static void
create_demo_table (GooCanvasItemModel *root,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
GooCanvasItemModel *table, *square, *circle, *triangle;
GooCanvasItem *item;
table = goo_canvas_table_model_new (root,
"row-spacing", 4.0,
"column-spacing", 4.0,
"width", width,
"height", height,
NULL);
goo_canvas_item_model_translate (table, x, y);
square = goo_canvas_rect_model_new (table, 0.0, 0.0, 50.0, 50.0,
"fill-color", "red",
NULL);
goo_canvas_item_model_set_child_properties (table, square,
"row", 0,
"column", 0,
"x-shrink", TRUE,
NULL);
item = goo_canvas_get_item (canvas, square);
g_object_set_data (G_OBJECT (item), "id", "Red square");
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), NULL);
circle = goo_canvas_ellipse_model_new (table, 0.0, 0.0, 25.0, 25.0,
"fill-color", "blue",
NULL);
goo_canvas_item_model_set_child_properties (table, circle,
"row", 0,
"column", 1,
"x-shrink", TRUE,
NULL);
item = goo_canvas_get_item (canvas, circle);
g_object_set_data (G_OBJECT (item), "id", "Blue circle");
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), NULL);
triangle = goo_canvas_polyline_model_new (table, TRUE, 3,
25.0, 0.0, 0.0, 50.0, 50.0, 50.0,
"fill-color", "yellow",
NULL);
goo_canvas_item_model_set_child_properties (table, triangle,
"row", 0,
"column", 2,
"x-shrink", TRUE,
NULL);
item = goo_canvas_get_item (canvas, triangle);
g_object_set_data (G_OBJECT (item), "id", "Yellow triangle");
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), NULL);
}
static GooCanvasItemModel*
create_model (GdkPixbuf *pixbuf)
{
GooCanvasItemModel *root;
GooCanvasItemModel *item;
GooCanvasItemModel* child;
root = goo_canvas_group_model_new (NULL, NULL);
/* Test clipping of GooCanvasGroup: We put the rectangle and the ellipse into
* a group with width=200 and height=200. */
item = goo_canvas_group_model_new (root, "x", 50.0, "y", 350.0, "width", 200.0, "height", 200.0, NULL);
/*goo_canvas_item_model_rotate(item, 45.0, 150.0, 450.0);*/
child = goo_canvas_rect_model_new (item, 0.0, 0.0, 100, 100, "fill-color", "blue", NULL);
g_object_set_data (G_OBJECT (child), "setup-dnd-signals", "TRUE");
goo_canvas_item_model_rotate(child, 45.0, 50.0, 50.0);
child = goo_canvas_ellipse_model_new (item, 150, 00, 50, 50, "fill-color", "red", NULL);
g_object_set_data (G_OBJECT (child), "setup-dnd-signals", "TRUE");
item = goo_canvas_polyline_model_new (root, FALSE, 5.0, 250.0, 350.0, 275.0, 400.0, 300.0, 350.0, 325.0, 400.0, 350.0, 350.0, "stroke-color", "cyan", "line-width", 5.0, NULL);
g_object_set_data (G_OBJECT (item), "setup-dnd-signals", "TRUE");
item = goo_canvas_path_model_new (root, "M20,500 C20,450 100,450 100,500", "stroke-color", "green", "line-width", 5.0, NULL);
g_object_set_data (G_OBJECT (item), "setup-dnd-signals", "TRUE");
item = goo_canvas_image_model_new (root, pixbuf, 150, 450, /*"fill-color", "yellow", */NULL);
g_object_unref (pixbuf);
g_object_set_data (G_OBJECT (item), "setup-dnd-signals", "TRUE");
item = goo_canvas_text_model_new (root, "Hello, World!", 250, 450, -1, GOO_CANVAS_ANCHOR_NW, "fill-color", "magenta", "wrap", PANGO_WRAP_WORD_CHAR, NULL);
g_object_set_data (G_OBJECT (item), "setup-dnd-signals", "TRUE");
item = goo_canvas_table_model_new (root, "horz-grid-line-width", 2.0, "vert-grid-line-width", 2.0, "row-spacing", 2.0, "column-spacing", 2.0, NULL);
