cef/include/views/cef_window.h
Marshall Greenblatt 4a44e16a09 views: Add support for absolute positioned overlay views.
To test:
Run `cefclient.exe --use-views --hide-frame --hide-controls`
Add `--enable-chrome-runtime` for the same behavior using the Chrome location
bar instead of a text field.
2021-09-16 18:25:43 +03:00

353 lines
11 KiB
C++

// Copyright (c) 2016 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//
#ifndef CEF_INCLUDE_VIEWS_CEF_WINDOW_H_
#define CEF_INCLUDE_VIEWS_CEF_WINDOW_H_
#pragma once
#include "include/cef_image.h"
#include "include/cef_menu_model.h"
#include "include/views/cef_display.h"
#include "include/views/cef_overlay_controller.h"
#include "include/views/cef_panel.h"
#include "include/views/cef_window_delegate.h"
///
// A Window is a top-level Window/widget in the Views hierarchy. By default it
// will have a non-client area with title bar, icon and buttons that supports
// moving and resizing. All size and position values are in density independent
// pixels (DIP) unless otherwise indicated. Methods must be called on the
// browser process UI thread unless otherwise indicated.
///
/*--cef(source=library)--*/
class CefWindow : public CefPanel {
public:
///
// Create a new Window.
///
/*--cef(optional_param=delegate)--*/
static CefRefPtr<CefWindow> CreateTopLevelWindow(
CefRefPtr<CefWindowDelegate> delegate);
///
// Show the Window.
///
/*--cef()--*/
virtual void Show() = 0;
///
// Hide the Window.
///
/*--cef()--*/
virtual void Hide() = 0;
///
// Sizes the Window to |size| and centers it in the current display.
///
/*--cef()--*/
virtual void CenterWindow(const CefSize& size) = 0;
///
// Close the Window.
///
/*--cef()--*/
virtual void Close() = 0;
///
// Returns true if the Window has been closed.
///
/*--cef()--*/
virtual bool IsClosed() = 0;
///
// Activate the Window, assuming it already exists and is visible.
///
/*--cef()--*/
virtual void Activate() = 0;
///
// Deactivate the Window, making the next Window in the Z order the active
// Window.
///
/*--cef()--*/
virtual void Deactivate() = 0;
///
// Returns whether the Window is the currently active Window.
///
/*--cef()--*/
virtual bool IsActive() = 0;
///
// Bring this Window to the top of other Windows in the Windowing system.
///
/*--cef()--*/
virtual void BringToTop() = 0;
///
// Set the Window to be on top of other Windows in the Windowing system.
///
/*--cef()--*/
virtual void SetAlwaysOnTop(bool on_top) = 0;
///
// Returns whether the Window has been set to be on top of other Windows in
// the Windowing system.
///
/*--cef()--*/
virtual bool IsAlwaysOnTop() = 0;
///
// Maximize the Window.
///
/*--cef()--*/
virtual void Maximize() = 0;
///
// Minimize the Window.
///
/*--cef()--*/
virtual void Minimize() = 0;
///
// Restore the Window.
///
/*--cef()--*/
virtual void Restore() = 0;
///
// Set fullscreen Window state.
///
/*--cef()--*/
virtual void SetFullscreen(bool fullscreen) = 0;
///
// Returns true if the Window is maximized.
///
/*--cef()--*/
virtual bool IsMaximized() = 0;
///
// Returns true if the Window is minimized.
///
/*--cef()--*/
virtual bool IsMinimized() = 0;
///
// Returns true if the Window is fullscreen.
///
/*--cef()--*/
virtual bool IsFullscreen() = 0;
///
// Set the Window title.
///
/*--cef(optional_param=title)--*/
virtual void SetTitle(const CefString& title) = 0;
///
// Get the Window title.
///
/*--cef()--*/
virtual CefString GetTitle() = 0;
///
// Set the Window icon. This should be a 16x16 icon suitable for use in the
// Windows's title bar.
///
/*--cef()--*/
virtual void SetWindowIcon(CefRefPtr<CefImage> image) = 0;
///
// Get the Window icon.
///
/*--cef()--*/
virtual CefRefPtr<CefImage> GetWindowIcon() = 0;
///
// Set the Window App icon. This should be a larger icon for use in the host
// environment app switching UI. On Windows, this is the ICON_BIG used in
// Alt-Tab list and Windows taskbar. The Window icon will be used by default
// if no Window App icon is specified.
///
/*--cef()--*/
virtual void SetWindowAppIcon(CefRefPtr<CefImage> image) = 0;
///
// Get the Window App icon.
///
/*--cef()--*/
virtual CefRefPtr<CefImage> GetWindowAppIcon() = 0;
///
// Add a View that will be overlayed on the Window contents with absolute
// positioning and high z-order. Positioning is controlled by |docking_mode|
// as described below. The returned CefOverlayController object is used to
// control the overlay. Overlays are hidden by default.
