* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtktreeprivate.h"
+#include "a11y/gtktextcellaccessible.h"
/**
gint width,
gint *minimum_height,
gint *natural_height);
+static void gtk_cell_renderer_text_get_aligned_area (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GtkCellRendererState flags,
+ const GdkRectangle *cell_area,
+ GdkRectangle *aligned_area);
+
+
enum {
EDITED,
PROP_MAX_WIDTH_CHARS,
PROP_WRAP_WIDTH,
PROP_ALIGN,
-
+ PROP_PLACEHOLDER_TEXT,
+
/* Style args */
PROP_BACKGROUND,
PROP_FOREGROUND,
{
GtkWidget *entry;
- PangoAlignment align;
PangoAttrList *extra_attrs;
GdkRGBA foreground;
GdkRGBA background;
+ PangoAlignment align;
PangoEllipsizeMode ellipsize;
PangoFontDescription *font;
PangoLanguage *language;
PangoUnderline underline_style;
PangoWrapMode wrap_mode;
- gboolean in_entry_menu;
-
gchar *text;
+ gchar *placeholder_text;
gdouble font_scale;
gint max_width_chars;
gint wrap_width;
+ guint in_entry_menu : 1;
guint strikethrough : 1;
guint editable : 1;
guint scale_set : 1;
cell_class->get_preferred_width = gtk_cell_renderer_text_get_preferred_width;
cell_class->get_preferred_height = gtk_cell_renderer_text_get_preferred_height;
cell_class->get_preferred_height_for_width = gtk_cell_renderer_text_get_preferred_height_for_width;
+ cell_class->get_aligned_area = gtk_cell_renderer_text_get_aligned_area;
g_object_class_install_property (object_class,
PROP_TEXT,
NULL,
GTK_PARAM_WRITABLE));
+ /**
+ * GtkCellRendererText:background-gdk:
+ *
+ * Background color as a #GdkColor
+ *
+ * Deprecated: 3.4: Use #GtkCellRendererText:background-rgba instead.
+ */
g_object_class_install_property (object_class,
PROP_BACKGROUND_GDK,
g_param_spec_boxed ("background-gdk",
P_("Background color"),
P_("Background color as a GdkColor"),
GDK_TYPE_COLOR,
- GTK_PARAM_READWRITE));
+ GTK_PARAM_READWRITE | G_PARAM_DEPRECATED));
/**
* GtkCellRendererText:background-rgba:
NULL,
GTK_PARAM_WRITABLE));
+ /**
+ * GtkCellRendererText:foreground-gdk:
+ *
+ * Foreground color as a #GdkColor
+ *
+ * Deprecated: 3.4: Use #GtkCellRendererText:foreground-rgba instead.
+ */
g_object_class_install_property (object_class,
PROP_FOREGROUND_GDK,
g_param_spec_boxed ("foreground-gdk",
P_("Foreground color"),
P_("Foreground color as a GdkColor"),
GDK_TYPE_COLOR,
- GTK_PARAM_READWRITE));
+ GTK_PARAM_READWRITE | G_PARAM_DEPRECATED));
/**
* GtkCellRendererText:foreground-rgba:
PANGO_TYPE_ALIGNMENT,
PANGO_ALIGN_LEFT,
GTK_PARAM_READWRITE));
-
+
+ /**
+ * GtkCellRendererText:placeholder-text:
+ *
+ * The text that will be displayed in the #GtkCellRenderer if
+ * #GtkCellRendererText:editable is %TRUE and the cell is empty.
