rt_bool_t rtgui_scrollbar_event_handler(rtgui_object_t *object, rtgui_event_t *event)
{
rtgui_widget_t *widget = RTGUI_WIDGET(object);
rtgui_scrollbar_t* bar = RTGUI_SCROLLBAR(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
{
if(!RTGUI_WIDGET_IS_HIDE(bar))
rtgui_scrollbar_ondraw(bar);
}
break;
case RTGUI_EVENT_MOUSE_BUTTON:
if(RTGUI_WIDGET_IS_ENABLE(widget))
{
#ifndef RTGUI_USING_SMALL_SIZE
if(widget->on_mouseclick != RT_NULL)
{
widget->on_mouseclick(object, event);
}
else
#endif
{
_rtgui_scrollbar_on_mouseclick(bar, event);
}
}
break;
case RTGUI_EVENT_MOUSE_MOTION:
if(RTGUI_WIDGET_IS_ENABLE(widget))
{
_rtgui_scrollbar_on_mousemotion(bar, event);
}
default:
return rtgui_widget_event_handler(object, event);
}
return RT_FALSE;
}
void rtgui_fileview_ondraw(rtgui_fileview_t* fview)
{
rt_uint16_t first, i,rx2;
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;
rtgui_widget_get_rect(fview, &rect);
rtgui_dc_draw_border(dc, &rect,RTGUI_WIDGET_BORDER_STYLE(fview));
rtgui_rect_inflate(&rect,-RTGUI_WIDGET_BORDER_SIZE(fview));
RTGUI_DC_BC(dc) = theme.blankspace;
rtgui_dc_fill_rect(dc,&rect);
rtgui_rect_inflate(&rect,RTGUI_WIDGET_BORDER_SIZE(fview));
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview->sbar))
rect.x2 -= RC_W(fview->sbar->parent.extent);
rect.x2 -=1;
rect.y2 -= 1;
/* get item base rect */
item_rect = rect;
item_rect.x1 += RTGUI_WIDGET_BORDER_SIZE(fview);
item_rect.x2 -= RTGUI_WIDGET_BORDER_SIZE(fview);
rx2 = item_rect.x2;
item_rect.y1 += RTGUI_WIDGET_BORDER_SIZE(fview);
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);
/* get current page */
first = fview->first_item;
for(i = 0; i < fview->item_per_page; i ++)
{
char str_size[32];
if(first + i >= fview->item_count) break;
item = &(fview->items[first + i]);
/* draw item image */
if(item->type == RTGUI_FITEM_FILE)
rtgui_image_paste(file_image, dc, &image_rect, Black);
else
rtgui_image_paste(folder_image, dc, &image_rect, Black);
/* draw text */
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(first + i == fview->now_item)
{
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);
}
else
{
/* draw background */
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);
}
#if (1) /* please turn off it when need. */
if(item->type == RTGUI_FITEM_FILE)
{
rtgui_rect_t rect=item_rect;
/* print file information */
rt_snprintf(str_size, 16, "(%dB)",item->size);
rect.x1 = rect.x2 + RTGUI_MARGIN;
rect.x2 = rect.x1 + rt_strlen(str_size) * FONT_W(RTGUI_WIDGET_FONT(fview));
RTGUI_DC_FC(dc) = theme.foreground;
rtgui_dc_draw_text(dc, str_size, &rect);
}
#endif
item_rect.x1 -= RTGUI_MARGIN + file_image->w + 2;
item_rect.x2 = rx2;
/* move to next item position */
item_rect.y1 += (RTGUI_SEL_H + 1);
item_rect.y2 += (RTGUI_SEL_H + 1);
image_rect.y1 += (RTGUI_SEL_H + 1);
image_rect.y2 += (RTGUI_SEL_H + 1);
}
if(fview->sbar && !RTGUI_WIDGET_IS_HIDE(fview->sbar))
{
rtgui_scrollbar_ondraw(fview->sbar);
}
rtgui_dc_end_drawing(dc);
}
static void _rtgui_scrollbar_on_mouseclick(rtgui_scrollbar_t *bar, rtgui_event_t * event)
{
rtgui_rect_t btn_rect, bar_rect,rect;
rt_uint32_t pos;
struct rtgui_event_mouse *mouse = (struct rtgui_event_mouse*)event;
