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
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)");
}
GtkWidget *
create_canvas_features (void)
{
GtkWidget *vbox;
GtkWidget *w;
GtkWidget *frame;
GtkWidget *canvas;
GooCanvasItemModel *root, *item;
GooCanvasItemModel *parent1;
GooCanvasItemModel *parent2;
GooCanvasItemModel *group;
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
g_object_set (vbox, "margin", 4, NULL);
gtk_widget_show (vbox);
/* Instructions */
w = gtk_label_new ("Reparent test: click on the items to switch them between parents");
gtk_box_pack_start (GTK_BOX (vbox), w, FALSE, FALSE);
gtk_widget_show (w);
/* Frame and canvas */
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE);
gtk_widget_show (frame);
g_object_set (frame,
"halign", GTK_ALIGN_CENTER,
"valign", GTK_ALIGN_CENTER,
NULL);
canvas = goo_canvas_new ();
g_signal_connect (canvas, "item_created",
G_CALLBACK (on_item_created), NULL);
root = goo_canvas_group_model_new (NULL, NULL);
gtk_widget_set_size_request (canvas, 400, 200);
goo_canvas_set_bounds (GOO_CANVAS (canvas), 0, 0, 400, 200);
gtk_container_add (GTK_CONTAINER (frame), canvas);
gtk_widget_show (canvas);
/* First parent and box */
parent1 = goo_canvas_group_model_new (root, NULL);
goo_canvas_rect_model_new (parent1, 0, 0, 200, 200,
"fill_color", "tan",
NULL);
/* Second parent and box */
parent2 = goo_canvas_group_model_new (root, NULL);
goo_canvas_item_model_translate (parent2, 200, 0);
goo_canvas_rect_model_new (parent2, 0, 0, 200, 200,
"fill_color", "#204060",
NULL);
/* Big circle to be reparented */
item = goo_canvas_ellipse_model_new (parent1, 100, 100, 90, 90,
"stroke_color", "black",
"fill_color", "mediumseagreen",
"line-width", 3.0,
NULL);
g_object_set_data (G_OBJECT (item), "parent1", parent1);
g_object_set_data (G_OBJECT (item), "parent2", parent2);
#if 0
g_signal_connect (G_OBJECT (item), "event",
G_CALLBACK (item_event),
NULL);
#endif
/* A group to be reparented */
group = goo_canvas_group_model_new (parent2, NULL);
goo_canvas_item_model_translate (group, 100, 100);
goo_canvas_ellipse_model_new (group, 0, 0, 50, 50,
"stroke_color", "black",
"fill_color", "wheat",
"line_width", 3.0,
NULL);
goo_canvas_ellipse_model_new (group, 0, 0, 25, 25,
"fill_color", "steelblue",
NULL);
g_object_set_data (G_OBJECT (group), "parent1", parent1);
g_object_set_data (G_OBJECT (group), "parent2", parent2);
#if 0
g_signal_connect (G_OBJECT (group), "event",
G_CALLBACK (item_event),
NULL);
#endif
goo_canvas_set_root_item_model (GOO_CANVAS (canvas), root);
g_object_unref (root);
/* Done */
return vbox;
}