation) {
- const OSExchangeDataProviderGtk& data_provider =
- static_cast<const OSExchangeDataProviderGtk&>(data.provider());
- GtkTargetList* targets = data_provider.GetTargetList();
- GdkEvent* current_event = gtk_get_current_event();
- const OSExchangeDataProviderGtk& provider(
- static_cast<const OSExchangeDataProviderGtk&>(data.provider()));
-
- GdkDragContext* context = gtk_drag_begin(
- window_contents_,
- targets,
- static_cast<GdkDragAction>(
- ui::DragDropTypes::DragOperationToGdkDragAction(operation)),
- 1,
- current_event);
-
- GtkWidget* drag_icon_widget = NULL;
-
- // Set the drag image if one was supplied.
- if (provider.drag_image()) {
- drag_icon_widget = CreateDragIconWidget(provider.drag_image());
- if (drag_icon_widget) {
- // Use a widget as the drag icon when compositing is enabled for proper
- // transparency handling.
- g_object_ref(provider.drag_image());
- gtk_drag_set_icon_widget(context,
- drag_icon_widget,
- provider.cursor_offset().x(),
- provider.cursor_offset().y());
- } else {
- gtk_drag_set_icon_pixbuf(context,
- provider.drag_image(),
- provider.cursor_offset().x(),
- provider.cursor_offset().y());
- }
- }
-
- if (current_event)
- gdk_event_free(current_event);
- gtk_target_list_unref(targets);
-
- drag_data_ = &data_provider;
-
- // Block the caller until drag is done by running a nested message loop.
- MessageLoopForUI::current()->RunWithDispatcher(NULL);
-
- drag_data_ = NULL;
-
- if (drag_icon_widget) {
- gtk_widget_destroy(drag_icon_widget);
- g_object_unref(provider.drag_image());
- }
-}
-
-void NativeWidgetGtk::OnActiveChanged() {
- delegate_->OnNativeWidgetActivationChanged(IsActive());
-}
-
-void NativeWidgetGtk::ResetDropTarget() {
- ignore_drag_leave_ = false;
- drop_target_.reset(NULL);
-}
-
-void NativeWidgetGtk::GetRequestedSize(gfx::Size* out) const {
- int width, height;
- if (GTK_IS_VIEWS_FIXED(widget_) &&
- gtk_views_fixed_get_widget_size(GetNativeView(), &width, &height)) {
- out->SetSize(width, height);
- } else {
- GtkRequisition requisition;
- gtk_widget_get_child_requisition(GetNativeView(), &requisition);
- out->SetSize(requisition.width, requisition.height);
- }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetGtk, ActiveWindowWatcherXObserver implementation:
-
-void NativeWidgetGtk::ActiveWindowChanged(GdkWindow* active_window) {
- if (!GetNativeView())
- return;
-
- bool was_active = IsActive();
- is_active_ = (active_window == GTK_WIDGET(GetNativeView())->window);
- if (!is_active_ && active_window && !child_) {
- // We're not active, but the force the window to be rendered as active if
- // a child window is transient to us.
- gpointer data = NULL;
- gdk_window_get_user_data(active_window, &data);
- GtkWidget* widget = reinterpret_cast<GtkWidget*>(data);
- is_active_ =
- (widget && GTK_IS_WINDOW(widget) &&
- gtk_window_get_transient_for(GTK_WINDOW(widget)) == GTK_WINDOW(
- widget_));
- }
- if (was_active != IsActive()) {
- OnActiveChanged();
- GetWidget()->GetRootView()->SchedulePaint();
- }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetGtk implementation:
-
-bool NativeWidgetGtk::HandleKeyboardEvent(const KeyEvent& key) {
- if (!GetWidget()->GetFocusManager())
- return false;
- // FocusManager::OnKeyEvent() returns false when the key has been consumed.
- return !GetWidget()->GetFocusManager()->OnKeyEvent(key);
-}
-
-bool NativeWidgetGtk::SuppressFreezeUpdates() {
- if (!painted_) {
- painted_ = true;
- return true;
- }
- return false;
-}
-
-// static
-void NativeWidgetGtk::UpdateFreezeUpdatesProperty(GtkWindow* window,
- bool enable) {
- if (!GTK_WIDGET_REALIZED(GTK_WIDGET(window)))
- gtk_widget_realize(GTK_WIDGET(window));
- GdkWindow* gdk_window = GTK_WIDGET(window)->window;
-
- static GdkAtom freeze_atom_ =
- gdk_atom_intern("_CHROME_FREEZE_UPDATES", FALSE);
- if (enable) {
- VLOG(1) << "setting FREEZE UPDATES property. xid=" <<
- GDK_WINDOW_XID(gdk_window);
- int32 val = 1;
- gdk_property_change(gdk_window,
- freeze_atom_,
- freeze_atom_,
- 32,
- GDK_PROP_MODE_REPLACE,
- reinterpret_cast<const guchar*>(&val),
- 1);
- } else {
- VLOG(1) << "deleting FREEZE UPDATES property. xid=" <<
- GDK_WINDOW_XID(gdk_window);
- gdk_property_delete(gdk_window, freeze_atom_);
- }
-}
-
-// static
-void NativeWidgetGtk::RegisterChildExposeHandler(GtkWidget* child) {
- UnregisterChildExposeHandler(child);
- gulong id = g_signal_connect_after(child, "expose-event",
- G_CALLBACK(&ChildExposeHandler), NULL);
- g_object_set_data(G_OBJECT(child), kExposeHandlerIdKey,
- reinterpret_cast<void*>(id));
-}
-
-// static
-void NativeWidgetGtk::UnregisterChildExposeHandler(GtkWidget* child) {
- gulong id = reinterpret_cast<gulong>(g_object_get_data(G_OBJECT(child),
- kExposeHandlerIdKey));
- if (id) {
- g_signal_handler_disconnect(G_OBJECT(child), id);
- g_object_set_data(G_OBJECT(child), kExposeHandlerIdKey, 0);
- }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetGtk, NativeWidget implementation:
-
-void NativeWidgetGtk::InitNativeWidget(const Widget::InitParams& params) {
- SetInitParams(params);
-
- Widget::InitParams modified_params = params;
- if (params.parent_widget) {
- NativeWidgetGtk* parent_gtk =
- static_cast<NativeWidgetGtk*>(params.parent_widget->native_widget());
- modified_params.parent = child_ ? parent_gtk->window_contents()
- : params.parent_widget->GetNativeView();
- }
-
- if (!child_)
- ActiveWindowWatcherX::AddObserver(this);
-
- // Make container here.
- CreateGtkWidget(modified_params);
-
- if (params.type == Widget::InitParams::TYPE_MENU) {
- gtk_window_set_destroy_with_parent(GTK_WINDOW(GetNativeView()), TRUE);
- gtk_window_set_type_hint(GTK_WINDOW(GetNativeView()),
- GDK_WINDOW_TYPE_HINT_MENU);
- }
-
- delegate_->OnNativeWidgetCreated();
-
- if (opacity_ != 255)
- SetOpacity(opacity_);
-
- // Make sure we receive our motion events.
-
- // In general we register most events on the parent of all widgets. At a
- // minimum we need painting to happen on the parent (otherwise painting
- // doesn't work at all), and similarly we need mouse release events on the
- // parent as windows don't get mouse releases.
- gtk_widget_add_events(window_contents_,
- GDK_ENTER_NOTIFY_MASK |
- GDK_LEAVE_NOTIFY_MASK |
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_POINTER_MOTION_MASK |
- GDK_KEY_PRESS_MASK |
- GDK_KEY_RELEASE_MASK);
-
- signal_registrar_->ConnectAfter(G_OBJECT(window_contents_), "size_request",
- G_CALLBACK(&OnSizeRequestThunk), this);
- signal_registrar_->ConnectAfter(G_OBJECT(window_contents_), "size_allocate",
- G_CALLBACK(&OnSizeAllocateThunk), this);
- gtk_widget_set_app_paintable(window_contents_, true);
- signal_registrar_->Connect(window_contents_, "expose_event",
- G_CALLBACK(&OnPaintThunk), this);
- signal_registrar_->Connect(window_contents_, "enter_notify_event",
- G_CALLBACK(&OnEnterNotifyThunk), this);
- signal_registrar_->Connect(window_contents_, "leave_notify_event",
- G_CALLBACK(&OnLeaveNotifyThunk), this);
- signal_registrar_->Connect(window_contents_, "motion_notify_event",
- G_CALLBACK(&OnMotionNotifyThunk), this);
- signal_registrar_->Connect(window_contents_, "button_press_event",
- G_CALLBACK(&OnButtonPressThunk), this);
- signal_registrar_->Connect(window_contents_, "button_release_event",
- G_CALLBACK(&OnButtonReleaseThunk), this);
- signal_registrar_->Connect(window_contents_, "grab_broken_event",
- G_CALLBACK(&OnGrabBrokeEventThunk), this);
- signal_registrar_->Connect(window_contents_, "scroll_event",
- G_CALLBACK(&OnScrollThunk), this);
- signal_registrar_->Connect(window_contents_, "visibility_notify_event",
- G_CALLBACK(&OnVisibilityNotifyThunk), this);
-
- // In order to receive notification when the window is no longer the front
- // window, we need to install these on the widget.
