cef/include/capi/views/cef_view_delegate_capi.h

172 lines
7.0 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
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//
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// ---------------------------------------------------------------------------
//
// 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.
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// $hash=0f562c026f64ca19a32834dcc1e1cd3a98be2f1f$
//
#ifndef CEF_INCLUDE_CAPI_VIEWS_CEF_VIEW_DELEGATE_CAPI_H_
#define CEF_INCLUDE_CAPI_VIEWS_CEF_VIEW_DELEGATE_CAPI_H_
#pragma once
#include "include/capi/cef_base_capi.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _cef_view_t;
///
/// Implement this structure to handle view events. All size and position values
/// are in density independent pixels (DIP) unless otherwise indicated. The
/// functions of this structure will be called on the browser process UI thread
/// unless otherwise indicated.
///
typedef struct _cef_view_delegate_t {
///
/// Base structure.
///
cef_base_ref_counted_t base;
///
/// Return the preferred size for |view|. The Layout will use this information
/// to determine the display size.
///
cef_size_t(CEF_CALLBACK* get_preferred_size)(
struct _cef_view_delegate_t* self,
struct _cef_view_t* view);
///
/// Return the minimum size for |view|.
///
cef_size_t(CEF_CALLBACK* get_minimum_size)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view);
///
/// Return the maximum size for |view|.
///
cef_size_t(CEF_CALLBACK* get_maximum_size)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view);
///
/// Return the height necessary to display |view| with the provided |width|.
/// If not specified the result of get_preferred_size().height will be used by
/// default. Override if |view|'s preferred height depends upon the width (for
/// example, with Labels).
///
int(CEF_CALLBACK* get_height_for_width)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view,
int width);
///
/// Called when the parent of |view| has changed. If |view| is being added to
/// |parent| then |added| will be true (1). If |view| is being removed from
/// |parent| then |added| will be false (0). If |view| is being reparented the
/// remove notification will be sent before the add notification. Do not
/// modify the view hierarchy in this callback.
///
void(CEF_CALLBACK* on_parent_view_changed)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view,
int added,
struct _cef_view_t* parent);
///
/// Called when a child of |view| has changed. If |child| is being added to
/// |view| then |added| will be true (1). If |child| is being removed from
/// |view| then |added| will be false (0). If |child| is being reparented the
/// remove notification will be sent to the old parent before the add
/// notification is sent to the new parent. Do not modify the view hierarchy
/// in this callback.
///
void(CEF_CALLBACK* on_child_view_changed)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view,
int added,
struct _cef_view_t* child);
///
/// Called when |view| is added or removed from the cef_window_t.
///
void(CEF_CALLBACK* on_window_changed)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view,
int added);
///
/// Called when the layout of |view| has changed.
///
void(CEF_CALLBACK* on_layout_changed)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view,
const cef_rect_t* new_bounds);
///
/// Called when |view| gains focus.
///
void(CEF_CALLBACK* on_focus)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view);
///
/// Called when |view| loses focus.
///
void(CEF_CALLBACK* on_blur)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view);
///
/// Called when the theme for |view| has changed, after the new theme colors
/// have already been applied. Views are notified via the component hierarchy
/// in depth-first reverse order (children before parents).
///
/// This will be called in the following cases:
///
/// 1. When |view|, or a parent of |view|, is added to a Window. 2. When the
/// native/OS or Chrome theme changes for the Window that contains
/// |view|. See CefWindowDelegate::OnThemeColorsChanged documentation.
/// 3. When the client explicitly calls cef_window_t::ThemeChanged on the
/// Window
/// that contains |view|.
///
/// Optionally use this callback to override the new per-View theme colors by
/// calling cef_view_t::SetBackgroundColor or the appropriate component-
/// specific function. See cef_window_t::SetThemeColor documentation for how
/// to customize additional Window theme colors.
///
void(CEF_CALLBACK* on_theme_changed)(struct _cef_view_delegate_t* self,
struct _cef_view_t* view);
} cef_view_delegate_t;
#ifdef __cplusplus
}
#endif
#endif // CEF_INCLUDE_CAPI_VIEWS_CEF_VIEW_DELEGATE_CAPI_H_