#include "config.h"
-#include <string.h>
#include <gtk/gtk.h>
#include "gailscale.h"
-#include <libgail-util/gailmisc.h>
-static void gail_scale_class_init (GailScaleClass *klass);
-
-static void gail_scale_init (GailScale *scale);
-
-static void gail_scale_real_initialize (AtkObject *obj,
- gpointer data);
static const char * gail_scale_get_description (AtkObject *object);
-static void gail_scale_notify (GObject *obj,
- GParamSpec *pspec);
-static void gail_scale_finalize (GObject *object);
-
-/* atktext.h */
-static void atk_text_interface_init (AtkTextIface *iface);
-static gchar* gail_scale_get_text (AtkText *text,
- gint start_pos,
- gint end_pos);
-static gunichar gail_scale_get_character_at_offset
- (AtkText *text,
- gint offset);
-static gchar* gail_scale_get_text_before_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_scale_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_scale_get_text_after_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gint gail_scale_get_character_count (AtkText *text);
-static void gail_scale_get_character_extents
- (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords);
-static gint gail_scale_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords);
-static AtkAttributeSet* gail_scale_get_run_attributes
- (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset);
-static AtkAttributeSet* gail_scale_get_default_attributes
- (AtkText *text);
-
-G_DEFINE_TYPE_WITH_CODE (GailScale, gail_scale, GAIL_TYPE_RANGE,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init))
+G_DEFINE_TYPE (GailScale, gail_scale, GAIL_TYPE_RANGE)
static void
gail_scale_class_init (GailScaleClass *klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
- class->initialize = gail_scale_real_initialize;
class->get_description = gail_scale_get_description;
-
- gobject_class->finalize = gail_scale_finalize;
- gobject_class->notify = gail_scale_notify;
}
static void
return ATK_OBJECT_CLASS (gail_scale_parent_class)->get_description (object);
}
-
-static void
-gail_scale_real_initialize (AtkObject *obj,
- gpointer data)
-{
- GailScale *gail_scale;
- const gchar *txt;
- PangoLayout *layout;
-
- ATK_OBJECT_CLASS (gail_scale_parent_class)->initialize (obj, data);
-
- gail_scale = GAIL_SCALE (obj);
- gail_scale->textutil = gail_text_util_new ();
-
- layout = gtk_scale_get_layout (GTK_SCALE (data));
- if (layout)
- {
- txt = pango_layout_get_text (layout);
- if (txt)
- {
- gail_text_util_text_setup (gail_scale->textutil, txt);
- }
- }
-}
-
-static void
-gail_scale_finalize (GObject *object)
-{
- GailScale *scale = GAIL_SCALE (object);
-
- g_object_unref (scale->textutil);
- G_OBJECT_CLASS (gail_scale_parent_class)->finalize (object);
-
-}
-
-static void
-gail_scale_notify (GObject *obj,
- GParamSpec *pspec)
-{
- GailScale *scale = GAIL_SCALE (obj);
-
- if (strcmp (pspec->name, "accessible-value") == 0)
- {
- GtkWidget *widget;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget)
- {
- GtkScale *gtk_scale;
- PangoLayout *layout;
- const gchar *txt;
-
- gtk_scale = GTK_SCALE (widget);
- layout = gtk_scale_get_layout (gtk_scale);
- if (layout)
- {
- txt = pango_layout_get_text (layout);
- if (txt)
- {
- g_signal_emit_by_name (obj, "text_changed::delete", 0,
- gtk_text_buffer_get_char_count (scale->textutil->buffer));
- gail_text_util_text_setup (scale->textutil, txt);
- g_signal_emit_by_name (obj, "text_changed::insert", 0,
- g_utf8_strlen (txt, -1));
- }
- }
- }
- }
- G_OBJECT_CLASS (gail_scale_parent_class)->notify (obj, pspec);
-}
-
-/* atktext.h */
-
-static void
-atk_text_interface_init (AtkTextIface *iface)
-{
- iface->get_text = gail_scale_get_text;
- iface->get_character_at_offset = gail_scale_get_character_at_offset;
- iface->get_text_before_offset = gail_scale_get_text_before_offset;
- iface->get_text_at_offset = gail_scale_get_text_at_offset;
- iface->get_text_after_offset = gail_scale_get_text_after_offset;
- iface->get_character_count = gail_scale_get_character_count;
- iface->get_character_extents = gail_scale_get_character_extents;
- iface->get_offset_at_point = gail_scale_get_offset_at_point;
- iface->get_run_attributes = gail_scale_get_run_attributes;
- iface->get_default_attributes = gail_scale_get_default_attributes;
-}
-
-static gchar*
-gail_scale_get_text (AtkText *text,
- gint start_pos,
- gint end_pos)
-{
- GtkWidget *widget;
- GailScale *scale;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- scale = GAIL_SCALE (text);
- return gail_text_util_get_substring (scale->textutil,
- start_pos, end_pos);
-}
-
-static gchar*
-gail_scale_get_text_before_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GailScale *scale;
- PangoLayout *layout;
- gchar *txt;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- scale = GAIL_SCALE (text);
- layout = gtk_scale_get_layout (GTK_SCALE (widget));
- if (layout)
- {
- txt = gail_text_util_get_text (scale->textutil,
