/* licensing and copyright information here */
+#include <math.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gmodule.h>
* On Linux systems, this is a file with a name like
* <filename>plugin.so</filename>. For portability, you can use libtool and
* automake:
- * <informalexample><programlisting>
+ * |[
* pkglib_LTLIBRARIES = plugin.la
* plugin_la_SOURCES = plugin.c foo.c bar.c
* plugin_la_LDFLAGS = -module -shared -avoid-version -export-symbols-regex "^glk_main$$"
- * </programlisting></informalexample>
+ * ]|
* This will produce <filename>plugin.la</filename> which is a text file
* containing the correct plugin file to open (see the relevant section of the
* <ulink
PROP_INTERACTIVE,
PROP_PROTECT,
PROP_DEFAULT_FONT_DESCRIPTION,
- PROP_MONOSPACE_FONT_DESCRIPTION
+ PROP_MONOSPACE_FONT_DESCRIPTION,
+ PROP_SPACING
};
enum {
priv->fileref_list = NULL;
priv->current_stream = NULL;
priv->stream_list = NULL;
+ priv->timer_id = 0;
}
static void
case PROP_MONOSPACE_FONT_DESCRIPTION:
chimara_glk_set_monospace_font_description( glk, (PangoFontDescription *)g_value_get_pointer(value) );
break;
+ case PROP_SPACING:
+ chimara_glk_set_spacing( glk, g_value_get_uint(value) );
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
}
case PROP_MONOSPACE_FONT_DESCRIPTION:
g_value_set_pointer(value, priv->monospace_font_desc);
break;
+ case PROP_SPACING:
+ g_value_set_uint(value, priv->spacing);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
}
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);
+
+ /* If the split is fixed, get the size of the fixed child */
+ if((win->split_method & winmethod_DivisionMask) == winmethod_Fixed)
+ {
+ switch(win->split_method & winmethod_DirMask)
+ {
+ 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(win->split_method & winmethod_DirMask)
+ {
+ case winmethod_Left:
+ case winmethod_Right:
+ requisition->width = child1.width + child2.width + spacing;
+ 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 + spacing;
+ break;
+ }
+ }
+
+ /* For non-pair windows, just use the size that GTK requests */
+ else
+ gtk_widget_size_request(win->frame, requisition);
+}
+
+/* Overrides gtk_widget_size_request */
static void
chimara_glk_size_request(GtkWidget *widget, GtkRequisition *requisition)
{
ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(widget);
/* For now, just pass the size request on to the root Glk window */
- if(priv->root_window) {
- GtkWidget *child = ((winid_t)(priv->root_window->data))->frame;
- if(GTK_WIDGET_VISIBLE(child))
- gtk_widget_size_request(child, requisition);
- } else {
- requisition->width = CHIMARA_GLK_MIN_WIDTH;
- requisition->height = CHIMARA_GLK_MIN_HEIGHT;
+ if(priv->root_window)
+ {
+ request_recurse(priv->root_window->data, requisition, priv->spacing);
+ requisition->width += 2 * GTK_CONTAINER(widget)->border_width;
+ requisition->height += 2 * GTK_CONTAINER(widget)->border_width;
+ }
+ else
+ {
+ requisition->width = CHIMARA_GLK_MIN_WIDTH + 2 * GTK_CONTAINER(widget)->border_width;
+ requisition->height = CHIMARA_GLK_MIN_HEIGHT + 2 * GTK_CONTAINER(widget)->border_width;
}
}
+/* Recursively give the Glk windows their allocated space */
+static void
+allocate_recurse(winid_t win, GtkAllocation *allocation, guint spacing)
+{
+ if(win->type == wintype_Pair)
+ {
+ GtkAllocation child1, child2;
+ child1.x = allocation->x;
+ child1.y = allocation->y;
+
+ if((win->split_method & winmethod_DivisionMask) == winmethod_Fixed)
+ {
+ /* If the key window has been closed, then default to 0; otherwise
+ use the key window to determine the size */
+ switch(win->split_method & winmethod_DirMask)
+ {
+ case winmethod_Left:
+ child1.width = win->key_window?
+ CLAMP(win->constraint_size * win->key_window->unit_width, 0, allocation->width - spacing)
+ : 0;
+ break;
+ case winmethod_Right:
+ child2.width = win->key_window?
+ CLAMP(win->constraint_size * win->key_window->unit_width, 0, allocation->width - spacing)
+ : 0;
+ break;
+ case winmethod_Above:
+ child1.height = win->key_window?
+ CLAMP(win->constraint_size * win->key_window->unit_height, 0, allocation->height - spacing)
+ : 0;
+ break;
+ case winmethod_Below:
+ child2.height = win->key_window?
