/* licensing and copyright information here */
+#include <math.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gmodule.h>
+#include <pango/pango.h>
#include "chimara-glk.h"
#include "chimara-glk-private.h"
#include "glk.h"
enum {
PROP_0,
PROP_INTERACTIVE,
- PROP_PROTECT
+ PROP_PROTECT,
+ PROP_DEFAULT_FONT_DESCRIPTION,
+ PROP_MONOSPACE_FONT_DESCRIPTION,
+ PROP_SPACING
};
enum {
priv->self = self;
priv->interactive = TRUE;
priv->protect = FALSE;
+ priv->default_font_desc = pango_font_description_from_string("Sans");
+ priv->monospace_font_desc = pango_font_description_from_string("Monospace");
priv->program = NULL;
priv->thread = NULL;
priv->event_queue = NULL;
switch(prop_id)
{
case PROP_INTERACTIVE:
- chimara_glk_set_interactive(glk, g_value_get_boolean(value));
+ chimara_glk_set_interactive( glk, g_value_get_boolean(value) );
break;
case PROP_PROTECT:
- chimara_glk_set_protect(glk, g_value_get_boolean(value));
+ chimara_glk_set_protect( glk, g_value_get_boolean(value) );
break;
+ case PROP_DEFAULT_FONT_DESCRIPTION:
+ chimara_glk_set_default_font_description( glk, (PangoFontDescription *)g_value_get_pointer(value) );
+ break;
+ 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_PROTECT:
g_value_set_boolean(value, priv->protect);
break;
+ case PROP_DEFAULT_FONT_DESCRIPTION:
+ g_value_set_pointer(value, priv->default_font_desc);
+ break;
+ 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_mutex_free(priv->abort_lock);
priv->abort_lock = NULL;
+ /* Free private data */
+ pango_font_description_free(priv->default_font_desc);
+ pango_font_description_free(priv->monospace_font_desc);
+
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->constraint_size * win->key_window->unit_width;
+ break;
+ case winmethod_Right:
+ child2.width = win->constraint_size * win->key_window->unit_width;
+ break;
+ case winmethod_Above:
+ child1.height = win->constraint_size * win->key_window->unit_height;
+ break;
+ case winmethod_Below:
+ child2.height = win->constraint_size * win->key_window->unit_height;
+ 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)
+ {
+ switch(win->split_method & winmethod_DirMask)
+ {
+ case winmethod_Left:
+ child1.width = win->constraint_size * win->key_window->unit_width;
+ if(child1.width > allocation->width - spacing)
+ child1.width = allocation->width - spacing;
+ break;
+ case winmethod_Right:
+ child2.width = win->constraint_size * win->key_window->unit_width;
+ if(child2.width > allocation->width - spacing)
+ child2.width = allocation->width - spacing;
+ break;
+ case winmethod_Above:
+ child1.height = win->constraint_size * win->key_window->unit_height;
+ if(child1.height > allocation->height - spacing)
+ child1.height = allocation->height - spacing;
+ break;
+ case winmethod_Below:
+ child2.height = win->constraint_size * win->key_window->unit_height;
+ if(child2.height > allocation->height - spacing)
+ child2.height = allocation->height - spacing;
+ 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);
+ }
+
+ /* For non-pair 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 = allocation->width - 2 * GTK_CONTAINER(widget)->border_width;
+ child.height = allocation->height - 2 * GTK_CONTAINER(widget)->border_width;
+ if(child.width < 0)
+ child.width = 0;
+ if(child.height < 0)
+ child.height = 0;
+ 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
+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)
+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
/* TODO: Add default signal handler implementation here */
}
+/* G_PARAM_STATIC_STRINGS only appeared in GTK 2.13.0 */
+#ifndef G_PARAM_STATIC_STRINGS
+#define G_PARAM_STATIC_STRINGS (G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB)
+#endif
+
static void
chimara_glk_class_init(ChimaraGlkClass *klass)
{
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_READABLE | G_PARAM_WRITABLE | G_PARAM_LAX_VALIDATION |
- G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB);
/**
* ChimaraGlk:interactive:
*
* Sets whether the widget is interactive. A Glk widget is normally
* interactive, but in non-interactive mode, keyboard and mouse input are
* ignored and the Glk program is controlled by chimara_glk_feed_text().
- * "More" prompts when a lot of text is printed to a text buffer are also
- * disabled. This is typically used when you wish to control an interpreter
- * program by feeding it a predefined list of commands.
+ * <quote>More</quote> prompts when a lot of text is printed to a text
+ * 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_READABLE | G_PARAM_WRITABLE | G_PARAM_LAX_VALIDATION |
- G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB);
- /**
+ 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);
-
+ 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 */
+ /**
+ * ChimaraGlk:default-font-description:
+ *
+ * Pointer to a #PangoFontDescription describing the default proportional
+ * font, to be used in text buffer windows for example.
+ *
+ * Default value: font description created from the string
+ * <quote>Sans</quote>
+ */
+ 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:
+ *
+ * Pointer to a #PangoFontDescription describing the default monospace font,
+ * to be used in text grid windows and #style_Preformatted, for example.
