From 004ef27ddc89069c39b8cff1cf47f44baa3ceed1 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Wed, 26 Feb 2020 16:17:51 +0100
Subject: text widget added, NOT TESTED
---
code/fe310/eos/eve/widget/Makefile | 17 ++
code/fe310/eos/eve/widget/font.c | 6 +
code/fe310/eos/eve/widget/font.h | 9 +
code/fe310/eos/eve/widget/screen.h | 18 ++
code/fe310/eos/eve/widget/text.c | 457 +++++++++++++++++++++++++++++++++++++
code/fe310/eos/eve/widget/text.h | 43 ++++
code/fe310/eos/eve/widget/widget.h | 19 ++
7 files changed, 569 insertions(+)
create mode 100644 code/fe310/eos/eve/widget/Makefile
create mode 100644 code/fe310/eos/eve/widget/font.c
create mode 100644 code/fe310/eos/eve/widget/font.h
create mode 100644 code/fe310/eos/eve/widget/screen.h
create mode 100644 code/fe310/eos/eve/widget/text.c
create mode 100644 code/fe310/eos/eve/widget/text.h
create mode 100644 code/fe310/eos/eve/widget/widget.h
(limited to 'code')
diff --git a/code/fe310/eos/eve/widget/Makefile b/code/fe310/eos/eve/widget/Makefile
new file mode 100644
index 0000000..7659ef0
--- /dev/null
+++ b/code/fe310/eos/eve/widget/Makefile
@@ -0,0 +1,17 @@
+include ../../../common.mk
+
+CFLAGS += -I.. -I../.. -I../../../include -I../../../drivers
+
+obj = font.o text.o
+
+
+%.o: %.c %.h
+ $(CC) $(CFLAGS) -c $<
+
+%.o: %.S
+ $(CC) $(CFLAGS) -c $<
+
+all: $(obj)
+
+clean:
+ rm -f *.o
\ No newline at end of file
diff --git a/code/fe310/eos/eve/widget/font.c b/code/fe310/eos/eve/widget/font.c
new file mode 100644
index 0000000..302e998
--- /dev/null
+++ b/code/fe310/eos/eve/widget/font.c
@@ -0,0 +1,6 @@
+#include "eve.h"
+#include "font.h"
+
+void eve_font_init(EVEFont *font, uint8_t font_idx) {
+ font->idx = font_idx;
+}
\ No newline at end of file
diff --git a/code/fe310/eos/eve/widget/font.h b/code/fe310/eos/eve/widget/font.h
new file mode 100644
index 0000000..6fc32ab
--- /dev/null
+++ b/code/fe310/eos/eve/widget/font.h
@@ -0,0 +1,9 @@
+#include <stdint.h>
+
+typedef struct EVEFont {
+ uint8_t idx;
+ uint8_t w[128];
+ uint8_t h;
+} EVEFont;
+
+void eve_font_init(EVEFont *font, uint8_t font_idx);
\ No newline at end of file
diff --git a/code/fe310/eos/eve/widget/screen.h b/code/fe310/eos/eve/widget/screen.h
new file mode 100644
index 0000000..d5b4534
--- /dev/null
+++ b/code/fe310/eos/eve/widget/screen.h
@@ -0,0 +1,18 @@
+#include <stdint.h>
+
+struct EVETouch;
+struct EVEWidget;
+
+typedef struct EVERect {
+ uint16_t x1;
+ uint16_t y1;
+ uint16_t x2;
+ uint16_t y2;
+} EVERect;
+
+typedef struct EVEScreen {
+ char ro;
+ EVERect *visible;
+ void (*handle_evt) (struct EVEScreen *, struct EVEWidget *, uint8_t, int, struct EVETouch *, uint16_t);
+ void (*move) (struct EVEScreen *, struct EVEWidget *, EVERect *);
+} EVEScreen;
diff --git a/code/fe310/eos/eve/widget/text.c b/code/fe310/eos/eve/widget/text.c
new file mode 100644
index 0000000..71fcf3c
--- /dev/null
+++ b/code/fe310/eos/eve/widget/text.c
@@ -0,0 +1,457 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "eve.h"
