void rtgui_listbox_ondraw(struct rtgui_listbox* box)
{
struct rtgui_rect rect, item_rect;
struct rtgui_dc* dc;
rt_uint16_t page_index, index;
const struct rtgui_listbox_item* item;
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
rtgui_dc_fill_rect(dc, &rect);
rect.x2 -= 1; rect.y2 -= 1;
/* draw focused border */
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(box)))
rtgui_dc_draw_focus_rect(dc, &rect);
/* get item base rect */
item_rect = rect;
item_rect.x1 += 1; item_rect.x2 -= 1;
item_rect.y1 += 2;
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
/* get current page */
page_index = (box->current_item / box->page_items) * box->page_items;
for (index = 0; index < box->page_items; index ++)
{
if (page_index + index >= box->items_count) break;
item = &(box->items[page_index + index]);
if (page_index + index == box->current_item)
{
rtgui_theme_draw_selected(dc, &item_rect);
}
item_rect.x1 += LIST_MARGIN;
if (item->image != RT_NULL)
{
rtgui_image_blit(item->image, dc, &item_rect);
item_rect.x1 += item->image->w + 2;
}
/* draw text */
rtgui_dc_draw_text(dc, item->name, &item_rect);
if (item->image != RT_NULL)
item_rect.x1 -= (item->image->w + 2);
item_rect.x1 -= LIST_MARGIN;
/* move to next item position */
item_rect.y1 += (rtgui_theme_get_selected_height() + 2);
item_rect.y2 += (rtgui_theme_get_selected_height() + 2);
}
rtgui_dc_end_drawing(dc);
}
static void rtgui_list_view_onicondraw(struct rtgui_list_view *view, struct rtgui_dc *dc)
{
struct rtgui_rect rect, item_rect, drawing_rect;
rt_ubase_t c, r, item_index; /* col and row index */
rt_ubase_t item_width, item_height;
rtgui_image_t *image;
if (view->items_count == 0) return;
rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
item_index = (view->current_item / view->page_items) * view->page_items;
item_width = (rtgui_rect_width(rect) - 2 * LIST_MARGIN) / view->col_items;
item_height = (rtgui_rect_height(rect) - 4) / view->row_items;
image = view->items[0].image;
for (r = 0; r < view->row_items; r ++)
{
for (c = 0; c < view->col_items; c ++)
{
if (item_index < view->items_count)
{
item_rect.y1 = rect.y1 + LIST_MARGIN + r * item_height;
item_rect.x1 = rect.x1 + LIST_MARGIN + c * item_width;
item_rect.x2 = item_rect.x1 + item_width;
item_rect.y2 = item_rect.y1 + item_height;
if (item_index == view->current_item)
{
rtgui_theme_draw_selected(dc, &item_rect);
}
drawing_rect.x1 = drawing_rect.y1 = 0;
drawing_rect.x2 = image->w;
drawing_rect.y2 = image->h;
rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
drawing_rect.y1 += 5;
drawing_rect.y2 += 5;
rtgui_image_blit(view->items[item_index].image, dc, &drawing_rect);
item_rect.y1 = drawing_rect.y2 + LIST_MARGIN;
item_rect.x1 += 3;
item_rect.x2 -= 3;
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(view), view->items[item_index].name,
&drawing_rect);
rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_dc_draw_text(dc, view->items[item_index].name, &drawing_rect);
item_index ++;
}
else break;
}
}
}
static void rtgui_list_view_onlistdraw(struct rtgui_list_view *view, struct rtgui_dc *dc)
{
rt_ubase_t index, page_index;
rtgui_rect_t rect, item_rect, image_rect;
const struct rtgui_list_item *item;
rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
/* get item base rect */
item_rect = rect;
item_rect.y1 += 2;
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
/* get current page */
