Use statically-allocated thread private data
[projects/chimara/chimara.git] / libchimara / input.c
index 95a2aa4a4138c0ab5c57953aa14ed37bd7175809..f6b7fb5113f9f2897ec15e2c51e31e843a83f9a9 100644 (file)
@@ -5,7 +5,7 @@
 #include "chimara-glk-private.h"
 #include "garglk.h"
 
-extern GPrivate *glk_data_key;
+extern GPrivate glk_data_key;
 
 /* Forward declarations */
 static int finish_text_buffer_line_input(winid_t win, gboolean emit_signal);
@@ -23,7 +23,15 @@ request_char_event_common(winid_t win, gboolean unicode)
 
        flush_window_buffer(win);
 
-       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       if(win->type == wintype_TextBuffer) {
+               /* Move the input_position mark to the end of the window_buffer */
+               GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
+               GtkTextMark *input_position = gtk_text_buffer_get_mark(buffer, "input_position");
+               GtkTextIter end_iter;
+               gtk_text_buffer_get_end_iter(buffer, &end_iter);
+               gtk_text_buffer_move_mark(buffer, input_position, &end_iter);
+       }
+
 
        win->input_request_type = unicode? INPUT_REQUEST_CHARACTER_UNICODE : INPUT_REQUEST_CHARACTER;
        g_signal_handler_unblock( win->widget, win->char_input_keypress_handler );
@@ -33,6 +41,7 @@ request_char_event_common(winid_t win, gboolean unicode)
        gdk_threads_leave();
 
        /* Emit the "waiting" signal to let listeners know we are ready for input */
+       ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
        g_signal_emit_by_name(glk_data->self, "waiting");
 }
 
@@ -134,10 +143,7 @@ text_grid_request_line_event_common(winid_t win, glui32 maxlen, gboolean insert,
        gtk_entry_set_has_frame(GTK_ENTRY(win->input_entry), FALSE);
        GtkBorder border = { 0, 0, 0, 0 };
 
-       /* COMPAT: */
-#if GTK_CHECK_VERSION(2,10,0)
        gtk_entry_set_inner_border(GTK_ENTRY(win->input_entry), &border);
-#endif
     gtk_entry_set_max_length(GTK_ENTRY(win->input_entry), win->input_length);
     gtk_entry_set_width_chars(GTK_ENTRY(win->input_entry), win->input_length);
 
@@ -241,7 +247,7 @@ glk_request_line_event(winid_t win, char *buf, glui32 maxlen, glui32 initlen)
 
        cancel_old_input_request(win);
 
-       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
 
        /* Register the buffer */
        if(glk_data->register_arr)
@@ -314,7 +320,7 @@ glk_request_line_event_uni(winid_t win, glui32 *buf, glui32 maxlen, glui32 initl
        g_return_if_fail(initlen <= maxlen);
 
        cancel_old_input_request(win);
-       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
 
        /* Register the buffer */
        if(glk_data->register_arr)
@@ -398,7 +404,7 @@ glk_cancel_line_event(winid_t win, event_t *event)
        }
        gdk_threads_leave();
 
-       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
        if(glk_data->unregister_arr)
        {
                if(win->input_request_type == INPUT_REQUEST_LINE_UNICODE)
@@ -435,10 +441,10 @@ on_shutdown_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win)
                g_node_traverse(priv->root_window, G_IN_ORDER, G_TRAVERSE_LEAVES, -1, (GNodeTraverseFunc)turn_off_handler, NULL);
        
        /* Signal the Glk library that it can shut everything down now */
-       g_mutex_lock(priv->shutdown_lock);
-       g_cond_signal(priv->shutdown_key_pressed);
-       g_mutex_unlock(priv->shutdown_lock);
-       
+       g_mutex_lock(&priv->shutdown_lock);
+       g_cond_signal(&priv->shutdown_key_pressed);
+       g_mutex_unlock(&priv->shutdown_lock);
+
        return TRUE; /* block the event */
 }
 
@@ -476,40 +482,53 @@ on_line_input_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win
        {
                case wintype_TextBuffer:
                {
+                       GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
+                       GtkTextMark *input_position_mark = gtk_text_buffer_get_mark(buffer, "input_position");
+                       GtkTextIter input_position_iter;
+                       gtk_text_buffer_get_iter_at_mark(buffer, &input_position_iter, input_position_mark);
+                       GtkTextIter end_iter;
+                       gtk_text_buffer_get_end_iter(buffer, &end_iter);
+
+                       /* Check whether the cursor is at the prompt or somewhere else in the text */
+                       GtkTextIter selection_start, selection_end;
+                       gtk_text_buffer_get_selection_bounds(buffer, &selection_start, &selection_end);
+                       if(gtk_text_iter_compare(&selection_start, &input_position_iter) < 0) {
+                               // Cursor is somewhere else in the text, place it at the end if the user starts typing
+                               if(event->keyval >= GDK_KEY_space && event->keyval <= GDK_KEY_asciitilde) {
+                                       gtk_text_buffer_place_cursor(buffer, &end_iter);
+                               } else {
+                                       // User is walking around, let him be.
+                                       return FALSE;
+                               }
+                       }
+
                        /* All text up to the input position is now regarded as being read by the user */
                        pager_update(win);
 