+#include "text.h"
+
+#define CH_BS 0x08
+#define CH_DEL 0x7f
+#define CH_EOF 0x1a
+
+#define TEXTW_TMODE_CURSOR 1
+#define TEXTW_TMODE_SCROLL 2
+
+#define LINE_LEN(w,l) ((l) ? (w->line[l] ? w->line[l] - w->line[(l) - 1] - 1 : 0) : w->line[l])
+#define LINE_START(w,l) ((l) ? w->line[(l) - 1] + 1 : 0)
+#define LINE_END(w,l) (w->line[l])
+#define LINE_EMPTY 0xffff
+
+void eve_textw_init(EVETextWidget *widget, uint16_t x, uint16_t y, uint16_t w, uint16_t h, char *text, uint64_t text_size, uint16_t *line, uint16_t line_size, EVEFont *font) {
+ memset(widget, 0, sizeof(EVETextWidget));
+ widget->w.type = EVE_WIDGET_TYPE_TEXT;
+ widget->w.x = x;
+ widget->w.y = y;
+ widget->w.w = w;
+ widget->w.h = h;
+ widget->w.touch = eve_textw_touch;
+ widget->w.draw = eve_textw_draw;
+ widget->w.putc = eve_textw_putc;
+ widget->text = text;
+ widget->text_size = text_size;
+ widget->line = line;
+ widget->line_size = line_size;
+ widget->font = font;
+ if (text_size && line_size) eve_textw_update(widget, 0);
+}
+
+static EVETextCursor *cursor_prox(EVETouch *t, EVETextWidget *widget, EVETextCursor *cursor, short *dx, short *dl) {
+ EVEWidget *_widget = (EVEWidget *)widget;
+ int x = (int)t->x0 - _widget->x;
+ int l = (int)t->tag0 - widget->tag0 + widget->line0;
+ int _dx, _dl;
+
+ *dx = cursor->x - x;
+ *dl = cursor->line - l;
+
+ _dx = *dx < 0 ? -(*dx) : *dx;
+ _dl = *dl < 0 ? -(*dl) : *dl;
+ if ((_dx <= widget->font->h) && (_dl <= 1)) return cursor;
+ return NULL;
+}
+
+int eve_textw_touch(EVEWidget *_widget, EVEScreen *screen, uint8_t tag0, int touch_idx) {
+ EVETextWidget *widget = (EVETextWidget *)_widget;
+ EVETouch *t;
+ uint16_t evt;
+
+ if (touch_idx > 0) return 0;
+
+ t = eve_touch_evt(tag0, touch_idx, widget->tag0, widget->tagN, &evt);
+ if (t && evt) {
+ EVETextCursor *t_cursor = NULL;
+ EVETextCursor *a_cursor = NULL;
+ short dx, dl;
+
+ if (!(evt & EVE_TOUCH_ETYPE_TRACK) || !widget->track.mode) {
+ if (widget->cursor2.on && widget->tag0) {
+ t_cursor = cursor_prox(t, widget, &widget->cursor2, &dx, &dl);
+ }
+ if (widget->cursor1.on && widget->tag0 && (t_cursor == NULL)) {
+ t_cursor = cursor_prox(t, widget, &widget->cursor1, &dx, &dl);
+ }
+ }
+ if (evt & EVE_TOUCH_ETYPE_TRACK) {
+ if (!widget->track.mode) {
+ widget->track.cursor = t_cursor;
+ if (t_cursor) {
+ widget->track.mode = TEXTW_TMODE_CURSOR;
+ widget->track.dx = dx;
+ widget->track.dl = dl;
+ } else {
+ widget->track.mode = TEXTW_TMODE_SCROLL;
+ }
+ }
+
+ if (widget->track.mode == TEXTW_TMODE_CURSOR) {
+ eve_textw_cursor_set(widget, widget->track.cursor, t->tag + widget->track.dl, t->x + widget->track.dx);
+ } else {
+ screen->handle_evt(screen, _widget, tag0, touch_idx, t, evt);
+ if (evt & EVE_TOUCH_ETYPE_TRACK_Y) {
+ // do scroll
+ } else {
+ // go back / forward
+ }
+ }
+ } else if (evt & EVE_TOUCH_ETYPE_LPRESS) {
+ if (!t_cursor) {
+ if (widget->cursor2.on) {
+ // show context w cut / copy / paste
+ } else if (widget->cursor1.on) {