page_index = (view->current_item / view->page_items) * view->page_items;
for (index = 0; index < view->page_items; index ++)
{
if (page_index + index >= view->items_count) break;
item = &(view->items[page_index + index]);
if (page_index + index == view->current_item)
{
rtgui_theme_draw_selected(dc, &item_rect);
}
item_rect.x1 += LIST_MARGIN;
if (item->image != RT_NULL)
{
/* blit on center */
image_rect.x1 = 0;
image_rect.y1 = 0;
image_rect.x2 = item->image->w;
image_rect.y2 = item->image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(item->image, dc, &image_rect);
item_rect.x1 += item->image->w + 2;
}
/* draw text */
rtgui_dc_draw_text(dc, item->name, &item_rect);
if (item->image != RT_NULL)
item_rect.x1 -= (item->image->w + 2);
item_rect.x1 -= LIST_MARGIN;
/* move to next item position */
item_rect.y1 += (rtgui_theme_get_selected_height() + 2);
item_rect.y2 += (rtgui_theme_get_selected_height() + 2);
}
}
static void rtgui_listctrl_update_current(struct rtgui_listctrl *ctrl, rt_uint16_t old_item)
{
struct rtgui_dc *dc;
rtgui_rect_t rect, item_rect;
if (old_item / ctrl->page_items != ctrl->current_item / ctrl->page_items)
{
/* it's not a same page, update all */
rtgui_widget_update(RTGUI_WIDGET(ctrl));
return;
}
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(ctrl));
if (dc == RT_NULL) return;
_rtgui_listctrl_get_rect(ctrl, &rect);
rect.x2 -= 1;
rect.y2 -= 1;
item_rect = rect;
/* get old item's rect */
item_rect.x1 += 1;
item_rect.x2 -= 1;
item_rect.y1 += 2;
item_rect.y1 += (old_item % ctrl->page_items) * (2 + ctrl->item_height);
item_rect.y2 = item_rect.y1 + (2 + ctrl->item_height);
/* draw old item */
rtgui_dc_fill_rect(dc, &item_rect);
if (ctrl->on_item_draw != RT_NULL)
ctrl->on_item_draw(ctrl, dc, &item_rect, old_item);
/* draw current item */
item_rect = rect;
/* get current item's rect */
item_rect.x1 += 1;
item_rect.x2 -= 1;
item_rect.y1 += 2;
item_rect.y1 += (ctrl->current_item % ctrl->page_items) * (2 + ctrl->item_height);
item_rect.y2 = item_rect.y1 + (2 + ctrl->item_height);
/* draw current item */
rtgui_theme_draw_selected(dc, &item_rect);
if (ctrl->on_item_draw != RT_NULL)
ctrl->on_item_draw(ctrl, dc, &item_rect, ctrl->current_item);
rtgui_dc_end_drawing(dc);
}
static void _rtgui_listctrl_ondraw(struct rtgui_listctrl *ctrl)
{
struct rtgui_rect rect, item_rect;
struct rtgui_dc *dc;
rt_uint16_t page_index, index;
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(ctrl));
if (dc == RT_NULL) return;
_rtgui_listctrl_get_rect(ctrl, &rect);
rtgui_dc_fill_rect(dc, &rect);
rect.x2 -= 1;
rect.y2 -= 1;
/* get item base rect */
item_rect = rect;
item_rect.x1 += 1;
item_rect.x2 -= 1;
item_rect.y1 += 2;
item_rect.y2 = item_rect.y1 + (2 + ctrl->item_height);
/* get current page */
page_index = (ctrl->current_item / ctrl->page_items) * ctrl->page_items;
for (index = 0; index < ctrl->page_items; index ++)
{
if (page_index + index >= ctrl->items_count) break;
if (page_index + index == ctrl->current_item)
{
rtgui_theme_draw_selected(dc, &item_rect);
}
if (ctrl->on_item_draw != RT_NULL)
{
ctrl->on_item_draw(ctrl, dc, &item_rect, page_index + index);
}
/* move to next item position */
item_rect.y1 += (ctrl->item_height + 2);
item_rect.y2 += (ctrl->item_height + 2);
}
/* draw scrollbar */
_rtgui_listctrl_scrollbar_ondraw(ctrl, dc);
rtgui_dc_end_drawing(dc);
}
static void _rtgui_listctrl_scrollbar_ondraw(struct rtgui_listctrl* ctrl, struct rtgui_dc* dc)
{
rtgui_rect_t rect;
