#define CHIMARA_GLK_MIN_WIDTH 0
#define CHIMARA_GLK_MIN_HEIGHT 0
-/* Substitute functions for compiling on iLiad */
-
-#if !GTK_CHECK_VERSION(2, 18, 0)
-#define gtk_widget_get_allocation(w, a) \
- G_STMT_START { \
- (a)->x = (w)->allocation.x; \
- (a)->y = (w)->allocation.y; \
- (a)->width = (w)->allocation.width; \
- (a)->height = (w)->allocation.height; \
- } G_STMT_END
-#define gtk_widget_set_allocation(w, a) \
- G_STMT_START { (w)->allocation = *(a); } G_STMT_END
-#define gtk_widget_set_has_window(w, f) \
- G_STMT_START { \
- if(f) \
- GTK_WIDGET_UNSET_FLAGS((w), GTK_NO_WINDOW); \
- else \
- GTK_WIDGET_SET_FLAGS((w), GTK_NO_WINDOW); \
- } G_STMT_END
-#endif /* GTK 2.18 */
-
/**
* SECTION:chimara-glk
* @short_description: Widget which executes a Glk program
priv->protect = FALSE;
priv->styles = g_new0(StyleSet,1);
priv->glk_styles = g_new0(StyleSet,1);
- priv->pager_attr_list = pango_attr_list_new();
priv->final_message = g_strdup("[ The game has finished ]");
priv->running = FALSE;
priv->program = NULL;
g_hash_table_destroy(priv->styles->text_grid);
g_hash_table_destroy(priv->glk_styles->text_buffer);
g_hash_table_destroy(priv->glk_styles->text_grid);
- pango_attr_list_unref(priv->pager_attr_list);
-
+
/* Free the event queue */
g_mutex_lock(priv->event_lock);
g_queue_foreach(priv->event_queue, (GFunc)g_free, NULL);
G_OBJECT_CLASS(chimara_glk_parent_class)->finalize(object);
}
-/* Internal function: Recursively get the Glk window tree's size request */
-static void
-request_recurse(winid_t win, GtkRequisition *requisition, guint spacing)
-{
- if(win->type == wintype_Pair)
- {
- /* Get children's size requests */
- GtkRequisition child1, child2;
- request_recurse(win->window_node->children->data, &child1, spacing);
- request_recurse(win->window_node->children->next->data, &child2, spacing);
-
- glui32 division = win->split_method & winmethod_DivisionMask;
- glui32 direction = win->split_method & winmethod_DirMask;
- unsigned border = ((win->split_method & winmethod_BorderMask) == winmethod_NoBorder)? 0 : spacing;
-
- /* If the split is fixed, get the size of the fixed child */
- if(division == winmethod_Fixed)
- {
- switch(direction)
- {
- case winmethod_Left:
- child1.width = win->key_window?
- win->constraint_size * win->key_window->unit_width
- : 0;
- break;
- case winmethod_Right:
- child2.width = win->key_window?
- win->constraint_size * win->key_window->unit_width
- : 0;
- break;
- case winmethod_Above:
- child1.height = win->key_window?
- win->constraint_size * win->key_window->unit_height
- : 0;
- break;
- case winmethod_Below:
- child2.height = win->key_window?