-                       GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
-
                        /* History up/down */
-                       if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up
-                               || event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+                       if(event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up
+                               || event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_KP_Down)
                        {
                                /* Prevent falling off the end of the history list */
                                if(win->history == NULL)
                                        return TRUE;
-                               if( (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+                               if( (event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up)
                                        && win->history_pos && win->history_pos->next == NULL)
                                        return TRUE;
-                               if( (event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+                               if( (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_KP_Down)
                                        && (win->history_pos == NULL || win->history_pos->prev == NULL) )
                                        return TRUE;
 
-                               GtkTextIter start, end;
                                /* 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);
-
                                if(win->history_pos == NULL) {
-                                       gchar *current_input = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
+                                       gchar *current_input = gtk_text_buffer_get_text(buffer, &input_position_iter, &end_iter, FALSE);
                                        win->history = g_list_prepend(win->history, current_input);
                                        win->history_pos = win->history;
                                }
 
-                               gtk_text_buffer_delete(buffer, &start, &end);
+                               gtk_text_buffer_delete(buffer, &input_position_iter, &end_iter);
 
-                               if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+                               if(event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up)
                                {
                                        if(win->history_pos)
                                                win->history_pos = g_list_next(win->history_pos);
@@ -520,32 +539,30 @@ on_line_input_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win
                                        win->history_pos = g_list_previous(win->history_pos);
 
                                /* Insert the history item into the window */
-                               gtk_text_buffer_get_end_iter(buffer, &end);
+                               gtk_text_buffer_get_end_iter(buffer, &end_iter);
 
                                g_signal_handler_block(buffer, win->insert_text_handler);
-                               gtk_text_buffer_insert_with_tags_by_name(buffer, &end, win->history_pos->data, -1, "default", "input", "glk-input", NULL);
-
+                               gtk_text_buffer_insert_with_tags_by_name(buffer, &end_iter, win->history_pos->data, -1, "default", "input", "glk-input", NULL);
                                g_signal_handler_unblock(buffer, win->insert_text_handler);
+
                                return TRUE;
                        }
 
                        /* Move to beginning/end of input field */
-                       else if(event->keyval == GDK_Home) {
+                       else if(event->keyval == GDK_KEY_Home) {
                                GtkTextIter input_iter;
                                GtkTextMark *input_position = gtk_text_buffer_get_mark(buffer, "input_position");
                                gtk_text_buffer_get_iter_at_mark(buffer, &input_iter, input_position);
                                gtk_text_buffer_place_cursor(buffer, &input_iter);
                                return TRUE;
                        }
-                       else if(event->keyval == GDK_End) {
-                               GtkTextIter end_iter;
-                               gtk_text_buffer_get_end_iter(buffer, &end_iter);
+                       else if(event->keyval == GDK_KEY_End) {
                                gtk_text_buffer_place_cursor(buffer, &end_iter);
                                return TRUE;
                        }
 
                        /* Handle the line terminators */
-                       else if(event->keyval == GDK_Return || event->keyval == GDK_KP_Enter
+                       else if(event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter
                           || g_slist_find(win->current_extra_line_terminators, GUINT_TO_POINTER(event->keyval)))
                        {
                                /* Remove signal handlers */
@@ -553,10 +570,9 @@ on_line_input_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win
                                g_signal_handler_block(win->widget, win->line_input_keypress_handler);
 
                                /* Insert a newline (even if line input was terminated with a different key */
-                               GtkTextIter end;
-                               gtk_text_buffer_get_end_iter(buffer, &end);
-                               gtk_text_buffer_insert(buffer, &end, "\n", 1);
-                               gtk_text_buffer_place_cursor(buffer, &end);
+                               gtk_text_buffer_get_end_iter(buffer, &end_iter);
+                               gtk_text_buffer_insert(buffer, &end_iter, "\n", 1);
+                               gtk_text_buffer_place_cursor(buffer, &end_iter);
 
