X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=libchimara%2Finput.c;h=f48aa848fbc3ccda941dcac94e14d1e2474ae6be;hb=f5361c37bf7265628802787ea90164bab8108d3a;hp=8ab3f41fce4a03a8bdaad1137e93f334fd18a389;hpb=db8f0672e461459093412739cbe14a24084d000c;p=rodin%2Fchimara.git diff --git a/libchimara/input.c b/libchimara/input.c index 8ab3f41..f48aa84 100644 --- a/libchimara/input.c +++ b/libchimara/input.c @@ -1,10 +1,50 @@ #include "charset.h" #include "magic.h" #include "input.h" +#include "chimara-glk-private.h" + +extern GPrivate *glk_data_key; /* Forward declarations */ -static int flush_text_buffer(winid_t win); -static int flush_text_grid(winid_t win); +static int finish_text_buffer_line_input(winid_t win, gboolean emit_signal); +static int finish_text_grid_line_input(winid_t win, gboolean emit_signal); + +/* Internal function: code common to both flavors of char event request */ +void +request_char_event_common(winid_t win, gboolean unicode) +{ + VALID_WINDOW(win, return); + g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE); + g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid); + + flush_window_buffer(win); + + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + + win->input_request_type = unicode? INPUT_REQUEST_CHARACTER_UNICODE : INPUT_REQUEST_CHARACTER; + g_signal_handler_unblock( G_OBJECT(win->widget), win->keypress_handler ); + + gdk_threads_enter(); + + /* If the request is in a text buffer window, scroll to the end of the + text buffer. TODO: This may scroll text off the top of the window that the + user hasn't read yet. We need to implement a paging mechanism. */ + if(win->type == wintype_TextBuffer) + { + GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) ); + GtkTextIter iter; + gtk_text_buffer_get_end_iter(buffer, &iter); + gtk_text_buffer_place_cursor(buffer, &iter); + gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), gtk_text_buffer_get_insert(buffer)); + /* Why doesn't this always work?? */ + } + + gtk_widget_grab_focus( GTK_WIDGET(win->widget) ); + gdk_threads_leave(); + + /* Emit the "waiting" signal to let listeners know we are ready for input */ + g_signal_emit_by_name(glk_data->self, "waiting"); +} /** * glk_request_char_event: @@ -19,12 +59,7 @@ static int flush_text_grid(winid_t win); void glk_request_char_event(winid_t win) { - VALID_WINDOW(win, return); - g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE); - g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid); - - win->input_request_type = INPUT_REQUEST_CHARACTER; - g_signal_handler_unblock( G_OBJECT(win->widget), win->keypress_handler ); + request_char_event_common(win, FALSE); } /** @@ -37,12 +72,7 @@ glk_request_char_event(winid_t win) void glk_request_char_event_uni(winid_t win) { - VALID_WINDOW(win, return); - g_return_if_fail(win->input_request_type == INPUT_REQUEST_NONE); - g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid); - - win->input_request_type = INPUT_REQUEST_CHARACTER_UNICODE; - g_signal_handler_unblock( G_OBJECT(win->widget), win->keypress_handler ); + request_char_event_common(win, TRUE); } /** @@ -128,6 +158,8 @@ text_grid_request_line_event_common(winid_t win, glui32 maxlen, gboolean insert, gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(win->widget), win->input_entry, win->input_anchor); g_signal_handler_unblock( G_OBJECT(win->widget), win->keypress_handler ); + + gtk_widget_grab_focus(win->input_entry); gdk_threads_leave(); } @@ -136,6 +168,8 @@ text_grid_request_line_event_common(winid_t win, glui32 maxlen, gboolean insert, static void text_buffer_request_line_event_common(winid_t win, glui32 maxlen, gboolean insert, gchar *inserttext) { + flush_window_buffer(win); + gdk_threads_enter(); GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) ); @@ -162,6 +196,8 @@ text_buffer_request_line_event_common(winid_t win, glui32 maxlen, gboolean inser gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), TRUE); g_signal_handler_unblock(buffer, win->insert_text_handler); + + gtk_widget_grab_focus(win->widget); gdk_threads_leave(); } @@ -192,7 +228,7 @@ text_buffer_request_line_event_common(winid_t win, glui32 maxlen, gboolean inser * it is illegal to change the contents of the buffer yourself. */ void -glk_request_line_event(winid_t win, char* buf, glui32 maxlen, glui32 initlen) +glk_request_line_event(winid_t win, char *buf, glui32 maxlen, glui32 initlen) { VALID_WINDOW(win, return); g_return_if_fail(buf); @@ -200,6 +236,12 @@ glk_request_line_event(winid_t