goo_canvas_item_model_translate (item, 10.0, 10.0);
g_object_set_data (G_OBJECT (item), "setup-dnd-signals", "TRUE");
child = goo_canvas_rect_model_new (item, 10.0, 10.0, 50.0, 50.0, "fill-color", "blue", "x", 10.0, "y", 25.0, NULL);
g_object_set_data (G_OBJECT (child), "setup-dnd-signals", "TRUE");
goo_canvas_item_model_set_child_properties (item, child, "column", 0, "row", 0, "columns", 1, "rows", 1, NULL);
/*goo_canvas_item_model_translate (child, 10.0, 10.0);*/
child = goo_canvas_rect_model_new (item, 0.0, 0.0, 50.0, 50.0, "fill-color", "red", NULL);
g_object_set_data (G_OBJECT (child), "setup-dnd-signals", "TRUE");
goo_canvas_item_model_set_child_properties (item, child, "column", 1, "row", 0, "columns", 1, "rows", 1, NULL);
child = goo_canvas_rect_model_new (item, 0.0, 0.0, 50.0, 50.0, "fill-color", "green", NULL);
g_object_set_data (G_OBJECT (child), "setup-dnd-signals", "TRUE");
goo_canvas_item_model_set_child_properties(item, child, "column", 0, "row", 1, "columns", 1, "rows", 1, NULL);
child = goo_canvas_rect_model_new (item, 0.0, 0.0, 50.0, 50.0, "fill-color", "yellow", NULL);
g_object_set_data (G_OBJECT (child), "setup-dnd-signals", "TRUE");
goo_canvas_item_model_set_child_properties (item, child, "column", 1, "row", 1, "columns", 1, "rows", 1, NULL);
return root;
}
static void
create_width_for_height_table (GooCanvasItemModel *root,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
gdouble rotation)
{
GooCanvasItemModel *table, *model;
GooCanvasItem *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_model_new (root,
#if 1
"width", width,
"height", height,
#endif
NULL);
goo_canvas_item_model_translate (table, x, y);
goo_canvas_item_model_rotate (table, rotation, 0, 0);
model = goo_canvas_rect_model_new (table, 0.0, 0.0, width - 2, 10.0,
"fill-color", "red",
NULL);
goo_canvas_item_model_set_child_properties (table, model,
"row", 0,
"column", 0,
"x-shrink", TRUE,
NULL);
#if 1
model = goo_canvas_text_model_new (table, text, 0, 0, -1, GTK_ANCHOR_NW, NULL);
goo_canvas_item_model_set_child_properties (table, model,
"row", 1,
"column", 0,
"x-expand", TRUE,
"x-fill", TRUE,
"x-shrink", TRUE,
"y-expand", TRUE,
"y-fill", TRUE,
NULL);
item = goo_canvas_get_item (canvas, model);
g_object_set_data (G_OBJECT (item), "id", "Text Item");
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), NULL);
#endif
model = goo_canvas_rect_model_new (table, 0.0, 0.0, width - 2, 10.0,
"fill-color", "red",
NULL);
goo_canvas_item_model_set_child_properties (table, model,
"row", 2,
"column", 0,
"x-shrink", TRUE,
NULL);
}
static void
create_demo_item (GooCanvasItemModel *table,
gint demo_item_type,
gint row,
gint column,
gint rows,
gint columns,
gchar *text)
{
GooCanvasItemModel *model = NULL;
GooCanvasItem *item;
GValue value = { 0 };
guint new_row;
switch (demo_item_type)
{
case DEMO_RECT_ITEM:
model = goo_canvas_rect_model_new (table, 0, 0, 38, 19,
"fill-color", "red",
NULL);
break;
case DEMO_TEXT_ITEM:
model = goo_canvas_text_model_new (table, text, 0, 0, -1, GTK_ANCHOR_NW,
NULL);
break;
}
g_value_init (&value, G_TYPE_UINT);
g_value_set_uint (&value, row);
goo_canvas_item_model_set_child_property (table, model, "row", &value);
g_value_set_uint (&value, column);
goo_canvas_item_model_set_child_property (table, model, "column", &value);
