flipperzero-firmware/applications/gui/modules/variable-item-list.c

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C
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#include "variable-item-list.h"
#include "gui/canvas.h"
#include <m-array.h>
#include <furi.h>
#include <gui/elements.h>
#include <stdint.h>
struct VariableItem {
const char* label;
uint8_t current_value_index;
string_t current_value_text;
uint8_t values_count;
VariableItemChangeCallback change_callback;
void* context;
};
ARRAY_DEF(VariableItemArray, VariableItem, M_POD_OPLIST);
struct VariableItemList {
View* view;
VariableItemListEnterCallback callback;
void* context;
};
typedef struct {
VariableItemArray_t items;
uint8_t position;
uint8_t window_position;
} VariableItemListModel;
static void variable_item_list_process_up(VariableItemList* variable_item_list);
static void variable_item_list_process_down(VariableItemList* variable_item_list);
static void variable_item_list_process_left(VariableItemList* variable_item_list);
static void variable_item_list_process_right(VariableItemList* variable_item_list);
static void variable_item_list_process_ok(VariableItemList* variable_item_list);
static void variable_item_list_draw_callback(Canvas* canvas, void* _model) {
VariableItemListModel* model = _model;
const uint8_t item_height = 16;
const uint8_t item_width = 123;
canvas_clear(canvas);
uint8_t position = 0;
VariableItemArray_it_t it;
canvas_set_font(canvas, FontSecondary);
for(VariableItemArray_it(it, model->items); !VariableItemArray_end_p(it);
VariableItemArray_next(it)) {
uint8_t item_position = position - model->window_position;
uint8_t items_on_screen = 4;
uint8_t y_offset = 0;
if(item_position < items_on_screen) {
const VariableItem* item = VariableItemArray_cref(it);
uint8_t item_y = y_offset + (item_position * item_height);
uint8_t item_text_y = item_y + item_height - 4;
if(position == model->position) {
canvas_set_color(canvas, ColorBlack);
elements_slightly_rounded_box(canvas, 0, item_y + 1, item_width, item_height - 2);
canvas_set_color(canvas, ColorWhite);
} else {
canvas_set_color(canvas, ColorBlack);
}
canvas_draw_str(canvas, 6, item_text_y, item->label);
if(item->current_value_index > 0) {
canvas_draw_str(canvas, 73, item_text_y, "<");
}
canvas_draw_str(canvas, 80, item_text_y, string_get_cstr(item->current_value_text));
if(item->current_value_index < (item->values_count - 1)) {
canvas_draw_str(canvas, 115, item_text_y, ">");
}
}
position++;
}
elements_scrollbar(canvas, model->position, VariableItemArray_size(model->items));
}
static bool variable_item_list_input_callback(InputEvent* event, void* context) {
VariableItemList* variable_item_list = context;
furi_assert(variable_item_list);
bool consumed = false;
if(event->type == InputTypeShort) {
switch(event->key) {
case InputKeyUp:
consumed = true;
variable_item_list_process_up(variable_item_list);
break;
case InputKeyDown:
consumed = true;
variable_item_list_process_down(variable_item_list);
break;
case InputKeyLeft:
consumed = true;
variable_item_list_process_left(variable_item_list);
break;
case InputKeyRight:
consumed = true;
variable_item_list_process_right(variable_item_list);
break;
case InputKeyOk:
variable_item_list_process_ok(variable_item_list);
break;
default:
break;
}
}
return consumed;
}
void variable_item_list_process_up(VariableItemList* variable_item_list) {
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
uint8_t items_on_screen = 4;
if(model->position > 0) {
model->position--;
if(((model->position - model->window_position) < 1) &&
model->window_position > 0) {
model->window_position--;
}
} else {
model->position = VariableItemArray_size(model->items) - 1;
if(model->position > (items_on_screen - 1)) {
model->window_position = model->position - (items_on_screen - 1);
}
}
return true;
});
}
void variable_item_list_process_down(VariableItemList* variable_item_list) {
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
uint8_t items_on_screen = 4;
if(model->position < (VariableItemArray_size(model->items) - 1)) {
model->position++;
if((model->position - model->window_position) > (items_on_screen - 2) &&
model->window_position <
(VariableItemArray_size(model->items) - items_on_screen)) {
model->window_position++;
}
} else {
model->position = 0;
model->window_position = 0;
}
return true;
});
}
VariableItem* variable_item_list_get_selected_item(VariableItemListModel* model) {
