static void
style_set_handler (GtkWidget *widget, GtkStyle *previous_style)
{
PangoLayout *layout;
int width, width2;
int xpad;
layout = gtk_label_get_layout (GTK_LABEL(widget));
layout = pango_layout_copy (layout);
pango_layout_set_text (layout, LOCATION_LABEL, -1);
pango_layout_get_pixel_size (layout, &width, NULL);
pango_layout_set_text (layout, GO_TO_LABEL, -1);
pango_layout_get_pixel_size (layout, &width2, NULL);
width = MAX (width, width2);
gtk_misc_get_padding (GTK_MISC (widget),
&xpad, NULL);
width += 2 * xpad;
gtk_widget_set_size_request (widget, width, -1);
g_object_unref (layout);
}
static gboolean
query_unlock_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tooltip,
GtkTooltip *tooltip,
gpointer user_data)
{
GtkWidget *label;
PangoLayout *layout;
PangoAttrList *attrs;
IconShapeData *data;
data = g_object_get_data (G_OBJECT (widget), "icon-shape-data");
label = g_object_get_data (G_OBJECT (widget), "tooltip-label");
if (label == NULL) {
label = gtk_label_new (data->text);
g_object_ref_sink (label);
g_object_set_data_full (G_OBJECT (widget),
"tooltip-label", label, g_object_unref);
}
layout = gtk_label_get_layout (GTK_LABEL (label));
pango_cairo_context_set_shape_renderer (pango_layout_get_context (layout),
icon_shape_renderer,
data, NULL);
attrs = create_shape_attr_list_for_layout (layout, data);
gtk_label_set_attributes (GTK_LABEL (label), attrs);
pango_attr_list_unref (attrs);
gtk_tooltip_set_custom (tooltip, label);
return TRUE;
}
static AtkAttributeSet*
gtk_label_accessible_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
AtkAttributeSet *attributes;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
return NULL;
attributes = NULL;
attributes = add_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
gtk_widget_get_direction (widget)));
attributes = _gtk_pango_get_run_attributes (attributes,
gtk_label_get_layout (GTK_LABEL (widget)),
offset,
start_offset,
end_offset);
return attributes;
}
static void
match_label_color (GstyleColorWidget *self,
GstyleColor *color)
{
PangoLayout *layout;
PangoAttrList *attr_list;
PangoAttribute *attr;
GdkRGBA rgba;
GdkRGBA dst_rgba;
g_assert (GSTYLE_IS_COLOR_WIDGET (self));
g_assert (GSTYLE_IS_COLOR (color));
layout = gtk_label_get_layout (self->label);
attr_list = pango_layout_get_attributes (layout);
if (attr_list == NULL)
{
attr_list = pango_attr_list_new ();
gtk_label_set_attributes (self->label, attr_list);
pango_attr_list_unref (attr_list);
}
gstyle_color_fill_rgba (color, &rgba);
gstyle_utils_get_contrasted_rgba (rgba, &dst_rgba);
attr = pango_attr_foreground_new (dst_rgba.red * 0xffff, dst_rgba.green * 0xffff, dst_rgba.blue * 0xffff);
pango_attr_list_change (attr_list, attr);
attr = pango_attr_background_new (rgba.red * 0xffff, rgba.green * 0xffff, rgba.blue * 0xffff);
pango_attr_list_change (attr_list, attr);
}
static gchar*
gail_expander_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GailExpander *expander;
GtkWidget *label;
widget = GTK_ACCESSIBLE (text)->widget;
if (widget == NULL)
/* State is defunct */
return NULL;
expander = GAIL_EXPANDER (text);
if (!expander->textutil)
gail_expander_init_textutil (expander, GTK_EXPANDER (widget));
label = gtk_expander_get_label_widget (GTK_EXPANDER (widget));
if (!GTK_IS_LABEL(label))
return NULL;
return gail_text_util_get_text (expander->textutil,
gtk_label_get_layout (GTK_LABEL (label)),
GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
void get_label_text_dimensions(const char *text, int *width, int *height)
{
/*
* Determine the dimensions of a piece of text in the standard
* font used in GTK interface elements like labels. We do this by
* instantiating an actual GtkLabel, and then querying its size.
*
* But GTK2 and GTK3 require us to query the size completely
* differently. I'm sure there ought to be an easier approach than
* the way I'm doing this in GTK3, too!
