int check_ui_object_clipped (ui_object *obj)
{
int
flag;
ui_object
*parent;
float
x1,
x2,
y1,
y2,
x_min,
y_min,
x_max,
y_max,
old_vp_x1,
old_vp_y1,
old_vp_x2,
old_vp_y2;
old_vp_x1 = active_viewport.x_min;
old_vp_y1 = active_viewport.y_min;
old_vp_x2 = active_viewport.x_max;
old_vp_y2 = active_viewport.y_max;
parent = get_ui_object_parent (obj);
ASSERT (parent);
x1 = get_ui_object_x (parent);
y1 = get_ui_object_y (parent);
x2 = x1 + get_ui_object_x_size (parent);
y2 = y1 + get_ui_object_y_size (parent);
x_min = get_ui_object_x (obj);
y_min = get_ui_object_y (obj);
x_max = x_min + get_ui_object_x_size (obj);
y_max = y_min + get_ui_object_y_size (obj);
set_viewport (x1, y1, x2, y2);
flag = ui_clip_area (&x_min, &y_min, &x_max, &y_max);
set_viewport (old_vp_x1, old_vp_y1, old_vp_x2, old_vp_y2);
return flag;
}
static void update_vslider_ui_object (ui_object *obj)
{
float
parent_x1,
parent_y1,
parent_x2,
parent_y2,
parent_x_origin,
parent_y_origin;
float
x1,
y1,
x2,
y2;
ui_object
*parent;
area_ui_object
*area;
float
old_viewport_x1,
old_viewport_y1,
old_viewport_x2,
old_viewport_y2;
// store parents viewport data
old_viewport_x1 = active_viewport.x_min;
old_viewport_y1 = active_viewport.y_min;
old_viewport_x2 = active_viewport.x_max;
old_viewport_y2 = active_viewport.y_max;
area = (area_ui_object *) obj->data;
// store parents viewport data
parent = get_ui_object_parent (obj);
parent_x_origin = get_ui_object_x_origin (parent);
parent_y_origin = get_ui_object_y_origin (parent);
parent_x1 = get_ui_object_x (parent);
parent_y1 = get_ui_object_y (parent);
parent_x2 = parent_x1 + get_ui_object_x_size (parent);
parent_y2 = parent_y1 + get_ui_object_y_size (parent);
recalculate_slider_size (obj);
if (area->drawable)
{
ui_set_origin (0, 0);
draw_ui_object (obj);
if (area->child)
{
x1 = get_ui_object_x (obj);
y1 = get_ui_object_y (obj);
x2 = x1 + get_ui_object_x_size (obj);
y2 = y1 + get_ui_object_y_size (obj);
ui_clip_area (&x1, &y1, &x2, &y2);
set_viewport (x1, y1, x2, y2);
ui_set_origin (0, 0);
update_ui_object (area->child);
}
}
set_viewport (old_viewport_x1, old_viewport_y1, old_viewport_x2, old_viewport_y2);
if (area->next)
{
parent = get_ui_object_parent (obj);
if (parent)
{
set_viewport (parent_x1, parent_y1, parent_x2, parent_y2);
ui_set_origin (parent_x_origin, parent_y_origin);
}
update_ui_object (area->next);
}
}
static void update_mslider_ui_object (ui_object *obj)
{
float
parent_x1,
parent_y1,
parent_x2,
parent_y2,
parent_x_origin,
parent_y_origin;
float
min,
max,
x1,
y1,
x2,
y2;
ui_object
*object_to_slide,
*parent;
area_ui_object
*area;
float
old_viewport_x1,
old_viewport_y1,
old_viewport_x2,
old_viewport_y2;
// store parents viewport data
old_viewport_x1 = active_viewport.x_min;
old_viewport_y1 = active_viewport.y_min;
old_viewport_x2 = active_viewport.x_max;
old_viewport_y2 = active_viewport.y_max;
area = obj->data;
// Scroll if required
if (scroll)
{
min = get_ui_object_slider_min (obj);
max = get_ui_object_slider_max (obj);
object_to_slide = get_ui_object_next (obj);
scroll_slider (object_to_slide, min, max, scroll);
}
// store parents viewport data
parent = get_ui_object_parent (obj);
parent_x_origin = get_ui_object_x_origin (parent);
parent_y_origin = get_ui_object_y_origin (parent);
parent_x1 = get_ui_object_x (parent);
parent_y1 = get_ui_object_y (parent);
parent_x2 = parent_x1 + get_ui_object_x_size (parent);
parent_y2 = parent_y1 + get_ui_object_y_size (parent);
if (area->drawable)
{
ui_set_origin (0, 0);
draw_ui_object (obj);
if (area->child)
{
x1 = get_ui_object_x (obj);
y1 = get_ui_object_y (obj);
x2 = x1 + get_ui_object_x_size (obj);
y2 = y1 + get_ui_object_y_size (obj);
ui_clip_area (&x1, &y1, &x2, &y2);
set_viewport (x1, y1, x2, y2);
ui_set_origin (0, 0);
update_ui_object (area->child);
}
}
if (area->next)
{
parent = get_ui_object_parent (obj);
if (parent)
{
set_viewport (parent_x1, parent_y1, parent_x2, parent_y2);
