static VALUE
rg_initialize(VALUE self, VALUE parent)
{
GooCanvasItem *item;
item = goo_canvas_table_new(RVAL2GCI(parent), NULL);
RB_GOO_CANVAS_ITEM_INITIALIZE(self, item);
G_CHILD_ADD(parent, self);
return Qnil;
}
static void
create_width_for_height_table (GooCanvasItem *root,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gdouble rotation)
{
GooCanvasItem *table, *item;
gchar *text = "This is a long paragraph that will have to be split over a few lines so we can see if its allocated height changes when its allocated width is changed.";
table = goo_canvas_table_new (root,
#if 1
"width", width,
"height", height,
#endif
NULL);
goo_canvas_item_translate (table, x, y);
goo_canvas_item_rotate (table, rotation, 0, 0);
item = goo_canvas_rect_new (table, 0.0, 0.0, width - 2, 10.0,
"fill-color", "red",
NULL);
goo_canvas_item_set_child_properties (table, item,
"row", 0,
"column", 0,
"x-shrink", TRUE,
NULL);
#if 1
item = goo_canvas_text_new (table, text, 0, 0, -1, GOO_CANVAS_ANCHOR_NW, NULL);
goo_canvas_item_set_child_properties (table, item,
"row", 1,
"column", 0,
"x-expand", TRUE,
"x-fill", TRUE,
"x-shrink", TRUE,
"y-expand", TRUE,
"y-fill", TRUE,
NULL);
g_object_set_data (G_OBJECT (item), "id", "Text Item");
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), NULL);
#endif
item = goo_canvas_rect_new (table, 0.0, 0.0, width - 2, 10.0,
"fill-color", "red",
NULL);
goo_canvas_item_set_child_properties (table, item,
"row", 2,
"column", 0,
"x-shrink", TRUE,
NULL);
}
static void
create_demo_table (GooCanvasItem *root,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
GooCanvasItem *table, *square, *circle, *triangle;
table = goo_canvas_table_new (root,
"row-spacing", 4.0,
"column-spacing", 4.0,
"width", width,
"height", height,
NULL);
goo_canvas_item_translate (table, x, y);
square = goo_canvas_rect_new (table, 0.0, 0.0, 50.0, 50.0,
"fill-color", "red",
NULL);
goo_canvas_item_set_child_properties (table, square,
"row", 0,
"column", 0,
"x-shrink", TRUE,
NULL);
g_object_set_data (G_OBJECT (square), "id", "Red square");
g_signal_connect (square, "button_press_event",
G_CALLBACK (on_button_press), NULL);
circle = goo_canvas_ellipse_new (table, 0.0, 0.0, 25.0, 25.0,
"fill-color", "blue",
NULL);
goo_canvas_item_set_child_properties (table, circle,
"row", 0,
"column", 1,
"x-shrink", TRUE,
NULL);
g_object_set_data (G_OBJECT (circle), "id", "Blue circle");
g_signal_connect (circle, "button_press_event",
G_CALLBACK (on_button_press), NULL);
triangle = goo_canvas_polyline_new (table, TRUE, 3,
25.0, 0.0, 0.0, 50.0, 50.0, 50.0,
"fill-color", "yellow",
NULL);
goo_canvas_item_set_child_properties (table, triangle,
"row", 0,
"column", 2,
"x-shrink", TRUE,
NULL);
g_object_set_data (G_OBJECT (triangle), "id", "Yellow triangle");
g_signal_connect (triangle, "button_press_event",
G_CALLBACK (on_button_press), NULL);
}
static GooCanvasItem*
create_table (GooCanvasItem *parent,
gint row,
gint column,
gint embedding_level,
gdouble x,
gdouble y,
gdouble rotation,
gdouble scale,
gint demo_item_type,
gboolean show_grid_lines)
{
GooCanvasItem *table;
/* Add a few simple items. */
table = goo_canvas_table_new (parent,
"row-spacing", 4.0,
"column-spacing", 4.0,
NULL);
if (show_grid_lines)
g_object_set (table,
"horz-grid-line-width", 1.0f,
"vert-grid-line-width", 1.0f,
NULL);
goo_canvas_item_translate (table, x, y);
#if 1
goo_canvas_item_rotate (table, rotation, 0, 0);
#endif
#if 1
goo_canvas_item_scale (table, scale, scale);
#endif
if (row != -1)
goo_canvas_item_set_child_properties (parent, table,
"row", row,
"column", column,
#if 1
"x-expand", TRUE,
"x-fill", TRUE,
#endif
#if 0
"y-expand", TRUE,
"y-fill", TRUE,
#endif
NULL);
if (embedding_level)
{
gint level = embedding_level - 1;
create_table (table, 0, 0, level, 50, 50, 0, 0.7, demo_item_type,
