void rtgui_combo_ondraw(rtgui_combo_t *cbo)
{
rtgui_rect_t rect;
rtgui_dc_t* dc;
RT_ASSERT(cbo != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(cbo);
if(dc == RT_NULL)return;
rtgui_widget_get_rect(cbo, &rect);
rtgui_rect_inflate(&rect,-RTGUI_WIDGET_BORDER_SIZE(cbo));
if(RTGUI_WIDGET_IS_ENABLE(cbo))
RTGUI_DC_BC(dc) = theme.blankspace;
else
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc, &rect);
rtgui_rect_inflate(&rect,RTGUI_WIDGET_BORDER_SIZE(cbo));
rtgui_dc_draw_border(dc, &rect,RTGUI_WIDGET_BORDER_STYLE(cbo));
if(RC_H(rect)<RTGUI_COMBO_HEIGHT)return;
/* draw downarrow button */
rect.x1 = rect.x2-RTGUI_COMBO_BUTTON_WIDTH;
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc, &rect);
if(cbo->style & RTGUI_COMBO_STYLE_DOWNARROW_UP)
{
rtgui_dc_draw_border(dc, &rect, theme.style);
rtgui_dc_draw_byte(dc,rect.x1+(rect.x2-rect.x1-7)/2, rect.y1+(rect.y2-rect.y1-4)/2, 4, combo_down_bmp);
}
else if(cbo->style & RTGUI_COMBO_STYLE_DOWNARROW_DOWN)
{
rtgui_dc_draw_border(dc, &rect, theme.style);
rtgui_dc_draw_byte(dc,rect.x1+(rect.x2-rect.x1-7)/2+1, rect.y1+(rect.y2-rect.y1-4)/2+1, 4, combo_down_bmp);
}
if(cbo->tbox != RT_NULL)
{
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_textbox_ondraw(cbo->tbox);
}
rtgui_dc_end_drawing(dc);
}
rt_bool_t rtgui_textbox_event_handler(struct rtgui_object *object, rtgui_event_t *event)
{
rtgui_widget_t *widget = RTGUI_WIDGET(object);
rtgui_textbox_t *box = RTGUI_TEXTBOX(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL)
widget->on_draw(RTGUI_OBJECT(widget), event);
else
#endif
rtgui_textbox_ondraw(box);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
widget->on_mouseclick(RTGUI_OBJECT(widget), event);
else
#endif
rtgui_textbox_onmouse(box, (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(RTGUI_OBJECT(widget), event);
else
#endif
rtgui_textbox_onkey(RTGUI_OBJECT(box), (struct rtgui_event *)event);
return RT_TRUE;
default:
return rtgui_widget_event_handler(RTGUI_OBJECT(widget), event);
}
return RT_FALSE;
}
void rtgui_fileview_set_directory(rtgui_fileview_t* fview, const char* directory)
{
char fullpath[256];
rtgui_fileview_item_t *item;
fview->first_item = 0;
fview->item_count = 0;
/* clear file information */
rtgui_fileview_clear(fview);
if(directory != RT_NULL)
{
DIR* dir;
struct stat s;
rt_uint32_t i;
struct dirent* dirent;
fview->item_count = 0;
/* open directory */
dir = opendir(directory);
if(dir == RT_NULL) return;
/* set current directory */
if(fview->current_dir != RT_NULL)
{
rt_free(fview->current_dir);
fview->current_dir = RT_NULL;
}
fview->current_dir = rt_strdup(directory);
if(fview->dlg != RT_NULL)
{
if(fview->dlg->path != RT_NULL)
rt_free(fview->dlg->path);
fview->dlg->path = rt_strdup(fview->current_dir);
if(fview->dlg->tbox_path != RT_NULL)
{
rtgui_textbox_set_value(fview->dlg->tbox_path,fview->dlg->path);
rtgui_textbox_ondraw(fview->dlg->tbox_path);
}
}
do
{
dirent = readdir(dir);
if(dirent == RT_NULL) break;
fview->item_count ++;
}
while(dirent != RT_NULL);
closedir(dir);
if((fview->item_count > fview->item_per_page) && fview->sbar!=RT_NULL)
{
RTGUI_WIDGET_SHOW(fview->sbar);
rtgui_scrollbar_set_line_step(fview->sbar,1);
rtgui_scrollbar_set_page_step(fview->sbar, fview->item_per_page);
rtgui_scrollbar_set_range(fview->sbar, fview->item_count);
}
else
{
RTGUI_WIDGET_HIDE(fview->sbar);
}
rtgui_widget_update_clip(fview);
/* apply to memory for store all items. */
fview->items = (rtgui_fileview_item_t*) rt_malloc(sizeof(rtgui_fileview_item_t) * fview->item_count);
if(fview->items == RT_NULL) goto __return; /* under the folder has not sub files. */
/* reopen directory */
dir = opendir(directory);
if(dir == RT_NULL) goto __return;
for(i=0; i < fview->item_count; i ++)
{
dirent = readdir(dir);
if(dirent == RT_NULL) break;
item = &(fview->items[i]);
item->name = rt_strdup(dirent->d_name);
rt_memset(&s, 0, sizeof(struct stat));
/* get fullpath of file */
dfs_get_fullpath(fullpath, directory, dirent->d_name);