+ *
+ * Since 3.6
+ */
+ g_object_class_install_property (object_class,
+ PROP_PLACEHOLDER_TEXT,
+ g_param_spec_string ("placeholder-text",
+ P_("Placeholder text"),
+ P_("Text rendered when an editable cell is empty"),
+ NULL,
+ GTK_PARAM_READWRITE));
/* Style props are set or not */
P_("Whether this tag affects the alignment mode"));
/**
- * GtkCellRendererText::edited
+ * GtkCellRendererText::edited:
* @renderer: the object which received the signal
* @path: the path identifying the edited cell
* @new_text: the new text
G_TYPE_STRING);
g_type_class_add_private (object_class, sizeof (GtkCellRendererTextPrivate));
+
+ gtk_cell_renderer_class_set_accessible_type (cell_class, GTK_TYPE_TEXT_CELL_ACCESSIBLE);
}
static void
pango_font_description_free (priv->font);
g_free (priv->text);
+ g_free (priv->placeholder_text);
if (priv->extra_attrs)
pango_attr_list_unref (priv->extra_attrs);
if (priv->language)
g_object_unref (priv->language);
+ g_clear_object (&priv->entry);
+
G_OBJECT_CLASS (gtk_cell_renderer_text_parent_class)->finalize (object);
}
g_value_set_int (value, priv->max_width_chars);
break;
+ case PROP_PLACEHOLDER_TEXT:
+ g_value_set_string (value, priv->placeholder_text);
+ break;
+
case PROP_BACKGROUND:
case PROP_FOREGROUND:
case PROP_MARKUP:
case PROP_ALIGN_SET:
priv->align_set = g_value_get_boolean (value);
break;
-
+
+ case PROP_PLACEHOLDER_TEXT:
+ g_free (priv->placeholder_text);
+ priv->placeholder_text = g_value_dup_string (value);
+ break;
+
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
return g_object_new (GTK_TYPE_CELL_RENDERER_TEXT, NULL);
}
+static inline gboolean
+show_placeholder_text (GtkCellRendererText *celltext)
+{
+ GtkCellRendererTextPrivate *priv = celltext->priv;
+
+ return priv->editable && priv->placeholder_text &&
+ (!priv->text || !priv->text[0]);
+}
+
static void
add_attr (PangoAttrList *attr_list,
PangoAttribute *attr)
PangoLayout *layout;
PangoUnderline uline;
gint xpad;
+ gboolean placeholder_layout = show_placeholder_text (celltext);
- layout = gtk_widget_create_pango_layout (widget, priv->text);
+ layout = gtk_widget_create_pango_layout (widget, placeholder_layout ?
+ priv->placeholder_text : priv->text);
gtk_cell_renderer_get_padding (GTK_CELL_RENDERER (celltext), &xpad, NULL);
pango_layout_set_single_paragraph_mode (layout, priv->single_paragraph);
- if (cell_area)
+ if (!placeholder_layout && cell_area)
{
/* Add options that affect appearance but not size */
add_attr (attr_list,
pango_attr_strikethrough_new (priv->strikethrough));
}
+ else if (placeholder_layout)
+ {
+ PangoColor color;
+ GtkStyleContext *context;
+ GdkRGBA fg = { 0.5, 0.5, 0.5 };
+
+ context = gtk_widget_get_style_context (widget);
+ gtk_style_context_lookup_color (context, "placeholder_text_color", &fg);
+
+ color.red = CLAMP (fg.red * 65535. + 0.5, 0, 65535);
+ color.green = CLAMP (fg.green * 65535. + 0.5, 0, 65535);
+ color.blue = CLAMP (fg.blue * 65535. + 0.5, 0, 65535);
+
+ add_attr (attr_list,
+ pango_attr_foreground_new (color.red, color.green, color.blue));
+ }
add_attr (attr_list, pango_attr_font_desc_new (priv->font));
if (priv->calc_fixed_height)
{
+ GtkStyleContext *style_context;
+ GtkStateFlags state;
PangoContext *context;
PangoFontMetrics *metrics;
PangoFontDescription *font_desc;
gint row_height;
- font_desc = pango_font_description_copy_static (gtk_widget_get_style (widget)->font_desc);
+ style_context = gtk_widget_get_style_context (widget);
+ state = gtk_widget_get_state_flags (widget);
+
+ gtk_style_context_get (style_context, state, "font", &font_desc, NULL);
pango_font_description_merge_static (font_desc, priv->font, TRUE);
if (priv->scale_set)
pango_layout_get_pixel_extents (layout, NULL, &rect);
- if (height)
- *height = ypad * 2 + rect.height;
-
- /* The minimum size for ellipsized labels is ~ 3 chars */
- if (width)
- {
- if (priv->ellipsize || priv->width_chars > 0)
- {
- PangoContext *context;
- PangoFontMetrics *metrics;
- gint char_width;
-
- context = pango_layout_get_context (layout);
- metrics = pango_context_get_metrics (context,
- gtk_widget_get_style (widget)->font_desc,
- pango_context_get_language (context));
-
- char_width = pango_font_metrics_get_approximate_char_width (metrics);
- pango_font_metrics_unref (metrics);