- // NOTE: this doesn't work with focus follows mouse.
- signal_registrar_->Connect(widget_, "focus_in_event",
- G_CALLBACK(&OnFocusInThunk), this);
- signal_registrar_->Connect(widget_, "focus_out_event",
- G_CALLBACK(&OnFocusOutThunk), this);
-
- // Use the dedicated registrar for destory so that other handlers
- // can be unregistered first.
- destroy_signal_registrar_->Connect(widget_, "destroy",
- G_CALLBACK(&OnDestroyThunk), this);
-
- signal_registrar_->Connect(widget_, "show",
- G_CALLBACK(&OnShowThunk), this);
- signal_registrar_->Connect(widget_, "map",
- G_CALLBACK(&OnMapThunk), this);
- signal_registrar_->Connect(widget_, "hide",
- G_CALLBACK(&OnHideThunk), this);
- signal_registrar_->Connect(widget_, "configure-event",
- G_CALLBACK(&OnConfigureEventThunk), this);
-
- // Views/FocusManager (re)sets the focus to the root window,
- // so we need to connect signal handlers to the gtk window.
- // See views::Views::Focus and views::FocusManager::ClearNativeFocus
- // for more details.
- signal_registrar_->Connect(widget_, "key_press_event",
- G_CALLBACK(&OnEventKeyThunk), this);
- signal_registrar_->Connect(widget_, "key_release_event",
- G_CALLBACK(&OnEventKeyThunk), this);
-
- // Drag and drop.
- gtk_drag_dest_set(window_contents_, static_cast<GtkDestDefaults>(0),
- NULL, 0, GDK_ACTION_COPY);
- signal_registrar_->Connect(window_contents_, "drag_motion",
- G_CALLBACK(&OnDragMotionThunk), this);
- signal_registrar_->Connect(window_contents_, "drag_data_received",
- G_CALLBACK(&OnDragDataReceivedThunk), this);
- signal_registrar_->Connect(window_contents_, "drag_drop",
- G_CALLBACK(&OnDragDropThunk), this);
- signal_registrar_->Connect(window_contents_, "drag_leave",
- G_CALLBACK(&OnDragLeaveThunk), this);
- signal_registrar_->Connect(window_contents_, "drag_data_get",
- G_CALLBACK(&OnDragDataGetThunk), this);
- signal_registrar_->Connect(window_contents_, "drag_end",
- G_CALLBACK(&OnDragEndThunk), this);
- signal_registrar_->Connect(window_contents_, "drag_failed",
- G_CALLBACK(&OnDragFailedThunk), this);
- signal_registrar_->Connect(G_OBJECT(widget_), "window-state-event",
- G_CALLBACK(&OnWindowStateEventThunk), this);
-
- ui::GObjectDestructorFILO::GetInstance()->Connect(
- G_OBJECT(widget_), &OnDestroyedThunk, this);
-
- tooltip_manager_.reset(new TooltipManagerGtk(this));
-
- // Register for tooltips.
- g_object_set(G_OBJECT(window_contents_), "has-tooltip", TRUE, NULL);
- signal_registrar_->Connect(window_contents_, "query_tooltip",
- G_CALLBACK(&OnQueryTooltipThunk), this);
-
- if (child_) {
- if (modified_params.parent)
- SetBounds(params.bounds);
- } else {
- gtk_widget_add_events(widget_,
- GDK_STRUCTURE_MASK);
- if (params.bounds.width() > 0 && params.bounds.height() > 0)
- gtk_window_resize(GTK_WINDOW(widget_), params.bounds.width(),
- params.bounds.height());
- gtk_window_move(GTK_WINDOW(widget_), params.bounds.x(), params.bounds.y());
- }
-}
-
-NonClientFrameView* NativeWidgetGtk::CreateNonClientFrameView() {
- return NULL;
-}
-
-void NativeWidgetGtk::UpdateFrameAfterFrameChange() {
- // We currently don't support different frame types on Gtk, so we don't
- // need to implement this.
- NOTIMPLEMENTED();
-}
-
-bool NativeWidgetGtk::ShouldUseNativeFrame() const {
- return false;
-}
-
-void NativeWidgetGtk::FrameTypeChanged() {
- // This is called when the Theme has changed, so forward the event to the root
- // widget.
- GetWidget()->ThemeChanged();
- GetWidget()->GetRootView()->SchedulePaint();
-}
-
-Widget* NativeWidgetGtk::GetWidget() {
- return delegate_->AsWidget();
-}
-
-const Widget* NativeWidgetGtk::GetWidget() const {
- return delegate_->AsWidget();
-}
-
-gfx::NativeView NativeWidgetGtk::GetNativeView() const {
- return widget_;
-}
-
-gfx::NativeWindow NativeWidgetGtk::GetNativeWindow() const {
- return child_ ? NULL : GTK_WINDOW(widget_);
-}
-
-Widget* NativeWidgetGtk::GetTopLevelWidget() {
- NativeWidgetPrivate* native_widget = GetTopLevelNativeWidget(GetNativeView());
- return native_widget ? native_widget->GetWidget() : NULL;
-}
-
-const ui::Compositor* NativeWidgetGtk::GetCompositor() const {
- return NULL;
-}
-
-ui::Compositor* NativeWidgetGtk::GetCompositor() {
- return NULL;
-}
-
-void NativeWidgetGtk::CalculateOffsetToAncestorWithLayer(
- gfx::Point* offset,
- ui::Layer** layer_parent) {
-}
-
-void NativeWidgetGtk::ViewRemoved(View* view) {
- if (drop_target_.get())
- drop_target_->ResetTargetViewIfEquals(view);
-}
-
-void NativeWidgetGtk::SetNativeWindowProperty(const char* name, void* value) {
- g_object_set_data(G_OBJECT(widget_), name, value);
-}
-
-void* NativeWidgetGtk::GetNativeWindowProperty(const char* name) const {
- return g_object_get_data(G_OBJECT(widget_), name);
-}
-
-TooltipManager* NativeWidgetGtk::GetTooltipManager() const {
- return tooltip_manager_.get();
-}
-
-bool NativeWidgetGtk::IsScreenReaderActive() const {
- return false;
-}
-
-void NativeWidgetGtk::SendNativeAccessibilityEvent(
- View* view,
- ui::AccessibilityTypes::Event event_type) {
- // In the future if we add native GTK accessibility support, the
- // notification should be sent here.
-}
-
-void NativeWidgetGtk::SetMouseCapture() {
- DCHECK(!HasMouseCapture());
-
- // Release the current grab.
- GtkWidget* current_grab_window = gtk_grab_get_current();
- if (current_grab_window)
- gtk_grab_remove(current_grab_window);
-
- if (is_menu_ && gdk_pointer_is_grabbed())
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
-
- // Make sure all app mouse/keyboard events are targeted at us only.
- gtk_grab_add(window_contents_);
- if (gtk_grab_get_current() == window_contents_ && !grab_notify_signal_id_) {
- // "grab_notify" is sent any time the grab changes. We only care about grab
- // changes when we have done a grab.
- grab_notify_signal_id_ = g_signal_connect(
- window_contents_, "grab_notify", G_CALLBACK(&OnGrabNotifyThunk), this);
- }
-
- if (is_menu_) {
- // For menus we do a pointer grab too. This ensures we get mouse events from
- // other apps. In theory we should do this for all widget types, but doing
- // so leads to gdk_pointer_grab randomly returning GDK_GRAB_ALREADY_GRABBED.