ui_set_origin (parent_x_origin, parent_y_origin);
}
update_ui_object (area->next);
}
set_viewport (old_viewport_x1, old_viewport_y1, old_viewport_x2, old_viewport_y2);
}
static void update_menu_ui_object (ui_object *obj)
{
float
x1,
y1,
x2,
y2,
parent_x1,
parent_y1,
parent_x2,
parent_y2,
grand_parent_x_origin = 0.0,
grand_parent_y_origin = 0.0;
ui_object
*stack_head,
*grand_parent,
*parent;
area_ui_object
*area;
area = obj->data;
// store parents viewport data
parent = get_ui_object_parent (obj);
grand_parent = get_ui_object_parent (parent);
if (parent)
{
if (grand_parent)
{
grand_parent_x_origin = get_ui_object_x_origin (grand_parent);
grand_parent_y_origin = get_ui_object_y_origin (grand_parent);
}
ui_set_origin (grand_parent_x_origin, grand_parent_y_origin);
parent_x1 = get_ui_object_x (parent);
parent_y1 = get_ui_object_y (parent);
parent_x2 = parent_x1 + get_ui_object_x_size (parent);
parent_y2 = parent_y1 + get_ui_object_y_size (parent);
x1 = parent_x1;
y1 = parent_y1;
x2 = parent_x2;
y2 = parent_y2;
ui_clip_area (&x1, &y1, &x2, &y2);
x1 += grand_parent_x_origin;
y1 += grand_parent_y_origin;
x2 += grand_parent_x_origin;
y2 += grand_parent_y_origin;
set_viewport (x1, y1, x2, y2);
}
if (area->drawable)
{
draw_ui_object (obj);
}
// and its list head
stack_head = obj->stack_head;
if (stack_head)
{
parent = get_ui_object_parent (stack_head);
grand_parent = get_ui_object_parent (parent);
if (parent)
{
if (grand_parent)
{
grand_parent_x_origin = get_ui_object_x_origin (grand_parent);
grand_parent_y_origin = get_ui_object_y_origin (grand_parent);
}
ui_set_origin (grand_parent_x_origin, grand_parent_y_origin);
parent_x1 = get_ui_object_x (parent);
parent_y1 = get_ui_object_y (parent);
parent_x2 = parent_x1 + get_ui_object_x_size (parent);
parent_y2 = parent_y1 + get_ui_object_y_size (parent);
x1 = parent_x1;
y1 = parent_y1;
x2 = parent_x2;
y2 = parent_y2;
ui_clip_area (&x1, &y1, &x2, &y2);
x1 += grand_parent_x_origin;
y1 += grand_parent_y_origin;
x2 += grand_parent_x_origin;
y2 += grand_parent_y_origin;
set_viewport (x1, y1, x2, y2);
}
if (area->drawable)
{
draw_ui_object (stack_head);
}
}
// list head end
if (area->next)
{
parent = get_ui_object_parent (obj);
grand_parent = get_ui_object_parent (parent);
if (parent)
{
if (grand_parent)
{
grand_parent_x_origin = get_ui_object_x_origin (grand_parent);
grand_parent_y_origin = get_ui_object_y_origin (grand_parent);
}
ui_set_origin (grand_parent_x_origin, grand_parent_y_origin);
parent_x1 = get_ui_object_x (parent);
parent_y1 = get_ui_object_y (parent);
parent_x2 = parent_x1 + get_ui_object_x_size (parent);
parent_y2 = parent_y1 + get_ui_object_y_size (parent);
x1 = parent_x1;
y1 = parent_y1;
x2 = parent_x2;
y2 = parent_y2;
x1 += grand_parent_x_origin;
y1 += grand_parent_y_origin;
x2 += grand_parent_x_origin;
y2 += grand_parent_y_origin;
set_viewport (x1, y1, x2, y2);
parent_x1 += get_ui_object_x_origin (parent);
parent_y1 += get_ui_object_y_origin (parent);
ui_set_origin (parent_x1, parent_y1);
}
update_ui_object (area->next);
}
}
void ui_draw_button (float x1, float y1, float x2, float y2, int state)
{
float
new_x1,
new_y1,
new_x2,
new_y2;
int
int_x1,
int_y1,
int_x2,
int_y2;
rgb_colour
background_colour,
top_line_colour,
bottom_line_colour,
left_line_colour,
right_line_colour,
top_left_pixel_colour,
bottom_left_pixel_colour,
top_right_pixel_colour,
bottom_right_pixel_colour;
x1 -= ui_x_origin;
y1 -= ui_y_origin;
x2 -= ui_x_origin;
y2 -= ui_y_origin;
new_x1 = x1;
new_y1 = y1;
new_x2 = x2;
new_y2 = y2;
// clip button to ui viewport
ui_clip_area (&new_x1, &new_y1, &new_x2, &new_y2);
// button coords should be in viewport coords,
// so add ui_origin to convert into screen coords
x1 += ui_x_origin;
y1 += ui_y_origin;
x2 += ui_x_origin;
y2 += ui_y_origin;
new_x1 += ui_x_origin;
new_y1 += ui_y_origin;
new_x2 += ui_x_origin;
new_y2 += ui_y_origin;
// check if possible to draw
