pim/mongoose-touch
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Refactor app to use 'screen with widgets' rather than 'widgets'

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Pim van Pelt
2017-11-26 15:01:59 +01:00
parent 3e2e9d4e5b
commit fd68b1ec03
11 changed files with 134 additions and 104 deletions
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30
src/main.c
View File

@ -6,6 +6,8 @@
#include "stmpe610.h"
#include "mongoose-touch.h"
static struct screen_t *screen = NULL;
static long map(long x, long in_min, long in_max, long out_min, long out_max) {
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
@ -19,7 +21,11 @@ static void touch_handler(struct mgos_stmpe610_event_data *ed) {
x = map(ed->x, 0, 4095, 0, _width-1);
y = map(ed->y, 0, 4095, 0, _height-1);
LOG(LL_INFO, ("Touch %s at (%d,%d) pressure=%d, length=%d", ed->direction==TOUCH_UP?"UP":"DOWN", x, y, ed->z, ed->length));
widget = widget_find(x, y);
widget = screen_widget_find_by_xy(screen, x, y);
if (widget) {
LOG(LL_INFO, ("Widget '%s' found", widget->name));
}
if (ed->direction==TOUCH_DOWN) {
// mgos_ili9341_drawCircle(x, y, ed->length, ILI9341_YELLOW);
@ -36,6 +42,8 @@ static void touch_handler(struct mgos_stmpe610_event_data *ed) {
void tft_demo(void)
{
struct widget_t *w;
mgos_ili9341_setRotation(mgos_sys_config_get_tft_orientation());
mgos_stmpe610_set_rotation(mgos_sys_config_get_tft_orientation());
mgos_ili9341_setGammaCurve(DEFAULT_GAMMA_CURVE);
@ -44,11 +52,21 @@ void tft_demo(void)
mgos_ili9341_jpg_image(CENTER, CENTER, 1, "mongoose-os.jpg", NULL, 0);
// mgos_ili9341_jpg_image(200, 150, 2, "flower.jpg", NULL, 0);
widget_add(0, 0, 198, 20, 0, widget_name_ev, NULL);
widget_add(198, 0, 22, 20, 0, widget_network_ev, NULL);
widget_add(220, 0, 20, 20, 5000, widget_wifi_ev, NULL);
widget_add(240, 0, 80, 20, 1000, widget_time_ev, NULL);
widget_add(0, 21, 320, 2, 0, widget_topbar_ev, NULL);
screen = screen_create_from_file("fs/screen_main.json");
w = widget_create("name", 0, 0, 198, 20, 0, widget_name_ev, NULL);
screen_widget_add(screen, w);
w = widget_create("network", 198, 0, 22, 20, 0, widget_network_ev, NULL);
screen_widget_add(screen, w);
w = widget_create("wifi", 220, 0, 20, 20, 5000, widget_wifi_ev, NULL);
screen_widget_add(screen, w);
w = widget_create("time", 240, 0, 80, 20, 1000, widget_time_ev, NULL);
screen_widget_add(screen, w);
w = widget_create("topbar", 0, 21, 320, 2, 0, widget_topbar_ev, NULL);
screen_widget_add(screen, w);
}
enum mgos_app_init_result mgos_app_init(void)

20
src/screen.c
View File

@ -75,6 +75,9 @@ void screen_destroy(struct screen_t **s) {
bool screen_widget_add(struct screen_t *s, struct widget_t *w) {
struct widget_list_t *wl;
if (!s || !w)
return false;
wl = (struct widget_list_t *) calloc(1, sizeof(*wl));
if (!wl) {
return false;
@ -119,3 +122,20 @@ uint16_t screen_get_num_widgets(struct screen_t *s) {
return num;
}
struct widget_t *screen_widget_find_by_xy(struct screen_t *s, uint16_t x, uint16_t y) {
struct widget_list_t *wl;
if (!s)
return NULL;
SLIST_FOREACH(wl, &s->widget_entries, entries) {
LOG(LL_INFO, ("Inspecing widget '%s' (x=%d,y=%d,w=%d,h=%d)", wl->widget->name, wl->widget->x, wl->widget->y, wl->widget->w, wl->widget->h));
if (wl->widget->x <= x &&
x < (wl->widget->x+wl->widget->w) &&
wl->widget->y <= y &&
y < (wl->widget->y+wl->widget->h))
return wl->widget;
}
return NULL;
}