g_value_set_uint (&value, rows);
goo_canvas_item_model_set_child_property (table, model, "rows", &value);
g_value_set_uint (&value, columns);
goo_canvas_item_model_set_child_property (table, model, "columns", &value);
/* Test the get function. */
goo_canvas_item_model_get_child_property (table, model, "row", &value);
new_row = g_value_get_uint (&value);
if (new_row != row)
g_warning ("Got bad row setting: %i should be: %i\n", new_row, row);
#if 1
goo_canvas_item_model_set_child_properties (table, model,
"x-expand", TRUE,
"x-fill", TRUE,
"y-expand", TRUE,
"y-fill", TRUE,
NULL);
#endif
item = goo_canvas_get_item (canvas, model);
g_object_set_data (G_OBJECT (item), "id", text);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), NULL);
}
static GooCanvasItemModel*
create_item (GooCanvasItemModel *table,
gdouble width,
gdouble height,
gint row,
gint column,
gint rows,
gint columns,
gboolean x_expand,
gboolean x_shrink,
gboolean x_fill,
gboolean y_expand,
gboolean y_shrink,
gboolean y_fill)
{
GooCanvasItemModel *model;
model = goo_canvas_rect_model_new (table, 0, 0, width, height,
"fill-color", "red",
NULL);
goo_canvas_item_model_set_child_properties (table, model,
"row", row,
"column", column,
"rows", rows,
"columns", columns,
"x-expand", x_expand,
"x-fill", x_fill,
"x-shrink", x_shrink,
"y-expand", y_expand,
"y-fill", y_fill,
"y-shrink", y_shrink,
NULL);
return model;
}
static void
setup_canvas (GooCanvas *canvas)
{
GooCanvasItemModel *root, *model, *table;
GooCanvasItem *item;
root = goo_canvas_group_model_new (NULL, NULL);
goo_canvas_set_root_item_model (canvas, root);
g_object_unref (root);
/* Plain items without clip path. */
model = goo_canvas_ellipse_model_new (root, 0, 0, 50, 30,
"fill-color", "blue",
NULL);
goo_canvas_item_model_translate (model, 100, 100);
goo_canvas_item_model_rotate (model, 30, 0, 0);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Blue ellipse (unclipped)");
model = goo_canvas_rect_model_new (root, 200, 50, 100, 100,
"fill-color", "red",
"clip-fill-rule", CAIRO_FILL_RULE_EVEN_ODD,
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Red rectangle (unclipped)");
model = goo_canvas_rect_model_new (root, 380, 50, 100, 100,
"fill-color", "yellow",
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Yellow rectangle (unclipped)");
model = goo_canvas_text_model_new (root, "Sample Text", 520, 100, -1, GOO_CANVAS_ANCHOR_NW,
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Text (unclipped)");
/* Clipped items. */
model = goo_canvas_ellipse_model_new (root, 0, 0, 50, 30,
"fill-color", "blue",
"clip-path", "M 0 0 h 100 v 100 h -100 Z",
NULL);
goo_canvas_item_model_translate (model, 100, 300);
goo_canvas_item_model_rotate (model, 30, 0, 0);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Blue ellipse");
model = goo_canvas_rect_model_new (root, 200, 250, 100, 100,
"fill-color", "red",
"clip-path", "M 250 300 h 100 v 100 h -100 Z",
"clip-fill-rule", CAIRO_FILL_RULE_EVEN_ODD,
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Red rectangle");
model = goo_canvas_rect_model_new (root, 380, 250, 100, 100,
"fill-color", "yellow",
"clip-path", "M480,230 l40,100 l-80 0 z",
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Yellow rectangle");
model = goo_canvas_text_model_new (root, "Sample Text", 520, 300, -1, GOO_CANVAS_ANCHOR_NW,