-
- *width = xpad * 2 + (PANGO_PIXELS (char_width) * MAX (priv->width_chars, 3));
- }
- else
- {
- *width = xpad * 2 + rect.x + rect.width;
- }
- }
-
if (cell_area)
{
gfloat xalign, yalign;
gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
+ rect.height = MIN (rect.height, cell_area->height - 2 * ypad);
+ rect.width = MIN (rect.width, cell_area->width - 2 * xpad);
+
if (x_offset)
{
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
- *x_offset = (1.0 - xalign) * (cell_area->width - (rect.x + rect.width + (2 * xpad)));
+ *x_offset = (1.0 - xalign) * (cell_area->width - (rect.width + (2 * xpad)));
else
- *x_offset = xalign * (cell_area->width - (rect.x + rect.width + (2 * xpad)));
+ *x_offset = xalign * (cell_area->width - (rect.width + (2 * xpad)));
if ((priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE) || priv->wrap_width != -1)
*x_offset = MAX(*x_offset, 0);
if (y_offset) *y_offset = 0;
}
+ if (height)
+ *height = ypad * 2 + rect.height;
+
+ if (width)
+ *width = xpad * 2 + rect.width;
+
g_object_unref (layout);
}
{
GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (cell);
GtkCellRendererTextPrivate *priv = celltext->priv;
+ GtkStyleContext *context;
PangoLayout *layout;
- GtkStateType state;
gint x_offset = 0;
gint y_offset = 0;
gint xpad, ypad;
+ PangoRectangle rect;
layout = get_layout (celltext, widget, cell_area, flags);
get_size (cell, widget, cell_area, layout, &x_offset, &y_offset, NULL, NULL);
+ context = gtk_widget_get_style_context (widget);
- if (!gtk_cell_renderer_get_sensitive (cell))
- {
- state = GTK_STATE_INSENSITIVE;
- }
- else if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
- {
- if (gtk_widget_has_focus (widget))
- state = GTK_STATE_SELECTED;
- else
- state = GTK_STATE_ACTIVE;
- }
- else if ((flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT &&
- gtk_widget_get_state (widget) == GTK_STATE_PRELIGHT)
- {
- state = GTK_STATE_PRELIGHT;
- }
- else
- {
- if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
- state = GTK_STATE_INSENSITIVE;
- else
- state = GTK_STATE_NORMAL;
- }
-
- if (priv->background_set &&
- (flags & GTK_CELL_RENDERER_SELECTED) == 0)
+ if (priv->background_set && (flags & GTK_CELL_RENDERER_SELECTED) == 0)
{
gdk_cairo_rectangle (cr, background_area);
gdk_cairo_set_source_rgba (cr, &priv->background);
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
if (priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE)
- pango_layout_set_width (layout,
+ pango_layout_set_width (layout,
(cell_area->width - x_offset - 2 * xpad) * PANGO_SCALE);
else if (priv->wrap_width == -1)
pango_layout_set_width (layout, -1);
- gtk_paint_layout (gtk_widget_get_style (widget),
- cr,
- state,
- TRUE,
- widget,
- "cellrenderertext",
- cell_area->x + x_offset + xpad,
- cell_area->y + y_offset + ypad,
- layout);
+ pango_layout_get_pixel_extents (layout, NULL, &rect);
+ x_offset = x_offset - rect.x;
+
+ cairo_save (cr);
+
+ gdk_cairo_rectangle (cr, cell_area);
+ cairo_clip (cr);
+
+ gtk_render_layout (context, cr,
+ cell_area->x + x_offset + xpad,
+ cell_area->y + y_offset + ypad,
+ layout);
+
+ cairo_restore (cr);
g_object_unref (layout);
}
priv = GTK_CELL_RENDERER_TEXT (data)->priv;
- priv->entry = NULL;
+ g_clear_object (&priv->entry);
if (priv->focus_out_id > 0)
{
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
- GtkRequisition requisition;
GtkCellRendererText *celltext;
GtkCellRendererTextPrivate *priv;
gfloat xalign, yalign;
gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
priv->entry = gtk_entry_new ();
+ g_object_ref_sink (G_OBJECT (priv->entry));
+
gtk_entry_set_has_frame (GTK_ENTRY (priv->entry), FALSE);
gtk_entry_set_alignment (GTK_ENTRY (priv->entry), xalign);
gtk_editable_select_region (GTK_EDITABLE (priv->entry), 0, -1);
- gtk_widget_get_preferred_size (priv->entry, &requisition, NULL);
- if (requisition.height < cell_area->height)
- {
- GtkBorder *style_border;
- GtkBorder border;
-
- gtk_widget_style_get (priv->entry,
- "inner-border", &style_border,
- NULL);
-
- if (style_border)
- {
- border = *style_border;
- g_boxed_free (GTK_TYPE_BORDER, style_border);
- }
- else
- {
- /* Since boxed style properties can't have default values ... */
- border.left = 2;
- border.right = 2;
