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Fix alignment problems with text cell renderers

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When set to PANGO_ALIGN_CENTER, text was rendered off-center
by the amount of 'free space' that the PangoLayout left (ie
the x returned by pango_layout_get_pixel_extents).
This commit is contained in:
Matthias Clasen 2011-01-22 23:23:46 -05:00
parent 936f74c762
commit 09bf05bd57
1 changed files with 10 additions and 7 deletions
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15
gtk/gtkcellrenderertext.c
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@ -1743,14 +1743,14 @@ get_size (GtkCellRenderer *cell,
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) - rect.x);
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);
@ -1771,7 +1771,7 @@ get_size (GtkCellRenderer *cell,
*height = ypad * 2 + rect.height;
if (width)
*width = xpad * 2 + rect.x + rect.width;
*width = xpad * 2 + rect.width;
g_object_unref (layout);
}
@ -1792,6 +1792,7 @@ gtk_cell_renderer_text_render (GtkCellRenderer *cell,
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);
@ -1820,8 +1821,7 @@ gtk_cell_renderer_text_render (GtkCellRenderer *cell,
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);
@ -1836,6 +1836,9 @@ gtk_cell_renderer_text_render (GtkCellRenderer *cell,
else if (priv->wrap_width == -1)
pango_layout_set_width (layout, -1);
pango_layout_get_pixel_extents (layout, NULL, &rect);
x_offset = x_offset - rect.x;
cairo_save (cr);
gdk_cairo_rectangle (cr, cell_area);