pair->rock = 0;
pair->type = wintype_Pair;
pair->window_node = g_node_new(pair);
- pair->window_stream = NULL;
+ /* You can print to a pair window's window stream, but it has no effect */
+ pair->window_stream = window_stream_new(pair);
pair->echo_stream = NULL;
/* The pair window must know about its children's split method */
gtk_widget_set_parent(win->frame, GTK_WIDGET(glk_data->self));
gtk_widget_queue_resize(GTK_WIDGET(glk_data->self));
+ gdk_threads_leave();
+
/* For text grid windows, wait until GTK draws the window (see note in glk_window_get_size() ), calculate the size and fill the buffer with blanks. */
if(wintype == wintype_TextGrid)
{
- while(win->widget->allocation.width == 1 && win->widget->allocation.height == 1)
- {
- /* Release the GDK lock momentarily */
- gdk_threads_leave();
- gdk_threads_enter();
- while(gtk_events_pending())
- gtk_main_iteration();
- }
- win->width = (glui32)(win->widget->allocation.width / win->unit_width);
- win->height = (glui32)(win->widget->allocation.height / win->unit_height);
+ /* Force the window to be drawn and cache its size */
+ glk_window_get_size(win, NULL, NULL);
- /* Mark the cursor position */
+ /* Create the cursor position mark */
+ gdk_threads_enter();
GtkTextIter begin;
GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
gtk_text_buffer_get_start_iter(buffer, &begin);
gtk_text_buffer_create_mark(buffer, "cursor_position", &begin, TRUE);
-
- /* Fill the buffer with blanks and move the cursor to the upper left */
gdk_threads_leave();
+
+ /* Fill the buffer with blanks and move the cursor to the upper left */
glk_window_clear(win);
- gdk_threads_enter();
}
- gdk_threads_leave();
-
return win;
}
+/* Internal function: destroy this window's GTK widgets, window streams,
+ and those of all its children */
+static void
+destroy_windows_below(winid_t win, stream_result_t *result)
+{
+ switch(win->type)
+ {
+ case wintype_Blank:
+ gdk_threads_enter();
+ gtk_widget_unparent(win->widget);
+ gdk_threads_leave();
+ break;
+
+ case wintype_TextGrid:
+ case wintype_TextBuffer:
+ gdk_threads_enter();
+ gtk_widget_unparent(win->frame);
+ gdk_threads_leave();
+ /* TODO: Cancel all input requests */
+ break;
+
+ case wintype_Pair:
+ destroy_windows_below(win->window_node->children->data, NULL);
+ destroy_windows_below(win->window_node->children->next->data, NULL);
+ break;
+
+ default:
+ ILLEGAL_PARAM("Unknown window type: %u", win->type);
+ return;
+ }
+ stream_close_common(win->window_stream, result);
+}
+
+/* Internal function: free the winid_t structure of this window and those of all its children */
+static void
+free_winids_below(winid_t win)
+{
+ if(win->type == wintype_Pair) {
+ free_winids_below(win->window_node->children->data);
+ free_winids_below(win->window_node->children->next->data);
+ }
+ win->magic = MAGIC_FREE;
+ g_free(win);
+}
+
/**
* glk_window_close:
* @win: Window to close.
glk_window_close(winid_t win, stream_result_t *result)
{
VALID_WINDOW(win, return);
-
- /* First close the window stream before trashing the window tree */
- stream_close_common(win->window_stream, result);
- switch(win->type)
- {
- case wintype_Blank:
- gdk_threads_enter();
- gtk_widget_unparent(win->widget);
- gdk_threads_leave();
- break;
+ /* First close all the window streams and destroy the widgets of this window
+ and below, before trashing the window tree */
+ destroy_windows_below(win, result);
- case wintype_TextGrid:
- case wintype_TextBuffer:
- gdk_threads_enter();
- gtk_widget_unparent(win->frame);
- gdk_threads_leave();
- /* TODO: Cancel all input requests */
- break;
-
- case wintype_Pair:
- {
- GNode *left = win->window_node->children;
- GNode *right = win->window_node->children->next;
- glk_window_close(left->data, NULL);
- glk_window_close(right->data, NULL);
- }
- break;
-
- default:
- ILLEGAL_PARAM("Unknown window type: %u", win->type);
- return;
+ /* Then free the winid_t structures below this node, but not this one itself */
+ if(win->type == wintype_Pair) {
+ free_winids_below(win->window_node->children->data);
+ free_winids_below(win->window_node->children->next->data);
}
-
- /* Parent window changes from a split window into the sibling window */
+ /* So now we should be left with a skeleton tree hanging off this node */
+
+ /* Parent window changes from a split window into the sibling window */
+ /* The parent of any window is either a pair window or NULL */
GNode *pair_node = win->window_node->parent;
g_node_destroy(win->window_node);
- /* If win was not the root window, or was not unhooked from the tree: */
+ /* If win was not the root window: */
if(pair_node != NULL)
{
gboolean new_child_on_left = ( pair_node == g_node_first_sibling(pair_node) );
pair->magic = MAGIC_FREE;
g_free(pair);
+ }
+ else /* it was the root window */
+ {
+ glk_data->root_window = NULL;
}
win->magic = MAGIC_FREE;
break;
case wintype_TextGrid:
- /* The text grid caches its width and height */
+ gdk_threads_enter();
+ /* Wait for the window to be drawn, and then cache the width and height */
+ while(win->widget->allocation.width == 1 && win->widget->allocation.height == 1)
+ {
+ /* Release the GDK lock momentarily */
+ gdk_threads_leave();
+ gdk_threads_enter();
+ while(gtk_events_pending())
+ gtk_main_iteration();
+ }
+ win->width = (glui32)(win->widget->allocation.width / win->unit_width);
+ win->height = (glui32)(win->widget->allocation.height / win->unit_height);
+ gdk_threads_leave();
+
if(widthptr != NULL)
*widthptr = win->width;
if(heightptr != NULL)
projects / rodin / chimara.git / blobdiff