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https://bitbucket.org/chromiumembedded/cef
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d8db6fa9da
This change provides a generic solution for active (key) window tracking that works with both Views-hosted and native windows on MacOS. With this new approach we can now successfully route top menu actions to the currently active window. Prior to this change CEF's Views API was using focus notifications as a proxy for window activation notifications. That doesn't work on MacOS where NSWindow activation (key status) is independent of NSView focus (first responder) status, and changes in activation don't necessarily generate focus notifications (see NativeWidgetMac::OnWindowKeyStatusChanged). To make this work reliably on all platforms we now expose a CefWindowDelegate::OnWindowActivationChanged callback. This change also fixes an uninitialized variable (RootWindowMacImpl::with_extension_) that was causing flaky behavior in RootWindowManager::OnRootWindowActivated. To test: 1. Run `cefclient [--use-views]` 2. Select Popup Window from the Tests menu. Do not explicitly activate the popup window (e.g. don't click on it). 3. Verify that further Tests menu actions go to the popup window. 4. Change activation to a first window by clicking on it. Verify that Test menu actions go to that window. 5. Close the currently active window. Do not explicitly activate the remaining window (e.g. don't click on it). 6. Verify that Test menu actions go to the only remaining window.
174 lines
6.6 KiB
C
174 lines
6.6 KiB
C
// Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// This file was generated by the CEF translator tool and should not edited
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// by hand. See the translator.README.txt file in the tools directory for
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// more information.
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//
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// $hash=7f88c6428929c0511ff90b6137efcc4cebcfeae4$
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//
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#ifndef CEF_INCLUDE_CAPI_VIEWS_CEF_WINDOW_DELEGATE_CAPI_H_
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#define CEF_INCLUDE_CAPI_VIEWS_CEF_WINDOW_DELEGATE_CAPI_H_
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#pragma once
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#include "include/capi/views/cef_panel_delegate_capi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct _cef_window_t;
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///
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// Implement this structure to handle window events. The functions of this
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// structure will be called on the browser process UI thread unless otherwise
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// indicated.
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///
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typedef struct _cef_window_delegate_t {
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///
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// Base structure.
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///
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cef_panel_delegate_t base;
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///
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// Called when |window| is created.
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///
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void(CEF_CALLBACK* on_window_created)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Called when |window| is destroyed. Release all references to |window| and
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// do not attempt to execute any functions on |window| after this callback
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// returns.
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///
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void(CEF_CALLBACK* on_window_destroyed)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Called when |window| is activated or deactivated.
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///
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void(CEF_CALLBACK* on_window_activation_changed)(
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struct _cef_window_delegate_t* self,
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struct _cef_window_t* window,
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int active);
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///
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// Return the parent for |window| or NULL if the |window| does not have a
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// parent. Windows with parents will not get a taskbar button. Set |is_menu|
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// to true (1) if |window| will be displayed as a menu, in which case it will
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// not be clipped to the parent window bounds. Set |can_activate_menu| to
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// false (0) if |is_menu| is true (1) and |window| should not be activated
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// (given keyboard focus) when displayed.
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///
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struct _cef_window_t*(CEF_CALLBACK* get_parent_window)(
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struct _cef_window_delegate_t* self,
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struct _cef_window_t* window,
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int* is_menu,
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int* can_activate_menu);
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///
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// Return the initial bounds for |window| in density independent pixel (DIP)
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// coordinates. If this function returns an NULL CefRect then
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// get_preferred_size() will be called to retrieve the size, and the window
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// will be placed on the screen with origin (0,0). This function can be used
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// in combination with cef_view_t::get_bounds_in_screen() to restore the
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// previous window bounds.
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///
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cef_rect_t(CEF_CALLBACK* get_initial_bounds)(
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struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Return the initial show state for |window|.
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///
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cef_show_state_t(CEF_CALLBACK* get_initial_show_state)(
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struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Return true (1) if |window| should be created without a frame or title bar.
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// The window will be resizable if can_resize() returns true (1). Use
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// cef_window_t::set_draggable_regions() to specify draggable regions.
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///
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int(CEF_CALLBACK* is_frameless)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Return true (1) if |window| can be resized.
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///
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int(CEF_CALLBACK* can_resize)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Return true (1) if |window| can be maximized.
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///
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int(CEF_CALLBACK* can_maximize)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Return true (1) if |window| can be minimized.
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///
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int(CEF_CALLBACK* can_minimize)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Return true (1) if |window| can be closed. This will be called for user-
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// initiated window close actions and when cef_window_t::close() is called.
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///
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int(CEF_CALLBACK* can_close)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window);
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///
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// Called when a keyboard accelerator registered with
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// cef_window_t::SetAccelerator is triggered. Return true (1) if the
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// accelerator was handled or false (0) otherwise.
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///
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int(CEF_CALLBACK* on_accelerator)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window,
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int command_id);
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///
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// Called after all other controls in the window have had a chance to handle
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// the event. |event| contains information about the keyboard event. Return
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// true (1) if the keyboard event was handled or false (0) otherwise.
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///
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int(CEF_CALLBACK* on_key_event)(struct _cef_window_delegate_t* self,
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struct _cef_window_t* window,
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const struct _cef_key_event_t* event);
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} cef_window_delegate_t;
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#ifdef __cplusplus
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}
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#endif
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#endif // CEF_INCLUDE_CAPI_VIEWS_CEF_WINDOW_DELEGATE_CAPI_H_
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