glk_data->root_window = win->window_node;
}
- /* Set the window as a child of the Glk widget */
+ /* Set the window as a child of the Glk widget, don't trigger an arrange event */
+ g_mutex_lock(glk_data->arrange_lock);
+ glk_data->needs_rearrange = TRUE;
+ glk_data->ignore_next_arrange_event = TRUE;
+ g_mutex_unlock(glk_data->arrange_lock);
gtk_widget_set_parent(win->frame, GTK_WIDGET(glk_data->self));
gtk_widget_queue_resize(GTK_WIDGET(glk_data->self));
- gdk_threads_leave();
-
- /* For blank or pair windows, this is almost a no-op. For text grid and
- text buffer windows, this will wait for GTK to draw the window. Otherwise,
- opening a window and getting its size immediately will give you the wrong
- size. */
- glk_window_get_size(win, NULL, NULL);
-
/* For text grid windows, fill the buffer with blanks. */
if(wintype == wintype_TextGrid)
{
/* 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);
- gdk_threads_leave();
-
- /* Fill the buffer with blanks and move the cursor to the upper left */
- glk_window_clear(win);
- }
+ }
+ gdk_threads_leave();
+ glk_window_clear(win);
return win;
}
}
/* Internal function: destroy this window's GTK widgets, window streams,
- and those of all its children */
+ and those of all its children. GDK threads must be locked. */
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:
{
VALID_WINDOW(win, return);
+ gdk_threads_enter(); /* Prevent redraw while we're trashing the window */
+
/* If any pair windows have this window or its children as a key window,
set their key window to NULL */
g_node_traverse(glk_data->root_window, G_IN_ORDER, G_TRAVERSE_NON_LEAVES, -1, (GNodeTraverseFunc)remove_key_windows, win);
g_free(win);
/* Schedule a redraw */
- gdk_threads_enter();
+ g_mutex_lock(glk_data->arrange_lock);
+ glk_data->needs_rearrange = TRUE;
+ glk_data->ignore_next_arrange_event = TRUE;
+ g_mutex_unlock(glk_data->arrange_lock);
gtk_widget_queue_resize( GTK_WIDGET(glk_data->self) );
- gdk_window_process_all_updates();
gdk_threads_leave();
}
case wintype_TextGrid:
/* fill the buffer with blanks */
{
+ /* Wait for the window's size to be updated */
+ g_mutex_lock(glk_data->arrange_lock);
+ if(glk_data->needs_rearrange)
+ g_cond_wait(glk_data->rearranged, glk_data->arrange_lock);
+ g_mutex_unlock(glk_data->arrange_lock);
+
gdk_threads_enter();
/* Manually put newlines at the end of each row of characters in the buffer; manual newlines make resizing the window's grid easier. */
break;
case wintype_TextGrid:
+ /* Wait until the window's size is current */
+ g_mutex_lock(glk_data->arrange_lock);
+ if(glk_data->needs_rearrange)
+ g_cond_wait(glk_data->rearranged, glk_data->arrange_lock);
+ g_mutex_unlock(glk_data->arrange_lock);
+
gdk_threads_enter();
- /* Wait for the window to be drawn, and then cache the width and height */
- gdk_window_process_all_updates();
- 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();
- }
-
+ /* Cache the width and height */
win->width = (glui32)(win->widget->allocation.width / win->unit_width);
win->height = (glui32)(win->widget->allocation.height / win->unit_height);
gdk_threads_leave();
break;
case wintype_TextBuffer:
- /* TODO: Glk wants to be able to get its windows' sizes as soon as they are created, but GTK doesn't decide on their sizes until they are drawn. The drawing happens somewhere in an idle function. A good method would be to make an educated guess of the window's size using the ChimaraGlk widget's size. */
+ /* Wait until the window's size is current */
+ g_mutex_lock(glk_data->arrange_lock);
+ if(glk_data->needs_rearrange)
+ g_cond_wait(glk_data->rearranged, glk_data->arrange_lock);
+ g_mutex_unlock(glk_data->arrange_lock);
+
gdk_threads_enter();
- /*if(win->widget->allocation.width == 1 && win->widget->allocation.height == 1)
- {
- g_warning("glk_window_get_size: The Glk program requested the size of a window before it was allocated screen space by GTK. The window size is just an educated guess.");
- guess the size from the parent window;
- break;
- } */
-
- /* Instead, we wait for GTK to draw the widget. This is probably very slow and should be fixed. */
- gdk_window_process_all_updates();
- 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();
- }
-
if(widthptr != NULL)
*widthptr = (glui32)(win->widget->allocation.width / win->unit_width);
if(heightptr != NULL)
/* Tell GTK to rearrange the windows */
gdk_threads_enter();
+ g_mutex_lock(glk_data->arrange_lock);
+ glk_data->needs_rearrange = TRUE;
+ glk_data->ignore_next_arrange_event = TRUE;
+ g_mutex_unlock(glk_data->arrange_lock);
gtk_widget_queue_resize(GTK_WIDGET(glk_data->self));
- gdk_window_process_all_updates();
gdk_threads_leave();
}
VALID_WINDOW(win, return);
g_return_if_fail(win->type == wintype_TextGrid);
+ /* Wait until the window's size is current */
+ g_mutex_lock(glk_data->arrange_lock);
+ if(glk_data->needs_rearrange)
+ g_cond_wait(glk_data->rearranged, glk_data->arrange_lock);
+ g_mutex_unlock(glk_data->arrange_lock);
+
+ /* Don't do anything if the window is shrunk down to nothing */
+ if(win->width == 0 || win->height == 0)
+ return;
+
/* Calculate actual position if cursor is moved past the right edge */
if(xpos >= win->width)
{