- win->constraint_size * win->key_window->unit_height
- : 0;
- break;
- }
- }
-
- /* Add the children's requests */
- switch(direction)
- {
- case winmethod_Left:
- case winmethod_Right:
- requisition->width = child1.width + child2.width + border;
- requisition->height = MAX(child1.height, child2.height);
- break;
- case winmethod_Above:
- case winmethod_Below:
- requisition->width = MAX(child1.width, child2.width);
- requisition->height = child1.height + child2.height + border;
- break;
- }
- }
-
- /* For non-pair windows, just use the size that GTK requests */
- else
- gtk_widget_size_request(win->frame, requisition);
-}
-
-/* Old GTK 2 functionality overriding gtk_widget_size_request();
-get_preferred_width() and get_preferred_height() are implemented in terms of
-this function. */
-static void
-chimara_glk_size_request(GtkWidget *widget, GtkRequisition *requisition)
+/* Implementation of get_request_mode(): Always request constant size */
+static GtkSizeRequestMode
+chimara_glk_get_request_mode(GtkWidget *widget)
{
- g_return_if_fail(widget);
- g_return_if_fail(requisition);
- g_return_if_fail(CHIMARA_IS_GLK(widget));
-
- ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(widget);
-
- guint border_width = gtk_container_get_border_width(GTK_CONTAINER(widget));
- /* For now, just pass the size request on to the root Glk window */
- if(priv->root_window)
- {
- request_recurse(priv->root_window->data, requisition, priv->spacing);
- requisition->width += 2 * border_width;
- requisition->height += 2 * border_width;
- }
- else
- {
- requisition->width = CHIMARA_GLK_MIN_WIDTH + 2 * border_width;
- requisition->height = CHIMARA_GLK_MIN_HEIGHT + 2 * border_width;
- }
+ return GTK_SIZE_REQUEST_CONSTANT_SIZE;
}
-/* Minimal implementation of width-for-height request, in terms of the old
-GTK 2 mechanism. FIXME: make this more efficient. */
+/* Minimal implementation of width request. Allocation in Glk is
+strictly top-down, so we just request our current size by returning 1. */
static void
chimara_glk_get_preferred_width(GtkWidget *widget, int *minimal, int *natural)
{
g_return_if_fail(minimal);
g_return_if_fail(natural);
- GtkRequisition requisition;
-
- chimara_glk_size_request(widget, &requisition);
- *minimal = *natural = requisition.width;
+ *minimal = *natural = 1;
}
-/* Minimal implementation of height-for-width request, in terms of the old
-GTK 2 mechanism. FIXME: make this more efficient. */
+/* Minimal implementation of height request. Allocation in Glk is
+strictly top-down, so we just request our current size by returning 1. */
static void
chimara_glk_get_preferred_height(GtkWidget *widget, int *minimal, int *natural)
{
g_return_if_fail(minimal);
g_return_if_fail(natural);
- GtkRequisition requisition;
-
- chimara_glk_size_request(widget, &requisition);
- *minimal = *natural = requisition.height;
+ *minimal = *natural = 1;
}
/* Recursively give the Glk windows their allocated space. Returns a window
bottom or right area is filled with blanks. */
GtkAllocation widget_allocation;
gtk_widget_get_allocation(win->widget, &widget_allocation);
- glui32 newwidth = (glui32)(widget_allocation.width / win->unit_width);
- glui32 newheight = (glui32)(widget_allocation.height / win->unit_height);
- gint line;
- GtkTextBuffer *textbuffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
- GtkTextIter start, end;
-
- for(line = 0; line < win->height; line++)
+ glui32 new_width = (glui32)(widget_allocation.width / win->unit_width);
+ glui32 new_height = (glui32)(widget_allocation.height / win->unit_height);
+
+ if(new_width != win->width || new_height != win->height)
{
- gtk_text_buffer_get_iter_at_line(textbuffer, &start, line);
- /* If this line is going to fall off the bottom, delete it */
- if(line >= newheight)
- {
- end = start;
- gtk_text_iter_forward_to_line_end(&end);
- gtk_text_iter_forward_char(&end);
- gtk_text_buffer_delete(textbuffer, &start, &end);
- break;
+ // Window has changed size, trim or expand the textbuffer if necessary.