rt_uint32_t height, y1;
/* get scrollbar rect */
_rtgui_listctrl_get_scrollbar_rect(ctrl, &rect);
rtgui_dc_fill_rect(dc, &rect);
height = rtgui_rect_height(rect);
height = height / ((ctrl->items_count + (ctrl->page_items - 1))/ctrl->page_items);
y1 = (ctrl->current_item / ctrl->page_items) * height;
rect.y1 = rect.y1 + y1; rect.y2 = rect.y1 + height;
rtgui_theme_draw_selected(dc, &rect);
}
void rtgui_list_view_update_list(struct rtgui_list_view* view, rt_uint16_t old_item)
{
struct rtgui_dc* dc;
const struct rtgui_list_item* item;
rtgui_rect_t rect, item_rect;
if (old_item/view->page_items != view->current_item/view->page_items)
{
/* it's not a same page, update all */
rtgui_widget_update(RTGUI_WIDGET(view));
return;
}
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
/* get old item's rect and draw old item */
item_rect.x1 = rect.x1; item_rect.x2 = rect.x2;
item_rect.y1 = rect.y1 + 2;
item_rect.y1 += (old_item % view->page_items) * (2 + rtgui_theme_get_selected_height());
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
rtgui_dc_fill_rect(dc, &item_rect);
item_rect.x1 += LIST_MARGIN;
item = &(view->items[old_item]);
if (item->image != RT_NULL)
{
struct rtgui_rect image_rect;
/* blit on center */
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = item->image->w;
image_rect.y2 = item->image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(item->image, dc, &image_rect);
item_rect.x1 += item->image->w + 2;
}
rtgui_dc_draw_text(dc, item->name, &item_rect);
/* draw current item */
item_rect = rect;
/* get current item's rect */
item_rect.y1 += 2;
item_rect.y1 += (view->current_item % view->page_items) * (2 + rtgui_theme_get_selected_height());
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
/* draw current item */
rtgui_theme_draw_selected(dc, &item_rect);
item_rect.x1 += LIST_MARGIN;
item = &(view->items[view->current_item]);
if (item->image != RT_NULL)
{
struct rtgui_rect image_rect;
/* blit on center */
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = item->image->w;
image_rect.y2 = item->image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(item->image, dc, &image_rect);
item_rect.x1 += (item->image->w + 2);
}
rtgui_dc_draw_text(dc, item->name, &item_rect);
rtgui_dc_end_drawing(dc);
}
static void rtgui_list_view_update_icon(struct rtgui_list_view* view, rt_uint16_t old_item)
{
struct rtgui_rect rect, item_rect, drawing_rect;
rt_ubase_t c, r; /* col and row index */
rt_ubase_t item_width, item_height;
rtgui_image_t* image;
struct rtgui_dc* dc;
if ((view->items_count == 0) ||
(old_item == view->current_item))
return;
if (old_item/view->page_items != view->current_item/view->page_items)
{
/* it's not a same page, update all */
rtgui_widget_update(RTGUI_WIDGET(view));
return;
}
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
item_width = (rtgui_rect_width(rect) - 2 * LIST_MARGIN)/view->col_items;
item_height = (rtgui_rect_height(rect) - 4)/view->row_items;
image = view->items[0].image;
/* update old item */
r = (old_item % view->page_items)/ view->col_items;
c = (old_item % view->page_items)% view->col_items;
item_rect.y1 = rect.y1 + LIST_MARGIN + r * item_height;
item_rect.x1 = rect.x1 + LIST_MARGIN + c * item_width;
item_rect.x2 = item_rect.x1 + item_width;
item_rect.y2 = item_rect.y1 + item_height;
rtgui_dc_fill_rect(dc, &item_rect);
/* draw image */
drawing_rect.x1 = drawing_rect.y1 = 0;