94
src/widget.c
View File

@ -3,8 +3,6 @@
#include "frozen/frozen.h"
#include "common/queue.h"
SLIST_HEAD(widget_list, widget_list_t) s_widgets;
static void widget_event_timer(void *arg) {
struct widget_t *widget = (struct widget_t *) arg;
if (!widget)
@ -27,92 +25,14 @@ void widget_destroy(struct widget_t **widget) {
*widget=NULL;
}
struct widget_t *widget_add(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t timer_msec, widget_event_fn handler, void *user_data) {
struct widget_t *widget;
struct widget_list_t *wl;
wl = (struct widget_list_t *) calloc(1, sizeof(*wl));
if (!wl) {
return NULL;
}
widget = widget_create(x, y, w, h, timer_msec, handler, user_data);
if (!widget) {
free(wl);
return NULL;
}
wl->widget = widget;
SLIST_INSERT_HEAD(&s_widgets, wl, entries);
return widget;
}
struct widget_t *widget_find(uint16_t x, uint16_t y) {
struct widget_list_t *wl;
SLIST_FOREACH(wl, &s_widgets, entries) {
if (wl->widget->x < x &&
x < (wl->widget->x+wl->widget->w) &&
wl->widget->y < y &&
y < (wl->widget->y+wl->widget->h))
return wl->widget;
}
return NULL;
}
void widget_remove(struct widget_t *widget) {
struct widget_list_t *wl;
if (!widget)
return;
SLIST_FOREACH(wl, &s_widgets, entries) {
if (wl->widget == widget) {
SLIST_REMOVE(&s_widgets, wl, widget_list_t, entries);
widget_destroy(&widget);
}
}
}
struct widget_t *widget_add_from_file(const char *fn, uint32_t timer_msec, widget_event_fn handler, void *user_data) {
char *json;
int x, y, w, h;
int type = 0;
char *label = NULL;
char *icon = NULL;
struct widget_t *widget=NULL;
json = json_fread(fn);
if (!json) {
LOG(LL_ERROR, ("%s: Could not json_fread()", fn));
widget=NULL; goto exit;
}
if (json_scanf(json, strlen(json), "{x:%d,y:%d,w:%d,h:%d}", &x, &y, &w, &h) != 4) {
LOG(LL_ERROR, ("%s: Incomplete JSON: require 'x', 'y', 'w', 'h' fields", fn));
widget=NULL; goto exit;
}
json_scanf(json, strlen(json), "{type:%d,label:%Q,icon:%Q}", &type, &label, &icon);
free(json);
LOG(LL_INFO, ("%s: x=%d y=%d w=%d h=%d type=%d label='%s' icon='%s'", fn, x, y, w, h, type, label?label:"(empty)",icon?icon:"(empty)"));
widget = widget_add(x, y, w, h, 0, NULL, NULL);
exit:
if (label) free(label);
if (icon) free(icon);
return widget;
(void) timer_msec;
(void) handler;
(void) user_data;
}
struct widget_t *widget_create(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t timer_msec, widget_event_fn handler, void *user_data) {
struct widget_t *widget_create(char *name, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t timer_msec, widget_event_fn handler, void *user_data) {
struct widget_t *widget;
widget = (struct widget_t *) calloc(1, sizeof(*widget));
if (!widget)
return NULL;
if (name)
widget->name=strdup(name);
widget->x=x;
widget->y=y;
widget->w=w;
@ -133,15 +53,17 @@ struct widget_t *widget_create_from_json(const char *json) {
struct widget_t *widget=NULL;
int x, y, w, h;
int type = 0;
char *name = NULL;
char *label = NULL;
char *icon = NULL;
if (json_scanf(json, strlen(json), "{x:%d,y:%d,w:%d,h:%d}", &x, &y, &w, &h) != 4) {
LOG(LL_ERROR, ("Incomplete JSON: require 'x', 'y', 'w', 'h' fields"));
if (json_scanf(json, strlen(json), "{name:%Q,x:%d,y:%d,w:%d,h:%d}", &name, &x, &y, &w, &h) != 5) {
LOG(LL_ERROR, ("Incomplete JSON: require 'x', 'y', 'w', 'h' and 'name' fields"));
return NULL;
}
json_scanf(json, strlen(json), "{type:%d,label:%Q,icon:%Q}", &type, &label, &icon);
widget = widget_create(x, y, w, h, 0, NULL, NULL);
widget = widget_create(name, x, y, w, h, 0, NULL, NULL);
if (name) free(name);
return widget;
}