static void
etgc_add_array (ETableGroup *etg, const int *array, int count)
{
int i;
ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
void *lastval = NULL;
int laststart = 0;
GCompareFunc comp = etgc->ecol->compare;
ETableGroupContainerChildNode *child_node;
ETableGroup *child;
if (count <= 0)
return;
e_table_group_container_list_free (etgc);
etgc->children = NULL;
lastval = e_table_model_value_at (etg->model, etgc->ecol->col_idx, array[0]);
for (i = 1; i < count; i++) {
void *val = e_table_model_value_at (etg->model, etgc->ecol->col_idx, array[i]);
int comp_val;
comp_val = (*comp)(lastval, val);
if (comp_val != 0) {
child_node = create_child_node(etgc, lastval);
child = child_node->child;
e_table_group_add_array(child, array + laststart, i - laststart);
child_node->count = i - laststart;
etgc->children = g_list_append (etgc->children, child_node);
compute_text (etgc, child_node);
laststart = i;
lastval = val;
}
}
child_node = create_child_node(etgc, lastval);
child = child_node->child;
e_table_group_add_array(child, array + laststart, i - laststart);
child_node->count = i - laststart;
etgc->children = g_list_append (etgc->children, child_node);
compute_text (etgc, child_node);
e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));
}
static gboolean
etgc_remove (ETableGroup *etg, gint row)
{
ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER(etg);
GList *list;
for (list = etgc->children ; list; list = g_list_next (list)) {
ETableGroupContainerChildNode *child_node = list->data;
ETableGroup *child = child_node->child;
if (e_table_group_remove (child, row)) {
child_node->count --;
if (child_node->count == 0) {
e_table_group_container_child_node_free (etgc, child_node);
etgc->children = g_list_remove (etgc->children, child_node);
g_free (child_node);
} else
compute_text (etgc, child_node);
e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));
return TRUE;
}
}
return FALSE;
}
static void
mbr_update_data(Mbr *mbr)
{
Connection *conn = &mbr->connection;
DiaObject *obj = &conn->object;
Rectangle rect;
Point p1,p2;
Point p3,p4;
gchar *text;
/* Too complex to easily decide -- this is essentially a bezier curve */
/*
if (connpoint_is_autogap(conn->endpoint_handles[0].connected_to) ||
connpoint_is_autogap(conn->endpoint_handles[1].connected_to)) {
connection_adjust_for_autogap(conn);
}
*/
obj->position = conn->endpoints[0];
mbr->pm_handle.pos = mbr->pm;
connection_update_handles(conn);
connection_update_boundingbox(conn);
/* text width */
text=compute_text(mbr);
mbr->text_width = dia_font_string_width(text, mbr_font, MBR_DECFONTHEIGHT);
mbr->text_ascent = dia_font_ascent(text, mbr_font, MBR_DECFONTHEIGHT);
/* endpoint */
p1 = conn->endpoints[0];
p2 = conn->endpoints[1];
/* bezier */
compute_line(&p1,&p2,&mbr->pm,mbr->line);
/* Add boundingbox for mid decoration (slightly overestimated) : */
p3.x=mbr->pm.x-MBR_DEC_SIZE;
p3.y=mbr->pm.y-MBR_DEC_SIZE;
p4.x=p3.x+MBR_DEC_SIZE*2;
p4.y=p3.y+MBR_DEC_SIZE*2;
rect.left=p3.x;
rect.right=p4.x;
rect.top=p3.y;
rect.bottom=p4.y;
rectangle_union(&obj->bounding_box, &rect);
/* Add boundingbox for text: */
rect.left = mbr->pm.x-mbr->text_width/2;
rect.right = rect.left + mbr->text_width;
rect.top = mbr->pm.y - mbr->text_ascent;
rect.bottom = rect.top + MBR_DECFONTHEIGHT;
rectangle_union(&obj->bounding_box, &rect);
g_free(text); /* free auxilliary text */
}
static void
etgc_add (ETableGroup *etg, gint row)
{
ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg);