stat(fullpath, &s);
if(s.st_mode & S_IFDIR)
{
item->type = RTGUI_FITEM_DIR;
item->size = 0;
}
else
{
item->type = RTGUI_FITEM_FILE;
item->size = s.st_size;
}
}
closedir(dir);
}
fview->now_item = 0;
__return:
/* update view */
rtgui_widget_update(fview);
}
/* update fileview */
void rtgui_fileview_update_current(rtgui_fileview_t* fview)
{
rtgui_fileview_item_t *item;
rtgui_rect_t rect, item_rect, image_rect;
rtgui_dc_t *dc;
RT_ASSERT(fview != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(fview);
if(dc == RT_NULL)return;
/* if directory is null, no dispost */
if(fview->items==RT_NULL)return;
rtgui_widget_get_rect(fview, &rect);
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview->sbar))
rect.x2 -= RC_W(fview->sbar->parent.extent);
if((fview->old_item >= fview->first_item) &&
(fview->old_item < fview->first_item+fview->item_per_page) &&
(fview->old_item != fview->now_item))
{
/* these condition dispell blinked when drawed */
/* get old item rect */
item_rect = rect;
item_rect.x1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.x2 -= RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.y1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.y1 += ((fview->old_item-fview->first_item) % fview->item_per_page) * (1 + RTGUI_SEL_H);
item_rect.y2 = item_rect.y1 + (1 + RTGUI_SEL_H);
/* get image rect */
image_rect.x1 = RTGUI_MARGIN;
image_rect.y1 = 0;
image_rect.x2 = RTGUI_MARGIN + file_image->w;
image_rect.y2 = file_image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
/* draw old item */
item = &(fview->items[fview->old_item]);
if(item->type == RTGUI_FITEM_FILE) /* draw item image */
rtgui_image_paste(file_image, dc, &image_rect, Black);
else
rtgui_image_paste(folder_image, dc, &image_rect,Black);
item_rect.x1 += RTGUI_MARGIN + file_image->w + 2;
item_rect.x2 = item_rect.x1 + rtgui_font_get_string_width(RTGUI_DC_FONT(dc), item->name);
RTGUI_DC_BC(dc) = theme.blankspace;
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_dc_fill_rect(dc,&item_rect);
rtgui_dc_draw_text(dc, item->name, &item_rect);
}
/* draw current item */
item_rect = rect;
item_rect.x1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.x2 -= RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.y1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.y1 += ((fview->now_item-fview->first_item) % fview->item_per_page) * (1 + RTGUI_SEL_H);
item_rect.y2 = item_rect.y1 + (1 + RTGUI_SEL_H);
/* get image base rect */
image_rect.x1 = RTGUI_MARGIN;
image_rect.y1 = 0;
image_rect.x2 = RTGUI_MARGIN + file_image->w;
image_rect.y2 = file_image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
item = &(fview->items[fview->now_item]);
if(item->type == RTGUI_FITEM_FILE) /* draw item image */
rtgui_image_paste(file_image, dc, &image_rect, Black);
else
rtgui_image_paste(folder_image, dc, &image_rect, Black);
if(fview->dlg != RT_NULL)
{
if(fview->dlg->filename != RT_NULL)
{
rt_free(fview->dlg->filename);
fview->dlg->filename = RT_NULL;
}
fview->dlg->filename = rt_strdup(item->name);
}
item_rect.x1 += RTGUI_MARGIN + file_image->w + 2;
item_rect.x2 = item_rect.x1 + rtgui_font_get_string_width(RTGUI_DC_FONT(dc), item->name);
{
if(RTGUI_WIDGET_IS_FOCUSED(fview))
{
RTGUI_DC_BC(dc) = DarkBlue;
RTGUI_DC_FC(dc) = theme.blankspace;
}
else
{
RTGUI_DC_BC(dc) = Gray;
RTGUI_DC_FC(dc) = theme.foreground;
}
rtgui_dc_fill_rect(dc, &item_rect);
rtgui_dc_draw_text(dc, item->name, &item_rect);
}
if(fview->dlg != RT_NULL)
{
if(item->type == RTGUI_FITEM_FILE)
{
if(fview->dlg->tbox_filename != RT_NULL)
{
rtgui_textbox_set_value(fview->dlg->tbox_filename,fview->dlg->filename);
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_textbox_ondraw(fview->dlg->tbox_filename);
}
}
}
rtgui_dc_end_drawing(dc);
}
static rt_bool_t rtgui_textbox_onkey(struct rtgui_object *widget, rtgui_event_t *event)
{
rtgui_textbox_t *box = RTGUI_TEXTBOX(widget);
struct rtgui_event_kbd *ekbd = (struct rtgui_event_kbd *)event;
rt_size_t length;
