summaryrefslogtreecommitdiff
path: root/code/fe310/eos/eve/widget/text.c
diff options
context:
space:
mode:
Diffstat (limited to 'code/fe310/eos/eve/widget/text.c')
-rw-r--r--code/fe310/eos/eve/widget/text.c504
1 files changed, 0 insertions, 504 deletions
diff --git a/code/fe310/eos/eve/widget/text.c b/code/fe310/eos/eve/widget/text.c
deleted file mode 100644
index 1c24894..0000000
--- a/code/fe310/eos/eve/widget/text.c
+++ /dev/null
@@ -1,504 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "eve.h"
-#include "eve_kbd.h"
-
-#include "screen/screen.h"
-#include "screen/window.h"
-#include "screen/page.h"
-#include "screen/font.h"
-
-#include "label.h"
-#include "widget.h"
-#include "text.h"
-
-#define CH_BS 0x08
-#define CH_DEL 0x7f
-#define CH_EOF 0x1a
-
-#define CH_CTRLX 0x18
-#define CH_CTRLC 0x03
-#define CH_CTRLV 0x16
-
-#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
-
-#define CHAR_VALID_INPUT(c) (((c >= 0x20) && (c < 0x7f)) || (c == '\n'))
-
-void eve_textw_init(EVETextWidget *widget, EVERect *g, EVEFont *font, char *text, uint16_t text_size, uint16_t *line, uint16_t line_size) {
- EVEWidget *_widget = &widget->w;
-
- memset(widget, 0, sizeof(EVETextWidget));
- eve_widget_init(_widget, EVE_WIDGET_TYPE_TEXT, g, eve_textw_touch, eve_textw_draw, eve_textw_putc);
- widget->font = font;
- widget->text = text;
- widget->text_size = text_size;
- widget->line = line;
- widget->line_size = line_size;
- if (text_size && line_size) eve_textw_update(widget, NULL, 0);
-}
-
-static EVETextCursor *cursor_prox(EVETextWidget *widget, EVETextCursor *cursor, EVEPage *page, EVETouch *t, short *dx, short *dl) {
- EVEWidget *_widget = &widget->w;
- int x = eve_page_x(page, t->x0) - _widget->g.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, EVEPage *page, uint8_t tag0, int touch_idx, EVERect *focus) {
- EVETextWidget *widget = (EVETextWidget *)_widget;
- EVETouch *t;
- uint16_t evt;
- int ret = 0;
-
- if (touch_idx > 0) return 0;
-
- t = eve_touch_evt(tag0, touch_idx, widget->tag0, widget->tagN - widget->tag0, &evt);
- if (t && evt) {
- EVETextCursor *t_cursor = NULL;
- short dx, dl;
-
- if (evt & (EVE_TOUCH_ETYPE_LPRESS | EVE_TOUCH_ETYPE_TRACK_START)) {
- if (widget->cursor2.on) {
- t_cursor = cursor_prox(widget, &widget->cursor2, page, t, &dx, &dl);
- }
- if ((t_cursor == NULL) && widget->cursor1.on) {
- t_cursor = cursor_prox(widget, &widget->cursor1, page, t, &dx, &dl);
- }
- if (evt & EVE_TOUCH_ETYPE_TRACK_START) {
- 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;
- }
- }
- }
-
- switch (widget->track.mode) {
- case TEXTW_TMODE_SCROLL:
- if (page->handle_evt) page->handle_evt(page, _widget, t, evt, tag0, touch_idx);
- break;
-
- case TEXTW_TMODE_CURSOR:
- if (evt & EVE_TOUCH_ETYPE_TRACK) eve_textw_cursor_set(widget, widget->track.cursor, t->tag + widget->track.dl, eve_page_x(page, t->x) + widget->track.dx);
- break;
-
- default:
- if (evt & EVE_TOUCH_ETYPE_LPRESS) {
- if (widget->cursor2.on) {
- // copy
- } else if (widget->cursor1.on) {
- if (t_cursor && (dl == 0)) {
- // paste
- } else {
- eve_textw_cursor_set(widget, &widget->cursor2, t->tag, eve_page_x(page, t->x));
- }
- } else {
- // select
- }
- }
- if ((evt & EVE_TOUCH_ETYPE_POINT_UP) && !(t->eevt & EVE_TOUCH_EETYPE_LPRESS)) {
- eve_textw_cursor_set(widget, &widget->cursor1, t->tag_up, eve_page_x(page, t->x0));
- if (widget->cursor2.on) eve_textw_cursor_clear(widget, &widget->cursor2);
- widget->cursor_f = &widget->cursor1;
- }
- break;
- }
-
- if (evt & EVE_TOUCH_ETYPE_TRACK_STOP) {
- widget->track.mode = 0;
- widget->track.cursor = NULL;
- widget->track.dx = 0;
- widget->track.dl = 0;
- }
-
- ret = 1;
- }
-
- if (widget->cursor_f && focus) {
- focus->x = _widget->g.x;
- focus->y = _widget->g.y + widget->cursor_f->line * widget->font->h;
- focus->w = _widget->g.w;
- focus->h = 2 * widget->font->h;
