cyf
78 lines
2.9 KiB
C#
78 lines
2.9 KiB
C#
namespace Cef3
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{
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using Cef3.Interop;
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/// <summary>
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/// Implement this interface to handle events related to keyboard input. The
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/// methods of this class will be called on the UI thread.
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/// </summary>
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public abstract unsafe partial class CefKeyboardHandler
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{
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private int on_pre_key_event(cef_keyboard_handler_t* self, cef_browser_t* browser, cef_key_event_t* @event, IntPtr os_event, int* is_keyboard_shortcut)
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{
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CheckSelf(self);
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var m_browser = CefBrowser.FromNative(browser);
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var m_event = CefKeyEvent.FromNative(@event);
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// TODO: wrap cef_event_handle_t (os_event)
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IntPtr m_os_event = IntPtr.Zero;
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if (os_event != IntPtr.Zero)
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{
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}
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var m_is_keyboard_shortcut = *is_keyboard_shortcut != 0;
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var result = OnPreKeyEvent(m_browser, m_event, m_os_event, out m_is_keyboard_shortcut);
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*is_keyboard_shortcut = m_is_keyboard_shortcut ? 1 : 0;
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return result ? 1 : 0;
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}
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/// <summary>
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/// Called before a keyboard event is sent to the renderer. |event| contains
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/// information about the keyboard event. |os_event| is the operating system
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/// event message, if any. Return true if the event was handled or false
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/// otherwise. If the event will be handled in OnKeyEvent() as a keyboard
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/// shortcut set |is_keyboard_shortcut| to true and return false.
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/// </summary>
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protected virtual bool OnPreKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr os_event, out bool isKeyboardShortcut)
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{
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isKeyboardShortcut = false;
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return false;
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}
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private int on_key_event(cef_keyboard_handler_t* self, cef_browser_t* browser, cef_key_event_t* @event, IntPtr os_event)
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{
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CheckSelf(self);
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var m_browser = CefBrowser.FromNative(browser);
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var m_event = CefKeyEvent.FromNative(@event);
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// TODO: wrap cef_event_handle_t (os_event)
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IntPtr m_os_event = IntPtr.Zero;
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if (os_event != IntPtr.Zero)
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{
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}
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var result = OnKeyEvent(m_browser, m_event, m_os_event);
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return result ? 1 : 0;
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}
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/// <summary>
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/// Called after the renderer and JavaScript in the page has had a chance to
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/// handle the event. |event| contains information about the keyboard event.
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/// |os_event| is the operating system event message, if any. Return true if
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/// the keyboard event was handled or false otherwise.
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/// </summary>
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protected virtual bool OnKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr osEvent)
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{
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return false;
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}
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}
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}
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