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-rw-r--r--components/rtgui/widgets/edit.c348
1 files changed, 295 insertions, 53 deletions
diff --git a/components/rtgui/widgets/edit.c b/components/rtgui/widgets/edit.c
index 21fe2929a8..faf04a1594 100644
--- a/components/rtgui/widgets/edit.c
+++ b/components/rtgui/widgets/edit.c
@@ -16,13 +16,17 @@
#include <rtgui/widgets/edit.h>
#include <rtgui/widgets/scrollbar.h>
#include <rtgui/rtgui_system.h>
+#include <rtgui/filerw.h>
+extern int isprint(unsigned char ch); /* Quote from shell.c */
static void rtgui_edit_draw_caret(struct rtgui_edit *edit);
static void rtgui_edit_timeout(struct rtgui_timer* timer, void* parameter);
static rt_bool_t rtgui_edit_onfocus(struct rtgui_object* object, rtgui_event_t* event);
static rt_bool_t rtgui_edit_onunfocus(struct rtgui_object* object, rtgui_event_t* event);
+#ifdef RTGUI_EDIT_USING_SCROLL
static rt_bool_t rtgui_edit_hscroll_handle(struct rtgui_widget* widget, rtgui_event_t* event);
static rt_bool_t rtgui_edit_vscroll_handle(struct rtgui_widget* widget, rtgui_event_t* event);
+#endif
void _rtgui_edit_constructor(struct rtgui_edit *edit)
{
@@ -61,6 +65,8 @@ void _rtgui_edit_constructor(struct rtgui_edit *edit)
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(edit), "H", &font_rect);
edit->font_width = rtgui_rect_width(font_rect);
edit->font_height = rtgui_rect_height(font_rect);
+
+ edit->dbl_buf = rtgui_dc_buffer_create(edit->font_width*2+1, edit->font_height+1);
edit->head = RT_NULL;
edit->tail = RT_NULL;
@@ -88,6 +94,8 @@ void _rtgui_edit_deconstructor(struct rtgui_edit *edit)
edit->caret = RT_NULL;
if(edit->update_buf != RT_NULL)
rtgui_free(edit->update_buf);
+
+ rtgui_dc_destory(edit->dbl_buf);
}
DEFINE_CLASS_TYPE(edit, "edit",
@@ -156,6 +164,7 @@ void rtgui_edit_adjust_scroll(rtgui_scrollbar_t *bar)
rtgui_widget_set_rect(bar,&rect);
}
}
+RTM_EXPORT(rtgui_edit_adjust_scroll);
#endif
struct rtgui_edit* rtgui_edit_create(struct rtgui_container* container, int left, int top, int w, int h)
@@ -233,11 +242,13 @@ struct rtgui_edit* rtgui_edit_create(struct rtgui_container* container, int left
return edit;
}
+RTM_EXPORT(rtgui_edit_create);
void rtgui_edit_destroy(struct rtgui_edit* edit)
{
rtgui_widget_destroy(RTGUI_WIDGET(edit));
}
+RTM_EXPORT(rtgui_edit_destroy);
/**
* calc line buffer alloc length
@@ -247,7 +258,7 @@ void rtgui_edit_destroy(struct rtgui_edit* edit)
*
* @return get a proper standard values
*/
-rt_inline rt_size_t rtgui_edit_alloc_len(rt_size_t n, rt_size_t m)
+rt_inline rt_int16_t rtgui_edit_alloc_len(rt_int16_t n, rt_int16_t m)
{
if(n > m) return n;
#ifndef RTGUI_USING_SMALL_SIZE
@@ -261,7 +272,7 @@ rt_inline rt_size_t rtgui_edit_alloc_len(rt_size_t n, rt_size_t m)
* please use it to replace rt_strlen
* especially in reading the source file.