- widget->cursor_f = NULL;
- }
-
- return ret;
-}
-
-static void _draw_line(EVETextWidget *widget, EVEWindow *window, uint16_t l, uint16_t ch, uint16_t len, uint16_t x1, uint16_t x2, char s) {
- EVEWidget *_widget = &widget->w;
-
- if (x1 != x2) {
- eve_cmd_dl(BEGIN(EVE_RECTS));
- if (!s) eve_cmd_dl(COLOR_MASK(0 ,0 ,0 ,0));
- eve_cmd_dl(VERTEX2F(_widget->g.x + x1, _widget->g.y + l * widget->font->h));
- eve_cmd_dl(VERTEX2F(_widget->g.x + x2, _widget->g.y + (l + 1) * widget->font->h));
- if (!s) eve_cmd_dl(COLOR_MASK(1 ,1 ,1 ,1));
- eve_cmd_dl(END());
- if (len) {
- if (s) eve_cmd_dl(COLOR_RGBC(window->color_bg));
- eve_cmd(CMD_TEXT, "hhhhpb", _widget->g.x + x1, _widget->g.y + l * widget->font->h, widget->font->id, 0, widget->text + ch, len, 0);
- if (s) eve_cmd_dl(COLOR_RGBC(window->color_fg));
- }
- }
-}
-
-static void _draw_cursor(EVETextWidget *widget, EVETextCursor *cursor) {
- uint16_t x, y;
- EVEWidget *_widget = &widget->w;
-
- x = _widget->g.x + cursor->x;
- y = _widget->g.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, EVEPage *page, uint8_t tag0) {
- EVETextWidget *widget = (EVETextWidget *)_widget;
- int line0, lineN;
- int _line0, _lineN;
- char lineNvisible;
-
- _line0 = line0 = ((int)page->win_y - _widget->g.y) / widget->font->h;
- _lineN = lineN = ceil((double)((int)page->win_y - _widget->g.y + page->v.window->g.h) / widget->font->h);
- 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);
-
- if (lineNvisible || (line0 < lineN)) {
- int i;
- char s = 0;
- EVETextCursor *c1, *c2;
-
- widget->line0 = line0;
- widget->tag0 = tag0;
- widget->tagN = tag0;
-
- 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;
- }
-
- for (i=line0; i<lineN; i++) {
- if (widget->tagN != EVE_TAG_NOTAG) {
- eve_cmd_dl(TAG(widget->tagN));
- eve_touch_set_opt(widget->tagN, EVE_TOUCH_OPT_LPRESS);
- widget->tagN++;
- }
- if (!s && c1 && (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, page->v.window, i, LINE_START(widget, i), l1, 0, c1->x, 0);
- _draw_line(widget, page->v.window, i, c1->ch, l2, c1->x, s ? _widget->g.w : c2->x, 1);
- if (!s) {
- _draw_line(widget, page->v.window, i, c2->ch, l3, c2->x, _widget->g.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, page->v.window, i, LINE_START(widget, i), l1, 0, c2->x, 1);
- _draw_line(widget, page->v.window, i, c2->ch, l2, c2->x, _widget->g.w, 0);
- c1 = NULL;
- c2 = NULL;
- s = 0;
- } else {
- if (widget->cursor1.on && (widget->cursor1.line == i)) _draw_cursor(widget, &widget->cursor1);
- _draw_line(widget, page->v.window, i, LINE_START(widget, i), LINE_LEN(widget, i), 0, _widget->g.w, s);
- }
- }
- if (lineNvisible) {
- if (widget->tagN != EVE_TAG_NOTAG) {
- eve_cmd_dl(TAG(widget->tagN));
- eve_touch_set_opt(widget->tagN, EVE_TOUCH_OPT_LPRESS);
- widget->tagN++;
- }
- _draw_line(widget, page->v.window, lineN, 0, 0, 0, _widget->g.w, 0);
- }
-
- return widget->tagN;
- } else {
- widget->line0 = 0;
- widget->tag0 = EVE_TAG_NOTAG;
- widget->tagN = EVE_TAG_NOTAG;
-
- return tag0;
- }
-}
-
-void eve_textw_putc(void *_page, int c) {
- EVEPage *page = _page;
- EVETextWidget *widget = (EVETextWidget *)eve_page_get_focus(page);
- EVETextCursor *cursor1 = &widget->cursor1;
- EVETextCursor *cursor2 = &widget->cursor2;
- char *text;
- int i, r, ins_c = 0, del_c = 0;
- int ch_w = 0;
-
- if (c == CH_EOF) {
- if (cursor1->on) eve_textw_cursor_clear(widget, cursor1);
- if (cursor2->on) eve_textw_cursor_clear(widget, cursor2);
- return;
- }
-
- if (!cursor1->on) return;
-
- if (cursor2->on) {
- EVETextCursor *c1;
- EVETextCursor *c2;
- char *clipb = NULL;
-
- if (cursor1->ch <= cursor2->ch) {
- c1 = cursor1;
- c2 = cursor2;
- } else {
- c1 = cursor2;
- c2 = cursor1;
- }
-
- text = widget->text + c1->ch;
- del_c = c2->ch - c1->ch;
- if ((c == CH_CTRLX) || (c == CH_CTRLC)) {
- // eve_clipb_push(text, del_c);