+ // show context w paste / select
+ eve_textw_cursor_set(widget, &widget->cursor2, t->tag, t->x);
+ } else {
+ // show context w paste
+ }
+ }
+ } else if (evt & EVE_TOUCH_ETYPE_TAG_UP) {
+ if (!t_cursor) {
+ if (widget->cursor2.on) {
+ a_cursor = &widget->cursor2;
+ eve_textw_cursor_set(widget, a_cursor, t->tag_up, t->x);
+ } else {
+ a_cursor = &widget->cursor1;
+ eve_textw_cursor_set(widget, a_cursor, t->tag_up, t->x);
+ }
+ }
+ }
+ if (evt & EVE_TOUCH_ETYPE_POINT_UP) {
+ widget->track.mode = 0;
+ widget->track.cursor = NULL;
+ widget->track.dx = 0;
+ widget->track.dl = 0;
+ }
+
+ if (a_cursor) {
+ EVERect a;
+
+ a.x1 = _widget->x;
+ a.y1 = _widget->y + a_cursor->line * widget->font->h;
+ a.x2 = _widget->x + _widget->w;
+ a.y2 = _widget->y + (a_cursor->line + 2) * widget->font->h;
+ screen->move(screen, _widget, &a);
+ }
+ if (widget->cursor1.on) return 1;
+ }
+ return 0;
+}
+
+static void _draw_line(EVETextWidget *widget, uint16_t l, uint16_t ch, uint16_t len, uint16_t x1, uint16_t x2, char s) {
+ EVEWidget *_widget = (EVEWidget *)widget;
+
+ if (x1 != x2) {
+ eve_cmd_dl(TAG(widget->tagN));
+ eve_cmd_dl(BEGIN(EVE_RECTS));
+ if (!s) eve_cmd_dl(COLOR_MASK(0 ,0 ,0 ,0));
+ eve_cmd_dl(VERTEX2F(_widget->x + x1, _widget->y + l * widget->font->h));
+ eve_cmd_dl(VERTEX2F(_widget->x + x2, _widget->y + (l + 1) * widget->font->h));
+ if (!s) eve_cmd_dl(COLOR_MASK(1 ,1 ,1 ,1));
+ if (len) {
+ if (s) eve_cmd_dl(COLOR_RGB(0, 0, 0));
+ eve_cmd(CMD_TEXT, "hhhhpb", _widget->x, _widget->y + l * widget->font->h, widget->font->idx, 0, widget->text + ch, len, 0);
+ if (s) eve_cmd_dl(COLOR_RGB(255, 255, 255));
+ }
+ eve_touch_set_opt(widget->tagN, EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_XY | EVE_TOUCH_OPT_INERT);
+ }
+}
+
+static void _draw_cursor(EVETextWidget *widget, EVETextCursor *cursor) {
+ uint16_t x, y;
+ EVEWidget *_widget = (EVEWidget *)widget;
+
+ x = _widget->x + cursor->x;
+ y = _widget->y + cursor->line * widget->font->h;
+ eve_cmd_dl(BEGIN(EVE_LINES));
+ eve_cmd_dl(VERTEX2F(x, y));
+ eve_cmd_dl(VERTEX2F(x, y + widget->font->h));
+ eve_cmd_dl(END());
+}
+
+uint8_t eve_textw_draw(EVEWidget *_widget, EVEScreen *screen, uint8_t tag0, char active) {
+ int i;
+ int line0, lineN;
+ int _line0, _lineN;
+ char s, w, lineNvisible;
+ char ro = screen->ro;
+ EVERect *r = screen->visible;
+ EVETextWidget *widget = (EVETextWidget *)_widget;
+ EVETextCursor *c1, *c2;
+
+ if (ro) {
+ widget->line0 = 0;
+ widget->tag0 = 0;
+ widget->tagN = 0;
+ for (i=0; i<widget->line_len; i++) {
+ eve_cmd(CMD_TEXT, "hhhhpb", _widget->x, _widget->y + i * widget->font->h, widget->font->idx, 0, widget->text + LINE_START(widget, i), LINE_LEN(widget, i), 0);
+ }
+ return 0;
+ }
+
+ if (widget->cursor1.on && !active) {
+ eve_textw_cursor_clear(&widget->cursor1);
+ eve_textw_cursor_clear(&widget->cursor2);
+ }
+
+ if (widget->cursor2.on) {
+ if (widget->cursor1.ch <= widget->cursor2.ch) {
+ c1 = &widget->cursor1;
+ c2 = &widget->cursor2;