*/
GtkWidget *label = gtk_label_new(text);
#if GTK_CHECK_VERSION(3,0,0)
PangoLayout *layout = gtk_label_get_layout(GTK_LABEL(label));
PangoRectangle logrect;
pango_layout_get_extents(layout, NULL, &logrect);
if (width)
*width = logrect.width / PANGO_SCALE;
if (height)
*height = logrect.height / PANGO_SCALE;
#else
GtkRequisition req;
gtk_widget_size_request(label, &req);
if (width)
*width = req.width;
if (height)
*height = req.height;
#endif
g_object_ref_sink(G_OBJECT(label));
#if GTK_CHECK_VERSION(2,10,0)
g_object_unref(label);
#endif
}
static gchar*
gail_label_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkLabel *label;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
{
/* State is defunct */
return NULL;
}
/* Get label */
label = GTK_LABEL (widget);
return gail_text_util_get_text (GAIL_LABEL (text)->textutil,
gtk_label_get_layout (label), GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
static gchar*
gail_statusbar_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
GailStatusbar *statusbar;
widget = GTK_ACCESSIBLE (text)->widget;
if (widget == NULL)
{
/* State is defunct */
return NULL;
}
/* Get label */
label = get_label_from_statusbar (widget);
if (!GTK_IS_LABEL(label))
return NULL;
statusbar = GAIL_STATUSBAR (text);
if (!statusbar->textutil)
gail_statusbar_init_textutil (statusbar, label);
return gail_text_util_get_text (statusbar->textutil,
gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
static gchar*
gail_button_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
GailButton *button;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
{
/* State is defunct */
return NULL;
}
/* Get label */
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return NULL;
button = GAIL_BUTTON (text);
if (!button->textutil)
gail_button_init_textutil (button, label);
return gail_text_util_get_text (button->textutil,
gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
static gint
gail_notebook_page_get_offset_at_point (AtkText *text,
gint x,
gint y,
AtkCoordType coords)
{
GtkWidget *label;
GailNotebookPage *notebook_page;
gint index, x_layout, y_layout;
const gchar *label_text;
notebook_page = GAIL_NOTEBOOK_PAGE (text);
label = get_label_from_notebook_page (notebook_page);
if (!GTK_IS_LABEL(label))
return -1;
gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
index = gail_misc_get_index_at_point_in_layout (label,
gtk_label_get_layout (GTK_LABEL (label)),
x_layout, y_layout, x, y, coords);
label_text = gtk_label_get_text (GTK_LABEL (label));
if (index == -1)
{
if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
return g_utf8_strlen (label_text, -1);
return index;
}
else
return g_utf8_pointer_to_offset (label_text, label_text + index);
}
static void
gail_expander_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkWidget *widget;
GtkWidget *label;
PangoRectangle char_rect;
gint index, x_layout, y_layout;
const gchar *label_text;
widget = GTK_ACCESSIBLE (text)->widget;
if (widget == NULL)
/* State is defunct */
return;
label = gtk_expander_get_label_widget (GTK_EXPANDER (widget));
if (!GTK_IS_LABEL(label))
return;
gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
label_text = gtk_label_get_text (GTK_LABEL (label));
index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (label)), index, &char_rect);
gail_misc_get_extents_from_pango_rectangle (label, &char_rect,
x_layout, y_layout, x, y, width, height, coords);
}
static gint
gail_label_get_offset_at_point (AtkText *text,
gint x,
gint y,
AtkCoordType coords)
{
GtkWidget *widget;
GtkLabel *label;
const gchar *label_text;
gint index, x_layout, y_layout;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return -1;
label = GTK_LABEL (widget);
gtk_label_get_layout_offsets (label, &x_layout, &y_layout);
index = gail_misc_get_index_at_point_in_layout (widget,
gtk_label_get_layout (label),
x_layout, y_layout, x, y, coords);
label_text = gtk_label_get_text (label);
if (index == -1)
{
if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
return g_utf8_strlen (label_text, -1);
