在Ubuntu 14.04中使Sublime Text 3支持中文输入法

Ubuntu 14.04中安装了Sublime Text 3之后发现既然不支持输入中文,于是在网上搜罗一下,发现很多人遇到了同样的问题,但是解决办法大该就只有一个。下面根据自身的安装及解决办法总结如下:

1. SublimeText 3的安装

安装方式有多种,本文所描述的是从官方网站上下载64位的.deb文件 ,具体为文件,下载后双击即会自动使用默认的安装软件安装。

2. 相关依赖软件的安装

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

3. 拷贝如下代码到文件sublime_imfix.c文件中,该文件需要自己创建,随便放到那里都行。

/*
 * 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);
}

按照文件头上注释所说的编译该文件,在终端里进入到存放该文件的目录中,输入如下命令:
    gcc -shared -o libsublime-imfix.so sublime_imfix.c  `pkg-config --libs --cflags gtk+-2.0` -fPIC

最后在当前目录下得到libsublime-imfix.so这个共享库。


4. 中文输入

到这里默认已经装好了中文输入法(搜狗输入法linux版)。得到第3步中的库libsublime-imfix.so之后,先试试看是否能正常使用中文输入法,在终端中输入如下命令:

LD_PRELOAD=./libsublime-imfix.so subl            #subl是安装好SublimeText 3后的程序启动命令

如果一切正常,在启动之后,搜狗输入法就能可以输入了。

5. 为了方便

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