cef/include/capi/views/cef_window_delegate_capi.h

299 lines
12 KiB
C

// Copyright (c) 2024 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
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// 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.
//
// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=bafa7ddf3dfbc3fa82b1fb8a064b51f0791b29b6$
//
#ifndef CEF_INCLUDE_CAPI_VIEWS_CEF_WINDOW_DELEGATE_CAPI_H_
#define CEF_INCLUDE_CAPI_VIEWS_CEF_WINDOW_DELEGATE_CAPI_H_
#pragma once
#include "include/capi/views/cef_panel_delegate_capi.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _cef_window_t;
///
/// Implement this structure to handle window events. The functions of this
/// structure will be called on the browser process UI thread unless otherwise
/// indicated.
///
typedef struct _cef_window_delegate_t {
///
/// Base structure.
///
cef_panel_delegate_t base;
///
/// Called when |window| is created.
///
void(CEF_CALLBACK* on_window_created)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Called when |window| is closing.
///
void(CEF_CALLBACK* on_window_closing)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Called when |window| is destroyed. Release all references to |window| and
/// do not attempt to execute any functions on |window| after this callback
/// returns.
///
void(CEF_CALLBACK* on_window_destroyed)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Called when |window| is activated or deactivated.
///
void(CEF_CALLBACK* on_window_activation_changed)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
int active);
///
/// Called when |window| bounds have changed. |new_bounds| will be in DIP
/// screen coordinates.
///
void(CEF_CALLBACK* on_window_bounds_changed)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
const cef_rect_t* new_bounds);
///
/// Called when |window| is transitioning to or from fullscreen mode. On MacOS
/// the transition occurs asynchronously with |is_competed| set to false (0)
/// when the transition starts and true (1) after the transition completes. On
/// other platforms the transition occurs synchronously with |is_completed|
/// set to true (1) after the transition completes. With Alloy style you must
/// also implement cef_display_handler_t::OnFullscreenModeChange to handle
/// fullscreen transitions initiated by browser content.
///
void(CEF_CALLBACK* on_window_fullscreen_transition)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
int is_completed);
///
/// Return the parent for |window| or NULL if the |window| does not have a
/// parent. Windows with parents will not get a taskbar button. Set |is_menu|
/// to true (1) if |window| will be displayed as a menu, in which case it will
/// not be clipped to the parent window bounds. Set |can_activate_menu| to
/// false (0) if |is_menu| is true (1) and |window| should not be activated
/// (given keyboard focus) when displayed.
///
struct _cef_window_t*(CEF_CALLBACK* get_parent_window)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
int* is_menu,
int* can_activate_menu);
///
/// Return true (1) if |window| should be created as a window modal dialog.
/// Only called when a Window is returned via get_parent_window() with
/// |is_menu| set to false (0). All controls in the parent Window will be
/// disabled while |window| is visible. This functionality is not supported by
/// all Linux window managers. Alternately, use
/// cef_window_t::show_as_browser_modal_dialog() for a browser modal dialog
/// that works on all platforms.
///
int(CEF_CALLBACK* is_window_modal_dialog)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return the initial bounds for |window| in density independent pixel (DIP)
/// coordinates. If this function returns an NULL CefRect then
/// get_preferred_size() will be called to retrieve the size, and the window
/// will be placed on the screen with origin (0,0). This function can be used
/// in combination with cef_view_t::get_bounds_in_screen() to restore the
/// previous window bounds.
///
cef_rect_t(CEF_CALLBACK* get_initial_bounds)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return the initial show state for |window|.
///
cef_show_state_t(CEF_CALLBACK* get_initial_show_state)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return true (1) if |window| should be created without a frame or title
/// bar. The window will be resizable if can_resize() returns true (1). Use
/// cef_window_t::set_draggable_regions() to specify draggable regions.
///
int(CEF_CALLBACK* is_frameless)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return true (1) if |window| should be created with standard window buttons
/// like close, minimize and zoom. This function is only supported on macOS.
