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#include <stdlib.h>
#include <string.h>
#include "eve.h"
#include "eve_kbd.h"
#include "screen.h"
#include "window.h"
#include "page.h"
#include "font.h"
#include "form.h"
#include "widget/label.h"
#include "widget/widget.h"
#define CH_EOF 0x1a
int eve_form_init(EVEForm *form, EVEWidget *widget, uint16_t widget_size, eve_page_open_t open, eve_page_close_t close, EVEWindow *window) {
memset(form, 0, sizeof(EVEForm));
eve_page_init(&form->p, eve_form_touch, eve_form_draw, open, close, eve_form_handle_evt, eve_form_update_g, window);
form->widget = widget;
form->widget_size = widget_size;
eve_form_update_g(&form->p, NULL);
}
int eve_form_touch(EVEView *v, uint8_t tag0, int touch_idx) {
EVEForm *form = (EVEForm *)v;
EVEWidget *widget = form->widget;
EVEWidget *widget_f = eve_page_get_focus(&form->p);
int i, ret = 0;
EVERect focus = {0,0,0,0};
for (i=0; i<form->widget_size; i++) {
if (eve_page_rect_visible(&form->p, &widget->g)) {
int a;
EVERect r = {0,0,0,0};
a = widget->touch(widget, &form->p, tag0, touch_idx, &r);
ret = ret || a;
if (r.w && r.h && (widget_f != widget)) {
EVEKbd *kbd = eve_screen_get_kbd(form->p.window->screen);
if (kbd) {
if (widget_f && widget_f->putc) {
eve_screen_hide_kbd(form->p.window->screen);
widget_f->putc(widget_f, CH_EOF);
}
eve_kbd_set_handler(kbd, widget->putc, &form->p);
if (widget->putc) {
eve_screen_show_kbd(form->p.window->screen);
}
}
widget_f = widget;
focus = r;
}
}
widget = eve_widget_next(widget);
}
if (focus.w && focus.h) eve_page_set_focus(&form->p, widget_f, &focus);
return ret;
}
uint8_t eve_form_draw(EVEView *v, uint8_t tag0) {
EVEForm *form = (EVEForm *)v;
EVEWidget *widget = form->widget;
int i;
uint8_t tagN = tag0;
eve_cmd_dl(VERTEX_FORMAT(0));
for (i=0; i<form->widget_size; i++) {
if (widget->label && eve_page_rect_visible(&form->p, &widget->label->g)) {
eve_cmd_dl(TAG_MASK(0));
eve_label_draw(widget->label);
eve_cmd_dl(TAG_MASK(1));
}
if (eve_page_rect_visible(&form->p, &widget->g)) tagN = widget->draw(widget, &form->p, tagN);
widget = eve_widget_next(widget);
}
for (i=tag0; i<tagN; i++) {
eve_touch_set_opt(i, eve_touch_get_opt(i) | EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_XY | EVE_TOUCH_OPT_TRACK_EXT);
}
return tagN;
}
void eve_form_handle_evt(EVEPage *page, EVEWidget *widget, EVETouch *touch, uint16_t evt, uint8_t tag0, int touch_idx) {
/*
if (evt & EVE_TOUCH_ETYPE_TRACK_Y) {
// do scroll
} else {
// go back / forward
}
*/
}
void eve_form_update_g(EVEPage *page, EVEWidget *_widget) {
EVEForm *form = (EVEForm *)page;
EVEWidget *widget = form->widget;
int i;
uint16_t h = 0;
for (i=0; i<form->widget_size; i++) {
if (widget->label) {
widget->label->g.y = h;
if (widget->label->g.w + widget->g.w > form->p.window->screen->w) h += widget->label->g.h;
}
widget->g.y = h;
h += widget->g.h;
widget = eve_widget_next(widget);
}
}
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