+ } else {
+ c1 = &widget->cursor2;
+ c2 = &widget->cursor1;
+ }
+ } else {
+ c1 = NULL;
+ c2 = NULL;
+ }
+
+ _line0 = line0 = ((int)r->y1 - _widget->y) / widget->font->h;
+ _lineN = lineN = ((int)r->y2 - _widget->y) / widget->font->h + 1;
+ // y1 = (int)y_min - y_offset
+ // y2 = (int)y_max - y_offset
+ // line0 = ((int)y_min - _widget->y - y_offset) / widget->font->h;
+ // lineN = ((int)y_max - _widget->y - y_offset) / widget->font->h + 1;
+ if (line0 < 0) line0 = 0;
+ if (lineN < 0) lineN = 0;
+ if (line0 > widget->line_len) line0 = widget->line_len;
+ if (lineN > widget->line_len) lineN = widget->line_len;
+ lineNvisible = (lineN >= _line0) && (lineN < _lineN);
+ widget->line0 = line0;
+ widget->tag0 = tag0;
+ widget->tagN = tag0;
+
+ s = 0;
+ w = lineNvisible || (line0 < lineN);
+ if (w) {
+ eve_cmd_dl(SAVE_CONTEXT());
+ eve_cmd_dl(VERTEX_FORMAT(0));
+ eve_cmd_dl(LINE_WIDTH(1));
+ }
+ for (i=line0; i<lineN; i++) {
+ if (c1 && !s && (c1->line == i)) {
+ int l1, l2, l3;
+
+ l1 = c1->ch - LINE_START(widget, i);
+ if (c2->line == i) {
+ l2 = c2->ch - c1->ch;
+ l3 = LINE_START(widget, i) + LINE_LEN(widget, i) - c2->ch;
+ } else {
+ l2 = LINE_START(widget, i) + LINE_LEN(widget, i) - c1->ch;
+ l3 = 0;
+ s = 1;
+ }
+ _draw_line(widget, i, LINE_START(widget, i), l1, 0, c1->x, 0);
+ _draw_line(widget, i, c1->ch, l2, c1->x, s ? _widget->w : c2->x, 1);
+ if (!s) {
+ _draw_line(widget, i, c2->ch, l3, c2->x, _widget->w, 0);
+ c1 = NULL;
+ c2 = NULL;
+ }
+ } else if (s && (c2->line == i)) {
+ int l1 = c2->ch - LINE_START(widget, i);
+ int l2 = LINE_START(widget, i) + LINE_LEN(widget, i) - c2->ch;
+
+ _draw_line(widget, i, LINE_START(widget, i), l1, 0, c2->x, 1);
+ _draw_line(widget, i, c2->ch, l2, c2->x, _widget->w, 0);
+ c1 = NULL;
+ c2 = NULL;
+ s = 0;
+ } else {
+ _draw_line(widget, i, LINE_START(widget, i), LINE_LEN(widget, i), 0, _widget->w, s);
+ }
+ if (widget->tagN && (widget->tagN < 0xfe)) widget->tagN++;
+ }
+ if (w) {
+ if (widget->cursor1.on && (widget->cursor1.line >= line0) && (widget->cursor1.line < lineN)) _draw_cursor(widget, &widget->cursor1);
+ if (widget->cursor2.on && (widget->cursor2.line >= line0) && (widget->cursor2.line < lineN)) _draw_cursor(widget, &widget->cursor2);
+ if (lineNvisible) {
+ _draw_line(widget, lineN, 0, 0, 0, _widget->w, 0);
+ } else {
+ widget->tagN--;
+ }
+ eve_cmd_dl(RESTORE_CONTEXT());
+ } else {
+ widget->line0 = 0;
+ widget->tag0 = 0;
+ widget->tagN = 0;
+ }
+ return widget->tagN;
+}
+
+void eve_textw_putc(void *_w, int c) {
+ int i, r;
+ EVETextWidget *widget = (EVETextWidget *)_w;
+ EVETextCursor *cursor1 = &widget->cursor1;
+ EVETextCursor *cursor2 = &widget->cursor2;
+
+ if (c == CH_EOF) {
+ eve_textw_cursor_clear(&widget->cursor1);
+ eve_textw_cursor_clear(&widget->cursor2);
+ return;
+ }
+
+ if (cursor1->on) {
+ char m = 0;
+ char *text = widget->text + cursor1->ch;
+
+ switch (c) {
+ case CH_BS:
+ if (cursor1->ch > 0) {
+ cursor1->x -= widget->font->w[*(text - 1)];
