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 |