//
// With CEF_DOCKING_MODE_CUSTOM:
// 1. The overlay is initially hidden, sized to |view|'s preferred size, and
// positioned in the top-left corner.
// 2. Optionally change the overlay position and/or size by calling
// CefOverlayController methods.
// 3. Call CefOverlayController::SetVisible(true) to show the overlay.
// 4. The overlay will be automatically re-sized if |view|'s layout changes.
// Optionally change the overlay position and/or size when
// OnLayoutChanged is called on the Window's delegate to indicate a
// change in Window bounds.
//
// With other docking modes:
// 1. The overlay is initially hidden, sized to |view|'s preferred size, and
// positioned based on |docking_mode|.
// 2. Call CefOverlayController::SetVisible(true) to show the overlay.
// 3. The overlay will be automatically re-sized if |view|'s layout changes
// and re-positioned as appropriate when the Window resizes.
//
// Overlays created by this method will receive a higher z-order then any
// child Views added previously. It is therefore recommended to call this
// method last after all other child Views have been added so that the overlay
// displays as the top-most child of the Window.
///
/*--cef()--*/
virtual CefRefPtr<CefOverlayController> AddOverlayView(
CefRefPtr<CefView> view,
cef_docking_mode_t docking_mode) = 0;
///
// Show a menu with contents |menu_model|. |screen_point| specifies the menu
// position in screen coordinates. |anchor_position| specifies how the menu
// will be anchored relative to |screen_point|.
///
/*--cef()--*/
virtual void ShowMenu(CefRefPtr<CefMenuModel> menu_model,
const CefPoint& screen_point,
cef_menu_anchor_position_t anchor_position) = 0;
///
// Cancel the menu that is currently showing, if any.
///
/*--cef()--*/
virtual void CancelMenu() = 0;
///
// Returns the Display that most closely intersects the bounds of this Window.
// May return NULL if this Window is not currently displayed.
///
/*--cef()--*/
virtual CefRefPtr<CefDisplay> GetDisplay() = 0;
///
// Returns the bounds (size and position) of this Window's client area.
// Position is in screen coordinates.
///
/*--cef()--*/
virtual CefRect GetClientAreaBoundsInScreen() = 0;
///
// Set the regions where mouse events will be intercepted by this Window to
// support drag operations. Call this method with an empty vector to clear the
// draggable regions. The draggable region bounds should be in window
// coordinates.
///
/*--cef(optional_param=regions)--*/
virtual void SetDraggableRegions(
const std::vector<CefDraggableRegion>& regions) = 0;
///
// Retrieve the platform window handle for this Window.
///
/*--cef()--*/
virtual CefWindowHandle GetWindowHandle() = 0;
///
// Simulate a key press. |key_code| is the VKEY_* value from Chromium's
// ui/events/keycodes/keyboard_codes.h header (VK_* values on Windows).
// |event_flags| is some combination of EVENTFLAG_SHIFT_DOWN,
// EVENTFLAG_CONTROL_DOWN and/or EVENTFLAG_ALT_DOWN. This method is exposed
// primarily for testing purposes.
///
/*--cef()--*/
virtual void SendKeyPress(int key_code, uint32 event_flags) = 0;
///
// Simulate a mouse move. The mouse cursor will be moved to the specified
// (screen_x, screen_y) position. This method is exposed primarily for testing
// purposes.
///
/*--cef()--*/
virtual void SendMouseMove(int screen_x, int screen_y) = 0;
///
// Simulate mouse down and/or mouse up events. |button| is the mouse button
// type. If |mouse_down| is true a mouse down event will be sent. If
// |mouse_up| is true a mouse up event will be sent. If both are true a mouse
// down event will be sent followed by a mouse up event (equivalent to
// clicking the mouse button). The events will be sent using the current
// cursor position so make sure to call SendMouseMove() first to position the
// mouse. This method is exposed primarily for testing purposes.
///
/*--cef()--*/
virtual void SendMouseEvents(cef_mouse_button_type_t button,
bool mouse_down,
bool mouse_up) = 0;
///
// Set the keyboard accelerator for the specified |command_id|. |key_code| can
// be any virtual key or character value. CefWindowDelegate::OnAccelerator
// will be called if the keyboard combination is triggered while this window
// has focus.
///
/*--cef()--*/
virtual void SetAccelerator(int command_id,
int key_code,
bool shift_pressed,
bool ctrl_pressed,
bool alt_pressed) = 0;
///
// Remove the keyboard accelerator for the specified |command_id|.
///
/*--cef()--*/
virtual void RemoveAccelerator(int command_id) = 0;
///
// Remove all keyboard accelerators.
///
/*--cef()--*/
virtual void RemoveAllAccelerators() = 0;
};
#endif // CEF_INCLUDE_VIEWS_CEF_WINDOW_H_