return index;
}
else
return g_utf8_pointer_to_offset (label_text, label_text + index);
}
static void
gail_notebook_page_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkWidget *label;
GailNotebookPage *notebook_page;
PangoRectangle char_rect;
gint index, x_layout, y_layout;
const gchar *label_text;
notebook_page = GAIL_NOTEBOOK_PAGE (text);
label = get_label_from_notebook_page (notebook_page);
if (!GTK_IS_LABEL(label))
return;
gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
label_text = gtk_label_get_text (GTK_LABEL (label));
index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (label)), index, &char_rect);
gail_misc_get_extents_from_pango_rectangle (label, &char_rect,
x_layout, y_layout, x, y, width, height, coords);
}
static void
gtk_label_layoutable_size_allocate (GtkLayoutable *layoutable,
GtkAllocation *allocation)
{
GtkLabel *label = GTK_LABEL (layoutable);
if (gtk_label_get_line_wrap (label))
{
PangoLayout *layout;
PangoRectangle rect;
/* Make it span the entire line. */
layout = gtk_label_get_layout (label);
pango_layout_set_width (layout, allocation->width * PANGO_SCALE);
pango_layout_get_extents (layout, NULL, &rect);
allocation->width = rect.width / PANGO_SCALE + label->misc.xpad * 2;
allocation->height = rect.height / PANGO_SCALE + label->misc.ypad * 2;
gtk_misc_set_alignment (&label->misc, 0.0, 0.0);
gtk_widget_size_allocate (GTK_WIDGET (label), allocation);
}
else
(gtk_label_parent_layoutable_iface->size_allocate) (layoutable, allocation);
}
static gchar*
gail_item_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
GailItem *item;
widget = GTK_ACCESSIBLE (text)->widget;
if (widget == NULL)
{
/* State is defunct */
return NULL;
}
/* Get label */
label = get_label_from_container (widget);
if (!GTK_IS_LABEL(label))
return NULL;
item = GAIL_ITEM (text);
if (!item->textutil)
gail_item_init_textutil (item, label);
return gail_text_util_get_text (item->textutil,
gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
static void
text_size_allocate_cb (GtkWidget * w, GtkAllocation * al, gpointer data)
{
PangoLayout *pl = gtk_label_get_layout (GTK_LABEL (w));
if (pango_layout_is_wrapped (pl))
gtk_widget_set_size_request (w, al->width, -1);
}
GtkWidget *
do_rotated_text (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkWidget *box;
GtkWidget *drawing_area;
GtkWidget *label;
PangoLayout *layout;
PangoAttrList *attrs;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Rotated Text");
gtk_window_set_default_size (GTK_WINDOW (window), 4 * RADIUS, 2 * RADIUS);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_set_homogeneous (GTK_BOX (box), TRUE);
gtk_container_add (GTK_CONTAINER (window), box);
/* Add a drawing area */
drawing_area = gtk_drawing_area_new ();
gtk_container_add (GTK_CONTAINER (box), drawing_area);
gtk_style_context_add_class (gtk_widget_get_style_context (drawing_area),
GTK_STYLE_CLASS_VIEW);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (drawing_area),
rotated_text_draw,
NULL, NULL);
/* And a label */
label = gtk_label_new (text);
gtk_container_add (GTK_CONTAINER (box), label);
gtk_label_set_angle (GTK_LABEL (label), 45);
/* Set up fancy stuff on the label */
layout = gtk_label_get_layout (GTK_LABEL (label));
pango_cairo_context_set_shape_renderer (pango_layout_get_context (layout),
fancy_shape_renderer,
NULL, NULL);
attrs = create_fancy_attr_list_for_layout (layout);
gtk_label_set_attributes (GTK_LABEL (label), attrs);
pango_attr_list_unref (attrs);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
gtk_widget_destroy (window);
return window;
}
/* Draws a rounded rectangle with text inside. */
static gboolean
numbers_draw_cb (GtkWidget *widget, cairo_t *ctx, gpointer data)
{
double x, y, w, h;
PangoLayout * layout;
gint font_size = gtk_widget_get_font_size (widget);
#if (INDICATOR_MESSAGES_HAS_LOZENGE == 1)
gboolean is_lozenge = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "is-lozenge"));
/* let the label handle the drawing if it's not a lozenge */
if (!is_lozenge)
return FALSE;
#endif