win, char* buf, glui32 maxlen, glui32 initlen) g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid); g_return_if_fail(initlen <= maxlen); + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + + /* Register the buffer */ + if(glk_data->register_arr) + win->buffer_rock = (*glk_data->register_arr)(buf, maxlen, "&+#!Cn"); + win->input_request_type = INPUT_REQUEST_LINE; win->line_input_buffer = buf; win->line_input_buffer_max_len = maxlen; @@ -215,6 +257,9 @@ glk_request_line_event(winid_t win, char* buf, glui32 maxlen, glui32 initlen) break; } g_free(inserttext); + + /* Emit the "waiting" signal to let listeners know we are ready for input */ + g_signal_emit_by_name(glk_data->self, "waiting"); } /** @@ -232,8 +277,8 @@ glk_request_line_event(winid_t win, char* buf, glui32 maxlen, glui32 initlen) * The result will be in Unicode Normalization Form C. This basically means that * composite characters will be single characters where possible, instead of * sequences of base and combining marks. See - * Unicode Standard Annex #15 - * for the details. + * Unicode Standard Annex + * #15 for the details. */ void glk_request_line_event_uni(winid_t win, glui32 *buf, glui32 maxlen, glui32 initlen) @@ -244,6 +289,12 @@ glk_request_line_event_uni(winid_t win, glui32 *buf, glui32 maxlen, glui32 initl g_return_if_fail(win->type != wintype_TextBuffer || win->type != wintype_TextGrid); g_return_if_fail(initlen <= maxlen); + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + + /* Register the buffer */ + if(glk_data->register_arr) + win->buffer_rock = (*glk_data->register_arr)(buf, maxlen, "&+#!Iu"); + win->input_request_type = INPUT_REQUEST_LINE_UNICODE; win->line_input_buffer_unicode = buf; win->line_input_buffer_max_len = maxlen; @@ -267,6 +318,9 @@ glk_request_line_event_uni(winid_t win, glui32 *buf, glui32 maxlen, glui32 initl break; } g_free(utf8); + + /* Emit the "waiting" signal to let listeners know we are ready for input */ + g_signal_emit_by_name(glk_data->self, "waiting"); } /** @@ -277,9 +331,9 @@ glk_request_line_event_uni(winid_t win, glui32 *buf, glui32 maxlen, glui32 initl * This cancels a pending request for line input. (Either Latin-1 or Unicode.) * * The event pointed to by the event argument will be filled in as if the - * player had hit enter, and the input composed so far will be stored in the - * buffer; see below. If you do not care about this information, pass %NULL as - * the @event argument. (The buffer will still be filled.) + * player had hit enter, and the input composed so far will be + * stored in the buffer; see below. If you do not care about this information, + * pass %NULL as the @event argument. (The buffer will still be filled.) * * For convenience, it is legal to call glk_cancel_line_event() even if there * is no line input request on that window. The event type will be set to @@ -307,13 +361,22 @@ glk_cancel_line_event(winid_t win, event_t *event) if(win->type == wintype_TextGrid) { g_signal_handler_block( G_OBJECT(win->widget), win->keypress_handler ); - chars_written = flush_text_grid(win); + chars_written = finish_text_grid_line_input(win, FALSE); } else if(win->type == wintype_TextBuffer) { GtkTextBuffer *window_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) ); g_signal_handler_block(window_buffer, win->insert_text_handler); - chars_written = flush_text_buffer(win); + chars_written = finish_text_buffer_line_input(win, FALSE); } + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + if(glk_data->unregister_arr) + { + if(win->input_request_type == INPUT_REQUEST_LINE_UNICODE) + (*glk_data->unregister_arr)(win->line_input_buffer_unicode, win->line_input_buffer_max_len, "&+#!Iu", win->buffer_rock); + else + (*glk_data->unregister_arr)(win->line_input_buffer, win->line_input_buffer_max_len, "&+#!Cn", win->buffer_rock); + } + if(event != NULL && chars_written > 0) { event->type = evtype_LineInput; event->val1 = chars_written; @@ -347,61 +410,13 @@ on_window_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win) win->input_request_type != INPUT_REQUEST_CHARACTER_UNICODE) return FALSE; - int keycode; + glui32 keycode = keyval_to_glk_keycode(event->keyval, win->input_request_type == INPUT_REQUEST_CHARACTER_UNICODE); - switch(event->keyval) { - case GDK_Up: - case GDK_KP_Up: keycode = keycode_Up; break; - case GDK_Down: - case GDK_KP_Down: keycode = keycode_Down; break; - case GDK_Left: - case GDK_KP_Left: keycode = keycode_Left; break; - case GDK_Right: - case