                                /* Make the window uneditable again and retrieve the text that was input */
                                gtk_text_view_set_editable(GTK_TEXT_VIEW(win->widget), FALSE);
@@ -572,15 +588,15 @@ on_line_input_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win
                /* If this is a text grid window, then redirect the key press to the line input GtkEntry */
                case wintype_TextGrid:
                {
-                       if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up
-                               || event->keyval == GDK_Down || event->keyval == GDK_KP_Down
-                               || event->keyval == GDK_Left || event->keyval == GDK_KP_Left
-                               || event->keyval == GDK_Right || event->keyval == GDK_KP_Right
-                               || event->keyval == GDK_Tab || event->keyval == GDK_KP_Tab
-                               || event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up
-                               || event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down
-                               || event->keyval == GDK_Home || event->keyval == GDK_KP_Home
-                               || event->keyval == GDK_End || event->keyval == GDK_KP_End)
+                       if(event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up
+                               || event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_KP_Down
+                               || event->keyval == GDK_KEY_Left || event->keyval == GDK_KEY_KP_Left
+                               || event->keyval == GDK_KEY_Right || event->keyval == GDK_KEY_KP_Right
+                               || event->keyval == GDK_KEY_Tab || event->keyval == GDK_KEY_KP_Tab
+                               || event->keyval == GDK_KEY_Page_Up || event->keyval == GDK_KEY_KP_Page_Up
+                               || event->keyval == GDK_KEY_Page_Down || event->keyval == GDK_KEY_KP_Page_Down
+                               || event->keyval == GDK_KEY_Home || event->keyval == GDK_KEY_KP_Home
+                               || event->keyval == GDK_KEY_End || event->keyval == GDK_KEY_KP_End)
                                return FALSE; /* Don't redirect these keys */
                        gtk_widget_grab_focus(win->input_entry);
                        gtk_editable_set_position(GTK_EDITABLE(win->input_entry), -1);
@@ -764,7 +780,9 @@ after_window_insert_text(GtkTextBuffer *textbuffer, GtkTextIter *location, gchar
        GtkTextIter input_iter;
        GtkTextMark *input_position = gtk_text_buffer_get_mark(window_buffer, "input_position");
        gtk_text_buffer_get_iter_at_mark(window_buffer, &input_iter, input_position);
+       gtk_text_buffer_apply_tag_by_name(window_buffer, "default", &input_iter, &end_iter);
        gtk_text_buffer_apply_tag_by_name(window_buffer, "input", &input_iter, &end_iter);
+       gtk_text_buffer_apply_tag_by_name(window_buffer, "glk-input", &input_iter, &end_iter);
 }
 
 /* Internal function: Callback for signal activate on the line input GtkEntry
@@ -784,14 +802,14 @@ GtkEntry in a text grid window. */
 gboolean
 on_input_entry_key_press_event(GtkEntry *input_entry, GdkEventKey *event, winid_t win)
 {
-       if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up
-               || event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+       if(event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up
+               || event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_KP_Down)
        {
                /* Prevent falling off the end of the history list */
-               if( (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+               if( (event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up)
                        && win->history_pos && win->history_pos->next == NULL)
                        return TRUE;
-               if( (event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+               if( (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_KP_Down)
                        && (win->history_pos == NULL || win->history_pos->prev == NULL) )
                        return TRUE;
 
@@ -802,7 +820,7 @@ on_input_entry_key_press_event(GtkEntry *input_entry, GdkEventKey *event, winid_
                        win->history_pos = win->history;
                }
 