- GdkGrabStatus pointer_grab_status =
- gdk_pointer_grab(window_contents()->window, FALSE,
- static_cast<GdkEventMask>(
- GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
- GDK_POINTER_MOTION_MASK),
- NULL, NULL, GDK_CURRENT_TIME);
- // NOTE: technically grab may fail. We may want to try and continue on in
- // that case.
- DCHECK_EQ(GDK_GRAB_SUCCESS, pointer_grab_status);
- has_pointer_grab_ = pointer_grab_status == GDK_GRAB_SUCCESS;
- }
-}
-
-void NativeWidgetGtk::ReleaseMouseCapture() {
- bool delegate_lost_capture = HasMouseCapture();
- if (GTK_WIDGET_HAS_GRAB(window_contents_))
- gtk_grab_remove(window_contents_);
- if (grab_notify_signal_id_) {
- g_signal_handler_disconnect(window_contents_, grab_notify_signal_id_);
- grab_notify_signal_id_ = 0;
- }
- if (has_pointer_grab_) {
- has_pointer_grab_ = false;
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
- }
- if (delegate_lost_capture)
- delegate_->OnMouseCaptureLost();
-}
-
-bool NativeWidgetGtk::HasMouseCapture() const {
- return GTK_WIDGET_HAS_GRAB(window_contents_) || has_pointer_grab_;
-}
-
-InputMethod* NativeWidgetGtk::CreateInputMethod() {
- // Create input method when pure views is enabled but not on views desktop.
- if (views::Widget::IsPureViews()) {
- InputMethod* input_method = new InputMethodGtk(this);
- input_method->Init(GetWidget());
- return input_method;
- }
- // GTK's textfield will handle IME.
- return NULL;
-}
-
-void NativeWidgetGtk::CenterWindow(const gfx::Size& size) {
- gfx::Rect center_rect;
-
- GtkWindow* parent = gtk_window_get_transient_for(GetNativeWindow());
- if (parent) {
- // We have a parent window, center over it.
- gint parent_x = 0;
- gint parent_y = 0;
- gtk_window_get_position(parent, &parent_x, &parent_y);
- gint parent_w = 0;
- gint parent_h = 0;
- gtk_window_get_size(parent, &parent_w, &parent_h);
- center_rect = gfx::Rect(parent_x, parent_y, parent_w, parent_h);
- } else {
- // We have no parent window, center over the screen.
- center_rect = gfx::Screen::GetMonitorWorkAreaNearestWindow(GetNativeView());
- }
- gfx::Rect bounds(center_rect.x() + (center_rect.width() - size.width()) / 2,
- center_rect.y() + (center_rect.height() - size.height()) / 2,
- size.width(), size.height());
- GetWidget()->SetBoundsConstrained(bounds);
-}
-
-void NativeWidgetGtk::GetWindowPlacement(
- gfx::Rect* bounds,
- ui::WindowShowState* show_state) const {
- // Do nothing for now. ChromeOS isn't yet saving window placement.
-}
-
-void NativeWidgetGtk::SetWindowTitle(const string16& title) {
- // We don't have a window title on ChromeOS (right now).
-}
-
-void NativeWidgetGtk::SetWindowIcons(const SkBitmap& window_icon,
- const SkBitmap& app_icon) {
- // We don't have window icons on ChromeOS.
-}
-
-void NativeWidgetGtk::SetAccessibleName(const string16& name) {
-}
-
-void NativeWidgetGtk::SetAccessibleRole(ui::AccessibilityTypes::Role role) {
-}
-
-void NativeWidgetGtk::SetAccessibleState(ui::AccessibilityTypes::State state) {
-}
-
-void NativeWidgetGtk::InitModalType(ui::ModalType modal_type) {
- if (modal_type == ui::MODAL_TYPE_NONE)
- return;
- gtk_window_set_modal(GetNativeWindow(), true);
-}
-
-gfx::Rect NativeWidgetGtk::GetWindowScreenBounds() const {
- // Client == Window bounds on Gtk.
- return GetClientAreaScreenBounds();
-}
-
-gfx::Rect NativeWidgetGtk::GetClientAreaScreenBounds() const {
- // Due to timing we can get a request for bounds after Close().
- // TODO(beng): Figure out if this is bogus.
- if (!widget_)
- return gfx::Rect(size_);
-
- int x = 0, y = 0, w = 0, h = 0;
- if (GTK_IS_WINDOW(widget_)) {
- gtk_window_get_position(GTK_WINDOW(widget_), &x, &y);
- // NOTE: this doesn't include frame decorations, but it should be good
- // enough for our uses.
- gtk_window_get_size(GTK_WINDOW(widget_), &w, &h);
- } else {
- GetWidgetPositionOnScreen(widget_, &x, &y);
- w = widget_->allocation.width;
- h = widget_->allocation.height;
- }
- return gfx::Rect(x, y, w, h);
-}
-
-gfx::Rect NativeWidgetGtk::GetRestoredBounds() const {
- // We currently don't support tiling, so this doesn't matter.
- return GetWindowScreenBounds();
-}
-
-void NativeWidgetGtk::SetBounds(const gfx::Rect& bounds) {
- if (child_) {
- GtkWidget* parent = gtk_widget_get_parent(widget_);
- if (GTK_IS_VIEWS_FIXED(parent)) {
- NativeWidgetGtk* parent_widget = static_cast<NativeWidgetGtk*>(
- internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(parent));
- parent_widget->PositionChild(widget_, bounds.x(), bounds.y(),
- bounds.width(), bounds.height());
- } else {
- DCHECK(GTK_IS_FIXED(parent))
- << "Parent of NativeWidgetGtk has to be Fixed or ViewsFixed";
- // Just request the size if the parent is not NativeWidgetGtk but plain
- // GtkFixed. NativeWidgetGtk does not know the minimum size so we assume
- // the caller of the SetBounds knows exactly how big it wants to be.
- gtk_widget_set_size_request(widget_, bounds.width(), bounds.height());
- if (parent != null_parent_)
- gtk_fixed_move(GTK_FIXED(parent), widget_, bounds.x(), bounds.y());
- }
- } else {
- if (GTK_WIDGET_MAPPED(widget_)) {
- // If the widget is mapped (on screen), we can move and resize with one
- // call, which avoids two separate window manager steps.
- gdk_window_move_resize(widget_->window, bounds.x(), bounds.y(),
- bounds.width(), bounds.height());
- }
-
- // Always call gtk_window_move and gtk_window_resize so that GtkWindow's
- // geometry info is up-to-date.
- GtkWindow* gtk_window = GTK_WINDOW(widget_);
- // TODO: this may need to set an initial size if not showing.
- // TODO: need to constrain based on screen size.
- if (!bounds.IsEmpty()) {
- gtk_window_resize(gtk_window, bounds.width(), bounds.height());
- }
- gtk_window_move(gtk_window, bounds.x(), bounds.y());
- }
-}
-
-void NativeWidgetGtk::SetSize(const gfx::Size& size) {
- if (child_) {
- GtkWidget* parent = gtk_widget_get_parent(widget_);
- if (GTK_IS_VIEWS_FIXED(parent)) {
- gtk_views_fixed_set_widget_size(widget_, size.width(), size.height());
- } else {
- gtk_widget_set_size_request(widget_, size.width(), size.height());
- }
- } else {
- if (GTK_WIDGET_MAPPED(widget_))
- gdk_window_resize(widget_->window, size.width(), size.height());
- GtkWindow* gtk_window = GTK_WINDOW(widget_);
- if (!size.IsEmpty())
- gtk_window_resize(gtk_window, size.width(), size.height());
- }
-}
-
-void NativeWidgetGtk::StackAbove(gfx::NativeView native_view) {
- ui::StackPopupWindow(GetNativeView(), native_view);
-}
-
-void NativeWidgetGtk::StackAtTop() {
- DCHECK(GTK_IS_WINDOW(GetNativeView()));
- gtk_window_present(GTK_WINDOW(GetNativeView()));
-}
-
-void NativeWidgetGtk::StackBelow(gfx::NativeView native_view) {
- NOTIMPLEMENTED();
-}
-
-void NativeWidgetGtk::SetShape(gfx::NativeRegion region) {
- if (widget_ && widget_->window) {
- gdk_window_shape_combine_region(widget_->window, region, 0, 0);
- gdk_region_destroy(region);
- }
-}
-
-void NativeWidgetGtk::Close() {
- if (!widget_)
- return; // No need to do anything.