*/
-rt_inline rt_size_t rtgui_edit_line_strlen(const char *s)
+rt_inline rt_int16_t rtgui_edit_line_strlen(const char *s)
{
const char *sc;
/* ascii text end of 0x0A or 0x0D-0x0A*/
@@ -271,7 +282,7 @@ rt_inline rt_size_t rtgui_edit_line_strlen(const char *s)
rt_bool_t rtgui_edit_append_line(struct rtgui_edit* edit, const char *text)
{
- rt_size_t len;
+ rt_int16_t len;
struct edit_line *line, *node;
RT_ASSERT(edit != RT_NULL);
@@ -296,6 +307,7 @@ rt_bool_t rtgui_edit_append_line(struct rtgui_edit* edit, const char *text)
edit->head = line;
edit->tail = line;
line->prev = RT_NULL;
+ edit->first_line = line;
return RT_TRUE;
}
while(node->next != RT_NULL) node = node->next;
@@ -307,10 +319,11 @@ rt_bool_t rtgui_edit_append_line(struct rtgui_edit* edit, const char *text)
return RT_TRUE;
}
+RTM_EXPORT(rtgui_edit_append_line);
rt_bool_t rtgui_edit_insert_line(struct rtgui_edit *edit, struct edit_line *p, char *text)
{
- rt_size_t len;
+ rt_int16_t len;
struct edit_line *line;
RT_ASSERT(edit != RT_NULL);
@@ -346,6 +359,7 @@ rt_bool_t rtgui_edit_insert_line(struct rtgui_edit *edit, struct edit_line *p, c
return RT_TRUE;
}
+RTM_EXPORT(rtgui_edit_insert_line);
rt_bool_t rtgui_edit_delete_line(struct rtgui_edit* edit, struct edit_line *line)
{
@@ -396,10 +410,11 @@ rt_bool_t rtgui_edit_delete_line(struct rtgui_edit* edit, struct edit_line *line
return RT_TRUE;
}
+RTM_EXPORT(rtgui_edit_delete_line);
rt_bool_t rtgui_edit_connect_line(struct rtgui_edit* edit, struct edit_line *line, struct edit_line *connect)
{
- rt_size_t len1,len2;
+ rt_int16_t len1,len2;
RT_ASSERT(edit != RT_NULL);
RT_ASSERT(line != RT_NULL);
@@ -416,6 +431,7 @@ rt_bool_t rtgui_edit_connect_line(struct rtgui_edit* edit, struct edit_line *lin
line->len = rtgui_edit_line_strlen(line->text);
return RT_TRUE;
}
+RTM_EXPORT(rtgui_edit_connect_line);
static void rtgui_edit_get_caret_rect(struct rtgui_edit *edit, rtgui_rect_t *rect, rtgui_point_t visual)
{
@@ -536,6 +552,7 @@ struct edit_line* rtgui_edit_get_line_by_index(struct rtgui_edit *edit, rt_uint3
}
return line;
}
+RTM_EXPORT(rtgui_edit_get_line_by_index);
rt_uint32_t rtgui_edit_get_index_by_line(struct rtgui_edit *edit, struct edit_line *line)
{
@@ -559,6 +576,71 @@ rt_uint32_t rtgui_edit_get_index_by_line(struct rtgui_edit *edit, struct edit_li
}
return index;
}
+RTM_EXPORT(rtgui_edit_get_index_by_line);
+
+enum {
+ EDIT_IDENT_DIR_BOTH,
+ EDIT_IDENT_DIR_LEFT,
+ EDIT_IDENT_DIR_RIGHT
+};
+/*
+* identify a byte is double byte
+* @param dir set direction.
+* @param *p record the position of the effective.
+* @return RT_TRUE is Got it, else not found.
+*/
+static rt_bool_t identify_double_byte(struct rtgui_edit *edit, struct edit_line *line,
+ rt_uint32_t dir, rt_int16_t *p)
+{
+ int index, effe_nums;
+
+ RT_ASSERT(edit != RT_NULL);
+ RT_ASSERT(line != RT_NULL);
+
+ if(dir == EDIT_IDENT_DIR_BOTH)
+ {
+ }
+ else if(dir == EDIT_IDENT_DIR_LEFT)
+ {
+ if(edit->upleft.x == 0 && edit->visual.x == 0)
+ return RT_FALSE;
+ index = edit->upleft.x + edit->visual.x;
+ effe_nums = 0;
+ while(index--)
+ {
+ if(*(line->text + index) >= 0x80)
+ effe_nums ++;
+ else
+ break;
+ }
+ if(effe_nums > 0)
+ {
+ *p = 2-effe_nums%2;
+ return RT_TRUE;
+ }
+ }
+ else if(dir == EDIT_IDENT_DIR_RIGHT)
+ {
+ if(edit->upleft.x + edit->visual.x == line->len)
+ return RT_FALSE;
+ index = edit->upleft.x + edit->visual.x;
