3 /** glk_request_char_event:
4 * @win: A window to request char events from Request
6 * Request input of a Latin-1 character or special key. A window cannot have requests
7 * for both character and line input at the same time. Nor can it have requests
8 * for character input of both types (Latin-1 and Unicode). It is illegal to
9 * call glk_request_char_event() if the window already has a pending request
10 * for either character or line input.
13 glk_request_char_event(winid_t win)
15 g_return_if_fail(win);
16 g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
17 g_return_if_fail(win->window_type != wintype_TextBuffer || win->window_type != wintype_TextGrid);
19 win->input_request_type = INPUT_REQUEST_CHARACTER;
20 g_signal_handler_unblock( G_OBJECT(win->widget), win->keypress_handler );
23 /** glk_request_char_event_uni:
24 * @win: A window to request char events from Request
26 * Request input of a Unicode character or special key. A window cannot have requests
27 * for both character and line input at the same time. Nor can it have requests
28 * for character input of both types (Latin-1 and Unicode). It is illegal to
29 * call glk_request_char_event_uni() if the window already has a pending request
30 * for either character or line input.
33 glk_request_char_event_uni(winid_t win)
35 g_return_if_fail(win);
36 g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
37 g_return_if_fail(win->window_type != wintype_TextBuffer || win->window_type != wintype_TextGrid);
39 win->input_request_type = INPUT_REQUEST_CHARACTER_UNICODE;
40 g_signal_handler_unblock( G_OBJECT(win->widget), win->keypress_handler );
44 glk_request_line_event(winid_t win, char* buf, glui32 maxlen, glui32 initlen)
46 GtkTextBuffer *window_buffer;
48 g_return_if_fail(win);
49 g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
50 g_return_if_fail(win->window_type != wintype_TextBuffer || win->window_type != wintype_TextGrid);
52 window_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
54 win->input_request_type = INPUT_REQUEST_LINE;
55 win->line_input_buffer = buf;
56 win->line_input_buffer_max_len = maxlen;
58 /* Move the input_position mark to the end of the window_buffer */
59 GtkTextMark *input_position = gtk_text_buffer_get_mark(window_buffer, "input_position");
61 gtk_text_buffer_get_end_iter(window_buffer, &end_iter);
62 gtk_text_buffer_move_mark(window_buffer, input_position, &end_iter);
64 /* Set the entire contents of the window_buffer as uneditable
65 * (so input can only be entered at the end) */
66 GtkTextIter start_iter;
67 gtk_text_buffer_get_start_iter(window_buffer, &start_iter);
68 gtk_text_buffer_remove_tag_by_name(window_buffer, "uneditable", &start_iter, &end_iter);
69 gtk_text_buffer_apply_tag_by_name(window_buffer, "uneditable", &start_iter, &end_iter);
72 gtk_text_buffer_insert(window_buffer, &end_iter, buf, initlen);
75 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), input_position);
76 g_signal_handler_unblock( G_OBJECT(window_buffer), win->insert_text_handler );
77 gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), TRUE);
81 glk_request_line_event_uni(winid_t win, glui32 *buf, glui32 maxlen, glui32 initlen)
83 GtkTextBuffer *window_buffer;
85 g_return_if_fail(win);
86 g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE);
87 g_return_if_fail(win->window_type != wintype_TextBuffer || win->window_type != wintype_TextGrid);
89 window_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
91 win->input_request_type = INPUT_REQUEST_LINE_UNICODE;
92 win->line_input_buffer_unicode = buf;
93 win->line_input_buffer_max_len = maxlen;
95 /* Move the input_position mark to the end of the window_buffer */
96 GtkTextMark *input_position = gtk_text_buffer_get_mark(window_buffer, "input_position");
98 gtk_text_buffer_get_end_iter(window_buffer, &end_iter);
99 gtk_text_buffer_move_mark(window_buffer, input_position, &end_iter);
101 /* Set the entire contents of the window_buffer as uneditable
102 * (so input can only be entered at the end) */
103 GtkTextIter start_iter;
104 gtk_text_buffer_get_start_iter(window_buffer, &start_iter);
105 gtk_text_buffer_remove_tag_by_name(window_buffer, "uneditable", &start_iter, &end_iter);
106 gtk_text_buffer_apply_tag_by_name(window_buffer, "uneditable", &start_iter, &end_iter);
109 GError *error = NULL;
111 utf8 = g_ucs4_to_utf8(buf, initlen, NULL, NULL, &error);
115 error_dialog(NULL, error, "Error during unicode->utf8 conversion: ");
119 gtk_text_buffer_insert(window_buffer, &end_iter, utf8, -1);
123 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), input_position);
124 g_signal_handler_unblock( G_OBJECT(window_buffer), win->insert_text_handler );
125 gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), TRUE);