RT_ASSERT(bar != RT_NULL);
/* get value */
pos = get_scrollbar_pos(bar);
rtgui_widget_get_rect(RTGUI_WIDGET(bar), &rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(bar),&rect);
if(bar->orient == RTGUI_VERTICAL)
{
/* arrange vertical */
/* get up arrow button rect */
btn_rect.x1 = rect.x1;
btn_rect.x2 = rect.x2;
btn_rect.y1 = rect.y1;
btn_rect.y2 = rect.y1 + rtgui_rect_width(rect);
if(rtgui_rect_contains_point(&btn_rect, mouse->x, mouse->y) == RT_EOK)
{
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
bar->status |= SBS_UPARROW;
if(bar->value==0)
{
rtgui_scrollbar_ondraw(bar);
return;
}
/* line step */
bar->value -= bar->line_step;
if(bar->value < 0) bar->value = 0;
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
{
bar->status = 0;
}
goto __exit;
}
/* click on the thumb chunk, be going to dragging */
rtgui_scrollbar_get_thumb_rect(bar, &bar_rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(bar),&bar_rect);
if(rtgui_rect_contains_point(&bar_rect, mouse->x, mouse->y) == RT_EOK)
{
/* on thumb */
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
/* changed status into drag */
bar->status |= SBS_VERTTHUMB;
sbar_mouse_move_size.x = mouse->x;
sbar_mouse_move_size.y = mouse->y;
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
{
bar->status = 0;
}
goto __exit;
}
else
{
/* click on space without thumb */
/* get bar rect */
bar_rect.y1 = rect.y1 + rtgui_rect_width(rect);
bar_rect.y2 = rect.y2 - rtgui_rect_width(rect);
if(rtgui_rect_contains_point(&bar_rect, mouse->x, mouse->y) == RT_EOK)
{
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
/* page step */
if(mouse->y < bar_rect.y1 + pos)
{
bar->status |= SBS_UPSPACE;
bar->value -= bar->page_step;
if(bar->value < 0) bar->value = 0;
}
else if(mouse->y > pos + bar->thumb_len)
{
bar->status |= SBS_DOWNSPACE;
bar->value += bar->page_step;
if(bar->value > bar->count) bar->value = bar->count;
}
}
goto __exit;
}
}
/* likewise foregoing */
/* get down arrow button rect */
bar_rect.x1 = rect.x1;
bar_rect.x2 = rect.x2;
btn_rect.y1 = rect.y2 - rtgui_rect_width(rect);
btn_rect.y2 = rect.y2;
if(rtgui_rect_contains_point(&btn_rect, mouse->x, mouse->y) == RT_EOK)
{
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
bar->status |= SBS_DOWNARROW;
if(bar->value==bar->count)
{
rtgui_scrollbar_ondraw(bar);
return;
}
/* line step */
bar->value += bar->line_step;
if(bar->value > bar->count) bar->value = bar->count;
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
bar->status = 0;
goto __exit;
}
}
else
{
/* get left arrow button rect */
btn_rect.x1 = rect.x1;
btn_rect.x2 = rect.x1 + rtgui_rect_height(rect);
btn_rect.y1 = rect.y1;
btn_rect.y2 = rect.y2;
if(rtgui_rect_contains_point(&btn_rect, mouse->x, mouse->y) == RT_EOK)
{
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
bar->status |= SBS_LEFTARROW;
if(bar->value==0)
{
rtgui_scrollbar_ondraw(bar);
return;
}
/* line step */
bar->value -= bar->line_step;
if(bar->value < 0) bar->value = 0;
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
bar->status = 0;
goto __exit;
}
rtgui_scrollbar_get_thumb_rect(bar, &bar_rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(bar),&bar_rect);