+ *
+ * Default value: font description created from the string
+ * <quote>Monospace</quote>
+ */
+ 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));
}
return priv->protect;
}
+/**
+ * chimara_glk_set_default_font_description:
+ * @glk: a #ChimaraGlk widget
+ * @font: a #PangoFontDescription
+ *
+ * Sets @glk's default proportional font. See
+ * #ChimaraGlk:default-font-description.
+ */
+void
+chimara_glk_set_default_font_description(ChimaraGlk *glk, PangoFontDescription *font)
+{
+ g_return_if_fail(glk || CHIMARA_IS_GLK(glk));
+ g_return_if_fail(font);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ pango_font_description_free(priv->default_font_desc);
+ priv->default_font_desc = pango_font_description_copy(font);
+
+ /* TODO: Apply the font description to all the windows and recalculate the sizes */
+}
+
+/**
+ * chimara_glk_set_default_font_string:
+ * @glk: a #ChimaraGlk widget
+ * @font: string representation of a font description
+ *
+ * Sets @glk's default proportional font according to the string @font, which
+ * must be a string in the form <quote><replaceable>FAMILY-LIST</replaceable>
+ * [<replaceable>STYLE-OPTIONS</replaceable>]
+ * [<replaceable>SIZE</replaceable>]</quote>, such as <quote>Charter,Utopia
+ * Italic 12</quote> or <quote>Sans</quote>. See
+ * #ChimaraGlk:default-font-description.
+ */
+void
+chimara_glk_set_default_font_string(ChimaraGlk *glk, const gchar *font)
+{
+ g_return_if_fail(glk || CHIMARA_IS_GLK(glk));
+ g_return_if_fail(font || *font);
+
+ PangoFontDescription *fontdesc = pango_font_description_from_string(font);
+ g_return_if_fail(fontdesc);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ pango_font_description_free(priv->default_font_desc);
+ priv->default_font_desc = fontdesc;
+
+ /* TODO: Apply the font description to all the windows and recalculate the sizes */
+}
+
+/**
+ * chimara_glk_get_default_font_description:
+ * @glk: a #ChimaraGlk widget
+ *
+ * Returns @glk's default proportional font.
+ *
+ * Return value: a newly-allocated #PangoFontDescription which must be freed
+ * using pango_font_description_free(), or %NULL on error.
+ */
+PangoFontDescription *
+chimara_glk_get_default_font_description(ChimaraGlk *glk)
+{
+ g_return_val_if_fail(glk || CHIMARA_IS_GLK(glk), NULL);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ return pango_font_description_copy(priv->default_font_desc);
+}
+
+/**
+ * chimara_glk_set_monospace_font_description:
+ * @glk: a #ChimaraGlk widget
+ * @font: a #PangoFontDescription
+ *
+ * Sets @glk's default monospace font. See
+ * #ChimaraGlk:monospace-font-description.
+ */
+void
+chimara_glk_set_monospace_font_description(ChimaraGlk *glk, PangoFontDescription *font)
+{
+ g_return_if_fail(glk || CHIMARA_IS_GLK(glk));
+ g_return_if_fail(font);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ pango_font_description_free(priv->monospace_font_desc);
+ priv->monospace_font_desc = pango_font_description_copy(font);
+
+ /* TODO: Apply the font description to all the windows and recalculate the sizes */
+}
+
+/**
+ * chimara_glk_set_monospace_font_string:
+ * @glk: a #ChimaraGlk widget
+ * @font: string representation of a font description
+ *
+ * Sets @glk's default monospace font according to the string @font, which must
+ * be a string in the form <quote><replaceable>FAMILY-LIST</replaceable>
+ * [<replaceable>STYLE-OPTIONS</replaceable>]
+ * [<replaceable>SIZE</replaceable>]</quote>, such as <quote>Courier
+ * Bold 12</quote> or <quote>Monospace</quote>. See
+ * #ChimaraGlk:monospace-font-description.
+ */
+void
+chimara_glk_set_monospace_font_string(ChimaraGlk *glk, const gchar *font)
+{
+ g_return_if_fail(glk || CHIMARA_IS_GLK(glk));
+ g_return_if_fail(font || *font);
+
+ PangoFontDescription *fontdesc = pango_font_description_from_string(font);
+ g_return_if_fail(fontdesc);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ pango_font_description_free(priv->monospace_font_desc);
+ priv->monospace_font_desc = fontdesc;
+
+ /* TODO: Apply the font description to all the windows and recalculate the sizes */
+}
+
+/**
+ * chimara_glk_get_monospace_font_description:
+ * @glk: a #ChimaraGlk widget
+ *
+ * Returns @glk's default monospace font.
+ *
+ * Return value: a newly-allocated #PangoFontDescription which must be freed
+ * using pango_font_description_free(), or %NULL on error.
+ */
+PangoFontDescription *
+chimara_glk_get_monospace_font_description(ChimaraGlk *glk)
+{
+ g_return_val_if_fail(glk || CHIMARA_IS_GLK(glk), NULL);
+
+ ChimaraGlkPrivate *priv = CHIMARA_GLK_PRIVATE(glk);
+ 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)