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
+ GtkTextIter start, end;
+
+ // Add or remove lines
+ if(new_height == 0) {
+ gtk_text_buffer_get_start_iter(buffer, &start);
+ gtk_text_buffer_get_end_iter(buffer, &end);
+ gtk_text_buffer_delete(buffer, &start, &end);
}
- /* If this line is not long enough, add spaces on the end */
- if(newwidth > win->width)
+ else if(new_height < win->height)
{
- gchar *spaces = g_strnfill(newwidth - win->width, ' ');
+ // Remove surplus lines
+ gtk_text_buffer_get_end_iter(buffer, &end);
+ gtk_text_buffer_get_iter_at_line(buffer, &start, new_height-1);
gtk_text_iter_forward_to_line_end(&start);
- gtk_text_buffer_insert(textbuffer, &start, spaces, -1);
- g_free(spaces);
+ gtk_text_buffer_delete(buffer, &start, &end);
+
}
- /* But if it's too long, delete characters from the end */
- else if(newwidth < win->width)
+ else if(new_height > win->height)
{
+ // Add extra lines
+ gint lines_to_add = new_height - win->height;
+ gtk_text_buffer_get_end_iter(buffer, &end);
+ start = end;
+
+ gchar *blanks = g_strnfill(win->width, ' ');
+ gchar **blanklines = g_new0(gchar *, lines_to_add + 1);
+ int count;
+ for(count = 0; count < lines_to_add; count++)
+ blanklines[count] = blanks;
+ blanklines[lines_to_add] = NULL;
+ gchar *vertical_blanks = g_strjoinv("\n", blanklines);
+ g_free(blanklines);
+ g_free(blanks);
+
+ if(win->height > 0)
+ gtk_text_buffer_insert(buffer, &end, "\n", 1);
+
+ gtk_text_buffer_insert(buffer, &end, vertical_blanks, -1);
+ }
+
+ // Trim or expand lines
+ if(new_width < win->width) {
+ gtk_text_buffer_get_start_iter(buffer, &start);
+ end = start;
+
+ gint line;
+ for(line = 0; line <= new_height; line++) {
+ // Trim the line
+ gtk_text_iter_forward_cursor_positions(&start, new_width);
+ gtk_text_iter_forward_to_line_end(&end);
+ gtk_text_buffer_delete(buffer, &start, &end);
+ gtk_text_iter_forward_line(&start);
+ end = start;
+ }
+ } else if(new_width > win->width) {
+ gint chars_to_add = new_width - win->width;
+ gchar *horizontal_blanks = g_strnfill(chars_to_add, ' ');
+
+ gtk_text_buffer_get_start_iter(buffer, &start);
end = start;
- gtk_text_iter_forward_chars(&start, newwidth);
- gtk_text_iter_forward_to_line_end(&end);
- gtk_text_buffer_delete(textbuffer, &start, &end);
+
+ gint line;
+ for(line = 0; line <= new_height; line++) {
+ gtk_text_iter_forward_to_line_end(&start);
+ end = start;
+ gint start_offset = gtk_text_iter_get_offset(&start);
+ gtk_text_buffer_insert(buffer, &end, horizontal_blanks, -1);
+ gtk_text_buffer_get_iter_at_offset(buffer, &start, start_offset);
+ gtk_text_iter_forward_line(&start);
+ end = start;
+ }
+
+ g_free(horizontal_blanks);
}
- /* Note: if the widths are equal, do nothing */
- }
- /* Add blank lines if there aren't enough lines to fit the new size */
- if(newheight > win->height)
- {
- gchar *blanks = g_strnfill(win->width, ' ');
- gchar **blanklines = g_new0(gchar *, (newheight - win->height) + 1);
- int count;
- for(count = 0; count < newheight - win->height; count++)
- blanklines[count] = blanks;
- blanklines[newheight - win->height] = NULL;
- gchar *text = g_strjoinv("\n", blanklines);
- g_free(blanklines); /* not g_strfreev() */
- g_free(blanks);
-
- gtk_text_buffer_get_end_iter(textbuffer, &start);
- gtk_text_buffer_insert(textbuffer, &start, "\n", -1);
- gtk_text_buffer_insert(textbuffer, &start, text, -1);
- g_free(text);
}
- gboolean arrange = !(win->width == newwidth && win->height == newheight);
- win->width = newwidth;
- win->height = newheight;
+ gboolean arrange = !(win->width == new_width && win->height == new_height);
+ win->width = new_width;