if(rtgui_rect_contains_point(&bar_rect, mouse->x, mouse->y) == RT_EOK)
{
/* on the thumb */
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
bar->status |= SBS_HORZTHUMB;
sbar_mouse_move_size.x = mouse->x;
sbar_mouse_move_size.y = mouse->y;
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
{
bar->status = 0;
}
goto __exit;
}
else
{
/* get bar rect */
bar_rect.x1 = rect.x1 + rtgui_rect_height(rect);
bar_rect.x2 = rect.x2 - rtgui_rect_height(rect);
bar_rect.y1 = rect.y1;
bar_rect.y2 = rect.y2;
if(rtgui_rect_contains_point(&bar_rect, mouse->x, mouse->y) == RT_EOK)
{
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
/* page step */
if(mouse->x < bar_rect.x1 + pos)
{
bar->status |= SBS_LEFTSPACE;
bar->value -= bar->page_step;
if(bar->value < 0) bar->value = 0;
}
else if(mouse->x > pos + bar->thumb_len)
{
bar->status |= SBS_RIGHTSPACE;
bar->value += bar->page_step;
if(bar->value > bar->count) bar->value = bar->count;
}
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
{
bar->status = 0;
}
goto __exit;
}
}
/* get right arrow button rect */
btn_rect.x1 = rect.x2 - rtgui_rect_height(rect);
btn_rect.x2 = rect.x2;
bar_rect.y1 = rect.y1;
bar_rect.y2 = rect.y2;
if(rtgui_rect_contains_point(&btn_rect, mouse->x, mouse->y) == RT_EOK)
{
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
bar->status |= SBS_RIGHTARROW;
if(bar->value==bar->count)
{
rtgui_scrollbar_ondraw(bar);
return;
}
/* line step */
bar->value += bar->line_step;
if(bar->value > bar->count) bar->value = bar->count;
}
else if(mouse->button & RTGUI_MOUSE_BUTTON_UP)
bar->status = 0;
goto __exit;
}
}
__exit:
rtgui_scrollbar_ondraw(bar);
if((mouse->button & RTGUI_MOUSE_BUTTON_LEFT) && (mouse->button & RTGUI_MOUSE_BUTTON_DOWN))
{
if(bar->widget_link != RT_NULL && bar->on_scroll != RT_NULL)
{
rtgui_widget_focus(bar->widget_link);
bar->on_scroll(RTGUI_OBJECT(bar->widget_link), event);
}
}
}
/* thumb chunk activity */
static void _rtgui_scrollbar_on_mousemotion(rtgui_scrollbar_t *bar, rtgui_event_t * event)
{
float tmppos;
rt_uint32_t pos;
struct rtgui_event_mouse *mouse = (struct rtgui_event_mouse*)event;
rt_kprintf("sbar mouse motion.\n");
tmppos = _rtgui_scrollbar_get_length(bar);
tmppos /= bar->count;
pos = (rt_uint32_t)tmppos;
if(bar->orient == RTGUI_VERTICAL)
{
if(bar->status & SBS_VERTTHUMB)
{
/* from then on mouseclick */
if((mouse->y-sbar_mouse_move_size.y) > 3)
{
bar->status |= SBS_DOWNTHUMB;
}
else if((mouse->y-sbar_mouse_move_size.y) < -3)
{
bar->status |= SBS_UPTHUMB;
}
else bar->status &= ~(SBS_UPTHUMB|SBS_DOWNTHUMB);
if(abs(mouse->y-sbar_mouse_move_size.y) >= pos)
{
int step = abs(mouse->y-sbar_mouse_move_size.y)/pos;
sbar_mouse_move_size.y = mouse->y;
if(bar->status & SBS_UPTHUMB)
{
bar->value -= step;
if(bar->value < 0) bar->value = 0;
}
else if(bar->status & SBS_DOWNTHUMB)
{
bar->value += step;
if(bar->value > bar->count) bar->value = bar->count;
}
goto __exit;
}
}
else if(bar->status & SBS_UPARROW)
{
/* on-going push down uparrow button */
if(bar->value==0)return;
bar->value -= bar->line_step;
if(bar->value < 0) bar->value = 0;
goto __exit;
}
else if(bar->status & SBS_DOWNARROW)
{
/* on-going push down downarrow button */
