def __get_columns_mouse_data(self, event, move_check=False):
offset_x, offset_y, viewport = get_offset_coordinate(self)
save_x, save_y = 0, 0
if self.__in_columns_check(offset_y, event):
# 获取行item,列的sub_items.
x_padding = 0
col_index = 0
for column in self.columns:
if move_check:
padding_width = x_padding + column.width
# 判断是否在移动区域内.
if (padding_width -
self.__press_columns_area_width) <= int(
event.x) <= padding_width:
return col_index, True
else:
if x_padding <= int(event.x) <= x_padding + column.width:
save_x = int(event.x - x_padding)
save_y = int(event.y)
return col_index, save_x, save_y
col_index += 1
x_padding += column.width
# 返回空数据.
if move_check:
return None, False
else:
return None, None, None
def __get_columns_mouse_data(self, event, move_check=False):
offset_x, offset_y, viewport = get_offset_coordinate(self)
save_x, save_y = 0, 0
if self.__in_columns_check(offset_y, event):
# 获取行item,列的sub_items.
x_padding = 0
col_index = 0
for column in self.columns:
if move_check:
padding_width = x_padding + column.width
# 判断是否在移动区域内.
if (padding_width - self.__press_columns_area_width) <= int(event.x) <= padding_width:
return col_index, True
else:
if x_padding <= int(event.x) <= x_padding + column.width:
save_x = int(event.x - x_padding)
save_y = int(event.y)
return col_index, save_x, save_y
col_index += 1
x_padding += column.width
# 返回空数据.
if move_check:
return None, False
else:
return None, None, None
def __get_items_mouse_data(self, event, move_check=False):
offset_x, offset_y, viewport = get_offset_coordinate(self)
save_x, save_y = 0, 0
if self.__in_items_check(offset_y, event):
event_x = event.x # 获取鼠标x.
# 获取行号.
event_y_padding = int(event.y - self.__columns_padding_height)
row_index = event_y_padding / self.__items_padding_height
x_padding = 0
col_index = 0
# 获取行item,列的sub_items.
if not move_check:
for column in self.columns:
if x_padding <= int(event.x) <= x_padding + column.width:
save_x = int(event.x - x_padding)
save_y = int(event_y_padding - row_index * self.__items_padding_height)
break
x_padding += column.width
col_index += 1
# 判断是否在可显示的列内.
if (row_index < len(self.items)) and (col_index < len(self.items[row_index].sub_items)):
if move_check: # 判断是否移动items.
return row_index, True
else:
return row_index, col_index, save_x, save_y
else:
if move_check: # 判断是否移动items.
return row_index, True
else:
return row_index, None, save_x, save_y
else: # 鼠标点击不在区域内.
if move_check: # 判断是否移动items.
return None, False
else:
return None, None, None, None
def __get_start_end_index(self):
rect = self.allocation
offset_x, offset_y, viewport = get_offset_coordinate(self)
#
# 获取滚动窗口.
scroll_win = get_match_parent(self, "ScrolledWindow")
scroll_rect_h = rect.height
if scroll_win: # 如果没有滚动窗口,直接获取listview的高度.
scroll_rect_h = scroll_win.allocation.height
start_y = offset_y - self.__columns_padding_height
end_y = offset_y + viewport.allocation.height - self.__columns_padding_height
start_index = max(int(scroll_win.get_vadjustment().get_value() / self.__items_padding_height), 0)
end_index = (start_index + (scroll_rect_h - self.__columns_padding_height)/ self.__items_padding_height) + 1
return start_index, end_index
def on_queue_draw_area(self):
# 重绘区域.
if self.__expose_check:
scroll_win = get_match_parent(self, "ScrolledWindow")
offset_x, offset_y , viewport = get_offset_coordinate(self)
rect = self.allocation
if scroll_win:
rect = scroll_win.allocation
x = 0 + offset_x #rect.x + offset_x
y = 0 + offset_y #rect.y + offset_y
w = rect.width
h = rect.height
else:
x = rect.x + offset_x
y = rect.y + offset_y
w = rect.width
h = rect.height
self.queue_draw_area(x, y, w, h)
def __get_start_end_index(self):
rect = self.allocation
offset_x, offset_y, viewport = get_offset_coordinate(self)
#
# 获取滚动窗口.
scroll_win = get_match_parent(self, "ScrolledWindow")
scroll_rect_h = rect.height
if scroll_win: # 如果没有滚动窗口,直接获取listview的高度.