131 on_window_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t window)
133 if(window->input_request_type != INPUT_REQUEST_CHARACTER &&
134 window->input_request_type != INPUT_REQUEST_CHARACTER_UNICODE) {
140 switch(event->keyval) {
142 case GDK_KP_Up: keycode = keycode_Up; break;
144 case GDK_KP_Down: keycode = keycode_Down; break;
146 case GDK_KP_Left: keycode = keycode_Left; break;
148 case GDK_KP_Right: keycode = keycode_Right; break;
150 case GDK_KP_Enter: keycode = keycode_Return; break;
153 case GDK_KP_Delete: keycode = keycode_Delete; break;
154 case GDK_Escape: keycode = keycode_Escape; break;
155 case GDK_Tab: keycode = keycode_Tab; break;
157 case GDK_KP_Page_Up: keycode = keycode_PageUp; break;
159 case GDK_KP_Page_Down: keycode = keycode_PageDown; break;
161 case GDK_KP_Home: keycode = keycode_Home; break;
163 case GDK_KP_End: keycode = keycode_End; break;
164 case GDK_F1: keycode = keycode_Func1; break;
165 case GDK_F2: keycode = keycode_Func2; break;
166 case GDK_F3: keycode = keycode_Func3; break;
167 case GDK_F4: keycode = keycode_Func4; break;
168 case GDK_F5: keycode = keycode_Func5; break;
169 case GDK_F6: keycode = keycode_Func6; break;
170 case GDK_F7: keycode = keycode_Func7; break;
171 case GDK_F8: keycode = keycode_Func8; break;
172 case GDK_F9: keycode = keycode_Func9; break;
173 case GDK_F10: keycode = keycode_Func10; break;
174 case GDK_F11: keycode = keycode_Func11; break;
175 case GDK_F12: keycode = keycode_Func12; break;
177 keycode = gdk_keyval_to_unicode(event->keyval);
180 if(window->input_request_type == INPUT_REQUEST_CHARACTER) {
181 if(keycode >= 1 || keycode <= 255) {
182 event_throw(evtype_CharInput, window, keycode, 0);
184 event_throw(evtype_CharInput, window, keycode_Unknown, 0);
188 event_throw(evtype_CharInput, window, keycode_Unknown, 0);
190 event_throw(evtype_CharInput, window, keycode, 0);
194 /* Only one keypress will be handled */
195 window->input_request_type = INPUT_REQUEST_NONE;
196 g_signal_handler_block( G_OBJECT(window->widget), window->keypress_handler );
202 on_window_insert_text(GtkTextBuffer *textbuffer, GtkTextIter *location, gchar *text, gint len, gpointer user_data)
204 gchar *newline_pos = strchr(text, '\n');
205 if(newline_pos != NULL) {
206 printf("position: %d\n", newline_pos-text);
212 after_window_insert_text(GtkTextBuffer *textbuffer, GtkTextIter *location, gchar *text, gint len, winid_t window)
214 if( strchr(text, '\n') != NULL) {
215 /* Make the window uneditable again and remove signal handlers */
216 GtkTextBuffer *window_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(window->widget));
217 gtk_text_view_set_editable(GTK_TEXT_VIEW(window->widget), FALSE);
218 g_signal_handler_block(window_buffer, window->insert_text_handler);
220 /* Retrieve the text that was input */
221 GtkTextMark *input_position = gtk_text_buffer_get_mark(window_buffer, "input_position");
222 GtkTextIter start_iter;
223 GtkTextIter end_iter;
224 gtk_text_buffer_get_iter_at_mark(window_buffer, &start_iter, input_position);
225 gtk_text_buffer_get_end_iter(window_buffer, &end_iter);
226 gchar *inserted_text = gtk_text_buffer_get_text(window_buffer, &start_iter, &end_iter, FALSE);
229 /* Convert the string from UTF-8 to Latin-1 or Unicode */
230 if(window->input_request_type == INPUT_REQUEST_LINE) {
231 GError *error = NULL;
234 latin1 = g_convert_with_fallback(inserted_text, -1, "ISO-8859-1", "UTF-8", "?", NULL, &bytes_written, &error);
235 g_free(inserted_text);
239 error_dialog(NULL, error, "Error during utf8->latin1 conversion: ");
240 event_throw(evtype_LineInput, window, 0, 0);
244 /* Place input in the echo stream */
245 if(window->echo_stream != NULL)
246 glk_put_string_stream(window->echo_stream, latin1);
248 /* Copy the string (but not the NULL at the end) */
249 memcpy(window->line_input_buffer, latin1, MIN(window->line_input_buffer_max_len, bytes_written-1));
251 event_throw(evtype_LineInput, window, MIN(window->line_input_buffer_max_len, bytes_written-1), 0);
253 else if(window->input_request_type == INPUT_REQUEST_LINE_UNICODE) {
256 unicode = g_utf8_to_ucs4_fast(inserted_text, -1, &items_written);
257 g_free(inserted_text);
261 error_dialog(NULL, NULL, "Error during utf8->unicode conversion");
262 event_throw(evtype_LineInput, window, 0, 0);
266 /* Place input in the echo stream */
268 // if(window->echo_stream != NULL)
269 // glk_put_string_stream_uni(window->echo_stream, unicode);
271 /* Copy the string (but not the NULL at the end) */
272 memcpy(window->line_input_buffer_unicode, unicode, MIN(window->line_input_buffer_max_len, items_written)*sizeof(gunichar));
274 event_throw(evtype_LineInput, window, MIN(window->line_input_buffer_max_len, items_written), 0);
277 g_warning("%s: Wrong input request type.", __func__);
280 window->input_request_type = INPUT_REQUEST_NONE;