if(bar->value==bar->count)return;
bar->value += bar->line_step;
if(bar->value > bar->count) bar->value = bar->count;
goto __exit;
}
/*else if(bar->status & SBS_UPSPACE)
{
bar->value -= bar->page_step;
if(bar->value < 0) bar->value = 0;
goto __exit;
}
else if(bar->status & SBS_DOWNSPACE)
{
bar->value += bar->page_step;
if(bar->value > bar->count) bar->value = bar->count;
goto __exit;
}*/
return;
}
else
{
if(bar->status & SBS_HORZTHUMB)
{rt_kprintf("HORZTHUMB, move event\n");
if((mouse->x-sbar_mouse_move_size.x) > 5)
{
bar->status |= SBS_RIGHTTHUMB;
}
else if((mouse->x-sbar_mouse_move_size.x) < -5)
{
bar->status |= SBS_LEFTTHUMB;
}
if(abs(mouse->x-sbar_mouse_move_size.x) > pos)
{
int step = abs(mouse->x-sbar_mouse_move_size.x)/pos;
sbar_mouse_move_size.x = mouse->x;
if(bar->status & SBS_LEFTTHUMB)
{
bar->value -= step;
if(bar->value < 0) bar->value = 0;
}
else if(bar->status & SBS_RIGHTTHUMB)
{
bar->value += step;
if(bar->value > bar->count) bar->value = bar->count;
}
goto __exit;
}
}
else if(bar->status & SBS_LEFTARROW)
{
if(bar->value==0)return;
bar->value -= bar->line_step;
if(bar->value < 0) bar->value = 0;
goto __exit;
}
else if(bar->status & SBS_RIGHTARROW)
{
if(bar->value==bar->count)return;
bar->value += bar->line_step;
if(bar->value > bar->count) bar->value = bar->count;
goto __exit;
}
/*else if(bar->status & SBS_LEFTSPACE)
{
bar->value -= bar->page_step;
if(bar->value < bar->min) bar->value = bar->min;
goto __exit;
}
else if(bar->status & SBS_RIGHTSPACE)
{
bar->value += bar->page_step;
if(bar->value > bar->count-1) bar->value = bar->count-1;
goto __exit;
}*/
return;
}
__exit:
rtgui_scrollbar_ondraw(bar);
if(bar->widget_link != RT_NULL && bar->on_scroll != RT_NULL)
{
rtgui_widget_focus(bar->widget_link);
bar->on_scroll(RTGUI_OBJECT(bar->widget_link), event);
}
}
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_SIZE(edit));
/* fill widget rect with edit background color */
RTGUI_DC_BC(dc) = RTGUI_WIDGET_BC(edit);
rtgui_dc_fill_rect(dc, &rect);
rtgui_rect_inflate(&rect, RTGUI_WIDGET_BORDER_SIZE(edit));
/* draw border */
rtgui_dc_draw_border(dc, &rect, RTGUI_WIDGET_BORDER_STYLE(edit));
rtgui_rect_inflate(&rect, -(edit->margin + RTGUI_WIDGET_BORDER_SIZE(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_uint32_t tmp_pos=0, ofs;
char *str = line->text+edit->upleft.x;
if(edit->upleft.x < line->len)
{
rtgui_point_t p = edit->visual;
edit->visual.x = 0;
identify_double_byte(edit, line, EDIT_IDENT_DIR_LEFT, &tmp_pos);
ofs = tmp_pos % 2;
if(ofs == 1)
{
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_BC(edit);
rtgui_dc_fill_rect(edit->dbl_buf, &r);
RTGUI_DC_FC(edit->dbl_buf) = RTGUI_WIDGET_FC(edit);
rtgui_dc_draw_text(edit->dbl_buf, dbl_bmp, &r);
rtgui_dc_blit(edit->dbl_buf, pot.x, pot.y, dc, rect.x1, rect.y1,
edit->font_width, edit->font_height);
}
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;
}
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_SIZE(edit);
rect.y1 = rect.y2-RTGUI_WIDGET_BORDER_SIZE(edit);
_bc = RTGUI_DC_BC(dc);
RTGUI_DC_BC(dc) = theme.background;
rtgui_dc_fill_rect(dc,&rect);
RTGUI_DC_BC(dc) = _bc;
}
#endif
rtgui_dc_end_drawing(dc);
}