scroll_rect_h = scroll_win.allocation.height
start_y = offset_y - self.__columns_padding_height
end_y = offset_y + viewport.allocation.height - self.__columns_padding_height
start_index = max(
int(scroll_win.get_vadjustment().get_value() /
self.__items_padding_height), 0)
end_index = (start_index +
(scroll_rect_h - self.__columns_padding_height) /
self.__items_padding_height) + 1
return start_index, end_index
def __draw_view_details(self, cr, rect, widget):
#
offset_x, offset_y, viewport = get_offset_coordinate(widget)
#
e = ItemEventArgs()
save_rect = rect
e.cr = cr
e.rect = (rect.x, rect.y + offset_y + self.__columns_padding_height,
rect.width, rect.height)
e.drag_rect = self.__drag_rect
self.on_draw_item(e)
# 画标题头.
if self.__columns_show_check:
self.__draw_view_details_column(offset_y, cr, rect)
# 优化listview.
# 获取滚动窗口.
scroll_win = get_match_parent(self, "ScrolledWindow")
scroll_rect_h = rect.height
if scroll_win: # 如果没有滚动窗口,直接获取listview的高度.
scroll_rect_h = scroll_win.allocation.height
# dtk.ui.listview ===>>>
start_y = offset_y - self.__columns_padding_height
end_y = offset_y + viewport.allocation.height - self.__columns_padding_height
#start_index = max(start_y / self.__items_padding_height, 0)
start_index = max(
int(scroll_win.get_vadjustment().get_value() /
self.__items_padding_height), 0)
end_index = (start_index +
(scroll_rect_h - self.__columns_padding_height) /
self.__items_padding_height) + 2
#
# 剪切出绘制items的区域,防止绘制到标题头上.
cr.save()
cr.rectangle(rect.x + offset_x,
rect.y + offset_y + self.__columns_padding_height,
scroll_win.allocation.width, scroll_win.allocation.height)
cr.clip()
# 画 items.
self.__draw_view_details_items(start_index, end_index, cr, rect)
cr.restore()
#
# 画上面和下面的效果.
self.on_draw_item_fg(cr, rect)
def __draw_view_details(self, cr, rect, widget):
#
offset_x, offset_y, viewport = get_offset_coordinate(widget)
#
e = ItemEventArgs()
save_rect = rect
e.cr = cr
e.rect = (rect.x, rect.y + offset_y + self.__columns_padding_height, rect.width, rect.height)
e.drag_rect = self.__drag_rect
self.on_draw_item(e)
# 画标题头.
if self.__columns_show_check:
self.__draw_view_details_column(offset_y, cr, rect)
# 优化listview.
# 获取滚动窗口.
scroll_win = get_match_parent(self, "ScrolledWindow")
scroll_rect_h = rect.height
if scroll_win: # 如果没有滚动窗口,直接获取listview的高度.
scroll_rect_h = scroll_win.allocation.height
# dtk.ui.listview ===>>>
start_y = offset_y - self.__columns_padding_height
end_y = offset_y + viewport.allocation.height - self.__columns_padding_height
# start_index = max(start_y / self.__items_padding_height, 0)
start_index = max(int(scroll_win.get_vadjustment().get_value() / self.__items_padding_height), 0)
end_index = (start_index + (scroll_rect_h - self.__columns_padding_height) / self.__items_padding_height) + 2
#
# 剪切出绘制items的区域,防止绘制到标题头上.
cr.save()
cr.rectangle(
rect.x + offset_x,
rect.y + offset_y + self.__columns_padding_height,
scroll_win.allocation.width,
scroll_win.allocation.height,
)
cr.clip()
# 画 items.
self.__draw_view_details_items(start_index, end_index, cr, rect)
cr.restore()
#
# 画上面和下面的效果.
self.on_draw_item_fg(cr, rect)
def __get_items_mouse_data(self, event, move_check=False):
offset_x, offset_y, viewport = get_offset_coordinate(self)
save_x, save_y = 0, 0
if self.__in_items_check(offset_y, event):
event_x = event.x # 获取鼠标x.
# 获取行号.
event_y_padding = int(event.y - self.__columns_padding_height)
row_index = event_y_padding / self.__items_padding_height
x_padding = 0
col_index = 0
# 获取行item,列的sub_items.
if not move_check:
for column in self.columns:
if x_padding <= int(event.x) <= x_padding + column.width:
save_x = int(event.x - x_padding)
save_y = int(event_y_padding -
row_index * self.__items_padding_height)
break
x_padding += column.width
col_index += 1
# 判断是否在可显示的列内.
if ((row_index < len(self.items))
and (col_index < len(self.items[row_index].sub_items))):
if move_check: # 判断是否移动items.
return row_index, True
else:
return row_index, col_index, save_x, save_y
else:
if move_check: # 判断是否移动items.
return row_index, True
else:
return row_index, None, save_x, save_y
else: # 鼠标点击不在区域内.
if move_check: # 判断是否移动items.
return None, False
else:
return None, None, None, None