rt_uint16_t posbak = box->position;
RT_ASSERT(box != RT_NULL);
RT_ASSERT(ekbd != RT_NULL);
/* handle the key at down time and nothing to do with up */
if (RTGUI_KBD_IS_UP(ekbd))
return RT_TRUE;
if (box->dis_length == 0)
{
rtgui_rect_t rect;
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
if (box->font_width == 0)
return RT_FALSE;
box->dis_length = (rtgui_rect_width(rect) - 5) / box->font_width;
}
length = rt_strlen(box->text);
if (ekbd->key == RTGUIK_DELETE)
{
/* delete latter character */
if (box->first_pos + box->position == length - 1)
{
box->text[box->first_pos + box->position] = '\0';
}
else
{
char *c;
/* remove character */
for (c = &box->text[box->first_pos + box->position]; c[1] != '\0'; c++)
*c = c[1];
*c = '\0';
}
}
else if (ekbd->key == RTGUIK_BACKSPACE)
{
/* delete front character */
if (box->position == 0)
{
if(box->first_pos > 0)
{
if(box->first_pos > box->dis_length)
{
box->first_pos -= box->dis_length;
box->position = box->dis_length;
}
else
{
box->position = box->first_pos;
box->first_pos = 0;
}
}
}
else if (box->position == length-box->first_pos)
{
box->text[box->first_pos + box->position - 1] = '\0';
box->position --;
}
else if (box->position != 0)
{
/* remove current character */
if (box->position != 0)
{
char *c;
/* remove character */
for (c = &box->text[box->position - 1]; c[1] != '\0'; c++)
*c = c[1];
*c = '\0';
}
box->position --;
}
}
else if (ekbd->key == RTGUIK_LEFT)
{
/* move to prev */
if (box->position > 0)
{
box->position --;
}
else
{
if(box->first_pos > 0)
box->first_pos -= 1;//DEBUG
}
}
else if (ekbd->key == RTGUIK_RIGHT)
{
/* move to next */
if (box->first_pos + box->position < length)
{
if(box->position < box->dis_length)
box->position ++;
else
box->first_pos += 1;//DEBUG
}
}
else if (ekbd->key == RTGUIK_HOME)
{
/* move cursor to start */
box->position = 0;
box->first_pos = 0;
}
else if (ekbd->key == RTGUIK_END)
{
/* move cursor to end */
if(length > box->dis_length)
{
box->position = box->dis_length;
box->first_pos = length - box->dis_length;
}
else
{
box->position = length;
box->first_pos = 0;
}
}
else if (ekbd->key == RTGUIK_RETURN)
{
if (box->on_enter != RT_NULL)
{
box->on_enter(box, event);
}
}
else if (ekbd->key == RTGUIK_NUMLOCK)
{
/* change numlock state */
/*
extern void update_number_lock(void);
update_number_lock();
*/
}
else
{
if (isprint(ekbd->key))
{
/* it's may print character */
/* no buffer on this line */
if (box->flag & RTGUI_TEXTBOX_DIGIT)
{
/* only input digit */
if (!isdigit(ekbd->key))
{
/* exception: '.' and '-' */
if (ekbd->key != '.' && ekbd->key != '-')return RT_FALSE;
if (ekbd->key == '.' && strchr(box->text, '.'))return RT_FALSE;
if (ekbd->key == '-')
{
if (length + 1 > box->line_length) return RT_FALSE;
if (strchr(box->text, '-'))
{
char *c;
for (c = &box->text[0]; c != &box->text[length]; c++)
*c = *(c + 1);
box->text[length] = '\0';
box->position --;
goto _exit;
}
else
{
char *c;
for (c = &box->text[length]; c != &box->text[0]; c--)
*c = *(c - 1);
box->text[0] = '-';
box->text[length + 1] = '\0';
box->position ++;
goto _exit;
}
}
}
}
if (length + 1 > box->line_length) return RT_FALSE;
if (box->first_pos + box->position <= length - 1)
{
char *c;
for (c = &box->text[length]; c != &box->text[box->first_pos + box->position]; c--)
*c = *(c - 1);
box->text[length + 1] = '\0';
}
box->text[box->first_pos + box->position] = ekbd->key;
if(box->position < box->dis_length)
box->position ++;
else
box->first_pos ++;
}
}
_exit:
if (box->flag & RTGUI_TEXTBOX_CARET_SHOW)
{
if (box->caret_timer != RT_NULL)
rtgui_timer_stop(box->caret_timer);
box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
rtgui_textbox_draw_caret(box, posbak);/* refresh it */
if (box->caret_timer != RT_NULL)
rtgui_timer_start(box->caret_timer);
}
/* re-draw text box */
rtgui_textbox_ondraw(box);
rtgui_textbox_init_caret(box, box->position);
box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
rtgui_textbox_draw_caret(box, box->position);
return RT_TRUE;
}