+ CLAMP(win->constraint_size * win->key_window->unit_height, 0, allocation->height - spacing)
+ : 0;
+ break;
+ }
+ }
+ else /* proportional */
+ {
+ gdouble fraction = win->constraint_size / 100.0;
+ switch(win->split_method & winmethod_DirMask)
+ {
+ case winmethod_Left:
+ child1.width = (glui32) ceil( fraction * (allocation->width - spacing) );
+ break;
+ case winmethod_Right:
+ child2.width = (glui32) ceil( fraction * (allocation->width - spacing) );
+ break;
+ case winmethod_Above:
+ child1.height = (glui32) ceil( fraction * (allocation->height - spacing) );
+ break;
+ case winmethod_Below:
+ child2.height = (glui32) ceil( fraction * (allocation->height - spacing) );
+ break;
+ }
+ }
+
+ /* Fill in the rest of the size requisitions according to the child specified above */
+ switch(win->split_method & winmethod_DirMask)
+ {
+ case winmethod_Left:
+ child2.width = allocation->width - spacing - child1.width;
+ child2.x = child1.x + child1.width + spacing;
+ child2.y = child1.y;
+ child1.height = child2.height = allocation->height;
+ break;
+ case winmethod_Right:
+ child1.width = allocation->width - spacing - child2.width;
+ child2.x = child1.x + child1.width + spacing;
+ child2.y = child1.y;
+ child1.height = child2.height = allocation->height;
+ break;
+ case winmethod_Above:
+ child2.height = allocation->height - spacing - child1.height;
+ child2.x = child1.x;
+ child2.y = child1.y + child1.height + spacing;
+ child1.width = child2.width = allocation->width;
+ break;
+ case winmethod_Below:
+ child1.height = allocation->height - spacing - child2.height;
+ child2.x = child1.x;
+ child2.y = child1.y + child1.height + spacing;
+ child1.width = child2.width = allocation->width;
+ break;
+ }
+
+ /* Recurse */
+ allocate_recurse(win->window_node->children->data, &child1, spacing);
+ allocate_recurse(win->window_node->children->next->data, &child2, spacing);
+ }
+
+ else if(win->type == wintype_TextGrid)
+ {
+ /* Pass the size allocation on to the framing widget */
+ gtk_widget_size_allocate(win->frame, allocation);
+ /* It says in the spec that when a text grid window is resized smaller,
+ the bottom or right area is thrown away; when it is resized larger, the
+ bottom or right area is filled with blanks. */
+ glui32 newwidth = (glui32)(win->widget->allocation.width / win->unit_width);
+ glui32 newheight = (glui32)(win->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++)
+ {
+ 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;
+ }
+ /* If this line is not long enough, add spaces on the end */
+ if(newwidth > win->width)
+ {
+ gchar *spaces = g_strnfill(newwidth - win->width, ' ');
+ gtk_text_iter_forward_to_line_end(&start);
+ gtk_text_buffer_insert(textbuffer, &start, spaces, -1);
+ g_free(spaces);
+ }
+ /* But if it's too long, delete characters from the end */
+ else if(newwidth < win->width)
+ {
+ end = start;
+ gtk_text_iter_forward_chars(&start, newwidth);
+ gtk_text_iter_forward_to_line_end(&end);
+ gtk_text_buffer_delete(textbuffer, &start, &end);
+ }
+ /* 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);
+ }
+
+ win->width = newwidth;
+ win->height = newheight;
+ }
+
+ /* For non-pair, non-text-grid windows, just give them the size */
+ else
+ gtk_widget_size_allocate(win->frame, allocation);
+}
+
+/* Overrides gtk_widget_size_allocate */
static void
chimara_glk_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
widget->allocation = *allocation;
if(priv->root_window) {
- GtkWidget *child = ((winid_t)(priv->root_window->data))->frame;
- if(GTK_WIDGET_VISIBLE(child))
- gtk_widget_size_allocate(child, allocation);
- }
+ GtkAllocation child;
+ child.x = allocation->x + GTK_CONTAINER(widget)->border_width;
+ child.y = allocation->y + GTK_CONTAINER(widget)->border_width;
+ child.width = CLAMP(allocation->width - 2 * GTK_CONTAINER(widget)->border_width, 0, allocation->width);
+ child.height = CLAMP(allocation->height - 2 * GTK_CONTAINER(widget)->border_width, 0, allocation->height);
+ allocate_recurse(priv->root_window->data, &child, priv->spacing);
+ }
}
+/* Recursively invoke callback() on the GtkWidget of each non-pair window in the tree */
static void
-chimara_glk_forall(GtkContainer *container, gboolean include_internals,
- GtkCallback callback, gpointer callback_data)
+forall_recurse(winid_t win, GtkCallback callback, gpointer callback_data)
+{
+ if(win->type == wintype_Pair)
+ {
+ forall_recurse(win->window_node->children->data, callback, callback_data);
+ forall_recurse(win->window_node->children->next->data, callback, callback_data);
+ }
+ else
+ (*callback)(win->frame, callback_data);
+}
+
+/* Overrides gtk_container_forall */
+static void
+chimara_glk_forall(GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data)
{
g_return_if_fail(container);
g_return_if_fail(CHIMARA_IS_GLK(container));
ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(container);
- if(priv->root_window) {
- GtkWidget *child = ((winid_t)(priv->root_window->data))->frame;
- (*callback)(child, callback_data);
- }
+ /* All the children are "internal" */
+ if(!include_internals)
+ return;
+
+ if(priv->root_window)
+ forall_recurse(priv->root_window->data, callback, callback_data);
}
static void
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
/* Properties */
- GParamSpec *pspec;
- pspec = g_param_spec_boolean("interactive", _("Interactive"),
- _("Whether user input is expected in the Glk program"),
- TRUE,
- G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS);
/**
* ChimaraGlk:interactive:
*
* buffer are also disabled. This is typically used when you wish to control
* an interpreter program by feeding it a predefined list of commands.