if ((new_x2 - new_x1 < 2) || (new_y2 - new_y1 <= 2))
{
return;
}
// convert variabless to ints to save crap conversion
convert_float_to_int (new_x1, &int_x1);
convert_float_to_int (new_y1, &int_y1);
convert_float_to_int (new_x2, &int_x2);
convert_float_to_int (new_y2, &int_y2);
// assign correct colours
switch (state)
{
case UI_OBJECT_STATE_ON:
{
background_colour = ui_button_down_background;
top_line_colour = ui_button_down_dark_edge;
bottom_line_colour = ui_button_down_light_edge;
left_line_colour = ui_button_down_dark_edge;
right_line_colour = ui_button_down_light_edge;
top_left_pixel_colour = ui_button_down_dark_edge;
bottom_left_pixel_colour = ui_button_down_light_edge;
top_right_pixel_colour = ui_button_down_light_edge;
bottom_right_pixel_colour = ui_button_down_light_edge;
break;
}
case UI_OBJECT_STATE_OFF:
{
background_colour = ui_button_up_background;
top_line_colour = ui_button_up_light_edge;
bottom_line_colour = ui_button_up_dark_edge;
left_line_colour = ui_button_up_light_edge;
right_line_colour = ui_button_up_dark_edge;
top_left_pixel_colour = ui_button_up_light_edge;
bottom_left_pixel_colour = ui_button_up_light_edge;
top_right_pixel_colour = ui_button_up_light_edge;
bottom_right_pixel_colour = ui_button_up_dark_edge;
break;
}
case UI_OBJECT_STATE_HIGHLIGHTED:
{
background_colour = ui_button_highlighted_background;
top_line_colour = ui_button_highlighted_light_edge;
bottom_line_colour = ui_button_highlighted_dark_edge;
left_line_colour = ui_button_highlighted_light_edge;
right_line_colour = ui_button_highlighted_dark_edge;
top_left_pixel_colour = ui_button_highlighted_light_edge;
bottom_left_pixel_colour = ui_button_highlighted_light_edge;
top_right_pixel_colour = ui_button_highlighted_light_edge;
bottom_right_pixel_colour = ui_button_highlighted_dark_edge;
break;
}
}
// draw background
if (x1 != new_x1)
{
if (y1 != new_y1)
{
set_block (int_x1, int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1, int_y1 + 1, int_x2, int_y2, background_colour);
}
}
else if (y1 != new_y1)
{
set_block (int_x1 + 1 , int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1 + 1 , int_y1 + 1, int_x2 - 1, int_y2 - 1, background_colour);
}
// draw top line
if (y1 == new_y1)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 2, new_y1, new_x2 - 2, new_y1, top_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 2, new_y1, new_x2, new_y1, top_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y1, new_x2 - 2, new_y1, top_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x2, new_y1, top_line_colour);
}
}
// draw botton line
if (y2 == new_y2)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 2, new_y2, new_x2 - 2, new_y2, bottom_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 2, new_y2, new_x2, new_y2, bottom_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y2, new_x2 - 2, new_y2, bottom_line_colour);
}
else
{
draw_line (new_x1, new_y2, new_x2, new_y2, bottom_line_colour);
}
}
// draw left side
if (x1 == new_x1)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x1, new_y1 + 2, new_x1, new_y2 - 2, left_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x1, new_y1 + 2, new_x1, new_y2, left_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x1, new_y1, new_x1, new_y2 - 2, left_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x1, new_y2, left_line_colour);
}
}
// draw right side
if (x2 == new_x2)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x2, new_y1 + 2, new_x2, new_y2 - 2, right_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x2, new_y1 + 2, new_x2, new_y2, right_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x2, new_y1, new_x2, new_y2 - 2, right_line_colour);
}
else
{
draw_line (new_x2, new_y1, new_x2, new_y2, right_line_colour);
}
}
// draw odd pixels in corners
if (x1 == new_x1)
{
// top left
if (y1 == new_y1)
{
set_pixel (int_x1 + 1, int_y1 + 1, top_left_pixel_colour);
}
// bottom left
if (y2 == new_y2)
{