void *val = e_table_model_value_at (etg->model, etgc->ecol->col_idx, row);
GCompareFunc comp = etgc->ecol->compare;
GList *list = etgc->children;
ETableGroup *child;
ETableGroupContainerChildNode *child_node;
int i = 0;
for (; list; list = g_list_next (list), i++){
int comp_val;
child_node = list->data;
comp_val = (*comp)(child_node->key, val);
if (comp_val == 0) {
child = child_node->child;
child_node->count ++;
e_table_group_add (child, row);
compute_text (etgc, child_node);
return;
}
if ((comp_val > 0 && etgc->ascending) ||
(comp_val < 0 && (!etgc->ascending)))
break;
}
child_node = create_child_node (etgc, val);
child = child_node->child;
child_node->count = 1;
e_table_group_add (child, row);
if (list)
etgc->children = g_list_insert (etgc->children, child_node, i);
else
etgc->children = g_list_append (etgc->children, child_node);
compute_text (etgc, child_node);
e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc));
}
/* drawing here -- TBD inverse flow ?? */
static void
mbr_draw(Mbr *mbr, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point *endpoints;
Point p1,p2,pm1,pm2;
Point pa1,pa2;
Arrow arrow;
gchar *annot;
double k,dx,dy,dxn,dyn,dxp,dyp;
/* some asserts */
assert(mbr != NULL);
assert(renderer != NULL);
/* arrow type */
if (mbr->type!=MBR_CONFLICTS)
arrow.type = ARROW_FILLED_TRIANGLE;
else
arrow.type = ARROW_NONE;
arrow.length = MBR_ARROWLEN;
arrow.width = MBR_ARROWWIDTH;
endpoints = &mbr->connection.endpoints[0];
/* some computations */
p1 = endpoints[0]; /* could reverse direction here */
p2 = endpoints[1];
/** drawing directed line **/
renderer_ops->set_linewidth(renderer, MBR_WIDTH);
renderer_ops->set_linecaps(renderer, LINECAPS_BUTT);
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
dx=p1.x-p2.x;
dy=p1.y-p2.y;
k=sqrt(dx*dx+dy*dy)*2/MBR_DEC_SIZE;
if (k<0.05) { /* bug fix for closed bezier */
renderer_ops->draw_line_with_arrows(renderer,&p1,&p2,MBR_WIDTH,&MBR_FG_COLOR,NULL, &arrow);
} else {
renderer_ops->draw_bezier_with_arrows(renderer, mbr->line, 3, MBR_WIDTH, &MBR_FG_COLOR, NULL, &arrow);
}
/** drawing vector decoration **/
/* red line for obstruction */
k=k*2/MBR_DEC_SIZE;
dxn=dx/k;
dyn=dy/k;
dxp=-dyn;
dyp=dxn;
if (mbr->type==MBR_OBSTRUCTS) {
pm1.x=mbr->pm.x-dxp;
pm1.y=mbr->pm.y-dyp;
pm2.x=mbr->pm.x+dxp;
pm2.y=mbr->pm.y+dyp;
renderer_ops->set_linewidth(renderer, MBR_WIDTH*2);
renderer_ops->draw_line_with_arrows(renderer,&pm1,&pm2,MBR_WIDTH,&MBR_RED_COLOR,NULL,NULL);
}
if (mbr->type==MBR_CONFLICTS) {
pm1.x=mbr->pm.x-dxn-dxp;
pm1.y=mbr->pm.y-dyn-dyp;
pm2.x=mbr->pm.x+dxn+dxp;
pm2.y=mbr->pm.y+dyn+dyp;
renderer_ops->set_linewidth(renderer, MBR_WIDTH*2);
renderer_ops->draw_line_with_arrows(renderer,&pm1,&pm2,MBR_WIDTH,&MBR_RED_COLOR,NULL,NULL);
pm1.x=mbr->pm.x-dxn+dxp;
pm1.y=mbr->pm.y-dyn+dyp;
pm2.x=mbr->pm.x+dxn-dxp;
pm2.y=mbr->pm.y+dyn-dyp;
renderer_ops->draw_line_with_arrows(renderer,&pm1,&pm2,MBR_WIDTH,&MBR_RED_COLOR,NULL,NULL);
}
/** writing decoration text **/
annot=compute_text(mbr);
renderer_ops->set_font(renderer, mbr_font, MBR_DECFONTHEIGHT);
if (annot && strlen(annot) != 0) {
pa1.x=mbr->pm.x-mbr->text_width/2;
pa1.y=mbr->pm.y-mbr->text_ascent +0.1; /* with some fix... */
pa2.x=pa1.x+mbr->text_width;
pa2.y=pa1.y+MBR_DECFONTHEIGHT +0.1; /* with some fix... */
renderer_ops->fill_rect(renderer,&pa1,&pa2,&color_white);
renderer_ops->draw_string(renderer,annot,&mbr->pm,ALIGN_CENTER,&MBR_FG_COLOR);
}
g_free(annot);
}
