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Add an ellipsize property with getter and setter. (#156845, Morten

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2004-10-31  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtkprogressbar.[hc]: Add an ellipsize property with
	getter and setter.  (#156845, Morten Welinder)
This commit is contained in:
Matthias Clasen
2004-10-31 04:36:50 +00:00
committed by Matthias Clasen
parent 819e36e5cb
commit 19fad93243
6 changed files with 135 additions and 14 deletions
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5
ChangeLog
View File

@@ -1,3 +1,8 @@
2004-10-31 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkprogressbar.[hc]: Add an ellipsize property with
getter and setter. (#156845, Morten Welinder)
2004-10-29 Robert Ögren <gtk@roboros.com>
* gdk/win32/gdkwindow-win32.c (gdk_window_begin_resize_drag),

5
ChangeLog.pre-2-10
View File

@@ -1,3 +1,8 @@
2004-10-31 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkprogressbar.[hc]: Add an ellipsize property with
getter and setter. (#156845, Morten Welinder)
2004-10-29 Robert Ögren <gtk@roboros.com>
* gdk/win32/gdkwindow-win32.c (gdk_window_begin_resize_drag),

5
ChangeLog.pre-2-6
View File

@@ -1,3 +1,8 @@
2004-10-31 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkprogressbar.[hc]: Add an ellipsize property with
getter and setter. (#156845, Morten Welinder)
2004-10-29 Robert Ögren <gtk@roboros.com>
* gdk/win32/gdkwindow-win32.c (gdk_window_begin_resize_drag),

5
ChangeLog.pre-2-8
View File

@@ -1,3 +1,8 @@
2004-10-31 Matthias Clasen <mclasen@redhat.com>
* gtk/gtkprogressbar.[hc]: Add an ellipsize property with
getter and setter. (#156845, Morten Welinder)
2004-10-29 Robert Ögren <gtk@roboros.com>
* gdk/win32/gdkwindow-win32.c (gdk_window_begin_resize_drag),