*/
- g_object_class_install_property(object_class, PROP_INTERACTIVE, pspec);
- pspec = g_param_spec_boolean("protect", _("Protected"),
- _("Whether the Glk program is barred from doing file operations"),
- FALSE,
- G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS);
- /**
+ g_object_class_install_property( object_class, PROP_INTERACTIVE,
+ g_param_spec_boolean("interactive", _("Interactive"),
+ _("Whether user input is expected in the Glk program"),
+ TRUE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS) );
+
+ /**
* ChimaraGlk:protect:
*
* Sets whether the Glk program is allowed to do file operations. In protect
* mode, all file operations will fail.
*/
- g_object_class_install_property(object_class, PROP_PROTECT, pspec);
- pspec = g_param_spec_pointer("default-font-description", _("Default Font"),
- _("Font description of the default proportional font"),
- G_PARAM_READWRITE | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS);
+ g_object_class_install_property(object_class, PROP_PROTECT,
+ g_param_spec_boolean("protect", _("Protected"),
+ _("Whether the Glk program is barred from doing file operations"),
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS) );
+
/* We can't use G_PARAM_CONSTRUCT on these because then the constructor will
initialize them with NULL */
/**
* Default value: font description created from the string
* <quote>Sans</quote>
*/
- g_object_class_install_property(object_class, PROP_DEFAULT_FONT_DESCRIPTION, pspec);
- pspec = g_param_spec_pointer("monospace-font-description", _("Monospace Font"),
- _("Font description of the default monospace font"),
- G_PARAM_READWRITE | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS);
+ g_object_class_install_property(object_class, PROP_DEFAULT_FONT_DESCRIPTION,
+ g_param_spec_pointer("default-font-description", _("Default Font"),
+ _("Font description of the default proportional font"),
+ G_PARAM_READWRITE | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS) );
+
/**
* ChimaraGlk:monospace-font-description:
*
* Default value: font description created from the string
* <quote>Monospace</quote>
*/
- g_object_class_install_property(object_class, PROP_MONOSPACE_FONT_DESCRIPTION, pspec);
+ g_object_class_install_property(object_class, PROP_MONOSPACE_FONT_DESCRIPTION,
+ g_param_spec_pointer("monospace-font-description", _("Monospace Font"),
+ _("Font description of the default monospace font"),
+ G_PARAM_READWRITE | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS) );
+
+ /**
+ * ChimaraGlk:spacing:
+ *
+ * The amount of space between the Glk windows.
+ */
+ g_object_class_install_property(object_class, PROP_SPACING,
+ g_param_spec_uint("spacing", _("Spacing"),
+ _("The amount of space between Glk windows"),
+ 0, G_MAXUINT, 0,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS) );
+
/* Private data */
g_type_class_add_private(klass, sizeof(ChimaraGlkPrivate));
}
/**
* chimara_glk_get_default_font_description:
+ * @glk: a #ChimaraGlk widget
*
* Returns @glk's default proportional font.
*
/**
* chimara_glk_get_monospace_font_description:
+ * @glk: a #ChimaraGlk widget
*
* Returns @glk's default monospace font.
*
return pango_font_description_copy(priv->monospace_font_desc);
}
+/**
+ * chimara_glk_set_spacing:
+ * @glk: a #ChimaraGlk widget
+ * @spacing: the number of pixels to put between Glk windows
+ *
+ * Sets the #ChimaraGlk:spacing property of @glk, which is the border width in
+ * pixels between Glk windows.
+ */
+void
+chimara_glk_set_spacing(ChimaraGlk *glk, guint spacing)
+{
+ g_return_if_fail( glk || CHIMARA_IS_GLK(glk) );
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ priv->spacing = spacing;
+}
+
+/**
+ * chimara_glk_get_spacing:
+ * @glk: a #ChimaraGlk widget
+ *
+ * Gets the value set by chimara_glk_set_spacing().
+ *
+ * Return value: pixels of spacing between Glk windows
+ */
+guint
+chimara_glk_get_spacing(ChimaraGlk *glk)
+{
+ g_return_val_if_fail(glk || CHIMARA_IS_GLK(glk), 0);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ return priv->spacing;
+}
+
/* glk_enter() is the actual function called in the new thread in which glk_main() runs. */
static gpointer
glk_enter(gpointer glk_main)
/* Set the thread's private data */
/* TODO: Do this with a GPrivate */
glk_data = priv;
-
+
/* Run in a separate thread */
priv->thread = g_thread_create(glk_enter, glk_main, TRUE, error);
projects / projects / chimara / chimara.git / blobdiff