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Diffstat (limited to 'include/internal/cef_win.h')
| -rw-r--r-- | include/internal/cef_win.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/include/internal/cef_win.h b/include/internal/cef_win.h new file mode 100644 index 00000000..cccc6d52 --- /dev/null +++ b/include/internal/cef_win.h @@ -0,0 +1,184 @@ +// Copyright (c) 2008 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. + +#ifndef CEF_INCLUDE_INTERNAL_CEF_WIN_H_ +#define CEF_INCLUDE_INTERNAL_CEF_WIN_H_ +#pragma once + +#include "include/internal/cef_app_win.h" +#include "include/internal/cef_types_win.h" +#include "include/internal/cef_types_wrappers.h" + +// Handle types. +#define CefCursorHandle cef_cursor_handle_t +#define CefEventHandle cef_event_handle_t +#define CefWindowHandle cef_window_handle_t + +/// +/// Class representing CefExecuteProcess arguments. +/// +class CefMainArgs : public cef_main_args_t { + public: + CefMainArgs() : cef_main_args_t{} {} + CefMainArgs(const cef_main_args_t& r) : cef_main_args_t(r) {} + explicit CefMainArgs(HINSTANCE hInstance) : cef_main_args_t{hInstance} {} +}; + +struct CefWindowInfoTraits { + typedef cef_window_info_t struct_type; + + static inline void init(struct_type* s) {} + + static inline void clear(struct_type* s) { + cef_string_clear(&s->window_name); + } + + static inline void set(const struct_type* src, + struct_type* target, + bool copy) { + target->ex_style = src->ex_style; + cef_string_set(src->window_name.str, src->window_name.length, + &target->window_name, copy); + target->style = src->style; + target->bounds = src->bounds; + target->parent_window = src->parent_window; + target->menu = src->menu; + target->windowless_rendering_enabled = src->windowless_rendering_enabled; + target->shared_texture_enabled = src->shared_texture_enabled; + target->external_begin_frame_enabled = src->external_begin_frame_enabled; + target->window = src->window; + } +}; + +/// +/// Class representing window information. +/// +class CefWindowInfo : public CefStructBase<CefWindowInfoTraits> { + public: + typedef CefStructBase<CefWindowInfoTraits> parent; + + CefWindowInfo() : parent() {} + explicit CefWindowInfo(const cef_window_info_t& r) : parent(r) {} + explicit CefWindowInfo(const CefWindowInfo& r) : parent(r) {} + + CefWindowInfo& operator=(const CefWindowInfo&) = default; + CefWindowInfo& operator=(CefWindowInfo&&) = default; + + /// + /// Create the browser as a child window. + /// + void SetAsChild(CefWindowHandle parent, const CefRect& windowBounds) { + style = + WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_TABSTOP | WS_VISIBLE; + parent_window = parent; + bounds = windowBounds; + } + + /// + /// Create the browser as a popup window. + /// + void SetAsPopup(CefWindowHandle parent, const CefString& windowName) { + style = + WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE; + parent_window = parent; + bounds.x = CW_USEDEFAULT; + bounds.y = CW_USEDEFAULT; + bounds.width = CW_USEDEFAULT; + bounds.height = CW_USEDEFAULT; + + cef_string_copy(windowName.c_str(), windowName.length(), &window_name); + } + + /// + /// Create the browser using windowless (off-screen) rendering. No window + /// will be created for the browser and all rendering will occur via the + /// CefRenderHandler interface. The |parent| value will be used to identify + /// monitor info and to act as the parent window for dialogs, context menus, + /// etc. If |parent| is not provided then the main screen monitor will be used + /// and some functionality that requires a parent window may not function + /// correctly. In order to create windowless browsers the + /// CefSettings.windowless_rendering_enabled value must be set to true. + /// Transparent painting is enabled by default but can be disabled by setting + /// CefBrowserSettings.background_color to an opaque value. + /// + void SetAsWindowless(CefWindowHandle parent) { + windowless_rendering_enabled = TRUE; + parent_window = parent; + } +}; + +#if defined(ARCH_CPU_32_BITS) +/// +/// Run the main thread on 32-bit Windows using a fiber with the preferred 4MiB +/// stack size. This function must be called at the top of the executable entry +/// point function (`main()` or `wWinMain()`). It is used in combination with +/// the initial stack size of 0.5MiB configured via the `/STACK:0x80000` linker +/// flag on executable targets. This saves significant memory on threads (like +/// those in the Windows thread pool, and others) whose stack size can only be +/// controlled via the linker flag. +/// +/// CEF's main thread needs at least a 1.5 MiB stack size in order to avoid +/// stack overflow crashes. However, if this is set in the PE file then other +/// threads get this size as well, leading to address-space exhaustion in 32-bit +/// CEF. This function uses fibers to switch the main thread to a 4 MiB stack +/// (roughly the same effective size as the 64-bit build's 8 MiB stack) before +/// running any other code. +/// +/// Choose the function variant that matches the entry point function type used +/// by the executable. Reusing the entry point minimizes confusion when +/// examining call stacks in crash reports. +/// +/// If this function is already running on the fiber it will return -1 +/// immediately, meaning that execution should proceed with the remainder of the +/// entry point function. Otherwise, this function will block until the entry +/// point function has completed execution on the fiber and then return a result +/// >= 0, meaning that the entry point function should return the result +/// immediately without proceeding with execution. +/// +int CefRunWinMainWithPreferredStackSize(wWinMainPtr wWinMain, + HINSTANCE hInstance, + LPWSTR lpCmdLine, + int nCmdShow); +int CefRunMainWithPreferredStackSize(mainPtr main, int argc, char* argv[]); +#endif // defined(ARCH_CPU_32_BITS) + +/// +/// Call during process startup to enable High-DPI support on Windows 7 or +/// newer. Older versions of Windows should be left DPI-unaware because they do +/// not support DirectWrite and GDI fonts are kerned very badly. +/// +void CefEnableHighDPISupport(); + +/// +/// Set to true before calling Windows APIs like TrackPopupMenu that enter a +/// modal message loop. Set to false after exiting the modal message loop. +/// +void CefSetOSModalLoop(bool osModalLoop); + +#endif // CEF_INCLUDE_INTERNAL_CEF_WIN_H_ |