diff options
Diffstat (limited to 'sublime-imfix.c')
| -rw-r--r-- | sublime-imfix.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/sublime-imfix.c b/sublime-imfix.c deleted file mode 100644 index 9a90f1f3d755..000000000000 --- a/sublime-imfix.c +++ /dev/null @@ -1,263 +0,0 @@ -/* -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> -By whitequark@whitequark.org - -How to compile: -gcc -shared -o libsublime-imfix.so sublime_imfix.c `pkg-config --libs --cflags gtk+-2.0` -fPIC -How to use: -LD_PRELOAD=./libsublime-imfix.so sublime_text - -Changes: -2014 06-09 -1, Fix cursor position update for sublime text 3. -2, Combine the codes from whitequark(fix for xim immodule) and add cursor update support for XIM immodule. -*/ - -/*for RTLD_NEXT*/ -#define _GNU_SOURCE - -#include <gtk/gtk.h> -#include <gdk/gdkx.h> -#include <assert.h> -#include <dlfcn.h> -#include <stdio.h> -#include <string.h> -#include <gtk/gtk.h> -#include <X11/Xlib.h> -#include <X11/Xutil.h> - -#ifdef VERBOSE -#define DEBUG(fmt, ...) do { \ - FILE* err = fopen("/tmp/libsublime-immethod-fix.log", "a"); \ - if (err) { \ - fprintf(err, fmt, __VA_ARGS__); \ - fclose(err); \ - } \ - } while(0) -#else -#define DEBUG(fmt, ...) -#endif - - -typedef GdkSegment GdkRegionBox; - -struct _GdkRegion -{ - long size; - long numRects; - GdkRegionBox *rects; - GdkRegionBox extents; -}; - -GtkIMContext *local_context; - - -//this func is interposed to support cursor position update. -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 in sublime text 2 - //And is 1 in sublime text 3. - //Maybe sometimes we will make a mistake, but for most of the time, it should be the caret. - if((rectangle->width == 2 || rectangle->width == 1) && 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); - - //below is our interposed codes to save the context to local_context. - 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; - } - //only add this event_filter when using 'fcitx' immodule. - //for xim immodule, this function is as same as original from gtk2. - const gchar * immodule = g_getenv("GTK_IM_MODULE"); - if(immodule && !strcmp(immodule, "fcitx")) { - gdk_window_add_filter (window, event_filter, context); - } -} - - -/*below codes is from whitequark, fix for xim immodule*/ - -/* See gtkimcontextxim.c */ -GType gtk_type_im_context_xim = 0; - -#define GTK_TYPE_IM_CONTEXT_XIM (gtk_type_im_context_xim) -#define GTK_IM_CONTEXT_XIM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_IM_CONTEXT_XIM, GtkIMContextXIM)) -#define GTK_IM_CONTEXT_XIM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_IM_CONTEXT_XIM, GtkIMContextXIMClass)) -#define GTK_IS_IM_CONTEXT_XIM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_IM_CONTEXT_XIM)) -#define GTK_IS_IM_CONTEXT_XIM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_IM_CONTEXT_XIM)) -#define GTK_IM_CONTEXT_XIM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_IM_CONTEXT_XIM, GtkIMContextXIMClass)) - -typedef struct _GtkIMContextXIM GtkIMContextXIM; -typedef struct _GtkIMContextXIMClass GtkIMContextXIMClass; - -struct _GtkIMContextXIMClass -{ - GtkIMContextClass parent_class; -}; - -typedef struct _StatusWindow StatusWindow; -typedef struct _GtkXIMInfo GtkXIMInfo; - -struct _GtkIMContextXIM -{ - GtkIMContext object; - - GtkXIMInfo *im_info; - - gchar *locale; - gchar *mb_charset; - - GdkWindow *client_window; - GtkWidget *client_widget; - - /* The status window for this input context; we claim the -* * status window when we are focused and have created an XIC -* */ - StatusWindow *status_window; - - gint preedit_size; - gint preedit_length; - gunichar *preedit_chars; - XIMFeedback *feedbacks; - - gint preedit_cursor; - - XIMCallback preedit_start_callback; - XIMCallback preedit_done_callback; - XIMCallback preedit_draw_callback; - XIMCallback preedit_caret_callback; - - XIMCallback status_start_callback; - XIMCallback status_done_callback; - XIMCallback status_draw_callback; - - XIMCallback string_conversion_callback; - - XIC ic; - - guint filter_key_release : 1; - guint use_preedit : 1; - guint finalizing : 1; - guint in_toplevel : 1; - guint has_focus : 1; -}; - -static GClassInitFunc orig_gtk_im_context_xim_class_init; -static GType (*orig_g_type_module_register_type)(GTypeModule *, - GType, const gchar *, - const GTypeInfo *, GTypeFlags); -static gboolean (*orig_gtk_im_context_xim_filter_keypress)(GtkIMContext *context, - GdkEventKey *event); - -static gboolean -hook_gtk_im_context_xim_filter_keypress(GtkIMContext *context, GdkEventKey *event) { - GtkIMContextXIM *im_context_xim = GTK_IM_CONTEXT_XIM(context); - if (!im_context_xim->client_window) { - DEBUG("im_context_xim == %p\n", im_context_xim); - DEBUG("event->window == %p\n", event->window); - - gtk_im_context_set_client_window(context, event->window); - } - - return orig_gtk_im_context_xim_filter_keypress(context, event); -} - -static void -hook_gtk_im_context_xim_class_init (GtkIMContextXIMClass *class) { - orig_gtk_im_context_xim_class_init(class, NULL); /* wat? */ - - GtkIMContextClass *im_context_class = GTK_IM_CONTEXT_CLASS (class); - - assert(!orig_gtk_im_context_xim_filter_keypress); - orig_gtk_im_context_xim_filter_keypress = im_context_class->filter_keypress; - im_context_class->filter_keypress = hook_gtk_im_context_xim_filter_keypress; - DEBUG("orig_gtk_im_context_xim_filter_keypress: %p\n", - orig_gtk_im_context_xim_filter_keypress); -} - -GType -g_type_module_register_type (GTypeModule *module, - GType parent_type, - const gchar *type_name, - const GTypeInfo *type_info, - GTypeFlags flags) { - if (!orig_g_type_module_register_type) { - orig_g_type_module_register_type = dlsym(RTLD_NEXT, "g_type_module_register_type"); - assert(orig_g_type_module_register_type); - } - - if (type_name && !strcmp(type_name, "GtkIMContextXIM")) { - assert(!orig_gtk_im_context_xim_class_init); - orig_gtk_im_context_xim_class_init = type_info->class_init; - - assert(sizeof(GtkIMContextXIM) == type_info->instance_size); - - const GTypeInfo hook_im_context_xim_info = - { - type_info->class_size, - type_info->base_init, - type_info->base_finalize, - (GClassInitFunc) hook_gtk_im_context_xim_class_init, - type_info->class_finalize, - type_info->class_data, - type_info->instance_size, - type_info->n_preallocs, - type_info->instance_init, - }; - - DEBUG("orig_gtk_im_context_xim_class_init: %p\n", orig_gtk_im_context_xim_class_init); - - gtk_type_im_context_xim = - orig_g_type_module_register_type(module, parent_type, type_name, - &hook_im_context_xim_info, flags); - - return gtk_type_im_context_xim; - } - - return orig_g_type_module_register_type(module, parent_type, type_name, type_info, flags); -} |