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particle/ramp: new particle, selects one particle from a list

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The ramp particle is configured with a tag name and a list of
particles.

At instantiation time, a single particle is selected from the list,
depending on the tag value and it's minimum and maximum values.

I.e. this particle acts kind of like a progress bar.
This commit is contained in:
Daniel Eklöf 2018-12-16 16:20:45 +01:00
parent 2218bd1583
commit 47b36bdd35
4 changed files with 101 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

30
config.c
View file

@ -11,6 +11,7 @@
#include "particles/string.h"
#include "particles/list.h"
#include "particles/map.h"
#include "particles/ramp.h"
#include "module.h"
#include "modules/battery/battery.h"
@ -168,10 +169,8 @@ particle_list_from_config(const struct yml_node *node,
parts[idx] = particle_from_config(it.node, parent_font);
}
struct particle *list = particle_list_new(
return particle_list_new(
parts, count, left_spacing, right_spacing, left_margin, right_margin);
return list;
}
static struct particle *
@ -205,6 +204,29 @@ particle_map_from_config(const struct yml_node *node, const struct font *parent_
default_particle);
}
static struct particle *
particle_ramp_from_config(const struct yml_node *node, const struct font *parent_font)
{
const struct yml_node *tag = yml_get_value(node, "tag");
const struct yml_node *items = yml_get_value(node, "items");
assert(yml_is_scalar(tag));
assert(yml_is_list(items));
size_t count = yml_list_length(items);
struct particle *parts[count];
size_t idx = 0;
for (struct yml_list_iter it = yml_list_iter(items);
it.node != NULL;
yml_list_next(&it), idx++)
{
parts[idx] = particle_from_config(it.node, parent_font);
}
return particle_ramp_new(yml_value_as_string(tag), parts, count);
}
static struct particle *
particle_from_config(const struct yml_node *node, const struct font *parent_font)
{
@ -220,6 +242,8 @@ particle_from_config(const struct yml_node *node, const struct font *parent_font
return particle_list_from_config(pair.value, parent_font);
else if (strcmp(type, "map") == 0)
return particle_map_from_config(pair.value, parent_font);
else if (strcmp(type, "ramp") == 0)
return particle_ramp_from_config(pair.value, parent_font);
else
assert(false);
}