- if (c == CH_CTRLC) return;
- }
- if (CHAR_VALID_INPUT(c) && (widget->text_len < widget->text_size + del_c - 1)) {
- ins_c = 1;
- ch_w = widget->font->w_ch[c];
- } else if (c == CH_CTRLV) {
- // clipb = eve_clipb_pop();
- ins_c = clipb ? strlen(clipb) : 0;
- if (ins_c) {
- if (widget->text_len >= widget->text_size - (ins_c - del_c)) ins_c = widget->text_size - widget->text_len + del_c - 1;
- ch_w = eve_font_buf_w(widget->font, clipb, ins_c);
- }
- }
- if (ins_c != del_c) memmove(text + ins_c, text + del_c, widget->text_len - c2->ch + 1);
- if (ins_c) {
- if (c == CH_CTRLV) {
- memcpy(text, clipb, ins_c);
- } else {
- *text = c;
- }
- c1->ch += ins_c;
- }
- if (c1 == cursor2) widget->cursor1 = widget->cursor2;
- eve_textw_cursor_clear(widget, cursor2);
- } else {
- text = widget->text + cursor1->ch;
-
- switch (c) {
- case CH_BS:
- if (cursor1->ch > 0) {
- ch_w = -widget->font->w_ch[*(text - 1)];
- memmove(text - 1, text, widget->text_len - cursor1->ch + 1);
- cursor1->ch--;
- del_c = 1;
- }
- break;
-
- case CH_DEL:
- if (cursor1->ch < widget->text_len) {
- memmove(text, text + 1, widget->text_len - cursor1->ch);
- del_c = 1;
- }
- break;
-
- default:
- if (CHAR_VALID_INPUT(c) && (widget->text_len < widget->text_size - 1)) {
- ch_w = widget->font->w_ch[c];
- memmove(text + 1, text, widget->text_len - cursor1->ch + 1);
- *text = c;
- cursor1->ch++;
- ins_c = 1;
- }
- break;
- }
- }
-
- if ((ins_c == 0) && (del_c == 0)) return;
-
- widget->text_len += ins_c - del_c;
- for (i=cursor1->line; i<widget->line_len; i++) {
- widget->line[i] += ins_c - del_c;
- }
-
- r = cursor1->line;
- if (cursor1->line) r = eve_textw_update(widget, page, cursor1->line - 1);
- if ((cursor1->line == 0) || (r == cursor1->line - 1)) r = eve_textw_update(widget, page, cursor1->line);
- if (r < 0) return;
-
- if (cursor1->line && (cursor1->ch < LINE_START(widget, cursor1->line))) {
- cursor1->line--;
- widget->cursor_f = cursor1;
- eve_textw_cursor_update(widget, cursor1);
- } else if (cursor1->ch > LINE_END(widget, cursor1->line)) {
- while (cursor1->ch > LINE_END(widget, cursor1->line)) cursor1->line++;
- widget->cursor_f = cursor1;
- eve_textw_cursor_update(widget, cursor1);
- } else {
- cursor1->x += ch_w;
- }
-}
-
-int eve_textw_update(EVETextWidget *widget, EVEPage *page, uint16_t line) {
- int i;
- char ch;
- uint8_t ch_w;
- uint16_t word_w, line_w, line_b;
- uint16_t new_h;
- EVEWidget *_widget = &widget->w;
-
- 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];
- if (ch < 128) ch_w = widget->font->w_ch[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->g.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;
- new_h = (line + 1) * widget->font->h;
- for (i=line; i<widget->line_size; i++) {
- widget->line[i] = LINE_EMPTY;
- }
-
- if (_widget->g.h != new_h) {
- _widget->g.h = new_h;
- if (page && page->update_g) page->update_g(page, _widget);
- }
-
- return line;
-}
-
-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_ch[widget->text[i]];
- }
- cursor->x = x;
-}
-
-void eve_textw_cursor_set(EVETextWidget *widget, EVETextCursor *cursor, uint8_t tag, int16_t x) {
- int i;
- int16_t _x, _d;
- uint16_t c_line = LINE_EMPTY;
- EVEWidget *_widget = &widget->w;
-
- if ((tag >= widget->tag0) && ((widget->tagN == EVE_TAG_NOTAG) || (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->g.x;
- _x = 0;
- _d = x;
- for (i=LINE_START(widget, cursor->line); i<LINE_END(widget, cursor->line); i++) {
- _x += widget->font->w_ch[widget->text[i]];
- if (_x >= x) {
- if (_x - x < _d) {
- i++;
- } else {
- _x -= widget->font->w_ch[widget->text[i]];
- }
- break;
- } else {
- _d = x - _x;
- }
- }
- cursor->x = _x;
- cursor->ch = i;
- cursor->on = 1;
-}
-
-void eve_textw_cursor_clear(EVETextWidget *widget, EVETextCursor *cursor) {
- cursor->on = 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 12:35:04 +0000