-
- // Hide first.
- Hide();
- if (!close_widget_factory_.HasWeakPtrs()) {
- // And we delay the close just in case we're on the stack.
- MessageLoop::current()->PostTask(
- FROM_HERE,
- base::Bind(&NativeWidgetGtk::CloseNow,
- close_widget_factory_.GetWeakPtr()));
- }
-}
-
-void NativeWidgetGtk::CloseNow() {
- if (widget_) {
- gtk_widget_destroy(widget_); // Triggers OnDestroy().
- }
-}
-
-void NativeWidgetGtk::Show() {
- if (widget_) {
- gtk_widget_show(widget_);
- if (widget_->window)
- gdk_window_raise(widget_->window);
- }
-}
-
-void NativeWidgetGtk::Hide() {
- if (widget_) {
- gtk_widget_hide(widget_);
- if (widget_->window)
- gdk_window_lower(widget_->window);
- }
-}
-
-void NativeWidgetGtk::ShowMaximizedWithBounds(
- const gfx::Rect& restored_bounds) {
- // TODO: when we add maximization support update this.
- Show();
-}
-
-void NativeWidgetGtk::ShowWithWindowState(ui::WindowShowState show_state) {
- // No concept of maximization (yet) on ChromeOS.
- if (show_state == ui::SHOW_STATE_INACTIVE)
- gtk_window_set_focus_on_map(GetNativeWindow(), false);
- gtk_widget_show(GetNativeView());
-}
-
-bool NativeWidgetGtk::IsVisible() const {
- return GTK_WIDGET_VISIBLE(GetNativeView()) && (GetWidget()->is_top_level() ||
- GetWidget()->GetTopLevelWidget()->IsVisible());
-}
-
-void NativeWidgetGtk::Activate() {
- gtk_window_present(GetNativeWindow());
-}
-
-void NativeWidgetGtk::Deactivate() {
- gdk_window_lower(GTK_WIDGET(GetNativeView())->window);
-}
-
-bool NativeWidgetGtk::IsActive() const {
- DCHECK(!child_);
- return is_active_;
-}
-
-void NativeWidgetGtk::SetAlwaysOnTop(bool on_top) {
- DCHECK(!child_);
- always_on_top_ = on_top;
- if (widget_)
- gtk_window_set_keep_above(GTK_WINDOW(widget_), on_top);
-}
-
-void NativeWidgetGtk::Maximize() {
- gtk_window_maximize(GetNativeWindow());
-}
-
-void NativeWidgetGtk::Minimize() {
- gtk_window_iconify(GetNativeWindow());
-}
-
-bool NativeWidgetGtk::IsMaximized() const {
- return window_state_ & GDK_WINDOW_STATE_MAXIMIZED;
-}
-
-bool NativeWidgetGtk::IsMinimized() const {
- return window_state_ & GDK_WINDOW_STATE_ICONIFIED;
-}
-
-void NativeWidgetGtk::Restore() {
- if (IsFullscreen()) {
- SetFullscreen(false);
- } else {
- if (IsMaximized())
- gtk_window_unmaximize(GetNativeWindow());
- else if (IsMinimized())
- gtk_window_deiconify(GetNativeWindow());
- }
-}
-
-void NativeWidgetGtk::SetFullscreen(bool fullscreen) {
- if (fullscreen)
- gtk_window_fullscreen(GetNativeWindow());
- else
- gtk_window_unfullscreen(GetNativeWindow());
-}
-
-bool NativeWidgetGtk::IsFullscreen() const {
- return window_state_ & GDK_WINDOW_STATE_FULLSCREEN;
-}
-
-void NativeWidgetGtk::SetOpacity(unsigned char opacity) {
- opacity_ = opacity;
- if (widget_) {
- // We can only set the opacity when the widget has been realized.
- gdk_window_set_opacity(widget_->window, static_cast<gdouble>(opacity) /
- static_cast<gdouble>(255));
- }
-}
-
-void NativeWidgetGtk::SetUseDragFrame(bool use_drag_frame) {
- NOTIMPLEMENTED();
-}
-
-void NativeWidgetGtk::FlashFrame(bool flash) {
- gtk_window_set_urgency_hint(GTK_WINDOW(GetNativeView()), flash);
-}
-
-bool NativeWidgetGtk::IsAccessibleWidget() const {
- return false;
-}
-
-void NativeWidgetGtk::RunShellDrag(View* view,
- const ui::OSExchangeData& data,
- const gfx::Point& location,
- int operation) {
- DoDrag(data, operation);
-}
-
-void NativeWidgetGtk::SchedulePaintInRect(const gfx::Rect& rect) {
- // No need to schedule paint if
- // 1) widget_ is NULL. This may happen because this instance may
- // be deleted after the gtk widget has been destroyed (See OnDestroy()).
- // 2) widget_ is not drawable (mapped and visible)
- // 3) If it's never painted before. The first expose event will
- // paint the area that has to be painted.
- if (widget_ && GTK_WIDGET_DRAWABLE(widget_) && painted_) {
- gtk_widget_queue_draw_area(widget_, rect.x(), rect.y(), rect.width(),
- rect.height());
- }
-}
-
-void NativeWidgetGtk::SetCursor(gfx::NativeCursor cursor) {
- // |window_contents_| is placed on top of |widget_|. So the cursor needs to be
- // set on |window_contents_| instead of |widget_|.
- if (window_contents_)
- gdk_window_set_cursor(window_contents_->window, cursor);
-}
-
-void NativeWidgetGtk::ClearNativeFocus() {
- DCHECK(!child_);
- if (!GetNativeView()) {
- NOTREACHED();
- return;
- }
- gtk_window_set_focus(GTK_WINDOW(GetNativeView()), NULL);
-}
-
-void NativeWidgetGtk::FocusNativeView(gfx::NativeView native_view) {
- if (native_view && !gtk_widget_is_focus(native_view))
- gtk_widget_grab_focus(native_view);
-}
-
-gfx::Rect NativeWidgetGtk::GetWorkAreaBoundsInScreen() const {
- return gfx::Screen::GetMonitorWorkAreaNearestWindow(GetNativeView());
-}
-
-void NativeWidgetGtk::SetInactiveRenderingDisabled(bool value) {
-}
-
-Widget::MoveLoopResult NativeWidgetGtk::RunMoveLoop() {
- NOTIMPLEMENTED();
- return Widget::MOVE_LOOP_CANCELED;
-}
-
-void NativeWidgetGtk::EndMoveLoop() {
- NOTIMPLEMENTED();
-}
-
-void NativeWidgetGtk::SetVisibilityChangedAnimationsEnabled(bool value) {
- // Nothing needed on gtk.
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetGtk, protected:
-
-void NativeWidgetGtk::OnSizeRequest(GtkWidget* widget,
- GtkRequisition* requisition) {
- // Do only return the preferred size for child windows. GtkWindow interprets
- // the requisition as a minimum size for top level windows, returning a
- // preferred size for these would prevents us from setting smaller window
- // sizes.
- if (child_) {
- gfx::Size size(GetWidget()->GetRootView()->GetPreferredSize());
- requisition->width = size.width();
- requisition->height = size.height();
- }
-}
-
-void NativeWidgetGtk::OnSizeAllocate(GtkWidget* widget,
- GtkAllocation* allocation) {
- // See comment next to size_ as to why we do this. Also note, it's tempting
- // to put this in the static method so subclasses don't need to worry about
- // it, but if a subclasses needs to set a shape then they need to always
- // reset the shape in this method regardless of whether the size changed.
- gfx::Size new_size(allocation->width, allocation->height);
- if (new_size == size_)
- return;
- size_ = new_size;
- delegate_->OnNativeWidgetSizeChanged(size_);
-
- if (GetWidget()->non_client_view()) {
- // The Window's NonClientView may provide a custom shape for the Window.
- gfx::Path window_mask;
- GetWidget()->non_client_view()->GetWindowMask(gfx::Size(allocation->width,
- allocation->height),
- &window_mask);
- GdkRegion* mask_region = window_mask.CreateNativeRegion();
- gdk_window_shape_combine_region(GetNativeView()->window, mask_region, 0, 0);
- if (mask_region)
- gdk_region_destroy(mask_region);
-
- SaveWindowPosition();
- }
-}
-
-gboolean NativeWidgetGtk::OnPaint(GtkWidget* widget, GdkEventExpose* event) {
- gdk_window_set_debug_updates(Widget::IsDebugPaintEnabled());
-
- if (transparent_ && child_) {
- // Clear the background before drawing any view and native components.