-               if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+               if(event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up)
                {
                        if(win->history_pos)
                                win->history_pos = g_list_next(win->history_pos);
@@ -843,47 +861,47 @@ 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;
+               case GDK_KEY_Up:
+               case GDK_KEY_KP_Up: return keycode_Up;
+               case GDK_KEY_Down:
+               case GDK_KEY_KP_Down: return keycode_Down;
+               case GDK_KEY_Left:
+               case GDK_KEY_KP_Left: return keycode_Left;
+               case GDK_KEY_Right:
+               case GDK_KEY_KP_Right: return keycode_Right;
+               case GDK_KEY_Linefeed:
+               case GDK_KEY_Return:
+               case GDK_KEY_KP_Enter: return keycode_Return;
+               case GDK_KEY_Delete:
+               case GDK_KEY_BackSpace:
+               case GDK_KEY_KP_Delete: return keycode_Delete;
+               case GDK_KEY_Escape: return keycode_Escape;
+               case GDK_KEY_Tab:
+               case GDK_KEY_KP_Tab: return keycode_Tab;
+               case GDK_KEY_Page_Up:
+               case GDK_KEY_KP_Page_Up: return keycode_PageUp;
+               case GDK_KEY_Page_Down:
+               case GDK_KEY_KP_Page_Down: return keycode_PageDown;
+               case GDK_KEY_Home:
+               case GDK_KEY_KP_Home: return keycode_Home;
+               case GDK_KEY_End:
+               case GDK_KEY_KP_End: return keycode_End;
+               case GDK_KEY_F1:
+               case GDK_KEY_KP_F1: return keycode_Func1;
+               case GDK_KEY_F2:
+               case GDK_KEY_KP_F2: return keycode_Func2;
+               case GDK_KEY_F3:
+               case GDK_KEY_KP_F3: return keycode_Func3;
+               case GDK_KEY_F4:
+               case GDK_KEY_KP_F4: return keycode_Func4;
+               case GDK_KEY_F5: return keycode_Func5;
+               case GDK_KEY_F6: return keycode_Func6;
+               case GDK_KEY_F7: return keycode_Func7;
+               case GDK_KEY_F8: return keycode_Func8;
+               case GDK_KEY_F9: return keycode_Func9;
+               case GDK_KEY_F10: return keycode_Func10;
+               case GDK_KEY_F11: return keycode_Func11;
+               case GDK_KEY_F12: return keycode_Func12;
                default:
                        keycode = gdk_keyval_to_unicode(keyval);
                        /* If keycode is 0, then keyval was not recognized; also return
@@ -898,7 +916,7 @@ keyval_to_glk_keycode(guint keyval, gboolean unicode)
 void
 force_char_input_from_queue(winid_t win, event_t *event)
 {
-       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       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);
@@ -918,7 +936,7 @@ force_char_input_from_queue(winid_t win, event_t *event)
 void
 force_line_input_from_queue(winid_t win, event_t *event)
 {
-       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       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;
 
@@ -946,7 +964,7 @@ force_line_input_from_queue(winid_t win, event_t *event)
                {
                        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, "default", "input", NULL);
+                       gtk_text_buffer_insert_with_tags_by_name(buffer, &end, text_to_insert, -1, "default", "input", "glk-input", NULL);
                }
 
                chars_written = finish_text_buffer_line_input(win, TRUE);
@@ -1041,55 +1059,55 @@ keycode_to_gdk_keyval(glui32 keycode)
        switch (keycode)
        {
                case keycode_Left:
-                       return GDK_Left;
+                       return GDK_KEY_Left;
                case keycode_Right:
-                       return GDK_Right;
+                       return GDK_KEY_Right;
                case keycode_Up:
-                       return GDK_Up;
+                       return GDK_KEY_Up;
                case keycode_Down:
-                       return GDK_Down;
+                       return GDK_KEY_Down;
                case keycode_Return:
-                       return GDK_Return;
+                       return GDK_KEY_Return;
                case keycode_Delete:
-                       return GDK_Delete;
+                       return GDK_KEY_Delete;
                case keycode_Escape:
-                       return GDK_Escape;
+                       return GDK_KEY_Escape;
                case keycode_Tab:
-                       return GDK_Tab;
+                       return GDK_KEY_Tab;
                case keycode_PageUp:
-                       return GDK_Page_Up;
+                       return GDK_KEY_Page_Up;
                case keycode_PageDown:
-                       return GDK_Page_Down;
+                       return GDK_KEY_Page_Down;
                case keycode_Home:
-                       return GDK_Home;
+                       return GDK_KEY_Home;
                case keycode_End:
-                       return GDK_End;
+                       return GDK_KEY_End;
                case keycode_Func1:
-                       return GDK_F1;
+                       return GDK_KEY_F1;
                case keycode_Func2:
-                       return GDK_F2;
+                       return GDK_KEY_F2;
                case keycode_Func3:
-                       return GDK_F3;
+                       return GDK_KEY_F3;
                case keycode_Func4:
-                       return GDK_F4;
+                       return GDK_KEY_F4;
                case keycode_Func5:
-                       return GDK_F5;
+                       return GDK_KEY_F5;
                case keycode_Func6:
-                       return GDK_F6;
+                       return GDK_KEY_F6;
                case keycode_Func7:
-                       return GDK_F7;
+                       return GDK_KEY_F7;
                case keycode_Func8:
-                       return GDK_F8;
+                       return GDK_KEY_F8;
                case keycode_Func9:
-                       return GDK_F9;
+                       return GDK_KEY_F9;
                case keycode_Func10:
-                       return GDK_F10;
+                       return GDK_KEY_F10;
                case keycode_Func11:
-                       return GDK_F11;
+                       return GDK_KEY_F11;
                case keycode_Func12:
-                       return GDK_F12;
+                       return GDK_KEY_F12;
                case keycode_Erase:
-                       return GDK_BackSpace;
+                       return GDK_KEY_BackSpace;
        }
        unsigned keyval = gdk_unicode_to_keyval(keycode);
        if(keyval < 0x01000000) /* magic number meaning illegal unicode point */