static void
gv_point_tool_button_press(GvTool *tool, GdkEventButton *event)
{
if (event->button == 1)
{
GvVertex vertex;
if (!gv_point_tool_configure(tool)) return;
/* Get pointer location */
gv_view_area_map_pointer(GV_TOOL(tool)->view, event->x, event->y,
&vertex.x, &vertex.y);
if( !gv_tool_check_bounds( GV_TOOL(tool), vertex.x, vertex.y ) )
return;
/* Add a new point */
if( GV_IS_POINT_LAYER(GV_POINT_TOOL(tool)->layer) )
{
gv_point_layer_select_new_point(
GV_POINT_LAYER(GV_POINT_TOOL(tool)->layer),
&vertex);
}
else
{
GvShape *new_point;
new_point = gv_shape_new( GVSHAPE_POINT );
gv_shape_set_xyz( new_point, 0, 0, vertex.x, vertex.y, 0.0 );
gv_shapes_layer_select_new_shape(
GV_SHAPES_LAYER(GV_POINT_TOOL(tool)->layer),
new_point );
}
}
}
static gboolean
gv_rect_tool_button_release(GvTool *r_tool, GdkEventButton *event)
{
GvRectTool *tool = GV_RECT_TOOL(r_tool);
if (event->button == 1 && tool->drawing )
{
GvShape *shape;
if (!gv_rect_tool_configure(tool)) return FALSE;
/* Map pointer position to tail vertex */
gv_view_area_map_pointer(GV_TOOL(tool)->view, event->x, event->y,
&tool->v_tail.x, &tool->v_tail.y);
gv_tool_clamp_to_bounds( GV_TOOL(tool),
&tool->v_tail.x, &tool->v_tail.y );
if( tool->v_tail.x != tool->v_head.x
&& tool->v_tail.y != tool->v_head.y )
{
/* create the new rectangle */
shape = gv_shape_new( GVSHAPE_AREA );
gv_shape_add_node( shape, 0, tool->v_tail.x, tool->v_tail.y, 0 );
gv_shape_add_node( shape, 0, tool->v_tail.x, tool->v_head.y, 0 );
gv_shape_add_node( shape, 0, tool->v_head.x, tool->v_head.y, 0 );
gv_shape_add_node( shape, 0, tool->v_head.x, tool->v_tail.y, 0 );
gv_shape_add_node( shape, 0, tool->v_tail.x, tool->v_tail.y, 0 );
gv_shapes_layer_select_new_shape( GV_SHAPES_LAYER(tool->layer),
shape );
}
tool->drawing = FALSE;
return FALSE;
}
if (event->button == 1 && tool->reshaping )
{
if (!gv_rect_tool_configure(tool)) return FALSE;
/* Reopen undo. Push a memento describing the ring addition */
gv_undo_enable();
gv_undo_open();
/* Map pointer position to tail vertex */
gv_view_area_map_pointer(GV_TOOL(tool)->view, event->x, event->y,
&tool->v_tail.x, &tool->v_tail.y);
gv_rect_tool_reshape( tool, tool->v_tail.x, tool->v_tail.y );
tool->reshaping = FALSE;
}
return FALSE;
}