- DrawTransparentBackground(widget, event);
- if (!CompositePainter::IsComposited(widget_) &&
- gdk_screen_is_composited(gdk_screen_get_default())) {
- // Let the parent draw the content only after something is drawn on
- // the widget.
- CompositePainter::SetComposited(widget_);
- }
- }
-
- ui::ScopedRegion region(gdk_region_copy(event->region));
- if (!gdk_region_empty(region.Get())) {
- GdkRectangle clip_bounds;
- gdk_region_get_clipbox(region.Get(), &clip_bounds);
- if (!delegate_->OnNativeWidgetPaintAccelerated(gfx::Rect(clip_bounds))) {
- gfx::CanvasSkiaPaint canvas(event);
- if (!canvas.is_empty()) {
- canvas.set_composite_alpha(is_transparent());
- delegate_->OnNativeWidgetPaint(&canvas);
- }
- }
- }
-
- if (!painted_) {
- painted_ = true;
- if (!child_)
- UpdateFreezeUpdatesProperty(GTK_WINDOW(widget_), false /* remove */);
- }
- return false; // False indicates other widgets should get the event as well.
-}
-
-void NativeWidgetGtk::OnDragDataGet(GtkWidget* widget,
- GdkDragContext* context,
- GtkSelectionData* data,
- guint info,
- guint time) {
- if (!drag_data_) {
- NOTREACHED();
- return;
- }
- drag_data_->WriteFormatToSelection(info, data);
-}
-
-void NativeWidgetGtk::OnDragDataReceived(GtkWidget* widget,
- GdkDragContext* context,
- gint x,
- gint y,
- GtkSelectionData* data,
- guint info,
- guint time) {
- if (drop_target_.get())
- drop_target_->OnDragDataReceived(context, x, y, data, info, time);
-}
-
-gboolean NativeWidgetGtk::OnDragDrop(GtkWidget* widget,
- GdkDragContext* context,
- gint x,
- gint y,
- guint time) {
- if (drop_target_.get()) {
- return drop_target_->OnDragDrop(context, x, y, time);
- }
- return FALSE;
-}
-
-void NativeWidgetGtk::OnDragEnd(GtkWidget* widget, GdkDragContext* context) {
- if (!drag_data_) {
- // This indicates we didn't start a drag operation, and should never
- // happen.
- NOTREACHED();
- return;
- }
- // Quit the nested message loop we spawned in DoDrag.
- MessageLoop::current()->Quit();
-}
-
-gboolean NativeWidgetGtk::OnDragFailed(GtkWidget* widget,
- GdkDragContext* context,
- GtkDragResult result) {
- return FALSE;
-}
-
-void NativeWidgetGtk::OnDragLeave(GtkWidget* widget,
- GdkDragContext* context,
- guint time) {
- if (ignore_drag_leave_) {
- ignore_drag_leave_ = false;
- return;
- }
- if (drop_target_.get()) {
- drop_target_->OnDragLeave(context, time);
- drop_target_.reset(NULL);
- }
-}
-
-gboolean NativeWidgetGtk::OnDragMotion(GtkWidget* widget,
- GdkDragContext* context,
- gint x,
- gint y,
- guint time) {
- if (!drop_target_.get()) {
- drop_target_.reset(new DropTargetGtk(
- reinterpret_cast<internal::RootView*>(GetWidget()->GetRootView()),
- context));
- }
- return drop_target_->OnDragMotion(context, x, y, time);
-}
-
-gboolean NativeWidgetGtk::OnEnterNotify(GtkWidget* widget,
- GdkEventCrossing* event) {
- if (HasMouseCapture() && event->mode == GDK_CROSSING_GRAB) {
- // Doing a grab results an async enter event, regardless of where the mouse
- // is. We don't want to generate a mouse move in this case.
- return false;
- }
-
- if (!GetWidget()->last_mouse_event_was_move_ &&
- !GetWidget()->is_mouse_button_pressed_) {
- // When a mouse button is pressed gtk generates a leave, enter, press.
- // RootView expects to get a mouse move before a press, otherwise enter is
- // not set. So we generate a move here.
- GdkEventMotion motion = { GDK_MOTION_NOTIFY, event->window,
- event->send_event, event->time, event->x, event->y, NULL, event->state,
- 0, NULL, event->x_root, event->y_root };
-
- // If this event is the result of pressing a button then one of the button
- // modifiers is set. Unset it as we're compensating for the leave generated
- // when you press a button.
- motion.state &= ~(GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK);
-
- MouseEvent mouse_event(TransformEvent(&motion));
- delegate_->OnMouseEvent(mouse_event);
- }
- return false;
-}
-
-gboolean NativeWidgetGtk::OnLeaveNotify(GtkWidget* widget,
- GdkEventCrossing* event) {
- gdk_window_set_cursor(widget->window, gfx::GetCursor(GDK_LEFT_PTR));
-
- GetWidget()->ResetLastMouseMoveFlag();
-
- if (!HasMouseCapture() && !GetWidget()->is_mouse_button_pressed_) {
- // Don't convert if the event is synthetic and has 0x0 coordinates.
- if (event->x_root || event->y_root || event->x || event->y ||
- !event->send_event) {
- TransformEvent(event);
- }
- MouseEvent mouse_event(reinterpret_cast<GdkEvent*>(event));
- delegate_->OnMouseEvent(mouse_event);
- }
- return false;
-}
-
-gboolean NativeWidgetGtk::OnMotionNotify(GtkWidget* widget,
- GdkEventMotion* event) {
- if (GetWidget()->non_client_view()) {
- GdkEventMotion transformed_event = *event;
- TransformEvent(&transformed_event);
- gfx::Point translated_location(transformed_event.x, transformed_event.y);
-
- // Update the cursor for the screen edge.
- int hittest_code =
- GetWidget()->non_client_view()->NonClientHitTest(translated_location);
- if (hittest_code != HTCLIENT) {
- GdkCursorType cursor_type = HitTestCodeToGdkCursorType(hittest_code);
- gdk_window_set_cursor(widget->window, gfx::GetCursor(cursor_type));
- }
- }
-
- MouseEvent mouse_event(TransformEvent(event));
- delegate_->OnMouseEvent(mouse_event);
- return true;
-}
-
-gboolean NativeWidgetGtk::OnButtonPress(GtkWidget* widget,
- GdkEventButton* event) {
- if (GetWidget()->non_client_view()) {
- GdkEventButton transformed_event = *event;
- MouseEvent mouse_event(TransformEvent(&transformed_event));
-
- int hittest_code = GetWidget()->non_client_view()->NonClientHitTest(
- mouse_event.location());
- switch (hittest_code) {
- case HTCAPTION: {
- // Start dragging if the mouse event is a single click and *not* a right
- // click. If it is a right click, then pass it through to
- // NativeWidgetGtk::OnButtonPress so that View class can show
- // ContextMenu upon a mouse release event. We only start drag on single
- // clicks as we get a crash in Gtk on double/triple clicks.
- if (event->type == GDK_BUTTON_PRESS &&
- !mouse_event.IsOnlyRightMouseButton()) {
- gfx::Point screen_point(event->x, event->y);
- View::ConvertPointToScreen(GetWidget()->GetRootView(), &screen_point);
- gtk_window_begin_move_drag(GetNativeWindow(), event->button,
- screen_point.x(), screen_point.y(),
- event->time);
- return TRUE;
- }
- break;
- }
- case HTBOTTOM:
- case HTBOTTOMLEFT:
- case HTBOTTOMRIGHT:
- case HTGROWBOX:
- case HTLEFT:
- case HTRIGHT:
- case HTTOP:
- case HTTOPLEFT:
- case HTTOPRIGHT: {
- gfx::Point screen_point(event->x, event->y);
- View::ConvertPointToScreen(GetWidget()->GetRootView(), &screen_point);
- // TODO(beng): figure out how to get a good minimum size.
- gtk_widget_set_size_request(GetNativeView(), 100, 100);
- gtk_window_begin_resize_drag(GetNativeWindow(),
- HitTestCodeToGDKWindowEdge(hittest_code),
- event->button, screen_point.x(),
- screen_point.y(), event->time);
- return TRUE;
- }
- default:
- // Everything else falls into standard client event handling...
