*
* Tint2 : area
*
-* Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
+* Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) from Omega distribution
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* - if 'size' changed then 'resize = 1' on the parent
* 2) browse tree SIZE_BY_LAYOUT and POSITION
* - resize SIZE_BY_LAYOUT node : parent is resized before children
- * - if 'size' changed then 'resize = 1' on childs with SIZE_BY_LAYOUT
* - calculate position (posx,posy) : parent is calculated before children
* - if 'position' changed then 'redraw = 1'
* 3) browse tree REDRAW
void rendering(void *obj)
{
Panel *panel = (Panel*)obj;
-
+
size_by_content(&panel->area);
- size_by_layout(&panel->area, 0, 0);
+ size_by_layout(&panel->area, 0, 1);
refresh(&panel->area);
}
if (a->_resize) {
if (a->_resize(a)) {
- // 'size' changed => 'resize = 1' on the parent and redraw object
+ // 'size' changed => 'resize = 1' on the parent
((Area*)a->parent)->resize = 1;
a->on_changed = 1;
- a->redraw = 1;
}
}
}
a->resize = 0;
if (a->_resize) {
- if (a->_resize(a)) {
- // if 'size' changed then 'resize = 1' on childs with SIZE_BY_LAYOUT
- a->on_changed = 1;
- for (l = a->list; l ; l = l->next) {
- if (((Area*)l->data)->size_mode == SIZE_BY_LAYOUT)
- ((Area*)l->data)->resize = 1;
- }
+ a->_resize(a);
+ // resize childs with SIZE_BY_LAYOUT
+ for (l = a->list; l ; l = l->next) {
+ Area *child = ((Area*)l->data);
+ if (child->size_mode == SIZE_BY_LAYOUT && child->list)
+ child->resize = 1;
}
}
}
// pos changed => redraw
child->posx = pos;
child->on_changed = 1;
- child->redraw = 1;
}
}
else {
// pos changed => redraw
child->posy = pos;
child->on_changed = 1;
- child->redraw = 1;
}
}
- //printf("level %d, object %d, pos %d\n", level, i, pos);
+ /*// position of each visible object
+ int k;
+ for (k=0 ; k < level ; k++) printf(" ");
+ printf("tree level %d, object %d, pos %d, %s\n", level, i, pos, (child->size_mode == SIZE_BY_LAYOUT) ? "SIZE_BY_LAYOUT" : "SIZE_BY_CONTENT");*/
size_by_layout(child, pos, level+1);
if (panel_horizontal)
pos += child->width + a->paddingx;
else
pos += child->height + a->paddingx;
+ }
+
+ if (a->on_changed) {
+ // pos/size changed
+ a->redraw = 1;
+ if (a->_on_change_layout)
+ a->_on_change_layout (a);
}
-
- if (a->on_changed && a->_on_change_layout)
- a->_on_change_layout (a);
}
if (a->redraw) {
a->redraw = 0;
// force redraw of child
- GSList *l;
- for (l = a->list ; l ; l = l->next)
- ((Area*)l->data)->redraw = 1;
-// set_redraw(l->data);
+ //GSList *l;
+ //for (l = a->list ; l ; l = l->next)
+ //((Area*)l->data)->redraw = 1;
//printf("draw area posx %d, width %d\n", a->posx, a->width);
draw(a);
}
-int resize_by_layout(void *obj)
+int resize_by_layout(void *obj, int maximum_size)
{
Area *child, *a = (Area*)obj;
int size, nb_by_content=0, nb_by_layout=0;
if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT)
nb_by_layout++;
}
+ //printf(" resize_by_layout Deb %d, %d\n", nb_by_content, nb_by_layout);
if (nb_by_content+nb_by_layout)
size -= ((nb_by_content+nb_by_layout-1) * a->paddingx);
- //printf("resize_panel : size_panel %d, size_layout %d\n", panel->area.width, size);
- int width=0, modulo=0;
+ int width=0, modulo=0, old_width;
if (nb_by_layout) {
width = size / nb_by_layout;
modulo = size % nb_by_layout;
+ if (width > maximum_size && maximum_size != 0) {
+ width = maximum_size;
+ modulo = 0;
+ }
}
// resize SIZE_BY_LAYOUT objects
for (l = a->list ; l ; l = l->next) {
child = (Area*)l->data;
if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT) {
+ old_width = child->width;
child->width = width;
- child->resize = 1;
if (modulo) {
child->width++;
modulo--;
}
+ if (child->width != old_width)
+ child->on_changed = 1;
}
}
}
if (nb_by_content+nb_by_layout)
size -= ((nb_by_content+nb_by_layout-1) * a->paddingx);
- int height=0, modulo=0;
+ int height=0, modulo=0, old_height;
if (nb_by_layout) {
height = size / nb_by_layout;
modulo = size % nb_by_layout;
+ if (height > maximum_size && maximum_size != 0) {
+ height = maximum_size;
+ modulo = 0;
+ }
}
// resize SIZE_BY_LAYOUT objects
for (l = a->list ; l ; l = l->next) {
child = (Area*)l->data;
if (child->on_screen && child->size_mode == SIZE_BY_LAYOUT) {
+ old_height = child->height;
child->height = height;
- child->resize = 1;
if (modulo) {
child->height++;
modulo--;
}
+ if (child->height != old_height)
+ child->on_changed = 1;
}
}
}