show_grid_lines);
create_table (table, 0, 1, level, 50, 50, 45, 1.0, demo_item_type,
show_grid_lines);
create_table (table, 0, 2, level, 50, 50, 90, 1.0, demo_item_type,
show_grid_lines);
create_table (table, 1, 0, level, 50, 50, 135, 1.0, demo_item_type,
show_grid_lines);
create_table (table, 1, 1, level, 50, 50, 180, 1.5, demo_item_type,
show_grid_lines);
create_table (table, 1, 2, level, 50, 50, 225, 1.0, demo_item_type,
show_grid_lines);
create_table (table, 2, 0, level, 50, 50, 270, 1.0, demo_item_type,
show_grid_lines);
create_table (table, 2, 1, level, 50, 50, 315, 1.0, demo_item_type,
show_grid_lines);
create_table (table, 2, 2, level, 50, 50, 360, 2.0, demo_item_type,
show_grid_lines);
}
else if (demo_item_type == DEMO_TEXT_ITEM_2)
{
create_demo_item (table, demo_item_type, 0, 0, 1, 1,
"(0.0,0.0)\nleft\naligned",
-1, 0, 0, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 0, 1, 1, 1,
"(0.5,0.0)\ncenter\naligned",
-1, 0.5, 0, PANGO_ALIGN_CENTER);
create_demo_item (table, demo_item_type, 0, 2, 1, 1,
"(1.0,0.0)\nright\naligned",
-1, 1, 0, PANGO_ALIGN_RIGHT);
/* The layout width shouldn't really make any difference in this test. */
create_demo_item (table, demo_item_type, 1, 0, 1, 1,
"(0.5,0.5)\ncenter\naligned",
50, 0.5, 0.5, PANGO_ALIGN_CENTER);
create_demo_item (table, demo_item_type, 1, 1, 1, 1,
"(0.0,1.0)\nright\naligned",
100, 0, 1.0, PANGO_ALIGN_RIGHT);
create_demo_item (table, demo_item_type, 1, 2, 1, 1,
"(0.0,0.5)\nleft\naligned",
200, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 2, 0, 1, 1,
"(1.0,1.0)\ncenter\naligned",
-1, 1, 1, PANGO_ALIGN_CENTER);
create_demo_item (table, demo_item_type, 2, 1, 1, 1,
"(1,0.5)\nright\naligned",
-1, 1.0, 0.5, PANGO_ALIGN_RIGHT);
create_demo_item (table, demo_item_type, 2, 2, 1, 1,
"(0.0,0.0)\nleft\naligned",
-1, 0, 0, PANGO_ALIGN_LEFT);
}
else if (demo_item_type == DEMO_TEXT_ITEM_3)
{
create_demo_item (table, demo_item_type, 0, 0, 1, 1,
"width 50 align 0.0, 0.0 text left aligned",
50, 0, 0, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 0, 1, 1, 1,
"width 100 align 0.5, 0.0 text center aligned",
100, 0.5, 0, PANGO_ALIGN_CENTER);
create_demo_item (table, demo_item_type, 0, 2, 1, 1,
"width 150 align 1.0, 0.0 text right aligned",
150, 1, 0, PANGO_ALIGN_RIGHT);
create_demo_item (table, demo_item_type, 1, 0, 1, 1,
"width 50 align 0.5, 0.5 text center aligned",
50, 0.5, 0.5, PANGO_ALIGN_CENTER);
create_demo_item (table, demo_item_type, 1, 1, 1, 1,
"width 100 align 0.0, 1.0 text right aligned",
100, 0, 1.0, PANGO_ALIGN_RIGHT);
create_demo_item (table, demo_item_type, 1, 2, 1, 1,
"width 200 align 0.0, 0.5 text left aligned",
200, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 2, 0, 1, 1,
"width 50 align 1.0, 1.0 text center aligned",
50, 1, 1, PANGO_ALIGN_CENTER);
create_demo_item (table, demo_item_type, 2, 1, 1, 1,
"width 100 align 1, 0.5 text right aligned",
100, 1.0, 0.5, PANGO_ALIGN_RIGHT);
create_demo_item (table, demo_item_type, 2, 2, 1, 1,
"width 50 align 0.0, 0.0 text left aligned",
50, 0, 0, PANGO_ALIGN_LEFT);
}
else
{
create_demo_item (table, demo_item_type, 0, 0, 1, 1, "(0,0)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 0, 1, 1, 1, "(1,0)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 0, 2, 1, 1, "(2,0)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 1, 0, 1, 1, "(0,1)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 1, 1, 1, 1, "(1,1)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 1, 2, 1, 1, "(2,1)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 2, 0, 1, 1, "(0,2)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 2, 1, 1, 1, "(1,2)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
create_demo_item (table, demo_item_type, 2, 2, 1, 1, "(2,2)",
-1, 0, 0.5, PANGO_ALIGN_LEFT);
}
return table;
}