卸载ibus,安装fcitx以及fcitx下的输入法

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$ sudo apt-get remove ibus
$ sudo add-apt-repository ppa:fcitx-team/nightly
$ sudo apt-get update
$ sudo apt-get install fcitx fcitx-bin fcitx-config-common fcitx-config-gtk fcitx-data fcitx-frontend-gtk2 fcitx-frontend-gtk3 fcitx-frontend-qt4 fcitx-googlepinyin fcitx-libs fcitx-module-dbus fcitx-module-x11 fcitx-modules fcitx-pinyin fcitx-table fcitx-table-wubi fcitx-ui-classic

将以下代码保存为sublime_imfix.c

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/*
sublime-imfix.c
Use LD_PRELOAD to interpose some function to fix sublime input method support for linux.
By Cjacker Huang <jianzhong.huang at i-soft.com.cn>

gcc -shared -o libsublime-imfix.so sublime_imfix.c  `pkg-config --libs --cflags gtk+-2.0` -fPIC
LD_PRELOAD=./libsublime-imfix.so sublime_text
*/
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
typedef GdkSegment GdkRegionBox;

struct _GdkRegion
{
  long size;
  long numRects;
  GdkRegionBox *rects;
  GdkRegionBox extents;
};

GtkIMContext *local_context;

void
gdk_region_get_clipbox (const GdkRegion *region,
            GdkRectangle    *rectangle)
{
  g_return_if_fail (region != NULL);
  g_return_if_fail (rectangle != NULL);

  rectangle->x = region->extents.x1;
  rectangle->y = region->extents.y1;
  rectangle->width = region->extents.x2 - region->extents.x1;
  rectangle->height = region->extents.y2 - region->extents.y1;
  GdkRectangle rect;
  rect.x = rectangle->x;
  rect.y = rectangle->y;
  rect.width = 0;
  rect.height = rectangle->height;
  //The caret width is 2; 
  //Maybe sometimes we will make a mistake, but for most of the time, it should be the caret.
  if(rectangle->width == 2 && GTK_IS_IM_CONTEXT(local_context)) {
        gtk_im_context_set_cursor_location(local_context, rectangle);
  }
}

//this is needed, for example, if you input something in file dialog and return back the edit area
//context will lost, so here we set it again.

static GdkFilterReturn event_filter (GdkXEvent *xevent, GdkEvent *event, gpointer im_context)
{
    XEvent *xev = (XEvent *)xevent;
    if(xev->type == KeyRelease && GTK_IS_IM_CONTEXT(im_context)) {
       GdkWindow * win = g_object_get_data(G_OBJECT(im_context),"window");
       if(GDK_IS_WINDOW(win))
         gtk_im_context_set_client_window(im_context, win);
    }
    return GDK_FILTER_CONTINUE;
}

void gtk_im_context_set_client_window (GtkIMContext *context,
          GdkWindow    *window)
{
  GtkIMContextClass *klass;
  g_return_if_fail (GTK_IS_IM_CONTEXT (context));
  klass = GTK_IM_CONTEXT_GET_CLASS (context);
  if (klass->set_client_window)
    klass->set_client_window (context, window);

  if(!GDK_IS_WINDOW (window))
    return;
  g_object_set_data(G_OBJECT(context),"window",window);
  int width = gdk_window_get_width(window);
  int height = gdk_window_get_height(window);
  if(width != 0 && height !=0) {
    gtk_im_context_focus_in(context);
    local_context = context;
  }
  gdk_window_add_filter (window, event_filter, context);
}

安装需要的库

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$ sudo apt-get install build-essential libgtk2.0-dev

编译成共享库

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$ gcc -shared -o libsublime-imfix.so sublime_imfix.c `pkg-config --libs --cflags gtk+-2.0` -fPIC

运行$ LD_PRELOAD=./libsublime-imfix.so sublime_text即可启动(libsublime-imfix.so为编译生成的文件,sublime_text为执行文件的绝对路径)

为方便使用,将libsublime-imfix.so放到/usr/lib/

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$ sudo cp ./libsublime-imfix.so /usr/lib/

创建SublimeText2.desktop,放到/usr/share/applications/

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[Desktop Entry]
Type=Application
Name=SublimeText2
Comment=SublimeText2
Icon=/home/hanbing/Sublime Text 2/Icon/256x256/sublime_text.png
Exec=bash -c "LD_PRELOAD=/usr/lib/libsublime-imfix.so /home/hanbing/Sublime\ Text\ 2/sublime_text"
Terminal=false

报错信息
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checking for Magick-config... no
Can't install RMagick 2.12.2. Can't find Magick-config in /home/hanbing/.rvm/gems/ruby-1.9.3-p125/bin:/home/hanbing/.rvm/gems/ruby-1.9.3-p125@global/bin:/home/hanbing/.rvm/rubies/ruby-1.9.3-p125/bin:/home/hanbing/.rvm/bin::/opt/android-sdk-linux/tools:/opt/android-sdk-linux/platform-tools:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/hanbing/.rvm/bin

ImageMagick正确安装后还需要安装相应的dev包:

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$ sudo apt-get install libmagickwand-dev

症状:提示“illegal character”错误,上传失败

原因:Chrome, Firefox, Safari等浏览器本身支持XHR形式的文件上传,但IE不支持,于是Jquery-Fileupload自动在页面添加隐藏的iframe,于是在上传文件时造成 CSRF token 无法传递。

解决:

在View层添加:

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  <script>
        $('#fileupload').fileupload();
  </script>
  <!--[if IE]>
    <script>
      $('#fileupload').bind('fileuploadsend', function(event, data) {
        auth_token = $('meta[name="csrf-token"]').attr('content');
        data.url = data.url + '?authenticity_token=' + encodeURIComponent(auth_token);
        $.blueimpUI.fileupload.prototype.options.send.call(this, event, data);
      });
    </script>
  <![endif]-->

同时在controller里添加:

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  format.html {
    render :json => [@episode.to_jq_upload].to_json,
    :content_type => 'text/plain',
    :layout => false
  }