+ effe_nums = 0;
+ while(index < line->len)
+ {
+ if(*(line->text + index) >= 0x80)
+ effe_nums ++;
+ else
+ break;
+ index ++;
+ }
+ if(effe_nums > 0)
+ {
+ *p = 2-effe_nums%2;
+ return RT_TRUE;
+ }
+ }
+ return RT_FALSE;
+}
static void rtgui_edit_onmouse(struct rtgui_edit* edit, struct rtgui_event_mouse* emouse)
{
@@ -580,6 +662,7 @@ static void rtgui_edit_onmouse(struct rtgui_edit* edit, struct rtgui_event_mouse
if(emouse->button & RTGUI_MOUSE_BUTTON_DOWN)
{
struct edit_line *line;
+ rt_int16_t tmp_pos=0;
edit->visual.x = x;
edit->visual.y = y;
@@ -590,7 +673,16 @@ static void rtgui_edit_onmouse(struct rtgui_edit* edit, struct rtgui_event_mouse
if(edit->visual.x > line->len)
edit->visual.x = line->len;
-
+ if(edit->upleft.x > 0)
+ {
+ if(edit->upleft.x >= line->len)
+ edit->upleft.x = 0;
+ else
+ edit->visual.x -= edit->upleft.x;
+ rtgui_edit_ondraw(edit);
+ }
+ if(identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos))
+ edit->visual.x -= (2-tmp_pos);
if(edit->flag & RTGUI_EDIT_CARET)
{
if(edit->caret_timer != RT_NULL)
@@ -820,9 +912,11 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
else
{
char *c;
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_RIGHT, &tmp_pos);
/* remove character */
- for(c = &line->text[ofs]; c[1] != '\0'; c++)
- *c = c[1];
+ for(c = &line->text[ofs]; c[tmp_pos] != '\0'; c++)
+ *c = c[tmp_pos];
*c = '\0';
}
update_type = EDIT_UPDATE;
@@ -873,19 +967,23 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
/* delete front character */
if(edit->visual.x == line->len)
{
- line->text[edit->visual.x-1] = '\0';
- edit->visual.x --;
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
+ line->text[edit->visual.x-tmp_pos] = '\0';
+ edit->visual.x -= tmp_pos;
}
else if(edit->visual.x != 0)
{ /* remove current character */
char *c;
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
/* remove character */
- for(c = &line->text[edit->visual.x - 1]; c[1] != '\0'; c++)
+ for(c = &line->text[edit->visual.x - tmp_pos]; c[tmp_pos] != '\0'; c++)
{
- *c = c[1];
+ *c = c[tmp_pos];
}
*c = '\0';
- edit->visual.x --;
+ edit->visual.x -= tmp_pos;
}
/* adjusted line buffer length */
if(rtgui_edit_alloc_len(edit->bzsize, line->len+2) < line->zsize)
@@ -924,15 +1022,38 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
{
if(prev_line->len <= edit->upleft.x)
{
- edit->upleft.x = 0;
- edit->visual.x = prev_line->len;
+ if(prev_line->len <= edit->col_per_page)
+ {
+ edit->upleft.x = 0;
+ edit->visual.x = prev_line->len;
+ }
+ else
+ {
+ edit->upleft.x = prev_line->len - (edit->col_per_page-1);
+ edit->visual.x = edit->col_per_page-1;
+ }
update_type = EDIT_ONDRAW;
}
else if(prev_line->len - edit->upleft.x < edit->col_per_page)
- edit->visual.x = prev_line->len - edit->upleft.x;
+ {
+ if(edit->visual.x > prev_line->len - edit->upleft.x)
+ edit->visual.x = prev_line->len - edit->upleft.x;
+ else
+ {
+ rt_int16_t tmp_pos=0;
+ if(identify_double_byte(edit, prev_line, EDIT_IDENT_DIR_LEFT, &tmp_pos))
+ edit->visual.x -= (2-tmp_pos);
+ }
+ }
}
else if(edit->visual.x > prev_line->len)
edit->visual.x = prev_line->len;
+ else if(prev_line->len >= 2)
+ {
+ rt_int16_t tmp_pos=0;
+ if(identify_double_byte(edit, prev_line, EDIT_IDENT_DIR_LEFT, &tmp_pos))
+ edit->visual.x -= (2-tmp_pos);
+ }
#ifdef RTGUI_EDIT_USING_SCROLL
/* update vscroll */