///
int(CEF_CALLBACK* with_standard_window_buttons)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return whether the titlebar height should be overridden, and sets the
/// height of the titlebar in |titlebar_height|. On macOS, it can also be used
/// to adjust the vertical position of the traffic light buttons in frameless
/// windows. The buttons will be positioned halfway down the titlebar at a
/// height of |titlebar_height| / 2.
///
int(CEF_CALLBACK* get_titlebar_height)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
float* titlebar_height);
///
/// Return whether the view should accept the initial mouse-down event,
/// allowing it to respond to click-through behavior. If STATE_ENABLED is
/// returned, the view will be sent a mouseDown: message for an initial mouse-
/// down event, activating the view with one click, instead of clicking first
/// to make the window active and then clicking the view.
///
/// This function is only supported on macOS. For more details, refer to the
/// documentation of acceptsFirstMouse.
///
cef_state_t(CEF_CALLBACK* accepts_first_mouse)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return true (1) if |window| can be resized.
///
int(CEF_CALLBACK* can_resize)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return true (1) if |window| can be maximized.
///
int(CEF_CALLBACK* can_maximize)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return true (1) if |window| can be minimized.
///
int(CEF_CALLBACK* can_minimize)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Return true (1) if |window| can be closed. This will be called for user-
/// initiated window close actions and when cef_window_t::close() is called.
///
int(CEF_CALLBACK* can_close)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window);
///
/// Called when a keyboard accelerator registered with
/// cef_window_t::SetAccelerator is triggered. Return true (1) if the
/// accelerator was handled or false (0) otherwise.
///
int(CEF_CALLBACK* on_accelerator)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
int command_id);
///
/// Called after all other controls in the window have had a chance to handle
/// the event. |event| contains information about the keyboard event. Return
/// true (1) if the keyboard event was handled or false (0) otherwise.
///
int(CEF_CALLBACK* on_key_event)(struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
const cef_key_event_t* event);
///
/// Called after the native/OS or Chrome theme for |window| has changed.
/// |chrome_theme| will be true (1) if the notification is for a Chrome theme.
///
/// Native/OS theme colors are configured globally and do not need to be
/// customized for each Window individually. An example of a native/OS theme
/// change that triggers this callback is when the user switches between dark
/// and light mode during application lifespan. Native/OS theme changes can be
/// disabled by passing the `--force-dark-mode` or `--force-light-mode`
/// command-line flag.
///
/// Chrome theme colors will be applied and this callback will be triggered
/// if/when a BrowserView is added to the Window's component hierarchy. Chrome
/// theme colors can be configured on a per-RequestContext basis using
/// cef_request_context_t::SetChromeColorScheme or (Chrome style only) by
/// visiting chrome://settings/manageProfile. Any theme changes using those
/// mechanisms will also trigger this callback. Chrome theme colors will be
/// persisted and restored from disk cache.
///
/// This callback is not triggered on Window creation so clients that wish to
/// customize the initial native/OS theme must call
/// cef_window_t::SetThemeColor and cef_window_t::ThemeChanged before showing
/// the first Window.
///
/// Theme colors will be reset to standard values before this callback is
/// called for the first affected Window. Call cef_window_t::SetThemeColor
/// from inside this callback to override a standard color or add a custom
/// color. cef_view_delegate_t::OnThemeChanged will be called after this
/// callback for the complete |window| component hierarchy.
///
void(CEF_CALLBACK* on_theme_colors_changed)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
int chrome_theme);
///
/// Optionally change the runtime style for this Window. See
/// cef_runtime_style_t documentation for details.
///
cef_runtime_style_t(CEF_CALLBACK* get_window_runtime_style)(
struct _cef_window_delegate_t* self);
///
/// Return Linux-specific window properties for correctly handling by window
/// managers
///
int(CEF_CALLBACK* get_linux_window_properties)(
struct _cef_window_delegate_t* self,
struct _cef_window_t* window,
struct _cef_linux_window_properties_t* properties);
} cef_window_delegate_t;
#ifdef __cplusplus
}
#endif
#endif // CEF_INCLUDE_CAPI_VIEWS_CEF_WINDOW_DELEGATE_CAPI_H_