小知识：Linux 下 Sublime Text 中文输入问题的解决方案

代码如下:

/*

sublime-imfix.c

Use LD_PRELOAD to interpose some function to fix sublime input method support for linux.

By Cjacker Huang

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

#include

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); 

}

代码如下:

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

代码如下:

LD_PRELOAD=./libsublime-imfix.so sublime_text

代码如下:

#!/bin/bash

SUBLIME_HOME=”/opt/sublime_text”

LD_LIB=$SUBLIME_HOME/libsublime-imfix.so

sh -c “LD_PRELOAD=$LD_LIB $SUBLIME_HOME/sublime_text $@”