@@ -974,15 +1095,38 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
{
if(next_line->len <= edit->upleft.x)
{
- edit->upleft.x = 0;
- edit->visual.x = next_line->len;
+ if(next_line->len <= edit->col_per_page)
+ {
+ edit->upleft.x = 0;
+ edit->visual.x = next_line->len;
+ }
+ else
+ {
+ edit->upleft.x = next_line->len - (edit->col_per_page-1);
+ edit->visual.x = edit->col_per_page-1;
+ }
update_type = EDIT_ONDRAW;
}
else if(next_line->len - edit->upleft.x < edit->col_per_page)
- edit->visual.x = next_line->len - edit->upleft.x;
+ {
+ if(edit->visual.x > next_line->len - edit->upleft.x)
+ edit->visual.x = next_line->len - edit->upleft.x;
+ else
+ {
+ rt_int16_t tmp_pos=0;
+ if(identify_double_byte(edit, next_line, EDIT_IDENT_DIR_LEFT, &tmp_pos))
+ edit->visual.x -= (2-tmp_pos);
+ }
+ }
}
else if(edit->visual.x > next_line->len)
edit->visual.x = next_line->len;
+ else if(next_line->len >= 2)
+ {
+ rt_int16_t tmp_pos=0;
+ if(identify_double_byte(edit, next_line, EDIT_IDENT_DIR_LEFT, &tmp_pos))
+ edit->visual.x -= (2-tmp_pos);
+ }
#ifdef RTGUI_EDIT_USING_SCROLL
/* update vscroll */
@@ -996,12 +1140,24 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
else if(ekbd->key == RTGUIK_LEFT)
{ /* move to prev char */
if(edit->visual.x > 0)
- edit->visual.x --;
+ {
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
+ edit->visual.x -= tmp_pos;
+ if(edit->visual.x == -1)
+ {
+ edit->visual.x = 0;
+ edit->upleft.x --;
+ update_type = EDIT_ONDRAW;
+ }
+ }
else
{
if(edit->upleft.x > 0)
{
- edit->upleft.x --;
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
+ edit->upleft.x -= tmp_pos;
update_type = EDIT_ONDRAW;
}
else
@@ -1028,7 +1184,11 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
if(edit->upleft.x+edit->col_per_page <= line->len)
{
if(edit->visual.x < edit->col_per_page-1)
- edit->visual.x ++;
+ {
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_RIGHT, &tmp_pos);
+ edit->visual.x += tmp_pos;
+ }
else if(edit->visual.x == edit->col_per_page-1)
{
if(edit->upleft.x+edit->col_per_page < line->len)
@@ -1051,7 +1211,11 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
else
{
if(edit->visual.x < line->len)
- edit->visual.x ++;
+ {
+ rt_int16_t tmp_pos=1;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_RIGHT, &tmp_pos);
+ edit->visual.x += tmp_pos;
+ }
else
{
struct rtgui_event_kbd event_kbd;
@@ -1105,9 +1269,6 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
{
struct edit_line *update_end_line;
struct rtgui_event_kbd event_kbd;
-
- update_type = EDIT_UPDATE;
- edit->update.start = edit->visual;
/* insert a new line buffer */
rtgui_edit_insert_line(edit, line, line->text + edit->upleft.x + edit->visual.x);
@@ -1115,8 +1276,10 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
line->len = rtgui_edit_line_strlen(line->text);
/* adjust update line end position */
- if((edit->max_rows-edit->upleft.y) >= edit->row_per_page)
+ if((edit->max_rows-edit->upleft.y) > edit->row_per_page)
{
+ update_type = EDIT_UPDATE;
+ edit->update.start = edit->visual;
update_end_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y+edit->row_per_page-1);
if(update_end_line != RT_NULL)
{
@@ -1124,11 +1287,18 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
edit->update.end.y = edit->upleft.y + edit->row_per_page;
}
}
- else
+ else if((edit->max_rows-edit->upleft.y) < edit->row_per_page)
{
