diff options
Diffstat (limited to 'components/rtgui/widgets/edit.c')
| -rw-r--r-- | components/rtgui/widgets/edit.c | 1959 |
1 files changed, 0 insertions, 1959 deletions
diff --git a/components/rtgui/widgets/edit.c b/components/rtgui/widgets/edit.c deleted file mode 100644 index d8e1effe3d..0000000000 --- a/components/rtgui/widgets/edit.c +++ /dev/null @@ -1,1959 +0,0 @@ -/* - * File : edit.c - * This file is part of RT-Thread RTOS - * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rt-thread.org/license/LICENSE - * - * Change Logs: - * Date Author Notes - * 2012-06-04 amsl firist version. - * 2012-08-09 amsl beta 0.1 - */ -#include <rtgui/dc.h> -#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) -{ - rtgui_rect_t font_rect; - RTGUI_WIDGET_FLAG(edit) |= RTGUI_WIDGET_FLAG_FOCUSABLE; - - rtgui_object_set_event_handler(RTGUI_OBJECT(edit), rtgui_edit_event_handler); - rtgui_widget_set_onfocus(RTGUI_WIDGET(edit), rtgui_edit_onfocus); - rtgui_widget_set_onunfocus(RTGUI_WIDGET(edit), rtgui_edit_onunfocus); - - RTGUI_WIDGET_FOREGROUND(edit) = black; - RTGUI_WIDGET_BACKGROUND(edit) = white; - /* set default text align */ - RTGUI_WIDGET_TEXTALIGN(edit) = RTGUI_ALIGN_CENTER_VERTICAL; - rtgui_widget_set_border(RTGUI_WIDGET(edit), RTGUI_BORDER_SUNKEN); - /* set proper of control */ - edit->caret_timer = RT_NULL; - edit->caret = RT_NULL; - - edit->tabsize = 4; - edit->margin = 1; - edit->max_rows = edit->max_cols = 0; - edit->visual.x = edit->visual.y = 0; - edit->upleft.x = edit->upleft.y = 0; - edit->row_per_page = edit->col_per_page = 0; - - edit->update_buf = RT_NULL; - edit->flag = RTGUI_EDIT_NONE; -#ifdef RTGUI_EDIT_USING_SCROLL - edit->flag |= RTGUI_EDIT_VSCROLL; - edit->flag |= RTGUI_EDIT_HSCROLL; -#endif - /* allocate default line buffer */ - edit->bzsize = 16; - - 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; - edit->first_line = RT_NULL; -#ifdef RTGUI_EDIT_USING_SCROLL - edit->hscroll = RT_NULL; - edit->vscroll = RT_NULL; -#endif -} - -void _rtgui_edit_deconstructor(struct rtgui_edit *edit) -{ - if (edit->max_rows > 0) - { - while (edit->max_rows > 0) - rtgui_edit_delete_line(edit, edit->head); - edit->max_rows = 0; - } - if (edit->caret_timer != RT_NULL) - rtgui_timer_destory(edit->caret_timer); - edit->caret_timer = RT_NULL; - - if (edit->caret != RT_NULL) - rtgui_free(edit->caret); - 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", - RTGUI_CONTAINER_TYPE, - _rtgui_edit_constructor, - _rtgui_edit_deconstructor, - sizeof(struct rtgui_edit)); - -#ifdef RTGUI_EDIT_USING_SCROLL -void rtgui_edit_adjust_scroll(rtgui_scrollbar_t *bar) -{ - struct rtgui_edit *edit; - - RT_ASSERT(bar != RT_NULL); - - if (bar->widget_link != RT_NULL) - { - rtgui_rect_t rect; - rt_uint32_t _left = 0, _top = 0, _width = RTGUI_DEFAULT_SB_WIDTH, _len = 0; - - edit = bar->widget_link; - rtgui_widget_get_rect(edit, &rect); - rtgui_widget_rect_to_device(edit, &rect); - if (bar->orient == RTGUI_HORIZONTAL) - { - if (RTGUI_WIDGET_IS_HIDE(edit->hscroll)) - { - if (edit->max_rows > edit->row_per_page) - { - RTGUI_WIDGET_SHOW(edit->hscroll); - rtgui_scrollbar_set_line_step(edit->hscroll, 1); - rtgui_scrollbar_set_page_step(edit->hscroll, edit->row_per_page); - rtgui_scrollbar_set_range(edit->hscroll, edit->max_rows); - } - else - RTGUI_WIDGET_HIDE(edit->vscroll); - rtgui_widget_update_clip(RTGUI_WIDGET(edit)); - } - else - { - _left = RTGUI_WIDGET_BORDER(edit); - _top = rtgui_rect_height(rect) - RTGUI_WIDGET_BORDER(edit) - _width; - _len = rtgui_rect_width(rect) - RTGUI_WIDGET_BORDER(edit) * 2; - - if (!RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - _len -= _width; - rect.x1 += _left; - rect.y1 += _top; - rect.x2 = rect.x1 + _len; - rect.y2 = rect.y1 + _width; - } - } - else if (bar->orient == RTGUI_VERTICAL) - { - _left = rtgui_rect_width(rect) - RTGUI_WIDGET_BORDER(edit) - _width; - _top = RTGUI_WIDGET_BORDER(edit); - _len = rtgui_rect_height(rect) - RTGUI_WIDGET_BORDER(edit) * 2; - - if (!RTGUI_WIDGET_IS_HIDE(edit->hscroll)) - _len -= _width; - rect.x1 += _left; - rect.y1 += _top; - rect.x2 = rect.x1 + _width; - rect.y2 = rect.y1 + _len; - } - 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) -{ - struct rtgui_edit *edit; - - RT_ASSERT(container != RT_NULL); - - edit = (struct rtgui_edit *)rtgui_widget_create(RTGUI_EDIT_TYPE); - if (edit != RT_NULL) - { - rtgui_rect_t rect; - int effe; - rtgui_widget_get_rect(RTGUI_WIDGET(container), &rect); - rtgui_widget_rect_to_device(RTGUI_WIDGET(container), &rect); - rect.x1 += left; - rect.y1 += top; - rect.x2 = rect.x1 + w; - rect.y2 = rect.y1 + h; - rtgui_widget_set_rect(RTGUI_WIDGET(edit), &rect); - rtgui_container_add_child(container, RTGUI_WIDGET(edit)); - - /* set character number */ - edit->item_height = edit->font_height; /* the same height */ - effe = h - (edit->margin + RTGUI_WIDGET_BORDER(edit)) * 2; - edit->row_per_page = effe / edit->item_height; - if (effe % edit->item_height) - edit->row_per_page += 1; - - effe = w - (edit->margin + RTGUI_WIDGET_BORDER(edit)) * 2; - edit->col_per_page = effe / edit->font_width; - if (effe % edit->font_width) - edit->col_per_page += 1; - edit->update_buf = rtgui_malloc(edit->col_per_page + 1); - -#ifdef RTGUI_EDIT_USING_SCROLL - if (edit->hscroll == RT_NULL && edit->flag & RTGUI_EDIT_HSCROLL) - { - /* create horizontal scrollbar */ - rt_uint32_t _left, _top, _width = RTGUI_DEFAULT_SB_WIDTH, _len; - _left = RTGUI_WIDGET_BORDER(edit); - _top = rtgui_rect_height(rect) - RTGUI_WIDGET_BORDER(edit) - _width; - _len = rtgui_rect_width(rect) - RTGUI_WIDGET_BORDER(edit) * 2; - if (edit->max_rows > edit->row_per_page) _len -= _width; - - edit->hscroll = rtgui_scrollbar_create(edit, _left, _top, _width, _len, RTGUI_HORIZONTAL); - - if (edit->hscroll != RT_NULL) - { - edit->hscroll->widget_link = (pvoid)edit; - edit->hscroll->on_scroll = rtgui_edit_hscroll_handle; - RTGUI_WIDGET_HIDE(edit->hscroll); - } - } - if (edit->vscroll == RT_NULL && edit->flag & RTGUI_EDIT_VSCROLL) - { - /* create vertical scrollbar */ - rt_uint32_t _left, _top, _width = RTGUI_DEFAULT_SB_WIDTH, _len; - _left = rtgui_rect_width(rect) - RTGUI_WIDGET_BORDER(edit) - _width; - _top = RTGUI_WIDGET_BORDER(edit); - _len = rtgui_rect_height(rect) - RTGUI_WIDGET_BORDER(edit) * 2; - if (edit->max_cols > edit->col_per_page) _len -= _width; - - edit->vscroll = rtgui_scrollbar_create(edit, _left, _top, _width, _len, RTGUI_VERTICAL); - - if (edit->vscroll != RT_NULL) - { - edit->vscroll->widget_link = (pvoid)edit; - edit->vscroll->on_scroll = rtgui_edit_vscroll_handle; - RTGUI_WIDGET_HIDE(edit->vscroll); - } - } -#endif - } - - 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 - * - * @param n a standard buffer value, please use edit->bzsize - * @param m given a reference value - * - * @return get a proper standard values - */ -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 - return rtgui_edit_alloc_len(n * 2, m); -#else - return rtgui_edit_alloc_len(n + 16, m); -#endif -} - -/** - * please use it to replace rt_strlen - * especially in reading the source file. - */ -rt_inline rt_int16_t rtgui_edit_line_strlen(const char *s) -{ - const char *sc; - /* ascii text end of 0x0A or 0x0D-0x0A*/ - for (sc = s; *sc != 0x0D && *sc != 0x0A && *sc != 0x00; ++sc); - return sc - s; -} - -rt_bool_t rtgui_edit_append_line(struct rtgui_edit *edit, const char *text) -{ - rt_int16_t len; - struct edit_line *line, *node; - - RT_ASSERT(edit != RT_NULL); - - line = rtgui_malloc(sizeof(struct edit_line)); - if (line == RT_NULL) return RT_FALSE; - - len = rtgui_edit_line_strlen(text); - line->zsize = rtgui_edit_alloc_len(edit->bzsize, len + 1); - line->text = rtgui_malloc(line->zsize); - rt_memcpy(line->text, text, len); - *(line->text + len) = '\0'; - line->len = rtgui_edit_line_strlen(line->text); - - line->next = RT_NULL; - edit->max_rows++; - if (edit->max_cols < len) edit->max_cols = len; - - node = edit->head; - if (node == RT_NULL) - { - 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; - /* to tail item on to queue */ - node->next = line; - line->prev = node; - /* re-fixed position tail */ - edit->tail = line; - - 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_int16_t len; - struct edit_line *line; - - RT_ASSERT(edit != RT_NULL); - RT_ASSERT(p != RT_NULL); - - if (p->next == RT_NULL) - { - rtgui_edit_append_line(edit, text); - return RT_TRUE; - } - - line = rtgui_malloc(sizeof(struct edit_line)); - if (line == RT_NULL) return RT_FALSE; - - line->prev = p; - line->next = p->next; - p->next = line; - if (line->next != RT_NULL) - { - line->next->prev = line; - } - - len = rtgui_edit_line_strlen(text); - line->zsize = rtgui_edit_alloc_len(edit->bzsize, len + 1); - - line->text = rtgui_malloc(line->zsize); - rt_memset(line->text, 0, line->zsize); - rt_memcpy(line->text, text, len); - *(line->text + len) = '\0'; - - edit->max_rows ++; - line->len = rtgui_edit_line_strlen(line->text); - - return RT_TRUE; -} -RTM_EXPORT(rtgui_edit_insert_line); - -rt_bool_t rtgui_edit_delete_line(struct rtgui_edit *edit, struct edit_line *line) -{ - RT_ASSERT(edit != RT_NULL); - RT_ASSERT(line != RT_NULL); - - if (edit->max_rows == 0) return RT_FALSE; - - if (line->prev == RT_NULL) - { - if (line->next == RT_NULL) - { - /* only one item */ - edit->head = RT_NULL; - edit->tail = RT_NULL; - } - else - { - /* first item */ - line->next->prev = RT_NULL; - edit->head = line->next; - } - } - else - { - if (line->next == RT_NULL) - { - /* last item */ - line->prev->next = RT_NULL; - edit->tail = line->prev; - } - else - { - /* middle item */ - line->prev->next = line->next; - line->next->prev = line->prev; - } - } - - if (edit->max_rows > 0)edit->max_rows--; - if (line->text) - { - rtgui_free(line->text); - line->text = RT_NULL; - } - rtgui_free(line); - line = RT_NULL; - - 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_int16_t len1, len2; - - RT_ASSERT(edit != RT_NULL); - RT_ASSERT(line != RT_NULL); - RT_ASSERT(connect != RT_NULL); - - len1 = rtgui_edit_line_strlen(line->text); - len2 = rtgui_edit_line_strlen(connect->text); - - line->zsize = rtgui_edit_alloc_len(edit->bzsize, len1 + len2 + 1); - line->text = rt_realloc(line->text, line->zsize); - rt_memcpy(line->text + len1, connect->text, len2); - *(line->text + len1 + len2) = '\0'; - - 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) -{ - RT_ASSERT(edit != RT_NULL); - - rtgui_widget_get_rect(RTGUI_WIDGET(edit), rect); - - rect->x1 += visual.x * edit->font_width + RTGUI_WIDGET_BORDER(edit) + edit->margin; - rect->x2 = rect->x1 + 1; /* caret width: 1 */ - rect->y1 += visual.y * edit->item_height + RTGUI_WIDGET_BORDER(edit) + edit->margin; - if ((rect->y1 + edit->font_height) < (rect->y2 - RTGUI_WIDGET_BORDER(edit) - edit->margin)) - rect->y2 = rect->y1 + edit->font_height; - else - rect->y2 = rect->y2 - RTGUI_WIDGET_BORDER(edit) - edit->margin; -} - -static void rtgui_edit_init_caret(struct rtgui_edit *edit, rtgui_point_t visual) -{ - struct rtgui_graphic_driver *hw_driver = rtgui_graphic_driver_get_default(); - int x, y; - rtgui_color_t color; - rtgui_rect_t rect; - int ofs = 0; - - RT_ASSERT(edit != RT_NULL); - if (!RTGUI_WIDGET_IS_FOCUSED(edit)) return; - - rtgui_edit_get_caret_rect(edit, &edit->caret_rect, visual); - rect = edit->caret_rect; - rtgui_widget_rect_to_device(RTGUI_WIDGET(edit), &rect); - - if (edit->caret == RT_NULL) - edit->caret = (rtgui_color_t *)rtgui_malloc(rtgui_rect_width(rect) * rtgui_rect_height(rect) * sizeof(rtgui_color_t)); - rtgui_timer_stop(edit->caret_timer); - - for (x = rect.x1; x < rect.x2; x++) - { - for (y = rect.y1; y < rect.y2; y++) - { - hw_driver->ops->get_pixel(&color, x, y); - *(edit->caret + ofs++) = color; - } - } - - rtgui_timer_start(edit->caret_timer); -} - -/* draw caret */ -static void rtgui_edit_draw_caret(struct rtgui_edit *edit) -{ - int x, y; - rtgui_color_t color; - rtgui_rect_t rect; - int ofs = 0; - struct rtgui_dc *dc; - - RT_ASSERT(edit != RT_NULL); - if (edit->caret == RT_NULL) return; - - dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(edit)); - if (dc == RT_NULL)return; - - rect = edit->caret_rect; - - for (x = rect.x1; x < rect.x2; x++) - { - for (y = rect.y1; y < rect.y2; y++) - { - color = *(edit->caret + ofs); - ofs++; - if (edit->flag & RTGUI_EDIT_CARET) - { - color = ~color; - rtgui_dc_draw_color_point(dc, x, y, color); - } - else - { - rtgui_dc_draw_color_point(dc, x, y, color); - } - } - } - - rtgui_dc_end_drawing(dc); -} - -static void rtgui_edit_timeout(struct rtgui_timer *timer, void *parameter) -{ - struct rtgui_edit *edit; - - edit = RTGUI_EDIT(parameter); - /* set caret flag */ - if (edit->flag & RTGUI_EDIT_CARET) - edit->flag &= ~RTGUI_EDIT_CARET; - else - edit->flag |= RTGUI_EDIT_CARET; - - rtgui_edit_draw_caret(edit); - - return; -} - -struct edit_line *rtgui_edit_get_line_by_index(struct rtgui_edit *edit, rt_uint32_t index) -{ - struct edit_line *line = RT_NULL; - - RT_ASSERT(edit != RT_NULL); - - if (edit->head != RT_NULL) - { - int i = 0; - line = edit->first_line; - while (line) - { - if ((edit->upleft.y + i++) == index) - break; - line = line->next; - } - } - 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) -{ - rt_uint32_t index = 0; - struct edit_line *tmp; - - RT_ASSERT(edit != RT_NULL); - RT_ASSERT(line != RT_NULL); - - if (edit->head != RT_NULL) - { - tmp = edit->first_line; - index = edit->upleft.y; - while (tmp) - { - if (tmp == line) - break; - index ++; - tmp = tmp->next; - } - } - 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 ((rt_uint8_t)(*(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 ((rt_uint8_t)(*(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) -{ - rtgui_rect_t rect; - - RT_ASSERT(edit != RT_NULL); - RT_ASSERT(emouse != RT_NULL); - - rtgui_widget_get_rect(RTGUI_WIDGET(edit), &rect); - if ((rtgui_region_contains_point(&(RTGUI_WIDGET(edit)->clip), emouse->x, emouse->y, &rect) == RT_EOK)) - { - rt_uint16_t x, y; - - /* multiline text */ - x = (emouse->x - rect.x1) / (edit->font_width); - y = (emouse->y - rect.y1) / (edit->item_height); - if ((x < edit->col_per_page) && (y < edit->row_per_page)) - { - 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; - - line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (line == RT_NULL) - return; - - 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) - rtgui_timer_stop(edit->caret_timer); - - edit->flag &= ~RTGUI_EDIT_CARET; - rtgui_edit_draw_caret(edit); - - if (edit->caret_timer != RT_NULL) - rtgui_timer_start(edit->caret_timer); - } - - /* set widget focus */ - rtgui_widget_focus(RTGUI_WIDGET(edit)); - - if (RTGUI_WIDGET_IS_FOCUSED(edit)) - { - rtgui_edit_init_caret(edit, edit->visual); - edit->flag |= RTGUI_EDIT_CARET; - rtgui_edit_draw_caret(edit); - } - } - else if (emouse->button & RTGUI_MOUSE_BUTTON_UP) - { - /* please add codes at here. */ - } -#ifdef RTGUI_EDIT_USING_SCROLL - if (edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit)) - { - if (!RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - rtgui_scrollbar_set_value(edit->vscroll, edit->upleft.y); - } - if (edit->hscroll && !RTGUI_WIDGET_IS_HIDE(edit)) - { - if (!RTGUI_WIDGET_IS_HIDE(edit->hscroll)) - rtgui_scrollbar_set_value(edit->hscroll, edit->upleft.x); - } -#endif - } - } -} - -rt_inline rt_uint16_t query_shift_code(rt_uint16_t key) -{ - if (key >= RTGUIK_a && key <= RTGUIK_z) - return (key - ('a' - 'A')); - else - { - switch (key) - { - case '1': - return '!'; - case '2': - return '@'; - case '3': - return '#'; - case '4': - return '$'; - case '5': - return '%'; - case '6': - return '^'; - case '7': - return '&'; - case '8': - return '*'; - case '9': - return '('; - case '0': - return ')'; - case '-': - return '_'; - case '=': - return '+'; - case '\\': - return '|'; - case ';': - return ':'; - case '\'': - return '"'; - case ',': - return '<'; - case '.': - return '>'; - case '/': - return '?'; - case '`': - return '~'; - } - } - return key; -} - -rt_inline rt_uint16_t query_caps_code(rt_uint16_t key) -{ - if (key >= RTGUIK_a && key <= RTGUIK_z) - return (key - ('a' - 'A')); - return key; -} - -rt_inline rt_bool_t is_small_keyboard(rt_uint16_t *key) -{ - if (*key >= RTGUIK_KP0 && *key <= RTGUIK_KP9) - { - *key = *key - (RTGUIK_KP0 - RTGUIK_0); - return RT_TRUE; - } - else if (*key == RTGUIK_KP_PERIOD) - { - *key = '.'; - return RT_TRUE; - } - else if (*key == RTGUIK_KP_DIVIDE) - { - *key = '/'; - return RT_TRUE; - } - else if (*key == RTGUIK_KP_MULTIPLY) - { - *key = '*'; - return RT_TRUE; - } - else if (*key == RTGUIK_KP_MINUS) - { - *key = '-'; - return RT_TRUE; - } - else if (*key == RTGUIK_KP_PLUS) - { - *key = '+'; - return RT_TRUE; - } - else if (*key == RTGUIK_KP_ENTER) - { - *key = RTGUIK_RETURN; - return RT_TRUE; - } - return RT_FALSE; -} - -void kbd_event_set_key(struct rtgui_event_kbd *ekbd, rt_uint16_t key) -{ - RTGUI_EVENT_KBD_INIT(ekbd); - ekbd->mod = RTGUI_KMOD_NONE; - ekbd->unicode = 0; - - ekbd->key = key; - ekbd->type = RTGUI_KEYDOWN; -} - -static rt_bool_t rtgui_edit_onkey(struct rtgui_object *object, rtgui_event_t *event) -{ - enum { EDIT_NONE, EDIT_ONDRAW, EDIT_UPDATE }; - struct rtgui_edit *edit = RTGUI_EDIT(object); - struct rtgui_event_kbd *ekbd = (struct rtgui_event_kbd *)event; - struct edit_line *line = RT_NULL; - rt_bool_t update_type = EDIT_NONE; - - RT_ASSERT(edit != RT_NULL); - RT_ASSERT(ekbd != RT_NULL); - - if (RTGUI_KBD_IS_UP(ekbd)) - { - /* reset function key */ - if (ekbd->key == RTGUIK_RCTRL || ekbd->key == RTGUIK_LCTRL) - edit->flag &= ~RTGUI_EDIT_CTRL; - else if (ekbd->key == RTGUIK_RALT || ekbd->key == RTGUIK_LALT) - edit->flag &= ~RTGUI_EDIT_ALT; - else if (ekbd->key == RTGUIK_RSHIFT || ekbd->key == RTGUIK_LSHIFT) - edit->flag &= ~RTGUI_EDIT_SHIFT; - else if (ekbd->key == RTGUIK_CAPSLOCK) - edit->flag &= ~RTGUI_EDIT_CAPSLOCK; - else if (ekbd->key == RTGUIK_NUMLOCK) - edit->flag &= ~RTGUI_EDIT_NUMLOCK; - return RT_TRUE; - } - - line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (line == RT_NULL) - return RT_FALSE; - - /* rt_kprintf("key=%04X ",ekbd->key); */ - if (ekbd->key == RTGUIK_RCTRL || ekbd->key == RTGUIK_LCTRL) - { - /* use CTRL key */ - edit->flag |= RTGUI_EDIT_CTRL; - return RT_FALSE; - } - else if (ekbd->key == RTGUIK_RALT || ekbd->key == RTGUIK_LALT) - { - /* use ALT key */ - edit->flag |= RTGUI_EDIT_ALT; - return RT_FALSE; - } - else if (ekbd->key == RTGUIK_RSHIFT || ekbd->key == RTGUIK_LSHIFT) - { - /* use SHIFT key */ - edit->flag |= RTGUI_EDIT_SHIFT; - return RT_FALSE; - } - else if (ekbd->key == RTGUIK_CAPSLOCK) - { - edit->flag |= RTGUI_EDIT_CAPSLOCK; - return RT_FALSE; - } - else if (ekbd->key == RTGUIK_NUMLOCK) - { - edit->flag |= RTGUI_EDIT_NUMLOCK; - return RT_FALSE; - } - else if (ekbd->key == RTGUIK_DELETE) - { - /* delete latter character */ - int ofs = edit->upleft.x + edit->visual.x; - if (ofs > line->len - 1 || (ofs == 0 && line->len == 0)) - { - /* will the next line marges into the current line */ - struct edit_line *next_line = line->next; - if (next_line != RT_NULL) - { - struct edit_line *update_end_line; - - update_type = EDIT_UPDATE; - edit->update.start = edit->visual; - - rtgui_edit_connect_line(edit, line, next_line); - rtgui_edit_delete_line(edit, next_line); - - if (edit->max_rows - edit->upleft.y > edit->row_per_page) - { - update_end_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->row_per_page); - if (update_end_line != RT_NULL) - { - edit->update.end.x = edit->col_per_page; - edit->update.end.y = edit->upleft.y + edit->row_per_page; - } - } - else - { - int update_end_index = rtgui_edit_get_index_by_line(edit, edit->tail); - edit->update.end.x = edit->col_per_page; - edit->update.end.y = update_end_index + 1; - } - } - line->len = rtgui_edit_line_strlen(line->text); - goto _edit_exit; - } - else if (ofs == line->len - 1) - { - line->text[ofs] = '\0'; - } - 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[tmp_pos] != '\0'; c++) - *c = c[tmp_pos]; - *c = '\0'; - } - update_type = EDIT_UPDATE; - edit->update.start = edit->visual; - edit->update.end.x = line->len - edit->upleft.x; - if (edit->update.end.x > edit->col_per_page) - edit->update.end.x = edit->col_per_page; - edit->update.end.y = edit->visual.y; - } - else if (ekbd->key == RTGUIK_BACKSPACE) - { - if (edit->visual.x == 0) - { - /* incorporated into prev line */ - struct rtgui_event_kbd event_kbd; - struct edit_line *prev_line = line->prev; - if (prev_line != RT_NULL) - { - struct edit_line *update_end_line; - - update_type = EDIT_UPDATE; - edit->visual.x = prev_line->len; - - rtgui_edit_connect_line(edit, prev_line, line); - kbd_event_set_key(&event_kbd, RTGUIK_UP); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - rtgui_edit_delete_line(edit, line); - - edit->update.start = edit->visual; /* update.start.y is changed */ - if (edit->max_rows - edit->upleft.y > edit->row_per_page) - { - update_end_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->row_per_page); - if (update_end_line != RT_NULL) - { - edit->update.end.x = edit->col_per_page; - edit->update.end.y = edit->upleft.y + edit->row_per_page; - } - } - else - { - int update_end_index = rtgui_edit_get_index_by_line(edit, edit->tail); - edit->update.end.x = edit->col_per_page; - edit->update.end.y = update_end_index + 1; - } - } - goto _edit_exit; - } - - /* delete front character */ - if (edit->visual.x == line->len) - { - 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 - tmp_pos]; c[tmp_pos] != '\0'; c++) - { - *c = c[tmp_pos]; - } - *c = '\0'; - edit->visual.x -= tmp_pos; - } - /* adjusted line buffer length */ - if (rtgui_edit_alloc_len(edit->bzsize, line->len + 2) < line->zsize) - { - line->zsize = rtgui_edit_alloc_len(edit->bzsize, line->len + 1); - line->text = rt_realloc(line->text, line->zsize); - } - update_type = EDIT_UPDATE; - edit->update.start = edit->visual; - edit->update.end.x = line->len; - edit->update.end.y = edit->visual.y; - } - else if (ekbd->key == RTGUIK_UP) - { - /* move to prev line */ - struct edit_line *prev_line; - if (edit->visual.y > 0) - edit->visual.y --; - else - { - /* change first row */ - if (edit->upleft.y > 0) - { - edit->upleft.y --; - if (edit->first_line->prev != RT_NULL) - edit->first_line = edit->first_line->prev; - update_type = EDIT_ONDRAW; - } - } - - /* The position of the recount X */ - prev_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (prev_line == RT_NULL) - return RT_FALSE; - - if (edit->upleft.x > 0) - { - if (prev_line->len <= edit->upleft.x) - { - 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) - { - 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 */ - if (edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit)) - { - if (!RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - rtgui_scrollbar_set_value(edit->vscroll, edit->upleft.y); - } -#endif - } - else if (ekbd->key == RTGUIK_DOWN) - { - struct edit_line *tail_line, *next_line; - tail_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (tail_line != RT_NULL) - { - /* it is tail line */ - if (tail_line == edit->tail) return RT_FALSE; - } - /* move to next line */ - if (edit->visual.y < edit->row_per_page - 2) - { - edit->visual.y ++; - } - else if (edit->visual.y + edit->upleft.y < edit->max_rows - 1) - { - /* change first row */ - edit->upleft.y++; - if (edit->first_line->next != RT_NULL) - edit->first_line = edit->first_line->next; - update_type = EDIT_ONDRAW; - } - - /* adjust next line end position */ - next_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (next_line == RT_NULL) - return RT_FALSE; - - if (edit->upleft.x > 0) - { - if (next_line->len <= edit->upleft.x) - { - 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) - { - 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 */ - if (edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit)) - { - if (!RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - rtgui_scrollbar_set_value(edit->vscroll, edit->upleft.y); - } -#endif - } - else if (ekbd->key == RTGUIK_LEFT) - { - /* move to prev char */ - if (edit->visual.x > 0) - { - 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) - { - 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 - { - struct rtgui_event_kbd event_kbd; - struct edit_line *first_line; - first_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (first_line != RT_NULL) - { - /* it is head line */ - if (first_line == edit->head) return RT_FALSE; - } - /* move the caret to the prev line end */ - kbd_event_set_key(&event_kbd, RTGUIK_UP); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - kbd_event_set_key(&event_kbd, RTGUIK_END); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - } - } - } - else if (ekbd->key == RTGUIK_RIGHT) - { - /* move to next char */ - if (line->len >= edit->col_per_page) - { - if (edit->upleft.x + edit->col_per_page <= line->len) - { - if (edit->visual.x < edit->col_per_page - 1) - { - 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) - edit->upleft.x ++; - else - edit->upleft.x = line->len - edit->col_per_page + 1; - update_type = EDIT_ONDRAW; - } - } - else - { - struct rtgui_event_kbd event_kbd; - /* move to next head */ - kbd_event_set_key(&event_kbd, RTGUIK_DOWN); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - kbd_event_set_key(&event_kbd, RTGUIK_HOME); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - } - } - else - { - if (edit->visual.x < line->len) - { - 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; - struct edit_line *tail_line; - tail_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->visual.y); - if (tail_line != RT_NULL) - { - /* it is tail line */ - if (tail_line == edit->tail) return RT_FALSE; - } - /* move the caret to the next line head */ - kbd_event_set_key(&event_kbd, RTGUIK_DOWN); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - kbd_event_set_key(&event_kbd, RTGUIK_HOME); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - } - } - } - else if (ekbd->key == RTGUIK_HOME) - { - /* move cursor to line head */ - edit->visual.x = 0; - if (edit->upleft.x > 0) - { - edit->upleft.x = 0; - update_type = EDIT_ONDRAW; - } - } - else if (ekbd->key == RTGUIK_END) - { - /* move cursor to line tail */ - if (line->len >= edit->col_per_page) - { - edit->visual.x = edit->col_per_page - 1; - edit->upleft.x = line->len - (edit->col_per_page - 1); - update_type = EDIT_ONDRAW; - } - else - edit->visual.x = line->len; - } - else if (ekbd->key == RTGUIK_TAB) - { - int space_nums; - struct rtgui_event_kbd event_kbd; - /* using spaces to replace TAB */ - space_nums = edit->tabsize - (edit->upleft.x + edit->visual.x) % edit->tabsize; - while (space_nums--) - { - kbd_event_set_key(&event_kbd, RTGUIK_SPACE); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - } - } - else if (ekbd->key == RTGUIK_RETURN) - { - struct edit_line *update_end_line; - struct rtgui_event_kbd event_kbd; - - /* insert a new line buffer */ - rtgui_edit_insert_line(edit, line, line->text + edit->upleft.x + edit->visual.x); - line->text[edit->upleft.x + edit->visual.x] = '\0'; - line->len = rtgui_edit_line_strlen(line->text); - - 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 */ - kbd_event_set_key(&event_kbd, RTGUIK_DOWN); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - kbd_event_set_key(&event_kbd, RTGUIK_HOME); - rtgui_edit_onkey(object, (rtgui_event_t *)&event_kbd); - /* adjust update line end position */ - if ((edit->max_rows - edit->upleft.y) >= edit->row_per_page) - { - update_type = EDIT_UPDATE; - edit->update.start = edit->visual; - edit->update.start.y -= 1; - update_end_line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + edit->row_per_page - 1); - - if (update_end_line != RT_NULL) - { - edit->update.end.x = update_end_line->len; - edit->update.end.y = edit->upleft.y + edit->row_per_page; - } - } - } - else - { - if (isprint((unsigned char)ekbd->key)) - { - /* it's may print character */ - update_type = EDIT_UPDATE; - edit->update.start = edit->visual; - - if (edit->flag & RTGUI_EDIT_SHIFT) - ekbd->key = query_shift_code(ekbd->key); - if (edit->flag & RTGUI_EDIT_CAPSLOCK) - ekbd->key = query_caps_code(ekbd->key); - - if (line->len < line->zsize - 1) - { - int ofs = edit->upleft.x + edit->visual.x; - if (edit->visual.x >= edit->col_per_page - 1) - { - edit->upleft.x ++; - update_type = EDIT_ONDRAW; - } - - if (ofs < line->len) - { - char *c; - for (c = &line->text[line->len]; c != &line->text[ofs]; c--) - *c = *(c - 1); - } - line->text[ofs] = (char)ekbd->key; - if (edit->visual.x < edit->col_per_page - 1) - edit->visual.x ++; - line->text[line->len + 1] = '\0'; - line->len = rtgui_edit_line_strlen(line->text); - edit->update.end.x = line->len; - if (edit->update.end.x > edit->col_per_page) - edit->update.end.x = edit->col_per_page; - edit->update.end.y = edit->visual.y; - } - else - { - /* adjust line buffer's zone size */ - line->zsize = rtgui_edit_alloc_len(edit->bzsize, line->len + 1); - line->text = rt_realloc(line->text, line->zsize); - rtgui_edit_onkey(object, event); /* reentry */ - } - } - else - { - /* Is small keyboard ? */ - if (edit->flag & RTGUI_EDIT_NUMLOCK) - { - if (is_small_keyboard(&ekbd->key)) - rtgui_edit_onkey(object, event); - /* small keyboard another value reserved */ - } - } - } - line->len = rtgui_edit_line_strlen(line->text); - -_edit_exit: - if (edit->flag & RTGUI_EDIT_CARET) - { - if (edit->caret_timer != RT_NULL) - rtgui_timer_stop(edit->caret_timer); - - edit->flag &= ~RTGUI_EDIT_CARET; - rtgui_edit_draw_caret(edit);/* refresh it */ - if (edit->caret_timer != RT_NULL) - rtgui_timer_start(edit->caret_timer); - } - - /* re-draw edit widget */ - if (update_type == EDIT_ONDRAW) - rtgui_edit_ondraw(edit); - else if (update_type == EDIT_UPDATE) - rtgui_edit_update(edit); - - if (RTGUI_WIDGET_IS_FOCUSED(edit)) - { - rtgui_edit_init_caret(edit, edit->visual); - edit->flag |= RTGUI_EDIT_CARET; - rtgui_edit_draw_caret(edit); - } - return RT_TRUE; -} - -static rt_bool_t rtgui_edit_onfocus(struct rtgui_object *object, rtgui_event_t *event) -{ - struct rtgui_edit *edit = RTGUI_EDIT(object); - - edit->caret_timer = rtgui_timer_create(50, RT_TIMER_FLAG_PERIODIC, - rtgui_edit_timeout, (void *)edit); - /* set caret to show */ - edit->flag |= RTGUI_EDIT_CARET; - /* start caret timer */ - if (edit->caret_timer != RT_NULL) - rtgui_timer_start(edit->caret_timer); - - return RT_TRUE; -} - -static rt_bool_t rtgui_edit_onunfocus(struct rtgui_object *object, rtgui_event_t *event) -{ - struct rtgui_edit *edit = RTGUI_EDIT(object); - - /* stop caret timer */ - if (edit->caret_timer != RT_NULL) - { - rtgui_timer_stop(edit->caret_timer); - rtgui_timer_destory(edit->caret_timer); - } - /* set caret to hide */ - edit->flag &= ~RTGUI_EDIT_CARET; - rtgui_edit_draw_caret(edit); - - return RT_TRUE; -} - -#ifdef RTGUI_EDIT_USING_SCROLL -static rt_bool_t rtgui_edit_hscroll_handle(struct rtgui_widget *widget, rtgui_event_t *event) -{ - struct rtgui_edit *edit = RTGUI_EDIT(widget); - - /* adjust first display row when dragging */ - edit->upleft.y = edit->hscroll->value; - - rtgui_edit_ondraw(edit); - - return RT_TRUE; -} - -static rt_bool_t rtgui_edit_vscroll_handle(struct rtgui_widget *widget, rtgui_event_t *event) -{ - struct rtgui_edit *edit = RTGUI_EDIT(widget); - - /* adjust first display row when dragging */ - edit->upleft.x = edit->vscroll->value; - - rtgui_edit_ondraw(edit); - - return RT_TRUE; -} -#endif - -/* local area update */ -void rtgui_edit_update(struct rtgui_edit *edit) -{ - rt_int16_t i, cpy_len = 0, prev_len; - rtgui_rect_t rect, r; - struct rtgui_dc *dc; - char *src; - - RT_ASSERT(edit != RT_NULL); - - dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(edit)); - if (dc == RT_NULL) return; - - rtgui_widget_get_rect(RTGUI_WIDGET(edit), &rect); - rtgui_rect_inflate(&rect, -(edit->margin + RTGUI_WIDGET_BORDER(edit))); - - if (edit->update_buf == RT_NULL) - { - /* try again allocate */ - edit->update_buf = rtgui_malloc(edit->col_per_page + 1); - } - - prev_len = edit->col_per_page; - for (i = edit->update.start.y; i <= edit->update.end.y; i++) - { - struct edit_line *line = rtgui_edit_get_line_by_index(edit, edit->upleft.y + i); - - if (i > edit->upleft.y + edit->row_per_page) break; - if (line == RT_NULL) - { - /* when use "RTGUIK_BACKSPACE" backspace forward, - * the last line is blank, that only fill background. */ - r.x1 = rect.x1; - r.x2 = rect.x1 + prev_len * edit->font_width; - r.y1 = rect.y1 + i * edit->font_height; - r.y2 = r.y1 + edit->font_height; - if (r.x2 > rect.x2) r.x2 = rect.x2; - if (r.y2 > rect.y2) r.y2 = rect.y2; - rtgui_dc_fill_rect(dc, &r); - break; - } - - if (edit->update.start.y == edit->update.end.y) - { - r.x1 = rect.x1 + edit->update.start.x * edit->font_width; - r.x2 = rect.x1 + edit->update.end.x * edit->font_width; - r.y1 = rect.y1 + i * edit->font_height; - r.y2 = r.y1 + edit->font_height; - cpy_len = edit->update.end.x - edit->update.start.x; - src = line->text + edit->update.start.x + edit->upleft.x; - } - else - { - if (i == edit->update.start.y) - { - r.x1 = rect.x1 + edit->update.start.x * edit->font_width; - r.x2 = rect.x2; - r.y1 = rect.y1 + i * edit->font_height; - r.y2 = r.y1 + edit->font_height; - cpy_len = line->len - edit->update.start.x - edit->upleft.x; - if (cpy_len > (edit->col_per_page - edit->update.start.x)) - cpy_len = edit->col_per_page - edit->update.start.x; - src = line->text + edit->update.start.x + edit->upleft.x; - } - else if (i == edit->update.end.y) - { - r.x1 = rect.x1; - r.x2 = rect.x1 + edit->update.end.x * edit->font_width; - cpy_len = edit->update.end.x; - r.y1 = rect.y1 + i * edit->font_height; - r.y2 = r.y1 + edit->font_height; - src = line->text + edit->upleft.x; - } - else - { - r.x1 = rect.x1; - r.x2 = rect.x2; - r.y1 = rect.y1 + i * edit->font_height; - r.y2 = r.y1 + edit->font_height; - cpy_len = line->len - edit->upleft.x; - if (cpy_len > edit->col_per_page) - cpy_len = edit->col_per_page; - src = line->text + edit->upleft.x; - } - } - if (r.y1 > rect.y2) break; - if (r.x2 > rect.x2) r.x2 = rect.x2; - if (r.y2 > rect.y2) r.y2 = rect.y2; - - rt_memcpy(edit->update_buf, src, cpy_len); - *(edit->update_buf + cpy_len) = '\0'; - - rtgui_dc_fill_rect(dc, &r); - rtgui_dc_draw_text(dc, edit->update_buf, &r); - prev_len = line->len; - } - - rtgui_dc_end_drawing(dc); -} - -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); - - dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(edit)); - if (dc == RT_NULL) return; - - /* get widget rect */ - rtgui_widget_get_rect(RTGUI_WIDGET(edit), &rect); - rtgui_rect_inflate(&rect, -RTGUI_WIDGET_BORDER(edit)); - - /* fill widget rect with edit background color */ - RTGUI_DC_BC(dc) = RTGUI_WIDGET_BACKGROUND(edit); - rtgui_dc_fill_rect(dc, &rect); - - rtgui_rect_inflate(&rect, RTGUI_WIDGET_BORDER(edit)); - /* draw border */ - rtgui_dc_draw_border(dc, &rect, RTGUI_WIDGET_BORDER_STYLE(edit)); - - rtgui_rect_inflate(&rect, -(edit->margin + RTGUI_WIDGET_BORDER(edit))); - -#ifdef RTGUI_EDIT_USING_SCROLL - if (edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - { - rect.x2 = rect.x2 - rtgui_rect_width(edit->vscroll->parent.extent); - } - if (edit->hscroll && !RTGUI_WIDGET_IS_HIDE(edit->hscroll)) - { - rect.y2 = rect.y2 - rtgui_rect_height(edit->hscroll->parent.extent); - } -#endif - r = rect; - - /* draw text */ - if (edit->head != RT_NULL) - { - struct edit_line *line = edit->first_line; - int num = 0; - - 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_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) - rect.y2 = rect.y1 + edit->item_height; - else - rect.y2 = r.y2; - - if (num++ >= edit->row_per_page) - break; - } - } - -#ifdef RTGUI_EDIT_USING_SCROLL - if (edit->hscroll && !RTGUI_WIDGET_IS_HIDE(edit->hscroll)) - { - hscroll_flag = 1; - rtgui_scrollbar_ondraw(edit->hscroll); - } - if (edit->vscroll && !RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - { - vscroll_flag = 1; - rtgui_scrollbar_ondraw(edit->vscroll); - } - - if (hscroll_flag && vscroll_flag) - { - rtgui_color_t _bc; - rtgui_widget_get_rect(RTGUI_WIDGET(edit), &rect); - rect.x1 = rect.x2 - RTGUI_WIDGET_BORDER(edit); - rect.y1 = rect.y2 - RTGUI_WIDGET_BORDER(edit); - _bc = RTGUI_DC_BC(dc); - RTGUI_DC_BC(dc) = default_background; - rtgui_dc_fill_rect(dc, &rect); - RTGUI_DC_BC(dc) = _bc; - } -#endif - rtgui_dc_end_drawing(dc); -} - -/* set edit text */ -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); - - while (edit->max_rows > 0) - rtgui_edit_delete_line(edit, edit->head); - edit->max_rows = 0; - - begin = text; - for (ptr = begin; *ptr != '\0'; ptr++) - { - if (*ptr == 0x0A) - { - /* unix style */ - rtgui_edit_append_line(edit, begin); - begin = ptr + 1; - } - else if (*ptr == 0x0D && *(ptr + 1) == 0x0A) - { - /* windows style */ - rtgui_edit_append_line(edit, begin); - begin = ptr + 2; - } - } - if (*ptr == '\0') - { - if (begin < ptr) - rtgui_edit_append_line(edit, begin); - } - -#ifdef RTGUI_EDIT_USING_SCROLL - if (edit->hscroll != RT_NULL) - { - if (edit->max_cols > edit->col_per_page) - { - RTGUI_WIDGET_SHOW(edit->hscroll); - rtgui_scrollbar_set_line_step(edit->hscroll, 1); - rtgui_scrollbar_set_page_step(edit->hscroll, edit->col_per_page); - rtgui_scrollbar_set_range(edit->hscroll, edit->max_cols); - hscroll_flag = 1; - } - else - { - RTGUI_WIDGET_HIDE(edit->hscroll); - } - } - if (edit->vscroll != RT_NULL) - { - if (edit->max_rows > edit->row_per_page) - { - RTGUI_WIDGET_SHOW(edit->vscroll); - rtgui_scrollbar_set_line_step(edit->vscroll, 1); - rtgui_scrollbar_set_page_step(edit->vscroll, edit->row_per_page); - rtgui_scrollbar_set_range(edit->vscroll, edit->max_rows); - vscroll_flag = 1; - } - else - { - RTGUI_WIDGET_HIDE(edit->vscroll); - } - } - - if (edit->hscroll != RT_NULL && !RTGUI_WIDGET_IS_HIDE(edit->hscroll)) - { - rtgui_edit_adjust_scroll(edit->hscroll); - } - if (edit->vscroll != RT_NULL && !RTGUI_WIDGET_IS_HIDE(edit->vscroll)) - { - rtgui_edit_adjust_scroll(edit->vscroll); - } - - 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) -{ - rtgui_widget_t *widget = RTGUI_WIDGET(object); - struct rtgui_edit *edit = RTGUI_EDIT(object); - - switch (event->type) - { - case RTGUI_EVENT_PAINT: -#ifndef RTGUI_USING_SMALL_SIZE - if (widget->on_draw != RT_NULL) - widget->on_draw(object, event); - else -#endif - rtgui_edit_ondraw(edit); - break; - - case RTGUI_EVENT_MOUSE_BUTTON: -#ifndef RTGUI_USING_SMALL_SIZE - if (widget->on_mouseclick != RT_NULL) - widget->on_mouseclick(object, event); - else -#endif - rtgui_edit_onmouse(edit, (struct rtgui_event_mouse *)event); - return RT_TRUE; - - case RTGUI_EVENT_KBD: -#ifndef RTGUI_USING_SMALL_SIZE - if (widget->on_key != RT_NULL) - widget->on_key(object, event); - else -#endif - rtgui_edit_onkey(object, event); - return RT_TRUE; - - default: - return rtgui_widget_event_handler(object, event); - } - - 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; -} - -#ifdef RTGUI_USING_DFS_FILERW -/** - * File access component, General File Access Interface - */ -rt_bool_t rtgui_edit_readin_file(struct rtgui_edit *edit, const char *filename) -{ - struct rtgui_filerw *filerw; - int num = 0, read_bytes, size , len = 0; - char *text , ch; - - 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; - - size = edit->bzsize; - text = rtgui_malloc(size); - if (text == RT_NULL) return RT_FALSE; - - do - { - 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 - { - len = edit->tabsize - num % edit->tabsize; - while (len--) - *(text + num++) = ' '; - } - else - *(text + num++) = ch; - if (ch == 0x0A) - { - rtgui_edit_append_line(edit, text); - num = 0; - } - - } - else if (num > 0) - { - /* last line does not exist the end operator */ - *(text + num) = '\0'; - rtgui_edit_append_line(edit, text); - } - } - while (read_bytes); - - rtgui_filerw_close(filerw); - rtgui_free(text); - rtgui_edit_ondraw(edit); - - return RT_TRUE; -} - -rt_bool_t rtgui_edit_saveas_file(struct rtgui_edit *edit, const char *filename) -{ - struct rtgui_filerw *filerw; - char ch_tailed = 0x0A; - struct edit_line *line; - - filerw = rtgui_filerw_create_file(filename, "wb"); - if (filerw == RT_NULL) return RT_FALSE; - - line = edit->head; - while (line) - { - rtgui_filerw_write(filerw, line->text, line->len, 1); - if (line != edit->tail) - rtgui_filerw_write(filerw, &ch_tailed, 1, 1); - line = line->next; - } - - rtgui_filerw_close(filerw); - - return RT_TRUE; -} -#endif |