+ win->height = new_height;
return arrange? win : NULL;
}
ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(widget);
gtk_widget_set_allocation(widget, allocation);
-
+
if(priv->root_window) {
- GtkAllocation child;
- guint border_width = gtk_container_get_border_width(GTK_CONTAINER(widget));
- child.x = allocation->x + border_width;
- child.y = allocation->y + border_width;
- child.width = CLAMP(allocation->width - 2 * border_width, 0, allocation->width);
- child.height = CLAMP(allocation->height - 2 * border_width, 0, allocation->height);
+ GtkAllocation child = *allocation;
winid_t arrange = allocate_recurse(priv->root_window->data, &child, priv->spacing);
-
+
/* arrange points to a window that contains all text grid and graphics
windows which have been resized */
g_mutex_lock(priv->arrange_lock);
/* Default signal handler */
}
-/* COMPAT: G_PARAM_STATIC_STRINGS only appeared in GTK 2.13.0 */
-#ifndef G_PARAM_STATIC_STRINGS
-
-/* COMPAT: G_PARAM_STATIC_NAME and friends only appeared in GTK 2.8 */
-#if GTK_CHECK_VERSION(2,8,0)
-#define G_PARAM_STATIC_STRINGS (G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB)
-#else
-#define G_PARAM_STATIC_STRINGS (0)
-#endif
-
-#endif
-
static void
chimara_glk_class_init(ChimaraGlkClass *klass)
{
object_class->finalize = chimara_glk_finalize;
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
+ widget_class->get_request_mode = chimara_glk_get_request_mode;
widget_class->get_preferred_width = chimara_glk_get_preferred_width;
widget_class->get_preferred_height = chimara_glk_get_preferred_height;
widget_class->size_allocate = chimara_glk_size_allocate;
GtkContainerClass *container_class = GTK_CONTAINER_CLASS(klass);
container_class->forall = chimara_glk_forall;
+ /* Automatically handle the GtkContainer:border-width property */
+ gtk_container_class_handle_border_width(container_class);
/* Signals */
klass->stopped = chimara_glk_stopped;
ChimaraGlkPrivate *glk_data;
};
+static void
+free_startup_data(struct StartupData *startup)
+{
+ int i = 0;
+ while(i < startup->args.argc)
+ g_free(startup->args.argv[i++]);
+ g_free(startup->args.argv);
+}
+
/* glk_enter() is the actual function called in the new thread in which glk_main() runs. */
static gpointer
glk_enter(struct StartupData *startup)
startup->glk_data->in_startup = TRUE;
int result = startup->glkunix_startup_code(&startup->args);
startup->glk_data->in_startup = FALSE;
-
- int i = 0;
- while(i < startup->args.argc)
- g_free(startup->args.argv[i++]);
- g_free(startup->args.argv);
-
- if(!result)
+
+ if(!result) {
+ free_startup_data(startup);
return NULL;
+ }
}
/* Run main function */
g_free(startup);
g_signal_emit_by_name(startup->glk_data->self, "started");
glk_main();
+ free_startup_data(startup);
glk_exit(); /* Run shutdown code in glk_exit() even if glk_main() returns normally */
g_assert_not_reached(); /* because glk_exit() calls g_thread_exit() */
return NULL;
return style_get_tag_names();
}
-/**
- * chimara_glk_update_style:
- * @glk: a #ChimaraGlk widget
- *
- * Processes style updates and updates the widget to reflect the new style.
- * Call this every time you change a property of a #GtkTextTag retrieved by
- * chimara_glk_get_tag().
- */
-void
-chimara_glk_update_style(ChimaraGlk *glk)
-{
- CHIMARA_GLK_USE_PRIVATE(glk, priv);
- style_update(glk);
-
- /* Schedule a redraw */
- g_mutex_lock(priv->arrange_lock);
- priv->needs_rearrange = TRUE;
- priv->ignore_next_arrange_event = TRUE;
- g_mutex_unlock(priv->arrange_lock);
- gtk_widget_queue_resize( GTK_WIDGET(priv->self) );
-}
-
/**
* chimara_glk_set_resource_load_callback:
* @glk: a #ChimaraGlk widget