int update_end_index = rtgui_edit_get_index_by_line(edit, edit->tail);
+ update_type = EDIT_UPDATE;
+ edit->update.start = edit->visual;
edit->update.end.x = edit->tail->len;
edit->update.end.y = update_end_index;
+ }
+ else
+ {
+ /* nothing */
+ /* it will be adjusted upleft.y when entering DOWN case */
}
/* move the caret to the next line head */
@@ -1139,7 +1309,7 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
}
else
{
- if(isprint(ekbd->key))
+ if(isprint((unsigned char)ekbd->key))
{ /* it's may print character */
update_type = EDIT_UPDATE;
edit->update.start = edit->visual;
@@ -1164,7 +1334,7 @@ static rt_bool_t rtgui_edit_onkey(struct rtgui_object* object, rtgui_event_t* ev
for(c = &line->text[line->len]; c != &line->text[ofs]; c--)
*c = *(c-1);
}
- line->text[ofs] = ekbd->key;
+ line->text[ofs] = (char)ekbd->key;
if(edit->visual.x < edit->col_per_page-1)
edit->visual.x ++;
line->text[line->len+1] = '\0';
@@ -1282,7 +1452,7 @@ static rt_bool_t rtgui_edit_vscroll_handle(struct rtgui_widget* widget, rtgui_ev
/* local area update */
void rtgui_edit_update(struct rtgui_edit *edit)
{
- rt_uint32_t i,cpy_len=0,prev_len;
+ rt_int16_t i,cpy_len=0,prev_len;
rtgui_rect_t rect, r;
struct rtgui_dc *dc;
char *src;
@@ -1381,8 +1551,10 @@ void rtgui_edit_ondraw(struct rtgui_edit *edit)
{
rtgui_rect_t rect, r;
struct rtgui_dc *dc;
+#ifdef RTGUI_EDIT_USING_SCROLL
int hscroll_flag=0;
int vscroll_flag=0;
+#endif
RT_ASSERT(edit != RT_NULL);
@@ -1424,8 +1596,39 @@ void rtgui_edit_ondraw(struct rtgui_edit *edit)
rect.y2 = rect.y1 + edit->item_height;
while(line)
{
+ rt_int16_t tmp_pos=0, ofs;
+ char *str = line->text+edit->upleft.x;
+
if(edit->upleft.x < line->len)
- rtgui_dc_draw_text(dc, line->text+edit->upleft.x, &rect);
+ {
+ rtgui_point_t p = edit->visual; /* backup */
+ edit->visual.x = 0;
+ identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
+ ofs = tmp_pos % 2;
+ if(ofs == 1)
+ { /* use dc_buffer draw the left half of double byte */
+ char dbl_bmp[3];
+ rtgui_point_t pot = {0};
+ rtgui_rect_t r = {0};
+
+ pot.x = edit->font_width;
+ r.x2 = edit->font_width*2;
+ r.y2 = edit->font_height;
+ dbl_bmp[0] = *(str-1);
+ dbl_bmp[1] = *str;
+ dbl_bmp[2] = '\0';
+ RTGUI_DC_BC(edit->dbl_buf) = RTGUI_WIDGET_BACKGROUND(edit);
+ rtgui_dc_fill_rect(edit->dbl_buf, &r);
+ RTGUI_DC_FC(edit->dbl_buf) = RTGUI_WIDGET_FOREGROUND(edit);
+ rtgui_dc_draw_text(edit->dbl_buf, dbl_bmp, &r);
+ rtgui_dc_blit(edit->dbl_buf, &pot, dc, &rect);
+ }
+ rect.x1 += ofs * edit->font_width;
+ rtgui_dc_draw_text(dc, line->text+edit->upleft.x+ofs, &rect);
+ rect.x1 -= ofs * edit->font_width;
+ edit->visual = p; /* restore */
+ }
+
line = line->next;
rect.y1 += edit->item_height;
if((rect.y1 + edit->item_height) < r.y2)
@@ -1469,8 +1672,10 @@ void rtgui_edit_ondraw(struct rtgui_edit *edit)
void rtgui_edit_set_text(struct rtgui_edit* edit, const char* text)
{
const char *begin, *ptr;
+#ifdef RTGUI_EDIT_USING_SCROLL
int hscroll_flag=0;
int vscroll_flag=0;
+#endif
RT_ASSERT(edit != RT_NULL);
@@ -1497,7 +1702,6 @@ void rtgui_edit_set_text(struct rtgui_edit* edit, const char* text)
if(begin < ptr)
rtgui_edit_append_line(edit, begin);
}
- edit->first_line = edit->head;
#ifdef RTGUI_EDIT_USING_SCROLL
if(edit->hscroll != RT_NULL)
@@ -1539,11 +1743,12 @@ void rtgui_edit_set_text(struct rtgui_edit* edit, const char* text)