set_pixel (int_x1 + 1, int_y2 - 1, bottom_left_pixel_colour);
}
}
if (x2 == new_x2)
{
// top right
if (y1 == new_y1)
{
set_pixel (int_x2 - 1, int_y1 + 1, top_right_pixel_colour);
}
// bottom right
if (y2 == new_y2)
{
set_pixel (int_x2 - 1, int_y2 - 1, bottom_right_pixel_colour);
}
}
}
void ui_draw_area (float x1, float y1, float x2, float y2, ui_object *obj)
{
float
new_x1,
new_y1,
new_x2,
new_y2;
int
state,
int_x1,
int_y1,
int_x2,
int_y2;
rgb_colour
background_colour,
top_line_colour,
bottom_line_colour,
left_line_colour,
right_line_colour;
state = get_ui_object_state (obj);
new_x1 = x1;
new_y1 = y1;
new_x2 = x2;
new_y2 = y2;
// clip area to ui viewport
ui_clip_area (&new_x1, &new_y1, &new_x2, &new_y2);
ui_clip_area (&x1, &y1, &x2, &y2);
// button coords should be in viewport coords,
// so add ui_origin to convert into screen coords
x1 += ui_x_origin;
y1 += ui_y_origin;
x2 += ui_x_origin;
y2 += ui_y_origin;
new_x1 += ui_x_origin;
new_y1 += ui_y_origin;
new_x2 += ui_x_origin;
new_y2 += ui_y_origin;
// check if possible to draw
if ((new_x2 - new_x1 < 2) || (new_y2 - new_y1 <= 2))
{
return;
}
// convert variabless to ints to save crap conversion
convert_float_to_int (new_x1, &int_x1);
convert_float_to_int (new_y1, &int_y1);
convert_float_to_int (new_x2, &int_x2);
convert_float_to_int (new_y2, &int_y2);
// assign correct colours
switch (state)
{
case UI_OBJECT_STATE_ON:
case UI_OBJECT_STATE_OFF:
{
background_colour = get_ui_object_colour (obj); //ui_area_background;
top_line_colour = ui_area_light_edge;
bottom_line_colour = ui_area_dark_edge;
left_line_colour = ui_area_light_edge;
right_line_colour = ui_area_dark_edge;
break;
}
case UI_OBJECT_STATE_HIGHLIGHTED:
{
background_colour = get_ui_object_highlighted_colour (obj); // ui_area_highlighted_background;
top_line_colour = ui_area_highlighted_light_edge;
bottom_line_colour = ui_area_highlighted_dark_edge;
left_line_colour = ui_area_highlighted_light_edge;
right_line_colour = ui_area_highlighted_dark_edge;
break;
}
}
// draw background
if (x1 != new_x1)
{
if (y1 != new_y1)
{
set_block (int_x1, int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1, int_y1 + 1, int_x2, int_y2, background_colour);
}
}
else if (y1 != new_y1)
{
set_block (int_x1 + 1 , int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1 + 1 , int_y1 + 1, int_x2, int_y2, background_colour);
}
// draw top line
if (y1 == new_y1)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 1, new_y1, new_x2 - 1, new_y1, top_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 1, new_y1, new_x2, new_y1, top_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y1, new_x2 - 1, new_y1, top_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x2, new_y1, top_line_colour);
}
}
// draw botton line
if (y2 == new_y2)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 1, new_y2, new_x2 - 1, new_y2, bottom_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 1, new_y2, new_x2, new_y2, bottom_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y2, new_x2 - 1, new_y2, bottom_line_colour);
}
else
{
draw_line (new_x1, new_y2, new_x2, new_y2, bottom_line_colour);
}
}
// draw left side
if (x1 == new_x1)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x1, new_y1 + 1, new_x1, new_y2 - 1, left_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x1, new_y1 + 1, new_x1, new_y2, left_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x1, new_y1, new_x1, new_y2 - 1, left_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x1, new_y2, left_line_colour);
}
}
// draw right side
if (x2 == new_x2)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x2, new_y1 + 1, new_x2, new_y2 - 1, right_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x2, new_y1 + 1, new_x2, new_y2, right_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x2, new_y1, new_x2, new_y2 - 1, right_line_colour);
}
else
{
draw_line (new_x2, new_y1, new_x2, new_y2, right_line_colour);
}
}
}