VariableItem* item = NULL;
VariableItemArray_it_t it;
uint8_t position = 0;
for(VariableItemArray_it(it, model->items); !VariableItemArray_end_p(it);
VariableItemArray_next(it)) {
if(position == model->position) {
break;
}
position++;
}
item = VariableItemArray_ref(it);
furi_assert(item);
return item;
}
void variable_item_list_process_left(VariableItemList* variable_item_list) {
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
VariableItem* item = variable_item_list_get_selected_item(model);
if(item->current_value_index > 0) {
item->current_value_index--;
if(item->change_callback) {
item->change_callback(item);
}
}
return true;
});
}
void variable_item_list_process_right(VariableItemList* variable_item_list) {
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
VariableItem* item = variable_item_list_get_selected_item(model);
if(item->current_value_index < (item->values_count - 1)) {
item->current_value_index++;
if(item->change_callback) {
item->change_callback(item);
}
}
return true;
});
}
void variable_item_list_process_ok(VariableItemList* variable_item_list) {
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
if(variable_item_list->callback) {
variable_item_list->callback(variable_item_list->context, model->position);
}
return false;
});
}
VariableItemList* variable_item_list_alloc() {
VariableItemList* variable_item_list = furi_alloc(sizeof(VariableItemList));
variable_item_list->view = view_alloc();
view_set_context(variable_item_list->view, variable_item_list);
view_allocate_model(
variable_item_list->view, ViewModelTypeLocking, sizeof(VariableItemListModel));
view_set_draw_callback(variable_item_list->view, variable_item_list_draw_callback);
view_set_input_callback(variable_item_list->view, variable_item_list_input_callback);
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
VariableItemArray_init(model->items);
model->position = 0;
model->window_position = 0;
return true;
});
return variable_item_list;
}
void variable_item_list_free(VariableItemList* variable_item_list) {
furi_assert(variable_item_list);
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
VariableItemArray_it_t it;
for(VariableItemArray_it(it, model->items); !VariableItemArray_end_p(it);
VariableItemArray_next(it)) {
string_clear(VariableItemArray_ref(it)->current_value_text);
}
VariableItemArray_clear(model->items);
return false;
});
view_free(variable_item_list->view);
free(variable_item_list);
}
void variable_item_list_clean(VariableItemList* variable_item_list) {
furi_assert(variable_item_list);
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
VariableItemArray_it_t it;
for(VariableItemArray_it(it, model->items); !VariableItemArray_end_p(it);
VariableItemArray_next(it)) {
string_clear(VariableItemArray_ref(it)->current_value_text);
}
VariableItemArray_clean(model->items);
return false;
});
}
View* variable_item_list_get_view(VariableItemList* variable_item_list) {
furi_assert(variable_item_list);
return variable_item_list->view;
}
VariableItem* variable_item_list_add(
VariableItemList* variable_item_list,
const char* label,
uint8_t values_count,
VariableItemChangeCallback change_callback,
void* context) {
VariableItem* item = NULL;
furi_assert(label);
furi_assert(variable_item_list);
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
item = VariableItemArray_push_new(model->items);
item->label = label;
item->values_count = values_count;
item->change_callback = change_callback;
item->context = context;
item->current_value_index = 0;
string_init(item->current_value_text);
return true;
});
return item;
}
void variable_item_list_set_enter_callback(
VariableItemList* variable_item_list,
VariableItemListEnterCallback callback,
void* context) {
furi_assert(callback);
with_view_model(
variable_item_list->view, (VariableItemListModel * model) {
variable_item_list->callback = callback;
variable_item_list->context = context;
return false;
});
}
void variable_item_set_current_value_index(VariableItem* item, uint8_t current_value_index) {
item->current_value_index = current_value_index;
}
void variable_item_set_current_value_text(VariableItem* item, const char* current_value_text) {
string_set_str(item->current_value_text, current_value_text);
}
uint8_t variable_item_get_current_value_index(VariableItem* item) {
return item->current_value_index;
}
void* variable_item_get_context(VariableItem* item) {
return item->context;
}