"clip-path", "M535,300 h75 v40 h-75 z",
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Text (unclipped)");
/* Table with clipped items. */
table = goo_canvas_table_model_new (root, NULL);
goo_canvas_item_model_translate (table, 200, 400);
goo_canvas_item_model_rotate (table, 30, 0, 0);
model = goo_canvas_ellipse_model_new (table, 0, 0, 50, 30,
"fill-color", "blue",
"clip-path", "M 0 0 h 100 v 100 h -100 Z",
NULL);
goo_canvas_item_model_translate (model, 100, 300);
goo_canvas_item_model_rotate (model, 30, 0, 0);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Blue ellipse");
model = goo_canvas_rect_model_new (table, 200, 250, 100, 100,
"fill-color", "red",
"clip-path", "M 250 300 h 100 v 100 h -100 Z",
"clip-fill-rule", CAIRO_FILL_RULE_EVEN_ODD,
NULL);
goo_canvas_item_model_set_child_properties (table, model,
"column", 1,
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Red rectangle");
model = goo_canvas_rect_model_new (table, 380, 250, 100, 100,
"fill-color", "yellow",
"clip-path", "M480,230 l40,100 l-80 0 z",
NULL);
goo_canvas_item_model_set_child_properties (table, model,
"column", 2,
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Yellow rectangle");
model = goo_canvas_text_model_new (table, "Sample Text", 520, 300, -1, GOO_CANVAS_ANCHOR_NW,
"clip-path", "M535,300 h75 v40 h-75 z",
NULL);
goo_canvas_item_model_set_child_properties (table, model,
"column", 3,
NULL);
item = goo_canvas_get_item (canvas, model);
g_signal_connect (item, "button_press_event",
G_CALLBACK (on_button_press), "Text (unclipped)");
}
static GooCanvasItemModel*
create_table (GooCanvasItemModel *parent,
gint row,
gint column,
gint embedding_level,
gdouble x,
gdouble y,
gdouble rotation,
gdouble scale,
gint demo_item_type)
{
GooCanvasItemModel *table;
/* Add a few simple items. */
table = goo_canvas_table_model_new (parent,
"row-spacing", 4.0,
"column-spacing", 4.0,
NULL);
goo_canvas_item_model_translate (table, x, y);
#if 1
goo_canvas_item_model_rotate (table, rotation, 0, 0);
#endif
#if 1
goo_canvas_item_model_scale (table, scale, scale);
#endif
if (row != -1)
goo_canvas_item_model_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);
create_table (table, 0, 1, level, 50, 50, 45, 1.0, demo_item_type);
create_table (table, 0, 2, level, 50, 50, 90, 1.0, demo_item_type);
create_table (table, 1, 0, level, 50, 50, 135, 1.0, demo_item_type);
create_table (table, 1, 1, level, 50, 50, 180, 1.5, demo_item_type);
create_table (table, 1, 2, level, 50, 50, 225, 1.0, demo_item_type);
create_table (table, 2, 0, level, 50, 50, 270, 1.0, demo_item_type);
create_table (table, 2, 1, level, 50, 50, 315, 1.0, demo_item_type);
create_table (table, 2, 2, level, 50, 50, 360, 2.0, demo_item_type);
}
else
{
create_demo_item (table, demo_item_type, 0, 0, 1, 1, "(0,0)");
create_demo_item (table, demo_item_type, 0, 1, 1, 1, "(1,0)");
create_demo_item (table, demo_item_type, 0, 2, 1, 1, "(2,0)");
create_demo_item (table, demo_item_type, 1, 0, 1, 1, "(0,1)");
create_demo_item (table, demo_item_type, 1, 1, 1, 1, "(1,1)");
create_demo_item (table, demo_item_type, 1, 2, 1, 1, "(2,1)");
create_demo_item (table, demo_item_type, 2, 0, 1, 1, "(0,2)");
create_demo_item (table, demo_item_type, 2, 1, 1, 1, "(1,2)");
create_demo_item (table, demo_item_type, 2, 2, 1, 1, "(2,2)");
}
return table;
}