if (!GTK_IS_WIDGET (widget)) return FALSE;
/* get style + arrow position / dimensions */
double red, green, blue;
GtkStyleContext *style = gtk_widget_get_style_context (widget);
GdkRGBA color;
gtk_style_context_get_color (style, gtk_widget_get_state(widget), &color);
red = color.red;
green = color.green;
blue = color.blue;
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
w = allocation.width;
h = allocation.height;
x = y = 0;
layout = gtk_label_get_layout (GTK_LABEL(widget));
PangoRectangle layout_extents;
pango_layout_get_extents (layout, NULL, &layout_extents);
pango_extents_to_pixels (&layout_extents, NULL);
if (layout_extents.width == 0)
return TRUE;
cairo_set_line_width (ctx, 1.0);
cairo_set_fill_rule (ctx, CAIRO_FILL_RULE_EVEN_ODD);
/* cairo drawing code */
custom_cairo_rounded_rectangle (ctx, x - font_size/2.0, y, w + font_size, h);
cairo_set_source_rgba (ctx, red,
green,
blue, 0.5);
x += (allocation.width - layout_extents.width) / 2.0;
y += (allocation.height - layout_extents.height) / 2.0;
cairo_move_to (ctx, floor (x), floor (y));
pango_cairo_layout_path (ctx, layout);
cairo_fill (ctx);
return TRUE;
}
static gint
gtk_label_accessible_get_offset_at_point (AtkText *atk_text,
gint x,
gint y,
AtkCoordType coords)
{
GtkWidget *widget;
GtkLabel *label;
const gchar *text;
gint index, x_layout, y_layout;
gint x_window, y_window;
gint x_local, y_local;
GdkWindow *window;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
if (widget == NULL)
return -1;
label = GTK_LABEL (widget);
gtk_label_get_layout_offsets (label, &x_layout, &y_layout);
window = gtk_widget_get_window (widget);
gdk_window_get_origin (window, &x_window, &y_window);
x_local = x - x_layout - x_window;
y_local = y - y_layout - y_window;
if (coords == ATK_XY_WINDOW)
{
window = gdk_window_get_toplevel (window);
gdk_window_get_origin (window, &x_window, &y_window);
x_local += x_window;
y_local += y_window;
}
if (!pango_layout_xy_to_index (gtk_label_get_layout (label),
x_local * PANGO_SCALE,
y_local * PANGO_SCALE,
&index, NULL))
{
if (x_local < 0 || y_local < 0)
index = 0;
else
index = -1;
}
if (index != -1)
{
text = gtk_label_get_text (label);
return g_utf8_pointer_to_offset (text, text + index);
}
return -1;
}
static void set_item_text_gravity(GtkWidget* item)
{
GtkWidget* label;
PangoLayout* layout;
PangoContext* context;
label = gtk_bin_get_child(GTK_BIN(item));
layout = gtk_label_get_layout(GTK_LABEL(label));
context = pango_layout_get_context(layout);
pango_context_set_base_gravity(context, PANGO_GRAVITY_AUTO);
}
static gint
get_label_line_height (GtkWidget *label)
{
PangoLayout *layout;
PangoLayoutIter *iter;
PangoRectangle rect;
layout = gtk_label_get_layout (GTK_LABEL (label));
iter = pango_layout_get_iter (layout);
pango_layout_iter_get_line_extents (iter, NULL, &rect);
pango_layout_iter_free (iter);
return (rect.y + rect.height) / PANGO_SCALE;
}
static int gtkButtonSetAlignmentAttrib(Ihandle* ih, const char* value)
{
GtkButton* button = (GtkButton*)ih->handle;
PangoAlignment alignment;
float xalign, yalign;
char value1[30]="", value2[30]="";
if (iupAttribGet(ih, "_IUPGTK_EVENTBOX"))
return 0;
iupStrToStrStr(value, value1, value2, ':');
if (iupStrEqualNoCase(value1, "ARIGHT"))
{
xalign = 1.0f;
alignment = PANGO_ALIGN_RIGHT;
}
else if (iupStrEqualNoCase(value1, "ACENTER"))
{
xalign = 0.5f;
alignment = PANGO_ALIGN_CENTER;
}
else /* "ALEFT" */
{
xalign = 0;
alignment = PANGO_ALIGN_LEFT;
}
if (iupStrEqualNoCase(value2, "ABOTTOM"))
yalign = 1.0f;
else if (iupStrEqualNoCase(value2, "ATOP"))
yalign = 0;
else /* ACENTER (default) */
yalign = 0.5f;
gtk_button_set_alignment(button, xalign, yalign);
if (ih->data->type == IUP_BUTTON_TEXT) /* text only */
{
GtkLabel* label = gtkButtonGetLabel(ih);
if (label)
{
PangoLayout* layout = gtk_label_get_layout(label);
if (layout)
pango_layout_set_alignment(layout, alignment);
}
}
return 1;
}
static int gtkFrameSetStandardFontAttrib(Ihandle* ih, const char* value)
{
iupdrvSetStandardFontAttrib(ih, value);
if (ih->handle)
{
