2017-09-14 6107 views
0

我对CEF相当陌生,我试图在Ubuntu 12.04 x64上创建新的无边界浏览器(仅用于网页浏览)。 目前我已经试过这种方式(GTK顶层窗口 - >禁用装饰 - >与家长设置为先前装箱窗口设置窗口信息 - >创建浏览器):CEF 3无边界窗口

GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL); 
gtk_window_set_decorated (GTK_WINDOW(window), FALSE); 
CefWindowHandle window_handle = GDK_WINDOW_XWINDOW (GTK_WIDGET (window)->window); 

CefWindowInfo window_info; 
window_info.SetAsChild(window_handle, CefRect(100, 100, 800, 600)); 

CefBrowserHost::CreateBrowser(window_info, handler, url, browser_settings, NULL); 

但这只能在指定的位置打开浏览器正确的宽度/高度,但它仍然有边框。

在另一方面,我已经成功地创建无边框的浏览器窗口中的窗口只有:

CefWindowInfo window_info; 
window_info.style = WS_VISIBLE | WS_POPUP; 
window_info.x = 2120; 
window_info.y = 200; 
window_info.width = 800; 
window_info.height = 600; 

CefBrowserHost::CreateBrowserSync(window_info, handler, url, browser_settings, NULL); 

注:

  • 我不能重建整个CEF,
  • 我不能升级Ubuntu Linux系统。

回答

0

我解决了X11窗口管理器的问题。

首先我创建了一个功能,用于消除窗口边框:

#include <X11/Xlib.h> 

static void RemoveBorders(Window window) { 
    struct Data { 
    unsigned long flags; 
    unsigned long functions; 
    unsigned long decorations; 
    long   inputMode; 
    unsigned long status; 
    } data = {2, 0, 0, 0, 0}; 
    auto display = cef_get_xdisplay(); 
    auto atom = XInternAtom(display, "_MOTIF_WM_HINTS", True); 
    XChangeProperty(display, window, atom, atom, 32, PropModeReplace, (unsigned char*)&data, 5); 
} 

后,当我创建一个浏览器,我创建同步检索创建浏览器手柄和呼吁的浏览器窗口句柄RemoveBorders功能:

... 
auto browser = CefBrowserHost::CreateBrowserSync(window_info, handler, url, browser_settings, NULL); 
RemoveBorders(browser->GetHost()->GetWindowHandle()); 
...