drawing_rect.x2 = image->w;
drawing_rect.y2 = image->h;
rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
drawing_rect.y1 += 3; drawing_rect.y2 += 3;
rtgui_image_blit(view->items[old_item].image, dc, &drawing_rect);
/* draw text */
item_rect.y1 = drawing_rect.y2 + LIST_MARGIN;
item_rect.x1 += 3; item_rect.x2 -=3;
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(RTGUI_WIDGET(view)), view->items[old_item].name,
&drawing_rect);
rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_dc_draw_text(dc, view->items[old_item].name, &drawing_rect);
/* update new item as selected */
r = (view->current_item % view->page_items) / view->col_items;
c = (view->current_item % view->page_items) % view->col_items;
item_rect.y1 = rect.y1 + LIST_MARGIN + r * item_height;
item_rect.x1 = rect.x1 + LIST_MARGIN + c * item_width;
item_rect.x2 = item_rect.x1 + item_width;
item_rect.y2 = item_rect.y1 + item_height;
rtgui_theme_draw_selected(dc, &item_rect);
/* draw image */
drawing_rect.x1 = 0;
drawing_rect.y1 = 3;
drawing_rect.x2 = image->w;
drawing_rect.y2 = 3 + image->h;
rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_image_blit(view->items[view->current_item].image, dc, &drawing_rect);
/* draw text */
item_rect.y1 = drawing_rect.y2 + LIST_MARGIN;
item_rect.x1 += 3; item_rect.x2 -=3;
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(RTGUI_WIDGET(view)),
view->items[view->current_item].name,
&drawing_rect);
rtgui_rect_moveto_align(&item_rect, &drawing_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_dc_draw_text(dc, view->items[view->current_item].name, &drawing_rect);
rtgui_dc_end_drawing(dc);
}
void rtgui_filelist_view_update_current(struct rtgui_filelist_view *view, rt_uint16_t old_item)
{
struct rtgui_dc *dc;
struct rtgui_file_item *item;
rtgui_rect_t rect, item_rect, image_rect;
if (old_item / view->page_items != view->current_item / view->page_items)
{
/* it's not a same page, update all */
rtgui_widget_update(RTGUI_WIDGET(view));
return;
}
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
/* get old item rect */
item_rect = rect;
item_rect.y1 += 1;
item_rect.y1 += (old_item % view->page_items) * (1 + rtgui_theme_get_selected_height());
item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
/* get image rect */
image_rect.x1 = RTGUI_FILELIST_MARGIN;
image_rect.y1 = 0;
image_rect.x2 = RTGUI_FILELIST_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 */
rtgui_dc_fill_rect(dc, &item_rect);
item = &(view->items[old_item]);
if (item->type == RTGUI_FITEM_FILE) /* draw item image */
rtgui_image_blit(file_image, dc, &image_rect);
else
rtgui_image_blit(folder_image, dc, &image_rect);
item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
rtgui_dc_draw_text(dc, item->name, &item_rect);
/* draw current item */
item_rect = rect;
item_rect.y1 += 1;
item_rect.y1 += (view->current_item % view->page_items) * (1 + rtgui_theme_get_selected_height());
item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
rtgui_theme_draw_selected(dc, &item_rect);
/* get image base rect */
image_rect.x1 = RTGUI_FILELIST_MARGIN;
image_rect.y1 = 0;
image_rect.x2 = RTGUI_FILELIST_MARGIN + file_image->w;
image_rect.y2 = file_image->h;
rtgui_rect_moveto_align(&item_rect, &image_rect, RTGUI_ALIGN_CENTER_VERTICAL);
item = &(view->items[view->current_item]);
if (item->type == RTGUI_FITEM_FILE) /* draw item image */
rtgui_image_blit(file_image, dc, &image_rect);
else