+ memmove(text - 1, text, widget->text_len - cursor1->ch + 1);
+ widget->text_len--;
+ cursor1->ch--;
+ m = -1;
+ }
+ break;
+ case CH_DEL:
+ if (cursor1->ch < widget->text_len) {
+ memmove(text, text + 1, widget->text_len - cursor1->ch);
+ widget->text_len--;
+ m = -1;
+ }
+ break;
+ default:
+ if (widget->text_len < (widget->text_size - 1)) {
+ cursor1->x += widget->font->w[c];
+ memmove(text + 1, text, widget->text_len - cursor1->ch + 1);
+ *text = c;
+ widget->text_len++;
+ cursor1->ch++;
+ m = 1;
+ }
+ break;
+ }
+
+ if (m == 0) return;
+ for (i=cursor1->line; i<widget->line_len; i++) {
+ widget->line[i] += m;
+ }
+ r = cursor1->line;
+ if (cursor1->line) r = eve_textw_update(widget, cursor1->line - 1);
+ if (r == cursor1->line) r = eve_textw_update(widget, cursor1->line);
+ if (r < 0) return;
+
+ if (cursor1->ch > widget->text_len) cursor1->ch = widget->text_len;
+ if (r != cursor1->line) {
+ if (cursor1->line && (cursor1->ch < LINE_START(widget, cursor1->line))) {
+ cursor1->line--;
+ eve_textw_cursor_update(widget, cursor1);
+ } else if (cursor1->ch > LINE_END(widget, cursor1->line)) {
+ cursor1->line++;
+ eve_textw_cursor_update(widget, cursor1);
+ }
+ }
+ }
+}
+
+int eve_textw_update(EVETextWidget *widget, uint16_t line) {
+ int i;
+ char ch;
+ uint8_t ch_w;
+ uint16_t word_w, line_w, line_b;
+ EVEWidget *_widget = (EVEWidget *)widget;
+
+ word_w = 0;
+ line_w = 0;
+ line_b = LINE_EMPTY;
+ for (i=LINE_START(widget, line); i<widget->text_size; i++) {
+ ch = widget->text[i];
+ ch_w = widget->font->w[ch];
+ if (ch <= 0x20) {
+ if ((ch == '\n') || (ch == '\0')) {
+ if (widget->line[line] == i) return line;
+ widget->line[line] = i;
+ line++;
+ if ((ch == '\0') || (line == widget->line_size)) break;
+ word_w = 0;
+ line_w = 0;
+ line_b = LINE_EMPTY;
+ } else if (ch == ' ') {
+ word_w = 0;
+ line_w += ch_w;
+ line_b = i;
+ } else {
+ return EVE_ERR_TEXT;
+ }
+ } else if (ch < 0x7f) {
+ word_w += ch_w;
+ line_w += ch_w;
+ } else {
+ return EVE_ERR_TEXT;
+ }
+ if ((line_w > _widget->w) && (line_b != LINE_EMPTY)) {
+ if (widget->line[line] == line_b) return line;
+ widget->line[line] = line_b;
+ line++;
+ if (line == widget->line_size) {
+ i = line_b;
+ break;
+ }
+ line_w = word_w;
+ line_b = LINE_EMPTY;
+ }
+ }
+
+ if (i == widget->text_size) i--;
+ widget->text[i] = '\0';
+ widget->text_len = i;
+
+ widget->line_len = line;
+ _widget->h = (line + 1) * widget->font->h;
+ for (i=line; i<widget->line_size; i++) {
+ widget->line[i] = LINE_EMPTY;
+ }
+}
+
+void eve_textw_cursor_update(EVETextWidget *widget, EVETextCursor *cursor) {
+ int i;
+ uint16_t x;
+
+ x = 0;
+ for (i=LINE_START(widget, cursor->line); i<LINE_END(widget, cursor->line); i++) {
+ if (cursor->ch == i) break;
+ x += widget->font->w[widget->text[i]];
+ }
+ cursor->x = x;
+}
+
+void eve_textw_cursor_set(EVETextWidget *widget, EVETextCursor *cursor, uint8_t tag, uint16_t x) {
+ int i;
+ uint16_t _x, _d;
+ uint16_t c_line = LINE_EMPTY;
