static void priv_page(rtgui_widget_t *widget)
{
struct rtgui_dc *dc;
if (app_list->current_page == 0)
{
return;
}
app_list->current_page--;
while ((app_list->current_page * 480) < app_list->listdisp_point.x)
{
app_list->listdisp_point.x -= 40;
app_list->bgdisp_point.x -= 10;
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(widget));
rtgui_dc_blit(app_list->bg_buffer, &app_list->bgdisp_point,
dc, &app_list->rect);
rtgui_dc_blit(app_list->view_buffer, &app_list->listdisp_point,
dc, &app_list->view_rect);
rtgui_dc_blit(app_list->pm_buffer, RT_NULL, dc, &app_list->pm_rect);
rtgui_dc_end_drawing(dc);
}
app_list_pagemark_change(app_list);
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(widget));
rtgui_dc_blit(app_list->pm_buffer, RT_NULL, dc, &app_list->pm_rect);
rtgui_dc_end_drawing(dc);
}
static void on_draw(rtgui_widget_t *widget)
{
struct rtgui_dc *dc;
dc = rtgui_dc_begin_drawing(widget);
rtgui_dc_blit(app_list->bg_buffer, &app_list->bgdisp_point,
dc, &app_list->rect);
rtgui_dc_blit(app_list->view_buffer, &app_list->listdisp_point,
dc, &app_list->view_rect);
rtgui_dc_blit(app_list->pm_buffer, RT_NULL, dc, &app_list->pm_rect);
rtgui_dc_end_drawing(dc);
}
static rt_bool_t animation_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
{
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc* dc;
rtgui_rect_t rect;
/* 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view先绘图 */
rtgui_view_event_handler(widget, event);
/* 获得控件所属的DC */
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL) /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
return RT_FALSE;
/* 获得demo view允许绘图的区域 */
demo_view_get_logic_rect(RTGUI_VIEW(widget), &rect);
/* 绘图 */
rect = text_rect;
rtgui_rect_inflate(&rect, +1);
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
else
{
/* 调用默认的事件处理函数 */
return rtgui_view_event_handler(widget, event);
}
return RT_FALSE;
}
/*
* view的事件处理函数
*/
static rt_bool_t dc_buffer_event_handler(PVOID wdt, rtgui_event_t *event)
{
/* 仅对PAINT事件进行处理 */
if (event->type == RTGUI_EVENT_PAINT) {
struct rtgui_dc* dc;
rtgui_rect_t rect;
/*
* 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view
* 先绘图
*/
rtgui_view_event_handler(wdt, event);
/* 获得控件所属的DC */
dc = rtgui_dc_begin_drawing(wdt);
/* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
if (dc == RT_NULL)
return RT_FALSE;
rtgui_widget_get_rect(wdt, &rect);
rect.x1 += 10;
rect.y1 += 40;
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
} else {
/* 其他事件，调用默认的事件处理函数 */
return rtgui_view_event_handler(wdt, event);
}
return RT_FALSE;
}
static void timeout(struct rtgui_timer* timer, void* parameter)
{
rtgui_dc_t* dc;
rtgui_rect_t rect;
rtgui_view_t *view;
/* 控件(view)通过parameter参数传递给定时器 */
view = (rtgui_view_t*)parameter;
/* 获得控件所属的DC */
dc = rtgui_dc_begin_drawing(view);
if (dc == RT_NULL) /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
return ;
/* 获得demo view允许绘图的区域，主要用于判断边界 */
rtgui_widget_get_rect(view, &rect);
rtgui_rect_inflate(&rect, -5);
rect.y1 += 35;
/* 判断是否是第一次绘图 */
if ((text_rect.x1 == 0) && (text_rect.y1 == 0))
{
rtgui_rect_moveto(&text_rect, rect.x1, rect.y1);
}
/* 设置dx和dy */
if (text_rect.x2 >= rect.x2) dx = -1;
if (text_rect.x1 < rect.x1) dx = 1;
if (text_rect.y2 >= rect.y2) dy = -1;
if (text_rect.y1 < rect.y1) dy = 1;
/* 移动文本框的位置 */
text_rect.x1 += dx;
text_rect.x2 += dx;
text_rect.y1 += dy;
text_rect.y2 += dy;
/* 绘图 */
rect = text_rect;
rect.x2 += 2;
rect.y2 += 2;
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
/*
* view的事件处理函数
*/
static rt_bool_t dc_buffer_event_handler(struct rtgui_object* object, rtgui_event_t *event)
{
struct rtgui_widget *widget = RTGUI_WIDGET(object);
/* 仅对PAINT事件进行处理 */
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc* dc;
rtgui_rect_t rect;
/*
* 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view
* 先绘图
*/
rtgui_container_event_handler(object, event);
/* 获得控件所属的DC */
dc = rtgui_dc_begin_drawing(widget);
/* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
if (dc == RT_NULL)
return RT_FALSE;
/* 获得demo view允许绘图的区域 */
demo_view_get_logic_rect(RTGUI_CONTAINER(widget), &rect);
rect.x1 += 10;
rect.y1 += 10;
rtgui_dc_blit(dc_buffer, NULL, dc, &rect);
/* 绘图完成 */
rtgui_dc_end_drawing(dc);
}
else
{
/* 其他事件，调用默认的事件处理函数 */
return rtgui_container_event_handler(object, event);
}
return RT_FALSE;
}
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);
}