GtkWidget* label = gtk_frame_get_label_widget((GtkFrame*)ih->handle);
if (!label) return 1;
gtk_widget_modify_font(label, (PangoFontDescription*)iupgtkGetPangoFontDescAttrib(ih));
iupgtkFontUpdatePangoLayout(ih, gtk_label_get_layout((GtkLabel*)label));
}
return 1;
}
static void gtkTabsUpdatePageFont(Ihandle* ih)
{
Ihandle* child;
PangoFontDescription* fontdesc = (PangoFontDescription*)iupgtkGetPangoFontDescAttrib(ih);
for (child = ih->firstchild; child; child = child->brother)
{
GtkWidget* tab_label = (GtkWidget*)iupAttribGet(child, "_IUPGTK_TABLABEL");
if (tab_label)
{
gtk_widget_modify_font(tab_label, fontdesc);
iupgtkFontUpdatePangoLayout(ih, gtk_label_get_layout((GtkLabel*)tab_label));
}
}
}
static void
set_label_size (NautilusZoomControl *zoom_control)
{
const char *text;
PangoLayout *layout;
int width;
int height;
text = gtk_label_get_text (GTK_LABEL (zoom_control->details->zoom_label));
layout = gtk_label_get_layout (GTK_LABEL (zoom_control->details->zoom_label));
pango_layout_set_text (layout, "100%", -1);
pango_layout_get_pixel_size (layout, &width, &height);
gtk_widget_set_size_request (zoom_control->details->zoom_label, width, height);
gtk_label_set_text (GTK_LABEL (zoom_control->details->zoom_label),
text);
}
static int gtkToggleSetStandardFontAttrib(Ihandle* ih, const char* value)
{
iupdrvSetStandardFontAttrib(ih, value);
if (ih->handle)
{
GtkWidget* label = gtk_button_get_image((GtkButton*)ih->handle);
if (!label) return 1;
gtk_widget_modify_font(label, (PangoFontDescription*)iupgtkGetPangoFontDescAttrib(ih));
if (ih->data->type == IUP_TOGGLE_TEXT)
iupgtkFontUpdatePangoLayout(ih, gtk_label_get_layout((GtkLabel*)label));
}
return 1;
}
static AtkAttributeSet*
gail_button_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
AtkAttributeSet *at_set = NULL;
GtkJustification justify;
GtkTextDirection dir;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return NULL;
/* Get values set for entire label, if any */
justify = gtk_label_get_justify (GTK_LABEL (label));
if (justify != GTK_JUSTIFY_CENTER)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_JUSTIFICATION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
}
dir = gtk_widget_get_direction (label);
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,
gtk_label_get_layout (GTK_LABEL (label)),
(gchar *) gtk_label_get_text (GTK_LABEL (label)),
offset,
start_offset,
end_offset);
return at_set;
}
static gchar*
gtk_label_accessible_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
return NULL;
return _gtk_pango_get_text_after (gtk_label_get_layout (GTK_LABEL (widget)),
boundary_type, offset,
start_offset, end_offset);
}
int scroll_text_label(void *data)
{
struct text_update_ctx *ctx = data;
PangoLayout *layout = gtk_label_get_layout(GTK_LABEL(ctx->e->widget));
if (pango_layout_is_ellipsized(layout))
ctx->curptr += 20;
else
ctx->curptr = ctx->orig_value;
if ((ctx->curptr - ctx->orig_value) > strlen(ctx->orig_value))
ctx->curptr = ctx->orig_value;
gtk_label_set_markup(GTK_LABEL(ctx->e->widget), ctx->curptr);
return TRUE;
}
static void
gtk_label_accessible_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkWidget *widget;
GtkLabel *label;
PangoRectangle char_rect;
const gchar *label_text;
gint index, x_layout, y_layout;
GdkWindow *window;
gint x_window, y_window;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
return;
label = GTK_LABEL (widget);
gtk_label_get_layout_offsets (label, &x_layout, &y_layout);
label_text = gtk_label_get_text (label);
index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
pango_layout_index_to_pos (gtk_label_get_layout (label), index, &char_rect);
pango_extents_to_pixels (&char_rect, NULL);
window = gtk_widget_get_window (widget);
gdk_window_get_origin (window, &x_window, &y_window);
*x = x_window + x_layout + char_rect.x;
*y = x_window + y_layout + char_rect.y;
*width = char_rect.width;
*height = char_rect.height;
if (coords == ATK_XY_WINDOW)
{
window = gdk_window_get_toplevel (window);
gdk_window_get_origin (window, &x_window, &y_window);
*x -= x_window;
*y -= y_window;
}
}