- break;
- }
- }
-
- if (event->type == GDK_2BUTTON_PRESS || event->type == GDK_3BUTTON_PRESS) {
- // The sequence for double clicks is press, release, press, 2press, release.
- // This means that at the time we get the second 'press' we don't know
- // whether it corresponds to a double click or not. For now we're completely
- // ignoring the 2press/3press events as they are duplicate. To make this
- // work right we need to write our own code that detects if the press is a
- // double/triple. For now we're completely punting, which means we always
- // get single clicks.
- // TODO: fix this.
- return true;
- }
-
- MouseEvent mouse_event(TransformEvent(event));
- // Returns true to consume the event when widget is not transparent.
- return delegate_->OnMouseEvent(mouse_event) || !transparent_;
-}
-
-gboolean NativeWidgetGtk::OnButtonRelease(GtkWidget* widget,
- GdkEventButton* event) {
- // GTK generates a mouse release at the end of dnd. We need to ignore it.
- if (!drag_data_) {
- MouseEvent mouse_event(TransformEvent(event));
- delegate_->OnMouseEvent(mouse_event);
- }
- return true;
-}
-
-gboolean NativeWidgetGtk::OnScroll(GtkWidget* widget, GdkEventScroll* event) {
- MouseWheelEvent mouse_event(TransformEvent(event));
- return delegate_->OnMouseEvent(mouse_event);
-}
-
-gboolean NativeWidgetGtk::OnFocusIn(GtkWidget* gtk_widget,
- GdkEventFocus* event) {
- if (has_focus_)
- return false; // This is the second focus-in event in a row, ignore it.
- has_focus_ = true;
-
- Widget* widget = GetWidget();
-
- if (widget->GetFocusManager())
- widget->GetFocusManager()->ResetMenuKeyState();
-
- if (!widget->is_top_level())
- return false;
-
- // Only top-level Widget should have an InputMethod instance.
- InputMethod* input_method = widget->GetInputMethod();
- if (input_method)
- input_method->OnFocus();
-
- // See description of got_initial_focus_in_ for details on this.
- if (!got_initial_focus_in_) {
- got_initial_focus_in_ = true;
- // Sets initial focus here. On X11/Gtk, window creation
- // is asynchronous and a focus request has to be made after a window
- // gets created.
- widget->SetInitialFocus();
- }
- return false;
-}
-
-gboolean NativeWidgetGtk::OnFocusOut(GtkWidget* widget, GdkEventFocus* event) {
- if (!has_focus_)
- return false; // This is the second focus-out event in a row, ignore it.
- has_focus_ = false;
-
- if (!GetWidget()->is_top_level())
- return false;
-
- // Only top-level Widget should have an InputMethod instance.
- InputMethod* input_method = GetWidget()->GetInputMethod();
- if (input_method)
- input_method->OnBlur();
- return false;
-}
-
-gboolean NativeWidgetGtk::OnEventKey(GtkWidget* widget, GdkEventKey* event) {
- KeyEvent key(reinterpret_cast<GdkEvent*>(event));
- InputMethod* input_method = GetWidget()->GetInputMethod();
- if (input_method)
- input_method->DispatchKeyEvent(key);
- else
- DispatchKeyEventPostIME(key);
-
- // Returns true to prevent GtkWindow's default key event handler.
- return true;
-}
-
-gboolean NativeWidgetGtk::OnQueryTooltip(GtkWidget* widget,
- gint x,
- gint y,
- gboolean keyboard_mode,
- GtkTooltip* tooltip) {
- return static_cast<TooltipManagerGtk*>(tooltip_manager_.get())->
- ShowTooltip(x, y, keyboard_mode, tooltip);
-}
-
-gboolean NativeWidgetGtk::OnVisibilityNotify(GtkWidget* widget,
- GdkEventVisibility* event) {
- return false;
-}
-
-gboolean NativeWidgetGtk::OnGrabBrokeEvent(GtkWidget* widget, GdkEvent* event) {
- if (!has_pointer_grab_ && !has_keyboard_grab_) {
- // We don't have any grabs; don't attempt to do anything.
- return false;
- }
-
- // Sent when either the keyboard or pointer grab is broke. We drop both grabs
- // in this case.
- if (event->grab_broken.keyboard) {
- // Keyboard grab was broke.
- has_keyboard_grab_ = false;
- if (has_pointer_grab_) {
- has_pointer_grab_ = false;
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
- delegate_->OnMouseCaptureLost();
- }
- } else {
- // Mouse grab was broke.
- has_pointer_grab_ = false;
- if (has_keyboard_grab_) {
- has_keyboard_grab_ = false;
- gdk_keyboard_ungrab(GDK_CURRENT_TIME);
- }
- delegate_->OnMouseCaptureLost();
- }
- ReleaseMouseCapture();
-
- return false; // To let other widgets get the event.
-}
-
-void NativeWidgetGtk::OnGrabNotify(GtkWidget* widget, gboolean was_grabbed) {
- // Sent when gtk_grab_add changes.
- if (!window_contents_)
- return; // Grab broke after window destroyed, don't try processing it.
- if (!was_grabbed) // Indicates we've been shadowed (lost grab).
- HandleGtkGrabBroke();
-}
-
-void NativeWidgetGtk::OnDestroy(GtkWidget* object) {
- signal_registrar_.reset();
- destroy_signal_registrar_.reset();
- if (grab_notify_signal_id_) {
- g_signal_handler_disconnect(window_contents_, grab_notify_signal_id_);
- grab_notify_signal_id_ = 0;
- }
- delegate_->OnNativeWidgetDestroying();
- if (!child_)
- ActiveWindowWatcherX::RemoveObserver(this);
- if (widget_)
- SetNativeWindowProperty(kNativeWidgetKey, NULL);
-
- // Note that this handler is hooked to GtkObject::destroy.
- // NULL out pointers here since we might still be in an observer list
- // until deletion happens.
- widget_ = window_contents_ = NULL;
-}
-
-void NativeWidgetGtk::OnDestroyed(GObject *where_the_object_was) {
- delegate_->OnNativeWidgetDestroyed();
- if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET)
- delete this;
-}
-
-void NativeWidgetGtk::OnShow(GtkWidget* widget) {
- delegate_->OnNativeWidgetVisibilityChanged(true);
-}
-
-void NativeWidgetGtk::OnMap(GtkWidget* widget) {
-}
-
-void NativeWidgetGtk::OnHide(GtkWidget* widget) {
- delegate_->OnNativeWidgetVisibilityChanged(false);
-}
-
-gboolean NativeWidgetGtk::OnWindowStateEvent(GtkWidget* widget,
- GdkEventWindowState* event) {
- if (GetWidget()->non_client_view() &&
- !(event->new_window_state & GDK_WINDOW_STATE_WITHDRAWN)) {
- SaveWindowPosition();
- }
- window_state_ = event->new_window_state;
- return FALSE;
-}
-
-gboolean NativeWidgetGtk::OnConfigureEvent(GtkWidget* widget,
- GdkEventConfigure* event) {
- SaveWindowPosition();
- return FALSE;
-}
-
-void NativeWidgetGtk::HandleGtkGrabBroke() {
- ReleaseMouseCapture();
- delegate_->OnMouseCaptureLost();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetGtk, private:
-
-void NativeWidgetGtk::DispatchKeyEventPostIME(const KeyEvent& key) {
- if (GetWidget()->GetFocusManager())
- GetWidget()->GetFocusManager()->MaybeResetMenuKeyState(key);
-
- // Send the key event to View hierarchy first.
- bool handled = delegate_->OnKeyEvent(key);
-
- if (key.key_code() == ui::VKEY_PROCESSKEY || handled)
- return;
-
- // Dispatch the key event to native GtkWidget hierarchy.
- // To prevent GtkWindow from handling the key event as a keybinding, we need
- // to bypass GtkWindow's default key event handler and dispatch the event
- // here.
- GdkEventKey* event = reinterpret_cast<GdkEventKey*>(key.gdk_event());
- if (!handled && event && GTK_IS_WINDOW(widget_))
- handled = gtk_window_propagate_key_event(GTK_WINDOW(widget_), event);
-
- // On Linux, in order to handle VKEY_MENU (Alt) accelerator key correctly and
- // avoid issues like: http://crbug.com/40966 and http://crbug.com/49701, we
- // should only send the key event to the focus manager if it's not handled by
- // any View or native GtkWidget.