{
rtgui_edit_adjust_scroll(edit->vscroll);
}
-#endif
+
if(hscroll_flag || vscroll_flag)
{
rtgui_widget_update_clip(RTGUI_WIDGET(edit));
}
+#endif
}
rt_bool_t rtgui_edit_event_handler(struct rtgui_object* object, rtgui_event_t* event)
@@ -1587,21 +1792,56 @@ rt_bool_t rtgui_edit_event_handler(struct rtgui_object* object, rtgui_event_t* e
return RT_FALSE;
}
+rtgui_point_t rtgui_edit_get_current_point(struct rtgui_edit *edit)
+{
+ rtgui_point_t p;
+
+ RT_ASSERT(edit != RT_NULL);
+
+ p.x = edit->upleft.x + edit->visual.x;
+ p.y = edit->upleft.y + edit->visual.y;
+
+ return p;
+}
+
+rt_uint32_t rtgui_edit_get_mem_consume(struct rtgui_edit *edit)
+{
+ rt_uint32_t mem_size;
+ struct edit_line *line;
+
+ mem_size = sizeof(struct rtgui_edit);
+ mem_size += edit->col_per_page + 1; /* update_buf */
+ if(edit->head != RT_NULL)
+ {
+ line = edit->head;
+ while(line)
+ {
+ mem_size += line->zsize;
+ mem_size += sizeof(struct edit_line);
+ line = line->next;
+ }
+ }
+
+ return mem_size;
+}
+
/**
* File access component, General File Access Interface
*/
rt_bool_t rtgui_edit_readin_file(struct rtgui_edit *edit, const char *filename)
{
- int fd, num=0, read_bytes, size ,len=0;
+ struct rtgui_filerw *filerw;
+ int num=0, read_bytes, size ,len=0;
char *text ,ch;
- fd = open(filename, O_RDONLY, 0);
- if (fd < 0)
- {
- return RT_FALSE;
- }
-
+ filerw = rtgui_filerw_create_file(filename, "rb");
+ if (filerw == RT_NULL) return RT_FALSE;
+ /**
+ * If it was in the debug of the win32, If document encode is UTF-8 or Unicode,
+ * Will read to garbled code when using the function read documents.
+ * You can Change of the document contains the source code for ANSI.
+ */
while(edit->max_rows > 0)
rtgui_edit_delete_line(edit, edit->head);
edit->max_rows = 0;
@@ -1611,8 +1851,8 @@ rt_bool_t rtgui_edit_readin_file(struct rtgui_edit *edit, const char *filename)
if(text == RT_NULL) return RT_FALSE;
do {
- if ( (read_bytes = read(fd, &ch, 1)) > 0 )
- {
+ if ( (read_bytes = rtgui_filerw_read(filerw, &ch, 1, 1)) > 0 )
+ { /* rt_kprintf("ch=%02X ",ch); DEBUG */
if(num >= size - 1)
text = rt_realloc(text, rtgui_edit_alloc_len(size, num));
if(ch == 0x09) //Tab
@@ -1630,9 +1870,14 @@ rt_bool_t rtgui_edit_readin_file(struct rtgui_edit *edit, const char *filename)
}
}
+ else if(num > 0)
+ { /* last line does not exist the end operator */
+ *(text + num) = '\0';
+ rtgui_edit_append_line(edit, text);
+ }
} while(read_bytes);
- close(fd);
+ rtgui_filerw_close(filerw);
rtgui_free(text);
rtgui_edit_ondraw(edit);
@@ -1641,26 +1886,23 @@ rt_bool_t rtgui_edit_readin_file(struct rtgui_edit *edit, const char *filename)
rt_bool_t rtgui_edit_saveas_file(struct rtgui_edit *edit, const char *filename)
{
- int fd;
+ struct rtgui_filerw *filerw;
char ch_tailed = 0x0A;
struct edit_line *line;
- fd = open(filename, O_WRONLY | O_CREAT, 0);
- if (fd < 0)
- {
- return RT_FALSE;
- }
+ filerw = rtgui_filerw_create_file(filename, "wb");
+ if (filerw == RT_NULL) return RT_FALSE;
line = edit->head;
while(line)
{
- write(fd, line->text, line->len);
+ rtgui_filerw_write(filerw, line->text, line->len, 1);
if(line != edit->tail)
- write(fd, &ch_tailed, 1);
+ rtgui_filerw_write(filerw, &ch_tailed, 1, 1);
line = line->next;
}
- close(fd);
+ rtgui_filerw_close(filerw);
return RT_TRUE;
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-30 06:48:14 +0000