GDK_KP_Right: keycode = keycode_Right; break; - case GDK_Linefeed: - case GDK_Return: - case GDK_KP_Enter: keycode = keycode_Return; break; - case GDK_Delete: - case GDK_BackSpace: - case GDK_KP_Delete: keycode = keycode_Delete; break; - case GDK_Escape: keycode = keycode_Escape; break; - case GDK_Tab: - case GDK_KP_Tab: keycode = keycode_Tab; break; - case GDK_Page_Up: - case GDK_KP_Page_Up: keycode = keycode_PageUp; break; - case GDK_Page_Down: - case GDK_KP_Page_Down: keycode = keycode_PageDown; break; - case GDK_Home: - case GDK_KP_Home: keycode = keycode_Home; break; - case GDK_End: - case GDK_KP_End: keycode = keycode_End; break; - case GDK_F1: - case GDK_KP_F1: keycode = keycode_Func1; break; - case GDK_F2: - case GDK_KP_F2: keycode = keycode_Func2; break; - case GDK_F3: - case GDK_KP_F3: keycode = keycode_Func3; break; - case GDK_F4: - case GDK_KP_F4: keycode = keycode_Func4; break; - case GDK_F5: keycode = keycode_Func5; break; - case GDK_F6: keycode = keycode_Func6; break; - case GDK_F7: keycode = keycode_Func7; break; - case GDK_F8: keycode = keycode_Func8; break; - case GDK_F9: keycode = keycode_Func9; break; - case GDK_F10: keycode = keycode_Func10; break; - case GDK_F11: keycode = keycode_Func11; break; - case GDK_F12: keycode = keycode_Func12; break; - default: - keycode = gdk_keyval_to_unicode(event->keyval); - /* If keycode is 0, then keyval was not recognized; also return - unknown if Latin-1 input was requested and the character is not in - Latin-1 */ - if(keycode == 0 || (win->input_request_type == INPUT_REQUEST_CHARACTER && keycode > 255)) - keycode = keycode_Unknown; - } + ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(widget, CHIMARA_TYPE_GLK)); + g_assert(glk); + event_throw(glk, evtype_CharInput, win, keycode, 0); + g_signal_emit_by_name(glk, "char-input", win->rock, event->keyval); - event_throw(CHIMARA_GLK(gtk_widget_get_ancestor(widget, CHIMARA_TYPE_GLK)), evtype_CharInput, win, keycode, 0); - /* Only one keypress will be handled */ win->input_request_type = INPUT_REQUEST_NONE; g_signal_handler_block( G_OBJECT(win->widget), win->keypress_handler ); @@ -460,7 +475,7 @@ write_to_window_buffer(winid_t win, const gchar *inserted_text) /* Internal function: Retrieves the input of a TextBuffer window and stores it in the window buffer. * Returns the number of characters written, suitable for inclusion in a line input event. */ static int -flush_text_buffer(winid_t win) +finish_text_buffer_line_input(winid_t win, gboolean emit_signal) { VALID_WINDOW(win, return 0); g_return_val_if_fail(win->type == wintype_TextBuffer, 0); @@ -482,6 +497,12 @@ flush_text_buffer(winid_t win) gchar* inserted_text = gtk_text_buffer_get_text(window_buffer, &start_iter, &end_iter, FALSE); int chars_written = write_to_window_buffer(win, inserted_text); + if(emit_signal) + { + ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)); + g_assert(glk); + g_signal_emit_by_name(glk, "line-input", win->rock, inserted_text); + } g_free(inserted_text); return chars_written; @@ -490,7 +511,7 @@ flush_text_buffer(winid_t win) /* Internal function: Retrieves the input of a TextGrid window and stores it in the window buffer. * Returns the number of characters written, suitable for inclusion in a line input event. */ static int -flush_text_grid(winid_t win) +finish_text_grid_line_input(winid_t win, gboolean emit_signal) { VALID_WINDOW(win, return 0); g_return_val_if_fail(win->type == wintype_TextGrid, 0); @@ -519,6 +540,12 @@ flush_text_grid(winid_t win) g_free(text_to_insert); int chars_written = write_to_window_buffer(win, text); + if(emit_signal) + { + ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)); + g_assert(glk); + g_signal_emit_by_name(glk, "line-input", win->rock, text); + } g_free(text); return chars_written; @@ -541,8 +568,9 @@ after_window_insert_text(GtkTextBuffer *textbuffer, GtkTextIter *location, gchar /* Make the window uneditable again and retrieve the text that was input */ gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), FALSE); - int chars_written = flush_text_buffer(win); - event_throw(CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)), evtype_LineInput, win, chars_written, 0); + int chars_written = finish_text_buffer_line_input(win, TRUE); + ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)); + event_throw(glk, evtype_LineInput, win, chars_written, 0); } } @@ -551,9 +579,134 @@ in a text grid window. */ void on_input_entry_activate(GtkEntry *input_entry, winid_t