- // The flow is different when the focus is in a RenderWidgetHostViewGtk, which
- // always consumes the key event and send it back to us later by calling
- // HandleKeyboardEvent() directly, if it's not handled by webkit.
- if (!handled)
- handled = HandleKeyboardEvent(key);
-
- // Dispatch the key event for bindings processing.
- if (!handled && event && GTK_IS_WINDOW(widget_))
- gtk_bindings_activate_event(GTK_OBJECT(widget_), event);
-}
-
-void NativeWidgetGtk::SetInitParams(const Widget::InitParams& params) {
- DCHECK(!GetNativeView());
-
- ownership_ = params.ownership;
- child_ = params.child;
- is_menu_ = params.type == Widget::InitParams::TYPE_MENU;
-
- // TODO(beng): The secondary checks here actually obviate the need for
- // params.transient but that's only because NativeWidgetGtk
- // considers any top-level widget to be a transient widget. We
- // will probably want to ammend this assumption at some point.
- if (params.transient || params.parent || params.parent_widget)
- transient_to_parent_ = true;
- if (params.transparent)
- MakeTransparent();
- if (!params.accept_events && !child_)
- ignore_events_ = true;
- if (params.double_buffer)
- EnableDoubleBuffer(true);
-}
-
-gboolean NativeWidgetGtk::OnWindowPaint(GtkWidget* widget,
- GdkEventExpose* event) {
- // Clear the background to be totally transparent. We don't need to
- // paint the root view here as that is done by OnPaint.
- DCHECK(transparent_);
- DrawTransparentBackground(widget, event);
- // The Keyboard layout view has a renderer that covers the entire
- // window, which prevents OnPaint from being called on window_contents_,
- // so we need to remove the FREEZE_UPDATES property here.
- if (!painted_) {
- painted_ = true;
- UpdateFreezeUpdatesProperty(GTK_WINDOW(widget_), false /* remove */);
- }
- return false;
-}
-
-void NativeWidgetGtk::OnChildExpose(GtkWidget* child) {
- DCHECK(!child_);
- if (!painted_) {
- painted_ = true;
- UpdateFreezeUpdatesProperty(GTK_WINDOW(widget_), false /* remove */);
- }
- UnregisterChildExposeHandler(child);
-}
-
-// static
-gboolean NativeWidgetGtk::ChildExposeHandler(GtkWidget* widget,
- GdkEventExpose* event) {
- GtkWidget* toplevel = gtk_widget_get_ancestor(widget, GTK_TYPE_WINDOW);
- CHECK(toplevel);
- Widget* views_widget = Widget::GetWidgetForNativeView(toplevel);
- CHECK(views_widget);
- NativeWidgetGtk* widget_gtk =
- static_cast<NativeWidgetGtk*>(views_widget->native_widget());
- widget_gtk->OnChildExpose(widget);
- return false;
-}
-
-void NativeWidgetGtk::CreateGtkWidget(const Widget::InitParams& params) {
- // We turn off double buffering for two reasons:
- // 1. We draw to a canvas then composite to the screen, which means we're
- // doing our own double buffering already.
- // 2. GTKs double buffering clips to the dirty region. RootView occasionally
- // needs to expand the paint region (see RootView::OnPaint). This means
- // that if we use GTK's double buffering and we tried to expand the dirty
- // region, it wouldn't get painted.
- if (child_) {
- window_contents_ = widget_ = gtk_views_fixed_new();
- gtk_widget_set_name(widget_, "views-gtkwidget-child-fixed");
- if (!is_double_buffered_)
- GTK_WIDGET_UNSET_FLAGS(widget_, GTK_DOUBLE_BUFFERED);
- gtk_fixed_set_has_window(GTK_FIXED(widget_), true);
- if (!params.parent && !null_parent_) {
- GtkWidget* popup = gtk_window_new(GTK_WINDOW_POPUP);
- null_parent_ = gtk_fixed_new();
- gtk_widget_set_name(null_parent_, "views-gtkwidget-null-parent");
- gtk_container_add(GTK_CONTAINER(popup), null_parent_);
- gtk_widget_realize(null_parent_);
- }
- if (transparent_) {
- // transparency has to be configured before widget is realized.
- DCHECK(params.parent) <<
- "Transparent widget must have parent when initialized";
- ConfigureWidgetForTransparentBackground(params.parent);
- }
- gtk_container_add(
- GTK_CONTAINER(params.parent ? params.parent : null_parent_), widget_);
- gtk_widget_realize(widget_);
- if (transparent_) {
- // The widget has to be realized to set composited flag.
- // I tried "realize" signal to set this flag, but it did not work
- // when the top level is popup.
- DCHECK(GTK_WIDGET_REALIZED(widget_));
- gdk_window_set_composited(widget_->window, true);
- }
- if (params.parent && !params.bounds.size().IsEmpty()) {
- // Make sure that an widget is given it's initial size before
- // we're done initializing, to take care of some potential
- // corner cases when programmatically arranging hierarchies as
- // seen in
- // http://code.google.com/p/chromium-os/issues/detail?id=5987
-
- // This can't be done without a parent present, or stale data
- // might show up on the screen as seen in
- // http://code.google.com/p/chromium/issues/detail?id=53870
- GtkAllocation alloc =
- { 0, 0, params.bounds.width(), params.bounds.height() };
- gtk_widget_size_allocate(widget_, &alloc);
- }
- if (params.type == Widget::InitParams::TYPE_CONTROL) {
- // Controls are initially visible.
- gtk_widget_show(widget_);
- }
- } else {
- Widget::InitParams::Type type = params.type;
- if (type == Widget::InitParams::TYPE_BUBBLE &&
- params.delegate->AsBubbleDelegate() &&
- params.delegate->AsBubbleDelegate()->use_focusless()) {
- // Handles focusless bubble type, which are bubbles that should
- // act like popups rather than gtk windows. They do not get focus
- // and are not controlled by window manager placement.
- type = Widget::InitParams::TYPE_POPUP;
- }
-
- // Use our own window class to override GtkWindow's move_focus method.
- widget_ = gtk_views_window_new(WindowTypeToGtkWindowType(type));
- gtk_widget_set_name(widget_, "views-gtkwidget-window");
- if (transient_to_parent_) {
- gtk_window_set_transient_for(GTK_WINDOW(widget_),
- GTK_WINDOW(params.parent));
- }
- GTK_WIDGET_UNSET_FLAGS(widget_, GTK_DOUBLE_BUFFERED);
-
- // Gtk determines the size for windows based on the requested size of the
- // child. For NativeWidgetGtk the child is a fixed. If the fixed ends up
- // with a child widget it's possible the child widget will drive the
- // requested size of the widget, which we don't want. We explicitly set a
- // value of 1x1 here so that gtk doesn't attempt to resize the window if we
- // end up with a situation where the requested size of a child of the fixed
- // is greater than the size of the window. By setting the size in this
- // manner we're also allowing users of WidgetGtk to change the requested
- // size at any time.
- gtk_widget_set_size_request(widget_, 1, 1);
-
- if (!params.bounds.size().IsEmpty()) {
- // When we realize the window, the window manager is given a size. If we
- // don't specify a size before then GTK defaults to 200x200. Specify
- // a size now so that the window manager sees the requested size.
- GtkAllocation alloc =
- { 0, 0, params.bounds.width(), params.bounds.height() };
- gtk_widget_size_allocate(widget_, &alloc);
- }
- gtk_window_set_decorated(GTK_WINDOW(widget_), false);
- // We'll take care of positioning our window.
- gtk_window_set_position(GTK_WINDOW(widget_), GTK_WIN_POS_NONE);
-
- window_contents_ = gtk_views_fixed_new();
- gtk_widget_set_name(window_contents_, "views-gtkwidget-window-fixed");
- if (!is_double_buffered_)
- GTK_WIDGET_UNSET_FLAGS(window_contents_, GTK_DOUBLE_BUFFERED);
- gtk_fixed_set_has_window(GTK_FIXED(window_contents_), true);
- gtk_container_add(GTK_CONTAINER(widget_), window_contents_);
- gtk_widget_show(window_contents_);
- g_object_set_data(G_OBJECT(window_contents_), kNativeWidgetKey,
- static_cast<NativeWidgetGtk*>(this));
- if (transparent_)
- ConfigureWidgetForTransparentBackground(NULL);
-
- if (ignore_events_)
- ConfigureWidgetForIgnoreEvents();
-
- // Realize the window_contents_ so that we can always get a handle for
- // acceleration. Without this we need to check every time paint is
- // invoked.
