Implement resource streams

[projects/chimara/chimara.git] / libchimara / input.c

diff --git a/libchimara/input.c b/libchimara/input.c
index 653d9c178c4558b4c79e8b0d5eedbdf0ffe3f377..7f9b693cf9c8bc7738a7482789d84387f23d7024 100644 (file)
--- a/libchimara/input.c
+++ b/libchimara/input.c
@@ -485,11 +485,29 @@ 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_space && event->keyval <= GDK_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)
@@ -504,19 +522,14 @@ on_line_input_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win
                                        && (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)
                                {
@@ -529,12 +542,12 @@ 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;
                        }
 
@@ -547,8 +560,6 @@ on_line_input_key_press_event(GtkWidget *widget, GdkEventKey *event, winid_t win
                                return TRUE;
                        }
                        else if(event->keyval == GDK_End) {
-                               GtkTextIter end_iter;
-                               gtk_text_buffer_get_end_iter(buffer, &end_iter);
                                gtk_text_buffer_place_cursor(buffer, &end_iter);
                                return TRUE;
                        }
@@ -562,10 +573,9 @@ 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);
@@ -773,7 +783,9 @@ 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
@@ -955,7 +967,7 @@ 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);