rtgui_image_blit(folder_image, dc, &image_rect);
item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
rtgui_dc_draw_text(dc, item->name, &item_rect);
if(view->on_changed!=RT_NULL)
{
view->on_changed(RTGUI_OBJECT(view),RT_NULL);
}
rtgui_dc_end_drawing(dc);
}
void rtgui_filelist_view_ondraw(struct rtgui_filelist_view *view)
{
struct rtgui_dc *dc;
rt_uint16_t page_index, index;
struct rtgui_file_item *item;
struct rtgui_rect rect, item_rect, image_rect;
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
rtgui_dc_fill_rect(dc, &rect);
/* get item base rect */
item_rect = rect;
item_rect.y1 += 1;
item_rect.y2 = item_rect.y1 + (1 + rtgui_theme_get_selected_height());
/* get image base rect */
image_rect.x1 = RTGUI_FILELIST_MARGIN;
image_rect.y1 = 0;
image_rect.x2 = RTGUI_FILELIST_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 */
page_index = (view->current_item / view->page_items) * view->page_items;
for (index = 0; index < view->page_items; index ++)
{
if (page_index + index >= view->items_count) break;
item = &(view->items[page_index + index]);
if (page_index + index == view->current_item)
{
rtgui_theme_draw_selected(dc, &item_rect);
}
else
{
/* draw background */
rtgui_dc_fill_rect(dc, &item_rect);
}
/* draw item */
if (item->type == RTGUI_FITEM_FILE)
rtgui_image_blit(file_image, dc, &image_rect);
else
rtgui_image_blit(folder_image, dc, &image_rect);
/* draw text */
item_rect.x1 += RTGUI_FILELIST_MARGIN + file_image->w + 2;
rtgui_dc_draw_text(dc, item->name, &item_rect);
item_rect.x1 -= RTGUI_FILELIST_MARGIN + file_image->w + 2;
/* move to next item position */
item_rect.y1 += (rtgui_theme_get_selected_height() + 1);
item_rect.y2 += (rtgui_theme_get_selected_height() + 1);
image_rect.y1 += (rtgui_theme_get_selected_height() + 1);
image_rect.y2 += (rtgui_theme_get_selected_height() + 1);
}
rtgui_dc_end_drawing(dc);
}
void rtgui_listbox_update_current(struct rtgui_listbox* box, rt_uint16_t old_item)
{
struct rtgui_dc* dc;
const struct rtgui_listbox_item* item;
rtgui_rect_t rect, item_rect;
if (old_item/box->page_items != box->current_item/box->page_items)
{
/* it's not a same page, update all */
rtgui_widget_update(RTGUI_WIDGET(box));
return;
}
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
rect.x2 -= 1; rect.y2 -= 1;
item_rect = rect;
/* get old item's rect */
item_rect.x1 += 1; item_rect.x2 -= 1;
item_rect.y1 += 2;
item_rect.y1 += (old_item % box->page_items) * (2 + rtgui_theme_get_selected_height());
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
/* draw old item */
rtgui_dc_fill_rect(dc, &item_rect);
item_rect.x1 += LIST_MARGIN;
item = &(box->items[old_item]);
if (item->image != RT_NULL)
{
rtgui_image_blit(item->image, dc, &item_rect);
item_rect.x1 += item->image->w + 2;
}
rtgui_dc_draw_text(dc, item->name, &item_rect);
/* draw current item */
item_rect = rect;
/* get current item's rect */
item_rect.x1 += 1; item_rect.x2 -= 1;
item_rect.y1 += 2;
item_rect.y1 += (box->current_item % box->page_items) * (2 + rtgui_theme_get_selected_height());
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
/* draw current item */
rtgui_theme_draw_selected(dc, &item_rect);
item_rect.x1 += LIST_MARGIN;
item = &(box->items[box->current_item]);
if (item->image != RT_NULL)
{
rtgui_image_blit(item->image, dc, &item_rect);
item_rect.x1 += (item->image->w + 2);
}
rtgui_dc_draw_text(dc, item->name, &item_rect);
rtgui_dc_end_drawing(dc);
}
