1 /*
2 
3   Copyright (c) 2003-2013 uim Project https://github.com/uim/uim
4 
5   All rights reserved.
6 
7   Redistribution and use in source and binary forms, with or without
8   modification, are permitted provided that the following conditions
9   are met:
10 
11   1. Redistributions of source code must retain the above copyright
12      notice, this list of conditions and the following disclaimer.
13   2. Redistributions in binary form must reproduce the above copyright
14      notice, this list of conditions and the following disclaimer in the
15      documentation and/or other materials provided with the distribution.
16   3. Neither the name of authors nor the names of its contributors
17      may be used to endorse or promote products derived from this software
18      without specific prior written permission.
19 
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
21   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
24   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26   OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30   SUCH DAMAGE.
31 
32 */
33 
34 /*
35  * gtk+-immodule
36  */
37 #include <config.h>
38 
39 #include <gtk/gtk.h>
40 #include <gtk/gtkimmodule.h>
41 #ifdef GDK_WINDOWING_X11
42 #include <gdk/gdkx.h>
43 #endif
44 
45 #include "uim/uim.h"
46 
47 #include "uim-cand-win-gtk.h"
48 #ifdef GDK_WINDOWING_X11
49 #include "compose.h"
50 #endif
51 
52 /* select either of these two, or filter key event will be used */
53 #define IM_UIM_USE_SNOOPER      0
54 #define IM_UIM_USE_TOPLEVEL     1
55 
56 /* enable per page candidates handling */
57 #define IM_UIM_USE_NEW_PAGE_HANDLING	1
58 /* enable delay showing candidate window */
59 #define IM_UIM_USE_DELAY	1
60 
61 typedef struct _IMUIMContext {
62   struct _GtkIMContext parent;
63   struct _GtkIMContext *slave;
64   uim_context uc;
65   UIMCandWinGtk *cwin;
66   gboolean cwin_is_active;
67   int nr_psegs;
68   int prev_preedit_len;
69   struct preedit_segment *pseg;
70 
71   GdkWindow *win;
72 
73   GtkWidget *caret_state_indicator;
74   GdkRectangle preedit_pos;
75 
76   /* following two members are used when use_preedit == FALSE */
77   GtkWidget *preedit_window;
78   gulong preedit_handler_id;
79 
80   GtkWidget *widget;
81 #if IM_UIM_USE_TOPLEVEL
82   /*
83    * event_rec is used to check the incoming event is already handled
84    * in our toplevel handler.  Some widgets (e.g. OOo2.0's vcl plugin)
85    * have already connected key press/release event handlers to the
86    * toplevel window before our handler attempts to connect.
87    */
88   GdkEventKey event_rec;
89 #endif
90 #ifdef GDK_WINDOWING_X11
91   Compose *compose;
92 #endif
93 
94   struct _IMUIMContext *prev, *next;
95 } IMUIMContext;
96 
97 void im_uim_commit_string(void *ptr, const char *str);
98