+ EVEWidget *_widget = (EVEWidget *)widget;
+
+ if (widget->tag0 == 0) return;
+ if ((tag >= widget->tag0 && tag <= widget->tagN)) c_line = tag - widget->tag0 + widget->line0;
+ if (c_line < widget->line_len) {
+ cursor->line = c_line;
+ } else if (c_line == widget->line_len) {
+ cursor->line = c_line - 1;
+ } else if (!cursor->on) {
+ return;
+ }
+
+ x -= _widget->x;
+ _x = 0;
+ _d = x;
+ for (i=LINE_START(widget, cursor->line); i<LINE_END(widget, cursor->line); i++) {
+ _x += widget->font->w[widget->text[i]];
+ if (_x >= x) {
+ if (_x - x < _d) {
+ i++;
+ } else {
+ _x -= widget->font->w[widget->text[i]];
+ }
+ break;
+ } else {
+ _d = x - _x;
+ }
+ }
+ cursor->x = _x;
+ cursor->ch = i;
+ cursor->on = 1;
+}
+
+void eve_textw_cursor_clear(EVETextCursor *cursor) {
+ cursor->on = 0;
+}
\ No newline at end of file
diff --git a/code/fe310/eos/eve/widget/text.h b/code/fe310/eos/eve/widget/text.h
new file mode 100644
index 0000000..d75a075
--- /dev/null
+++ b/code/fe310/eos/eve/widget/text.h
@@ -0,0 +1,43 @@
+#include <stdint.h>
+
+#include "widget.h"
+#include "screen.h"
+#include "font.h"
+
+typedef struct EVETextCursor {
+ char on;
+ uint16_t x;
+ uint16_t line;
+ uint16_t ch;
+} EVETextCursor;
+
+typedef struct EVETextWidget {
+ EVEWidget w;
+ char *text;
+ uint16_t text_size;
+ uint16_t text_len;
+ uint16_t *line;
+ uint16_t line_size;
+ uint16_t line_len;
+ EVEFont *font;
+ EVETextCursor cursor1;
+ EVETextCursor cursor2;
+ uint16_t line0;
+ uint8_t tag0;
+ uint8_t tagN;
+ struct {
+ EVETextCursor *cursor;
+ short dx;
+ short dl;
+ char mode;
+ } track;
+} EVETextWidget;
+
+void eve_textw_init(EVETextWidget *widget, uint16_t x, uint16_t y, uint16_t w, uint16_t h, char *text, uint64_t text_size, uint16_t *line, uint16_t line_size, EVEFont *font);
+int eve_textw_touch(EVEWidget *_widget, EVEScreen *screen, uint8_t tag0, int touch_idx);
+uint8_t eve_textw_draw(EVEWidget *_widget, EVEScreen *screen, uint8_t tag0, char active);
+void eve_textw_putc(void *_w, int c);
+int eve_textw_update(EVETextWidget *widget, uint16_t line);
+void eve_textw_cursor_update(EVETextWidget *widget, EVETextCursor *cursor);
+void eve_textw_cursor_set(EVETextWidget *widget, EVETextCursor *cursor, uint8_t tag, uint16_t x);
+void eve_textw_cursor_clear(EVETextCursor *cursor);
\ No newline at end of file
diff --git a/code/fe310/eos/eve/widget/widget.h b/code/fe310/eos/eve/widget/widget.h
new file mode 100644
index 0000000..7638bbf
--- /dev/null
+++ b/code/fe310/eos/eve/widget/widget.h
@@ -0,0 +1,19 @@
+#include <stdint.h>
+
+#include "eve_kbd.h"
+
+#define EVE_WIDGET_TYPE_TEXT 1
+
+struct EVEScreen;
+
+typedef struct EVEWidget {
+ uint8_t type;
+ uint16_t x;
+ uint16_t y;
+ uint16_t w;
+ uint16_t h;
+ int (*touch) (struct EVEWidget *, struct EVEScreen *, uint8_t, int);
+ uint8_t (*draw) (struct EVEWidget *, struct EVEScreen *, uint8_t, char);
+ eve_kbd_input_handler_t putc;
+} EVEWidget;
+
--
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