- gtk_widget_realize(window_contents_);
-
- SetAlwaysOnTop(always_on_top_);
- // UpdateFreezeUpdatesProperty will realize the widget and handlers like
- // size-allocate will function properly.
- UpdateFreezeUpdatesProperty(GTK_WINDOW(widget_), true /* add */);
- }
- SetNativeWindowProperty(kNativeWidgetKey, this);
-}
-
-void NativeWidgetGtk::ConfigureWidgetForTransparentBackground(
- GtkWidget* parent) {
- DCHECK(widget_ && window_contents_);
-
- GdkColormap* rgba_colormap =
- gdk_screen_get_rgba_colormap(gtk_widget_get_screen(widget_));
- if (!rgba_colormap) {
- transparent_ = false;
- return;
- }
- // To make the background transparent we need to install the RGBA colormap
- // on both the window and fixed. In addition we need to make sure no
- // decorations are drawn. The last bit is to make sure the widget doesn't
- // attempt to draw a pixmap in it's background.
- if (!child_) {
- DCHECK(parent == NULL);
- gtk_widget_set_colormap(widget_, rgba_colormap);
- gtk_widget_set_app_paintable(widget_, true);
- signal_registrar_->Connect(widget_, "expose_event",
- G_CALLBACK(&OnWindowPaintThunk), this);
- gtk_widget_realize(widget_);
- gdk_window_set_decorations(widget_->window,
- static_cast<GdkWMDecoration>(0));
- } else {
- DCHECK(parent);
- CompositePainter::AddCompositePainter(parent);
- }
- DCHECK(!GTK_WIDGET_REALIZED(window_contents_));
- gtk_widget_set_colormap(window_contents_, rgba_colormap);
-}
-
-void NativeWidgetGtk::ConfigureWidgetForIgnoreEvents() {
- gtk_widget_realize(widget_);
- GdkWindow* gdk_window = widget_->window;
- Display* display = GDK_WINDOW_XDISPLAY(gdk_window);
- XID win = GDK_WINDOW_XID(gdk_window);
-
- // This sets the clickable area to be empty, allowing all events to be
- // passed to any windows behind this one.
- XShapeCombineRectangles(
- display,
- win,
- ShapeInput,
- 0, // x offset
- 0, // y offset
- NULL, // rectangles
- 0, // num rectangles
- ShapeSet,
- 0);
-}
-
-void NativeWidgetGtk::DrawTransparentBackground(GtkWidget* widget,
- GdkEventExpose* event) {
- cairo_t* cr = gdk_cairo_create(widget->window);
- cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
- gdk_cairo_region(cr, event->region);
- cairo_fill(cr);
- cairo_destroy(cr);
-}
-
-void NativeWidgetGtk::SaveWindowPosition() {
- // The delegate may have gone away on us.
- if (!GetWidget()->widget_delegate())
- return;
-
- ui::WindowShowState show_state = ui::SHOW_STATE_NORMAL;
- if (IsMaximized())
- show_state = ui::SHOW_STATE_MAXIMIZED;
- else if (IsMinimized())
- show_state = ui::SHOW_STATE_MINIMIZED;
- GetWidget()->widget_delegate()->SaveWindowPlacement(
- GetWidget()->GetWindowScreenBounds(),
- show_state);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// Widget, public:
-
-// static
-void Widget::NotifyLocaleChanged() {
- GList *window_list = gtk_window_list_toplevels();
- for (GList* element = window_list; element; element = g_list_next(element)) {
- Widget* widget =
- Widget::GetWidgetForNativeWindow(GTK_WINDOW(element->data));
- if (widget)
- widget->LocaleChanged();
- }
- g_list_free(window_list);
-}
-
-// static
-void Widget::CloseAllSecondaryWidgets() {
- GList* windows = gtk_window_list_toplevels();
- for (GList* window = windows; window;
- window = g_list_next(window)) {
- Widget* widget = Widget::GetWidgetForNativeView(GTK_WIDGET(window->data));
- if (widget && widget->is_secondary_widget())
- widget->Close();
- }
- g_list_free(windows);
-}
-
-// static
-bool Widget::ConvertRect(const Widget* source,
- const Widget* target,
- gfx::Rect* rect) {
- DCHECK(source);
- DCHECK(target);
- DCHECK(rect);
-
- // TODO(oshima): Add check if source and target belongs to the same
- // screen.
-
- if (source == target)
- return true;
- if (!source || !target)
- return false;
-
- gfx::Point source_point = source->GetWindowScreenBounds().origin();
- gfx::Point target_point = target->GetWindowScreenBounds().origin();
-
- rect->set_origin(
- source_point.Subtract(target_point).Add(rect->origin()));
- return true;
-}
-
-namespace internal {
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeWidgetPrivate, public:
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::CreateNativeWidget(
- NativeWidgetDelegate* delegate) {
- return new NativeWidgetGtk(delegate);
-}
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::GetNativeWidgetForNativeView(
- gfx::NativeView native_view) {
- if (!native_view)
- return NULL;
- return reinterpret_cast<NativeWidgetGtk*>(
- g_object_get_data(G_OBJECT(native_view), kNativeWidgetKey));
-}
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::GetNativeWidgetForNativeWindow(
- gfx::NativeWindow native_window) {
- if (!native_window)
- return NULL;
- return reinterpret_cast<NativeWidgetGtk*>(
- g_object_get_data(G_OBJECT(native_window), kNativeWidgetKey));
-}
-
-// static
-NativeWidgetPrivate* NativeWidgetPrivate::GetTopLevelNativeWidget(
- gfx::NativeView native_view) {
- if (!native_view)
- return NULL;
-
- NativeWidgetPrivate* widget = NULL;
-
- GtkWidget* parent_gtkwidget = native_view;
- NativeWidgetPrivate* parent_widget;
- do {
- parent_widget = GetNativeWidgetForNativeView(parent_gtkwidget);
- if (parent_widget)
- widget = parent_widget;
- parent_gtkwidget = gtk_widget_get_parent(parent_gtkwidget);
- } while (parent_gtkwidget);
-
- return widget && widget->GetWidget()->is_top_level() ? widget : NULL;
-}
-
-// static
-void NativeWidgetPrivate::GetAllChildWidgets(gfx::NativeView native_view,
- Widget::Widgets* children) {
- if (!native_view)
- return;
-
- Widget* widget = Widget::GetWidgetForNativeView(native_view);
- if (widget)
- children->insert(widget);
- gtk_container_foreach(GTK_CONTAINER(native_view),
- EnumerateChildWidgetsForNativeWidgets,
- reinterpret_cast<gpointer>(children));
-}
-
-// static
-void NativeWidgetPrivate::ReparentNativeView(gfx::NativeView native_view,
- gfx::NativeView new_parent) {
- if (!native_view)
- return;
-
- gfx::NativeView previous_parent = gtk_widget_get_parent(native_view);
- if (previous_parent == new_parent)
- return;
-
- Widget::Widgets widgets;
- GetAllChildWidgets(native_view, &widgets);
-
- // First notify all the widgets that they are being disassociated
- // from their previous parent.
- for (Widget::Widgets::iterator it = widgets.begin();
- it != widgets.end(); ++it) {
- // TODO(beng): Rename this notification to NotifyNativeViewChanging()
- // and eliminate the bool parameter.
- (*it)->NotifyNativeViewHierarchyChanged(false, previous_parent);
- }
-
- if (gtk_widget_get_parent(native_view))
- gtk_widget_reparent(native_view, new_parent);
- else
- gtk_container_add(GTK_CONTAINER(new_parent), native_view);
-
- // And now, notify them that they have a brand new parent.
- for (Widget::Widgets::iterator it = widgets.begin();
- it != widgets.end(); ++it) {
- (*it)->NotifyNativeViewHierarchyChanged(true, new_parent);
- }
-}
-
-// static
-bool NativeWidgetPrivate::IsMouseButtonDown() {
- bool button_pressed = false;
- GdkEvent* event = gtk_get_current_event();
- if (event) {
- button_pressed = event->type == GDK_BUTTON_PRESS ||
- event->type == GDK_2BUTTON_PRESS ||
- event->type == GDK_3BUTTON_PRESS;
- gdk_event_free(event);
- }
- return button_pressed;
-}
-
-} // namespace internal
-} // namespace views
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