- layout, GAIL_BEFORE_OFFSET,
- boundary_type, offset, start_offset, end_offset);
- }
- else
- txt = NULL;
-
- return txt;
-}
-
-static gchar*
-gail_scale_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GailScale *scale;
- PangoLayout *layout;
- gchar *txt;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- scale = GAIL_SCALE (text);
- layout = gtk_scale_get_layout (GTK_SCALE (widget));
- if (layout)
- {
- txt = gail_text_util_get_text (scale->textutil,
- layout, GAIL_AT_OFFSET,
- boundary_type, offset, start_offset, end_offset);
- }
- else
- txt = NULL;
-
- return txt;
-}
-
-static gchar*
-gail_scale_get_text_after_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GailScale *scale;
- PangoLayout *layout;
- gchar *txt;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- scale = GAIL_SCALE (text);
- layout = gtk_scale_get_layout (GTK_SCALE (widget));
- if (layout)
- {
- txt = gail_text_util_get_text (scale->textutil,
- layout, GAIL_AFTER_OFFSET,
- boundary_type, offset, start_offset, end_offset);
- }
- else
- txt = NULL;
-
- return txt;
-}
-
-static gint
-gail_scale_get_character_count (AtkText *text)
-{
- GtkWidget *widget;
- GailScale *scale;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- scale = GAIL_SCALE (text);
- if (scale->textutil->buffer)
- return gtk_text_buffer_get_char_count (scale->textutil->buffer);
- else
- return 0;
-
-}
-
-static void
-gail_scale_get_character_extents (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords)
-{
- GtkWidget *widget;
- GtkScale *scale;
- PangoRectangle char_rect;
- PangoLayout *layout;
- gint index, x_layout, y_layout;
- const gchar *scale_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return;
-
- scale = GTK_SCALE (widget);
- layout = gtk_scale_get_layout (scale);
- if (!layout)
- return;
- scale_text = pango_layout_get_text (layout);
- if (!scale_text)
- return;
- index = g_utf8_offset_to_pointer (scale_text, offset) - scale_text;
- gtk_scale_get_layout_offsets (scale, &x_layout, &y_layout);
- pango_layout_index_to_pos (layout, index, &char_rect);
- gail_misc_get_extents_from_pango_rectangle (widget, &char_rect,
- x_layout, y_layout, x, y, width, height, coords);
-}
-
-static gint
-gail_scale_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords)
-{
- GtkWidget *widget;
- GtkScale *scale;
- PangoLayout *layout;
- gint index, x_layout, y_layout;
- const gchar *scale_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return -1;
-
- scale = GTK_SCALE (widget);
- layout = gtk_scale_get_layout (scale);
- if (!layout)
- return -1;
- scale_text = pango_layout_get_text (layout);
- if (!scale_text)
- return -1;
-
- gtk_scale_get_layout_offsets (scale, &x_layout, &y_layout);
- index = gail_misc_get_index_at_point_in_layout (widget,
- layout,
- x_layout, y_layout, x, y, coords);
- if (index == -1)
- {
- if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
- index = g_utf8_strlen (scale_text, -1);
- }
- else
- index = g_utf8_pointer_to_offset (scale_text, scale_text + index);
-
- return index;
-}
-
-static AtkAttributeSet*
-gail_scale_get_run_attributes (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkScale *scale;
- AtkAttributeSet *at_set = NULL;
- GtkTextDirection dir;
- PangoLayout *layout;
- const gchar *scale_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- scale = GTK_SCALE (widget);
-
- layout = gtk_scale_get_layout (scale);
- if (!layout)
- return at_set;
- scale_text = pango_layout_get_text (layout);
- if (!scale_text)
- return at_set;
-
- dir = gtk_widget_get_direction (widget);
- if (dir == GTK_TEXT_DIR_RTL)
- {
- at_set = gail_misc_add_attribute (at_set,
- ATK_TEXT_ATTR_DIRECTION,
- g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
- }
-
- at_set = gail_misc_layout_get_run_attributes (at_set,
- layout,
- (gchar *)scale_text,
- offset,
- start_offset,
- end_offset);
- return at_set;
-}
-
-static AtkAttributeSet*
-gail_scale_get_default_attributes (AtkText *text)
-{
- GtkWidget *widget;
- AtkAttributeSet *at_set = NULL;
- PangoLayout *layout;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- layout = gtk_scale_get_layout (GTK_SCALE (widget));
- if (layout)
- {
- at_set = gail_misc_get_default_attributes (at_set,
- layout,
- widget);
- }
- return at_set;
-}
-
-static gunichar
-gail_scale_get_character_at_offset (AtkText *text,
- gint offset)
-{
- GtkWidget *widget;
- GtkScale *scale;
- PangoLayout *layout;
- const gchar *string;
- gchar *index;
- gunichar c;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return '\0';
-
- scale = GTK_SCALE (widget);
-
- layout = gtk_scale_get_layout (scale);
- if (!layout)
- return '\0';
- string = pango_layout_get_text (layout);
- if (offset >= g_utf8_strlen (string, -1))
- c = '\0';
- else
- {
- index = g_utf8_offset_to_pointer (string, offset);
-
- c = g_utf8_get_char (index);
- }
-
- return c;
-}
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