win) { - g_signal_handler_block( G_OBJECT(win->widget), win->keypress_handler ); + g_signal_handler_block(win->widget, win->keypress_handler); + + int chars_written = finish_text_grid_line_input(win, TRUE); + ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)); + event_throw(glk, evtype_LineInput, win, chars_written, 0); +} + +glui32 +keyval_to_glk_keycode(guint keyval, gboolean unicode) +{ + glui32 keycode; + switch(keyval) { + case GDK_Up: + case GDK_KP_Up: return keycode_Up; + case GDK_Down: + case GDK_KP_Down: return keycode_Down; + case GDK_Left: + case GDK_KP_Left: return keycode_Left; + case GDK_Right: + case GDK_KP_Right: return keycode_Right; + case GDK_Linefeed: + case GDK_Return: + case GDK_KP_Enter: return keycode_Return; + case GDK_Delete: + case GDK_BackSpace: + case GDK_KP_Delete: return keycode_Delete; + case GDK_Escape: return keycode_Escape; + case GDK_Tab: + case GDK_KP_Tab: return keycode_Tab; + case GDK_Page_Up: + case GDK_KP_Page_Up: return keycode_PageUp; + case GDK_Page_Down: + case GDK_KP_Page_Down: return keycode_PageDown; + case GDK_Home: + case GDK_KP_Home: return keycode_Home; + case GDK_End: + case GDK_KP_End: return keycode_End; + case GDK_F1: + case GDK_KP_F1: return keycode_Func1; + case GDK_F2: + case GDK_KP_F2: return keycode_Func2; + case GDK_F3: + case GDK_KP_F3: return keycode_Func3; + case GDK_F4: + case GDK_KP_F4: return keycode_Func4; + case GDK_F5: return keycode_Func5; + case GDK_F6: return keycode_Func6; + case GDK_F7: return keycode_Func7; + case GDK_F8: return keycode_Func8; + case GDK_F9: return keycode_Func9; + case GDK_F10: return keycode_Func10; + case GDK_F11: return keycode_Func11; + case GDK_F12: return keycode_Func12; + default: + keycode = gdk_keyval_to_unicode(keyval); + /* If keycode is 0, then keyval was not recognized; also return + unknown if Latin-1 input was requested and the character is not in + Latin-1 */ + if(keycode == 0 || (!unicode && keycode > 255)) + return keycode_Unknown; + return keycode; + } +} - int chars_written = flush_text_grid(win); - event_throw(CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)), evtype_LineInput, win, chars_written, 0); +void +force_char_input_from_queue(winid_t win, event_t *event) +{ + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + guint keyval = GPOINTER_TO_UINT(g_async_queue_pop(glk_data->char_input_queue)); + + glk_cancel_char_event(win); + + gdk_threads_enter(); + ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK)); + g_assert(glk); + g_signal_emit_by_name(glk, "char-input", win->rock, keyval); + gdk_threads_leave(); + + event->type = evtype_CharInput; + event->win = win; + event->val1 = keyval_to_glk_keycode(keyval, win->input_request_type == INPUT_REQUEST_CHARACTER_UNICODE); + event->val2 = 0; } +void +force_line_input_from_queue(winid_t win, event_t *event) +{ + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + const gchar *text = g_async_queue_pop(glk_data->line_input_queue); + glui32 chars_written = 0; + + gdk_threads_enter(); + if(win->type == wintype_TextBuffer) + { + GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) ); + GtkTextIter start, end; + + /* Remove signal handlers so the line input doesn't get picked up again */ + g_signal_handler_block(buffer, win->insert_text_handler); + + /* Erase any text that was already typed */ + GtkTextMark *input_position = gtk_text_buffer_get_mark(buffer, "input_position"); + gtk_text_buffer_get_iter_at_mark(buffer, &start, input_position); + gtk_text_buffer_get_end_iter(buffer, &end); + gtk_text_buffer_delete(buffer, &start, &end); + + /* Make the window uneditable again */ + gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), FALSE); + + /* Insert the forced input into the window */ + gtk_text_buffer_get_end_iter(buffer, &end); + gchar *text_to_insert = g_strconcat(text, "\n", NULL); + gtk_text_buffer_insert_with_tags_by_name(buffer, &end, text_to_insert, -1, "input", NULL); + chars_written = finish_text_buffer_line_input(win, TRUE); + } + else if(win->type == wintype_TextGrid) + { + /* Remove signal handlers so the line input doesn't get picked up again */ + g_signal_handler_block(win->widget, win->keypress_handler); + + /* Insert the forced input into the window */ + gtk_entry_set_text(GTK_ENTRY(win->input_entry), text); + chars_written = finish_text_grid_line_input(win, TRUE); + } + gdk_threads_leave(); + + event->type = evtype_LineInput; + event->win = win; + event->val1 = chars_written; + event->val2 = 0; +}