125
gtk/gtkprogressbar.c
View File

@@ -54,6 +54,7 @@ enum {
PROP_PULSE_STEP,
PROP_ORIENTATION,
PROP_TEXT,
PROP_ELLIPSIZE,
/* Deprecated args */
PROP_ADJUSTMENT,
@@ -221,6 +222,29 @@ gtk_progress_bar_class_init (GtkProgressBarClass *class)
"%P %%",
G_PARAM_READWRITE));
/**
* GtkProgressBar:ellipsize:
*
* The preferred place to ellipsize the string, if the progressbar does
* not have enough room to display the entire string, specified as a
* #PangoEllisizeMode.
*
* Note that setting this property to a value other than
* %PANGO_ELLIPSIZE_NONE has the side-effect that the progressbar requests
* only enough space to display the ellipsis "...". Another means to set a
* progressbar's width is gtk_widget_set_size_request().
*
* Since: 2.6
*/
g_object_class_install_property (gobject_class,
PROP_ELLIPSIZE,
g_param_spec_enum ("ellipsize",
P_("Ellipsize"),
P_("The preferred place to ellipsize the string, if the progressbar does not have enough room to display the entire string, if at all"),
PANGO_TYPE_ELLIPSIZE_MODE,
PANGO_ELLIPSIZE_NONE,
G_PARAM_READWRITE));
}
static void
@@ -235,6 +259,7 @@ gtk_progress_bar_init (GtkProgressBar *pbar)
pbar->activity_dir = 1;
pbar->activity_step = 3;
pbar->activity_blocks = 5;
pbar->ellipsize = PANGO_ELLIPSIZE_NONE;
}
static void
@@ -277,6 +302,9 @@ gtk_progress_bar_set_property (GObject *object,
case PROP_TEXT:
gtk_progress_bar_set_text (pbar, g_value_get_string (value));
break;
case PROP_ELLIPSIZE:
gtk_progress_bar_set_ellipsize (pbar, g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -322,6 +350,9 @@ gtk_progress_bar_get_property (GObject *object,
case PROP_TEXT:
g_value_set_string (value, gtk_progress_bar_get_text (pbar));
break;
case PROP_ELLIPSIZE:
g_value_set_enum (value, pbar->ellipsize);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -462,6 +493,7 @@ gtk_progress_bar_size_request (GtkWidget *widget,
gchar *buf;
PangoRectangle logical_rect;
PangoLayout *layout;
gint width, height;
g_return_if_fail (GTK_IS_PROGRESS_BAR (widget));
g_return_if_fail (requisition != NULL);
@@ -469,6 +501,9 @@ gtk_progress_bar_size_request (GtkWidget *widget,
progress = GTK_PROGRESS (widget);
pbar = GTK_PROGRESS_BAR (widget);
width = 2 * widget->style->xthickness + 3 + 2 * TEXT_SPACING;
height = 2 * widget->style->ythickness + 3 + 2 * TEXT_SPACING;
if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE)
{
if (!progress->adjustment)
@@ -477,8 +512,29 @@ gtk_progress_bar_size_request (GtkWidget *widget,
buf = gtk_progress_get_text_from_value (progress, progress->adjustment->upper);
layout = gtk_widget_create_pango_layout (widget, buf);
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
if (pbar->ellipsize)
{
PangoContext *context;
PangoFontMetrics *metrics;
gint char_width;
/* The minimum size for ellipsized text is ~ 3 chars */
context = pango_layout_get_context (layout);
metrics = pango_context_get_metrics (context, widget->style->font_desc, NULL);
char_width = pango_font_metrics_get_approximate_char_width (metrics);
pango_font_metrics_unref (metrics);
width += PANGO_PIXELS (char_width) * 3;
}
else
width += logical_rect.width;
height += logical_rect.height;
g_object_unref (layout);
g_free (buf);
}
@@ -488,13 +544,8 @@ gtk_progress_bar_size_request (GtkWidget *widget,
{
if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE)
{
requisition->width = MAX (MIN_HORIZONTAL_BAR_WIDTH,
2 * widget->style->xthickness + 3 +
logical_rect.width + 2 * TEXT_SPACING);
requisition->height = MAX (MIN_HORIZONTAL_BAR_HEIGHT,
2 * widget->style->ythickness + 3 +
logical_rect.height + 2 * TEXT_SPACING);
requisition->width = MAX (MIN_HORIZONTAL_BAR_WIDTH, width);
requisition->height = MAX (MIN_HORIZONTAL_BAR_HEIGHT, height);
}
else
{
@@ -506,13 +557,8 @@ gtk_progress_bar_size_request (GtkWidget *widget,
{
if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE)
{
requisition->width = MAX (MIN_VERTICAL_BAR_WIDTH,
2 * widget->style->xthickness + 3 +
logical_rect.width + 2 * TEXT_SPACING);
requisition->height = MAX (MIN_VERTICAL_BAR_HEIGHT,
2 * widget->style->ythickness + 3 +
logical_rect.height + 2 * TEXT_SPACING);
requisition->width = MAX (MIN_VERTICAL_BAR_WIDTH, width);
requisition->height = MAX (MIN_VERTICAL_BAR_HEIGHT, height);
}
else
{
@@ -737,6 +783,10 @@ gtk_progress_bar_paint_text (GtkProgressBar *pbar,
buf = gtk_progress_get_current_text (progress);
layout = gtk_widget_create_pango_layout (widget, buf);
pango_layout_set_ellipsize (layout, pbar->ellipsize);
if (pbar->ellipsize)
pango_layout_set_width (layout, widget->allocation.width * PANGO_SCALE);
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
x = widget->style->xthickness + 1 +
@@ -1174,3 +1224,50 @@ gtk_progress_bar_set_activity_blocks (GtkProgressBar *pbar,
gtk_progress_bar_set_activity_blocks_internal (pbar, blocks);
}
/**
* gtk_progress_bar_set_ellipsize:
* @pbar: a #GtkProgressBar
* @mode: a #PangoEllipsizeMode
*
* Sets the mode used to ellipsize (add an ellipsis: "...") the text
* if there is not enough space to render the entire string.
*
* Since: 2.6
**/
void
gtk_progress_bar_set_ellipsize (GtkProgressBar *pbar,
PangoEllipsizeMode mode)
{
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
g_return_if_fail (mode >= PANGO_ELLIPSIZE_NONE &&
mode <= PANGO_ELLIPSIZE_END);
if ((PangoEllipsizeMode)pbar->ellipsize != mode)
{
pbar->ellipsize = mode;
g_object_notify (G_OBJECT (pbar), "ellipsize");
gtk_widget_queue_resize (GTK_WIDGET (pbar));
}
}
/**
* gtk_pgrogress_bar_get_ellipsize:
* @pbar: a #GtkProgressBar
*
* Returns the ellipsizing position of the progressbar.
* See gtk_progress_bar_set_ellipsize().
*
* Return value: #PangoEllipsizeMode
*
* Since: 2.6
**/
PangoEllipsizeMode
gtk_progress_bar_get_ellipsize (GtkProgressBar *pbar)
{
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), PANGO_ELLIPSIZE_NONE);
return pbar->ellipsize;
}

4
gtk/gtkprogressbar.h
View File

@@ -79,6 +79,7 @@ struct _GtkProgressBar
gdouble pulse_fraction;
guint activity_dir : 1;
guint ellipsize : 3;
};
struct _GtkProgressBarClass
@@ -139,6 +140,9 @@ gdouble gtk_progress_bar_get_fraction (GtkProgressBar *pbar);
gdouble gtk_progress_bar_get_pulse_step (GtkProgressBar *pbar);
GtkProgressBarOrientation gtk_progress_bar_get_orientation (GtkProgressBar *pbar);
void gtk_progress_bar_set_ellipsize (GtkProgressBar *pbar,
PangoEllipsizeMode mode);
PangoEllipsizeMode gtk_progress_bar_get_ellipsize (GtkProgressBar *pbar);
#ifndef GTK_DISABLE_DEPRECATED