- }
-
- border.top = (cell_area->height - requisition.height) / 2;
- border.bottom = (cell_area->height - requisition.height) / 2;
- gtk_entry_set_inner_border (GTK_ENTRY (priv->entry), &border);
- }
-
priv->in_entry_menu = FALSE;
if (priv->entry_menu_popdown_timeout)
{
gint *minimum_size,
gint *natural_size)
{
- GtkCellRendererTextPrivate *priv;
+ GtkCellRendererTextPrivate *priv;
GtkCellRendererText *celltext;
- GtkStyle *style;
PangoLayout *layout;
PangoContext *context;
PangoFontMetrics *metrics;
PangoRectangle rect;
- gint char_width, digit_width, char_pixels, text_width, ellipsize_chars, guess_width, xpad;
+ gint char_width, text_width, ellipsize_chars, xpad;
gint min_width, nat_width;
/* "width-chars" Hard-coded minimum width:
celltext = GTK_CELL_RENDERER_TEXT (cell);
priv = celltext->priv;
- style = gtk_widget_get_style (widget);
-
gtk_cell_renderer_get_padding (cell, &xpad, NULL);
layout = get_layout (celltext, widget, NULL, 0);
- /* Get the layout with the text possibly wrapping at wrap_width */
- pango_layout_get_pixel_extents (layout, NULL, &rect);
- guess_width = rect.width;
-
/* Fetch the length of the complete unwrapped text */
pango_layout_set_width (layout, -1);
pango_layout_get_extents (layout, NULL, &rect);
/* Fetch the average size of a charachter */
context = pango_layout_get_context (layout);
- metrics = pango_context_get_metrics (context, style->font_desc,
- pango_context_get_language (context));
-
+ metrics = pango_context_get_metrics (context,
+ pango_context_get_font_description (context),
+ pango_context_get_language (context));
+
char_width = pango_font_metrics_get_approximate_char_width (metrics);
- digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
- char_pixels = MAX (char_width, digit_width);
pango_font_metrics_unref (metrics);
g_object_unref (layout);
ellipsize_chars = 3;
else
ellipsize_chars = 0;
-
+
if ((priv->ellipsize_set && priv->ellipsize != PANGO_ELLIPSIZE_NONE) || priv->width_chars > 0)
- min_width =
- xpad * 2 + (PANGO_PIXELS (char_width) * MAX (priv->width_chars, ellipsize_chars));
+ min_width = xpad * 2 +
+ MIN (PANGO_PIXELS_CEIL (text_width),
+ (PANGO_PIXELS (char_width) * MAX (priv->width_chars, ellipsize_chars)));
/* If no width-chars set, minimum for wrapping text will be the wrap-width */
else if (priv->wrap_width > -1)
- min_width = xpad * 2 + rect.x + priv->wrap_width;
+ min_width = xpad * 2 + rect.x + MIN (PANGO_PIXELS_CEIL (text_width), priv->wrap_width);
else
- min_width = xpad * 2 + rect.x + guess_width;
+ min_width = xpad * 2 + rect.x + PANGO_PIXELS_CEIL (text_width);
if (priv->width_chars > 0)
- nat_width = xpad * 2 +
- MAX ((PANGO_PIXELS (char_width) * priv->width_chars), PANGO_PIXELS (text_width));
+ nat_width = xpad * 2 +
+ MAX ((PANGO_PIXELS (char_width) * priv->width_chars), PANGO_PIXELS_CEIL (text_width));
else
- nat_width = xpad * 2 + PANGO_PIXELS (text_width);
+ nat_width = xpad * 2 + PANGO_PIXELS_CEIL (text_width);
nat_width = MAX (nat_width, min_width);
-
+
if (priv->max_width_chars > 0)
{
gint max_width = xpad * 2 + PANGO_PIXELS (char_width) * priv->max_width_chars;
if (natural_size)
*natural_size = nat_width;
-
}
static void
gint *minimum_height,
gint *natural_height)
{
- GtkCellRendererTextPrivate *priv;
- GtkCellRendererText *celltext;
- PangoLayout *layout;
- gint text_height, xpad, ypad;
+ GtkCellRendererText *celltext;
+ PangoLayout *layout;
+ gint text_height, xpad, ypad;
celltext = GTK_CELL_RENDERER_TEXT (cell);
- priv = celltext->priv;
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
minimum_size, natural_size);
}
+static void
+gtk_cell_renderer_text_get_aligned_area (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GtkCellRendererState flags,
+ const GdkRectangle *cell_area,
+ GdkRectangle *aligned_area)
+{
+ GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (cell);
+ PangoLayout *layout;
+ gint x_offset = 0;
+ gint y_offset = 0;
+
+ layout = get_layout (celltext, widget, cell_area, flags);
+ get_size (cell, widget, cell_area, layout, &x_offset, &y_offset,
+ &aligned_area->width, &aligned_area->height);
+
+ aligned_area->x = cell_area->x + x_offset;
+ aligned_area->y = cell_area->y + y_offset;
+
+ g_object_unref (layout);
+}
projects / ~andy / gtk / blobdiff